Industrial Blower Fan Ventilation System

This article will discuss options for improving energy efficiency when designing an HVAC system and selecting a fan. HVAC design engineers face many choices throughout the planning process, perhaps few as crucial as that of fan equipment, a principal consumer of energy.

Industrial Blowers & Fans Flow Rates

Flow rates are predetermined based on space type and occupancy. Although local codes determine minimum requirements for HVAC systems, ASHRAE Handbook – HVAC Applications provides general design criteria for various commercial and public buildings. These criteria include air movement, room circulation, noise, and filter efficiency. Although all are important, room circulation, in air changes per hour, typically determines airflow requirements. Because flow rate is driven by design criteria, a design engineer’s primary means of reducing energy use is to minimize the static pressure needed to move air through a system.

Air Movement and Control Association (AMCA) International defines system pressure loss as “the sum of the static-pressure losses due to friction, shock, dissipation of velocity pressure at the system discharge, and the static-pressure differences between the entry and discharge openings of an air system. The static pressure a fan must overcome is dependent on many variables, only some of which the design engineer can control. The location of equipment often is determined by the architect and, therefore, limits the engineer’s options.

Blowers and Fans Duct Configuration

Duct configuration and fittings used to connect components are large contributors to static pressure. Other sources of system pressure loss are balancing and control dampers, variable-air-volume (VAV) boxes, diffusers, louvers, coils, filters, and other components in an air stream. Given that velocity pressure is proportional to the square of velocity, pressure loss in most of these components is proportional to velocity squared. This makes size an important factor, as cross-sectional area dictates fluid velocity. For example, reducing air velocity throughout a system by 10 percent would result in a 20-percent reduction in system static pressure. With air power proportional to pressure, this would equate to a 20-percent reduction in energy consumption.

In addition to accounting for all static-pressure loss in a system and achieving required room airflow, a design engineer must adhere to Section 6.5.3 of ANSI/ASHRAE/IESNA Standard 90.1, Energy Standard for Buildings Except Low-Rise Residential Buildings, which limits the power (horsepower) a fan can consume per cubic foot per minute of airflow the fan generates. With flow requirements defined, a design engineer must limit system static pressure to meet this power limitation.

System Effect and Industrial Fans and Blowers

A major contributor to energy consumption that often is ignored is system effect. AMCA International defines system effect as “a decrease in fan performance capability, observed as a pressure loss, which results from the effect of fan-inlet restrictions/obstructions, fan-outlet restrictions, or other conditions influencing the performance of the fan when it is installed in a system.”2 System effect is a reduction in a fan’s ability to generate pressure and can be looked at as an additional system pressure loss. It can lead to underperformance, excessive noise, and vibration in a fan and system.

System Effect and Fan Curves

System effect can be described by its impact on a fan curve. Fan curves are produced from laboratory testing, with fans configured for ideal installations. Testing is performed in accordance with ANSI/AMCA Standard 210-07/ANSI/ASHRAE Standard 51-2007, Laboratory Methods of Testing Fans for Certified Aerodynamic Performance Rating. A fan curve displays performance for a constant speed (revolutions per minute) in terms of static pressure vs. volumetric flow rate. In Figure 1, the intersection of the system-resistance curve and the pressure curve is the operating point of the fan. To move along the system curve to alter fan performance, one must increase or decrease fan speed accordingly. Operating power is where the power curve intersects with a vertical line running through the operating point.

Ideal Industrial Blower Fan Inlet & Outlet Conditions

The ideal inlet and outlet conditions under which fans are tested rarely are seen in the field. As a result, a fan will overperform or underperform in terms of flow rate, static pressure, or both. In Figure 2, a suitable fan was selected, but system effect was ignored. The blue lines represent how the fan would perform under AMCA International test conditions. Actual measured performance is indicated by the red dot. The red line shows how the fan would perform in an AMCA International air test when operating at design speed, but takes into account system effect. The only way to achieve the desired performance is to speed the fan to the rate designated by the green line. The consequence is a higher operating speed, higher brake horsepower, and higher sound levels.

Propeller Fan & Tube Axial Fan Selection

Another key to reducing power consumption is fan selection. Generally, propeller or tube-axial fans are more efficient for relatively low static pressures, while centrifugal-type fans are used for relatively high static pressures. Too often, fan selection is based solely on first cost. The consequence is that a relatively small-diameter, high-speed fan is used. A small fan operating at a high speed generally requires more operating power and produces more noise than a large fan operating at a low speed.

Most of the energy lost in a system is converted to heat. For example, mechanical and electrical energy losses in a fan motor raise the surface temperature of the motor. If the motor is in an air stream, the heat will be transferred directly to the air.

Belt Dive Propeller Fans and other Blower Fan Systems

In a belt-driven system, losses are the result of belt friction, slippage, and / or flexing. All such losses are converted to heat and, if the belt drive is in an air stream, increase the temperature of air. Fan losses quantified by fan efficiency contribute to air-temperature rise as well. As a fan works on a fluid, the friction attributed to the airflow decreases the fan’s efficiency and creates heat. As the efficiency of a system decreases, air-temperature rise increases. In a cooling application, this means increased energy consumption on the part of the compressor. Minimizing inefficiencies results in energy savings. It is the engineer’s responsibility to minimize total system pressure through proper design and layout. This involves balancing economics and efficiencies in specifying a fan. But not all responsibility resides with the engineer. The contractor must ensure appropriate equipment is installed and not base decisions solely on the lowest bid. The contractor needs to be aware of the consequences of poor installation and minimize system effects.

The losses accrued in a system directly affect the system’s power consumption while indirectly increasing the energy consumed by other processes. Energy losses in the form of heat equate to higher operating costs.

Because performance conditions are mandated by codes, proper system design, equipment selection, and installation are the most effective means of minimizing inefficiencies and saving energy.

Additional information can be found at the Northern Industrial company web site http://www.northernindustrialsupplycompany.com/products/air_handling_units.html

Oleg Cthetchel
Canadian Ventilation HVAC Engineer
Northern Industrial Co.
asap@buffalofan.com
http://www.northernindustrialsupplycompany.com/request.html
http://www.northernindustrialsupplycompany.com/outside/request2.html

Ventilation Systems Engineering

asap@buffalofan.com

northernindustrialsupply

northernindustrial

ventilation fan,ventilating fan,ventilation blower,ventilating blower,air supply fan,air supply ventilator,air supply blower

northernin

northernindustrial

nisco@primus.ca

***

Tags: Backward Inclined Blowers, Backward Inclined Direct Drive Blower, Belt Drive Blower, Belt Drive Propeller Fans, Blower Fan Suppliers, Centrifugal Blower Fan, Centrifugal Power Fixed Fan,Centrifugal Power Foil Fan, Direct Drive Blower, Forward Curve Belt Drive Blower, Forward Curve Blower, High Temperature Blower,Industrial Blower, Industrial Blower Manufacturer, Industrial Blower Suppliers, Industrial Centrifugal Blower, Industrial Fans and Blowers,Industrial Pressure Blower, Inline Centrifugal Fans, Large Industrial Fan, Plenum Fans, Plug Pak Fans, Propeller Fans, Radial Blade Belt Drive Blowers, Radial Blade Blower, Radial Blade Direct Drive Blowers, Belt Drive Fans, Belt Drive Industrial Fans, Belt Drive Industrial Blowers, Belt Drive Blower Fan, Industrial Large Fans, Industrial Blowers Centrifugal,Industrial Direct Drive Radial Blowers, Large Industrial Blowers, Blower High Temperature, Fans Plenum, Industrial Plenum Fans, Plenum Fan Suppliers, Plenum Fan Manufacturer, Belt Drive Fan Suppliers, Belt Drive Fan Manufacturer, Industrial Centrifugal Blower Supplier,Centrifugal Blower Fan Manufacturer, Propeller Fan Suppliers, Propeller Fan Manufacturer, Belt Drive Radial Blower Supplier, Direct Drive Blower Supplier, Belt Drive Blower Manufacturer,High Temperature Blower Suppliers, High Pressure Blower Supplier,Suppliers Centrifugal Fans,Manufacturers Centrifugal Fans, Centrifugal Industrial Power Fixed,Centrifugal Power Fixed,Centrifugal Power Foil,Industrial Centrifugal Power Fixed,Industrial Forward Curve Blower,Forward Curve Industrial Blower,Forward Curve Blower Supplier,Forward Curve Blower Manufacturer

Industrial Fans and Blowers vs Commercial Fans & Blowers

There is a difference between industrial and commercial grade fans construction. Industrial equipment is specifically designed and built to stand up to the rigors of an industrial application. The differences are concrete and easy to spot…if you know what to look for. Canada Blower designs and builds equipment strictly for industrial applications and has been doing it that way for over 100 years. Industrial fans and blowers are constructed of heavier duty materials and with higher quality components than their commercial counterparts. When properly applied, industrial equipment can withstand vibration, high and low temperatures, fumes and corrosive gases, materials in the airstream, and many other situations in an industrial environment. The equipment is built to provide longer service life, thus decreasing the need and frequency for replacements. Because industrial fans are expected to last longer, they are designed to be easy to install and maintain.

Industrial Blower Fan Features vs Commercial Blowers Fans

The best way to see the difference between an industrial product and a commercial product is to compare them feature for feature, including product weights. In the below example we’ll look at commercial panel fans versus Canada Blower industrial panel fans. The commercial grade panel fan has sheet metal, riveted blades, and a riveted hub. Canada Blower industrial panel fans have a solid, one-piece cast aluminum airfoil propeller or a cast aluminum adjustable pitch propeller. Lighter fans sometimes have balance weights clipped, bolted, or welded to the back of the fan blades, which can fly off during operation. Canada Blower cast aluminum propellers are precision ground and balanced, and therefore require no balance weights.

Industrial Fan Aerodynamic Design

Another difference between the commercial and industrial fan is in the aerodynamic design. Canada Blower originally developed the air seal venturi to improve performance. With this design, the propeller is larger in diameter than the venturi opening, thus creating an air seal. This design eliminates back flow of air pressure and increases air delivery by 10% or more. The way most other panel fans are designed, the propeller is smaller than the venturi opening. This type of fan is easier to manufacture, but significantly less efficient. The basket fan provides even less value because of the air that is lost around the sides of the fan. A Canada Blower venturi design fan pushes the air velocity from the blades out the front of the fan for increased spread and throw versus a commercial type fan.

Industrial Fans for Shipment

There are also installation differences to consider when purchasing a panel fan. Many commercial fans are shipped in parts. The motor and accessories may be shipped loose and must be assembled to the fan when received. In addition the commercial fan shown on the previous page has no provision for panel mounting or for accessory mounting. This means holes for bolts and mounting hardware must be drilled even before it can be completely assembled or installed. Canada Blower panel fans are shipped completely assembled and ready to install. A large selection of industrial fans are available from the stock program for quick shipment, including panel fan ventilators. You can be sure that Canada Blower equipment will provide many years of continuous service in your industrial air moving environment !

For additional information please refer to http://www.canadablower.com/index.html.

Susan Terlitski
Building Ventilation Specialist
Canada Blower Co.
http://www.canadablower.com/fans/index.html
http://www.canadablower.com/inquiry/index.html

Commercial vs. Industrial Fan

canadablower@canadablower.com

industrial process fan,industrial process blower,industrial process ventilator,commercial fan,commercial blower,commercial ventilator

canadablow

***

Industrial Blowers and Fans Ventilators and Industrial Ventilation

Energy recovery applications typically use two fans that provide air through a heat exchanger that “treats” the air by heating or cooling it before it enters the building. Canada Blower ’s plenum and forward curved fans are typically used for energy recovery applications and offer a wide range of performance and flexibility. Generator rooms require a wide range of fans to optimize the performance of generators and other equipment. Exhaust fans are used to prevent heat buildup within the generator room, while supply fans are used to provide fresh air for combustion and efficient generator performance. Room size, space limitations, and mounting capabilities will determine the exact type of fan needed for each specific application. As a leading manufacturer of air moving equipment, Canada Blower offers numerous fan types for meeting any generator room specification.

Industrial Pressure Blowers

Elevator shafts require proper air moving equipment to provide smoke control in the event of a fire. Pressurization is used to prevent smoke from migrating through elevator shafts to other floors, similar to how fans are used to control smoke in stairwells. Today’s elevator pressurization systems are designed to allow elevators to be used by firefighting teams. However, some systems are designed for the evacuation of handicapped individuals. While small amounts of smoke in an elevator may be tolerated by firefighters, smoke in an elevator and its entry and exit paths is unacceptable. Canada Blower ’s complete offering of smoke and heat exhaust fans are relied upon for elevator shaft exhaust/pressurization in emergency situations. Jet bridges are hallways used by passengers to board commercial airplanes. While these bridges are portable and movable, their continuous use requires an exhaust fan or gravity ventilator to prevent air from becoming stagnant. Fans and ventilators draw air into the bridge from the terminal and through the exit which is then exhausted through a fan or ventilator. Canada Blower provides a number of centrifugal roof exhausters and gravity relief ventilators for jet bridge exhaust applications.

Industrial Blowers for Ventilation

Enclosed or underground parking garages require ventilation to remove harmful vehicle emissions and other pollutants, while providing fresh air. Ventilation is also a requirement in the event of a fire to remove smoke and to provide a clear access for firefighters. Exhaust and supply fans are used in conjunction with ductwork to distribute air throughout the parking garage, providing a common system for both pollution and smoke control. Twin City Fan manufactures a complete line of axial flow fans designed for parking garage ventilation systems. Restroom exhaust fans are primarily used to reduce moisture and prevent mold buildup. As restrooms typically occupy a small space, restroom exhaust fans are considered low volume and generally provide 2 to 5 air exchanges per minute. These fans are mounted on the roof or in-line with the system’s ductwork. Canada Blower offers a full line of centrifugal roof & wall exhausters, inline centrifugal fans, and ceiling & cabinet ventilators to accommodate all restroom requirements and exhaust applications.

Industrial Inline Exhaust Fans

Rooftop exhaust fans are designed to remove heat and odors from buildings to improve air quality and occupant comfort. Areas such as cafeterias, locker rooms, office spaces, restrooms and warehouses often have unique requirements specified by local codes and utilize a wide range of rooftop exhaust fans. To accommodate these various types of environments and ventilation systems, Canada Blower Fan offers a complete line of products to support every rooftop exhaust application. These applications can range from clean airstreams with minimal filtration all way to high density offices and health care facilities that must comply with extremely stringent regulations. Gravity ventilators are used to equalize a building’s positive or negative pressure created by other fans in the system. These ventilators provide natural ventilation and are used for intake and relief applications. Canada Blower Fan offers both spun aluminum and hooded ventilators, featuring a low silhouette for low roof-lines. Louvered penthouse ventilators are available when aesthetics are not an important factor and feature extruded aluminum louvers. Sidewall exhaust and supply applications require panel fans to move large volumes of air at low static pressures. Panel fans are commonly used on the walls of warehouses and manufacturing facilities to supply outside air or to remove hot or noxious gases in exhaust configurations. Other typical applications include removing carbon dioxide from produce storage facilities, greenhouse ventilation, and parking garages. Panel fans can be mounted directly to the wall panel, which is especially useful when ductwork is unnecessary. Each fan can be customized to the individual needs of the customer, including aluminum or stainless steel construction, explosion proof motors, gravity or motorized dampers, corrosion resistant coatings, and fully reversible propellers.

Industrial Fans

Indoor swimming pools require air moving equipment for exhausting moisture-laden, corrosive and chlorinated air. Fans and duct systems must be designed to withstand these elements. That is why Canada Blower offers a wide selection of fans and construction materials, including fiberglass, alloys, and specialty coatings to prevent the potential corrosion associated with these environments.

Industrial Ventilator Blowers & Fans

Ventilation is a crucial component for any mining operation. Inadequate ventilation can expose miners to high levels of dangerous gases, dust particulates, and excessive heat. The consequences of prolonged exposure to these elements can pose a series of health related complications. We understand the significance of selecting the right ventilation equipment for maximizing the air quality in mines, which is why Buffalo Blower offers a comprehensive line of products suited for the most rigorous mining ventilation applications. We also offer many special design features such as non sparking units, explosion proof motors and specialty guards. Stairwells are frequently the primary escape route in the event of a fire emergency and may also serve as the primary access route for firefighting teams. In these smoke control zones, fans are used to pressurize stairwells to limit smoke infiltration by maintaining positive pressure across closed stairwell doors. Fans used for stairwell pressurization are designed to operate at low enough pressures so that doors can be safely opened during evacuation. Because occupant safety is the most important aspect when facing a fire emergency, Buffalo Blower offers a complete line of smoke and heat exhaust fans designed for stairwell pressurization.

Industrial Pressure Blower Fans

Service stations require vehicle exhaust systems to maintain indoor air quality for customers and employees. These systems attach to a vehicle’s exhaust pipe to draw hazardous emissions out of the building. The fans used in these systems are attached to small hose and must be capable of producing high pressures due to the air velocity required to exhaust the fumes. Buffalo Blower offers a wide selection of compact pressure blowers and radial bladed fans capable of meeting the high pressures requirements of vehicle exhaust systems.

For additional information please refer to http://www.canadablower.com/index.html

Susan Terlitski
Building Ventilation Specialist
Canada Blower Co.
canadablower@canadablower.com
http://www.canadablower.com/fans/index.html
http://www.canadablower.com/inquiry/index.html

Commercial Building Ventilating

canadablower@canadablower.com

ventilation,ventilating,industrial,building,warehouse,fan,ventilator,blower,roof,wall,exhaust,supply

buffaloblowercom

buffaloblower

***

Large Industrial Fans & Extractor Fans

Large Industrial Fans

Today there are a wide range of commercial extractor fans available on the market to cover just about every application imaginable; from large commercial applications, such as restaurant kitchen extractor systems, to quiet airflow systems that are virtually silent in operation.

Axial Fans

While a commercial kitchen extraction system, commonly made in stainless steel can cost several thousand pounds to buy and install, a large vent-axia through wall extractor fan may be fine for a small hot food business such as a shop making toasted bacon sandwiches.

High Pressure Blower

The new quiet airflow extraction systems are proving popular as they have a high airflow, yet can barely be heard running. This helps keep environmental noise down, and this is often important in an office workplace.

Industrial Inline Fans

Commercial in-line fans are available that sit above the ceiling, often some distance from the room they are actually extracting the air from. They are connected to vents in the ceiling by ducting, which then connects to the inline fan, and then expels the air through more ducting to a grill in an outside wall.

This type of fan has to be used in certain “classes” of environment by law, whereby no electrically powered unit can be placed within a certain distance of damp areas, such as shower rooms as an example.

Industrial Blower Fans Buying

When buying a commercial extractor fan, you will have to take more into consideration than when purchasing a domestic extractor fan. The reason for this is that whilst a domestic fan may be cheap to buy and install, and can be replaced at a low cost if it breaks, the same cannot be said of a commercial extraction system.

Large Industrial Blower Fans Supplier

Most large commercial extractor fan installations will cost several thousand to buy, and will need professional installation. So given the investment you may make in one, you need to be buying with a reputable supplier, as you may be installing it in an environment where you may have to stop work if the extractor fan system breaks down, such as in a commercial kitchen.

If this happens, you need to know that someone can come out and fix your extractor fan very fast, as if you have to close your kitchen down, you will be losing money until it is fixed. So you need to do some research about the company you are buying your fan from, and ensure that they can provide a fast call out, and that they carry sufficient spare parts.

Additional information can be found at the Industrial High Pressure Blower Company web site http://www.highpressureblower.net/OEMFans.html

Alex Todorovo
Industrial Mechanical Process Engineer
High Pressure Blower Co.
alex.todorov@canadablower.com
http://www.highpressureblower.net/canadianbloweraxial.html
http://www.highpressureblower.net/MakeUpAirFans.html

Commercial Fan

fan blower ventilator high temperature pressure industrial super transfer air gas positive negative heavy duty capacity process

alex.todorov@canadablower.com

fan,blower,ventilator,high,temperature,pressure,industrial,super,transfer,air,gas,positive,negative,heavy,duty,capacity,process

***

Tags: Backward Inclined Blowers, Backward Inclined Direct Drive Blower, Belt Drive Blower, Belt Drive Propeller Fans, Blower Fan Suppliers, Centrifugal Blower Fan, Centrifugal Power Fixed Fan,Centrifugal Power Foil Fan, Direct Drive Blower, Forward Curve Belt Drive Blower, Forward Curve Blower, High Temperature Blower,Industrial Blower, Industrial Blower Manufacturer, Industrial Blower Suppliers, Industrial Centrifugal Blower, Industrial Fans and Blowers,Industrial Pressure Blower, Inline Centrifugal Fans, Large Industrial Fan, Plenum Fans, Plug Pak Fans, Propeller Fans, Radial Blade Belt Drive Blowers, Radial Blade Blower, Radial Blade Direct Drive Blowers, Belt Drive Fans, Belt Drive Industrial Fans, Belt Drive Industrial Blowers, Belt Drive Blower Fan, Industrial Large Fans, Industrial Blowers Centrifugal,Industrial Direct Drive Radial Blowers, Large Industrial Blowers, Blower High Temperature, Fans Plenum, Industrial Plenum Fans, Plenum Fan Suppliers, Plenum Fan Manufacturer, Belt Drive Fan Suppliers, Belt Drive Fan Manufacturer, Industrial Centrifugal Blower Supplier,Centrifugal Blower Fan Manufacturer, Propeller Fan Suppliers, Propeller Fan Manufacturer, Belt Drive Radial Blower Supplier, Direct Drive Blower Supplier, Belt Drive Blower Manufacturer,High Temperature Blower Suppliers, High Pressure Blower Supplier,Suppliers Centrifugal Fans,Manufacturers Centrifugal Fans, Centrifugal Industrial Power Fixed,Centrifugal Power Fixed,Centrifugal Power Foil,Industrial Centrifugal Power Fixed, Industrial Forward Curve Blower,Forward Curve Industrial Blower, Forward Curve Blower Supplier,Forward Curve Blower Manufacturer

Industrial Blowers, Inline Exhaust fans and Propeller Fans for Aeration

Industrial aeration involves moving air through either a solid or fluid medium bed and is used for various purposes. Depending on specific material being aerated, our fans are utilized for moisture control in applications such as grain bin storage, and also provide oxygen and control moisture/temperature in composting applications. Due to varying environmental conditions, fans used in aeration systems often require special construction such as fiberglass, alloys and specialty coatings. The control and containment of air containing a biological hazard is crucial for maintaining a safe environment. An air handling system designed to move such material must be designed to ensure contaminated air does not escape. This can be accomplished with an induced draft fan that will maintain a negative pressure, so that any leaks in a system draw outside atmosphere in, as opposed to allowing the contaminated air out. Biomass and Incineration are two new methods of generating power that utilize renewable biological fuels and refuse as their main fuel source. The process of converting these fuels into an energy source requires the use of specialized boiler system. Issues such as dust loading and corrosion can become major concerns if your system does not utilize the proper fan for exhausting particulate and gas emissions. That is why selecting the right fan is crucial for optimizing the performance and longevity of your overall system. We offer a wide range of underfire combustion air fans, overfire air fans and induced draft fans needed to stand up to the harsh operating environments.

Large Industrial Fans

In the textile industry, humidity of the air is crucial for air quality and fabric production. The fibrous material manufactured in plants needs to maintain a specific humidity and temperature to be processed effectively. Textile manufacturers use air washers to cool, humidify, dehumidify and clean the air to prevent damage during production. Drum filters are typically used in the nonwoven industry for manufacturing products such as diapers, sanitary napkins, and surgical pads. Drum filters have become the standard in the nonwoven industry and are known for their efficiency and compact designs with relatively large air flows. Twin City Fan is a leading supplier of the main system fans located on the clean side of the process. Buffalo Blower fans are often selected for this particular application because of their ability to cover a wide performance range and various operating conditions. Forming fans play an integral role for forming products in the nonwoven industry, such as diapers. These fans create the negative pressure in the forming chamber, giving the product its shape. We typically provide our model RBW radial bladed fan with a backplate for this application. The RBW is capable of producing high static pressures at medium to low airflows.

Industrial Blower Manufacturer

Air washers balance the required humidity of the plant air by humidifying the air during the dry seasons and dehumidifying the air when conditions are more humid. This is accomplished by using re-circulated heated or chilled water that is sprayed into the air. Buffalo Blower fans are used to draw air through these air washer systems and typically provide adjustable pitch axial fans in the range of 2.5″ to 4″ static pressure. Regardless of the size of your operation and system requirements, Buffalo Blower is capable of manufacturing virtually any size fan or blower to meet your exact specifications. Air strippers are used on drum filters for removing material build up on the filter. The vacuum nozzles on the filter remove the fiber/particulate which are then disposed of or used for reclaiming the material. The fans used in this particular application require higher pressure at a relatively low airflow along with a radial blade design for handling the material. Because of these factors Buffalo Blower model ORB incorporates radial blades with a backplate to prevent long stingy material from collecting around the shaft.

High Temperature Blowers

Flue gas recirculation is a highly effective technique used for lowering Nitrogen Oxide (NOx) emissions from burners. This is particularly crucial, as NOx is a significant pervasive pollutant that produces a negative array of health and environmental by-products. NOx emission levels can be greatly reduced in industrial boilers by reticulating used flue gases back into the system. This process lowers the peak combustion temperature and drops the percentage of oxygen in the combustion air/flue gas mixture, delaying the formation of NOx caused by high flame temperatures. TCF offers a wide range of centrifugal blowers specifically designed to be used with FGR systems.

Industrial Pressure Blowers

Forced Draft fans purpose is to provide a positive pressure to a system. This basic concept is used in a wide variety of industries but the term FD Fans is most often found in the boiler industry. Fans for boilers force ambient air into the boiler, typically through a preheater to increase overall boiler efficiency. Inlet or outlet dampers are used to control and maintain the system pressure. Typical fan arrangements are 3SI or 3DI which utilize a wheel center hung on the shaft with integral inlet boxes.

For additional information please refer to http://www.canadablower.com

Susan Terlitski
HVAC Design Engineer
Canada Blower Co.
http://www.canadablower.com/ahu/index.html
http://canadablower.com/hvac/index.html

Air Handling Blower

canadablower@canadablower.com

fan,blower,ventilator,air handling,air,industrial,centrifugal,axial,vaneaxial,tubeaxial

buffalo blower Fans

***

Tags: Backward Inclined Blowers, Backward Inclined Direct Drive Blower, Belt Drive Blower, Belt Drive Propeller Fans, Blower Fan Suppliers, Centrifugal Blower Fan, Centrifugal Power Fixed Fan,Centrifugal Power Foil Fan, Direct Drive Blower, Forward Curve Belt Drive Blower, Forward Curve Blower, High Temperature Blower,Industrial Blower, Industrial Blower Manufacturer, Industrial Blower Suppliers, Industrial Centrifugal Blower, Industrial Fans and Blowers,Industrial Pressure Blower, Inline Centrifugal Fans, Large Industrial Fan, Plenum Fans, Plug Pak Fans, Propeller Fans, Radial Blade Belt Drive Blowers, Radial Blade Blower, Radial Blade Direct Drive Blowers, Belt Drive Fans, Belt Drive Industrial Fans, Belt Drive Industrial Blowers, Belt Drive Blower Fan, Industrial Large Fans, Industrial Blowers Centrifugal,Industrial Direct Drive Radial Blowers, Large Industrial Blowers, Blower High Temperature, Fans Plenum, Industrial Plenum Fans, Plenum Fan Suppliers, Plenum Fan Manufacturer, Belt Drive Fan Suppliers, Belt Drive Fan Manufacturer, Industrial Centrifugal Blower Supplier,Centrifugal Blower Fan Manufacturer, Propeller Fan Suppliers, Propeller Fan Manufacturer, Belt Drive Radial Blower Supplier, Direct Drive Blower Supplier, Belt Drive Blower Manufacturer,High Temperature Blower Suppliers, High Pressure Blower Supplier,Suppliers Centrifugal Fans,Manufacturers Centrifugal Fans, Centrifugal Industrial Power Fixed,Centrifugal Power Fixed,Centrifugal Power Foil,Industrial Centrifugal Power Fixed, Industrial Forward Curve Blower,Forward Curve Industrial Blower, Forward Curve Blower Supplier,Forward Curve Blower Manufacturer

Industrial Blowers, Propeller Fans & Blower Fans

Industrial electric fans clearly do not use as much electricity as an air conditioner, circulating air and cooling it at a fast rate for a large space. With high-powered, energy-efficient motors, the larger motor of an industrial fan is actually guaranteed to save energy costs.

Industrial Blowers and Fans for Cooling

Air conditioning can often become too large of an expense for industrial areas, but the good news is that an industrial fan can bring some much needed relief in this case. Industrial electric fans can be quite helpful for places where heat stratification, dampness, and stagnant air become frequent problems. Also, for high static pressure an industrial fan is what you need. Also known as an industrial electric blower, these units replace air as well by blowing out the old and stagnant air for a wide area that otherwise would collect this air without replenishing it in entirety.

Industrial Blowers and Radial Blower Fans for Ventilation

Industrial warehouses, especially profit from these large units because the fans can support a higher CFM rating without the vibrations of a smaller fan. Most electric industrial fans have blades of a higher more durable construction, usually consisting of some kind of metal. This allows the blades to move more air at one time without all the force being applied to the fan and making the motor work harder.

Industrial Blowers & Fans Types

Industrial fans include several types such as duct fans, roof and ceiling ventilators, wall mounted fans, pressure blowers, and freestanding units with different mounting options. For extreme conditions and plants, drum fans can be used to move even larger amounts of air. These types of fans come with wheels attached and can be rolled to the area that circulation is needed the most. Some manufacturers even sell just the fan heads for a more freedom and a reduced assembly and cost on the company.

Versatility of Industrial Blowers and Fans

Powerful motors for reducing excessive noise are used in industrial fans. The motor will not be working at its top speed to produce the necessary airflow, therefore it will be quieter. Industrial electric fans are also very versatile; there are floor fans, wall mounted fans, and pedestal fans that all come in industrial grades. If you plan on a very large space, a pivoting fan is a good choice as you can manipulate the direction of the air and direct it to where it is needed most. Some even come with stands to make these larger fans easy to roll from place to place.

Industrial Fans & Blowers Efficiency

These motors are designed to change a large amount of electrical energy into useful fan work. Often as electric industrial fans are in operation for an entire day period, opposed to a home fan which is turned on only when people are home, or in a specific room, the industrial fan needs to be energy efficient for this extra use. These motors can handle more heat than a normal motor meaning less heat waste is produced. If you think you need an industrial fan for your business area, chances are that you do! Make the choice today for comfort and health and consider an industrial fan purchase.

Additional information can be found at the Northern Industrial web site http://www.northernindustrialsupplycompany.com/products/heat_exchangers.html

Oleg Cthetchel
Canadian Air Systems Engineer
Northern Industrial Co.
http://northernindustrialsupplycompany.com/products/industrialfan_blowers.html
http://northernindustrialsupplycompany.com/products/ventilators.html

Industrial Fan for Process Ventilation

ventilator fan blower PRV propeller industrial building ventilation ventilating cooling high volume air circulation circulating wall roof exhaust supply circulator recirculator mobile exhauster

fan@cogeco.ca

nisco@primus.ca

http://www.nisco.net/tchetchel.gif

ventilator,fan,blower,PRV,propeller,industrial,building,ventilation,ventilating,cooling,high,volume,air,circulation,circulating,wall,roof,exhaust,supply,circulator,recirculator,mobile,exhauster

***

Tags: Backward Inclined Blowers, Backward Inclined Direct Drive Blower, Belt Drive Blower, Belt Drive Propeller Fans, Blower Fan Suppliers, Centrifugal Blower Fan, Centrifugal Power Fixed Fan,Centrifugal Power Foil Fan, Direct Drive Blower, Forward Curve Belt Drive Blower, Forward Curve Blower, High Temperature Blower,Industrial Blower, Industrial Blower Manufacturer, Industrial Blower Suppliers, Industrial Centrifugal Blower, Industrial Fans and Blowers,Industrial Pressure Blower, Inline Centrifugal Fans, Large Industrial Fan, Plenum Fans, Plug Pak Fans, Propeller Fans, Radial Blade Belt Drive Blowers, Radial Blade Blower, Radial Blade Direct Drive Blowers, Belt Drive Fans, Belt Drive Industrial Fans, Belt Drive Industrial Blowers, Belt Drive Blower Fan, Industrial Large Fans, Industrial Blowers Centrifugal,Industrial Direct Drive Radial Blowers, Large Industrial Blowers, Blower High Temperature, Fans Plenum, Industrial Plenum Fans, Plenum Fan Suppliers, Plenum Fan Manufacturer, Belt Drive Fan Suppliers, Belt Drive Fan Manufacturer, Industrial Centrifugal Blower Supplier,Centrifugal Blower Fan Manufacturer, Propeller Fan Suppliers, Propeller Fan Manufacturer, Belt Drive Radial Blower Supplier, Direct Drive Blower Supplier, Belt Drive Blower Manufacturer,High Temperature Blower Suppliers, High Pressure Blower Supplier,Suppliers Centrifugal Fans,Manufacturers Centrifugal Fans, Centrifugal Industrial Power Fixed,Centrifugal Power Fixed,Centrifugal Power Foil,Industrial Centrifugal Power Fixed, Industrial Forward Curve Blower,Forward Curve Industrial Blower, Forward Curve Blower Supplier,Forward Curve Blower Manufacturer

Industrial Centrifugal Blowers & Centrifugal Inline Exhaust Fans

Canada Blower offers a complete line of centrifugal fan equipment, from small Baby Vent Sets capable of moving a few cubic feet per minute (CFM), to large, heavy-duty industrial mechanical draft fans with capacities to 1,000,000 CFM and with static pressures from 0″ Water Gauge (WG) to 150″ WG.

Centrifugal Fans & Blowers

Centrifugal ventilator has a number of blades mounted around the hub, which turns on a shaft that passes through the housing.

Blower Fan Suppliers

Canada Blower is a leading supplier of industrial and commercial fans, ventilators, blowers and accessories for various air-moving applications.

Industrial Blower Manufacturer

Canada Blower products include standard centrifugal fan and customized blowers designed to meet our customers’ requirements based on Canada Blower manufacturing standard.

Centrifugal Fans and Industrial Blowers

A centrifugal blower is a fan designed to move air or gases in a confined area. The centrifugal blower has a number of blades mounted around the hub, which turns on a shaft that passes through the housing. The gas enters the side of the fan wheel and by use of centrifugal force(hence the name) accelerates over the fan blades. A centrifugal blower is usually used in factories or large open places that need air flow.

Industrial Centrifugal Fans Applications

Over the years Canada Blower supplied centrifugal fans to a wide range of industries and applications including: combustion air supply, material handling, process ventilation, ovens and dryers, iron and steel industry, mine and tunnel ventilation, petro-chemical, power generation, marine and off-shore structures, pulp and paper, HVAC, paint/spray booths, fertilizer and various emission control applications. For the commercial HVAC market, Canada Blower offers general ventilation fans for institutional and retail buildings, schools, restaurants and hospitals. Special materials, construction, explosion-proof and spark-resistant design, variety of coatings and accessories are available to meet practically any application needs.

Industrial Blowers and Fans Services

Canada Blower fan repair, retrofit and service shop provides complete rebuilds, shaft repairs, blade liners, in-field balancing, vibration analyses, performance upgrade, increased fan capacity, all metallurgies, all type of fans repair, and emergency service on all sizes and designs.

Industrial Blower Fans

Canada Blower air moving products are best know for “industrial quality” assuring reliable performance, relentless dependability and longevity. A staff of specially trained engineers will design a dependable fan that exactly fits customers’ dimensional and performance requirements.

Canada Blower fans and lowers are sold and serviced by air moving experts that can evaluate your needs and provide best recommendations for your application.

Additional information can be found at the Canada Blower company web site http://canadablower.com/hvac/index.html.

Susan Terlitski
Air handling Systems Designer
Canada Blower
canadablower@canadablower.com
http://canadablower.com/news/index.html
http://canadablower.com/oem/index.html

Centrifugal Fan by Canada Blower

canadablower@canadablower.com

Chicago,blower,fan,ventilator,New York,TCF,Twin City,industrial,centrifugal,radialpressure blower

chicagoblower

fan@cogeco

***

Tags: Backward Inclined Blowers, Backward Inclined Direct Drive Blower, Belt Drive Blower, Belt Drive Propeller Fans, Blower Fan Suppliers, Centrifugal Blower Fan, Centrifugal Power Fixed Fan,Centrifugal Power Foil Fan, Direct Drive Blower, Forward Curve Belt Drive Blower, Forward Curve Blower, High Temperature Blower,Industrial Blower, Industrial Blower Manufacturer, Industrial Blower Suppliers, Industrial Centrifugal Blower, Industrial Fans and Blowers,Industrial Pressure Blower, Inline Centrifugal Fans, Large Industrial Fan, Plenum Fans, Plug Pak Fans, Propeller Fans, Radial Blade Belt Drive Blowers, Radial Blade Blower, Radial Blade Direct Drive Blowers, Belt Drive Fans, Belt Drive Industrial Fans, Belt Drive Industrial Blowers, Belt Drive Blower Fan, Industrial Large Fans, Industrial Blowers Centrifugal,Industrial Direct Drive Radial Blowers, Large Industrial Blowers, Blower High Temperature, Fans Plenum, Industrial Plenum Fans, Plenum Fan Suppliers, Plenum Fan Manufacturer, Belt Drive Fan Suppliers, Belt Drive Fan Manufacturer, Industrial Centrifugal Blower Supplier,Centrifugal Blower Fan Manufacturer, Propeller Fan Suppliers, Propeller Fan Manufacturer, Belt Drive Radial Blower Supplier, Direct Drive Blower Supplier, Belt Drive Blower Manufacturer,High Temperature Blower Suppliers, High Pressure Blower Supplier,Suppliers Centrifugal Fans,Manufacturers Centrifugal Fans, Centrifugal Industrial Power Fixed,Centrifugal Power Fixed,Centrifugal Power Foil,Industrial Centrifugal Power Fixed, Industrial Forward Curve Blower,Forward Curve Industrial Blower, Forward Curve Blower Supplier,Forward Curve Blower Manufacturer

Industrial Fans and Blowers & Large Industrial Fans

Industrial Fans and Blowers

Various industries install Ventilation Fans in their manufacturing units and factories. These Ventilation Fans are mainly used to provide a healthier breathing environment for the workers over there as well to accomplish various activities. For many areas requiring removal of fumes, smoke, dust and various impurities that can make the work environment hazardous, Industrial ventilation fans, dust, and fume extraction systems prove to be very useful.

Large Industrial Fans Uses

Some Of The Industries That Heavily Require Ventilation Are:

•Pharmaceutical Industry
•Biological Industry
•Chemical Industry
•Mining Sector
•Physical Research Industry
•Processing units

The Various Applications Where Industrial Fans & Blower Ventilation Are Used:

•The Ventilation Fans are extensively used in various activities such as, fabricating, manufacturing, mining, etc. These Ventilation Fans are used for the removal of dust, fume, and smoke particles from the atmosphere and to make it free from suffocation. Some of the manufacturing units where the Ventilation Fans are used for the mass extraction of fumes and dust particles are, Textile Mills, Steel Mills, Wood product Mills, Ceramics and Aerospace material units. These units install huge turbines and impellers to move the extremely large volume of air.

•Crude Oil and Petrochemical Refineries have to deal with fuels and solvents which are extremely toxic, flammable, and unpredictable. Here, Ventilation Fans are required for the functioning of sophisticated Air Entrainment systems.

•The Mining and Quarrying industries are always immensely reliant on the Ventilation Fans. The Coal dust in these mines can be very explosive if it somehow catches fire. This risk is reduced by the dust removal, which is done by the Ventilation Fans. Very powerful blowers and bulky turbines are implemented to ventilate the mines and quarries.

•The workers in Biological, Chemical, and Pharmaceutical industries have to struggle with biological, chemical, and various other physical risks. In such environment, Ventilations Fans come to their rescue.

Industrial Fans & Blowers

Industrial Fans will always act like the tough weapons to fight against the toxic and hazardous work area of every small and large industry. The various forms of Ventilation are performed by Air Fume collection system, Robotic welding hoods, Dust collection units, Air Filters, Chemical Scrubbers, Fume containment systems, etc. Ventilation Fans Manufacturers and Suppliers nowadays offer very efficient models for individual needs of industries. Any industrial buyer just has to go online and contact the Industrial Ventilation System Manufacturer in India who can meet the needs exactly and get installation assistance as well.

For additional information please refer to http://industrialblowerfan.com

Susanna Terlitskaia
Industrial Ventilating Engineer
Industrial Blower Fans Company
nis@primus.ca
http://www.industrialblowerfan.com/blower-fans.html
http://www.industrialblowerfan.com/scrubbers-dust-collectors.html

Large Industrial Fans for Ventilation

fan blower ventilator high temperature pressure gas-tight air-tight zero emission industrial sulfur recovery heavy duty capacity process chemical steam jacket jacketed double wall housing shaft seal mechanical

nis@primus.ca

industrialblowe

fan,blower,ventilator,high,temperature,pressure,thermo,IGE,alloy,engineering,industrial,gas,garden,city,circulating,circulation,oven,exhaust,plug,air,kit,centrifugal,axial

***

Tags: Backward Inclined Blowers, Backward Inclined Direct Drive Blower, Belt Drive Blower, Belt Drive Propeller Fans, Blower Fan Suppliers, Centrifugal Blower Fan, Centrifugal Power Fixed Fan,Centrifugal Power Foil Fan, Direct Drive Blower, Forward Curve Belt Drive Blower, Forward Curve Blower, High Temperature Blower,Industrial Blower, Industrial Blower Manufacturer, Industrial Blower Suppliers, Industrial Centrifugal Blower, Industrial Fans and Blowers,Industrial Pressure Blower, Inline Centrifugal Fans, Large Industrial Fan, Plenum Fans, Plug Pak Fans, Propeller Fans, Radial Blade Belt Drive Blowers, Radial Blade Blower, Radial Blade Direct Drive Blowers, Belt Drive Fans, Belt Drive Industrial Fans, Belt Drive Industrial Blowers, Belt Drive Blower Fan, Industrial Large Fans, Industrial Blowers Centrifugal,Industrial Direct Drive Radial Blowers, Large Industrial Blowers, Blower High Temperature, Fans Plenum, Industrial Plenum Fans, Plenum Fan Suppliers, Plenum Fan Manufacturer, Belt Drive Fan Suppliers, Belt Drive Fan Manufacturer, Industrial Centrifugal Blower Supplier,Centrifugal Blower Fan Manufacturer, Propeller Fan Suppliers, Propeller Fan Manufacturer, Belt Drive Radial Blower Supplier, Direct Drive Blower Supplier, Belt Drive Blower Manufacturer,High Temperature Blower Suppliers, High Pressure Blower Supplier,Suppliers Centrifugal Fans,Manufacturers Centrifugal Fans, Centrifugal Industrial Power Fixed,Centrifugal Power Fixed,Centrifugal Power Foil,Industrial Centrifugal Power Fixed, Industrial Forward Curve Blower,Forward Curve Industrial Blower, Forward Curve Blower Supplier,Forward Curve Blower Manufacturer

Industrial Pressure Blowers

Applications for Pressure Blowers include: combustion, air, fluid bed aeration, cooling, drying and many process system applications. It is also commonly used in pneumatic conveying systems.

Industrial Pressure Blowers & Radial Blade Blowers

It is also commonly used in pneumatic conveying systems. Industrial pressure blowers and high pressure radial fans are supplied in cast aluminum, cast iron, or all-welded construction to prevent flexing at high pressure. Available in direct drive arrangements 4 / 4V / 4H / 7 / 8 and belt drive arrangements 1 / 9 S / 9T / 9H. Capacities: to 10,000 CFM. Single stage pressure blowers develop up to 4 psi static pressure. Two stage pressure blowers and multistage pressure blowers are for higher pressure.

Single Stage Pressure Blowers

An extremely wide performance range is provided by 70 wheel /housing combinations. The High Pressure Blower is available in four arrangements and eight discharge positions to suit most every application. In addition to direct drive, the pressure blower is also available in belt drive.

High Pressure Blowers Operating Range

Operating Range of Design High Pressure Blowers can be summarized as:

Maximum CFM: 18,000
Maximum Static Pressure: 91″ wg
Maximum Temperature: 200°
Fan Sizes: 4″ to 14″

Industrial Pressure Blowers – Aluminum

DESIGN CAST ALUMINUM PRESSURE BLOWERS

Northern Fan Design aluminum pressure blowers utilize high-strength alloys to create strong, corrosion-free housings and wheels ideal for adverse industrial environments. Aluminum also stands up to sub-zero ambients without material deterioration. Since aluminum is non-magnetic and non-toxic, Buffalo’s pressure blowers are recommended for both electronic and food related applications. The non-sparking properties qualify Buffalo’s pressure blowers for AMCA Type B spark resistant rating.

Operating Range of Design Cat Aluminum Pressure Blowers is:

Maximum CFM: 4,000
Maximum Static Pressure: 20″ wg
Maximum Temperature: 200°
Fan Sizes: 8″ to 18-1/2″

Radial Blade Blowers – High Pressure

PA HIGH PRESSURE RADIAL FANS

To meet specific applications, Northern Fan Co. PB radial fans can be built with stainless steel or alloy construction. Split housings facilitate wheel removal without disturbing connecting ductwork. Integral inlet boxes, pre-spin inlet dampers and opposed-blade outlet dampers all control air flow. Belt guards and shaft coolers are also common options, in addition to the various housing and wheel liners. The Northern Fan engineers are eager to design and build the pressure fan that meets your exact requirements.

Radial Blade Blowers – High Pressure. Applications

Application for HPB High Pressure Radial Fans are:

Northern Fan Co. Pressure Air Fans are at work in as many diverse applications as they are in locations throughout the world. Clean air applications include combustion air, air drying primary air ejectors, and product cooling. This fan can handle pneumatic conveying systems. The HPB fan is ideal for corrosive exhaust, air pollution systems and chemical processing. By adding ceramic tile or chromium carbide wheel and housing liners, Northern Fan Co.’s PA fans easily handle abrasive materials. In particular, fans with ceramic tile liners are extremely effective in pulverized coal applications, handling up to 250 grains per cubic feet of air. For corrosive gases, a stainless steel wheel and housing is available, or a lower cost rubber-lined, mild steel housing will often fulfill the requirements.

Operating Range for HPB Radial Blowers:

Maximum CFM: 440,000
Maximum Static Pressure: 108″ wg
Maximum Temperature: 1000°
Fan Sizes: 20″ to 100″

Additional information can be found at the Northern Fan company web site http://www.northernindustrialsupplycompany.com/products/air_handling_units.html

Oleg Tchetchel
Canadian Engineer of Industrial Air Make-Up Units
Northern Fan Co.
nis@primus.ca
http://www.northernindustrialsupplycompany.com/products/heat_exchangers.html
http://www.northernindustrialsupplycompany.com/products/humidifiers.html

High Pressure Fans – Pressure Blowers

pressureblower@cogeco.ca

Oleg Tchetchel

pressure blower,high pressure,blower,fan,ventilator,high temperature,industrial,centrifugal,scroll cage,radial,backward inclined,forward curved

chicagoblower

chicagoblowerc

fan@cogeco

***

Tags: Backward Inclined Blowers, Backward Inclined Direct Drive Blower, Belt Drive Blower, Belt Drive Propeller Fans, Blower Fan Suppliers, Centrifugal Blower Fan, Centrifugal Power Fixed Fan,Centrifugal Power Foil Fan, Direct Drive Blower, Forward Curve Belt Drive Blower, Forward Curve Blower, High Temperature Blower,Industrial Blower, Industrial Blower Manufacturer, Industrial Blower Suppliers, Industrial Centrifugal Blower, Industrial Fans and Blowers,Industrial Pressure Blower, Inline Centrifugal Fans, Large Industrial Fan, Plenum Fans, Plug Pak Fans, Propeller Fans, Radial Blade Belt Drive Blowers, Radial Blade Blower, Radial Blade Direct Drive Blowers, Belt Drive Fans, Belt Drive Industrial Fans, Belt Drive Industrial Blowers, Belt Drive Blower Fan, Industrial Large Fans, Industrial Blowers Centrifugal,Industrial Direct Drive Radial Blowers, Large Industrial Blowers, Blower High Temperature, Fans Plenum, Industrial Plenum Fans, Plenum Fan Suppliers, Plenum Fan Manufacturer, Belt Drive Fan Suppliers, Belt Drive Fan Manufacturer, Industrial Centrifugal Blower Supplier,Centrifugal Blower Fan Manufacturer, Propeller Fan Suppliers, Propeller Fan Manufacturer, Belt Drive Radial Blower Supplier, Direct Drive Blower Supplier, Belt Drive Blower Manufacturer,High Temperature Blower Suppliers, High Pressure Blower Supplier,Suppliers Centrifugal Fans,Manufacturers Centrifugal Fans, Centrifugal Industrial Power Fixed,Centrifugal Power Fixed, Centrifugal Power Foil,Industrial Centrifugal Power Fixed, Industrial Forward Curve Blower,Forward Curve Industrial Blower, Forward Curve Blower Supplier,Forward Curve Blower Manufacturer

Axial Ventilator Fan vs Axial Blower Fan

A variable pitch blade in axial fan blower is used where precise control of static pressure within supply ducts is required. The fan wheel will spin at a constant RPM . The blades follow the control pitch hub. As the hub moves toward the rotor the blades increase their angle of attack and an increase in flow results.

Axial Ventilators

Axial flow ventilators have blades that force air to move along the shaft about which the blades rotate. Axial fans blow air across the axis of the fan, linearly, hence their name. This type of fan is used in a wide variety of applications, ranging from small cooling fans for electronics to the giant fans used in wind tunnels.

Some examples of axial fans are:

Table fan – Basic elements of a typical table fan include the fan blade, base, armature and lead wires, motor, blade guard, motor housing, oscillator gearbox, and oscillator shaft. The oscillator is a mechanism that motions the fan from side to side. The axle comes out on both ends of the motor, one end of the axle is attached to the blade and the other is attached to the oscillator gearbox. The motor case joins to the gearbox to contain the rotor and stator. The oscillator shaft combines to the weighted base and the gearbox. A motor housing covers the oscillator mechanism. The blade guard joins to the motor case for safety.

Electro-mechanical fans – among collectors, are rated according to their condition, size, age, and number of blades. Four-blade designs are the most common. Five-blade or six-blade designs are rare. The materials from which the components are made, such as brass, are important factors in fan desirability.

Ceiling fan with light. Ceiling fan – A fan suspended from the ceiling of a room is a ceiling fan.

In automobiles, a mechanical fan provides engine cooling and prevents the engine from overheating by blowing or sucking air through a coolant-filled radiator. It can be driven with a belt and pulley off the engine’s crankshaft or an electric fan switched on/off by a thermostatic switch.

Centrifugal Fans

In centrifugal fan, as opposed to axial flow fan, the air is moving perpendicularly to the fan shaft. Often called a “squirrel cage” (due to its similarity in appearance to exercise wheels for pet rodents), the centrifugal fan has a moving component (called an impeller) that consists of a central shaft about which a set of blades, or ribs, are positioned. Centrifugal fans blow air at right angles to the intake of the fan, and spin the air outwards to the outlet (by deflection and centrifugal force). The impeller rotates, causing air to enter the fan near the shaft and move perpendicularly from the shaft to the opening in the scroll-shaped fan casing. A centrifugal fan produces more pressure for a given air volume, and is used where this is desirable such as in leaf blowers, hair driers, air mattress inflators, inflatable structures, and various industrial purposes. They are typically noisier than comparable axial fans.

A mixed flow fan – is an air moving device in between axial flow fan and centrifugal fan. Mixed Flow fans are an excellent choice for return air, supply, or general ventilation applications where low sound is critical. As compared to similarly sized tubular centrifugals and vane axials, a mixed flow fan will be 5-20 dB quieter! In addition, the mixed flow wheel is extremely efficient and will cut down on operating expenses.

Additional information can be found at the Northern Industrial web site http://northernindustrialsupplycompany.com/products/ilg.html

Oleg Cthetchel
Canadian Industrial Ventilating Engineer
Northern Industrial Co.
http://northernindustrialsupplycompany.com/manufacturers.html
http://northernindustrialsupplycompany.com

Axial vs. Centrifugal Fan

***

Tags: Backward Inclined Blowers, Backward Inclined Direct Drive Blower, Belt Drive Blower, Belt Drive Propeller Fans, Blower Fan Suppliers, Centrifugal Blower Fan, Centrifugal Power Fixed Fan,Centrifugal Power Foil Fan, Direct Drive Blower, Forward Curve Belt Drive Blower, Forward Curve Blower, High Temperature Blower,Industrial Blower, Industrial Blower Manufacturer, Industrial Blower Suppliers, Industrial Centrifugal Blower, Industrial Fans and Blowers,Industrial Pressure Blower, Inline Centrifugal Fans, Large Industrial Fan, Plenum Fans, Plug Pak Fans, Propeller Fans, Radial Blade Belt Drive Blowers, Radial Blade Blower, Radial Blade Direct Drive Blowers, Belt Drive Fans, Belt Drive Industrial Fans, Belt Drive Industrial Blowers, Belt Drive Blower Fan, Industrial Large Fans, Industrial Blowers Centrifugal,Industrial Direct Drive Radial Blowers, Large Industrial Blowers, Blower High Temperature, Fans Plenum, Industrial Plenum Fans, Plenum Fan Suppliers, Plenum Fan Manufacturer, Belt Drive Fan Suppliers, Belt Drive Fan Manufacturer, Industrial Centrifugal Blower Supplier,Centrifugal Blower Fan Manufacturer, Propeller Fan Suppliers, Propeller Fan Manufacturer, Belt Drive Radial Blower Supplier, Direct Drive Blower Supplier, Belt Drive Blower Manufacturer,High Temperature Blower Suppliers, High Pressure Blower Supplier,Suppliers Centrifugal Fans,Manufacturers Centrifugal Fans, Centrifugal Industrial Power Fixed,Centrifugal Power Fixed, Centrifugal Power Foil,Industrial Centrifugal Power Fixed, Industrial Forward Curve Blower,Forward Curve Industrial Blower, Forward Curve Blower Supplier,Forward Curve Blower Manufacturer