Direct Drive Blowers

Direct driven industrial blowers are used to move air and gas in ventilation applications. Their main function is to replace impure or contaminated air with fresh air by swirling it around. Almost every industry, including agricultural, chemical, medical, oil and gas, automotive, food processing, mining and construction use blowers for different purposes such as drying, reducing heat levels, reducing smoke and odors, processing and controlling gaseous fumes.

Industrial Blowers

Industrial blowers are manufactured using a range of durable plastics and metals, or a combination of both materials. For example, industrial blowers operating in corrosive environments are usually made of polypropylene because it provides greater structural integrity and corrosion resistance, and will never de-laminate. Typical recommendations in the construction of industrial blowers are – fiberglass for temperatures above 220 degrees, and metal if pressure is above 10 w.g. (water gage).

Industrial Blower Size

The size of the blower may be regulated by the size of the environment in which it is to be operated. For instance, some units are big enough to house both the fan and its power supply. Smaller, portable blowers are mainly used for cleanups and in spaces that require temporary circulation or air transfer.

Industrial Blower Classes

The air movement and control association recognizes three classes of industrial blowers, classified with numerical designation that is based on how the fan is constructed. The United States’ specifications for industrial blowers depend on the airflow in CFM (cubic feet per minute), static pressure in inches, water gage, altitude and approximate air temperature. Here’s an example:

Direct Drive Blower Application

An industrial blower application with 20,000 CFM at 6″ wg of pressure needs 12 industrial fans ranging from 30 to 60hp. While the recommended or optimal is a 36 wheel, with a 30 hp (horsepower) motor, this is achievable with a 24″ diameter wheel, or up to a 6″ wheel. The outlet velocity for the 36″” is 2611 ft. per minute. So, if it’s a 6″ diameter wheel, the velocity outlet will be 653″” per minute.

Additional information can be found at the Fan and Blower company web site http://www.fanblower.com/index.html

Susann Terlitski
Designer of Industrial Air Handling Units
Fan and Blower Co.
abbblower@abbblower.com
http://www.fanblower.com/centrifugal_fans.htm
http://www.fanblower.com/low_&_medium_pressure_blower_fan.htm

Industrial Direct Driven Blowers

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abbblower@abbblower.com

abbblower

766455

554667

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Centrifugal Blower

Centrifugal Blowers

A centrifugal fan is a blower 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.

High Temperature Fans & Blowers Applications

Tough applications mean tough fans and blowers by Northern Industrial Co. Northern Industrial is a world wide distributor of industrial process ans OEM fans and blowers, as well as fan / blower components; including high pressure blowers, high temperature fans, spark resistant and explosion proof ventilators, tubeaxial and vaneaxial high pressure ventilators. Canada Blower also does existing fans and blowers repairs, re-build, as well as dynamical wheels balancing. High-efficiency impellers result in low power consumption, operating costs, and quieter operation. All metal hardware is completely sealed from exposure to corrosion by incapsulating into FRP or plastic; the steel support frame and motor base are powder coated with a corrosion-resistant finish. In addition to being highly resistant to chemical corrosion, PP fans are self-extinguishing and will not support combustion.

This could be an underground carpark, a gymnasium or any other open space with static air. There are many different centrifugal blowers on the market today and choosing one will depend on a number of factors.

Centrifugal Blowers & Fans Blades

The centrifugal blower has a number of blades mounted around the hub, which turns on a shaft that passes through the housing.

A Centrifugal fan can come in three different types of fan blades. They can come with forward curved blades, backward curved blades and straight radial blades. The type you need will come down to what the conditions are within the area in which you intend to use the device.

When inquiring about purchasing a centrifugal fan you will more than likely need someone from the company in which your purchasing the fan to come and take a look at the conditions the fan will be placed and also to check what kind of air pressure there is within the area.

Centrifugal Blower Size

The size of the area in which the centrifugal blower is to be used will obviously play a major part in the decision of how large it needs to be and how much air it can actually blow through the area. There are many different sizes that you can get to cover any area but depending on your circumstances you may need more than one to do the job adequately.

The type of air that is in the premises will also play a large role in which type of Centrifugal Blower you need. If the centrifugal fan is to be used in an area where the air conditions are standard then no adjustments will need to be made to the actual fan itself. On the other hand if you are going to operate the fan in other types of air density then adjustments can be made to the static pressure and brake horsepower.

Centrifugal Blower Placement

Another point to be made when you are interested in purchasing a centrifugal blower is where you intend to put it. There are many different styles of centrifugal blowers, they include roof and ceiling ventilators, pressure and volume blowers, duct fans and blowers or freestanding fans and plenum fans.

There is obviously an advantage with freestanding fans as you have the opportunity of moving it to different areas of the building / factory, which is an advantage. If you do have it mounted then it is out of the way and not taking up valuable room. Most Industrial fans come with a safety guard on them now which is made so that no human appendages can accidentally go into the fan. Most centrifugal fans come with an electric motor although they do make ones now which run off an generator also. This is a huge advantage if there is a power failure within the premises.

Most industrial fans make some kind of noise but with a lot of the new models being released now the noise level is minimal. Some can make more noise than others but this depends on the size of the fan and also the conditions which it is working in.

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

Oleg Cthetchel
Ventilation Engineer
Northern Industrial Co.
http://northernindustrialsupplycompany.com/products/index.html
http://northernindustrialsupplycompany.com/products/industrialfan_blowers.html

Centrifugal Blowers by Northern Industrial Blower

fan blower ventilator high temperature pressure industrial stainless steel alloy fiberglass FRP heavy duty capacity process exhaust induced draft force forced I.D. F.D. ID FD combustion suction

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Industrial Blowers in Ventilation

In case of temperatures above 220 degrees and metal and if pressure is above 10 wg (water gage), typical recommendations in the construction of industrial blowers are generally fiber glass.

Industrial Blowers in the Environment

By the size of the environment in which it is to be operated the size of the blower may be regulated. For example, to house both the fan and its power supply, some units are big enough. Mainly used for cleanups and in spaces that require temporary circulation or air transfer, there are smaller and portable blowers.

To circulate the movement of air and gas in ventilation applications, industrial blowers are mainly used. To replace impure or contaminated air with fresh air by swirling it around is their main function. Medical, agricultural, chemical, oil and gas, mining and construction, automotive, food processing, almost every industry uses blowers for different purposes such as drying, reducing the levels of heat, reducing smoke and odors, processing and controlling gaseous fumes.

For industrial area, air conditioning can often become too large of an expense but now with technological advancements, these days industrial fans are being that bring some much needed relief. Industrial electric fans manufacturers are coming up with fans that are quite helpful and advantageous for places where dampness, heat stratification, and stagnant air are common and recurring problems. Also, these fans can be used for high static pressure. 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 which is also referred to as an industrial electric blower.

Industrial Blowers for Ventilation

In the removal of pollutants like carbon monoxide, dust and metal particles, sulphur dioxide, nitrous oxides, sulphuric acid, and hydrocarbon solvents, the industrial fans are very helpful. In comparison to an air conditioner, industrial electric fans do not use as much electricity. They also circulate air and cool it at a fast rate for a large space. The larger motor of an industrial fan is actually guaranteed to save energy costs on any industrial ventilation solution with high-powered, energy-efficient motors.

Able to generate a substantial volume of air with minimal vibration in a limited space, like the ones used in air conditioning, heating, ventilation and vacuum cleaners, a centrifugal blower is a common device. Through its center, a centrifugal blower intake air and directs it through a perpendicular opening in the housing. Thus blowers are necessary in various industrial places.

Additional information can be found at the Industrial Fan Blower company web site http://industrialfanblower.net

Oleg Tchechel
Developer of Industrial Air Make-Up Units
Industrial Fan Blower Co.
asap@buffalofan.com
http://www.industrialfanblower.net/cbd_about_us.htm
http://www.industrialfanblower.net/cbd_links.htm

Blowers In Industrial Ventilation

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Centrifugal Industrial Blowers – NISCO Blowers and Fans

Centrifugal fans employ the use of a rotating impeller to increase the speed of air stream. The centrifugal speed increases as the air stream reaches the ends of the fan blades and is then converted to pressure. These fans are able to produce high pressures, making them suitable for harsh operating conditions, such as:

* Systems with high temperatures
* Moist or dirty air streams
* Material handling/conveying

Northern Fan Co. has considerable experience with air moving applications. Fans are the “heart” of all ventilation systems, and essential for all industrial processes that require air flow. Northern Fan Co. application experience with nyb fans and blowers is pivotal to the success of a complete air handling package and includes:

– Cast aluminum pressure blowers, axial and vaneaxial fans, industrial exhausters, roof ventilators, centrifugal fans and marine duty fans for a host of air moving requirements;

Continue reading Centrifugal Industrial Blowers – NISCO Blowers and Fans