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Industrial
Blowers
An Industrial Blower
or Centrifugal Blower typically has one of
seven types of wheels that draws the air into the
inlet of the blower housing while an Axial Flow Fan
or Industrial Axial Fan uses a propeller
to draw the air into it. The air in and industrial or centrifugal
blower is drawn through the wheel, and discharged at 90 degrees out
through the discharge of the housing. An axial flow fan discharges it
in the same axial direction. Fans are air moving
devices with propellers while blowers aer those with
a wheel.
Many blowers fall under the classifications of Industrial
Blowers, Industrial Cooling Fans, Industrial Exhaust Fan, Industrial
Fan Blower, Industrial Fans and Industrial Ventilation Fans.
No matter what you call them, they are all about the same. There main
difference is, generally, the application they are used for.
To make the proper industrial blower selection, you must
consider the following conditions the blower will be subjected to:
1. What is the airflow that will be required?
This is rated in cubic feet of air per minute (CFM)
or in metric equivalent, it is rated in cubic meters per hour (M³/Hr).
2. What is the static pressure through the complete
system?
This is rated in static pressure water gauge (SPWG)
or in metric equivalent, it is rated in Pascal’s (Pa).
SPWG or Pa is the resistance
to flow, or friction, caused by the air moving through a pipe or duct.
Be sure to include losses through filters, dampers, etc.
NOTE: If the static pressure on the inlet side of the
blower will exceed 15” SPWG, a
correction for suction pressure (Rarefication) should be made. For a
definition of
rarefication and a suction pressure correction.
3. What is the ambient air temperature outside the
industrial blower?
4. What will be the airflow conditions through the
blower?
- Clean or dirty (contaminated) air?
- Dry or wet (moisture laden) air?
- Temperature of air?
5. What is the altitude the blower will be
operating at?
6. Is anything going through the blower that could be
explosive or flammable?
7. Will the general location the blower will be operating
in contain any type of explosive or flammable
material or liquid?
8. If the industrial blower will be used to convey
material, answer the following:
- What is the material?
- How much does the material weigh, in pounds per cubic foot?
- How many pounds will you need to convey per hour?
- Is the material long and stringy or granular?
Most Industrial Blowers can be used for any of the above
parameters except, if conveying material, a blower with a forward curve
(squirrel cage) wheel is not suitable. The best centrifugal wheel type
for conveying material is a radial wheel or an open radial wheel. If
the material you will be conveying is log and stringy, like paper trim
or fibers, only an open radial wheel should be used.
If the industrial blower will be used to create suction,
pressurization, cooling, combustion air, forced ventilation or general
ventilation, then only the first seven conditions above need to be
considered. After the first seven conditions are known, the blower
selection will be based on the type of blower that is best suited by
performance, design and features that best meet those conditions.
Canada Blower manufacture 14 models of Industrial Blowers that
are designed and constructed as industrial
type. We manufacture centrifugal blowers in the 1 to 125 horsepower
range, with airflow capacities from 50 to 200,000 CFM and static
pressures from 0” to 130” SPWG.
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APPLICATIONS:
While a list of all the applications our Industrial Blowers
are used for would be extremely long, the most common include:
- Conveying material in dust collector systems or loading to
silos, trucks and railroad cars.
- Combustion air for burners and industrial water heaters.
- Cooling electrical equipment or parts from heat curing
ovens and kilns.
- Pressurizing cabinets, vaults or rooms.
- Blow-off systems to remove moisture from parts prior to
painting, coating or packing.
- General ventilation of rooms or factories.
- Providing suction or pressure for industrial process air
flotation tables.
- Drying ink on cans and bottles, silk screen and printing
processes.
- Food processing.
- Circulating air in ovens and dryers to eliminate cold spots.
- Forced ventilation of AC and DC motors, traction motors and
electrical cabinets.
BENEFITS:
The benefits of Canada Blower are:
- All fabricated steel models have continuously welded
housings for additional strength. Superior strength over
stitch welding or lock seams.
- Heavy duty, industrial components and continuous duty
motors ensures long lasting operation minimizing equipment down time.
Dependable service with few field problems.
- All aluminum or all stainless steel fan
construction is “not special” for us. We manufacture
most models with both types of construction almost weekly. Faster
delivery to you.
- All of our Industrial Blowers are available with multiple
wheel sizes and some are also available with multiple housing widths
from 50% to 100%, in 5% increments. Direct driven fans can be selected
instead of larger, heavier, more expensive belt driven fans. Less
expensive, more compact and lighter weight. Design flexibility.
- Belt driven models utilize wider spacing between the fan
bearings which increases the bearing life. Less down time
before replacement bearings are needed.
- Service!
Without it, all the above is meaningless. We
pride ourselves and are highly respected in the fan industry for the
quality and service we give all our customers. Let
us prove it to you also.
The design steps, listed previously, are critical for the
proper selection and construction of your industrial blower. We have
over 150 experienced sales engineers across the U.S.A. and Canada ready
to assist you in making the proper blower selection. Call our sales
office for your area. They most likely have already sold some blowers
for your type of application.
We are "The OEM and Industrial Air Handling
Specialists" Let us prove it to you.
Industrial fans
also are helpful in removing pollutants like dust and metal particles,
carbon monoxide, nitrous oxides, sulfur dioxide, sulfuric acid, and
hydrocarbon solvents. Plus, 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. 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.
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