Different types of industrial blowers and their applications

What is an industrial blower?

An industrial blower mainly supplies massive air flow or gas to various industrial verticals.

It is an electromagnetic device with an electric motor, impeller and airfoils used to improve the airflow through ducting, chassis, or processes.



The industrial blowers enhance the air flow using an electric motor, impeller and air foils enclosed tightly in a sealed case. The main aim of industrial blower is to enhance the airflow and remove contaminants, dust, dirt and particulate matter. They are used in the operations and applications where the air flow is necessary – conveying systems, ventilation, aspiration, cooling and exhaust systems.

Different types of industrial blowers
 

types of industrial blowers

  1. Positive displacement industrial blower: Such industrial blowers use mechanical means to squeeze fluid and thus increase pressure and velocity in sync with the needs. The rotary lobe or the root type commonly uses two counter-rotating lobed rotors to move the fluid via the blower. Direct-coupled electric motors often drive this type of blower.
  2. Centrifugal blowers are blowers that use high-speed blades or impellers to provide velocity to air or other gases. They offer several blade orientations like radial, forward curved and backward curved. In this type of vacuum blowers, the fan affinity laws dictate that a percent reduction in speed will produce a like decrease in flow.
  3. Regenerative industrial blowers:  They are high-flow low, pressure compressed air blowers. They create high-speed, low-pressure compressed air flow or vacuum. High pressure is produced through the twin-stage regenerative blower.
  4. High-speed industrial blower: A high-speed blower releases high-pressure and quick airflow by operating at high speed. The blower has an electric motor and impellers positioned around the blower shaft to maximize the air volume. It is made up of a valve for releasing air and a compression unit for controlling the blower speed.
  5. Helical screw industrial blower: A helical screw industrial blower has two lobes on the primary root and another rotor. The primary rotor is inserted into the second rotor’s flute. Helical screw industrial blowers have a more complicated design but are exceptionally efficient at creating high pressure.


Applications of industrial blowers
 

  1. Positive displacement blowers are used for sewage aeration, pneumatic conveying, gas boosting, filter, flushing and all kinds of petrochemical industries.
  2. Centrifugal industrial blowers are used for combustion air suppliers and drying and cooling systems. They are used for dust control, air conveyor systems, fluid bed aerators and more.
  3. Regenerative industrial blowers are used in heavy industry for chemical and environmental processes. They are also used in operations like packaging, lifting and conveying products in factories, dust and smoke removal, sewage aeration and soil vapour extraction.
  4. Helical screw industrial blowers are employed in various industries like food processing, oil and petroleum, chemical and petrochemical and power and energy industries.


Wrap up
 
When choosing an industrial blower, it is important to check specific attributes like the orientation of their blades, flow capacity, maximum operating pressure, port design and workplace environment.

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