Air Fin Cooler Division

 

Auxiliary Items
FANS

Air fin coolers generally employ axial flow fans which develop large air volumes at low static pressure.

SALIENT FEATURES

  • Aluminium or FRP fans
  • Manually adjustable pitch or auto variable pitch (AVP) fans
  • Dynamically balanced

DRAFT SYSTEM
The draft systems used in air fin coolers are induced draft and forced draft.

Typical construction of these arrangements are shown below

Forced Draft

Induced Draft

Forced Draft

Induced Draft

VIBRATION MONITORING SYSTEM

Vibration is a common problem in any of the rotating equipment. SJK POWERGEN provides vibration monitoring system along with the main equipment that monitors the critical vibrations

– For easy access for maintenance, SJK POWERGEN also provides motor access platform.

DRIVES & TRANSMISSION

The fans of air fin coolers are usually driven by electric motors either directly or through V belts/HTD belts/PGGT belts or gear boxes.

Direct drive

Direct drive:

Low speed up to 15 HP
 

Belt drive

Belt drive:

V/HTD/PGGT belt – up to 60 HP with dynamically balanced pulleys
 

Gear drive

Gear drive:

Above 60 HP
 

AIR FLOW CONTROL

      Manual or automatic controlled louvers

      Dual speed electric motors

      Variable frequency/speed drive with control system ( VFD/VSD )

      Automatic variable pitch (AVP) fans