An incineration plant in Næstved, Denmark, had two flue gas fans installed.

In connection with upgrading and building of two new complete flue gas cleaning systems at FASAN, an incineration plant in Næstved, Denmark, JHM Jørgen Hansen Maskinfabrik A/S has supplied an exhaust fan and a booster fan for Alstom Danmark A/S.

Installation
The flue gas fans are placed between the flue gas cleaning system and the scrubber system and the flue gas has a temperature of about 140°C when passing the fans.

Both flue gas fans are made with exhaust box and emergency motor equipment built up with respectively free-wheeling bearing system / gear motor and "flying start" / emergency motor.

Capacity, exhaust fan:

• Fan type: HAT56-1250-400/KO, 80%, (193101)
• Air quantity: 135.000 m³/h
• Static pressure: 7.650 Pa
• Temperature: 140°C
• Revolutions: 1340 RPM
• Motor: 375 kW
• Emergency motor: 18,5 kW gear motor
• Weight: 12.000 kg
• Material: Housing and bracket in steel 37.2, impeller in Corten
• Special feature: The fan is with intermediate suspended impeller and built up with emergency motor equipment (free-wheeling bearing housing and gear motor), ensuring that the fan can be started up and run emergency
  operation at idle speed.

Capacity, booster fan:

• Fan type: HAT56-1250-400/KO, 70%, (193102)
• Air quantity: 116.000 m³/h
• Static pressure: 6.200 Pa
• Temperature: 140°C
• Revolutions: 1240 RPM
• Motor: 355 kW
• Emergency motor: 45 kW
• Weight: 12.000 kg
• Material: Housing and bracket in steel 37.2, impeller in Corten
• Special feature: The fan is built up with emergency motor equipment, ensuring that the fan can run emergency operation at idle speed.

Year of  Installation: 2005

Customer: Alstom Danmark A/S

Both flue gas fans include suction box and emergency motor equipment built up with respectively free-wheeling bearing system / gear motor and "flying start" / emergency motor.