WATER PREHEATER


WASTE HEAT RECOVERY SYSTEM

AIR PREHEATER SYSTEM :

This is Two stage APH having a Open Box type heat exchanger, where flue gas passes outside the pipe & hotair passes inside the pipe. Where, F.D.Fan air enters at 1st stage from the bottom & travel inside the pipe in upward direction then divert it in 2 nd stage unit then delivered in to the Furnace, Flue gas travel top to bottom outside the pipe then goes to I.D.Fan & Chimney.

WATER PREHEATER SYSTEM :

This is single pass WPH having a Open Round type heat exchanger, where flue gas passes inside the pipe & water circulates outside the pipe. Where, flue gas travel inside the pipe in downward direction then delivered to Chimney.

OR

This is single pass Double Header with Pipe Coil assembly type Horizontal Waterpreheater. Lower Header having a connection of inlet of softwater, Water passes through pipe coil due to density difference of natural circulation, after heated water outlet from Upper header to storage tank. Flue gas passes from inlet hooper to Pipe Coil assembly to outlet Hooper than goes to I.D. Fan and Chimney.

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