Exhaust gas boiler for ships
(water tube type) Aalborg Industries
UNEX™ P - 0.5 - 5.0 t/h
UNEX™ P multi-function exhaust gas economizer is a water tube, forced circulation boiler for heat recovery of diesel engine exhaust gas.
The heat transfer surface consists of vertical, concentric, parallel steel tube coils connected to inlet and outlet manifold pipes.
The rounded shape of the gas-tight steel shell surrounding the tube coils is ideal to withstand exhaust gas pulsations from the engine.
Sound absorber and by-pass duct are located inside the tube coils. The sound absorption effect with basic construction is approx. 20 dB(A), but with an additional built-in sound absorber module, a maximum effect of 35 dB(A) can be achieved.
Vertical and straight exhaust gas passages between the tube rows - together with plain tube construction - decrease soot build-up on heating surfaces. This construction runs without problems even in the most demanding operation conditions.
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