What impact will flue gas passes have on boiler performance?
10 Jan 2020
The number of passes that the flue gas travels before exiting the boiler has been a good criterion when comparing boilers. As the flue gas travels through the boiler it cools, and therefore changes volume. Multiple pass boilers increase efficiency because the passes are designed to maximize flue gas velocities as the flue gas cools. ZOZEN has developed new design technologies in our WNS series boilers allowing for comparable efficiencies in fewer passes, resulting in smaller boiler systems that will fit in tighter quarters.
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WNS series gas-fired (oil-fired) steam boilerLive Chat1-20 t/h0.7-2 MPa -
SZS series gas-fired (oil-fired) steam boilerLive Chat2-110 t/h1.25-5.3 MPa -
SZL series coal-fired steam boilerLive Chat6-35 t/h1-2.5 MPa
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