Product Category : Boilers & Boiler Parts
Thermax provides Smoke Tube Two Pass Boiler. Thermax develops energy-efficient and eco friendly solutions for industry and commerce. Thermax has been helping to conserve energy. Woodpac Smoke Tube Two Pass Boiler which can be fired on wood and optionally on oil in addition. The Smoke Tube Two Pass Boiler has a corrugated furnace all along its length. The front end and shell rear end is closed with the help of tube sheets. The flue tubes are fitted between the front and rear tube sheet. The flue tube opens into the smoke chamber. The pressure part in the Smoke Tube Two Pass Boiler consists of shell, tube sheets, valves and fittings, [level gauge, Mobrey] feed water piping. Smoke chamber and the refractory door are mounted at front and rear respectively. Spirals are provided inside the smoke tube to improve the effectiveness of heating surface. The rear door when opened, gives total access to the furnace, smoke tubes and spiral agitator. The cylindrical boiler of the Smoke Tube Two Pass Boiler shell is fully covered with glass wool insulation and enclosed in a sheet at site. Smoke Tube Two Pass Boiler have two electrically driven water pumps centrifugal multi-stage type, are mounted separately. The salient features of the Smoke Tube Two Pass Boiler:
Reversal Chamber: The smoke box at the end of the second pass acts as a reversal chamber. The hinged construction of the smoke chamber makes the cleaning of tubes easy. It also facilitates the settling of ash.
Balanced Draft: The boiler is supplied with a forced draft primary air fan. As wood contains lot of volatiles, a secondary air ducting is provided for complete combustion in the furnace. An induced draft fan is provided for overcoming the resistance in the heat exchanger. The furnace is always maintaining a balanced draft, resulting in minimum leakage of air.
Integral Furnace: The fuel is fired on grate bars in the integral furnace. Heat transfer by radiation takes place in the first pass, followed by two connective passes. The first convective pass is immediately after the radiation pass, and the flue gases are reversed in the second convective pass. The spirals in the tubes ensure a high rate of heat transfer and a low stack temperature at boiler outlet.
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