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Henan Yuanda Boiler Co., Ltd. [Henan,China] Business Type:Manufacturer Main Markets: Africa , Asia , Caribbean , Middle East , Oceania , Other Markets , Worldwide Exporter:81% - 90% Certs:GB, ISO14001, ISO9001, OHSAS18001, CE, TUV

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What is wet back boiler?

2022-06-15

Wet back boiler, if explained specifically, refer to the boiler's smoke transfer, which is inside the drum. In addition, the tube sheet, back plate and cylinder body of the smoke transfer chamber are all surrounded by boiler water, that is, they are immersed in the boiler water, so this type of boiler is called a wet back type. , or water back.

Yuanda WNS series horizontal internal combustion full wet back oil and gas boilers, the flue gas flow is divided into two forms: two-pass and three-pass. The torch formed after the fuel is burned by the burner is filled in the full-wave furnace, and the radiant heat is transmitted through the furnace wall. This is the first return trip. The high-temperature flue gas generated by the combustion gathers in the return combustion chamber and turns to enter the second return pass, that is, the threaded flue tube bundle area. After convection heat exchange, the flue gas temperature gradually decreases and then reaches the front smoke box. The second return boiler flue gas flows from the front smoke box. Out of the boiler body, it enters the economizer and condenser set on the top of the furnace. The three-pass boiler flue gas turns from the front smoke box to enter the third return pass, that is, the light tube bundle area, and then enters the economizer and condenser through the rear smoke box, and finally flows into the chimney , into the atmosphere. With excellent performance advantages, Yuanda WNS series gas boilers are widely used in chemical, food, winemaking, heating, papermaking, printing and dyeing, rubber and other industries.

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