Circulating fluidized bed(CFB) combustion technology is a clean coal combustion technology developed in the past 20 years. QXX circulating fluidized bed(CFB) hot water boiler has outstanding advantages such as wide fuel adaptability, high combustion efficiency, low nitrogen oxide emission, low-cost limestone furnace desulfurization, strong load adaptability, and combustible use of inferior fuel. QXX circulating fluidized bed(CFB) hot water boiler is suitable for all kinds of coal. With the development of economy and the improvement of living standards, the demand for centralized hot water heating in cities has gradually increased. In recent decades, hot water heating has been rapidly developed in China.
QXX circulating fluidized bed(CFB) hot water boiler is mainly used in the heating system of cities and various enterprises.
The boiler has a simple and compact structure. The boiler is composed of the combustion equipment, the coal feeding device, the water cooling system, the separator, the coal economizer, the air preheater, the steel frame, the escalator, the furnace wall and so on. The whole steel frame structure is adopted. The energy saving circulating fluidized bed hot water boiler is arranged in sequence of combustor, separator and tail flue in order to ensure good sealing performance. The high temperature zone adopts a full film wall seal structure, full suspension type, fixed expansion center, aggregate leg and furnace wall water wall composite expansion, improve operation reliability and reduce heat loss. . The furnace is arranged before the furnace. The air required for combustion is provided by one or two air blower. A large number of smoke produced by the combustion of fuel in the furnace is carried. The gas and material are separated by the separator. The separated materials are returned to the furnace to reburn through the return feeder. The temperature in the bed can be adjusted conveniently by adjusting the coal supply, primary air and the two air volume and their proportioning, and the stock of the bed.
|Boiler Model||Rated thermal power（MW）||Rated working pressure（MPa）||Rated outlet water temperature（℃）||Rated intake temperature（℃）|
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