Circulating fluidized bed domestic waste incineration power generation boiler

A domestic waste incineration and circulating fluidized bed technology, which is applied to steam boilers, steam boiler accessories, steam boiler components, etc., can solve the problems of large-area coking, low combustion efficiency, corrosion, etc., and reduce corrosion and replacement. Good thermal area and corrosion resistance

Inactive Publication Date: 2010-09-29
SHANXI LANTIAN ENVIRONMENTAL PROTECTION EQUIPCO
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Problems solved by technology

[0008] The present invention provides a circulating fluidized bed domestic waste incineration power generation boiler in order to solve the problems of low combu

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  • Circulating fluidized bed domestic waste incineration power generation boiler

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[0020] The circulating fluidized bed domestic waste incineration power generation boiler includes a furnace 1, a cyclone separator 2 and a tail shaft flue 3 which are connected in sequence. The tail shaft flue 3 is provided with a convection evaporation heating surface 4, an economizer, and a low-temperature superheater 5 And the air preheater 6, the lower part of the side wall of the furnace 1 is provided with a domestic waste inlet 7, the economizer includes the upper economizer 8 and the lower economizer 9, and the cyclone separator 2 and the lower part of the furnace 1 are provided with a The fluidized return device 10 connected between the two and the fluidized return device 10 is equipped with a high-temperature superheater 11, and the side wall of the furnace 1 around the domestic garbage inlet 7 is provided with a number of secondary air nozzles 12 for convective evaporation The heating surface 4, the upper economizer 8, the low-temperature superheater 5, the lower econo...

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Abstract

The invention specifically discloses a circulating fluidized bed domestic waste incineration power generation boiler, which solves the problems of low combustion efficiency, severe corrosion and large possibility of large-area coking in the current circulating fluidized bed domestic waste incineration power generation boiler. A coal economizer comprises an upper coal economizer and a lower coal economizer, a fluidized back feeder, which is internally provided with a high temperature superheater, is arranged between the lower parts of a cyclone separator and a hearth and is also communicated with both, a plurality of secondary air jet orifices are arranged at hearth sidewall around a domestic waste feeding port, and a convective evaporation heated surface, the upper coal economizer, a lower temperature superheater, the lower coal economizer and an air preheater are sequentially arranged inside a shaft flue at the tail of the boiler from top to bottom. The circulating fluidized bed domestic waste incineration power generation boiler solves the problems of low combustion efficiency, severe corrosion and large possibility of large-area coking in the current circulating fluidized bed domestic waste incineration power generation boiler, and has the advantages of simple structure and convenient operation.

Description

technical field [0001] The invention relates to a circulating fluidized bed boiler, in particular to a circulating fluidized bed domestic waste incineration power generation boiler. Background technique [0002] With the development of circulating fluidized bed boiler combustion power generation technology, the technology of circulating fluidized bed incineration of household waste power generation has been fully reflected and rapidly applied and promoted throughout the country. At present, the circulating fluidized bed is the best choice for burning domestic waste. In the fluidized bed waste incinerator, the bed material has a high heat capacity, which provides sufficient preheating and drying heat source for domestic waste, even if the water content reaches 50 ~60% of the fuel can not only burn stably, but also achieve a high burnout rate; this is not only reflected in the smooth ignition and combustion of garbage of different qualities in the circulating fluidized bed, bu...

Claims

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Application Information

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IPC IPC(8): F22B37/00
Inventor 郎凤娥王民发王欢蒋宏利邵嫩飞郎鹏德郎慧德郝泽辜俊杰任彦斌赵红卫贾德威郎秀荣
Owner SHANXI LANTIAN ENVIRONMENTAL PROTECTION EQUIPCO
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