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Horizontal circulating fluidized bed burning equipment and its circulating burning method

A technology of circulating fluidized bed and combustion equipment, which is applied in the direction of fluidized bed combustion equipment, combustion method, combustion equipment, etc., which can solve the problems of large cost and initial investment, large boiler body volume, etc., and achieve reduced construction cost and high adaptability The effect of widening and reducing the cost of boilers

Active Publication Date: 2006-06-14
TSINGHUA UNIV
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AI Technical Summary

Problems solved by technology

At this stage, my country is developing its own combustion equipment for dealing with inferior fuels such as inferior coal, solid waste, urban and industrial sludge, and biomass, and has successively formed relatively mature chain furnace combustion equipment and circulating fluidized bed combustion equipment. There are disadvantages that the cost and initial investment are large, and the boiler body is bulky

Method used

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  • Horizontal circulating fluidized bed burning equipment and its circulating burning method
  • Horizontal circulating fluidized bed burning equipment and its circulating burning method
  • Horizontal circulating fluidized bed burning equipment and its circulating burning method

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Embodiment Construction

[0017] The specific implementation and working process of the present invention will be further described below in conjunction with the accompanying drawings.

[0018] figure 1 It is a schematic structural diagram of a single-side arrangement embodiment of the horizontal circulating fluidized bed combustion equipment provided by the present invention. The combustion equipment adopts a horizontal horizontal structure, and mainly includes a main combustion chamber 2 and a secondary combustion chamber 4 and a secondary combustion chamber 5 arranged side by side with the main combustion chamber, and a gas-solid separator 12; the gas-solid separator is arranged in The flue gas outlet 6 of the auxiliary combustion chamber 5; the main combustion chamber is provided with a fuel feeding device 1, and the lower and bottom of the main combustion chamber are respectively provided with a primary circulation material inlet 9, a secondary circulation material inlet 8 and an air distribution sy...

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Abstract

The invention relates to horizontal type circulating fluid bed combustion equipment and its circulating combustion method. It belongs to inferior fuel combustion equipment and combustion method. It is made up of main combustion chamber, multistage subsidiary combustion chamber, and gas solid separator. It can change the national single stage vertical type circulating structure of the circulating fluid bed, effectively reduce boiler height, and reduce the cost. In the combustion equipment, the material is formed two stages or more material circulating. So the combustion efficiency is high. The combustion equipment has the all advantages of the circulating fluid bed. And it can use inferior fuel such as inferior coal, solid waste, and so on. So its fuel adaptability is wide. It is the high efficiency combustion equipment with cleaning combustion, compact structure, and long using life.

Description

Technical field [0001] The invention relates to a circulating fluidized bed combustion equipment and a circulating combustion method thereof, in particular to a horizontal horizontal circulating fluidized bed combustion equipment, which belongs to poor quality fuels such as inferior coal, solid waste, urban and industrial sludge or biomass The combustion equipment and its combustion method. Background technique [0002] At present, the main combustion equipment for inferior fuels such as inferior coal, solid waste, urban and industrial sludge, biomass, etc. in China are chain furnaces and circulating fluidized bed boilers. Different furnace types have their own different fuels. Requirements also have their own advantages and disadvantages. [0003] Circulating fluidized bed technology is an efficient and clean combustion technology with wide fuel adaptability. It can burn high-quality coal, low-quality coal, solid waste, biomass and other fuels. It has high combustion efficiency,...

Claims

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Application Information

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IPC IPC(8): F23C10/08F23G5/30
Inventor 张衍国姚忠建李清海陈勇
Owner TSINGHUA UNIV
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