Horizontal type circulating fluidized bed boiler with horizontal cyclone separator

The technology of cyclone separator and circulating fluidized bed is applied in the direction of fluidized bed combustion equipment, swirling device, device whose axial direction of swirling flow can be reversed, etc. Achieve the effect of lowering combustion temperature, compact structure and lower cost

Active Publication Date: 2012-07-04
TSINGHUA UNIV +1
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  • Application Information

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Problems solved by technology

When the content of combustible matter in the material is high, the combustible matter is e

Method used

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  • Horizontal type circulating fluidized bed boiler with horizontal cyclone separator
  • Horizontal type circulating fluidized bed boiler with horizontal cyclone separator
  • Horizontal type circulating fluidized bed boiler with horizontal cyclone separator

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Embodiment Construction

[0018] The specific embodiment of the present invention and working process will be further described below in conjunction with accompanying drawing.

[0019] figure 1 The schematic diagram of the structure principle of the horizontal circulating fluidized bed boiler with the horizontal cyclone separator provided by the present invention, it includes the main combustion chamber composed of the main combustion chamber dense phase area 2 and the main combustion chamber dilute phase area 5, the auxiliary combustion chamber Chamber 6, burnout chamber 7 and tail flue 11, the air distribution plate 1 is arranged at the lower part of the main combustion chamber, there is a second water-cooled partition wall 31 between the main combustion chamber and the auxiliary combustion chamber 6, the auxiliary combustion chamber 6 and the burnout chamber There is a first water-cooled partition wall 30 between the chambers 7 , and a V-shaped ash hopper 19 is formed at the bottom of the secondary ...

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Abstract

The invention relates to a horizontal type circulating fluidized bed boiler with a horizontal cyclone separator, belonging to combustion equipment of inferior fuels such as inferior coal, solid waste, sludge or biomass and the like, and the horizontal type circulating fluidized bed boiler is particularly suitable for fluidized combustion of a biomass boiler with less ash content. The horizontal type circulating fluidized bed boiler consists of a main combustion chamber, a secondary combustion chamber, a burnout chamber and a tail gas flue, and a horizontal cyclone separator is arranged in the burnout chamber. The horizontal type circulating fluidized bed boiler in the invention changes a single-stage vertical circulating structure of a vertical circulating fluidized bed, can effectively reduce the height of a boiler and reduce the requirement for building height of a factory, meanwhile, the horizontal cyclone separator is integrated in the burnout chamber, the structure is more compact, thereby being beneficial to miniaturization of a circulating bed boiler and reducing the cost effectively. The horizontal type circulating fluidized bed boiler has all the advantages of a circulating fluidized bed and can combust fuels such as inferior coal, solid waste, municipal and industrial sludge, biomass and the like, has wide fuel adaptability and is high-efficiency combustion equipment with clean combustion, a compact structure and long service life.

Description

technical field [0001] The invention relates to a circulating fluidized bed combustion equipment, in particular to a horizontal circulating fluidized bed combustion equipment with a horizontal cyclone separator, which belongs to inferior coal, solid waste, urban and industrial sludge, biomass and other inferior Fuel combustion equipment, especially suitable for circulating fluidized combustion of biomass with low ash content. Background technique [0002] At present, the main combustion equipment for low-quality fuels such as low-quality coal, solid waste, sludge, and biomass in my country are chain furnaces, water-cooled vibrating grate boilers, and circulating fluidized bed boilers. Different types of furnaces are selected according to different fuels. Different furnace types have their own characteristics. [0003] Circulating fluidized bed boiler is an efficient and clean combustion technology developed in recent years. It has wide fuel adaptability and can burn high-qua...

Claims

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Application Information

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IPC IPC(8): F23C10/08F23C10/18
CPCF23C10/08B04C5/02F23J2900/15026
Inventor 李清海张衍国康建斌王谦李俊臣周晓彬
Owner TSINGHUA UNIV
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