Anti-blocking deslagging structure of circulating fluidized bed boiler

A circulating fluidized bed and boiler technology is applied in the field of anti-blocking and slag discharge structure of circulating fluidized bed boilers, which can solve the problems of poor slag discharge, large operation loss of bed materials, affecting the normal operation of the boiler, etc., and achieve smooth slag discharge from the boiler. , The effect of promoting slag discharge and avoiding excessive carbon content in slag discharge

Pending Publication Date: 2022-03-08
WUXI HUAGUANG BOILER
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Problems solved by technology

[0005] In order to solve the problem of poor slag discharge in existing circulating fluidized bed boilers, easy coking that affects the normal operation of the boiler, and the simple enlargement of the slag fall pipe to cause large operating losses of bed materials, the present invention provides a circulating fluidized bed boiler anti-blocking drain Slag structure, which can make boiler slag discharge more smooth, prevent boiler operation from coking, and reduce bed material operation loss

Method used

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  • Anti-blocking deslagging structure of circulating fluidized bed boiler
  • Anti-blocking deslagging structure of circulating fluidized bed boiler
  • Anti-blocking deslagging structure of circulating fluidized bed boiler

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Embodiment Construction

[0018] See Figure 1 to Figure 6 As shown, a circulating fluidized bed boiler anti-blocking slagging structure, which includes a furnace 1, figure 1 The positions of the furnace front wall 2 and the furnace rear wall 3 are marked in the middle, the bottom of the furnace 1 is provided with an air distribution plate 4, the air distribution plate 4 is equipped with a connecting pipe 6 with a hood 5, and the center of the air distribution plate 4 is provided with a slag outlet. The slag outlet is connected to the slag pipe 7, and the slag pipe 7 is a square heat-insulated slag pipe. For the convenience of description, the side of the slag pipe 7 parallel to the front side and the rear side of the furnace is taken as the width of the slag pipe, and the slag pipe 7 and the The parallel sides on the left and right sides of the furnace are used as the length of the slag pipe, and the length: width is usually 400:200 or 400:300, etc. The ratio can be adjusted according to the actual s...

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Abstract

The invention relates to the technical field of circulating fluidized bed boilers, in particular to an anti-blocking deslagging structure of a circulating fluidized bed boiler, which can enable boiler deslagging to be smoother, prevent boiler operation coking and reduce bed material operation loss, and comprises an air distribution plate, a connecting pipe with an air cap is mounted on the air distribution plate, a slag outlet is formed in the center of the air distribution plate, and a slag outlet is formed in the middle of the air distribution plate. The slag outlet is connected with a slag falling pipe, and the slag falling pipe is characterized in that the slag falling pipe is a square slag falling pipe, the side wall of the slag falling pipe is connected with two loosening air branch pipes which are symmetrically arranged, and air outlets of the loosening air branch pipes are obliquely arranged upwards.

Description

technical field [0001] The invention relates to the technical field of circulating fluidized bed boilers, in particular to an anti-blocking and slag discharge structure for circulating fluidized bed boilers. Background technique [0002] Under the background of realizing "carbon peak" and "carbon neutrality", traditional coal-fired boilers will be gradually eliminated and replaced due to large carbon emissions and serious environmental pollution. Renewable energy and clean energy have become the mainstream of today's development . Major manufacturers pay more attention to new boilers that burn solid waste or biomass, and realize the reuse of solid waste and biomass through different technical routes. At present, this type of new boiler is still in the development stage, and there are some problems that need to be solved urgently. [0003] Compared with biomass fuel and traditional coal, solid waste is more complicated. Taking biomass as an example, compared with the north, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23C10/18F23C10/20F23J1/02
CPCF23C10/18F23C10/20F23J1/02
Inventor 卢照丹
Owner WUXI HUAGUANG BOILER
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