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Hood strengthening device of circulating fluidized bed

A technology of circulating fluidized bed and strengthening device, which is applied to fluidized bed combustion equipment, fuel burning in molten state, lighting and heating equipment, etc. problems, to increase flexibility, improve fluidization quality, and reduce equipment repair costs

Inactive Publication Date: 2016-04-13
枣庄矿业(集团)有限责任公司蒋庄煤矿
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, severe wear of the hood, leakage of bed material into the air chamber to block the space of the air chamber, ignition, coking in the bed during operation, and poor slag discharge may all lead to shutdown of the furnace

Method used

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  • Hood strengthening device of circulating fluidized bed
  • Hood strengthening device of circulating fluidized bed
  • Hood strengthening device of circulating fluidized bed

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Embodiment Construction

[0015] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0016] Such as figure 1 , figure 2 and image 3 As shown, a circulating fluidized bed air cap strengthening device includes an operating furnace 1, a secondary air inlet 2, a feed port 3, a cooling pipe 4, an air distribution plate 5, an air cap 6 and a slag discharge port 7. The operating furnace 1. The feed port 3 is provided on the left side, the secondary air inlet 2 is provided above the feed port 3, the air distribution plate 5 is provided at the bottom of the working furnace 1, and the air distribution plate 5 The cooling pipe 4 is provided inside, the slag discharge port 7 is provided in the middle of the air distribution plate 5 and passes through the bottom of the working furnace 1 , and the air cap 6 is provided on the air distributi...

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Abstract

The invention discloses a hood strengthening device of a circulating fluidized bed, and relates to the technical field of hood devices of circulating fluidized beds. The hood strengthening device comprises an operation furnace, a secondary air inlet, a feeding port, cooling pipes, an air distributing plate, hoods and a slagging port. The feeding port is formed in the left side of the operation furnace. The secondary air inlet is formed above the feeding port. The air distributing plate is arranged at the bottom of the operation furnace. The cooling pipes are arranged in the air distributing plate. The slagging port is formed in the middle of the air distributing plate and penetrates the bottom of the operation furnace. The air distribution plate is provided with the hoods. The huge input for the improvement of the fluidized bed and several months of construction are avoided, the work loadloads of dismounting castable and machining and installing novel hoods is are directly omitted, the field construction and improving flexibility is improved, equipment maintaining costs are reduced, and the fluidization quality of a boiler is greatly improved.

Description

technical field [0001] The invention relates to the technical field of a fluidized bed boiler air cap device, in particular to a circulating fluidized bed air cap reinforcing device. Background technique [0002] With the gradual depletion and deterioration of coal resources, many small and medium power station circulating fluidized bed boilers that burn coal, especially the circulating fluidized bed boilers used by some small and medium , that is, it is difficult to meet the needs of worse and worse fuels in terms of the wind speed of the fluidized wind passing through the hood, and it is directly faced with difficulties such as the particle size of the fuel is not easily reduced, and the specific gravity of single particles is large. The original hood wind speed design If it is too small, it will cause frequent coking of the boiler, blockage of the slag outlet, and even failure to maintain normal production. The wind distribution board is completely removed, and the arr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23C10/20
CPCF23C10/20F23C2206/10
Inventor 姜波郝培龙杨松川王洪平胡长革苏士清
Owner 枣庄矿业(集团)有限责任公司蒋庄煤矿
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