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Furnace wall structure of pulverized coal furnace

A pulverized coal furnace and furnace wall technology, applied in the field of machinery, can solve the problems of insufficient furnace strength and affecting the heating of tube bundles, and achieve the effects of reducing material consumption, increasing furnace wall strength, and improving stability

Pending Publication Date: 2018-12-07
ZHEJIANG TUFF BOILER
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, the strength of the above-mentioned furnace body is insufficient, and the tube bundles in the furnace body are easily attached to the inner side of the furnace body, which affects the heating of the tube bundles.

Method used

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  • Furnace wall structure of pulverized coal furnace

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Embodiment Construction

[0031] Such as figure 1 As shown, the furnace wall structure of the pulverized coal furnace includes a support, a refractory layer 3 and a spiral tube bundle 4, the above-mentioned several supports form a furnace body with a cavity inside, the above-mentioned tube bundle 4 is located inside the support, and the above-mentioned refractory layer 3 is located in the tube bundle Between the outside of 4 and the inside of the bracket, the bracket has a positioning structure 1 for positioning the refractory layer 3, and there is a positioning structure 2 between the bracket and the tube bundle 4 to position the tube bundle 4 in the furnace body.

[0032] The support includes a plate-shaped plate body 1, and the positioning structure includes a plurality of rod-shaped separating rods 2. The above-mentioned separating rods 2 are arranged transversely and are fixedly connected to the inside of the plate body 1. Arranged in a cloth, a connecting cavity is formed between the two upper an...

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Abstract

The invention provides a furnace wall structure of a pulverized coal furnace, belongs to the technical field of machinery, and solves the problem that stability is poor in the prior art. The furnace wall structure of the pulverized coal furnace comprises supports, a fireproof layer and spiral tube bundles, a furnace body which is internally provided with a cavity is formed through the plurality ofsupports, the tube bundles are located on the inner sides of the supports, the fireproof layer is located between the outer sides of the tube bundles and the inner sides of the supports, the supportsare provided with positioning structures I for positioning the fireproof layer, and positioning structures II capable of positioning the tube bundles in the furnace body are further arranged betweenthe supports and the tube bundles. The furnace wall structure of the pulverized coal furnace is high in stability.

Description

technical field [0001] The invention belongs to the technical field of machinery and relates to a furnace wall structure of a pulverized coal furnace. Background technique [0002] The furnace body of the boiler needs to have good fire resistance. The furnace body of existing boilers is usually made of refractory materials, and it is common to directly use refractory bricks for stacking. [0003] However, the strength of the above-mentioned furnace body is insufficient, and the tube bundles in the furnace body are easily attached to the inner side of the furnace body, which affects the heating of the tube bundles. Contents of the invention [0004] The object of the present invention is to provide a furnace wall structure of a pulverized coal furnace with a compact structure and high stability in view of the above-mentioned problems in the prior art. [0005] The purpose of the present invention can be achieved through the following technical solutions: [0006] A furna...

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Application Information

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IPC IPC(8): F23M5/02
CPCF23M5/02
Inventor 车云霞王军王婷廖兵兵邓龙强杨涛杨国娟赵凯东
Owner ZHEJIANG TUFF BOILER