Film type wall sealing dry coke quenching waste heat boiler

A waste heat boiler and membrane wall technology, which is applied in the fields of waste heat boilers and CDQ waste heat boilers, can solve the problems of low operation stability of waste heat boilers, poor thermal expansion performance, and low boiler efficiency, and achieve compact structure, good thermal expansion, The effect of less air leakage

Active Publication Date: 2007-11-07
JIANGSU SHUANGLIANG BOILER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] 5) Due to the negative pressure at the flue gas inlet and the severe wear of the coke powder particles on the heating surface, the operation stability of the waste heat boiler is

Method used

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  • Film type wall sealing dry coke quenching waste heat boiler
  • Film type wall sealing dry coke quenching waste heat boiler
  • Film type wall sealing dry coke quenching waste heat boiler

Examples

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Example Embodiment

[0032] Referring to Figure 1, the present invention is a membrane-type wall sealed CDQ waste heat boiler. The overall structure of the boiler adopts a vertical and membrane-type wall sealed structure, which is mainly composed of a column 13, a beam 1, a boom 2, a membrane hearth 4 , Ceiling tube 5, condenser tube 6, superheater 7, evaporator 8, expansion joint 9, economizer 10, expansion joint 11, steam drum 14, boiler inlet 3 and boiler outlet 12. There are four uprights 13 arranged in two parallel rows. There are two crossbeams 1, which are respectively erected between the two rows of uprights 13 in the front row and the back row. The membrane hearth 4 is suspended from the crossbeam 1 by the suspension rod 2. on. A condenser 6, a superheater 7 and an evaporator 8 are arranged in the membrane fireplace bore 4 from top to bottom. The membrane fireplace chamber 4 is enclosed by a front wall membrane wall 4.1, a left wall membrane wall 4.2, a rear wall membrane wall 4.3, and a righ...

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Abstract

The invention relates to a residue thermal boiler sealed with the film wall including the upright column, the beam, the steeve, the film wall hearth, the ceiling pipe, the condenser pipe, the superheater, the evaporator, the coal economizer and boiler outlet. The film wall hearth is suspended on the beam by the steeve. The condenser pipe, the superheater, the evaporator are set in the film wall hearth from up to down. The hearth is enclosed by the front film wall, the left film wall, the back film wall and the right film wall. The superheater and the evaporator are suspended by the ceiling pipe which is suspended on the beam by the steeve. The part which the superheater and the evaporator pass the film wall is sealed by the ripple expanding structure. The coal economizer top and the lower end of film wall hearth are connected and sealed by the expanding node; the lower end of coal economizer is connected to the boiler outlet by the expanding node. The invention has the good sealing, antiwear and heat expansion character, also it works stable.

Description

technical field [0001] The invention relates to a waste heat boiler, in particular to a dry quenching coke waste heat boiler with a membrane wall seal. It is matched with the dry coke quenching device used in the steelmaking plant to use the high temperature waste heat flue gas produced by the dry coke quenching device to generate steam for the generator to generate electricity. It belongs to the technical field of power equipment. Background technique [0002] The dry coke quenching technology is to discharge the red hot coke produced by the coke oven in the steelmaking plant with a temperature of about 1000 ℃ and put it into the coke tank car. The CDQ pre-storage room, after a certain period of time, it goes down to the coke quenching room, and the inert circulating gas N 2 (about 180°C) enter the coke quenching chamber through the blower device to exchange heat with the hot red coke in reverse flow, extinguish the red coke, and pass the heat of the red coke through the ...

Claims

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Application Information

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IPC IPC(8): F22B1/16F22B1/18
Inventor 王平雷钦祥钱晓峰马文春包旦明
Owner JIANGSU SHUANGLIANG BOILER
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