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Heating method for production of formed coke

A heating method and dome technology, which are applied in the field of coal coking, can solve the problems of small coke lumps and large coke content in the burner head, etc., and achieve the effects of reducing generation, ensuring product quality, and ensuring coke lumps.

Active Publication Date: 2018-12-28
山西沁新能源集团股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problems existing in the existing coke oven heating system that cannot simultaneously solve the problem of small coke lumps and large coke content at the burner head, and at the same time, it is suitable for the coking process of stacking briquettes, and provides a heat recovery coke oven production Heating System of High-quality Form Coke

Method used

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  • Heating method for production of formed coke
  • Heating method for production of formed coke
  • Heating method for production of formed coke

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] In the vault and the quadruple fire path, the temperature is raised step by step in different periods, and in the last 160h-195h, the vault is kept at 900°C ± 5°C, and the quadruple fire path is kept at 950°C ± 5°C.

[0021]

[0022] In this embodiment, the temperature of the quadruple flue remains constant, and the temperature of the vault rises slowly.

Embodiment 2

[0024] The heating method generally adopts step-by-step heating in the vault and quadruple fire channels, and keeps the vault at 900°C ± 5°C and the quadruple fire path at 950°C ± 5°C in the last 160h-195h.

[0025] Coal loading—20h vault 900℃±5℃, quadruple flue 850℃—900℃±5℃

[0026] 20h—50h vault 900℃±5℃, quadruple fire channel 850℃—900℃±5℃

[0027] 50h—100h vault 900°C±5°C, quadruple fire path 900°C—950°C±5°C

[0028] 100h—160h vault 900°C±5°C, quadruple fire path 900°C—950°C±5°C

[0029] 160h—195h Vault 900℃±5℃, quadruple fire channel 950℃±5℃.

[0030] In this embodiment, the temperature of the vault remains constant, and the temperature of the quadruple fire channels rises slowly.

Embodiment 3

[0032] The heating method generally adopts step-by-step heating in the vault and quadruple fire channels, and keeps the vault at 900°C ± 5°C and the quadruple fire path at 950°C ± 5°C in the last 160h-195h.

[0033]

[0034]

[0035] In this example, starting from coal loading, the vault temperature rises with a gradient of 50°C at 0-20h, 20-50h, 50-100h, and 100-160h, from 700°C to 750°C±5°C to 850°C— 900°C±5°C, and keep at 900°C±5°C for 160h-195h. The temperature of the quadruple flue rises with a gradient of 50°C at 0-50h and 50-160h, from 850°C-900°C±5°C to 900°C-950°C±5°C, and keeps at 950°C from 160h-195h ±5°C.

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Abstract

The invention relates to a heating method for production of formed coke. Time-segmented stepped heating is adopted for an arch crown and a quadruple flue, and the temperature of the arch crown is keptat 900 DEG C plus or minus 5 DEG C and the temperature of the quadruple flue is kept at 950 DEG C plus or minus 5 DEG C in the last 160 h-195 h. The heating method has the beneficial effects that content of oven-end coke is controlled, coke lumpiness is guaranteed, and product quality is ensured.

Description

technical field [0001] The invention relates to the field of coal coking, in particular to a method for adjusting the heating regime of coke produced in a heat recovery coke oven. Background technique [0002] The heating system of the coke oven is the core of various managements of the coke oven. A reasonable heating system is a powerful guarantee to ensure the uniform maturation of the coke, and it is also an important factor to ensure the quality of the coke. The heating systems of existing coke ovens mainly include: "vaulted top 1300°C ± 20°C, quadruple fire path 1320°C ± 20°C" and "vaulted top 850°C ± 10°C, quadruple fire path 870°C ± 10°C". When the heating system of "vault 1300°C ± 20°C, quadruple fire channel 1320°C ± 20°C" is adopted, the produced coke products have small lumps, high coke pores, and molded coke products with large cracks and easy to crack; When the heating system of "850°C ± 10°C for the vault and 870°C ± 10°C for the quadruple fire channel" is ado...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10B21/10C10B57/04
CPCC10B21/10C10B57/04
Inventor 张留峰孙占龙郭建伟郝建祥郭培瑞胡亮
Owner 山西沁新能源集团股份有限公司
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