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Overhaul construction method of double chute position of dry quenching furnace

A construction method and technology of dry quenching coke oven, applied in coke oven, petroleum industry, coke cooling and other directions, can solve the problems of long maintenance period, long downtime, short service life of support columns and partition walls, etc. The cost of the maintenance project, the quality of the maintenance construction, and the effect of enhancing the degree of fit

Active Publication Date: 2014-01-15
MCC5 GROUP CORP SHANGHAI
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The known overhaul construction method of CDQ coke oven double chute has poor fit between the old and new masonry and the integrity of the support columns in the chute area, the service life of the support columns and partition walls at the double chute is short, and the shutdown time is long. Problems of long maintenance period and high cost
[0003] Therefore, there are above-mentioned inconveniences and problems in the known CDQ coke oven double chute position maintenance construction method

Method used

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  • Overhaul construction method of double chute position of dry quenching furnace
  • Overhaul construction method of double chute position of dry quenching furnace
  • Overhaul construction method of double chute position of dry quenching furnace

Examples

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Embodiment 1

[0034] A construction method for overhauling double chute parts of CDQ coke oven, which is characterized in that it includes the following steps:

[0035] a. Install ceiling facilities

[0036] figure 1 It is a schematic diagram of the installation of the suspended ceiling technical measures of the embodiment of the present invention.

[0037] Lift the masonry on the upper part of the second-story arch of the double-chute support column with a spreader, connect and fix the support 1 from the fire viewing hole to the second-story arch support part 3 of the double-chute support column with the second-story arch tie rod 2 of the double-chute support column, At the same time, use 4 jacks to support and protect the lower part of the second-floor arch of the double ramp support column on the coke 5, so as to prevent the upper part of the masonry from sinking when the double ramp support column is disassembled for construction;

[0038] b. Remove the double ramp support column bric...

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Abstract

An overhaul construction method of a double chute position of a dry quenching furnace is characterized by comprising the following steps: a. installing of ceiling facilities, b. removing of double chute support column bricks, c. overhaul and constructing of double chute support column bricks and d. construction of a double chute partition wall pouring material. The overhaul construction method of the double chute position of the dry quenching furnace can enhance the conjunction degree of new and old brickworks and chute region support column integrality, can improve thermal shock resistant, spalling resistant and wear resistant properties of double chute position support columns and partition walls, is good in overhaul construction quality, and after putting into production, can prolong service life of the dry quenching furnace and reduce overhaul construction cost.

Description

technical field [0001] The invention relates to a construction method for overhauling a kiln, in particular to a construction method for overhauling the double ramps of a dry quenching coke oven. Background technique [0002] In order to meet the requirements of national environmental protection, most domestic steel mills and coking plants have successively built new large-volume CDQ ovens. According to our understanding of the domestic large-volume CDQ market, from the structural design point of view, CDQ ovens above 150 t / h adopt a double-chute structure. On the one hand, the partition wall in the double chute of CDQ coke oven is conducive to the stability and durability of the support column of the chute; on the other hand, it can effectively solve the problem of coke floating in the chute area. However, the working environment of the refractory material in the double chute of the CDQ coke oven is harsh, and it is subjected to repeated impacts of about 20,000 times per y...

Claims

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Application Information

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IPC IPC(8): C10B39/02
Inventor 任社安冉从辉程先云谢明洪方梦琳
Owner MCC5 GROUP CORP SHANGHAI
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