Method for maintaining coke dry quenching furnace

A CDQ and plastic technology, applied in coke ovens, coke cooling, petroleum industry and other directions, can solve the problems of not improving the service life of the furnace body, increasing the cost, and long maintenance period, so as to shorten the maintenance period and improve the The effect of working efficiency and improving service life

Active Publication Date: 2010-09-15
宜兴市炉顶密封工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing maintenance method is to repair one area at a time, which will make the maintenance period longer; when performing maintenance, the same material as the original wall is used, which not only cannot make the new and old walls firmly bonded, but also It also cannot improve the service life of the furnace body, and it will also lead to repeated maintenance of the furnace body, thereby increasing the cost

Method used

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Examples

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Embodiment Construction

[0022] The present invention will be further described by the following examples. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention.

[0023] A kind of maintenance method of CDQ coke oven of the present invention, this method comprises the following steps:

[0024] 1) Construction preparation:

[0025] First, according to the design requirements, the construction datum line is found by combining the center point of the furnace shell in the cooling section, and the construction datum line is found out by the center point (line) of the corbel in the ramp area. When the original wall is deformed, it must be based on the datum point (line) ) to find out the distance and position;

[0026] Secondly, check whether the hard-shell plastic blank can be used. The simple way to judge is: hold the plastic with your hands, it is easy to knead into a ball without breaking up, and yo...

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PUM

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Abstract

The invention discloses a method for maintaining a coke dry quenching furnace. The method comprises the following steps of: firstly, carrying out construction preparation; then, building an isolation shed to achieve the safety requirement on simultaneous construction in a plurality of construction areas; sequentially carrying out constructions of applying an interfacial agent, ramming a liner which consists of firm plasticizing materials and anchoring bricks, and treating a working surface of the liner; and finally baking the furnace. The invention has the advantage that by adopting the isolation shed, construction mode on areas required to be maintained are changed from a traditional rotating maintenance mode into a simultaneous maintenance mode on a plurality of areas, thereby shortening the maintenance period, and enhancing the work efficiency; by adopting the liner consisting of the firm plastic materials and the anchoring bricks, the furnace body has the excellent performances ofhigh strength, good structure, strong wear-resisting property, thermal shock resistance and the like, thereby the service life of the furnace body is prolonged.

Description

technical field [0001] The invention relates to a maintenance method for a furnace body, in particular to a maintenance method for a CDQ coke oven. Background technique [0002] During the production process of the CDQ coke oven, coke is in contact with the working surface of the refractory material from top to bottom, causing friction. For the working surface, this friction is long-standing mechanical wear. Wear and tear, rough and gradually peeling refractory particles appear on the working surface, and the surface structure is loose. In addition, the cold inert gas nitrogen mixed with carbon powder continuously impacts and scours the already loose working surface with the airflow. Under this working condition , The wear resistance of the refractory material has been subjected to an unprecedented test. As time goes by, the lining working surface is eroded a little bit. [0003] Since the mortar used for masonry joints during masonry has not undergone the firing process li...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10B39/02
Inventor 李洪明邵志君
Owner 宜兴市炉顶密封工程有限公司
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