Method for replacement of bracket brick in chute zone of coke dry quenching furnace

Abstract

The invention provides a method for replacement of a bracket brick in a chute zone of a coke dry quenching furnace. The coke dry quenching furnace comprises an upper cone, a pre-storage chamber, an annular air flue which is arranged around the pre-storage chamber and is communicated with the pre-storage chamber, a middle bolt aperture, an inclined air flue and a cooling chamber. The annular air flue arranged at an upper part of the coke dry quenching furnace is communicated with the cooling chamber arranged at a lower part of the coke dry quenching furnace by a chute zone. The chute zone comprises bracket bricks uniformly distributed along the periphery of the coke dry quenching furnace. The bracket bricks are utilized for supporting the upper part of the coke dry quenching furnace and divide the chute zone into multiple independent chutes. The method provided by the invention comprises the following steps of 1, dismounting a damaged bracket brick and building a novel bracket brick, and 2, paving a fire-resistant material layer on the surface of the novel bracket brick and arranged a protective cover outside the fire-resistant material layer. The method can effectively protect bracket bricks in the chute zone of the coke dry quenching furnace, delays a bracket brick damage speed, and prolongs a bracket brick service life thereby prolonging a maintenance period and a replacement period of a bracket brick in the chute zone.

Description

technical field [0001] The invention relates to the technical field of coking, in particular to a method for replacing the corbel bricks in the CDQ coke oven chute area, the method can strengthen the protection of the CDQ coke oven chute area corbel bricks and prolong the CDQ coke oven chute The service life of the corbel brick in the area. Background technique [0002] Coke quenching is an important link in the coke production process. As an important project for energy saving and emission reduction in the coking process, CDQ has been widely used in China. With the popularization and application of domestic large-scale CDQ, the development of CDQ technology and Research has gradually become a hot topic in the industry. [0003] The CDQ oven is the main component of the CDQ device. figure 1 A schematic diagram of the structure of the dry quenching coke oven is shown in , such as figure 1 As shown in , the CDQ coke oven mainly includes an upper cone 1, a pre-storage room 2...

AI Technical Summary

Problems solved by technology

[0007] Aiming at the problem that the corbel bricks in the chute area are broken and peeled off due to repeated heating and cooling of the refractory material, the corbel bricks are broken and peeled off. The CDQ coke oven includes an upper cone, a pre-storage chamber, an annular air duct surrounding the pre-storage chamber and communicating with the pre-storage chamber, a middle bolt hole, an inclined air duct, and a cooling chamber. The upper annular air duct and the lower cooling chamber pass through the middle incli

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