Maintenance method of chute port of coking furnace

Abstract

The invention discloses a maintenance method of a chute of a coking furnace. The method comprises the following steps of: dismounting a wall surface of a carbonization chamber corresponding to the chute to be maintained of the coking furnace, clearing away silica brick burnt substances at a chute port to allow the chute to be smooth, manufacturing a mold with the same shape and dimension as the original chute port, extending the mold to the chute port, butting the mold with the cleaned chute port to be maintained, and pouring and filling a refractory material around the outer side of the moldtill the refractory material is flush with the upper edge of the chute port. The method has the benefits that the method can solve the technical problem that a brick body cannot be replaced thoroughlyafter damage due to a complicated internal structure of the chute, a complicated brick type and layer-by-layer occlusion during construction; the damaged chute can be as intact as before; the maintenance efficiency and an effect of the chute port of the coking furnace are effectively improved; the heating uniformity of the coking furnace is improved; normal production requirements of the coking furnace are met; and a service life of the coking furnace is prolonged.

Description

technical field [0001] The invention relates to the technical field of coking, in particular to a maintenance method for a coke oven chute opening. Background technique [0002] The coke oven chute area is located below the carbonization chamber and the combustion chamber, and above the regenerator. It is the channel area connecting the regenerator and the combustion chamber, and is also one of the important parts of the coke oven heating system. The blast furnace gas, air and exhaust gas entering the combustion chamber are all circulated through the chute, and the temperature near the chute mouth can reach about 1200-1300°C. The working conditions are complicated, and the nose bridge bricks often burn out due to the heating short circuit of the coke oven during the production process. If the chute mouth is blocked, the burnt silicon brick fusing material will block the chute opening, which will seriously affect the normal heating of the coke oven and affect the service life...

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the defects of the existing technology, the technical problem solved by the present invention is to provide a maintenance method for the coke oven chute, which can solve the problem that due to the complex internal structure and brick type of the chute, the bricks cannot be completely replaced when they are damaged The technical problem of the body can be solved, and the damaged chute can be kept intact, effectively improving the maintenance efficiency and effect of the chute opening of the coke oven, improving the heating uniformity of the coke oven, meeting the normal production needs of the coke oven, and prolonging the service life of the coke oven

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