Self-sealing composite structure coke tank

Abstract

The invention relates to a self-sealing composite structure coke tank which is mainly divided into a coke inlet section, a storage cylinder section and a coke outlet section on the whole, each sectionis composed of a metal shell, an anchoring part on the inner wall of the metal shell and a castable layer, and the sections are connected in an embedded sealing mode. According to the coke inlet section structure, a metal net layer is fixed to an anchoring part and connected with the anchoring part; the castable layer is made of a light refractory castable with the density of 1.6-1.9 g / cm < 3 >;according to the storage cylinder section structure, a metal net layer is fixed to an anchoring part and connected with the anchoring part; a nano insulation board is adhered to the metal shell; the castable layer is made of a semi-heavy refractory castable with the density of 2.0-2.6 g / cm < 3 >; and the coke outlet section structure is the same as the material storage cylinder section structure.On the premise that the manufacturing cost is not increased, the service life of the coke tank lining plate can be prolonged, the replacement period is prolonged by at least 6 months compared with theoriginal replacement period, the maintenance cost can be reduced by at least 30%, and the temperature of the outer surface of the tank shell can be reduced by 50-100 DEG C.

Description

technical field [0001] The invention relates to equipment for coke dry quenching in the coking industry, in particular to a coke tank with a self-sealing composite structure. Background technique [0002] Compared with wet coke quenching, dry coke quenching technology (CDQ) has obvious advantages. It can recover the sensible heat of red coke, improve coke strength, and at the same time facilitate the ironmaking operation of blast furnace and reduce the coke ratio. The CDQ equipment has a long service life. If the CDQ production capacity of the enterprise is not sufficient, the shutdown for maintenance will have a great impact on ironmaking production, and there will be gaps and guarantee issues for ironmaking CDQ. [0003] The coke pot is installed on the coke pot carrying vehicle, pulled by an electric locomotive, and reciprocates under the coke oven hole and the CDQ lifting derrick. The coke tank carries the red coke released from the carbonization chamber, and transports...

AI Technical Summary

Problems solved by technology

[0016] The present invention aims at the disadvantages existing in the prior art that the liner of the existing CDQ coke tank is easily damaged, falls off, has large heat transfer, complex construction of the castable, and is easy to crack. The change of the plate structure is compounded into a whole structure, which avoids the shortcomings caused by straight seams, and can better solve the problems of easy burning, air leakage, falling off, and large heat loss of the coke pot; and without increasing the cost , can also improve the service life and heat preservation effect of the coke tank

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