Water quenching vehicle lining plate of coke oven and manufacturing method thereof

Abstract

The invention discloses a water quenching vehicle lining plate of a coke oven. The water quenching vehicle lining plate comprises a steel plate, two through holes (1 and 2) and four countersink holes (3, 4, 5 and 6), and is characterized in that the rectangular steel plate is a low-alloy structural steel plate which is produced according to the national standard GB1591-88 and comprises a Q345 chemical composition 16Mn, and the steel plate has the thickness of 25 to 30 mm; the two through holes (1 and 2) are formed in the left side and the right side in the center of the steel plate, have the diameters of 48 to 50 mm, and are used for counteracting the expansion and the contraction caused by heating and refrigerating of the lining plate and discharging water for quenching; the four countersink holes (3, 4, 5 and 6) are formed in the four corners of the steel plate, and bolts are inserted into the countersink holes for fastening; chambering holes in the upper parts of the countersink holes can accommodate the heads of the bolts, so that the heads of the bolts are not higher than the surface of the steel plate. The water quenching vehicle lining plate of the coke oven and a manufacturing method have the advantages of impact resistance, abrasion resistance, long service life and low replacement frequency.

Description

technical field [0001] The invention relates to a coke oven water quenching vehicle, in particular to a coke oven water quenching vehicle lining plate and a manufacturing method thereof. Background technique [0002] The water coke quenching vehicle in the coking plant is a special equipment, which is used to undertake the high-temperature red-hot coke (usually the temperature is between 900°C and 950°C) pushed out from the carbonization chamber and quickly rush to the quenching tower for water leaching coke quenching ; The delivery time is 1.5-2.8 minutes, the coke quenching time is 4-7 minutes, and then it is driven to the cooling platform to unload the coke. During the use of the coke oven water quenching car, the lining board of the water quenching car is subject to the process of sudden heating and cooling, and is rubbed by coke and water, which makes the cast iron lining board of the water quenching car commonly used now prone to cracking. Cracked, unsatisfactory serv...

AI Technical Summary

Problems solved by technology

During the use of the coke oven water quenching car, the lining board of the water quenching car is subject to the process of sudden heating and cooling, and is rubbed by coke and water, which makes the cast iron lining board of the water quenching car commonly used now prone to cracking. Cracked, unsatisfactory service life, high frequency of replacement

[0003] Therefore, there are two problems in the known coke oven water quenching car lining and its production: (1) the cast iron material of the water quenching car lining is not resistant to impact and is easy to break, resulting in short life; There is shrinkage and deformation in the casting of the coke car liner, and the position of the installation bolt hole is easy to be incorrect in the liner made by the foundry, which needs to be corrected temporarily by cutting or welding at the installation site. However, it is very difficult to cut the cast iron liner, and the cast iron used for welding Welding rods are expensive, which creates problems in both processing and economy

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