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How to replace the coke oven frame?

When the coke oven frame is broken or deformed and affects the coke pushing operation of the coke oven or the tightness of the oven door knife edge, the oven frame should be replaced.

Generally, a coke pushing cart or a coke blocking cart is used to replace the furnace frame. The day before the replacement, replace the fixed hook head bolts of the old furnace frame with new bolts one by one, prepare a furnace door to be placed on the spare furnace frame, and fix the upper and lower horizontal irons of the furnace door and the furnace frame hooks with clamps. Install the sealing asbestos rope at the outer and inner sealing grooves of the spare furnace frame, and wrap the asbestos rope with thin iron wire to fix it.

When the coking time of the carbonization chamber corresponding to the furnace door frame number to be replaced is 3-4 hours, fix the upper and lower horizontal irons of the furnace door and the furnace frame hooks with clamps. Hook the door-removing mechanism onto the furnace door, remove all the connecting hook bolts of the old furnace frame, move the door-removing machine to remove the furnace door together with the old furnace frame, and move it to the furnace door repair station.

Clean the contact surface between the protective plate and the furnace frame and the debris in the groove. Remove some coke from the furnace mouth and blow it away with an air duct. Use the door remover to remove the new furnace frame that is fixed with the furnace door, move it to the carbonization chamber to be replaced, adjust the elevation of the furnace frame, move the door remover to align the new furnace frame, and put on the connecting hook head bolts and butterfly springs, and tighten the hook head bolts.

Remove the furnace door, apply concentrated ore powder to the contact between the furnace frame and the protective plate, then reposition the furnace door to resume normal production of the coke oven.

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