PURPOSE: A dust collecting device of a coke oven pusher car is provided to reduce starting current by easily changing the operating conditions of a motor for driving a blower. CONSTITUTION: A dust collecting device of a coke oven pusher car comprises a pusher car(20) and a dust collecting unit. The pusher car is installed on the front surface of each coke oven(100) and discharges cokes from the coke oven. The pusher car includes a push unit which is moved in the arrangement direction of cokes by a transfer unit(21). The dust collecting unit comprises a plurality of hoods for drawing in gas and dust from the inlet of a coke oven, a bag filter which is connected to the hoods through ducts, and a blower unit which is connected to the bag filter and provides a suction force to the hoods.
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