PURPOSE: A dust collection device of a hopper is provided to prevent damage of an inlet unit due to steel dust which is contained in dust flowing in the inlet.;CONSTITUTION: A dust collection device (1) of a hopper comprises a detection unit (10), an inlet (20), an inhalation and storage unit (30), and a steel dust collection unit (40). The detection unit is installed inside the hopper, and detects the amount of dust which flies inside the hopper. The inlet is formed on the outer side of the hopper, and connected to the inside of the hopper. The inhalation and storage unit is connected to the inlet, guides the dust to the inlet, and inhales and stores the guided dust. The steel dust collection unit is located from the inside of the hopper to the inlet; generates magnetic forces when the amount of the detected dust is over a fixed amount; and transfers the steel dust, which is guided to the inlet, to the inhalation and storage unit.;COPYRIGHT KIPO 2013
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