Vacuum dust removal device for chassis of reduction furnace

The utility model discloses a vacuum dust removal device for a chassis of a reduction furnace, which relates to the technical field of dust removal equipment for the chassis of the reduction furnace for polycrystalline silicon production, and comprises a movable cyclone dust collector and a filter cartridge dust collector, the movable cyclone dust collector comprises a cyclone dust collector arranged on a cart, and the upper part of the cyclone dust collector is connected with a dust collection hose; a primary filtering mechanism is arranged in the cyclone dust collector, a gas outlet I of the cyclone dust collector is connected with a filter cartridge dust collector through a pipeline, gas treated by the filter cartridge dust collector is exhausted through a Roots blower in the silencing room, then treated by a silencer and exhausted from an exhaust pipeline, and an axial flow fan used for reducing the temperature in the silencing room is arranged in the silencing room. The problems that in the prior art, a