Granulator door cover steam adding and pumping device

The utility model discloses a granulator door cover steam adding and pumping device which comprises a granulator door cover. An opening is formed at the lower part of the granulator door cover; the opening is connected with a suction guard; the suction guard is connected to an air duct; the air duct is connected with a cyclone collector; the top of the cyclone collector is connected with a fan; and the lower part of the cyclone collector is connected with an airlock. The granulator door cover steam adding and pumping device has the advantages that dust is taken away through induced draft of the granulator door cover, crispy rice material is prevented from being produced, and the product quality is guaranteed, recycled dust can be reused, waste is not caused, steam leakage is avoided, and the work environment is improved.