Water circulation vacuum pump device for disc filter

The water circulation vacuum pump device comprises a base, a vacuum pump body is installed in the middle of the upper portion of the base, a vacuumizing opening is formed in one side of the upper portion of the vacuum pump body, an impeller is installed at one end of the vacuum pump body, and a sealed water inlet is formed in one side of the impeller. And the water drainage opening is fixedly formed in the other side of the upper portion of the vacuum pump body, a water drainage pipeline is installed above the water drainage opening, and the tail end of the water drainage pipeline is connected with a filter box. Compared with an existing device, the water circulation vacuum pump device for the disc filter has the advantages that water in the water storage tank can be conveniently conveyed into the vacuum pump body through the sealed water inlet and the water inlet pipeline, and the sealed water inlet and the water inlet pipeline are connected through the sealing bolt, so that cooling water and circulating wat