The invention relates to the technical field of mechanical equipment, and particularly relates to a belt type vacuum filter. According to the belt type vacuum filter, a conveying belt on a filter bodyis cleaned, so that the cleanliness of the conveying belt can be effectively improved, residues of solid impurities on the conveying belt are reduced, the surface of the conveying belt is prevented from being blocked by the solid impurities, the water permeability of the conveying belt is improved, the working efficiency of the filter is improved, and the practicability and the reliability are improved. The filter comprises the filter body, two first mounting plates, two conveying shafts, two conveying wheels, a chain plate, a first motor, a first rotating shaft, a speed reducer, a second rotating shaft, a first bevel gear and a second bevel gear; the conveying belt is mounted on the filter body, and the upper parts of the two first mounting plates are mounted on the front lower side andthe rear lower side of the right end of the filter body respectively.