Integrated suction filter of screw compressor

The integrated suction filter comprises a filter body, the filter body comprises an outer cylinder, an inner cylinder is in threaded connection with the interior of the outer cylinder, a cavity is reserved between the inner cylinder and the outer cylinder, a filter element is inserted into the cavity and comprises an outer layer net and an inner layer net, the inner layer net is located in the outer layer net, and the inner layer net is located in the inner layer net. The inner-layer net and the outer-layer net are concentric, a placement area is reserved between the outer-layer net and the inner-layer net, a middle filter net is arranged in the placement area, and the middle filter net is in contact with the inner-layer net and the outer-layer net. The air suction filter has the beneficial effects that the structure formed by the inner cylinder and the outer cylinder enables the air suction filter to be in a split type design, when the filter element in the air suction filter is scrapped, the inner cylinder