Tar residue filter for coal tar processing

The utility model discloses a tar residue filter for coal tar processing, which comprises a filter cartridge and a sealing plate, guide rods are sleeved at the top and the bottom of one side of the sealing plate, a piston matched with the filter cartridge is arranged on one sides of the two groups of guide rods, a filter screen is arranged on the inner side of the piston, a rotating pipe is sleeved at the middle part of one side of the sealing plate, and the rotating pipe is sleeved at the other side of the sealing plate. The inner side of the filter screen is sleeved with an inner sleeve rod in sliding connection with the rotating pipe, and one side of the inner sleeve rod is provided with a scraper matched with the filter screen; according to the coal tar filtering device disclosed by the utility model, through the mutual matching of the filter cartridge, the piston, the scraper blade, the inner sleeve rod, the rotating pipe, the hinge rod, the gear, the push plate and the rack, when the device filters coal