The utility model relates to the technical field of coking industry accessory devices, in particular to a blast cooling tar remover pipeline. Tar impurities attached to the inner wall of the main bodycan be conveniently removed, the use limitation is low, and the practicability is high; moreover, the working modes are diversified, tar waste in the main body can be cooled, and the working efficiency is high, so that the use reliability is improved; the device comprises a main body, a jet pump, two sets of fixing bolts and two sets of flange connecting discs, the jet pump is installed in the main body, and a valve is arranged on the main body; wherein a contraction frame is arranged in the main body, a driving motor, a speed reducer, a connecting rod, a rubber brush sheet, a threaded rod, athreaded pipe, a servo motor, a connecting plate, a chain, a first chain wheel and a second chain wheel are further included, the chain sleeves the driving chain wheel and the driven chain wheel, thespeed reducer is located at the left output end of the driving motor, and the rubber brush sheet is installed at the bottom end of the movable plate; the system further comprises a cooling device, acompressor, a condenser, an evaporator and a capillary tube, and a cooling chamber is arranged in the cooling device.