Dialysis pipeline device of CRRT machine

The utility model discloses a dialysis pipeline device of a CRRT machine. The dialysis pipeline device comprises the CRRT machine, an artery pipeline, a vein pipeline, a displacement liquid pipeline, a dialysate pipeline, a waste liquid pipeline and a PBP pipeline, each pipeline joint is detachably connected to the dialysis filter; the arterial pipeline is provided with a positive pressure joint water inlet, and the waste liquid pipeline is connected with the arterial pipeline through the positive pressure joint water inlet; the displacement liquid pipeline is respectively connected with the artery pipeline and the vein pipeline; a plurality of positive pressure joints are arranged on the vein pipeline; one end of the PBP pipeline is connected with the artery pipeline, the other end of the PBP pipeline is connected with a plurality of connectors through liquid bags, and each connector is used for connecting an amplification liquid bag. By arranging the positive pressure connector water inlet, blood is not pro