Secondary circulation antibacterial system of dialysis water supply pipeline

The utility model discloses a secondary circulation antibacterial system of a dialysis water supply pipeline. The secondary circulation antibacterial system comprises a dialysis water supply main pipeline, a dialysis water main pipeline flow regulating valve, a secondary circulation system inlet, a secondary circulation system inlet side pipeline, a secondary circulation system tee, a secondary circulation system return side pipeline and a secondary circulation system outlet, and is specialized in that the dialysis water main pipeline is provided with the flow regulating valve, wherein the secondary circulation system inlet and the secondary circulation system outlet are formed on opposite sides of the two ends of the flow regulating valve respectively; the secondary circulation system inlet is connected with the secondary circulation system inlet side pipeline which is a hose with length of about 300 cm; the other end of the hose is connected with one port of the circulation system tee; another port of the tee is connected with the secondary circulation system return side pipeline of which the length and the material are the same as those of the secondary circulation system inlet side pipeline; the other port of the secondary circulation system tee is connected with a dialyzer connecting pipe of 3-5 cm; and the other end of the connecting pipe is connected with a dialyzer. The problems of existence of a disinfection dead space and incapability of realizing full disinfection existing in the dialysis water supply pipeline are solved, and quick growth of bacteria can be effectively inhibited.