Water quality circulation adjusting device for ultrapure water equipment

The utility model discloses a water quality circulation adjusting device for ultrapure water equipment, which comprises an S-shaped pipeline, a water inlet pipe is fixedly arranged at one end, close to the upper part, of the S-shaped pipeline, a water outlet pipe is fixedly arranged at one end, close to the lower part, of the S-shaped pipeline, and the S-shaped pipeline comprises six frame-shaped pipelines and five U-shaped connecting pipes. And one end of the upper frame-shaped pipeline and one end of the lower frame-shaped pipeline are connected with the end parts of the other four frame-shaped pipelines through five U-shaped connecting pipes. According to the utility model, by closing the regulating valves on the two sides of the water quality filtering and purifying pipe, water flow does not need to pass through the damaged water quality filtering and purifying pipe, and then the switch valves on the two sides of the lower end of the connecting through pipe are opened, so that water flow in the water inle