Circulating water replenishing device for recycling ultrafiltration concentrated water

The utility model relates to the field of water treatment, and discloses an ultrafiltration concentrated water recycling circulating water replenishing device which comprises a recycling water tank and a water delivery pump, the water inlet end of the water delivery pump is fixedly connected with a water inlet pipe, the water inlet pipe is communicated with the recycling water tank, and the water outlet end of the water delivery pump is fixedly connected with a water delivery pipe. A water outlet pipe is fixedly connected to the end, away from the water conveying pump, of the water conveying pipe, a ring body is fixedly installed on the periphery of the water outlet pipe, a first connecting ring is fixedly installed on the ring body, a first connecting rope is wound and fixed to the first connecting ring, and a floating device is fixedly connected to the free end of the first connecting rope; the floating device is used for floating on the water surface of a circulating water pool. Compared with the prior art