Recycling water recycling device

The utility model relates to the technical field of reuse water utilization systems, in particular to a reuse water recycling device. The utility model discloses a reuse water recycling device which comprises a first filter, a conversion pulping tank connected to the first filter and a second filter connected to the conversion pulping tank, and a liquid outlet of the first filter is connected to a feed inlet of the first filter. A first washing liquid generated after washing a first filter cake of the first filter with the first pure water is introduced into the first filter. According to the reuse water recycling device provided by the utility model, on the basis of reuse of the first washing liquid generated by the first filter, the conductivity of the first washing liquid is monitored, and the first washing liquid is reused for washing of the first filter, so that the first washing liquid with qualified conductivity is ensured to be used for washing; excessive impurities in the first washing liquid are pre