Improved type circulating water system applied to water curtain type paint spray booth

The invention discloses an improved type circulating water system applied to a water curtain type paint spray booth. The improved type circulating water system comprises a paint spray booth main body;the bottom of the paint spray booth main body is provided with a water tank; driving devices are arranged below the water tank; an output end of each driving device is connected with an output shaft;each output shaft movably penetrates through the bottom of the water tank; stirring paddles are correspondingly arranged around the output shafts; the improved type circulating water system also comprises a distillation still and condensers; the distillation still is connected with a draining pipe and connecting pipes; the draining pipe communicates with the water tank and the distillation still;the distillation still is connected with a collection tank via the connecting pipes; the collection tank is connected with a water pump; and each condenser is connected with the outer side of the corresponding connecting pipe