Constant temperature circulating water channel

The utility model discloses a constant temperature circulating water channel, including cell body, condenser, water tank and water pump, the cell body both ends are equipped with basin water inlet and basin delivery port respectively, the basin delivery port passes through the pipeline and links to each other with the condenser, the condenser passes through the pipeline and links to each other with the water tank, the water tank is connected with the water pump, the water pump passes through the pipeline and links to each other with the basin water inlet, be equipped with first ball valve on the pipeline between water tank and the water pump, be equipped with heating device and float switch in the water tank, be equipped with the second ball valve on the pipeline between basin delivery port and the condenser. The utility model discloses can guarantee that the temperature in the basin is invariable, water after the dyeing can cyclic utilization, the water economy resource, reduces the pollution to the environment.