Controlled cooling device and system

The embodiment of the utility model provides a controlled cooling device and system, the controlled cooling system comprises a guide rail and a water tank valve stand, a transverse moving trolley is arranged on the guide rail, the controlled cooling device is mounted on the transverse moving trolley, and the water tank valve stand is used for supplying water and gas to the controlled cooling device; the cooling control device comprises a water tank and a sealing cover which is installed on the water tank and can be opened and closed. A sealing strip used for preventing water and steam from leaking is arranged between the water tank and the sealing cover. The joint position of the water tank and the sealing cover is meshed with each other through a water baffle to prevent water from splashing out; third water baffles used for preventing water from splashing out are arranged on two side plates of the water tank. An inclined first water baffle is further arranged at the bottom of the rear end of the sealing cove