▎ 摘　　要

NOVELTY - The utility model claims a cooling device of X-ray diffractometer for research and graphene of composite nano-filtration membrane, wherein comprising an outer cooling component, an inner cooling component and a descaling component, the outer cooling component comprises a shell piece, a water inlet pipe and a water outlet pipe, the bottom of the shell piece is provided with a supporting foot, the water inlet pipe is fixedly connected to one side of the upper end of the outer shell piece, the water outlet pipe is connected to one side of the lower end of the outer shell piece through the valve body component; the inner cooling component comprises a supporting plate, a liquid storage tank, a water pump, a cooling pipe pipe, a water return pipe and a water conveying pipe, the supporting plate is detachably installed on the upper end of the shell, the cooling pipe is composed of several straight pipe and several U-shaped connecting pipe. The design has the advantages of simple structure, easy manufacturing and practical and high efficiency.