▎ 摘　　要

NOVELTY - The utility model belongs to drinking water purification device technical field, specifically to a detachable water purifying device. it solves the problem of drinking water purification, comprising a graphene inner liner, lower shell, upper shell, the lower connector and the upper connector, lower shell together form a shell with the upper shell, lower shell position and connection of the upper shell is provided with a sealing ring I, joint is sleeved with a hoop I, graphene inner liner is set in the lower shell and upper shell, graphene inner liner is provided with water inlet, outer wall liner in graphene made of graphene; upper shell connector connected with the upper top part, and the connecting part is provided with a sealing ring II; lower shell body is connected with the lower connector, and the joint is provided with a sealing ring III. The utility model is used for processing farm chemical and heavy metal in water, and can be used repeatedly for reducing hardness of drinking water production cost, can make the graphene in liner washing repeatedly used through back-flushing device.