▎ 摘　　要

NOVELTY - This utility model is a graphene oxide filtering device are disclosed. The graphene oxide filtering device in funnel and flask bottle opening; the upper mouth of the flask outlet is connected with the vacuum pump, opening edge of the hopper is provided with two material inlet, a first feeding port by pipeline container bottle is connected with the hydrochloric acid. the second feeding port is connected with the deionized water container bottle; the water outlet of the deionized water container bottle with super-pure water device; between the first feed inlet and the hydrochloric acid container bottle is orderly provided with a first flow control valve and a first micro-pump and the second feed inlet and the deionized water container bottle set in turn between the second flow control valve and a second micro pump; a first level gauge is set on the first feeding funnel and the second container bottle in liquid level meter on the deionized water; pH meter set at the second feeding funnel, the first and second micro-pump, first and second flow control valves, a vacuum pump, a first liquid level meter, the second liquid level meter, a pH meter, and ultra-pure water are respectively connected with the computer.