Liquid ring vacuum pump

A vacuum pump refers to a device or device that uses mechanical, physical, chemical or physicochemical methods to evacuate the evacuated container to obtain a vacuum. Generally speaking, a vacuum pump is a device that uses various methods to improve, generate and maintain vacuum in a certain closed space. Here we divided the vacuum pump into roots vacuum pump and liquid ring vacuum pump. A liquid ring vacuum pump is a roughing pump that uses liquid as a working medium. Among them, water is used as the working medium called water ring vacuum pump, others can also be used as working medium such as oil, sulfuric acid and acetic acid. Water ring vacuum pumps are mostly used in industry