CHY Series Quenching Oil Purifier can continuously remove the solid particles, oxidized oil sludge and water from the oil. It can be very conveniently connected with the oil tank directly, oil outlet at the bottom of the oil tank where is the dirtiest oil place connected to oil inlet of the purifier. After deeply purified, connect the outlet of this purifier to return opening of the oil tank. The quenching oil after precise purification meets requirements of components’ thermal treatment, improves surface quality of components, greatly reduces subsequent processing, provides cleaner quenching oil tank, guarantees stable cooling property of the oil, keeps the heat exchanger and transmitter clean.