The equipment is of new structure,the top flange is slotted,the sealing ring is made of solid high temperature resistant round casting,the sealing effect is good and can be used repeatedly.The heat pipe is equipped with a jacket device,with automatic constant temperature,automatic timing,automatic stop,cold water circulation,observable heat conduction oil and waste solvent storage quantity device.Use explosion-proof solid state relays.Equipped with vacuum pressure-relief device,it can not only reduce the boiling point of solvent,save energy and improve efficiency,but also can automatically pump the waste solvent through the device.