Sulfur hexafluoride recovery and purification plays an important role in the production and application of special gases,especially in the electrical,electronic and other industries,which are widely used.Below,Xiaobian will give you a detailed explanation of the principle of its use.

　　At present,in the world,sulfur hexafluoride recovery and purification units use two main recovery and storage principles.***use the principle of frozen liquefaction method,in the gas recovery,at a certain pressure,the use of refrigeration units,so that the temperature of SF6 gas reaches the saturation steam temperature under the pressure.So that the gas starts to liquefy,and then the gas is stored as a liquid.The main advantage of this principle is the speed of recovery and liquefaction.

　　The second is to use the principle of high-pressure liquefaction method,in the gas recovery,at that temperature,the use of compressor to increase the gas pressure,until the saturation steam pressure,so that SF6 liquefaction into liquid,and in liquid form,for storage.

　　The main advantage of high pressure liquefaction is that the system is simple,but the system working pressure is high and the recovery efficiency is low.Therefore,when the temperature of sulfur hexafluoride gas exceeds the critical value,it cannot be liquefied.At this time,under high temperature and pressure,SF6 gas can only be converted to liquid when the temperature drops below the critical temperature.If you have any questions,welcome to consult!For more information,call 139-4929-0069