1. The hospital use oxygen concentrator manufacturer recommends cleaning of new equipment:

　　After the concentrator is installed, add 1% caustic soda solution, heat and boil for 20-30 minutes, drain the caustic soda solution, rinse it with clean water, and then concentrate the material liquid (mainly clean the oil stains and impurities in the processing of the equipment).

　　2. The manufacturer of oxygen concentrators for hospitals recommends changing the type for cleaning:

　　After heating and boiling with 1% caustic soda solution for 20-30 minutes, brush the inside of the cylinder with a round steel brush, and then rinse with clean water. Open the separator return elbow and other parts of the evaporator and wash them with hot water.

　　3. The manufacturer of hospital use oxygen concentrators recommends daily shutdown for cleaning:

　　The manufacturer of the oxygen concentrator for hospitals feels that every day or after the end of each batch of production, add an appropriate amount of water to the extraction concentrator to heat and circulate for about 20-30 minutes to evaporate; stop the car to release the sewage, and then clean it with clean water. After cleaning, add water to the sight glass. Shut down, wait for the next day or the next shift to operate, after draining the clean water in the equipment, you can feed the liquid for operation.