Should not be used in all cases, flammable liquid cleaning valves, filters, gas path of the cooler, air chamber, air pipes and contact with compressed air under normal working conditions of other parts, in the use of chlorinated hydrocarbons non flammable liquid cleaning, should prevent toxic steam drive back out, do not use the carbon tetrachloride as a cleaning agent.
The concentration of hydrochloric acid solution must be controlled when cleaning the cooler, and alkaline solution should be used for neutralization after pickling.
