... cooling pool)· Oil store system(oil tank, glass mirror, liquidometer)· Waste gas recycle system(water seal, ... to clean and maintain o Just need to make up the vaporized water, it's water conservation o ... It gets no smell.Impurities removing systemThere are two devices for removing the impurities from the oil ... tank.Cooling systemThe cooling pool---new design, makes up of 10 pipes, 6m for each, diameter ...