... used oil recycling machinea. Catalyst system: Catalyst Reactor, blender; b.. Chemistry treatment system: Chemistry reactor, blender,oil pump ... water pump, water tank, cooler I,cooler II, Condenser; e. Vacuum system: Vacuum water receiver, vacuum pump, vacuum cooler ... pump, radiator,deodorizer. g. oil storage system: distilling storage tank h. Control system: all kinds of gauge( vacuum gauge ...