... special industry boiler adopting light oil or heavy oil as fuel, heat conduction oil as heat carrier. Circulating ... shrink-wide response, distillation, Concentration, evaporation, melts.2. Oil lipid: decomposition Deodorizer, Fatty acid distillation, Distillation, Heating ... drying.8. Metal: pickling, electroplating, painting package, oil bath, heat treatment9. Painting package: painting bake dry, ...