... of DC-special industry boiler adopting light oil or heavy oil as fuel, ... air and life water through heat exchanger. 6. Organic heat carrier heating system is ... , Insulation, Plastics, Hot pressing, rolling, extrusion, Vulcanization 4. Fiber: synthesis, melting, Spinning, Molded, Solid heat, ... wood drying Hot Pressure of strengthen floor, drying.8. Metal: pickling, electroplating, painting package, oil ...