... hot air and life water through heat exchanger. 6. Organic heat carrier heating system is liquid closed ... , heating, Insulation, Plastics, Hot pressing, rolling, extrusion, Vulcanization 4. Fiber: synthesis, melting, Spinning, Molded, Solid heat, drying ... melting asphalt, impregnation, mixing, molding6. Printing and paper: thermal melting, corrugated board processing, paper, dry7. The timber: plywood ...