... -treatment furnace, cracked stove, roaster, melting furnace, hot stove, oil gas boiler, etc. This technology is to make two regenerator to absorb ... the direction change device, recuperate the heat of the exhaust gas to the maximum extent, and then heat the combustion-supporting ... tap smaller than 100ppm, and make the temperature of exhaust gas emission lower than 160°C. It will reduce the greenhouse ...