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近年来,换热器以其结构紧凑、气密性好、经济耐用、适应性强及显著的节能特点,已成了各种工业炉窑的附属设备,尤其是对轧钢加热炉来说,成了关键的配套设备。鉴于换热器是在高温烟气(600~1000℃)流动的烟道内工作,不承受任何机械负荷和拉伸,高硅耐热球量铸铁的片状管换热器越来越显示出它的适应性。目前,全国已有80多个企业,120多座
In recent years, heat exchanger with its compact structure, good air tightness, economic and durable, adaptable and significant energy-saving features, has become a subsidiary of a variety of industrial furnaces, especially for steel rolling furnace, into The key ancillary equipment. In view of the fact that the heat exchangers are operated in flue gas flowing at high temperature flue gas (600-1000 ° C) and are not subject to any mechanical load and stretching, the tube heat exchanger of cast iron with high heat-resistant silicone castings shows more and more Adaptability. At present, there are more than 80 enterprises and 120 or more in the country