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罩式退火炉是冷轧薄板生产不可缺少的重要设备。60年代初苏联设计的罩式炉75座在我厂投产,70年代又移植武钢引进西德罩式炉24座。因此,我厂已投产的罩式炉共99座,年退火能力50×10~4t。由苏联设计的炉型技术落后,设备陈旧,生产周期长,炉台生产能力低,产品质量较差。目前平均炉台生产能力优质板为0.55t/h,普碳钢板为0.78t/h,与国内先进水平差距很大。
Hood annealing furnace is an indispensable production of cold-rolled sheet important equipment. In the early 1960s, 75 Soviet-style hood stoves were put into operation in our factory. In the 1970s, Wenshan also imported 24 West-hood stoves. Therefore, our factory has put into operation a total of 99 stove cover, the annual annealing capacity of 50 × 10 ~ 4t. Furnace design by the Soviet Union outdated technology, outdated equipment, long production cycle, stove production capacity is low, the product quality is poor. At present, the average production capacity of high-quality furnace Taiwan 0.55t / h, Cape carbon steel is 0.78t / h, with a great gap between the domestic advanced level.