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日利制作所和巴韦日立(株)共同研制成功热风炉热管换热器,安装在福山制铁所4号高炉,于1982年4月投入使用,运行正常。 1.回收热风炉烟气余热 制铁所消耗的气体燃料中约有15％(308×10~6kcal/h)用于热风炉。烟气温度为200～250℃,带走的热量达37×10~6kcal/h。这部分余热有很大回收利用价值。
Rizhao and Baweili Hitachi co-developed hot stove heat pipe heat exchanger, installed in the Fukuyama Iron Works No. 4 blast furnace, put into use in April 1982, operating normally. 1. Recycling hot blast stove flue gas Heat of iron gas consumed by about 15% (308 × 10 ~ 6kcal / h) for hot stove. Flue gas temperature is 200 ~ 250 ℃, take away the heat up to 37 × 10 ~ 6kcal / h. This part of waste heat has a great recycling value.