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随着高炉送风温度的提高,热风带入的热量一般己占高炉热量总收入的30%以上,提高热风温度和提高热风炉的热效率对降低炼铁工序能耗的作用是很大的。本文从节能的角度出发。阐述了加强高炉直吹管保温、改进热风炉燃灼送风制度及设置燃烧自动控制对节能的作用。并阐述了设计热风炉时应该考虑的有关节能的几个问题。
As blast furnace blast temperature increases, hot air brought into the heat generally accounts for more than 30% of the total heat of the blast furnace to improve the hot air temperature and improve the thermal efficiency of hot blast stove to reduce the energy consumption of ironmaking process is very large. This article from the energy point of view. The effects of strengthening the insulation of straight blowpipe in the blast furnace, improving the combustion air supply system in the hot blast stove and setting the automatic control of combustion to save energy are described. And some issues about energy saving that should be considered when designing the stove are expounded.