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一、富氧鼓风发展概况富氧鼓风是强化高炉冶炼过程的途径之一。早在1876年贝塞麦就提出了高炉富氧鼓风的建议,1913年在比利时乌格尔工厂首先开始富氧鼓风试验,当鼓风中含氧量增加到23％时,产量提高12％,焦比降低3％。1939～1941年苏联彼德洛夫斯基工厂在218m~3的小型高炉上冶炼硅铁,鼓风含氧量达到30～35％,获得了明显的增产节焦效果。1948年美国威尔登钢厂开始制造13500m~3/h的大型制氧机,并在1951年四座容积为1120～1240m~3的大型高炉上进行冶炼各种标号生铁的富氧鼓风试验,耗氧量已达到每小时12000m~3以上。但在冶炼铸造,特别是冶炼制钢生铁,当鼓风中含氧量超过23～24％时,炉况不稳,影响高炉顺行。
First, the development of oxygen-enriched blasting Oxygen-enriched blast furnace is one of the ways to strengthen the blast furnace smelting process. As early as 1876, Bessemer made the proposal of blast furnace oxygen-rich blast. In 1913, at the Oger factory in Belgium, the first oxygen-rich blast test was started. When the blast oxygen content increased to 23%, the output was increased by 12 %, Coke ratio decreased by 3%. From 1939 to 1941, the Petrovsky factory in the Soviet Union smelted ferrosilicon on a small blast furnace of 218m ~ 3, and the blast oxygen content reached 30-35%. In 1948, the Wealden steel mill in the United States started to manufacture a large oxygen generator of 13,500m 3 / h. In 1951, four oxygen-rich blast furnaces for smelting various types of pig iron were tested on four large blast furnaces with a capacity of 1,120 to 1,240m 3. Oxygen consumption has reached 12000m ~ 3 per hour or more. However, smelting casting, especially smelting steel pig iron, when the blast of oxygen in more than 23 to 24%, the furnace instability, affecting the smooth blast furnace.