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高炉风口的制作材料和构造方式各国均有不同。现将近年来资本主义各国在风(?)制作方面的演变情况简单介绍如下,以便参考比较。就美国杂志1957年和1958年的报导美国高炉风口近年来有了新的发展。贝勒汉钢铁公司于1953年每吨生铁用于冷却设施所消耗的铜大为增加。该公司用砂模铸成的风口平均只能维持32天的寿命,而且浇铸后的冷却过程中还产生大量裂纹,造成不少废品。因此,他们进行了延长风口寿命的研究工作。经过长期观察和试用,制成了一种由轧制铜板焊接成的新风口。由于铜板导热性能好,而且轧制造成晶粒组织的变化均有利于延长使用寿命。所达到的平均寿命当时
Blast furnace tuyere production materials and construction methods vary from country to country. In recent years, the evolution of the wind (?) Production in capitalist countries in recent years is briefly described below for reference. In 1957 and 1958, the U.S. magazine reported that the blast furnace tuyeres in the United States have made new progress in recent years. The amount of copper consumed by Bellehan Steel for the cooling facilities per tonne of pig iron in 1953 was greatly increased. The company’s sand mold cast into the average only 32 days to maintain life, and after casting cooling process also produces a large number of cracks, resulting in a lot of waste. As a result, they conducted research to extend the life of the tuyere. After a long period of observation and trial, made of a new welding from the rolling copper outlet. Due to the good thermal conductivity of copper, and rolling caused by changes in grain structure are conducive to prolonging the service life. The average life expectancy reached at that time