A steel-making process in which a jet of oxygen is delivered by a lance on to a molten mixture of pig iron and scrap steel in a retort lined with a basic refractory. Excess carbon is burnt away, producing enough heat to keep the iron molten, and the oxidized impurities are removed as gases or slag.
碱性吹氧炼钢法
Example sentencesExamples
More specifically, this invention is directed to a method for increasing the nitrogen content of steels made by the basic oxygen process.
This gave way mid-century to the basic oxygen process, which used pure oxygen instead of air, cutting the process time from all day to just a few hours.
Virtually all steel is now made in integrated steel plants using a version of the basic oxygen process or in specialty steel plants (mini-mills) using an electric arc furnace process.
Among the primary steel melting processes are the electric arc furnace and the basic oxygen process.
The basic oxygen process is the most common process for producing steel.