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新恒基钢铁水泥总厂自1993年2月份开始，把高炉用空腔式和双室风口小套改为折流式专利风口小套之后，风口寿命提高了3倍，年经济效益增长百万元，本文对上述风口小套的结构做了具体剖析。
New Henghy Steel Cement Plant from February 1993 onwards, the blast furnace cavity and double room with a small outlet to baffle patented outlet after a small set, the outlet life expectancy increased by 3 times the annual economic benefits increased by million This article made a detailed analysis of the structure of the small tuyere.