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The air port of blast furnace is blown into the whaling gun protection method on lance

机译:高炉的风口吹入长矛上的捕鲸枪保护方法

摘要

PROBLEM TO BE SOLVED: To provide a lance protection method capable of preventing fine powdered coal or hot wind back flowing into a tuyere blowing lance without using a purge gas such as nitrogen gas or air when operation change for stopping blow of tuyere blowing material such as the fine powdered coal is conducted in the tuyere of a blast furnace.SOLUTION: The lance protection method of tuyere blowing lance of a blast furnace blows easily ignition reduction material of 10 Nm/h or less per each tuyere from at least one blowing part of a tuyere blowing lance in a blast furnace with the blowing part of a tuyere.SELECTED DRAWING: None
机译:解决的问题:提供一种喷枪保护方法,该方法能够在操作改变以停止风口吹制材料的吹动时,不使用吹扫气体(例如氮气或空气)而防止细粉煤或热风倒流到风口吹制枪中。解决方法:高炉风口吹气喷枪的喷枪保护方法是从至少一个风口的每个风口轻松吹扫每个风口10 Nm / h或以下的点火减少材料。高炉中的风口吹气枪和风口的吹出部分。

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