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The air port of blast furnace is blown into the whaling gun protection method on lance
The air port of blast furnace is blown into the whaling gun protection method on lance
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机译:高炉的风口吹入长矛上的捕鲸枪保护方法
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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
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