天气预报 > 其他 > 氧气和乙炔是怎么切割的
氧气和乙炔是怎么切割的
更新时间: 2020-09-22 00:00:00  

实际就是乙炔在氧气中充分燃烧产生高温的原理。割枪喷嘴实际是一个管中管的结构,就是一个较粗的管中套着一个较细的小管。粗管中通入的是氧气乙炔混合气,点燃产生高温射流,将喷嘴处的金属熔化,细管中通入的是纯氧气,将熔化的金属吹走,形成割缝。

关键词: 氧气 乙炔 怎么 切割

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