It can economize oil nitrogen gas as well as make full use of recovery steam to use steam to bake the fire in the converter cover opening.

转炉氧枪口采用蒸汽封火，既节约有油氮气，又利用回收蒸汽。

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This fountain is provided with diving pump, spray nozzle, cover board, water tank, transparent casing, seep hole and water type converter;

一种喷泉，具有潜水泵、喷嘴、盖板、水槽和透明外罩、渗 水孔、水型变换器；

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This fountain is provided with diving pump, spray nozzle, cover board, water tank, transparent casing, seep hole and water type converter;

一种喷泉，具有潜水泵、喷嘴、盖板、水槽和透明外罩、渗 水孔、水型变换器；

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