Fire fighting method of feeding gas of carbon dioxide into roadways in mine
A method for extinguishing the accident fire in the roadway of mine shaft includes such steps as closing the gate of mint shaft and all blow holes of the roadway, drilling a hole at the position near the fire region, and filling CO2 gas in the roadway via said hole.
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A method for extinguishing the accident fire in the roadway of mine shaft includes such steps as closing the gate of mint shaft and all blow holes of the roadway, drilling a hole at the position near the fire region, and filling CO2 gas in the roadway via said hole. |
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