Rapid and safe underground liquid CO2 injection pipeline connecting device
The utility model discloses a rapid and safe underground liquid CO2 injection pipeline connecting device in the technical field of coal mine safety. The rapid and safe underground liquid CO2 injectionpipeline connecting device comprises a left connecting pipe and a right connecting pipe, the right c...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model discloses a rapid and safe underground liquid CO2 injection pipeline connecting device in the technical field of coal mine safety. The rapid and safe underground liquid CO2 injectionpipeline connecting device comprises a left connecting pipe and a right connecting pipe, the right connecting pipe is arranged on the right side of the left connecting pipe; the connecting ring assembly is welded to the right side of the outer wall of the left connecting pipe and the left side of the outer wall of the right connecting pipe, the left connecting pipe and the right connecting pipe can be integrally turned, and the left connecting pipe comprises a left connecting pipe body and a right connecting pipe body; the first sealing groove is formed in the left side of the outer wall of the left connecting pipe body; according to the connecting pipe, materials are saved, mounting and dismounting are easy, the labor intensity is relieved, the labor efficiency is improved, the thread heads are welded or integra |
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