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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| creator | LIU PANLONG HUANG HAICHEN XU LIMAO REN YAOXI |
| description | 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 |
| format | Patent |
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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</description><language>chi ; eng</language><subject>BLASTING ; EARTH DRILLING ; ENGINEERING ELEMENTS AND UNITS ; FIXED CONSTRUCTIONS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; JOINTS OR FITTINGS FOR PIPES ; LIGHTING ; MEANS FOR THERMAL INSULATION IN GENERAL ; MECHANICAL ENGINEERING ; MINING ; PIPES ; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS ; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING ; THERMAL INSULATION IN GENERAL ; WEAPONS</subject><creationdate>2021</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210108&DB=EPODOC&CC=CN&NR=212319103U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210108&DB=EPODOC&CC=CN&NR=212319103U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LIU PANLONG</creatorcontrib><creatorcontrib>HUANG HAICHEN</creatorcontrib><creatorcontrib>XU LIMAO</creatorcontrib><creatorcontrib>REN YAOXI</creatorcontrib><title>Rapid and safe underground liquid CO2 injection pipeline connecting device</title><description>The utility model discloses a rapid and safe underground liquid CO2 injection pipeline connecting device in the technical field of coal mine safety. 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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</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
| recordid | cdi_epo_espacenet_CN212319103UU |
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| subjects | BLASTING EARTH DRILLING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING MINING PIPES SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS |
| title | Rapid and safe underground liquid CO2 injection pipeline connecting device |
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