Intelligent drainage method for underground engineering construction
The intelligent drainage method is completed through an intelligent drainage system for underground engineering construction and comprises the steps that a center console controls a PLC, the PLC controls an electric control one-way valve A to be opened in the reverse direction to discharge air in an...
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| creator | ZHANG YONGCHUN LUO WENGUAN ZENG SHANGREN JIANG YIHUAN |
| description | The intelligent drainage method is completed through an intelligent drainage system for underground engineering construction and comprises the steps that a center console controls a PLC, the PLC controls an electric control one-way valve A to be opened in the reverse direction to discharge air in an inlet water pipe of a water pump A, at the moment, the PLC controls a water pump B to be closed without being powered on, and the water pump B is opened in the reverse direction to discharge air in an inlet water pipe of the water pump A; and an air emptying step. Due to the fact that the electric control one-way valve A is installed on the temporary water sump pipe of the outlet of the water pump A, air in an inlet water pipe of the water pump A is exhausted by controlling reverse opening of the electric control one-way valve A, and the problems that water storage equipment arranged at an inlet of the water pump needs to be treated irregularly, the daily maintenance workload is increased, and the construction eff |
| format | Patent |
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Due to the fact that the electric control one-way valve A is installed on the temporary water sump pipe of the outlet of the water pump A, air in an inlet water pipe of the water pump A is exhausted by controlling reverse opening of the electric control one-way valve A, and the problems that water storage equipment arranged at an inlet of the water pump needs to be treated irregularly, the daily maintenance workload is increased, and the construction eff</description><language>chi ; eng</language><subject>BLASTING ; EARTH DRILLING ; FIXED CONSTRUCTIONS ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; MINING ; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS ; PUMPS ; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS ; WEAPONS</subject><creationdate>2022</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=20220802&DB=EPODOC&CC=CN&NR=114837740A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220802&DB=EPODOC&CC=CN&NR=114837740A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZHANG YONGCHUN</creatorcontrib><creatorcontrib>LUO WENGUAN</creatorcontrib><creatorcontrib>ZENG SHANGREN</creatorcontrib><creatorcontrib>JIANG YIHUAN</creatorcontrib><title>Intelligent drainage method for underground engineering construction</title><description>The intelligent drainage method is completed through an intelligent drainage system for underground engineering construction and comprises the steps that a center console controls a PLC, the PLC controls an electric control one-way valve A to be opened in the reverse direction to discharge air in an inlet water pipe of a water pump A, at the moment, the PLC controls a water pump B to be closed without being powered on, and the water pump B is opened in the reverse direction to discharge air in an inlet water pipe of the water pump A; and an air emptying step. 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Due to the fact that the electric control one-way valve A is installed on the temporary water sump pipe of the outlet of the water pump A, air in an inlet water pipe of the water pump A is exhausted by controlling reverse opening of the electric control one-way valve A, and the problems that water storage equipment arranged at an inlet of the water pump needs to be treated irregularly, the daily maintenance workload is increased, and the construction eff</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | BLASTING EARTH DRILLING FIXED CONSTRUCTIONS HEATING LIGHTING MECHANICAL ENGINEERING MINING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS WEAPONS |
| title | Intelligent drainage method for underground engineering construction |
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