Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21F - Safety devices, transport, filling-up, rescue, ventilation, or drainage in or of mines or tunnels › E21F 16 - Drainage
Patents for E21F 16 - Drainage (1,138)
07/2012
07/11/2012CN202325675U 一种矿井中的防渗水装置 The seepage water in mine equipment
07/11/2012CN202325674U 自动排渣放水器 Automatic slagging turn on the water
07/11/2012CN202325673U Drainage ditch cover plate for underpass type tunnel
07/11/2012CN202325672U 一种防爆井盖装置 One kind of explosion-proof covers device
07/11/2012CN202325671U 矿山措施井排矸仓自动排水装置 Well mine measures automatic drainage discharge refuse bin
07/11/2012CN202325627U 瓦斯抽采管路控制装置 Gas drainage pipeline control device
07/11/2012CN202325573U 煤巷钻孔防突装置 Coal Lane drilling outburst prevention device
07/11/2012CN202325541U 一种具有改良结构的隧道结构 Tunnel structure having improved structure
07/11/2012CN102562153A Setting method for auxiliary system of electric power tunnel
07/11/2012CN102562152A Brine deicing device of railway tunnels
07/11/2012CN102562151A Multifunctional water filtering filling mine and use method thereof
07/11/2012CN102562132A Explosion suppression digital intelligence gas drainage pump for mines
07/11/2012CN102562077A Excavation construction method of frame tunnel penetrating special structure at lower portion
07/04/2012CN202300520U 矿用瓦斯抽放全自动放水装置 Mine gas drainage automatic drainage device
07/04/2012CN202300519U 矿用瓦斯抽放正压放水器 Mine gas drainage positive turn on the water
07/04/2012CN202300518U 下向抽采孔排水装置 Under the drainage hole drainage
07/04/2012CN102536318A Level linear highway tunnel with drainage system
07/04/2012CN102003209B Moving pump station usage method for underground drainage of coal mine
06/2012
06/27/2012CN202284480U 一种竖井壁环向截水沟自动排水系统 A shaft wall ring automatic drainage system to drainage ditches
06/27/2012CN102518470A Method for preventing and controlling water by using freezing pipes in annular water intercepting tunnel
06/27/2012CN102518461A Coal mine low-post secondary heat energy resource comprehension utilization system
06/27/2012CN102518439A Method for constructing tunnel with uncovered hole section in middle
06/20/2012CN202280001U 铁路隧道口壁缘融冰装置 Railway tunnel wall melting ice edge device
06/20/2012CN102505963A Stope face roof water pre-drainage construction method
06/13/2012CN202273711U 一种矿井水仓清淤车 Sump dredging in mine car
06/13/2012CN102493842A Horizontal jet grouting pore-forming water drainage method for completely weathered deeply buried water-rich granite of tunnels
06/13/2012CN102493841A Foldable high-pressure drain pipe for emergency rescue and manufacturing method of foldable high-pressure drain pipe
06/13/2012CN102493834A Water and waste rock discharging device for extracting gas and working method thereof
06/13/2012CN101967994B Early water detecting and releasing safety device for tunneling
06/06/2012CN202266297U 箱式负压自动放水器 Box-type vacuum automatically turn on the water
06/06/2012CN101963070B Drain device for mine gas extraction system
05/2012
05/30/2012CN202250165U Integration device for separating gas and water and discharging water and slag for drill hole in gas extraction crossheading drill site
05/30/2012CN202250164U Multifunctional connecting device for coal mine gas extraction drill hole
05/30/2012CN101892862B Full tailing filling method in large goafs
05/23/2012CN102465714A 一种新型煤矿排水系统 A new coal mine drainage systems
05/23/2012CN101915121B Mine water disaster emergency rescue set drainage facility
05/09/2012CN202215795U Drainage device
05/09/2012CN202215293U Automatic explosion-insulation water discharge controller for mining
05/09/2012CN202215280U Automatic draining and deslagging device for gas drainage
05/02/2012CN102434175A Tunnel lining self waterproof drainage system
05/02/2012CN101839147B Siphon sluicing method
04/2012
04/25/2012CN102425455A 矿井水仓排泥装置 Mine Sump mud device
04/25/2012CN102425421A Novel water control method suitable for mine shafts
04/18/2012CN202194686U Well-point dewatering device at bottom of tunnel
04/18/2012CN202194685U Automatic drainage device for gas drainage
04/18/2012CN202194684U 可卸煤/岩屑的u型管 May unloading / cuttings u-tube
04/18/2012CN202194663U 复合式土压平衡盾构机供水系统 Composite EPB shield machine water supply system
04/18/2012CN102416984A 履带式坑道抢险排水泵车 Crawler drainage tunnel rescue truck
04/11/2012CN202187796U 矿井吊轨绳巷全自动灾害堵防装置 Mine automatic lane rope hanging rail disaster prevention device blocking
04/04/2012CN202181925U 矿井上开式全自动灾害堵防装置 Open automatic blocking mine disaster prevention device on
04/04/2012CN202181924U 矿井对开式全自动灾害堵防装置 Automatic blocking off mine disaster prevention device
04/04/2012CN202181921U 矿井平巷全自动灾害堵防装置 Automatic blocking drift mine disaster prevention device
04/04/2012CN102400713A 一种用于联络通道隧内降水辅助施工的方法 A method of precipitation within the auxiliary contact channel tunnel construction for
04/04/2012CN102400712A 一种防范地下矿山突水淹井事故的排水方法 A method of underground mine drainage water inrush accident prevention
04/04/2012CN102400704A 瓦斯和水抽采装置、系统及方法 Apparatus, system and method for gas and water drainage
03/2012
03/28/2012CN202176369U 移动抢险排水装置 Mobile emergency drainage
03/21/2012CN102383858A Improved kilometer drilling field dam system
03/21/2012CN102383831A Control device for gas-extracting pipeline
03/14/2012CN202165634U 隔断门的放水阀 Geduan discharge valve
03/14/2012CN202165125U 新式抽气排水集成箱 The new integrated suction drainage box
03/14/2012CN202165124U 一种煤矿瓦斯抽放自动排水控制装置 One kind of coal mine gas drainage automatic drain control device
03/14/2012CN202165123U 露天矿水泵坑排水装置 Opencast pit drainage pumps
03/08/2012DE102009058368B4 Wasserhebevorrichtung Water lifting device
03/07/2012CN202157831U 一种双连拱隧道中隔墙纵向排水管结构 A dual arch tunnel wall longitudinal drainage structures
03/07/2012CN202157830U 瓦斯管路自动放水器 Gas pipeline automatically turn on the water
03/07/2012CN101949158B Hydraulic sump cleaning vehicle
02/2012
02/22/2012CN202148924U 隧道自动抽水装置 Tunnel automatic pumping equipment
02/22/2012CN202148923U 一种自动分渣放水器 An automatic sub slag turn on the water
02/22/2012CN202148922U 一种地下采矿的排水装置 An underground mining drainage device
02/22/2012CN102359395A Method for plugging large-scale water-inrush burst-mud burst hole of tunnel fault
02/22/2012CN101979838B 矿井水情预测与排水智能控制系统 Hydrological Forecasting and mine drainage Intelligent Control System
02/15/2012CN102352774A Method for controlling efficiency of drainage system by using flow rate of pipelines
02/08/2012CN202139600U 一种非资源开采型降水井 A non-resource extraction wells type of precipitation
02/08/2012CN102345473A Mine intrinsic safety type automatic drainage and measurement and control protection device
02/01/2012CN202132072U 集水井自动抽排水装置 Automatic sump pump drainage
02/01/2012CN102337921A Gas-water separation, water discharging and slag discharge integrated device for drill hole in gas extraction crossheading drill site
02/01/2012CN102337888A Large-gradient development machine
01/2012
01/25/2012CN202125316U Device for draining water sprayed on well wall in mine shaft construction
01/25/2012CN202125307U Mobile dust removal and cooling spray equipment for fully-mechanized working surface ventilation roadway
01/18/2012CN202117712U Liquid level control system of coal mine shaft sump
01/18/2012CN202117711U Novel water-absorbing pumping equipment for mining
01/18/2012CN202117676U Multifunctional shield subway tunnel structure
01/18/2012CN102322292A Contact tunnel also serving as pump station structure between shield tunnels and construction method thereof
01/18/2012CN102322095A Road accumulated water removing machine
01/16/2012DE202011052123U1 Entwässerungsschacht für einen Tunnel Drainage shaft for a tunnel
01/11/2012CN202108542U Heat preservation ditch structure of railway tunnel
01/11/2012CN202105813U High-pressure flow combination type washing system
01/04/2012CN202100279U Anti-blocking device of goaf water discharging drill hole
01/04/2012CN102305102A Liquid level control system of coal mine shaft sump
01/04/2012CN102305097A Automatic water drainage slag remover in gas drainage
12/2011
12/28/2011CN202090948U 矿井瓦斯抽采管路气控自动排渣放水器 Mine gas drainage pipeline gas control automatic slagging turn on the water
12/28/2011CN202090947U Connecting device for shield drainage system and tunnel drainage system
12/28/2011CN102296989A 一种自动排渣放水器 An automatic slagging turn on the water
12/28/2011CN101915122B 地下大水矿山应急水仓的建设方法 Emergency flood water storage underground mine construction method
12/28/2011CN101858227B 下向抽放钻孔集中快速排水装置 Under the centralized rapid drainage drainage hole
12/21/2011CN202081909U 煤层气井排采时影响半径动态监测模拟装置 CBM wells radius of influence of dynamic monitoring of analog device when drainage
12/21/2011CN202081864U 矿井乏风和排水热能综合利用系统 VAM and drainage heat utilization system
12/21/2011CN102287231A 机械式气水自动分离测压装置 Mechanical automatic air-water separation manometry device
12/21/2011CN102287229A 一种矿用可移动救生舱 Ore with movable JiuShengCang
12/21/2011CN101699033B 煤层下向孔抽采排水装置 Under the coal seam gas drainage holes to drain
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