| Patents for E21F 16 - Drainage (1,138) |
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| 02/11/2015 | CN204152552U 一种用于煤矿瓦斯抽放管路的负压自动放水装置 A suction pipe for coal mine gas drainage automatic drainage device |
| 02/11/2015 | CN204152516U 一种立井施工滑动柔性截水槽装置 Flexible Shaft Construction slide cut one kind of sink devices |
| 02/11/2015 | CN103216641B 集成旁通二位五通负压放水阀 Integrated bypass two five-vacuum release valve |
| 02/04/2015 | CN204140125U 公路隧道中倒凸字型整体中心排水沟装置 Highway tunnel down the center of the convex-shaped gutter system as a whole |
| 02/04/2015 | CN204140124U 吊挂式高分子立体防排水板 Hanging dimensional polymer waterproofing and drainage board |
| 02/04/2015 | CN204140123U 一种矿井排水自动控制系统 Automatic control system in mine drainage |
| 02/04/2015 | CN204140122U 油井排水装置 Drainage wells |
| 02/04/2015 | CN204139227U 气搅泵送引流式矿井水仓清淤机 Stir mine gas drainage pumping water dredging machine warehouse |
| 02/04/2015 | CN104329118A 公路隧道中倒凸字型整体中心排水沟装置 Highway tunnel down the center of the convex-shaped gutter system as a whole |
| 02/04/2015 | CN103089301B 一种竖井内地下水疏堵结合的注浆加固施工工艺 Groundwater within a shaft combining guidance of grouting reinforcement construction technology |
| 02/04/2015 | CN102808651B 瓦斯抽采系统的自动放水装置 Gas drainage system of automatic drainage device |
| 01/29/2015 | WO2015010461A1 Fissured substrata water pumping apparatus and method |
| 01/28/2015 | CN204126666U 煤矿瓦斯抽采管路排水及煤泥煤渣的装置 CMM device mining drainage pipes and slime cinder |
| 01/28/2015 | CN102562151B 滤水充填井 Filling treatment well |
| 01/14/2015 | CN204098955U 一种气动式自动排渣放水器 One kind of pneumatic automatic slagging turn on the water |
| 01/14/2015 | CN204098937U 隧道变形缝防水结构及隧道施工结构 Deformation waterproof structure and tunnel construction tunnel construction |
| 01/14/2015 | CN204098936U 导流槽式高强韧性球铁隧道壁板 High strength and toughness of ductile iron trough diversion tunnel wall |
| 01/07/2015 | CN204082211U 排水装置及隧道排水系统 Drainage and tunnel drainage systems |
| 01/07/2015 | CN204082210U 一种用于井下巷道涌水点疏水装置 An underground tunnel gushing point hydrophobic means for |
| 01/07/2015 | CN204082176U 一种用于隧道的中埋式排水止水带 A drainage tunnel in the buried water stop |
| 01/07/2015 | CN204081040U 地漏和沉砂池 Drain and grit chamber |
| 01/07/2015 | CN204080787U 一种可更换仰斜排水孔结构 An exchangeable Inclined drainage hole structure |
| 01/07/2015 | CN104265367A 盐穴储气库腔底连通排水方法 Salt cavern gas storage chamber bottom drainage connectivity method |
| 01/07/2015 | CN104265363A 一种用于井下巷道涌水点疏水装置 An underground tunnel gushing point hydrophobic means for |
| 01/07/2015 | CN104265362A 砂岩含水层水解吸方法 Sandstone aquifer water desorption method |
| 01/07/2015 | CN104265303A 一种富水泥质弱胶结粉细砂岩隧道施工方法 One kind of rich cementitious powder weakly cemented fine sandstone tunnel construction method |
| 01/07/2015 | CN102926770B 薄基岩、厚松散砂层富水区域井下疏水注浆工艺 Thin Bedrock, thick loose sand underground water-rich regions of hydrophobic grouting process |
| 12/31/2014 | CN204060786U 水泵悬浮移动装置 Pump suspended mobile devices |
| 12/31/2014 | CN204060785U 自动排水装置 Automatic drainage |
| 12/31/2014 | CN204060784U 一种井下供风管道冷凝水自动排放装置 A downhole supply duct condensate automatic discharge device |
| 12/31/2014 | CN204060708U 边仰坡联合支护隧道洞门结构 Combined Support of slope tunnel portal structure |
| 12/24/2014 | CN204041113U 一种便于观察隧道结晶的排水系统 An observation of the tunnel drainage system to facilitate crystallization |
| 12/24/2014 | CN204041112U 隧道排水管道自动除结晶结构 In addition to the sewer tunnel automatically crystalline structure |
| 12/24/2014 | CN204041111U 隧道排水结构 Tunnel drainage structures |
| 12/24/2014 | CN204041110U 一种流体变速除结晶的隧道排水结构 A fluid speed in addition to the crystalline structure of the drainage tunnel |
| 12/24/2014 | CN204041109U 煤矿井下巷道渗水收集装置 Coal mine tunnel seepage collection device |
| 12/24/2014 | CN204041108U 煤矿采区轨道下山掘进自动化排水系统 Heading down the track coal mining area drainage system automation |
| 12/17/2014 | CN204024711U 矿井水仓进水量在线监测装置 Mine water compartment into the water-line monitoring devices |
| 12/17/2014 | CN204024710U 矿山井下排水百米吨水电耗在线监测装置 T one hundred meters underground mine drainage water and electricity consumption online monitoring device |
| 12/17/2014 | CN204024707U 一种尾水隧洞施工支洞排水结构 One kind of tailrace tunnel adit drainage structures |
| 12/17/2014 | CN204024706U 用于小型矿山露天采场的排水装置 For drainage of a small open pit mine |
| 12/17/2014 | CN204024705U 玻璃钢渗漏集水斗及其安装结构 FRP leakage set its mounting structure Pelton |
| 12/17/2014 | CN204024704U 一种矿井应急排水系统 Emergency drainage system in mine |
| 12/17/2014 | CN204024699U 瓦斯抽放管路排水除淹装置 In addition to the gas drainage pipeline flooded drainage device |
| 12/17/2014 | CN204023626U 一种止水带 One kind of water stop |
| 12/17/2014 | CN104213922A 隧道穿越富水地层下导坑超前排水增稳的短台阶施工方法 Tunnel through water-rich formations under the heading advance augmentation of short steps drainage construction methods |
| 12/17/2014 | CN103147794B 负压抽气吸水式强化疏干机 Strengthen water suction vacuum suction dewatering machine |
| 12/10/2014 | CN204002923U 下盘运输大巷排水装置 Footwall Transportation Roadway drainage |
| 12/10/2014 | CN204002922U 一种矿用可折叠式临时移动水窝槽 Ore with foldable temporary mobile water socket |
| 12/10/2014 | CN204002921U 井下轨道智能抽水系统 Intelligent pumping underground rail system |
| 12/10/2014 | CN204002920U 一体化抽水送风控制系统 Integrated pumping air control system |
| 12/10/2014 | CN204002919U 漂浮式潜水泵组件 Floating submersible pump assembly |
| 12/10/2014 | CN204002852U 一种公路隧道整体移动式水沟电缆槽施工模板系统 One kind of highway tunnels overall mobile ditch cable trough formwork system |
| 12/10/2014 | CN104196565A 隧道排水管道自动除结晶结构及具有该结构的隧道排水系统 In addition to the automatic tunnel drains crystal structure and tunnel drainage system has the structure |
| 12/10/2014 | CN104196564A 一种隧道排水系统及其结晶堵塞的处理方法 A tunnel drainage system and clogged crystallization treatment |
| 12/10/2014 | CN104196563A 一种流体变速除结晶的隧道排水结构 A fluid speed in addition to the crystalline structure of the drainage tunnel |
| 12/10/2014 | CN104196562A 隧道限量排放的排水结构及具有该结构的隧道排水系统 Drainage structures limit emissions tunnel and tunnel drainage system has the structure |
| 12/10/2014 | CN104196558A 一种煤矿密闭巷道快速安全瓦斯排放方法 One kind of mine roadway closed fast and secure method of gas emissions |
| 12/10/2014 | CN102943691B 大水煤矿井底水仓减少淤煤泥的方法 Shaft Sump reduce coal mine flood silt slurry method |
| 12/10/2014 | CN102926803B 复杂水文条件下水、煤同采的排水方法 Water complex hydrological conditions, with coal mining drainage method |
| 12/10/2014 | CN102926802B 利用煤矿井下泄水巷减少淤煤的方法 Reduce the use of coal mine roadway silt discharge method of coal |
| 10/09/2014 | WO2014163538A1 Shielded draining pipe mesh |
| 09/12/2014 | WO2014136132A1 Suction system for flammable or polluting liquids |
| 08/13/2014 | CN203769850U 一种矿井用排水装置 Use in mine drainage |
| 08/13/2014 | CN103982239A 地下工程积水综合排放系统 Integrated water drainage system of underground works |
| 08/13/2014 | CN103982238A 煤矿探放水控水装置 Mine exploration drainage and water control devices |
| 08/13/2014 | CN102278142B 真空轻型井点降水方法 Vacuum Light dewatering methods |
| 08/06/2014 | CN203756235U 一种隧道侧向排水装置 A tunneling lateral drainage |
| 08/06/2014 | CN203756234U 尾砂胶结充填脱排水装置 Tailings backfill drainage off |
| 08/06/2014 | CN203756233U 井下巷道工字钢过路水沟 Underground tunnel beam crossing the ditch |
| 08/06/2014 | CN203756232U 一种井筒集水槽 One kind of wellbore sump |
| 08/06/2014 | CN203756220U 一种瓦斯管路除尘器 One kind of gas pipeline dust |
| 08/06/2014 | CN103967520A 一种煤矿瓦斯抽采管路高效自动放水器 One kind of coal mine gas drainage pipeline efficient automatic turn on the water |
| 08/06/2014 | CN103967513A 瓦斯抽采管放水器 Gas drainage tube drainage device |
| 07/30/2014 | CN203742662U 瓦斯抽采孔放水用接头装置 Gas drainage hole drainage device with joint |
| 07/30/2014 | CN203742661U 一种用于矿井下瓦斯抽放管道的排渣水装置 A mine gas drainage pipes under water apparatus for slagging |
| 07/30/2014 | CN203742657U 瓦斯抽放排渣放水器 Gas drainage slagging turn on the water |
| 07/30/2014 | CN203742623U 隧道复合抗水压结构 Anti-tunnel complex hydraulic structures |
| 07/30/2014 | CN103953391A 一种矿井高温涌水治理方法 Temperature control method gushing mine |
| 07/30/2014 | CN102628372B 一种基于工程控制措施的水下隧道最小埋深确定方法 Based on engineering control measures underwater tunnel method for determining the minimum depth |
| 07/23/2014 | CN203733077U 一种应用于煤矿井下自动化排水系统的无线鼠标 Applied to coal mine drainage systems automation wireless mouse |
| 07/23/2014 | CN203730072U 一种移动水仓式掘进巷道持续排水装置 A mobile water continued Bunker roadway drainage |
| 07/23/2014 | CN203730071U 磁铁式集气、自动放水装置 Magnet gas gathering, automatic drainage device |
| 07/23/2014 | CN103939142A 水压可控式隧道排水系统及其水压控制装置 Controllable hydraulic tunnel drainage system and hydraulic control device |
| 07/23/2014 | CN103939141A 隧道排水沟防冻系统 Tunnel drains antifreeze system |
| 07/23/2014 | CN103939109A 与隧道隔离的永久封堵斜井结构 Permanent closure and isolation inclined tunnel structure |
| 07/16/2014 | CN203717375U 一种煤矿用隔爆型潜水电泵 One kind of mine flameproof submersible pump |
| 07/16/2014 | CN103925202A 煤矿用积水抽排孔底泵 Mine water drainage hole bottom pump |
| 07/16/2014 | CN103924998A 正压风管路放水排垢装置 Positive pressure air duct drainage discharge scale devices |
| 07/16/2014 | CN103924625A 抽挖双用煤矿水仓清挖机 Pumping mine water sump with double digging dredging machine |
| 07/09/2014 | CN203702250U 大断面富水饱和粉细砂隧道降排水系统 Large section of rich silty sand saturated with water down the tunnel drainage system |
| 07/09/2014 | CN203702249U 一种带横杆皮带式水沟 A tape crossbar belt-type gutter |
| 07/09/2014 | CN103912309A 主动式大流量放水装置 Active high flow drainage system |
| 07/09/2014 | CN103912303A 一种全自动搅拌式排渣放水器 A fully automatic stirring slagging turn on the water |
| 07/09/2014 | CN102619519B 无底柱垂直端壁阶段崩落法控制矿岩流动性的放矿工艺 Pillarless stage vertical end walls caving in controlling mineral ore rock liquidity craft |
| 07/09/2014 | CN102518470B 环形截水巷处理冻结管防治水方法 Circular cut Roadway deal to freeze water pipes prevention methods |
| 07/02/2014 | CN203685553U 一种煤层气井防卡可投捞排水泵 One kind of anti-card CBM wells can cast fishing drain pump |
| 07/02/2014 | CN203685290U 一种富水隧洞超前长距离大口径降水通道 A water tunnel leading large-caliber long-range precipitation rich channel |
| 07/02/2014 | CN203685289U 一种高海拔严寒富水隧道永临结合的防冻排水结构 Antifreeze drainage structure of a high altitude water tunnel Wing Pro 严寒富 combination |
| 07/02/2014 | CN203685288U 一种煤矿井下探放水钻孔控水装置 One kind of coal mine exploration drilling drainage and water control devices |