Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21C - Mining or quarrying › E21C 41 - Methods of underground or surface mining; Layouts therefor
Patents for E21C 41 - Methods of underground or surface mining; Layouts therefor (2,789)
07/2014
07/30/2014CN103953346A 一种无煤柱开采方法 A non-pillar mining method
07/30/2014CN103953345A 一种沿空小断面留巷开采方法 An empty left lane along a small section of the mining method
07/30/2014CN103953344A 一种下向进路分层胶结充填采矿法 Under one kind of layered approach to cement filling mining method
07/30/2014CN103953343A 一种对煤层坚硬顶板控制放顶的方法 Kind of hard roof caving method to control
07/30/2014CN103953339A 一种块煤开采用采煤机及煤层开采方法 One kind of lump coal and coal seam open method using shearer
07/24/2014US20140203621 System for controlling speed of travel in a longwall shearer
07/23/2014CN103939102A 一种固体充填回收露天矿终帮下压煤的采煤方法 A coal open-pit mining method of solid filling recovered under pressure to help end
07/23/2014CN103939101A 一种块煤开采方法 One kind of lump coal mining methods
07/23/2014CN103939100A 协同式交互采煤作业仿真系统及其方法 Collaborative interactive simulation system and method of mining operations
07/23/2014CN103939099A 一种强冲击危险煤层群冲击地压的防治方法 A strong shock hazard control methods seam group rockburst
07/17/2014WO2014109755A1 Continuous-extraction mining system
07/16/2014EP2753539A1 Pumping system
07/16/2014CN103924976A 一种露天复采过残煤区的方法 An open-air complex method of residual coal mining area over
07/16/2014CN103924975A 一种用于采煤过程中的保水方法 A mining process methods for water conservation
07/16/2014CN103924956A 一种块煤开采用超前预裂方法 One kind of lump open method of using advanced Presplit
07/16/2014CN102678167B 近距离煤层群水力压裂石门揭煤方法 Distance seam group method of hydraulic fracturing Cross Cut
07/09/2014CN103912280A 绳锯机齿盘切割轮 Wire saw cutting wheel chainring
07/09/2014CN103912278A 一种防止露天复采残煤时重型剥离设备倾倒和陷落的方法 An open-air complex when stripped of heavy residual coal mining equipment and the fall of methods to prevent the dumping
07/09/2014CN102704934B 适于大型地下矿山开采的嗣后充填采矿方法 Suitable for large-scale underground mining in the subsequent filling mining method
07/09/2014CN102619519B 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
07/09/2014CN102418525B 软煤层长壁大采高综合机械化采煤末采方法 Soft seam longwall mining height large mechanized coal mining method at the end of
07/08/2014US8770667 Mining methods and equipment
07/08/2014US8770373 Conveyor system for continuous surface mining
07/02/2014CN103899313A 一种井下t型巷道直角拐弯施工方法 A downhole t right angle bend roadway construction methods
07/02/2014CN103899312A 一种井下t型巷道直角拐弯施工方法 A downhole t right angle bend roadway construction methods
07/02/2014CN102203380B 用于处理分级矿石供料的方法和设备 Method and apparatus for processing a sized ore feed
06/2014
06/25/2014CN203669873U 适用于分段条块充填采矿法的矿体 Suitable for filling mining method segmented bar orebody
06/25/2014CN103883350A 一种间隔跳采的充填采煤方法 A method of filling coal mining jump interval
06/25/2014CN102758629B 一种钻孔弱化岩石使综采工作面直接过陷落柱的方法 Weakening of the rock for a drilled so mechanized mining face directly over the collapse column method
06/25/2014CN102337892B 一种上向进路充填法 One kind of the approach to filling method
06/19/2014WO2014090108A1 Solid-filling coal mining method with two pre-excavated tunnels for advancing
06/18/2014CN103161467B Horizontal moderately thick mine body compartment type filling mining method
06/18/2014CN102536241B Tilting ore body stoping process
06/12/2014WO2014086594A1 Arrangement and method for introducing heat into a geological formation by means of electromagnetic induction
06/11/2014EP2740894A1 Assembly and method for inserting heat into a geological formation by electromagnetic induction
06/11/2014CN203640754U 煤矿混合资源综合开采系统 Hybrid integrated coal mining system resources
06/11/2014CN203640737U 一种爆破法采煤专用装置 One kind of blasting coal mining special equipment
06/11/2014CN103850709A Structural filling method in underground mining
06/11/2014CN102926754B Two-tunneling bidirectional stripping two-step pre-support mining method
06/04/2014CN103842616A Finished-part track for an inclined conveyor system for mining trucks
06/04/2014CN103835722A Mining method for metallic ore distributed like plates
06/04/2014CN102733851B Control method for water-containing collapse columns in mining affected areas of combined reconstructed mines
05/2014
05/30/2014WO2014081761A1 Particles for uptake or sensing of oil and other applications, and related methods
05/29/2014US20140144342 Blasting method for beneficiating minerals
05/28/2014EP2734707A2 Finished-part track for an inclined conveyor system for mining trucks
05/28/2014CN103827445A 开采作业中的分选 Mining operations in the sorting
05/28/2014CN103821558A 煤矿采空区充填采矿系统及沿空留巷充填工艺 Goaf filling mining system and filling technology for Gob
05/28/2014CN103821516A 二次卸压防治冲击地压的方法 Secondary pressure relief method rockburst prevention
05/28/2014CN103821515A 一种对拉工作面充填采煤工艺 Kind of unit face filling mining process
05/21/2014CN103806914A 一种煤与瓦斯突出矿井采煤方法 One kind of coal and gas outburst coal mining method
05/21/2014CN102678124B 一种基于地下金属矿床开采的地表塌陷区回填方法 The method of surface subsidence zone backfill underground metal deposits based mining
05/14/2014CN103797136A 矿物燃料选矿方法及随后通过管线运输输送至用户 Fossil fuel beneficiation methods and subsequent transport by pipeline to transport users
05/14/2014CN103790590A 露天转地下矿山过渡期井下水患防治技术 The transition from open pit to underground mining of underground flood control techniques
05/14/2014CN103790589A 露天转地下矿山的一种过渡衔接开采技术 A transition from open pit to underground mining mining technology convergence
05/14/2014CN103790588A 一种缓倾斜矿体自溜采矿方法 One kind of slipped gently inclined ore since mining method
05/14/2014CN103790587A 一种防治露天转地下开采过渡期井下水患的方法 A transition from open pit to underground mining methods underground flood prevention
05/14/2014CN103790586A 一种长壁覆岩协调沉降保水采煤方法 A long-wall overlying rock mining methods for coordinating water conservation SETTLEMENT
05/08/2014WO2014070519A1 Mineral suspending agent, method of making, and use thereof
05/07/2014EP2726711A2 Extracting mined ore, minerals or other materials using sensor-based sorting
05/07/2014CN103781993A 用于含气且低渗透性的煤矿层的开采方法 Mining methods and low permeability gas for coal layer
05/07/2014CN103775086A 一种进路式空场嗣后充填采矿方法 A New Approach type stope mining method for subsequent filling
05/07/2014CN103775085A 急倾斜中厚煤层柔性掩护支架采掘一体支护无煤柱采煤方法 Steeply inclined Flexible Shield in thick seam mining without coal pillar supporting one of the mining methods
05/07/2014CN103775084A 大倾角、大采高综采设备过地质构造破碎带施工工艺 Large angle and high cutting mining equipment over geological fracture zone construction process
05/07/2014CN102444403B 缓倾斜矿体无底柱分段崩落法的垂直分区、组合放矿回采方法 Gently inclined orebody Sublevel caving vertical partitions, combination ore mining method
05/01/2014US20140117739 Mining Method for Gassy and Low Permeability Coal Seams
04/2014
04/30/2014EP2723986A2 Mining method for gassy and low permeability coal seams
04/30/2014CN203570313U Double-alley chain type stoping and filling arrangement structure
04/30/2014CN103758523A Building method of automatic moving frame constraint model on manless working face of thin seam
04/30/2014CN103758522A Temporary support method of tunneling working face and equipment thereof
04/30/2014CN103758521A Method for mining deep coal seam
04/30/2014CN103758520A Sharp inclined coal seam flexible shield support multi-step coal mining method
04/30/2014CN103758519A Thick and large mineral deposit stage subsequent filling method mining piecewise optimization design and implementation method
04/30/2014CN103758518A Combustible ice storage tank
04/30/2014CN102174891B Matching method for mechanized mining equipment
04/29/2014US8708422 Inherently safe in situ uranium recovery
04/23/2014CN103742171A Mining roadway coal pillar reinforcing method
04/23/2014CN103742151A Soil reconstruction method applied in technology of mining while rehabilitating
04/23/2014CN103742150A Process and equipment for continuously mining strip mine by slusher
04/23/2014CN103742149A Method for re-mining residual floor coal in fully-mechanized top coal caving face
04/23/2014CN103742148A Gangue-filling coal mining method for sharp inclined coal seam under flexible shield support
04/23/2014CN103742147A Coal mining technology by using continuous beam bridge type filling method
04/23/2014CN103742146A Coal mining technology by pier stud type filling method
04/23/2014CN103742145A Water control method for abnormal water-enriched region of coal mine
04/23/2014CN103742144A Ore loss and dilution control method and application thereof
04/23/2014CN101956555B Mining method with different stope structure parameter transition and application thereof
04/16/2014CN103726850A Open-pit mining method for triangular ore quantity between layered flat deposit strip areas
04/16/2014CN103726849A Stoping technology for thin coal seam outside pit bottom of open pit coal mine
04/16/2014CN103726848A Mining method applicable to recovery of gentle-inclined/inclined thin ore body
04/16/2014CN103726847A Downhole jade ore mining method
04/16/2014CN103726846A Coal mining method for upstream layered mining of super-thick/extreme-thick coal seam
04/16/2014CN103726845A Special device used in explosive mining method
04/16/2014CN103726844A Automatic coal mining method based on coal mining work surface
04/16/2014CN103264015B Gravity screening winze device and construction method thereof
04/16/2014CN102817366B Prevention and treatment method for full-mechanized caving mining collapse trap area water disaster for shallow-buried ultra-thick coal seam
04/16/2014CN102777182B Rapid end extracting method of large mining height working face
04/09/2014CN203531911U Stope roof caving space filling equipment
04/09/2014CN103711489A Mining method of basin-shaped ore block in low vein
04/09/2014CN103711488A Traction mining method for preventing and disposing leakages or cavities
04/09/2014CN102606159B Medium thick heavy-pitch crushed ore body frame type artificial top downward segmenting cemented filling method
04/09/2014CN102465704B Sill pillar-less sublevel caving method for inclined medium-thickness ore body
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