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 15 - Methods or devices for placing filling-up materials in underground workings
Patents for E21F 15 - Methods or devices for placing filling-up materials in underground workings (1,589)
07/2014
07/02/2014CN203685286U 充填模板支护式悬移支架 Filling style template support Suspended support
07/02/2014CN103899354A 一种煤矸石的气裹输送与充填系统 Coal gangue and filling gas delivery system wrapped
07/02/2014CN103899353A 一种用矿山洗选尾矿充填采空区的装置及方法 An apparatus and method for washing mine tailings filled with goaf
07/02/2014CN103899352A 煤炭开采中固体充填充实率设计及控制方法 Coal mining in the solid filling adequacy ratio design and control methods
07/02/2014CN103899351A 一种处理复杂采空区的充填加固方法 Filling reinforcement method of handling complex goaf
07/02/2014CN103894094A 小型气体搅拌器 Small gas blender
07/02/2014CN103894093A 小型气体搅拌器 Small gas blender
07/02/2014CN102678173B 沿空留巷巷旁高强防漏充填结构及其施工方法 Gob - high strength and leak-filled alley next to the structure and its construction method
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
06/25/2014CN203667483U 可调式抛矸皮带机 Adjustable belt throwing Refuse
06/25/2014CN103883350A 一种间隔跳采的充填采煤方法 A method of filling coal mining jump interval
06/25/2014CN102887693B 矿用充填固结粉及其用途 Mine Consolidation powder filling their uses
06/25/2014CN102562146B 盾构过空推段施工空隙填充方法和装置 Push segment Shield empty void filling method and apparatus construction
06/25/2014CN102337892B 一种上向进路充填法 One kind of the approach to filling method
06/18/2014CN203655351U 一种煤矿膏体充填开采的摆动式隔离装置 Swing isolation apparatus coal mining paste filling
06/18/2014CN203655350U 一种工作面过切眼的装置 Cut one kind of device Face Crossing
06/18/2014CN203655332U 一种伸缩隔离式煤矿充填悬移支架 Isolated on a Telescopic mine filling Suspended support
06/18/2014CN203655331U 一种用于煤矿膏体充填开采的液压支架 A coal mining paste filling hydraulic support
06/18/2014CN203655316U 一种煤矿充填支架的顶部隔离装置 On top of a coal filling isolator bracket
06/18/2014CN103867228A Tailing paste filling device
06/18/2014CN103161467B Horizontal moderately thick mine body compartment type filling mining method
06/18/2014CN102536317B Device and process for filling aggregate into stratum cavities through surface drilling
06/12/2014WO2014086296A1 Method of local filling to control surface subsidence in gob
06/11/2014CN103850709A Structural filling method in underground mining
06/11/2014CN103850708A Method for performing gob-side entry retaining through concrete filling body
06/11/2014CN102926754B Two-tunneling bidirectional stripping two-step pre-support mining method
06/04/2014CN102444420B Dragging tube type filling method of thin coal bed fractured roof
05/2014
05/28/2014CN203614129U 一种井下废石混凝土制备及泵送充填系统 A downhole pumping waste rock concrete preparation and filling system
05/28/2014CN203614127U 一种透气性充填钻孔可回收护孔套管 A permeable adhesive filling holes drilled recyclable retaining sleeve
05/28/2014CN103821560A 一种真空制盐副产品石膏的处理方法 A vacuum salt byproduct gypsum processing method
05/28/2014CN103821559A 模袋式快速成型密闭挡墙 Rapid Prototyping closed mold bag retaining wall
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
05/28/2014CN103821515A 一种对拉工作面充填采煤工艺 Kind of unit face filling mining process
05/21/2014CN103806938A 用于充填采矿中固定充填体的构架及搭建方法 Filling the frame fixed for mining backfill and build methods
05/21/2014CN102815963B 一种高水微胀充填材料组合物 A high-water micro-expansion filler material composition
05/14/2014CN203594473U 一种防止投料竖井堵塞的自动监测控制装置 A method of preventing clogging of the feeding shaft automatic monitoring control device
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
05/07/2014CN103775116A 一种采空区袋式充填悬移支架 One kind of bag filling goaf Suspended support
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
05/07/2014CN102155259B 一种利用掘进废石构筑充填挡墙及其构筑方法 A use of waste rock excavation and build a retaining wall constructed filling method
04/2014
04/30/2014CN203570351U Supporting device for low coal seam comprehensive mechanized remained gateway along goaf
04/30/2014CN203570347U Limiting slide-type skylight-opened middle groove
04/30/2014CN203570313U Double-alley chain type stoping and filling arrangement structure
04/30/2014CN103758569A Cracked roof caving region grouting filling system
04/30/2014CN103758568A Opencast coal mine end slope filling mining method
04/30/2014CN103758567A Cracked roof caving region grouting filling method
04/30/2014CN103758566A Filling method of combustible ice hollow area
04/30/2014CN103758519A Thick and large mineral deposit stage subsequent filling method mining piecewise optimization design and implementation method
04/23/2014CN203559927U Head of filling conveyor
04/23/2014CN103742193A Mounting method for hydraulic filling soft strainer pipe in mined-out area
04/23/2014CN103742190A Slurry vacuum bag multi-point synchronization filling device and filling technology
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
04/23/2014CN102536316B Multiplayer paste-filling simulation-testing method
04/23/2014CN102536315B Filling method of potash mine goaf
04/16/2014CN203547793U Automatic washing system of dual-redundancy paste filling pipeline
04/16/2014CN203547792U Paste filling bag for coal mine
04/16/2014CN203547790U Machine head of filling conveyor
04/16/2014CN102587973B Method for protecting high-stress ore pillars by aid of pressure relief precrack
04/16/2014CN102434202B Gob-side entry retaining double-layer sliding die filling system
04/16/2014CN102155258B Self-advancing transfer belt conveyor
04/09/2014CN203531957U Speeded-up separating wall for drift filling
04/09/2014CN203531956U Suspension type recyclable filling retaining wall for downward drift method
04/09/2014CN203531955U Gob-side entry retaining three-dimensional reinforced filling wall body structure
04/09/2014CN203531913U Treatment device for deepwater tailing sintering layer
04/09/2014CN203531911U Stope roof caving space filling equipment
04/09/2014CN103711518A Portable mine filling retaining wall
04/09/2014CN103011742B Actively-pressing high-swelling pasty filling material
04/09/2014CN102606159B Medium thick heavy-pitch crushed ore body frame type artificial top downward segmenting cemented filling method
04/09/2014CN102562147B Simulation test system for multilayer filling of paste
04/08/2014CA2735355C Method and means for recovering hydrocarbons from oil sands by underground mining
04/02/2014EP2713006A1 Technology and equipment for separating coal and gangue and refilling gangue.
04/02/2014CN103696803A Tailing cemented and filled retaining wall device under mine
04/02/2014CN103696802A Gob-side entry retaining lane-side filling device and method of using same to construct lane-side filler
04/02/2014CN103696771A Skip-mining type wangeviry stope branch roadway filling and coal mining method
04/02/2014CN102773142B Anshan type lean magnetite underground ore dressing and filling method
03/2014
03/26/2014CN203499725U Filling slurry stope height accurate indicator
03/26/2014CN203499723U Material pushing mechanism for hydraulic support for comprehensively and mechanically filling a coalface
03/26/2014CN103670508A Swing type isolating device for coal mine paste filling exploitation and isolating method
03/26/2014CN103670507A Method for determining width of gob gangue-filled zone of steeply inclined fully mechanized mining face
03/26/2014CN103670418A Back extraction method capable of improving technical indexes of gentle dip medium thick ore bodies
03/26/2014CN102562065B Sublevel open-stop and delayed filling mining method
03/19/2014CN103643992A Filling method for mining
03/19/2014CN103643991A Paste filling fully-mechanized coal mining device and method for support matching template
03/19/2014CN102493840B Method for filling underground spaces and system for filling underground spaces
03/12/2014CN203476392U Soft framework bag for coal mine gob-side entry retaining
03/12/2014CN203476391U Filling sealing device
03/12/2014CN203476390U High-water filling bag for coal mine
03/12/2014CN103628913A Automatic cleaning system and method of dual-redundancy paste filling pipes
03/12/2014CN103628912A Goaf management filling grouting construction method
03/12/2014CN103628911A Fully-mechanized coal mining/ caving working face sectional type gob-side entry retaining method
03/12/2014CN103628878A Crushed surrounding rock ore downward drift layered sublevel-free tunnel filling mining method
03/12/2014CN103628877A Multilayer gentle dip thin-medium ore deposit filling and mining method
03/12/2014CN102444418B Device for filling roadway
03/05/2014CN103615285A Stope route arrangement mode and method beneficial to roof-contacted filling
03/05/2014CN103615250A Subsection-studding all-open-stoping backfilling collaborative mining method
03/05/2014CN103612329A Filling paste preparation automatic-control system and control method thereof
03/05/2014CN102322291B Filling method for reducing on way resistance losses of paste-like slurry
03/05/2014CN102296988B Paste gravity filling simulation test device
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