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)
10/2010
10/20/2010CN201610764U 煤矿采空区充填系统 Goaf filling system
10/20/2010CN101864989A Sylvite goaf filling method
10/20/2010CN101864988A Potash salt ore goaf filling method
10/20/2010CN101864987A Building method of filled wall body for gob-side entry retaining of large-inclination coal seam
10/20/2010CN101864956A Sectional coal pillar-free exploitation method
10/13/2010CN201606112U 300立方米搅拌型高水膨胀材料充填成套装置 300 cubic meters of water swelling material agitating type filling sets of devices
10/13/2010CN201606111U 一种矸石井下破碎泵送充填系统 One kind of crushed waste rock underground pumping filling system
10/13/2010CN201606089U 支护充填一体化液压支架 Supporting the integration of hydraulic support filling
10/13/2010CN201606088U 用于充填支架的夯实机构 Compaction mechanism for filling the bracket
10/13/2010CN101858226A Explosion proof and suppression method for wave and energy absorption
10/13/2010CN101858217A House pillar changeable panel upward demix filling mining method
10/13/2010CN101858215A Road retained method for extrusion molding of waste rock
09/2010
09/29/2010CN201593448U Mining movable ladle tumbler
09/29/2010CN201593447U Belt conveyor multiple-spot side-dumping device for filling
09/29/2010CN101845966A Process for filling coal mine goaf
09/29/2010CN101845965A Pressure discharge method for anti-blocking chamber of feeding well
09/22/2010CN201588654U Novel paste body filling simulated test system
09/22/2010CN201588653U Simulation test system for filling ointment into loop pipe
09/22/2010CN201587031U Automatic mixing device for ointment filling system
09/22/2010CN101839146A Coal mine gob filling system
09/15/2010CN201581926U Floating type dust-proof tension device for bottom of rotary tray type vertical feeding system
09/15/2010CN201581925U Connecting device for pallet and steel wire rope in pallet type feeding system
09/08/2010CN1782326B Method for treating waste rock in coal mine
09/08/2010CN101824985A Non-coal pillar mining method of protective coal pillars in coal mine
09/01/2010CN201568083U Gob-side entry retaining filling wall structure
09/01/2010CN201568082U Roof-contacted structure of gob-side entry retaining filling wall
09/01/2010CN101818651A Gangue filling device for goaf
09/01/2010CN101818648A Roadside extrusion forming template filled by gangue
09/01/2010CN101818643A Stepped non-pillar continuous filling mining method for deep well super high large breaking ore body panel
09/01/2010CN101457651B Filling stack advanced support method along empty tunnel in coal-gas co-milling Y-shaped ventilating system
09/01/2010CN101021161B Method for backfilling goaf and supporting roof
08/2010
08/25/2010CN201560800U Waste rock conveying device
08/25/2010CN201560799U Waste rock pushing and filling device
08/25/2010CN201560798U Horizontal directional drilling machine framework
08/25/2010CN101812988A Method for mining gently dipping to steep dipping thick and large ore bodies
08/18/2010CN201554495U Tray type vertical continuous solid material feeding system
08/18/2010CN201554493U Quick water-retaining wall in mine
08/18/2010CN201554482U Hexagonal support type coal mining and filling hydraulic support
08/18/2010CN201554481U Filling supporting hydraulic support
08/18/2010CN101806227A Gangue pushing machine for filing gangue in mined-out area
08/18/2010CN101806226A Mined out space dam-type filling method
08/18/2010CN101806216A Sandy soil backfill type coal mining method
08/11/2010CN101372891B Strip filling integral backstopping coal mining method
08/04/2010CN201539278U Filling formwork support
08/04/2010CN101793164A Device for compacting filled materials in coal mining goaf
08/04/2010CN101793163A Guide rail type independent double semicircle well structure
08/04/2010CN101793159A Dam-type filling hydraulic bracket in mined-out region
08/04/2010CN101793157A Method for supporting filling body
08/04/2010CN101792291A High-water expansion filling material
07/2010
07/28/2010CN101786854A Tailing cementing material
07/14/2010CN201526341U Long-distance colloid slurry filling device
07/14/2010CN101775995A Floating dust-proof tensioning device for bottom of rotary tray-type vertical feeding system
07/14/2010CN101775994A Tray used for vertically continuous delivery of solid material
07/14/2010CN101775987A Zero spacing construction method for overlapping part of upper main tunnel and lower main tunnel of underground overpass
07/14/2010CN101775985A Deeply buried iron mineral resource underground mining and concentrating integration system
07/07/2010CN101769163A Guide slideway mechanism for rotary-tray type feeding system
07/07/2010CN101769162A Tray and steel wire rope connecting device for tray type throwing system
07/07/2010CN101008315B Paste-like backfill technology used in coal cutting area
06/2010
06/30/2010CN201517424U Adhesive solid material big falling deep block-resistant transmission equipment
06/30/2010CN101761357A Mine mobile ladle tumbler
06/30/2010CN101761356A Multi-point side-discharging device of filling belt conveyer
06/30/2010CN101761340A Middle-waisted bidirectional filling and mining method under canopy guard in thick and great metal mine in sea bed
06/30/2010CN101761338A Gob-side entry retaining method of a solid filling coal mining half-section one-leg shed
06/23/2010CN201513190U Front support of stowing hydraulic support
06/23/2010CN201513189U Rear support of stowing hydraulic support
06/23/2010CN101749047A Paste filling simulation test system
06/23/2010CN101749020A Forward coal mining by filling method
06/23/2010CN101749019A Method for forming artificial ore pillar and mining method
06/16/2010CN101737080A Tray type solid material vertical and continuous delivery system
06/16/2010CN101737079A Structure and method for reinforcing walls filled in gob-side retained tunnel by arranging three-dimensional reinforcing ribs in walls
06/16/2010CN101737078A Structure and method for preventing filled wall bodies of gob-side retained entries from sliding
06/16/2010CN101737068A Method for substituting reconstructed gangue bearing body for roadway protection coal post
06/16/2010CN101737052A Sublevel fill-mining method
06/09/2010CN101725368A Thick seam large mining height working face gob-side entry retaining method
06/09/2010CN101725365A Hexastyle supporting type coal mining and filling hydraulic bracket
06/09/2010CN101725352A Method for filling solid and fully mechanizing and recovering room type coal pillar
06/09/2010CN101725351A Filling stope pillar recovery mining method
06/09/2010CN101725348A Pre-control roof open stoping spallation subsequent filling mining method
06/02/2010CN201496102U Wind power attal filling system of goaf of coal mine
06/02/2010CN201496101U Thin coal seam filling gangue flinging machine with electric drum
05/2010
05/19/2010CN101709645A Method for locally taking soil to reclaim mining subsidence areas of thick coal seams of mining areas
05/12/2010CN201460940U Filling and timbering hydraulic support with tamping mechanism
05/12/2010CN201460939U Filling and timbering hydraulic support with a tamping mechanism
05/12/2010CN201454740U Manual rapid airtight spraying machine used for colliery
05/12/2010CN101705838A Separate type filling method of goaf
05/05/2010CN201448122U High-pressure rich-water filling solution cavity advanced boring device
05/05/2010CN201448121U Tailing drain device
05/05/2010CN101701527A Goaf open-type packing method
05/05/2010CN101701526A Goaf bag-type packing method
04/2010
04/21/2010CN101289943B Adjustable type hydraulic formwork
04/14/2010EP2175102A2 Method, vehicle and system for filling an underground cavity
04/14/2010CN101451440B Control method and control device for controlling auxiliary material and water addition to tailings
04/07/2010CN101265808B Coal mine conjuncted asynchronous bracket filled block wall
03/2010
03/31/2010CN201433777Y Gob-side entry retaining work die holder
03/25/2010DE102008048240A1 Waste material stowing method, involves pumping suspension enriched with granulates into mining hollow space provided for filling-collecting and recovering of mine brine, where density of granulates corresponds to density of suspension
03/24/2010CN201428476Y Rotational air current type concrete dry-delivery wet shotcreting machine
03/24/2010CN201428475Y External spiral air current generator
03/17/2010CN201424960Y Rise type centralized waste filling system
03/17/2010CN201424959Y Diphead type centralized waste filling system
03/17/2010CN201424944Y Mine injection lane sliding mould
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