Patents
Patents for E21F 5 - Means or methods for preventing, binding, depositing or removing dust; Preventing explosions or fires (2,735)
06/2013
06/19/2013CN203008955U Mine wall dust flusher with linkage of air and water
06/19/2013CN203008954U Ground remote control comprehensive explosion-proof dust collector
06/19/2013CN203008953U Device for automatically adding water into explosive-proof water groove
06/19/2013CN203008952U Self-pressurization type fire extinguishing equipment of liquid carbon dioxide low-temperature storage tank
06/19/2013CN103161491A Dedusting purification system of fully mechanized excavation face roadway
06/19/2013CN103161490A Method of preventing coal from catching fire and quenching fire in natural fire region through chemical reaction by means of high pressure nozzle nebulization
06/12/2013CN202995317U A mine-used explosion-isolating dust-eliminating controller
06/12/2013CN202992334U Mining electric ball valve
06/12/2013CN202991109U Anti-explosion anti-backfire device
06/12/2013CN202991108U Automatic water spraying and dust falling device for mine
06/12/2013CN202991107U Automatic water spraying dust-settling device of fully mechanized coal mining working face
06/12/2013CN202991106U Drilling spraying dust-removing device
06/12/2013CN202991105U Roadway spraying device
06/12/2013CN202991104U Mine water injection expanding device
06/12/2013CN202991103U Simple watering device for underground explosion-proof water bags
06/12/2013CN202991102U Carrying car for dust collector
06/12/2013CN202991046U Mine automatic watering and dust removal device
06/12/2013CN202983970U Vibration-proof ball joint
06/12/2013CN103147795A Fire monitoring and handling system for underground coal mine
06/12/2013CN103147787A Wind-water linked spray and aspirating device
06/12/2013CN103147786A Method for realizing chemical reaction to prevent coal fight catching and to extinguish fire on digging work surface by using high-pressure inert gas atomization
06/12/2013CN103147785A Method for preventing coal ignition and extinguishing fire through chemical reaction achieved by high-pressure insert gas atomization in spontaneous ignition area
06/12/2013CN103147784A Method for preventing coal ignition and extinguishing fire through chemical reaction achieved by high frequency oscillation in spontaneous ignition area
06/12/2013CN102125901B Compressed-air automatic spraying device and system
06/05/2013CN202970763U Automatic water guiding explosion suppression water bag with roof water tank of coal mine
06/05/2013CN202970762U Coal mine tunnel spray and aspirating device
06/05/2013CN202970761U Under well bilateral control dustproof water curtain device
06/05/2013CN202970760U Lifting water curtain device
06/05/2013CN202970759U Mining efficient dustproof spraying device
06/05/2013CN202970758U Hole packer used for crushing coal bed
06/05/2013CN202970757U Dust-proof mat with gasbag structure
06/05/2013CN103133030A Anti-explosion and heat-insulating structure of mine rescue capsule
06/05/2013CN103133027A Fireproofing and gas explosion-proof technology used during easy self-ignition coal seam working face removing and sealing periods
06/05/2013CN102278133B Individual overflow water seal fire relief and explosion release device
05/2013
05/29/2013DE10334600B4 Nass- oder Trockenentstauber in Kurzbauform Wet or dry dust in short form
05/29/2013CN202954838U Mining automatic powder-injection explosion-suppression system
05/29/2013CN202954837U Underground dustproof spraying device
05/29/2013CN202954836U Main roadway long distance whole section spraying device
05/29/2013CN202954835U Bridge type mist spraying water and electricity blocking device
05/29/2013CN202954834U Control device of water injection swelling machine for mine
05/29/2013CN202954833U Carbon dioxide and colloid integrated fire-extinguishing device
05/22/2013CN202946187U Inflatable smoke-discharging and dust-removing isolation cover for tunnel vertical well construction
05/22/2013CN202946186U Recirculating air dust removing device for fully mechanized excavation face of coal mine
05/22/2013CN202946185U Dedusting system of shotcrete machine
05/22/2013CN202946184U Novel external spraying device of thin-seam coal mining machine
05/22/2013CN202946183U Inhibitor spraying device
05/22/2013CN103114873A Smoke-abatement and dust-extraction ground material collecting conveyor
05/22/2013CN103114869A Device for suppressing gas explosion and application method for device
05/22/2013CN103111215A Fire preventing and extinguishing foam generator
05/22/2013CN102269009B Ultra-micro magnetized foam drilling dust remover
05/15/2013CN202937295U Mine underground coal spontaneous combustion preventing and quick fire distinguishing device
05/15/2013CN202937294U Inert gas antiaircraft gun explosion-resistant device for mine
05/15/2013CN103104281A Novel mine dust removal fan
05/15/2013CN103104280A Underground coal mine dust collecting device
05/15/2013CN103104215A Deep drilling compression and sealing device
05/15/2013CN102322285B Coal seam water infusion device with high ground pressure, low porosity and low permeability and using process thereof
05/10/2013WO2013067373A1 Method of extinguishing underground electrical fires
05/08/2013CN202926383U Hydroelectric power lockout device
05/08/2013CN202926377U Transferring point air-control atomizing device
05/08/2013CN202926376U Spray dust suppression system
05/08/2013CN202926375U Dust fall and spraying device
05/08/2013CN202926374U Closed type purification dust remover
05/08/2013CN202926373U Orifice deduster
05/08/2013CN202926372U Orifice deduster
05/08/2013CN202926371U Gas explosion suppression device controller
05/08/2013CN202921184U Mining foam generator
05/08/2013CN103089292A Water supply pipe overpressure relieving and spraying device
05/08/2013CN103089291A Coal mine dust pollution evaluation and spraying dedusting linkage system based on images
05/08/2013CN103089290A Self-pressurizing type fire fighting device of liquid carbon dioxide low-temperature storage tank
05/08/2013CN103084022A Self-absorption air type cyclone foaming device for dust removal of coal mine
05/08/2013CN102162375B On-site hot smoke test equipment and method for subway station and inter-station tunnel
05/01/2013CN202914162U Pneumatic rock drill
05/01/2013CN202914125U Dust isolation-based integrated dust prevention device of fully mechanized excavation faces
05/01/2013CN202914124U Dust-proof cushion in air sac structure
05/01/2013CN202912789U System for centrally purifying and softening supplied water and proportioning supplied liquid in underground mining area of coal mine
05/01/2013CN103075178A Foam dust removing system
05/01/2013CN103075177A Ventilating and dust preventing system for coal heading face
05/01/2013CN103075176A Gas explosion suppression system and method for coal mine
05/01/2013CN103075175A Trail-constrained suspension type tunnel fire-fighting robot
05/01/2013CN102251795B Mobile jetting filter cartridge dust remover
04/2013
04/24/2013CN202900308U Positive-pressure anti-return-air anti-return-water device
04/24/2013CN202900306U Coal mine underground potable foam-producing device
04/24/2013CN202900305U No-air-source foam plug dust removal system for underground of coal mine
04/24/2013CN202900304U Self-balance type water seal anti-explosion device
04/24/2013CN202893144U Dust-removing air blower with gas-water separating device
04/24/2013CN103061809A Mine adit fire separation device
04/24/2013CN103061795A Method for preventing and extinguishing fire of coal mine through pithead power plant flue gas
04/24/2013CN103061696A Device for collecting drilling cuttings
04/24/2013CN103055463A Polyelectron electronic conductive material fire extinguishing agent
04/17/2013CN202882988U Automatic-flushing movable dustproof screen
04/17/2013CN202882987U Spraying device used for reducing dust in pit
04/17/2013CN202882986U Underground mine well dust falling spraying device
04/17/2013CN202882985U Dry and wet detection automatic spray and aspirating device used for mine
04/17/2013CN202882984U Fluid distributer
04/17/2013CN202882983U Linked switch
04/17/2013CN202882982U Grouting device for mine
04/17/2013CN202882924U High-pressure secondary automatic spraying aspirating device of fully-mechanized excavating machine
04/17/2013CN103046945A Wind/water linkage spraying and dust falling device
04/17/2013CN103041536A Multi-electron conductive material extinguishing agent
04/17/2013CN103041535A Multi-electron conductive material extinguishing agent
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