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 5 - Means or methods for preventing, binding, depositing or removing dust; Preventing explosions or fires
Patents for E21F 5 - Means or methods for preventing, binding, depositing or removing dust; Preventing explosions or fires (2,735)
05/2010
05/12/2010CN201460958U Underground movable compound slurry preparing and spraying device
05/12/2010CN201460957U Coal cutting machine dust source intelligent tracing spraying and dust removal system for mine
05/12/2010CN201460956U Spraying device for air dust removing and purification
05/12/2010CN201460955U Dust removing device of bore for deslagging by wind force
05/12/2010CN201460948U Coal mine return air and dust absorption ventilation pipe
05/12/2010CN201454741U Self-powered long-range mist sprayer
05/12/2010CN201454327U Foam dust inhibitor
05/05/2010CN101701525A Fully automatic gas explosion proof equipment
04/2010
04/28/2010CN201443412U Mine remote control spraying device
04/28/2010CN201443411U Movable nitrogen injection device
04/28/2010CN101699032A Adjustable rotary atomization device
04/28/2010CN101699031A System for automatically extinguishing fire in long tunnel and extinguishing method thereof
04/21/2010CN201439718U Double dustproof water curtain for cutting coal on coal mining work surface
04/21/2010CN101696636A Automatic dedusting system for coal mines
04/21/2010CN101696635A Wave-controlled spray-type fume and dust removing device for use in vertical shaft blasting and digging
04/21/2010CN101696631A Wet type negative pressure dust removing device of continuous coal mining machine
04/14/2010CN201437732U Power system for explosion-proof trackless gas tunnel transport machine
04/13/2010US7694897 Integrated multi-function showerhead
03/2010
03/31/2010CN201433787Y Water spray device
03/31/2010CN201433786Y Ground grout-making system for coal mine fire prevention and control
03/31/2010CN201433785Y Mouse cage type grout-making machine for coal mine fire prevention and control
03/31/2010CN201433784Y Bead type flame arrestor for mining explosionproof diesel engine
03/31/2010CN201432996Y Quantitative feeder for grout-making system for coal mine fire prevention and control
03/31/2010CN101684730A Rotary cutting bit
03/24/2010CN201428626Y Cyclone water-film wet dust removal axial flow fan
03/24/2010CN201428476Y Rotational air current type concrete dry-delivery wet shotcreting machine
03/24/2010CN201428472Y Gas intake, exhaust and flow guide system for ventilation oxidation unit
03/24/2010CN201428471Y Pneumatic pressurizer for spraying dust suppression in mines
03/17/2010CN201424957Y Coal bed methane-mixing intake system of ventilation air methane oxidation system
03/17/2010CN201424955Y Dust-suppressing gas-diluting device with linkage of wind and water
03/17/2010CN201424954Y Quick trigger
03/17/2010CN201424953Y Underground movable fire-preventing slurry injection system
03/17/2010CN201424952Y Mine fire-preventing slurry injection tube
03/17/2010CN101672195A Combustion and explosion suppression system with automatic water curtain
03/17/2010CN101672194A Gauze dustproof filtering device
03/11/2010WO2010025518A1 Method and composition for dust suppression
03/10/2010CN101666239A Hole sealer for dual purposes of gas drainage and coal seam water injection and using method thereof
03/10/2010CN101666238A Water infusion hole sealing method and device of coal face coal
03/04/2010DE102008045459A1 Method for preventing spread of particulate materials in air, comprises applying a mixture comprising glycerin and water on the particulate materials e.g. house dust, skin flakes, food scraps, debris, diesel emissions and pollen
03/03/2010CN201416454Y Large-scale tunnel dust removal device
03/03/2010CN201416451Y Hydraulic bracket spraying device
03/03/2010CN201416449Y Underground wet-spraying continuous operation device for coal mines
02/2010
02/24/2010CN201412177Y High pressure water mist generator
02/24/2010CN201412157Y Water injecting and dedusting device of drill carriage
02/24/2010CN100591892C Ore seam injection method during mining process
02/17/2010CN201404150Y Excrement deposition device
02/17/2010CN101649748A Dust removing sprayer for mine
02/10/2010CN201401191Y Air inlet and exhaust circulating system for ventilation air methane oxidation device
02/10/2010CN201401190Y Multi-stage powerless orifice dust remover
02/10/2010CN201401189Y Mine automatic powder spraying explosion-suppressing device
02/10/2010CN101644165A Method and system for negative pressure-induced dust removal in coal preparation plant
02/03/2010CN201396188Y Ash discharging apparatus
02/03/2010CN201396187Y Mine coal explosion automatic spray device
02/03/2010CN201396186Y Mining device for removing orifice dust and gas accumulation
02/03/2010CN201396185Y Coal mine inert liquid fire prevention and distinguishing device
02/03/2010CN201396180Y Device for sealing off dust between hydraulic supports for coal mines
01/2010
01/20/2010CN201386568Y Explosion-isolating water curtain device
01/13/2010CN101624912A Down-hole desulfurization and dedusting technology for coal
01/06/2010CN201377810Y Automatic control system of mine ventilation coal-bed methane burner
12/2009
12/30/2009CN201372808Y High negative pressure U-shaped automatic drainage device of gas drainage pipeline
12/30/2009CN201372807Y Sprinkler for cleaning coal mine dust
12/30/2009CN100575667C Downhole crushed coal leak-stopping fire-proofing agent for coal mine
12/23/2009CN201367914Y Decompressing atomizing wet coagulator
12/23/2009CN101608553A Inhibitor with sustained release property and preparation method thereof
12/16/2009CN101603385A Method and device for cover opening and locking in gas exceeding limit
12/10/2009DE102008027210A1 Dry dust removal device for use during e.g. mining operation, has discharging element connected with electrically conductive implemented housing and/or blower housing, where housings are coupled together in electrically conductive manner
12/09/2009CN101598134A Whirlwind water film wet dust removal axial flow fan
12/09/2009CN101596388A Spraying device used for dedusting and purifying air
12/09/2009CN100567525C Method of treating sulfide ore spontaneous combustion using bacteria leaching out method
12/02/2009CN101592038A Vacuum atomization condenser
12/02/2009CN101592037A Ground slurry preparing system for preventing and extinguishing fire of coal mine
11/2009
11/25/2009CN201351508Y Mining dust exhaust fan
11/25/2009CN101586468A Automatic sprayer of blasting
11/18/2009CN201347771Y Multifunctional automatic spray device
11/18/2009CN201347770Y Tunnel helmet
11/18/2009CN201347769Y Tunnel fire-fighting vehicle with track throwing ice blocks
11/18/2009CN101581233A Method for lowering concentration of mine methane
11/18/2009CN101581230A High-pressure water mist generator
11/18/2009CN101581229A Method for drilling and sealing holes through high-pressure water injection under coal mine
11/18/2009CN101581228A Large tunnel dust removal plant and dust removal method thereof
11/18/2009CN101581205A Self-controlled mine surface grout injection system
11/04/2009CN201340651Y Dynamic monitoring system for fingerprint identification of underground personnel and gas density in coal mine
10/2009
10/28/2009CN101566068A Quick trigger device of explosion suppression device for mineral
10/28/2009CN101566067A Entire-underground cable tunnel safety manhole being used also as ventilation shaft
10/21/2009CN201330607Y Dual-liquid synchronous grouting washing switching device
10/14/2009CN201326418Y Drill jet-hole security protection system orifice multi-passage device
10/14/2009CN201324686Y Absorption and ejection fog-spraying nozzle
10/14/2009CN201324675Y Spraying device
10/07/2009CN101550841A Coal and gas outburst hazard early warning system and early warning method
10/07/2009CN100547226C High power inhibition foam for preventing and controlling coal self-ignition and generating device thereof
09/2009
09/30/2009CN201318190Y Suction-injection type high-efficiency spray device used in coal mine underground
09/30/2009CN101545379A Electrohydraulic anti-pass-through device
09/23/2009CN201314240Y Automatic dust suppression device for comprehensive mining working surface
09/23/2009CN101539026A Multi-stage non-powered orifice dust remover
09/16/2009CN101530828A Method for purifying air pollutants of roads and tunnels
09/09/2009CN201306185Y Full-section spraying facility for laneway
09/09/2009CN201306184Y Dust device among coal mine fully mechanized working faces and frames
09/02/2009CN201301725Y Dustfall water cover-generating device
09/02/2009CN101520365A Simulation experimental system for controlling mine tunnel dust environment
08/2009
08/26/2009CN101514637A Execution system of gas tunnel outburst prevention comprehensive measures
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