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)
11/2012
11/21/2012CN102151441B Wet dust remover with wheel-shaped rotating brush
11/21/2012CN101735771B Dust fall agent for water mist dust fall
11/21/2012CN101684730B Rotary cutting bit
11/14/2012CN202531216U Automatic air and water atomization dust-settling device used for mine
11/14/2012CN202531215U Gold mine downhole automatic spray dustfall system
11/14/2012CN202531214U Novel simple spray dust-settling device used in mine roadway
11/14/2012CN202531213U Dust remover for automatic deslagging hole
11/14/2012CN202531212U Air-water mixing jet orifice dust separator
11/14/2012CN102777204A Mine spray sensor and mine spray dust-fall monitoring system
11/14/2012CN102777203A Roadway spraying device
11/14/2012CN102258836B Flame-retarding fire extinguishing agent for coal mines
11/07/2012CN202520367U Pneumatic type full automatic blasting and spraying device
11/07/2012CN202520366U Forepoling bar automatic water curtain of blasting driving working face
11/07/2012CN202520365U Novel spiral water-guiding dust removing device for mines
11/07/2012CN202520364U Manual bidirectional control device for dustproof water curtain of mine
11/07/2012CN202520363U Mining dust remover
11/07/2012CN202520362U Flat-opening dustproof curtain
11/07/2012CN202520361U Folding dust-suppressing curtain
11/07/2012CN202520360U Wind and water linkage type remote spraying device for explosion region
11/07/2012CN202520359U Grouting device and system used between frames at working face
11/07/2012CN202520358U Dustproof protective hood
11/07/2012CN102767388A Intelligent air-water spraying control dust falling device for blasting of coal mine
11/07/2012CN102251794B Thin-water spraying and dust falling device for mines
11/07/2012CN102230389B Dust explosion suppression device
10/2012
10/31/2012CN202510154U Foam dust-suppression system for mine digging
10/31/2012CN102758645A Fully-mechanized top-coal caving face initial-mining-stage goaf fire prevention and extinguishment method
10/31/2012CN101581205B Self-controlled mine surface grout injection system
10/24/2012CN202500596U Mine drilling negative pressure dusting machine
10/24/2012CN202500566U Strip mine shovel mining dust fall device
10/24/2012CN102748063A Magnetized surfactant solution dust removal method and device
10/24/2012CN102748062A Automatic spraying device and coal mine transportation equipment
10/24/2012CN102748061A Mining surfactant automatic adding device
10/24/2012CN102743940A Flameproof dust-absorbing air-purifying machine for mining
10/17/2012CN202493281U Mine air cleaner
10/17/2012CN102733847A Mine roadway oval double-open type all-automatic disaster plugging and prevention device
10/17/2012CN102733846A Oval single-open full-automatic disaster blocking-preventing device used in mine roadway
10/17/2012CN102733845A Full-automatic disaster block prevention device with double-open tablet for mine
10/17/2012CN102733842A Electronic sound control automatic spraying and dust-settling control device and working method thereof
10/17/2012CN102733841A Underground mine used sprinkler
10/17/2012CN102733815A Full-face rectangular hard rock tunneling and anchoring integrated machine
10/11/2012WO2012138371A1 Rock dusting apparatus
10/11/2012WO2012136177A1 Wet scrubber having a compact demister that requires reduced energy demand
10/11/2012US20120256020 Rock dusting apparatus
10/11/2012DE102011016289A1 Nasswäscher mit reduzierten Energiebedarf erforderndem Kompaktdemister Wet scrubbers with reduced energy demand positions requiring Kompaktdemister
10/11/2012CA2832489A1 Wet scrubber with a compact demister that requires less energy
10/10/2012CN202483626U Water-spraying fireproof roller blind device special for tunnel
10/10/2012CN202483615U Gas spraying device for rescue capsule
10/10/2012CN102720536A Mine dry ash prevention and filling unit
10/10/2012CN102720525A Pneumatic-supercharging water spray dust collector
10/10/2012CN102071960B Special-purpose bag filter for underground coal mine
10/03/2012CN202467892U Mining air purification device
10/03/2012CN202467891U Mining fog spraying dust remover
10/03/2012CN202467890U Mining wet-type pneumatic deduster
10/03/2012CN202467889U Mine-used liquid CO2 gasification device
10/03/2012CN202467867U Tunnel reinforced fire-proofing insulation plate
10/03/2012CN202460877U Coal mine underground high-pressure single-phase flow dust removal nozzle
10/03/2012CN102704983A Mining carbon-dioxide extinguishing device
10/03/2012CN102704982A Quick starting device for methane gas explosion suppressors
10/03/2012CN102704974A Hydraulic bracket and method for drawing, filling and mining at high position
10/03/2012CN102698391A Improved flame arrester
09/2012
09/26/2012CN202451202U Dust remover
09/26/2012CN202451201U Coal ash dust collection device
09/26/2012CN202451200U Automatic fire extinguishing chamber for putting out oil/ gas well fire
09/26/2012CN202451199U Movable mine working mat cooling and dedusting device
09/26/2012CN102691516A Full-automatic disaster blocking-preventing device for mine shaft winch tunnel
09/19/2012CN202441419U Pipeline type life-saving device for mine accident
09/19/2012CN202441415U Mine car power assisted cleaning device
09/19/2012CN202441414U Dust suppression device provided with adjustable combined sprayers and used in development roadway
09/19/2012CN202441413U A mobile spraying device for a power construction driving working face
09/19/2012CN202441412U High pressure water injection hole packer
09/19/2012CN202441409U Orepass dust control mechanism
09/19/2012CN102678170A Full-automatic disaster plugging and prevention device for mine overhead rail and rope roadway
09/19/2012CN102678169A Full-automatic disaster blocking preventing device for mine drift
09/19/2012CN102678168A Full-automatic disaster plugging and preventing device for mine railway transportation lane
09/19/2012CN102678163A Dust removal device for drilling orifice of coal mine tunnel
09/19/2012CN102678162A Wet-type three-dimensional dust falling method for mine conveying roadway
09/19/2012CN102678161A Automatic spraying dust-falling device and automatic control assembly
09/19/2012CN102678160A Dust collecting box of flameproof mining wet dust collector
09/19/2012CN102678159A Gas dissolving agent
09/12/2012CN202431294U Fire-fighting device for mine
09/12/2012CN202431293U Portable explosion-proof shaft cover for coal mine return-air vertical shaft
09/05/2012CN202422396U Coal mine underground worker navigation system based on low power consumption local area network protocol
09/05/2012CN202417574U Water circulation type dust removal device
09/05/2012CN202417573U Hydrodynamic rotary atomizer
09/05/2012CN202417572U Pressure-sensitive tramcar touch sprinkler
09/05/2012CN202417571U Water spraying device with windable water pipe
09/05/2012CN202417570U Dust-proof front canopy
09/05/2012CN202417569U Combined automatic atomization device
09/05/2012CN202417568U Underground automatic spraying device of coal mine
09/05/2012CN202417567U Hole packing device of coal seam water injection slot hole
09/05/2012CN202417566U Phase-change material fireproof composite plate for mine shaft
09/05/2012CN102061935B Wireless multimedia command system for mine rescue
09/05/2012CN102004048B Gas sampling, preventing and extinguishing cleaning unit for multifunctional tube bundle monitoring emergency preventing and extinguishing system
09/05/2012CN101787289B Method for preparing fireproof and explosion suppression pulverized fuel ash carbon dioxide material
08/2012
08/29/2012CN202402062U Drill hole dust protector
08/29/2012CN202398443U Dust removing spray head
08/29/2012CN102650215A Air curtain distributor, cab and engineering machinery
08/22/2012CN202391460U Mine drum precipitator
08/22/2012CN202391459U Spray humidifier for mining
08/22/2012CN202391458U Dust blower
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