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)
12/2011
12/21/2011	CN202081907U 矿山可移动式收尘器 Mine movable precipitator
12/21/2011	CN202081906U 一种防尘门 One kind of dust door
12/21/2011	CN202081905U 矿用湿式多通道轴向螺旋离心除尘风机 Mine Wet multi-channel axial screw centrifugal dust blower
12/15/2011	DE102010023234A1 Method for controlling dust in underground mining with water spray system in mining operations, involves measuring current value of water pressure in area of nozzle or nozzle groups
12/14/2011	CN202073565U Mine-used integral solenoid valve
12/14/2011	CN102278133A Individual overflow water seal fire relief and explosion release device
12/07/2011	CN202065003U 矿井巷道椭圆形双开式全自动灾害堵防装置 Mine tunnel open oval twin disasters automatic anti-blocking device
12/07/2011	CN202065002U 矿井平板双开式全自动灾害堵防装置 Automatic double open flat mine disaster prevention blocking device
12/07/2011	CN202065001U 矿井绞车巷道全自动灾害堵防装置 Winch mine roadway blocking automatic disaster prevention device
12/07/2011	CN202064994U 矿用钻孔负压吸尘装置 Mine drilling vacuum cleaning device
12/07/2011	CN202064993U 一种机械式放炮自动气水喷雾装置 A mechanical automatic air-water spray device blasting
12/07/2011	CN202064992U 一种泡沫除尘装置 A foam dust removal device
12/07/2011	CN202064991U 水封爆破注水装置 Seal water blasting equipment
12/07/2011	CN202064990U Pressure relief explosion proofing device for gas drainage pipeline
12/07/2011	CN102269010A 煤矿井下用钻孔排渣除尘器 Drilling slagging coal mine dust
12/07/2011	CN102269009A 超微磁化泡沫钻孔除尘器 Supermicro magnetization foam drilling dust
11/2011
11/30/2011	CN202055863U 一种矿用隔爆型自动负压排渣放水器 One kind of flameproof automatic vacuum slagging turn on the water
11/30/2011	CN102261260A 一种新的防止煤矿井下发生煤尘爆炸的方法 A new coal mine to prevent the occurrence of coal dust explosion method
11/30/2011	CN102261259A 矿山料堆的物理抑尘方法 Physical mine stockpile dust suppression methods
11/30/2011	CN102261246A 一种破碎锤钎杆的冷却抑尘装置及方法 A hammer cooling and dust control device and method for brazing rod
11/30/2011	CN102258836A 一种煤矿专用阻燃灭火剂 One kind of special fire extinguishing mine
11/30/2011	CN101569822B 一种降低瓦斯浓度的瓦斯吸收剂 A method of reducing the concentration of methane gas absorbers
11/23/2011	CN202047857U Pump suction device for coal mine
11/23/2011	CN202047856U Atomizer for air pressure drilling of coal mines
11/23/2011	CN102251795A Mobile jetting filter cartridge dust remover
11/23/2011	CN102251794A Thin-water spraying and dust falling device for mines
11/23/2011	CN102251793A Purifying and spraying system and method for automatic spraying by using same
11/23/2011	CN102251791A Folded ventilation duct assembly
11/23/2011	CN101699031B System for automatically extinguishing fire in long tunnel and extinguishing method thereof
11/17/2011	WO2011039157A3 Safety system for road tunnels in case of fire
11/16/2011	CN202039887U Low-temperature nitrogen fire prevention and extinguishment system for pit
11/16/2011	CN102241961A Dust catching solution, and drill hole type dust catching method and system
11/16/2011	CN102240623A Mine atomization device
11/16/2011	CN101566067B Entire-underground cable tunnel safety manhole being used also as ventilation shaft
11/09/2011	CN202031637U Elliptical single-open-type full-automatic disaster blocking and preventing device for mine tunnels
11/09/2011	CN202031635U Full automatic disaster blocking device for well rail haulage road
11/09/2011	CN202031634U Distance dust emission equipment
11/09/2011	CN202031633U An electric rock drill dust catching device on coal mining working surfaces
11/09/2011	CN202031632U Mine roadway net type dust catching device
11/09/2011	CN202031631U Support descending control spraying device
11/09/2011	CN202031630U Spray dust reducing device for gold mine
11/09/2011	CN202031629U Closed dust catching cover for transfer point of coal mine
11/09/2011	CN202031628U Energy conversion dust collection device for fully mechanized excavation face
11/09/2011	CN202031627U A coal seam spontaneous combustion control system
11/09/2011	CN102235175A Smoke elimination and dust settlement construction method for long and large tunnel and dust settlement station used in construction method
11/02/2011	CN202023581U Dust source tracking type dust fall equipment of mine mining machine
11/02/2011	CN202023580U Mining movable fire fighting trolley
11/02/2011	CN202020814U Improved fire barrier
11/02/2011	CN102230392A Mining face support movement automatic spray negative pressure secondary dust reducing method and device
11/02/2011	CN102230391A Mining automatic sprinkling and dust reducing device
11/02/2011	CN102230390A Passive and automatically pressurized mobile washing device for coal mine underground railway lane
11/02/2011	CN102230389A Dust explosion suppression device
11/02/2011	CN102228813A Apparatus for automatically adding foaming agent
11/02/2011	CN101832148B Fire extinguishing medium irrigation device for coal mine ground drilling
11/01/2011	US8048010 Massage nozzle and massage device
10/2011
10/26/2011	CN202017517U Dust collecting and removing device for mechanized heading face of mine
10/26/2011	CN202017516U Fireproof extinguishing foam generator for mining
10/26/2011	CN202017515U Dust removing fan
10/26/2011	CN202017514U Intelligent automatic spraying device for coal mine
10/26/2011	CN202017513U Dust removing foam maker
10/26/2011	CN202017512U Mechanical air water spraying device
10/26/2011	CN202015582U Foaming device for use in coal mine and foam dedusting equipment
10/26/2011	CN102226411A Foam dust-settling device for negative pressure-type mines
10/20/2011	DE102010015063A1 Method for generating water mist to reduce danger of methane gas explosion in mining construction, involves generating mist without addition of air under high pressure through nozzle and directing mist to baffle to atomize mist droplets
10/19/2011	CN202012367U Deduster for drill hole
10/19/2011	CN102220877A Mine atomizing rotational flow dust collection fan
10/19/2011	CN102220876A Automatic spraying valve
10/19/2011	CN102220875A Method for generating water mist
10/12/2011	CN202007684U Mining automatic explosion-proof water sprayer
10/12/2011	CN202007683U Optical sensing automatic water feeding device for explosion-proof water barrier
10/12/2011	CN202007682U Pneumatic water injection device for mining coal seams
10/12/2011	CN202007667U Hydroelectric linkage device for roadheader and dust collection fan
10/12/2011	CN102213105A Mobile self-cleaning dry dust-collecting and ventilating equipment used in tunnel construction
10/12/2011	CN102213104A Reversing operation torsion transmission shaft and multifunctional reversing spray operation valve bank
10/12/2011	CN102212337A Coal dust inhibitor and production method thereof
10/12/2011	CN101852086B Composite electroless efficient special dust-removing equipment for coal mines
10/05/2011	CN202001050U Gas dust catcher for coal mine
10/05/2011	CN202001049U Pneumatically-pressurized water-spraying dust removal device
10/05/2011	CN202001048U Explosion-proof device for methane gas
10/05/2011	CN101793160B Environment-friendly flame-retardant high-molecular gel inhibitor for preventing coal from spontaneously combusting of coal mine
09/2011
09/28/2011	CN201991540U 一种防火隧道内壁 Fireproof tunnel wall
09/28/2011	CN102200023A Mine coal mining machine dust source tracking dust settling equipment and control method thereof
09/28/2011	CN101906993B Method and device for early warning explosion of gas and other combustible gases
09/28/2011	CN101649751B Monitoring method of coal mine safety monitoring system
09/28/2011	CN101550841B Coal and gas outburst hazard early warning system and early warning method
09/21/2011	CN201982131U 无动力液体自动添加装置 No power means the liquid is added automatically
09/21/2011	CN201978850U 一种弧面射流喷头 One kind of arc jet nozzle
09/21/2011	CN102191935A Water vapor rotating jet dust settling device for comprehensive driving working face
09/15/2011	US20110221259 Heading machine
09/14/2011	CN201976188U 矿用隔爆型摄像仪 Flameproof Camera
09/14/2011	CN201972726U 一种低温惰液、惰气防、灭火系统 A cryogenic inert liquid, inert gas prevention, fire extinguishing system
09/14/2011	CN201972725U 一种防喷防尘装置 One kind of dust preventer device
09/14/2011	CN201972724U 矿用小型组合除尘器 Mine dust with a small portfolio
09/14/2011	CN102182858A Mining integrated solenoid valve and control method thereof
09/14/2011	CN102182497A Foam preparation device for preventing and extinguishing coal mine fire
09/14/2011	CN102182496A Foam generator for preventing and extinguishing fire in coal mine
09/14/2011	CN102182495A Gas dust catcher
09/14/2011	CN102182494A Mechanical full-automatic roadway watering and dust rinsing vehicle
09/14/2011	CN102182493A Atomization device for air compression drilling of coal mine
09/14/2011	CN102182492A Underground dust-removing foam generator and foam dust-removing equipment

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