Patents
Patents for E21F 5 - Means or methods for preventing, binding, depositing or removing dust; Preventing explosions or fires (2,735)
01/2011
01/26/2011CN201720158U Rotation device of watering spray gun
01/26/2011CN201720151U Drainage-free anti-freeze device of water spraying gun
01/26/2011CN1572356B Dusting device with multiple stream nozzles
01/26/2011CN101956563A Deduster
01/19/2011CN201714420U Liquid level maintenance system with function of automatically cutting off water for mine explosion-proof water tank
01/19/2011CN201714419U Dust removing device for coal mine excavation working face return airway
01/19/2011CN201714418U Drum pulping machine
01/19/2011CN201714401U Thin seam hydraulic support spraying device
01/12/2011CN201706006U Electrohydraulic control spray valve
01/12/2011CN201705385U Methane gas diluter
01/12/2011CN201705384U Round atomizing type dust removal device for mine
01/12/2011CN201705379U Ventilation and dust removal device with silencing unit
01/12/2011CN101943021A Compressing-deslagging-drilling dust remover for coal pits
01/12/2011CN101943020A Powder for inhibiting firing and explosion of coal dust
01/12/2011CN101943019A Fireproof and dust removing device used for underground loader
01/12/2011CN101943017A Air distributing device and coal mine comprehensive digging working surface air distributing and dust reducing system
01/12/2011CN101581228B Large tunnel dust removal plant and dust removal method thereof
01/05/2011CN201696078U Dedusting and dewatering system adopting natural cold source to deeply condense gas
01/05/2011CN201696077U Novel spray dust removing device
01/05/2011CN201696076U Boring type dust catching system
01/05/2011CN201696073U Coal mine underground air funnel dust elimination and cooling device
01/05/2011CN101476479B Foam type stopping agent for preventing mine coal spontaneous combustion and its use method
01/05/2011CN101293233B Automatic spraying and dust-preventing method, and dust-preventing apparatus
12/2010
12/29/2010CN201687555U Mining engine exhaust explosion-proof device
12/29/2010CN201687510U Purifying spraying system
12/29/2010CN201687509U Mining mist-spraying dust-falling system temporary passing pneumatic control device
12/29/2010CN201687508U Mechanical explosion spraying device
12/29/2010CN201687507U Hydrostatic coal wall water injection hole packer
12/29/2010CN201687506U Mechanical coal-face flooding hole sealing device
12/29/2010CN201684683U Mine micro-atomizing nozzle
12/29/2010CN101927116A Liquid membrane dust suppression device
12/29/2010CN101927114A Device for filtering naked flame particles in mixed flue gas
12/29/2010CN101514637B Execution system of gas tunnel outburst prevention comprehensive measures
12/22/2010CN201679514U Short-range dust removing device
12/22/2010CN101922444A Explosion-proof wiring device for compressor head of cooling unit in mine
12/22/2010CN101922308A Monitoring and early warning system for mine
12/15/2010CN201671652U Explosion-proof wellhead apparatus
12/15/2010CN201671533U Light tunnel drilling machine
12/15/2010CN101915116A Intelligent dust concentration limit setting spray dust settling device, system and method
12/15/2010CN101915115A Protective device for mine drilling construction
12/15/2010CN101915114A Coal mine working environment monitoring system
12/15/2010CN101915113A Mine nitrogen water mist generating device
12/15/2010CN101413398B Heating start-up system of mine ventilation air methane oxidized apparatus
12/08/2010CN201666164U Adjustable atomization dust suppression device applicable to rotary belt head
12/08/2010CN201666163U Explosion-proof STATCOM reactive compensation device
12/08/2010CN101906993A Method and device for early warning explosion of gas and other combustible gases
12/08/2010CN101906987A Mine dust concentration and environmental parameter automatic detection and control system
12/08/2010CN101906986A Method for distributing intake airflow and exhaust airflow of coal mine methane device
12/01/2010CN101899990A Spraying and dust falling device in coal mine
11/2010
11/25/2010WO2010104331A3 Roof type high-speed tunnel air cleaning system
11/24/2010CN201650342U Automatic high-speed rotation air current purifying device
11/24/2010CN201650341U Mine automatic spraying and sprinkling dust removing device
11/24/2010CN201650340U Power isolation device used for monitoring coal mine underground gas
11/24/2010CN201650339U Fire extinguishing medium pourer for ground drill hole in coal mine
11/24/2010CN201650338U Vertical oxidizing bed for coal mine ventilation air methane gas thermal oxidization device
11/24/2010CN201650110U Novel outburst prevention drilling and loading machine
11/24/2010CN201643929U Comprehensive gas spray orifice safety control device
11/24/2010CN101892858A Wet type dust collector for crag lane or half coal crag lane
11/24/2010CN101892857A Drum-type grout-making machine
11/18/2010US20100288858 Rock dusting apparatus
11/17/2010CN201635760U Air drill dust hood
11/17/2010CN201635759U Grouting and gel pouring device for coal mine fire prevention
11/17/2010CN201635758U Grouting pond for coal mine fire prevention grouting and gel pouring
11/17/2010CN101886952A Mining passive pyroelectric infrared sensor
11/17/2010CN101886549A Control device for automatic dust suppression device by water spray
11/10/2010CN201627600U Pneumatic control dust collection device of coal mine
11/10/2010CN201627599U Mobile underground grouting train
11/10/2010CN101881177A Foam dust removing system of wind power slag-discharging coal mine
11/10/2010CN101881176A Method for reducing gas density by using ultra-high-pressure and ultra-fine water mist
11/03/2010CN201620910U Anti-explosion automatic sprinkling device for mine
11/03/2010CN201620909U Dust-removing purification device for excavation roadway of coal mine
11/03/2010CN101099025B Dust suction method relating to drilling arrangement and drilling arrangement
10/2010
10/27/2010EP2243925A1 Apparatus for filtering air in tunnels
10/27/2010CN201614945U 矿井防火隔断装置 Mine fire cut off device
10/27/2010CN201614811U 多防锁 Multi antilock
10/27/2010CN201613194U 一种雾化喷嘴 One kind of spray nozzles
10/20/2010CN201610734U 封孔管及封孔装置 Sealing pipes and sealing device
10/20/2010CN101865359A Device for filling dust settling agent into pipeline
10/20/2010CN101864985A Gas diluter
10/20/2010CN101864984A Horizontal turbulence ball padding dust catcher for mine
10/20/2010CN101864983A Hydraulic coal wall water injection hole packer
10/20/2010CN101864982A Mechanical coal wall water injection hole sealing device
10/13/2010CN201606103U 一种防堵塞的除尘管 An anti-clogging dust tube
10/13/2010CN201606102U 煤矿巷道自动洒水装置 Automatic sprinklers coal mine tunnel
10/13/2010CN201606101U 矿用通风灭尘一体化装置 Mine ventilation eliminate dust Integrated Device
10/13/2010CN201603501U 过滤式除尘装置 Filter dust removal device
10/13/2010CN101858226A Explosion proof and suppression method for wave and energy absorption
10/06/2010CN201599049U 除尘装置及系统 The dust removing device and system
10/06/2010CN201599048U 连动式隔爆水棚架 Water proof-linked scaffolds
10/06/2010CN201598981U 压风排渣打钻装置 Standard Chartered drilling apparatus pressure air discharge
10/06/2010CN201598592U 一种铁路隧道清扫车 A railway tunnel sweeper
10/06/2010CN201596588U 压风式自动喷雾装置及系统 Air pressure automatic spray device and system
10/06/2010CN101852086A Composite electroless efficient special dust-removing equipment for coal mines
09/2010
09/29/2010CN201594187U Automatic dust removal control system for coal mine
09/29/2010CN201593443U Dust removal nozzle for coal mine
09/29/2010CN201593442U Automatic air-water mixing spraying device
09/29/2010CN201593441U Foam-type dust removal device for drilling
09/29/2010CN101845965A Pressure discharge method for anti-blocking chamber of feeding well
09/29/2010CN101845962A Method and device for reducing dust in air return channel of coal mining working surface
09/29/2010CN101845961A Bracket spraying dust reduction emulation simulation device for coal mine working surface
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