Patents
Patents for E21F 5 - Means or methods for preventing, binding, depositing or removing dust; Preventing explosions or fires (2,735)
09/2011
09/14/2011CN102182458A Induced draft water curtain dust removing device for intercepted coal mining machine
09/14/2011CN102182457A Intelligent dust-fall device of excavator
09/07/2011CN201963340U 机械式全自动巷道洒水冲尘车 Mechanical automatic sprinkler roadway red dust cart
09/07/2011CN201963339U 撞杆式自动防尘纱网水幕 Automatic dust gauze hit the water curtain rod
09/07/2011CN201963338U 矿用风动湿式除尘器 Mine pneumatic wet scrubber
09/07/2011CN201963337U 矿用巷道捕尘网 Mine roadway dust capture network
09/07/2011CN201963336U 一体式制浆机 One-pulping machine
09/07/2011CN201962634U 多功能喷雾节水抑尘车 Multifunction spray dust suppression water-saving car
09/07/2011CN102174896A Dust remover for drilling holes
09/07/2011CN102174895A Dust collection and removal device for mine machine excavation working surface
09/07/2011CN102173722A Composite gel for preventing spontaneous combustion of coal
08/2011
08/31/2011CN201953414U 矿井井下火灾及有毒有害气体正压束管监测系统 Underground mine fire and poisonous gas pressure beam tube monitoring system
08/31/2011CN201953412U 一种煤矿用温度检测装置 One kind of temperature detection device for use in mines
08/31/2011CN201953410U 便携式防爆加压泵 Portable explosion-proof pressure pump
08/31/2011CN201953397U 矿井自动隔爆抑爆装置 Mine Explosion explosion suppression device automatically
08/31/2011CN101569821B Gas absorbent for reducing gas concentration
08/25/2011WO2011100850A1 Method and apparatus for fire ventilation and fire containment
08/24/2011CN201943737U Underground drill hole orifice dust suppression device
08/24/2011CN201943736U 煤矿用密集浅孔捕尘器 Mine shallow hole with dense dust catcher
08/24/2011CN102162375A On-site hot smoke test equipment and method for subway station and inter-station tunnel
08/24/2011CN102161021A An anti-blocking dustfall nozzle used in coal mine
08/24/2011CN101761337B Air curtain sealing dedusting system on fully-mechanized excavating face
08/24/2011CN101608553B Inhibitor with sustained release property and preparation method thereof
08/17/2011CN201934124U 巷道掘进放炮后自动洒水灭尘装置 Dust off the roadway automatic sprinkler system after tunneling blasting
08/17/2011CN201934123U Full-section spraying dust removal device for coal mine
08/17/2011CN201934122U 长大隧道消烟降尘施工所使用的降尘站 Smoke and dust grew up dust station tunnel construction use
08/17/2011CN201934121U Dust suppression system for tunnel
08/17/2011CN201930873U 全封闭自动调节雾化器 Closed automatically adjust the nebulizer
08/17/2011CN102155252A Automatic sprinkling and dust falling device and method
08/17/2011CN102155251A Waterpower hole packer
08/17/2011CN102151441A Wet dust remover with wheel-shaped rotating brush
08/17/2011CN101649748B Dust removing sprayer for mine
08/10/2011CN201924966U 一种多功能管束监测应急防灭系统气体采样检测装置 A multifunctional gas sampling tubes detection monitoring emergency prevention system unit off
08/10/2011CN201924957U 煤矿井下专用袋式除尘器 Coal mine dedicated baghouse
08/10/2011CN201924956U 一种新型支架喷雾降尘装置 A new stent spraying device
08/03/2011CN201915998U 自动洒水同时停止胶带机的装置 Automatic sprinkler system and stop the tape machine
08/03/2011CN201915988U 用于矿井的喷雾装置 Mine used to spray device
08/03/2011CN201915987U 储煤仓水幕降尘系统 Storage bunker water curtain dust system
08/03/2011CN201915523U 坑道中冲击波快速衰减水帘 Hang the curtain shock rapid decay
08/03/2011CN102140922A Novel tunnel anti-freezing and heat-insulating layer
07/2011
07/27/2011CN201909729U Multifunctional gas sampling anti-extinguish cleaning unit of bundle monitoring emergency anti-extinguish system
07/27/2011CN201908676U Mine gas drilling-draining device
07/27/2011CN201908675U Rotary atomizing and spraying device
07/27/2011CN201908673U Air purifying device of refuge chamber
07/27/2011CN101672195B Combustion and explosion suppression system with automatic water curtain
07/27/2011CN101638990B Fireproof thermal-insulation layer of tunnel and construction method thereof
07/27/2011CN101592037B Ground slurry preparing system for preventing and extinguishing fire of coal mine
07/20/2011CN201902227U Dust removal and gas exhaust device for gas drilling construction
07/20/2011CN102128047A Gas-slag separation and recovering system for drilling construction
07/20/2011CN102128044A Dust-removing device and dust-removing system
07/20/2011CN102128034A Methane safe control method for tunneling methane stratum-containing tunnel shield
07/20/2011CN102125905A Cambered surface jet sprayer
07/20/2011CN102125901A Compressed-air automatic spraying device and system
07/20/2011CN101696631B Wet type negative pressure dust removing device of continuous coal mining machine
07/13/2011CN201896629U Novel mine dust-removal unit
07/13/2011CN201896628U Spraying control device used in blasting condition
07/06/2011CN201891428U Foamed dust catcher for cross section in mine tunnel
07/06/2011CN201891427U Dust removal system for pneumatic dry drilling
07/06/2011CN201891414U Supporting dust removing system device of heading machine
07/06/2011CN101696635B Wave-controlled spray-type fume and dust removing device for use in vertical shaft blasting and digging
07/06/2011CN101638991B High-tenacity waterproof and fireproof board specially used for tunnel and preparation method thereof
06/2011
06/29/2011CN201884048U Coal dust preventer for coalbed methane production
06/29/2011CN201884047U Local ventilative cooling dust collection purifier
06/29/2011CN201884046U Automatic watering and dust-settling device
06/29/2011CN201880503U Coal mine underground fire-proof material pneumatic agitating mixer
06/29/2011CN101737075B Rotary water curtain hole sealing dust suppression device
06/22/2011EP2336490A1 Survival module for one-way double barrel tunnels
06/22/2011CN201876588U Temperature sensing optical cable for monitoring downhole temperature of coalmine
06/22/2011CN201874645U Explosion-proof flame arrester
06/22/2011CN201874604U Diffused wind dust remover
06/22/2011CN201874603U High-pressure and small-jet device for preventing and controlling outburst of coal and gas
06/22/2011CN201874601U Explosion-proof shaft cover for return-air vertical shafts
06/22/2011CN201871439U Rotating water mist generator
06/22/2011CN102102529A High-pressure dust filtering and removing system for coal mine
06/22/2011CN102102497A Blowout prevention and dust prevention device
06/22/2011CN102102010A Foam dust arresting liquid and dust collecting method
06/22/2011CN102100995A Dust removal equipment special for coal mines
06/22/2011CN101766877B Inorganic salt type inhibitor for preventing and controlling spontaneous combustion of residual coal in goaf of coal mine
06/22/2011CN101699032B Adjustable rotary atomization device
06/15/2011CN201865686U Watering and dedusting vehicle for coal mines
06/15/2011CN201865685U Novel coal mine dust remover
06/15/2011CN201865530U Rotary explosion-proof door
06/15/2011CN201862496U Atomizer spray nozzle with automatic pressure regulating effect
06/15/2011CN102094667A Dust collector for mines
06/15/2011CN102094666A Foam dust collector
06/14/2011US7959088 Method and apparatus for producing droplet spray
06/08/2011CN201858133U Anti-explosion wiring device for compressor head of mine cooling machine set
06/08/2011CN201857992U Dust collector capable of preventing gas outburst
06/08/2011CN201857991U Explosion-proof and explosion-suppression device with wave absorption and energy absorption
06/08/2011CN102086773A Purification and ventilation device of air in tunnel
06/08/2011CN101487399B Stopping agent for preventing coal self-ignition and its production and use method
06/08/2011CN101476477B Down-hole tunnel gas explosion blocking device
06/01/2011CN201851156U Dust removing and spraying device for fully-mechanized mining face backward sliding machine tail
06/01/2011CN201851149U Dust removal water curtain spray head
06/01/2011CN201851148U Simple tunnel dust settling station
06/01/2011CN201851147U Dust removal device for mining surface of low coal seam
06/01/2011CN201851146U Explosion-proof and intrinsically safe controller with automatic dust-settling function
06/01/2011CN201851145U Spraying device for fully-mechanized mining face chute machine head
06/01/2011CN201851144U Coal extraction face blowback type quick explosion suppression device
06/01/2011CN201848187U Mine dry-type small cyclone composite filter dust remover
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