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)
09/2010
09/29/2010CN101845960A Ventilation air methane countercurrent oxidation device with flue gas suction device
09/22/2010CN201588652U Dedusting device for manual excavation pile operation
09/22/2010CN201588651U Downhole mechanical sinker bar type automatic water-spraying and dust-settling device
09/22/2010CN201588650U Control device for underground purification water curtain of coal mine
09/22/2010CN201588649U Novel coal seam water infusion hole sealing device
09/22/2010CN201588631U Nylon water injecting valve body used for tunnel driving rock drilling machine
09/16/2010WO2010104331A2 Roof type high-speed tunnel air cleaning system
09/15/2010CN201581930U Mining circulating robot
09/15/2010CN201581916U Foam dust removal device
09/15/2010CN101832148A Fire extinguishing medium irrigation device for coal mine ground drilling
09/15/2010CN101251024B Foam generator for dedusting coal mine
09/10/2010WO2010099572A1 Dust scrubber
09/08/2010CN201574775U Dust reducing device for gas drainage hole in coal mine
09/08/2010CN201574774U Automatic water supplying system for mine-used explosion-proof water bag
09/08/2010CN201574773U Multifunctional water-jet dedusting device
09/08/2010CN201574759U Device for reducing dust generated by drilling holes on fully-mechanized excavation face in coal mine
09/08/2010CN101828005A Method of controlling mine fires with polymeric gel
09/01/2010CN201568081U Device for realizing reliable communication and provision in pit
09/01/2010CN201568074U Combined type bendable purified spaying frame
09/01/2010CN201568073U Hydraulic system of concrete damping machine
08/2010
08/25/2010CN201560795U Apparatus for controlling dust with wind as medium during boring construction for gas drainage
08/25/2010CN201560794U Automatic spraying dust suppression device
08/25/2010CN201560793U Automatic spraying device for saving system on coal mine
08/25/2010CN201560792U Shotcrete machine wet dust collector for coal mines
08/25/2010CN201560791U Whole section spray device for coal mines
08/25/2010CN201560790U Atomizing automatic interlocking device of mining surface transfer conveyor
08/25/2010CN201560789U Automatic spraying device when blasting
08/25/2010CN201558649U Mining wet filtration type dust collector unit
08/25/2010CN101813000A Equipment for preventing gas and coal dust explosion on working face
08/25/2010CN101812986A Coal remover
08/25/2010CN101811856A High water cementation fire preventing and extinguishing material
08/19/2010DE202010006842U1 Der Aschenfänger für Vulkan Eyjafjallajökull The ash catcher for volcano Eyjafjallajökull
08/19/2010DE102009008596A1 Verfahren zur Sanierung und/oder Erweiterung von befahrbaren Tunnelröhren Method for restoring and / or expansion of navigable tunnels
08/18/2010EP2218871A2 Method for renovating and/or expanding navigable tunnel tubes
08/18/2010CN201554489U Thickening pulverized fuel ash grouting automatic feeder
08/18/2010CN201554488U Automatic water spraying and dust falling device of bin
08/18/2010CN201554487U Novel dustproof device for coal bed drilling
08/18/2010CN201554050U Bucket type transloader with automatic spraying device
08/18/2010CN1951571B Electric dust collector
08/18/2010CN101082282B Movable coal mine fully-mechanized mining working faces end head plugging air bag for safety
08/11/2010CN201546754U Roadway energy-saving spray car
08/11/2010CN201546753U Multifunctional water injection device
08/11/2010CN201546752U Front canopy with spray dust-removal function
08/11/2010CN201546751U Dust removal device for underground roadways and spray lance thereof
08/11/2010CN201546750U Foam generator for coal mine dust control
08/11/2010CN201546749U Coal seam drilling dust extinction device
08/11/2010CN201546748U Pneumatic dust removal fan walking device
08/11/2010CN101798938A Mining vehicle dust cover for underground coal mine
08/11/2010CN101798937A Mechanical blasting sprayer
08/04/2010CN201539276U Rotary water curtain hole sealing dedusting device
08/04/2010CN101793160A Environment-friendly flame-retardant high-molecular gel inhibitor for preventing coal from spontaneously combusting of coal mine
08/04/2010CN101344006B Tunnel fire-proof slab and preparation method thereof
07/2010
07/28/2010CN201535165U Wet type negative pressure dedusting device for continuous coal cutting machine
07/28/2010CN1947816B Large section single opening tunnel explosion suppression and fire-extinguishing method
07/28/2010CN1693675B Full automatic coal mine gas prewarning explosion-proof system
07/28/2010CN101787289A Method for preparing fireproof and explosion suppression pulverized fuel ash carbon dioxide material
07/21/2010CN201529335U Multifunctional integrated fireproofing and extinguishing device
07/21/2010CN101781393A Resin for high-flame-retardant phenol formaldehyde foam and production method thereof
07/14/2010CN201526341U Long-distance colloid slurry filling device
07/14/2010CN201526336U Mining drilling orifice dust remover
07/14/2010CN201526335U Adjustable rotary spraying device
07/14/2010CN201526334U Wet type dust removal fan variable angle helical surface swirler for coal mine
07/14/2010CN201526326U Baud board tunnel fireproofing structure
07/14/2010CN201526322U Novel block cutter for mining rock excavation
07/14/2010CN101773707A Tunnel fire extinguishing curtain
07/07/2010CN201521313U Automatic flame-proof device without power supply for mine gas and coal dust explosion
07/07/2010CN101766877A Inorganic salt type inhibitor for preventing and controlling spontaneous combustion of residual coal in goaf of coal mine
06/2010
06/30/2010CN201517423U Vertical shaft blasting wave-control spraying type smoke and dust removing device
06/30/2010CN201517422U Liquid level maintaining device for mining flame-proof water bag
06/30/2010CN101761376A Exhaust explosion-proof device for mine engines
06/30/2010CN101761354A Vertical structure oxidation bed of mine ventilation air gas thermal oxidation device
06/30/2010CN101761337A Air curtain sealing dedusting system on fully-mechanized excavating face
06/30/2010CN101761310A Drilling hole guiding and centering device of drilling machine
06/23/2010CN201513196U Dust suction hood of electrical drilling machine
06/23/2010CN201513195U Hydraulic punched hole jet spray-head device
06/23/2010CN201513194U Dust-prevention purification device for grouting mixing drum
06/17/2010WO2010065981A1 Stone dusting
06/17/2010CA2745836A1 Stone dusting
06/16/2010CN1888396B Moving air curtain type smoke and dust removing method and apparatus thereof
06/16/2010CN101737077A Device and method for mine ventilation gas emission reduction and comprehensive utilization
06/16/2010CN101737076A Sectional type tunnel smoke exhaust system and method by water curtain separation
06/16/2010CN101737075A Rotary water curtain hole sealing dust suppression device
06/16/2010CN101737074A Trolley for eliminating underground toxic gas
06/16/2010CN101735771A Dust fall agent for water mist dust fall
06/09/2010CN201502395U Mine centralized control timing air-flow purifying drenching installation
06/02/2010CN201496095U Spray purifying device
06/02/2010CN201496094U Underground dust-proof automatic control device
06/02/2010CN201496093U Self suction pressure-generation dust control device for reciprocating drill
06/02/2010CN101717617A Dedusting agent composition and using method thereof
06/02/2010CN101092879B Method for injecting retarder to coal body
05/2010
05/26/2010CN201486588U Mine automatic spraying and dedusting device
05/26/2010CN201486587U Full-mechanized mining face full-automatic support spraying device
05/26/2010CN201486586U Water injecting and hole sealing device for coal body of coal face
05/26/2010CN101713296A Composite gel inhibitor for preventing and controlling spontaneous combustion of coal in coal mine and preparation method thereof
05/26/2010CN101712861A Wet type dust-laying agent composition and use method thereof
05/26/2010CN101712836A Mildewproof flame-retardant tunnel decoration paint, preparation method and application thereof
05/26/2010CN101220745B Method for using poly-sodium acrylate as anti-caking agent of vulcanizing ore
05/19/2010CN201470229U Environment-friendly dust suppression device
05/12/2010DE202010001744U1 Sprühdüseneinheit Spray nozzle
05/12/2010CN201460968U Soft conveyer for conveying explosive and sealing material to deep hole of coal mine
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