Patents
Patents for E21F 5 - Means or methods for preventing, binding, depositing or removing dust; Preventing explosions or fires (2,735)
01/2013
01/30/2013CN202707127U Atomizing sprinkler
01/30/2013CN202707126U Dust control unit used for coal mine gallery drilling orifice
01/30/2013CN202707125U Timing automatic spray device of belt transportation inclined shaft
01/30/2013CN202707124U Underground parallel jet-flow dust removal system
01/30/2013CN202707123U Mine watering dust-falling device controller
01/30/2013CN202707122U A mining comprehensive dust removing device
01/30/2013CN202707121U Dust-filtering water curtain lattice
01/30/2013CN202707120U Flameproof optical fiber temperature-measuring fireproof early warning device for coal mine well
01/30/2013CN202707119U Deep mine water-cooling cooling device
01/30/2013CN202707094U Multifunctional high strength front canopy device
01/30/2013CN202707060U Novel dust reduction spraying device for extraction of thin coal bed
01/30/2013CN102900459A Self-balancing water-seal-type anti-explosion device
01/30/2013CN102900458A Mine automatic dedusting system and method
01/30/2013CN102182494B Mechanical full-automatic roadway watering and dust rinsing vehicle
01/23/2013CN202690113U Dust catching mesh special for coal mine
01/23/2013CN202690112U Infrared automatic dust-removing water curtain improved device for transportation crossheading of fully mechanized coal mining face
01/23/2013CN202690111U Combined explosion-suppression water bag shed bracket
01/23/2013CN202690110U Box-shaped concrete side ditch siphonic water-collecting well capable of achieving fire extinguishing function
01/23/2013CN202690109U Fireproof fan system at cross aisle of tunnel
01/23/2013CN202690108U Coal mine dust-removing equipment
01/23/2013CN202690072U Mining roadway structure capable of preventing corner gas on coal mining work face from accumulating
01/23/2013CN202690059U Automatic spray device for thin coal seam mining scraper conveyer transshipment point
01/23/2013CN102889094A Coal seam water injection system
01/23/2013CN102887599A System for centralized water supply purification, softening and feed liquid proportioning for underground mining area
01/23/2013CN101943020B Powder for inhibiting firing and explosion of coal dust
01/17/2013US20130014963 Quick connect fire and dust suppression system
01/16/2013CN202673357U Automatic feeding and dust removing integrated device for mine concrete pump
01/16/2013CN202673332U Gas collector capable of removing dust
01/16/2013CN202673331U Automatic spraying system between remotely-controlled racks
01/16/2013CN202673330U Mining spraying and aspirating device
01/16/2013CN202673329U Automatic ventilation, fume exhaust and dust removal device used in hole digging construction
01/16/2013CN202673319U Movable natural ventilation and gas collector for underground mines
01/16/2013CN102877863A Wet-type injecting and reinforcing method of coal mine underworkings
01/09/2013CN202659272U Coal mine grouting fire extinguishing prevention pulping machine
01/09/2013CN102865095A Anti-spray dust removing device for bedding drilling
01/09/2013CN102865094A Extinguishment principle and construction scheme for spontaneous combustion open fire and dark fire of various mines or underground open fire and dark fire
01/09/2013CN102865080A Induced fracture engineering arrangement and non-blasting mining process for high-geostress hard rock
01/09/2013CN102861681A Arc fan nozzle used for reducing dust
01/02/2013CN202645618U Water jet dust remover
01/02/2013CN202645617U Automatic spraying device and coal mine transporting equipment
01/02/2013CN202645616U Tunneling head-on shock wave automatic sprinkling and spraying device
01/02/2013CN202645615U Dust removing device special for coal mine
01/02/2013CN202645578U Full-section rectangular hard-rock heading and anchoring integrated machine
01/02/2013CN202645573U Slagging-off machine with dust control and removal function
01/02/2013CN202645572U Slagging-off machine with slurry spraying manipulator and dust controlling and removing functions
01/02/2013CN102852545A Unpowered forward and backward moving water-spraying dedusting vehicle
01/02/2013CN102852544A Comprehensive dustproof technology of fully mechanized excavation face based on dust segregation
01/02/2013CN102852474A Drilling anti-dust device
01/02/2013CN102847476A Pneumatic jet-type proportional foaming device
01/02/2013CN101943019B Fireproof and dust removing device used for underground loader
01/01/2013US8342120 Apparatuses and methods for applying one or more materials on one or more substrates
12/2012
12/26/2012CN202628188U Mining explosion-proof and intrinsically-safe broadcast communication substation
12/26/2012CN202628162U Anti-explosion hydraulic watering cart
12/26/2012CN202628098U Two-stage jet flow dust remover applicable to dust environment
12/19/2012CN202611754U Belt machine head dust catching device for mine transportation
12/19/2012CN202611747U Foam dust-collecting device for coal mine
12/19/2012CN202611746U Dust collecting cover for down-the-hole drill
12/19/2012CN202611745U Dustproof device of underhole coal conveying transfer point
12/19/2012CN202611744U Dustproof device for coal mine drilling machine
12/19/2012CN202611701U Pneumatic glass-fiber-reinforced-plastic dust removal air blower
12/19/2012CN102828767A Gob natural fire control method
12/12/2012CN202596772U Dust-catching box of explosion-proof mining wet dust collector
12/12/2012CN202596771U Electronic acoustic control automatic spray and aspirating control device
12/12/2012CN202596770U Counter-rotating fan water atomization device of coal mine underground deduster
12/12/2012CN202596769U High-pressure mist-spraying frame of underworkings
12/12/2012CN202596768U Mine dust extracting device
12/12/2012CN102817629A Mining automatic atomizing and dust falling device
12/12/2012CN102817628A Special dust catching net for coal mine
12/12/2012CN102817627A Adjustable air flow distribution device
12/12/2012CN102182495B Gas dust catcher
12/12/2012CN102031988B Water-curtain dust fall system of storage bunker
12/12/2012CN101994548B Anti-explosion flame arrester
12/12/2012CN101712861B Wet type dust-laying agent composition and use method thereof
12/12/2012CN101476475B Ventilation method for chief wind road on fire
12/05/2012CN202578767U Blowing device of mining escape capsule
12/05/2012CN202578752U Control device of automatic spraying system of coal mining machine
12/05/2012CN202578751U Fire extinguishing and cooling system used in coal empty and loose areas of coal field fire zone
12/05/2012CN202578750U Automatic mist-spraying dustfall system
12/05/2012CN202578749U Automatic explosion suppression water bag
12/05/2012CN102808647A Split full-automatic disaster prevention device of coal mine
12/05/2012CN102808646A Upward-opening full-automatic disaster prevention device of coal mine
12/05/2012CN102808645A Enhanced fully-automatic disaster plugging and preventing device for mine
11/2012
11/28/2012CN202560296U Drainage drill hole anti-gas device of outburst mine
11/28/2012CN202560295U Mining pneumatic explosive-suppression water curtain
11/28/2012CN202560294U Novel intelligent spraying and dust suppression device
11/28/2012CN202560293U Novel air pressure type resistance pump device
11/28/2012CN202560292U Pneumatic screw rod glue injection device
11/28/2012CN202560291U Mining spraying pump
11/28/2012CN202560285U Dust-control fan drum for coal mining machine
11/28/2012CN102797493A Mechanical blasting automatic gas and water sprayer
11/28/2012CN102797492A Arrangement method for precracking roof for roof-cutting roadway
11/28/2012CN102796911A Porous foam Fe-Ni metal explosion suppression material and application thereof
11/28/2012CN101858226B Explosion proof and suppression method for wave and energy absorption
11/28/2012CN101813000B Equipment for preventing gas and coal dust explosion on working face
11/21/2012CN202544902U Mining carbon dioxide fire extinguishing device
11/21/2012CN202544901U Air-water linkage spraying device
11/21/2012CN202544900U Drilling orifice deduster for gas drainage
11/21/2012CN102787862A Wet vibrating string curtain type dust extraction fan used in coal mine and application method thereof
11/21/2012CN102787861A Anti-explosion robot for mine
11/21/2012CN102787843A Dirt band-containing coal seam working surface mining process
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