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WO/2015/110992A1 |
The invention relates to a method and a system for mine dewatering and ventilation operations. The method comprises steps of obtaining plant data in relation to mine dewatering and ventilation operation for model based control and optimi...
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WO/2015/103861A1 |
Disclosed is a method for extracting gas by drilling a hole in a gob-side entry retaining Y-type ventilation high-position return airway. The method comprises: constructing connection roadways (8) at intervals between a rail roadway roof...
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WO/2015/103675A1 |
In one preferred form of the present invention shown in Figure 2, there is provided an airflow restriction device for mining ventilation. The airflow restriction device comprises a body having an inflatable portion. The inflatable portio...
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WO/2015/103765A1 |
A method of using an ammonia desulphurization technology to efficiently remove acidic gas sulfide comprises the following steps: 1) preprocessing: through sulfur recovery, acid preparation and/or incineration preprocessing methods used f...
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WO/2015/092693A1 |
A fire detection and suppression system correcting fire detection based on wind. Wind may affect both the apparent position of the fire detected by the fire detectors and also the suppressant jet being delivered by a monitor. Typically w...
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WO/2015/082684A2 |
The invention concerns a smoke extraction module, a smoke extraction system and a method for using such a system which enables extracting of smoke from tunnels, in particular large road tunnels. The module comprises a duct for transporta...
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WO/2015/079097A1 |
The present invention relates to articulated transport equipment suitable for the transportation of rock material, intended for use particularly in mines and excavations, the transport equipment comprising a mobile transport equipment bo...
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WO/2014/194369A9 |
Cable or hose handlers are described each including a number of links; each link includes at least one aperture within the link which is adapted in use to house a portion of a cable or hose; each link includes at least first and second c...
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WO/2015/074100A1 |
An assembly for cooling air in a mine environment comprising: a water supply, a source of compressed air, a chiller unit having at least one inlet and an outlet. The chiller unit receives water from the water supp!y and compressed air fr...
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WO/2015/074490A1 |
Disclosed is a self-regenerative integrated device for the synergetic oxidation of low-concentration gas and ventilation gas in a coal mine. The integrated device comprises a metal shell (5). A honeycomb ceramic oxidation bed (13) is arr...
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WO/2015/072833A1 |
The invention relates to a tube for dewatering mining rock, which is used to convey the water emanating from the underground works of the mining industry to a safe or preferred place. The advantages of said tube for dewatering mining roc...
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WO/2015/068064A1 |
This invention relates to a concrete composition comprising metallurgical tailings derived from a mining process, a cementitious composition, a superplasticiser and a source of silica additional to any silica present in the metallurgical...
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WO/2015/062709A1 |
The invention concerns a person-protecting device (10) for accommodating people in order to protect them against gases, comprising a mechanically stable base module (20), with at least one closeable door opening (22), and a flexible air ...
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WO/2015/062195A1 |
A solid cementation backfill roadway type mining method for an ultra-thick seam. The ultra-thick seam in a section to be mined is evenly divided into a plurality of sub-layers H according to layer height, and is mined from top to bottom;...
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WO/2015/058487A1 |
The present invention relates to a system for dynamically monitoring roadway roof separation based on a fibre grating and a pre-warning method, which belongs to the field of mine safety monitoring. Three parts, i.e., a ground data proces...
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WO/2015/058561A1 |
Disclosed is a curing foam fluid generation device for preventing and extinguishing fire in a coal mine, comprising an integrated main machine (1), an automatically adding liquid storage tank (5), a slurry stirring system (6), an injecti...
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WO/2015/058488A1 |
An apparatus for monitoring a mining fiber grating roof separation layer comprises a perpendicular measurement barrel (1) disposed in roof drill hole and a packaging housing (19) connected under the perpendicular measurement barrel (1). ...
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WO/2015/058483A1 |
A method for separately mining and transporting a thick coal seam with gangue and backfilling a goaf with gangue, the method comprising: tunneling a transportation roadway (1) and a track roadway (2) in parallel in the coal, and connecti...
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WO/2015/055027A1 |
A mine fireproofing and fire extinguishing foam generator, comprising a foaming cylinder (1), a venturi tube (2) disposed inside the foaming cylinder (1), a liquid line (4) passing through the wall of the foaming cylinder and into the ve...
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WO/2015/055236A1 |
The invention relates to a method for positioning two devices for transferring bulk material relative to each other, wherein at least one device of said devices can be moved, and a material discharge or a material receiving portion arran...
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WO/2015/054286A1 |
A composition for use as rock dust is disclosed. The composition may include an inorganic particulate material treated with at least one surface treatment. The surface treatment may include at least one of a fatty acid, a salt thereof, o...
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WO/2015/046598A1 |
This transportation machine comprises: a loading platform onto which is loaded ore extracted from a seam of ore formed at an extraction site situated below a vein; a carriage to which the loading platform is mounted and which moves; a po...
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WO/2015/046611A1 |
A transporting machine is provided with a traveling device, a vehicle body disposed above the traveling device, a vessel provided in the vehicle body, and a support device for movably supporting the vessel. The traveling device has a fir...
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WO/2015/046600A1 |
This transport machine transports cargo. The transporting machine is provided with a traveling apparatus, a vehicle body disposed above the traveling apparatus, a vessel provided to the vehicle body, a first detecting device for detectin...
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WO/2015/046610A1 |
A transporting machine comprises a traveling device having a front wheel and a rear wheel, a front section at least a portion of which is positioned above the front wheel, and a rear section at least a portion of which is positioned abov...
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WO/2015/046609A1 |
A transport machine is provided with a traveling device, a vehicle body which has at least a part thereof disposed above the traveling device, a vessel which is provided to the vehicle body, a support device which includes a slide mechan...
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WO/2014/179573A9 |
A ventilation system for an underground mine includes a blowing curtain, a passive regulator in a shape of an airfoil and an airflow ventilation source. The passive regulator is positioned in the air path adjacent a discharge end of the ...
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WO/2015/027339A1 |
Disclosed are a transport vehicle for use in a pipeline conveyance system. The transport vehicle having a canister for transporting material to and from a worksite, at least a portion of the outer surface of the canister having a metal c...
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WO/2015/021782A1 |
A man-made retaining dam for an underground reservoir with a coal mine distributed around, and a damming method of same. The man-made retaining dam comprises a support layer (10), an anti-seepage layer (20), and a concrete structure laye...
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WO/2015/021529A1 |
A method of extracting materials from an underground mine comprises positioning a flexible conveyor train in a materials loading zone. The conveyor train may be loaded by, concurrently or intermittently, loading materials onto a loading ...
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WO/2015/021783A1 |
A man-made retaining dam for a coal mine underground reservoir. A man-made retaining dam (30) is embedded into a coal pillar dam body (2) and surrounding rock (3) around an auxiliary tunnel (1), a cross section of the man-made retaining ...
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WO/2015/013759A1 |
A hardenable or settable material comprises a hydraulic binder and particles of solid salt, the particles of solid salt containing NaCl and Na2CO3. The salt may also contain NaHCO3. The material may be used to fill voids in mines or disp...
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WO/2015/010461A1 |
A fissured substrata water pumping apparatus and method. The fissured substrata water pumping apparatus comprises a water pumping pipe (5) made of a seamless stainless steel tube which extends into a hole drilled into substrata. An expos...
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WO/2015/010160A1 |
The present invention relates to a dust suppression system for use in a container, and a misting apparatus therefor. In one form, the dust suppression, system comprises at least one misting apparatus for contributing to the creation of a...
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WO/2015/007103A1 |
A method for preparing a retardant slurry containing coal ash for controlling the fire disaster in a coal field comprises the steps of adding coal ash, aluminium phosphate, magnesium chloride, sodium carboxymethylcellulose, sodium silica...
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WO/2015/003488A1 |
An optical fiber grating sensor-based coal mine underground safety comprehensive monitoring system comprising an aboveground part and an underground part. The aboveground part comprises an optical fiber grating static demodulator, a comp...
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WO/2015/003219A1 |
A method and apparatus for removing methane from ventilation air in a mining situation is provided by a carbonation reactor CAR (1) which reacts a ventilation air methane stream VAR with a carbon dioxide scavenger to form a mineral carbo...
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WO/2015/002697A1 |
A heterogeneous composition for use as rock dust is disclosed. The heterogeneous composition includes a fine, wet ground inorganic particulate material treated with at least one fatty acid, a salt thereof, or an ester thereof, and a coar...
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WO/2014/197968A1 |
An compressor utilizing a flow of fluid down a vertical column to entrain air, or other gas, and compress it under the head of the flow. Compressed air is then separated from the flow in an air separation chamber at the bottom of the ver...
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WO/2014/194373A1 |
A hoist system for hoisting a conveyance from a mineshaft, comprising: a head frame mounted over the mineshaft; a hoist connected to the conveyance by an elongate flexible hoisting element so as to be operable to hoist the conveyance fro...
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WO/2014/194370A1 |
A variable length guide system for guiding a conveyance along a mineshaft, the variable length guide system extending downwardly from a work stage and being extendable or retractable to accommodate changes in distance between the work st...
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WO/2014/187171A1 |
Disclosed is a method for networked reinforcement of cross boreholes of an outburst coal seam, which is particularly applicable to the reinforcement of the cross boreholes for pre-extracting coal roadway strip gas in the outburst coal se...
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WO/2014/187172A1 |
Disclosed is a mine area distributed combined cooling heating power energy system for extracting gas for a coal mine. A gas extracting pump station (1), a gas storage tank (2), a hydraulic seal-type arrester (3), a silk screen filter (4)...
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WO/2014/183199A1 |
The present invention refers to a set of methods and procedures that may be combined in order to greatly increase the speed of development of an access ramp in a underground hard-rock mine. More particularly, the present invention was de...
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WO/2014/183191A1 |
The present disclosure relates to an overhead rail system having a pair of parallel rails, mountable to an overhead structure, and a rack line fixedly mounted underneath each rail. A pair of chariots is mounted on the pair of parallel ra...
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WO/2014/176952A1 |
Disclosed is a method for partitioning, grading and forecasting rock bursts in an underground coal mine, belonging to the category of a method for forecasting rock bursts in a coal mine. The method of forecasting integrates the superpose...
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WO/2014/167144A1 |
The invention relates to a system and device for improving the monitoring and safety of workers at a pre-determined location. The system comprises: a set of cap lamps (devices), known as primary nodes, including a lighting device, a ligh...
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WO/2014/165903A1 |
In combination a loader unit and haul unit for use in a block caving mining operation. Each of the loader unit and the haul unit comprise a removable bucket, which can be used for loading ore. In use the bucket carrying a load of ore can...
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WO/2014/163538A1 |
The invention relates to a shielded draining pipe mesh (1) for mounting on a surface and for being covered by shotcrete (7). The pipes (2) are U-shaped in cross section with an open side facing the surface. The pipe (2) is provided with ...
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WO/2014/164044A1 |
The present invention provides processes for filling gaps and voids generated or encountered in gas and oil drilling operations or for geo- stabifization with polychloroprene latex which has been coagulated in a controlled fashion. The i...
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