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WO/2021/156088A1 |
A system (200) for installing a service system in a road tunnel, said system being suitable for collecting and conveying the leakage water that drips in the tunnel; said system comprising sections (1) fixed on the intrados (102) of the t...
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WO/2021/147258A1 |
The present application relates to a smart wearable device and a use method therefor. The smart wearable device comprises a helmet and a protective suit. The helmet is in communication with the inside of the protective suit, and the prot...
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WO/2021/147644A1 |
Disclosed are a device and method for forming a local dust-free space for use in a mine. The local dust-free space consists of a planar jet air curtain generation device (1) and a fresh air supply system (2). The planar jet air curtain g...
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WO/2021/143068A1 |
Disclosed is an experimentation device (1) for the simulation of airflow-gas-dust multi-phase coupling spatial-temporal evolution at a fully mechanized excavation working face, the experimentation device is provided with a simulated exca...
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WO/2021/143591A1 |
Disclosed are an environmental testing method, device and system. The environmental testing device (10) comprises: a motion component (11), an environmental testing component (12), a control component (13), and a communication component ...
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WO/2021/134137A1 |
The present invention describes a method for stabilising suspended dust from particulate material from fixed sources, such as tailing deposits, the method comprising: (a) selecting the land to be treated and sampling the land to be treat...
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WO/2021/128933A1 |
A fluidized mining method for in-situ pyrolysis gas of a high gas coal seam. The method is applicable to a coal seam having low permeability, low-temperature strong oxidizability, and high gas content or a closed goaf remaining coal seam...
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WO/2021/129194A1 |
Disclosed are a waterproof flow guide device which can better guide flow by means of a wave-shaped flow guide plate (1) and is provided with a blocking net structure to prevent a flow guide drainage pipeline from being blocked, and a wat...
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WO/2021/129434A1 |
A safety protection device for coal mining, the device comprising a back plate (1) with the side end connected to an elastic strap rope (2), wherein the upper end of the back plate (1) is connected to a protective top plate (3), the rear...
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WO/2021/122576A1 |
According to an example aspect of the present invention, there is provided a method, comprising: (310) receiving a tunnel model of an underground tunnel system of a worksite, (320) receiving a route point entry indicative of a route poin...
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WO/2021/124262A1 |
The invention relates to apparatus and a method of hoisting solids in an underwater environment. At least one but preferably three water-filled chambers (102) are provided. A solids inlet (132) is opened to introduce solids at a position...
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WO/2021/119740A1 |
Disclose is a separator for separating liquid from a fluid stream including a mixture of gas and liquid. The separator comprises a first vessel including an outlet and an inlet for receiving the fluid stream, the first vessel in fluid co...
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WO/2021/120991A1 |
Disclosed is a method for reconstructing a shield tunnel for mining construction. The method comprises the steps of: 1, carrying out construction preparation; 2, abandoning a shell of a shield tunneling machine and disassembling the shie...
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WO/2021/120701A1 |
Disclosed is a coal seam permeability increasing method utilizing cyclic damage of liquid nitrogen cold impact and phase change gas. According to the method, a through-layer borehole (8) running through a rock layer to a coal seam (1) is...
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WO/2021/114519A1 |
A method for diagnosing an abnormality in a mine ventilation system employing real time monitoring of airflow, comprising the following steps: step 1, determining the effect of an abnormality in a ventilator in the mine ventilation syste...
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WO/2021/114651A1 |
A tunnel boring machine construction-based guide management system, comprising a control module, a bottom communication module, a data acquisition module, a data management module, a calculation analysis module, and an interface display ...
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WO/2021/108866A1 |
The present invention relates to a ventilation control device for controlling the ventilation of a mine tunnel being formed by a continuous miner arrangement. The device includes a frame for extending across the tunnel and permitting pas...
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WO/2021/109648A1 |
A bottom support structure for an emulsion pump station, comprising a frame body, a liquid return main pipe (1) and a liquid supply main pipe (2); an emulsion pump is mounted on the frame body, a cavity is provided in the middle of the f...
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WO/2021/109537A1 |
An ultra-long tunnel sewage disposing and separation drainage structure suitable for cold regions, comprising a portal segment drainage structure and a trunk segment drainage structure, as well as an outside clean water trench (14), an o...
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WO/2021/109649A1 |
A liquid supply system for an emulsion pump station comprises a bottom support component (1). An accumulator (2), a liquid supply component (3), and a liquid collection component (4) are disposed on the bottom support component (10). A f...
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WO/2021/103433A1 |
A method for tunnel measurement and control on the basis of a combination of a 3D laser scanner and BIM: performing 3D point cloud scanning on the inside of a tunnel at each stage to obtain point cloud data (S1); using professional point...
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WO/2021/103809A1 |
A movable-threshold fire protection sealing door for a high-speed rail tunnel escape route, comprising a door frame (1), a door (2), hinges (3), locks (4), a movable threshold (6), and a sealing apparatus (5). The door frame (1) is mount...
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WO/2021/103436A1 |
A device using a fiber grating to monitor a coal mine dynamic disaster comprises: a data acquisition device, used to acquire a shock wave signal in a coal mine, the shock wave signal reflecting a current possibility of coal and gas outbu...
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WO/2021/103193A1 |
A goaf crossing filling method, relating to the technical field of downhole filling and mining, and comprising the steps of: after the working face advances, providing a horizontal filling body behind the working face from the open-off c...
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WO/2021/101427A1 |
The invention relates to a work vehicle (1) comprising an operable arm (10) adapted to handle a tool (A-D) fastened to the free end of the arm, a control unit (4) for controlling the work vehicle (1), a dust control system arranged to di...
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WO/2021/097937A1 |
A long tunnel water drainage system, a downward sloping bore hole (2) being formed by drilling the surrounding rock of a tunnel (1), a water drainage pipe (3) being placed in the bore hole (2), a water inlet of the water drainage pipe (3...
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WO/2021/093123A1 |
A roadway wall displacement measurement device and method. The device comprises a particle emitting source (1) used for emitting charged particles, a first space used for selecting the charged particles having a specific speed, a particl...
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WO/2021/088190A1 |
A method for using multiple parameters and measurement while drilling to determine a coal mass stress peak region and issue an early warning, relating to the field of early warnings for mine disasters. The method specifically comprises: ...
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WO/2021/083039A1 |
An aqueous medium guarantee system (200) for a coal face. An aqueous medium is used as a working medium. The system comprises: a working medium use mechanism (209); a working medium storage mechanism (205), the working medium storage mec...
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WO/2021/078408A1 |
The present invention refers to a human interface operating device (14) of an underground mining machine, comprising a rotatably and axially actuatable control element (18) for controlling functions of the underground mining machine.
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WO/2021/080462A1 |
A device for producing water mist in a coal mine is claimed. The technical result is increased operability of the device. The device for generating water mist in a coal mine consists of dismountable portable filters for cleaning water an...
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WO/2021/078099A1 |
Disclosed are a transportation device for an integrated liquid supply system, a control system thereof, and an integrated liquid supply apparatus. The transportation device comprises a plurality of sequentially connected flatbed truck as...
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WO/2021/077842A1 |
Disclosed is a mobile ventilation, dust-removal and cooling integrated device for a mine underground roadway driving face. The device comprises a ventilation system, a dust removal and cooling system, a condenser (16), an activated carbo...
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WO/2021/073497A1 |
Disclosed is a broken stratum TBM jamming risk early-warning method based on a torque-thrust ratio. The method comprises the following steps: S1, collecting, by means of exposing a surrounding rock geological sketch of a shield, surround...
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WO/2021/068746A1 |
Provided is an image acquisition device (1) for tunnel inspection, comprising a plurality of CCD cameras (11), a plurality of auxiliary light sources (12), and a fixing support (13). The CCD cameras (11) and the auxiliary light sources (...
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WO/2021/068691A1 |
A strong-weak-strong clean mining and full filling method for a coal mine. The method is particularly suitable for coal mining of "three-under" pressure coal in a coal mine having a difficulty in mine water treatment. A coal body to be m...
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WO/2021/071353A1 |
The present invention relates to a method for covering open mine area in the mitigation of abandoned mine drainage formation and a system thereof. Accordingly, the method (100) includes: a) providing a plurality of modular panels (110); ...
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WO/2021/051203A1 |
Provided herein are systems and methods for cooling a volume or structure, which may provide for cogeneration of refrigeration and electricity from a cryogenic liquid. Methods described herein may include steps of converting a cryogenic ...
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WO/2021/052629A1 |
The present invention relates to a warning device for a mining control module for facilitating a replacement. Accordingly,, a warning device for a mining control module is suggested, which comprises a housing (10) that is configured to b...
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WO/2021/053111A1 |
According to an example aspect of the present invention, there is provided a method, comprising: receiving a three-dimensional tunnel model (410) of an underground tunnel system of a worksite, receiving two-dimensional position data (420...
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WO/2021/047748A1 |
A connection device (1) for suspending a monorail beam, wherein the connection device (1) comprises a top anchor (2) integrated with a roof bolt or attachable to a roof bolt, wherein the connection device (1) comprises a clamping device ...
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WO/2021/045722A1 |
A system for mining material in an underground tunnel, comprises a rail on the roof of the tunnel. A tram is supported on the rail and is movable along the rail. The tram has a conveyor for moving material along the length of the tram. M...
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WO/2021/042207A1 |
There is described an interior positioning system for tracking spatial position of communication devices within a remote location. The interior positioning system generally has: a radio frequency network distributed through said remote l...
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WO/2021/046585A1 |
The invention provides a process for backfilling which includes a step of pumping a slurry to a backfill site and allowing it to set therein, the slurry comprising water, an aggregate and a backfill admixture composition comprising a sea...
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WO/2021/035893A1 |
Provided is a multi-level early warning method for overall efficiency of a main shaft hoisting system. The method comprises: firstly, setting start-up rate, load rate and hoisting quality qualification rate control lower limit of a main ...
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WO/2021/036597A1 |
A robot for intelligently monitoring and evaluating a dangerous gas source in unsealing a closed tunnel of a coal mine and a monitoring and evaluation method are disclosed. The robot comprises a control system (1), a crawler drive system...
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WO/2021/027128A1 |
A shaft inspection system and a steel wire rope moving device thereof. The moving device comprises steel wire rope moving tracks (2) and moving mechanisms. Each moving mechanism comprises a housing (5), a driving motor, and several movin...
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WO/2021/027292A1 |
A roof deformation high precision monitoring and early warning system, comprising explosion-proof optical fibre sensors (6), a sensor integration apparatus, a signal conversion apparatus, a data transmission apparatus and a data processi...
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WO/2021/027130A1 |
A rail synchronous moving device for a wellbore inspection system and a control method therefor. Said moving device comprises an upper moving rail, a lower moving rail, an upper steel wire rope moving device, a lower steel wire rope movi...
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WO/2021/024196A1 |
The invention relates to a forced ventilation installation (1) with relays to provide ventilation of multiple underground working faces, based on the interposition of a plenum (3) between one or more primary lines (2) supplying outside a...
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