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WO/2021/237266A1 |
Disclosed herein are a control method and system. The system includes: a deactivation control; a control centre controller for storing an association between the deactivation control and a selected set of mine sites; a plurality of auton...
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WO/2021/240062A1 |
A method, a system, and a computer program product of real-time estimation of risk in an excavation. The method for a real-time estimation of risk in an excavation, such as in a mine or a tunnel, wherein the method comprises receiving (4...
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WO/2021/237912A1 |
A subsidence-restricted stoping method for a false mined-out layer (14) support formed in combination with the waste rock, relating to the technical field of prevention and control of mining engineering stoping and surface subsidence. Th...
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WO/2021/239225A1 |
24 Abstract The invention relates to a drum cutter arrangement (10) for a carrier vehicle (1), the drum cutter arrangement (10) comprising: a main element (20) with a longitudinal extension (L); a first and a second rotatable cutting dru...
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WO/2021/232905A1 |
A coal-terrestrial heat collaborative mining method based on a fault water conducting fissure zone, which fully utilizes a geothermal water collection zone (1) for coal-terrestrial heat collaborative mining. A heat energy exchange statio...
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WO/2021/236002A1 |
The present invention relates to an integrated raise caving mining method for mining deposits in rock mass comprising: developing at least one raise (102,102a-f,202,302a-g,402a-e) in the rock mass (10), developing a drawbell (100,100a-c,...
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WO/2021/236000A1 |
The present invention relates to a Raise Caving mining method for mining ore from an ore body comprising developing at least two slots (3a, 3b) in a rock mass and leaving a pillar (9a) of rock mass to separate adjacent slots (3a, 3b) in ...
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WO/2021/227238A1 |
Disclosed is a gas-liquid spraying and dust suppression system for a fully mechanized mining face, which relates to the field of dust suppression systems. The gas-liquid spraying and dust suppression system for the fully mechanized minin...
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WO/2021/230747A1 |
The invention relates to a mining system for mining minerals in a deep sea, wherein the mining system comprises a submerged mining assembly that has a station that is suspended from a vessel, a container for shuttling between the station...
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WO/2021/224373A1 |
According to an example aspect of the present invention, there is provided a method, comprising: receiving, during a first action of an automatic adaptive loading procedure by a work machine (10) equipped with a boom (14) and a bucket (1...
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WO/2021/222981A1 |
Provided is a comminution arrangement (10) for a mine site, said arrangement (10) comprising a feed bin (12) for receiving mined material. Feed bin (12) comprises a grizzly (14) at an upper portion thereof configured to allow material be...
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WO/2021/223668A1 |
Disclosed in the present application is a method for using carnallite to prepare potassium chloride. The method comprises: first using fresh water to mine and treat carnallite ore by means of a high-temperature water-dissolving method to...
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WO/2021/224374A1 |
According to an example aspect of the present invention, there is provided a method, comprising: detecting (200) a work machine (10) comprising an electric drive line (300), a boom (14), and a bucket (16) connected to the boom to enter a...
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WO/2021/219131A1 |
A roof-cutting tunnel-retaining no-pillar mining method, comprising the following steps: constructing a gas extraction tunnel and performing outburst elimination on a working surface transport gate road (4) region and a working surface t...
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WO/2021/220040A1 |
An apparatus and method for extracting sand from an underground sandstone formation. The apparatus comprising: a conduit having an upper end and a lower end to engage a sandstone formation, a gas injection line to inject gas at an inject...
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WO/2021/220669A1 |
This transport vehicle management system is provided with: a storage unit that stores a traveling path outer shape line indicating an outer shape line of a traveling path at a work site and an intersection outer shape line indicating an ...
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WO/2021/212170A1 |
A bulkhead for use in facilitating backfilling of a stope upon mining thereof includes a skid having a base and a pair of post members extending upwardly from the base. The bulkhead also includes a barrier having a primary grid assembly ...
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WO/2021/214655A1 |
A method of vertically transporting emulsion explosive includes, using a pump, pumping a predetermined volume of emulsion explosive, from an emulsion explosive reservoir, into a vertically extending pipe, wherein pumping is effected airt...
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WO/2021/204765A1 |
This disclosure relates to a disk cutter (100) for a cutting assembly of a rock excavation machine. The disk cutter comprising a cutter body (102) including at least one light-weighting aperture (110).
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WO/2021/203453A1 |
An on-site microwave rock breaking simulation system and an on-site microwave rock breaking simulation method. The on-site microwave rock breaking simulation system comprises a microwave source (1), a wave guide tube (2), a circulator (3...
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WO/2021/197069A1 |
A dust suppression spraying apparatus for use on a fully-mechanized coal-mining face, comprising a moving part (1) having two degrees of freedom, a ball head (2), and a nozzle (3). The dust suppression spraying apparatus for use on a ful...
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WO/2021/197784A1 |
A vehicle (6) apparatus for removing material from the seabed is disclosed. The vehicle comprises first thrusters (10) for moving the vehicle vertically and second thrusters (12) for moving the vehicle horizontally. A collector unit (16)...
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WO/2021/191775A1 |
The invention relates to mining machines. The present mining machine comprises a chassis, a lower cutting device, at least one working member comprising a double-rotor module, and a means for controlling said working member, the double-r...
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WO/2021/184614A1 |
Disclosed is an intelligent decision control method and system for fully-mechanized mining equipment used for a working surface under a complex condition. The system comprises a full pose measurement system (100) of the fully-mechanized ...
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WO/2021/184081A1 |
A block cave has a draw column height of at least 450 m, a caved volume, a single extraction level and noundercut level, a plurality of drawbells extending upwardly from the extraction level to the caved volume, and a plurality of pillar...
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WO/2021/184694A1 |
A cryogenic fracturing and roof caving method for hard roof in goaf of a coal mine, applicable to the technical field of enhanced fracturing of roof in goaf of a coal seam. Digital display thermometers (1), temperature sensors (3), water...
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WO/2021/180689A1 |
The present application relates to a method and a system for the long-term management of the tailings generated during bauxite mining. Bauxite ores are often found under a shallow (normally less than 15 meters) layer of soil (called over...
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WO/2021/180983A1 |
Rock reinforcement apparatus, in particular to be used in a rocky quarry, preferably in an ornamental natural stone quarry, characterized in that it comprises: a cartridge with longitudinal development and comprising at least one chamber...
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WO/2021/181140A1 |
Rock reinforcement apparatus (1), in particular to be used in a rocky quarry, preferably in an ornamental natural stone quarry, characterized in that it comprises: - a cartridge (2) with longitudinal development and comprising at least o...
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WO/2021/179063A1 |
A machine and method for making underground excavations in rock, The machine comprises hydraulic percussion hammers which drive drill bits into the rock face to be bored. A hydraulic power unit (HPU) is located on the machine. The HPU po...
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WO/2021/172527A1 |
A method for collecting rare earth sludge according to the present invention includes: (A) a step for forming a depression in the sea floor by excavating a layer under the sea floor which includes rare earth sludge, and causing a state i...
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WO/2021/172540A1 |
A method for recovering rare-earth mud according to the present invention includes (A) a step for causing a mud-collecting pipe to penetrate a subseafloor layer that contains rare-earth mud, (B) a step for loosening the rare-earth mud wi...
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WO/2021/165922A1 |
Described is a deep-sea mining vehicle for taking up mineral deposits from a seabed at great depth, and optionally transporting said deposits to a floating device. The vehicle comprises a support frame provided with means for moving the ...
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WO/2021/165918A1 |
Described is a deep-sea mining vehicle for taking up mineral deposits from a seabed at great depth, and optionally transporting said deposits to a floating device. The vehicle comprises a support frame provided with means for moving the ...
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WO/2021/165920A1 |
Described is a deep-sea mining vehicle for taking up mineral deposits from a seabed at great depth, and optionally transporting said deposits to a floating device. The vehicle comprises a support frame provided with means for moving the ...
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WO/2021/155179A1 |
A se!f-propelled roadway maintenance machine (20) has an operator's station (36) located on a front portion of the machine's chassis (24) and including a forward-facing operator's seat (40). A driven implement, such as a crack routing cu...
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WO/2021/148104A1 |
A cutting assembly (1) for a mining machine (2), said cutting assembly (1) comprising a central hub (3) comprising at least one arm (4) extending radially outwards from the central hub (3), wherein the arm (4) is provided with at least o...
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WO/2021/143491A1 |
An environmentally-friendly semi-closed-loop deep sea ore hydraulic lifting system, comprising a water injection pump (1), a water injection vertical pipe (2), a deep-sea multi-high-pressure feed bin feeding device (3), a lifting vertica...
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WO/2021/143490A1 |
A deep-sea ore hydraulic lifting system having a deep-sea single high-pressure silo feeding apparatus, comprising a water injection pump (1), a water injection vertical pipe (2), the deep-sea single high-pressure silo feeding apparatus (...
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WO/2021/141779A1 |
A tooth assembly having an adapter, a tooth, and a pin. The adapter and the tooth each have a first portion and a second portion. The first portion of the adapter is adapted to be combined with an earth-digging implement. The second port...
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WO/2021/139077A1 |
A method for producing a mushroom-shaped diamond tooth head cutting pick, comprising: compounding diamond micro-powder and a carbide substrate into a mushroom-shaped diamond composite tooth head under high temperature and high pressure c...
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WO/2021/129433A1 |
A shock absorption device for a roadheader for coal mine. The shock absorption device comprises a fixing plate (1). Supporting plates (3) are provided in the middle of the upper surface of the fixing plate (1); the upper portions of the ...
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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/2021/120501A1 |
A cutting apparatus with a quick-change tool holder for use in a ground processing machine, the cutting apparatus (1) comprising a tool holder (2) and a base (3), the tool holder (2) having a main body (210), a tool mounting part (22) be...
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WO/2021/120500A1 |
A cutting device (1) that is provided with a fastening component, the device comprising a cutter holder (2), a base body (3), at least one fastening component (5) and a locking component (4), wherein the fastening component (5) and the l...
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WO/2021/119628A1 |
A submersible vehicle for collecting material from a seafloor includes a chassis. A module may be supported on the chassis, the module including an electric power supply. A drive system may be supported on the chassis, the drive system i...
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WO/2021/110500A1 |
This disclosure relates to a disk cutter (18) comprising a cutter body, a plurality of tool holders (24) and a plurality of cutting elements (22) mounted to the tool holders. The tool holders and cutting elements are provided in at least...
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WO/2021/103533A1 |
Disclosed is an operation-controllable, roof-cutting, pressure-relief, gob-side entry retaining method, comprising the steps: providing a plurality of boreholes (1) in an advancing working face in the extension direction of a tunnel (18)...
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