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Matches 1 - 50 out of 6,099

Document Document Title
WO/2019/213749A1
According to embodiments described in the specification, an exemplary method is disclosed for hydraulically hoisting potash (or other evaporite ore) 'fines' material from an underground mine. The method includes mining an ore deposit usi...  
WO/2019/213989A1
An engineering rock mass high-power microwave in-hole cracking device, comprising a high-power microwave generator, a high-power microwave coaxial heater, high-power low-loss microwave coaxial transmission lines, and a microwave power ad...  
WO/2019/186430A3
This invention relates to a scrubber and more particularly, but not exclusively, to a scrubber for scrubbing a gas or air stream. The scrubber includes a scrubber body with a flow path between an inlet and an outlet of the body. At least...  
WO/2019/210881A1
A reciprocating impact bevel discharging shovel of a reciprocating impact mining machine, comprising a reciprocating impact box and a reciprocating impact bevel discharging shovel (1). The reciprocating impact box comprises a reciprocati...  
WO/2019/204900A1
A precision mining system having mining equipment manipulable to recover material with mineral resources, the system comprising: an image sensor for capturing real-time imagery of a geographical location having material with mineral reso...  
WO/2019/205558A1
Disclosed are a method and device for controlling top coal caving performance by means of pulse hydraulic fracturing. The device comprises a hydraulic fracturing pump set (7), a high-pressure rubber hose (8), a packer (6) and a high-pres...  
WO/2019/205227A1
Disclosed is a flexible shield support mining method for a steeply inclined coal seam. The method comprises: installing a flexible shield support (1), injecting water into a coal wall of a coalface (8), exploding the coalface, and removi...  
WO/2019/205515A1
The invention relates to the field of coal seam gas extraction. Disclosed is a method of extracting gas from a tectonically-deformed coal seam in-situ by depressurizing a horizontal well cavity. A horizontal well drilling and reaming sub...  
WO/2019/205472A1
Provided are a controllable pressure jetting apparatus based on a hydraulic energy accumulator and a jetting method. The jetting apparatus comprises a pressure storage system, a pressure holding system, a sealing system and an injection ...  
WO/2019/204595A1
A method for transporting material from a hard rock mine having a plurality of benches extending downwards from a surface of the mine. An extendable conveyor system having a head disposed at or near the surface of the mine and a tail dis...  
WO/2019/201536A1
The invention relates to a milling pick, in particular a straight shank pick with a pick head (40) and a pick bit (30) consisting of a hard material, wherein the pick bit (30) comprises a fastening region where it is connected to the pic...  
WO/2019/201534A1
The present invention relates to a milling pick, in particular a straight shank pick with a pick head (40) comprising a pick bit (30) made of hard material as the cutting element, wherein a pick shaft (10) is further coupled directly or ...  
WO/2019/201535A1
The invention relates to a milling pick, in particular a round-shank pick, having a pick head and a pick tip, consisting of a hard material, wherein the pick tip has a fastening region, in which it is joined to the pick head, wherein the...  
WO/2019/203731A1
An aspect of the present invention relates to a method of mining in a rock formation, comprising: drilling blastholes extending into the rock formation, each of the blastholes having a depth between a first end and a second end, wherein ...  
WO/2019/200210A1
An orientation plate (9000) configured to orient a tool bit (5000, 6000, 7000) relative to the centerline (CL) of an adapter board (102) comprises a rectangular body (9001) defining a top surface (9006), a bottom surface (9008), a front ...  
WO/2019/196991A1
The aim of the invention is to reduce the loading of the bearing of disk-shaped drill bits and roller bits caused by impact and vibratory stress produced, e.g. by pneumatic and hydraulic hammers of rock breaking machines or similar machi...  
WO/2019/194706A1
´╗┐The invention relates to neutralization of drilling wastes and can be used for disposal of drill cutting wastes. The well-drilling sludge disposal method includes drilling sludge separation from drilling fluid and drilling sludge disc...  
WO/2019/184257A1
A coal mining method for rotatably mining coal on an open pit slope using fully-mechanized coal mining equipment, using a fully-mechanized complete set of coal mining equipment for mining coal on an end slope of an open pit coal mine. Sa...  
WO/2019/184147A1
A method for efficiently preventing impact ground pressure for a low gas-permeability coal seam, comprising the following steps: step I, measuring the coal mechanical property; step II, determining the highest gas injection pressure for ...  
WO/2019/186430A2
This invention relates to a scrubber and more particularly, but not exclusively, to a scrubber for scrubbing a gas or air stream. The scrubber includes a scrubber body with a flow path between an inlet and an outlet of the body. At least...  
WO/2019/185160A1
A flexible material handling apparatus adapted to be installed on a full face heading machine is provided, comprising a material handling member and a linkage member coupled together in a head-tail manner by a joint connection, the linka...  
WO/2019/178838A1
Disclosed is a method for laying out a minefield suitable for fluidized mining of coal resources. A main shaft (1) and a ventilation shaft (2) are respectively provided in a minefield region, with the bottom of the main shaft being locat...  
WO/2019/178835A1
Disclosed are an automatic coal mining machine and a fluidized coal mining method. A first mining chamber (1) cuts a coal seam to obtain raw coal, and conveys same to a first coal-cleaning chamber (2) to separate coal blocks therein from...  
WO/2019/180170A1
This disclosure relates to a cutting assembly comprising a circular disk cutter (18). A plurality of cutting elements (22) and a corresponding quantity of tool holders (24) are arranged around a circumferential surface of the disk cutter...  
WO/2019/180164A1
This disclose relates to a cutting assembly (10) for mining comprising a disk cutter (18), which is moveable between horizontal and vertical cutting orientations.  
WO/2019/180554A1
The invention relates to a pick sleeve (10) including a head (12) and a shank (14). The head (12) includes a central part (20) and a bearing member (22) which is secured to the central part (20). The bearing member (22) is separable from...  
WO/2019/180169A1
This disclosure relates to a cutting assembly for mining or extraction. The cutting assembly comprises a circular disk cutter (18). Cutting elements are arranged around a circumferential surface of the disk cutter, each seated in a tool ...  
WO/2019/174189A1
A dynamic recognition and control parameter correction system and method, comprising a data collection module, an online dynamic model recognition module for a permanent magnet short-range system, a control parameter correction module, a...  
WO/2019/164845A1
Methods of delivering inhibited emulsions are provided. The methods can include mixing an emulsion with a separate inhibitor solution to form the inhibited emulsion. Inhibitor solutions including water, an inhibitor, and a crystallizatio...  
WO/2019/162250A1
There is provided a method and system (42) for processing a slurry (12) which contains gas hydrate, the system comprising: a separator (422) configured to separate the slurry into a first stream (121) containing a higher level of the gas...  
WO/2019/158519A1
In the case of a drum-type shearer loader for the extraction of mineral material in the mining sector, having at least one shearer drum (1) which is mounted rotatably on a pivotable support arm (2) and which is driven by a drive motor (4...  
WO/2019/149146A1
A grading method of mines/mining areas for water-preserved mining, comprising: using a mine as a calculating unit to calculate the ton-coal water resource amount, and dividing the mine in a study area into different types according to th...  
WO/2019/149354A1
A heading machine includes first and second rotating cutting heads having respectively an axis of rotation extending substantially in a longitudinal direction of the machine, a first cutting roller having an axis of rotation extending su...  
WO/2019/148788A1
A method for preventing rock bursts by means of active support reinforcement and active pressure relief: A. evaluating the level of rock burst-proneness by using a method of a comprehensive index: determining areas to be normal hazard zo...  
WO/2019/140812A1
A mining system and method for a single steeply-inclined thick coal seam coal, wherein a transport chute (2) is constructed along a coal seam floor (1), and a production system is formed with mountains on both sides of a mining area. In ...  
WO/2019/140813A1
A roadway forming method by roadway widening and tunneling and filling a gangue paste in a thick coal seam, comprising: firstly designing the width of a packwall (2) and the width of a new roadway to be tunneled (1) according to the geol...  
WO/2019/136511A1
The current invention relates to mining systems and mine planning and in particular, to operating a mine that automatically updates a mine plan. The mining system directs operation of mining equipment within a mine based on a mine plan t...  
WO/2019/134220A1
A gas production method and system for natural gas hydrate exploitation. The gas production method uses the gas lift effect of methane gas released by decomposition of a natural gas hydrate to transport gas hydrate from the bottom of a p...  
WO/2019/119035A1
The present invention relates to a density tracer assembly, the density tracer assembly includes a density tracer including a high-density component having a density of about 7g/cc or higher. A radio frequency (RF) transmitter is borne b...  
WO/2019/125297A1
The present invention relates to a method for 1 for controlling transmission of data in a data communication network (220), the transmission of data being a transmission of data between a mining and/or construction machine (100) and a ne...  
WO/2019/120606A1
The invention relates to a self-propelled ground milling machine (1), particularly a road miller, stabilizer or recycler, comprising a machine frame (3) borne by travelling mechanisms (2), a ground milling device (4) mounted on the machi...  
WO/2019/115003A1
A self-propelled ground milling machine (1), in particular a road milling machine, comprising a machine frame (3) borne by driving devices (2), a drive motor (4) arranged on the machine frame, a manoeuvring platform (5) arranged on the m...  
WO/2019/112488A1
The invention relates to integrated systems and methods for planning the layout of oil fields. In the claimed method, initial data is generated, well stream gathering centres are placed on a map of well pads according to a specific algor...  
WO/2019/109577A1
A cutting unit of a shearer, provided with double-speed rollers. A motor drive portion comprises a left cutting motor (1-1) and a right cutting motor (1-2) that are disposed in a cutting unit box body (1-3), and the motor drive portion i...  
WO/2019/109601A1
A coal mining method applying alternately arranged long and short faces. The method comprises: arranging long and short working faces alternately in a mining region of a mine; setting a width of the short working faces (3) according to t...  
WO/2019/111304A1
Provided is a rock drilling device that is configured so that a main component member of the rock drilling device can perform a variety of operations such as a swinging operation, a horizontal revolving operation, an omnidirectional osci...  
WO/2019/109602A1
A short-face coal-pillar-free mining method having zero gangue discharge, applied to zero discharge gangue processing in a mine. The method comprises: selecting, according to actual scenarios of a mine, a region near a mine shaft, and ar...  
WO/2019/109535A1
Disclosed is a clean and efficient coal mining method, applicable to the field of solid mine waste processing. The method comprises: setting the width of short section work faces (11, 12) according to an amount of solid waste discharged ...  
WO/2019/104368A1
A mine safety apparatus that records movement data of a scene, visual images of the scene and correlates the movement data with the visual images. The apparatus comprises: a slope monitoring device that records location data in the scene...  
WO/2019/105967A1
This disclosure relate to a pick tool for road milling or mining. The pick tool comprises a tip assembly coupled to a tool body. The tip assembly comprises a shaped cutter supported by a bolster, a first end of the bolster being connecte...  

Matches 1 - 50 out of 6,099