Hydraulic mining (Conference) OSTI.GOV

The development of hydraulic mining in the United States has had an uneven record of progress. The shifting of coal extraction from one government agency to another has not provided an environment for a focused national research program. This paper presents an update on hydraulic mining

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Utilization of wastes from coal mining and preparation in ...

1988-1-1  @misc{etde_5444009, title = {Utilization of wastes from coal mining and preparation in road construction and hydraulic engineering. Opyt ispol'zovaniya otkhodov dobychi i obogashcheniya uglya v dorozhnom i gidrotekhnicheskom stroitel'stve} author = {Mochkov, V S, and Bronshtein, B E} abstractNote = {Discusses utilization of mineral wastes and mine stones from coal mines in the Donbass.

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HYDRAULIC FLUIDS FOR MINING EQUIPMENTS - NEXO

2015-6-26  Hydraulic Fluid Consumption Blown hydraulic hoses and leaking seals on hydraulic cylinders are major contributors to high hydraulic oil consumption on mobile equipment: Increases oil consumption. can reduce pump/system efficiency. Non-availability of equipment and unplanned downtime. safety hazard. environmental hazard.

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An integrated hydraulic mining, selective

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Performance Measurement of Mining Equipments by

2017-9-13  Mining is a very capital-intensive industry, and it is known fact that the equipment utilization and accurate estimation of this utilization are very important since mine managers want to utilize their equipment as effectively as possible to get an early return on

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HYDRAULIC MINING SHOVEL

2020-6-16  FS configured hydraulic mining shovels utilize a unique boom design that employs rotatable triangular rockers. This design facilitates quicker cycle times, increased effective lifting force, constant boom momentum, automatic constant bucket angle, and automatic roll-back limitation. The 6060 is the industry’s most popular hydraulic shovel in its

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Experimental and Numerical Simulation Study of

2021-6-12  The extraction of low-permeability coalbed methane (CBM) has the dual significance of energy utilization and safe mining. Understanding hydraulic fracturing mechanism is vital to successful development of CBM. Therefore, it is important to improve the law of hydraulic fracture propagation in coal and rigorously study the influencing factors.

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v116n3a9 Improvement in the overall efficiency of

2016-4-29  mining equipment: a case study by H. Fourie* 54'121 In mechanized mining, poor equipment efficiency (availability, utilization, productivity, and quality) can endanger the success of the operation. This case study will show how an initiative to improve equipment performance developed into a comprehensive turnaround plan for the mine that placed

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Intelligent and ecological coal mining as well as clean ...

2019-3-1  Research agrees well with the practical situation: the China’s coal consumption decreases 2.9% in 2014, decreases 3.6% in 2015 and chain relative ratio flattens in 2016 .Because of China’s economic transition and adjustment as well as the increasing emphasis on ecological and environmental protection, the high-strength and low-level coal production and consumption have come to an end.

Get Price

Experimental and Numerical Simulation Study of

2021-6-12  The extraction of low-permeability coalbed methane (CBM) has the dual significance of energy utilization and safe mining. Understanding hydraulic fracturing mechanism is vital to successful development of CBM. Therefore, it is important to improve the law of hydraulic fracture propagation in coal and rigorously study the influencing factors.

Get Price

HYDRAULIC MINING SHOVEL - Classic Construction

785 mining trucks. But we’re always looking for ways to make the 6030 better. The only shovel in its size class offered with dual engines, it’s now available with a Tier 4 Final engine solution that eliminates the need for Diesel Exhaust Fluid, saving time and cost during maintenance. PROVEN » 350+ Cat 6030 Hydraulic Mining Shovels

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Cat 6020 Hydraulic Mining Shovels Backhoe Hastings ...

Cat Hydraulic Mining Shovel - Features. Safety-Enhancing Operator's Cab. ... More efficient hydraulic pump utilization, reduced energy losses, and increased fuel savings are realized with our innovative, patent-pending dedicated pump flow allocation

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Mining Excavator - Liebherr

2021-3-1  Mining Excavator R 9400 Operating Weight Backhoe Configuration 345 tonnes / 380 tons ... Rather than using a standard open hydraulic circuit, the R 9400 employs a closed-loop swing circuit, enabling maxi- ... ity / truck utilization without any compromise

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Case study on the mining‐induced stress evolution of an ...

2020-6-17  Datong mining area exhibits typical geological conditions: hard roof, hard coal, hard floor, large mining height (14.88 m), and high mining speed (5‐8 m/day). A hard roof results in an intensive mining condition. Under the mining effects of a strong disturbance, the loading rate increases with rapid mining, thereby causing dynamic disasters.

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Caterpillar MINExpo Directory

Customers report significant gains in productivity and truck utilization rates with lower costs per tonne. Jul 17th, 2021 The Next-Generation Cat® 6060 Hydraulic Mining Shovel

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6015 Hydraulic Mining Shovels Cat Caterpillar

2021-9-7  With class-leading tool carrying capacity, increased durabiity, and the most powerful engine in its class, the Cat 6015 Hydraulic Shovel generates higher productivity and fuel efficiency than other shovels. When optimally paired with our 773, 775, or 777 trucks, the 6015 can work across a full spectrum of applications, to include: mining, heavy construction, quarry and aggregate, and ...

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A liquid‐solid model to optimize the application of ...

The efficient exploration and utilization of coalbed meth-ane (CBM) is essential for mitigating the energy crisis, ensuring mine safety, and reducing environmental pol-lution.1 However, the anticipated expectations are not met because of the low permeability of the coal seams. Hydraulic fracturing (HF)2,3 and hydraulic cutting (HC)4

Get Price

6040 Hydraulic Mining Shovels Cat Caterpillar

2021-8-12  When you need a durable digger to power through the toughest materials, our broad lineup of hydraulic mining shovels delivers. They've built a name for withstanding the harshest digging conditions on sites around the world, and we're working hard to make sure they keep meeting your expectations for reliable, predictable, efficient and productive performance.

Get Price

Intelligent and ecological coal mining as well as clean ...

2019-3-1  Research agrees well with the practical situation: the China’s coal consumption decreases 2.9% in 2014, decreases 3.6% in 2015 and chain relative ratio flattens in 2016 .Because of China’s economic transition and adjustment as well as the increasing emphasis on ecological and environmental protection, the high-strength and low-level coal production and consumption have come to an end.

Get Price

HYDRAULIC FLUIDS FOR MINING EQUIPMENTS - NEXO

2015-6-26  Hydraulic Fluid Consumption Blown hydraulic hoses and leaking seals on hydraulic cylinders are major contributors to high hydraulic oil consumption on mobile equipment: Increases oil consumption. can reduce pump/system efficiency. Non-availability of equipment and unplanned downtime. safety hazard. environmental hazard.

Get Price

Water Resources Utilization and Protection in the Coal ...

2019-2-4  Coordinated development for mining safety, mine water utilization, and remediation and control of water environment is achieved. ... Journal of Hydraulic Engineering 47, 265–271 (2016).

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HYDRAULIC MINING SHOVEL - Classic Construction

785 mining trucks. But we’re always looking for ways to make the 6030 better. The only shovel in its size class offered with dual engines, it’s now available with a Tier 4 Final engine solution that eliminates the need for Diesel Exhaust Fluid, saving time and cost during maintenance. PROVEN » 350+ Cat 6030 Hydraulic Mining Shovels

Get Price

Cat 6020 Hydraulic Mining Shovels Backhoe Hastings ...

Cat Hydraulic Mining Shovel - Features. Safety-Enhancing Operator's Cab. ... More efficient hydraulic pump utilization, reduced energy losses, and increased fuel savings are realized with our innovative, patent-pending dedicated pump flow allocation

Get Price

Case study on the mining‐induced stress evolution of an ...

2020-6-17  Datong mining area exhibits typical geological conditions: hard roof, hard coal, hard floor, large mining height (14.88 m), and high mining speed (5‐8 m/day). A hard roof results in an intensive mining condition. Under the mining effects of a strong disturbance, the loading rate increases with rapid mining, thereby causing dynamic disasters.

Get Price

Mining Excavator - Liebherr

2021-3-1  Mining Excavator R 9400 Operating Weight Backhoe Configuration 345 tonnes / 380 tons ... Rather than using a standard open hydraulic circuit, the R 9400 employs a closed-loop swing circuit, enabling maxi- ... ity / truck utilization without any compromise

Get Price

Caterpillar MINExpo Directory

Customers report significant gains in productivity and truck utilization rates with lower costs per tonne. Jul 17th, 2021 The Next-Generation Cat® 6060 Hydraulic Mining Shovel

Get Price

v116n3a9 Improvement in the overall efficiency of

2016-4-29  mining equipment: a case study by H. Fourie* 54'121 In mechanized mining, poor equipment efficiency (availability, utilization, productivity, and quality) can endanger the success of the operation. This case study will show how an initiative to improve equipment performance developed into a comprehensive turnaround plan for the mine that placed

Get Price

A liquid‐solid model to optimize the application of ...

The efficient exploration and utilization of coalbed meth-ane (CBM) is essential for mitigating the energy crisis, ensuring mine safety, and reducing environmental pol-lution.1 However, the anticipated expectations are not met because of the low permeability of the coal seams. Hydraulic fracturing (HF)2,3 and hydraulic cutting (HC)4

Get Price

6040 Hydraulic Mining Shovels Cat Caterpillar

2021-8-12  When you need a durable digger to power through the toughest materials, our broad lineup of hydraulic mining shovels delivers. They've built a name for withstanding the harshest digging conditions on sites around the world, and we're working hard to make sure they keep meeting your expectations for reliable, predictable, efficient and productive performance.

Get Price