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HGT Hydraulic Gyratory Crusher

HGT Hydraulic Gyratory Crusher

HGT Gyratory Crusher is a new-type intelligent coarse crusher with big capacity and high efficiency. It integrates mechanical, hydraulic, electric, automated, and intelligent controlling technologies which grant it with advantages traditional crushing

European Type Jaw Crusher PEW

European Type Jaw Crusher PEW

Jaw crushers has stationary jaw crusher, portable jaw crusher and mobile jaw crusher (crawler jaw crusher). Jaw crusher (PEW Series) is not only able to be used together with mine-selecting and gravel processing equipments but also be used independen

Jaw Crusher PE

Jaw Crusher PE

Jaw crusher is driven by a motor, and the moving jaw moves up and down via eccentric shaft. The angle between fixed jaw and moving jaw becomes smaller when the moving jaw runs down, then the materials are crushed into pieces. It will become bigger whe

HPT Hydraulic Cone Crusher

HPT Hydraulic Cone Crusher

Base on the latest technology and decades of years’ producing experience, Our Company designed the HPT series cone crusher. It has excellent crushing efficiency and good hydraulic control system. Now the HPC series cone crusher has wide application

HST Hydraulic Cone Crusher

HST Hydraulic Cone Crusher

HST Single Cylinder Hydraulic Cone Crusher is a new high-efficiency cone crusher independently researched, developed and designed by SBM through summarizing over twenty years of experience and widely absorbing advanced American and German technologies

CI5X Series Impact Crusher

CI5X Series Impact Crusher

CI5X Impact Crusher breaks materials with impact force. When materials enter the working area of hammer, they may be crushed under the high-speed shock and then thrown onto the impact device above the rotor for another crushing. Next, materials bounce

VSI6X Series Vertical Crusher

VSI6X Series Vertical Crusher

Due to the increasing market demand for the scale, intensification, energy conservation, environment protection and high-quality machine-made sand, SBM, a Chinese professional sand maker manufacturer, further optimizes the structure and function of tr

VSI5X Vertical Shaft Impact Crusher

VSI5X Vertical Shaft Impact Crusher

VSI Crushers Working Principle Raw material falls down into feed hopper, and then enters rotor through central entrance hole. It is accelerated in high-speed rotor, and then is thrown out at speed of 60-75m/s. When hitting anvil, it is crushed. Final

VSI Vertical Shaft Impact Crusher

VSI Vertical Shaft Impact Crusher

VSI Series vertical shaft impact crusher is designed by reputed German expert of SBM and every index is in worlds leading standard. It incorporates three crushing types and it can be operated 720 hours continuously. Nowadays, VSI crusher has replaced

VUS aggregate optimization system

VUS aggregate optimization system

The VU system is a global most-advanced dry-process sand-making system. The system is constructed like a tower. Its fully-enclosed layout features high integration. It integrates the functions of high-efficiency sand making, particle shape optimizatio

MTW-Z European Trapezium Mill

MTW-Z European Trapezium Mill

MTW European Grinding Mill is innovatively designed through deep research on grinding mills and development experience. It absorbs the latest European powder grinding technology and concept, and combines the suggestions of 9158 customers on grinding m

5X Series Roller Grinding Mill

5X Series Roller Grinding Mill

Grinding roller of MB5X Pendulum Roller Grinding Mill l adopts diluted oil lubrication. It is a technology initiated domestically which is maintenance-free and easy to operate. Diluted oil lubrication is oil bath lubrication, more convenient than grea

MTW Trapezium Mill

MTW Trapezium Mill

MTW European Grinding Mill is innovatively designed through deep research on grinding mills and development experience. It absorbs the latest European powder grinding technology and concept, and combines the suggestions of 9158 customers on grinding m

LM Vertical Mill

LM Vertical Mill

LM Vertical Grinding Mill integrates crushing, drying, grinding, separating and transport. The structure is simple while the layout is compact. Its occupational area is about 50% of that of the ball-milling system. The LM grinding mill can also be arr

TGM Trapezium Mill

TGM Trapezium Mill

TGM Super Pressure Trapezium Mill The operation principle of main unit of Trapezium mill is that main unit runs with the central shaft that is driven by a gear box. The top of the shaft is connected with a quincunx stand on which a grinding roller is

stripping ratio calculation in mining

Stripping ratio Wikipedia

In mining, stripping ratio or strip ratio refers to the ratio of the volume of overburden (or waste material) required to be handled in order to extract some tonnage of ore. For example, a 3:1 stripping ratio means that mining one tonne of ore will require mining three tonnes of waste rock. Stripping ratios are typically reduced to show the volume of waste removal required to extract one unit ton of ore, for example, 1.5:1 as opposed to 3:2.

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stripping ratio calculation in mining

In mining, stripping ratio or strip ratio refers to the ratio of the volume of overburden (or waste material) required to be handled in order to extract some tonnage of ore. For example, a 3:1 stripping ratio means that mining one tonne of ore will require mining three tonnes of waste rock. Stripping ratios are typically reduced to show the volume of waste removal required to extract one unit

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Determining Stripping Ratio Basic Mining Techniques

The maximum allowable Stripping Ratio (SR max) defines break even stripping ratio (BESR). This represents the highest possible units of waste that can be handled. If the SR exceeds the BESR then the operation will be uneconomical as the income generated by the ore is insufficient to offset the costs incurred in mining. It appears there is a calculation that helps determine the

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What Is a Stripping Ratio? (with picture)

04/12/2020· The stripping ratio is commonly used in the ore and coal mining processes. The stripping ratio is important due to the fact that it helps a mining company assess a mining site in order to determine the profitability before committing any resources to the mining process. A way of describing the concept of stripping ratio is by looking at it in terms of the level at which the mining

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Stripping Ratio Mineral Production Activities

Stripping ratio is defined as the tonnage of waste rock to be mined, divided by the tonnage of ore to be mined from the pit. Stripping ratio is influenced by the shape of the orebody and may vary considerably during the life of the mine. Except in rare cases, it increases with depth of

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Stripping ratio calculation in mining-Henan Mining

1 4 Stripping Ratio Ratio Surface Mining Scribd. calculate various stripping ratios for given situations (C, Ap) 3 explain the influence of stripping ratios on planning decisions (A, S) 4 assess the most economic method of mineability of a deposit by surface mining or underground mining from the limiting stripping ratio (A, S, E) 14 Stripping Ratio Stripping ratio is defined as the ratio

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Stripping Ratios: What are They and Why are They

31/10/2018· Calculating stripping ratios At their most basic, strip ratios can be calculated by dividing overburden thickness by ore thickness. For example, an overburden thickness of

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Basic Mining Techniques

Basic Mining Techniques

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(PDF) Stripping Ratios, Pit Limits & Cutoff Grade

Stripping Ratios, Pit Limits & Cutoff Grade Optimization

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Stripping Ratio Mineral Production Activities

Stripping ratio . The main factor in designing a n open pit mine, which largely determines the cost of mining, is the stripping ratio. Stripping is the removal of waste rock from above and around the orebody. Stripping ratio is defined as the tonnage of waste rock to be mined, divided by the tonnage of ore to be mined from the pit. Stripping ratio is influenced by the shape of the orebody and

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Stripping ratio calculation in mining-Henan Mining

1 4 Stripping Ratio Ratio Surface Mining Scribd. calculate various stripping ratios for given situations (C, Ap) 3 explain the influence of stripping ratios on planning decisions (A, S) 4 assess the most economic method of mineability of a deposit by surface mining or underground mining from the limiting stripping ratio (A, S, E) 14 Stripping Ratio Stripping ratio is defined as the ratio

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Basic Mining Techniques

Basic Mining Techniques

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(PPT) Calculating Stripping Ratios for Area Strip Mines

Calculating Stripping Ratios for Area Strip Mines

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mining engineering: STRIPPING RATIO (S)

* We calculate the amount of waste that needs to be removed to get an amount of ore/coal . Miners Only . a. SR measures the amount of waste that needs to be removed to get an amount of ore, just as we mine it. Note the “amount”! b. This will differ depending on time span under consideration * Initial studies (feasibility) overall stripping ratio

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What is stripping Ratio and how is it calculated? Answers

Yes, a 3:1 stripping ratio means that mining one cubic meter of ore will require mining three cubic meters of waste rock. How do you calculate stripping ratio for Open Pit Mines? Overburden tons

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The boundary stripping ratio in ore mining SpringerLink

The boundary stripping ratio in ore mining. V. N. Mosinets & A. S. Khodinov Soviet Mining volume 9, pages 166 168 (1973)Cite this article. 72 Accesses. This is a preview of subscription content, log in to check access. Literature Cited. 1. P. É. Zurkov, Gorn. Zh., No. 12 (1948). 2. A. I. Arsent'ev and A. K. Polishchuk, Development of Methods of Determining Boundaries of Open-Cut Mines [in

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TV:BIP Ratio Explained: The Economics of Oil Sands

In order for surface mining to be economically feasible, the ratio of waste material (or overburden) to oil sands ore must be relatively low. As the oil sands deposit gets deeper below grade, more and more overburden must be removed before the valuable oil sands. Most mined oil sands deposits are located within 50 meters from the surface. The strip ratio (SR) is the simplest measure of mining

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How do you calculate the stripping ratio? Answers

Yes, a 3:1 stripping ratio means that mining one cubic meter of ore will require mining three cubic meters of waste rock. How do you calculate a ratio from a percent? Formula to calculate the ratio

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Whats the average stripping ratio of open pit mines

Even if there was an average of ALL open pit mines that would not offer any knowledge regarding open pit mining. The stripping ratio in a mine is chosen based on economics.

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