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Sep 13, 2016· Proposal is to operate the mine with 12 cum diesel hydraulic shovel 10 cum diesel hydraulic backhoe in combination with 100T rear dumper. .

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Rock fragmentation control in opencast blasting. ... The mines use draglines and shovel–dumper combination for removal of overburden. Despite its pivotal role in controlling the overall economics of a mining operation, the expected blasting performance is often judged almost exclusively on the basis of poorly defined parameters such as powder ...

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Open Cast Coal Mining Operation

This guideline covers the open cast mining of ore bearing rock including coal. It excludes quarrying and open cast extraction of construction materials, stone and rock. ... mining operations.) Open cast mining involves the removal of ore from seams relatively near the surface by means of an open pit (see figure below). These mines often occupy ...

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Surface mining is a form of mining operation popularly practiced all over the world for extracting minerals that occur near the surface, including such metallic minerals as copper, iron, gold and bauxite and such nonmetallic minerals as coal and phosphate.

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Mining activities mainly deal with the excavation of raw material from earth's crust. The sources of particulate matter (PM) emission in opencast coal mines include blasting and drilling operations, coal handling plant operation, loading and transport of overburden and coal by shoveldumper combination, crushing, conveying and

Optimum Dump Slope Design of a Lumpy Chromite Ore Mine

Optimum Dump Slope Design of a Lumpy Chromite Ore Mine Singh, Scientist email: vks_slope Slope Stability Division, Central Institute of Mining and Fuel Research (CIMFR), Dhanbad ABSTRACT The geotechnical study and slope design of the dump slopes at Sukinda open cast mine, Orissa has been discussed in the paper.

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The mining lease area comprises a total area of about ha out of which ha is mined and the remaining is free. Mining is being carried out by opencast method of mining with deep hole drilling and blasting and excavation by shovel dumper combination. The blasted material is loaded in 50/60 T dumpers with the help of shovels.

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May 6, 2011 ... Surface Miner Technology: • Presently being used in KOCP .... Shovel dumper combination: • This is the most commonly used equipment in Opencast mines. ... Ripped coal will be lifted by front end loaders or excavator. Chat Now

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(xiv) Method of mining operations would be Opencast with Shovel dumper combination method. Life of mine is 13 years. The project has three external 0B dumps in an area of ha with 90 m height and Mm3 of OB. The 0B from the current mining operations shall be backfilled from 6th year

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The mines use draglines and shoveldumper combination for removal of overburden. Despite its pivotal role in controlling the overall economics of a mining operation, the expected blasting performance is often judged almost exclusively on the basis of poorly defined parameters such as powder factor and is often qualitative which results in very ...

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Rock fragmentation control in opencast blasting PDF Free ...

The mines use draglines and shoveldumper combination for removal of overburden. Despite its pivotal role in controlling the overall economics of a mining operation, the expected blasting performance is often judged almost exclusively on the basis of poorly defined parameters such as powder factor and is often qualitative which results in very ...

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A case study was conducted to a hard rock mine which is visualized in Fig. 3. The mine has seven shovels working in three pits. Shovel 1 and 2 are in Pit 1, Shovel 3 and .

Mining and processing Of coal are simplified immensely by use of surface miner. That result in higher system availability, lower operating costs and less effort for job planning, operation and maintenance Surface miner technology was introduced in few projects of MCL'SECL in addition to inpitcrusher and shovel combination to win coal in few mines,

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The Different Machines And Their Applications Mining Safety. These trucks have 2 axles and a tilting skip. ... A combination of rigid dumper and articulated dumper, these machines are ... They are found mainly on infrastructure works sites and at coal mines. ... are used to take materials from the mine or quarry face, or from a dump, and ...The bucket can be replaced by other tools.

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Open Cast Coal Mining Operation

Coal mine pit lakes: A viable mine closure option ... The remnants of coal mining include old coal mine waste, alterations to the landscape, and, in the case of open cast mining, pit lakes. Pit lakes are formed when groundwater levels rebound in the final void of open cast coal mining operations.