A system-wide approach to minimize the operational cost of …
ResultThe production cycle of open-cast coal mines generally includes drilling, blasting, loading, hauling and coal preparation activities. Individual optimization of these activities does not mean that the whole system is optimized. This paper proposes a cost model considering all activities in mining cycle and …
اقرأ أكثرDesign of Haul Roads in Open Cast Mines in India—A
ResultIndia has reached the forefront of world coal scene, ranking 3rd in total coal production. It is largely due to rapid increase in contribution from opencast coal mines (presently 89%).
اقرأ أكثرHazard identification and risk assessment of opencast transportation
ResultThis paper concentrates on the of the risk assessment process of transportation in opencast coal mines. Following conclusions has been drawn from this study: 1. In this study, altogether 11 hazard events were identified for opencast transportation system. The associated risks of the identified hazards …
اقرأ أكثرBelt conveyor and Haulage system in the mine | PDF
Result18. 9 2.4 Layout Of Face, Gate And Trunk Conveyors In A Coal Mine The system of transport by belt conveyor consists of the following:- i) A flat endless belt which moves continuously and carries at its top surface the material to be conveyed. ii) The idlers which support the belt.
اقرأ أكثرMINISTRY OF LABOUR AND EMPLOYMENT …
Result(zn) "material" includes coal, stone, debris, or any other material; (zo) "mine", for the purpose of chapter IV under these regulations, means all excavations within the mine boundary and all premises, plants, machinery and works as specified in clause (j) of sub section (1) of Section 2 of the Act and the same shall collectively ...
اقرأ أكثرSafety and health in opencast mines
Result92-2-107103-0 [ISBN] Download: pdf - 0.5 . This code applies to any situation or operation involving occupational safety and health aspects in opencast mines, and calls for attention to be paid to them by the competent authorities with responsibility for safety and health and working conditions with regard to …
اقرأ أكثرCoal explained Mining and transportation of coal
ResultCoal can be transported from mines and processing plants to consumers in several different ways: Conveyors, trams, and trucks move coal …
اقرأ أكثرINNOVATIONS OF DEEP OPENCAST MINING …
ResultThe Coal vision 2025 of India estimates that the total domestic coal production is projected to increase to 1086 MT in 2025, of which the opencast production will be 902 MT (83%). In …
اقرأ أكثرINNOVATIONS OF DEEP OPENCAST MINING …
ResultAbstract. The operating cost of mechanized opencast mines has escalated with an increase in prices of essential inputs, like materials, spares, haul-road maintenance, spiraling wages, …
اقرأ أكثرList of Equipment Used in Opencast Coal Mining | Mining
ResultAt Kudremukh Iron Ore Project, one of the largest opencast mines in India, the capacities of some of the machines are : shovels 10.7 m 3, production trucks 108 te, front end loaders 10 m 3, electric drills for 310 mm dia. blast holes, gyratory crushers 4000 te/hr. Equipment # 9. Drag Line:
اقرأ أكثرHow to optimize dust pollution control in opencast coal mines…
ResultIntroduction. Coal is the key energy source for industrial development. For a long time, China's economic and social development has had a strong demand for coal, and the coal industry has developed rapidly [1, 2]pared with other types of mines, opencast mines have higher safety levels, higher coal recovery …
اقرأ أكثرUnderground mining slurry transportation viability
ResultEven in opencast mine, water has to be pumped out of the mine in any case; only more horse power is needed for moving the coal particles. Underground haulage and winding capacity can be more effectively utilized for material supply, like supports, bricks for ventilation or isolation stoppings etc. if hydraulic transport is …
اقرأ أكثرAssessment of Dust Generation Due to Opencast Coal Mining…
ResultOpen cast mining — a predominant method of coal production in India (94.46% of total coal production) — has been found to be a major factor which is responsible for the emission of dust ...
اقرأ أكثرUnderground Mining Transportation Systems
ResultUnderground mines have changed their operation systems in accordance with the evolution of equipment, the system and method of mining. Transport is also of critical importance in underground mines as is the mining operation itself. The underground transport system of ores, materials, equipment and persons has …
اقرأ أكثرOptimization of Air Pollution Due To Coal Dust at Open …
ResultIn order to overcome these dangers, the Open Cast Projects have been developed. In addition to the advantage of safety, the manpower requirement in these projects is also less as compared to that for the underground mines. Machines only in Open Cast Mines carry out almost total work. The most vital operation in open cast …
اقرأ أكثرTransport | Basic Mining Process/Terminology
ResultPersonnel and Material Transport. The mode of mine access (e.g. vertical shaft, inclined drift, in-seam access via outcrop, etc) determines the nature of transport systems used to transport personnel and materials into the mine (shaft hoisting, drift haulage or rubber tyred vehicle access). However, the large majority of mines …
اقرأ أكثرSlope Failures in the Opencast Coal Mines of Wardha Valley …
ResultWardha Valley Coalfield (WVC) is a NW–SE elongated structural basin with its coal bearing zone spreading over an area of 800 sq km along a length of 116 km situated towards the south of the city of Nagpur in the central region of India (Fig. 1).This coalfield has around 40 opencast coal mines, which are largely …
اقرأ أكثرLife cycle assessment of opencast coal mine production: …
ResultThe Yimin opencast coal mine was selected to conduct a case study. The production of 100 tons of coal was used as the functional unit to evaluate the environmental risks in the stages of stripping, mining, transportation, processing, and reclamation. A total of six environmental impact categories, i.e., resource …
اقرأ أكثرAssessment of impact on air environment due to opencast coal mining…
ResultDuring transport of material, haul/transport road becomes a major source of airborne particle due to road-tire interaction (Sinha and Banerjee, 1997;Kumar et al., 2013b). ... two opencast coal ...
اقرأ أكثرUnderground Mining Transportation & Haulage …
ResultThe distances material must be hauled and the amount to be handled are of first importance in deciding upon the method of transportation and the kind of equipment to be used. ... of the …
اقرأ أكثرSimulation of geothermal evolution of an opencast coal mine …
ResultThe excavation and backfilling of opencast coal mines in permafrost regions inevitably changes the geothermal state and degenerates surrounding permafrost, causing severe engineering and environmental problems—thaw slumping, ground fissures, vegetation degradation and desertification. Therefore, it …
اقرأ أكثرOPENCAST COAL MINING AT LARGE DEPTH IN INDIA
ResultTransport of material from pit As opencast mines get deeper, haul distances and cost of transportation will increase
اقرأ أكثرOPENCAST COAL MINING AT LARGE DEPTH IN INDIA-CHALLENGES AHEAD
ResultThe operating cost of mechanized opencast mines has escalated with an increase in prices of essential inputs, like materials, spares, haul-road maintenance, spiraling wages, and improved welfare ...
اقرأ أكثر(PDF) Use of Machine Learning Algorithm Models to
ResultThe s hare of surface mine in I ndian coal mining giants Co al India Limited (CIL) and SCCL is around 80% and 54 % respectively. So proper importance should be given in different scien tific ...
اقرأ أكثرModelling the hydrogeochemical evolution of mine water in …
ResultOpencast coal mining in South Africa predominantly takes place in sedimentary Ecca Group rocks of the Karoo Supergroup within the Mpumalanga Province (Hancox and Götz, 2014, Holland et al., 1989, Pinetown et al., 2007).The investigated site mined coal of the Ecca Group's Permian aged Vryheid Formation …
اقرأ أكثرCharacterization of different road dusts in opencast coal mining …
ResultDust from haul and transport roads are the major source of air pollution in opencast coal mining areas. Dust generated during mining operations pollutes air which causes different health problems. Various available techniques are implemented in the field to minimize and control dust in mining areas. However, …
اقرأ أكثر(PDF) Underground and Opencast Coal Mining Methods in …
ResultCoal Production from opencast mines in India (FY 1998-99 to 2016-17) Source: Coal Directory of India, FY 1998-99 to 2016-17 Output Per Man Shift (OMS) of UG and OC mining methods under CIL.
اقرأ أكثرCritical Analysis of Tandem Dragline Performance in Open Cast Coal
ResultPlanning and managing equipment systems of surface mining are critical for achieving higher production and productivity. Poor performance of equipment systems can endanger the economic viability of mining operations []–[].OB removal is a major process in the surface mining of coal, accounting for …
اقرأ أكثرEnergy Performance of Loading and Hauling Operations …
ResultThe best practices opencast mine without dragline from the literature is 26.3 MJ/cu.m. Keywords: Energy performance, Statistical approach, Loading, Hauling, Opencast mine, Specific energy consumption . 1. Introduction Dump trucks are used worldwide for handling of ore and waste in most of the opencast mines. It is
اقرأ أكثرDesign of Haul Roads in Open Cast Mines in India—A
ResultAbout 80% of total mining in India is carried out in coal sector through open cast mines where heavy dumpers are plying on the haul roads. Mine haul roads have witnessed an enormous increase in traffic density as well as hauling payloads in the recent past due to increase in coal mining activities. In the Indian …
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