EAST KALIMANTAN MINE OVERBURDEN WORK IN AND …

2020-1-29 · MT. The estimated budget for purchasing coal mining equipment in east Kalimantan with a production of 2,670,000 tons - 3,500000 tons was Rp. 512,999050000,-. From the estimated value, a precise and thorough analysis is required in selecting the combination of heavy equipment utilization, particularly in overburden work. It is expected that the ...

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Article: Measurement and analysis of performance of mining ...

2020-4-26 · It has been illustrated with a case study in a large surface coal mine and the findings are useful to decision making. Keywords: dump truck; mining; performance measurement; availability; utilisation; OEE; overall equipment effectiveness; environmental performance; OEPI; overall equipment performance ındicator. DOI: 10.1504/IJVP.2020.106984

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Research on effectiveness of coal mine safety supervision ...

2014-10-31 · Coal mine safety supervision system plays an important role in the coal mine safety management in China. However, the current supervision system is established on the basis of learning the advanced experience from other developed countries. It needs to be further improved according to national conditions. Therefore, the effectiveness of coal mine safety supervision system reform on …

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GUIDELINES FOR THE INTEGRATED PLANNING AND …

2021-1-22 · The primary objective of any mining plan should be the effective integration of all the activities involved in the overall mining process that will meet predetermined targets with regard to health, safety, environmental, productivity and unit cost criteria. The South African coal mining industry and its stakeholders acknowledge that effective mine

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Defining a representative overall equipment effectiveness ...

2013-1-15 · equipment effectiveness (OEE) measurement can be calculated for an underground coal mining bord and pillar batch process. The calculation method, the typical losses (which include planned and unplanned availability losses, coal quality losses, and process rate losses) and the underlying logic are presented and discussed. It is

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Signal Game Analysis on the Effectiveness of Coal Mine ...

The main cause of coal mine safety accidents is the unsafe behavior of miners who are affected by their emotional state. Therefore, the implementation of effective emotional supervision is important for achieving the sustainable development of coal mining enterprises in China. Assuming rational players, a signaling game between miners (emotion-driven and judgement-driven) and managers is ...

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8 Methods For Protecting Coal Miners

exposure to respirable coal mine dust and respirable crystalline silica: Informing workers about hazards Establishing written emergency procedures Using engineering controls, work practices, and personal protective equipment (including respiratory protection when dust control equipment is being installed, maintained, or repaired)

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Recent developments in coal mine methane extraction and ...

2016-4-1 · China not only has abundant coal resources, but also is rich in coal mine methane (CMM) resources. According to the second national coal resources prediction result (Yuan and Xue, 2010), the total coal resources of China reach 5.57 × 10 12 t, the resources buried shallower than 600 m account for 26.8% of the total resource, and the resources buried within 600–1000 m, 1000–1500 m and 1500 ...

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Characterization and Effectiveness of Remining …

2014-11-13 · CHARACTERIZATION AND EFFECTIVENESS OF REMINING ABANDONED COAL MINES IN PENNSYLVANIA By Jay W. Hawkins ABSTRACT Under an approved remining program, mine operators can remine abandoned coal mines without assuming legal responsibility for treatment of the previously degraded water, as long as the discharging

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Overall equipment effectiveness optimisation for a ...

Performance Measurement of Mining Equipments by Utilizing OEE

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Analysing the Utilisation Effectiveness of Mining …

2019-6-28 · Inzynieria˙ Górnicza, 2019. The major mining equipment (longwall shearer, armoured face conveyor, powered roof supports) can be seen in Figure2. At the longwall face, the shearer cuts coal from the face as it travels along the armoured face conveyor which is used for transporting coal …

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4 Coal Mining and Processing | Coal: Research and ...

2021-8-27 · The U.S. coal industry serves a vital role in the nation''s economy by producing fuel for more than half of its electricity. Despite the industry''s importance, industry financial data for 2005—the strongest year for the coal industry in recent …

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Surface Mining Methods and Equipment

2020-8-25 · UNESCO – EOLSS SAMPLE CHAPTERS CIVIL ENGINEERING – Vol. II - Surface Mining Methods and Equipment - J. Yamatomi and S. Okubo ©Encyclopedia of Life Support Systems (EOLSS) Figure 2. Change in production and productivity of US coal mines The higher productivity for open pit mining equipment also lowers costs.

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FIELD ASSESSMENT OF RETROFITTING SURFACE COAL …

surface coal mine dust problem for the highwall drill operator, bulldozer operator, refuse/backfill truck driver, and highlift operator. An engineering control measure for surface mining equipment is enclosed operator cabs with air filtration systems. These cabs usually re­ circulate and re-condition a …

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University of Wollongong Research Online

2020-7-2 · Mine maintenance - the cost of operation O. Krellis T. Singleton Follow this and additional works at: https://ro.uow /coal Recommended Citation O. Krellis and T. Singleton, Mine maintenance - the cost of operation, in Naj Aziz and Bob Kininmonth (eds.), Proceedings of the 1998 Coal Operators'' Conference, Mining Engineering, University of

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(PDF) Availability analysis of selected mining machinery

Availability analysis of selected mining machinery. June 2017. Archives of Control Sciences 27 (2) DOI: 10.1515/acsc-2017-0012. Project: Application of the Overall Equipment Effectiveness method ...

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Rationality evaluation of production deployment of ...

2020-2-1 · Coal mines with high gas content and outburst-prone risk are large in number and wide in distribution (Zou and Lin, 2018, Zou et al., 2015, Zou et al., 2019, Liu et al., 2016, Liu and Lin, 2019). A total of 3,284 pairs of coal mines with high gas content and outburst-prone risk are distributed in almost all 26 major coal mining provinces in China.

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RESEARCH REGARDING THE OEE (OVERALL EQUIPMENT ...

2014-3-8 · The open pit coal mines production system consist mainly in a string of equipment starting with winning equipment (bucket wheel excavator), on board hauling equipment, conveying equipment, transfer devices, spreaders or stackers, used alternatively for overburden removal conveying disposal and for coal winning conveying stacking. This system of mainly serially connected elements is characterized by the throughput (overall amount of bulk coal respectively overburden rock), which is strongly dependent on the functioning state of each involved equipment.

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Performance Measurement of Mining Equipments by …

2017-9-13 · All industries are dependent on their assets as well as mining companies. The increase in automation, compounded by the increase in the size and capacity of equipment over the years has drastically changed the consequences of equipment ineffectiveness. Current economic conditions, severe global competition, environmental regulations and a continually improving focus on safety are also causing mine managers to consider creative and proven methods to determine effectiveness of their equipment so they can take necessary precautions to increase the effectiveness of their equipment and to reduce the total production cost. 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 their investments as well reducing total production cost. Many studies have been carried out on selection of mining equipments [1-5]. But there has been a little attention on the measurement of effectiveness of those equipments. Only maintenance policies have been studied and implemented in order to improve availability of these equipments [6-10]. Therefore the aim of this study is to introduce a method, which is widely accepted in manufacturing industries, used in measuring …

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OVERALL EQUIPMENT EFFECTIVENESS ASSESSMENT OF …

2007-10-30 · The open pit coal mines production system consist mainly in a string of equipment starting with winning equipment (bucket wheel excavator), on board hauling equipment, conveying equipment, transfer devices, spreaders or stackers, used alternatively for overburden removal conveying disposal and for coal winning conveying stacking. This system of mainly serially connected elements is characterized by the throughput (overall amount of bulk coal respectively overburden rock), which is strongly dependent on the functioning state of each involved equipment.

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Research on effectiveness of coal mine safety supervision ...

2017-8-29 · coal mine safety regulation was effective in the long run. However, there is less research on quantitative study of China''s coal mine safety supervision, especially on quan-titative study of the three types of collieries, and most research to date has focused on qualitative analysis. Therefore, in this paper, the effectiveness of coal mine

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Mine safety: Seven ways to make mines safer and more …

2018-9-26 · A group of ia coal miners awaiting a shift in 1974. Technology and increased regulation have led to improvements in mine safety and helped make mining a less dangerous profession. In 2017 according to the US Department of Labor there were 15 fatalities in coal mines …

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OVERALL EQUIPMENT EFFECTIVENESS ASSESSMENT OF …

2007-10-30 · 7th INTERNATIONAL MULTIDISCIPLINARY CONFERENCE Baia Mare, Romania, May 17-18, 2007 ISSN-1224-3264 . OVERALL EQUIPMENT EFFECTIVENESS ASSESSMENT OF THE OPEN PIT COAL MINING PRODUCTION SYSTEM . ANDRAS, IOSIF1, NAN, MARIN SILVIU 1 KOVACS,IOSIF1. CRISTEA, DUMITRU 2 TOMESCU LIVIU CRISTIAN 2 . 1Eng.Ph.D., Professor, …

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The Measurement and Improvement of Effectiveness ...

2019-10-26 · the effectiveness of production in the mining industry is to optimize the use of heavy equipment during the mining process. Measuring the effectiveness of heavy equipment usage is one of the important factors to support the success of the production process. In coal mining activities, there is a series of activities that must be carried out ...

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Blasting in Underground Coal Mines

2020-10-10 · Blasting in Coal Mines •Modern mechanised coal mines use machines and longwall mining methods to cut solid coal and convey the broken coal out of underground workings. •Continuous mining equipment has escalated coal production and introduced more effective and efficient coal …

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Equipment selection for high selective T excavation ...

2009-8-26 · quality coal, the majority of which is supplied to an adjacent power station. The coal seems at SLE contain bands of ash which under normal mining conditions are extracted with the coal. This increases the ash content of the run of mine coal and results in lower efficiency at the power station and financial penalties for SLE.

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Coal mining byproduct highly effective for land ...

2021-7-26 · A researcher at the University of Alberta in Canada has discovered that nano humus, a substance extracted from coal mine deposits and then crushed to a black, powdery material is highly effective ...

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Overall equipment effectiveness optimisation for a ...

2019-11-7 · The aim of the research is to investigate factors that optimize Overall Equipment Effectiveness (OEE) of an underground Bord and Pillar coal mine that has limited coal reserves and unfavorable geological conditions. The mine consists 10 CM sections, mining both high and low seams with equipment-suits that comprises the Continuous Miner (CM), Shuttle Cars, Feeder Breaker, Conveyor Belts and Roof Bolter. Three elements making up the OEE equation (Availability, Performance Rate, Quality), are reviewed to establish factors that influence OEE improvement. The research paper employs deductive, quantitative research methods, analyzing 18 months performance data. The main source of data is the mine''s …

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Improvments in Conveyor Belt Fire Suppression Systems …

2012-8-30 · underground coal mines to protect conveyor belt installations have been in place since the Coal Mine Health and Safety Act of 1969 was enacted. Over time, the coal conveyer equipment being used and ventilation conditions underground have changed significantly, particularly the width of the conveyor belts and the use of belt air at the face.

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How a focus on equipment performance productivity …

2015-9-15 · mining equipment in the world. The database constitutes performance ... been effective or significant change in operational mining strategy during this time, despite changes in ... (for example, coal and gold) but a detailed examination of mining productivity data from mines with those commodities revealed a lack of change in mine site strategy ...

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