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Machine failures have destructive effects on continuity of operation and lead to production losses in long-wall mines, making proper maintenance scheduling essential. This paper models the reliability of the whole production chain in an Iranian long-wall mine including the drum shearer, Armored Face Conveyor (AFC), hydraulic powered supports, Beam Stage Loader (BSL), and main conveyer belt. Analyzing the computational results and failure frequencies, we rank the critical components and develop a reliability-based preventive maintenance schedule for all equipment. In respect to the data classification, conveyor belt with failure abundance of 41.5 percent is the most critical, while powered supports with the failure abundance of 1.2 percent shows the best performance. Approximately, the reliability of the production process after four hours reaches nearly to zero. Implementing the schedule, computational results suggest an increase of approximately 67.7 percent in the average production per shift.
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7--20
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Bibliogr. 27 poz., rys., tab.
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- Department of Mining Engineering, Hamedan University of Technology, Hamedan, Iran
autor
- Department of Mining Engineering, Hamedan University of Technology, Hamedan, Iran
autor
- Department of Mining Engineering, Isfahan University of Technology, Isfahan, Iran
Bibliografia
- BARABADY J., KUMAR U., 2007, Reliability analysis of mining equipment: a case study of a crushing plant at Jajarm bauxite mine in Iran, Reliability Engineering and Safety, 93, pp. 647–653.
- BING-YUAN H., GANG S., LI-XUN K., 2009, Reliability emulation of production system on long-wall face, Journal of Coal Science and Engineering, 15(1), pp. 76–80.
- CLARK R., DAWKINS G., KENNEDY R., GRAINGER A., LASAGHT A., 1991, Maintenance performance improvement – a structured approach. International Conference on Reliability, Production and Control in Coal Mines (Ed. H. Hargraves), 2–6 September, Wollongong, New South Wales, Australia.
- CMTE Development, Ltd., 2002, CMTE studies pit automation and long-wall reliability, Mining Engineering, Vol. 54, No. 1 , p. 26.
- CUTTS A., 1991, Improving the reliability of machine and systems used in the production processes, automation and control technologies. International Conference on Reliability, Production and Control in Coal Mines (Ed. H. Hargraves), 2–6 September, Wollongong, New South Wales, Australia.
- EVERITT B.S., MELNICK E.L., 2008, Encyclopedia of quantitative risk analysis and assessment, Vol. 1, Wiley.
- FAWCETT D.H., DUNCAN G.R., 1988, Long-wall face output-present state of the art- alternative future trends. 21st Century Higher Production Coal Mining Systems Symposium, 5–8 April, Wollongong, New South Wales, Australia.
- FURULY S., BARABADY J., BARABADI A., 2014, Availability analysis of the main conveyor in the Svea Coal Mine in Norway, International Journal of Mining Science and Technology, Vol. 24, No. 5, pp. 587–591.
- GHARAHASANLOU A.N., ATAEI M., KHALOKAKAIE R., BARABADI A., EINIAN V., 2017, Risk based maintenance strategy: a quantitative approach based on time-to-failure model, International Journal of System Assurance Engineering and Management, 8(3), pp. 602–611.
- GUPTA S., BHATTACHARYA J., 2007, Reliability Analysis of a Conveyor System using Hybrid Data, Quality and Reliability Engineering International, 23, pp. 867–882.
- GUPTA S., RAMKRISHNA N., BHATTACHARYA J., 2006, Replacement and maintenance analysis of long-wall shearer using fault tree technique, Mining Technology, 115(2), pp. 49–58.
- HENKEL E.H., 1991, Performance improvement of long-wall machinery. International Conference on Reliability, Production and Control in Coal Mines (Ed. H. Hargraves), 2–6 September, Wollongong, New South Wales, Australia.
- HOSEINIE S.H., 2011, Modeling and simulation of drum shearer’s reliability at mechanized long-wall mines – case study: Tabas coal mine, PhD Thesis, Shahroud University of Technology, Shahroud.
- HOSEINIE S.H., AHMADI A., GHODRATI B., KUMAR U., 2013, Reliability-Centered Maintenance Program Development for the Spray Jets of Coal Shearer Machine, International Journal of Reliability, Quality and Safety Engineering, Vol. 20, No. 3, pp. 1–24.
- HOSEINIE S.H., ATAIE M., KHALOOKAKAEI R., KUMAR U., GHODRATI B., 2012, Reliability analysis of drum shearer machine at mechanized long-wall mines, Journal of Quality in Maintenance Engineering, 18(1), pp. 98–119.
- KUMAR U., 1990, Reliability analysis of load-haul-dump machines, PhD thesis, Lulea University of Technology, Lulea, Sweden.
- Kumar U., Klefsjo B., 1992, Reliability analysis of hydraulic system of LHD machines using the power law process model, Reliability Engineering and System Safety, 35(3), pp. 217–224.
- MANDAL S.K., BANIK P.K., 1996, Evaluation of Reliability Index of Long-wall Equipment Systems, Mining Technology, Vol. 78(897), pp. 138–140.
- MIL-STD-2173, 1986, Reliability Centered Maintenance, Department of Defense, Washington, DC, USA.
- MORSHEDLOU A., DEHGHANI H., HOSEINIE S.H., 2014a, Reliability-based maintenance scheduling of powered supports in Tabas mechanized coal mine, Journal of Mining and Environment (JME), 5(2), pp. 113–120.
- MORSHEDLOU A., DEHGHANI H., HOSEINIE S.H., 2014b, Comparison between reliability of electrical and mechanical units of long-wall machineries in Tabas coal mine. 9th Iranian Conference of Maintenance, 20–21 May, Tehran, Iran.
- MRIG G.C., 1991, Reliability of machines and systems used in production process in mines – a case study of South Eastern Coalfields Limited. International Conference on Reliability, Production and Control in Coal Mines (Ed. H. Hargraves), 2–6 September, Wollongong, New South Wales, Australia.
- RAHIMDEL M.J., HOSEINIE S.H., GHODRATI B., 2016, RAM analysis of rotary drilling machines, Journal of Mining Science, 18, pp. 77–89.
- RAUSAND M., HØYLAND A., 2004, System Reliability Theory: Models, Statistical Methods and Applications, John Wiley, Hoboken, USA.
- SHEN G., JIANG G., 1991, Coal mine modernization and production reliability in China. International Conference on Reliability, Production and Control in Coal Mines (Ed. H. Hargraves), 2–6 September, Wollongong, New South Wales, Australia.
- VELZEBOER M.D., 1988, Implication of high productivity long-wall systems. 21st Century Higher Production Coal Mining Systems Symposium, 5–8 April, Wollongong, New South Wales, Australia.
- YOE C., 2012, Principles of risk analysis; Decision making under uncertainty, CRC Press, Taylor & Francis Group.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-288bd5cf-4687-4334-8de6-d53e2d36eea4