Continuous loading and conveying technology in mining

Abstract The use of continuous loading and conveying technology for mining is currently practiced in relatively few mining environments and, even in these cases, on a non-exclusive basis. For the most part, and particularly in hard rock mining, appropriate equipment technology has only recently been developed for continuous loaders, mobile low profile crushers and flexible face conveyors.
Mining R&D work by Inco Limited has promoted the development and proving of a loader suited to hard rock conditions and capable of sustained loading rates of 500 tonnes per hour. Current R&D work at Inco will test the production capabilities of a low profile mobile crusher by CMS/Eagle and a flexible/ mobile face conveyor system by DME.
This follows successful production testing of the Belt Bender concepts in potash mining in Saskatchewan and the development of enhanced extensible conveyor equipment features by DME. Numerous applications are seen for variations of the LCC technology in soft rock, hard rock and surface mining environments.
Keywords: Coal mining, Continuous loading, Conveyor technology, Mining industry, Haulage, Underground mining, Potash mine, Hard rock mining.
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Publication: CIM Bulletin
Author(s): G. LANDRY, A. WHITE
Keywords: Coal mining, Carbofuel, Technology, Coal-water fuel, Coal processing, Cape Breton Development Corporation, Carol Lake Project.
Issue: 901
Volume: 80
Year: 1987
Text
Publication: CIM Bulletin
Author(s): P.C. GARG
Keywords: Coal mining, Coal technology, Nitrogen infusion, Spontaneous combustion, Underground fires, Carbon monoxide concentration, Liquid nitrogen.
Issue: 901
Volume: 80
Year: 1987
Text
Summary: Starting January 1, 1987 employers, employees, and other taxpayers are confronted with a new set of rules dealing with the taxation of travel and housing benefits relating to isolated posts in Canada, and tax deductions relating thereto. The new rules may not be the simplest in the world, but they are reasonably fair and at least offer a hitherto unknown degree of certainty as to how such allowances are to be treated.
Publication: CIM Bulletin
Author(s): ROBERT B. PARSONS
Issue: 901
Volume: 80
Year: 1987
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Summary: This paper presents results of a study undertaken to determine the feasibility of mining plains overburdens with bucketwheel excavators. Based on extensive geotechnical testing of overburdens under study, the relations between material geotechnical properties and its cuttability were defined. The properties with the highest correlations to the cuttability were then used to develop the material diggability classification. This classification may be used for identification of overburdens and...
Publication: CIM Bulletin
Author(s): P.M. KRZANOWSKI, T.S. GOLOSINSKI
Keywords: Coal mining, Excavators, Bucketwheel excavators, Geotechnical testing, Diggability.
Issue: 901
Volume: 80
Year: 1987
Text
Summary: The existing methods of block diagram manipulation and vanishing variable for flowsheet simplification used in coal and mineral processing circuit evaluation and optimization cannot be easily implemented on digital computer.
The signal flowgraph technique is proposed to represent and simplify determination of the relationship between intermediate or end variable and the feed in the flowsheet. Typical and existing circuits are used to demonstrate the application of the proposed technique which...
Publication: CIM Bulletin
Author(s): A.I.A. SALAMA, M.W. MIKHAIL
Keywords: Coal mining, Signal flowgraph technique, Mineral processing, Coal processing, Density separator, Coal analysis.
Issue: 901
Volume: 80
Year: 1987
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Summary: The Plastofrost apparatus, developed by Ritter and Juranek in the 1960s has been modified primarily, to automatic temperature control. A limited investigation of carboniferous and cretaceous coal samples showed that both coals undergo the same changes when coked in the Plastofrost unit. Dilatometer plastic range and total dilatation correlated well with the Plastofrost plastic range for the carboniferous Appalachian coal, but not for the cretaceous western Canadian coal. Work to elucidate the...
Publication: CIM Bulletin
Author(s): P.O. DUEVER, P.L SILVESTON, P.J. READYHOUGH
Keywords: Coal Mining, Technology, Coal rheology, Plastofrost apparatus.
Issue: 901
Volume: 80
Year: 1987
Text
Summary: Material substitution occurs continuously in response to competitive and economic pressures. Technical development can accelerate or slow substitution by improving the performance of the invading or defending material. The choices are seldom simple and have to be made in the context of continuous commercial change.
The development and commercialization of a new aluminum material is examined. The material has been introduced into several different markets, so it is possible to compare and...
Publication: CIM Bulletin
Author(s): G. LUCAS
Keywords: Materials engineering, Aluminum, Alloys, Marketing, Technological innovations, Research.
Issue: 901
Volume: 80
Year: 1987
Text
Summary: New techniques in monitoring surveys and new methods in the analysis and prediction of ground subsidence are being developed in the Department of Surveying Engineering at the University of New Brunswick (UNB). The new surveying techniques include a telemetry monitoring system developed at UNB in cooperation with CANMET, and use of the satellite Global Positioning System. A generalized approach to the analysis of deformation surveys has been developed which permits an integrated analysis of...
Publication: CIM Bulletin
Author(s): ADAM CHRZANOWSKI, ANNA SZOSTAK-CHRZANOWSKI
Keywords: Coal mining, Technology, University of New Brunswick, Surveying, Ground subsidence, Monitoring.
Issue: 901
Volume: 80
Year: 1987
Text
Summary: The Atlantic Coal Institute illustrates the potential for high-technology employment in Maritime Canada, by using local talent and the latest equipment to address a national market. Since 1983, contract research for industry and government has generated 31 man-years of high-tech employment, added $2.3 million to the local economy and contributed new technology for Canadian coal. Industry now has access to new procedures for coal minerals analysis, pyrolysis, and geochemistry applied to...
Publication: CIM Bulletin
Author(s): DIETER BIRK
Keywords: Coal mining, Research and development, Atlantic Coal Institute, Resources industry, Technology, Manpower.
Issue: 901
Volume: 80
Year: 1987
Text
Summary: The goal of estimation is considered in the light of decision analysis. A simple example reveals the essential elements of decision-making in the face of uncertainty. A second example shows that these elements are also key features of many mining decisions. These two examples cause us to revive an old probabilistic notion that the goal of estimation should be to quantify what is unknown. The conditional probability distribution provides the complete statement of one's uncertainty. Once the...
Publication: CIM Bulletin
Author(s): R. MOHAN SRIVASTAVA
Keywords: Estimation, Mining industry, Ore classification, Geostatistics, Applied geology.
Issue: 901
Volume: 80
Year: 1987
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