Coaltech Research Association

Developing a Mechanised Cleaning System – for Cleaning Under and Around Moving Conveyors

Follow on review of mechanised conveyor cleaning equipment close to being usable underground, flameproof and not, written to help the coal industry agree which options to develop.

by J Maaren (Mechaneer CC) | September 2013

What this report found

No flameproof mechanised system for cleaning under and around moving conveyors was found to exist anywhere. Of more than 200 mini machinery manufacturers identified worldwide, few build for mining, and only one or two products were near ready for surface use. Manufacturer interest in mining applications has since risen, but the industry has not settled on which technology to back.

R1500,00

Description

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Fine Coal Dense-medium Cyclone Tests Conducted at Leeuwpan Coal Mine

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Pilot dense medium cyclone testing on fine coal inside a working spiral plant at a Mpumalanga opencast mine, ending in a full scale plant design.

What this report foundDense medium cyclones on the fine coal fraction lifted product yield well above the spiral circuit they were compared against and gave closer control of...

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200720 pages

What this report found

Dense medium cyclones on the fine coal fraction lifted product yield well above the spiral circuit they were compared against and gave closer control of product quality. Cut point density control proved the hardest part of running the plant, medium properties being critical. Magnetic separator capacity had to match the duty, and a basement was needed to contain and recover medium spillage.

Guideline for Mine Closure Relinquishment Criteria

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Review of closure and relinquishment law in Australia, Canada and South Africa, with four mechanisms for reaching agreement compared. For closure planners and regulators.

What this report foundRelinquishment criteria follow from the agreed post-mining land use. The land use is the goal and the criteria measure whether it has been reached.

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What this report found

Relinquishment criteria follow from the agreed post-mining land use. The land use is the goal and the criteria measure whether it has been reached. The guideline sets out a framework for approving those criteria at each mining phase, from the initial environmental management plan through to decommissioning, and compares South African practice with Australian, Canadian and international guidance.

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