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Glossary of Mining Terms Kentucky Coal Education

Abutment In coal mining, (1) the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abutments of the ... Arching Fracture processes around a mine opening, leading to stabilization by an arching effect. .... Canopy A protective covering of a cab on a mining machine.

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The prevention and control of fire and explosion in mines HSE

(HSE), by a working group representative of all sides of the mining industry. ...... ventilation equipment or the firedamp drainage system;. Special situations ... being blown open or left open, or due to the buoyancy effects of hot gases affecting the airflow; ...... Such equipment should not be sited beneath or on the tight side of...

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Examination of redirected continuous miner scrubber discharge ...

Dust and gas measurements around the continuous mining machine in the .... discharge redirected on the off curtain side of the mining machine toward the face...

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Specalog for HW300 Highwall Mining System AEHQ6802 01

to entry and discharges coal in tight spaces. ... The highwall mining machine stands on the pit floor or on a bench, directly ... Whether you're operating a trench, open cast or contour mine, the highwall .... horizontal (Level side to side,.

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Mine Ventilation Systems

Practical Mine Ventilation Engineering to be Published by Intertec Puslishing Co. ... and psychological side effects that enhance employee safety, comfort, health, ... machines, have been used successfully to act as a "booster fan" to re direct .... Constructing air tight stoppings in large openings is not only time consuming...

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Underground Mining Drainage, State of the Art IMWA

in the rock overlying and adjacent to mine openings, and decreasing the number and size of .... Whether drainage equipment can be installed in the operational area. ... negative side unplanned intersections of surface boreholes could cause .... aquifers behind the protection of a water tight door or a "puddle pipe" installed...

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Surface Mining WIRTGEN GmbH

Special machines with superior cutting technology. ... The discharge conveyor loads the material into trucks or dumpers or discharges it to the side of the miner.

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Mine Shaft Systems FL

Quality solutions delivered. Mine shaft systems equipment ... opening for discharge with no concern of bridging of large uncrushed ..... The Blair arrangement uses two sheaves side by side, for ..... double sided designs for tight clearances...

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Glossary of Mining Terms SEC.gov

Acid mine drainage Acidic run off water from mine waste dumps and mill tailings ponds ... Adit An opening driven horizontally into the side of a mountain or hill for .... Classifier A mineral processing machine which separates minerals ..... Resuing A method of stoping in narrow vein deposits whereby the wallrock on one...

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Handbook for Methane Control in Mining CDC

99. 72. Methane drainage of a normal fault from the footwall side . ..... caused by cutting bits (Chapter 3) to open flames, explosives, and electrical sparking. However, there are other ... 150 °C for all diesel equipment in coal mines. 6. In gassy ...... A new rate time type curve for analysis of tight gas linear and radial flows.

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