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4 99 Glossary of Mining Terms RPMGlobal 99 Glossary of Mining Terms RPMGlobal 5 Angle of Draw in coal mine subsidence, this angle is assumed to bisect the angle between the vertical and the angle of repose of the material and is 20#176; for flat seams. For dipping seams, the angle of break increases, being #176; from the vertical for a 40#176; dip.
Coal Plies Thin layers of coal present between other rock strata. Coal Rejects The unsaleable material removed from raw coal during the beneficiation process conducted by a coal preparation plant. Coal Reserves Those parts of the Coal Resources which are planned to be mined. Coal Resources All of the potentially useable coal within a defined area.
Coal. Coal is a sedimentary rock, which is an essential raw material in the production of steel, cement and power generation. The coal found in the Southern Coalfields is of a high quality and is approximately 250 million years old. Coal Mining (underground) Underground coal mining in Australia is done by either the bord and pillar or longwall method.
A glossary of terms used in coal mining by Gresley, William Stukeley. Publication date 1883 Topics Coal mines and mining Publisher London, New York, E. amp; Spon Collection cdl; americana Digitizing sponsor MSN Contributor University of California Libraries Language English. Addeddate 18:34:47 Call number
Excavator A piece of mining equipment used to remove overburden that may be operated in either a backhoe or shovel configuration for the excavating bucket. Fine Rejects Coal rejects from a coal preparation plant usually less than mm in diameter. Also known as tailings.
Coal Caking Coal that softens and binds together when heated and produces a hard grey cellular coke. Coal Carbonization The heat treatment of coal in the absence of air at low temperatures (450 to 700 degrees C) or high temperatures (900 to 1200 degrees C). Coal Classification The grouping of coals according to a particular property such as
coal mining equipemt glossary. glossary of terms. In underground mines, dykes are often too hard to mine through with conventional coal mining equipment.
Seam an underground layer of a mineral such as coal. Shaft a column that runs down to the bottom of the mine. It is used to transport people, ore and equipment up and down the mine. Shaft sinking the
Thermal coal Coal burned to generate the steam that drives turbines to generate electricity. Thickener A large, round tank used in milling operations to separate solids from liquids; clear fluid overflows from the tank and rock particles sink to the bottom.
Clay vein a body of claylike material that fills a void in a coal bed. Cleat the vertical cleavage of coal seems. The main set of joints along which coal breaks when mined. Coal dust particles of coal that can pass a No. 20 sieve. Coal Mine an area of land and all structures, facilities, machinery, tools,
Coal mine An area of land and all structures, facilities, machinery, tools, equipment, shafts, slopes, tunnels, excavations, and other property, real or personal, placed upon, under, or above the surface of such land by any person, used in extracting coal from its natural deposits in the earth by any means or method, and the work of preparing the coal so extracted, including coal preparation facilities. British
4/5/2018#0183;#32;Heres a comprehensive AZ guide of mining terms you need to know. A Glossary of the most common mining terms. Published at May 4, 2018, in Investor 101. Coking coal (metallurgical coal): A grade of coal that meets the requirements for making coke. It must have a low ash and sulfur content and form a coke that is capable of supporting
Where mining terms are used for the first time they are typed in bold within quotation marks. There is also a glossary available at Coal glossary an explanation of coal amp; coal mining terms. The information provided is from limited resources and therefore is unlikely to be exhaustive.
A. Adit:Entrance to a mine, usually a drift which sloped from the surface down to a coal Head : A roadway heading which is in front of the coal face line. Advance Face: A face where the coal is extracted as the face and roadways advance to retreat mining. AFC:An armoured flexible conveyor, used to transport coal off a face, coal cutting machines were often
Coal mine An area of land and all structures, facilities, machinery, tools, equipment, shafts, slopes, tunnels, excavations, and other property, real or personal, placed upon, under, or above the surface of such land by any person, used in extracting coal from its natural deposits in the earth by any means or method, and the work of preparing the coal so extracted, including coal preparation facilities. British
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