continuous miner


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continuous miner

[kən¦tin·yə·wəs ′mīn·ər]
(mining engineering)
Machine designed to remove coal or other soft minerals from the face and to load it into cars or conveyors continuously, without the use of cutting machines, drills, or explosives.
References in periodicals archive ?
The continuous miner is a massive machine operating on a trailing cable, and some of the major improvements revolve around the use of electrical power.
These transition to rectangular spaces with smoother walls as the mine switched to continuous miners of various types in the ensuing years.
Dr Beck went into detail on the bottlenecks in longwall development noting that theoretical continuous miner advance rate potential is some 850 m/d, but that the currently achieved performance is only about 10% of that.
Unlike a continuous miner, which has a cutting width of about 10 feet, the longwall machine is guided across a seam several hundred feet wide.
The 100 tonne ABM20 continuous miner cuts the full roadway width in a single pass, whereas existing machines require two passes to complete the 5.
The need for this product is evident, as dust concentrations downwind of the continuous miner can exceed regulatory standards and overexpose roof bolter operators.
The mine runs a single longwall panel as well as continuous miner sections; it produced 2.
Similar modifications were made to the second continuous miner which is ready to return to service as soon as a coal face is available for cutting.
The first, a new continuous miner, is stronger, faster and smarter, Joy reports, featuring increased machine mass and power.
The mine is a room-and-pillar operation, which uses continuous miner machinery and operates a preparation plant.
Tenders are invited for Procurement Of Trunk And Gate Belt Conveyors Complete For Continuous Miner, Khottadih Colliery Under Pandaveswar Area
The first continuous miner unit is targeted for startup by the end of the year, with the mine expanding to a two-unit operation by mid-2017.

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