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Mineral mining
The extraction of valuable minerals or other geological materials from the earth for economic interests.
Industry: Mining
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Mineral mining
Sirocco fan
Mining; General mining
A centrifugal fan, invented by Samuel Davidson in 1898, with 64 narrow blades curved forward, mounted at the periphery of a braced, open drum. It is a high-speed, smalldiameter fan, usually direct ...
Gravel pump
Mining; General mining
A centrifugal pump with renewable impellers and lining, suitable for pumping a mixture of gravel and water. Rubber is sometimes used as lining to the pump and pipes owing to its high resistance to ...
Well-point pump
Mining; General mining
A centrifugal pump that can handle considerable quantities of air; used for removing underground water to dry up an excavation.
Logging chain
Mining; General mining
A chain composed of links of round bar pieces curved and welded to interlock, with a grabhook at one end and a round hook at the other.
Clarifier
Mining; General mining
A centrifuge, settling tank, or other device for separating suspended solid matter from a liquid.
Single-stage pump
Mining; General mining
A centrifugal pump with a lift of 100 ft (30.5 m) per stage.
Tension linkage
Mining; General mining
A chain application in which linear motion is not continuous in direction.
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