By Seth D. Woodruff
Equipment of operating Coal and steel Mines, quantity three discusses the extraction of mineral deposits, which comprises the riding of improvement openings, from the outside or a primary shaft, to the “block out” parts of the deposit.
This ebook is split into 3 components. half A describes the coal mining equipment, which come with pillar mining structures and long-wall mining. Economics of coal face mechanization can also be mentioned. partly B, the class of stoping structures, that's constituted of pillar-supported stopes, trees and fill supported stopes, and cutting or caving platforms, is elaborated. This half additionally emphasizes the mining bedded metalliferous ores, in addition to the prices and different components affecting the alternative of mining platforms. half C deliberates the outside mining tools, which encompass strip mining of coal, open-pit mining, and balance of pit slopes.
This booklet is meant for mining engineers, yet can also be precious to scholars and researchers engaging in paintings at the program of extracting and processing minerals.
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Extra resources for Methods of Working Coal and Metal Mines. Planning and Operations
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1 5 . A c t i o n o f the H u w o o d L o a d e r (for l o a d i n g o n l o n g - w a l l faces). ( H u g h W o o d & C o . ) The H u w o o d loader is built especially for loading coal and is equipped with two hydraulic j a c k anchor posts which can be tightened against floor and roof and against which the loader pushes with hydraulic cylinders to propel itself. The front portion of this loader is equipped with reciprocating arms which sweep the coal away from the face and toward the face conveyor.