Download Methods of Working Coal and Metal Mines. Planning and by Seth D. Woodruff PDF

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.

Show description

Read or Download Methods of Working Coal and Metal Mines. Planning and Operations PDF

Best energy & mining books

Ultrahigh-Pressure Metamorphism: 25 Years After The Discovery Of Coesite And Diamond (Elsevier Insights)

Ultrahigh strain metamorphism (UHPM) is a comparatively new yet speedy turning out to be self-discipline regarding the deep subduction of slabs of continental and/or oceanic crust into the Earth's mantle and their go back in the direction of the outside as very important elements of mountain belts. The self-discipline used to be tested ~25 years in the past after discoveries of excessive strain minerals, coesite and diamond, within the rocks of the continental affinities, a spot the place such minerals are "forbiden"according to major geological recommendations.

Surface production operations

This revised version places the most up-tp-date information regarding gas-handling structures and amenities at your fingertips. The authors channeled their school room and box event into this quantity, which beneficial properties many new sections equivalent to: * warmth restoration devices * Kinetic inhibitors and anti-agglomerators * Trays and packing for distillation and absorption towers * Compressor valves * origin layout issues for reciprocating compressors * strain vessel matters and parts * Nox aid in engines and generators * protection administration structures This e-book walks you thru the apparatus and approaches utilized in gas-handling operations that will help you layout and deal with a construction facility.

A manual for tilapia business management

The last word target is to accomplish foodstuff safety, create employment and make money. This publication is an try and support increase the tilapia whereas retaining these targets in brain. This guide is written to hide all facets of tilapia farming as a enterprise. ranging from the significance of tilapia tradition, it covers exact tools of a confirmed hatchery expertise that has ensured creation and provide of hundreds of thousands of top of the range monosex tilapia fry, accelerating the expansion of the tilapia globally.

Extra resources for Methods of Working Coal and Metal Mines. Planning and Operations

Sample text

Do. do. 8-ton cars 30-in. belt 8-ton cars do. 7(a) Ripper C . M . Î 24-in. J Shuttle cars L o a d i n g m a c h i n e — shuttle car 10-ton cars 8(a) Shuttle car L o c o m o t i v e a n d m i n e car do. do. ** do. do. do. 9(c) do. do. do. do. J 36-in. extensible belt Shuttle cars 30-in. extensible belt Shuttle cars do. do. 42-in. belt do. 30-in. belt do. 12(b) do. f do. do. 13(a) do. do. Shuttle cars * f î § ** ff Shortwall auger c o n t i n u o u s - m i n i n g m a c h i n e . M o b i l e - l o a d i n g units.

Do. do. do. J 36-in. extensible belt Shuttle cars 30-in. extensible belt Shuttle cars do. do. 42-in. belt do. 30-in. belt do. 12(b) do. f do. do. 13(a) do. do. Shuttle cars * f î § ** ff Shortwall auger c o n t i n u o u s - m i n i n g m a c h i n e . M o b i l e - l o a d i n g units. Ripping action continuous-mining machine. B o r i n g a c t i o n c o n t i n u o u s - m i n i n g m a c h i n e with a series o f rotating arms. T r a c k - l o a d i n g units. Boring a c t i o n c o n t i n u o u s - m i n i n g m a c h i n e with t w o rotating arms.

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.

Download PDF sample

Rated 4.08 of 5 – based on 26 votes