ppt for continuous mining in bord and pillar

Bord and Pillar mining by continuous Miner in HINDI YouTube

2016-07-29· Bord and pillar is an underground mining method for extracting coal from belowground of earth. Various machinery combinations are used for extracting. One of the combination is the continuous

Get Price

CONTINUOUS MINER Mining Science and Technology

Home / Bord & Pillar / Equipment / CONTINUOUS MINER. CONTINUOUS MINER . Equipment 0 Comment. In underground mining, first and foremost in the modernization process are the machines that extract coal: primarily the continuous and longwall miners. First introduced in the late 1940’s, continuous miners provided a quantum leap in the speed and efficiency of

Get Price

Design of Bord and Pillar method in coal mines

2016-02-27· Design of Bord and Pillar method in coal mines 1. Design of BORD AND PILLAR method in coal mines AASHUTOSH CHHIROLYA B.TECH (MINING) 6TH SEM. AKS UNIVERSITY SATNA MP 2. INTRODUCTION The importance of mining is definitely significant to human civilization. In fact, as one of the earliest of human enterprises, mining and its

Get Price

Bord-and-pillar mining explained Illawarra Mercury

2017-05-31· Pillars of coal are left behind to support the roof as the coal is cut away with a machine called a continuous miner. Bord-and-pillar mining is used in first workings of a deposit, and when

Get Price

Continuous miners Sandvik Mining & Rock Technology

Sandvik double-pass miners use the most advanced cutting technology for the continuous mining of coal and soft materials. Continuous miners cut and gather the material simultaneously and convey it into shuttle cars, haul trucks or a continuous haulage system. They are typically used for full-scale production in room-and-pillar mining operations

Get Price

Identifying Optimal Mining Sequences for Continuous Miners

Identifying Optimal Mining Sequences for Continuous Miners Dr. Joseph C. Hirschi Project Manager Illinois Clean Coal Institute 2012 Illinois Mining Institute

Get Price

Bord And Pillar Mining India Grinding Mill China

Ppt For Continuous Mining In Bord And Pillar. At present, production by longwall mining accounts for a minor amount of total underground mining production with the majority coming from bord-and-pillar methodsince it is envisaged that longwall mining will require time to become established in india, bord-and-pillar methods will continue to be dominant in the foreseeable future. Read more + Ppt

Get Price

(PDF) Success of Continuous Miner in Bord and Pillar Method

This paper deals with the use of continuous miner and its success in bord & pillar method of underground coal mining. Discover the world's research 15+ million members

Get Price

Principles of Room & Pillar Mining YouTube

2012-09-10· This video provides a basic description of the room & pillar mining method for extracting coal underground. It includes an explanation of the different products working together in a room & pillar

Get Price

Room and Pillar Mining Method SlideShare

2014-10-22· Room and Pillar Mining Method 1. Hassan Z. Harraz [email protected] 2014- 2015 This material is intended for use in lectures, presentations and as handouts to students, and is provided in Power point format so as to allow customization for the individual needs of course instructors.

Get Price

Pillar Extraction using Continuous Miners Introduction

PILLAR EXTRACTION USING CONTINUOUS MINERS. Overview. Now that longwall equipment has been developed to a stage where it is able to cope with most conditions satisfactorily, longwall mining is the most widely used method of secondary extraction. However, there are still mines and occasions where longwall mining is not suitable e.g.

Get Price

Room and Pillar Mining Method SlideShare

2014-10-22· Room and Pillar Mining Method 1. Hassan Z. Harraz [email protected] 2014- 2015 This material is intended for use in lectures, presentations and as handouts to students, and is provided in Power point format so as to allow customization for the individual needs of course instructors.

Get Price

Coal Mining Methods Colorado School of Mines

The “continuous” version of room-and pillar mining is the most common, representing more than half of all underground production. In this method, a continuous mining machine excavates the coal and loads it onto a conveyor or shuttle car in a single step. Despite the term “continuous

Get Price

PPT Coal Mining PowerPoint presentation free to

Continuous mining-(also called bord and pillar) is a mining system in which the mined material is extracted across a horizontal plane while leaving "pillars" of untouched material to support the overburden leaving open areas or "rooms" underground. Blast mining-is

Get Price

Room and pillar mining Wikipedia

Room and pillar (variant of breast stoping), is a mining system in which the mined material is extracted across a horizontal plane, creating horizontal arrays of rooms and pillars. To do this, "rooms" of ore are dug out while "pillars" of untouched material are left to support the roof overburden.Calculating the size, shape, and position of pillars is a complicated procedure, and is an area of

Get Price

EVALUATION OF BORD AND PILLAR MINING SYSTEM IN MCL

EVALUATION OF BORD AND PILLAR MINING SYSTEM IN MCL COAL MINES A THESIS SUBMITTED IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF Bachelor of Technology In Mining Engineering By RAM CHANDRA NAYAK 10605015 & SANGRAM KESHARI DALAI 10605027 Department of Mining Engineering National Institute of Technology Rourkela-769008 2010 . EVALUATION OF BORD AND PILLAR MINING SYSTEM

Get Price

indonesian coal mining ppt presentation

bord and pillar coal mining ppt . bord and pillar coal mining ppt. ppt for continuous mining in bord and pillar Gold Ore Crusher 20121119- Coal Mining Technologies Presentation Read More → PowerPoint Presentation. Coal Fatal #1 West ia. He was performing routine maintenance on a continuous mining machine. He was pinned under a large section of rib adjacent to the continuous

Get Price

Increasing Production Time in Continuous Mining Methods

Increasing Production Time in Continuous Mining Methods EE Dorey D McGinness SYNOPSIS The use of continuous miners in a conventional bord and pillar section results in a considerable amount of unproductive time. This is due to the roof support requirements, continuous miner configurations, and shuttle car 'change-outs'. These factors have

Get Price

Room-and-pillar mining coal mining Britannica

In coal mining: Development of continuous mining loading, developed in association with room-and-pillar mining. The oldest of the basic underground methods, room-and-pillar mining grew naturally out of the need to recover more coal as mining operations became deeper and more expensive.

Get Price

The Duncan Method of Partial Pillar Extraction at Tasman Mine

2011 Underground Coal Operators’ Conference The AusIMM Illawarra Branch 8 10 11 February 2011 THE DUNCAN METHOD OF PARTIAL PILLAR EXTRACTION AT TASMAN MINE Kent McTyer1 and Tony Sutherland2 ABSTRACT: Mining commenced at Tasman Mine in late 2006.The current method of mining is bord and

Get Price

Room-and-pillar mining coal mining Britannica

In coal mining: Development of continuous mining loading, developed in association with room-and-pillar mining. The oldest of the basic underground methods, room-and-pillar mining grew naturally out of the need to recover more coal as mining operations became deeper and more expensive.

Get Price

Vijaya Raghavan*, Dr Syed Ariff**, Paul Prasanna Kumar***

3.1. Overall working of bord and pillar method of mining using Continuous Miner: The bord and pillar method of mining is the older and traditional method of underground coal mining. This method is sometimes called room-and-pillar mining. Coal is removed from the working faces as the rooms are advanced. Cross-cuts,

Get Price

Continuous miner cutting tools Mining

We offer a wide range of continuous miner cutting tools for bord and pillar mining that increases your productivity in the most demanding conditions. Extremely productive and reliable, they are used for full-scale production in bord-and-pillar...

Get Price

Bord And Pillar Coal Mining Ppt Mtmcrusher

Bord And Pillar Coal Mining Ppt Mtmcrusher. Evaluation of bord and pillar mining system in mcl coal mines a thesis submitted in partial fulfillment of the requirements for the degree of bachelor of technology in mining engineering by ram chandra nayak.

Get Price

Hard-rock room and pillar mining best practice industry

Hard-rock room and pillar mining best practice industry workshop R.G.B. PICKERING, A.G. DU PLESSIS, and G. ANNANDALE Centre for Mechanised Mining Systems at the University of the Witwatersrand The Centre for Mechanised Mining Systems at the University of the Witwatersrand recently organized a Hard Rock Room and Pillar Mining Best Practice

Get Price

Longwall Mining an overview ScienceDirect Topics

At present, production by longwall mining accounts for a minor amount of total underground mining production with the majority coming from bord-and-pillar methods. Since it is envisaged that longwall mining will require time to become established in India, bord-and-pillar methods will continue to be dominant in the foreseeable future. Thus, it

Get Price

room and pillar coal mining ppt overnachtinginfrankrijk

Room And Pillar Coal Mining Ppt . room and pillar mining method Grinding Mill China. room and pillar coal mining ppt. Underground Mining: There are two main methods of extracting coal by underground mining: roomandpillar (or, bord andpillar,The underground mine employs a modified room and pillar mining method,bord and pillar coal mining ppt » Learn More.

Get Price

2a U.G MINING (SCCL).ppt PRESENTATION PRESENTATION ON

few information on present underground few information on present underground mining in india mining in india 1. 80% of manpower in cil engaged in underground mining producing 22% of cil’s production 2. out of 54 million tonne of underground production (2000-01), 20 million tonne came from mechanised bord & pillar method, involving sdl & lhd loading machines with roof bolting 3.

Get Price

Introduction of continuous haulage (4FCT) at the Clarence

to be lengthened as the mine design changes. Clarence Colliery can still use continuous haulage in a bord and pillar mining method, with partial pillar extraction and meet the regulator’s approval requirements. Sensitivity designed for the underground coal mining environment such as at Clarence, as

Get Price

Bord-and-pillar mining in inclined orebodies

Bord-and-pillar mining has some favourable promises such as improving labour difficulties, lowering operating costs and providing safer working conditions. The success of mechanized bord-and-pillar mining in narrow tabular steep dipping orebodies will depend on the extent of the research and development efforts which need to create and innovate technologies to

Get Price
Used Cone Crusher Sale Symmons 4-1/4 Cone Crusher, Throughput

Related Articles