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2014 Coal Operators' Conference The University of Wollongong 12 –14 February 2014 413 OPTIMISATION OF OVERBURDEN BLASTS AT GLENCORE ULAN SURFACE COAL OPERATIONS Daniel Thorn1 Bruno Cediel2 Sedat Esen3 and Murali Nagarajan4 ABSTRACT This paper presents the outcomes of a joint project carried out by Glencore Ulan Surface Operations and Orica to reduce total mine
coal mine blasting design blasting techniques to preserve or collpase the workings 22 5 surface strip coal mine blast design introduction to explosives and blasting 3 Realization of Openpit Mine Blasting Design With the development and popularization of computer aided design on the blasting system the disadvantages of the traditional
Surface miners drive up savings in coal mining Mine operators for some time now have been increasingly turning to an alternative to conventional rip-and-stack or drill-and-blast coal mining the use of surface miners Diverse studies and tests show that surface miners offer considerable advantages in terms of both economic efficiency and the
surface mining drilling application Our rotary drills and track drills — combined with multiple models of advanced drilling tools and our Halco high-performance hammers and drill bits — ensure there's a drill to meet every need WHEREVER DRILLING THERE'S 3 Surface mines rely on rotary drills to quickly drill consistent blast patterns They're used in all applications— soft
Drilling and blasting for overburden and coal in open cast mines is estimated for 55% of total mining costs in open cast mining for this reason the planning and design of drilling and blasting to
WIRTGEN surface miners cut primary resources such as coal gypsum iron ore salt phosphate bauxite limestone or granite achieving high degrees of purity in the process They are increasingly used as primary extraction equipment also in newly opened-up opencast mines or extensions of existing opencast mine operations 12/10/2012Benefits of Inclined Drilling in Surface Mining In Bench Blasting inclined drilling extends numerous benefits These are – Better Fragmentation – Better displacement and swelling of muckpile as Burden B is kept almost uniform along length of blasthole and angle of projection of the blast increases (Refer fig below)Get price
28/05/2009This entry was posted in blasting explosives mining and tagged blasting blasting in mines explosives mines mines blasting Bookmark the permalink Post navigationThe production cycle of open-cast coal mines generally includes drilling blasting loading hauling and coal preparation activities Individual optimization of these activities does not mean that the whole system is optimized This paper proposes a cost model considering all activities in mining cycle and system-wide approach to minimize theGet price
ab0cd Sub-sectoral Environmental and Social Guidelines Mining Open Cast Mining Underground Sub Sector Environmental Social Guidelines Page 1 PROCESS DESCRIPTION This guideline covers the open cast mining of ore bearing rock including coal It excludes quarrying and open cast extraction of construction materials stone and rock (TheA NOVEL POWDER FACTOR BASED BENCH BLAST DESIGN METHOD FOR LARGE SURFACE COAL MINES by ANDREW CLIFFORD BLAIR A DISSERTATION Presented to the Graduate Faculty of the MISSOURI UNIVERSITY OF SCIENCE AND TECHNOLOGY In Partial Fulfillment of the Requirements for the Degree DOCTOR OF PHILOSOPHY in MINING ENGINEERING 2015 Approved by Jason Baird AdvisorGet price
28/08/2018Mine operators for some time now have been increasingly turning to an alternative to conventional rip-and-stack or drill-and-blast coal mining the use of surface M Mammoth Drill Tools Blasthole Drilling Tools for the Mining Industry MAXAM Explosives and Blasting Solutions for Mining Quarrying and Construction Applications Mincon State-of-the-Art Rock Drills Including DTH Hammers and Bits Mine Master Ltd Drilling and Bolting Equipment for Underground Mining MINTECH High-Quality Blasting Equipment for the Mining IndustryGet price
Opencast mining operations in South Africa remain one of the industry's main contributors to short- and long-term environmental damage as they have a direct and cumulative impact on the air Engineer Drill and Blast Mining Job in Australia - Careermine Mt Owen Coal Mine is located 25 km's north-west of Singleton in the picturesque Hunter Valley currently producing over 8 million tons of run of mine (ROM) coal per annumGet price
Uni tronic™ electronic blasting system A few design alternatives were evaluated using DMC model and the optimum design was implemented using SHOTPlus-i design software Pre-blast survey (face points crest toe) top of coal and drill surface points were imported to the software The designAlpha Natural Resources retained RESPEC to develop mine reclamation plans for a surface coal operation in the Powder River Basin Part of the reclamation plan's unique approach was to use cast blasting to throw material into the old surface mine to reduce material rehandling during the final regrade process RESPEC used production cast blast profiles Get price
Blast SideCasting in Surface Coal Mines Empirical Equations Supporting Blast Designs Discussion on Design Parameters and Related Matters Engineering Rock Blasting Operations Controlled Blasting Techniques Factors in Designing of Blasts Flyrock Industrial Explosives used and safe operation of Bulk explosives in opencast mines GROUND CONTROL IN OPEN PIT MINES Discussion on Various Drill and blast Supervisor / Superintendent with underground coal mining drilling and blasting experience needed for coal mine projects in Mpumalanga for a Easily apply to this job 2 days ago - save job -Get price
has yet to create a blast design method specifically tailored for large surface coal mine bench blasting This research examines the typical scale of bench blasting at large surface coal mines develops a new method of design tailored for these operations and tests the new method against two widely accepted traditional blast design methods NovelM Ramulu A Ganpatrao Sangode and A Sinha Blast optimisation with In Situ rock mass characterization by seismic profiling at an opencast coal mine in India 12th Coal Operators' Conference University of Wollongong The Australasian Institute of Mining and Metallurgy 2012 387-396Get price
National Institute of Technology Rourkela This is to certify that the thesis entitled " Optimization of Blasting Parameters in Opencast Mines " submitted by Sri Manmit Rout (Roll No 10305019) and Sri Chinmay Kumar Parida (Roll No 10305017) in fulfillment of the requirements for the award of Bachelor of05/07/2016Highthorn opencast mine decision RECAP updates as councillors approve controversial plans Banks Group wants to dig three million tonnes of coal byGet price
Surface Mine Blast Design and Consultant System - saimm Introduction The methods of blasting overburden in surface coal mines vary with the characteristics of the formation its depth and the type of mechani- cal Read moreRead this article to learn about the blasting techniques adopted in underground and opencast mines Blasting Techniques Adopted in Underground Mines Drilling Patterns in Stone Drilling patterns also called shot-hole patterns are named after the type of cut holes used and the principal patterns are (1) Pyramid cut or cone cut (2) Wedge cutGet price
for mines blasting pattern in opencast iron mines Mining and Blasting study on the subject refer Iron ore mining equipment for mine process Iron ore Drilling mining excavation Get Price drilling and blasting practices in iron ore mine in indiaModern Coal Related Technology Surface Mining Equipment Mining Equipment Clean Coal Coal To Liquid Fuels Reclamation Safety Related Equipment End Uses of Coal Blasthole Drills (1) Drilling to produce a series of holes for placement of blasting charges PH 250XP Rugged and versatile the PH 250XP diesel production drill is appropriate for new mine development contract drilling orGet price