blasting accessories in mining ppt
Surface Mining Methods and Equipment
Mining Engineering Handbook, 2 nd Ed. 2170 pp., Society for Mining, Metallurgy, and Exploration, Inc. (Littleton, USA). [A comprehensive handbook for mining engineering, including general descriptions of mining practices and many case studies. Also available in a CDROM.] Macdonald (1983). Alluvial Mining, 508 pp., Chapman and Hall (London ...
Drilling and blasting powerpoint 2003 LinkedIn SlideShare
Apr 21, 2012· BLASTING CAPS DEFINITION Small explosive device used to detonate a larger, more powerful explosive such as dynamite. 20. TOOLS FOR needle bar Dipper Used to drill hole to the required depth. Jumper Used to make blast hole more effective in boring a nearly vertical hole. Priming ...
Chapter 11 SPECIALIZED BLASTING TECHNIQUES
blasting point, arrange for signals from an observer. b. Work with only one charge at a time. c. Step into blasting position and make final check of target and escape route. d. If not prearmed, arm the charge. e. Clip approximately one inch off the end of the safety fuse and firmly insert the fuse into the ignitor.
Blasting Accessories * Couplers for Plastic Loading Pole. more. Blastmaster Shear with Case. more. Lowering Hooks for Hydromex. more. Magazine Signs on Rigid Plastic (English French) more. Priming (Powder) Punches (with Handles) more. Sirene mecanique. more. Measuring Tape Reel Only. more. Measuring Tape Fiberglass ...
Blaster's Training Modules Module 1 Explosives
blasting instructor. DISCLAIMER The technologies described in the module are for information purposes only. The mention herein, of the technologies, companies, or any brand names, does not constitute endorsement by the Department of the Interior’s Office of Surface Mining.
Blasting LinkedIn SlideShare
Nov 19, 2013· blasting 1. blasting most basic unit operation of any mining activity 2. objective • rock is blasted either to break in to smaller pieces such as in most mining and quarrying operations or large blocks for dimensional stone mining and some civil engineering application, or to create space.
Controlling the Adverse Effects of Blasting
Surface Mining, Department of the Interior, located in Denver, Colorado. The module is an example of the technical assistance the Federal government furnishes States to assist them in meeting the requirements of the Surface Mining Control and Reclamation Act of 1977, upon which their State surface coal mine regulating programs are based.
Blasting Safety Training PowerPoint Presentations
The victim was killed after a blast was initiated. He was in a frontend loader about 30 feet from the base of a highwall. After the blast, broken rock struck the frontend loader and covered it. Almost 10 hours after the blast, the rock was removed from the frontend loader and the victim was recovered. 10 slides: Defining the Danger Zone for ...
Copy of Rock Blasting Fundamentals
the individual blast holes is regulated by the initiation system. zPlastic shock tubes or electric caps using a timing system are generally employed. zA shock tube is nonelectric, instantaneous, and has a thin reactive powder that propagates the shock wave signal. Photograph courtesy of Mining Services International , Inc.
Blasting Accessories Orica Mining Services
Blasting Accessories * Couplers for Plastic Loading Pole. more. Blastmaster Shear with Case. more. Lowering Hooks for Hydromex. more. Magazine Signs on Rigid Plastic (English French) more. Priming (Powder) Punches (with Handles) more. Sirene mecanique. more. Measuring Tape Reel Only. more ...
Optimization of Blasting Parameters in opencast Mines
Optimization of blast is dependent on a host of complex factors related to the rock, explosive, initiation, drillhole parameters and their layout. The present work is a step in the direction of developing a suitable blast model, with simple methodologies which can be adapted by the mining industry to achieve better blasting …
NPTEL :: Mining Engineering NOC:Drilling and Blasting ...
Lecture 28 : Surface blasting1; Lecture 29 : Surface blasting2; Lecture 30 : Surface blast design; MODULE 7. Lecture 31 : Underground blast design1; Lecture 32 : Underground blast design2; Lecture 33 : Blasting results1; Lecture 34 : Blasting results2; Lecture 35 : Blasting results3; MODULE 8. Lecture 36 : Blasting results4; Lecture 37 ...
Blasting accessories (EM113)
Aug 07, 2013· INTRODUCTION Blasting accessories Various products that are used in blasting, in addition to explosives and initiating devices. Few are consumed in the blast, but most of them are designed to be used in blasting repeatedly. 4.
Rock blasting for mining LinkedIn SlideShare
Jul 28, 2017· 4 In mining operations, blasting has become a routine work. With proper understanding of the rocks and blasting methods, the mining work can be done effectively. 5. 5 The basic objectives of this report is to highlight the principles and practices adopted in rock blasting operations for mining …
H BLASTING IN SURFACE EXCAVATION Mining and Blasting
However, secondary blasting is the most expensive type of blasting. Appropriate blast design is important in order to lessen the production of over size. Secondary blasting can be done by pop shooting (blockholing) and plaster shooting (mudcapping). Shaped charges are sometime used in secondary blasting, but this is much more expensive. Cast ...
Designing Blast Patterns Using Empirical Formulas
Designing Blast Patterns Using Empirical Formulas A Comparison of Calculated Patterns With Plans Used in Quarrying Limestone and Dolomite, With Geologic Considerations By Joseph M. Pugliese Twin Cities Mining Research Center, Minneapolis, Minn . . US Department of Interior Office of Surface Mining Reclamation and Enforcement Kenneth K ...
Jg CHAPTER BLASTING ROCK •Department
BLAST DESIGN . c•A. trial blast should always be performed. It will either validate the initial assumptions or provide the information needed for final blast design. ~~ The . most critical dimension in blast design is the burden distance as shown in Figure 1 (Fig 131, Text) ct .
Blasting equipment LinkedIn SlideShare
Feb 20, 2015· • the types of explosion are the following: mechanical electric nuclear chemical, from the mining point of view, only the last are of interest 3. blasting accessories • various important blasting accessories are as under: 1. safety fuse 2. plastic ignitor cord. 3. detonators. 4. cord relay 5. detonating cord 7. anodet 8. ohm meter 9.
(PDF) Underground mining Methods ResearchGate
Blasting on each sublevel starts at the hangingwall and mining then proceeds t oward the footwall. Blasting removes support for the hangingw all , which collapses into the drift.
Best practices: Drilling and blasting : Pit Quarry
Dec 07, 2015· Larry Mirabelli, senior manager at Buckley Powder Co., teamed with Bill Hissem, senior mining engineer at Construction, to deliver a presentation on drilling and blasting at the 2015 Quarry Academy hosted by Dyno Nobel and .. Mirabelli, who has more than 40 years of experience in explosives technology between Buckley Powder and Dyno Nobel discussed a concept …
COURSE OUTLINE UNSW Engineering
machine mining, drilling and blasting. Machine mining encompasses rock cutting principles, cutting with picks and discs, the design of cutter heads, effect of wear, assessment of rock cuttability, impact breakage and ripping. Drilling encompasses the methods of drilling used in mining and the impact of drilling parameters on
Blasting Equipments Blasting Accessories Exporter from ...
We are offering a Blasting Accessories which are developed using supreme grade components and material at reliable range is available in different capacities based on the requirements of our client and the blasting equipment offered by us are high performance, accurate results, sturdiness and longer functional life.
Trio Electronics Ltd
Trio Electronics specializes in development, production and sales of electronic equipment for the mining, blasting and defense industry. With more than than 20 years of experience, we produce blasting machines, mining ohmmeters, minefield surge protectors and measuring equipment. Guided by the motto: SAFE, SIMPLE, RELIABLE – Our mission is to ...
(PDF) Drilling and blasting as a tunnel excavation method
The drill and blast method is the most widely used technique for rock excavation in tunnelling and underground projects. Its suitability for medium to hard ground conditions has been well recorded ...
Blaster's Training Modules Module 4 Blasthole Drilling
Surface Mining, Department of the Interior, located in Denver, Colorado. The module is an example of the technical assistance the Federal government furnishes States to assist them in meeting the requirements of the Surface Mining Control and Reclamation Act of 1977, upon which their State surface coalmine regulating programs are based.
Blasting Safety Training PDF Files
Glossary of Blasting Terms 13page reference document on blasting terms and their definitions. : Glossary of Blasting Terms Glossary of terms used in explosives and blasting. 230 Kb: Informational Bulletin An unexplained explosion occurred on a shotfirers light …
Different Types of Explosives Used in Mining
Sep 04, 2019· Well, yes and no. From the ninth century AD (though the historians are still uncertain about the exact date of its invention) to the mid1800s, black powder was the only explosive available. A single type of explosives was therefore used as a propellant for guns and for blasting purpose in any military, mining and civil engineering application.
Chapter 8 BLAST DESIGN National Park Service
The economic analysis of the use of explosives is an important part of blasting operations in mining and construction. Explosives are energy, and the efficient use of this energy is a major factor in keeping rock blasting costs under control. Highenergy explosives enhance fragmentation, which ultimately produces a positive effect on production ...
JAn 203 1 of 21 Surface Blasting Safety Procedures
oitted to Ecellence in Mining Safety Last Modified: Page: JAN 2013 2 of 21 MODULE 12 (C ONT.)Surface Blasting Safety Procedures Blasting Materials Surface delays, detonators or blasting caps, boosters, safety fuse, downline and other explosives used for blasting.
(PDF) ROCK BLASTING FOR MINING ResearchGate
To simplify the work, rock blasting is the easiest way. In mining operations, blasting has become a routine work. With proper understanding of the rocks and blasting methods, the mining work can ...
Types of Explosives accessories Mining and Blasting
Microsoft PowerPoint Types of Explosives Author: naj Created Date: 3/8/2010 1:52:36 PM ...
Design methodology for underground ring blasting
tion of ring blasting in different mining conditions. This paper focuses on the design and analysis process 1 De nitions of toe spacing 2 General approach to blast design Onederra and Chitombo Design methodology for underground ring blasting Mining Technology 2007 VOL 116 NO 4 181.