ppt machinery used to mine ventilation

Ventilation Lab. 4 Natural Ventilation

Min218 Mine Atmosphere Control Lab 4: Natural Ventilation 2 6) Determine directions of airflow at all stations. Instructions and Equipment The sling psychrometer will be utilized to determine the wetand drybulb temperatures at both the

3 Technologies in Exploration, Mining, and Processing ...

In underground mining the mining machine (if mining is continuous) can be used as a sound source, and receivers can be placed in arrays just behind the working face. For drilling and blasting operations, either on the surface or underground, blast pulses can be used to …

Ventilation Test Instruments

TSI's full line of industrial ventilation test instruments are designed to accurately and reliably measure a wide variety of parameters important in monitoring and maintaining indoor environments. Our instruments are optimized for easeofuse, yet offer a range of advanced capabilities including data logging, that are critical in ensuring ...

Application of Tunnel Boring Machines in Underground Mine ...

construction, the hard rock mining industry has always shown a major interest in the use of TBMs for mine development, primarily for development of entries, as well as ventilation, haulage and production drifts. The successful application of TBM technology to mining depends on the selection of the most suitable equipment

Ventilation of underground mine LinkedIn SlideShare

Jun 24, 2016· Layouts charcoal Boosters for ventilation circuits: alternative economical general to change the distribution of flows in specific areas of the mine (it's more interesting than the main increase ventilation or use regulators to move part of the flow from one sector to another mine); the boosters can be low power fans (eg coal when used to ...

PPT – Workplace Examinations PowerPoint presentation ...

management to any changes in the mine ventilation system and other potentially dangerous mining conditions or hazards before accidents can happen. 4 Responsibility for Safety. Each mine examiners task is to conduct a proper and complete examination to accomplish an accurate assessment of conditions within the mine.

Underground Mining Methods and Equipment

2. Underground Mining Machinery Glossary Bibliography Biographical Sketches Summary The first section gives an overview of underg round mining methods and practices as used commonly in underground mines, including classification of underground mining methods and brief explanations of the techniques of roomandpillar mining, sublevel

Openpit mining | ABB

With more than 1,000 large mining machines operating around the world, our equipment has proven to withstand the extreme conditions of openpit mining, from dusty and dirty environments, to severe vibrations, to temperatures ranging from 50° C to +50° C. Standard AC multidrive installations have been mechanically reinforced to make them ...

UNDERGROUND VENTILATION (METALLIFERROUS MINES) …

Correct design, implementation and maintenance of mine ventilation is therefore of fundamental importance. In present day mining, ventilation systems designed and operated to maintain efficient operations will normally enable a high standard of occupational health and safety to be achieved. Issued: December 1997 Page 3 Version

machinery and equipment safety – an introduction

• machinery and equipment with moving parts that can reach people such as booms or mechanical appendages (arms) • mobile machinery and equipment, such as forklifts, pallet jacks, earth moving equipment, operated in areas where people may gain access. Common mechanical hazards and associated risks for machinery and equipment are shown below.

Mine Tales: From candles to canaries, ventilation is a ...

Proper ventilation continues to be a concern in 21st century mining operations, with precautions toward the prevention of frictional heat and sparks caused by mining equipment along with the use ...

PPT – M18A1 CLAYMORE MINE PowerPoint presentation | free ...

Precious Metals Mining Industry in Chile to 2020 The report contains an overview of the Chilean precious (gold and silver) metals mining industry together with the key growth factors and restraints affecting the industry. It also provides information about reserves, production, production by region, Chilean vs global mine production, demand by end use, prices, competitive landscape and major ...

(PDF) Defining Safety Hazards Risks in Mining Industry ...

Feb 27, 2018· Many machines used in carryi ng out mining tasks involve moving parts, sharp edges and hot surfaces which have the potential to cut, stab, crush, struck or wound workers if used unsafely. Mining ...

Surface Mining Methods and Equipment

open pit equipment in large numbers, thus reducing production costs even further. Open pit machinery can also be used for other purposes such as civil construction, whereas underground mining equipment is specialized and expensive. A number of surface mines operate 24 hours/da y and almost 365 days/year in order to use

Ventilation QueensMineDesignWiki

Background. The main objective of an underground mine ventilation system is clear: to provide air flows in sufficient quantity and quality to dilute contaminants to safe amounts/concentrations where personnel are required to travel and work. This requirement is integrated into the mining law of those nations who possess that type of legislation. The degree of "quality' and "quantity" varies ...

Basic Mine Ventilation

Permissible Electric Equipment In order to prevent methane ignitions caused by electrical equipment, all such equipment taken into or used inby the last open crosscut, in return air or located within 150 feet of pillar workings or longwall faces must be maintained in permissible condition Air always flows from a point of higher to lower pressure.

Introduction Overview | Introduction | underground COAL

INTRODUCTION. The intended purpose of this Website . is to provide a reference document for all aspects of underground coal mining in Australia (though there may be references to overseas practices where these could be of interest).. The aim is to be of use to all levels of expertise from people with no, or at least a very limited knowledge of mining through to practicing mining engineers ...

Hard Rock Miner's Handbook

of the Mining Journal, , and many other members of the mining community, the Hard Rock Miner’s Handbook has been distributed to over 113 countries worldwide. Web hits and downloads continue as students and professors, miners, engineers , and mining executives embrace the Handbook as an invaluable source of practical

Digital Underground Mine – The Digital Transformation ...

Humanity has been mining for a very longtime. In fact, archeological records and carbon dating show that the Ngwenya Mine, in Swaziland is 43,000 years old mining, due to its complexity, difficulty, and risks, does not have a long history; but it has been around for many generations.

Methods to Improve Efficiency of Mine Ventilation Systems

improve mine airlow are shop ventilation methods, auxiliary equipment areas, dedicated intakes and returns, optimizing mine development, examination of mine airway utilization and alternative ventilation methods. Underground shops First, examine what is being done with the underground shop air. If it is being coursed directly to the returns, there

Mining Underground mining | Britannica

Mining Mining Underground mining: When any ore body lies a considerable distance below the surface, the amount of waste that has to be removed in order to uncover the ore through surface mining becomes prohibitive, and underground techniques must be considered. Counting against underground mining are the costs, which, for each ton of material mined, are much higher underground than on the ...

Ventilation Basic Mining Process/Terminology ...

Ventilation. Good quality air has to be provided for personnel to breath, to dilute both natural and introduced ( diesel exhaust) gases, to dilute or carry away dust and to provide cooling for personnel and machinery. A small quantity of air may flow through mine workings naturally but this would be insufficient and uncontrolled and ...

NPTEL :: Mining Engineering An Introduction to ...

NPTEL provides Elearning through online Web and Video courses various streams.

Applications of Noise Control in the Mining Industry ...

Underground Mining, in contrast, requires big ventilation silencers for fans that may run at 500k CFM, and are therefore screamingfast with high tip speeds, resulting in exceptionally high noise generation. Noise may be generated by any number of equipment or processes required in the complex, dynamic environment of mining.

MINE VENTILATION SYSTEMS

Figure 91. Basic ventilation system underground where D is a ventilation door or airlock, R is a mine regulator and 1, 2, 3 are working places with a surface exhaust fan. To maintain adequate ventilation through the life of a mine, careful advance ventilation planning is essential.

Total Mine Ventilation Solutions | Mining | Howden

World leading Software and Digital partner. Our ventilation control software is revolutionising the Mining industry. We believe in building on the best, and therefore our Total Mine Ventilation Solution is built upon the worlds best OEM ventilation equipment, paired with the worlds most used Mine mapping software (Ventsim) and leveraging partnerships with some of the biggest names in the world ...

Heavy Equipment Safety Training PDF Files

This material should be used by trainers as a supplement to practical knowledge and specific mine conditions. Construction and Mining Equipment PowerPoint Resources Browse these additional mining and construction related categories for more PowerPoint resources.

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 the size, shape, and position of pillars is a complicated procedure, and is an area of ...

MEASUREMENT OF AIRFLOW IN A SIMULATED …

Research Laboratory’s Ventilation Test Gallery (Figure 1). One side of the gallery was designed to simulate a mining entry with a m (7ft) high roof and ribs 5 m (16½ ft) apart. For half of the tests the entry width was reduced to 4 m (13 ft) by building a wall 1 m (3 ½ ft) from the right rib. Figure 1. Ventilation Test Gallery

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