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1 edition of Impact of using auxiliary fans on coal mine ventilation efficiency and cost found in the catalog.

Impact of using auxiliary fans on coal mine ventilation efficiency and cost

Impact of using auxiliary fans on coal mine ventilation efficiency and cost

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  • 16 Currently reading

Published by U.S. Dept. of the Interior, Bureau of Mines in Washington, D.C .
Written in English

    Subjects:
  • Mine ventilation.,
  • Air flow.,
  • Fans (Machinery),
  • Brattices (Mining)

  • Edition Notes

    Statementby Keith G. Wallace, Jr. ... [et al.].
    SeriesReport of investigations ;, 9307, Report of investigations (United States. Bureau of Mines) ;, 9307
    ContributionsWallace, Keith G.
    Classifications
    LC ClassificationsTN23 .U43 no. 9307, TN303 .U43 no. 9307
    The Physical Object
    Pagination8 p. :
    ID Numbers
    Open LibraryOL1850063M
    LC Control Number90001512

    Oct 01,  · Read "Models of methane behaviour in auxiliary ventilation of underground coal mining, International Journal of Coal Geology" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. Oct 01,  · Field measurements were taken in an operating coal mine in order to validate CFD models. Furthermore the result of such analysis permits the identification of potentially dangerous zones and the design of the necessary auxiliary ventilation such as a forcing system with exhaust overlap, jet fans, spray fan systems or compressed air naba-hairstreak.com by: There is a huge amount of coal mine ventilation air methane emitted into the atmosphere directly each year in china, not only causes a lot of energy was wasted, but also do severe harm to the protection of the environment. The Utilization Technologies of coal mine ventilation air methane (VAM) are receiving more and more attention from people, Aiming at the domestic and international Author: Wei Feng Zou, Lin Chao Dai, Hui Ming Yang, Bo Wang. Oct 17,  · The basic components of any type of mine ventilation system involve a combination of pipes, ducts, fans, cooling and heating systems, and occasionally air cleaning equipment 1. Types of Mine Ventilation Systems. Two basic types of ventilation systems .


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Impact of using auxiliary fans on coal mine ventilation efficiency and cost Download PDF EPUB FB2

Impact of using auxiliary fans on coal mine ventilation efficiency and cost. Washington, D.C.: U.S. Dept. of the Interior, Bureau of Mines, (OCoLC) @article{osti_, title = {Impact of using auxiliary fans on coal-mine ventilation efficiency and cost.

Report of Investigations/}, author = {Wallace, K.G. and McPherson, M.J. and Brunner, D.J. and Kissell, F.N.}, abstractNote = {Coal mine ventilation systems are often subject to high leakage rates.

As a result, changes in airflow resistance will strongly affect the efficiency with. Impact of using auxiliary fans on coal mine ventilation efficiency and cost. Published Date: "Coal mine ventilation systems are often subject to high leakage rates. As a result, changes in airflow resistance will strongly affect the efficiency with which air is delivered to the working place.

with improvements in system efficiency. Underground Coal Operators’ Conference The AusIMM Illawarra Branch 10 – 11 February THE EFFICIENCY STUDY OF THE PUSH-PULL VENTILATION SYSTEM IN UNDERGROUND MINE Xichen Zhang,1Yutao Zhang and Jerry C Tien ABSTRACT: Auxiliary ventilation refers to the systems that are used to supply fresh air to the working faces in dead end including the use of a push.

may be applicable to coal as well. Options for improvement. Areas that can be exploited to 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. • operating or using ventilation fans • altering, maintaining, repairing or overhauling ventilation fans • developing, operating and maintaining procedures as part of the mine ventilation plan as required by the regulation.

For booster fans in underground coal mines, Parts. "Coal mine ventilation systems are often subject to high leakage rates.

As a result, changes in airflow resistance will strongly affect the efficiency with which air is delivered to the working place. One major source of airflow resistance is the line brattice used to direct Cited by: 1.

MINE VENTILATION SYSTEMS Ventilation is the control of air movement, its amount, and direction. used in combination with auxiliary fans.

Booster fans Figure shows the two methods of ventilating a room and pillar development panel in a coal mine where multiple entries are driven. Figure a is the directional, or W-system, in.

Dev£~lopment of coal mine fac(~ ventilation systems dUI"ing the 20th century D Uring the 20th century, the increased emphasis on worker health and safety and the advent of new mining equipment and methods led to many changes in mine face ventilation practices.

Efforts by government and private industry to improve and modify. Impact of using auxiliary fans on coal mine ventilation efficiency and cost book proven track record over a century of supplying axial flow fans, centrifugal surface ventilation fans, mixed flow main ventilation fans, underground booster fans, and portable mine fans for underground auxiliary ventilation, means that you can trust the performance of your rotating equipment when it bears the name Howden.

COST SAVING STRATEGIES IN MINE VENTILATION. Euler De Souza. The Robert M. Buchan Department of Mining, Queen's University. Kingston, Ontario, Canada. ABSTRACT.

Energy associated with ventilating an underground operation comprises a significant portion of a. Quality, Reliability & Competitive Prices; Quality, Reliability & Competitive Prices; Quality, Reliability & Competitive Prices; Quality, Reliability & Competitive Prices.

COAL MINE VENTILATION EFFICIENCY: A COMPARISON OF US COAL MINE VENTILATION SYSTEMS Craig R. Hairfield, Marshall Miller & Associates Inc, Richmond, VA J. Daniel Stinnette, Mine Ventilation Services Inc, Fresno, CA Abstract With ever rising energy costs, it is increasingly important for mines to operate with energy efficiency.

Words. Mine Ventilation and Exhaust Gas Radial or Axial Ducted Fans and Blowers. Heavy Duty and High Efficiency Mine Fans. Explosion Proof too. Centrifugal fans for tunnels, Mine axial fans, High pressure radial fans, Underground ventilations, Pneumatic conveying, Tunnel and duct aeration, Fumes exhaust system, Silencer, Ogive core silencer, Noise reduction, Pressurization systems, Hydraulic.

Chapter 4. Subsurface Ventilation Systems. Malcolm J. McPherson 3 Fresh air enters the system through one or more downcast shafts, drifts (slopes, adits), or other connections to surface.

The air flows along intake airways to the working areas or places where the majority of pollutants are added to the air. · adjustable/fixed pitch axial fans for underground auxiliary ventilation and portable mine fans · Single stage and multi stage mine ventilation fan. Range of maya mine ventilation fan includes all the application in mining industries: ·Hard-rock (metallic) mines ventilation fan.

Definition of mine ventilation auxiliary fan. A small fan installed underground for ventilating coal faces or hard rock headings that are not adequately ventilated by the air current produced by the mine-ventilation fan.

An auxiliary fan is usually from to m in diameter. It is driven by compressed air or electricity. Auxiliary ventilation operation practices E. De Souza. Department of Mining Engineering, Queen’s University, Kingston, Canada. ABSTRACT: A series of visits to underground operations have been performed to identify installation and maintenance pratices in ac uxiliary ventilation systems.

This paper presents industry trends in duct ventilation. Sep 18,  · Classification of Fan Mine fans classified in terms of their location: Main fans, which create the primary ventilating pressure, either forcing or exhausting, that generates the ventilation circuit around the mine.

Auxiliary fans, which generate an air flow beyond the circuit created by. Auxiliary Mine Ventilation Systems culation in auxiliary and district ventilation circuits for coal mines in the United Kingdom. McPherson running fans continuously, it is cost effective. Chapter 1: Mine Ventilation – An Overview Page 2 Revolution, the working of seams rich in methane gas, inadequate ventilation, furnaces located in methane-laden return air and the open flames of candles.

There are many graphic descriptions of methane and coal dust explosions, the suffering of mining communities, the heroism of rescue at. Robinson, R. () Use of booster fans and recirculation systems for environmental control in British coal mines.

Proc. 4th US Mine Ventilation Symp., Berkeley, CA, – Google ScholarAuthor: Malcolm J. McPherson. requirements to control silica and coal dust exposers, and use of underground booster fans to enhance ventilation to working areas.

Some of the current state of the art work in ventilation addresses the trends presented above. Advances include: • Ventilation on Demand (VOD) •. Auxiliary ventilation design - why mines waste so much power on inferior systems. D J Brake. Mine Ventilation Australia. ABSTRACT. There has been a strong trend over the past decade in hardrock mines towards the use of very high powered twin-stage auxiliary fans pushing air into a single "trunk" duct that in turn splits into multiple.

U.S. Underground Coal Mine Ventilation Air Methane Exhaust Characterization published was originally by the United States Environmental Protection Agency’s Coalbed Methane Outreach Program (CMOP) in The original report presented aggregated Mine Safety & Health Administration (MSHA) mine ventilation shaft data from From inside the book.

Mine Ventilation and Air Conditioning air conditioning air density air flow airway auxiliary ventilation axial-flow fans blade blower brattice Btu/hr bulb Calculate carbon centrifugal fan characteristic curves circuit CM CM CM coal mines coil compressor cooling load cost determined dioxide discharge dry-bulb dry.

A theoretical comparison of ventilation on demand strategies for auxiliary mine ventilation systems. Real time ventilation network analysis based on anemometers in an underground coal mine. Because mine fans operate continuously and require considerable power to do so, ventilation efficiency is an important consideration and fan specification and ventilation circuit maintenance become important cost considerations.

Underground mine ventilation provides a flow of air to the underground workings of a mine of sufficient volume to dilute and remove dust and noxious gases (typically NO x, SO 2, methane, CO 2 and CO) and to regulate naba-hairstreak.com source of these gases are equipment that runs on diesel engines, blasting with explosives, and the orebody itself.

The largest component of the operating cost for. suitability to oxidize coal mine ventilation air methane (VAM). Coal mining, and particularly coal mine ventilation air, is a major source of anthropogenic methane emissions, a greenhouse gas.

Ventilation air volumes are large and the concentration of methane in the ventilation air is low; thus making it difficult to use or abate these emissions. different faces of a mine, have great impact in ventilation systems.

Thus, selection of appropriate fans for a mine is the acute task. Unsuitable selection of a fan decreases safety and production rate, which increases capital and operational costs.

Moreover, pitch angle of fans’ blades plays an important role. Impact of using auxiliary fans on coal mine ventilation efficiency and cost / (Washington, D.C.: U.S. Dept. of the Interior, Bureau of Mines, ), by Fred N. Kissell, Dan J. Brunner, Malcolm J.

McPherson, and Keith G. Wallace (page images at HathiTrust). Coal mining is the process of extracting coal from the ground. Coal is valued for its energy content and since the s, has been widely used to generate electricity. Steel and cement industries use coal as a fuel for extraction of iron from iron ore and for cement production.

In the United Kingdom and South Africa, a coal mine and its structures are a colliery, a coal mine - a pit, and the. Sep 23,  · As the energy consumption to operate a ventilation system is 25 to 50% of the total energy requirements of an underground coal mine, proper planning, redesign, implementation and maintenance are necessary to achieve energy saving in this potentially viable area.

Many researchers all over the world are therefore busy with solution for optimizing the consumption of energy in ventilation Cited by: 2.

After about five years spent largely in a study of metal-mine ventilation supplementing over fifteen years spent in more or less intimate contact with ventilation in coal and, to a less extent, in metal mines, the writer believes that no mine (coal or metal) can be efficiently ventilated without the use of mechanical equipment (especially fans).

The objective of auxiliary ventilation in underground mines is to deliver sufficient air quantity and quality to all workplaces through the use of a combination of fans, ducts and air flow controls. This page colour manual is intended to provide an overview of auxiliary ventilation and to.

Down Under Mining Equipment Sales Ventilation Fans Auxiliary Ventilation. Single Stage gel Series Fans. Twin Stage gel Series Fans. ZVN Series Fans.

Products List. Zitron gEL 7 Series Fans View Details» No Price Available. A METHOD FOR EVALUATING THE APPLICATION OF VARIABLE FREQUENCY DRIVES WITH COAL MINE VENTILATION FANS Tyson M. Murphy ABSTRACT The adjustable-pitch setting on an axial-flow fan is the most common method of controlling airflow for primary coal mine ventilation.

mining scenarios and ensure sufficient ventilation by using the appropriate auxiliary ventilation settings. The results can easily be developed into training aids using easy to use excel spread sheets to ensure that mineworkers at the coal face have a better understanding of.

The manufacturer’s range of fans has been developed and designed using empirical design codes and fan optimisation through computational fluid dynamics (CFD) methods to increase total.

This is done because changing the speed of the main fan will affect the entire network and is more complicated to control than the auxiliary fans. The novelty of this paper is that it focuses on applying both DSM strategies together (load shifting and energy efficiency) to the main fan in an underground mine ventilation naba-hairstreak.com by: Development Face Ventilation.

To maintain a ventilation circuit it is necessary to have an intake and a return airway to the innermost point to be ventilated.

As roadways are mined, the last section has only a single roadway so another arrangement has to be made.such as a coal mine it may mean keeping explosive gases from building to dangerous levels.” Secondary ventilation is used in development headings and production areas at the end of drives.

Fresh air is brought to the working area from the primary ventilation system by an auxiliary fan, via vent ducting, and flows back in the drive.