Use and Dangers of Booster and Auxiliary Fans as Applied to Coal Mine Ventilation PDF Download
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Author: H. I. Smith
Publisher:
ISBN:
Category : Mine ventilation
Languages : en
Pages :
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Author: H. I. Smith
Publisher:
ISBN:
Category : Mine ventilation
Languages : en
Pages :
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Author: Daniel Harrington
Publisher:
ISBN:
Category : Fans (Machinery)
Languages : en
Pages : 24
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Author: Arash Habibi Javanbakht
Publisher:
ISBN:
Category : Computational fluid dynamics
Languages : en
Pages : 136
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"Booster fans are large underground fans that can increase the volumetric efficiency of ventilation systems by balancing the pressure and quantity distribution throughout a mine, reducing leakage and reducing the total power requirement. The objective of this study is to provide potential users of booster fans with the necessary information on the design, installation and operation of main underground fans. The guidelines listed in this paper were formulated based on current U.S. and international standards, safe operating practices developed by the mining industry, and recommendations provided by fan manufacturers. The principles involved in the design and installation of booster fans are illustrated by a sample problem which is solved using a ventilation simulator in two configurations: a single-fan system and a two-fan system. The latter is used to highlight the benefits of using a booster fan system. This also illustrates some key design factors which, if not accounted for properly, may result in system inefficiencies and/or fan failures. Booster fans are prohibited in underground coal mines in the United States. However, despite increased potential for recirculation, booster fans are used effectively in other major coal-producing countries such as Australia and the United Kingdom. Approaches specific to coal mine ventilation in other countries are compared to help identify practices that reduce risks associated with the use of booster fans. Two underground booster fans have been installed in the Missouri S & T Experimental Mine, an underground dolomite mine located in Rolla, Missouri. Recirculation is a risk because it has the potential to increase the concentration of air contaminants, including methane, dust and heat in the intake air. Computational Fluid Dynamics (CFD) and Ventsim numerical models and experiments at the Missouri S & T Experimental Mine have been used to evaluate the effect of booster fan on recirculation, surface fan and the ventilation network"--Abstract page iii.
Author:
Publisher:
ISBN:
Category : Mine ventilation
Languages : en
Pages : 52
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Author: Keith G. Wallace
Publisher:
ISBN:
Category : Air flow
Languages : en
Pages : 16
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Author: W. T. W. Cory
Publisher:
ISBN:
Category : Fans (Machinery)
Languages : en
Pages : 9
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Author: Daniel Harrington
Publisher:
ISBN:
Category : Fans (Machinery)
Languages : en
Pages : 32
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Author: Felipe Calizaya
Publisher:
ISBN:
Category : Fans (Machinery)
Languages : en
Pages : 120
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The objectives of this study are to investigate the conditions under which booster fans can be used safely in underground coal mines, especially in deep mines with difficult conditions. Specifically, the study is directed at (1) developing a booster fan selection method to assist the ventilation engineer at the design stage; (2) identifying the critical hazards and risks associated with the utilization of booster fans in coal mines; and (3) developing a process control system to evaluate the fan safety during its operation.
Author:
Publisher:
ISBN:
Category : Mines and mineral resources
Languages : en
Pages : 24
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Book Description
Author: Coal Mine Management
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 512
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