Mine Ventilation: Proceedings of the North American/Ninth US by De Souza, E.

By De Souza, E.

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Additional resources for Mine Ventilation: Proceedings of the North American/Ninth US Mine Ventilation Symposium, Kingston, Canada, 8-12 June 2002

Example text

The return air from two active headings brought dust and diesel particulates to both ramps. The headings, which were in development only temporarily, were located between crosscuts 6 and 7. One 6m3-loader and two 20 ton-trucks were the sources of heat and diesel particles in each heading. Table 2. Psychometric properties of air in Ramp A, October 20-21, 1998. Location Ramp A 1. Below IOZ Dispatch 2. Above X-Cut -7 3. Below X-Cut 8 4. Access to FAS 5. Below X-Cut 7 6. Below X-Cut 7 [R] 7. Between X-Cuts 6 & 7 8.

Fogging became a safety hazard because of reduced visibility. In an attempt to dissipate the fog, three-30 kW development fans were installed in the ramps. The operation of the fans improved the visibility for a length of about 200 m but the problem resurfaced thereafter. The alternative of using development fans every 200 m in the ramps for the purpose of maintaining visibility was too expensive to maintain. To effectively eliminate the fogging problem, the system required heaters of larger capacity.

Chmura K & Wallace K. 1997. The Underground Main Fan Study at the Waste Isolation Pilot Plant. Proceedings Of the 6th International Mine Ventilation Symposium, Pittsburgh, Pennsylvania. SME: 527-530. McDaniel, K. & Rempe N. 1998. The Waste Isolation Pilot Plant Underground Ventilation System Waste Management 98’, Tucson, Arizona, McDaniel, K. & Griswold L. 1999a. Adding a Third Main Fan at the Waste Isolation Pilot Plant. The 1999 Annual Meeting and Exhibit of the Society of Mining Engineers of the American Institute of Mining, Metallurgy and Exploration.

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