ABSOLUTE AIR FILTERS--FLAMMABILITY AND FIRE CONTROL STUDIES
A study was made of the ignition characteristics and methods of controlling or extinguishing fires in CWS-6 type filters. Air flows ranged from 250 to 560 cfm per fiiter, which is the range encountered in a building ventilation system. Ignition of a filter was attempted by introducing welding sparks or burning paper into the air stream. The welding sparks had no effects however, the burning paper rapidly ignited the filter. Large quantities of smoke were given off immediately when the filter began burning. lgnition of this smoke caused mild explosions during several of the tests. The explosive nature of the smoke might present a greater hazard than the fire itseif. A water fog spray was found to be the best means of controlling the fire when conditions prevented the use of large quantities of water. It also reduced the explosion hazard by preventing ignition of the smoke. The water fog reduced the burning rates significantly at both high and low air flows. (auth)
- Research Organization:
- Dow Chemical Co. Rocky Flats Plant, Denver
- NSA Number:
- NSA-12-009047
- OSTI ID:
- 4347744
- Report Number(s):
- RFP-97
- Country of Publication:
- United States
- Language:
- English
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