Dust explosion prevention—determination of critical oxygen concentration by vertical tube method
✍ Scribed by A.D. Craven; M.G. Foster
- Publisher
- Elsevier Science
- Year
- 1967
- Tongue
- English
- Weight
- 838 KB
- Volume
- 11
- Category
- Article
- ISSN
- 0010-2180
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✦ Synopsis
An apparatus is described in which the flammabili|y of dusts can bc tc,,ted in air diluted ~ ~th inert gas. It has been shox~n th;.tt when ilJlrogcn is ~.tsed ;is ~. 1 dlluellt, lerephthzdi¢ acid dust explosions ¢ztnllol propagale in atmo,,phere,. containing less than 12-4 per cent oxygen at ambie.,~i lenlperalutc and I I-1 per cent oxygen at 1511 (?. The ¢~'itic;tl oxygen wdue determinuxl by the standard me,hod gives only 4-0 per ccm oxygen Ik, r the s~ue material btt~ a compatixt, n of these results shows that the stand;krd test method ~.,. unrealistic in defining ertt,,cal ox.~:gct~ ~;dtles z, pplic~lble to large scale pou dcr h~mdling syslcms. A, I), UR..%VIN ANt).~,1. (;, i,()Sll R Vol. 11