Page 759 - Dust Explosions in the Process Industries

712 index

Inerting system (coal grinding plant), 110 Jaeckel theory of explosive concentrations,
Integrated process plants, explosion prevention, 314-315
109-1 11 Jenike cell, 209-210
International Protection (IP) code for prevention Jost theory of ignition in premixed gases, 417
of dust ingress, 560-562,564
International ElectrotechnicalCommission (IEC)
area classification standards,553, 554 k-E theory, 327,328-329
electrical apparatuses, 549, 564-565 K,, values (measurementof inherent
Ex“iD” standard for dusts, 570-571 explosibility),97,340-341, 356-357,459,
Ex“p” standard for gases, 565,568 534,535,637
Ex“pD’ standard for dusts, 565, 566, 567 Kjaldman computer models, 364-366
harmonizing dust with gas standards, 551, 556, Kolmogoroff energy spectrum law, 327
565,567
Hartmann bomb, 526
hazard classification system, 543 Lagrangian formulation, 301, 329
hot-plate test, 494495,560 Lambert-Beer’slaw, 7 1
ignition temperature experiment, 391,563 Laminar flame propagation. See Flame
IP (InternationalProtection) code, 560-562, propagation, laminar
564 Liftoff apparatus, 483,484485
minimum ignition energy test, 499, 500, Light attenuation measurement systems, 7 1,
512-513,571,572,576,637,640 72,73
molding standards, 576 Lightning type discharges, 16, 19
pressurized electrical equipment enclosures Lignite dust. See Coal dust
standards, 5655567,575 Limiting oxygen content (LOC)
resistivity test, 487 in atmosphere, 619-620
scope of standards on dusts, 552 for inerting, 639
standards, 141,523,550,562, 563,572 Linen flax dust explosion
test methods, 63 Harbin (1987), 182, 184-187
three-zone concept, 553-554 research, 617
International StandardizationOrganization (ISO) Liquid additives, dust control, 113, 114-116,
Bartnecht system, 241,357 204-205
codes and standards, 87, 141 Liquid bridge regimes, 205,206
explosion suppression system test, 536,539 Liquids, interparticleforces due to, 204-206
Kst value, 340, 356-357, 359,431,447,534, Literature surveys
535,637 aluminum, 138-139
1 m3 closed vessel test, 87,310, 311, 356,431, bag filters in steel works, self-ignition,404
450,461,534,585,603,639,640 cellulose, 135-136
maximum explosion pressure at constant coal dust, 136-137,401403
volume, 529-530 corrosion of direct-reducediron, 403
MEC results, 310, 521, 523, 525 dust explosion hazards, 4, 133-141
test methods, 637 explosion mitigatiodprevention, 57, 133-141
turbulence index, 536 fish meal, 134
Interparticle forces, 224 grain and feed dusts and flour, 133-134
categories, 202 magnesium, 138-139
due to liquids, 204-206 metal dusts, 139-140
electrostatic forces, 203 milk powder, 134,403
and strength of bulk powder, 206-212 miscellaneous powdersfdusts, 140-141
measurement of, 208-212 organic materials, natural, 403
shear cells, 209-210,211 peat dust, 135-136
tensile strength testers, 210-212 powder for electrostatic coating, 137-138
theories, 206-208 research and development,580-582
van der Waals’ forces, 202,207 self-heating of powders/dusts, 388,401404
Intrinsic inerting, 131 silicon, 139-140
Intrinsically safe electrical apparatus, 568-574 sugar, 134
Iron, corrosion of direct-reduced,403 wood dust, 135-136
Isoperibolic experiments, 389-390, 397 Liitolf’s method, 492, 514