Forward xiiPreface xviiHow to use this book xixPart 1: IntroductionPart 1: Structural analysis and design for reinforcing dust handling systemsChapter 1: Design criteria and general theory 1Chapter 2: Square/Rectangular Dust Collectors: walls, roof and hopper sections 7Chapter 3: Round Cylindrical Dust Colectors 43Chapter 4: Reinforcing member to panel weld analysis and Port (nozzle) 58Chapter 5: Access doors, hinges and latches 72Chapter 6: Explosion vent ducts, mill air inlet ducts, blast deflectors, and 86Chapter 7: Explosion vent duct weather covers 136Chapter 8: Dust collector stability 144Chapter 9: System explosion isolation 150Chapter 10: Screw conveyors rotary airlock valves and isolation valves 152Chapter 11: Grounding of systems 155Chapter 12: Housekeeping 161Appendix A: Part 1 worksheets 164Part 2: Explosion relief element and flowing pressure (PRed) analysis 193Chapter 13: Know your process dust characteristics 195Chapter 14: Venting analysis of dust handling systems 200Chapter 15: Duct back pressure considerations 220Chapter 16: Other methods of explosion pressure reduction 229Appendix 2: Part 2 worksheets 230References 234Index 235
ROBERT C. COMER, P.E., is a Life Member of the National Society of Professional Engineers. He served as President of the New Jersey, Morris County Association of Professional Engineers and Land Surveyors for two years. He holds seven patents. He retired as the Site Engineering Manager for M & M, Mars, Inc. and has been a consultant to Hazards Research, Inc. for the last 25 years. He has been a consultant to plants all over the world, analyzing over 200 dust explosion vented equipment systems.