Issue link: https://www.e-digitaleditions.com/i/1292632
2 / October 2020 powderbulk.com Powder and Bulk Engineering (ISSN 0897-6627 print, ISSN 1938-9140 online/digital) is published by CSC Publishing Inc, 1155 Northland Drive, Saint Paul, MN 55120. October 2020 | Volume 34 Number 10 www.powderbulk.com T H E AU T H O R I T Y S I N C E 1 9 8 7 7 PBE update 7 Industry news 14 Markets update 15 Research notes 22 Special section: Valves 46 Calendar 48 Continuing education 51 What's new 52 Supplier notes 53 Product news 55 Classified advertising 55 Advertiser index DEPARTMENTS INDUSTRY PERSPECTIVE 6 Getting back to normal John A. Constance DUST COLLECTION 25 Ensuring an efficient dust collection system Dan Navicky 30 Case history: Automated dust collector monitoring 34 Achieving ROI in operating a dust collection system Taylor Morgan 41 Focus products 56 Suppliers' tips Suppliers discuss how seasonal changes can affect outdoor dust collectors. GENERAL FEATURES 16 Particle Professor: Understanding particle flow in reverse-flow cyclones Ray Cocco 45 2020 Virtual event preview: Pack Expo Connects 34 30 25 On the cover: Interceptor-HRD chemical suppression system is shown protecting a cartridge-style dust collector handling polyurethane foam combustible dust at a mattress manufacturer in the southern US. System uses suppression bottles of nitrogen with pressures greater than 800 psi to rapidly deliver suppressant into any vessel before an explosion can develop. System allows the manufacturer to be NFPA compliant and protect its process. Courtesy of CV Technology, Jupiter, FL, 561-694-9588 (www. cvtechnology.com).