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1、NFPA 654 Standard for the Prevention of Fire and Dust Explosions from the Manufacturing, Processing, and Handling of Combustible Particulate Solids 2006 Edition NFPA, 1 Batterymarch Park, Quincy, MA 02169-7471 An International Codes and Standards Organization Copyright National Fire Protection Assoc
2、iation Provided by IHS under license with NFPALicensee=Defense Contract Mgmt Command/5935922100 Not for Resale, 09/28/2006 21:02:42 MDTNo reproduction or networking permitted without license from IHS -,-,- IMPORTANT NOTICES AND DISCLAIMERS CONCERNING NFPA DOCUMENTS NOTICE AND DISCLAIMER OF LIABILITY
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10、Resale, 09/28/2006 21:02:42 MDTNo reproduction or networking permitted without license from IHS -,-,- ADDITIONAL NOTICES AND DISCLAIMERS Updating of NFPA Documents Users of NFPA codes, standards, recommended practices, and guides should be aware that these documents may be superseded at any time by
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21、Standards Council) in writing of such use. For technical assis- tance and questions concerning adoption of NFPA documents, contact NFPA at the address below. For Further Information All questions or other communications relating to NFPA codes, standards, recommended practices, and guides and all req
22、uests for information on NFPA procedures governing its codes and standards development process, including information on the procedures for requesting Formal Interpretations, for proposing Tentative Interim Amendments, and for proposing revisions to NFPA documents during regular revision cycles, sho
23、uld be sent to NFPA headquarters, addressed to the attention of the Secretary, Standards Council, NFPA, 1 Batterymarch Park, P.O. Box 9101, Quincy, MA 02269-9101. For more information about NFPA, visit the NFPA website at www.nfpa.org. Copyright National Fire Protection Association Provided by IHS u
24、nder license with NFPALicensee=Defense Contract Mgmt Command/5935922100 Not for Resale, 09/28/2006 21:02:42 MDTNo reproduction or networking permitted without license from IHS -,-,- Copyright 2005, National Fire Protection Association, All Rights Reserved NFPA 654 Standard for the Prevention of Fire
25、 and Dust Explosions from the Manufacturing, Processing, and Handling of Combustible Particulate Solids 2006 Edition This edition of NFPA 654, Standard for the Prevention of Fire and Dust Explosions from the Manufacturing, Processing, and Handling of Combustible Particulate Solids, was prepared by t
26、he Technical Committee on Handling and Conveying of Dusts, Vapors, and Gases and acted on by NFPA at its June Association Technical Meeting held June 610, 2005, in Las Vegas, NV. It was issued bytheStandards Council on July 29,2005,with an effective date ofAugust 18,2005, and supersedes all previous
27、 editions. This edition of NFPA 654 was approved as an American National Standard on August 18, 2005. Origin and Development of NFPA 654 NFPA 654 was initiated by the Committee on Dust Explosion Hazards in 1943 and origi- nally applied only to the prevention of dust explosions in the plastics indust
28、ry.As such, it was tentatively adopted in 1944 and officially adopted in 1945. Amendments were adopted in 1946, 1959, 1963, and 1970. The 1970 edition was reconfirmed in 1975. In 1976, responsibility for NFPA 654 was transferred to the Technical Committee on Fun- damentals of Dust Explosion Preventi
29、on and Control. The committee prepared a complete revision for the 1982 edition, the scope of which was expanded to include chemical, dye, and pharmaceutical dusts, since the fire and explosion hazards of those dusts are generally the same as for plastic dusts. In 1988, the committee voted to reconf
30、irm the text as it appeared in the 1982 version, with minor editorial corrections and changes in accordance with the NFPA Manual of Style. In 1994, the standard was revised to improve its usability, adoptability, and enforceability; to update outdated terminology; and to add the NFPAlanguage for equ
31、ivalency and retroac- tivity. In addition, the Technical Committee on Fundamentals of Dust Explosion Prevention and Control added new technologies for explosion prevention to NFPA69, Standard on Explo- sion Prevention Systems. The committee also clarified the requirements relating to controlling haz
32、ardous accumulations of process dust. The 1997 edition was a complete revision that incorporated new processing and explosion protection technologies. The title of the document was revised to reflect that the standard encompassed all industries not otherwise included in previous editions of the stan
33、dard, in- cluding the fibers industry. The complete revision incorporated new requirements for design basis of systems and design details for management of change. A complete revision for the 2000 edition incorporated portions of NFPA 650, Standard for Pneumatic Conveying Systems for Handling Combus
34、tible Particulate Solids, which was withdrawn in 2000. NFPA654 retained its title and provided a unified approach for protecting facilities that handled most combustible particulate solids. The combination of documents eliminated the redundancy that previously had existed between the two, similar st
35、andards. The 2000 edition of NFPA 654 included specific requirements related to fire protection in addition to the existing explosion protection requirements. The 2006 edition is another complete revision, which introduces a performance-based approach for protecting combustible particulate solids pr
36、ocessing facilities. This new ap- proach enables users of the standard to follow the traditional prescriptive method or, for unique situations, gives them the option of a performance-based design. Other changes in- clude updating the standard to the current Manual of Style for NFPA Technical Committ
37、ee Docu- ments format. 6541 Copyright National Fire Protection Association Provided by IHS under license with NFPALicensee=Defense Contract Mgmt Command/5935922100 Not for Resale, 09/28/2006 21:02:42 MDTNo reproduction or networking permitted without license from IHS -,-,- Technical Committee on Han
38、dling and Conveying of Dusts, Vapors, and Gases Walter L. Frank, Chair ABS Consulting Group, DE SE Joe R. Barton, Fountaintown, IN U Paul A. Cera, Schering-Plough Corporation, NJ U John M. Cholin, J. M. Cholin Consultants Inc., NJ SE David G. Clark, E. I. du Pont de Nemours steam, water, or process
39、piping; ducts; and process equipment, in an area containing a combustible dust shall be maintained below 80 percent of the minimum igni- tion temperature of the dust layer as determined by recog- nized test methods acceptable to the authority having jurisdic- tion or 329F (165C), whichever is lower.
40、 9.8 Industrial Trucks. In areas containing a combustible dust hazard, only industrial trucks listed or approved for the elec- trical classification of the area, as determined by Section 6.6, shall be used in accordance with NFPA505, Fire Safety Standard for Powered Industrial Trucks Including Type
41、Designations, Areas of Use, Conversions, Maintenance, and Operations. Chapter 10Fire Protection 10.1 General. Fire protection systems, where installed, shall be specifically designed to address building protection, pro- cess equipment, and the chemical and physical properties of the materials being
42、processed. 10.2 System Requirements. Fire protection systems required by this standard shall comply with 10.2.1 and 10.2.9. 10.2.1* Fire-extinguishing agents shall be compatible with the conveyed materials. 10.2.2Where fire detection systems are incorporated into pneumatic conveying systems, an anal
43、ysis shall be conducted to identify safe interlocking requirements for air-moving de- vices and process operations. 10.2.3 Detection Systems. 10.2.3.1Where fire detection systems are incorporated into the pneumatic conveying system, the fire detection systems shall be interlocked to shut down any ac
44、tive device feeding materials to the pneumatic conveying system on actuation of the detection system. 10.2.3.2Where spark or infrared detection and extinguish- ing systems are provided, the process shall be permitted to continue operating on activation of the detection system. 10.2.3.3 Where a spark
45、 or infrared detection system actuates a diverter valve that sends potentially burning material to a safe location, the process shall be permitted to continue oper- ating on activation of the detection system. 10.2.4Where the actuation of fire-extinguishing systems is achieved by means of electronic
46、 fire detection, the fire detec- tion system, including control panels, detectors, and notifica- tion appliances, shall be designed, installed, and maintained in accordance with NFPA 72, National Fire Alarm Code. 10.2.5 All fire detection initiating devices shall be connected to the fire detection c
47、ontrol panel via Style D or E circuits as described in NFPA 72, National Fire Alarm Code. 10.2.6 All fire detection notification appliances shall be con- nected to the fire detection control panel via Style Y or Z cir- cuits as described in NFPA 72, National Fire Alarm Code. 10.2.7 System Releasing
48、Devices. 10.2.7.1 All fire-extinguishing system releasing devices, sole- noids, or actuators shall be connected to the fire detection control panel via Style Z circuits as described in NFPA 72, Na- tional Fire Alarm Code. 10.2.7.2 The supervision shall include the continuity of the extinguishing sys
49、tem releasing device, whether that device 65418PREVENTION OF FIRE AND DUST EXPLOSIONS OF COMBUSTIBLE PARTICULATE SOLIDS 2006 Edition Copyright National Fire Protection Association Provided by IHS under license with NFPALicensee=Defense Contract Mgmt Command/5935922100 Not for Resale, 09/28/2006 21:02:42 MDTNo reproduction or networking permitted without license from IHS -,-