1、NUCLEAR POWER PLANT AIR-CLEANINGUNITS ANDCOMPONENTSNUCLEAR POWER PLANT AIR-CLEANINGUNITS ANDCOMPONENTSAN ASME STANDARDASME N5092002Revision of ASME N5091989(R1997)AN ASME STANDARDCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford Univer
2、sity User.No further reproduction or distribution is permitted.Uncontrolled when printed.ANAMERICANNATIONALSTANDARDNUCLEARPOWERPLANTAIR-CLEANINGUNITSANDCOMPONENTSANSI/ASMEN509-2002RevisionofASMEN509-2002(R1997)Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on
3、 Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.Date of Issuance:March 26,2003This Standard will be revised when the Society approves the issuance of a new edition.There willbe no addenda issued to this edition.ASME issues writt
4、en replies to inquiries concerning interpretations of technical aspects of thisStandard.Interpretations are published on the ASME Web site under the Committee Pages at http:/www.asme.org/codes/as they are issued.ASME is the registered trademark of The American Society of Mechanical Engineers.This co
5、de or standard was developed under procedures accredited as meeting the criteria for American NationalStandards.The Standards Committee that approved the code or standard was balanced to assure that individuals fromcompetent and concerned interests have had an opportunity to participate.The proposed
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10、 any form,in an electronic retrieval system or otherwise,without the prior written permission of the publisher.The American Society of Mechanical EngineersThree Park Avenue,New York,NY 10016-5990Copyright 2003 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.Copyrigh
11、ted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.CONTENTSForeword.ivCommittee Roster.v1Scope.11.1Limitations.11.2Purpose.12Applicable Documents.13T
12、erms and Definitions.14Functional Design.14.1General.14.2Design Parameters.24.3Size(Installed Capacity)of Air-Cleaning Unit.24.4Environmental Design Condition.24.5Structural Load Requirements.24.6Air-Cleaning Units and Components That Must Withstand Fan PeakPressure.24.7Nuclear Air-Treatment System
13、Configuration and Location.34.8Maintainability Criteria.34.9Monitoring of Operational Variables.44.10Adsorbent Cooling.44.11Fire Protection.44.12Insulation.44.13Testability.44.14Pressure Boundary Leakage.55Components.55.1HEPA Filters.55.2Tray-Type Bed and Deep Bed Adsorber Cells.55.3Prefilters and P
14、ostfilters.55.4Moisture Separators.55.5Air Heaters.55.6Filter Housing.65.7Fans.65.8Fan Drives.65.9Dampers.65.10Ducts.66Packaging,Shipping,Receiving,Storage,and Handling of Components.67Installation and Erection.67.1Drawings.67.2Erection.77.3Welding.77.4Installation of HEPA Filters and Adsorbers.78Qu
15、ality Assurance.79Acceptance Testing.7Mandatory AppendixISampling of Installed Adsorbents for Surveillance Testing.9iiiCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitt
16、ed.Uncontrolled when printed.FOREWORDThis Standard covers requirements for the design,construction,and testing of units andcomponents which make up high efficiency air and gas cleaning systems used in nuclear powerplants.The standard was originally developed by the American National Standards CommitteeN45 on Reactor Plants.This Standard specifies acceptance testing,including minimum acceptance requirements,inaccordance with the standard prepared by the companion ad hoc working group,“Testing ofN