ASME EA-3-2009 Energy Assessment for Steam Systems《蒸汽系统用能量评估》.pdf

1、AN AMERICAN NATIONAL STANDARDASME EA-32009Energy Assessment for Steam SystemsIntentionally left blank ASME EA-32009EnergyAssessment forSteam SystemsAN AMERICAN NATIONAL STANDARDDate of Issuance: January 22, 2010This Standard will be revised when the Society approves the issuance of a new edition. Th

2、ere will be no addenda issued to this edition.ASME issues written replies to inquiries concerning interpretations of technical aspects of this Standard. Periodically certain actions of the ASME EA Committee may be published as Cases. Cases and interpretations are published on the ASME Web site under

3、 the Committee Pages at http:/cstools.asme.org as they are issued.ASME is the registered trademark of The American Society of Mechanical Engineers.This code or standard was developed under procedures accredited as meeting the criteria for American National Standards. The Stan-dards Committee that ap

4、proved the code or standard was balanced to assure that individuals from competent and concerned interests have had an opportunity to participate. The proposed code or standard was made available for public review and comment that provides an op-portunity for additional public input from industry, a

5、cademia, regulatory agencies, and the public-at-large.ASME does not “approve,” “rate,” or “endorse” any item, construction, proprietary device, or activity.ASME does not take any position with respect to the validity of any patent rights asserted in connection with any items mentioned in this docume

6、nt, and does not undertake to insure anyone utilizing a standard against liability for infringement of any applicable letters patent, nor assume any such liability. Users of a code or standard are expressly advised that determination of the validity of any such patent rights, and the risk of infring

7、ement of such rights, is entirely their own responsibility.Participation by federal agency representative(s) or person(s) affi liated with industry is not to be interpreted as government or industry endorsement of this code or standard.ASME accepts responsibility for only those interpretations of th

8、is document issued in accordance with the established ASME procedures and policies, which precludes the issuance of interpretations by individuals.No part of this document may be reproduced in any form, in an electronic retrieval system or otherwise, without the prior written permission of the publi

9、sher.The American Society of Mechanical EngineersThree Park Avenue, New York, NY 10016-5990Copyright 2010 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in the U.S.A.iiiCONTENTSForeword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

10、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ivCommittee Roster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vCorrespondence W

11、ith the EA Committee . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi1 Scope and Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

12、. . . . . . . . 12 Defi nitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

13、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Organizing the Assessment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Conducting the Assessment . . . . . . . . . . . . . . . . . . . . . .

14、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 Assessment Data Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 Report and Documentation . . . . . . . . . . .

15、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Figure1 Assessment Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6Nonmandatory Appen

16、dixA Key References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13ivFOREWORDThis document provides a standardized framework for conducting an energy assessment for steam systems, hereafter refer

17、enced as an “assessment.” A steam system is defi ned as a system containing steam generator(s) or other steam source(s), a steam distribution network, and end-use equipment. Cogeneration and power generation components may also be elements of the system. If steam condensate is collected and returned

18、, the condensate return subsystem is a part of the steam system. Assessments involve collecting and analyzing system design, operation, energy use, and performance data and identifying energy performance improvement opportunities for system optimization. An assessment may also include additional inf

19、ormation, such as recommendations for improving resource utilization, reducing per unit production cost, reducing life cycle costs, and improving environmental performance related to the assessed system(s). This Standard provides a common defi nition for what constitutes an assessment, for both user

20、s and providers of assessment services. The objective is to provide clarity for these types of services which have been variously described as energy assessments, energy audits, energy surveys, and energy studies. In all cases, systems (energy-using logical groups of industrial equipment organized t

21、o perform a specifi c function) are analyzed through techniques, such as measurements, resulting in the identifi cation, documentation, and prioritization of performance improvement opportunities.This Standard sets the requirements for conducting and reporting the results of an assessment that evalu

22、ates the en-tire system, from energy inputs to the end use utilization of these inputs. An assessment that complies with this Stan-dard need not address each individual system component or subsystem within an industrial facility with equal weight; however, it must be suffi ciently comprehensive to i

23、dentify the major energy effi ciency opportunities for improving the overall energy performance of the system. This Standard is designed to be applied primarily at industrial facilities, but many of the concepts can be used in other facilities such as those in the institutional and commercial sector

24、s.The Standard is part of a portfolio of documents designed to assist in improving the effi ciency of industrial facili-ties. Initially, four assessment standards are being developed for compressed air, process heating, pumping, and steam systems. Other related existing and planned efforts to improv

25、e the effi ciency of industrial facilities include:(a) ASME guidance documents for the assessment standards, which provide rationale for the technical requirements of the assessment standards and give technical guidance, application notes, alternate approaches, tips, techniques, and rules-of-thumb.(

26、b) A certifi cation program for each assessment standard that recognizes certifi ed practitioners as individuals who have demonstrated, via a professional qualifying exam, that they have the necessary knowledge and skills to properly apply the assessment standard.(c) An energy management standard, “

27、A Management System for Energy, ANSI/MSE 2000:2008,” which is a stan-dardized approach to managing energy supply, demand, reliability, purchase, storage, use, and disposal, and is used to control and reduce an organizations energy costs and energy-related environmental impact. Note: This ANSI standa

28、rd will eventually be superseded by ISO 50001, now under development.(d) An ANSI-accredited measurement and verifi cation protocol that includes methodologies for verifying the results of energy effi ciency projects.(e) A program, Superior Energy Performance, that will offer ANSI-accredited certifi

29、cation for energy effi ciency through application of ANSI/MSE 2000:2008 and documentation of a specifi ed improvement in energy performance using the ANSI measurement and verifi cation protocol.The complementary documents described above, when used together, will assist organizations seeking to esta

30、blish and implement company-wide or site-wide energy plans.ASME EA-32009 was approved by the EA Industrial System Energy Assessment Standards Committee on October 1, 2009 and approved by the American National Standards Institute (ANSI) on December 2, 2009.vEA INDUSTRIAL SYSTEM ENERGY ASSESSMENT STAN

31、DARDS COMMITTEE(The following is the roster of the Committee at the time of approval of this Standard.)STANDARDS COMMITTEE OFFICERSF. P. Fendt, ChairP. E. Shea er, Vice ChairR. L. Crane, SecretarySTANDARDS COMMITTEE PERSONNELJ. A. Almaguer, The Dow Chemical Co. A. T. McKane, Lawrence Berkeley Nation

32、al LaboratoryR. D. Bessette, Council of Industrial Boiler Owners W. A. Me ert, Georgia Institute of TechnologyR. L. Crane, The American Society of Mechanical Engineers J. L. Nicol, Science Applications International Corp.G. T. Cunningham, Tennessee Tech University J. D. Rees, North Carolina State Un

33、iversityT. J. Dunn, Weyerhaeuser Co. P. E. Scheihing, U.S. Department of EnergyF. P. Fendt, The Dow Chemical Co. E. Shea er, Resource Dynamics Corp.A. R. Ganji, San Francisco State University V. C. Tutterow, Project Performance Corp.J. C. Ghislain, Ford Motor Co. L. Whitehead, Tennessee Valley Autho

34、rityT. A. Gunderzik, XCEL Energy A. L. Wright, Oak Ridge National LaboratoryS. J. Korellis, Contributing Member, Electric Power Research Institute R. G. Wroblewski, Productive Energy Solutions, LLCPROJECT TEAM EA-3 ENERGY ASSESSMENT FOR STEAM SYSTEMSA. L. Wright, Chair, Oak Ridge National Laboratory

35、 F. P. Fendt, The Dow Chemical Co. G. Harrell, Vice Chair, Energy Management Services G. Hahn, Spirax SarcoR. J. Jendrucko, Vice Chair, Consultant G. M. Halley, American Boiler Manufacturer AssociationP. E. Shea er, Secretary, Resource Dynamics Corp N. Iordanova, Armstrong Service, Inc.W. R. Behr, C

36、onsultant G. McCoy, Washington State UniversityD. M. Bloom, Nalco Co. R. A. Papar, Hudson Technologies Co.C. R. Bozzuto, Consultant W. L. Wells, LyondellBasellS. Connor, Cleaver Brooks viCORRESPONDENCE WITH THE EA COMMITTEEGeneral. ASME Standards are developed and maintained with the intent to repre

37、sent the consensus of concerned interests. As such, users of this Standard may interact with the Committee by requesting interpretations, proposing revisions, and attending Committee meetings. Correspondence should be addressed to:Secretary, EA CommitteeThe American Society of Mechanical EngineersTh

38、ree Park AvenueNew York, NY 10016-5990http:/go.asme.org/InquiryProposing Revisions. Revisions are made periodically to the Standard to incorporate changes that appear necessary or desirable, as demonstrated by the experience gained from the application of the Standard. Approved revisions will be pub

39、lished periodically.The Committee welcomes proposals for revisions to this Standard. Such proposals should be as specifi c as possible, citing the paragraph number(s), the proposed wording, and a detailed description of the reasons for the proposal, including any pertinent documentation.Proposing a

40、Case. Cases may be issued for the purpose of providing alternative rules when justifi ed, to permit early implementation of an approved revision when the need is urgent, or to provide rules not covered by existing provi-sions. Cases are effective immediately upon ASME approval and shall be posted on

41、 the ASME Committee Web page.Requests for Cases shall provide a Statement of Need and Background Information. The request should identify the Standard, the paragraph, fi gure or table number(s), and be written as a Question and Reply in the same format as existing Cases. Requests for Cases should al

42、so indicate the applicable edition(s) of the Standard to which the proposed Case applies.Interpretations. Upon request, the EA Committee will render an interpretation of any requirement of the Standard. Interpretations can only be rendered in response to a written request sent to the Secretary of th

43、e EA Committee.The request for interpretation should be clear and unambiguous. It is further recommended that the inquirer submit his request in the following format:Subject: Cite the applicable paragraph number(s) and a concise description.Edition: Cite the applicable edition of the Standard for wh

44、ich the interpretation is being requested.Question: Phrase the question as a request for an interpretation of a specifi c requirement suitable for general understanding and use, not as a request for an approval of a proprietary design or situation. The inquirer may also include any plans or drawings

45、 that are necessary to explain the question; however, they should not contain proprietary names or information.Requests that are not in this format will be rewritten in this format by the Committee prior to being answered, which may inadvertently change the intent of the original request.ASME proced

46、ures provide for reconsideration of any interpretation when or if additional information that might affect an interpretation is available. Further, persons aggrieved by an interpretation may appeal to the cognizant ASME Committee. ASME does not “approve,” “certify,” “rate,” or “endorse” any item, co

47、nstruction, proprietary device, or activity.Attending Committee Meetings. The EA Committee holds meetings or telephone conferences, which are open to the public. Persons wishing to attend any meeting or telephone conference should contact the Secretary of the EA Standards Committee.ASME EA-320091ENE

48、RGY ASSESSMENT FOR STEAM SYSTEMS1 SCOPE AND INTRODUCTION1.1 ScopeThis Standard covers steam systems that are defi ned as a system containing steam generator(s) or other steam source(s), a steam distribution network and end-use equipment. Cogeneration and power generation compo-nents may also be elem

49、ents of the system (gas turbines, backpressure steam turbines, condensing steam turbines). If steam condensate is collected and returned, the con-densate return subsystem is a part of the steam system. This Standard sets the requirements for preparing for, conducting, and reporting the results of a steam system energy assessment (hereafter referenced as an “assess-ment”) that considers the entire system, from energy in-puts to the work performed as the result of these inputs. An assessment complying with this Standard need not address each individual system component or specifi