BS EN 13648-3-2002 低温容器-防超压保护设施 要求的排放量及尺寸.pdf
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1、BRITISH STANDARD BS EN 13648-3:2002 Cryogenic vessels Safety devices for protection against excessive pressure Part 3: Determination of required discharge Capacity and sizing The European Standard EN 13648-3:2002 has the status of a British Standard ICS 23.020.40 ? Copyright European Committee for S
2、tandardization Provided by IHS under license with CEN Not for ResaleNo reproduction or networking permitted without license from IHS -,-,- BS EN 13648-3:2002 This British Standard, having been prepared under the direction of the Engineering Sector Policy and Strategy Committee, was published under t
3、he authority of the Standards Policy and Strategy Committee on 6 December 2002 BSI 6 December 2002 ISBN 0 580 40934 1 National foreword This British Standard is the official English language version of EN 13648-3:2002. The UK participation in its preparation was entrusted to Technical Committee PVE/
4、18, Cryogenic vessels, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BS
5、I Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for
6、its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK inter
7、ests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 11 and a back cover. The BSI copyright date displayed in this document indicates when the
8、 document was last issued. Amendments issued since publication Amd. No. DateComments Copyright European Committee for Standardization Provided by IHS under license with CEN Not for ResaleNo reproduction or networking permitted without license from IHS -,-,- EUROPEAN STANDARD NORME EUROPENNE EUROPISC
9、HE NORM EN 13648-3 October 2002 ICS 23.020.40 English version Cryogenic vessels - Safety devices for protection against excessive pressure - Part 3: Determination of required discharge - Capacity and sizing Rcipients cryogniques - Dispositifs de protection contre les surpressions - Partie 3: Dtermin
10、ation du dbit vacuer - Capacit et dimensionnement Kryo-Behlter - Sicherheitseinrichtungen gegen Druckberschreitung - Teil 3: Ermittlung des erforderlichen Ausflusses - Ausflussmassenstrom und Auslegung This European Standard was approved by CEN on 19 August 2002. CEN members are bound to comply with
11、 the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Management Centre
12、or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the official versi
13、ons. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EU
14、ROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2002 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 13648-3:2002 E Copyright European Committee for Standardization Provid
15、ed by IHS under license with CEN Not for ResaleNo reproduction or networking permitted without license from IHS -,-,- EN 13648-3:2002 (E) 2 Contents Page Foreword3 1Scope.5 2Normative references 5 3Calculation of the total quantity of heat transferred per unit time from the hot wall (outer jacket) t
16、o the cold wall (inner vessel)5 3.1General.5 3.2For conditions other than fire .6 3.3Under fire conditions 7 4Calculation of the mass flow Qm (kg h-1) to be relieved by the safety devices 8 5Rule for the safety devices installation .9 6Sizing of safety devices.9 6.1Safety valves9 6.2Bursting disc.9
17、6.3Sizing of safety valves and bursting discs .9 Annex ZA (informative) Clauses of this European Standard addressing essential requirements or other provisions of EU Directives.10 Bibliography11 Copyright European Committee for Standardization Provided by IHS under license with CEN Not for ResaleNo
18、reproduction or networking permitted without license from IHS -,-,- ? EN 13648-3:2002 (E) 3 Foreword This document (EN 13648-3:2002) has been prepared by Technical Committee CEN/TC 268 “Cryogenic vessels“, the secretariat of which is held by AFNOR. This European Standard shall be given the status of
19、 a national standard, either by publication of an identical text or by endorsement, at the latest by April 2003, and conflicting national standards shall be withdrawn at the latest by April 2003. This document has been prepared under a mandate given to CEN by the European Commission and the European
20、 Free Trade Association, and supports essential requirements of EU Directive(s). For relationship with EU Directive(s), see informative annex ZA, which is an integral part of this document. EN 13648 consists of the following parts: EN 13648-1, Cryogenic vessels - Safety devices for protection agains
21、t excessive pressure - Part 1: Safety valves for cryogenic service. EN 13648-2, Cryogenic vessels - Safety devices for protection against excessive pressure - Part 2: Bursting discs safety devices for cryogenic service. EN 13648-3, Cryogenic vessels - Safety devices for protection against excessive
22、pressure - Part 3: Determination of required discharge - Capacity and sizing. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France,
23、Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Copyright European Committee for Standardization Provided by IHS under license with CEN Not for ResaleNo reproduction or networking permitted without license
24、 from IHS -,-,- ? EN 13648-3:2002 (E) 4 Introduction The capacity of each of the pressure relief devices is established by considering all of the probable conditions contributing to internal excess pressure. The applicable conditions are specified in the product standard of each type of cryogenic ve
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- BS EN 13648-3-2002 低温容器-防超压保护设施 要求的排放量及尺寸 13648 2002 低温 容器 防超压 保护 设施 要求 排放量 尺寸
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