1、BRITISH STANDARD Guide for procurement of power station equipment - Part 4-10: Boiler auxiliaries - Flue gas denitification (De-NOx) plant The European Standard EN 45510-4-101999 has the statuc of a British Standard ICs 13.040.40; 27.060.30; 27.100 NO COPYING WiTHOUT BSI PERMISSION EXCEPT AS PERMITT
2、ED BY COPYRIGHT LAW BS EN 45510-4-1O:ZOOO STDmBSI BS EN 45510-4-LO-ENGL 2000 W Lb24bb7 0824140 25b BS EN 45510-4-102000 been prepared under the direction of the Engineering Amd.No. Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 January 2000
3、 O BSI 01-2000 ISBN O 580 35362 1 National foreword Date Comments This British Standard is the Engiish language version of EN 45510-4-10:1999. The UK participation in its preparation was entrusted to Technical Committee E/-/20, Power engineering steering committee, which has the responsibility to: -
4、 aid enquirers to understand the text; - present to the responsible European committee any enquiries on the - monitor related international and European developments and promulgate interpretation, or proposals for change, and keep the UK interests informed them in the UK. A list of organizations rep
5、resented 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 BSI Standards Catalogue under the section entitled ?International Standards Correspon
6、dence Index?, or by using the ?Find? facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of
7、 itself confer immunity from legal obligations. Summary of pages This document comprises a fi-ont cover, an inside front cover, the EN title page, pages 2 to 25 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. EUROPEAN STANDARD NORME
8、EUROPENNE EUROPISCHE NORM EN 45510-4-10 October 1999 ICs English version Guide for procurement of power station equipment - Part 4-1 O: Boiler auxiliaries - Flue gas denitrification (De-NOx) plant Guide pour lacquisition dquipements destins aux centrales de production dlectricit - Partie 4-10: Auxil
9、iaires de chaudire - Installation de dnitrification des fumes (DNOx) Leitfaden fr die Beschaffung von Ausrstungen fr Krafiwerke - Teil 4-10: Nebenanlagen - Rauchgas-NOx- Minderunganlage (DeNOx) This European Standard was approved by CENKENELEC on 1 October 1999 CENICENELEC members are bound to compl
10、y with the CENICENELEC Internal Regulations which stipulate the conditions for giving thS European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references corcerning such national standards may be obtained on application to the Central Secre
11、tariat or to any CENICENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by trcnslation under the responsibility of a CENICENELEC member into its own language and notified to the Central Secretariat has the same std
12、us as the oficial versions. CENICENELEC members are the national standards bodies and national electrotechnical committees, respectively, of Austria, Belgum, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal,Spain, Sweden, S
13、witzerland and United Kingdom. CEN Central Secretariat: rue de Stassart, 36 8-1050 Brussels CENELEC CENELEC Central secretariat: rue de Stassart, 35 B-1050 Brussels O 1999 CENICENELEC All rights of exploitation in any form and by any means reserved worldwide for CEN national Members and for CENELEC
14、Members. Ref. No. EN 455104-10:1999 E Page 2 EN 4551 0-4-1 0:1999 Contents Page Foreword 4 1 2 3 3.1 3.2 3.3 4 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 5 6 7 7.1 7.2 7.3 7.4 7.5 7.6 7.7 8 8.1 8.2 9 9.1 9.2 9.3 9.4 9.5 9.6 10 10.1 10.2 10.3 10.4 10.5 10.6 11 11.1 11.2 11.3 11.4 11.5 11.6 Scope . 6 Normati
15、ve references 6 Definitions . 7 Organizational terms 7 Technical terms . 7 General terms . 9 Brief overall project description . 9 Role and organization of purchaser 9 Site location 9 Equipment task 10 Equipment to be purchased 10 Control and instrumentation . 10 Other interfaces . 11 Project progra
16、mme 11 Equipment identification systems . 11 Extent of supply . 11 Terminal points . 12 Operational requirements . - . 12 Manning levels . 12 Electrical supplies and other services . 10 Operating environment 12 Normal operation . 13 Operating hours . 13 Start-up and shut-down . 13 Abnormal condition
17、s 13 Further operational requirements . 14 Life expectancy 14 Design life 14 Components requiring periodic maintenance 14 Performance requirements . 14 Duty 14 Performance . 15 Equipment margins . 16 Availability 16 Further performance requirements . 16 Specific equipment features 16 Design justific
18、ation . 18 Material selection . 18 Safety . 18 Interchangeability . 18 Fabrication methods 18 Maintenance requirements 19 Planned maintenance 19 Levels of component redundancy . 16 Design and fabrication . 16 Personnel safety . 19 Requirements for access . 19 Lifting requirements 19 Test equipment .
19、 19 Special tools . 19 OBSI 01-2000 Page 3 EN 4551 0-4-1 O:? 999 11.7 11.8 12 12.1 12.2 13 13.1 13.2 13.3 14 14.1 14.2 15 15.1 15.2 15.3 15.4 16 16.1 16.2 16.3 17 17.1 17.2 17.3 17.4 17.5 Spare parts strategy . ._. . 19 Special precautions . . . 20 Technical documentation requirements . 20 Tender do
20、cumentation . 20 Contract documentation 20 Applicable legislation, regulations, standards and further requirements 20 Standards 20 Evaluation criteria 21 General 21 Technical criteria 21 Quality measures . 22 General 22 Legislation and regulations 20 Further requirements . 20 Approvals procedure 22
21、Inspection requirements ._ . 22 Non-conformity - 22 Site factors 22 Access . 22 Facilities . 22 Verification of specified performance 23 General 23 Works tests 23 Test during installation and commissioning 23 Technical conditions for trial run 24 Site specific requirements . . 23 Functional and perf
22、ormance tests . ._. 24 Bibliography 25 QBSI 01-2000 Page 4 EN 455104-10:1999 Fore word This European Standard has been prepared by Technical Committee CEN/CLC JTFPE, Joint Task Force Power Engineering, the Secretariat of which is held by BSI. This European Standard shall be given the status of a nat
23、ional standard, either by publication of an identical text or by endorsement, at the latest by April 2000, and conflicting national standards shall be withdrawn at the latest by April 2000. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following count
24、ries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. This standard takes the form of a recommendation and
25、 is therefore entitled a “Guide“. This Guide for procurement has been prepared under mandates given to CEN and CENELEC by the European Commission and the European Free Trade Association. This Guide for procurement is a part of a series of Guides mandated to cover the procurement of power station pla
26、nt and equipment in conformity with European Procurement Directives. The Guides are: EN 45570 Guide for procurement of power station equipment Part 1: Common Clauses Part 2- 7: Electrical equipment - Power transformers Part 2-2: Electrical equipment - Uninterruptible power supplies Part 2-3: Electri
27、cal equipment - Stationary batteries and chargers Part 2-4: Electrical equipment - High power static convertors Pari 2-5: Electrical equipment - Motors Pari 2-6: Electrical equipment - Generators Part 2-7: Electrical equipment - Switchgear and control gear Pari 2-8: Electrical equipment - Power cabl
28、es Part 2-9: Electrical equipment - Cabling systems Part 3- 1: Boilers - Water tube boilers Part 3-2: Boilers - Shell boilers Pari 3-3: Boilers - Boilers with fluidized bed firing Part 4-1: Boiler auxiliaries - Equipment for reduction of dust emissions Part 4-2: Boiler auxiliaries - Gas-air, steam-a
29、ir and gas-gas heaters Part 4-3: Boiler auxiliaries - Draught plant Part 4-4: Boiler auxilianes - Fuel preparation equipment Part 4-5: Boiler auxiliaries - Coal handling and bulk storage plant Part 4-6: Boiler auxiliaries - Flue gas desulfurization (De-SOJ plant Part 4-7: Boiler auxiliaries - Ash ha
30、ndling plant Part 4-8: Boiler auxiliaries - Dust handling plant Part 4-9: Boiler auxiliaries - Sootblowers Part 4-1 O: Boiler auxiliaries - Flue gas denitrification (De-NOJ plant Part 5-1: Turbines - Steam turbines Part 5-2: Turbines - Gas turbines Part 5-3: Turbines - Wind turbines Part 5-4: Turbin
31、es - Hydraulic turbines, storage pumps and pump-turbines Part 6- 1: Turbine auxiliaries - Deaerators Part 6-2: Turbine auxiliaries - Feedwater heaters Part 6-3: Turbine auxiliaries - Condenser plant Pari 6-4: Turbine auxiliaries - Pumps Part 6-5: Turbine auxiliaries - Dry cooling systems Part 6-6: T
32、urbine auxiliaries - Wet and wevdry cooling towers Part 6-7: Turbine auxiliaries - Moisture separator reheaters Part 6-8: Turbine auxiliaries - Cranes , OBSI 01-2000 STD*BSI BS EN 45510-4-1O-ENGL 2000 W Lb24bbS 0824145 838 = Page 5 EN 455104-10:1999 Part 6-9: Turbine auxiliaries - Cooling water syst
33、ems Part 7-1: Pipework and valves - High pressure piping systems Part 7-2: Pipework and valves - Boiler and high pressure piping valves Patt 8-1: Control and instrumentation EN 45510 part 1 contains those clauses common to all the above Guides giving the provisions of a non equipment specific nature
34、 for use in the procurement of power station plants. EN 4551 O is the responsibility of JTFPE. The so called “common clauses“, as appropriate, also appear in italics in the documents specific to particular equipment. In this Guide, words in bold type indicate that they have the meaning given in the
35、definitions, clause 3. In this Guide, words and sentences not in italics are specific to this Guide and refer to the particular equipment covered. OBSI 01-2000 Page 6 EN 4551 04-1 0:1999 i Scope This standard gives guidance on writing the technical specification for the procurement of processes and
36、equipment for the removal of nitrogen oxides from the flue gas of steam generating plant for use in electricity generating stations (power stations). This Guide for procurement is not applicable to equipment for use in the nuclear reactor plant area of nuclear power stations. Other possible applicat
37、ions of such equipment have not been considered in the preparation of this Guide. This Guide covers: - Selective Catalytic and Selective Non-Catalytic Reduction Systems (SCR and SNCR); - systems to meet specific flue gas nitrogen oxide discharge requirements; - systems applying different types of am
38、monia-based solutions as reagent; - systems applying urea or compounds containing NH radicals as a reagent. The equipment covered by this Guide is defined by its function rather than design type. Therefore, the guidance to the specification is stated in performance terms rather than being specified
39、by a detailed descripfion of the equipment to be supplied. This Guide indicates to potential purchasers how their specification should be prepared so that: - the equipment type and capacity interfaces correctly with other elements of the systems, particularly - predicted performance is achieved; - a
40、ncillary equipment is properly sized; - reliability, availability and safety requirements are achieved; - proper consideration is given to the evaluation process and the quality measures to be applied. the boiler plant; This Guide does not determine the type of specification (e.g. detailed, performa
41、nce, functional) or the extent of supply for any given contract which is normally decided on the basis of the purchasers project strategy. It does not cover; - any commercial, contractual or legal issues which are normally in separate parts of an enquiry; - any allocation of responsibilities which a
42、re determined by the contract. This Guide does not prescribe the arrangement of the documents in the enquiry. NOTE: As a comprehensive European environmental policy is still under preparation, this Guide does not address the environmental implications of the equipment. 2 Normative references This Gu
43、ide for procurement incorporates by dated or undated reference, provisions from other publications. These normative references are cited in the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these public
44、ations apply to this Guide only when incorporated in it by amendment or revision. For undated references, the latest edition of the publication referred to applies. EN IS0 9001 EN IS0 9002 IEC 60050- 19 1 Quality systems - Model for quality assurance in design, development, production, installation
45、and servicing (IS0 9001: 1994). Quality systems - Model for quality assurance in production, installation and servicing (IS0 9002:1994). International electrotechnical vocabulary - Chapter 191: Dependability and quality of service. OBSI 01-2000 - STD-BSI BS EN q55LO-4-LO-ENGL 2000 Lb24bb 082Lil47 bO
46、O H Page 7 EN 4551 0-4-1 0:1999 3 Definitions For the purposes of this Guide, the following definitions apply: 3. i Organizational terms 3.1.1 purchaser: Recipient of a product and/or a service provided by a supplier. 3.1.2 supplier: Person or organization that provides a product and/or a service to
47、 the purchaser. 3.1.3 specification: Document stating technical requirements of the purchaser. It may form part of an enquiry issued by a purchaser. 3.1.4 enquiry: Invitation to tender issued by a purchaser. It will normally include a specification together with the necessary contractual and commerc
48、ial conditions. 3.1.5 tender: Offer made by a tenderer in response to an enquiry. 3.1.6 tenderer: Person or organization submitting a tender for the equipment in response to the enquiry. 3. i. 7 site: Place to which the equipment is to be delivered or where work is to be done by the supplier, togeth
49、er with so much of the area surrounding as the supplier may, with the consent of the purchaser, use for the purposes of the contract. NOTE: Further definitions of useful organizational terms may be found in ENIS08402 (see Bibliography). 3.2 Technical terms 3.2.1 denitrification plant (or De-NO, plant): Equipment to remove nitrogen oxides (NO,) from the flue gas. This includes the equipment directly associated with the process and that providing a common service to several gas streams. 3.2.2 nitrogen oxides (NO,): Comprise the nitrogen oxides NO and NO2. The NOx
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