GB/T 28574-2012 English PDF

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GB/T 28574-2012: Petroleum, petrochemical and natural gas industries steam turbines -- Special-purpose applications
Status: Valid

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Basic data

Standard ID: GB/T 28574-2012 (GB/T28574-2012)
Description (Translated English): Petroleum, petrochemical and natural gas industries steam turbines -- Special-purpose applications
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K54
Classification of International Standard: 27.040
Word Count Estimation: 100,172
Quoted Standard: GB/T 193; GB/T 196; GB/T 197; GB/T 2516; GB 3836.1; GB 3836.11; GB 3836.12; GB 3836.13; GB 3836.14; GB 3836.15; GB 3836.16; GB 3836.17; GB 3836.18; GB 3836.19; GB 3836.2; GB 3836.20; GB 3836.3; GB 3836.4; GB 3836.5; GB 3836.6; GB 3836.7; GB 3836.8; GB 383
Adopted Standard: ISO 10437-2003, MOD
Regulation (derived from): National Standards Bulletin No. 13 of 2012
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the special purpose steam turbine design, materials, installation, inspection, testing and preparation for shipment requirements. This standard also relates to lubricating oil systems, instrumentation, control systems and auxiliary

GB/T 28574-2012: Petroleum, petrochemical and natural gas industries steam turbines -- Special-purpose applications

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS27.040 K54 National Standards of People's Republic of China Petroleum, petrochemical and natural gas industries Special Purpose Turbine Petroleum, petrochemicalandnaturalgasindustriessteamturbines- (ISO 10437.2003, MOD) Issued on. 2012-11-01 2012-06-29 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Introduction Ⅴ Introduction Ⅵ 1 Scope 1 2 Normative references 1 3 Terms and definitions 3 4 size 7 5 Legal Requirements 7 6 Host Design 7 6.1 General 7 6.2 Nameplate and turn arrows 9 7 cylinder 10 7.1 pressure cylinder 10 7.2 cylinder interface 11 7.3 Internal stationary member 12 7.4 external forces and torques 12 8 rotating member 13 8.1 General 13 13 8.2 Spindle 8.3 blade 13 8.4 speed sensor 14 9 14 rotor dynamics 9.1 General 14 9.2 transverse vibration analysis 14 9.3 rotor unbalance response verification test 19 9.4 Additional tests 20 9.5 Torsional Vibration Analysis 20 9.6 vibration and balance 21 10 bearings, bearing and shaft seal 22 10.1 radial bearing 22 10.2 thrust bearing and thrust plate 22 10.3 bearing 23 23 10.4 Ground 10.5 shaft seal 23 11 Materials 24 11.1 General 24 25 11.2 Casting 11.3 Welding 25 12 controllers and measuring devices 26 12.1 General 26 12.2 Regulation System 26 12.3 overspeed shutdown system 28 12.4 Other alarm and shutdown systems 30 12.5 dashboard and control panel 31 32 12.6 Display instrument 13 Electrical System 32 Pipes and accessories 14 32 14.1 General 32 33 14.2 Oil Pipeline 14.3 meter pipe 33 15 auxiliary device 33 15.1 Coupling and shroud 33 15.2 gears 33 15.3 mounting plate 33 15.4 valve 35 15.5 lubrication and control oil system 35 15.6 vapor seal vacuum system 36 15.7 insulating layer and the outer cover 36 15.8 car 36 37 15.9 Special tools 16 inspection, testing and preparation for shipment 37 16.1 General 37 37 16.2 Inspection 16.3 Test 39 42 16.4 ready for shipment 17 43 supplier information 17.1 General 43 17.2 quotations 44 Contract Information 45 17.3 Appendix A (normative) Normative references degree of consistency of 47 files of documents and files between international Annex B (informative) This standard and ISO 10437. structural changes 2003 (E) compared to the situation 49 Annex C (informative) This standard and ISO 10437.2003 (E) 50 technical differences and their causes Annex D (informative) Turbine term 52 Annex E (informative) Typical data table 54 Annex F (normative) to determine the residual unbalance of step 65 F.1 Scope of 65 F.2 maximum allowable residual unbalance 65 F.3 residual imbalance inspection 65 Annex G (informative) vapor seal and leakage system 71 Appendix H (informative) alarm and shutdown systems 73 H.1 arrangement 173 H.2 arrangement 273 H.3 arrangement 373 Annex I (normative) coupling guard 74 I.1 Introduction 74 General requirements for all I.2 shroud 74 I.3 continuously lubricated coupling guard 74 I.4 flexible diaphragm coupling guard 74 Appendix J (informative) Figure 76 basis Annex K (informative) inspectors use checklists 80 Annex L (informative) Typical test member 82 Annex M (informative) supply-side drawings and information requirements 83 M.1 supplier drawings and information requirements Table 83 Cases M.2 Description 86 References 92 Figure 1 undamped critical speed 16 Figure 2 Typical modes 17 Figure 3 rotor response curve 18 4 liters of turbine speed curve 27 Figure D.1 typical impulse turbine terminology 52 Figure D.2 typical reaction turbine 53 terms Figure F.1 residual unbalance job table 67 Figure F.2 residual imbalance calculation example 69 A typical steam seal and drain system Figure G.1 vapor condensing steam turbine 71 Figure G.2 typical steam seal back pressure turbine and the steam leakage system of FIG. 72 Figure J.1 typical installation floor layout (with the sub-chassis backplane) 76 Figure J.2 typical installation floor layout (with the sub-chassis chassis) 77 Figure J.3 typical installation floor layout (without auxiliary chassis chassis) 78 Figure J.4 typical installation floor layout (without auxiliary chassis backplane) 79 Table 1 cooling water system design specifications and specifications 9 Table 2 10 casting factor Table 3 Welding requirements 26 Table 4 Material test 38 Table A.1 Normative References degree of consistency of 47 documents and files between international instruments Table B.1 of this standard and ISO 10437.2003 (E) to Chapter 49 case control Article ID Table C.1 of this standard and ISO 10437.2003 (E) 50 technical differences and their causes Table K.1 inspectors use checklists 80 Table L.1 82 member test

Foreword

GB/T 28574 "petroleum, petrochemical and natural gas industries Turbine special purpose" and GB/T 28573 "petroleum, petrochemical and natural gas workers General purpose turbine industry "together constitute the petroleum, petrochemical and natural gas industries steam turbine product standards. This standard rule according to GB/T 1.1-2009 given draft. This standard uses redrafted law revision adopted ISO 10437.2003 "Petroleum, petrochemical and natural gas industries special purpose steam turbine." This standard and ISO 10437. compared to 2003 in the structure added three informative appendix (Appendix A, Appendix B, Appendix C). This standard and ISO 10437.2003 technical differences are as follows. --- Situation on normative references, this standard to make appropriate adjustments to suit our technical conditions, reflected in the adjustment of the focus Chapter 2, "Normative references", the degree of consistency between the documents and international instruments Appendix A. specific adjustments as follows. ● with GB 3836 (all parts) in place of IEC 60079 (all parts); ● with the GB/T 4772 (all parts) in place of IEC 60072 (all parts); ● with the GB/T 7306 (all parts) in place of ISO 7-1; ● with the GB/T 8117 (all parts) in place of IEC 60953 (all parts); ● with the GB/T 17241 (all parts) in place of ISO 7005-2. GB/T 9144 common thread preferred series (GB/T 9144-2003, ISO 262.1998, MOD) GB/T 9145 common thread moderate accuracy, preferably series limit size (GB/T 9145-2003, ISO 965-2.1998, MOD) GB/T 9239.1 mechanical vibration steady state (rigid) rotor balance quality requirements - Part 1. Specification and balance tolerance test (GB/T 9239.1-2006, ISO 1940-1.2003, IDT) GB/T 10894 separate mechanical noise test method (GB/T 10894-2004, ISO 3744.1994, NEQ) GB 11120 turbine oil GB/T 12145 generating unit and steam power equipment vapor quality GB/T 14383 forged socket welding and threaded fittings GB/T 15169 steel welders - Fusion welding skills assessment GB/T 16908 Mechanical vibration Shaft and fitment key balance guidelines (GB/T 16908-1997, idtISO 8821. 1989) GB/T 17241 (all parts) cast iron pipe flanges (ISO 7005-2) ......

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