1、 IEC/TR 61831 Edition 2.0 2011-08 TECHNICAL REPORT On-line analyser systems Guide to design and installation IEC/TR 61831:2011(E)Copyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-28-2014 by James Madison.No further reproduction or distribution is permitte
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10、AQ or contact us:Email:csciec.ch Tel.:+41 22 919 02 11 Fax:+41 22 919 03 00 Copyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-28-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.IEC/TR 61831Edition 2.0 2
11、011-08TECHNICAL REPORT On-line analyser systems Guide to design and installation INTERNATIONAL ELECTROTECHNICAL COMMISSION XBICS 13.040;13.060;17.020 PRICE CODEISBN 978-2-88912-633-0 Registered trademark of the International Electrotechnical Commission Copyrighted material licensed to BR Demo by Tho
12、mson Reuters(Scientific),Inc.,downloaded on Nov-28-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.2 TR 61831 IEC:2011(E)CONTENTS FOREWORD.5 INTRODUCTION.7 1 Scope.8 2 Normative references.8 3 Terms and definitions.8 4 Remarks and considerations.9
13、 4.1 General remarks.9 4.2 Further considerations.9 4.3 Reliability.10 4.4 Design.10 4.5 Centralisation.10 4.6 Local mounting.10 4.7 Pre-assembled systems.10 5 Health,safety and environmental considerations.11 5.1 Overview.11 5.2 Prevention of explosions and fires.11 5.3 Prevention of toxic and asph
14、yxiant hazards.11 5.4 Radiation hazards.12 5.5 Safety facilities.12 5.6 Manual shut-down facilities.12 5.7 Noise.12 6 Housings.12 6.1 Overview.12 6.2 Selection of housing.13 6.2.1 Analyser case.13 6.2.2 Analyser cabinet.13 6.2.3 Analyser shelter.13 6.2.4 Analyser house.14 6.3 Area classification and
15、 toxic danger.14 6.3.1 Electrical area classification.14 6.3.2 Toxic and asphyxiate danger.14 6.4 Construction and mounting.14 6.4.1 General.14 6.4.2 Analyser housings.15 6.4.3 Analyser houses.15 6.4.4 Analyser shelters.15 6.5 Analyser housings with natural ventilation.16 6.5.1 General.16 6.5.2 Vent
16、ilation requirements.16 6.5.3 Heating requirements.16 6.5.4 Analyser shelters.17 6.5.5 Analyser cases.17 6.6 Analyser housings with forced ventilation.17 6.6.1 General.17 6.6.2 Ventilation requirements.17 6.6.3 Air intake system.17 Copyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-28-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.TR 61831 IEC:2011(E)3 6.6.4 Ventilation fan requirements.17 6.6.5