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IEC_TS_60079-32-1-2013.pdf

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1、 IEC/TS 60079-32-1 Edition 1.0 2013-08 TECHNICAL SPECIFICATION Explosive atmospheres Part 32-1:Electrostatic hazards,guidance IEC/TS 60079-32-1:2013(E)Copyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-27-2014 by James Madison.No further reproduction or di

2、stribution is permitted.Uncontrolled when printed.THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2013 IEC,Geneva,Switzerland All rights reserved.Unless otherwise specified,no part of this publication may be reproduced or utilized in any form or by any means,electronic or mechanical,including phot

3、ocopying and microfilm,without permission in writing from either IEC or IECs member National Committee in the country of the requester.If you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication,please contact the address below or your local

4、 IEC member National Committee for further information.IEC Central Office Tel.:+41 22 919 02 11 3,rue de Varemb Fax:+41 22 919 03 00 CH-1211 Geneva 20 infoiec.ch Switzerland www.iec.ch About the IEC The International Electrotechnical Commission(IEC)is the leading global organization that prepares an

5、d publishes International Standards for all electrical,electronic and related technologies.About IEC publications The technical content of IEC publications is kept under constant review by the IEC.Please make sure that you have the latest edition,a corrigenda or an amendment might have been publishe

6、d.Useful links:IEC publications search-www.iec.ch/searchpub The advanced search enables you to find IEC publications by a variety of criteria(reference number,text,technical committee,).It also gives information on projects,replaced and withdrawn publications.IEC Just Published-webstore.iec.ch/justp

7、ublished Stay up to date on all new IEC publications.Just Published details all new publications released.Available on-line and also once a month by email.Electropedia-www.electropedia.org The worlds leading online dictionary of electronic and electrical terms containing more than 30 000 terms and d

8、efinitions in English and French,with equivalent terms in additional languages.Also known as the International Electrotechnical Vocabulary(IEV)on-line.Customer Service Centre-webstore.iec.ch/csc If you wish to give us your feedback on this publication or need further assistance,please contact the Cu

9、stomer Service Centre:csciec.ch.Copyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-27-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.IEC/TS 60079-32-1 Edition 1.0 2013-08 TECHNICAL SPECIFICATION Explosi

10、ve atmospheres Part 32-1:Electrostatic hazards,guidance INTERNATIONAL ELECTROTECHNICAL COMMISSION XH ICS 29.260.20 PRICE CODE ISBN 978-2-8322-1055-0 Registered trademark of the International Electrotechnical Commission Warning!Make sure that you obtained this publication from an authorized distribut

11、or.Copyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-27-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.2 TS 60079-32-1 IEC:2013(E)CONTENTS FOREWORD.10 INTRODUCTION.12 1 Scope.13 2 Normative references.

12、13 3 Terms and definitions.16 4 Nomenclature.19 5 General.20 6 Static electricity in solid materials.21 6.1 General considerations.21 6.2 The use of conductive or dissipative materials in place of insulating ones.23 6.2.1 General considerations.23 6.2.2 Dissipative solid materials.23 6.2.3 Earthing

13、of conductive and dissipative items.24 6.3 Precautions required when using insulating solid materials.25 6.3.1 General.25 6.3.2 Restrictions on the size of chargeable insulating surfaces.26 6.3.3 Earthed metal meshes.27 6.3.4 Insulating coatings on earthed conductive surfaces.27 6.3.5 Conductive or

14、dissipative coatings on insulating materials.28 6.3.6 Static dissipative agents.29 6.3.7 Humidification.29 6.3.8 Ionisation/Charge Neutralisation.29 6.3.9 Methods to determine the incendivity of discharges.30 6.4 Conveyor belts and transmission belts.31 6.4.1 General.31 6.4.2 Conveyor belts.31 6.4.3

15、 Transmission belts.32 7 Static electricity in liquids.33 7.1 General considerations.33 7.1.1 Occurrence of flammable atmospheres.33 7.1.2 Ignition sensitivity and limitations to the scope of advice.34 7.1.3 Charging mechanisms.35 7.1.4 Charge accumulation and conductivity classifications.35 7.1.5 I

16、ncendive discharges produced during liquid handling operations.36 7.2 Summary of precautions against ignition hazards during liquid handling operations.37 7.2.1 Earthing and avoidance of isolated conductors.37 7.2.2 Restricting charge generation.37 7.2.3 Avoidance of a flammable atmosphere.38 7.2.4 Promoting charge dissipation.38 7.3 Tanks and Containers.38 7.3.1 General.38 7.3.2 Conductive tanks and containers.39 7.3.3 Tanks and containers made entirely of dissipative material.52 Copyrighted

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