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IEC_TS_60079-32-1-2017.pdf

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1、 IEC TS 60079-32-1 Edition 1.1 2017-03 CONSOLIDATED VERSION Explosiv e atmospheres Part 32-1:Electrostatic hazards,guidance IEC T S 60079-32-1:2013-08+AMD1:2017-03 CSV(en)colourinside THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2017 IEC,Geneva,Switzerland All rights reserved.Unless otherwise s

2、pecified,no part of this publication may be reproduced or utilized in any form or by any means,electronic or mechanical,including photocopying 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

3、 IEC copyright or have an enquiry about obtaining additional rights to this publication,please contact the address below or your local 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 Swit

4、zerland www.iec.ch About the IEC The International Electrotechnical Commission(IEC)is the leading global organization that prepares and publishes International Standards for all electrical,electronic and related technologies.About IEC publications The technical content of IEC publications is kept un

5、der constant review by the IEC.Please make sure that you have the latest edition,a corrigenda or an amendment might have been published.IEC Catalogue-webstore.iec.ch/catalogue The stand-alone applica tion for consulting the entire bibliogr aphical informa tion on IEC International Standar ds,Technic

6、al Specifica tions,Technical Reports and other documents.Av ailable for PC,Mac OS,Android Tablets and iPad.IEC publications search-www.iec.ch/searchpub The adv anced sear ch enables to find IEC publications by a var iety of cr iter ia(refer ence number,text,technica l committee,).It also gives infor

7、 ma tion on pr ojects,replaced and w ithdraw n publications.IEC Just Published-webstore.iec.ch/justpublished Stay up to da te on all new IEC publications.Just Published details all new publica tions released.Av ailable online and also once a month by email.Electropedia-www.electropedia.org The w or

8、lds leading online dictionary of electronic and electrical terms containing 20 000 terms and definitions in English and Fr ench,w ith equiv alent terms in 16 additional languages.Also know n as the Inter national Electr otechnical Vocabulary(IEV)online.IEC Glossary-std.iec.ch/glossary 65 000 electro

9、technical terminology entries in English and Fr ench extracted fr om the Terms and Definitions clause of IEC publica tions issued since 2002.Some entr ies hav e been collected from ear lier publications of IEC TC 37,77,86 and CISPR.IEC Customer Serv ice Centre-webstore.iec.ch/csc If you w ish to giv

10、 e us your feedback on this publication or need fur ther assistance,plea se contact the Customer Ser v ice Centre:csciec.ch.IEC TS 60079-32-1 Edition 1.1 2017-03 CONSOLIDATED VERSION Explosive atmospheres Part 32-1:Electrostatic hazards,guidance INT ERNAT IONAL ELECT ROT ECHNICAL COMMISSION ICS 29.2

11、60.20 ISBN 978-2-8322-4121-9 Registered t rademark of the Internat ional Electrotechnica l Commission Warning!Mak e sure that you obtained this publication from an authorized distributor.colourinside IEC TS 60079-32-1 Edition 1.1 2017-03 REDLINE VERSION Explosiv e atmospheres Part 32-1:Electrostatic

12、 hazards,guidance IEC T S 60079-32-1:2013-08+AMD1:2017-03 CSV(en)colourinside 2 IEC TS 60079-32-1:2013+AMD1:2017 CSV IEC 2017 CONTENTS FOREWORD.11 INTRODUCTION.13 1 Scope.14 2 Normative references.14 3 Terms and definitions.17 4 Nomenclature.20 5 General.21 6 Static electricity in solid materials.22

13、 6.1 General considerations.22 6.2 The use of conductive or dissipative materials in place of insulating ones.24 6.2.1 General considerations.24 6.2.2 Dissipative solid materials.24 6.2.3 Earthing of conductive and dissipative items.25 6.3 Precautions required when using insulating solid materials.2

14、6 6.3.1 General.26 6.3.2 Restrictions on the size of chargeable insulating surfaces.27 6.3.3 Earthed metal meshes.28 6.3.4 Insulating coatings on earthed conductive surfaces.28 6.3.5 Conductive or dissipative coatings on insulating materials.29 6.3.6 Static dissipative agents.30 6.3.7 Humidification

15、.30 6.3.8 Ionisation/Charge Neutralisation.30 6.3.9 Methods to determine the incendivity of discharges.31 6.4 Conveyor belts and transmission belts.32 6.4.1 General.32 6.4.2 Conveyor belts.32 6.4.3 Transmission belts.33 7 Static electricity in liquids.34 7.1 General considerations.34 7.1.1 Occurrenc

16、e of flammable atmospheres.34 7.1.2 Ignition sensitivity and limitations to the scope of advice.35 7.1.3 Charging mechanisms.36 7.1.4 Charge accumulation and conductivity classifications.36 7.1.5 Incendive discharges produced during liquid handling operations.37 7.2 Summary of precautions against ignition hazards during liquid handling operations.38 7.2.1 Earthing and avoidance of isolated conductors.38 7.2.2 Restricting charge generation.38 7.2.3 Avoidance of a flammable atmosphere.39 7.2.4 Pro

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