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    DIN EN 1710-2008 Equipment and components intended for use in potentially explosive atmospheres in underground mines(includes Amendment A1 2008) English version of DIN EN 1710 2008.pdf

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    DIN EN 1710-2008 Equipment and components intended for use in potentially explosive atmospheres in underground mines(includes Amendment A1 2008) English version of DIN EN 1710 2008.pdf

    1、August 2008DEUTSCHE NORM English price group 17No part of this standard may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 73.100.30!$QNN“1464343w

    2、ww.din.deDDIN EN 1710Equipment and components intended for use in potentially explosiveatmospheres in underground mines (includes Amendment A1:2008)English version of DIN EN 1710:2008-08Gerte und Komponenten fr den Einsatz in schlagwettergefhrdeten Bereichen vonuntertgigen Bergwerken (enthlt nderung

    3、 A1:2008)Englische Fassung DIN EN 1710:2008-08SupersedesDIN EN 1710:2006-01www.beuth.deDocument comprises 45 pagesDIN EN 1710:2008-08 2 Start of validity This standard is valid from 01 August 2008. National foreword This standard includes safety requirements. This standard has been prepared by Techn

    4、ical Committee CEN/TC 305 “Potentially explosive atmos-pheres Explosion prevention and protection” (Secretariat: DIN, Germany), Working Group 5 “Equipment and protective systems for mining”. The responsible German body involved in its preparation was the Normenausschuss Bergbau (Mining Standards Com

    5、mittee), Technical Committee Explosionsschutz. Representatives of manufacturers and users of equipment and components, and of the responsible authorities contributed to this standard. The first draft Standard E DIN EN 1710:1995-02 was prepared by CEN/TC 196 “Machines for underground mines Safety” un

    6、der a EU Machinery Directive mandate. CEN/TC 196 was also given the task of preparing a standard on construction equipment intended for use in potentially explosive atmospheres in underground mines on behalf of CEN/TC 151 “Construction equipment and building material machines Safety”. The present “c

    7、onversion standard”, EN 1710, is the result. In the meantime, European Directive 94/9/EC (the so-called ATEX Directive) was issued, specifying further requirements relating to explosion protection. So as not to cause further delay to the preparation of its C-Standards, CEN/TC 196 decided to take exp

    8、losion protection out of all of its C-Standards and deal with this aspect in a single standard, EN 1710 in its revised form. Since standards implementing the ATEX Directive are developed by CEN/TC 305, the task of preparing EN 1710 was delegated to CEN/TC 305, with the participation of experts from

    9、CEN/TC 196. Based on Article 95 of the EC Treaty, Directive 94/9/EC of the European Parliament and the Council of 23 March 1994 on the approximation of the laws of the Member States concerning equipment and protective systems intended for use in potentially explosive atmospheres regulates explosion

    10、protection in underground and above ground mining and, on expiry of the transition period of 01.07.2003, replaced the individual directives that had been hitherto valid. Amendment of the European Machinery Directive has made it necessary to review the previously valid standard, EN 1710:2005, in term

    11、s of the essential requirements of the new European Machinery Directive, 2006/42/EC. This standard concretizes the basic requirements set out in Annex I of the new EU Machinery Directive 2006/42/EC which becomes applicable on 29 December 2009, relating to machinery to be placed on the EEA market, wi

    12、th the intent of simplifying the means of proving conformity with such requirements. Once this standard is designated a harmonized standard in the Official Journal of the European Union, a manufacturer applying this standard may assume compliance with the requirements of the new Machinery Directive

    13、2006/42/EC (the so-called “presumption of conformity”). DIN EN 1710:2008-08 3 Amendments This standard differs from DIN EN 1710:2006-01 as follows: a) Amendment A1:2008 has been incorporated, i.e. Annex ZC (informative) “Relationship between this European Standard and the Essential Requirements of E

    14、U Directive 2006/42/EC” has been added. b) The standard has been brought in line with the amended Machinery Directive 2006/42/EC. Previous editions DIN EN 1710: 2006-01 DIN EN 1710:2008-08 4 This page is intentionally blank EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 1710:2005+A1 April 2008

    15、 ICS 73.100.30 Supersedes EN 1710:2005 English Version Equipment and components intended for use in potentially explosive atmospheres in underground mines Appareils et composants destins tre utiliss dans les mines souterraines grisouteuses Gerte und Komponenten fr den Einsatz in schlagwettergefhrdet

    16、en Bereichen von untertgigen Bergwerken This European Standard was approved by CEN on 26 September 2005 and includes Amendment 1 approved by CEN on 18 March 2008. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standar

    17、d the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN Management Centre or to any CEN member. This European Standard exists in three official versions (English, French,

    18、German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Cze

    19、ch Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUR

    20、OPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2008 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1710:2005+A1:2008: EEN 1710:2005+A1:2008 (E) 2 Contents Page Foreword4

    21、 Introduction .5 1 Scope 6 2 Normative references 6 3 Terms and definitions .8 4 Requirements for equipment (machines) and components8 4.1 General8 4.2 Non-electrical equipment and components9 4.3 Electrical equipment and components9 4.3.1 General9 4.3.2 Electrical equipment protection.10 4.3.3 Over

    22、current protection10 4.3.4 Earth-fault protection 11 4.3.5 Mechanical protection of live parts11 4.3.6 Electric cables that are part of the equipment11 5 Additional requirements for specific equipment and components12 5.1 Cutting and stripping equipment .12 5.1.1 General12 5.1.2 Machines with cuttin

    23、g picks .12 5.1.3 Stripping machines13 5.2 Rope haulages for level and inclined transport .13 5.3 Fans.13 5.3.1 Ventilating fans for use underground .13 5.3.2 Other fans .15 5.4 Diesel engines16 5.5 Air compressors 16 5.6 Drilling equipment and components .16 5.7 Brakes .16 5.8 Traction batteries, s

    24、tarter batteries and vehicle lighting batteries 17 5.9 Optical fibres used on machines and electromagnetic radiation from components on machines 17 6 Fire protection17 6.1 General17 6.2 Non-metallic materials 18 6.3 Internal combustion engines fitted to machines18 6.4 Hydraulic and pneumatic equipme

    25、nt.18 6.5 Additional requirements for cable-reeled machines18 6.6 Fire prevention on electric cables that are part of the machine .19 6.7 Conveyor belting19 7 Information for use 19 7.1 Signals and warning notices 19 7.2 User instructions .19 7.2.1 General19 7.2.2 Information on use.20 7.2.3 Informa

    26、tion on maintenance and repair 20 7.3 Marking .20 DIN EN 1710:2008-08 EN 1710:2005+A1:2008 (E) 3 Annex A (informative) Example of an ignition hazard assessment for a conveyor belt intended for use in a coal mine21 A.1 General .21 A.2 Category and intended use of the equipment 21 A.3 Construction/des

    27、cription of the equipment21 A.4 Assessment .22 Annex B (informative) Example of an ignition hazard assessment for a shearer loader intended for use in a potentially explosive atmosphere of a coal mine 26 B.1 General .26 B.2 Category and intended use of equipment.26 B.3 Construction/description of th

    28、e equipment with regard to ignition protection27 B.4 Ignition control and monitoring system27 B.5 Compliance with the basic methodology and requirements in EN 13463-128 B.6 Ignition hazard assessment of the electrical parts of the equipment28 B.7 Ignition hazard assessment of non-electrical ignition

    29、 sources .28 B.8 Equipment marking .28 Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 94/9/EC35 Annex ZB (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 98/37/EC38 Annex ZC (in

    30、formative) !Relationship between this European Standard and the Essential Requirements of EU Directive 2006/42/EC39 Bibliography40 DIN EN 1710:2008-08 EN 1710:2005+A1:2008 (E) 4 Foreword This European Standard (EN 1710:2005+A1:2008) has been prepared by Technical Committee CEN/TC 305 “Potentially ex

    31、plosive atmospheres - Explosion prevention and protection”, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by October 2008, and conflicting national standard

    32、s shall be withdrawn at the latest by October 2008. This document includes Amendment 1, approved by CEN on 2008-03-18. This document supersedes EN 1710:2005. The start and finish of text introduced or altered by amendment is indicated in the text by tags ! “. This European Standard has been prepared

    33、 under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). !For relationship with EU Directive(s), see informative Annexes ZA, ZB and ZC which are integral parts of this document.“ According to the CEN/CEN

    34、ELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxem

    35、bourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. DIN EN 1710:2008-08 EN 1710:2005+A1:2008 (E) 5 Introduction This European Standard specifies requirements for the constructional features of equipment and components that

    36、may be an individual item or form an assembly, to enable them to be used in mines, or parts of mines, susceptible to explosive atmospheres of firedamp and/or combustible coal dust. Most of the electrical equipment used on mining machinery is certified as an individual item of equipment e.g. the moto

    37、r, switchgear etc., and meets its own marking requirements. This Notified Body Certification, however, does not deal with the interconnection of these items of equipment by cables or the machine electrical power system as an entity. In order to comply with 1.6.4 of the Essential Safety Requirements

    38、of the ATEX Directive (94/9/EC), the equipment and components including their interconnections should be assessed, from an ignition point of view, by the manufacturer. Both non-electrical equipment and the interconnection of electrical/non-electrical equipment require an ignition hazard risk assessm

    39、ent to satisfy the Essential Health and Safety requirements of the ATEX Directive and be put in the appropriate declaration of conformity document. Therefore, it is necessary that not just the equipment, but all its parts, is examined by the manufacturer according to a formally documented hazard ass

    40、essment that establishes and lists all the possible ignition sources of the equipment including the cables and electrical supply system. The documentation shall list the measures that shall be introduced to prevent possible ignition sources becoming effective. The need for this European Standard ari

    41、ses because of major operational differences between underground mining operations and those in other industries working with, or in, potentially explosive atmospheres. Examples of these differences are: the product being won from the underground strata may be combustible and continually releases fi

    42、redamp during the winning process; the ignitability of the atmosphere around equipment and components usually depends upon the amount of dilution offered by an active ventilating system; the atmosphere in the general body of mine air in which machinery is working may change from one that is potentia

    43、lly explosive to one that is explosive (for example, during an outburst of firedamp); persons working in the mine are usually situated within the potentially explosive atmosphere; there is a need to monitor constantly the mine atmosphere at strategic places to ensure that power can be disconnected f

    44、rom all equipment except that which is suitable for use in an explosive atmosphere; in gassy coal mines, an explosion of firedamp at a machine can raise a combustible dust cloud that exacerbates the explosion; some mining machinery, especially that associated with winning the product, contains cutti

    45、ng devices and drilling devices that are intended to cut into the combustible product as part of their normal operation. This introduces an ignition risk from frictional heating or frictional sparking from contact with strata containing high concentrations of quartz or iron pyrites; long roadways in

    46、 coal mines are equipped with mineral conveying systems carrying a product that has a potential for raising an explosive dust cloud. To decide which equipment or its component parts should merit inclusion in this European Standard, ignition data has been examined based on French, German and UK exper

    47、ience. DIN EN 1710:2008-08 EN 1710:2005+A1:2008 (E) 6 When drafting this European Standard, it has been assumed that equipment and components are: designed in accordance with good engineering practice, taking account of expected shocks, vibrations and failure modes; of sound mechanical and electrica

    48、l construction; made of materials with adequate strength and of suitable quality; free from defects and are kept in good repair and working order, e.g. so that the required dimensions remain within permissible tolerance despite wear. 1 Scope This European Standard specifies the explosion protection

    49、requirements for the construction and marking of equipment that may be an individual item or form an assembly. This includes machinery and components placed on the market by a single supplier for use in mines susceptible to explosive atmospheres of firedamp and/or combustible dust (at atmospheric conditions as defined in EN 1127-2). NOTE 1 This European Standard deals only with the ignition protection of mining machinery and manufacturers will need to take account of all other relevant EU Directives relating to the construction of


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