防爆除尘原理介绍.ppt

4.1.2001 Presentation简介 Dust explosion protection for filters – methods, requirements and mistakes 过滤器粉尘防爆保护-方法，要求及误区 Program程序 Dust Explosion Protection – Reasons 粉尘防爆保护-原因 Dust Explosion Protection – Legislation 粉尘防爆保护-法规 Dust Explosion Protection – Methods 粉尘防爆保护-方法 Dust Explosion Protection – Examples 粉尘防爆保护-举例 Questions and Answers 问题与答案 Wheat Silo – Kansas, USA, 8.6.98美国小麦仓储，98年6月8日 Wheat Silo – Kansas, USA, 8.6.98 Power Station – Otrokovice, CZ, 9.9.03发电站，奥特罗科维采 （捷克共和国的一个小镇），03年9月9日 Power Station – Otrokovice, CZ, 9.9.03 Wood factory – Slovakia, 28.2.08木加工厂，斯洛伐克 08年2月28日 Wood factory – Slovakia, 28.2.08 Sugar Plant – Georgia, USA 8.2.08糖加工厂-美国乔治亚州，08年2月3日 Sugar Plant – Georgia, USA 8.2.08 Dust Explosion Protection – Reasons粉尘爆炸保护-原因 Legislation – key ATEX directives法规-关键的ATEX指令 European directive 99/92/EC (ATEX 137) 欧洲指令标准99/92/EC（ATEX 137） The goal is to ensure the same minimal safety level for employees across the EU members 目标是为了保证欧盟成员国的雇员相同的最低安全水平 Defines requirements for employers 定义雇主要求 They must improve health and safety protection of workers 提高工人的健康和安全保护 EPD (risk assessment, zone classification, prevention and protection measures, in written form) EPD（以书面形式定义风险预测，区域分类，预防及保护措施） EU Standards for Protective Systems保护系统的欧盟标准 ATEX 100 is required since 7/2003 There were no EU standards at that time 从2003年7月开始使用ATEX100，当时没有欧盟标准 EN 14797 for venting (membranes) is valid since 2006 EN 14373 for suppression is valid since 2005 EN for isolation is not valid yet (prEN 15089) What is the consequence? 结果是什么？ Certification according to ATEX is required since 2003 There were no NEW standards, so the certification was made according to OLD standards but producers have got the ATEX certificates As the EC certificates have had no time limit in validity the protective systems can be applied until the manufacturer changes the design What is new in EU standards? 欧盟新标准？ Efficiency tests Many time and money cons