
GB/T 3836.12-2019/ISO/IEC 80079-20-2:2016 代替 GB/T 12476.8—2010.GB/T 12476.9—2010,GB/T 12476.10—2010
爆炸性环境 第12部分:可燃性粉尘物质特性试验方法
Explosive atmospheres— Part 12: Material characteristics for combustible dusts—Test methods (ISO/IEC 80079-20-2 : 2016«Explosive atmospheres— Part 20-2: Material characteristics—Combustible dusts test methods»IDT)
2019-12-31 发布
2020-07-01 实施
前言..........................................1
2規范性引用文件....................................1
3术语和定义......................................1
4粉尘样品要求.....................................2
4.1试验样品的接收.................................2
4.2试验样品特性说明................................2
4.3试验样品制备 .................................2
4.4试验条件....................................3
5测定可燃性粉尘和可燃性飞紫..............................3
5.1试验顺序....................................3
5.2测定物质是否是可燃性粉尘或可燃性飞絮的试验...................3
6测定可燃性粉尘或可燃性飞絮特性的程序 ........................4
7測定物质是否是可懲性盼尘或可燃性飞絮的试验方法 ...................7
7.1改进的哈特曼管.................................7
7.2 20 L 球.................................8
7.3对少斌试验物质的替代试验方法 .........................9
8测定可燃性粉尘特性的试验方法 ............................9
8.1的尘云MIT ................................ 9
8.2粉尘层MIT试脸...............................11
8.3测定粉尘/空气混合物最小点燃能量的方法....................13
8.4 电阻率试验.................................15
9试验报告......................................17
附录A (规范性附录)热金属板表面温度分布测量.................... 18
附录 B (资料性附录)Godbert-Greenwald 炉(GG).......... 19
附录C (资料性附录)火花发生系统示例...........................20
附录D (规范性附录)垂直管(改进的哈特曼管)设备.....................25
附录E(资料性附录)20 1,球..............................26
附录F (资料性附录)BAM炉 ..............................28
附录G (资料性附录)粉尘爆炸特性数据...........................29
附录H (资料性附录)1 容器 ..............................30
参考文献..........................................36