防爆电气基础知识.docxVIP

防爆电气基础知识

目录

一、防爆电气基础知识概述....................................3

1.1防爆电气定义.........................................4

1.2防爆电气的重要性.....................................4

1.3防爆电气的发展趋势...................................5

二、防爆电气分类............................................7

2.1按防爆原理分类.......................................8

2.1.1正压型防爆电气...................................9

2.1.2隔爆型防爆电气..................................10

2.1.3本质安全型防爆电气..............................12

2.1.4防爆充砂型电气..................................13

2.1.5防爆通风型电气..................................14

2.1.6防爆充油型电气..................................15

2.1.7防爆气体密封型电气..............................17

2.2按使用环境分类......................................18

2.2.1爆炸性气体环境..................................19

2.2.2爆炸性粉尘环境..................................20

2.2.3爆炸性蒸气环境..................................21

2.2.4爆炸性混合物环境................................22

三、防爆电气设计要求.......................................24

3.1设计原则............................................25

3.2设计标准与规范......................................26

3.3设计计算方法........................................27

四、防爆电气元件...........................................29

4.1防爆电动机..........................................30

4.2防爆变压器..........................................31

4.3防爆开关............................................33

4.4防爆继电器..........................................34

4.5防爆控制设备........................................35

4.6防爆电线电缆........................................36

五、防爆电气安装与维护.....................................37

5.1安装前的准备工作....................................38

5.2防爆电气安装要求....................................39

5.3防爆电气维护与保养..................................41

5.4故障处理与应急预案..................................42

六、防爆电气检验与认证.....................................43

6.1检验标准与方法......................................44

6.2认证流程与程序......................................45