[分享]氧气压缩过程中的火灾爆炸危险性

safe1860

[replyview] <p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 'Times New Roman';">2.2 2.3</span><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">氧气压缩过程中的火灾爆炸危险性<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 'Times New Roman';"></span><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">氧气压缩是将产品—氧气加压输送到用户或充入气瓶的工序<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">氧气压缩机的工作原理和空气压缩机基本一样。活塞式氧压机的起火<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">和爆炸事故容易发生在以下三个部位<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 'Times New Roman';">1</span><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">）气缸内，这类着火通常是爆炸性的。山于气缸内温度过高，使<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">活塞环、皮碗或密封件发生分解产生可燃气体与氧馄合而燃烧爆炸<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">与氧气接触的零部件去油不彻底，油脂带入气缸，与氧混合而燃烧爆<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">炸。当气缸内进入铁屑时出会因摩擦或摘击产生火花，促使爆炸事故<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">的发生。温度过高的原因有活塞环气阀泄漏；活塞环间隙过小；润<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">滑水及冷却水中断等等，其中尤以润滑水巾断影响最大<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 'Times New Roman';">2</span><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">）活塞杆填料函密封处，活塞杆有两道密封靠十宇头侧为油<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">封（刮油器），防止油窜入气缸：靠气缸侧为气封〔填料函密封），防<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">止缸内</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 'Times New Roman';">1t</span><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">气外泄。中间还有一个挡油环。由于装配不良，或者活</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 'Times New Roman';">M}F</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black;"><p></p></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">变形，使磨损加快，常常会造成油封漏油、气封漏气在一定温度下．<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">或活塞杆与填料盒盖严重摩擦产生火星时．就会燃烧爆炸．<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 'Times New Roman';">3</span><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">）管道或阀门处，多半发生在出口管道拐弯处和阀门后。主要是<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">因为铁锈在高速度氧气吹刷下与钢管发生摩擦而起火：再个原因就<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">足静电起火<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 'Times New Roman';">2. 2. 2. 1</span><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">液氧压送过程中的火灾爆炸危险性<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 'Times New Roman';"></span><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">液氧泵发生爆炸乎故，般有以下两种隋况；<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 'Times New Roman';">1</span><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">）泵体内爆炸，即在叶轮和泵壳处爆炸．这常常是由于泵内落<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">入铁屑，铝末、面粉及珠光砂粒等异物而引起的。此外，液氧泵轴承<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 'Times New Roman';"></span><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">润滑油缺少或不足，也会弓｛起爆炸<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 'Times New Roman';">2)</span><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">泵体外爆炸，即在密封吐半部和电机之间爆炸。爆炸原因有：<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 'Times New Roman';"></span><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">①有的泵中间体很短，预冷时泄漏出氧气，与离心式液氧泵轴承<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">润滑油充分结合一启动就爆炸<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 'Times New Roman';"></span><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">②预冷时因密封不严，泄漏的大量氧气在密封圈以上中闪体到电<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">机之间大量积存．并与油充分接触氧化而发生爆炸：同时由于泄漏跑<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">冷，把巾间的轴承部分冻住，用力盘车时也容易发生爆炸<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 'Times New Roman';"></span><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">③迷宫密封的间隙不合适预冷时泄氧跑冷，因冷缩关系．将轴<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">夹紧，开车时就会超负载，炸毁电机定子。<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 'Times New Roman';"></span><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">④运行中密封不好，液氧大量泄漏，且又未被发觉，结果与油接<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">触，发生爆炸口<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 'Times New Roman';"></span><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">⑤液氧泵中相对活动零件，后密封器径向迷宫的动环和静环均采<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">用</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 'Times New Roman';">2Cr13.</span><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">在钢对钢急速摩擦叶，极易产生火花。<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 'Times New Roman';"></span><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">⑥安装在露天的液氧泵，电机在长期停车后启动时，电机定子受<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 'Times New Roman';">49</span><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">而使其</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 'Times New Roman';">32.a</span><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">性能降低，当接通电</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 'Times New Roman';">NF</span><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">，定子和转子</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 'Times New Roman';">A 7</span><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">火花．或<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">者由于装配时相对转动的两个零件</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 'Times New Roman';">ibulnfRiP,</span><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">过小，启动前防冷后使其<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">间隙进一步缩小而发生摩擦：或者相对转动的同心度不好．使各处的<span lang="EN-US"><p></p></span></font></span></p><p style="WORD-BREAK: break-all; LINE-HEIGHT: 12pt;"><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">间隙不一致，造成相对转动等件接触魔擦而产十火花。<span lang="EN-US"><p></p></span></font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><p><font face="Times New Roman"></font></p></span></p>[/replyview]

mrb63

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lengxue20598

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peonutpedro

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wangpu86

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ZYJ1953

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