液氨卸车入罐的安全操作规程
作者:jjh-chf 日期:2010-12-2 15:52:00

液氨卸车入罐的安全操作规程

 

一、本岗位作业存在的主要风险:氨可燃有毒,若设备、管道、阀门泄漏或操作失误导致氨泄漏,存在中毒风险;若泄漏物遇火源,有引起爆炸的危险。因此,本岗位作业的安全防范重点是防火防爆防中毒。

二、卸液氨前的准备工作: 

1、检查各管道有无泄漏现象存在。

2、检查喷淋水是否畅通。

3、检查氨泵油位,并打开控制柜的送电开关。

4、将防毒面具带至作业现场,检查确认其完好有效。

5、作业区设置警戒线。

三、卸氨工作步骤:

1、将卸氨合管的气相和液相与槽车连接好,打开气氨和液氨的管道阀门。

2、开启氨泵的进、出口阀门,关闭进入中间储罐的气氨阀门,

3、启动氨泵开始卸氨。

四、在卸氨过程中的注意事项:

1、卸车过程液氨罐车必须熄火,驾驶员原地休息待令,做好应急准备。

2、作业区30米范围内严禁烟火,车辆严禁通行。

3、注意各管道和阀门有无泄漏。如发生泄漏应先在保护好自身安全的情况下先关闭氨泵,停止卸氨;然后开启消防水对已泄漏的液氨进行稀释,最后将稀释后的氨水排入应急事故中和池。

4、密切注意储罐压力,储罐压力不可超过1.9Mpa

5、注意氨泵在运行中有无异常响动,并密切注意储罐液位,待液位达到2.3M时应停止卸氨。

五、卸氨结束后的工作:

1、关闭气氨泵,并切断电源。

2、关闭进、出气氨泵阀门,并排尽气氨泵的窝存压力。

3、关闭气氨和液氨联接槽车的管道阀门。

4、打开气氨和液氨进入中和池的泄压阀,同时要打开泄氨器上的自来水阀。

5、待压力泄完后,再卸下合管与槽车连接的快速接头,并包好合管的快速接头妥善放置合管。

6、完成以上步骤后打开进入中间罐的气氨阀门,并作一次全面检查。

  • 标签:液氨 安全操作规程 
  • 圈子:注安之家 
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    作者:原创(游客) 日期:2016-9-30 13:51:30
    原创(游客)http://njryw168.lofter.com/post/1e6983e5_c7f0846 http://rywydx.lofter.com/post/1e6a68e3_c8154a3 http://njryw168.lofter.com/post/1e6983e5_c7ed967 http://njryw168.lofter.com/post/1e6983e5_c7e8990 http://rywkdks.lofter.com/post/1e698063_c7f8fc1 http://njryw168.lofter.com/post/1e6983e5_c7f349f http://rywkdks.lofter.com/post/1e698063_c7f7e4a http://rywkdks.lofter.com/post/1e698063_c7f8f7f http://njryw168.lofter.com/post/1e6983e5_c7ee6e3 http://rywywj.lofter.com/post/1e6a80c3_c823de4
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