http://www.esafety.cn/blog/wll/66030/index.html

安全生产事故案例分析习题(29)

作者[孙锡云] 发表于[2011-7-29 11:26:00]

安全生产事故案例分析习题(29)

   某燃气发电厂化水系统包括:

  (1)化学锅炉补给水处理系统。该系统为全自动化控制,地表水经絮凝、过滤、超滤、一级反渗透、二级反渗透及EDI处理后送至主厂房用水点。

  (2)化学加药处理。为防止热力设备及管道的腐蚀,向凝结水、给水中加入氨和联氨。

  (3)水汽取样。为及时、准确地监督机炉运行中水、汽品质变化情况,诊断系统中的设备故障,以保证电厂机组的安全运行,设置完整的水汽取样分析装置,设置必要的取样点、在线分析仪表。

  (4)循环冷却水处理。根据水量平衡和冷却水补充水水质,为防止循环冷却水系统结垢,采用加水质稳定剂和加酸的联合处理方案。

  (5)废水处理。全厂废水集中到废水处理站处理后达标排放或回用。废水处理站主要利用酸、碱中和来进行废水处理。

  Ⅰ、单项选择题

  1.化学加药处理间最主要的职业危害防护工程措施是_.

  A.员工佩戴防毒口罩  B.员工佩戴防护手套

  C.员工佩戴防护眼镜  D.通风排毒设施

  2.在预防和控制职业危害方面,下面_做法不正确。

  A.有良好的通风排毒设施  B.加药员工佩戴防毒口罩

  C.接毒作业员工定期进行日常体检  D.车间内有佩戴个体防护用品的警示标志

  Ⅱ、多项选择题

  3.化水系统存在的主要职业危害因素可引起《职业病目录》中的_职业病。

  A.氨中毒  B. H2S中毒  C.苯中毒  D.甲醛中毒

  4.该发电厂化水系统存在的主要职业危害因素是_.

  A.氨和联氨  B.噪声  C.粉尘  D. H2S

  参考答案:    1 .A 2.C 3. AB 4.ABD

Re:在漫画中识别身边的违章

作者[casux(游客)] 发表于[2017-2-18 17:09:51]
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Re:在漫画中识别身边的违章

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Re:在漫画中识别身边的违章

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Re:在漫画中识别身边的违章

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Re:在漫画中识别身边的违章

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Re:在漫画中识别身边的违章

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Re:在漫画中识别身边的违章

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Re:在漫画中识别身边的违章

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原创

作者[原创(游客)] 发表于[2016-9-30 13:41:31]
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原创

作者[原创(游客)] 发表于[2016-9-28 19:02:30]
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原创

作者[原创(游客)] 发表于[2016-9-6 19:26:10]
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