【判断题】
停工时，克劳斯催化剂热浸泡操作时，应适当减低反应器进口温度
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【判断题】
盲板的主要作用是将生产介质完全分隔，防止切断阀关闭不严或内漏影响生产
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溶剂再生塔降量操作是注意不要超温超压，尽可能保证产品的切割
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酸性气中烃含量过高，容易形成黑硫磺，此时要适当降低配风比，加强上游脱硫及酸性水汽提装置平稳操作
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焚烧炉烟气氧含量一般控制在2-4%左右，氧过量不仅增加能耗，还会增加三氧化硫、氮氧化物的含量
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控制焚烧炉烟气氧含量的方法可以调整通过焚烧炉燃烧瓦斯的量来实现
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酸性气燃烧炉看火孔设有反吹风的目的是防止硫磺冷凝或者灰尘堵塞看火孔
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酸性气进炉带液较多时，应加强分液罐的脱液，以免对燃烧炉产生影响
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一般情况下一级反应器床层温升要比二级反应器床层温升高的原因是在一级反应器床层发生克劳斯反应的硫化氢和二氧化硫浓度较高，反应放出的热量大
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酸性气燃烧炉温度低达不到烧氨温度要求，可以通过提高配风来提高酸性气燃烧炉温度
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停工检修时打开设备人孔的顺序应为自下而上
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溶剂再生部分停工吹扫前必须将溶剂进行循环再生
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硫磺回收装置停工钝化清洗的目的是防止打开设备后硫化亚铁自燃
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酸性气压力升高的原因是可能是因为炉膛压力上升引起
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装置瞬间跳电，机泵会自启动，不需要操作人员去作调节
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硫磺的流动性随温度升高而变化，温度高，流动性则好
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酸性气的主要成分是硫化氢和二氧化硫，故可用其回收硫
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产生蒸汽的冷换设备水位一般控制在1／3～2／3间
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硫磺酸性气原料主要来自溶剂再生和酸性水汽提装置
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调节阀定位器投用时要注意气源阀开，定位器旋钮推入即投用
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阀门定位器可分为气动阀门定位器和电－气阀门定位器
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工艺联锁只要第一次投用时调试皆可，不需每次开工前再进行调试
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DCS控制卡件损坏只需要通知仪表处理就可以了
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硫磺回收装置液硫泵全坏，装置必须立即紧急停工
【判断题】
配合仪表UPS切换时，必须将关键控制回路改副线操作，避免发生重大事故
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气密介质有相通的管线，必须加装盲板隔断，防止介质互窜
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硫磺副反应COS的生成量随温度的升高而增加
【判断题】
酸性气燃烧炉温度低达不到烧氨温度要求，可以通过提高配风来提高酸性气燃烧炉温度
【判断题】
克劳斯催化剂还原操作目的是避免硫化亚铁自燃
【判断题】
装置停工钝化清洗的目的是防止打开设备后硫化亚铁自燃
【判断题】
COD是表示水中有机物等需氧物质含氧的一个综合指标
【判断题】
COS、CS2的水解反应温度越高越不利于反应
【判断题】
反应器床层任何部位的温度都不应低于硫的露点温度，以免造成催化剂积硫和管道堵塞
【判断题】
在正常操作时，要严格控制H2S/SO2的分子比在2左右
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B. 安全纤维
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安全纸张以___为主要的纤维来源,占90%以上。
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___是指在造纸生产过程中用改变纸浆纤维密度的方法制成的有明暗纹理的图形或文字。
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水印只有在___的条件下才能被清楚地观察到。
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