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["1. О硫氧化物脱除,对于SO3的脱除率普遍是多少,检测问题,如何检测烟气排放中的SO3

2017-09-26View Original

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如题:普遍采用的是belbel技术,EDV湿法脱硫 主要是碱液与SO2起反应,那么烟气中的SO3是否能够脱除,脱除率是多少? 外排烟气中的SO3如何检测?检测中的在线分析仪器是测的SObel么?对SO3是否有效? 为什么蓝色烟气(含SO3)却是合格排放呢?怎么解释? 经理讨论组
Reply #22017-09-26
看你们选用的哪种型号的喷嘴了,喷嘴不一样bel三氧化硫的脱除率也不同,在线仪表检测的二氧化硫,不测三氧化硫的。好像没有规定三氧化硫的排放标准
Reply #32017-09-26
对二氧化硫没有排放指标,应该脱除很少。你看排放烟气颜色就能看出三氧化硫排放多少,颜色发蓝就说明排放量很大。这和你往再生器添加的co助燃剂量多少有很大关系。最好调整再生烧焦少加阻燃剂。三氧化硫含量就会降低。
Reply #42017-12-10
一般就催化烟气来说,SO2与SO3的摩尔质量比基本保持在11:1左右。就EDV得工艺来讲,SO8的脱除是在洗涤段 而SO3的脱除是在滤清段。如或烟囱冒蓝烟,证明在滤清段脱除效果不好。其主要原因就是烟气线速太低,在文丘里处加速不够。 至于解决方法么?咱们可以一起讨论讨论。"

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