广西快3

单机布袋除尘器,锅炉脉冲除尘器,旋风除尘器,星型卸料器,星型卸灰阀,除尘器气包,除尘器骨架,除尘器花板,除尘器配件_泊头市京蓝环保设备有限公司

布袋除尘器的腐蚀问题及工况特点

文章作者:京蓝环保   发布时间:2019-05-17
​滤袋腐蚀多在烟气成分超标工况下出现。一般调整烟气参数或使用高性能滤袋即可解决。

滤袋腐蚀多在烟气成分超标工况下出现。一般调整烟气参数或使用高性能滤袋即可解决。

1QITIFUSHI

(1)QIANGYANG HUAJI

广西快3RUJUBENLIUMI(PPS)LVDAIZAI160℃GONGZUOSHI,YUDAOYANGHANLIANGCHAOBIAOSHI(≥12%),DALIANGDEYANGNENGGOUGONGJIPPSFENZIZHONGDE“S”JIANBINGYUZHIJIEHE。FANYINGDEJIEGUOSHI:PPSXIANWEIBIANWEISHENSEQIEBIANCUI,QIANGDUJIANGDI。RUGUOZHANGQIYUNXINGBUYUCHULI,YIZAOCHENGXIANWEIQIANGDUXIAJIANG,DAOZHILVDAIYINQIANGDUXIAJIANGERPOSUN。

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(2)SUANXINGQITI

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广西快3SUANXINGQITIYOUERYANG HUALIU、SANYANG HUALIU、LIUHUAQING、LVHUAQING、FUHUAQINGDENG。

(3)JIANXINGQITI

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2YETIFUSHI

(l)SUANXINGYETI

多出现在含硫较高的工况,如高炉煤气等使用煤或油类燃料工况。一般选择滤袋都是抗腐蚀的,但抗腐蚀只是耐一定程度的酸碱腐蚀,不是完全耐酸碱腐蚀。含硫高就意味着酸露 点高,一般要求单机布袋除尘器进口温度要高出酸露 点20℃以上,以减少水分和酸性气体结合成酸性液体的可能性,避免酸液对滤袋和除尘器本体腐蚀。一般来讲,煤中如含有1%的硫,燃烧后就会在烟气中形成600ppm的二氧 化硫,如果在烟气中含有过多的氧,一部分二氧 化硫就会被氧 化成三氧 化硫,三氧 化硫遇到水后就会生成硫酸(S03+H2O=H2SO4)。

ZAIGUOLVHANYOUFUHUAQINGQITIDEYANQISHI,BUYISHIYONGBOLIXIANWEILVLIAO,YOUQISHISHIYONGYINGSHI(FUHUAGAI)。FUHUAWUYUSHUIHUISHENGCHENGQINGFUSUANFUSHIBOLIXIANWEIZHONGDEERYANG HUAGUIDENGZUFEN,ZHISHIBOLIXIANWEIFUSHIPOSUN。

广西快3YIBANKONGZHIYANQIYUNXINGDEWENDUZAISUANLU DIANYISHANGJIKE,RUDIYUSUANLU DIANWENDU,BIXUGUANBICHUCHENQIXITONG,BIMIANFUSHILVDAI。SUANXINGYETIHAIYOUYAN SUAN(HCl)、LIUSUAN(H2SO4)、XIAOSUAN(HNO3)、LINSUAN(H3PO4)DENG。FUSHIHENJIDUOWEIFUSHEZHUANG,SHAOSHUWEIDIANZHUANG,YANSEPIANLVSE,XIANWEICHENGMIANHUAZHUANG,QIANGDUXIAJIANGHUOWUQIANGDU。

(2)JIANXINGYETI

广西快3DUOCHUXIANZAINAYANHEANLEIHUAGONGSHENGCHANGONGYIDECHUCHENZHONG,LIRULVHUANA、ANSHUI、TANSUANNADENGGONGKUANG。FUSHIHENJIHESUANFUSHILEISI。

(3)SHUIJIE

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广西快3GAOWEN、SHIDUJIHUAXUEPINZHEISANZHONGYINSUBIXUCUNZAICAINENGJIHUOSHUIJIE。JUBINGXIJINGJUNJUTI、PPSXIANWEI、PTFEXIANWEIBUSHISUOJUXINGJUHETI,CHANGXUANLAIQUDAIYOUSHUIJIEWENTIDEXIANWEI。RUDANGMEITASIXIANWEIZAIGAOYU135℃SHUIJIESHI,KEYONGPPSXIANWEILAITIDAI;DILUNLVLIAOZAIDIYU120℃YIXIASHUIJIESHI,CHANGYONGJUNJUBINGXIJING(JI“YAKELI”LVLIAO)LAITIDAI。

SHUIJIEHENJIDUOWEIXIANWEIYANSEHUNZHUO,LVDAIQIANGDUYANZHONGXIAJIANG、YONGSHOUKEQINGYISIPO,FENGRENXIANSHUIJIEHOUDUANLIE,WUQIANGDU。


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