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除尘设备在工业中的应用

2018-01-19 10:27:49

DONGTAIXIANGQING

根据经验,除尘设备满源彩票有三种不同层次的选择:

YISHIFANGCHEN,YEJIUSHIXIANGGEZHONG   YIYANG,YUFANGZONGSHIBIZHILIAOHESUAN,BIRUZHUANGXIELIAO、PIDAISHIJIAGELIUCAO,JIUKEYIDAFUDUJIANSHAOFENCHEN、HUOYANCHENCHANSHENGHECHULILIANG;ZAICHULIGANGZHADENGSANZHUANGLIAOSHI,CAIYONGJUBUMIBI,SHICHANSHENGDEFENCHEN、YANCHENZAIQIZHONGXUNHUANXIAOHAOQIDONGNENGHOU,FENCHENJIUDABUFENZIRANCHENJIANGXIALAI。ZHEILEIJIXIEFANGCHEN、CHUCHENZAIBEICHENGWEIWUDONGLICHUCHEN,ZAIDADUOSHAOCHANGHEZHONGDEDABUFENFENCHENDOUSHIHECAIYONGWUDONGLICHUCHEN;ZHISHAOYAOXIANCAIYONGWUDONGLICHUCHENYUCHULI。

QICISHIFUZHUCAIYONGPENSHUIWU、HUOPAOMOCHUCHEN。ZHIJIEPENWUYIFANGMIANKEYISHIFENCHENKELIRUNSHIHOU,XIANGHUZHANJIE、NINGJU、ZHANGDA,RANHOUJIURONGYIYUDAQIFENLI;LINGYIFANGMIANDUIYUWENDUBIJIAOGAODEYANQI,ZHIJIEPENWUSHIXIANZHENGFALENGQUEJIUKEYIYONGSHAOLIANGSHUISHIYANQILENGQUE,TIJISHOUSUO,SUDUJIANGDIYEYOULIYUCHUCHEN。GUOQUDEJIAOKESHU、SHEJISHOUCEDOUSHUOPENWUCHUCHENZHISHIHECHULI50?mYISHANGDEFENCHEN,CHUCHENXIAOLVZHIYOU40-70%。SHIJIANJINGYANZHENGMING,YOUYUPENWUJISHUDEJINBU,TONGGUOPENWUXITONGKEYIQUCHU10?mYISHANGDEFENCHENJIEJIN100%、1/mYISHANGDEFENCHENYENENGQUCHU90-95%。BIRUZHONGJIANBAOFANBAO、GANGZHACHULICAIYONGPENWUCHUCHENDOUSHIJIDADAOLE90-95%DEGAOCHUCHENXIAOLV。

因此从减排、又节能降低成本的角度考虑,   要先考虑无动力除尘和直接喷雾除尘,实在不得已时才考虑第三个选择:就是通风除尘。因为只要选择通风除尘,就   要有高耗能的风机和除尘器,节能降低成本就比较难。采用通风除尘系统时也要先考虑能耗低的电除尘,然后考虑布袋除尘器。按此思路反思我们现在的除尘设备实际选择顺序,就可以发现一些值得改进的问题:比如转炉二次除尘、高炉出铁场除尘、装卸料除尘等许多类似应用,粉尘颗粒80%、甚至90%以上都是10?m以上,但在我国几乎绝大多数采用通风除尘、并且用布袋除尘器,就出现解决了减排问题,但运行费用都很高;转炉LT法除尘未燃法时粉尘也是大部分是粗颗粒,但电除尘的入口浓度按照70-100克/标立米设计,造成电场多、设备庞大。当然有些电除尘器效率不稳定也是   解决的实际问题。 还有就是许多钢厂的厂区道路粉尘,条件好的由很多保洁人员清扫,不及时清扫厂区道路扬尘就总是很多。实际上采用尘源治理的思路,粉尘在哪产生就在哪解决,同时采用自动清洗卡车轮胎和底盘就可以保持厂区道路、甚至邻近社会公路清洁。这是我国部分地方和企业与差距大的地方.

YISHANGJIUSHIZAIGONGYEZHONGZHUNQUEXUANZECHUCHENSHEBEIDEJIANYI。

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