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烟气脱白技术   众鑫棋牌 > 烟气脱白技术

国内FGD装置中鳞片衬里防腐蚀失效原因初探

[2019-1-18] 点击:

湿电咨询服务: 陶经理18332815001 张经理18633235200

ZHAIYAO:SHIFAYANQITUOLIUZHUANGZHIYINQICHULIYANQILIANGDA、TUOLIULVGAO、YUNXINGZHOUQIZHANG、YUNYINGCHENGBENSHIZHONG,YICHENGWEIGUONEIWAIHUODIANCHANGYANQITUOLIUDEZHUDAOZHUANGZHI。DANGAIZHUANGZHIFUSHIHUANJINGKEKE,FANGFUSHISHIFGDZHUANGZHIZHONGDEYIGEZHONGYAOHUANJIE,ERZUOWEIYIZHONGPUTONGCAIYONGDELINPIANCHENLICAILIAO,ZAIGUONEIDEYIXIEYINGYONGANLI,CHUXIANLEYIXIEFANGFANGFUSHISHIXIAOYIZHISHIBAIDEQINGKUANG,BENWENJIUYIXIEFGDZHUANGZHIDESHIXIAOQINGKUANGJINXINGFENXIHEZONGJIE,ZHAOCHUYIXIEYUANYINYIJIDUICE,CONGERWEIHOUXUYANQITUOLIUZHUANGZHIDEFANGFUSHIJISHUTIGONGLEKEKAODEJISHUJIEJIAN。

GUANJIANCI:    LINPIANCHENLI  FGDTUOLIUZHUANGZHI  FANGFUSHI  SHIXIAO FENXI  TAOLUN

1、引言

HUODIANCHANGSHIFAYANQITUOLIUHUANBAOJISHU(FGD)YINQITUOLIULVGAO、MEIZHISHIYONGMIANKUAN、GONGYIJISHUCHENGSHU、WENDINGYUNZHUANZHOUQIZHANG、FUHEBIANDONGYINGXIANGXIAO、YANQICHULINENGLIDADENGTEDIAN,BEIGUANGFANDIYINGYONGYUGEDA、ZHONGXINGHUODIANCHANG,CHENGWEIGUONEIWAIHUODIANCHANGYANQITUOLIUDEZHUDAOGONGYIJISHU。DANGAIGONGYITONGSHIJUYOUJIEZHIFUSHIXINGQIANG、CHULIYANQIWENDUGAO、SO2XISHOUYEGUTIHANLIANGDA、MOSUNXINGQIANG、SHEBEIFANGFUSHIQUYUDA、SHIGONGJISHUZHILIANGYAOQIUGAO、FANGFUSHISHIXIAOWEIXIUNANDENGTEDIAN。YINCI,GAIZHUANGZHIDEFUSHIKONGZHIYIZHISHIYINGXIANGZHUANGZHIZHANGZHOUQIANQUANYUNXINGDEZHONGDIANWENTIZHIYI。ERGUONEIWAIZHANGQIGONGCHENGDESHIJIANBIAOMING,YIXIJISHUZHILINPIANCAILIAOSHIYIZHONGKEKAODENEICHENFANGFUSHICAILIAO,YOUQISHIYONGZAIFGDZHUANGZHIZHONG。

湿法烟气脱硫环保技术(FGD)

SUIZHEGUONEIDALIANGTUOLIUHUANBAOGONGSIDEYONGXIAN,TUOLIUJISHUZHUBUCHENGSHU,TUOLIUXIAOLVZAIBUDUANTIGAO,DALIANGDEDIANCHANGTUOLIUCHENGGONGANLIYEJIANZHUYUMEITI。YUCITONGSHISHICHANGJINGZHENG(BAOKUOFANGFUSHISHIGONGFENBAOSHICHANG)YULAIYUJILIE,DANWEIZAOJIAYEYUELAIYUEDI,GONGCHENGDEJISHUBAOZHANGCHENGDUYOUQISHIFANGFUSHICHENLIJISHUYAOQIUZAIBUDUANJIANGDI,CONGERDAOZHILEYIXIEFEIZHENGCHANGDEQINGKUANGCHUXIAN:RUZAIYUNXINGLE1NIANZUOYOU,JIUFASHENGLEGAOWENYANDAOLINPIANCHENLIDETUOCENGDENG;SHENZHIYIXIEFGDTUOLIUZHUANGZHIZAITOURUYUNXING6GEYUEBUDAODESHIJIANNEI,JIUXIANGJICHUXIANNEICHENFANGFUSHISHIXIAO(TUOCENG、CHUANKONGDENG)DEQINGKUANG。ZUOZHESUOZAIGONGSICENGXIANHOUSHOUYAOCANYULEJIN10GEZAI1-3NIANQIANTOURUYUNXINGDEFGDTUOLIUZHUANGZHI、YANDAODENGFANGFUSHISHIXIAODEXIANCHANGZHENDUANHEJIANCE、XIUFUFANGANDEZHIDING、XIUFUSHIGONGDEXIANCHANGJIANDUHEZHIDAODENGGONGZUO。BENWENDUIYUDAODEGONGCHENGYINGYONGZHONGCHUXIANDEFANGFUSHISHIXIAOQINGKUANGJINXINGLEFENXI,BINGTICHULEJIEJUEDUICE,YIQIWANGZAIHOUXUFGDDEGONGCHENGSHEJI、XUANCAI、SHIGONGHESHIYONGZHONGBIMIANZAICHUXIANLEISIDEZHILIANGYINHUAN,DUIYEZHU、TUOLIUSHEJI、FANGFUSHICHENLISHIGONG、CAILIAOGONGHUODENGZHUFANGMIANQIDAOJIEJIANZUOYONG。

2、 湿法烟气脱硫装置的防腐蚀失效情况分析

ZHEIJINIANDEFGDSHIJIYUNXINGZHONGFAXIANDEFANGFUSHISHIXIAOANLI,JUTIYOUYIXIAJIXIABIAOXIAN:BUNAIFUSHI、YUGANGJIEGOUJICHUTUOCENG、CHUANKONGDENGQINGKUANG。ZHEIXIESHIXIAOQINGKUANGDECHUXIAN,QIYUANYINSHIDUOFANGMIANDE,TASHEJIDAOGONGCHENGSHEJI、CAILIAOXUANZEJISHIGONG、ZHUANGZHIYUNXINGJIWEIHUDENGYINSU,XIAMIANJIUSHIXIAODEKENENGXINGJIAYIFENXI。

2.1基础结构设计

MUQIANGUONEIFGDTUOLIUZHUANGZHIDEJICHUJIEGOUJUEDABUFENSHIGANGJIEGOU,ZHIYOUBUFENDIANCHANGDESHAOBUFENYANDAOJIEGOUSHICAIYONGHUNNINGTUDE。ERZAIGANGJIEGOUJICHUSHEJIZHONG,YOUYUMEIYOUCHONGFENKAOLVNEICHENCAILIAODETEXING,YINQIANGDUHEJIEGOUSHEJIDENGFANGMIANDEQIANQUEERDAOZHIZUIHOUDEFANGFUSHISHIXIAO,YIZAIGUONEIDEJIGETUOLIUGONGCHENGCHUXIANLE。

ZAIGANGJIEGOUZHUANGZHIZHONG,RUOCAIYONGLINPIANCHENLIJIEGOU,CHENCENGZAIXIASHUTIAOJIANXIAYICHANSHENGZHENZHANPILAOPOHUAI:YISHIYANDAODENGJIEGOUSHEJIQIANGDU、GANGXINGBUZU,TEBIESHIYANDAOBUZHISHOUHUANJINGSUOXIAN,QIWANDAO、GUOLIUJIEMIANBIANHUAJIAODASHI,GAOSULIUDONGDEYANQIZAIYANDAOZHONGGUOLIUSHIHUIYINWANDAOJIGUOLIUJIEMIANBIANHUADEYINGXIANG,CHANSHENGJIAODADEYALIBIANHUA,XINGCHENGBUWENDINGLIUDONG,DAOZHIYANDAOJIEGOUZHENZHAN,SHIBENLAIJIUGAOWENSHIQIANGDECHENLIXINGCHENGPILAOFUSHIKAILIE,YANZHONGSHIXINGCHENGDAMIANJIBOLUO。ERSHIZAIYANDAOJIEGOUQIANGDUSHEJISHI,CHUYUJIEGOUBUQIANGXUYAO,CAIYONGXIGANNEIZHICHENGBUQIANG,DANGGAOSULIUDONGDEYANQIZAIYANDAOZHONGGUOLIUSHI,YINYANQICHONGJIYALIZUOYONGYINFAZHICHENGXIGANDOUDONGBIANXING,DAOZHIZHICHENGGANYUYANDAOBIHANJIEQUCHENCENGKAILIE。

GUONEIWAIDEYOUGUANFGDZHUANGZHIDESHEJIYAOQIUJIJINGYANBIAOMING,GANGJIEGOUSHEJIYINGYOUZUGOUDEQIANGDU,ERZAIGUONEIDEYIXIEFGDZHUANGZHIZHONG,YOUYUSHEJIJINGYANHUOZHECHENGBENSHANGDEYINSUKAOLV,GANGJIEGOUDEHOUDUJUNJIAOBO,ZAIBIZHEJINGLIDEJIGEGONGCHENGZHONG,YOUSHIFAXIANGANGJIEGOUDEHOUDUBUDAO5mm,JUBUQUYUSHENZHIZHIYOU3mm,ERSHIJIYUNXINGSHIDEZHENZHANFUDUSHENZHIDADAO5DU(YIBANYAOQIUBUNENGDAYU3DU),ZHEIYANGDEJIEGOUQIANGDUSHIKENDINGSHIBUGOUDE,ZAIYOURENYUANXINGZOUTACAIJIKEMINGXIANGANJUEDAOYANDAOJIEGOUZHENZHAN。

YOUYUCHANGDIDENGXIANZHIXINGYINSU,ZAIYANDAODESHEJISHANGYOUCAIYONGLEDUOWANDAO、BIANJIEMIANJIEGOU,CONGERDAOZHIZUIHOULINPIANCHENLIDETUOCENGDENGZHILIANGYINHUAN。WEILEBIMIANYISHANGDEZHILIANGYINHUAN,KEYIKAOLVYIXIADUICE:      

1、 YAOQIUTIGAOGANGJIEGOUDEQIANGDUSHEJIYAOQIU,BAOKUOKEYICAIYONGZHICHENGGANDECUOSHIDENG;

2、 ZAISHEJIZHONGKAOLVYIXIEQITAYINSU,SHIQILIUSUDUJINLIANGPINGHUAN,BIRUWANDAODENGBUNENGTAIDUOHUOZHEGENGJIAPINGHUANDEWANDAOSHEJI;

3、 WEILEGENGHAODEFANGZHIJUBUDEZHILIANGSHIGU(TUOCENGDENGQINGKUANG)DEMANYANYUKUOSAN,ZAIYIXIEBUWEICAIYONGPENGZHANGJIELIANJIEFANGSHI,RUZAIJINKOUYANDAOYUXISHOUTAZHIJIANZENGJIAYIPENGZHANGJIE(ZHISHAOYIYINGZENGJIAYILIANJIEFALAN),ZUOYONGYOUER。YISHILIYONGPENGZHANGJIEDEROUXINGLIANJIESONGCHIYANDAOZHENZHANYINGLI,SHIQIDUICHENCENGDEPOHUAIXINGJIANSHAO;ERSHILIYONGPENGZHANGJIEDEFALANLIANJIE,SHIYANDAOCHENCENGYUXISHOUTACHENCENGFENDUAN,BIMIANCHENCENGYANSHENBOLIPOHUAIDEXINGCHENG。

4、 ZAIXUYAOZHICHENGGANSHI,YINGGAIJIANGNEIZHICHENGJIEGOUGAIWEIWAIZHICHENGJIEGOU,QIEJIEGOUQIANGDUJIGANGXINGYINGFUHEXIANGGUANSHEJIBIAOZHUNGUIDING,ZAIGUAIWANQUJIDAOLIUBANYINGSHIDANGZENGJIAHOUDUHUOZENGJIAZHICHENGBUQIANGJINPAILIEMIDU,DAOLIUBANLIANJIEZHICHENGZUIHAOFANGZHIZAIWAIKUANGJIASHANG,ERBUSHIZHIJIEHANJIEZAIYANDAOBISHANG,YIBIMIANYINDAOLIUBANZHENZHANYINFAYANDAOBIZHENZHAN,DAOZHINEICHENCENGPILAOBOLI。

5、 ZHENGRUSHANGMIANSUOSHU,JIEGOUDEZHENZHANSHIBUKEBIMIANDE,TONGSHIZAIYISHIGONGANZHUANGHUIBIDEJICHUSHANGJINXINGHOUXUDELINPIANSHIGONGSHI,YOUYUBUNENGDUIJICHUJINXINGFANGONGDEQIANTIXIA,TIGAOLINPIANCAILIAO(DITU)YUGANGJIEGOUDEJICHUDEZHANJIEXINGSHIYOUQIZHONGYAO,ZHEIYEKENENGSHIYIXIEGONGCHENGZHONGWEIYIXIANSHI、KEXINGDECUOSHI。

ERZAICAIYONGHUNNINGTUJICHUJIEGOUSHI,YOUQIZAIYUANYANQIYANDAO,YOUYUZHANGQIDEGAOWENYANQIZUOYONGXIA,HUNNINGTUJIEGOUFASHENGKAILIEDENGXIANXIANGBAODAO,CONGERDAOZHIZAIHUNNINGTUJICHUSHANGLINPIANCHENLIJIEGOUYESHOUDAOPOHUAI,BIZHERENWEI,RUOCAIYONGHUNNINGTUJIEGOU,ZHEIZHONGQINGKUANGSHIBUKEBIMIANFASHENGDE。

2、2鳞片材料

ZAIFANGFUSHIGONGCHENGXIANGMUZHONG,FANGFUSHICAILIAODEBENSHENTEXINGSHIGUANHUZUIHOUZHILIANGDEYIGEGUANJIANYINSU。ERZAIZHEIJINIANZHONG,SUIZHEGUONEIFGDZHUANGZHIDEDALIANGXINGJIANHESHICHANGRONGLIANGDEBUDUANKUODA,DALIANGGONGSIJINRUFGDFANGFUSHIYONGCAILIAO(YIXIJILINPIAN)DESHENGCHAN,SHIDESHICHANGJINGZHENGYUELAIYUEJILIE,YUCITONGSHIYIXIECHANGJIAZAIMEIYOURENHEJISHUYANFAZHICHI、MEIYOUJIANCETIAOJIAN、MEIYOUYINGYONGBEIJINGHEMEIYOUJISHUFUWUDEQINGKUANGXIA,MAORANSHENGCHANLINPIANCAILIAO,BINGCAIYONGDIJIASHOUDUAN,ZAIYIXIEFGDXIANGMUZHONGDEDAOYINGYONG,DAOZHIZAIBUDAOBANNIANDEYINGYONGZHONGJIUCHUXIANLEZHILIANGWENTI,ZAISHICHANGZHONGKEYICHADAODALIANGDESHIXIAOANLI,BAOKUOKAILIE、TUOCENGDENG。MUQIANSHIHEYUFGDZHUANGZHIDELINPIANLEINEICHENCAILIAO、SHIGONGJIYANSHOUDEGUOJIABIAOZHUNSHANGZAIZHIDINGZHONG,ERYIYOUDEXINGYEBIAOZHUNYUGUOWAITONGLEIBIAOZHUNXIANGBIJIAO,CUNZAIZHEJISHUYAOQIUGUODI、ZHILIANGZHIBIAOBUQUANDENGMINGXIANBUZU。YINCIZAIMUQIANDETIAOJIANXIA,DUILINPIANCAILIAOJIBENTEXINGDEQUELIXIANDEYOUWEIZHONGYAO。ERDUIYUYEZHUHUOTUOLIUHUANBAOGONGSIERYAN,XUANZEJISHUGUOYING、ZHILIANGWENDING、CHANPINKEKAO、YOUJISHUZHICHENGNENGLIDECAILIAOCHANGJIAJIUXIANGDANGZHONGYAO。ZAILINPIANCAILIAODEJIBENTEXINGZHONG,WOMENKEYICONGXIAMIANJIGEFANGMIANJINXINGKAOLVHEXUANZE

2、2、1材料的基本特性:

LINPIANCAILIAOZUOWEIYIZHONGGAOXINGNENGCHENLICAILIAO,XUDUOCHANGJIAHEYANJIUYUANDUIYUZHEILEICAILIAOJINXINGLEDALIANGDEJISHUGEXINHEYANJIU,TONGSHIDALIANGDEYINGYONGANLIYEBIAOMINGGAICAILIAOSHIYIZHONGKEKAODEKESHIHEFGDCHENLIFANGFUSHIDECAILIAO,ZUOWEIYIZHONGFANGFUSHICAILIAO,LINPIANCAILIAODENAIFUSHITEXINGSHIZUGOUDE,YINWEIZAIFGDZHUANGZHIZHONGDEFUSHIYAOQIUBENSHENBUSHIHENGAO,DANSHIZHENGRUQIANMIANSUOYAN,CAILIAODEQITAJIGEGUANJIANTEXINGYESHIXIANGDANGZHONGYAODE,BUTONGDECHANGJIADETEXINGKENENGCHABIEJIAODA,YISHIDITULIAODEZHANJIETEXING:ZHEIZAIQIANMIANTIGUO,WOMENJIANYIDITUCAILIAOYUGANGJIEGOUJICHUDEZHANJIELINENGGOUZHISHAODADAOQI10MPaYISHANG;LINPIANDITUYINGGAICAIYONGYIXIEGAOZHANJIETEXINGDETEZHONGDITU,SUIRANYESHIYIYIXIJISHUZHIWEIZHUYAOYUANLIAO,DANSHIZHEIXIEDITUSHIJINGGUOTESHUCHULIDE,DANYIXIECAILIAOCHANGJIADEWEILESHICHANGJINGZHENGXUYAO,ZAIJISHUBUWANQUANCHENGSHUDEQIANTIXIAZHISHIJIANDANDECAIYONGCHUNYIXIJISHUZHI,ERMEIYOUDUICAILIAOJINXINGRENHEDEJISHUCHULI,ZHEIYANGDEDITUCAILIAODEZHANJIEXINGSHIKEXIANGERZHIDE,SUIRANCHENGBENSHIGENGJIADILE,CONGERJIYIFASHENGLINPIANCHENLIDETUOCENG,YOUQIZAIYIXIEGGHZHUANGZHIZHONG,ZHEIGESHIDADUOSHULINPIANCHENLITUOCENGDEZHUYAOYUANYINZHIYI。ERSHILINPIANCAILIAODENAIWENTEXING(BAOKUONAIGAOWENTEXINGHENAIWENDUCHONGJITEXING):ZAIFGDZHUANGZHIZHONGDE,YOUYUYIXIEGONGYISHEJISHANGHUOZHESHIQITAFANGMIANDEYUANYIN,YIXIEYANQIDEWENDUHUIYIDUANSHIJIANJIAOGAO,SHENZHIDADAO180℃。YINCIYAOQIUGAOWENDUANCAILIAODENAIWENTEXINGSHIXIANGDANGGAODE,ZHEIYIDIANKENENGYUGUOWAIDECHENGSHUFGDGONGYIHUOZHUANGZHIZHONGYOUYIDIANBUTONG。MUQIANYIXIECHANGJIASHENGCHANDELINPIANCAILIAODENAIGAOWENTEXINGFANGMIANYOUSUOQIANQUE,GUJIYIZAOCHENGLINPIANCHENLIZAIGAOWENTIAOJIANHUOZHESHIWENDUCHONGJIXIA,FASHENGKAILIE、TUOCENGDEXIANXIANG。

WEILEBIMIANCHENLIDETUOCENG,TIGAODITUCAILIAODEZHANJIETEXINGJIUXIANDEXIANGDANGZHONGYAO,ZAISHIGONGXIANCHANG,WOMENJIANYICAIYONGXIANCHANGLAKAICESHIFAYIPINGGUDITUCAILIAODEZHANJIETEXING,ZHEIZHONGFANGFASHIFANGBIANKEXING,BIYIXIESHIYANSHIBIAOZHENGFANGANGENGJIAQIESHIKEXINGHEFUHEGONGCHENGSHIJIXUYAO。KECAIYONGFUHEASTM D4541“BIANXIESHIFUZHELICEDINGYICESHITUCENGFUZHELIFANGFA(LAKAIFA)”DEMEIGUOCHAN“YEYASHIZHANHEDUCESHIYIHATE”,GAIYIQISHIYIZHONGSHOUDONGSHI、ZHANJIETOUKEFUYONGDEXIANCHANGTUCENGFUZHELIJIANCEYI。TASHIYONGYUGANGCAI、HUNNINGTUDENGBUTONGJICAI,LALIFANWEISHI1~18Mpa。WOMENYIBANYAOQIUVEGFDITUDECESHIQIANGDUDADAO10MpaYISHANG。ERMUQIANGUONEIYIXIECAILIAODEXIANCHANGCESHIGUOCHENGZHONGDEZHANJIEQIANGDUYIBANBUHUICHAOGUO5Mpa。

2、2、2材料的合成工艺:

ZAILINPIANCAILIAODEHECHENGGONGYIGUOCHENGZHONG,YINGXIANGZUIHOUZHICHENGPINDETEXINGDEYINSUJIAOWEIFUZA,BAOKUOZAIHECHENGGUOCHENGZHONGSHIFOUCAIQUZHENKONGJIAOBANGONGYI、LINPIANBIAOMIANSHIFOUJINXINGOULIAN(coupling)CHULIDENG,ZHEIXIEGONGYIGUOCHENGJUNHUIDUIZUIHOUDELINPIANCHENLIXINGNENGZAOCHENGHENDADEYINGXIANG。BIZHEYUGUOWAIDETONGLEICAILIAOSHENGCHANCHANGJIADEJISHUJIAOLIUGUOCHENGZHONG,YETANJIZHEIGEJISHUWENTI,GUOWAICHANGSHANGYAOQIULINPIANSHENGCHANGUOCHENGZHONGYIDINGYAOQIUCAIYONGZHENKONGJIAOBANGONGYI,WOMENDUIYUTONGZHONGPEIFANGQIANTIXIAJINXINGLEDUIBIXINGSHIYAN,FAXIANZHENKONGJIAOBANGONGYIXIADECAILIAOJUYOUGENGHAODEGONGYIXING,CAILIAODEZHANJIEXINGGENGHAO,TONGSHISHIGONGGUOCHENGZHONGBUYICHANSHENGQIPAO,ZHONGSUOJIEZHI,LINPIANCHENLIZHONGDEQIPAODECUNZAIHUIDUIFANGFUSHIXINGNENGYOUHENDADEYINGXIANG。ERMUQIANGUONEIYIXIECAILIAOSHENGCHANSHANGHUIZAIXIANCHANGJINXINGJIANDANDEHUNHEJIZHIDELINPIANCAILIAO,ZHEIYANGDELINPIANCAILIAOSHIMEIYOUJINGGUOZHENKONGJIAOBANGONGYI,XINGNENGSHANGKENDINGHUISHOUJIAODADEYINGXIANG;LINGWAI,LINPIANDEBIAOMIANCHULISHIYINGXIANGFANGFUSHIXIAOGUODEYIGEGUANJIANYINSU,YINWEIBIAOMIANCHULIDESHIFOULIANGHAOHUIYINGXIANGJIEMIANDEJIEHEXINGNENG,RUOMEIYOUDUILINPIANBIAOMIANJINXINGOULIANCHULI,FUSHIXINGDEXIAOFENZIJIUXIANGDUIRONGYITONGGUOJIEMIANSHENTOUDAOCHENLI,ZHIZHIZUIHOUDAODAJICHUBIAOMIAN。SUOYIWEILEQUEBAOLINPIANCHENLIDEZUIHOUFANGFUSHITEXING,ZAIHECHENGGUOCHENGZHONG,YINGGAIYAOQIUDUILINPIANJINXINGLIANGHAODEBIAOMIANCHULI,TONGSHIYINGCAIYONGZHENKONGJIAOBANGONGYI。

2、 2、3原材料:

YIXIJISHUZHILINPIANCAILIAODEYUANCAILIAOZHUYAOSHIYIXIJISHUZHI、BOLILINPIANHEYIXIEGONGNENGXINGZHUJI,SUIZHEMUQIANGUONEIWAIDESHUZHIHECHENGJISHUFAZHAN,SHUZHIDEGEXIANGLIHUATEXINGSHANGMEIYOUCHAYI,ERJIUYUANCAILIAOFANGMIANDEYINSU,JIEHEMUQIANYIXIEFANGFUSHISHIXIAOGONGCHENGXIANGMUDEQINGKUANG,YINGXIANGCAILIAOTEXINGDEZHUYAOJINLINPIANYUGONGNENGXINGZHUJISHANG,ERMUQIANSUIZHEYIXIEGONGCHENGXIANGMUCHENGJIEGUOCHENGZHONGDEJINGZHENGDEJIAJU,YIXIETUOLIUGONGSIHESHIGONGCHANGJIAJINGXIANGYAJIA,SUOYIZAOCHENGZUIHOUDEHETONGDANJIAXIANGDANGDI,ERYIXIECAILIAOCHANGJIAWEILEZHENGQUDAOCAILIAOGONGYINGHETONG,JINLIANGDEJIANGDICHENGBEN,YISHITONGGUOCAIYONGLIEZHIDELINPIANLAIJIANGDICHENGBEN,BUTONGGONGYI(CHUIZHIFA、YAZHIFA)SHENGCHANCHULAIDELINPIAN,LINPIANBIAOMIANSHIFOUJINXINGYUCHULIDENGQINGKUANGDECHAYI,HUISHILINPIANDECHENGBENPANBIECHAYIJIAODA,SHENZHIYIXIECHANGJIACAIYONGYUNMUFENDAITIBOLILINPIAN,LIYONGZHEIYANGDEDICHENGBENSUOWEIDELINPIANZHICHENGDECHENLICAILIAODEXINGNENGSHIKEXIANGERZHIDE;ERSHILINPIANBIAOMIANSHIFOUJINXINGYUCHULIDENGGONGYIDECHAYI,HUISHILINPIANDECHENGBENCHAYIJIAODA;SANSHIZHUJI,ZHUJIZAIHECHENGGUOCHENGZHONGDESUOYONGBILISUIRANXIANGDUIJIAOSHAO,DANSHICHENGBENJIAOGAO,DANSHISHIFOUCAIYONGZHUJI,HUOZHESHIFOUCAIYONGGAOXINGNENGDEZHUJIKENENGHUIDAOZHIZUIHOULINPIANCHENLIDETEXING。

2、3FGD装置中的鳞片衬里设计技术方案

ZUOWEIYIGEZHONGFANGFUSHIXINGZHIDEGONGCHENGERYAN,CAILIAODEBENSHENTEXINGSHIYIGEJICHUBAOZHANG,DANSHIRUHEYUNYONGGAOXINGNENGDECHENLICAILIAOBAOKUOSHEJIFANGANGENGSHIYIGEGAOYAOQIUDEJISHUXINGGONGZUO,ZAIBOLILINPIANCHENLIGONGCHENGZHONG,YEFAXIANLEJISHICAIYONGJINKOUDECAILIAO,DANZUIHOUGONGCHENGFANGFUSHISHIXIAOHUOZHESHIYIQISUODUANDEQINGKUANGYESHIYOUFASHENG,ZAIPAICHUSHIGONGYINSUWAI,GONGCHENGSHEJIFANGANDEBUZUYESHIYIGEZHUYAOYUANYIN。ZAIFGDZHUANGZHIZHONG,ZUIRONGYICHUXIANJISHUWENTIDEXISHOUTA,BIZHEBIJIAOLEXUDUOGONGSIDESHEJIFANGAN,FAXIANGEYOUCHAYI,DANYIXIEGONGSITIGONGDEJISHUFANGANGENGDUODISHICONGCHENGBENFANGMIANKAOLVDE,CHAYIZHUYAOJIZHONGYUDUIYULINPIANNAIMOJIEGOUCENGDECHAYI,GUONEIYIXIEGONGSIZAINAIMOCHULISHANG,HUICAIYONGJIANDANDEBOLIGANGFUHELINPIANJIEGOU(TU3-1),JIUSHIZAI1-2mmDELINPIANJIEGOUSHANGZAIJIACHEN1-2mmDEBOLIGANGJIEGOU,XIANGDANGYUFUCHEM-3HUOZHESHIFUCHEM-6JIEGOU,ERWOMENJIANYISHIYIXIAJIEGOU(TU3-2)。

TU3-1  BOLIGANGFUHELINPIANJIEGOU   

图3-2FUCHEM耐磨结构

TU3-2FUCHEMNAIMOJIEGOU

ERCONGJISHUFENXI,YIXIJILINPIANCAILIAODEYIGEJISHUTEDIANSHIYUTANGANGDEREPENGZHANGXISHUDEXIANGJIN;ERBOLIGANGDEZUIDATEDIANSHIZHENGTIXINGBIJIAOHAO,DANSHINAIMOXINGDENGSHIQIXIANGDUIRUOXIANG;SUOYIZAILINPIANBIAOMIANJIACHENBOLIGANG,GENBENBUNENGQIDAOHENHAODENAIMOXIAOGUO,JIUNAIMOXINGERYAN,ZHEIYANGDEJIEGOUHAIBURUCAIYONGCHUNCUIDELINPIANJIAHOUCHENLIJIEGOU(RUCAIYONG3mm),ERTU3-2ZHONGDENAIMOJIEGOUZESHIHENHAODEJIEHEGEZHONGCAILIAODETEXING,JUTIJISHUSHUOMINGRUXIA:

1》 LIYONGLINPIANCAILIAODENAIRECHONGJITEXING,ZAIJIECHUGANGJIEGOUJICHUDEDICENGCAIYONGYIDINGHOUDUDELINPIANCENG,CONGERHENHAODEBIMIANYOUYUKENENGCHUXIANDEWENDUCHONGJIERDAOZHIDETUOCENG;

2》 NEICHENJIEGOUZHONGZENGJIANAIMOJIAOJIANGCENGYITIGAOCHENCENGKANGJIEZHICHONGSHUAZHONGDUMOSUNNENGLIHETIGAOCHENCENGKANGREYINGLI,NAIMOJIAOJIANGCENGSHICAIYONGYIXIJISHUZHIYUNAIMOFENANYIDINGBILIHUNHEDIAOZHIERCHENG。

3》 NAIMOJIAOJIANGCENGZHONGJIANFUHE1-2CENGBOLIGANGCENGYITIGAOMOJIAOJIANGCENGKANGREYINGLIKAILIENENGLI,ZHEISHILIYONGLEBOLIGANGDEZHENGTIXINGDETEDIAN。

4》 GENJUBUTONGDENAIWENYAOQIUCAIYONGGAOWENCAILIAOHUOZHESHIDIWENCAILIAO,ZAIXISHOUTANEI,ZHUYAOYINGYONGYUTADI、ZHICHENGLIANG、YANQIRUKOUDENGBUWEI。

LINGWAI,ZAIYIXIEZHICHENGLIANGCHUHUOZHESHISHEJIYINYANGJIAOCHU(RUTU3-1DEJIEGOU),YIXIECHANGJIAMEIYOUCAIQUBOLIGANGJIAQIANGDEXINGSHI,ZUIHOUJUNKENENGDAOZHIFANGFUSHIDESHIXIAOHESHIYONGNIANXIANDESUODUAN。

2、4工程施工

ZAIRENHEFANGFUSHISHIGONGZHONG,CAILIAODEXINGNENGZHISHIQIZHONGDEYIHUAN,SHIGONGZHILIANGDEHAOHUAIHENDACHENGDUSHANGHUIZUIHOUJUEDINGFANGFUSHIGONGCHENGDEZHILIANG,ZAIZHENGQUESHEJI,HELIXUANCAIDEJICHUSHANG,SHIGONGDEHAOHUAISHIZUIHOUJUEDINGFANGFUSHIGONGCHENGZHILIANGDEGUANJIAN。WOMENDEYIXIESHIGONGDUIWUXUDUOYISHUAQI,ZUODIPINGDENGTUJIANFANGFUSHIWEIZHUYE,DUIYURUFGDZHUANGZHIZHEIYANGZHONGYAOSHEBEIDEFANGFUSHISHIGONGYAOQIU,WANGWANGZAIJISHU、SHIGONGJIXIE、JIANCESHOUDUANSHANGZHUNBEIBUZU。WOMENFAXIANZAIFGDZHUANGZHIDEFANGFUSHICHENLISHIXIAODEANLIZHONG,SHIGONGFANGMIANZHUYAOCUNZAIXIALIEJIZHONGQINGKUANG:

1、 表面喷砂质量不达标:FGD防腐蚀衬里的主要工艺均是在钢结构基础上进行衬里施工,所以表面喷砂除锈质量的好坏很大程度上决定了最后衬里结构的附着力,我们对国内众多的失效工程和局部出现脱落等情况的工程进行了详细的分析与总结,发现喷砂质量的隐患是最重的,大多数工程的质量均达不到Sa2.5级要求,在部分工程中出现局部脱层等情况,一些施工公司未采用高质量的砂(如铜矿砂等),或者采用河砂等代替,造成已喷表面达不到各种要求,包括粗糙度等,所以为了在实际工程应用中提高和确保防腐蚀效果,因此材料生产厂家的底涂的粘接性更为重要;或者喷砂时未按有关国家标准要求进行,如在高湿度环境中(如下雨天喷砂等)或者低温条件下,从而导致喷砂质量达不到要求;

2、 涂装施工间隔过长:由于各方面的原因造成施工间隔过长或长时间停工,在复工后,没有对已涂复的表面进行良好的处理就进行后续的工艺,造成涂层的剥离或分层,因为涂装间隔过长会影响附着力;

3、 不按材料的施工工艺要求,在环境温度低、湿度大而又没有采取保障措施的情况下赶工,鳞片材料的固化质量受到严重影响,给日后的使用带来了隐患。

4、 材料用量不足:恶性竞争必然带来2个后果,一是减低材质标准;二是用量下降或厚度的减薄。导致的后果是防腐蚀失效或服务年限的缩短。

5、 检测手段落后:许多施工单位连厚度检测仪、电火花检孔仪等基本的自检仪器都没有,势必自己放弃了质量的过程控制,而这是同“防腐蚀施工必须进行过程控制”的要求相违背的

3、 综述

ZAISHIFAYANQITUOLIUHUANBAOJISHU(FGD)BEIGUANGFANYINGYONGYUGEDA、ZHONGXINGHUOLIFADIANCHANG,BINGCHENGWEIGUONEIHUODIANCHANGYANQITUOLIUZHUDAOGONGYIJISHUDETONGSHI,WOMENTONGYANGYELEJIELESHIFAYANQITUOLIUZHUANGZHIJUYOUFUSHIHUANJINGKEKE、FANGFUSHIGONGCHENGLIANGDA、ZHUANGZHIFUSHIWEIXIUKUNNANDENGTEDIAN。CONGJINJINIANYIXIEYUNXINGDEYANQITUOLIUZHUANGZHIFASHENGFANGFUSHILINPIANCHENLISHIXIAOQINGKUANGKAN,QIYUANYINSHIXIANGDANGFUZADE,DANWULUNRUHE,DANDUIZHEIGEXINGYEDEJIANKANGFAZHANDAILAIBULIYINGXIANG,YOUSHEJIDAOJICHUGOUJIANSHEJI、FANGFUSHIGOUZAOSHEJI,LINPIANCHENLIDEXUANCAIHEHECHENG、XIANCHANGSHIGONGDENGZHUFANGMIANDEBUZU。ZHENDUIFANGFUSHILINPIANCHENLIDESHIXIAOXINGSHI,BENWENFENXILEYUANYIN,ZONGJIELEJINGYAN,TICHULEJIEJUEDUICE。RUGUONENGDUIHOUJIGUONEIHUOLIFADIANCHANGYANQITUOLIUZHUANGZHIDEFANGFUSHILINPIANCHENLIDECHENGGONGYINGYONGQIDAOPAOZHUANYINYUZUOYONG,JIUDADAOBENWENDEMUDELE。

ZONGZHIWEILEGENGHAODEGUIFANZHEIGEXINGYEDEYOUXUJIANKANGDEFAZHAN,CONGFGDZHUANGZHIDESHEJIKAISHI,BAOKUODUICAILIAOGONGYINGSHANGDEXUANZE、SHIGONGGONGSIDEXUANZEHESHIGONGGUOCHENGDEZHILIANGKONGZHIJUNSHIXIANGDANGZHONGYAODE,ZHIYOUZUOHAODUIMEIYIHUANJIEDEYOUXIAODEQUANMIANDEZHILIANGKONGZHI,CAINENGQUEBAOLINPIANCHENLIZAIFGDZHUANGZHIZHONGDEZHANGXIAOFANGFU,CONGERQUEBAOFGDGONGCHENGHEZHUANGZHIDEJINGJIXING、ZHANGXIAOXINGHEXITONGXING。

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