意甲下注网站

行业动态

当前位置: 意甲下注网站 > 意甲下注网站 > 行业动态 >

浅谈电厂冷却塔防腐的一些问题

日期:2019-01-27 / 文章来源:冷却塔防腐

冷却塔防腐一直以来是一个比较严重的话题,困扰着多数厂家以及企业。如何对冷却塔进行防腐问题。

MUQIANLENGQUETAFANGFUYAOQIUJIAOGAODEGONGYEDOUPUBIANXUANZEBOLIGANGLENGQUETA,YUANYINSHIBOLIGANGZHIZUOCHENGDEFANGFUNENGLI、NAIGAOWENYIJIYINGDUDENGFANGMIANDOUBIJIAOQIANG,GENGNENGSHIHEGONGYEZHANGQISHIYONG。RANHOUZAIGUANBANYULIEGUANDEHANJIECHUKEYITUFANGXIUQILAIBAOHU,CAIYONGTIANJIAYOUJISUANHESHAJUNJILAIFANGFUSHI。

冷却塔防腐的主要作用

GENJUPAIYANLENGQUETADEFUSHIJILIYULENGQUETAFANGFUTULIAODEJIBENXINGNENG,QUEDINGKEXINGDELENGQUETAFANGFUSHIGONGGONGYISHIBIYAODE,TONGGUOHELILENGQUETAFANGFUSHIGONGGONGYIDESHISHIKEYIYOUXIAODETIGAOFANGFUCAILIAOYUHUNNINGTUMIANDEJIEHEXIAOGUO,ZENGQIANGLENGQUETAFANGFUCAILIAODEYOUXIAOXINGNENG,CONGERZENGJIAPAIYANLENGQUETADESHIYONGSHOUMING。

1、问题的提出

意甲下注网站 WOGUOJINGJIJIANSHEFAZHANDUIDIANLIDEXUQIURIJIANMINGXIAN,HUOLIFADIANCHANGDEJIANSHEGUIMO、JIZURONGLIANGZAIBUDUANZENGDA、JIANZHUWUGAODUBUDUANZENGGAO,SHIDECHENGSHIZHOUBIANDEDIANCHANGYANCONGCHENGWEILEHANGKONGDEYIDAYINHUAN。

YINCI,XINXINGDEYANTAHEYIJISHU(JIYANCONGZHIYULENGQUESHUITAZHIZHONG)CHENGWEILEXIANZAIHUOLIFADIANCHANGDEXINCHONG,TABUJINMANZUFADIANXITONGDEZHENGCHANGGONGZUO,YOUJIEJUELEYANCONGGUOGAOYINGXIANGHANGKONGDEWENTI,TONGSHIJIANGDILEJIANSHECHENGBEN。ZHEIZHONGXINGONGYISUIRANYOUZHUDUOYOUYUEXING,DANTONGSHIYETICHULERUHEBAOZHENGYANTAHEYIJIANZHUJIEGOUDENAIJIUXINGHETIGAOJIANKANGSHOUMINGDEWENTI。

意甲下注网站 TONGGUOYU300MWJIZUPEITAO、TAGAO105mHUNNINGTUPAIYANLENGQUETADESHIGONGGUANLISHIJIAN,TANTAOCAIQUKEXINGDELENGQUETAFANGFUSHIGONGGONGYI,FANGZHILENGQUETAJIEGOUFUSHIPOHUAIDEFASHENG。

2、排烟冷却塔的腐蚀机理

PAIYANLENGQUETAZHONGPAIRUDEJINGGUOTUOLIU、TUOXIAODEYANQIYIWEIJIEJINGYANQI,DANBUKENENGCHUJINDESO2、SO3、HClYIJIDALIANGDECO2DENGQITIYUSHUIZHENGQIJIEHEHOURENGJUYOUJIAOQIANGDEFUSHIZUOYONG。YANCHENZHONGDEFUSHIXINGJIEZHIBUDUANRONGRUDAOSHUIJISHUIZHENGQIZHONG,CHENGRUOSUANXINGDEYEDIJIANGDUITATIDENGHUNNINGTUJIEGOUCHANSHENGFUSHIHEPOHUAI。BUJINYANQIDEJIERUSHITONGBININGJIESHUISHUIZHIDEpHZHICHENGSUANXING,ERQIEYANQIZHONGDEFUSHIJIEZHIZAIZIWAIXIANZUOYONGXIAJIANGJIAJUTATIJIEGOUDEFUSHIZUOYONG。ZAOCHENGPAIYANLENGQUETAGANGJINHUNNINGTUJIEGOUDEFUSHIZHUYAOYOUYIXIAJIZHONG:

2.1LIUSUANGENLIZIFUSHI

意甲下注网站 JINRULENGQUETAYANQIZHONGDESO2、SO3YUSHUIZHENGQIHUNHE,FENJIECHENGYALIUSUANGENLIZI、LIUSUANGENLIZIHEQINGLIZI(SO32-、SO42-、H+)YUHUNNINGTUZHONGJIANXINGWUZHIQINGYANGHUAGAIFASHENGFANYING,SHENGCHENGYALIUSUANGAI。CONGERZAIHUNNINGTUJIEGOUNEIBUCHANSHENGJUDAJIEJINGYASHIHUNNINGTUPENGZHANGERKAILIE。

2.2TANHUAZUOYONG

意甲下注网站 YOUYUHUNNINGTUWEIJIANXINGWUZHI,QIYEXIANGPHZHIWEI12.5-13.5,BAOHUGANGJIN。DANGYANQIZHONGDECO2YUHUNNINGTUZHONGDECa(OH)2FASHENGFANYING,SHENGCHENGTANSUANGAI,PHZHIZAI9YIXIASHI,GANGJINBIAOMIANDUNHUAMODEXIAOSHI,XIUSHIJIUFANGSHENGLE。

2.3LVLIZIFUSHI

LVLIZISHIGANGJINZUIQIANGLIEDEHUOHUAJIZHIYI,JINRULENGQUETADEYANQIZHONGCUNZAILVHUAWU(HCl),DANGLVLIZISHENTOUDAOGANGJINBIAOMIANBINGDADAOYIDINGNONGDUSHIHUISHIDEJUBUBAOHUMOPOHUAI,CHENGLEHUOHUATAI。ZAIYANGHESHUICHONGZUDETIAOJIANXIA(LENGQUETANEIBUQIAQIAJUBEIZHEIZHONGTIAOJIAN),HUOHUADEGANGJINBIAOMIANJIUKENENGCHUXIANFUSHI。

2.4ZIWAIXIANZUOYONG

YOUYUPAIYANLENGQUETAYANQIDEYINRU,ZAIZIWAIXIANDEFUSHEZUOYONGXIA,SHUIZHENGQIYUYANQIHUNHEWUZAILENGQUETAHOUBUYISHANGQUYUXINGCHENGYUANZITUAN,DUILENGQUETAHOUBUYISHANGDETONGBINEIBIAOMIANHUICHANSHENGJIAODAHUAXUEYINGLI,JIANGJIAJUTATIJIEGOUDEFUSHIZUOYONG。

2.5WEISHENGWUFUSHI

WEISHENGWUDEFUSHI,BENZHISHANGSHI“SUANHUA"ZUOYONG。DIANXINGDESHI“LIUSUANYANJUN",NENGJIANGHUANJINGZHONGDELIUYUANSU(S)ZHUANHUACHENGLIUSUAN。SHIHUNNINGTU“ZHONGXINGHUA"HESUANHUA,JINERYINQILIUSUANYAN“PENGZHANG"FUSHIHEGANGJINXIUSHI。