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改性高温玻璃鳞片胶泥涂料价格
点击次数:407 发布时间:2018-05-10

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大佬手赚网FUSHUNFADIANYOUXIANZERENGONGSI240MIJIUYANCONGDEGAIZAOCHENGGONGJINGYAN,JIANDANGUINAQILAIJIUSHI:ZHENGQUEDELINGDAOJUECE,DEFANGFUTULIAO,KEXUEDESHIGONGFANGANYIJIXIZHIDEXIANCHANGCAOZUO。XIAMIANJIUXIANGXIJIESHAOYIXIABENGONGCHENGDECHENGGONGJINGYAN:

一、防腐材料的选定

JIANYUFANGFUTULIAODETUCENGHOUDUKEYISUIGAOJIUDI,SHIGONGSUDUBIJIAOKUAI,GONGYIGUOCHENGRONGYIZHIGUANKONGZHI,XIUFUFANGBIAN,CONGJISHUJINGJIHEKECAOZUOXINGSHANGDOUBIJIAOHESHI,DANGUANJIANSHIFANGFUTULIAOCHANGJIADEXUANZEZHIGUANZHONGYAO。WOMENGONGSIJINGGUODALIANGDESHOUZIHESHAIXUAN,KAOCHAGELEIFANGFUCAILIAOCHENGGONGYUSHIBAIDEYINGYONGANLI,zuiZHONGQUEDINGXUANYONGSHANXISHENGTAIYUANSHIWANHONGYANCONGTEZHONGCAILIAOCHANGSHENGCHANDE、BINGYOUQISHANGJIDANWEITAIYUANSHIAOAIMUYANCONGCAILIAOYOUXIANGONGSI******JINGXIAODEOMXILIEFANGFUTULIAO。GAICHANGCAISHIZHENZHENGDE“OM”PINPAISHANGBIAOCHIYOUREN,ZAIGUOJIAGONGSHANGZONGJUZHUCEBEIANYIYOUSHINIAN。ZHIYOUPAICHULEJIAMAOWEILIEDECHANPIN,YANCONGFANGFUDEZHILIANGCAINENGDEDAOBAOZHENG。

二、施工工艺流程与关键部位的控制:

YOUYUTINGLUJIANXIUSHIJIANYOUXIAN,WOMENYEZHUFANGYUJIANLIDANWEIJILINSHENGHONGYUANDONGFANGDIANLIJIANSHEGONGCHENGGUANLIYOUXIANGONGSI、SHIGONGDANWEIHUAXIAGAOKONGFANGFUGONGCHENGYOUXIANGONGSIHEOMTULIAOCHANGJIATAIYUANSHIAOAIMUYANCONGCAILIAOYOUXIANGONGSIDEDAIBIAOYIQIYANJIUBUSHU,CHONGFENKAOLVLEXIANCHANGTIAOJIANHEKEXUELIYONGCAOZUOPINGTAI(SHIGONGCAIYONGDESHIGAOKONGZUOYEZHUANYONGHUANXINGSHUANGCENGDIAOLAN,NEICENGZUOWEIRENYUANHECAILIAOYUNSHUSHIYONG,WAICENGZUOWEISHIGONGCAOZUOSHIYONG,BINGKETONGGUOANZHUANGDIAOZHENGXUANBEILAISHIYINGYANCONGNEIDEZUOYEBANJING),CONGZHONGBUJIANGYANCONGFENWEISHANGXIALIANGGEBUFENJINXINGSHIGONG,ZUZHIANPAIBAIBANHEYEBAN2BANDUIWU、24XIAOSHIBUTINGDUNJINXINGZHOUYESHIGONG,ZHEIYANGJINENGBAOZHENGOMTULIAOZAIGUHUAGUOCHENGZHONGSUOXUYAODEJISHUJIANXIESHIJIAN,YOUNENGBUSHICAOZUOPINGTAIZUOYEXUANBEIDEANZHUANGCHAICHUGUOYUPINFANXINGCHENGWOGONG,CONGERHELIYOUXIAODEANPAIHAOLEGONGQI,BAOZHANGLEANQUAN,BINGANQISHUNLIWANCHENGLERENWU。XIAMIANBAFANGFUSHIGONGZHONGDEYIXIEZHONGYAOJIEDIANYUSHIGONGFANGFAJIESHAOYIXIA:

1、YANCONGFANGFUSHIGONGKAISHIHOU,XIANQINGCHUZHUANNEICHENBIAOMIANJICUNDEFUHUI,YIJIFUZHEDEQITAZAWU,BATUCHUDEBUFENJIBENCHANPING。YOUQISHIZHUANFENGBUWEI,BIXUBAZHUANFENGLIMIANDEFUHUIHESONGDONGDESHAJIANGYEYAOQINGLIGANJING,ZHEIYANGCAINENGBAOZHENGTUCENGDEYOUXIAOZHANJIE(CANJIANTU1、TU2)。JICENGQINGLISHIFOUZHENZHENGDABIAOSHIYANCONGFANGFUCHENGBAIDEZHONGYAOGUANJIAN,XUYAOZHILIANGJIANDURENYUANYOUGAODUDEZERENXIN。RENZHENDUOCIJIANCHAHEXIANCHANGCAOZUORENYUANDEQUANLIPEIHE,MEIYIDAOGONGXUBIXUDABIAOBINGQIANZHENGHOUCAIYUNXUJINXINGXIAYIDAOGONGXUSHIGONG。

 

2燃煤电站有色烟羽产生机制

脱硫后的烟气之所以会呈现蓝烟或黄烟,是因为煤在燃烧过程中产生了较多的SO2,SO3和NOx等污染物,与水分及细微的烟尘颗粒物凝聚成一种粒径与蓝光、黄光波长相当的气溶胶细颗粒物,被与其光波相当的细颗粒所散射。烟羽拖尾越长,意味着细颗粒质量浓度越高。烟羽的色度主要受烟气中可凝结物和亚微米颗粒质量浓度的影响。有色烟羽的产生应具备污染物条件和气象条件。

2.1污染物条件

大多数情况下,湿法脱硫后烟气中存在SO3,形成的硫酸气溶胶的质量浓度超过71.4mg/m3时,会出现可见的蓝色烟羽,硫酸气溶胶的质量浓度越高,烟羽颜色越浓、长度也越长;同时,硫酸气溶胶会在大气中形成细颗粒物(PM2.5),导致雾霾加重。当烟气中存在大量的NO2时,NO2在光照条件下发生光化学反应,造成O3的累积,O3本身呈现蓝色,且具有强氧化性,将烟气中的SO2氧化为SO3,导致硫酸气溶胶的生成;同时,烟气中NO2与H2O发生反应,生成硝酸气溶胶。

2.2气象条件

气象条件也是造成燃煤电站有色烟羽现象的主要条件之一。当污染物所在大气区域结构稳定、风速较低、大气扩散性能较差时,易造成污染物的积累;太阳辐射强度大,引发O3产生率高,且存在逆温现象,就会导致烟囱排放有色烟羽。

烟气中产生有色烟羽现象的气溶胶的粒径非常小,易产生光线散射。颗粒的尺寸和可见光的波长接近,属于瑞利散射,瑞利散射的特点是散射光的强度与波长的四次方成反比,因此短波的蓝色光线散射要比长波的红色光线强许多,使得阳光照射的反射侧的烟羽呈现蓝色,而在烟羽的另一侧(透射侧)呈现黄褐色。

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