不锈钢方管酸洗钝化的作用,酸洗钝化同样可以用在不锈钢水管_企业新闻_佛山宽裕不锈钢有限公司

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不锈钢方管酸洗钝化的作用,酸洗钝化同样可以用在不锈钢水管

文章出处:宽裕不锈钢更新时间:2018-10-09 17:10:59文章阅读量:

王中王三肖选一肖 BUXIUGANGFANGGUANSUANXIDUNHUADEZUOYONG,RUTONGGUODIANHUAXUEGAIXINGCHULI,KESHIDUNHUAMOJUYOUDUOCENGJIEGOU,ZAIZUDANGCENGXINGCHENGCrO3HUO Cr2O3,HUOXINGCHENGBOLITAIDEYANGHUAMO,SHIBUXIUGANGNENGFAHUIZUIDADENAISHIXING。   

王中王三肖选一肖 GUONEIWAIXUEZHEDUIBUXIUGANGDUNHUAMODESHENGCHENGJINXINGLEDALIANGYANJIU。YIJINJINIANBEIJINGKEDADUI 316LGANGDUNHUAMOGUANGDIANZINENGPU (xps)YANJIUWEILIZUOJIANSHU[1]。BUXIUGANGDUNHUASHIBIAOMIANCENGYOUYUMOUZHONGYUANYINRONGJIEYUSHUIFENZIDEXIFU,ZAIYANGHUAJIDECUIHUAZUOYONGXIA,XINGCHENGYANGHUAWUYUQINGYANGHUAWU,BINGYUZUCHENGBUXIUGANGDE cr、 Ni、MoYUANSUFASHENGZHUANHUANFANYING,ZUIZHONGXINGCHENGWENDINGDECHENGXIANGMO,ZUZHILEMODEPOHUAIYUFUSHIDEFASHENG。QIFANYINGLICHENGWEI: Fe•H20+O*≈[FeOH•O*]ad+H++e [FeOH•O*]ad≈[FeO•O*]ad+H++e [FeO•O*]ad+H2O≈FeOOH+O*SHIH++e  [FeO•O*]ad≈FeO+O*  FeOOH+Cr+H2O≈CrOOH+Fe•H20 2FeOOH≈Fe203+H20 2CrOOH≈Cr203+H20  MO+3FeO+3H2O≈MOO3+3Fe•H2O Ni+FeO+2H20≈NiO+Fe•H20  (QIZHONGOsBIAOSHIDUNHUAGUOCHENGZHONGDECUIHUAJI,QIEZAIDUNHUADINIEZHONGNONGDUBUBIAN,adBIAOSHIXIFUZHONGJIANTI。)  KEJIAN,316LDUNHUAMOZUIBIAOCENGCUNZAIFe2O3、Fe(OH)3、HUOγ -FeOOH、Cr203、CrOOHHUOCr(OH)3、MOYIMOOXINGSHICUNZAI,DUNHUAMOZHUYAOCHENGFENWEICrO3、FeOYUNiO。   3 .BUXIUGANGSUANXIDUNHUADEFANGFAYUGONGYI  3.1SUANXIDUNHUACHULIFANGFABIJIAO   

BUXIUGANGSHEBEIYULINGBUJIANSUANXIDUNHUACHULIGENJUCAOZUOBUTONGYUDUOZHONGFANGFA,QISHIYONGFANWEIYUTEDIANJIANBIAO1. 3.2SUANXIDUNHUACHULIPEIFANGJULI  3.2.1YIBANCHULI[2]  GENJUASTMA380—1999,JINYI300XILIEBUXIUGANGWEILI, (1)SUANXI  YAOJIHNO36%~25%+HF0.5%~8%(TIJIFENSHU); WENDU21~60℃;SHIJIANANXUYAO;  HUOYAOJININGMENGSUANAN5%~10%(ZHILIANGFENSHU); WENDU49~71℃;SHIJIAN10~60min。 (2)DUNHUA  YAOJIHNO320%~50%(TIJIFENSHU);  WENDU49~71℃;SHIJIAN10~30min; HUOWENDU2l~38℃;SHIJIAN30~60min;  HUOYAOJIHNO320%~50%+Na2Cr207H2022%~ 6%(ZHILIANGFENSHU); WENDU49~54℃; SHIJIAN15~30min; HUOWENDU21~38℃;SHIJIAN30~60min。 (3)CHULINSUANXI  YAOJIH2SO48%~11%(TIJIFENSHU); WENDU66~82℃;6CUNJIAN5~45min;  JIYAOJIHNO36%~25%+HF 0.5%~8%(TIJIFENSHU); WENDU21~60℃;  HUOHNO315%~25%+HFl%—8%(TIJIFENSHU)。 3.2.2GAOJIFACHULI  (1)YIGUANGZHOUSHIHUANIAOSUBUXIUGANGXINSHEBEINEIBIAOMIANHANFENGJIMUCAIDUNHUAHEWEIXIUBIAOMIANDAMOHANFENGDEJUBUDUNHUAWEILI[3] SUANXIGAO:  25%HNO~+4%HF+7l%LENGNING SHUI(TIJIFENSHU)YU BaSO,DIAOZHIHUZHUANG。 DUNHUAGAO:  30%HNO3HUO25%HNO3+1%(ZHILIANGFENSHU)K2Cr207YUBaSO7DIAOZHIHUZHUANG。  TUFUBIAOMIAN5~30min,YONGLENGNINGSHUICHONGXIZHIpH=7,DUIDANTAISHEBEIYEKECAIYONGPENSASHUANGYANGSHUIDEHUAXUEDUNHUAFA。  (2)YISHANGHAIDAMINGTIEGONGCHANGZHUANLImWEILI。 SUANXIDUNHUAGAO:  HN038%~14%(ZUODUNHUAJI); HFl0%~15%(ZUOFUSHIJI); 

王中王三肖选一肖 YINGYUESSUANMEI2.2%~2.7%(ZUOZENGCHOUJI)  XIAOSUANMEI60%~70%(ZUOTIANLIAO,TIGAOZHANFULIYUSHENTOUXING);[page] DUOJULINSUANNA2.3%~2.8%(ZUOHUANSHIJI); SHUI(DIAOJIEZHANDU)。  3.2.3 DIANHUAXUEFACHULI  YISHAMENDAXUEZHUANLI[5]WEILI,QICHULIFANGFASHI:JIANGDAICHULIDEBUXIUGANGGONGJIANZUOYANGJI,KONGZHIHENGDIANWEIJINXINGYANGJIHUACHULI,HUOZHEJIANGBUXIUGANGGONGJIANXIANZUOYINJI,KONGZHIHENGDIANWEIJINXINGYINJIHUACHULI,ZAIJIANGBUXIUGANGGONGJIANZUOYANGJI,KONGZHIHENGDIANWEIJINXINGYANGJIHUACHULI, BINGJIXUGAIBIANQIHENGDIANWEIJINXINGDUNHUACHULI,DIANJIEZHIRONGYEJUNCAIYONGHN03。JINGZHEIYANGCHULIHOU,BUXIUGANGDUNHUAMOXINGZHIDEDAOGAISHAN,NAISHIXINGNENGDADATIGAO。DIANSHILINJIEDIANWEI (Eb)TIGAOYUE1000mV(ZAI3%NaClZHONG),KANGJUNYUNFUSHIXINGNENGTIGAOSANGESHULIANGJI(ZAI45℃DE20%~30%H2S04ZHONG)。

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