镀锌钝化方法概述

:20070910:(1964-),,,,,,(,,030027);;,,,,,,1,,,11111123CrO3,g/L53-55HNO3,mL/L5-83H2SO4,mL/L015-1013ZnSO4,g/L1-2KMnO4,g/L1CH3COOH,mL/L3pH1-116,15-30,S5-10,112(1),;,,,,,,,,(2),,;,,,(3),,,,,,,,,,(4),,,,,,,(5)15-30,;,,33200712,,10s-15s,,60-70,,113(2)21pH2Cr3+Cr3+3H2SO445pH1-116Cr3+H2SO412pH3H2SO4456pHH2SO4123HNO3HNO32,,,,,,,,211CrO3,g/L30(30-56)H3PO4(d=1170),mL/L10(10-19)H2SO4(d=1184),mL/L5(4-9)HNO3(d=1142),mL/L5(5-7)HCl(d=1119),mL/L5Zn,g/L2()pH1-115(019-2)Cr6+/Cr3+415,18-21(),s60-120:212,,,,,(1),,7m3m,,(2),,10,,,(),(3),,,:CrO3;HNO3,,;,H3PO4;,H2SO4(4),,,(5),,,Na2S,,(6),,,,3311(1)CrO3,g/L1-5HNO3,mL/L015-1BaCO3,g/L015-1pH115,10-404320076,s10(2)CrO3,g/L2-5HNO3(d=1142),mL/L30-50H2SO4(d=1184),mL/L10-15CrCl36H2O,g/L2-5NaF,g/L2-4,s2-10,5-15:;,012g/L-015g/L(60-80),312(1),,,,,(2),,,,,,,,(3),,,,,(4),,,(5),,,Cr6+Cr3+,Cr3+(6),(7),;,,pH,5-15,313(3)312pH34Zn2+Cr3+56HNO3H2SO4HNO312H2SO43H2SO41HNO3234HNO31CrO3,2345HNO3,,44412345,g/L30040,mL/L600,g/L402070-80,g/L2010,g/L126,g/L2010,g/L4215-17,g/L15-20,g/L15-17,g/L2HKS-916A,mL/L100-200HKS-916B,mL/L8pH116-212,30-4020-4050-65,min1010-25015-12-33-5:HKS916AHKS916B53200712:5,,,511(1)1HKS-40mL/LpH116-21215-30s80-100:HKS-,(2)2RODIPZN248-B80-100mL/LHNO3,pH118-21221-3220-30s(3)340-60mL/LCorroTriBlue1ExtremepH117-21218-3230-90s:RODIPZN248-BCorroTriBlue1Extreme()(4)4ZG-203100mL/LpH115-212(HNO3NaOH)20(15-25)40s(15-60s),:pH117,;pH212,,ZG-203(5)5FK-51110mL/LHNO310-20mL/LpH1-11510-20s:FK-511pH,,PO43-,,,,,,FK-511,5mL/L,HNO3NaOHpHFK-5112-4mL/100dm2,;,pH,;pH,,,pH;pH,,,,,FK-511,FK-421,24-48,,512(1)1HKS-100mL/LpH116-212-6030-60s80-100:HKS-(2)2EcoTri108-132mL/L(EcoTri)(153-187g/L)(Cr3+)9-11g/L632007615g/L100ppm1ppm1ppm55-80pH118-21030-90s,20s:EcoTri(),,,EcoTri;1m2,12-25mLEcoTri110g/L(Cr3+),12mL/LEcoTri5g/L,1g/LEcoTriS(EcoTriAdditveS);1g/L,2g/LEcoTriSECOTRI55ECOTRIpHpH118-2101pH23pH118-210/1Cr3+(910g/L)23554pHCr3+55-80pH118-210/1Cr3+(11g/L)23804pHCr3+()55-80pH118-2101Cr3+234pH55g/L6100ppm71ppmCr3+55-80pH118-210ECOTRISpH,(3)3FK-501A35mL/LFK-501B25ml/LHNO3(63%)10-20mL/LpH210-21520-3560-120s:FK-501pHpH210,015-5pHpH,CP20%NaOHpH,,;pH,,,,pH,,FK-501,,2/3lv:15-25ml/m2FK-501lw,FK-421,24-48,,,,,,,pHpHpH,,,,(24)73200712:2,,,,,,,,,3-7,,,,,,(),,,,,,,,,,,,95%,50%,,,40%-50%50m20m-30m50m-70m80m-100m50m-70mApplicationforPowderPaintingOnFireproofDoorWeiMinxi(Jiangxichaoyangmachineryplantofchinastateshipbuildingcorporation,JiangxiPengze,332700)AbstractTocomparetheapplicationofairsprayandpowdersprayonfireproofdoor,canseethedifferenceofbothmeansTherefore,ithaveanimportantmeaningtouseadvancedtechnologyinenvironmentalprotection,economizeonenergyandreducewastage,enhanceworkproductivityandimproveworkcondition1Keywordspowercoating;paintingtechnology;environmentalprotection(37)OutlineaboutPassivatingMethodsofGalvanizingHuangYongbing(JinximachineindustrygroupCo1,Ltd,ShanxiTaiyuan,030027)AbstractThispapersimplyintroducedthesemethodsofrainbowpassivatingmilitarygreenpassivatingblue-whitepassivatingblackpassivatingCr3+passivatingforgalvanizing1Keywordsgalvanizing;passivating;cleanerproduction4220076