灰水系统管道阀门损毁原因分析与对策

:2006-01-04:2006-03-07,(,253024):,,:/;;:TQ050.9;TQ055:A:1004-9614(2006)03-0022-03ReasonsforDamageofPipingsandValvesinAshWaterSystemandAdoptionofPreventiveMeasuresZHOUXia,GAOShu2ping(ShandongHualu2HengshengChemicalCo.,Ltd,Dezhou253024,China)Abstract:Aimedatthephenomenonofcorrosionandperforationinashwatersysteminthecoal2waterslurrypressuredgasificationtech2nology,thispaperanalyzedthereasonsfromelectrochemistrycorrosionandwearcorrosion,andpresentedtheCountermeasuresfrommate2rialusing,structurereforming,processandequipmentmanagement,etc.Keyword:blackwater/ashwater;corrosion;countermeasure03105t2002912,,615MPa3,200410,,1a,,710d,,,11220250610MPa018MPa,220250610MPa018MPa,H2OCO2//018MPa0105MPa,110,,,,57,,12,PH11mmolL-1mmolL-1Cl-mgL-1CN-mgL-1pHmgL-12005-03-2641248168115011581018562005-05-177140181018410011971737062005-07-191313017101841001197194298H2OH2SNH+4CN-Cl-CO2-3,,,20063PipelineTechniqueandEquipment2006No13211,,CO2H2SHClHCOOH21111CO2CO2,CO2,Fe,CO2,Fe3O400Cr19Ni10,CO2[1],,CO221112H2SH2S,FeFeS.PH6,FeS,H2S,,,,,012%015%,H2S,H2S21113HClHCl,,,,HCl,,,21114HCOOHHCOOHHCl,,HCOOH,2CO+H22HCOOH,710MPa,HCOOH[2]518613MPa,HCOOH212,,,,,[3-4]21211,,(SiO2),,,,,,[5],,,,,,,,,,SiO2,,,,,,,,,,,,,,,,21212,,,,,,,,,;,00Cr19Ni10,,3,;,,3:23,,,,311,,,,,3,,,DN16Sch10sSch80,[6],,,312,,,2,2,,,,,,,,,,2,,,313,,[7],,,,70%80%,,,314,,,31520054,2030m3/h,20m3/h,2000mg/L,200549,,20m3/h,,,4000mg/L(1),,,,[1]..2005-11-29.http:=TY2003M7D28H161528.[2],,,.PH.,2003(4):40-45.[3]..,1999(4):26-31.[4],,..,2001(4):35-38.[5].().:,2002.[6],,,..,2000,12(5):264-268.[7],,,..,2002(2):16-19.:(1968),,(15),4,,CPU,,[1].C++.:,2002.[2].Windows.,2002,22(8):9-11.[3]..,2004(6):16-19.:(1979),,24PipelineTechniqueandEquipmentJun12006