资源描述:
《碳钢管酸洗和钝化工艺》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、碳钢管酸洗和钝化工艺PicklingandpassivationtechnicsforCarbonsteelpipe工艺材料:工艺流程:产品名称Nameofproduct产品代号Codenameofproduct主要成分Bases功能用途Capacityandapplication除锈剂RustremoverCA-66盐酸、缓蚀剂Hydrochloric,Corrosioninhibitor除锈、除氧化皮Rustcleaning,Oxideskincleaning.除锈助剂PicklingadditivesBR-101A表面活性剂等
2、Surfaceactiveagent,etc.脱脂,增强酸洗能力。Strengthentheacidpicklingcapacity.酸雾抑制剂AcidfoginhibitorBN-111JFC,十二烷基硫酸钠JFC,sodiumdodecylsulfate,etc抑制酸雾挥发Controltheacidfogvolatilize.白钢酸洗剂StainlesssteelpicklingagentBL-612硝酸、植酸等Nitricacid,Phyticacid,etc白钢表面酸洗及钝化Picklingandpassivationof
3、thestainlesssteel皮膜钝化剂PassovatorTS-300三乙醇胺,碳酸钠等Trolamine,soda.etc封闭金属表面,形成保护膜。Sealoffthemetalsurface,fromaresistfilm.除锈除油二合一处理→中和处理→皮膜钝化处理→自然干燥→管件外部涂防锈剂。Process:Rustremovingandoilcleaningatonetime→Neutralization→passivation→Naturaldrying→CoatthepipeoutsidewithAntirust.
4、(1)防锈除油二合一处理槽:Rustremovingandoilcleaningtank:按体积比:BR-101A:CA-66:水=1:6:3配制工作液。当大气气压低或者天气有雾时,按1%向槽内加入BN-111酸雾抑制剂,用来控制槽液酸雾挥发。Astheratiobyvolumetomaketheworkingsolution.Whentheatmosisloworthereisanyfog,add1%AcidfoginhibitorBN-111byvolume.(1)中和处理槽:NeutralizerTank:春、夏、秋季时:按重
5、量比8~10%加入中和剂BH-008配制工作液。冬季气温低时:按比重3~5%加入TS-300配制工作液。春夏秋工件以中和为主;冬季以清洗为主。Intheseasonofspring,summerandautumn:AddNeutralizerBH-0088~10%byweighttomaketheworkingsolution.Inwinter,whenthetemperatureislow:AddPassivatorTS-3003~5%byweighttomaketheworkingsolution.(2)皮膜钝化处理槽:Pass
6、ivationtank:按重量比10~15%加入水质调节剂TS-300配制工作溶液。AddPassivator10~15%byweighttomaketheworkingsolution.工作槽液的工艺参数:technicdatafortheWorkingsolutionliquidinthetanks:除锈除油二合一处理槽:常温浸渍,时间:30~90min,PH值≤1.5Rustremovingandoilcleaningtank:soakageatthenormaltemperature,time:30~90min,PH≤1.5
7、.中和槽:春夏秋季:PH≧12,常温浸渍时间3~5min;冬季PH≧9,浸渍时间3~5min,温度30℃左右。NeutralizerTank:Intheseasonofspring,summerandautumn:liquidPHPH≧12,soakagetime3~5min;InwinterPH≧12,soakagetime3~5min.workingtemperatureabout30℃.皮膜钝化处理槽:PH值≧10常温浸渍时间5~10min。Passivationtank:LiquidPH≧10.soakagetime5~10
8、min.操作工艺规程:Workingengineeringprocedure.(1)向挂具筐内摆放钢管工件时,尽量考虑管内溶液容易排放掉。Whenputpipesintheworkingbasket,pleaseconsidertha