紫铜基片上液相沉积二氧化硅薄膜地热水防垢防腐特性

紫铜基片上液相沉积二氧化硅薄膜地热水防垢防腐特性

ID:39145110

大小:2.94 MB

页数:73页

时间:2019-06-25

紫铜基片上液相沉积二氧化硅薄膜地热水防垢防腐特性_第1页
紫铜基片上液相沉积二氧化硅薄膜地热水防垢防腐特性_第2页
紫铜基片上液相沉积二氧化硅薄膜地热水防垢防腐特性_第3页
紫铜基片上液相沉积二氧化硅薄膜地热水防垢防腐特性_第4页
紫铜基片上液相沉积二氧化硅薄膜地热水防垢防腐特性_第5页
资源描述:

《紫铜基片上液相沉积二氧化硅薄膜地热水防垢防腐特性》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库

1、▲~ABSTRACTGeothermalWaterisanewsourceofenergy,0wninglotsOfadvantages,1ikewidespread,lowcost,directutilizationandlittleenvironmentpollution.Foulingandcorrosionemergedduringtheuseprocesswasdetrimental,resultinginthedecreaseofheattransfereiliciencyandWateryield,theincreaseOfen

2、ergyandmatefialconsumption,andpotentialSafetydanger.Atpresent,themethodsusedbYtheresearcherstomitigatefoulingandcorrosionfocusedonaddingchemicalinhibitorsintoWaterorcoatedtheSurfacesWithorganicCoatings.Buttheenvironmentalpollutionwascausedandthethermalresistancewasincreased

3、,furthermore,coatingswereeasytOdeterioratewitllageing.Therefore,furtherStudyWasnecessaryforfindingnewmethodsofanti-foulingandanti-corrosion.Researchshowedthattheadhesionoffoulingcouldbegreatlyaffectedbythesurfaceenergyofheattransfersurface,andtheattachmentoffoulingcouldbela

4、rgelyreducedwitllthedecreaseofsurfaceenergy.So,inthispaper,Si02thinfilmwiththemicronanometerthicknesswaspreparedoncoppersubstratesamplesbyLiquidPhaseDepositionmethodtoreducethesurfaceenergyforanti-foulingandanti—corrosionofgeothermalWaterinheatexchangers.TheeffectOfthinfilm

5、0ntheheattransferefficiencycouldbeneglected.Inaddition,WiththepropertiesofgoodCorrosionresistanceandabrasiveperformanceOfSi02thinfilm,theeffectofanti-corrosioncouldbereachedbesidesanti-fouling.Inthispaper,liquidphasedepositionrateofSi02thinfilmasafunctionoftheconcentrations

6、offluosilicate,boricacid,temperatureandtimewereinvestigated.Surfaceroughness,morphology,Composition,thicknessandSurfaceenergyweremeasuredandcharacterized,andoptimaldepositionconditionswereobtained.ThestaticSimulationfoulingexperimentWascarriedoutusingSupersaturatedCaC03solu

7、tionpreparedbyNaHC03andanhydrousCaCl2.Foulingdepositionrateanditsmorphologyunderdifferenttemperaturesandtimewerestudied,anditshowedthattheanti.foulingpropertyofthesamplesmodifiedwithSi02thinfilmwasbetterthantheuntreatedandpolishedSamples.Theanti—corrosiontestWasconductedbYi

8、mmersingsamplesinrealgeothermalwater,andthedependenceofetchingrateondifferenttempe

当前文档最多预览五页,下载文档查看全文

此文档下载收益归作者所有

当前文档最多预览五页,下载文档查看全文
温馨提示:
1. 部分包含数学公式或PPT动画的文件,查看预览时可能会显示错乱或异常,文件下载后无此问题,请放心下载。
2. 本文档由用户上传,版权归属用户,天天文库负责整理代发布。如果您对本文档版权有争议请及时联系客服。
3. 下载前请仔细阅读文档内容,确认文档内容符合您的需求后进行下载,若出现内容与标题不符可向本站投诉处理。
4. 下载文档时可能由于网络波动等原因无法下载或下载错误,付费完成后未能成功下载的用户请联系客服处理。