Intsimbi engatyiwayo idume ngokuxhathisa umhlwa, ukuqina, kunye nokugqiba kwayo okucocekileyo. Nangona kunjalo, ngexesha leenkqubo zokuvelisa ezifana ne-welding, ukusika, kunye nokuyila, umphezulu wayo unokuchaphazeleka ngomlinganiselo, i-oxides, okanye ukungcoliswa kwentsimbi. Ukubuyisela kunye nokwandisa ukuxhathisa ukubola, iinkqubo ezimbini ezibalulekileyo emva konyango zisetyenziswa:ukukhakwayeukuthandabuza.
Kweli nqaku, siza kuphonononga ukuba ezi nkqubo zibandakanya ntoni, kutheni zibalulekile, kwaye zahluke njani. Nokuba ukwisakhiwo, ulungisa ukutya, okanye usenza i-petrochemical, ukuqonda ukucolwa kunye nokudlula kubalulekile ekuqinisekiseni ukusebenza kwexesha elide kwentsimbi engatyiwayo.
Yintoni Ukukha?
I-Pickling yinkqubo yemichiza esusayoizinto ezingcolisa umphezuluezifana isikali weld, umhlwa, ubushushu tint, kunye oxides ukusuka kumphezulu steel stainless. Le nkqubo ngokuqhelekileyo isebenzisa isisombululo se-nitric acid kunye ne-hydrofluoric acid ukuchithwa kweekhemikhali ukungcola okungenako ukucocwa ngoomatshini.
Indlela iPickling esebenza ngayo:
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Insimbi engenasici iphathwa ngesisombululo se-asidi (ngokuqhelekileyo ngokuntywiliselwa, ukuxubha, okanye ukutshiza)
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Isisombululo siphendula ngeeoksidi kunye nesikali kumphezulu wesinyithi
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Ezi zingcolisi ziyanyibilika kwaye zihlanjululwe, ziveze umphezulu ococekileyo, ongenanto yentsimbi
I-Pickling ibalulekile xa intsimbi engenastainless iphathwe bubushushu okanye idityanisiwe, njengoko ubushushu budala umaleko weoksidi emnyama enokuthi yonakalise ukuxhathisa komhlwa ukuba ayilungiswanga.
Yintoni iPasivation?
I-Passivation yinkqubo yeekhemikhali eyahlukileyo eyongezaumaleko oxide yendalophezu kobuso bentsimbi engenasici. Ngelixa i-pickling isusa ungcoliseko, i-passivation yakha ifilimu etyebileyo yechromium ekhusela izinto ekudlekeni.
Indlela iPasivation esebenza ngayo:
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Intsimbi ecocekileyo ecocekileyo iphathwa ngei-nitric acid okanye i-citric acidisisombululo
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I-asidi isusa i-iron yamahhala kunye nezinye iincinci zangaphandle ezivela kumphezulu
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Ibhityile, iyunifomuumaleko wechromium oxideiifom ngokuzenzekelayo xa kukho umoya okanye i-oxygen
I-passivation ayisusi isikali okanye i-oxide layers. Ngoko ke, iyenziwa rhoqoemva kokuvunaukubonelela ngokuxhathisa umhlwa.
Umahluko oPhakathi kokuPickling kunye nePassivation
Nangona zombini iinkqubo zibandakanya unyango lwe-asidi, zikhonza iinjongo ezahlukeneyo:
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Ukukhaisusa iioksidi kunye nesikali
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Ukunyamezelaisusa intsimbi yamahhala kwaye ikhuthaza i-oxide ekhuselayo
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I-Pickling inamandla ngakumbi kwaye ibandakanya i-hydrofluoric acid
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I-passivation ithambile kwaye isebenzisa i-nitric okanye i-citric acid
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Ukuvunwa kuyayiguqula inkangeleko yomphezulu; i-passivation ayitshintshi kakhulu isiphelo
Kwizinto eziphezulu zensimbi ezingenasici, zombini iinkqubo zihlala zisetyenziselwa ngokulandelelana ukuqinisekisa indawo ecocekileyo kunye ne-corrosion-resistant.
Ziyimfuneko Nini Ezi nkqubo?
I-Pickling kunye ne-passivation iyacetyiswa kwezi meko zilandelayo:
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Emva kokoukuweldaukususa i-tint yobushushu kunye ne-oxide discoloration
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Ukulandelaukwenza oomatshini okanye ukusila, enokuthi ivelise ukungcoliseka kwentsimbi
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Emva kokounyango lobushushu, apho isikali kunye nokuguquka kwebala kunokwakheka
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Kubaucoceko kunye nezicelo zococeko, apho ukucoceka komphezulu kubaluleke kakhulu
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In iindawo zaselwandle okanye zeekhemikhali, apho ukuxhathisa umhlwa kufuneka kuphuculwe
Ngokusebenzisayesakysteelumgangatho ophezulu wensimbi engenasici kunye nokusebenzisa iinkqubo ezifanelekileyo emva kokunyanga, izixhobo zakho ziya kuhlala ixesha elide kwaye zenze ngcono phantsi kweemeko ezinzima.
IiNzuzo zokuPickling kunye nePassivation
Ukwenza olu nyango kuqinisekisa iingenelo ezininzi:
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Ibuyisela ukuxhathisa ngokupheleleyo komhlwa
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Ukuphucula ukucoceka komphezulu
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Isusa izingcolisi ezizinzisiweyo
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Iphucula ubomi bentsimbi engenasici
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Ulungisa izinto zokupeyinta okanye zokugquma
Kumashishini afana namayeza, ukulungiswa kokutya, kunye ne-oyile & negesi, i-pickling kunye ne-passivation ayikhethi-ziyafuneka ukugcina ingqibelelo yemveliso kunye nokuthotyelwa kwemigangatho yamazwe ngamazwe.
ImiGangatho yoShishino lokuPickling kunye nokuPasa
Imigangatho emininzi yehlabathi ichaza iinkqubo kunye nezikhokelo:
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I-ASTM A380: Iziqhelo ezisemgangathweni zokucoca, ukwehlisa, kunye nokunciphisa
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I-ASTM A967: Inkcazo yonyango lwe-chemical passivation
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EN 2516: Imigangatho yaseYurophu ye-aerospace ye-stainless steel passivation
Ngalo lonke ixesha qinisekisa ukuba iimveliso zakho zensimbi ezingenasici ziyahlangabezana nale migangatho, ngakumbi xa zisetyenziswa kwiindawo ezinobuthathaka okanye ezinomngcipheko omkhulu. Ngesakysteel, sibonelela ngezinto eziphathekayo kunye nenkxaso yobugcisa ehambelana nale migaqo engqongqo yamazwe ngamazwe.
Iindlela eziqhelekileyo zokuSebenza
Ngokuxhomekeke kubungakanani benxalenye, imilo, kunye nokusingqongileyo, ezi nkqubo zinokusetyenziswa ngeendlela ezahlukeneyo:
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Ukuntywiliselwa (Itanki): Ifanelekile kwiindawo ezincinci ukuya kweziphakathi
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Ukutshiza ukuPickling: Isetyenziselwa izixhobo ezinkulu okanye ufakelo
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Ukusebenzisa ibrashi: Ilungele unyango lwendawo efana ne-weld seams
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Ukujikeleza: Isetyenziswe kwiinkqubo zemibhobho yonyango lwangaphakathi
Ukuhlanjululwa okufanelekileyo kunye nokungathathi hlangothi emva kokuba unyango luyimfuneko ukukhusela iintsalela ze-asidi.
Iingqwalasela zokusiNgqongileyo noKhuseleko
Zombini i-pickling kunye ne-passivation ibandakanya iikhemikhali ezifuna ukuphathwa ngononophelo:
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Hlala unxiba izixhobo zokuzikhusela (PPE)
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Ungathathi hlangothi izisombululo zenkunkuma phambi kokulahlwa
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Yenza unyango kwindawo engena umoya okanye phantsi kokutsalwa komsi
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Landela imimiselo yendalo esingqongileyo malunga nokusetyenziswa kunye nokulahlwa kweasidi
Ukuqukumbela
I-Pickling kunye ne-passivation ngamanyathelo abalulekileyo ekuqinisekiseni ukuba insimbi engenasici igcina ukuxhathisa ukubola kunye nokusebenza kwexesha elide. Ngelixa i-pickling icoca kwaye isusa isikali, i-passivation iqinisa umaleko we-oxide okhuselayo-kunye, balungiselela insimbi engenasici kwizicelo ezifunwa kakhulu.
Ukukhetha isinyithi esingenasici esifanelekileyo kubaluleke kakhulu njengokuyiphatha ngokufanelekileyo. Yiyo loo nto amashishini kwihlabathi liphela ethembasakysteelukuhambisa imathiriyeli yentsimbi engenasiphene eqinisekisiweyo, ekwaziyo ukumelana nomhlwa kunye nenkxaso yobuchwephesha ekusetyenzweni nasekuyilweni. Ukufumana izisombululo ezithembekileyo ekusebenzeni kwensimbi engenasici, vulasakysteel—iqabane lakho olithembileyo.
Ixesha lokuposa: Jun-27-2025