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Ingabe i-304 insimbi engagqwali iyagqwala?
Njengoba ilanga liqala ukukhuphuka edolobheni, uMary wangena kuvulandi wakhe ukuze ajabulele umoya ohelezayo wasekuseni. Amehlo akhe azulazula esibhakabhakeni esihle futhi wama emsamo wovulandi wakhe. Okwamthukuthelisa, wabona amabala okugqwala ensimbi engagqwali. UMary wayehlale ekholelwa ukuthi insimbi engagqwali ayikwazi ukumelana nokugqwala, kodwa manje kwatholakala ukuthi unephutha. Lokhu kwamenza wazibuza, ingabe i-304 insimbi engagqwali? Ngakho-ke, waqala uhambo lwakhe lokwembula iqiniso ngemuva kwalo mbono oyiphutha ovamile.
I-304 insimbi engagqwali inokumelana okuphezulu nokugqwala nokugqwala. Kodwa-ke, ayivikeleki ngokuphelele ekugqwaleni futhi ingagqwala ngaphansi kwezimo ezithile, njengokuchayeka kusawoti omningi noma ukuchayeka isikhathi eside ezindaweni ezine-asidi.
Lesi sihloko sizoqhubeka nokudingida lo mbuzo kulezi zici ezilandelayo:
Okuqukethwe
Yiziphi izici ezingabangela insimbi engagqwali engu-304 ukuthi igqwale?
Insimbi engagqwali engu-304 yaziwa ngokumelana kwayo nokugqwala okuhle kakhulu, kodwa ngaphansi kwezimo ezithile, isengakwazi ukugqwala.
Esinye sezici eziyinhloko ezingabangela ukugqwala ukuchayeka endaweni enzima, njengomswakama ophezulu, amanzi anosawoti, noma izixazululo ezine-acidic.
Esinye isici ukungcoliswa komhlaba, njengokuchayeka kunsimbi noma i-carbon steel, okungabangela ukugqwala kwe-galvanic.
Ngaphezu kwalokho, ukugcinwa okungafanele noma ukuphatha ngendlela engafanele nakho kungaholela ekugqwaleni, njengoba imihuzuko noma amazinyo angaphezulu angakha izindawo ukuze kungene umswakama nomoya-mpilo. Kubalulekile ukugcina nokuhlanza insimbi engagqwali njalo ukuze ugweme ukugqwala.
Ukufaka izinto eziwuvikelayo, njengopende noma i-electroplating, nakho kungasiza ekuthuthukiseni ukumelana kwayo nokugqwala.
Ngokuqonda izinto ezingabangela ukugqwala, singathatha izinyathelo ezisheshayo ukuze sivikele futhi sinwebe ubude besikhathi sensimbi engagqwali engu-304 ezinhlelweni ezihlukahlukene.
I-304 insimbi engagqwali iyinto ekwazi ukumelana nokugqwala, kodwa ayigonyiwe ngokuphelele ekugqwaleni. Kunezindlela eziningana zokuyivikela ekugqwaleni, okuhlanganisa:
I-Passive Protection: Indlela ejwayeleke kakhulu ukuvikela okwenziwayo, okubandakanya ukudala ungqimba oluncane olungabonakali lwe-chromium oxide ebusweni bensimbi. Lolu ungqimba luvikela insimbi engaphansi endaweni ezungezile futhi luvimbele ukugqwala. Le ndlela iyasebenza uma nje ingaphezulu lingonakalisiwe noma lingangcolisiwe.
Izembatho: Enye indlela yokuvikela insimbi engagqwali engu-304 ukusebenzisa okokunamathela, okufana nopende noma impuphu. Lezi zembatho zisebenza njengesithiyo phakathi kwensimbi nendawo ezungezile, evimbela umswakama nomoya-mpilo ekufinyeleleni phezulu.
Ukuvikelwa kwe-Cathodic: Le ndlela ihlanganisa ukuxhuma insimbi nensimbi esebenza kakhulu, njenge-zinc noma i-magnesium. Lezi zinsimbi zigqwala ngokushesha kunensimbi engagqwali, zizidela ukuze zivikele insimbi ekugqwaleni.
Ukuhlanza Nokunakekela Okufanelekile: Ukuhlanza nokunakekela njalo kungasiza ekuvimbeleni ukugqwala ngokususa ukungcola nokugcina indawo yomile.
Ngokulandela lezi zindlela, kungenzeka ukuvimbela ukugqwala nokwandisa isikhathi sokuphila sensimbi engagqwali engu-304 ezinhlelweni ezihlukahlukene, okuhlanganisa ukwakhiwa, ukucubungula ukudla, kanye nemishini yezokwelapha.
Insimbi engagqwali engu-304 ingavikelwa kanjani ekugqwaleni?
Ingabe insimbi engagqwali engu-304 ijwayele ukugqwala uma iqhathaniswa nezinye izinhlobo zensimbi engagqwali?
Uma kukhulunywa ngensimbi engagqwali, igama lodwa lingakhohlisa. Akuwona wonke ama-stainless steels adalwe alinganayo, futhi ngayinye inezindawo zayo eziyingqayizivele ezithinta ukumelana kwayo nokugqwala. Nakuba insimbi engagqwali engu-304 yaziwa ngokumelana nokugqwala okuhle kakhulu, ayivikelekile ekugqwaleni. Eqinisweni, kuye ngendawo ethize, kungase kuthandeke kakhulu ukugqwala uma kuqhathaniswa nezinye izinhlobo zensimbi engagqwali.
Isibonelo, insimbi engagqwali engu-316 iqukethe i-molybdenum, ethuthukisa ukumelana kwayo nokugqwala ezindaweni ezinolaka njengezindawo zasolwandle. Ngakolunye uhlangothi, insimbi engagqwali engu-430 inenani eliphakeme le-chromium kodwa ayinayo i-nickel, okuyenza ithengeke kakhulu kodwa futhi imelane kancane nokugqwala kunensimbi engagqwali engu-304.
Kafushane, ukugqwala kwensimbi engagqwali kuncike ekwakhekeni kwamakhemikhali kanye nendawo esetshenziswa kuyo. Ngenkathi insimbi engagqwali engu-304 iyindlela ethandwayo yokumelana nokugqwala kwayo yonke, kungenzeka kungabi yiyona ndlela engcono kakhulu kulo lonke uhlelo lokusebenza.
Uma kukhulunywa ngokugqwala, insimbi engagqwali engu-304 ingaba ncane.
Ikakhulukazi, ukuba khona kwamakhemikhali noma amanzi anosawoti kungaba nomthelela omkhulu ekhono layo lokumelana nokugqwala. Uma ichayeke kumakhemikhali anonya noma emanzini anosawoti, insimbi engagqwali engu-304 ingaba sengozini yokugqwala nokugqwala.
Lokhu kungenxa yokuthi lezi zinto zingakwazi ukudiliza ungqimba lwe-chromium oxide oluvikela insimbi ekugqwaleni. Uma ungqimba olwenziwayo luphazamiseka, insimbi ivezwa umoya-mpilo nomswakama, okungaholela ekwakhekeni kokugqwala.
Ukuze ulwe nalokhu, kubalulekile ukusebenzisa izinga elifanele lensimbi engagqwali futhi uqinisekise ukuthi ihlanzwa kahle futhi inakekelwa ukuze ivikeleke kumakhemikhali anonya nokuchayeka emanzini anosawoti.
Ukuba khona kwamakhemikhali noma amanzi anosawoti kuthinta kanjani ukugqwala kwensimbi engagqwali engu-304?
Ingabe insimbi engagqwali engu-304 egqwalile isangasetshenziswa ezinhlelweni ezihlukahlukene?
Uma kukhulunywa ngensimbi engagqwali engu-304 egqwalile, impendulo ayihlali iqondile. Kuya ngobunzima bokugqwala kanye nokusetshenziswa okuqondile kwempahla.
Ngokuvamile, ukugqwala okuncane kungase kungabi nomthelela omkhulu ekusebenzeni kwensimbi engagqwali, ikakhulukazi uma isendaweni engagqwali.
Kodwa-ke, ezintweni ezibucayi kakhulu, njengalezo ezihilela ukuthinta ukudla noma amakhemikhali, ngisho nokugqwala okuncane kungenza lokho kungasebenzi.
Kulezi zimo, kubalulekile ukuhlanza nokulungisa kahle noma yiziphi izindawo ezigqwalile, noma esikhundleni salokho okubalulekile ngokuphelele ukuze kuqinisekiswe ukusebenza kahle nokuphepha.
Njengenjwayelo, ukuvimbela kuyinkambo engcono kakhulu yesenzo, ngakho-ke ukunakekelwa okuvamile nokugcinwa okufanele kungasiza ekuvimbeleni ukugqwala nokwandisa isikhathi sokuphila se-304 yensimbi engagqwali ezinhlelweni ezihlukahlukene.
Isiphetho
Umbuzo wokuthi 304 insimbi engagqwali ukugqwala kuyinto evamile, futhi impendulo ukuthi kungaba ngaphansi kwezimo ezithile. Izinto ezingabangela ukugqwala zihlanganisa ukuchayeka entweni ebolayo, amazinga okushisa aphezulu, nokulimala kwemishini.
Ukuze uvimbele ukugqwala, kubalulekile ukusebenzisa izindlela zokuhlanza ezifanele, ugweme ukuchayeka ezindaweni ezinokhahlo, futhi ufake izinto ezivikelayo. I-304 insimbi engagqwali ngokuvamile ayijwayele ukugqwala uma iqhathaniswa nezinye izinhlobo zensimbi engagqwali, kodwa ukuchayeka emanzini anosawoti noma amakhemikhali kungasheshisa inqubo. Insimbi engagqwali engu-304 egqwalile isengasetshenziswa ezinhlelweni ezithile, kodwa kubalulekile ukuhlola ubuqotho bayo besakhiwo futhi uthathe izinyathelo ezifanele zokuvimbela ukugqwala okuqhubekayo.
Sekukonke, ukunakekelwa okufanele nokuvikela kungaqinisekisa impilo ende nokusebenza kwensimbi engagqwali engu-304 ezinhlelweni ezihlukahlukene.
Xhumana nathi
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