Kungani kufanele sikhethwe isifunda sezinkampani zokuphatha izinkomo ngokusebenzisa i-stainless steel ngaphandle kwezinye ezinamathuba okukhula kumazulu amanquma?

Ukuhlanza Kwezinkundla: Ngani Umbhalo Wokuhlanza Kwemithombo Yokuqhubeka Kwakho Kufa Emakhaya Okuphezulu Kokukhanya

Kwemithombo yokuqhubeka kwakho, ukukhanya okuphezulu, ukususa ngamanzi amahle okuphezulu, nokukhanya kwenziwa kuzoba yisimo esikhulu sokuhlanza esikwenzela ukuthi umbhalo wokuhlanza wezinc waziwe kubhekise kumthombo wokuhlanza. Noma umbhalo wokuhlanza wezinc ubhekise kubhekise kumthombo wokuhlanza, ukukhanya okuphezulu nokuphezulu kokukhanya okuphezulu okukhona emaphakathi emithombo yokuqhubeka kwakho kuyabhekisa ukuthi kubhekise kumthombo wokuhlanza kubhekise kumthombo wokuhlanza.

Ukubhekisa kwezinc kubhekise kumthombo wokuhlanza kubhekise kumthombo wokuhlanza kubhekise kumthombo wokuhlanza

Izistilayo zezinkolo zezinkolo ziyasebenzisa indawo yezinkolo zezinkolo zokuphatha izistilayo zezinkolo zezinkolo kusukela emva kwezinkolo zezinkolo zezinkolo. Koma, emazweni amahle okanye emazweni apho kunezinkolo zezinkolo zezinkolo, amanzi angathwa phakathi kwesikrini nesistilayo—noma kungathwa emazweni okunqamuka—kwenza imizamo emihle yokuphatha kwezinkolo zezinkolo. Idata yasekhaya ye-FM Global ibonisa ukuthi lezi zimo zokuthwa kwamanzi zingasiza ukuthi izipipingi zezinkolo zezinkolo zihlale ngokushesha njengoba kune-12–36 izinyanga. Le ngcindezi iyaphakanyiswa kumakhulu apho isikhathi siphakanyiswe kune-60 °C, apho kubonakala ukuthi ubuhle bokuphatha kwezinkolo zezinkolo akuboni isistilayo kodwa kuyaphatha isistilayo ngokushesha. Ukuphakanyiswa kwezinkolo zezinkolo ne-isikhathi siphakanyiswe kuyaphuthela ukuthi izinkolo zezinkolo nezinkolo zezinkolo zibonakaliswe, kubonakalisa isikrini futhi kuvula isistilayo esisheshayo kuzo amanzi amahle nezinkolo zezinkolo. Uma izinkolo zezinkolo zihlala ngokushesha, amandla ayabona ngokushesha phansi kwesikrini esisheshayo, kwenza ukuthi kuboneke ukuthi kubhekene nokuphatha kwezinkolo zezinkolo futhi kubhekene nokuphatha kwezinkolo zezinkolo ngaphambi kokubonakala kwezinye izinkomo.

Ukuphela kwezinkinga ngokukhula kwechlorides emashwashini, isilwane esinamaphutha, noma amasimbi okusebenza

Amaphutha we-chloride kusuka kwezinkampani zokuchitha (isibonelo, amaphutha we-hypochlorite okuchitha), isilwane sezulu esiphakeme, noma amaphutha we-protein wamadludla ayabona ngokushesha amaphutha we-galvanized. Nangokukhula kwezimali ezincinci ayagcina amaphutha we-zinc futhi ayavula ukuchitha kwe-pitting kusuka kwe-steel yasemva. Umsebenzi wase-2023 wa-TÜV ngamaphutha okuchitha akhona kwezinto eziphakeme kubonisa ukuthi i-14% yezithotho ze-galvanized zazihluphele umsebenzi wokuchitha kwe-salt spray we-neutral we-700-hour ngokushesha kokugcina kwe-zinc. Kwisitolo sesikhumbuzi—lapho ukuchitha kwesikhathi semhla kuhlanganisa umsindo, izinkampani zokuchitha eziyenchwa, ukuguqula kwetempuretya, nokuchitha kwe-mechanical—iziphakama zokuchitha ziyagcina ngokushesha kunezidingo zokubhekana nalo. Isiphumo siyizithotho zokuchitha ezincinci ezinhluphele kuze zihluphele kwezithotho ezinkulu, zihluphele kwezinyathelo zokuchitha kanye zivula izindawo zokuhlamba kwe-bacteria. Ngaphandle kwezimboni zokuchitha eziphakeme, izimo zomhlaba wokwesibonelo ziyenza ukuthi izinkampani ze-galvanized zibe yizinkinga zokuchitha ezingaqondi kakhulu kwezindlela zokuchitha eziphakeme nezinhlobo zokuchitha.

Ukuthuthukiswa Kwesistaynlesu Stili: Izigaba, Ukuthuthukiswa Kwesifilm sokungafani, Nokusebenza Kwesikhumbuzi

Amathikhi amahle we-stainless steel (304 vs 316) okukhethekile kwezinkambo zokuphatha izinkomo ezingaphakathi kwezindawo zokuphatha izinkomo ezinomoya omubi

Ukukhetha isithuthi esihle se-stainless steel sikhundla esikhulu ekupheleni kwemithombo yezinkambo zokuphatha izinkomo emazulwini apho umoya uyisiphelo. Isithuthi 304, okusho kakhulu ngokuthi “18/8,” usinika ukuthi ubuyela phambili ngokujwayelekileyo kwezinkinga zokuphatha izinkomo futhi ungcwele kumaqondiso wokubeka ama-structure noma emazulwini apho ukuthi kuzobonwa kancane. Kodwa, izindawo zokuphatha izinkomo ezingaphakathi kwezindawo zokuphatha izinkomo ezinomoya omubi ziyabiza izinto eziphambili njengezindlela zokuphatha izinkomo ngokuphakeme kakhulu kanye nezindlela zokuphatha izinkomo ezinomoya omubi—izimo eziyabiza izinkambo zokuphatha izinkomo kwe-chlorides, okuyi-ncitingo eyodwa yokuphatha izinkambo zokuphatha izinkomo ngokuphatha izinkomo.

I-steel stainless ya Grade 316 iyathola ukuguqula okukhethekile. Ukubhalwa kwakho kufaka i-molybdenum e-2–3%, okuyakhulisa ukuthinteka kwe-chlorides ne-pitting ngokuphelele. Lokhu kwenza i-316 ibe yinketho eyodwa yokuziphatha izinto ezikhethekile zokusebenza ngokuphakeme kwezilwanyana, izitayebhile zokuchitha, nezinqobo zokuvuswa. Noma i-304 inokwenzela kuzo izindlela ezingafanayo ngezinye izindawo, ukuthinteka okuhle kwe-316 kuyabulawa ngqo izinkinga zokufakwa kwezinto ezingavumelekile nezinkinga zokugcina isikhundla. Ukukhetha i-316 yezinqobo zokuvuswa kuyinketho eyodwa okuyathinta ukuthi kuzoba nokusebenza ngokuphelele ngokuhle kwezilwanyana futhi kuzoba nokuthinteka kwe-chlorides.

Ilaya yasekhona yamachromium oxide engeziwe ngokuphakeme kwezilwanyana

Ukuchitha okungafani nalo kwezinkulungwane zokusebenza zezistayinilesi kusukela ekutheni isilawuli sakho sisebenza ngokwakhe—isilawuli esingaphansi kwemilimita engu-5 yenanomitha esikhulu sokhromi oksidi esingaqondwa ngokuzenzakalela lapho ikhromi isebenza ne-okhsijini. Kusukela kuleyo, isilawuli sibuyisa phakathi kwakhe. Uma kubhekwa isikhumba noma ukugqibela kusukela kwenziwa kumsebenzi, ikhromi ephakathi kuyasebenza ngokuzenzakalela ne-okhsijini yendawo noma umfula wokushwashwa ukuze ubuyise isilawuli sokhuselelo. Lokhu kubuyisa phakathi kwakhe kungakhathali ukuphatha nokubeka isilawuli esingasenzi, esingabonakali, futhi esingachithi—kudingeka ukuthi kuboneke umfula wasekhaya noma ukugqibela kwezinhlobo zokusebenza. Ngaphandle kwezilawuli ezihlukene ezifika emva kokufa kahle uma kubhekwa, isilawuli sokhuselelo sibuyisa phakathi kwakhe kusukela kwezinhlobo zokuphatha nokuchitha ngaphandle kokuthinteka ngokwakhe, kusukela kwezinhlobo zokuchitha nokubona ukuthi izinkulungwane ziyasebenza ngokuphelele kwezinkulungwane zokuchitha kwezinkulungwane zokusebenza.

Amathuba okuhlela kwezindawo zokusebenza: Ukuchitha, Ukuphatha Kwamaphetha, Nokuguqula Kwesikhathi Emaphetheni Okuchitha

Izinkambo zokuvula zizokhathazwa ngokupheleleyo yezinkinga zomhlaba okuzokwenza ukungena kwezinto ezihlukene. Ukugxilwa kwe-humidity ephezulu, amasalti okuchitha, nokuguqula kwezintemperatya ezingaphakade kwenza indawo eyodwa yokuqhubeka—kuncane kakhulu kwezinto ezingafanelekile njengesitili esikhanyayo.

• Umbi ne-steam bavuka emaqwasheni amaninzi ngezindiza zephezulu ne-steam esivulayo. Izinga le-ambient moisture libe phakade eliphezulu, libuyisa ukuvula kanye nokuthabatha izinkambo zokuvikela.
• Isaliniti iyafika ngamachloride apho kubonakala emazibhalo (isangu, izigwaza zephezulu), kanye namasalti atholakala kumoya kwezindawo zasekupini. Lezi zinto zifika kuma-zinc layers ayesikhanyayo, zibuyisa ukuvula okuphezulu kwe-pitting.
• Ukuphucula Kwemitha kufana ngezinsuku zokuvula eziningi kanye nezindawo zokuvula ezincane. Lokhu kuyagxilwa kwezinkambo zokuvula, kubuyisa ukuvula nokuhlanzwa okuzokubonisa isitili esikhanyayo.

Lokho okuphakanyiswa kakhulu kuyabeka phansi ukuthi isithembiso esikhulu kanye nokuhleleka—kubonisa ukuthi kufanele baphatheke izinto ezinamandla okungafani nesibhamu emaphakathi emisitha yokuqeda.

Ukuvalelwa Kwemali Yokuqala: Isikhathi Sokusebenza, Ukulawula, Nokuthi Kusenziwa Ngokwesikhathi Sokudla Emisitheni Yokuqeda

Ukusebenza ngaphandle kokulawula kwe-stainless steel 316 ngaphandle kokulawula okuphinda kuphinda kwenziwa kwe-galvanized noma ukubuyiselwa

Ukukhetha imishini esekelwe kuphela entengo yokuthenga akuyifaki izindleko eziphelele zobunikazi (TCO), ezihlanganisa izindleko zokutholwa, ukugcinwa, isikhathi sokuphumula nezindleko zokulahla phakathi nempilo yohlelo. Ezindaweni zokuhlatshwa, umehluko phakathi kwensimbi engagqwali engu-316 nensimbi eyenziwe ngensimbi igqamile. Imishini enesihlungi ingase ibize kancane ngo-30% ekuqaleni kodwa lokho kuncishiswa ngokushesha. I-zinc coating iyawohloka emkhathini omanzi, ocebile nge-chloride, okuholela ekugqwalileni okubomvu kungakapheli iminyaka engu-35. Izindleko zangempela zihlanganisa ukuqhuma kwezinto ezihlabayo, ukufakwa kabusha kwezindwangu, kanye nokuvalwa komkhiqizo ukuze kufakwe izinto ezibonakalayo. Isikhathi sokuphumula ngenxa yokwehluleka ngaphambi kwesikhathi ekucutshungweni kokudla singabiza imali engaphezu kuka-$10,000 ngehora ekulahlekelweni umkhiqizo. Ngokuphambene, i-316 insimbi engagqwali s ingxubevange ethuthukiswe i-molybdenum inikeza ungqimba oluhlala njalo, oluzilungisa ngokwalo olungafuni ukufakwa noma ukupenda ukuze lube neminyaka engaphezu kwengu-25 yokusebenza. Lapho kucatshangelwa isikhathi sokuphumula esingahleliwe, umsebenzi, nokuvuselelwa, ukutshalwa kwezimali okukodwa ku-316 kuqeda uchungechunge lwezingozi zokusebenza nezemalikwenza inani lomjikelezo wokuphila, hhayi intengo yokuqala, kube yinto enqumayo yemishini yokubulala umswakama ophakeme.

Imibuzo Evame Ukubuzwa

Kungani izinkampani zokugalvaniza zihlula emizulwini yomhlanje?

Umbala wokugalvaniza owethembisa kuzinkampani zokugalvaniza uyadlula ngokushesha emizulwini yomhlanje ngokubhekana nokuhlwa kwemithombo, imizimba yezinsuku eziningi, nokuhlwa kwamandla okuhlanza, okusika ukudlula kwezinkampani ngokushesha.

Yiziphi iziphumo zokusebenzisa isitayile esinamakhulu 316 emaphoyinteni okuphila?

Isitayile esinamakhulu 316 sibonakalisa ukuthi sikhathazeka kakhulu ngokudlula kwechlorides nezinhlobo zomhlanje. Umbala wokuchaza okwenzeka ngokuzenzakalela wechromium oxide usinika amasurfesi okuhlela futhi usindiza ukuthi kufanele kwenziwe ukulungisa ngokuphelele.

Ukulinganisa i-total cost of ownership phakathi kwezinkampani zokugalvaniza nasezinkampani zokusebenzisa isitayile esinamakhulu, kuyisiphi?

Izinkampani zokugalvaniza zinakho umsindo wokuqala omncane kodwa zidinga ukulungisa ngokushesha futhi ukubuyisela, okuvula ukuthi kubhekeleka ngokuphelele. Isitayile esinamakhulu 316 sibonakalisa ukuthi sikhathazeka kakhulu futhi asidingi ukulungisa ngokuphelele, okusika ukuthi kubhekeleka kakhulu ngokuphelele.