Ukuthi ukubhoshwa kwesitha esihle kakhulu kusenza kanjani ukuthi ukubhoshwa kwezindustria kusebenze kahle

Kungani Ubunzima Buyisikhipha Ukusebenza Kwezibonelo Zepowda Yokufutha

Kungani izindlela zokugcina izinkinga (<0.5% yezinto ezihlukahluka, <10 ppm yamathambo) zihlukise ubunzima bezifilm nezinkambo zokubambisana

Inani lokungcola okukhona ezintweni zokumboza ezenziwe ngempuphu linomthelela omkhulu endleleni ifilimu yokugcina ebambelela ngayo ndawonye futhi inamathele ngayo ezindaweni. Lapho kunezindawo ezintula umoya ezingaphezu kuka-0.5% noma ukungcola kwensimbi kudlula izingxenye ezingu-10 ngesigidi, izinkinga ziqala ukubonakala kaningi. Phakathi nenqubo yokuqina, izinto ezinyantisayo ezengeziwe zivame ukuphunyuka, zakha lezo zimbobo ezincane ezicasulayo nezinqolobane esizazi kahle. Lezi zimpawu azibukeki zimbi nje kuphela kodwa empeleni zinciphisa nokuthi ukumboza kumelana kanjani nokugqoka nokudabuka kuyilapho futhi kuvumela umswakama ukuba ungene ngaphakathi ukuze udale izinkinga zokugqwala kamuva. Izinto zensimbi ezifana nensimbi, i-zinc noma ithusi zisebenza ngendlela ehlukile kodwa zinenkinga efanayo. Lezi zinsimbi zisheshisa ukusabela kwe-oxidation lapho ukwakheka kuhlangana nensimbi noma i-aluminium. Kwenzekani-ke? Isibopho phakathi kokumboza nesisekelo siya buthaka, ngakho lapho izinto zishisa noma zikhathazeka ngokomzimba, ukumboza kuqala ukuwa ngokushesha kunalokho obekulindelekile. Uma ubheka nxazonke kunoma isiphi isitshalo sokukhiqiza uzothola ubufakazi balokho okwenzekayo lapho le mingcele inganakwa. Ucwaningo lubonisa ukuthi ukumboza okunenkinga yokungcola kungabiza izinkampani cishe amaRandi angu - 500 000 ngonyaka uma nje zilungisa amaphutha ngokuwasebenzisa kabusha nangamahora omsebenzi engeziwe. Noma ubani osebenza ngemibala ye-powder, ukugcina lezi zindinganiso zobumsulwa akuyona into enhle ukuba nayo kuyadingeka uma sifuna ukuthi ukuqedela kwethu kuhlale isikhathi eside futhi kusebenze kahle ngokuhamba kwesikhathi.

Izindatha zokugqitywa kwe-ASTM B117: ukubhukuda kwesalt-spray kungaphezulu ngamashumi amabili nokuthathu ngeminyaka, ngepowda yokuvala yempilo engu-â¥99.95% yokuvala

Ngokwezivivinyo ze-ASTM B117 zokugqwala okusheshayo, izembozo ze-powder ezenziwe okungenani ngezinto ezihlanzekile ezingama-99.95% zinikeza ukumelana nokugcoba usawoti okungcono izikhathi ezingaba ngu-2.3 uma kuqhathaniswa nezinketho ezijwayelekile. Lezi zembozo ezisezingeni eliphakeme zingahlala isikhathi eside kunamahora angu-2 000 ngaphandle kokubonisa izimpawu zokugqwala noma zokugqwala. Isizathu salokhu kuthuthukiswa siwukuthi ukungcola kubangela amaphutha amancane ebusweni bokumboza. Lapho lezi zingcoliso zisuswa, ukumboza kwakha ungqimba oluhambisana kakhulu olwenza umonakalo ungathinteki. Enye inzuzo ivela ekusakazekeni ngokulinganayo kwama-inhibitors okugqwala nama-UV stabilizers ngaphakathi kwempuphu. Lokhu kusiza ukugcina ukuvikeleka lapho izinga lokushisa lishintsha kakhulu, kusukela kuma-degree Celsius angu-40 kuya kwangu-150 degrees. Izakhiwo ezishintshela kulezi zinhlobo eziphambili ngokuvamile zibona isikhathi sazo sokuphila sokumboza sinwetshwa kakhulu ngenkathi zidinga ukushintshwa cishe ngama-60% kaningi, okwenza umehluko omkhulu ezindlekweni zokugcina isikhathi.

I-powder coating powder ehlanzekile kakhulu ekusetshenzisweni kwezimboni okufunayo

Isifundo secala lezimoto: Ukuthuthuka kokuqala kokudlula okungu-99.2% kusetshenziswa i-epoxy-polyester hybrid powder coating powder ehlanzekile

Enye indawo enkulu yokuhlanganisa izimoto yabona isivuno sayo sokuqala sigxuma saya ku-99.2% lapho ishintshela ku-epoxy polyester hybrid powder coating enamazinga okuhlanzeka angaphezu kuka-99.95%. Yini ngempela eyenza umehluko? Cishe asusa ngokuphelele lezo zimpawu ezicasulayo ezinjengamehlo ezinhlanzi, imivubukulo nemiphumela yezikhumba zamawolintshi. Lezi zinkinga bezilokhu zibangela ubuhlungu bekhanda iminyaka eminingi ngenxa yezinkinga zokuphuma kwezinto ezintulayo ngesikhathi sokusebenza kanye nezithasiselo ezihlukaniswayo kumaqoqo asezingeni eliphansi. Le nto entsha yasebenza kahle ngoba yayigcina ukuhlangana okuqhubekayo futhi igeleza ngokulinganayo kuyo yonke indawo. Lokhu kubaluleke kakhulu lapho kusebenza izinto eziyinkimbinkimbi ezinjengamabhulokhi enjini nezingxenye zokumiswa ezixhumana noketshezi lwamabhuleki namakhemikhali ahlukahlukene okuhlanza. Ukwehlisa umsebenzi wokulungisa kabusha kwabasindisa cishe amaRandi angu-740 000 ngonyaka ngokusho kocwaningo olwenziwa iPonemon Institute emuva ngo-2023. Ngakho-ke, ukuhlanzeka okuphezulu akuyona nje ukubukeka okuhle kokuphela empeleni konga imali ngenkathi kugcinwa ikhwalithi yomkhiqizo ngezinga elikhulu.

Amasiko ase-Offshore nezindlela zokusebenzisa imvelo: Ukubuyela kwezinkinga zokugqibela (kubhala â’40 degrees C ku +150 degrees C) kwenziwa ngokuhambisana kwezinkqubo zokudonsa ezingaphansi kwezinkqubo zokupheka kwemithombo yezinkqubo eziningi

Amakrathi okukhanyisa amathayela we-wind turbine, izindawo zokusebenza ngaphandle kwamandla, kanye nezinkambo zokusebenza ngaphansi kwamanzi kufanele zibe nesibindi sokubona imizimba yezilinganiso zokuguqula kwezintemperatura ngokuphelele. Amakrathi amahle amahle akhanyisa amakhulu ayisifunda kule mizimba ngokungafaka amakhulu amaningi, kodwa ngokuba kuyisibonelo sakho esihle kwezinhlobo zokugcina. Uma izimpurities ziphulwa, izinqumo zokukhanyisa njenge-UV absorbers, izinkambo zokuvikela kwe-HALS, kanye nezinkambo zokuvikela ukuthwasa zihlala zihambisana ngokuphelele kwezinhlobo. Lokhu kuvikela ukuthi izinhlobo zihlale zihambisana uma zihlala ziguqula kanye zihlala zihambisana. Isiphumo? Ukuvikela kahle kwezinkinga zokugcina kwezinhlobo zokugcina kanye nokuvikela kahle kokubamba kwezinhlobo. Izivivinyo zibonisa ukuthi izinkinga zokuvikela zihlala zingaphezu kwezintathu ngokuphindwe ngokuphelele kunamakhulu amahle amahle asebenzisa i-ASTM G85 salt spray conditions. Kumaqondweni apho ukuthumela abantu ukubuyela ukuvikela kuzoba nomthelela omkhulu, lokhu kubhekise isibindi sokuvikela.

Ukuvikela Okubhekise Isibindi Sokukhanyisa, Ukuvikela Kwe-UV, Kanye Nokuvikela Kokuvikela Kwesikhathi

Amakholi okusebenza kwezindustria ayaphumelela kuzo izinkinga zokubhekana ngokuphelele nezinkimanga, ukungena kwe-UV nokugcina kwezinkinga zokusebenza ngokuthula, izimo apho ubunzima bungabikho njengokuchaza kodwa bungaba yindlela yokusebenza. Amakholi okusebenza kwezindustria okungabi nesibonelo esingaphansi sokubhala amakhemikhali okungabi nesibonelo asihlukanisa izinkinga zokungena nokuphatha kwezinkinga, kubuyisa ubukhulu bakho bokusebenza kusukela ekutheni kuyasebenza ngempela.

Ukuvimbela kwe-FTIR kwekugcina kwezinkimanga zokuhlanganisa ngokungabi nesibonelo sokubhala amakhemikhali okungabi nesibonelo kwezinkimanga zokusebenza kwezindustria

Ukuhlaziywa kwe-FTIR kubonisa ukuthi lapho izembozo ze-powder zinezinsalela ze-catalyst yensimbi ezingaphansi kuka-5 ppm, ziyayeka ngempela leyo mibopho ye-ester ecasulayo ukuba ingachitheki ibe izinhlaka ze-polyester. Inkinga ivela kuma-catalyst asele e-zinc noma e-tin atholakala kumapulawu avamile. Lezi zisebenza njengamademoni amancane asheshayo ukuze enze ukusabela kwe-hydrolysis lapho izinto ziba ne-asidi noma zinomswakama, okubangela zonke izinhlobo zezinkinga ezinjengokwakheka kwamabhamuza nokuwa nje kwesendlalelo sokuzivikela. Manje bheka ukuthi kwenzekani ngalokhu okuhlanzekile kakhulu okungu-99.98% esikhundleni salokho. Igcina amazinga e-pH eqinile ngisho nalapho ibhekene nezimo ezinzima. Ukuhlolwa ngokuvumelana namazinga e-ASTM D1308 kubonisa ukuwohloka kwamaqembu e-carbonyl okuncane ngamaphesenti angu-80 ngemva kwamahora angaba ngu-1 000. Futhi lokhu kubalulekile ngoba kusho ukuvikeleka okungcono kuzo zonke izinhlobo zamakhemikhali, izinto zokuhlanza, nanoma yini enye ephonswa emishini yezimboni usuku nosuku.

Umbono we-DSC: isikhombiso sesikhathi sokugela esihlukene ngokuphelele, isikhathi sokugela esihlukene ngokuphelele ngama-8–12 degrees C – umkhakha wokugela okuhle kanye nokususa ukubhala kwe-orange peel emaphilimini ekhulunyweni

Lapho sibheka idatha ye-Differential Scanning Calorimetry, kukhona okuthakazelisa ngempela ngokufakwa kwe-powder okuhlanzekile. Lezi zinto zibonisa ukuthi ukushisa okuphezulu empeleni kuncane ngama-8 kuya ku-12 degrees Celsius uma kuqhathaniswa ne-powders ejwayelekile. Kusho ukuthini lokhu ngokoqobo? Lokhu kusenza sikwazi ukulawula kangcono isikhathi se-gel lapho sisebenzisa izindlela zokuqina ze-infrared nezokuqina. Cishe ukunemba kwemizuzwana emithathu kwenza umehluko lapho uzama ukuthola ukuhlangana okuhambisanayo okuhambisanayo kulo lonke lolu hlobo ngaphandle kokuhlangabezana nezinkinga zokuvuthwa kwangaphambi kwesikhathi. Futhi ake sikhulume ngemiphumela. Ukuqedwa okubushelelezi kuyavela ngaphandle kwamaphutha. Izindwangu ezicwebezelayo zezimoto azisabukeki zinokucwebezela okunjengokwe-orange, futhi abakhiqizi babika ukuthi banciphisa izidingo zokulungisa kabusha cishe izingxenye ezimbili kwezintathu. Kulabo abasebenza ngezingxenye ezinesisindo esikhulu njengezingxenye ezixhunywe amapayipi, lezi zindawo ezincane ezishisayo zisiza ukuba kugwenywe izindawo ezingalondolozwa kahle. Ukuqiniswa okungaphelele kungaba inkinga yangempela yokugcina ukuvikelwa kwe-cathodic okufanele ngokuhamba kwesikhathi, ngakho-ke ukuthola lokhu kulungile kubaluleke kakhulu ekusetshenzisweni kwezimboni.

Ukubalansisa Ukusebenza Nokuthenga: Lapho Kufanele Ukubhekwa Ngokujulile Kokubhala Ngokwepowda Yokukhula?

Uma kuziwa ekufakeni izembozo eziyimpuphu ezihlanzekile, ngokuqinisekile zinikeza inani langempela kodwa kunengqondo kuphela uma izinzuzo zazo zixazulula izinkinga zangempela. Thatha lezo zimpahla ezibalulekile njengamapulatifomu kawoyela aphesheya kwezilwandle, amathangi okucubungula amakhemikhali, noma izitshalo zamandla. Intengo yokwehluleka lapho iphakeme kakhulu kunalokho umuntu akukhokhelayo ukuze athole izinto zokumboza eziphakeme. Ngokwemininingwane ye-NACE International, isikhathi sokuphumula esingalindelekile esibangelwa ukwehluleka kokumboza sibiza imali engaphezu kwesigamu sesigidi samaRandi njalo kulezi zimboni. Amafomula ahlanzeke kakhulu avimbela izinkinga ezinjengokwakheka kwemigodi emincane, ukulahlekelwa ukunamathela, nokuwohloka kusenesikhathi ngenxa yokuchayeka ekukhanyeni kwe-UV ngisho nangemva kokudlula ekushintshashintsheni kwezinga lokushisa okukhulu kusuka kuma-minus 40 degrees Celsius kuze kube ngama-degree angu-150. Lokhu kunciphisa izikhathi izinto ezidingeka ziphinde zembozwe ngazo cishe ngamaphesenti angu-40 kuya kwangu-60. Ngakolunye uhlangothi, ngaphakathi kwezakhiwo noma ezindaweni ezivamile zezimboni lapho izinto zingathintwa khona yizinto ezinzima, izembozo ezivamile zempuphu zisebenza kahle futhi zisindisa cishe u-30% ezintweni ezibonakalayo zodwa. Izinkampani eziningi zithola ukuthi imali ziqala ukuyonga uma zicabangela zonke lezo zindleko ezifihliwe ngokuhamba kwesikhathi abasebenzi bezokulungisa izinto abachitha bezilungisa, ukulahlekelwa umkhiqizo lapho kulungiswa, nokuthi imishini idinga ukushintshwa kaningi kangakanani. Ngokuvamile, leli phuzu lokuziphindiselela livela phakathi kweminyaka emithathu kuya kwemihlanu lapho imishini isebenza ezindaweni ezinengozi yokugqwala, ukukhanya kwelanga okukhulu noma izinguquko ezinkulu zokushisa.