Isikhwama sokupheka esisezingeni eliphezulu siyinto emangalisayo. Singase singakunaki lokhu kupaka lapho sivame ukudla. Eqinisweni, isikhwama sokupheka sokushisa okuphezulu akusona isikhwama sokupakisha esivamile. Iqukethe isixazululo sokushisa futhi iwuhlobo oluyinhlanganisela. Isikhwama sokupakisha isici, singashiwo ukuthi isikhwama sokupheka sokushisa okuphezulu sihlanganisa izici zesitsha kanye nesikhwama sokupheka. Ukudla kungase kuphelele esikhwameni, ngemva kokuvalwa inzalo futhi kushiswe ezingeni lokushisa eliphezulu (imvamisa engu-120~135℃), kungadliwa ngemva kokukususa. Ngemuva kweminyaka engaphezu kweshumi yokusetshenziswa, kufakazelwe ukuthi iyisitsha esifanelekile sokuthengisa. Ilungele ukupakishwa kwemikhiqizo yenyama nesoya, elula, ehlanzekile futhi esebenzayo, futhi ingagcina ukunambitheka kwasekuqaleni kokudla, okuthandwa ngabathengi.
Kuyaqondakala ukuthi ukupakishwa kokuqala okungagcina ukudla kwenyama ezingeni lokushisa elivamile ukudla okusemathinini, okuyithini lensimbi elenziwe nge-tinplate, futhi kamuva lisebenzisa amabhodlela engilazi njengepakethe yangaphandle. Kokubili amabhodlela e-tinplate nengilazi anokumelana nokupheka kokushisa okuphezulu kanye nezakhiwo ezivimbelayo eziphezulu, ngakho-ke impilo yeshalofu yokudla okusemathinini ingafinyelela eminyakeni engaphezu kwengu-2. Kodwa-ke, ngenxa yokuthi amathini e-tinplate namabhodlela engilazi kuyiziqukathi eziqinile zokupakisha ezinomthamo omkhulu nesisindo esinzima, i-tinplate inokumelana nokugqwala kwamakhemikhali, ikakhulukazi uma ilayishwe ukudla okune-acidic, ama-ion ensimbi awana kalula, okuthinta ukunambitheka kokudla. Ngawo-1960, i-United States yasungula ifilimu eyinhlanganisela ye-aluminium-plastic ukuze ixazulule ukupakishwa kokudla kwe-aerospace. Isetshenziselwa ukupakisha ukudla kwenyama, futhi ingagcinwa ekamelweni lokushisa ngokusebenzisa izinga lokushisa eliphezulu kanye nokuvala inzalo yokucindezela okukhulu, nokuphila kweshalofu okungaphezu konyaka ongu-1. Indima yefilimu eyinhlanganisela ye-aluminium-plastic ifana neyekani, elithambile futhi elilula, ngakho liqanjwe ngokuthi "i-soft can".
Ngokuphathelene nokupakishwa kokudla, izikhwama zokushisa eziphakeme zokushisa zinezinto eziningi eziyingqayiziveleizinzuzouma kuqhathaniswa neziqukathi zensimbi nezikhwama zokufaka ukudla eziqandisiwe:
①Gcina umbala,iphunga, ukunambitheka kanye nesimo sokudla.Isikhwama se-retort sincane, futhi singahlangabezana nezidingo zokuvala inzalo ngesikhathi esifushane, futhi silondoloze umbala wangempela, iphunga, ukunambitheka kanye nokuma kokudla ngangokunokwenzeka.
kulula ukuyisebenzisa.Isikhwama se-retort singavulwa kalula futhi ngokuphepha. Lapho udla, faka ukudla kanye nesikhwama emanzini abilayo futhi ukushise imizuzu engu-5 ukuze uvule futhi udle, ngisho nangaphandle kokufudumeza.
②Indawo yokulondoloza kanye nezinto zokuhamba.Isikhwama sokupheka sinesisindo esincane, singapakishwa futhi sigcinwe, futhi sithatha indawo encane. Ngemva kokupakisha ukudla, indawo ehlala kuyo incane kunekani lensimbi, elingasebenzisa ngokugcwele indawo yokugcina neyokuthutha futhi yonge izindleko zokugcina nezokuthutha.
yonga amandla.Ngenxa yokuncipha kwesikhwama sokupheka, isikhwama singafinyelela izinga lokushisa elibulalayo lamabhaktheriya ngokushesha lapho kushisa, futhi ukusetshenziswa kwamandla kungaphansi kuka-30-40% kunaleyo yensimbi.
③lula ukuthengisa.Izikhwama ze-retort zingapakishwa noma zihlanganiswe nokudla okuhlukene ngokwezidingo zemakethe, futhi amakhasimende angakhetha ngokuthanda kwakhe. Ngaphezu kwalokho, ngenxa yokubukeka okuhle, umthamo wokuthengisa nawo ukhuphuke kakhulu.
④isikhathi eside sokulondoloza.Ukudla okupakishwe emaphaketheni aphindiselayo okungadingi ukuthi kuqandiswe noma kuqandwe, kuneshelufu eliqinile lokuphila elilingana namakani ensimbi, kulula ukudayisa, futhi kulula ukukusebenzisa ekhaya.
⑤izindleko zokukhiqiza eziphansi.Izindleko zefilimu ehlanganisiwe yokwenza isikhwama se-retort siphansi kunesicwecwe sensimbi, futhi inqubo yokukhiqiza kanye nemishini edingekayo ilula kakhulu, ngakho-ke intengo yesikhwama sokubuyisela iphansi.
Isakhiwo somkhiqizo wezikhwama zokupheka ezishisa kakhulu
Ngokujwayelekile ihlukaniswe yaba izigaba ezintathu: ifilimu enezingqimba ezimbili, ifilimu enezingqimba ezintathu kanye nesakhiwo sefilimu enezingqimba ezine.
Ifilimu enezingqimba ezimbili ngokuvamile i-BOPA/CPP, PET/CPP;
Isakhiwo sefilimu enezingqimba ezintathu yi-PET/AL/CPP,BOPA/AL/CPP;
Isakhiwo sefilimu enezendlalelo ezine yi-PET/BOPA/AL/CPP, PET/AL/BOPA/CPP.
Ukuhlolwa kokumelana nokushisa okuphezulu kokupheka
Ngemva kokuba isikhwama senziwe, faka umthamo ofanayo wokuqukethwe esikhwameni bese usivala kahle (Qaphela: okuqukethwe kufana nokuqukethwe okushiwo ikhasimende, bese uzama ukukhipha umoya esikhwameni lapho uvala, ukuze ungafaki. kuthinte umphumela wokuhlola ngenxa yokunwetshwa komoya ngesikhathi sokupheka), Yifake ku-ts-25c ukucindezela emuva ebhodweni lokupheka lokushisa eliphezulu, bese usetha izimo ezidingwa ikhasimende (izinga lokushisa lokupheka, isikhathi, ingcindezi) ukuze uhlole ukumelana nokushisa okuphezulu kokupheka; inqubo yokukhiqiza isikhwama sokupheka sokushisa okuphezulu okwamanje isikhwama sokupheka esihle kunazo zonke emhlabeni. Eziningi zazo zenziwa ngendlela yokuhlanganisa okomile, kanti ezimbalwa zingabuye zenziwe ngendlela yokuhlanganisa engancibiliki noma indlela yokuhlanganisa i-co-extrusion.
Ukuhlolwa kokubukeka ngemva kokupheka: indawo yesikhwama iyisicaba, ayinamibimbi, amabhamuza, i-deformation, futhi akukho ukuhlukana noma ukuvuza.
Isikhathi sokuthumela: Jul-18-2022