1. Ukwakheka Komkhiqizo kanye Nokucutshungulwa Kwe-Ceramic
1.1 I-Alumina njenge-Advanced Porcelain Material
(Isitsha sokubhaka se-Alumina Ceramic)
I-Alumina (Al Two O EZINE), noma i-aluminium oxide enesisindo esincane, kuyinto engokwemvelo ngokuphelele, i-polycrystalline ceramic idume ngokuzinza kwayo okushisayo okukhethekile, ukuqina komshini, kanye ne-inertness yamakhemikhali, ukuyenza ibe yikhandidethi efanelekile yamabhodwe namapani asebenza kahle kakhulu, ikakhulukazi zokupheka zokupheka.
Ngesici esincibilikayo esidlula 2050 °C, i-alumina igcina ubuqotho besakhiwo ngaphansi kwezimo ezishisayo zokushisa ezingaphezulu kakhulu kohla lokusebenza lwengilazi evamile, insimbi, noma i-cookware esekwe polymer.
I-ceramic esetshenziswa ekuphekeni izitsha ngokuvamile iqukethe ama-85– 99.5% i-aluminium oxide, nensalela ehlanganisa izinsiza sintering ezifana silica, i-magnesia, noma i-titania ekhuthaza ukuminyana phakathi nokudubula okunezinga lokushisa eliphezulu.
Izimfanelo zokuhlanzeka okuphezulu (≥ 95% Al ₂ O ₃) ukunikeza ukumelana nokushaqeka okushisayo nokuqina, kuyilapho amafomula okuhlanzeka ancishisiwe angase ahlanganise ubumba noma i-feldspar ukuze kuncishiswe izindleko zokukhiqiza futhi kuthuthukiswe ukubunjwa.
Ngokungafani nezitsha zobumba ezijwayelekile, ethembele ezigabeni ezicwebezelisiwe ze-amorphous ukuze kuhlangane, izitsha zobumba ze-alumina zithola amandla azo kunethiwekhi eminyene yezinhlamvu zekristalu ezixhumene ezidalwe ngokufakwa okulawulwayo..
Le microstructure inikeza ukumelana okuhle kakhulu ekulimazeni, ukuhuzuka, kanye nokuwohloka kokushisa– izici ezibalulekile zokusetshenziswa okuphindwe kabili kuhhavini, ama-broilers, kanye nezicelo zomlilo eziqondile.
1.2 Amasu Okukhiqiza Nokwakha
Ukwenziwa kokudla kokubhaka kwe-alumina ceramic kuqala ngomsebenzi wokulungiselela wenhlawulo, inhlanganisela ye-powder ekhethiwe, okungemva kwalokho okumise usebenzisa izindlela ezinjengokucindezela uniaxial, ukusunduza isostatic, noma slip ukuphonsa ezibunjeni.
Ukusakazwa kwesilayidi, ikakhulukazi, ijwayele ukusetshenziselwa amajiyometri ayinkimbinkimbi, lapho udaka olusekelwe emanzini (noma “shelela”) izinhlayiya ze-alumina zithelwa ngqo ezibunjeni zikasimende ezikwazi ukuvuzwa ezithatha umswakama, ishiya ungqimba oluqinile lwe-ceramic.
Ngemva kokumisa, umzimba ovumelana nemvelo wenza inqubo yokudubula eshisa kakhulu– ngokuvamile phakathi 1400 ° C futhi 1600 °C– emhubheni noma eziko, lapho ukusakazeka kweziqephu nokukhula okusanhlamvu kuletha ukuminyana kanye nokukhishwa kwezimbotshana.
Le nqubo sintering ibalulekile; izinga lokushisa elinganele noma isikhathi kubangela i-porous, izinhlaka ezibuthakathaka, kuyilapho ukufudumala okudlulele kungabangela ukungqubuzana noma ukugwaza okusanhlamvu okunciphisa ukusebenza komshini.
Ukwelashwa kwangemva kwe-sintering kungase kuhlanganise ukugaya noma ukukhanya ukuze kutholwe izilinganiso ezinembile nezindawo ezibushelelezi, ikakhulukazi ukudla okubiza ukulingana kwekhava okuqinile noma indawo ebonakalayo.
( Isitsha sokubhaka se-Alumina Ceramic)
Ukupholisha kungokuzithandela; ezinye izidlo zokupheka ze-alumina zifaka okuncanyana, ukuqedwa koqweqwe lwengilazi ukuqinisa ukumelana ne-tarnish kanye nokuhlanza kalula, kuyilapho izinguqulo ezingacwebezeli zigcina i-matte do yemvelo ngokumuncwa kawoyela okuhle kakhulu kwemikhuba yokunganamathi.
2. Izici Zokusebenza Ezishisayo Nezomshini
2.1 I-Thermal Conductivity kanye Nokusabalalisa Ukushisa
I-Alumina ibonisa ukusebenza kahle kwe-thermal– cishe 20– 30 W/(m · k)– inkulu kakhulu kunengilazi noma i-porcelain kodwa iphansi kunezinsimbi ezifana ne-aluminium noma ithusi.
Lokhu kuziphatha okunokulinganisela kuvumela ukudla kokupheka kwe-alumina ukuthi kufudumale kancane kancane futhi kuhlakaze amandla ashisayo ngendlela efanayo kune-glassware., ukunciphisa izindawo ezishisayo ezingabangela ukupheka noma ukushisa okungalingani.
Amandla okushisa aphezulu wento ayivumela ukuthi igcine amandla ashisayo ngendlela efanele, ukugcina izinga lokushisa elingaguquki ngesikhathi sokuvuleka kweminyango kahhavini noma lapho ukudla okubandayo kwethulwa.
Ngokungafani namapani okuthosa ensimbi ahambisa ngokushesha ukushisa futhi angase adle kakhulu emaceleni, I-alumina inikeza i-genter, extra futhi ukupheka imvelo, ilungele izitsha ezintekenteke njengama-custards, ama-casseroles, kanye nama-gratins.
I-coefficient yayo encishisiwe yokukhula kokushisa (~ 8 × 10 ⁻⁶/ K) kunomthelela ekuphikiseni ukushaqeka okumangalisayo okushisayo, okuvumela ukushintshwa okuqondile ukusuka efrijini ukuya esitofini (ngokuvamile kakhulu 1000 ° F noma 540 °C)ngaphandle kokuhlukana– isici esingenakuqhathaniswa nezinketho eziningi ze-ceramic noma ingilazi.
2.2 I-Mechanical Stamina kanye Nokuqina Kwesikhathi Eside
Ama-porcelain e-alumina anamandla amakhulu okucindezela (cishe 2000 I-MPa) nokuqina okuhle kakhulu (9 esikalini se-Mohs, 2futhi kuphela idayimane ne-cubic boron nitride), okubenza bamelane kakhulu nokunwaya, elimazayo, futhi ugqoke.
Lokhu kuqina kwenza isiqiniseko sokuthi izitsha zokubhaka zigcina izimfanelo zazo zesakhiwo nezibonwayo phakathi neminyaka yokusetshenziswa okuyimpinda., ukuwasha, kanye nokuhamba ngebhayisikili okushisayo.
Ukushoda kwezibophezelo zemvelo noma okumbozayo kususa izingozi zokuphuma kwegesi, ukushintsha umbala, noma ukuwohloka okuhambisana nezindwangu ze-polymer ezinganamatheli (isib., I-PTFE) emazingeni okushisa aphezulu.
I-Alumina nayo iyimisebe ye-UV engathinteki, ubumanzi, kanye namakhemikhali endaweni yasekhishini ejwayelekile, okuhlanganisa ukudla okune-asidi noma okune-alkali, okokuhlanza, kanye nama-sanitizers.
Ngenxa yalokho, alifaki iphunga noma ukunambitha, ukuvimbela ukungcola phakathi kwezitsha nokuqinisekisa ukulungiswa kokudla okuhlanzekile.
Lapho kusetshenzwe kahle ukuvimbela umthelela ngezindawo eziqinile, amabhodwe e-alumina namapani abonisa impilo yesevisi evelele, zisebenza kahle kakhulu kunama-porcelain ajwayelekile nezinye izindlela eziningi zensimbi.
3. Izinzuzo Eziwusizo Ezicelweni Zokudla
3.1 Ukungena Kwamakhemikhali Nokuphepha Kokudla Nokuvikeleka
Phakathi kwezinzuzo ezibaluleke kakhulu zokudla kokubhaka kwe-alumina ceramic ukungenzi kahle kwamakhemikhali ngaphansi kwezimo zokulungiselela ukudla.
Abazishiyi izinsimbi, ama-plasticizers, noma okunye ukungcola okuhlukahlukene ekudleni, ngisho nalapho efakwe izithako ezine-acidic njengotamatisi, iwayini elibomvu, noma ezisawolintshi, okungagqwala i-kitchenware yensimbi noma ukudiliza izendlalelo ze-polymer.
Lokhu kwenza i-alumina ibe umkhiqizo ofaneleka ekudleni okunakwa impilo kanye nokudla okunomkhawulo wezempilo, kuhlanganise nalezo ezidinga usawoti oncishisiwe, metal-free, noma ukulungiswa okuphephile kwe-allergen.
Indawo engeyona enezimbobo, ikakhulukazi uma ipholishiwe, imelana nekoloni yamagciwane futhi isheshe ibulawe amagciwane, ukuhlangabezana namazinga ezempilo aqinile kuzo zombili izindawo zokupheka zasekhaya nezikhungo.
Izindikimba ezibusayo ezifana ne-FDA kanye neziqondiso zemikhiqizo yekholi yokudla ye-EU zikhomba i-alumina ehlanzekile njengephephile ocingweni lokudla oluphindaphindiwe., okuqinisekisa kakhulu ukusebenza kwayo ekuphekeni.
3.2 Ukusebenza Kokupheka kanye Nemikhuba Yendawo Engaphezulu
Amandla wendawo kanye ne-microstructure ye-alumina ithinta ukuxhumana kwayo nokudla, ihlinzeka ngohlamvu olunganamathi ngokwemvelo, ikakhulukazi uma kushisa futhi kugcotshwe amafutha kancane.
Ngokungafani nesembozo esingagxili esisekelwe ku-polymer esidilika phansi 260 °C (500 ° F), I-alumina ihlala izinzile futhi isebenza kunoma yiliphi izinga lokushisa eliyisisekelo kanye namazinga okushisa okushisa.
Umthamo wayo wokubekezelela ukusetshenziswa kwe-broiler noma i-grill ivumela ukugqama, i-caramelization, kanye nokusabela kwe-Maillard ngaphandle kosongo lokungaphumeleli ekuqedeni noma intuthu enobuthi.
Ukwengeza, amakhaya emisebe yomkhiqizo athuthukisa ukudluliswa kokushisa kwe-infrared, indawo yokukhangisa i-browning kanye nokwakheka kwe-crust ezimpahleni ezibhakiwe.
Abantu abambalwa babika ukuthuthukiswa kokunambitheka okuthuthukisiwe kanye nokugcinwa komswakama lapho kusetshenziswa izitsha ze-alumina, ifakwe ekushisiseni okufanayo kwekhaya kanye nokusebenzisana okuncane phakathi kwesitsha nokudla.
4. Ukusimama, Izimfashini Zemakethe, kanye Nokuthuthukiswa Kwekusasa
4.1 I-Environmental Impact and Lifecycle Analysis
Izitsha zokupheka ze-alumina ze-ceramic zifaka isandla ezindleleni ezihlala njalo zezindawo zasekhishini ngenxa yokuphila kwazo isikhathi eside, ukusebenziseka kabusha, nokusebenza kwamandla.
Ngenkathi ukukhiqizwa kokuqala kudinga amandla amaningi ngenxa yamazinga aphezulu okushisa e-sintering, ubude bempilo ebanzi– ngokuvamile iminyaka– isusa lesi sigxivizo ngokuhamba kwesikhathi.
Ekupheleni kwempilo, i-alumina ingagaywa futhi iphinde isetshenziswe njengenqwaba emikhiqizweni yokwakha noma icutshungulwe kabusha ibe yizinto ezintsha zobumba zobumba., ukunciphisa imfucuza yokulahla imfucuza.
Ukungabi bikho kwezimbozo zokwenziwa noma ama-laminates alula ukulahlwa futhi kwehlisa izingozi zokungcoliswa kwe-microplastic noma amakhemikhali.
Uma kuqhathaniswa namathreyi e-aluminium anesisindo sokukhanya angasebenziseki kabusha noma amapani anganamathiki esikhashana, izitsha ze-alumina ezisetshenziswa kaningi zimelela idizayini yesimo somnotho esiyindilinga ezimpahleni zasekhaya.
Abenzi baya ngokuya besebenzisa izinsiza zamandla avuselelekayo kanye nezinhlelo zokubuyisa ukushisa okungcolile eziko ukuze banciphise umthelela wekhabhoni wokukhiqiza..
4.2 Ubuchwepheshe kanye Nokuhlanganiswa Okuhlakaniphile
Amathrendi asafufusa ahlanganisa ukuhlanganiswa kwezitsha zobumba ze-alumina nezinto ezintsha zokupheka ezihlakaniphile, njengamayunithi okuzwa izinga lokushisa eligxilile noma omaka be-RFID bokuhlelwa kwehhavini.
Ukufunda ngokufanayo ukuhlola izinhlaka eziyinhlanganisela– njenge-alumina eqiniswe nge-silicon carbide noma i-zirconia– ukuqinisa ukuqina kanye nomthelela ukumelana ngaphandle kokudela ukusebenza kahle kokushisa.
Izendlalelo zendawo ezibunjwe nge-Nano-engineered ziyathuthukiswa ukuze zinikeze ukusebenza kwangempela okungagxili ngenkathi kugcinwa ukuphepha okubalulekile nokuhlala isikhathi eside..
Ezindaweni zokupheka ezichwepheshile nezimodular, izitsha zokubhaka ze-alumina ezijwayelekile ziyenziwa ukuze zihambisane nama-combi-ovens, qhumisa amafriji, kanye nezinhlelo zesikhala sokugcina ezizenzakalelayo, ukwenza lula inqubo kanye nokunciphisa ukuphindaphinda kwamathuluzi.
Njengoba isidingo sabathengi sikhula ngokuphepha, isikhathi eside, kanye ne-co-friendly cookware, izitsha zokupheka ze-alumina ceramic zilungele ukudlala umsebenzi oyinhloko esizukulwaneni esilandelayo sokusebenza okuphezulu, izinto zokupheka ezikhathalela impilo.
Ekuphetheni, Izindlela zokupheka ze-alumina ceramic zokubhaka ziyisibonelo sokuhlanganiswa kwezinto ezintsha zocwaningo lwesayensi kanye nomklamo wokupheka onengqondo.
Ukuzinza kwabo okushisayo okumangalisayo, amandla mechanical, ukuphepha nokuvikeleka kwamakhemikhali, kanye nokusimama kwemvelo kubenza babe yisisekelo sokupheka kobuchwepheshe besimanje.
5. Umsabalalisi
Le nkampani Alumina Technology Co., Ltd., Ltd igxile ocwaningweni nasekuthuthukisweni, ukukhiqizwa nokudayiswa kwe-aluminium oxide powder, imikhiqizo ye-aluminium oxide, i-aluminium oxide crucible, njll., ukusebenzela ugesi, izitsha zobumba, izimboni zamakhemikhali nezinye. Selokhu yasungulwa ngo 2005, inkampani izibophezele ekuhlinzekeni amakhasimende ngemikhiqizo namasevisi angcono kakhulu. Uma ufuna izinga eliphezulu i-alumina oxide, sicela ukhululeke ukuxhumana nathi.
Omaka: Isitsha sokubhaka se-Alumina Ceramic, I-Alumina Ceramics, i-alumina
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