Ingundoqo yeetayile ezikhazimlayo yi-glaze, eluhlu lwesikhumba kwiitile, ezinomphumo wokuguqula amatye abe yigolide, ukunika abachwephesha be-ceramic ukuba benze iipatheni ezicacileyo phezu komhlaba. Kwimveliso yeethayile ezikhazimlisiweyo, inkqubo ezinzileyo ye-glaze slurry kufuneka ilandelwe, ukuze kuphunyezwe isivuno esikhulu kunye nomgangatho. Iimpawu eziphambili zenkqubo yokusebenza kwayo ziquka i-viscosity, i-fluidity, i-dispersion, ukumiswa, i-body-glaze bonding kunye nokugudiswa. Kwimveliso yokwenyani, sihlangabezana neemfuno zethu zemveliso ngokulungelelanisa ifomyula yezinto ze-ceramic ekrwada kunye nokongeza ii-agent ezincedisa iikhemikhali, ezona zibalulekileyo zezi: I-CMC carboxymethyl cellulose kunye nodongwe ukulungelelanisa i-viscosity, isantya sokuqokelela amanzi kunye nokumanzi, phakathi kwayo i-CMC isiphumo sokunciphisa. I-sodium tripolyphosphate kunye ne-ejenti yolwelo lwe-degumming i-PC67 inemisebenzi yokusasaza kunye ne-decondensing, kwaye isilondolozi kukubulala ibhaktheriya kunye ne-microorganisms ukukhusela i-methyl cellulose. Ngethuba lokugcinwa kwexesha elide le-glaze slurry, i-ion kwi-glaze slurry kunye namanzi okanye i-methyl yenza izinto ezingaxutywanga kunye ne-thixotropy, kunye neqela le-methyl kwi-glaze slurry liyasilela kwaye izinga lokuhamba liyehla. Eli nqaku lixubusha kakhulu indlela yokwandisa i-methyl Ixesha elisebenzayo lokuzinzisa ukusebenza kwenkqubo ye-glaze slurry ichaphazeleka kakhulu yi-methyl CMC, ubungakanani bamanzi angena kwibhola, inani le-kaolin ehlanjwe kwifomula, inkqubo yokucubungula, kunye ukuphelelwa ngamandla.
1. Impembelelo yeqela le-methyl (CMC) kwiipropati ze-glaze slurry
Carboxymethyl cellulose CMCIkhompawundi ye-polyanionic ene-solubility efanelekileyo yamanzi efunyenwe emva kokuguqulwa kweekhemikhali zemicu yendalo (i-alkali cellulose kunye ne-etherification agent chloroacetic acid), kwaye ikwayipolymer ephilayo. Ikakhulu sebenzisa iipropathi zayo zokudityaniswa, ukugcinwa kwamanzi, ukusasazwa kokunqunyanyiswa, kunye ne-decondensation ukwenza umphezulu we-glaze ube mpuluswa kwaye uxinene. Kukho iimfuno ezahlukeneyo ze-viscosity ye-CMC, kwaye yahlulwe ibe yi-viscosities ephezulu, ephakathi, ephantsi, kunye ne-ultra-low. Amaqela e-methyl aphezulu kunye ne-viscosity ephantsi aphunyezwa ikakhulu ngokulawula ukuthotywa kwe-cellulose-oko kukuthi, ukuphulwa kwe-cellulose ye-molecular chain. Esona siphumo sibalulekileyo sibangelwa yioksijini esemoyeni. Iimeko zokusabela ezibalulekileyo zokulungiselela i-high-viscosity ye-CMC yimiqobo ye-oksijini, ukugungxulwa kwenitrogen, ukupholisa kunye nomkhenkce, ukongeza i-agent edibanisayo kunye ne-dispersant. Ngokoqwalaselo lweSkimu 1, iSkimu 2, kunye neSikimu 3, kunokufunyaniswa ukuba nangona i-viscosity yeqela eliphantsi le-viscosity ye-methyl iphantsi kuneqela le-high-viscosity methyl, ukuzinza kokusebenza kwe-glaze slurry. ngcono kunaleyo ye-high-viscosity methyl iqela. Ngokombuso, iqela le-methyl eliphantsi-viscosity lixutywe ngakumbi kuneqela le-methyl eline-viscosity ephezulu kwaye linomxokelelwane omfutshane we-molecular. Ngokombono wokunyuka kwe-entropy, yimeko ezinzileyo kuneqela le-methyl ephezulu ye-viscosity. Ngoko ke, ukuze ulandele uzinzo lwefomula, ungazama Ukwandisa inani lamaqela e-methyl ephantsi-viscosity, kwaye usebenzise ii-CMC ezimbini ukuzinzisa izinga lokuhamba, ukuphepha ukuguquguquka okukhulu kwimveliso ngenxa yokungazinzi kwe-CMC enye.
2. Isiphumo sobungakanani bamanzi angena kwibhola ekusebenzeni kwe-glaze slurry
Amanzi kwifomula ye-glaze ahluke ngenxa yeenkqubo ezahlukeneyo. Ngokoluhlu lwama-38-45 amagremu amanzi afakwe kwi-100 grams yezinto ezomileyo, amanzi angakwazi ukugcoba amaqhekeza e-slurry kwaye ancede ukugaya, kwaye anokunciphisa i-thixotropy ye-glaze slurry. Emva kokujonga iSkimu 3 kunye neSikimu 9, sinokufumanisa ukuba nangona isantya sokungaphumeleli kweqela le-methyl asiyi kuchaphazeleka ngumlinganiselo wamanzi, lowo onamanzi amancinci kulula ukuwugcina kwaye ungaphantsi kwemvula ngexesha lokusetyenziswa kunye nokugcinwa. Ngoko ke, kwimveliso yethu yangempela, izinga lokuhamba lingalawulwa ngokunciphisa inani lamanzi angena kwibhola. Kwinkqubo yokutshiza i-glaze, ubukhulu obuphezulu obuphezulu kunye nokuveliswa kwesantya sokuhamba okuphezulu kungamkelwa, kodwa xa sijongene ne-spray glaze, kufuneka sandise inani le-methyl kunye namanzi ngokufanelekileyo. I-viscosity ye-glaze isetyenziselwa ukuqinisekisa ukuba i-glaze surface igudile ngaphandle komgubo emva kokutshiza i-glaze.
3. Impembelelo yeKaolin Content kwiiPropati zeGlaze Slurry
I-Kaolin yiminerali eqhelekileyo. Amacandelo ayo aphambili amaminerali e-kaolinite kunye nenani elincinci le-montmorillonite, i-mica, i-chlorite, i-feldspar, njl. Ngokuxhomekeke kwinkqubo yokukhenkceza, iyaguquguquka phakathi kwe-7-15%. Ngokuthelekisa isikimu sesi-3 kunye ne-4, sinokufumanisa ukuba ngokunyuka komxholo we-kaolin, izinga lokuhamba kwe-glaze slurry liyanda kwaye akulula ukuzinza. Oku kungenxa yokuba i-viscosity ihambelana nokubunjwa kwamaminerali, ubungakanani be-particle size kunye nohlobo lwe-cation eludakeni. Ngokuqhelekileyo, umxholo we-montmorillonite, i-fineral particles, i-viscosity ephezulu, kwaye ayiyi kusilela ngenxa yokukhukuliseka kwebhaktheriya, ngoko akulula ukutshintsha ngokuhamba kwexesha. Ngoko ke, kwii-glazes ezifuna ukugcinwa ixesha elide, kufuneka sandise umxholo we-kaolin.
4. Impembelelo yexesha lokusila
Inkqubo yokutyumza ibhola lokusila iya kubangela umonakalo oomatshini, ukufudumeza, i-hydrolysis kunye nomnye umonakalo kwi-CMC. Ngokuthelekisa isikimu 3, isikimu 5 kunye nesikimu 7, sinokufumana ukuba nangona i-viscosity yokuqala ye-scheme ye-5 iphantsi ngenxa yomonakalo omkhulu kwiqela le-methyl ngenxa yexesha elide lokugaya ibhola, ukulungiswa kuyancipha ngenxa yezinto eziphathekayo. ezifana ne-kaolin kunye ne-talc (eyona nto icolekileyo, i-Ionic force enamandla, i-viscosity ephezulu) kulula ukuyigcina ixesha elide kwaye akukho lula ukugawula. Nangona i-additive yongezwa ngexesha lokugqibela kwisicwangciso se-7, nangona i-viscosity iphakama kakhulu, ukungaphumeleli kukhawuleza. Oku kungenxa yokuba ixesha elide ikhonkco lemolekyuli, kulula ukufumana iqela le-methyl i-Oxygen ilahlekelwa ukusebenza kwayo. Ukongeza, ngenxa yokuba ukusebenza kakuhle kokugaya ibhola kuphantsi ngenxa yokuba ayidityaniswanga ngaphambi kokuba i-trimerization, ukulunga kwe-slurry kuphezulu kwaye amandla phakathi kwamasuntswana e-kaolin abuthathaka, ngoko ke i-glaze slurry ihlala ngokukhawuleza.
5. Umphumo wezithinteli
Ngokuthelekisa i-Experiment 3 kunye ne-Experiment 6, i-glaze slurry eyongezwe kunye ne-preservatives inokugcina i-viscosity ngaphandle kokunciphisa ixesha elide. Oku kungenxa yokuba eyona mathiriyeli ekrwada ye-CMC yikotoni esulungekisiweyo, eyikhompawundi yepolymer ephilayo, kunye nesakhiwo sebhondi ye-glycosidic yomelele ngakumbi phantsi kwesenzo se-enzymes yebhayoloji Kulula ukwenza i-hydrolyze, ikhonkco le-macromolecular ye-CMC iya kwaphuka ngokungenakuguquleka ukwenza i-glucose. iimolekyuli nganye nganye. Ibonelela ngomthombo wamandla we-microorganisms kwaye ivumela iibhaktheriya ukuba zivelise ngokukhawuleza. I-CMC ingasetyenziswa njengesizinzisi sokunqunyanyiswa ngokusekwe kubunzima bayo obukhulu bemolekyuli, ke emva kokuba i-biodegraded, isiphumo sayo sokuqala sokuqina komzimba siyanyamalala. Indlela yesenzo sokukhusela ukulawula ukusinda kwe-microorganisms ibonakala ngokukodwa kwinkalo yokungasebenzi. Okokuqala, iphazamisa i-enzymes ye-microorganisms, itshabalalisa i-metabolism yabo eqhelekileyo, kwaye inqanda umsebenzi we-enzymes; okwesibini, idibanisa kunye ne-denatures iiprotheni ze-microbial, ziphazamisa ukuphila kwazo kunye nokuzala; okwesithathu, i-permeability ye-membrane ye-plasma inqanda ukupheliswa kunye ne-metabolism ye-enzymes kwizinto zomzimba, okubangelwa ukungasebenzi kunye nokuguqulwa. Kwinkqubo yokusebenzisa izithinteli, siya kufumanisa ukuba umphumo uya kuba buthathaka ngokuhamba kwexesha. Ukongeza kwimpembelelo yomgangatho wemveliso, kufuneka kwakhona sithathele ingqalelo isizathu sokuba kutheni iibhaktheriya ziphuhlise ukuxhathisa kwiipreservatives ezongeziweyo zexesha elide ngokuzala kunye nokuhlola. , ngoko ke kwinkqubo yokuvelisa ngokwenene kufuneka sitshintshe iindidi ezahlukeneyo zokugcinwa kwexesha elithile.
6. Impembelelo yokugcinwa okutywiniweyo kwe-glaze slurry
Kukho imithombo emibini ephambili yokusilela kwe-CMC. Enye i-oxidation ebangelwa kukudibana nomoya, kwaye enye lukhukuliseko lwebhaktiriya olubangelwa kukutyhileka. Ubumanzi kunye nokunqunyanyiswa kobisi kunye neziselo esinokuzibona kubomi bethu nazo zizinziswe yi-trimerization kunye ne-CMC. Bahlala bephila kwishelufu malunga nonyaka omnye, kwaye eyona nto imbi kakhulu ziinyanga ezi-3-6. Esona sizathu siphambili kukusetyenziswa kwe-inactivation Sterilization kunye neteknoloji yokugcina etywiniweyo, kucingelwa ukuba i-glaze kufuneka ivalwe kwaye igcinwe. Ngokuthelekisa iNkqubo ye-8 kunye neNkqubo ye-9, sinokufumanisa ukuba i-glaze egcinwe kwindawo yokugcina umoya inokugcina ukusebenza okuzinzileyo ixesha elide ngaphandle kwemvula. Nangona umlinganiselo uphumela ekuvezweni emoyeni, awuhlangabezani nokulindelweyo, kodwa usenexesha elide lokugcinwa. Oku kungenxa yokuba i-glaze egcinwe kwingxowa evaliweyo ihlukanisa ukhukuliseko lomoya kunye neebhaktheriya kwaye yandisa ubomi beshelufu ye-methyl.
7. Ifuthe lokuzinza kwi-CMC
Ukuqina yinkqubo ebalulekileyo kwimveliso ye-glaze. Umsebenzi wayo ophambili kukwenza ukubunjwa kwayo kufane ngakumbi, ukususa igesi engaphezulu kunye nokubolisa into ethile ephilayo, ukwenzela ukuba indawo ye-glaze ibe lula ngexesha lokusetyenziswa ngaphandle kweepinhole, i-concave glaze kunye nezinye iziphene. Iintsinga ze-CMC ze-polymer ezitshatyalaliswe ngexesha lenkqubo yokugaya ibhola ziphinde zaxhunywa kwaye izinga lokuhamba liyenyuka. Ngoko ke, kuyimfuneko ukumisa ixesha elithile, kodwa ukuqina kwexesha elide kuya kukhokelela ekuzalweni kwe-microbial kunye nokusilela kwe-CMC, okukhokelela ekunciphiseni kwezinga lokuhamba kunye nokunyuka kwegesi, ngoko ke kufuneka sifumane ibhalansi ngokwemiqathango. ixesha, ngokubanzi 48-72 iiyure, njl Kungcono ukusebenzisa i-glaze slurry. Kwimveliso yangempela yefektri ethile, ngenxa yokuba ukusetyenziswa kwe-glaze kuncinci, i-blade evuselelayo ilawulwa yikhompyutheni, kwaye ukugcinwa kwe-glaze kwandiswa imizuzu engama-30. Umgaqo ophambili kukwenza buthathaka i-hydrolysis ebangelwa yi-CMC evuselela kunye nokufudumeza kunye nokunyuka kweqondo lokushisa Ii-Microorganisms ziyaphindaphindeka, ngaloo ndlela zandisa ukufumaneka kwamaqela e-methyl.
Ixesha lokuposa: Jan-04-2023