I-sodium carboxymethyl cellulose, isifinyezo sesiNgesi i-CMC, eyaziwa ngokuba yi-"methyl" kushishino lwe-ceramic, yinto ye-anionic, umgubo omhlophe okanye otyheli owenziwe ngeselulosi yendalo njengento ekrwada kwaye iguqulwe ngokwemichiza..I-CMC inokunyibilika okulungileyo kwaye inokunyibilika ibe yisisombululo esicacileyo kunye ne-viscous efanayo kumanzi abandayo kunye namanzi ashushu.
1. Intshayelelo emfutshane yokusetyenziswa kweCMC kwiiseramikhi
1.1.Ukusetyenziswa kweCMC kwiiseramikhi
1.1.1, umgaqo wokusetyenziswa
I-CMC inolwakhiwo olulodwa lwepolymer emgceni.Xa i-CMC yongezwa emanzini, iqela layo le-hydrophilic (-COONA) lidibanisa namanzi ukwenza umaleko we-solvation, ukuze ii-molecule ze-CMC zihlakazwe ngokuthe ngcembe emanzini.Iipholima ze-CMC zixhomekeke kwiibhondi ze-hydrogen kunye nemikhosi ye-van der Waals.Isiphumo senza isakhiwo sothungelwano, ngaloo ndlela sibonisa ukuhambelana.I-CMC ethile yomzimba ingasetyenziswa njenge-excipient, i-plasticizer, kunye ne-arhente yokuqinisa imizimba eluhlaza kushishino lwe-ceramic.Ukongeza inani elifanelekileyo le-CMC kwi-billet kunokunyusa amandla okubambisana kwe-billet, yenza i-billet ibe lula ukwenza, ukwandisa amandla okuguquguquka ngama-2 ukuya kwamaxesha e-3, kunye nokuphucula ukuzinza kwe-billet, ngaloo ndlela ukwandisa umkhiqizo ophezulu. izinga leeseramics kunye nokunciphisa iindleko zasemva kokulungiswa..Kwangaxeshanye, ngenxa yokongezwa kwe-CMC, inokunyusa isantya sokulungisa umzimba oluhlaza kunye nokunciphisa ukusetyenziswa kwamandla emveliso.Isenokwenza ukuba ukufuma kwibillet kuphuke ngokulinganayo kwaye kuthintele ukomisa nokuqhekeka.Ngokukodwa xa isetyenziswe kwiibhilidi zeetayili zomgangatho omkhulu kunye neebhilidi zezitena eziphuculweyo, umphumo ungcono ngakumbi.ngokucacileyo.Xa kuthelekiswa nezinye ii-arhente zokuqinisa umzimba oluhlaza, i-CMC ekhethekileyo yomzimba oluhlaza inezi mpawu zilandelayo:
(1) Imali eyongeziweyo encinci: imali eyongeziweyo ingaphantsi kwe-0.1%, eyi-1/5 ukuya kwi-1/3 yezinye ii-agent zokuqinisa umzimba, kwaye amandla okuguquguquka komzimba oluhlaza aphuculwe kakhulu, kwaye iindleko zinokuncitshiswa. ngaxeshanye.
(2) Ipropathi elungileyo yokutshisa: phantse akukho mlotha oseleyo emva kokutshiswa, kwaye akukho ntsalela, engachaphazeli umbala wento engenanto.
(3) Ipropathi elungileyo yokuxhoma: thintela imathiriyeli ekrwada kunye nentlaka yemibala ekuzinziseni, kwaye wenze intlama isasazeke ngokulinganayo.
(4) I-Anti-abrasion: Kwinkqubo yokugaya ibhola, i-molecular chain chain yonakaliswa kancinci.
1.1.2, ukongeza indlela
Imali eyongeziweyo ngokubanzi ye-CMC kwi-billet yi-0.03-0.3%, enokulungiswa ngokufanelekileyo ngokweemfuno zangempela.Kuba udaka ngezinto ezininzi ezingenanto ekrwada kwifomula, i-CMC inokongezwa kwi-mill yebhola ukuze igaye kunye nodaka, inikele ingqalelo kwi-uniform dispersion, ukuze ingabi nzima ukunyibilika emva kokuhlanganiswa, okanye kwangaphambili- nyibilikisa i-CMC kunye namanzi kumlinganiselo we-1:30 Yongeza kwi-mill yebhola kwaye udibanise ngokulinganayo kwiiyure eziyi-1-5 phambi kokugaya.
1.2.Ukusetyenziswa kwe-CMC kwi-glaze slurry
1.2.1.Umgaqo wokusetyenziswa
I-CMC ye-glaze slurry yi-stabilizer kunye ne-binder esebenza kakuhle.Isetyenziswe kwi-glaze esezantsi kunye ne-glaze ephezulu yeethayile ze-ceramic, ezinokunyusa amandla okudibanisa phakathi kwe-glaze slurry kunye nomzimba.Ngenxa yokuba i-glaze slurry ilula ukukhawuleza kwaye inozinzo olubi, i-CMC kunye neentlobo ezahlukeneyo Ukuhambelana kolu hlobo lwe-glaze kulungile, kwaye kunokusasazwa okugqwesileyo kunye ne-colloid ekhuselayo, ukwenzela ukuba i-glaze ibe kwimeko yokusabalalisa ezinzile kakhulu.Emva kokongeza i-CMC, ukunyanzeliswa komphezulu we-glaze kunokunyuswa, amanzi anokuthintelwa ukuba asasazeke ukusuka kwi-glaze ukuya kumzimba oluhlaza, ukugudiseka komphezulu we-glaze kunokwandiswa, kunye nokuqhekeka kunye nokwaphuka ngexesha lenkqubo yokuthutha okubangelwa ukuncipha kwamandla omzimba oluhlaza emva kokukhazimla kunokuphetshwa., I-pinhole phenomenon kwi-glaze surface ingancitshiswa emva kokudubula.
1.2.2.Indlela yokongeza
Isixa se-CMC esongeziweyo kwi-glaze esezantsi kunye ne-glaze ephezulu ngokuqhelekileyo yi-0.08-0.30%, kwaye inokulungelelaniswa ngokweemfuno zangempela ngexesha lokusetyenziswa.Okokuqala yenza i-CMC ibe sisisombululo esinamanzi esisi-3%.Ukuba kufuneka kugcinwe iintsuku eziliqela, esi sisombululo kufuneka songezwe kunye nesixa esifanelekileyo se-preservatives kwaye sifakwe kwisitya esivaliweyo, sigcinwe kwiqondo lokushisa eliphantsi, kwaye lixutywe kunye ne-glaze ngokulinganayo.
1.3.Ukusetyenziswa kweCMC kushicilelo lweglaze
1.3.1.I-CMC ekhethekileyo yokushicilela i-glaze inokuqina okulungileyo, ukusabalalisa kunye nokuzinza.Le CMC ikhethekileyo yamkela itekhnoloji entsha, inokunyibilika okulungileyo, ukukhanya okuphezulu, phantse akukho nto inganyibilikiyo, kwaye inepropathi egqwesileyo yokucheba kunye ne-lubricity, iphucula kakhulu ukuguquguquka koshicilelo lweglaze yokushicilela, ukunciphisa isenzeko sokuncamathela kunye nokuthintela isikrini, ukunciphisa inani. zokusula, ushicilelo olugudileyo ngexesha lokusebenza, iipateni ezicacileyo, kunye nokuhambelana kakuhle kombala.
1.3.2.Inani elongezelelweyo ngokubanzi lokongeza i-glaze yokushicilela yi-1.5-3%.I-CMC inokungeniswa kunye ne-ethylene glycol kwaye emva koko yongeze amanzi ukuyenza inyibilikiswe kwangaphambili.Ingongezwa kunye ne-1-5% ye-sodium tripolyphosphate kunye nezixhobo zombala kunye.Umxube owomileyo, kwaye emva koko unyibilike ngamanzi, ukuze zonke iintlobo zezinto ezinokuchithwa ngokulinganayo.
1.4.Ukusetyenziswa kwe-CMC kwi-glaze evuzayo
1.4.1.Umgaqo wokusetyenziswa
I-bleeding glaze iqulethe iityuwa ezininzi ezinyibilikayo, kwaye ezinye zazo zineasidi kancinane.Uhlobo olukhethekileyo lwe-CMC lwe-glaze yokopha lune-asidi egqwesileyo kunye nokuzinza kokumelana netyuwa, okunokugcina i-viscosity ye-glaze yokopha izinzile ngexesha lokusetyenziswa kunye nokubekwa, kwaye ithintele ukuba yonakaliswe ngenxa yokutshintsha kwe-viscosity.Ichaphazela umahluko umbala, kunye nokunyibilika kwamanzi, umnatha permeability kunye nokugcinwa kwamanzi CMC ekhethekileyo ukopha glaze zilungile kakhulu, nto leyo eluncedo kakhulu ukugcina uzinzo ukopha glaze.
1.4.2.Yongeza indlela
Dissolve CMC kunye ne-ethylene glycol, inxalenye yamanzi kunye ne-agent eyinkimbinkimbi kuqala, kwaye emva koko udibanise nesisombululo esinyibilikisiweyo sombala.
2. Iingxaki ekufuneka zithathelwe ingqalelo ekuvelisweni kweCMC kwiiseramikhi
2.1.Iindidi ezahlukeneyo ze-CMC zinemisebenzi eyahlukeneyo kwimveliso yeeseramikhi.Ukukhetha okuchanekileyo kunokufezekisa injongo yoqoqosho kunye nokusebenza okuphezulu.
2.2.Kwiglaze yomphezulu kunye neglaze yoshicilelo, akufuneki usebenzise iimveliso ze-CMC ezicocekileyo ngexabiso eliphantsi, ngakumbi kwi-glaze yoshicilelo, kufuneka ukhethe i-CMC esulungekileyo enococeko oluphezulu, ukuxhathisa okulungileyo kwe-asidi kunye netyuwa, kunye nokungafihlisi okuphezulu ukukhusela i-glaze Ripples kunye neepinholes. ukubonakala phezu komhlaba.Kwangaxeshanye, inokuthintela isenzeko sokuplaga inetha, umgangatho ombi kunye nokwahlukana kombala ngexesha lokusetyenziswa.
2.3.Ukuba iqondo lokushisa liphezulu okanye i-glaze slurry kufuneka ibekwe ixesha elide, ii-preservatives kufuneka zongezwe.
3. Uhlalutyo lweengxaki eziqhelekileyo zeI-CMC kwi-ceramicimveliso
3.1.Ubumanzi bodaka akulunganga, kwaye kunzima ukukhulula iglu.
Ngenxa ye-viscosity yayo, i-CMC iya kubangela ukuba i-viscosity yodaka ibe phezulu kakhulu, okwenza kube nzima ukukhulula udaka.Isisombululo kukulungelelanisa inani kunye nohlobo lwe-coagulant.Ifomula ye-decoagulant elandelayo inconywa: (1) i-sodium tripolyphosphate 0.3%;(2) i-sodium tripolyphosphate 0.1% + iglasi yamanzi 0.3%;(3) i-humic acid I-Sodium 0.2% + i-sodium tripolyphosphate 0.1%
3.2.I-glaze slurry kunye ne-inki yokushicilela incinci.
Izizathu zokuba i-glaze slurry kunye ne-inki yokuprinta icunyulwe ngolu hlobo lulandelayo: (1) I-glaze slurry okanye i-inki yokushicilela ikhukuliswe yi-microorganisms, eyenza i-CMC ingasebenzi.Isisombululo kukuhlamba ngokucokisekileyo isitya se-glaze slurry okanye inki, okanye ukongeza izinto ezigcinayo ezifana ne-formaldehyde kunye ne-phenol.(2) Ngaphantsi kokuvuselela okuqhubekayo phantsi kwamandla okucheba, i-viscosity iyancipha.Kucetyiswa ukongeza isisombululo samanzi se-CMC ukulungelelanisa xa usebenzisa.
3.3.Ncamathelisa umnatha xa usebenzisa iglaze yoshicilelo.
Isisombululo kukulungelelanisa inani le-CMC ukwenzela ukuba i-viscosity ye-glaze yokushicilela imodareyitha, kwaye ukuba kuyimfuneko, yongeza inani elincinci lamanzi ukuze udibanise ngokulinganayo.
3.4.Kukho amaxesha amaninzi okuvalwa kwenethiwekhi kunye nokucoca.
Isisombululo kukuphucula ukungafihli kunye nokunyibilika kweCMC;emva kokuba ioli yokushicilela ilungisiwe, dlula kwi-sieve ye-120-mesh, kwaye ioli yokushicilela nayo ifuna ukudlula kwi-sieve ye-100-120-mesh;lungisa i-viscosity ye-glaze yokushicilela.
3.5.Ukugcinwa kwamanzi akulungile, kwaye umphezulu wentyatyambo uya kuxutywa emva kokushicilela, okuya kuchaphazela ukuprintwa okulandelayo.
Isisombululo kukwandisa inani le-glycerin kwinkqubo yokulungiselela ioli yokushicilela;sebenzisa i-viscosity ephakathi kunye nephantsi ye-CMC eneqondo eliphezulu lokutshintshela (ukutshintshana okulungileyo okufanayo) ukulungiselela ioli yokushicilela.
Ixesha lokuposa: Jan-04-2023