Ukwakhiwa okwenziwe ngomshini kodaka oluphambayo kwenze impumelelo eminyakeni yamuva. Udaka oluphamba futhi luthuthukiswe kusuka kusayithi lendabuko lokuxubana nodaka lwamanje oluhlanganisiwe nodaka olumanzi. Ukuphakama kokusebenza kwalo nokuqina kuyizinto ezibalulekile ukukhuthaza ukuthuthukiswa kokulungiswa kokwenziwa kwemishini, futhi kusetshenziswa udaka oluhlaza okwesitsheni olusezingeni eliphakeme linendima engenakufinyeleleka. Kulesi sivivinyo, ngokushintsha i-viscosity kanye nokugcinwa kwamanzi kwe-cellulose ether, futhi ngokuguqulwa kwe-zokwenziwa, ukuncipha kokungaguquki, kanye nokungamelana nokuvulwa kodaka kodaka okwenziwe ngohlelo wafunda. Ekugcineni, kwatholakala ukuthi i-cellulose ether inezici zamazinga aphezulu okugcinwa kwamanzi kanye nempahla enhle yokusonga, futhi ilungele kakhulu ukwakhiwa kodaka okulungisiwe, nazo zonke izinkomba zodaka lokufaka udaka.
Izinga lokugcinwa kwamanzi kodaka oluhlaza
Izinga lokugcinwa kwamanzi lodaka lokuphamba luwumkhuba owandayo lapho ukubonakala kwe-cellulose ether kusukela ku-50 000 kuya ku-100,000, futhi kuwumkhuba onciphayo lapho kufika ku-200,000 kuye ku-200,000, kanti izinga lokugcina lamanzi libe ngama-cellulose ether ukuthola ngaphezu kwama-93%. Ukuphakama kwesilinganiso sokugcinwa kwamanzi kodaka, okungenzeka ukuthi udaka luzopha. Ngesikhathi sokuzama ukufafaza ngomshini wokufafaza kodaka, kwatholakala ukuthi lapho inani lokugcina amanzi le-cellulose ether liphansi kune-92%, udaka luthambekele ekufakweni kokopha ngemuva kwesikhathi, futhi, ekuqaleni kokufafaza , kulula kakhulu ukuvimba ipayipi. Ngakho-ke, lapho ulungiselela udaka oluhlaza olulungele ukwakhiwa okwenziwe ngomshini, kufanele sikhethe i-cellulose ether ngezinga eliphakeme lokugcina amanzi.
Ukulahla udaka 2h ukulahleka kokungaguquguquki
Ngokwezidingo ze-GB / T25181-2010 "ngoLinga oluxubile oluxubile", isidingo sokulahleka kwamahora amabili sokulahleka kodaka olujwayelekile lungaphansi kwama-30%. I-viscosity yakwa-50 000, 100,000, u-150,000, futhi ama-200,000 asetshenziselwa izivivinyo zokulahlekelwa ngu-2h. Kungabonakala ukuthi ukuvuselelwa kwe-cellulose ether, inani le-2h elilahlekile lodaka lizoncipha kancane kancane, okubonisa ukuthi ukubonwa kwe-cellulose ether kukhuphuka inani eliphakeme kanye nokwenza okungcono Ukusebenza kokulwa nodaka kodaka. Kodwa-ke, ngesikhathi sokufafaza kwangempela, kwatholakala ukuthi ngesikhathi sokwelashwa okudala okulula, ngoba ukubonakala kwe-cellulose ether kuphezulu kakhulu, ukubumbana phakathi kodaka kanye ne-trowel kuzoba yimali enkulu, engalungile ekwakheni. Ngakho-ke, endabeni yokuqinisekisa ukuthi udaka akahlali futhi akahlali, ukwehlisa inani le-viscosity ye-cellulose ether, okungcono.
Ukulungiselela Ukuvula Amahora Odaka Ukuvula
Ngemuva kokufakelwa kodaka olufafazwe odongeni, ngenxa yokufakwa kwamanzi kodonga substrate kanye nokuhwamuka komswakama endaweni yodaka, lo mbumbulu uzosebenzisa amandla athile ngesikhathi esifushane, esizothinta ukwakhiwa kwamazinga aphansi . Isikhathi sokushaya sahlaziywa. Inani le-Viscose Ether lisebangeni labantu abangu-100,000 kuya ku-200,000, isikhathi sokusetha asishintshi okuningi, futhi futhi sinokuhlangana okuthile ngamanani okugcinwa kwamanzi, okusho ukuthi, kukhuphuka izinga lokugcina amanzi, isikhathi eside isikhathi sodaka.
UFluity wodaka oluhlaza
Ukulahleka kwemishini yokufafaza kuningi okufanele kwenziwe ngoketshezi lodaka oluhlaza. Ngaphansi kwesilinganiso esifanayo sezinto zamanzi-ezibonakalayo, kuphakama okuvuselelwa kwe-cellulose ether, kwehlisa inani lodaka lodaka. , okusho ukuthi ukukhuphuka okuphezulu kwe-purelulose ether, kukhuliswa kukhuphuka kodaka kanye nokugqoka okukhulu kwemishini. Ngakho-ke, ukwakhiwa okwenziwe ngodaka kodaka oluhlaza, ukubonakala okuphansi kwe-cellulose ether kungcono.
Ukumelana kwe-SAG kodaka oluphamba
Ngemuva kokufakelwa kodaka oluphambayo odongeni, uma ukumelana nodaka kodaka kungalungile, udaka uzokwehla noma avele, ahlukumeze umthwalo wemfutho wodaka, ozodala inkathazo enkulu ekwakhiweni kwamuva. Ngakho-ke, udaka oluhle kufanele ube nokumelana okuhle kwe-thixotropy kanye nokumelana kwe-sag. Ukuhlolwa kwathola ukuthi ngemuva kwe-cellulose ether enokubonakala kuka-50 000 no-100 000 kwakhiwa ngokuqondile, amathayili aqala ngokuqondile, ngenkathi i-cellulosi ether enokubonakala kwa-150,000 nakwa-200,000 azange lishelele. I-angle isuswe ngokuqondile, futhi akukho okushibhile okuzokwenzeka.
Amandla ngodaka lokuphamba
Kusetshenziswa u-50 000, 100,000, 150,000, u-200,000, futhi ama-250,000 ama-cellulose afelles ukulungiselela ukwakhiwa kodaka ngokwenza umsebenzi wokwakha, kwatholakala ukuthi ngokwanda kwe-cellulose ether viscosity, inani lamandla olimi oluhlaza olimi oluphansi. Lokhu kungenxa yokuthi i-cellulose ether yakha isisombululo esiphakeme samanzi, kanti inani elikhulu lama-bubble amoya ezinzile lizokwethulwa ngesikhathi senqubo yokuxuba kodaka. Ngemuva kosimende ukhuni, la mabhu Bubble amoya azokwakha inani elikhulu le-voids, ngaleyo ndlela anciphise inani lamandla kadaka. Ngakho-ke, udaka olubusayo olungele ukwakhiwa okwenziwe ngomshini kufanele lukwazi ukufeza inani lamandla adingwa yi-design, kanye ne-ether yeselula efanelekile kufanele kukhethwe.
Isikhathi sePosi: Mar-15-2023