Izitini zokufaka ugesi ezilula zama-oven engilazi zingahlukaniswa ngezigaba eziyisithupha ngokwezinto zazo zokusetshenziswa ezahlukene. Ezisetshenziswa kakhulu izitini ze-silica ezilula kanye nezitini ze-diatomite. Izitini zokufaka ugesi ezilula zinezinzuzo zokusebenza kahle kokufaka ugesi okushisa, kodwa ukumelana kwazo nokucindezela, ukumelana nokugqwala, kanye nokumelana nokushaqeka kokushisa kubi, ngakho azikwazi ukuthintana ngqo nengilazi encibilikisiwe noma ilangabi.
1. Izitini ze-silica ezilula. Izitini ze-silica ezilula ziwumkhiqizo ovimbela ukufudumala owenziwe nge-silica njengento eluhlaza eyinhloko, enokuqukethwe kwe-SiO2 okungenani okungu-91%. Ubuningi bezitini ze-silica ezilula zingu-0.9 ~ 1.1g/cm3, futhi ukuhanjiswa kwayo kokushisa kuyingxenye nje yalezo zezitini ze-silica ezivamile. Zinokumelana okuhle nokushaqeka kokushisa, futhi izinga lokushisa lazo lokuthambisa ngaphansi komthwalo lingafinyelela ku-1600 ℃, okuphakeme kakhulu kunezitini ze-clay insulation. Ngakho-ke, izinga lokushisa eliphezulu lokusebenza lezitini ze-silica insulation lingafinyelela ku-1550 ℃. Azinciphi emazingeni okushisa aphezulu, futhi zinokukhula okuncane. Izitini ze-silica ezilula ngokuvamile zikhiqizwa nge-crystalline Quartzite njengezinto zokusetshenziswa, futhi izinto ezivuthayo njenge-coke, i-anthracite, i-sawdust, njll. zengezwa ezintweni zokusetshenziswa ukuze zakhe isakhiwo esinezimbobo futhi indlela ye-gas foaming ingasetshenziswa futhi ukwakha isakhiwo esinezimbobo.
2. Izitini ze-Diatomite: Uma kuqhathaniswa nezinye izitini zokushisa ezilula, izitini ze-diatomite zinokusebenza okuphansi kokushisa. Izinga lokushisa lokusebenza liyahlukahluka ngobumsulwa. Izinga lokushisa lokusebenza ngokuvamile lingaphansi kuka-1100 ℃ ngoba ukuncipha komkhiqizo kukhulu kakhulu emazingeni okushisa aphezulu. Izinto zokusetshenziswa zezitini ze-diatomite zidinga ukushiswa ekushiseni okuphezulu, futhi i-silicon dioxide ingaguqulwa ibe yi-quartz. I-lime ingafakwa futhi njenge-binder kanye ne-mineralizer ukukhuthaza ukuguqulwa kwe-quartz ngesikhathi sokushiswa, okuzuzisa ekuthuthukiseni ukumelana nokushisa komkhiqizo kanye nokunciphisa ukuncipha emazingeni okushisa aphezulu.
Umagazini olandelayo sizoqhubeka nokwethula ukuhlukaniswa kwezinhloboisitini sokushisa esilulangama-oven engilazi. Sicela uhlale ubukele!
Isikhathi sokuthunyelwe: Julayi-10-2023
