Clay bonded refractory castable e boetse e sebelisoa hangata, le hoja refractoriness e se e phahameng ho feta e phahameng ea aluminium refractory castable, empa theko e batla e le theko e tlaase, tlas'a ketso ea sodium hacetaphosphate dispersant le coagulant, ha e le hantle fumana ts'ebetso ea kaho, mocheso le mocheso o tlaase. matla. Ka hona, ka letsopa-bonded refractory castable, feela dispersant ka ka ho feletseng qhalakanya likaroloana tsa letsopa ho fokotsa secretion ea likaroloana tsa letsopa, ha sodium hexametaphosphatine ka phetha karolo e ntle ea hasana ka letsopa-bonded refractory castable, e le hore letsopa-bonded. refractory castable e na le mokelikeli o motle le o hahang, e le ho netefatsa ts'ebetso ea eona e ntle ea mocheso o phahameng.
Karolelano ea motsoako oa letsopa refractory castable e fapane. Letsopa le kopantsoeng le refractory castable le na le litlhoko tse khethehileng tsa index bakeng sa letsopa: AL2O3 ke 29% ~ 35%, Fe2O3 e ka tlase ho 1.8%, K2O e ka tlase ho 1.1%, ho chesa ho fokotsehile ho 10% ~ 14%, refractoriness e kholo ho feta. 1670 ℃, 'me e na le mefuta e mengata ea mocheso oa sintering, sebopeho sa liminerale se lokela ho ba le palo e nyane ea montmorillonite le mica le lintho tse ling, e le hore e be le kamano e ntle le polasetiki. Ho feta 60% ea letsopa e lokela ho ba ka tlase ho 0.088mm ka mor'a ho sila, 'me tekanyo ea eona ke 7% -13%.
Refractory aggregate haholo-holo e sebelisa clinker ea letsopa le klinka e phahameng ea bauxite, boholo bo boholo ba 10mm, litlaleho tse akaretsang tse ka bang 70%, phofo e ntle e khetha e khethehileng kapa A high bauxite clinker bakeng sa ho sila, ka linako tse ling hape e kopantsoe le phofo ea aluminium kapa phofo ea corundum, litlaleho tse ka tlaase ho 0.088mm. bakeng sa ho feta 85%, ka castable 17% ~ 25%.
Khetho e akaretsang ea samente e phahameng ea aluminium kapa samente e hloekileng ea k'halsiamo e le ntho e thatafatsang, tekanyo ke 0.2% ~ 3.0%, tsamaisong ea letsopa ea colloidal dispersion, eketsa li-ion tsa tšepe tsa alkali e le dispersant, li ka etsa letsopa la alkali ion, hobane li-ion tsa alkali li na le positivity e matla, phapang e ka bang teng, matla a nyonyehang pakeng tsa likaroloana tsa letsopa. Ho na le li-cations tse ngata ka letsopa, 'me karohano ea likaroloana e eketseha, e khothalletsang gel ea colloidal ea letsopa, e ntša metsi a sa lefelloeng, e ntlafatsa ho phalla ha metsi,' me e loketse ho bōpa ho susumetsang.
Ha ho bapisoa le aluminate samente refractory castable, e tloaelehileng letsopa refractory castable o na le litšobotsi tsa matla a phahameng, ha ho na ho fokotseha ha matla ka mocheso mahareng le ho hanyetsa spalling. Ha e bapisoa le polasetiki, e na le litšobotsi tsa kaho e bonolo le polokelo e bonolo. Mocheso oa tšebeliso ea eona hangata ke 1400 -- 1500 ℃.Sodium hexametaphosphate(Hexametaphosphate) e 'nile ea sebelisoa haholo libōping tsa malakabe tse kang letsopa refractory castable soaking sebōpi le ho futhumatsa sebopi.
Nako ea poso: Feb-13-2023
