Lehlabathe la Foundry le sebelisoa e le sesebelisoa sa granular refractory bakeng sa ho bopa lehlabathe le lehlabathe la mantlha tlhahisong ea setsi.Tabeng ea ho sebelisa letsopa e le tlamo ea lehlabathe la ho bōpa, bakeng sa lithane tse 'ngoe le tse ling tsa li-castings tse tšoanelehang tse hlahisoang, ho hlokahala ho eketsa 1 tonne ea lehlabathe le lecha.Ka hona, ho sebelisoa lehlabathe le leholo ka ho fetisisa tlhahisong ea lehlabathe.
Lekholong la bo17 la lilemo, China e ne e sebelisa lehlabathe la silika e le sesebelisoa sa ho bopa ho etsa lintho tse kang lioache, liipone, lipitsa le lithunya.Leha ho le joalo, boholo ba lehlabathe leo e ne e le lehlabathe le nang le letsopa la tlhaho la silika, e leng lehlabathe la thaba le lehlabathe la noka, le neng le e-na le polasetiki e ntlafetseng 'me e ka sebelisoa ka ho toba ho etsa liforomo le li-cores.Ka mor'a hore li-castings li kene tlhahiso ea boima ba indasteri, haholo-holo ka mor'a mochine oa ho etsa mohlala, ho tšoana ha lehlabathe la silika la tlhaho le nang le letsopa ho fokola, 'me boleng ba lehlabathe la ho bopa bo thata ho bo laola, bo ke keng ba finyella litlhoko tsa ts'ebetso.Ka hona, semela sa lehlabathe se ile sa qalisoa ho sebetsana le lehlabathe la tlhaho la silika ka Scrubing, ho khetha ho fumana mefuta e fapaneng ea lehlabathe la silika.Ntle ho moo, lehlabathe la maiketsetso la silica le lona le etsoa ka ho silakanya silika.Ka nako e ts'oanang, e boetse e holisa ts'ebeliso le nts'etsopele ea mefuta e fapaneng ea lehlabathe la lehlabathe le se nang silicon le lits'ebetso tsa ho etsa mantlha, 'me e beha litlhoko tse phahameng bakeng sa boleng ba lehlabathe la ho lahla, joalo ka phofo e nyane e nyane, moeli o fokolang o itseng le o tlase. tšebeliso ea acid.Ka hona, linaha tse ling tse hlokang mehloli ea lehlabathe ea boleng bo holimo bakeng sa boholo ba lehlabathe le tsona li thehile theknoloji ea silika ea flotation ho ntlafatsa boemo le boleng ba lehlabathe la silika.

Lehlabathe la Foundry le lokela ho fihlela litlhoko tse latelang: ① bohloeki bo phahameng le bohloeki, ho nka lehlabathe la silika e le mohlala, lehlabathe la tšepe ea tšepe le hloka SiO.₂litaba tse ka holimo ho 90%, likarolo tsa tšepe tse sintered li hloka SiO₂litaba tse ka holimo ho 97%;② ho hanyetsa mollo o phahameng Degree le botsitso ba mocheso;③ Sebopeho se nepahetseng sa karoloana le sebopeho sa likaroloana;④ Ha e tšeloe habonolo ke tšepe e metsi;⑤ E theko e tlaase ebile e fumaneha habonolo.
Ho tloha ka 1951, Chaena e entse palo ea sechaba ea mehloli ea lehlabathe e thehiloeng ka tatellano, empa haholo-holo e haufi le litsela tse kholo tsa lipalangoang le litoropo tse kholo tsa indasteri.Zhelimeng, Inner Mongolia, mehloli ea lehlabathe la silika ea tlhaho e fihla ho lithane tse limilione tse makholo, 'me sebopeho sa eona se haufi le selikalikoe, le SiO.₂dikahare ke hoo e ka bang 90%, e leng e loketseng haholo bakeng sa ho lahla indasteri.Lehlabathe la leoatle la Jinjiang, Dongshan, Fujian, SiO₂dikahare ke 94 ~ 98%.Ho na le palo e kholo ea lehlabathe la silika la noka ea Quaternary le letša la sedimentary Duchang, Xingzi, Setereke sa Yongxiu, Profinseng ea Jiangxi.The SiO₂dikahare ke hoo e ka bang 90%.E na le lehlabathe le ruileng le le senyehang la lehlabathe Guangzhou le Hunan.SiO ea eona₂litaba li ka holimo ho 96%, tse ka sebelisoang bakeng sa dikahare tse tlaase tsa tšepe, li-oxide tse fokolang tsa alkaline, boholo ba likaroloana tse tšoanang.