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Ke lintho life tse entsoeng ka polasetiki tse matla tse sa keneng

Lekhetlong la ho lokolla: 2026-01-05
Abelana:
Refractory ea polasetiki ea matla a holimo e sa kenengke mofuta oa lintho tse sa bōpehang tse refractory tse etselitsoeng ka ho khetheha ho sebelisoa maemong a mocheso o phahameng, a honyehang haholo, le maemo a khoholeho e matla. E na le polasetiki e matla, kaho e bonolo, matla a phahameng, le ho se mamelle hantle, 'me e sebelisoa haholo e le lesela le ka hare bakeng sa lisebelisoa tsa bohlokoa tsa mocheso o phahameng liindastering tse kang matla, metallurgy, samente le boenjiniere ba lik'hemik'hale.

Lisebelisoa tsa mantlha tsa lisebelisoa tsa polasetiki tse matla haholo le tse sa senyeheng:
  • Aggregates le phofo: High-alumina bauxite, corundum, silicon carbide, lehlabathe la chromite, le lisebelisoa tse ling tse thata tse sa sebetseng li khethoa ho theha skeleton ea thepa, ho khetholla ho hanyetsa ho apara le ho hanyetsa mocheso o phahameng.
  • Litlamahano: Ho na le li- hydraulic binders (tse kang samente ea aluminate) le lik'hemik'hale tse kopanyang lik'hemik'hale (tse kang phosphoric acid le phosphate), tse ka phekolehang mocheso oa kamore ntle le mocheso o phahameng oa mocheso.
  • Metsoako: Eketsa lisebelisoa tse fokotsang metsi, li-plasticizers, le li-anti-cracking ho matlafatsa ts'ebetso le ho hanyetsa mapetso nakong ea kaho; kenyelletsa likhoele tsa tšepe le likhoele tsa ceramic ho ntlafatsa ho hanyetsa tšusumetso le ho hanyetsa mocheso oa mocheso.

Litšobotsi tse sebetsang tsa thepa ea polasetiki e sa jeleng matla a phahameng:
  1. "Polasetiki refractory lintho tse bonahalang":e bua ka thepa ea refractory e bonts'ang polasetiki e ntle mochesong oa kamore (e ts'oanang le polasetiki), 'me e ka hahuoa ka mekhoa e kang ramming le ho roala, ntle le ho hloka vibrate bakeng sa ho bopa.
  2. "Matla a phahameng le ho hanyetsa ho apara": Ka ho eketsa li-aggregates tse thata tse kang corundum, silicon carbide (SiC), mullite, le clinker e phahameng ea alumina, le ho li kopanya le phosphate, calcium aluminate samente, kapa li-binders tsa organic, e finyella matla a matla a ho hatella mocheso oa kamore / mocheso o phahameng (≥60 MPa ka mor'a ho omisa ho MP110 ka mor'a ho omisa, MPa 110 ka mor'a ho omisa, MPa 110 ka mor'a ho omisa ka 110 ≄8 ka mor'a ho omisa. 1350 ℃) le liaparo tse ntle haholo ho hanyetsa (ho lahleheloa ke ≤5 cm³, ho molemo haholo ho feta li-castable tse tloaelehileng)

Phapang ea mantlha lipakeng tsa polasetiki e sa jeng matla a phahameng le polasetiki e tloaelehileng e ho:
  • Karolo e matlafatsang e thibelang ho apara:Lintho tse entsoeng ka polasetiki tse matla a phahameng tse sa keneng li matlafatsoa ka likarolo tse thata tse sa keneng tse kang silicon carbide le corundum, kapa likhoele tse sa keneng tsa tšepe, tse bakang khanyetso e phahameng ka makhetlo a 2-3 ho feta ea thepa e tloaelehileng ea polasetiki.
  • Matšoao a matla:E bonts'a matla a ho hatella a phahameng ka kamoreng le mocheso o phahameng, ho etsa hore e tšoanele maemo a thata a ho sebetsa a nang le tšusumetso e phahameng le meroalo e boima. Ka lehlakoreng le leng, lisebelisoa tse tloaelehileng tsa polasetiki li loketse haholo bakeng sa ho kenya mocheso oa mocheso kapa lisebelisoa tse thusang tse nang le ho senyeha ho fokolang.

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