Magnesia Chrome Brick

Litene tsa chrome tsa Magnesia li sebelisoa haholo indastering le kaho ka lebaka la thepa ea bona ea boleng bo holimo e kang ho hanyetsa mocheso le khatello ea khatello. Hape ho na le mefuta e fapaneng ea litene tsa magnesia chrome. Ho latela litlhoko tsa lihlahisoa tse fapaneng, ho na le mefuta e meraro haholo ea litene tsa magnesia chrome. mosa:

1. Litene tse thunngoeng magnesia chrome: litene tsa magnesia tsa chrome li entsoe ka metsoako e metle ea boleng bo holimo ba magnesia le chrome ore. Likahare tsa Cr2O3 li fetotsoe ho latela litlhoko tse fapaneng. Sehlahisoa se na le botsitso bo botle ba mocheso le ts’ebetso e phahameng ea mocheso. E sebelisoa haholo ho li-kilns tsa samente le metallurgy e se nang mafura. Sebōpi joalo-joalo.

2. Litene tse kopantsoeng ka kotloloho tsa magnesia-chrome: Litene tse kopantsoeng ka kotloloho tsa magnesia-chrome li sebelisa litšepe tsa chrome tse sa hloekang le boleng bo phahameng ba boleng bo phahameng e le lisebelisoa tse tala, kamora ho bopa khatello e phahameng, le ho chesa mocheso o phahameng mocheso o kaholimo ho 1 700 ℃. Tshebetso e ntle ea mocheso o phahameng, ho hanyetsa khoholeho ea mobu e matla. Ho hanyetsa khoholeho ea mobu ea samente. E sebelisoa haholo ho litofo tsa metallurgic tse se nang mafura le li-kilns tsa rotary tsa samente.

3. Semi-recombined magnesia chrome litene le litene tsa magnesia chrome: semi-recombined magnesia chrome litene le recombined magnesia chrome litene, ho sebelisa karolo kapa lehlabathe lohle le kopantsoeng (le tsoakiloeng lehlabathe la maiketsetso) e le lisebelisoa tse tala, metsoako e metle, khatello e phahameng ea khatello, Ultra -e phahameng mocheso oa ho bala, ho kopanya likaroloana tse ntle, matla a sehlahisoa se phahameng, botsitso bo botle ba molumo, bo sebelisoang haholo ho RH, VOD, AOD le lisebelisoa tse ling tsa kantle tsa ho hloekisa, sebopi sa metallurgy se se nang mafura, jj.

4. Magnesia chrome litene ke lihlahisoa tsa alkaline tse qhekellang tse nang le 55% ho isa ho 80% MgO le 8% ho isa ho 20% Cr2O3, e entsoeng ka periclase, spinel e kopaneng le karolo e nyane ea karolo ea silicate. Spinel e kopaneng e kenyelletsa tharollo e tiileng ea MgAl2O4, MgFe2O4, MgCr2O4 le FeAl2O4.

Litene tsa chrome tsa Magnesia li tsoetse pele ka potlako kamora li-1960 ka lebaka la keketseho ea bohloeki ba thepa e tala le mocheso o chesang. Hajoale, magnesia chrome litene li ka aroloa ka litene tse tloaelehileng, litene tse tobileng, litene tse kopantsoeng, litene tse kopantsoeng le litene tsa Cast, jj.

(1) Tloaelehileng magnesia chrome setene: Sena ke sehlahisoa setso, sebelisa chrome manya joaloka likaroloana mahoashe le magnesia joaloka phofo e thumisehileng. Kapa lisebelisoa tse peli li entsoe ka likaroloana tse hlophiloeng, ‘me mocheso oa ho thunya ka kakaretso ke 1550 ~ 1600 ° C. Microstructure ea setene sena e bonts’a hore ho na le kamano e nyane ka kotloloho lipakeng tsa likaroloana tsa chromite le periclase, haholo-holo samente ea silicate (CMS) kapa ho itšehla thajana; ho na le mekhahlelo e fokolang ea ho senyeha ha periclase, mme ha ho na kamano e tobileng ho matrix. Ka kopanelo, setene sena se na le thepa e futsanehileng ea mochini le khanyetso e mpe ea slag.

(2) Litene tse kopantsoeng ka kotloloho tsa magnesia-chrome: Litene tse kopantsoeng ka kotloloho tsa magnesia-chrome li hlahisoa motheong oa litene tse tloaelehileng tsa magnesia-chrome. Ho na le litšobotsi tse peli tsa mantlha tsa tlhahiso. E ‘ngoe ke tšebeliso ea lisebelisoa tse hloekileng,’ me e ‘ngoe ke tšebeliso ea lithunya tse phahameng. mocheso. Seo ho thoeng ke tlamo e tobileng se bolela hore ho na le kamano e otlolohileng haholoanyane lipakeng tsa likaroloana tsa chrome ore ka setene le periclase, hobane thepa e tala e na le SiO2 e nyane (e laoloang ka tlase ho 1% ho isa ho 25%), ‘me palo ea silicate e hlahisitsoeng e nyane . Mokhoa oa ho thunya o pepeta silicate likhutlong tsa likaroloana tse thata. Ka hona re ntlafatsa tlamahano e tobileng ea karolo e tiileng.

Litene tse kopantsoeng ka kotloloho tsa magnesia-chrome li na le boemo bo holimo ba ho hokahana ka kotloloho, e le hore litene li be le matla a phahameng a mocheso, ho hanyetsa slag, ho hanyetsa ts’enyeho, ho hanyetsa khoholeho, ts’enyeho ea ts’enyeho, botsitso bo botle ba mocheso le botsitso ba molumo ho 1800 ° C.

(3) Co-sintered magnesia-chrome setene: Ts’ebetso ea sehlahisoa sena e tšoauoa ka mocheso o phahameng oa mocheso o chesang motsoako oa magnesia le chromium ore phofo e ntle ka karolelano e itseng ho fihlela moloko oa spinel ea bobeli le magnesia-chrome ore Karabelo ea mokhahlelo o tiileng molemong oa ho hokahana ka kotloloho ho lokisa thepa e tloaelehileng e sintered, e sebelisetsoang ho hlahisa lihlahisoa tse thunngoeng kapa lihlahisoa tse kopantsoeng ka lik’hemik’hale.

Khokahano e tobileng le sebopeho sa microstructure ea litene tse kopaneng tsa magnesia-chrome li betere ho feta tsa litene tse tlamiloeng ka kotloloho. Palo ea karolo ea “periclase desolubilization” le “spinel” ea bobeli ba sekhahla e mengata. Co-sintered magnesia-chrome litene li na le letoto la ho otloloha ho kopaneng le ts’ebetso e betere ea litene, e tsebahala haholo ka matla a eona a phahameng a mocheso, ho hanyetsa mocheso ka potlako le ho hanyetsa slag. Litene tse tloaelehileng tsa sintered le tsona li ka aroloa ka mefuta e ‘meli, e’ ngoe ke setene se tloaelehileng sa sintered, letoto la lisebelisoa tse tloaelehileng tsa sintered tsa likaroloana le phofo e ntle, ekaba e chesoa kapa e kopantsoe ka lik’hemik’hale, microstructure ea eona e ts’oana hantle; ea bobeli ke karolo e ‘ngoe e tloaelehileng Bakeng sa litene tse sintered, ho na le karolo ea metsoako, joalo ka thepa e tloaelehileng ea ho sintering bakeng sa likaroloana tse mahoashe,’ me karolo ea phofo e ntle e ka tsoakoa ka setene ka karolo e itseng ka tšepe e ntle ea chrome le pampiri ea magnesia , e le hore lihlahisoa tse thunngoeng le tse kopantsoeng ka lik’hemik’hale li be microscopic Sebopeho se fapane.

(4) Khopotso ea litene tsa magnesia-chromium: phofo e kopantsoeng ea magnesia-chromium e qhibilihisoa ke mokhoa oa ho qhibiliha oa motlakase, ‘me ho qhibiliha ho entsoe kristale ho theha microstructure e ts’oanang, e nang le magnesia-chromium spinel le periclase kristale e tsoakiloeng e le karolo ea mantlha ea karolo Sesebelisoa se kopantsoeng sa magnesia-chromium se siloa ka boholo bo itseng, se kopantsoe le ho boptjoa, ebe se thunngoa ho lokisa litene tse kopantsoeng, kapa se sebelisoa ka kotloloho joalo ka litene tse samente tsa khemikhale.

Microstructure ea setene se kopaneng se khetholloa ka ho hokahana ka kotloloho le karolo e kholo ea mokokotlo oa spinel desolvent: kristale ea motheo e nang le karolo e ngata ea ho senya e fetola likarolo tsa ‘mele le tsa lik’hemik’hale tsa periclase, joalo ka ho fokotsa kholo ea mocheso. koekoeana. , Ntlafatsa mocheso oa ts’ireletso ea mocheso, ntlafatsa ho hanyetsa khoholeho ea mobu ea acid-alkaline. Litene tse kopaneng li na le thepa e ts’oanang le ea litene tse kopantsoeng, empa li na le khanyetso e ntle ho liphetoho tse potlakileng tsa mocheso le mochini o ts’oanang oa junifomo ho feta litene tse kopantsoeng.

E kopantsoe le setene sa magnesia chrome, ke matrix e boreleli e nang le kabo ea junifomo ea junifomo le li-microcracks, mme kutloisiso ea eona ho liphetoho tsa tšohanyetso mochesong e molemo ho feta ea ho qhibiliha le ho lahla. Ts’ebetso ea mocheso o phahameng oa sehlahisoa e lipakeng tsa setene se kopantsoeng le setene se kopaneng ka kotloloho.

(5) Fused and cast magnesia chrome litene: Beha motsoako oa magnesia le chrome ore ka sebōping sa motlakase hore se qhibilihe ka botlalo, ebe o tšela qhibilihisoa ka hlobo e sa sebetseng bakeng sa ho betsa. Nakong ea ts’ebetso ea ho tiisa, ho thehoa mekhahlelo e tsitsitseng ea periclase le spinel kristale, mme sebopeho sa kristale se setle se theoa ka nako e ts’oanang, ka hona setene sa magnesia chrome se na le matla a holimo a phahameng a mocheso le khanyetso ea slag.

Litene tsa Magnesium chrome li sebelisoa haholo indastering ea tšepe, joalo ka kaho ea litulo tse bulehileng tsa sebōpi, litulo tsa sebopi sa motlakase, sebopi sa ho hloekisa sebōpi le lits’oants’o tse fapaneng tsa tšepe tse sa tšepe. Karolo e nang le mocheso o phahameng oa lebota la sebōpi sa motlakase o matla haholo e entsoe ka litene tse kopantsoeng tsa magnesia-chrome. -e leng sebaka sa sebōpi sa tšepe se qhibilihisang se entsoe ka litene tsa magnesia-chrome le thepa ea maiketsetso. E entsoe ka litene tsa magnesia chrome. Ntle le moo, litene tsa magnesia-chrome le tsona li sebelisoa sebakeng se tukang sa li-kilns tsa rotary tsa samente le tse nchafatsang li-kilns tsa khalase.

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Magnesia Chrome Brick

Litene tsa chrome tsa Magnesia li sebelisoa haholo indastering le kaho ka lebaka la thepa ea bona ea boleng bo holimo e kang ho hanyetsa mocheso le khatello ea khatello. Hape ho na le mefuta e fapaneng ea litene tsa magnesia chrome. Ho latela litlhoko tsa lihlahisoa tse fapaneng, ho na le mefuta e meraro haholo ea litene tsa magnesia chrome. mosa:

1. Litene tse thunngoeng magnesia chrome: litene tsa magnesia tsa chrome li entsoe ka metsoako e metle ea boleng bo holimo ba magnesia le chrome ore. Likahare tsa Cr2O3 li fetotsoe ho latela litlhoko tse fapaneng. Sehlahisoa se na le botsitso bo botle ba mocheso le ts’ebetso e phahameng ea mocheso. E sebelisoa haholo ho li-kilns tsa samente le metallurgy e se nang mafura. Sebōpi joalo-joalo.

2. Litene tse kopantsoeng ka kotloloho tsa magnesia-chrome: Litene tse kopantsoeng ka kotloloho tsa magnesia-chrome li sebelisa litšepe tsa chrome tse sa hloekang le boleng bo phahameng ba boleng bo phahameng e le lisebelisoa tse tala, kamora ho bopa khatello e phahameng, le ho chesa mocheso o phahameng mocheso o kaholimo ho 1 700 ℃. Tshebetso e ntle ea mocheso o phahameng, ho hanyetsa khoholeho ea mobu e matla. Ho hanyetsa khoholeho ea mobu ea samente. E sebelisoa haholo ho litofo tsa metallurgic tse se nang mafura le li-kilns tsa rotary tsa samente.

3. Semi-recombined magnesia chrome litene le litene tsa magnesia chrome: semi-recombined magnesia chrome litene le recombined magnesia chrome litene, ho sebelisa karolo kapa lehlabathe lohle le kopantsoeng (le tsoakiloeng lehlabathe la maiketsetso) e le lisebelisoa tse tala, metsoako e metle, khatello e phahameng ea khatello, Ultra -e phahameng mocheso oa ho bala, ho kopanya likaroloana tse ntle, matla a sehlahisoa se phahameng, botsitso bo botle ba molumo, bo sebelisoang haholo ho RH, VOD, AOD le lisebelisoa tse ling tsa kantle tsa ho hloekisa, sebopi sa metallurgy se se nang mafura, jj.

4. Magnesia chrome litene ke lihlahisoa tsa alkaline tse qhekellang tse nang le 55% ho isa ho 80% MgO le 8% ho isa ho 20% Cr2O3, e entsoeng ka periclase, spinel e kopaneng le karolo e nyane ea karolo ea silicate. Spinel e kopaneng e kenyelletsa tharollo e tiileng ea MgAl2O4, MgFe2O4, MgCr2O4 le FeAl2O4.

Litene tsa chrome tsa Magnesia li tsoetse pele ka potlako kamora li-1960 ka lebaka la keketseho ea bohloeki ba thepa e tala le mocheso o chesang. Hajoale, magnesia chrome litene li ka aroloa ka litene tse tloaelehileng, litene tse tobileng, litene tse kopantsoeng, litene tse kopantsoeng le litene tsa Cast, jj.

(1) Tloaelehileng magnesia chrome setene: Sena ke sehlahisoa setso, sebelisa chrome manya joaloka likaroloana mahoashe le magnesia joaloka phofo e thumisehileng. Kapa lisebelisoa tse peli li entsoe ka likaroloana tse hlophiloeng, ‘me mocheso oa ho thunya ka kakaretso ke 1550 ~ 1600 ° C. Microstructure ea setene sena e bonts’a hore ho na le kamano e nyane ka kotloloho lipakeng tsa likaroloana tsa chromite le periclase, haholo-holo samente ea silicate (CMS) kapa ho itšehla thajana; ho na le mekhahlelo e fokolang ea ho senyeha ha periclase, mme ha ho na kamano e tobileng ho matrix. Ka kopanelo, setene sena se na le thepa e futsanehileng ea mochini le khanyetso e mpe ea slag.

(2) Litene tse kopantsoeng ka kotloloho tsa magnesia-chrome: Litene tse kopantsoeng ka kotloloho tsa magnesia-chrome li hlahisoa motheong oa litene tse tloaelehileng tsa magnesia-chrome. Ho na le litšobotsi tse peli tsa mantlha tsa tlhahiso. E ‘ngoe ke tšebeliso ea lisebelisoa tse hloekileng,’ me e ‘ngoe ke tšebeliso ea lithunya tse phahameng. mocheso. Seo ho thoeng ke tlamo e tobileng se bolela hore ho na le kamano e otlolohileng haholoanyane lipakeng tsa likaroloana tsa chrome ore ka setene le periclase, hobane thepa e tala e na le SiO2 e nyane (e laoloang ka tlase ho 1% ho isa ho 25%), ‘me palo ea silicate e hlahisitsoeng e nyane . Mokhoa oa ho thunya o pepeta silicate likhutlong tsa likaroloana tse thata. Ka hona re ntlafatsa tlamahano e tobileng ea karolo e tiileng.

Litene tse kopantsoeng ka kotloloho tsa magnesia-chrome li na le boemo bo holimo ba ho hokahana ka kotloloho, e le hore litene li be le matla a phahameng a mocheso, ho hanyetsa slag, ho hanyetsa ts’enyeho, ho hanyetsa khoholeho, ts’enyeho ea ts’enyeho, botsitso bo botle ba mocheso le botsitso ba molumo ho 1800 ° C.

(3) Co-sintered magnesia-chrome setene: Ts’ebetso ea sehlahisoa sena e tšoauoa ka mocheso o phahameng oa mocheso o chesang motsoako oa magnesia le chromium ore phofo e ntle ka karolelano e itseng ho fihlela moloko oa spinel ea bobeli le magnesia-chrome ore Karabelo ea mokhahlelo o tiileng molemong oa ho hokahana ka kotloloho ho lokisa thepa e tloaelehileng e sintered, e sebelisetsoang ho hlahisa lihlahisoa tse thunngoeng kapa lihlahisoa tse kopantsoeng ka lik’hemik’hale.

Khokahano e tobileng le sebopeho sa microstructure ea litene tse kopaneng tsa magnesia-chrome li betere ho feta tsa litene tse tlamiloeng ka kotloloho. Palo ea karolo ea “periclase desolubilization” le “spinel” ea bobeli ba sekhahla e mengata. Co-sintered magnesia-chrome litene li na le letoto la ho otloloha ho kopaneng le ts’ebetso e betere ea litene, e tsebahala haholo ka matla a eona a phahameng a mocheso, ho hanyetsa mocheso ka potlako le ho hanyetsa slag. Litene tse tloaelehileng tsa sintered le tsona li ka aroloa ka mefuta e ‘meli, e’ ngoe ke setene se tloaelehileng sa sintered, letoto la lisebelisoa tse tloaelehileng tsa sintered tsa likaroloana le phofo e ntle, ekaba e chesoa kapa e kopantsoe ka lik’hemik’hale, microstructure ea eona e ts’oana hantle; ea bobeli ke karolo e ‘ngoe e tloaelehileng Bakeng sa litene tse sintered, ho na le karolo ea metsoako, joalo ka thepa e tloaelehileng ea ho sintering bakeng sa likaroloana tse mahoashe,’ me karolo ea phofo e ntle e ka tsoakoa ka setene ka karolo e itseng ka tšepe e ntle ea chrome le pampiri ea magnesia , e le hore lihlahisoa tse thunngoeng le tse kopantsoeng ka lik’hemik’hale li be microscopic Sebopeho se fapane.

(4) Khopotso ea litene tsa magnesia-chromium: phofo e kopantsoeng ea magnesia-chromium e qhibilihisoa ke mokhoa oa ho qhibiliha oa motlakase, ‘me ho qhibiliha ho entsoe kristale ho theha microstructure e ts’oanang, e nang le magnesia-chromium spinel le periclase kristale e tsoakiloeng e le karolo ea mantlha ea karolo Sesebelisoa se kopantsoeng sa magnesia-chromium se siloa ka boholo bo itseng, se kopantsoe le ho boptjoa, ebe se thunngoa ho lokisa litene tse kopantsoeng, kapa se sebelisoa ka kotloloho joalo ka litene tse samente tsa khemikhale.

Microstructure ea setene se kopaneng se khetholloa ka ho hokahana ka kotloloho le karolo e kholo ea mokokotlo oa spinel desolvent: kristale ea motheo e nang le karolo e ngata ea ho senya e fetola likarolo tsa ‘mele le tsa lik’hemik’hale tsa periclase, joalo ka ho fokotsa kholo ea mocheso. koekoeana. , Ntlafatsa mocheso oa ts’ireletso ea mocheso, ntlafatsa ho hanyetsa khoholeho ea mobu ea acid-alkaline. Litene tse kopaneng li na le thepa e ts’oanang le ea litene tse kopantsoeng, empa li na le khanyetso e ntle ho liphetoho tse potlakileng tsa mocheso le mochini o ts’oanang oa junifomo ho feta litene tse kopantsoeng.

E kopantsoe le setene sa magnesia chrome, ke matrix e boreleli e nang le kabo ea junifomo ea junifomo le li-microcracks, mme kutloisiso ea eona ho liphetoho tsa tšohanyetso mochesong e molemo ho feta ea ho qhibiliha le ho lahla. Ts’ebetso ea mocheso o phahameng oa sehlahisoa e lipakeng tsa setene se kopantsoeng le setene se kopaneng ka kotloloho.

(5) Fused and cast magnesia chrome litene: Beha motsoako oa magnesia le chrome ore ka sebōping sa motlakase hore se qhibilihe ka botlalo, ebe o tšela qhibilihisoa ka hlobo e sa sebetseng bakeng sa ho betsa. Nakong ea ts’ebetso ea ho tiisa, ho thehoa mekhahlelo e tsitsitseng ea periclase le spinel kristale, mme sebopeho sa kristale se setle se theoa ka nako e ts’oanang, ka hona setene sa magnesia chrome se na le matla a holimo a phahameng a mocheso le khanyetso ea slag.

Litene tsa Magnesium chrome li sebelisoa haholo indastering ea tšepe, joalo ka kaho ea litulo tse bulehileng tsa sebōpi, litulo tsa sebopi sa motlakase, sebopi sa ho hloekisa sebōpi le lits’oants’o tse fapaneng tsa tšepe tse sa tšepe. Karolo e nang le mocheso o phahameng oa lebota la sebōpi sa motlakase o matla haholo e entsoe ka litene tse kopantsoeng tsa magnesia-chrome. -e leng sebaka sa sebōpi sa tšepe se qhibilihisang se entsoe ka litene tsa magnesia-chrome le thepa ea maiketsetso. E entsoe ka litene tsa magnesia chrome. Ntle le moo, litene tsa magnesia-chrome le tsona li sebelisoa sebakeng se tukang sa li-kilns tsa rotary tsa samente le tse nchafatsang li-kilns tsa khalase.

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