magnesia-aluminium spinel

Magnesia-aluminium spinel (magnesia-aluminium spinel) inoreva kugadzirwa kwespinel refractory raw material uchishandisa magnesium oxide uye aluminum oxide semidziyo. Iyo mbishi haiwanzo kuwanikwa mumasikirwo, uye maindasitiri magnesia-aluminium spinel ese akagadzirwa echisikigo. Bauxite-based sintered magnesia-aluminium spinel yakagadzirwa nepamusoro-soro bauxite ine Al2O3 zvinyorwa zvinopfuura 76% uye chiedza chepamusoro-chinopisa magnesia powder neMgO zvinyorwa zvinopfuura 95%. Sintered pane tembiricha iri pamusoro.

ziviso

Bauxite-based sintered magnesia-aluminium spinel yakagadzirwa nepamusoro-soro bauxite ine Al2O3 zvinyorwa zvinopfuura 76% uye chiedza chepamusoro-chinopisa magnesia powder neMgO zvinyorwa zvinopfuura 95%. Iyo yepamusoro yepamusoro tembiricha sintering [1].

Maitiro ealuminium-magnesium spinel

Bauxite-based sintered magnesia-aluminium spinel yakagadzirwa nepamusoro-soro bauxite ine Al2O3 zvinyorwa zvinopfuura 76% uye chiedza chepamusoro-chinopisa magnesia powder neMgO zvinyorwa zvinopfuura 95%. Iyo yakanyungudutswa pakupisa kwepamusoro, ine yakakwira yakawanda density, yakakwira mineral phase content, yakanyatsogadzirwa makristasi zviyo, yunifomu chimiro uye yakagadzikana mhando. Magnesium-aluminium spinel ine yakanaka corrosion resistance, yakasimba corrosion uye spalling kugona, yakanaka slag resistance, abrasion resistance, thermal shock stability, high temperature resistance and other performance performance. Icho chinhu chakanakira kugadzirwa kwezvigadzirwa zvinoramba zvakaita semagnesia-aluminium spinel zvidhinha zvekumusoro-tembiricha nzvimbo dzesimende rotary kilns, ladle lining zvidhinha, uye ladle castables. Magnesium-aluminum spinel inoshandiswa zvakanyanya muzvinhu zvinoramba, kunyungudusa simbi, simende inotenderera kilns uye magirazi eindasitiri kilns [2].

Kushandiswa kweAl-Mg Spinel

Iyo ine yakanaka corrosion resistance, abrasion resistance uye yakanaka thermal shock stability. Kunyanya kushandiswa kwayo: Kutanga, kutsiva magnesia chrome jecha kugadzira magnesia-aluminium spinel zvidhinha zvesimende rotary kilns, iyo isingangodzivisi kusvibiswa kwechromium, asiwo ine yakanaka spalling kuramba; chechipiri, inoshandiswa kugadzira ladle castables, inovandudza zvakanyanya Kudzivirirwa kwekuora kwesimbi yesimbi. Inoshandiswa zvakanyanya mune refractory zvinhu zvekugadzira simbi. Kugadzirwa kwemhando yepamusoro pre-synthetic spinel inopa zvinhu zvitsva zvekugadzira zvisina kuumbwa uye zvakaumbwa zvakakwirira-kuchena refractories[2].

gadzirisa sarudzo

Kune marudzi maviri emagetsi ekunyungudika nzira uye sintering nzira. Iyo electrofusion synthesis nzira inoshandisa maindasitiri alumina kana yakakwirira-kuchena bauxite uye chiedza-chakatsva magnesia (ine yakasikwa kana yegungwa (brine) inotakurwa nemvura magnesium) muchikamu, uye inonyungudutswa pakupisa kwakanyanya kunosvika 2200 ℃ muchoto chemagetsi arc. Iyo sintering nzira ndeyekushandisa iyo yataurwa pamusoro peiyo mbishi reshiyo, mushure mekukuya, kusanganisa, kubhora, uye calcining mumoto unotenderera kana shaft kiln pakupisa kwakanyanya pamusoro pe1800 ℃. Mune zvimwe zvidhinha, maindasitiri alumina kana akakwirira Mushure mekuchena kwebauxite clinker yaitwa pasi, inowedzerwa kana yakabatana pasi, yakasanganiswa, uye yakaumbwa maererano nezvinodiwa zvinongedzo, uye yobva yapiswa nekupisa kwakanyanya kugadzira magnesia-aluminium spinel zvidhinha, izvo zviri. inonyanya kushandiswa munzvimbo dzakavhurika dzevira uye zvimwe zvikamu.