Kuvavarira kukanganisa kwezvikamu zvakasiyana zve yakakwirira alumina refractory zvidhinha pane kuita

Nekuwedzera kweAl2O3 kugutsikana mune yakakwirira alumina refractory zvidhinha, chiyero chemullite uye corundum zvikamu zvinowedzerawo, uye chikamu chegirazi chinoderera zvakafanana, uye kupisa kwemoto uye kusimba kwealumina yakakwira zvidhinha zvakare inowedzera. Kana iyo Al2O3 iine muhukuru alumina zvidhinha isingasviki 71.8%, iyo chete yakakwirira-yekushisa yakagadzika crystal chikamu mune yakakwirira alumina refractory brick is mullite, uye inowedzera nekuwedzera kweAl2O3. For yakakwirira-alumina inovhiringidza zvidhinha ine Al2O3 zvinyorwa zvinopfuura 71.8%, iyo yakakwirira-yepamusoro yakagadzikana crystal phases ndeye mullite uye corundum. Sezvo zviri mukati 71.8% zvichiwedzera, huwandu hwe corundum hunowedzera uye mullite inoderera, uye yakakwirira-yekushisa zvinhu zve. yakakwirira-alumina inovhiringidza zvidhinha dzinovandudzwa maererano.

Kupisa kwekushisa kwealumina refractory zvidhinha kunoenderana nekusagadzikana kwealumina mbishi zvinhu. Paunenge uchishandisa giredhi yakakosha uye ini giredhi bauxite clinker (yakawanda density ≥ 2.80g/cm3), iyo mbishi ine yunifomu chimiro uye yakakwira tsvina yemukati, izvo zvinoita kuti muviri wakasvibira uve nyore kunyura, asi sintering tembiricha yemhando yakamanikana, iyo iri zviri nyore kukonzera kunyanya kutsva kana Kupisa. Paunenge uchishandisa Kirasi II bauxite clinker (yakawanda density ≥2.55g/cm3), nekuda kwekuwedzera uye kusunungura mhedzisiro inokonzerwa neyechipiri mulliteization, iyo yakasvibira muviri haisi nyore kunyudza, saka tembiricha yekupfura yakakwira zvishoma. Paunenge uchishandisa Kirasi III bauxite clinker (yakawanda density ≥2.45g/cm3), chimiro chakakora, zvirimo muAl2O3 zvakaderera, uye tembiricha yekupfura yakadzikira, kazhinji yakakwira zvishoma pane kupisa kwekupisa kwezvidhinha zvevhu ne30~50. ℃. High-alumina refractory zvidhinha zvinopiswa mumoto weoxidizing.