IIMVELISO
Izitena ze-Mullite eziKhalazayo 0.6
Inkcazo ye-Lightweight Mullite Brick
Izinto eziphezulu ze-alumina eziphikisayo kunye ne-mullite njengesigaba esiphambili sekristale ngokubanzi sinomxholo we-alumina we-50% -75%. Ubushushu berefractory bezitena ezikhaphukhaphu mullite zinokufikelela ngaphezulu kwe-1790 ℃. Umthwalo wokuthambisa ubushushu bokuqala yi-1600-1700 ℃. Ukumelana noxinzelelo lobushushu begumbi kukukhanya kwe-70-260MPa. Ukumelana kakuhle nokothuka kwe-thermal. Kukho iindidi ezimbini: izitena ze-mullite ezidityanisiweyo kunye nezitena ezixutyiweyo ze-mullite.
Izitena ze-mullite ze-Sintered zenziwe nge-high-alumina bauxite clinker njengeyona nto iphambili eluhlaza, kunye nexabiso elincinci lodongwe okanye i-bauxite eluhlaza njenge-binder, kwaye yenziwe kwaye i-sintered. Izitena ze-mullite ezixutywe zenziwe nge-alumina ephezulu, i-alumina ye-industrial kunye nodongwe lwe-refractory, kunye ne-charcoal okanye i-coke particles emihle eyongeziweyo njenge-arhente yokunciphisa. Emva kokuqulunqa, zenziwe ngendlela yokunciphisa i-fusion. Iikristale ze-mullite edibeneyo zinkulu kunezo ze-sintered mullite, kwaye ukuxhathisa ukothuka kwe-thermal kungcono kunemveliso ye-sintered. Ukusebenza kwabo okuphezulu kobushushu kuxhomekeke kumxholo we-alumina kunye nokufana kokusabalalisa kwesigaba se-mullite kunye neglasi.
I-alumina ephezulu ye-refractory material kunye ne-mullite (3Al2O3 · 2SiO2) njengesigaba esiphambili se-crystal. Umxholo we-alumina jikelele uphakathi kwe-65% kunye ne-75%. Ukongeza kwi-mullite, ukubunjwa kwamaminerali kuqulethe ixabiso elincinci leglasi kunye ne-quartz enomxholo ophantsi we-alumina; kunye nenani elincinci le-corundum enomxholo ophezulu we-alumina. Izitena ze-mullite ezilula zinokusetyenziswa ngokuthe ngqo kwi-kiln linings ephezulu, kwaye ngoku zisetyenziswa ngokubanzi kwii-shuttle kilns, i-roller kilns, iglasi kunye ne-petrochemical kiln linings.
Iiparamitha ezibonakalayo kunye neekhemikhali zezitena ze-mullite ezikhaphukhaphu zezi zilandelayo:
Ifakwe kwi:
Glass ukunyibilika eziko upper isakhiwo eziphathekayo izitena channel, iipleyiti ukuguqulwa, processing isiko uphezulu isakhiwo, E-iglasi ukunyibilika izitena eziko. Iifiring kilns, izitofu zokunyibilikisa, izixhobo zokusulungekisa, izixhobo zokufudumeza, kunye nezinye izixhobo ezishushu. Imimandla yesicelo: ishishini le-ceramic, ishishini leglasi, ishishini lentsimbi, ishishini lepetrochemical, ishishini le-aluminiyam, kunye namanye amasimi oshishino.