Ngwaahịa
Bricks Mullite dị fechaa 0.8
Nkọwa nke brik Mullite dị fechaa
Ihe na-eme ka alumina dị elu na mulite dị ka akụkụ kristal bụ isi n'ozuzu nwere ọdịnaya alumina nke 50%-75%. The refractory okpomọkụ nke mullite fechaa brik nwere ike iru n'elu 1790 ℃. Ibu nro mmalite okpomọkụ bụ 1600-1700 ℃. Nguzogide nrụgide ime ụlọ bụ ọkụ 70-260MPa. Ezigbo ujo na-eguzogide okpomọkụ. Enwere ụdị abụọ: brik na-agba agba na brik mullite jikọtara ọnụ.
A na-eji brik mullite dị elu mee ihe dị elu nke alumina bauxite clinker dị ka isi ihe eji eme ihe, na-eji obere ụrọ ma ọ bụ raw bauxite dị ka ihe nkedo, a na-akpụkwa ya ma gbanye ya. A na-eji brik mullite fused nke elu-alumina bauxite, alumina ụlọ ọrụ mmepụta ihe na ụrọ refractory, nke nwere unyi ma ọ bụ coke dị mma agbakwunyere dị ka onye na-ebelata ihe. Mgbe emechara, a na-emepụta ha site na usoro mbelata fusion. Kristal nke mullite fused dị ukwuu karịa nke sintered mullite, na nguzogide okpomọkụ dị mma karịa nke ngwaahịa ndị na-esi ísì ụtọ. Ọrụ ha dị elu na-ekpo ọkụ na-adabere na ọdịnaya nke alumina na ịdị n'otu nke nkesa nke oge mulite na iko.
Ihe na-emepụta ihe na-eme ka alumina dị elu na mullite (3Al2O3 · 2SiO2) dị ka akụkụ kristal bụ isi. Ọdịnaya alumina n'ozuzu dị n'etiti 65% na 75%. Na mgbakwunye na mullite, ihe mejupụtara mineral nwekwara obere oge nke iko iko na quartz nwere ọdịnaya alumina dị ala; na obere corundum nke nwere ihe dị elu nke alumina. Enwere ike iji brik mullite dị fechaa ozugbo maka akwa mkpuchi ọkụ na-ekpo ọkụ, ma a na-ejikarị ya eme ihe ugbu a n'ebe a na-ebugharị ụgbọ ala, ebe a na-akpụgharị ihe, iko na petrochemical kiln lining.
Akụkụ anụ ahụ na kemịkalụ nke brik mullite dị fechaa bụ ndị a:
Tinyere na:
Glass agbaze ọkụ elu Ọdịdị ihe ọwa brik, mgbanwe efere, nhazi kiln elu Ọdịdị, E-glass agbaze ọkụ brik. Ebe a na-agba ọkụ, ebe a na-agbaze ihe, ngwaọrụ nnụcha, ngwaọrụ kpo oku, na ihe ndị ọzọ na-ekpo ọkụ. Ebe ngwa: ụlọ ọrụ seramiiki, ụlọ ọrụ iko, ụlọ ọrụ nchara, ụlọ ọrụ petrochemical, ụlọ ọrụ aluminum, na ubi mmepụta ihe ndị ọzọ.