Simenti yayikulu ya aluminiyamu imapangidwa pophatikiza zopangira zosankhidwa mu ng'anjo yapadera. Pambuyo pozizira, clinker imadulidwa pogwiritsa ntchito mphero za mpira. Zopangira za simenti yayikulu ya alumina refractory CA-70 ndi zida za calcium zoyera komanso aluminiyamu yoyera kwambiri. Zopangira ziyenera kusakanizidwa molingana ndi chiŵerengero choyenera. Zopangira ziyenera kutenthedwa kuti zisakanike pang'ono. Zomwe zili mu Al2O3 nthawi zambiri zimayendetsedwa mkati mwa 68% mpaka 72%. Zosakaniza zake zazikulu ndi CA ndi CA2.
1.Kuchita bwino pakugwedezeka kwamafuta, dzimbiri, kukokoloka ndi kukana abrasion,
2. High refractoriness ndi mphamvu kwambiri makina,
3.Zomwe zimagwirira ntchito pafupipafupi komanso mosalekeza ndizovomerezeka, kuchepetsa ming'alu ya mizere,
4.Kuzungulira kwanthawi yayitali komanso kosasunthika kuti mufikire kuchita bwino kwambiri,
5.Suit pamitundu yonse yazitsulo, kuchepetsa zotsalira ndi porosity ya zinthu,
6.Labor ndi kupulumutsa mtengo mwa kukhazikitsa ndi kukonza bwino.
Kanthu | Chigawo | 75% Alumina Index | 40% Alumina Index | |
Al2O3 | % | ≥75 | ≥40 | |
CaO | % | ≥2.5 | ||
Kuchulukana kwakukulu | 110°C×24h | g/cm3 | ≥2.65 | ≥2.3 |
1100°C×3h | g/cm3 | ≥2.65 | ≥2.3 | |
Kuphwanya mphamvu | 110°C×24h | Mpa | ≥45 | ≥40 |
1500°C×3h | Mpa | ≥70 | ≥60 | |
Kuphulika mphamvu | 110°C×24h | Mpa | ≥6 | ≥6 |
1500°C×3h | Mpa | ≥10 | ≥8 | |
Kusintha kwa mzere pa 1100°C | % | -0.1~-0.5 | ± 0.5 | |
Kutentha Kwambiri kwa Ntchito | °C | 1500 | 1350 |
Simenti yapamwamba ya alumina imagwiritsidwa ntchito makamaka pazosowa zapadera zomanga mwadzidzidzi, kukonza mwadzidzidzi, kukana sulfate ndi kumanga kwachisanu. Ndipo simenti yapamwamba ya aluminiyamu imagwiritsidwa ntchito makamaka pamadongosolo achangu a polojekiti, monga chitetezo champhamvu, misewu ndi ntchito zokonza zapadera. Komanso simenti yoyaka moto ya aluminiyamu imagwiritsidwa ntchito pamalo otsatirawa:
RS refractory fakitale ndi akatswiri apamwamba alumina refractory simenti ogulitsa omwe adakhazikitsidwa koyambirira kwa 90s zaka makumi awiri. Fakitale ya RS refractory yakhazikika pa simenti yayikulu ya alumina kwa zaka zopitilira 20. ngati mukufuna simenti yapamwamba ya alumina, kapena muli ndi mafunso pa zircon mulite refractory bricabout zosonyeza thupi ndi mankhwala, chonde titumizireni kwaulere. ndi Rs refractory fakitale monga katswiri wopanga njerwa za zircon mulite ku China, ili ndi zabwino zina zopikisana motere: