Kufotokozera
Njerwa ya Mullite ndi mtundu wa High-aluminium refractories yomwe imawona mullite (Al2O3 • SiO2) ngati gawo lalikulu la kristalo. Pafupifupi aluminiyamu zili pakati pa 65% ndi 75%. Kuwonjezera pa mchere wa mullite, womwe uli ndi aluminiyamu wotsika ulinso ndi galasi laling'ono ndi cristobalite; aluminiyamu yapamwamba yokhala ndi kachulukidwe kakang'ono ka corundum. High refractoriness mpaka 1790 ° C. Katundu kufewetsa kuyambira kutentha 1600 ~ 1700 °C. Kutentha kwa chipinda kukakamiza mphamvu 70 ~ 260MPa. Kukana kwabwino kwa kutentha kwa kutentha. Njerwa ya mullite imatenga mbale yotumizidwa kunja ndi corundum yoyera kwambiri ngati zida zazikulu, ndipo imatenga ukadaulo wapamwamba wowonjezera wa ufa wa ultrafine. Akasakaniza, kuumitsa ndi kupanga, amawotchedwa mu ng'anjo yotentha kwambiri.
Makhalidwe:
► High refractoriness pansi katundu
►Kukana kwamphamvu kwamafuta
►Kukana kuvala bwino
►Kukana kukokoloka kwabwino
Kufotokozera
Kanthu |
MK60 |
MK65 |
MK70 |
MK75 |
Al2O3,% |
≥60 |
≥65 |
≥70 |
≥75 |
SiO2,% |
≤35 |
≤33 |
≤26 |
≤24 |
Fe2O3,% |
≤1.0 |
≤1.0 |
≤0.6 |
≤0.4 |
Zowoneka Porosity, % |
≤17 |
≤17 |
≤17 |
≤18 |
Kuchulukana, g/cm3 |
≥2.55 |
≥2.55 |
≥2.55 |
≥2.55 |
Mphamvu Zozizira Zowononga Mpa |
≥60 |
≥60 |
≥80 |
≥80 |
0.2Mpa Refractoriness Under Load T0.6 ℃ |
≥1580 |
≥1600 |
≥1600 |
≥1650 |
Kusintha Kosatha Linear Pa Kutenthetsanso,% 1500℃X2h |
0~+0.4 |
0~+0.4 |
0~+0.4 |
0~+0.4 |
Thermal Shock Resistances 100℃ madzi mikombero |
≥18 |
≥18 |
≥18 |
≥18 |
20-1000℃ Thermal Expansich10-6/℃ |
0.6 |
0.6 |
0.6 |
0.55 |
Thermal Conductivity (W/MK) 1000℃ |
1.74 |
1.84 |
1.95 |
1.95 |
Kugwiritsa ntchito
Njerwa za Mullite zimagwiritsidwa ntchito kwambiri m'ng'anjo za slag gasification, ng'anjo zosinthira za ammonia, makina opangira kaboni wakuda, ndi ng'anjo zamoto, denga la ng'anjo ya ng'anjo yotentha, ng'anjo ya ng'anjo ndi pansi pa ng'anjo yophulika, Chipinda chotsitsimutsa cha galasi losungunuka kutentha ndi kutentha kwa ng'anjo yamoto. .
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