Mullite Bricks
About Mullite Bricks
Mullite zvidhinha ndeyepamusoro aluminium refractory ine mullite sechikamu chikuru chekristaro.Kazhinji, zviri mukati mealuminium zviri pakati pe65% ne75%.Pamusoro pemullite, zvicherwa zvine yakaderera alumina zvemukati zvakare zvine hushoma hwevitreous phase uye cristobalite.Iyo yakakwira alumina yemukati zvakare ine shoma shoma yecorundum.
Mullite zvidhinha zvine refractoriness yakakwirira, inogona kusvika pamusoro pe1790 ° C.Load softening kutanga tembiricha i1600～1700℃.Iyo yekumanikidza simba pakamuri tembiricha ndeye 70-260MPa.Good thermal shock resistance.
Kune mhando mbiri dze sintered mullite zvidhinha uye zvakasanganiswa mullite zvidhinha.
Sintered mullite zvidhinha zvinogadzirwa ne-high-alumina bauxite clinker sechinhu chikuru mbishi, ichiwedzera ivhu diki kana mbishi bauxite sebhainda, uye inoumbwa nekupiswa.Zvidhinha zvakasanganiswa mullite zvinogadzirwa nepamusoro bauxite, maindasitiri alumina uye ivhu refractory, uye marasha kana coke fine particles inowedzerwa sechinhu chinoderedza.Mushure mekuumbwa, ivo vanogadzirwa nekudzikisa electrofusion.
Iyo crystallization ye fused mullite yakakura kupfuura iyo ye sintered mullite, uye kupisa kwayo kutyisa kuramba kuri nani pane iyo yezvigadzirwa zve sintered.Kubata kwavo kwekushisa kwepamusoro kunonyanya kuenderana nezviri mukati mealuminium uye kufanana kwekugovera kwemullite chikamu uye girazi.
Mullite zvidhinha zvinonyanya kushandiswa kupisa blast stove top, blast furnace body uye pasi, girazi regenerator regenerator, ceramic kiln, akafa pakona lining ye petroleum cracking system, nezvimwe.
About Sillimanite
Izvo zvidhinha zve sillimanite zvine kugadzikana kwakanaka kwekupisa pakupisa kwepamusoro, kupikisa kukukurwa kwegirazi remvura, kusvibiswa kudiki kune girazi remvura.
Yakanyanya kukodzera chiteshi chekudyisa, muchina wekudyisa, chubhu yekudhonza muchina uye mimwe michina muindasitiri yegirazi, inogona kuvandudza zvakanyanya kugadzirwa.
Yakanyanya kukodzera chiteshi chekudyisa, muchina wekudyisa, chubhu yekudhonza muchina uye mimwe michina muindasitiri yegirazi, inogona kuvandudza zvakanyanya kugadzirwa.
Product Index
| INDEX | Triple low mullite | Sintered mullite | Sillimanite | Fused mullite | ||||
| RBTM-47 | RBTM-65 | RBTM-70 | RBT-M75 | RBTM-80 | RBTA-60 | RBTFM-75 | ||
| Refractoriness (℃) ≥ | 1790 | 1790 | 1790 | 1790 | 1810 | 1790 | 1810 | |
| Bulk Density (g/cm3) ≥ | 2.42 | 2.45 | 2.50 | 2.60 | 2.70 | 2.48 | 2.70 | |
| Inooneka Porosity (%) ≤ | 12 | 18 | 18 | 17 | 17 | 18 | 16 | |
| Cold Crushing Strength (MPa) ≥ | 60 | 60 | 70 | 80 | 85 | 65 | 90 | |
| Permanent Linear Shanduko (%) | 1400°×2h | +0.1 -0.1 |
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| 1500°×2h |
| +0.1 -0.4 | +0.1 -0.4 | +0.1 -0.4 | +0.1 -0.4 | +1 -0.2 | ±0.1 | |
| Refractoriness Under Load @0.2MPa (℃)≥ | 1520 | 1580 | 1600 | 1600 | 1620 | 1600 | 1700 | |
| Creep Rate @0.2MPa 1200°×2h（%） ≤ | 0.1 | ― | ― | ― | ― | ― | ― | |
| Al2O3 (%) ≥ | 47 | 64 | 68 | 72 | 78 | 60 | 75 | |
| Fe2O3 (%) ≤ | 1.2 | 0.8 | 0.8 | 0.7 | 0.7 | 1.0 | 0.5 | |
