magnesite alumina njerwa ndi mtundu wa mankhwala alkaline refractory ndi perriclase monga gawo lalikulu magnesia alumina spinel clinker monga zinthu zofunika .magnesia alumina firebrick ali ndi makhalidwe monga kutentha kugwedezeka kwabwino, mphamvu zabwino ndi kukhazikika kwa voliyumu kutentha kwakukulu. Njerwa ya magnesia alumina refractory ili ndi mawonekedwe abwino kukana kugwedezeka kwamafuta, kukana kwambiri ponyamula katundu, kutentha kwapang'onopang'ono kuposa 1580 ℃, kukana kukokoloka kwa magalasi ndikwabwino. Zomwe zitha kugwiritsidwa ntchito kwambiri pama projekiti a simenti apanyumba ndi kunja.
Magnesia alumina firebrick makamaka amagwiritsa ntchito magnesia alumina spinel ngati masanjidwewo. Kuti apititse patsogolo kukana kwa kutentha kwa njerwa ya magnesia, ufa wabwino wa alumina kapena bauxite clinker umayambitsidwa mu batching kuti apange matrix a alumina spinel matrix. Njerwa yamoto ya Magnesia alumina ili ndi mawonekedwe abwino kukana kugwedezeka kwamafuta, kukana kwambiri ponyamula katundu, kutentha kofewetsa kupitilira 1580 ℃, kukana kukokoloka kwa magalasi.
Magnesium aluminiyamu moto njerwa ndi mtundu wa spinel zofunika refractory lili pafupifupi 85% MgO ndi 5% ~ 10% Al2O3. Gawo la crystalline la magnesium alumina firebrick limapangidwa makamaka ndi miyala yayikulu ya magnesia ndi magnesia alumina spinel. The spinel aggregates pambuyo crystallization kupanga kristalo maukonde, zomwe zimapangitsa kuti zomangamanga compact.Chifukwa popanga, musagwiritse ntchito akaphatikiza a bulky granule, lonse njerwa thupi kapangidwe ndi ngakhale, stoma disperses.
1.Pa pallets matabwa ndi pulasitiki chivundikiro: matabwa mphasa kukula: 930 * 930 kapena 1000 * 1000mm,
2.Kulemera kwa phale lililonse: matani 1.5-2.0,
3.230*114*65mm:512PCS/Phale, 230*114*75mm:448PCS/Phale.
ITEM | Magnesia alumina njerwa | Middle grade magnesia alumina njerwa | Njerwa yoyera ya alumina ya magnesia | Magnesia alumina spinel njerwa | ||
MgO % | 80 | 80 | 85-90 | ≥90 | ≥85 | 80-90 |
Al2O3% | 5-10 | 5-10 | 6-8 | 4-8 | 4-8 | 9-18 |
Zowoneka Porosity% | 18 | 19 | 18 | 18 | 18 | 16-20 |
Cold Crushing Strength Mpa | 40 | 30 | 50 | 50 | 50 | 40-50 |
0.2Mpa Refractoriness Under Load T0.6 | 1600 | 1580 | 1650 | 1680 | 1630 | 1620 |
Thermal shock resistance | 4 | 4 | 5 | 8 | 8 | 10 |
Magnesia alumina chipika ndi ntchito kwambiri, mankhwala athu akhala ambiri ntchito m'nyumba ndi kunja ntchito simenti. Komanso midadada ya magnesia alumina ingagwiritsidwe ntchito posinthira zone ya simenti yozungulira, zopangiranso matanki agalasi ndi ma kilni a laimu.
RS refractory fakitale ndi katswiri wopanga njerwa za aluminiyamu magnesite omwe adakhazikitsidwa koyambirira kwa 90s zaka makumi awiri. Fakitale ya RS refractory yakhazikika mu njerwa za aluminiyamu za maginito kwa zaka zopitilira 20. ngati muli ndi zofunikila za magnesite alumina block, kapena muli ndi mafunso pa maginito alumina firebrick okhudza zizindikiro zakuthupi ndi zamankhwala, chonde titumizireni kwaulere. ndi Rs refractory fakitale monga katswiri wopanga njerwa za maginito alumina refractory ku China, ali ndi mwayi wopikisana nawo motere: