Njerwa zapamwamba za alumini zopangira ng'anjo zophulika zimapangidwa ndi bauxite yapamwamba kwambiri monga zopangira zazikulu, zomwe zimayikidwa, zoponderezedwa, zouma ndi kutenthedwa pa kutentha kwakukulu. Ndi zinthu zosasinthika zomwe zimagwiritsidwa ntchito popanga ng'anjo zamoto.
1. Zizindikiro zakuthupi ndi zamankhwala za njerwa zapamwamba za alumina
INDEX | SK-35 | SK-36 | SK-37 | SK-38 | SK-39 | Zithunzi za SK-40 |
Refractoriness(℃) ≥ | 1770 | 1790 | 1820 | 1850 | 1880 | 1920 |
Kuchulukana Kwambiri (g/cm3) ≥ | 2.25 | 2.30 | 2.35 | 2.40 | 2.45 | 2.55 |
Zowoneka Porosity(%) ≤ | 23 | 23 | 22 | 22 | 21 | 20 |
Cold Crushing Strength(MPa) ≥ | 40 | 45 | 50 | 55 | 60 | 70 |
Kusintha kwa Linear Kwamuyaya@1400°×2h(%) | ±0.3 | ±0.3 | ±0.3 | ±0.3 | ±0.2 | ±0.2 |
Refractoriness Under Load @ 0.2MPa(℃) ≥ | 1420 | 1450 | 1480 | 1520 | 1550 | 1600 |
Al2O3(%) ≥ | 48 | 55 | 62 | 70 | 75 | 80 |
Fe2O3(%) ≤ | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | 1.8 |
2. Kodi njerwa zazitali za aluminiyamu zomwe zimagwiritsidwa ntchito m'ng'anjo zophulika zili kuti?
Njerwa za aluminiyamu zapamwamba zimamangidwa pa tsinde la ng'anjo ya ng'anjo yophulika. Mtsinje wa ng'anjo uli kumtunda kwa ng'anjo yophulika. M'mimba mwake pang'onopang'ono amakula kuchokera pamwamba mpaka pansi kuti agwirizane ndi kuwonjezereka kwa kutentha kwa chiwongoladzanja ndi kuchepetsa kukangana kwa khoma la ng'anjo pamoto. Thupi la ng'anjo limakhala mu ng'anjo yophulika. 50% -60% ya kutalika kothandiza. M'malo awa, ng'anjo ya ng'anjo imayenera kukwaniritsa zofunikira zotere, ndipo mawonekedwe a njerwa za aluminiyamu ndizovuta kwambiri, kutentha kwakukulu kofewa pansi pa katundu, kukana kwa asidi, kukana kwa alkali, kukana kwakukulu kwa kukokoloka kwa slag, ndi kukana kwabwino kuvala. Ikhoza kukhutitsidwa, choncho ndiyoyenera kwambiri kuti thupi la ng'anjo yophulika likhale lopangidwa ndi njerwa zapamwamba za alumina.
Zomwe zili pamwambazi ndikuyambitsa njerwa zapamwamba za alumina za ng'anjo zophulika. Chilengedwe cha ng'anjo yophulika ndizovuta ndipo pali mitundu yambiri ya zipangizo zokanira zomwe zimagwiritsidwa ntchito. Njerwa zapamwamba za alumina ndi imodzi mwa izo. Pali mfundo za 3-5 za njerwa zapamwamba za alumina zomwe zimagwiritsidwa ntchito. Njerwa zapamwamba za Robert za alumina zitha kugwiritsidwa ntchito m'makina osiyanasiyana. Ngati ndi kotheka, lemberani.
Nthawi yotumiza: Mar-26-2024