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Izitini Eziphakeme Ze-Alumina Refractory zeSithando Somlilo Sezimboni
Izici
1. I-High Refractoriness: Ingakwazi ukumelana namazinga okushisa aphakeme kakhulu, okuwenza afanelekele ukusetshenziswa eziko nakwezinye izindawo ezinokushisa okuphezulu.
2. Ukuqina Okushisayo Okuhle Kakhulu: Lezi zitini zigcina ubuqotho bazo besakhiwo kanye nezakhiwo zemishini ngisho nangaphansi kwezinguquko ezisheshayo zokushisa, zinciphisa ingozi yokulimala kokuthuthumela okushisayo.
3. Izakhiwo Ezinhle Zokugqumisa: Nakuba zingasebenzi njengezinto ezikhethekile zokuvikela ukushisa, izitini ze-alumina eziphakeme zinikeza ukufakwa okuthile ngokumelene nokudluliselwa kokushisa, okusiza ukonga amandla ezimbonini zokusebenza.
4. Ukumelana Nokugqwala Nokuhushulwa: Akwazi ukumelana nokugqwala kwamakhemikhali nokuguga kwemishini, okunweba isikhathi sazo sokuphila ezimweni ezinzima zokusebenza.
5. I-Thermal Conductivity Ephansi: Lesi sakhiwo sisiza ukunciphisa ukulahlekelwa ukushisa nokugcina amaphrofayili okushisa angashintshi phakathi kolayini oluphikisayo.
Sekukonke, izitini eziphakeme ze-alumina zibaluleke kakhulu ngenxa yokuqina kwazo, ukwethembeka, kanye nekhono lokumelana nezimo ezimbi kakhulu ezinqubweni ezihlukahlukene zezimboni.
Isicelo
Izitini eziphakeme ze-alumina zivame ukusetshenziswa ezimbonini ezifana nensimbi, usimende, ingilazi, nezitsha zobumba ukuze zikwazi ukumelana namazinga okushisa aphakeme nezimo ezinzima. I-Masonry blast furnace, isitofu se-hot blast, i-electric furnace top kanye ne-ladle permanent linening.
Inkomba enkulu yokusebenza ngokomzimba namakhemikhali
Inkomba | I-LZ-75 | I-LZ-65 | I-LZ-55 | I-LZ-48 |
I-Al2O3% ≥ | 75 | 65 | 55 | 48 |
I-Refractoriness ℃ ≥ | 1790 | 1790 | 1770 | 1750 |
I-Refractoriness ngaphansi komthwalo (0.6%) ℃ ≥ | 1520 | 1500 | 1470 | 1420 |
Ukushintsha komugqa unomphela (1500℃×2h)% | +0.1~-0.4 | +0.1~-0.4 | +0.1~-0.4 | +0.1~-0.4 (1450℃) |
I-porosity ebonakalayo % | amashumi amabili nantathu | amashumi amabili nantathu | amashumi amabili nambili | amashumi amabili nambili |
I-CCS MPa ≥ | 53.9 | 49 | 44.1 | 39.2 |