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Izitena zeBubble Alumina eziRefractory kwi-Industrial Furnace
Iimbonakalo
Izitena ze-alumina ze-Bubble zineempawu ezininzi ezahlukileyo:
1. **I-High Thermal Insulation**:I-conductivity yabo ephantsi ye-thermal ibenza i-insulators egqwesileyo, ukunciphisa ukulahleka kobushushu kwiindawo eziphezulu zokushisa.
2. **Ubunyulu obuPhezulu**:Yenziwe kwi-alumina ecocekileyo, ezi zitena zibonelela ngokusebenza okuphezulu kwiimeko ezinzima.
3. **Ikhaphukhaphu**:Ukufakwa kwe-alumina bubbles kunciphisa ukuxinwa ngokubanzi, okwenza izitena zibe lula kwaye kulula ukuphatha nokufaka.
4. **Ukumelana noBuqondo obuPhezulu**:Ziyakwazi ukumelana namaqondo obushushu aphezulu kakhulu, amaxesha amaninzi ngaphezulu kwe 1800°C, oko kuzenza zilungele ukusetyenziswa kwiziko lobushushu obuphezulu kunye naseziko.
5. **Ukunyangwa kokuMhlwa**:Banokuxhathisa okulungileyo ekuhlaselweni kweekhemikhali, ngakumbi kwii-slags kunye neentsimbi ezityhidiweyo.
6. **Ukwandiswa kweThermal ephantsi**:Olu phawu lunceda ukugcina ingqibelelo yesakhiwo kunye nokunciphisa umngcipheko wokuqhekeka phantsi kwebhayisikile ye-thermal.
7. **Amandla oomatshini**:Nangona belula, banika amandla afanelekileyo omatshini kunye nokuqina phantsi kweemeko zokusebenza.
Ezi mpawu zenza izitena ze-alumina ze-bubble zibe luncedo ngakumbi kumashishini afana nesinyithi, i-ceramics, kunye nokuveliswa kweglasi.
Usetyenziso oluqhelekileyo
Isetyenziswe ngokubanzi kumashishini afana nesinyithi, i-refractories, i-ceramics, i-petrochemical, i-glass, umbane, njl njl. , isithando somlilo sombane, njl.
Iizalathisi eziqhelekileyo
Izinto | BA-85 | BA-90 | BA90-1.2 | BA-99 | BA-993 | |
Ubushushu beNkonzo enkulu | ℃ | 1750 | 1800 | 1800 | 1850 | 1850 |
I-AI2O3 | % | 85 | 90 | 91.2 | 99 | 99.3 |
SiO2 | % | 14 | 8 | 8 | 0.2 | 0.15 |
Fe2O3 | % | 0.2 | 0.2 | 0.1 | 0.1 | 0.1 |
Unizi lolwapho kuyiwa khona | g/cm3 | 1.4-1.9 | 1.4-1.9 | 1.2 | 1.4-1.8 | 1.4-1.8 |
Amandla okutyumza okubandayo | Mpa | 18 | 15 | 11.9 | 15 | 12 |
I-Refractoriness phantsi komthwalo (0.1 MPa, 0.6%) | °C | ≥ 1700 | ≥ 1700 | ≥ 1700 | ≥ 1700 | ≥ 1700 |
Ukufudumeza kwakhona utshintsho lomgca (1650°C x 12h) | % | ±0.3 | ±0.2 | ±0.2 | -0.25 | -0.25 |
Ukwandiswa kwe-Thermal coefficient x10-6 Ubushushu begumbi. ukuya kwi-1300°C | 7.8 | 8 | 8 | 8.6 | 8.6 | |
I-Thermal Conductivity (I-Avareji ye-800°C) | W/m·K | 0.55 | 0.6 | 0.21 | 0.75 | 0.75 |