01
Litene tsa Bubble Alumina Refractory bakeng sa Sebōpi sa Indasteri
Likaroloana
Litene tsa Bubble alumina li na le likarolo tse 'maloa tse ikhethang:
1. **Mohatsela o Phahameng oa Thermal**:Ts'ebetso ea bona e tlase ea mocheso e etsa hore e be li-insulators tse ntle haholo, tse fokotsang tahlehelo ea mocheso libakeng tse phahameng tsa mocheso.
2. **Bohloeki bo Phahameng**:E entsoe ka alumina ea bohloeki bo phahameng, litene tsena li fana ka ts'ebetso e phahameng maemong a feteletseng.
3. **Boemo bo bobebe**:Ho kenngoa ha li-bubble tsa alumina ho fokotsa boima ba kakaretso, ho etsa hore litene li be bobebe 'me ho be bonolo ho li tšoara le ho li kenya.
4. **Ho hanyetsa Mocheso o Phahameng **:Li khona ho mamella mocheso o phahameng haholo, hangata ka holimo ho 1800 ° C, e leng se etsang hore li tšoanelehe ho sebelisoa libōping tse nang le mocheso o phahameng le libōpi.
5. **Corrosion Resistance**:Li na le khanyetso e ntle ea tlhaselo ea lik'hemik'hale, haholo-holo ho tloha ho li-slags le litšepe tse qhibilihisitsoeng.
6. **Katoloso e Tlase ea Thermal**:Tšobotsi ena e thusa ho boloka botšepehi ba sebopeho le ho fokotsa kotsi ea ho senya tlas'a libaesekele tse futhumetseng.
7. **Matla a Mechini**:Ho sa tsotellehe ho ba bobebe, ba fana ka matla a matle a mochine le ho tšoarella tlas'a maemo a sebetsang.
Likarolo tsena li etsa hore litene tsa alumina tsa bubble li sebelisoe haholo indastering e kang metallurgy, ceramics le tlhahiso ea likhalase.
Tšebeliso e Tloaelehileng
E sebelisoa haholo liindastering tse kang metallurgical, refractories, ceramics, petrochemical, glass, motlakase, joalo-joalo E ka sebelisoa e le lesela le chesang la sefahleho sa pyrolizer, sebōpi se chesang se chesang, sebōpi se futhumatsang, sebōpi sa kotopo, sebōpi se sutumelitsoeng, sebōpi sa crucible. , sebopi sa motlakase, joalo-joalo.
Li-Index tse Tloaelehileng
Lintho | BA-85 | BA-90 | BA90-1.2 | BA-99 | BA-993 | |
Mocheso o Moholo oa Tšebeletso | ℃ | 1750 | 1800 | 1800 | 1850 | 1850 |
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 |
Boima ba Bongata | g/cm3 | 1.4-1.9 | 1.4-1.9 | 1.2 | 1.4-1.8 | 1.4-1.8 |
Mohatsela Oa Matla | Mpa | 18 | 15 | 11.9 | 15 | 12 |
Refractoriness tlas'a mojaro (0.1 MPa, 0.6%) | °C | ≥ 1700 | ≥ 1700 | ≥ 1700 | ≥ 1700 | ≥ 1700 |
Phetoho e Hlahisang Mohala (1650°C x 12h) | % | ±0.3 | ±0.2 | ±0.2 | -0.25 | -0.25 |
Mocheso oa katoloso ea mocheso x10-6 Mocheso oa kamore. ho fihlela ho 1300 ° C | 7.8 | 8 | 8 | 8.6 | 8.6 | |
Thermal Conductivity (Karolelano ea 800°C) | W/m·K | 0.55 | 0.6 | 0.21 | 0.75 | 0.75 |