RU2013148069A - Огнеупорное изделие и способ его формования и использования - Google Patents

Огнеупорное изделие и способ его формования и использования Download PDF

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RU2013148069A
RU2013148069A RU2013148069/03A RU2013148069A RU2013148069A RU 2013148069 A RU2013148069 A RU 2013148069A RU 2013148069/03 A RU2013148069/03 A RU 2013148069/03A RU 2013148069 A RU2013148069 A RU 2013148069A RU 2013148069 A RU2013148069 A RU 2013148069A
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glass
refractory product
product
refractory
dopant
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RU2013148069/03A
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RU2570213C2 (ru
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Оливьер СИТТИ
Андреа КАЗМИРЦАК
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Сэнт-Гобэн Керамикс Энд Пластикс, Инк.
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Abstract

1. Огнеупорное изделие, используемое при формовании стеклянного изделия, содержащее: ипо меньшей мере 10 мас.% AlO;менее приблизительно 6 мас.% SiO; ипервую легирующую добавку, содержащую оксид Ti, Mg, Ta, Nb или их любое сочетание.2. Огнеупорное изделие, используемое при формовании стеклянного изделия, которое содержит по меньшей мере 10 мас.% AlO; и обладает:плотностью по меньшей мере приблизительно 3,55 г/см; искоростью коррозии не более 2,69 мм/год3. Способ формования стеклянного изделия, включающий:использование огнеупорного изделия, содержащего перепускной лоток для стекла, содержащего:по меньшей мере 10 мас.% AlO;менее приблизительно 6 мас.% SiO; ипервую легирующую добавку, содержащую оксид Ti, Mg, Ta, Nb или их любое сочетание;обеспечение протекания стеклянного материала, содержащего оксид Al-Si-Mg, в перепускной лоток для стекла и через порог перепускного лотка для стекла для определения площади контакта стекла; иохлаждение стеклянного материала для формования стеклянного изделия.4. Способ формования огнеупорного изделия, включающий:приготовление тела, содержащего:по меньшей мере 10 мас.% AlO;менее приблизительно 6 мас.% SiO; ипервую легирующую добавку, включающую соединение Ti, Mg, Ta, Nb или их любое сочетание; испекание тела для формования огнеупорного изделия.5. Огнеупорное изделие или способ по любому из пп.1-4,отличающиеся тем, что первая легирующая добавка представляет собой TiO, MgO, TaO, NbOили их любое сочетание.6. Огнеупорное изделие или способ по любому из пп.1-4, отличающиеся тем, что содержание первой легирующей добавки составляет по меньшей мере приблизительно 0,02 мас.% и не более чем приблизительно 5 мас.%.7. Огнеупорное изделие или способ по люб

Claims (11)

1. Огнеупорное изделие, используемое при формовании стеклянного изделия, содержащее: и
по меньшей мере 10 мас.% Al2O3;
менее приблизительно 6 мас.% SiO2; и
первую легирующую добавку, содержащую оксид Ti, Mg, Ta, Nb или их любое сочетание.
2. Огнеупорное изделие, используемое при формовании стеклянного изделия, которое содержит по меньшей мере 10 мас.% Al2O3; и обладает:
плотностью по меньшей мере приблизительно 3,55 г/см3; и
скоростью коррозии не более 2,69 мм/год
3. Способ формования стеклянного изделия, включающий:
использование огнеупорного изделия, содержащего перепускной лоток для стекла, содержащего:
по меньшей мере 10 мас.% Al2O3;
менее приблизительно 6 мас.% SiO2; и
первую легирующую добавку, содержащую оксид Ti, Mg, Ta, Nb или их любое сочетание;
обеспечение протекания стеклянного материала, содержащего оксид Al-Si-Mg, в перепускной лоток для стекла и через порог перепускного лотка для стекла для определения площади контакта стекла; и
охлаждение стеклянного материала для формования стеклянного изделия.
4. Способ формования огнеупорного изделия, включающий:
приготовление тела, содержащего:
по меньшей мере 10 мас.% Al2O3;
менее приблизительно 6 мас.% SiO2; и
первую легирующую добавку, включающую соединение Ti, Mg, Ta, Nb или их любое сочетание; и
спекание тела для формования огнеупорного изделия.
5. Огнеупорное изделие или способ по любому из пп.1-4,
отличающиеся тем, что первая легирующая добавка представляет собой TiO2, MgO, Ta2O5, Nb2O5 или их любое сочетание.
6. Огнеупорное изделие или способ по любому из пп.1-4, отличающиеся тем, что содержание первой легирующей добавки составляет по меньшей мере приблизительно 0,02 мас.% и не более чем приблизительно 5 мас.%.
7. Огнеупорное изделие или способ по любому пп.1-4, отличающиеся тем, что Al2O3 присутствует в количестве по массе по меньшей мере приблизительно 80%.
8. Огнеупорное изделие или способ по любому из пп.1-4, отличающиеся тем, что по меньшей мере приблизительно 1% Al2O3 в огнеупорном изделии представляет собой химически активный Al2O3.
9. Огнеупорное изделие или способ по любому из пп.1-4, отличающиеся тем, что величина пористости составляет приблизительно 0,05 об.% и не более приблизительно 9,0 об.%.
10. Огнеупорное изделие или способ по любому из пп.1-4, отличающиеся тем, что огнеупорное изделие дополнительно содержит вторую легирующую добавку, представляющую собой спекающую добавку и отличающуюся от первой легирующей добавки.
11. Огнеупорное изделие или способ по любому из пп.1-4, отличающиеся тем, что огнеупорное изделие содержит:
по меньшей мере приблизительно 95 мас.% Al2O3, из которых по меньшей мере приблизительно 75% Al2O3 представляют собой химически активный Al2O3;
менее приблизительно 4 мас.% SiO2; и
обладает плотностью по меньшей мере приблизительно 3,60 г/см3.
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