RU2013148633A - Огнеупорное изделие и способ его формования (варианты) - Google Patents

Огнеупорное изделие и способ его формования (варианты) Download PDF

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RU2013148633A
RU2013148633A RU2013148633/03A RU2013148633A RU2013148633A RU 2013148633 A RU2013148633 A RU 2013148633A RU 2013148633/03 A RU2013148633/03 A RU 2013148633/03A RU 2013148633 A RU2013148633 A RU 2013148633A RU 2013148633 A RU2013148633 A RU 2013148633A
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beta
alumina
refractory product
combination
ground powder
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RU2013148633/03A
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English (en)
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Оливьер СИТТИ
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Сэнт-Гобэн Керамикс Энд Пластикс, Инк.
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Publication of RU2013148633A publication Critical patent/RU2013148633A/ru

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Abstract

1. Огнеупорное изделие, применяемое в процессе плавления стекла, содержащее AlO, при этом по меньшей мере приблизительно 50% AlOсодержится в виде бета-глинозема.2. Способ формования огнеупорного изделия, применяемого в процессе плавления стекла, включающий:приготовление тела, содержащего AlO, причем по меньшей мере приблизительно 50% AlOсодержится в виде бета-глинозема; испекание указанного тела с получением огнеупорного изделия.3. Способ по п.2, в котором спекание осуществляют при температуре не более приблизительно 1700°С.4. Способ по п.3, в котором спекание осуществляют в среде, содержащей пар, включающий элемент группы 1, элемент группы 2, редкоземельный элемент, Pb или их любое сочетание, обеспечиваемые источником, отдельным от огнеупорного изделия.5. Способ по п.4, в котором помол осуществляют как сухой помол, мокрый помол или их любое сочетание.6. Способ по п.2, в котором:значение D10 размера частиц молотого порошка составляет не более приблизительно 9 мкм;значение D50 размера частиц молотого порошка составляет не более приблизительно 20 мкм;значение D90 размера частиц молотого порошка составляет не более приблизительно 90 мкм; или их любое сочетание.7. Способ по п.5, в котором молотый порошок содержит альфа- AlO, бета-глинозем или их любое сочетание.8. Способ по п.5, в котором молотый порошок имеет удельную площадь поверхности по меньшей приблизительно 0,5 м/г.9. Способ формования огнеупорного изделия, применяемого в процессе плавления стекла, в котором:порошок, содержащий альфа-AlOи материал для бета-преобразования, бета-глинозем, или их любое сочетание, плавят для получения расплавленного состава;расплавленный состав разливают в форму

Claims (15)

1. Огнеупорное изделие, применяемое в процессе плавления стекла, содержащее Al2O3, при этом по меньшей мере приблизительно 50% Al2O3 содержится в виде бета-глинозема.
2. Способ формования огнеупорного изделия, применяемого в процессе плавления стекла, включающий:
приготовление тела, содержащего Al2O3, причем по меньшей мере приблизительно 50% Al2O3 содержится в виде бета-глинозема; и
спекание указанного тела с получением огнеупорного изделия.
3. Способ по п.2, в котором спекание осуществляют при температуре не более приблизительно 1700°С.
4. Способ по п.3, в котором спекание осуществляют в среде, содержащей пар, включающий элемент группы 1, элемент группы 2, редкоземельный элемент, Pb или их любое сочетание, обеспечиваемые источником, отдельным от огнеупорного изделия.
5. Способ по п.4, в котором помол осуществляют как сухой помол, мокрый помол или их любое сочетание.
6. Способ по п.2, в котором:
значение D10 размера частиц молотого порошка составляет не более приблизительно 9 мкм;
значение D50 размера частиц молотого порошка составляет не более приблизительно 20 мкм;
значение D90 размера частиц молотого порошка составляет не более приблизительно 90 мкм; или их любое сочетание.
7. Способ по п.5, в котором молотый порошок содержит альфа- Al2O3, бета-глинозем или их любое сочетание.
8. Способ по п.5, в котором молотый порошок имеет удельную площадь поверхности по меньшей приблизительно 0,5 м2/г.
9. Способ формования огнеупорного изделия, применяемого в процессе плавления стекла, в котором:
порошок, содержащий альфа-Al2O3 и материал для бета-преобразования, бета-глинозем, или их любое сочетание, плавят для получения расплавленного состава;
расплавленный состав разливают в форму, причем форма имеет форму, соответствующую огнеупорному изделию; и затем
огнеупорное изделие охлаждают, причем по меньшей мере приблизительно 50% общего содержания Al2O3 огнеупорного изделия представляют собой бета-глинозем.
10. Способ по п.9, дополнительно включающий этап, на котором огнеупорное изделие формуют в блок формования стекла путем переливания.
11. Способ по п.9, отличающийся тем, что огнеупорное изделие имеет общее содержание Al2O3 по меньшей мере приблизительно 80%.
12. Способ по п.9, отличающийся тем, что бета-глинозем составляет по меньшей мере приблизительно 70%.
13. Способ по п.9, отличающийся тем, что огнеупорное изделие содержит тело и покрытие, по меньшей мере, на части тела, причем покрытие содержит бета-глинозем.
14. Способ по п.13, отличающиеся тем, что покрытие имеет толщину не более приблизительно 5000 мкм.
15. Способ по п.13, отличающиеся тем, что покрытие имеет толщину по меньшей мере приблизительно 100 мкм.
RU2013148633/03A 2011-04-13 2012-04-13 Огнеупорное изделие и способ его формования (варианты) RU2013148633A (ru)

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