RU2006134295A - Керамическая смесь для применения в производстве огнеупоров и соответствующий продукт - Google Patents

Керамическая смесь для применения в производстве огнеупоров и соответствующий продукт Download PDF

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RU2006134295A
RU2006134295A RU2006134295/03A RU2006134295A RU2006134295A RU 2006134295 A RU2006134295 A RU 2006134295A RU 2006134295/03 A RU2006134295/03 A RU 2006134295/03A RU 2006134295 A RU2006134295 A RU 2006134295A RU 2006134295 A RU2006134295 A RU 2006134295A
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mixture according
main component
size
filler
grains
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RU2006134295/03A
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RU2386604C2 (ru
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Харальд ХАРМУТ (AT)
Харальд ХАРМУТ
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Рифрэктори Интеллектуал Проперти Гмбх Энд Ко. Кг (At)
Рифрэктори Интеллектуал Проперти Гмбх Энд Ко. Кг
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Priority claimed from DE200410010740 external-priority patent/DE102004010740C5/de
Priority claimed from DE200410010739 external-priority patent/DE102004010739B4/de
Application filed by Рифрэктори Интеллектуал Проперти Гмбх Энд Ко. Кг (At), Рифрэктори Интеллектуал Проперти Гмбх Энд Ко. Кг filed Critical Рифрэктори Интеллектуал Проперти Гмбх Энд Ко. Кг (At)
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  • Compositions Of Oxide Ceramics (AREA)

Abstract

1. Керамическая смесь для применения в производстве огнеупоров, содержащаяA) по меньшей мере один огнеупорный основной компонент с размерной фракцией зерен менее 8 мм в количестве от 83 до 99,5 мас.% иБ) отдельный зернистый SiO-наполнитель по меньшей мере одного типа в количестве от 0,5 до 12 мас.%, а такжеB) возможные прочие компоненты, на которые приходится остальное количество.2. Смесь по п.1, огнеупорным основным компонентом которой по меньшей мере частично является основной компонент неосновного типа.3. Смесь по п.1, огнеупорный основной компонент которой по меньшей мере частично состоит из доломы и/или магнезии.4. Смесь по п.1, содержащаяА) огнеупорный основной компонент в количестве от 90 до 99 мас.% иБ) зернистый SiO-наполнитель в количестве от 1 до 7 мас.%.5. Смесь по п.1, зернистый SiO-наполнитель которой состоит из по меньшей мере одной из следующих модификаций SiO: кристобалита, тридимита, коэсита, предварительно обработанного продукта с плотностью в необожженном состоянии менее 2,65 г/см.6. Смесь по п.1, в которой размер dзерен зернистого SiO-наполнителя превышает размер зерен мелкой фракции огнеупорного основного компонента, на которые приходится 95 мас.% от всего ее количества.7. Смесь по п.1, в которой размер dзерен зернистого SiO-наполнителя превышает размер зерен мелкой фракции огнеупорного основного компонента, на которые приходится 95 мас.% от всего ее количества.8. Смесь по п.1, огнеупорный основной компонент которой содержит мелкую фракцию, в которой 95 мас.% приходится на долю зерен размером менее 250 мкм.9. Смесь по п.1, огнеупорный основной компонент которой содержит мелкую фракцию, в которой 95 мас.% приходится на долю зерен размером м�

Claims (20)

1. Керамическая смесь для применения в производстве огнеупоров, содержащая
A) по меньшей мере один огнеупорный основной компонент с размерной фракцией зерен менее 8 мм в количестве от 83 до 99,5 мас.% и
Б) отдельный зернистый SiO2-наполнитель по меньшей мере одного типа в количестве от 0,5 до 12 мас.%, а также
B) возможные прочие компоненты, на которые приходится остальное количество.
2. Смесь по п.1, огнеупорным основным компонентом которой по меньшей мере частично является основной компонент неосновного типа.
3. Смесь по п.1, огнеупорный основной компонент которой по меньшей мере частично состоит из доломы и/или магнезии.
4. Смесь по п.1, содержащая
А) огнеупорный основной компонент в количестве от 90 до 99 мас.% и
Б) зернистый SiO2-наполнитель в количестве от 1 до 7 мас.%.
5. Смесь по п.1, зернистый SiO2-наполнитель которой состоит из по меньшей мере одной из следующих модификаций SiO2: кристобалита, тридимита, коэсита, предварительно обработанного продукта с плотностью в необожженном состоянии менее 2,65 г/см3.
6. Смесь по п.1, в которой размер d50 зерен зернистого SiO2-наполнителя превышает размер зерен мелкой фракции огнеупорного основного компонента, на которые приходится 95 мас.% от всего ее количества.
7. Смесь по п.1, в которой размер d05 зерен зернистого SiO2-наполнителя превышает размер зерен мелкой фракции огнеупорного основного компонента, на которые приходится 95 мас.% от всего ее количества.
8. Смесь по п.1, огнеупорный основной компонент которой содержит мелкую фракцию, в которой 95 мас.% приходится на долю зерен размером менее 250 мкм.
9. Смесь по п.1, огнеупорный основной компонент которой содержит мелкую фракцию, в которой 95 мас.% приходится на долю зерен размером менее 125 мкм.
10. Смесь по п.8 или 9, в которой на долю мелкой фракции огнеупорного минерального компонента приходится от 10 до 30 мас.% от всей массы смеси.
11. Смесь по п.1, в которой зерна SiO2-наполнителя имеют размер до 6 мм.
12. Смесь по п.1, в которой зерна SiO2-наполнителя имеют размер до 3 мм.
13. Смесь по п.1, в которой зерна SiO2-наполнителя имеют размер от 0,5 до 3 мм.
14. Смесь по п.1, в которой зерна огнеупорного основного компонента имеют размер менее 6 мм.
15. Смесь по п.1, огнеупорный основной компонент которой имеет следующий гранулометрический состав:
а) от 50 до 60 мас.% зерен размером от 1 до 6 мм,
б) от 10 до 25 мас.% зерен размером от 0,25 до менее 1 мм,
в) от 25 до 30 мас.% зерен размером менее 0,25 мм,
при этом суммарное количество составляет 100 мас.%.
16. Смесь по п.1, содержащая огнеупорный основной компонент неосновного типа, которым является по меньшей мере один материал из группы, включающей шамот, силлиманит, андалузит, кианит, муллит, боксит, корундовые исходные материалы, такие как белый электрокорунд или бурый корунд, пластинчатый глинозем, обожженный глинозем, кварцит, содержащее диоксид циркония минеральное сырье, такое как цирконмуллит, цирконкорунд, циркон или диоксид циркония, диоксид титана, Mg-Al-шпинель и карбид кремния.
17. Смесь по п.1, содержащая MgO-содержащий основной компонент, который на 3-20 мас.% в пересчете на общую массу смеси состоит из шпинели типа герцинита, типа галаксита или их смесей.
18. Смесь по п.1, которая в качестве прочих компонентов содержит по меньшей мере один компонент из группы, включающей углерод, графит, смолу, пек, сажу, кокс и деготь.
19. Продукт на основе смеси по одному из пп.1-18 с отношением удельной энергии разрушения GF (Н/м) к номинальной прочности при растяжении образца с надрезом σKZ (МПа) более 40 мкм, определяемым в каждом случае указанным в описании испытанием по методу раскалывания клином.
20. Продукт на основе смеси по одному из пп.1-18 с отношением удельной энергии разрушения GF (Н/м) к номинальной прочности при растяжении образца с надрезом σKZ (МПа), определяемым в каждом случае указанным в описании испытанием по методу раскалывания клином и по меньшей мере в 1,5 раза превышающим определяемое тем же путем отношение для аналогичного продукта, который не содержит отдельный зернистый SiO2-наполнитель и в котором количество остальных основных компонентов увеличено пропорционально их долям на отсутствующую долю SiO2-наполнителя до суммарного содержания, равного 100 мас.%.
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