RU2008147041A - Теплоизоляционное изделие - Google Patents

Теплоизоляционное изделие Download PDF

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Publication number
RU2008147041A
RU2008147041A RU2008147041/05A RU2008147041A RU2008147041A RU 2008147041 A RU2008147041 A RU 2008147041A RU 2008147041/05 A RU2008147041/05 A RU 2008147041/05A RU 2008147041 A RU2008147041 A RU 2008147041A RU 2008147041 A RU2008147041 A RU 2008147041A
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RU
Russia
Prior art keywords
colloidal
product according
fiber
oxide
thermal insulation
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RU2008147041/05A
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English (en)
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RU2467877C2 (ru
Inventor
СУЗА Маурисио Мунхоз ДЕ (BR)
СУЗА Маурисио Мунхоз ДЕ
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ЮНИФРЭКС I ЭлЭлСи (US)
ЮНИФРЭКС I ЭлЭлСи
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Publication of RU2008147041A publication Critical patent/RU2008147041A/ru
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Publication of RU2467877C2 publication Critical patent/RU2467877C2/ru

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
    • F16L59/026—Mattresses, mats, blankets or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B1/00—Layered products having a non-planar shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
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    • C04B30/00—Compositions for artificial stone, not containing binders
    • C04B30/02—Compositions for artificial stone, not containing binders containing fibrous materials
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    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
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Abstract

1. Теплоизоляционное изделие, представляющее собой стойкий к высоким температурам мат или плиту из неорганического волокна, пропитанный коллоидным неорганическим оксидом, прессованный и высушенный, отличающийся тем, что коллоидный неорганический оксид представляет собой композицию коллоидного неорганического оксида в комбинации с гелирующим агентом, при этом изделие имеет рабочую температуру, по меньшей мере, до примерно 1000°С и сохраняет механическую целостность после воздействия рабочей температуры, имеет плотность больше или равную примерно 500 кг/см3, и прочность на сжатие по меньшей мере примерно 4,900 кПа (50 кгс/см2). ! 2. Теплоизоляционное изделие по п.1, отличающееся тем, что коллоидный неорганический оксид представляет собой композицию коллоидного кремнезема в комбинации с гелирующим агентом, при этом изделие имеет плотность больше или равную 700 кг/см3, и прочность на сжатие, по меньшей мере, примерно 7,800 кПа (80 кгс/см3). ! 3. Теплоизоляционное изделие по п.2, отличающееся тем, что композиция коллоидного неорганического оксида включает примерно от 30 до 100 мас.% коллоидного кремнезема, гелирующий агент в количестве примерно от 0,01 до 10 мас.% неорганической соли или оксида, и примерно 10 мас.% кислоты, а также воду в количестве, достаточном для растворения гелирующего агента, необязательно в количестве до примерно 70 мас.% композиции. ! 4. Теплоизоляционное изделие по п.3, отличающееся тем, что оно имеет плотность больше или равную примерно 900 кг/м3, прочность на сжатие по меньшей мере примерно 11,800 кПа (120 кгс/см2), и теплопроводность менее или равную примерно 0,45 Вт/мК в диапазоне температур примерно от 700°С до 800°С. ! 5. Тепло�

Claims (18)

1. Теплоизоляционное изделие, представляющее собой стойкий к высоким температурам мат или плиту из неорганического волокна, пропитанный коллоидным неорганическим оксидом, прессованный и высушенный, отличающийся тем, что коллоидный неорганический оксид представляет собой композицию коллоидного неорганического оксида в комбинации с гелирующим агентом, при этом изделие имеет рабочую температуру, по меньшей мере, до примерно 1000°С и сохраняет механическую целостность после воздействия рабочей температуры, имеет плотность больше или равную примерно 500 кг/см3, и прочность на сжатие по меньшей мере примерно 4,900 кПа (50 кгс/см2).
2. Теплоизоляционное изделие по п.1, отличающееся тем, что коллоидный неорганический оксид представляет собой композицию коллоидного кремнезема в комбинации с гелирующим агентом, при этом изделие имеет плотность больше или равную 700 кг/см3, и прочность на сжатие, по меньшей мере, примерно 7,800 кПа (80 кгс/см3).
3. Теплоизоляционное изделие по п.2, отличающееся тем, что композиция коллоидного неорганического оксида включает примерно от 30 до 100 мас.% коллоидного кремнезема, гелирующий агент в количестве примерно от 0,01 до 10 мас.% неорганической соли или оксида, и примерно 10 мас.% кислоты, а также воду в количестве, достаточном для растворения гелирующего агента, необязательно в количестве до примерно 70 мас.% композиции.
4. Теплоизоляционное изделие по п.3, отличающееся тем, что оно имеет плотность больше или равную примерно 900 кг/м3, прочность на сжатие по меньшей мере примерно 11,800 кПа (120 кгс/см2), и теплопроводность менее или равную примерно 0,45 Вт/мК в диапазоне температур примерно от 700°С до 800°С.
5. Теплоизоляционное изделие по п.3, содержащее примерно от 30 до 80 мас.% волокна и примерно от 20 до 70 мас.% коллоидного кремнезема.
6. Теплоизоляционное изделие по п.3, отличающееся тем, что гелирующий агент неорганической соли или оксида включает, по меньшей мере, один из ацетата аммония, хлорида кальция, хлорида магния или оксида магния, и кислоту, включающую, по меньшей мере, одну из уксусной кислоты, соляной кислоты или фосфорной кислоты.
7. Теплоизоляционное изделие по п.2, отличающееся тем, что стойкий к высоким температурам мат или плиту из неорганического волокна пропитывают, по меньшей мере, коллоидным кремнеземом после первой пропитки композицией коллоидного неорганического оксида, прессуют и дополнительно просушивают; при этом изделие имеет плотность больше или равную примерно 1100 кг/м3, и прочность на сжатие, по меньшей мере, примерно 29,000 кПа (300 кгс/см2).
8. Теплоизоляционное изделие по п.7, содержащее примерно от 20 до 60 мас.% волокна, и примерно от 40 до 80 мас.% коллоидного кремнезема.
9. Теплоизоляционное изделие по п.1, представляющее отлитую в вакууме, пропитанную коллоидным кремнеземом керамоволокнистую плиту, отличающееся тем, что изделие имеет рабочую температуру примерно до 1300°С, плотность больше или равную примерно 700 кг/м3, и прочность на сжатие, по меньшей мере, 6800 кПа (70 кгс/см2).
10. Теплоизоляционное изделие по п.9, отличающееся тем, что отлитая в вакууме керамоволокнистая плита перед пропиткой коллоидным кремнеземом содержит примерно от 0,4 до 50 мас.% высокоглиноземистого волокна, примерно от 4 до 90 мас.% пластинчатого глинозема и примерно от 0,01 до 0,2 мас.% крахмала.
11. Теплоизоляционное изделие по п.9, отличающееся тем, что оно содержит примерно от 40 до 80 мас.% волокна и примерно от 20 до 60 мас.% коллоидного кремнезема.
12. Теплоизоляционное изделие по п.9, отличающееся тем, что отлитую в вакууме керамоволокнистую плиту отливают из водной суспензии, включающей примерно от 0,1 до 2 мас.% глиноземистого силикатного волокна, примерно от 0,01 до 1,25 мас.% высокоглиноземистого волокна и примерно от 0,1 до 1,9 мас.% неорганической уплотняющей добавки, при этом указанная уплотняющая добавка может являться пластинчатым глиноземом, и указанная суспензия, кроме того, может включать крахмал и коллоидный кремнезем.
13. Теплоизоляционное изделие по п.9, отличающееся тем, что теплопроводность менее или равна примерно 0,2 Вт/мК в диапазоне температур примерно от 700 до 800°С.
14. Теплоизоляционное изделие по п.2, отличающееся тем, что стойкое к высоким температурам неорганическое волокно включает, по меньшей мере, одно из огнеупорного керамического волокна (RCF), высокоглиноземистого волокна, волокна силиката щелочно-земельного металла, глиноземциркониего волокна или их смеси.
15. Теплоизоляционное изделие по п.1, отличающееся тем, что прочность на сжатие является одинаковой по всему изделию.
16. Теплоизоляционное изделие по п.1, отличающееся тем, что коллоидный неорганический оксид включает, по меньшей мере, один из коллоидного кремнезема, коллоидного глинозема, коллоидного оксида циркония, коллоидного оксида титана, коллоидного оксида церия или коллоидного оксида иттрия.
17. Теплоизоляционное изделие по п.2, отличающееся тем, что оно представляет собой стойкий к высоким температурам, пропитанный коллоидным кремнеземом мат из неорганического волокна, который перед прессованием приводят в контакт с керамоволокнистой плитой, пропитанной коллоидным кремнеземом и отлитой в вакууме, прессуют и сушат для того, чтобы получить композиционное теплоизоляционное изделие.
18. Теплоизоляционное изделие по п.1, отличающееся тем, что оно представляет собой футерующую теплоизоляцию, по меньшей мере, для одного из устройств - ковша, тележки, шлакового желоба или промежуточного разливочного устройства.
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CN101454148A (zh) 2009-06-10
RU2467877C2 (ru) 2012-11-27
EP2021169A2 (en) 2009-02-11
CN101454148B (zh) 2013-10-23
EP2021169A4 (en) 2011-10-05
US7413797B2 (en) 2008-08-19
MX2008015069A (es) 2008-12-10
WO2007143067A2 (en) 2007-12-13
KR20090013812A (ko) 2009-02-05
CA2651668A1 (en) 2007-12-13
US20070281565A1 (en) 2007-12-06
BRPI0712442A8 (pt) 2017-10-24
CA2651668C (en) 2013-07-02
JP2009539050A (ja) 2009-11-12
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