CN102311272A - Fire-resistant fiberboard with low shrinkage at temperature of 1600DEG - Google Patents
Fire-resistant fiberboard with low shrinkage at temperature of 1600DEG Download PDFInfo
- Publication number
- CN102311272A CN102311272A CN201110061482A CN201110061482A CN102311272A CN 102311272 A CN102311272 A CN 102311272A CN 201110061482 A CN201110061482 A CN 201110061482A CN 201110061482 A CN201110061482 A CN 201110061482A CN 102311272 A CN102311272 A CN 102311272A
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- Prior art keywords
- 1600deg
- fire
- temperature
- shrinkage
- alumina
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Abstract
The invention discloses a fire-resistant fiberboard with low shrinkage at a temperature of 1600DEG, which is characterized by mainly comprising the following raw material formula in percentage by mass: 40-55% of alumina fiber cotton containing more than 95% of alumina and 30-60% of alumina micro powders with diameters of 2-20micrometer. The shrinkage of the fire-resistant fiberboard with low shrinkage at the temperature of 1600DEG under the condition of being heated for 24hours, disclosed by the invention, is: the length is less than or equal to 1% and the thickness is less than or equal to 3%; and the production cost is low.
Description
Technical field
the present invention relates to the flame-retardant fibre board production field, especially a kind of 1600 degree low-shrinkage flame-retardant fibre boards.
Background technology
In 1600 the ceramic beaverboard that use at present at home
; Main prescription is to use alumina-silicate ceramic fibre and ceramic alumina fiber to produce according to certain proportioning; Its shrinkage ratio is bigger; 1600 degree heated 24 hours down, and the horizontal direction shrinking percentage is at 3-4% usually, and the thickness direction shrinking percentage is about 8-12%.In the use of reality because the length shrinking percentage is bigger, than being easier to the slit appears, and the contraction of thickness side, the insulating thickness attenuation declines to a great extent the heat-insulating property of whole stove.Sometimes can use the material of higher category, but price is very expensive, each producer is also very low in the searching shrinking percentage at present, the same low substitute products of price.
Summary of the invention
the present invention seeks to: a kind of 1600 degree low-shrinkage flame-retardant fibre boards are provided.
technical scheme of the present invention is: a kind of 1600 degree low-shrinkage flame-retardant fibre boards; It is characterized in that; Mainly form: the cotton 40%-55% of the sapphire whisker of alumina content more than 95%, the alumina powder 30%-60% of diameter 2-20um by the composition of raw materials of following quality percentage composition.
are further, and said composition of raw materials also comprises aluminosilicate fiber cotton, and the content of said aluminosilicate fiber cotton is smaller or equal to 30%.
are further, and said aluminosilicate fiber cotton is 1260 degree aluminosilicate fiber cottons.
principle of work: add the aluminum oxide and the silicon oxide that cooperate according to a certain percentage in the raw material,, utilize the bulking effect of this reaction to suppress to offset the contraction of fiber itself through letting it produce mullite crystalline phase.In fiber, add a spot of small-particle refractory materials different with fiber; Make this material can be attached to fiber surface, wrap fiber, with separating between fiber and the fiber; Suppressing aluminum silicate fiber is in contact with one another; Hinder the crystallization of fiber under the high temperature, slow down the contraction speed of fiber, reduce the shrinking percentage of fiber.Aspect physics, can also use hydraulicefficiency plant that ceramic beaverboard is compressed in addition, strengthen density, make its intensity strengthen, density increases, and strengthens density, reduces to heat the space of post shrinkage.1600 degree low-shrinkage flame-retardant fibre board density of the present invention are 300kg/m3; The length shrinking percentage is below 1%; The thickness shrinking percentage is below 3%, and more than 60, folding strength is more than 0.6Mpa at Shao Shi for hardness; Thermal conductivity is less than 0.2w/mk under 1000 temperature, and the chemical ingredients alumina content is about 80%.
Advantage of the present invention is:
1600 degree low-shrinkage flame-retardant fibre boards of the present invention heat 24 hours shrinking percentages under the condition at 1600 degree: length≤1%, and thickness≤3%, production cost is low.
Embodiment
One: 1260 aluminosilicate fiber cotton 15% of embodiment, sapphire whisker 40%, diameter 20um alumina powder 45%,
the finished product are at 24 hours heat shrink rate length 0.74% of 1600 degree, thickness 2.29%.
Two: 1260 aluminosilicate fiber cottons 0% of embodiment, sapphire whisker 40%, diameter 20um alumina powder 60%
the finished product are at 24 hours heat shrink rate length 0.15% of 1600 degree, thickness 1.08%.
Three: 1260 aluminosilicate fiber cottons 30% of embodiment, sapphire whisker 40%, diameter 5um alumina powder 30%
the finished product are at 24 hours heat shrink rate length 0.25% of 1600 degree, thickness 1.16%.
Four: 1260 aluminosilicate fiber cottons 10% of embodiment, sapphire whisker 55%, diameter 15um alumina powder 35%
the finished product are at 24 hours heat shrink rate length 0.55% of 1600 degree, thickness 2.23%.
Claims (2)
1. a degree low-shrinkage flame-retardant fibre board is characterized in that, mainly is made up of the composition of raw materials of following quality percentage composition: the cotton 40%-55% of the sapphire whisker of alumina content more than 95%, the alumina powder 30%-60% of diameter 2-20um.
2. a kind of 1600 degree low-shrinkage flame-retardant fibre boards according to claim 1 is characterized in that said composition of raw materials also comprises 1260 aluminosilicate fiber cottons, and the content of said 1260 aluminosilicate fiber cottons is smaller or equal to 30%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110061482A CN102311272A (en) | 2011-03-15 | 2011-03-15 | Fire-resistant fiberboard with low shrinkage at temperature of 1600DEG |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110061482A CN102311272A (en) | 2011-03-15 | 2011-03-15 | Fire-resistant fiberboard with low shrinkage at temperature of 1600DEG |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102311272A true CN102311272A (en) | 2012-01-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110061482A Pending CN102311272A (en) | 2011-03-15 | 2011-03-15 | Fire-resistant fiberboard with low shrinkage at temperature of 1600DEG |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102311272A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102603319A (en) * | 2012-03-15 | 2012-07-25 | 苏州伊索来特耐火纤维有限公司 | Aluminum silicate ceramic fiber surface coating capable of being used at temperature of 1600 DEG C |
| CN103467116A (en) * | 2013-08-29 | 2013-12-25 | 江苏高皓工业炉有限公司 | Production method of high-temperature mixed fiber product |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1590347A (en) * | 2004-01-01 | 2005-03-09 | 湖北凯龙化工集团股份有限公司 | Aluminium silieate fire retardant fiber board |
| CN101182192A (en) * | 2007-11-16 | 2008-05-21 | 上海伊索热能技术有限公司 | Ceramic fibre composition reducing variation of higher temperature lines and preparation technique thereof |
| CN101591193A (en) * | 2008-12-27 | 2009-12-02 | 摩根凯龙（荆门）热陶瓷有限公司 | A kind of ceramic beaverboard |
-
2011
- 2011-03-15 CN CN201110061482A patent/CN102311272A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1590347A (en) * | 2004-01-01 | 2005-03-09 | 湖北凯龙化工集团股份有限公司 | Aluminium silieate fire retardant fiber board |
| CN101182192A (en) * | 2007-11-16 | 2008-05-21 | 上海伊索热能技术有限公司 | Ceramic fibre composition reducing variation of higher temperature lines and preparation technique thereof |
| CN101591193A (en) * | 2008-12-27 | 2009-12-02 | 摩根凯龙（荆门）热陶瓷有限公司 | A kind of ceramic beaverboard |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102603319A (en) * | 2012-03-15 | 2012-07-25 | 苏州伊索来特耐火纤维有限公司 | Aluminum silicate ceramic fiber surface coating capable of being used at temperature of 1600 DEG C |
| CN102603319B (en) * | 2012-03-15 | 2014-01-01 | 苏州伊索来特耐火纤维有限公司 | Aluminum silicate ceramic fiber surface coating capable of being used at temperature of 1600 DEG C |
| CN103467116A (en) * | 2013-08-29 | 2013-12-25 | 江苏高皓工业炉有限公司 | Production method of high-temperature mixed fiber product |
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| C12 | Rejection of a patent application after its publication | ||
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Application publication date: 20120111 |