CN101985403A - Foaming stone insulation board and preparation method thereof - Google Patents
Foaming stone insulation board and preparation method thereof Download PDFInfo
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- CN101985403A CN101985403A CN2010105174463A CN201010517446A CN101985403A CN 101985403 A CN101985403 A CN 101985403A CN 2010105174463 A CN2010105174463 A CN 2010105174463A CN 201010517446 A CN201010517446 A CN 201010517446A CN 101985403 A CN101985403 A CN 101985403A
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- foaming
- feldspar
- foaming stone
- saggar
- warming plate
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Abstract
The invention discloses a foaming stone insulation board and a preparation method thereof, wherein the insulation board comprises the following components in percentage by weight: 90%-97% of feldspar, 2%-8% of mineralizer and 0.4%-2% of foaming agent. The preparation method comprises the following steps: firstly, mixing and grinding materials; then adopting a silicon carbide material for manufacturing a box body saggar; coating a clay anti-cohesion layer on the inner surface of the saggar; putting the mixed materials into the saggar and foaming and sintering the mixed materials in a tunnel kiln, wherein the sintering and foaming temperature is 1200-1250 DEG C; slowly cooling the mixed materials to obtain large blocky foaming stones; and cutting and processing the foaming stones into various blocky foaming stones. The foaming stone insulation board of the invention has the chemical composition and superior properties of the feldspar, the volume density is less than that of a light-weight insulating brick, the mechanical strength is higher than that of the light-weight insulating brick, the heat-insulating property is better than that of the light-weight insulating brick, the usage temperature is higher than that of foaming glass and foaming ceramics, and the foaming stone insulation board can be used for insulation of an outer layer of high-temperature equipment such as high-temperature kiln and the like, and can obviously improve the insulation effect.
Description
Technical field
The present invention relates to a kind of heat-insulation and heat-preservation material and preparation method thereof, specifically is a kind of foaming stone warming plate and preparation method thereof.
Background technology
High temperature kiln is the equipment in order to calcining materials or burnt product that is built into refractory materials; Whether its structure is reasonable, and whether type selecting is correct, is directly connected to the quality of product, and the height of output and energy expenditure etc. are the key equipments in the Production of Ceramics.Light-weight insulating brick is mainly used in the insulation of high temperature service (kiln) at present, the high light weeight alumina brick of using of internal layer temperature, and skin is used light weight fireclay brick, influences its heat insulation effect owing to this class insulating brick all has ventilation property; The kiln skin that has seals with iron plate, and the temperature of appearance iron plate is still higher, and heat insulation effect is poor.
Summary of the invention
Goal of the invention: first purpose of the present invention is in order to overcome the deficiencies in the prior art, a kind of foaming stone warming plate is provided, it is the good light thermal insulation board of resistance to air loss, this warming plate contains a large amount of independently intensive small bubbles, gluing between the small bubbles by the resistance to air loss excellent material, the foaming slab integral is airtight, non-hygroscopic, thermal conductivity is little, high insulating effect; It is the heat-insulation and heat-preservation material that a kind of good kiln skin has tight function.
Second purpose of the present invention is for the preparation method of foaming stone warming plate is provided.
Technical scheme: in order to solve above-mentioned first purpose, foaming stone warming plate of the present invention is that natural mineral-feldspar is a raw material, and interpolation part mineralizer, whipping agent form through the high temperature sintering foaming.Described foaming stone warming plate comprises the component of following weight percentage: feldspar 90.0%～97.0%, mineralizer 2.0%～8.0%, whipping agent 0.4%～2.0%.
This foaming stone warming plate has felspathic chemical constitution and premium properties, has good heat preservation and insulation simultaneously, contains intensive separate small bubbles, and material itself does not absorb water airtight, and volume density is less than 0.4; Have good air-tightness, chemically stable and thermostability as light heat insulating material, use temperature can reach 900 ℃.
Described feldspar comprises any in albite, potassium felspar sand, potassium albite, the lime feldspar.
Described mineralizer is lime carbonate or yellow soda ash.
Described whipping agent is any in carbon dust, saltcake, the gypsum.
In order to solve above-mentioned second purpose, the technical solution adopted in the present invention is: the preparation method of foaming stone warming plate, this method comprises the steps:
(1), then feldspar is obtained particle diameter≤300 purpose materials through fragmentation, pulverizing, ball milling according to the shared weight percentage weighing of feldspar, mineralizer and whipping agent; Again with this material with obtain pulverulent material after mineralizer, whipping agent mix;
(2) select for use carbofrax material to make the casing saggar, be coated with one deck clay anti-stick layer at the saggar internal surface, described pulverulent material levigate and that mix is put into the inherent tunnel furnace of the saggar sintering that foams, sintered and foamed temperature is at 1200～1250 ℃, through slowly obtaining big blocky foaming stone after the cooling, again through being cut into various blocky described foaming stone warming plates.
Beneficial effect: compared with prior art, advantage of the present invention is that foaming stone warming plate of the present invention has felspathic chemical constitution and premium properties, volume density is less than light-weight insulating brick, physical strength is higher than light-weight insulating brick, heat preservation and insulation obviously is better than light-weight insulating brick, use temperature is higher than multicellular glass, foamed ceramics, can be used for the skin insulation of high temperature equipment such as high temperature kiln, can significantly improve heat insulation and preservation effect; The high temperature kiln skin does not also use this resistance to air loss heat-insulation and heat-preservation mode at present, and appearance temperature still higher (about 80 ℃) if the two-layer foaming stone warming plate fissure of displacement of outer use is built by laying bricks or stones, can reduce appearance temperature about 30%, obviously improves heat insulation effect.
Embodiment
The present invention is described in further detail below in conjunction with embodiment.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also make some improvement, these improvement also should be considered as protection scope of the present invention.
Embodiment 1: the present invention's stone warming plate that foams comprises following component, and the weight percentage of each component is respectively: albite 94.0%, lime carbonate 5.0%, carbon dust 1.0%.
The preparation method of this foaming stone warming plate is as follows:
(1), then albite is obtained particle diameter≤300 purpose materials through fragmentation, pulverizing, ball milling according to the shared weight percentage weighing of albite, lime carbonate and carbon dust; Again with this material with obtain pulverulent material after lime carbonate, carbon dust mix;
(2) select for use carbofrax material to make the casing saggar, be coated with one deck clay anti-stick layer at the saggar internal surface, described pulverulent material levigate and that mix is put into the inherent tunnel furnace of the saggar sintering that foams, sintered and foamed temperature is at 1200～1250 ℃, through slowly obtaining big blocky foaming stone after the cooling, again through being cut into various blocky described foaming stone warming plates.
The using method of this foaming stone warming plate: identical with the building method of the lagging material of using always on the kiln skin, better with the heat insulation and preservation effect that the bulk fissure of displacement is built by laying bricks or stones.
Embodiment 2: the present invention's stone warming plate that foams comprises following component, and the weight percentage of each component is respectively: lime feldspar 96.0%, yellow soda ash 3.2%, carbon dust 0.8%.
Its preparation method is identical with embodiment 1.
Embodiment 3: the present invention's stone warming plate that foams comprises following component, and the weight percentage of each component is respectively: potassium albite 90.0%, lime carbonate 8.0%, saltcake 2.0%.
Its preparation method is identical with embodiment 1.
Embodiment 4: the present invention's stone warming plate that foams comprises following component, and the weight percentage of each component is respectively: albite 97.0%, lime carbonate 2.6%, carbon dust 0.4%.
Its preparation method is identical with embodiment 1.
Embodiment 5: the present invention's stone warming plate that foams comprises following component, and the weight percentage of each component is respectively: albite 95.0%, lime carbonate 3.6%, carbon dust 1.4%.
Its preparation method is identical with embodiment 1.
Embodiment 6: the present invention's stone warming plate that foams comprises following component, and the weight percentage of each component is respectively: albite 96.0%, yellow soda ash 2.0%, gypsum 2.0%.
Its preparation method is identical with embodiment 1.
Claims (5)
1. a foaming stone warming plate is characterized in that it comprises the component of following weight percentage: feldspar 90%～97%, mineralizer 2%～8%, whipping agent 0.4%～2%.
2. foaming stone warming plate according to claim 1 is characterized in that described feldspar comprises any in albite, potassium felspar sand, potassium albite, the lime feldspar.
3. foaming stone warming plate according to claim 1 is characterized in that described mineralizer is lime carbonate or yellow soda ash.
4. foaming stone warming plate according to claim 1 is characterized in that described whipping agent is any in carbon dust, saltcake, the gypsum.
5. according to the preparation method of each described foaming stone warming plate in the claim 1 to 4, it is characterized in that this method comprises the steps:
(1), then feldspar is obtained particle diameter≤300 purpose materials through fragmentation, pulverizing, ball milling according to the shared weight percentage weighing of feldspar, mineralizer and whipping agent; Again with this material with obtain pulverulent material after mineralizer, whipping agent mix;
(2) select for use carbofrax material to make the casing saggar, be coated with one deck clay anti-stick layer at the saggar internal surface, described pulverulent material levigate and that mix is put into the inherent tunnel furnace of the saggar sintering that foams, sintered and foamed temperature is at 1200～1250 ℃, through slowly obtaining big blocky foaming stone after the cooling, again through being cut into various blocky described foaming stone warming plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105174463A CN101985403A (en) | 2010-10-22 | 2010-10-22 | Foaming stone insulation board and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105174463A CN101985403A (en) | 2010-10-22 | 2010-10-22 | Foaming stone insulation board and preparation method thereof |
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| CN101985403A true CN101985403A (en) | 2011-03-16 |
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| CN2010105174463A Pending CN101985403A (en) | 2010-10-22 | 2010-10-22 | Foaming stone insulation board and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102617180A (en) * | 2012-03-27 | 2012-08-01 | 江苏南瓷绝缘子有限公司 | Porous foamed ceramic and preparation method thereof |
| CN102964112A (en) * | 2012-11-26 | 2013-03-13 | 中国铝业股份有限公司 | Method for producing light-weight insulating brick |
| CN103880475A (en) * | 2014-03-31 | 2014-06-25 | 江苏脒诺甫纳米材料有限公司 | Emulsion whitening agent for ceramic and preparation method thereof |
| CN104341157A (en) * | 2013-07-25 | 2015-02-11 | 牛继伟 | Large Zibo kiln ceramic ware sintering technology |
| CN104987046A (en) * | 2015-07-15 | 2015-10-21 | 江苏振宇环保科技有限公司 | Building thermal insulation material |
| CN105017770A (en) * | 2015-07-08 | 2015-11-04 | 西北工业大学 | Preparation method of carbon fiber powder reinforced polyimide foam material |
| CN107555979A (en) * | 2017-09-08 | 2018-01-09 | 绵阳梨坪科技有限公司 | Lightweight heat-proof foaming stone insulation board and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102617180A (en) * | 2012-03-27 | 2012-08-01 | 江苏南瓷绝缘子有限公司 | Porous foamed ceramic and preparation method thereof |
| CN102617180B (en) * | 2012-03-27 | 2014-01-29 | 江苏南瓷绝缘子有限公司 | Porous foamed ceramic and preparation method thereof |
| CN102964112A (en) * | 2012-11-26 | 2013-03-13 | 中国铝业股份有限公司 | Method for producing light-weight insulating brick |
| CN104341157A (en) * | 2013-07-25 | 2015-02-11 | 牛继伟 | Large Zibo kiln ceramic ware sintering technology |
| CN103880475A (en) * | 2014-03-31 | 2014-06-25 | 江苏脒诺甫纳米材料有限公司 | Emulsion whitening agent for ceramic and preparation method thereof |
| CN105017770A (en) * | 2015-07-08 | 2015-11-04 | 西北工业大学 | Preparation method of carbon fiber powder reinforced polyimide foam material |
| CN105017770B (en) * | 2015-07-08 | 2017-06-06 | 西北工业大学 | A kind of carbon fiber powder strengthens the preparation method of Polyimide foams |
| CN104987046A (en) * | 2015-07-15 | 2015-10-21 | 江苏振宇环保科技有限公司 | Building thermal insulation material |
| CN107555979A (en) * | 2017-09-08 | 2018-01-09 | 绵阳梨坪科技有限公司 | Lightweight heat-proof foaming stone insulation board and preparation method thereof |
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Application publication date: 20110316 |