CN107266084A - A kind of low stomata magnesite-chrome brick - Google Patents
A kind of low stomata magnesite-chrome brick Download PDFInfo
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- CN107266084A CN107266084A CN201710331563.2A CN201710331563A CN107266084A CN 107266084 A CN107266084 A CN 107266084A CN 201710331563 A CN201710331563 A CN 201710331563A CN 107266084 A CN107266084 A CN 107266084A
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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Abstract
The present invention relates to a kind of low stomata magnesite-chrome brick, it is made up of the material of following mass fraction：45 55 parts of electric smelting Magnesia-chrome synthetic materials, 30 35 parts of highly-purity magnesite, 12 15 parts of fine chrome mine, sinters 10 15 parts of Magnesia-chrome synthetic materials, 35 parts of 68 parts of superfine chromium oxide powder, 18 24 parts of alumina silicate fibre containing chromium, 78 parts of sintering aid, 15 parts of bonding agent and carboxymethyl ammonium acrylate.The present invention improves the heat-resisting quantity of refractory material, anti-wear performance, thermal shock resistance, thermal conductivity, high temperature corrosion etc., extends the service life of refractory material.
Description
Technical field
The present invention relates to field of material technology, especially a kind of refractory material.
Background technology
Refractory material refers to that refractoriness is not less than 1500 DEG C of a class inorganic non-metallic material, and refractoriness refers to refractory material
Bullet sample is in the case of no loading, and resistance high temperature action is without softening molten Celsius temperature.Refractory material includes
Natural crystal and manufactured according to certain industrial requirements, with certain mechanical behavior under high temperature, good volume stability, and
And material necessary to be various high temperature resistant equipment.Refractory material is widely used in chemical industry, oil, metallurgy, machine-building, power etc.
Industrial circle, consumption is maximum especially in metallurgical industry, and irreplaceable important function is played in hot industry production development.
Critical component during refractory material is equipped as hot industry is to realize the guarantee that high temperature resistant equipment runs well, closely
It is continuous to refractory material over year to propose new requirement, and existing refractory material high temperature corrosion and inoxidizability are undesirable, surely
Qualitative difference, usage cycles are shorter, therefore, seek a kind of new refractory material, the service life for extending high temperature resistant equipment
There is great meaning.
The content of the invention
It is an object of the invention to provide a kind of low stomata magnesite-chrome brick, heat-resisting quantity, the anti-wear performance of refractory material are improved,
Thermal shock resistance, thermal conductivity, high temperature corrosion etc., extend the service life of refractory material.
To achieve these goals, the present invention uses following technical scheme：
A kind of low stomata magnesite-chrome brick, is made up of the material of following mass fraction：45-55 parts of electric smelting Magnesia-chrome synthetic materials, highly-purity magnesite
30-35 parts, 12-15 parts of fine chrome mine sinters 10-15 parts of Magnesia-chrome synthetic materials, 6-8 parts of superfine chromium oxide powder, alumina silicate fibre containing chromium
3-5 parts of 18-24 parts, 7-8 parts of sintering aid, 15 parts of bonding agent and carboxymethyl ammonium acrylate.
Preferably, bonding agent is the mixture of silicate hydrolyzate liquid, magnesium chloride and molasse.
Preferably, bonding agent is put into the silicic acid of 80 parts by weight by the magnesium chloride of 3 parts by weight and the molasse of 15 parts by weight
Ethyl ester hydrolyzate and obtain.
Preferably, sintering aid is Rh-B-Si eutectic points oxide and Mn-Cu eutectic point hopcalites, institute
It is 6.5-7 to state the quality parts ratio between Rh-B-Si eutectic points oxide and Mn-Cu eutectic point oxides:0.5-0.8.
Preferably, Rh, B and Si mol ratio are 5-10 in wherein described Rh-B-Si eutectic points oxide:42-
62:Mn and Cu mol ratio is 0.2-0.3 in 20-37, the Mn-Cu eutectic points oxide:1.6-2.9.
Preferably, the fusing point of sintering aid is 900-1100 DEG C.
The present invention compared with prior art, improves heat-resisting quantity, the anti-wear performance of refractory material, thermal shock resistance, heat
Conductance, high temperature corrosion etc., extend the service life of refractory material.
Embodiment
Hereinafter, the preferred plan for implementing the present invention is illustrated.
The production method of the refractory material of the present invention can be conventional method or following steps：
Matrix component is added in the kneading machines such as edge runner first and carried out after mixed processing, adhesive is added, at 175-200 DEG C
Lower mixing 30-45min, then adds sintering aid, is heat-treated under nonoxidizing atmosphere or reducing atmosphere, heat treatment temperature
For 1150-1300 DEG C, the time is 55min, and the refractory material of the present invention is obtained after cooling.
Embodiment 1
A kind of low stomata magnesite-chrome brick, is made up of the material of following mass fraction：45 parts of electric smelting Magnesia-chrome synthetic materials, highly-purity magnesite 30
Part, 12 parts of fine chrome mine sinters 10 parts of Magnesia-chrome synthetic materials, 6 parts of superfine chromium oxide powder, 18 parts of alumina silicate fibre containing chromium, sintering aid
3 parts of 7 parts, 15 parts of bonding agent and carboxymethyl ammonium acrylate.
Bonding agent is put into the silicate hydrolyzate liquid of 80 parts by weight by the magnesium chloride of 3 parts by weight and the molasse of 15 parts by weight
And obtain.
Sintering aid is Rh-B-Si eutectic points oxide and Mn-Cu eutectic point hopcalites, the Rh-B-Si
Quality parts ratio between eutectic point oxide and Mn-Cu eutectic point oxides is 6.5:0.5.
Rh, B and Si mol ratio are 5 in wherein described Rh-B-Si eutectic points oxide:42:20, the Mn-
Mn and Cu mol ratio is 0.2 in Cu eutectic point oxides:1.6.The fusing point of sintering aid is 900 DEG C.
There is at preferable thermal conductivity, 1000 DEG C obtained refractory material heat conduction, which to wash one's face and rinse one's mouth, can reach 35W/ (mk), Mohs
Hardness is higher than corundum hardness, and anti-wear performance is 8 times of high-alumina brick.
Embodiment 2
A kind of low stomata magnesite-chrome brick, is made up of the material of following mass fraction：50 parts of electric smelting Magnesia-chrome synthetic materials, highly-purity magnesite 32
Part, 13 parts of fine chrome mine sinters 12 parts of Magnesia-chrome synthetic materials, 7 parts of superfine chromium oxide powder, 20 parts of alumina silicate fibre containing chromium, sintering aid 8
4 parts of part, 15 parts of bonding agent and carboxymethyl ammonium acrylate.
Bonding agent is put into the silicate hydrolyzate liquid of 80 parts by weight by the magnesium chloride of 3 parts by weight and the molasse of 15 parts by weight
And obtain.
Sintering aid is Rh-B-Si eutectic points oxide and Mn-Cu eutectic point hopcalites, the Rh-B-Si
Quality parts ratio between eutectic point oxide and Mn-Cu eutectic point oxides is 6. 7:0.75.
Rh, B and Si mol ratio are 7 in wherein described Rh-B-Si eutectic points oxide:52:27, the Mn-
Mn and Cu mol ratio is 0.25 in Cu eutectic point oxides:1.9.The fusing point of sintering aid is 1000 DEG C.
There is at preferable thermal conductivity, 1000 DEG C obtained refractory material heat conduction, which to wash one's face and rinse one's mouth, can reach 38W/ (mk), Mohs
Hardness is higher than corundum hardness, and anti-wear performance is 8.5 times of high-alumina brick.
Embodiment 3
A kind of low stomata magnesite-chrome brick, is made up of the material of following mass fraction：55 parts of electric smelting Magnesia-chrome synthetic materials, highly-purity magnesite 35
Part, 15 parts of fine chrome mine sinters 15 parts of Magnesia-chrome synthetic materials, 8 parts of superfine chromium oxide powder, 24 parts of alumina silicate fibre containing chromium, sintering aid
5 parts of 8 parts, 15 parts of bonding agent and carboxymethyl ammonium acrylate.
Bonding agent is put into the silicate hydrolyzate liquid of 80 parts by weight by the magnesium chloride of 3 parts by weight and the molasse of 15 parts by weight
And obtain.
Sintering aid is Rh-B-Si eutectic points oxide and Mn-Cu eutectic point hopcalites, the Rh-B-Si
Quality parts ratio between eutectic point oxide and Mn-Cu eutectic point oxides is 7:0.8.
Rh, B and Si mol ratio are 10 in wherein described Rh-B-Si eutectic points oxide: 62:37, the Mn-
Mn and Cu mol ratio is 0.3 in Cu eutectic point oxides: 2.9.The fusing point of sintering aid is 1100 DEG C.
There is at preferable thermal conductivity, 1000 DEG C obtained refractory material heat conduction, which to wash one's face and rinse one's mouth, can reach 37W/ (mk), Mohs
Hardness is higher than corundum hardness, and anti-wear performance is 9 times of high-alumina brick.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be defined by claim.
Claims (6)
1. a kind of low stomata magnesite-chrome brick, it is characterised in that be made up of the material of following mass fraction：Electric smelting Magnesia-chrome synthetic materials 45-
55 parts, 30-35 parts of highly-purity magnesite, 12-15 parts of fine chrome mine, 10-15 parts of Magnesia-chrome synthetic materials of sintering, 6-8 parts of superfine chromium oxide powder,
3-5 parts of 18-24 parts of alumina silicate fibre containing chromium, 7-8 parts of sintering aid, 15 parts of bonding agent and carboxymethyl ammonium acrylate.
2. a kind of low stomata magnesite-chrome brick according to claim 1, it is characterised in that bonding agent be silicate hydrolyzate liquid,
The mixture of magnesium chloride and molasse.
3. a kind of low stomata magnesite-chrome brick according to claim 2, it is characterised in that bonding agent by 3 parts by weight magnesium chloride
The silicate hydrolyzate liquid of 80 parts by weight is put into the molasse of 15 parts by weight and is obtained.
4. a kind of low stomata magnesite-chrome brick according to claim 1, it is characterised in that sintering aid is Rh-B-Si eutectic points
Oxide and Mn-Cu eutectic point hopcalites, Rh-B-Si eutectic points oxide and Mn-Cu the eutectic point oxide
Between quality parts ratio be 6.5-7:0.5-0.8.
5. a kind of low stomata magnesite-chrome brick according to claim 4, it is characterised in that wherein described Rh-B-Si eutectic points oxygen
Rh, B and Si mol ratio are 5-10 in compound:42-62:In 20-37, the Mn-Cu eutectic points oxide Mn and
Cu mol ratio is 0.2-0.3:1.6-2.9.
6. a kind of low stomata magnesite-chrome brick according to claim 5, it is characterised in that the fusing point of sintering aid is 900-1100
℃。
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| CN201710331563.2A CN107266084A (en) | 2017-05-11 | 2017-05-11 | A kind of low stomata magnesite-chrome brick |
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| CN201710331563.2A CN107266084A (en) | 2017-05-11 | 2017-05-11 | A kind of low stomata magnesite-chrome brick |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101657304A (en) * | 2007-02-07 | 2010-02-24 | 元进国际有限公司 | Be used to make the preparation of the refractory material of steel ingot |
| CN103332940A (en) * | 2013-06-19 | 2013-10-02 | 宜兴新威利成耐火材料有限公司 | Semi-rebonded magnesite-chrome brick for copper smelter and preparation method thereof |
| CN105473257A (en) * | 2013-09-05 | 2016-04-06 | 汉高知识产权控股有限责任公司 | Metal sintering film compositions |
| CN106542834A (en) * | 2016-10-10 | 2017-03-29 | 马鞍山豹龙新型建材有限公司 | A kind of heat shock resistant refractory brick and preparation method thereof |
| CN106588055A (en) * | 2016-12-20 | 2017-04-26 | 郑州安联凯实业有限公司 | Heat-conduction anti-abrasion fireproof material |
-
2017
- 2017-05-11 CN CN201710331563.2A patent/CN107266084A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101657304A (en) * | 2007-02-07 | 2010-02-24 | 元进国际有限公司 | Be used to make the preparation of the refractory material of steel ingot |
| CN103332940A (en) * | 2013-06-19 | 2013-10-02 | 宜兴新威利成耐火材料有限公司 | Semi-rebonded magnesite-chrome brick for copper smelter and preparation method thereof |
| CN105473257A (en) * | 2013-09-05 | 2016-04-06 | 汉高知识产权控股有限责任公司 | Metal sintering film compositions |
| CN106542834A (en) * | 2016-10-10 | 2017-03-29 | 马鞍山豹龙新型建材有限公司 | A kind of heat shock resistant refractory brick and preparation method thereof |
| CN106588055A (en) * | 2016-12-20 | 2017-04-26 | 郑州安联凯实业有限公司 | Heat-conduction anti-abrasion fireproof material |
Non-Patent Citations (1)
| Title |
|---|
| 袁林等: "《绿色耐火材料》", 31 January 2015, 中国建材工业出版社 * |
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Application publication date: 20171020 |