CN107176844A - A kind of magnesium-calcium-carbon refractory material - Google Patents
A kind of magnesium-calcium-carbon refractory material Download PDFInfo
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- CN107176844A CN107176844A CN201710331561.3A CN201710331561A CN107176844A CN 107176844 A CN107176844 A CN 107176844A CN 201710331561 A CN201710331561 A CN 201710331561A CN 107176844 A CN107176844 A CN 107176844A
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Abstract
The present invention relates to a kind of magnesium-calcium-carbon refractory material, it is made up of the material of following mass fraction：Magnesia, 30 55 parts of calcareous raw material of oxidation, 28 35 parts of carbon, 35 parts of 68 parts of carborundum, 68 parts of sodium metasilicate, 30 40 parts of zirconium oxide, 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 magnesium-calcium-carbon refractory material, the heat-resisting quantity, wear-resisting of refractory material is improved
Performance, 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 magnesium-calcium-carbon refractory material, is made up of the material of following mass fraction：Magnesia, oxidation 30-55 parts of calcareous raw material,
28-35 parts of carbon, 6-8 parts of carborundum, 6-8 parts of sodium metasilicate, 30-40 parts of zirconium oxide, 7-8 parts of sintering aid, 15 parts of bonding agent with
3-5 parts of 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 magnesium-calcium-carbon refractory material, is made up of the material of following mass fraction：Magnesia, 30 parts of calcareous raw material of oxidation, carbon
28 parts of element, 6 parts of carborundum, 6 parts of sodium metasilicate, 30 parts of zirconium oxide, 7 parts of sintering aid, 15 parts of bonding agent and carboxymethyl ammonium acrylate 3
Part.
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 magnesium-calcium-carbon refractory material, is made up of the material of following mass fraction：Magnesia, 48 parts of calcareous raw material of oxidation, carbon
30 parts of element, 7 parts of carborundum, 7 parts of sodium metasilicate, 35 parts of zirconium oxide, 8 parts of sintering aid, 15 parts of bonding agent and carboxymethyl ammonium acrylate 4
Part.
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 magnesium-calcium-carbon refractory material, is made up of the material of following mass fraction：Magnesia, 55 parts of calcareous raw material of oxidation, carbon
35 parts of element, 8 parts of carborundum, 8 parts of sodium metasilicate, 40 parts of zirconium oxide, 8 parts of sintering aid, 15 parts of bonding agent and carboxymethyl ammonium acrylate 5
Part.
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 magnesium-calcium-carbon refractory material, it is characterised in that be made up of the material of following mass fraction：Magnesia, calcium oxide
30-55 parts of matter raw material, 28-35 parts of carbon, 6-8 parts of carborundum, 6-8 parts of sodium metasilicate, 30-40 parts of zirconium oxide, sintering aid 7-8
3-5 parts of part, 15 parts of bonding agent and carboxymethyl ammonium acrylate.
2. a kind of magnesium-calcium-carbon refractory material according to claim 1, it is characterised in that bonding agent is silicate hydrolyzate
The mixture of liquid, magnesium chloride and molasse.
3. a kind of magnesium-calcium-carbon refractory material according to claim 2, it is characterised in that bonding agent by 3 parts by weight chlorine
The molasse for changing magnesium and 15 parts by weight puts into the silicate hydrolyzate liquid of 80 parts by weight and obtained.
4. a kind of magnesium-calcium-carbon refractory material according to claim 1, it is characterised in that sintering aid is common for Rh-B-Si
Refractory oxides and Mn-Cu eutectic point hopcalites, Rh-B-Si eutectic points oxide and Mn-Cu the eutectic point oxygen
Quality parts ratio between compound is 6.5-7:0.5-0.8.
5. a kind of magnesium-calcium-carbon refractory material according to claim 4, it is characterised in that wherein described Rh-B-Si congruent meltings
Rh, B and Si mol ratio are 5-10 in point oxide:42-62:Mn in 20-37, the Mn-Cu eutectic points oxide
Mol ratio with Cu is 0.2-0.3:1.6-2.9.
6. a kind of magnesium-calcium-carbon refractory material according to claim 5, it is characterised in that the fusing point of sintering aid is 900-
1100℃。
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| CN201710331561.3A CN107176844A (en) | 2017-05-11 | 2017-05-11 | A kind of magnesium-calcium-carbon refractory material |
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| CN201710331561.3A CN107176844A (en) | 2017-05-11 | 2017-05-11 | A kind of magnesium-calcium-carbon refractory material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110668833A (en) * | 2019-10-28 | 2020-01-10 | 刘晓慧 | Preparation method of magnesium-calcium-carbon composite material |
| CN111848156A (en) * | 2019-04-25 | 2020-10-30 | 比亚迪股份有限公司 | Ceramic composition, ceramic and preparation method thereof |
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|---|---|---|---|---|
| JPH02149467A (en) * | 1988-11-30 | 1990-06-08 | Kurosaki Refract Co Ltd | Production of carbon-containing refractory material and device therefor |
| 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 |
| CN102910917A (en) * | 2012-10-20 | 2013-02-06 | 江苏苏嘉集团新材料有限公司 | Magnesium-calcium-carbon refractory material |
| CN104072158A (en) * | 2014-06-12 | 2014-10-01 | 浙江长兴电子厂有限公司 | Aluminum nitride sintering auxiliary agent and preparation method thereof as well as preparation method of aluminum nitride ceramic substrate |
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2017
- 2017-05-11 CN CN201710331561.3A patent/CN107176844A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02149467A (en) * | 1988-11-30 | 1990-06-08 | Kurosaki Refract Co Ltd | Production of carbon-containing refractory material and device therefor |
| 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 |
| CN102910917A (en) * | 2012-10-20 | 2013-02-06 | 江苏苏嘉集团新材料有限公司 | Magnesium-calcium-carbon refractory material |
| CN104072158A (en) * | 2014-06-12 | 2014-10-01 | 浙江长兴电子厂有限公司 | Aluminum nitride sintering auxiliary agent and preparation method thereof as well as preparation method of aluminum nitride ceramic substrate |
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| Title |
|---|
| 林彬荫等: "《耐火材料原料》", 31 October 2015, 冶金工业出版社 * |
| 袁林等: "《绿色耐火材料》", 31 January 2015, 中国建材工业出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111848156A (en) * | 2019-04-25 | 2020-10-30 | 比亚迪股份有限公司 | Ceramic composition, ceramic and preparation method thereof |
| CN111848156B (en) * | 2019-04-25 | 2021-11-12 | 比亚迪股份有限公司 | Ceramic composition, ceramic and preparation method thereof |
| CN110668833A (en) * | 2019-10-28 | 2020-01-10 | 刘晓慧 | Preparation method of magnesium-calcium-carbon composite material |
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