CN111995409A - Medium frequency induction furnace ramming mass based on magnesium aluminate spinel reclaimed materials - Google Patents
Medium frequency induction furnace ramming mass based on magnesium aluminate spinel reclaimed materials Download PDFInfo
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Abstract
The invention relates to a medium-frequency induction furnace ramming mass based on magnesium aluminate spinel reclaimed materials, which comprises the following components in parts by weight: 60-75 parts of magnesia-alumina spinel reclaimed material, 10-20 parts of fused corundum and alpha-Al2O35-10 parts of micro powder, 3-5 parts of calcium carbonate, 3-5 parts of titanium dioxide and 1-1.5 parts of boric acid. The ramming mass prepared by the invention has the advantages of low cost, energy conservation, environmental protection, high refractoriness, high strength and good volume stability.
Description
Technical Field
The invention belongs to the technical field of refractory materials, and particularly relates to a ramming material of a medium-frequency induction furnace based on magnesium aluminate spinel reclaimed materials.
Background
The medium-frequency induction furnace has the advantages of convenient operation, rapid temperature rise, energy conservation and the like, and is widely applied to the industries of casting, heat treatment and the like. The refractory material furnace lining of intermediate frequency induction furnace is its important component, and the refractory material furnace lining of most intermediate frequency induction furnace is dry-type ramming mass, and magnesium aluminate spinel is the common principal ingredients of intermediate frequency induction furnace dry-type ramming mass, nevertheless, receives the mineral resources that are increasingly nervous, and the raw materials price for spinel synthesis is constantly rising, therefore, the preparation of ramming mass with the abandonment spinel of a large amount of spinel as the major component that produces of trade such as cement has very important realistic meaning.
Chinese patent No. 201811466855.8 discloses a corundum dry ramming mass for medium frequency induction furnace and its preparation method, the introduced zirconium oxychloride octahydrate generates hydrogen chloride which has strong stimulation to human body at high temperature; chinese patent No. 201710895884.5 discloses a magnesium-calcium ramming mass produced from waste refractory material and its manufacturing method, the used organic binder composed of tung oil, etc. is liable to generate toxic gas at high temperature; chinese patent application No. 201310425094.2 discloses a ramming mass for an intermediate frequency furnace, the chromium oxide introduced therein causing serious pollution problems; chinese patent No. 201610667100.9 discloses a ramming mass for an intermediate frequency induction furnace and a preparation method thereof, wherein the ramming mass is expensive due to the addition of a large amount of aluminum lactate and magnesium lactate; chinese patent with application number 201811397190.X discloses a quartz ramming mass for an induction furnace and a preparation method thereof, wherein the quartz ramming mass has insufficient volume stability and lower use temperature; the Chinese patent with the application number of 201110317428.5 discloses a ramming mass of a metallurgical electromagnetic induction intermediate frequency furnace, and the maximum use temperature of the ramming mass is lower due to the fact that high-alumina bauxite homogenized mixture is used in the ramming mass in a large amount; the application number 201710497381.2 of Chinese patent discloses a ramming mass for a pre-alloyed powder smelting intermediate frequency furnace, the application number 201910247841.5 of Chinese patent discloses a ramming mass for an intermediate frequency furnace and a preparation method thereof, and the use of silicon carbide in the two patents hinders the sintering of the working surface of the ramming mass at high temperature and reduces the strength of a sintering layer; chinese patent No. 201510623838.0 discloses a dry ramming mass for a furnace body of an intermediate frequency induction furnace, wherein introduced boric acid forms a liquid phase at high temperature, and the high temperature performance of the ramming mass is reduced; the Chinese patent with the application number of 201510054600.0 discloses an aluminum-magnesium composite ramming material for an intermediate frequency induction furnace, the used raw materials are basically recycled refractory materials with poor activity, and the ramming material has insufficient sintering strength; the Chinese patent No. 201610681549.0 discloses an efficient energy-saving magnesium ramming mass prepared by recycling waste magnesium brick materials of a cement plant and a preparation process thereof, wherein the waste magnesium brick materials are too high to cause low strength.
Disclosure of Invention
The invention aims to solve the technical problem of providing a ramming material for a medium-frequency induction furnace based on a magnesia-alumina spinel reclaimed material, and the prepared ramming material has the advantages of low cost, energy conservation, environmental protection, high refractoriness, high strength and good volume stability.
In order to solve the technical problems, the invention provides a ramming material for a medium frequency induction furnace based on a magnesium aluminate spinel reclaimed material, which is characterized by comprising the following components in parts by weight:
preferably, the particle size of the recycled magnesia-alumina spinel material is 0.088-5 mm.
Preferably, the recycled magnesia alumina spinel material comprises two specifications of 0.088-3 mm and 3-5 mm in particle size, and the weight parts of the two specifications are as follows:
35-40 parts of recycled magnesia alumina spinel with the particle size of 0.088-3 mm
25-35 parts of 3-4 mm magnesium aluminate spinel reclaimed material.
Preferably, Al in the recycled magnesia-alumina spinel material2O3Is not less than 65 percent by mass, MgO is not less than 15 percent by mass, and SiO2Is not more than 15 percent by mass, Fe2O3The mass percentage content of (A) is not more than 3.5%.
Preferably, the particle size of the fused corundum is 0.045-5 mm.
Preferably, Al in the fused corundum2O3The mass percentage of (A) is not less than 94%.
Preferably, the particle size of the calcium carbonate is less than or equal to 0.005 mm.
Preferably, CaCO in said calcium carbonate3The mass percentage of (A) is not less than 98%.
Preferably, the particle size of the titanium dioxide is less than or equal to 0.004 mm.
Preferably, TiO in the titanium dioxide2The mass percentage of (A) is not less than 98%.
The invention has the beneficial effects that: the invention takes the magnesia-alumina spinel reclaimed material as the main raw material, achieves the purpose of resource utilization of solid waste, saves energy, protects environment and reduces cost; the volume change of the ramming mass sintering at high temperature is inhibited through the volume expansion accompanying the process of forming calcium hexaluminate by calcium carbonate and alumina micropowder at high temperature; titanium dioxide is introduced into the matrix to form calcium titanate at high temperature, so that the contact tightness among calcium hexaluminate crystal particles is improved, and the strength is increased. In addition, the titanium dioxide can improve the sintering performance of the magnesium aluminate spinel reclaimed material and improve the compactness of the material.
Detailed Description
Example 1
The medium-frequency induction furnace ramming material based on magnesium aluminate spinel reclaimed materials comprises the following components in parts by weight:
wherein Al in the recycled magnesia-alumina spinel material2O3Is not less than 65 percent by mass, MgO is not less than 15 percent by mass, and SiO2Is not more than 15 percent by mass, Fe2O3The mass percentage content of (A) is not more than 3.5%; the granularity of the fused corundum is 0.045-5 mm, and Al in the fused corundum2O3The mass percentage content of (A) is not less than 94%; the granularity of the calcium carbonate is less than or equal to 0.005mm, and CaCO in the calcium carbonate3The mass percentage content of (A) is not less than 98%; the granularity of the titanium dioxide is less than or equal to 0.004mm, and TiO in the titanium dioxide2The mass percentage of (A) is not less than 98%.
Example 2
The medium-frequency induction furnace ramming material based on magnesium aluminate spinel reclaimed materials comprises the following components in parts by weight:
wherein Al in the recycled magnesia-alumina spinel material2O3Is not less than 65 percent by mass, MgO is not less than 15 percent by mass, and SiO2Is not more than 15 percent by mass, Fe2O3The mass percentage content of (A) is not more than 3.5%; the granularity of the fused corundum is 0.045-5 mm, and Al in the fused corundum2O3The mass percentage content of (A) is not less than 94%; the granularity of the calcium carbonate is less than or equal to 0.005mm, and CaCO in the calcium carbonate3The mass percentage content of (A) is not less than 98%; the granularity of the titanium dioxide is less than or equal to 0.004mm, and TiO in the titanium dioxide2The mass percentage of (A) is not less than 98%.
Example 3
The medium-frequency induction furnace ramming material based on magnesium aluminate spinel reclaimed materials comprises the following components in parts by weight:
wherein Al in the recycled magnesia-alumina spinel material2O3Is not less than 65 percent by mass, MgO is not less than 15 percent by mass, and SiO2Is not more than 15 percent by mass, Fe2O3The mass percentage content of (A) is not more than 3.5%; the granularity of the fused corundum is 0.045-5 mm, and Al in the fused corundum2O3The mass percentage content of (A) is not less than 94%; the granularity of the calcium carbonate is less than or equal to 0.005mm, and CaCO in the calcium carbonate3The mass percentage content of (A) is not less than 98%; the granularity of the titanium dioxide is less than or equal to 0.004mm, and TiO in the titanium dioxide2The mass percentage of (A) is not less than 98%.
Example 4
The medium-frequency induction furnace ramming material based on magnesium aluminate spinel reclaimed materials comprises the following components in parts by weight:
wherein Al in the recycled magnesia-alumina spinel material2O3Is not less than 65 percent by mass, MgO is not less than 15 percent by mass, and SiO2Is not more than 15 percent by mass, Fe2O3The mass percentage content of (A) is not more than 3.5%; the granularity of the fused corundum is 0.045-5 mm, and Al in the fused corundum2O3The mass percentage content of (A) is not less than 94%; the granularity of the calcium carbonate is less than or equal to 0.005mm, and CaCO in the calcium carbonate3The mass percentage content of (A) is not less than 98%; the granularity of the titanium dioxide is less than or equal to 0.004mm, and TiO in the titanium dioxide2The mass percentage of (A) is not less than 98%.
Example 5
The medium-frequency induction furnace ramming material based on magnesium aluminate spinel reclaimed materials comprises the following components in parts by weight:
wherein Al in the recycled magnesia-alumina spinel material2O3Is not less than 65 percent by mass, MgO is not less than 15 percent by mass, and SiO2Is not more than 15 percent by mass, Fe2O3The mass percentage content of (A) is not more than 3.5%; the granularity of the fused corundum is 0.045-5 mm, and Al in the fused corundum2O3The mass percentage content of (A) is not less than 94%; the granularity of the calcium carbonate is less than or equal to 0.005mm, and CaCO in the calcium carbonate3The mass percentage content of (A) is not less than 98%; the granularity of the titanium dioxide is less than or equal to 0.004mm, and TiO in the titanium dioxide2Mass ofThe percentage content is not less than 98%.
The properties of the ramming mass of the medium frequency induction furnace prepared in the above examples 1-5 based on recycled magnesia alumina spinel are as follows:
according to the performance indexes, the ramming material of the medium-frequency induction furnace based on the recycled magnesia-alumina spinel has good performance.
The invention takes the magnesia-alumina spinel reclaimed material as the main raw material, achieves the purpose of resource utilization of solid waste, saves energy, protects environment and reduces cost; the volume change of the ramming mass sintering at high temperature is inhibited through the volume expansion accompanying the process of forming calcium hexaluminate by calcium carbonate and alumina micropowder at high temperature; titanium dioxide is introduced into the matrix to form calcium titanate at high temperature, so that the contact tightness among calcium hexaluminate crystal particles is improved, and the strength is increased. In addition, the titanium dioxide can improve the sintering performance of the magnesium aluminate spinel reclaimed material and improve the compactness of the material.
The above description is illustrative and not restrictive. Many modifications and variations of the present invention will be apparent to those skilled in the art in light of the above teachings, which will fall within the spirit and scope of the invention.
Claims (10)
1. The medium-frequency induction furnace ramming mass based on magnesium aluminate spinel reclaimed materials is characterized by comprising the following components in parts by weight:
2. the medium-frequency induction furnace ramming mass based on the recycled magnesia-alumina spinel material of claim 1, wherein the grain size of the recycled magnesia-alumina spinel material is 0.088-5 mm.
3. The medium frequency induction furnace ramming mass based on the magnesia-alumina spinel reclaimed material according to claim 2, wherein the magnesia-alumina spinel reclaimed material comprises two specifications of 0.088-3 mm and 3-5 mm in particle size, and the weight parts of the two specifications are as follows:
35-40 parts of recycled magnesia alumina spinel with the particle size of 0.088-3 mm
25-35 parts of 3-4 mm magnesium aluminate spinel reclaimed material.
4. The ramming mass for the medium-frequency induction furnace based on the recycled magnesia-alumina spinel brick material of any one of claims 1 to 3, wherein Al in the recycled magnesia-alumina spinel brick material is Al2O3Is not less than 65 percent by mass, MgO is not less than 15 percent by mass, and SiO2Is not more than 15 percent by mass, Fe2O3The mass percentage content of (A) is not more than 3.5%.
5. The medium-frequency induction furnace ramming mass based on the magnesia-alumina spinel reclaimed material according to claim 1, wherein the particle size of the electro-fused corundum is 0.045-5 mm.
6. The ramming mass for the medium-frequency induction furnace based on the recycled magnesia-alumina spinel brick material according to claim 1 or 5, wherein Al in the electro-fused corundum is2O3The mass percentage of (A) is not less than 94%.
7. The medium frequency induction furnace ramming mass based on magnesium aluminate spinel reclaimed materials according to claim 1, wherein the particle size of the calcium carbonate is less than or equal to 0.005 mm.
8. The ramming mass of the medium-frequency induction furnace based on the recycled magnesia-alumina spinel material of claim 1 or 7, wherein CaCO is calcium carbonate3The mass percentage of (A) is not less than 98%.
9. The medium frequency induction furnace ramming mass based on magnesium aluminate spinel reclaimed materials according to claim 1, wherein the particle size of the titanium dioxide is less than or equal to 0.004 mm.
10. The ramming mass for medium-frequency induction furnaces based on magnesia-alumina spinel reclaimed materials according to claim 1 or 9, characterized in that the TiO in titanium dioxide is TiO2The mass percentage of (A) is not less than 98%.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114180954A (en) * | 2022-02-15 | 2022-03-15 | 北京利尔高温材料股份有限公司 | Environment-friendly low-carbon aluminum-magnesium spinel brick and preparation method thereof |
| CN114394820A (en) * | 2021-12-29 | 2022-04-26 | 北京金隅通达耐火技术有限公司 | Magnesia-alumina spinel sintered by waste magnesia-alumina brick powder and preparation method thereof |
| WO2024094936A1 (en) | 2022-11-02 | 2024-05-10 | Saint-Gobain Centre De Recherches Et D'etudes Europeen | Refractory covering particle composition |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4222782A (en) * | 1979-09-04 | 1980-09-16 | Norton Company | Refractory ramming mix containing aluminum powder for metal melting furnaces |
| CN101654371A (en) * | 2009-09-18 | 2010-02-24 | 中国地质大学（北京） | Magnesium aluminum spinel-corundum-Sialon complex phase high-temperature resistant material and preparation method thereof |
| CN102627463A (en) * | 2012-04-09 | 2012-08-08 | 宜兴市诺明高温耐火材料有限公司 | Aluminum-spinel-corundum composite refractory material and preparation method as well as application thereof |
| CN103508740A (en) * | 2012-06-29 | 2014-01-15 | 上海梅山钢铁股份有限公司 | Ramming mass for repairing gap bridge magnesia-alumina spinel bricks of sleeve lime kiln |
| CN104211415A (en) * | 2014-09-02 | 2014-12-17 | 青岛永通电梯工程有限公司 | Corundum-magnesium aluminate spinel refractory material |
| CN104446527A (en) * | 2014-10-27 | 2015-03-25 | 朱小英 | Permanent lining ramming material for steel ladle |
| CN104909771A (en) * | 2015-06-03 | 2015-09-16 | 武汉科技大学 | Calcium aluminate cement-combined corundum castable and preparation method thereof |
| CN104909774A (en) * | 2015-06-03 | 2015-09-16 | 武汉科技大学 | Calcium-aluminate-cement-bound aluminum magnesium castable and preparation method thereof |
| CN106187222A (en) * | 2016-06-29 | 2016-12-07 | 浙江康星新材料科技股份有限公司 | A kind of method that high strength sound insulating fire brick prepared by full reclaimed materials |
| CN109265149A (en) * | 2018-10-11 | 2019-01-25 | 海城利尔麦格西塔材料有限公司 | A kind of resistance to flaking magnesium aluminum spinel pouring material |
| CN109748577A (en) * | 2019-03-29 | 2019-05-14 | 襄阳聚力新材料科技有限公司 | A kind of intermediate frequency furnace ramming mass and preparation method thereof |
| CN110282991A (en) * | 2019-08-13 | 2019-09-27 | 瑞泰马钢新材料科技有限公司 | A kind of waste and old magnesium aluminate spinel is that raw material prepares the magnesia coating of tundish and method |
-
2020
- 2020-08-21 CN CN202010847367.2A patent/CN111995409B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4222782A (en) * | 1979-09-04 | 1980-09-16 | Norton Company | Refractory ramming mix containing aluminum powder for metal melting furnaces |
| CN101654371A (en) * | 2009-09-18 | 2010-02-24 | 中国地质大学（北京） | Magnesium aluminum spinel-corundum-Sialon complex phase high-temperature resistant material and preparation method thereof |
| CN102627463A (en) * | 2012-04-09 | 2012-08-08 | 宜兴市诺明高温耐火材料有限公司 | Aluminum-spinel-corundum composite refractory material and preparation method as well as application thereof |
| CN103508740A (en) * | 2012-06-29 | 2014-01-15 | 上海梅山钢铁股份有限公司 | Ramming mass for repairing gap bridge magnesia-alumina spinel bricks of sleeve lime kiln |
| CN104211415A (en) * | 2014-09-02 | 2014-12-17 | 青岛永通电梯工程有限公司 | Corundum-magnesium aluminate spinel refractory material |
| CN104446527A (en) * | 2014-10-27 | 2015-03-25 | 朱小英 | Permanent lining ramming material for steel ladle |
| CN104909771A (en) * | 2015-06-03 | 2015-09-16 | 武汉科技大学 | Calcium aluminate cement-combined corundum castable and preparation method thereof |
| CN104909774A (en) * | 2015-06-03 | 2015-09-16 | 武汉科技大学 | Calcium-aluminate-cement-bound aluminum magnesium castable and preparation method thereof |
| CN106187222A (en) * | 2016-06-29 | 2016-12-07 | 浙江康星新材料科技股份有限公司 | A kind of method that high strength sound insulating fire brick prepared by full reclaimed materials |
| CN109265149A (en) * | 2018-10-11 | 2019-01-25 | 海城利尔麦格西塔材料有限公司 | A kind of resistance to flaking magnesium aluminum spinel pouring material |
| CN109748577A (en) * | 2019-03-29 | 2019-05-14 | 襄阳聚力新材料科技有限公司 | A kind of intermediate frequency furnace ramming mass and preparation method thereof |
| CN110282991A (en) * | 2019-08-13 | 2019-09-27 | 瑞泰马钢新材料科技有限公司 | A kind of waste and old magnesium aluminate spinel is that raw material prepares the magnesia coating of tundish and method |
Non-Patent Citations (5)
| Title |
|---|
| 丁双双: ""感应炉用铝镁质干式捣打料研究"", 《中国优秀硕士学位论文 工程科技Ⅰ辑》 * |
| 刘艳改等: ""六铝酸钙/镁铝尖晶石复相材料的制备及性能"", 《硅酸盐学报》 * |
| 张朝晖等: "《冶金资源综合利用》", 30 June 2011, 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 * |
| 高云琴等: ""硼酸加入量对铝镁质干式捣打料性能的影响"", 《铸造》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114394820A (en) * | 2021-12-29 | 2022-04-26 | 北京金隅通达耐火技术有限公司 | Magnesia-alumina spinel sintered by waste magnesia-alumina brick powder and preparation method thereof |
| CN114180954A (en) * | 2022-02-15 | 2022-03-15 | 北京利尔高温材料股份有限公司 | Environment-friendly low-carbon aluminum-magnesium spinel brick and preparation method thereof |
| WO2024094936A1 (en) | 2022-11-02 | 2024-05-10 | Saint-Gobain Centre De Recherches Et D'etudes Europeen | Refractory covering particle composition |
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