CN104609872B - Modified refractory material of a kind of titanium calcium aluminate-alumine and its preparation method and application - Google Patents
Modified refractory material of a kind of titanium calcium aluminate-alumine and its preparation method and application Download PDFInfo
- Publication number
- CN104609872B CN104609872B CN201510013589.3A CN201510013589A CN104609872B CN 104609872 B CN104609872 B CN 104609872B CN 201510013589 A CN201510013589 A CN 201510013589A CN 104609872 B CN104609872 B CN 104609872B
- Authority
- CN
- China
- Prior art keywords
- calcium aluminate
- titanium calcium
- alumine
- powder
- titanium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention discloses modified refractory material of a kind of titanium calcium aluminate-alumine and its preparation method and application, belong to fire resisting material field. Does is its technical scheme: the alumine of 25wt%～40wt%, the titanium calcium aluminate of 25wt%～40wt%, the common pulverizing of 30wt%～35wt% and additional account for raw material gross mass? the phenolic resin binder of 3wt%～6wt%, wherein said common pulverizing is by titanium calcium aluminate fine powder, α-Al2O3Micropowder, graphite powder, carbide fine powder, metallic aluminium powder and hard pitch powder mix homogeneously prepare; Wherein said titanium calcium aluminate composition proportion is: Al2O376.21%、TiO210.6%、CaO10.16%、Fe2O30.6%、MgO1.82%、SiO20.62%. The introduced titanium calcium aluminate of the present invention, as the industrial residue of steel-making, is effectively recycled, is significantly reduced manufacturing cost; Titanium calcium aluminate is the solid solution of calcium hexaluminate, Calcium dialuminate, aluminium titanates, calcium titanate and Rutile Type, makes refractory material have good thermal shock resistance, heat-proof quality.
Description
Technical field
The invention belongs to fire resisting material field, particularly relate to modified refractory material of a kind of titanium calcium aluminate-alumine and its preparation method and application.
Background technology
Along with the development of quick, high efficiency continuous casting and Secondary Refining Technology and technique, slide gate nozzle system becomes more and more important in modern steel smelting process, becomes indispensable part in smelting. It is the control device of molten steel in conticaster casting cycle, it is possible to accurately regulate the discharge from ladle to continuous casting production, makes the molten steel flowed in and out reach balance, so that continuous casting operation is easier to control. Slide gate nozzle system is good because of its controllability, can improve STEELMAKING PRODUCTION efficiency and obtain and develop rapidly.
Slide gate nozzle system is made up of driving device, mechanical part and refractory portion (namely going up lower skateboard, lower nozzle brick), when lower nozzle brick in this system is on active service, exist by the formed thermal stress of thermograde between its surfaces externally and internally, when thermal stress exceedes the limit stress value of lower nozzle brick, lower nozzle brick generation brittle fracture; Additionally lower nozzle brick is constantly in hot environment in-service so that lower nozzle brick easily becomes loose porous, decrease in strength because of oxidation, during casting molten steel wash away and erosion make damage aggravation, thus affecting its stability in use and safety. The lower nozzle brick that Most current refractory material producer produces is many based on corundum, Al_2O_3-C based, and wherein the lower nozzle brick of corundum has a good serviceability, but high cost; Al_2O_3-C based lower nozzle brick advantage of lower cost, not resistant to corrosion, the life-span is low, serviceability fluctuation is relatively big, have impact on the safety in production of iron and steel enterprise.
Summary of the invention
In order to overcome the defect of prior art, it is an object of the invention to provide the modified refractory material of a kind of titanium calcium aluminate-alumine, improve serviceability, reduce production cost.
The preparation method that it is a further object of the present invention to provide this refractory material.
It is a further object of the present invention to provide the application of this refractory material.
The purpose of the present invention can be achieved through the following technical solutions:
The modified refractory material of a kind of titanium calcium aluminate-alumine, its proportioning raw materials is: 25wt%～40wt%(" % " represents mass percent, with raw material gross mass for benchmark, lower with) alumine, the titanium calcium aluminate of 25wt%～40wt%, the common pulverizing of 30wt%～35wt% and the additional phenolic resin binder accounting for raw material gross mass 3wt%～6wt%, wherein said common pulverizing is by titanium calcium aluminate fine powder, α-Al2O3Micropowder, graphite powder, carbide fine powder, metallic aluminium powder and hard pitch powder mix homogeneously prepare; Wherein said titanium calcium aluminate composition proportion is: Al2O376.21%、TiO210.6%、CaO10.16%、Fe2O30.6%、MgO1.82%、SiO20.62%(is with the quality of titanium calcium aluminate for benchmark).
Preferably, described common pulverizing composition proportion is as follows:
| Title | Proportioning |
| Titanium calcium aluminate fine powder | 15 wt% |
| α-Al2O3Micropowder | 8 wt% 1 --> |
| 95SiC fine powder | 5 wt% |
| Metallic aluminium powder | 4 wt% |
| 95 graphite powders | 2 wt% |
| High temperature pitch prill powder | 1 wt% |
Preferably, described alumine grain size distribution is as follows:
| Granularity | Proportioning |
| 5～3mm | 5wt% |
| 3～1mm | 15 wt %～20 wt % |
| 1～0mm | 5 wt %～15 wt % |
Preferably, described titanium calcium aluminate grain size distribution is as follows:
| Granularity | Proportioning |
| 5～3mm | 5wt% |
| 3～1mm | 10 wt %～15 wt % |
| 1～0mm | 10 wt %～20 wt % |
The preparation method of the modified refractory material of described titanium calcium aluminate-alumine, specifically carries out according to the following steps:
1) preparation pulverizing altogether: according to mentioned component proportioning by titanium calcium aluminate fine powder, α-Al2O3Micropowder, graphite powder, carbide fine powder, metallic aluminium powder and hard pitch powder mix homogeneously, make common pulverizing;
2) dispensing: carry out dispensing by above-mentioned alumine grain size distribution, titanium calcium aluminate grain size distribution;
3) batch mixing: titanium calcium aluminate and alumine granule are dry mixed 2～3 minutes by above-mentioned raw materials proportioning edge runner-wet mill, are then slowly added into 3wt%～6wt% phenolic resin binder, is eventually adding the common pulverizing of above-mentioned raw materials proportioning, discharging after mixing 20～30 minutes;
4) molding: by compound on 630t electric screw brick press compressing;
5) heat treatment: select dry kiln, need heat treatment more than 48 hours, wherein enter kilneye temperature 50 C, baking time more than 8 hours, 110 DEG C of baking times more than 12 hours, 200～250 DEG C of baking times more than 12 hours, 250～350 DEG C of baking times more than 16 hours;
6) kiln discharge selection: select qualified products.
Described titanium calcium aluminate-alumine modifiies refractory material application in preparing collector nozzle of ladle brick.
The introduced titanium calcium aluminate of the present invention, as the industrial residue of steel-making, is effectively recycled, is significantly reduced manufacturing cost; Titanium calcium aluminate is the solid solution of calcium hexaluminate, Calcium dialuminate, aluminium titanates, calcium titanate and Rutile Type, wherein thing phase calcium hexaluminate and Calcium dialuminate have higher fusing point, relatively low thermal coefficient of expansion, refractory material is made to obtain good thermal shock resistance, in addition calcium hexaluminate has en plaque crystal structure, it is possible to improve the heat-proof quality of refractory material; Aluminium titanates, calcium titanate have high-melting-point, low-expansion coefficient equally, and refractoriness is high and good thermal shock; In applied at elevated temperature process, there is chemical reaction between rutile and other things phase, generate dystectic material, further enhance fire resistance.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further described.
Fig. 1 is the modified refractory material preparation technology flow chart of titanium calcium aluminate-alumine.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment 1 weighs raw material according to the formula of table 1.
As it is shown in figure 1, the preparation method of the modified refractory material of described titanium calcium aluminate-alumine, specifically carry out according to the following steps:
1) preparation pulverizing altogether: according to 15wt% by titanium calcium aluminate fine powder, 8wt% α-Al2O3Micropowder, 5wt% graphite powder, 4wt% carbide fine powder, 2wt% metallic aluminium powder and 1wt% hard pitch powder mix homogeneously prepare, and make common pulverizing;
2) dispensing: by 5～3mm alumine 5wt%, 3～1mm alumine 20wt%, 1～0mm alumine 15wt% dispensing, 5～3mm titanium calcium aluminate 5wt%, 3～1mm titanium calcium aluminate 15wt%, 1～0mm titanium calcium aluminate 10wt% dispensing;
3) batch mixing: be dry mixed 2～3 minutes by the alumine granule edge runner-wet mill of the titanium calcium aluminate of 40wt% and 30wt%, be then slowly added into 3～6% phenolic resin binders, is eventually adding the common pulverizing of 30wt%, discharging after mixing 20～30 minutes;
4) molding: by compound on 630t electric screw brick press compressing;
5) heat treatment: need heat treatment more than 48 hours, wherein enters kilneye temperature 50 C, baking time more than 8 hours, 110 DEG C of baking times more than 12 hours, 200～250 DEG C of baking times more than 12 hours, 250～350 DEG C of baking times more than 16 hours;
6) kiln discharge selection: select qualified products.
Embodiment 2 preparation method is with embodiment 1, and the formula shown in table 1 prepares the modified refractory material of titanium calcium aluminate-alumine.
Embodiment 3 preparation method is with embodiment 1, and the formula shown in table 1 prepares the modified refractory material of titanium calcium aluminate-alumine.
Embodiment 4 preparation method is with embodiment 1, and the formula shown in table 1 prepares the modified refractory material of titanium calcium aluminate-alumine.
Table 1
The modified refractory material of titanium calcium aluminate-alumine that will obtain in above-described embodiment, is used for preparing collector nozzle of ladle brick. The physicochemical property of the collector nozzle of ladle brick of the present invention and existing Al_2O_3-C based collector nozzle of ladle brick and average life parameter comparison in Table 2.
Table 2
It is known that lower nozzle brick of the present invention is on probation on ladle from table 2, after off-test, lower nozzle brick and existing product having been carried out erosion, crackle etc. and analyzed, service life 3～4 times/set, blowhole is expanding: average erosion 4.5mm; Average erosion rate 1.3mm/ time. By analyzing with existing product measurement of comparison, the average erosion rate of lower nozzle brick of the present invention is≤1.3mm/ time, and far below the erosion rate >=1.8mm/ time of existing Al_2O_3-C based product, its corrosion-resistant property, applied at elevated temperature performance are above the performance of existing product.
Claims (5)
1. the modified refractory material of titanium calcium aluminate-alumine, it is characterized in that its proportioning raw materials is: the alumine of 25wt%～40wt%, the titanium calcium aluminate of 25wt%～40wt%, the common pulverizing of 30wt%～35wt% and the additional phenolic resin binder accounting for raw material gross mass 3wt%～6wt%, wherein said common pulverizing is by titanium calcium aluminate fine powder, α-Al2O3Micropowder, graphite powder, carbide fine powder, metallic aluminium powder and hard pitch powder mix homogeneously prepare; Wherein said titanium calcium aluminate composition proportion is: Al2O376.21%、TiO210.6%、CaO10.16%、Fe2O30.6%、MgO1.82%、SiO20.62%; Described common pulverizing composition proportion is as follows: 15wt% titanium calcium aluminate fine powder, 8wt% α-Al2O3Micropowder, 4wt%SiC fine powder, 2wt% metallic aluminium powder, 5wt% graphite powder, 1wt% high temperature pitch prill powder.
2. the modified refractory material of titanium calcium aluminate-alumine according to claim 1, it is characterised in that described alumine grain size distribution is as follows:
。
3. the modified refractory material of titanium calcium aluminate-alumine according to claim 1, it is characterised in that described titanium calcium aluminate grain size distribution is as follows:
。
4. the preparation method of the modified refractory material of titanium calcium aluminate-alumine according to any one of claims 1 to 3 item, specifically carries out according to the following steps:
1) preparation pulverizing altogether: according to 15wt% titanium calcium aluminate fine powder, 8wt% α-Al2O3Micropowder, 5wt% graphite powder, 4wt% carbide fine powder, 2wt% metallic aluminium powder and 1wt% hard pitch powder mix homogeneously prepare, and make common pulverizing;
2) dispensing: by 5～3mm alumine 5wt%, 3～1mm alumine 20wt%, 1～0mm alumine 15wt% dispensing, 5～3mm titanium calcium aluminate 5wt%, 3～1mm titanium calcium aluminate 15wt%, 1～0mm titanium calcium aluminate 10wt% dispensing;
3) batch mixing: the alumine granule edge runner-wet mill of the titanium calcium aluminate of 25wt%～40wt% and 25wt%～40wt% is dry mixed 2～3 minutes, it is then slowly added into 3～6% phenolic resin binders, it is eventually adding the common pulverizing of 30wt%～35wt%, discharging after mixing 20～30 minutes;
4) molding: by compound on 630t electric screw brick press compressing;
5) heat treatment: need heat treatment more than 48 hours, wherein enters kilneye temperature 50 C, baking time more than 8 hours, 110 DEG C of baking times more than 12 hours, 200～250 DEG C of baking times more than 12 hours, 250～350 DEG C of baking times more than 16 hours;
6) kiln discharge selection: select qualified products.
5. the modified refractory material application in preparing collector nozzle of ladle brick of titanium calcium aluminate-alumine according to any one of claims 1 to 3 item.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510013589.3A CN104609872B (en) | 2015-01-12 | 2015-01-12 | Modified refractory material of a kind of titanium calcium aluminate-alumine and its preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510013589.3A CN104609872B (en) | 2015-01-12 | 2015-01-12 | Modified refractory material of a kind of titanium calcium aluminate-alumine and its preparation method and application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104609872A CN104609872A (en) | 2015-05-13 |
| CN104609872B true CN104609872B (en) | 2016-06-15 |
Family
ID=53144565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510013589.3A Active CN104609872B (en) | 2015-01-12 | 2015-01-12 | Modified refractory material of a kind of titanium calcium aluminate-alumine and its preparation method and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104609872B (en) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105036774B (en) * | 2015-08-04 | 2017-03-29 | 武汉科技大学 | A kind of refining vanadium reflection inner lining of furnace titanium calcium aluminate prefabricated component and preparation method thereof |
| CN106001532B (en) * | 2016-05-16 | 2018-02-06 | 辽宁科技大学 | A kind of aluminum-titanate-based do not burn of corundum fused alumina zirconia does not soak sliding plate brick and preparation method thereof |
| CN106746772B (en) * | 2016-11-22 | 2021-06-25 | 上海宝钢工业技术服务有限公司 | Preparation method of calcium titanium aluminate hollow spheres produced by utilizing ferrotitanium slag |
| CN107244906A (en) * | 2017-06-15 | 2017-10-13 | 郑州瑞泰耐火科技有限公司 | Aluminium titanates calcium compound abrasive brick and preparation method thereof |
| CN107266052B (en) * | 2017-07-10 | 2020-03-24 | 武汉科技大学 | Alumina-titanium calcium aluminate-silicon carbide complex phase refractory material and preparation method thereof |
| CN107651968B (en) * | 2017-09-18 | 2020-12-22 | 北京利尔高温材料股份有限公司 | Chromium drainage sand for refined steel ladle and preparation method thereof |
| CN107673767B (en) * | 2017-09-29 | 2020-10-02 | 马鞍山利尔开元新材料有限公司 | Low-carbon aluminum sliding plate added with magnesium-calcium-aluminum sand and preparation method thereof |
| CN107954710B (en) * | 2017-11-29 | 2020-07-10 | 武汉科技大学 | Silicon carbide and calcium titanium aluminate combined complex-phase refractory material and preparation method thereof |
| CN108558417B (en) * | 2018-01-09 | 2021-02-19 | 武汉科技大学 | Calcium titanium aluminate heat-insulating refractory material and preparation method thereof |
| CN107986805A (en) * | 2018-01-22 | 2018-05-04 | 武汉科技大学 | A kind of light thermal-shield refractory material based on titanium calcium aluminate and preparation method thereof |
| CN108752018A (en) * | 2018-05-08 | 2018-11-06 | 武汉科技大学 | A kind of titanium calcium aluminate-aluminium titanates complex phase ceramic and preparation method thereof |
| CN108774054B (en) * | 2018-07-13 | 2020-09-18 | 郑州赛沃科技有限公司 | Blast furnace permanent ceramic tapping ladle and preparation method thereof |
| CN109180206A (en) * | 2018-10-26 | 2019-01-11 | 通达耐火技术股份有限公司 | A kind of preparation method of the compound anti-erosion abrasion-proof and refractory pouring material of titanium |
| CN109650913A (en) * | 2018-12-17 | 2019-04-19 | 武汉钢铁集团耐火材料有限责任公司 | The packet of ladle or iron packet continues to use titanium calcium aluminate castable and preparation method |
| CN110981448A (en) * | 2019-12-27 | 2020-04-10 | 中冶焦耐(大连)工程技术有限公司 | Preparation method of chromite roasting rotary kiln burning zone castable |
| CN111205098A (en) * | 2020-01-14 | 2020-05-29 | 辽宁欣立耐火材料科技集团有限公司 | High-aluminum ladle wall brick for steel ladle and preparation method thereof |
| CN111892409B (en) * | 2020-07-15 | 2022-03-15 | 武汉科技大学 | Calcium hexaluminate hollow whisker reinforced aluminum-calcium complex phase refractory material and preparation method thereof |
| CN111925222B (en) * | 2020-08-05 | 2022-09-06 | 辽宁科技大学 | Method for preparing refractory ball for hot blast furnace by using aluminum titanium slag |
| CN114315392B (en) * | 2022-01-17 | 2023-01-31 | 濮阳濮耐高温材料（集团）股份有限公司 | Fluid stirring purification jointed board preparation material and fluid stirring purification jointed board preparation process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1796331A (en) * | 2004-12-24 | 2006-07-05 | 濮阳濮耐高温材料有限公司 | Inner lining of furnace for treating liquid steel and repairing method |
| CN103922772A (en) * | 2014-04-22 | 2014-07-16 | 武汉科技大学 | Reproducible high-aluminum fireproof raw material utilizing ferrotitanium slag as main material and preparation method thereof |
| CN104163646A (en) * | 2014-08-06 | 2014-11-26 | 郑州东方窑业工程有限公司 | Method for manufacturing anti-erosion alumino-silicon-carbide brick for ferro-nickel rotary kiln |
| CN104165517A (en) * | 2014-08-06 | 2014-11-26 | 郑州东方窑业工程有限公司 | Ferronickel rotary kiln cylinder refractory lining designing method |
| CN104926325A (en) * | 2015-06-09 | 2015-09-23 | 武汉科技大学 | Ladle bottom castable and preparation method thereof |
-
2015
- 2015-01-12 CN CN201510013589.3A patent/CN104609872B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1796331A (en) * | 2004-12-24 | 2006-07-05 | 濮阳濮耐高温材料有限公司 | Inner lining of furnace for treating liquid steel and repairing method |
| CN103922772A (en) * | 2014-04-22 | 2014-07-16 | 武汉科技大学 | Reproducible high-aluminum fireproof raw material utilizing ferrotitanium slag as main material and preparation method thereof |
| CN104163646A (en) * | 2014-08-06 | 2014-11-26 | 郑州东方窑业工程有限公司 | Method for manufacturing anti-erosion alumino-silicon-carbide brick for ferro-nickel rotary kiln |
| CN104165517A (en) * | 2014-08-06 | 2014-11-26 | 郑州东方窑业工程有限公司 | Ferronickel rotary kiln cylinder refractory lining designing method |
| CN104926325A (en) * | 2015-06-09 | 2015-09-23 | 武汉科技大学 | Ladle bottom castable and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104609872A (en) | 2015-05-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104609872B (en) | Modified refractory material of a kind of titanium calcium aluminate-alumine and its preparation method and application | |
| CN103755361B (en) | A kind of Aluminum-chromium-sifireproof fireproof material | |
| CN102093065B (en) | Magnesia carbon brick taking composite magnesia as major raw material and preparation method thereof | |
| CN103449823B (en) | Anti-corrosive corundum wearable plastic refractory and preparation method thereof | |
| CN106631053A (en) | Refractory material for steel tapping hole of converter and preparation method for refractory material | |
| CN101503302B (en) | Carboneous fire-resistant material for furnace brick lining and preparation thereof | |
| CN104261848A (en) | Chrome-oxide-containing mullite brick and preparation method thereof | |
| CN105777159A (en) | Method for producing large-scale copper smelting furnace lining bricks by smelting chromium slag | |
| CN105819875A (en) | Refractory castable for Ausmelt copper smelting furnace flue and preparation method thereof | |
| CN108585797B (en) | Self-lubricating magnesium slag-stopping sliding plate brick added with boron nitride and preparation method thereof | |
| CN107739195A (en) | A kind of Ausmelt copper smelters regeneration alumina chrome brick and preparation method thereof | |
| CN113233908A (en) | Regenerated carbon-free brick and preparation method thereof | |
| CN104944979A (en) | Preparation method of firebrick used for rotary kiln | |
| CN108424155A (en) | It is a kind of to utilize lower nozzle brick and preparation method thereof made of slide plate grinding mud waste material | |
| CN104496504A (en) | Sialon-bonded magnesium aluminate spinel refractory material for rotary cement kiln and preparation method | |
| CN103449803B (en) | Quick-drying anti-explosion refractory castable | |
| CN104276829A (en) | Stemming for inhibiting splashing of iron notch | |
| CN110372406A (en) | A kind of converter slag-resisting Al2O3Outer nozzle brick of-C and preparation method thereof | |
| JP2013188789A (en) | Artificial sand and method for producing the same | |
| CN105218116B (en) | A kind of chromium-free brick and preparation method thereof | |
| JP6624133B2 (en) | Manufacturing method of magnesia-spinel fired brick | |
| CN105924196A (en) | Castable for copper outlet ditch of copper converter and preparing method thereof | |
| CN103044041A (en) | Alumina-magnesia brick for refined steel ladle wall | |
| CN103121849A (en) | Ferrosilicon-added slide plate refractory material and production method thereof | |
| CN107673767A (en) | A kind of low-carbon aluminum slide plate for adding magnesium calcium aloxite and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |