CN104944990B - 一种浇注料 - Google Patents
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- CN104944990B CN104944990B CN201510380582.5A CN201510380582A CN104944990B CN 104944990 B CN104944990 B CN 104944990B CN 201510380582 A CN201510380582 A CN 201510380582A CN 104944990 B CN104944990 B CN 104944990B
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- 239000000463 material Substances 0.000 title abstract description 12
- 238000005266 casting Methods 0.000 title abstract description 8
- SMYKVLBUSSNXMV-UHFFFAOYSA-J aluminum;tetrahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[Al+3] SMYKVLBUSSNXMV-UHFFFAOYSA-J 0.000 claims abstract description 27
- 239000000843 powder Substances 0.000 claims abstract description 25
- 239000004568 cement Substances 0.000 claims abstract description 13
- OYPRJOBELJOOCE-UHFFFAOYSA-N calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 9
- 239000011575 calcium Substances 0.000 claims abstract description 9
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 8
- WNROFYMDJYEPJX-UHFFFAOYSA-K Aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims abstract description 5
- YBMRDBCBODYGJE-UHFFFAOYSA-N Germanium dioxide Chemical compound O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 claims abstract description 5
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052797 bismuth Inorganic materials 0.000 claims abstract description 5
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 5
- 239000010431 corundum Substances 0.000 claims abstract description 5
- 239000002131 composite material Substances 0.000 claims abstract description 3
- -1 modified magnesium calcium Chemical class 0.000 claims abstract description 3
- ZLNQQNXFFQJAID-UHFFFAOYSA-L Magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 7
- 235000014380 magnesium carbonate Nutrition 0.000 claims description 7
- 239000011776 magnesium carbonate Substances 0.000 claims description 7
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 6
- 150000001669 calcium Chemical class 0.000 claims description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N AI2O3 Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- UFGZSIPAQKLCGR-UHFFFAOYSA-N Chromium carbide Chemical compound [Cr]#C[Cr]C#[Cr] UFGZSIPAQKLCGR-UHFFFAOYSA-N 0.000 claims description 4
- 235000012054 meals Nutrition 0.000 claims description 4
- 229910003470 tongbaite Inorganic materials 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000007598 dipping method Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims description 2
- 238000005245 sintering Methods 0.000 claims description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N zirconium Chemical group [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- XJUNLJFOHNHSAR-UHFFFAOYSA-J zirconium(4+);dicarbonate Chemical compound [Zr+4].[O-]C([O-])=O.[O-]C([O-])=O XJUNLJFOHNHSAR-UHFFFAOYSA-J 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 16
- 239000010959 steel Substances 0.000 abstract description 16
- 239000002893 slag Substances 0.000 abstract description 11
- 230000035939 shock Effects 0.000 abstract description 3
- 230000002035 prolonged Effects 0.000 abstract 2
- 229910001208 Crucible steel Inorganic materials 0.000 abstract 1
- 229910052804 chromium Inorganic materials 0.000 abstract 1
- 239000011651 chromium Substances 0.000 abstract 1
- 239000004927 clay Substances 0.000 abstract 1
- 229910052570 clay Inorganic materials 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 abstract 1
- 239000004576 sand Substances 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 229910052681 coesite Inorganic materials 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- 230000003628 erosive Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 229910052904 quartz Inorganic materials 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/77—Density
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
Abstract
本发明涉及一种浇注料，具体的说是一种钢包内衬或工作层用浇注料。包括如下重量份数的组分，本发明所要解决的技术问题是提供一种浇注料，使用部位为钢包与钢水接触的直接内衬，其中各组分重量百分比为：亚白刚玉12—8mm为8～20％、烧结微孔铝尖晶石8—5mm为l1～15％、烧结微孔铝尖晶石5—3mm为12～15％，烧结微孔铝尖晶石3一lmm为10～15％、烧结微孔铝尖晶石≤1mm为30～35％，改性镁钙砂≤1mm0～5%，二碳化三铬粉1%，复合凝胶粉3～5%，水合氧化铝微粉1%，珍珠陶土粉1%，锗酸铋粉0.5%，改性纯铝酸钙水泥 3～5％，外加C7H10N2O2S0.1%，C21H14Na2O6S20.1%，2‑吗啉乙磺酸0.05%。本发明可以降低钢包内衬材料与熔渣的反应程度，提高其抗渣性能钢包产品的高温性能、抗渣侵蚀性能，大幅增加了钢包的抗热震性能，有效提高了整体浇注钢包的使用寿命，比常规同类型的钢包寿命提高30%以上。
Description
技术领域
本发明涉及一种耐火材料，具体的说是一种使用在钢包工作层的耐火浇注料。
背景技术
钢包中和钢水直接接触的耐火材料称为钢包工作层。现有技术中钢包工作层一般采用尖晶石浇注料，但目前钢包内衬的各项性能一般，因此，直接影响了钢包的使用寿命，如何提高钢包的使用寿命，改善钢包工作层的性能最为关键，因此钢包内衬浇注料的性能改进成为延长钢包使用寿命的关键。
发明内容
为了解决上述技术问题，本发明提供一种浇注料，可以降低钢包内衬材料与熔渣的反应程度，提高其抗渣性能钢包产品的高温性能、抗渣侵蚀性能，大幅增加了钢包的抗热震性能，总体上提高了钢包的综合性能，最终钢包的使用寿命大幅增加。
本发明所要解决的技术问题是提供一种浇注料，使用部位为钢包与钢水接触的直接内衬，其中各组分重量百分比为：亚白刚玉12—8mm为8～20％、烧结微孔铝尖晶石8—5mm为l1～15％、烧结微孔铝尖晶石5—3mm为12～15％，烧结微孔铝尖晶石3一lmm为10～15％、烧结微孔铝尖晶石≤1mm为30～35％，改性镁钙砂≤1mm0～5%，二碳化三铬粉1%，复合凝胶粉3～5%，水合氧化铝微粉1%，珍珠陶土粉1%，锗酸铋粉0.5%，改性纯铝酸钙水泥 3～5％，外加C7H10N2O2S0.1%，C21H14Na2O6S20.1%，2-吗啉乙磺酸0.05%。
所述的复合凝胶粉为锆凝胶粉和铝凝胶粉的复合粉，其重量比为1:2。
所述改性镁钙砂是指镁钙砂用H2C2O4进行浸渍和碳酸化处理，使镁钙砂表面形成抗水化的包覆膜。
所述烧结微孔铝尖晶石为氧化铝含量≥78％，闭口微孔的孔径≤5微米，闭口微孔占总气孔的80%以上。
所述珍珠陶土的铝含量≥30%。
所述改性纯铝酸钙水泥为水泥生产过程中加入了5%的铝尖晶石，3%碳酸锆再经高温烧结制造出来的特性水泥，改性铝酸钙水泥的铝含量≥75%。
本发明的有益效果是：
本发明可以降低钢包内衬材料与熔渣的反应程度，提高其抗渣性能钢包产品的高温性能、抗渣侵蚀性能，大幅增加了钢包的抗热震性能，有效提高了整体浇注钢包的使用寿命，比常规同类型的钢包寿命提高30%以上。
具体实施方式
实施例1：
一种浇注料，使用部位为钢包与钢水接触的直接内衬，其中各组分重量百分比为：各组分重量百分比为：亚白刚玉12—8mm为15％、烧结微孔铝尖晶石8—5mm为14％、烧结微孔铝尖晶石5—3mm为15％，烧结微孔铝尖晶石3一lmm为13％、烧结微孔铝尖晶石≤1mm为30％，二碳化三铬粉1%，复合凝胶粉5%，水合氧化铝微粉1%，珍珠陶土粉1%，锗酸铋粉0.5%，改性纯铝酸钙水泥 4.5％，外加C7H10N2O2S0.1%，C21H14Na2O6S20.1%，2-吗啉乙磺酸0.05%。将上述 配料混合均匀即得钢包浇注料。
以实施例1的一种浇注料配方进行实验测试：外加占上述配方比例重量5wt%的水，测试性能指标如下：体积密度为2.9/cm3； 1600℃×3h烧后抗折强度为18.5MPa；1600℃×3h烧后耐压强度为78.2MPa；1100℃水冷10次后抗折强度保持率为40.12%；1500℃回转坩埚法抗渣实验侵蚀指数15.2%；渗透指数25.2%。实验使用的钢渣的碱度CaO/SiO2=2.03。比常规同类型的钢包寿命提高30%以上。
实施例2：
一种浇注料，其中各组分重量百分比为：各组分重量百分比为：亚白刚玉12—8mm为14％、烧结微孔铝尖晶石8—5mm为15％、烧结微孔铝尖晶石5—3mm为15％，烧结微孔铝尖晶石3一lmm为12％、烧结微孔铝尖晶石≤1mm为30％，改性镁钙砂≤1mm为2%，二碳化三铬粉1%，复合凝胶粉5%，水合氧化铝微粉1%，珍珠陶土粉1%，锗酸铋粉0.5%，改性纯铝酸钙水泥 3.5％，外加C7H10N2O2S0.1%，C21H14Na2O6S20.1%，2-吗啉乙磺酸0.05%。将上述 配料混合均匀即得钢包浇注料。
以实施例2的浇注料配方进行实验测试：外加占上述配方比例重量6wt%的水，测试性能指标如下：体积密度为2.9/cm3； 1600℃×3h烧后抗折强度为17.56MPa；1600℃×3h烧后耐压强度为70.8MPa；1100℃水冷10次后抗折强度保持率为54%；1500℃回转坩埚法抗渣实验侵蚀指数13%；渗透指数20%。实验使用的钢渣的碱度CaO/SiO2=2.03。比常规同类型的钢包寿命提高34%以上。
Claims (2)
1.一种浇注料，其特征在于各组分重量百分比为：亚白刚玉12—8mm为14％、烧结微孔铝尖晶石8—5mm为15％、烧结微孔铝尖晶石5—3mm为15％，烧结微孔铝尖晶石3一lmm为12％、烧结微孔铝尖晶石≤1mm为30％，改性镁钙砂≤1mm为2%，二碳化三铬粉1%，复合凝胶粉5%，水合氧化铝微粉1%，珍珠陶土粉1%，锗酸铋粉0.5%，改性纯铝酸钙水泥 3.5％，外加C7H10N2O2S0.1%，C21H14Na2O6S20.1%，2-吗啉乙磺酸0.05%；所述的复合凝胶粉为锆凝胶粉和铝凝胶粉的复合粉，其重量比为1:2；所述烧结微孔铝尖晶石为氧化铝含量≥78％，闭口微孔的孔径≤5微米，闭口微孔占总气孔的80%以上；所述改性镁钙砂是指镁钙砂用H2C2O4进行浸渍和碳酸化处理，使镁钙砂表面形成抗水化的包覆膜；所述改性纯铝酸钙水泥为水泥生产过程中加入了5%的铝尖晶石，3%碳酸锆再经高温烧结制造出来的特性水泥，改性铝酸钙水泥的铝含量≥75%。
2.如权利要求1所述的一种浇注料，其特征在于所述珍珠陶土的铝含量≥30%。
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| CN201610732059.9A CN106220206A (zh) | 2015-07-02 | 2015-07-02 | 一种浇注料 |
| CN201510380582.5A CN104944990B (zh) | 2015-07-02 | 2015-07-02 | 一种浇注料 |
| CN201610732056.5A CN106365647A (zh) | 2015-07-02 | 2015-07-02 | 一种浇注料 |
| CN201610732047.6A CN106365646A (zh) | 2015-07-02 | 2015-07-02 | 一种浇注料 |
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| CN104909782A (zh) * | 2015-07-02 | 2015-09-16 | 张婷 | 一种铁水包浇注料 |
| CN109020569A (zh) * | 2018-08-23 | 2018-12-18 | 安徽瑞泰新材料科技有限公司 | 一种高硬度浇注料 |
| CN108863417B (zh) * | 2018-08-23 | 2021-06-08 | 安徽瑞泰新材料科技有限公司 | 一种耐磨耐火浇注料 |
| CN111362674B (zh) * | 2020-03-19 | 2022-05-13 | 上海彭浦特种耐火材料厂有限公司 | 一种耐酸刚玉捣打料以及用其制作酸再生炉烧嘴的方法 |
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| CN101544505A (zh) * | 2009-03-20 | 2009-09-30 | 高树森 | 纳米Al2O3、MgO复合陶瓷结合尖晶石-镁质耐火浇注料及其制备方法 |
| CN101891485A (zh) * | 2009-05-21 | 2010-11-24 | 宝山钢铁股份有限公司 | 一种用于钢包的浇注料 |
| CN102584295B (zh) * | 2012-02-29 | 2013-06-05 | 浙江锦诚耐火材料有限公司 | 一种喷煤管专用浇注料 |
| CN103553667A (zh) * | 2013-10-25 | 2014-02-05 | 宁夏天纵泓光余热发电技术有限公司 | 喷煤管专用浇注料 |
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| CN106365646A (zh) | 2017-02-01 |
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| CN104944990A (zh) | 2015-09-30 |
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