CN108752004A - 高温导热浇注料 - Google Patents

高温导热浇注料 Download PDF

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CN108752004A
CN108752004A CN201811048779.9A CN201811048779A CN108752004A CN 108752004 A CN108752004 A CN 108752004A CN 201811048779 A CN201811048779 A CN 201811048779A CN 108752004 A CN108752004 A CN 108752004A
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裴真西
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BEIJING DONGFENG XINGDA REFRACTORY MATERIAL Co Ltd
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Abstract

本发明公开高温超导浇注料,由如下组分组成:黑碳化硅骨料、碳化硅细粉、氧化铝微粉、金属铝粉、硅灰、铝酸盐水泥、防爆裂纤维以及巴斯夫F10。本发明的高温超导浇注料,耐火温度可达到1610℃,导热性能良好,采用本发明高温超导浇注料在余热锅炉膜式壁或锅炉管上或真空炉铝锌提炼坩埚衬里浇注30‑50mm保护层,高温超导浇注料可以与金属表面很好粘合,不易脱落;所形成的保护层既耐烟气、熔融锌铝腐蚀,又不影响余热锅炉膜式壁、锅炉管和金属坩埚的热传递,从而延长余热锅炉膜式壁及锅炉管和金属坩埚的使用寿命,金属坩埚使用寿命可从原来的1月提到1年;余热锅炉膜式壁及锅炉管使用寿命可从原来的1年提高到3年以上。

Description

高温导热浇注料
技术领域
[0001] 本发明涉及耐火材料技术领域。具体地说是高温超导浇注料。
背景技术
[0002] 在真空炉提炼铝锌过程中,因金属导热性能好,常使用金属坩埚盛放锌铝。而高温熔融状态的锌铝液与金属坩埚接触会形成合金渣,从而腐蚀金属坩埚,不仅增加了除杂的难度,还缩短金属坩埚的使用寿命,增加成本。此外,在响应国家节能、环保、减排的号召下,采用余热锅炉,处理和利用垃圾焚烧炉所产生的烟气余热,然而由于垃圾焚烧的烟气具有很强腐蚀性,造成余热锅炉膜式壁及金属锅炉管受酸性或碱性烟气侵蚀严重,表面氧化厉害氧化皮不断脱落,从而使余热锅炉膜式壁及锅炉管寿命减短,危及安全生产,且腐蚀后维修或者更换成本很高。因此寻找一种可以保护金属制品、防止腐蚀,又可以耐高温、且具有良好导热能力的浇注料成为人们研究的重点。
发明内容
[0003] 为此,本发明所要解决的技术问题在于提供一种耐腐蚀、耐火温度高、导热性能好的高温超导浇注料。
[0004] 为解决上述技术问题,本发明提供如下技术方案:
[0005] 高温超导浇注料,由如下组分组成:黑碳化硅骨料、碳化硅细粉、氧化铝微粉、金属铝粉、硅灰、铝酸盐水泥、防爆裂纤维以及巴斯夫F10。
[0006] 上述高温超导浇注料,所述黑碳化硅骨料中碳化硅的质量分数为98%;所述黑碳化娃骨料由粒度大于Omm且小于或等于Imm的黑碳化娃骨料、粒度大于Imm且小于或等于3mm的黑碳化娃骨料、粒度大于3mm且小于或等于5mm的黑碳化娃骨料、粒度大于5mm且小于或等于8mm的黑碳化娃骨料组成。
[0007] 上述高温超导饶注料,粒度大于Omm且小于或等于Imm的黑碳化娃骨料为9-13重量份、粒度大于Imm且小于或等于3mm的黑碳化娃骨料为18-22重量份、粒度大于3mm且小于或等于5mm的黑碳化娃骨料为13-17重量份、粒度大于5mm且小于或等于8mm的黑碳化娃骨料为22-26重量份。
[0008] 上述高温超导浇注料,所述碳化硅细粉的粒度为大于OMi且小于或等于75μπι,所述碳化硅细粉为18-22重量份。
[0009] 上述高温超导浇注料,所述氧化铝微粉的粒度为大于Ομπι且小于或等于1.2μπι的氧化铝微粉,所述氧化铝微粉为2.3-2.7重量份。
[0010] 上述高温超导饶注料,所述金属错粉的粒度为大于Ομπι且小于或等于96μηι的金属铝粉,所述金属铝粉为2.3-2.7重量份。
[0011] 上述高温超导浇注料,所述硅灰为埃肯95U硅灰,所述硅灰为2-4重量份;所述铝酸盐水泥为铝酸盐水泥CA-80,所述铝酸盐水泥为1-3重量份;所述防爆裂纤维为0.08-0.12重量份;所述防爆裂纤维的长度为4_5mm;所述巴斯夫FlO为0.1-0.3重量份。
[0012] 上述高温超导浇注料,所述黑碳化硅骨料中碳化硅的质量分数为98%;所述黑碳化娃骨料由粒度大于Omm且小于或等于Imm的黑碳化娃骨料、粒度大于Imm且小于或等于3mm的黑碳化娃骨料、粒度大于3mm且小于或等于5mm的黑碳化娃骨料、粒度大于5mm且小于或等于8mm的黑碳化娃骨料组成;粒度大于Omm且小于或等于Imm的黑碳化娃骨料为9-13重量份、粒度大于Imm且小于或等于3mm的黑碳化娃骨料为18-22重量份、粒度大于3mm且小于或等于5mm的黑碳化娃骨料为13-17重量份、粒度大于5mm且小于或等于8mm的黑碳化娃骨料为22-26重量份;所述碳化硅细粉的粒度为大于Ομπι且小于或等于75μπι,所述碳化硅细粉为18-22重量份;所述氧化铝微粉的粒度为大于Oym且小于或等于1.2μπι的氧化铝微粉,所述氧化铝微粉为2.3-2.7重量份;所述金属铝粉为大于Ομπι且小于或等于96μπι的金属铝粉,所述金属铝粉为2.3-2.7重量份;所述硅灰为埃肯95U硅灰,所述硅灰为2-4重量份;所述铝酸盐水泥为铝酸盐水泥CA-80,所述铝酸盐水泥为1-3重量份;所述防爆裂纤维为0.08-0.12重量份;所述防爆裂纤维的长度为4-5mm;所述巴斯夫FlO为0.1-0.3重量份。
[0013] 本发明的技术方案取得了如下有益的技术效果:
[0014] 本发明的高温超导浇注料,耐火温度可达到1610°C,导热性能良好,350°C的导热系数为1.739WAm · K),600°C的导热系数为2.470WAm · K),800°C的导热系数为2.945W/(m · K),1000°C的导热系数为4.415W(m · K),1200°C的导热系数为5.979W(m · K)。
[0015] 采用本发明高温超导浇注料在余热锅炉膜式壁或锅炉管上或真空炉铝锌提炼坩埚衬里浇注30_50mm保护层,高温超导浇注料可以与金属表面很好粘合,不易脱落;所形成的保护层既耐烟气和熔融锌铝腐蚀,又不影响余热锅炉膜式壁、锅炉管和金属坩埚的热交换,从而延长余热锅炉膜式壁及锅炉和金属坩埚的使用寿命,金属坩埚使用寿命可从原来的1月提高到1年,余热锅炉膜式壁及锅炉管使用寿命可从原来的1年提高到3年。
具体实施方式
[0016] 本实施例高温超导浇注料,由如下组分组成:黑碳化硅骨料、碳化硅细粉、氧化铝微粉、金属铝粉、硅灰、铝酸盐水泥、防爆裂纤维、巴斯夫F10。
[0017] 所述黑碳化硅骨料中碳化硅的质量分数为98%;所述黑碳化硅骨料由粒度大于Omm且小于或等于Imm的黑碳化娃骨料、粒度大于Imm且小于或等于3mm的黑碳化娃骨料、粒度大于3mm且小于或等于5mm的黑碳化娃骨料、粒度大于5mm且小于或等于8mm的黑碳化娃骨料组成。
[0018] 粒度大于Omm且小于或等于Imm的黑碳化娃骨料为11 kg、粒度大于Imm且小于或等于3mm的黑碳化娃骨料为20kg、粒度大于3mm且小于或等于5mm的黑碳化娃骨料为25kg、粒度大于5mm且小于或等于8mm的黑碳化娃骨料为24kg。
[0019] 所述碳化硅细粉的粒度为大于OMi且小于或等于75μπι,所述碳化硅细粉为20kg。所述氧化铝微粉的粒度为大于Ομπι且小于或等于1.2μπι的氧化铝微粉,所述氧化铝微粉为2.5kg。所述金属铝粉的粒度为大于Ομπι且小于或等于96微米的金属铝粉,所述金属铝粉为2.5kg。所述硅灰为3kg埃肯95U硅灰;所述铝酸盐水泥为2kg铝酸盐水泥CA-80;所述防爆裂纤维为〇. Ikg;所述防爆裂纤维的长度为4-5mm;所述巴斯夫FlO为0.2kg。
[0020] 本实施例高温超导浇注料经国家建筑材料耐火材料产品质量监督检验测试中心检验,性能测试结果如下表:
[0021]
Figure CN108752004AD00051
[0022]
Figure CN108752004AD00061
[0023] 使用本实施例的高温超导浇注料,耐火温度可达到1610°C,导热性能良好,1000°C的导热系数为4.415WAm · K)。
[0024] 采用本实施例的高温超导浇注料在余热锅炉膜式壁或锅炉管上浇注30-50mm保护层,也可对脱落的部位局部浇注,既耐烟气腐蚀,又不影响余热锅炉膜式壁和锅炉管的热传递,从而延长余热锅炉膜式壁及锅炉管使用寿命,使用寿命可从原来的1年提到3年以上。
[0025] 采用本实施例高温超导浇注料真空炉铝锌提炼坩埚衬里浇注30-50mm保护层,高温超导浇注料可以与金属坩埚表面很好粘合;所形成的保护层可以防止铝锌与金属坩埚形成合金渣,腐蚀坩埚衬里,延长了金属坩埚的使用寿命,使用寿命可从原来的1月提到1年,同时不影响金属坩埚内物料受热。
[0026] 显然,上述实施例仅仅是为清楚地说明所作的举例,而并非对实施方式的限定。对于所属领域的普通技术人员来说,在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。而由此所引伸出的显而易见的变化或变动仍处于本专利申请权利要求的保护范围之中。

Claims (8)

1. 高温超导浇注料,其特征在于,由如下组分组成:黑碳化硅骨料、碳化硅细粉、氧化铝 微粉、金属铝粉、硅灰、铝酸盐水泥、防爆裂纤维以及巴斯夫F10。
2. 根据权利要求1所述的高温超导浇注料,其特征在于,所述黑碳化硅骨料中碳化硅的 质量分数为98% ;所述黑碳化娃骨料由粒度大于Omm且小于或等于Imm的黑碳化娃骨料、粒 度大于Imm且小于或等于3mm的黑碳化娃骨料、粒度大于3mm且小于或等于5mm的黑碳化娃骨 料、粒度大于5mm且小于或等于8mm的黑碳化娃骨料组成。
3. 根据权利要求2所述的高温超导饶注料,其特征在于,粒度大于Omm且小于或等于Imm 的黑碳化硅骨料为9-13重量份、粒度大于Imm且小于或等于3mm的黑碳化硅骨料为18-22重 量份、粒度大于3mm且小于或等于5mm的黑碳化娃骨料为13-17重量份、粒度大于5mm且小于 或等于8_的黑碳化硅骨料为22-26重量份。
4. 根据权利要求1所述的高温超导浇注料,其特征在于,所述碳化硅细粉的粒度为大于 Ομπι且小于或等于75μπι,所述碳化硅细粉为18-22重量份。
5. 根据权利要求1所述的高温超导浇注料,其特征在于,所述氧化铝微粉的粒度为大于 OMi且小于或等于1.2μπι的氧化铝微粉,所述氧化铝微粉为2.3-2.7重量份。
6. 根据权利要求1所述的高温超导浇注料,其特征在于,所述金属铝粉为粒度大于OMi 且小于或等于96μπι的金属铝粉,所述金属铝粉为2.3-2.7重量份。
7. 根据权利要求1所述的高温超导浇注料,其特征在于,所述硅灰为埃肯95U硅灰,所述 娃灰为2-4重量份;所述铝酸盐水泥为铝酸盐水泥CA-80,所述铝酸盐水泥为1-3重量份;所 述防爆裂纤维为〇. 08-0.12重量份;所述防爆裂纤维的长度为4-5mm;所述巴斯夫FlO为0. ΙΟ. 3重量份。
8. 根据权利要求1所述的高温超导浇注料,其特征在于,所述黑碳化硅骨料中碳化硅的 质量分数为98% ;所述黑碳化娃骨料由粒度大于Omm且小于或等于Imm的黑碳化娃骨料、粒 度大于Imm且小于或等于3mm的黑碳化娃骨料、粒度大于3mm且小于或等于5mm的黑碳化娃骨 料、粒度大于5mm且小于或等于8mm的黑碳化娃骨料组成;粒度大于Omm且小于或等于Imm的 黑碳化硅骨料为9-13重量份、粒度大于Imm且小于或等于3mm的黑碳化硅骨料为18-22重量 份、粒度大于3mm且小于或等于5mm的黑碳化娃骨料为13-17重量份、粒度大于5mm且小于或 等于8mm的黑碳化硅骨料为22-26重量份;所述碳化硅细粉的粒度为大于Ομπι且小于或等于 75μπι,所述碳化硅细粉为18-22重量份;所述氧化铝微粉的粒度为大于Ομπι且小于或等于1.2 μπι的氧化铝微粉,所述氧化铝微粉为2.3-2.7重量份;所述金属铝粉为大于Ομπι且小于或等 于96μηι的金属错粉,所述金属错粉为2.3-2.7重量份;所述娃灰为埃肯95U娃灰,所述娃灰为 2-4重量份;所述铝酸盐水泥为铝酸盐水泥CA-80,所述铝酸盐水泥为1-3重量份;所述防爆 裂纤维为0.08-0.12重量份;所述防爆裂纤维的长度为4-5mm;所述巴斯夫FlO为0.1-0.3重 量份。
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