CN105523770A - 耐火材料 - Google Patents

耐火材料 Download PDF

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CN105523770A
CN105523770A CN201610036737.8A CN201610036737A CN105523770A CN 105523770 A CN105523770 A CN 105523770A CN 201610036737 A CN201610036737 A CN 201610036737A CN 105523770 A CN105523770 A CN 105523770A
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parts
refractory materials
nickel cobalt
alloy
refractory material
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谢宗柏
王雪峰
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Guangxi Congxin Industry Co Ltd
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Guangxi Congxin Industry Co Ltd
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    • C04B35/66Monolithic refractories or refractory mortars, including those whether or not containing clay
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Abstract

本发明公开了一种耐火材料,涉及材料技术领域。本发明耐火材料由以下重量份数的原料制备而成:镍钴合金0.05份~1.5份,氧化钙30份~60份,碳素3份~7份,二氧化硅1份~2份,氮化铝0.02份~0.5份,结合剂0.5份~2份。本发明由镍钴合金、氧化钙、碳素、二氧化硅、氮化铝和酚醛树脂符合制备而成,尤其是镍钴合金的加入,提高了耐火材料的耐高温性、热震稳定性、热导率、耐高温腐蚀性等,延长了耐火材料的使用寿命。

Description

耐火材料
技术领域
本发明涉及材料技术领域,尤其是一种耐火材料。
背景技术
耐火材料是指耐火度不低于1500℃的一类无机非金属材料,耐火度是指耐火材料锥形体试样在没有荷重的情况下,抵抗高温作用而不软化熔倒的摄氏温度。耐火材料包括天然矿石以及按照一定的工业要求制造,具有一定的高温力学性能、良好的体积稳定性,并且是各种耐高温设备必需的材料。耐火材料广泛应用于化工、石油、冶金、机械制造、动力等工业领域,尤其在冶金工业中用量最大,在高温工业生产发展中起着不可替代的重要作用。
耐火材料作为高温工业装备中的关键部件是实现耐高温设备正常运转的保障,近年来对耐火材料不断提出新的要求,而现有耐火材料耐高温腐蚀性和抗氧化性不理想,稳定性差,使用周期较短,因此,寻求一种新型的耐火材料,对于延长耐高温设备的使用寿命有重大的意义。
发明内容
本发明的目的是提供一种耐火材料,这种耐火材料可以解决现有耐火材料寿命短的问题。
为了解决上述问题,本发明采用的技术方案是:
这种耐火材料由以下重量份数的原料制备而成:镍钴合金0.05份~1.5份,氧化钙30份~60份,碳素3份~7份,二氧化硅1份~2份,氮化铝0.02份~0.5份,结合剂0.5份~2份。
上述技术方案中,更具体的方案还可以是:镍钴合金镍含量为20%~40%,钴含量为25%~50%。
进一步的,碳素选自炭黑或者石墨。
进一步的,结合剂为酚醛树脂。
进一步的,镍钴合金0.05份,氧化钙30份,碳素5份,二氧化硅1份,氮化铝0.3份,结合剂0.5份。
进一步的,镍钴合金1份,氧化钙45份,碳素7份,二氧化硅1.5份,氮化铝0.02份,结合剂2。
更进一步的,镍钴合金1.5份,氧化钙60份,碳素3份,二氧化硅2份,氮化铝0.5份,结合剂1份。
由于采用了上述技术方案,本发明与现有技术相比具有如下有益效果:
本发明由镍钴合金、氧化钙、碳素、二氧化硅、氮化铝和酚醛树脂符合制备而成,尤其是镍钴合金的加入,提高了耐火材料的耐高温性、热震稳定性、热导率、耐高温腐蚀性等,延长了耐火材料的使用寿命。
具体实施方式
下面结合实施例对本发明作进一步详述:
实施例1
本实施例耐火材料由以下重量份数的原料制备而成:镍钴合金0.05份,氧化钙30份,炭黑5份,二氧化硅1份,氮化铝0.3份,酚醛树脂0.5份。
本实施例镍钴合金镍含量为20%,钴含量为50%。
实施例2
本实施例耐火材料由以下重量份数的原料制备而成:镍钴合金1份,氧化钙45份,石墨7份,二氧化硅1.5份,氮化铝0.02份,酚醛树脂2份。
本实施例镍钴合金镍含量为40%,钴含量为25%。
实施例3
本实施例耐火材料由以下重量份数的原料制备而成:镍钴合金1.5份,氧化钙60份,石墨3份,二氧化硅2份,氮化铝0.5份,酚醛树脂1份。
本实施例镍钴合金镍含量为30%,钴含量为40%。

Claims (7)

1.一种耐火材料,其特征在于由以下重量份数的原料制备而成:镍钴合金0.05份~1.5份,氧化钙30份~60份,碳素3份~7份,二氧化硅1份~2份,氮化铝0.02份~0.5份,结合剂0.5份~2份。
2.根据权利要求1所述的耐火材料,其特征在于:镍钴合金镍含量为20%~40%,钴含量为25%~50%。
3.根据权利要求1所述的耐火材料,其特征在于:所述碳素选自炭黑或者石墨。
4.根据权利要求1所述的耐火材料,其特征在于:所述结合剂为酚醛树脂。
5.根据权利要求1所述的耐火材料,其特征在于原料的重量份数为:镍钴合金0.05份,氧化钙30份,碳素5份,二氧化硅1份,氮化铝0.3份,结合剂0.5份。
6.根据权利要求1所述的耐火材料,其特征在于原料的重量份数为:镍钴合金1份,氧化钙45份,碳素7份,二氧化硅1.5份,氮化铝0.02份,结合剂2。
7.根据权利要求1所述的耐火材料,其特征在于原料的重量份数为:镍钴合金1.5份,氧化钙60份,碳素3份,二氧化硅2份,氮化铝0.5份,结合剂1份。
CN201610036737.8A 2016-01-20 2016-01-20 耐火材料 Pending CN105523770A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108264365A (zh) * 2018-03-22 2018-07-10 湖州知维技术服务有限公司 一种耐火材料
CN112250456A (zh) * 2020-10-30 2021-01-22 德清县钢友耐火材料有限公司 一种不定型耐火材料

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61266345A (ja) * 1985-05-17 1986-11-26 ハリマセラミック株式会社 炭素含有塩基性耐火煉瓦
CN102910917A (zh) * 2012-10-20 2013-02-06 江苏苏嘉集团新材料有限公司 镁钙碳耐火材料
JP2013227165A (ja) * 2012-04-25 2013-11-07 Nisshin Steel Co Ltd ステンレス鋼精錬取鍋用煉瓦及びステンレス鋼精錬取鍋
CN104276831A (zh) * 2014-09-23 2015-01-14 沈阳化工大学 一种制备氧化钙碳砖的方法
CN104944926A (zh) * 2015-05-18 2015-09-30 浙江长兴银兴窑业有限公司 一种碳化硅耐火材料

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61266345A (ja) * 1985-05-17 1986-11-26 ハリマセラミック株式会社 炭素含有塩基性耐火煉瓦
JP2013227165A (ja) * 2012-04-25 2013-11-07 Nisshin Steel Co Ltd ステンレス鋼精錬取鍋用煉瓦及びステンレス鋼精錬取鍋
CN102910917A (zh) * 2012-10-20 2013-02-06 江苏苏嘉集团新材料有限公司 镁钙碳耐火材料
CN104276831A (zh) * 2014-09-23 2015-01-14 沈阳化工大学 一种制备氧化钙碳砖的方法
CN104944926A (zh) * 2015-05-18 2015-09-30 浙江长兴银兴窑业有限公司 一种碳化硅耐火材料

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108264365A (zh) * 2018-03-22 2018-07-10 湖州知维技术服务有限公司 一种耐火材料
CN112250456A (zh) * 2020-10-30 2021-01-22 德清县钢友耐火材料有限公司 一种不定型耐火材料

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Application publication date: 20160427