CN108892487A - 一种新型耐火浇注料的制造工艺 - Google Patents

一种新型耐火浇注料的制造工艺 Download PDF

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CN108892487A
CN108892487A CN201811032865.0A CN201811032865A CN108892487A CN 108892487 A CN108892487 A CN 108892487A CN 201811032865 A CN201811032865 A CN 201811032865A CN 108892487 A CN108892487 A CN 108892487A
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倪和芬
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C04B35/101Refractories from grain sized mixtures
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3418Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3427Silicates other than clay, e.g. water glass
    • C04B2235/3463Alumino-silicates other than clay, e.g. mullite
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
    • C04B2235/9607Thermal properties, e.g. thermal expansion coefficient

Abstract

本发明提供一种新型耐火浇注料的制造工艺,按照质量比进行配比如下:板状刚玉骨料50份,高纯莫来石骨料10份,红柱石8份,α—Al2O3超微粉14份,进口硅灰10份,71水泥8份,添加剂0.5份;按配方采购原材料;用颚式破碎机和辊式破碎机将板状刚玉骨料、高纯莫来石骨料、红柱石破碎,然后经电磁振动筛进行筛分,板状刚玉骨料的粒度分为4mm‑2mm规格,3mm‑1mm规格,1mm‑0mm规格,然放入雷蒙磨,将其磨成200目的细粉;本发明涉及的这种高纯耐火浇注料制造工艺,采用普通振动态成型和高温烧成的,高纯耐火浇注料耐高温、耐磨、耐腐蚀、抗热震、荷重软化点高、抗渣性好。

Description

一种新型耐火浇注料的制造工艺
技术领域
本发明涉及一种新型耐火浇注料的制造工艺,属于水泥技术领域。
背景技术
传统耐火浇注料做各种窑的内衬用料,根据反馈,损毁原因是被冲刷掉的,在钢包的使用后期刚玉料比座砖凹陷了,造成该料不耐用的原因有原料结合强度过低、经过钢水高温作用材料,烧结不好但是由于其高温强度低,在某些机械应力大的条件下,使用效果不尽人意。
发明内容
本发明提供一种新型耐火浇注料的制造工艺,采用普通振动态成型和高温烧成的,高纯耐火浇注料耐高温、耐磨、耐腐蚀、抗热震、荷重软化点高、抗渣性好。
为解决以上技术问题,本发明提供如下技术方案:一种高一种新型耐火浇注料的制造工艺,按照质量比进行配比如下:板状刚玉骨料50份,高纯莫来石骨料10份,红柱石8份,α—Al2O3超微粉14份,进口硅灰10份,71水泥8份,添加剂0.5份;按配方采购原材料;用颚式破碎机和辊式破碎机将板状刚玉骨料、高纯莫来石骨料、红柱石破碎,然后经电磁振动筛进行筛分,板状刚玉骨料的粒度分为4mm-2mm规格,3mm-1mm规格,1mm-0mm规格,然放入雷蒙磨,将其磨成200目的细粉;用颚式破碎机和辊式破碎机将高纯莫来石骨料、红柱石破碎成小颗粒,然如入雷蒙磨将二者分别磨成170和300目的细粉;以单批次混料1吨为原则,按配比称量好所有的原材料;先将板状刚玉骨料、高纯莫来石骨料、红柱石、α—Al2O3超微粉置入强力搅拌机混合3-5分钟,再将进口硅灰、71水泥、添加剂继续混合3-5分钟;将最终混合料进行抽检,合格后方可进行下一道工序产品;检测和包装。
本发明涉及的一种新型耐火浇注料的制造工艺,新型耐火材料主要是采用板状刚玉、高纯莫来石、红柱石、进口97硅灰、71水泥、α—Al2O3超微粉和高效外加剂等材料配成的。该系列产品具有耐高温、耐磨、耐腐蚀、抗热震、荷重软化点高、抗渣性好等优点。在新型干法水泥回转窑、炼钢热工设备上得到了广泛应用,并获得良好的使用效果。
具体实施方式
一种新型耐火浇注料的制造工艺,按照质量比进行配比如下:板状刚玉骨料50份,高纯莫来石骨料10份,红柱石8份,α—Al2O3超微粉14份,进口硅灰10份,71水泥8份,添加剂0.5份;按配方采购原材料;用颚式破碎机和辊式破碎机将板状刚玉骨料、高纯莫来石骨料、红柱石破碎,然后经电磁振动筛进行筛分,板状刚玉骨料的粒度分为4mm-2mm规格,3mm-1mm规格,1mm-0mm规格,然放入雷蒙磨,将其磨成200目的细粉;用颚式破碎机和辊式破碎机将高纯莫来石骨料、红柱石破碎成小颗粒,然如入雷蒙磨将二者分别磨成170和300目的细粉;以单批次混料1吨为原则,按配比称量好所有的原材料;先将板状刚玉骨料、高纯莫来石骨料、红柱石、α—Al2O3超微粉置入强力搅拌机混合3-5分钟,再将进口硅灰、71水泥、添加剂继续混合3-5分钟;将最终混合料进行抽检,合格后方可进行下一道工序产品;检测和包装。
原料破粉碎
将所进原料进行破粉碎,原料破碎成4mm-2mm、3mm-1mm、1mm-0mm,矾土熟料粉碎成180目粉料。其余原料,按要求外进各种规格原料。
按生产通知单要求准确配料。配料时确保两人在厂,一人称料,一人确认。
将配好的料投入搅拌机中。开机搅拌,搅拌时间5~8min。
搅拌完的料出料包装,每袋25Kg。
产品检测方法
检验项目:体积密度、导热系数、耐压强度、抗折强度及线变化率。
检验方法:试样制样方法按YB/T5202.1的规定进行;体积密度的测定按YB/T5200进行;导热系数的测定按YB/T059进行;常温抗折、耐压强度的测定按YB/T5201进行;线变化率的测定按YB/T5203进行。
检验规则:
轻质高强自流浇注料同一批组,每批重量不超过60t。产品的抽样按GB/T17617进行。检验结果中有一项不符合标准要求时,该不合格项目应重新复检,结果即使只有一项不合格,则整批作为不合格产品。
检测设备
序号 设备名称 数量(台) 备注
1 搅拌机 1 制作物理试样
2 振动台 1 制作物理试样
3 振动筛 1 粒度分析
4 压力试验机 1 物理性能检测
5 抗折试验机 1 物理性能检测
6 高温炉 2 1400℃、1700℃各一台
7 工业天平 2
8 分析天平 1 万分之一天平,化学分析用
9 烘箱 2
10 721分光光度计 1 化学分析用
11 6400火焰光度计 1 化学分析用
本发明涉及的一种新型耐火浇注料的制造工艺,刚玉质高纯耐火浇注料,采用普通振动态成型和高温烧成的,高纯耐火浇注料耐高温、耐磨、耐腐蚀、抗热震、荷重软化点高、抗渣性好。许多不定形耐火材料厂家都具备生产条件,生产成本低,即降低了产品价格。在钢包等热工设备上广泛应用,或的良好的社会经济效益。
下表为本发明产品与现有技术产品性能指标对照表:
由上表可知本发明的有益效果如下:
1、抗急冷急热性好,强度高、耐冲刷、耐磨损、抗剥落快速烘炉、不爆裂、抗剥落,产品保温隔热性能好,与同类产品相当。
2、产品强度高、中温强度不下降,可直接用作工作衬。国内同类产品强度低、中温强度下降。
3、施工时自流施工,不需振动,减少劳动强度和噪音污染。对于施工薄壁衬体施工方便,性能更好。
4、该产品目前在国内行业处于先进水平。
本发明所述的具体实施方式并不构成对本申请范围的限制,凡是在本发明构思的精神和原则之内,本领域的专业人员能够作出的任何修改、等同替换和改进等均应包含在本发明的保护范围之内。

Claims (1)

1.一种新型耐火浇注料的制造工艺,其特征在于,按照质量比进行配比如下:板状刚玉骨料50份,高纯莫来石骨料10份,红柱石8份,α—Al 2O 3超微粉14份,进口硅灰10份,71水泥8份,添加剂0.5份;按配方采购原材料;用颚式破碎机和辊式破碎机将板状刚玉骨料、高纯莫来石骨料、红柱石破碎,然后经电磁振动筛进行筛分,板状刚玉骨料的粒度分为4mm-2mm规格,3mm-1mm规格,1mm-0mm规格,然放入雷蒙磨,将其磨成200目的细粉;用颚式破碎机和辊式破碎机将高纯莫来石骨料、红柱石破碎成小颗粒,然如入雷蒙磨将二者分别磨成170和300目的细粉;以单批次混料1吨为原则,按配比称量好所有的原材料;先将板状刚玉骨料、高纯莫来石骨料、红柱石、α—Al 2O 3超微粉置入强力搅拌机混合3-5分钟,再将进口硅灰、71水泥、添加剂继续混合3-5分钟;将最终混合料进行抽检,合格后方可进行下一道工序产品;检测和包装。
CN201811032865.0A 2018-09-05 2018-09-05 一种新型耐火浇注料的制造工艺 Pending CN108892487A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110240487A (zh) * 2019-07-05 2019-09-17 巩义市兴嘉耐火材料有限公司 一种以建筑废砖为原料制备工业窑炉浇注料的方法
CN112390632A (zh) * 2020-11-30 2021-02-23 大连科萌工程材料有限公司 一种刚玉莫来石质低水泥自流浇注料及其修复顶燃式热风炉热风出口的方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110240487A (zh) * 2019-07-05 2019-09-17 巩义市兴嘉耐火材料有限公司 一种以建筑废砖为原料制备工业窑炉浇注料的方法
CN112390632A (zh) * 2020-11-30 2021-02-23 大连科萌工程材料有限公司 一种刚玉莫来石质低水泥自流浇注料及其修复顶燃式热风炉热风出口的方法

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