CN111908905A - 一种锆质自流浇注料 - Google Patents

一种锆质自流浇注料 Download PDF

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CN111908905A
CN111908905A CN202010551820.5A CN202010551820A CN111908905A CN 111908905 A CN111908905 A CN 111908905A CN 202010551820 A CN202010551820 A CN 202010551820A CN 111908905 A CN111908905 A CN 111908905A
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江群英
施永益
张新财
沈伟龙
陈百静
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Zhejiang Pansheng Metallurgical Materials Co ltd
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    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
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    • C04B2235/3217Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
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    • 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
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    • 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
    • C04B2235/44Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
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Abstract

本发明公开了一种锆质自流浇注料,其特征在于:包括:骨料、粉料、掺和料;骨料为占骨料与粉料质量之和的70~80%高铝矾土熟料、亚白刚玉、锆英石、斜锆石,粉料为占骨料与粉料质量之和1%~6%硅微粉、占骨料与粉料质量之和1~10%亚白刚玉粉、占骨料与粉料质量之和1~12%氧化铝粉、占骨料与粉料质量之和2%~3%氧化锆粉、占骨料与粉料质量之和1~10%白泥、占骨料与粉料质量之和0%~25%高铝矾土熟料粉、占骨料与粉料质量之和0~3%高铝水泥、占骨料与粉料质量之和0~6%纯铝酸钙水泥。本发明所述的一种锆质自流浇注料,在高温下性质、性能稳定,耐火性能优异,2%‑3%氧化锆粉能够提高抗龟裂性能,整体提升耐火性能。

Description

一种锆质自流浇注料
技术领域
本发明涉及耐火材料技术领域,特别涉及一种锆质自流浇注料。
背景技术
耐火度不低于1580℃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情况下,抵抗高温作用而不软化熔倒的摄氏温度。但仅以耐火度来定义已不能全面描述耐火材料了,1580℃并不是绝对的。现定义为凡物理化学性质允许其在高温环境下使用的材料称为耐火材料。耐火材料广泛用于冶金、化工、石油、机械制造、硅酸盐、动力等工业领域,在冶金工业中用量最大,占总产量的50%~60%;使用耐火材料过程中,原有的耐火材料的抗龟裂性能较差。
发明内容
本发明的主要目的在于提供一种锆质自流浇注料,可以有效解决背景技术中的问题。
为实现上述目的,本发明采取的技术方案为:
一种锆质自流浇注料,包括:骨料、粉料、掺和料;
骨料为占骨料与粉料质量之和的70~80%高铝矾土熟料、亚白刚玉、锆英石、斜锆石,
粉料为占骨料与粉料质量之和1%~6%硅微粉、占骨料与粉料质量之和1~10%亚白刚玉粉、占骨料与粉料质量之和1~12%氧化铝粉、占骨料与粉料质量之和2%~3%氧化锆粉、占骨料与粉料质量之和1~10%白泥、占骨料与粉料质量之和0%~25%高铝矾土熟料粉、占骨料与粉料质量之和0~3%高铝水泥、占骨料与粉料质量之和0~6%纯铝酸钙水泥,
掺和料为占骨料与粉料质量之和的0.1~0.3%六偏磷酸钠、占骨料与粉料质量之和的4%~7%水。
优选的,所述骨料分为粗骨料和细骨料,且粗骨料占骨料中40%-50%,所述细骨料占骨料中30%-40%,所述细骨料为锆英石、斜锆石。
优选的,氧化锆粉为纯氧化锆粉。
一种锆质自流浇注料的制备工艺,其特征在于:包括以下步骤:
步骤一:物料配比,按照各物料的比重进行配比,各物料分开存放;
步骤二:加入搅拌机,各物料加入搅拌机搅拌仓内,搅拌至振动成形所要求的流动度;
步骤三:准备模具和养护,置于模具中浇筑成形,带模养护和脱模养护,养护时间为24小时以上;
步骤四:入炉烘烧,投入烘烧炉中进行烘烧,温度呈线性上升,最高温度为1200度;
步骤五:冷却和检验,烘烧炉中冷却,出炉检验;
步骤六:入库,检验合格后保存,使用时投入使用。
与现有技术相比,本发明具有如下有益效果:该锆质自流浇注料,在高温下性质、性能稳定,耐火性能优异,2%-3%氧化锆粉能够提高抗龟裂性能,整体提升耐火性能。
具体实施方式
为使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解,下面结合具体实施方式,进一步阐述本发明。
实施例1
一种锆质自流浇注料,包括:骨料、粉料、掺和料;
骨料为占骨料与粉料质量之和的70~80%高铝矾土熟料、亚白刚玉、锆英石、斜锆石,
粉料为占骨料与粉料质量之和1%~6%硅微粉、占骨料与粉料质量之和1~10%亚白刚玉粉、占骨料与粉料质量之和1~12%氧化铝粉、占骨料与粉料质量之和2%~3%氧化锆粉、占骨料与粉料质量之和1~10%白泥、占骨料与粉料质量之和0%~25%高铝矾土熟料粉、占骨料与粉料质量之和0~3%高铝水泥、占骨料与粉料质量之和0~6%纯铝酸钙水泥,
掺和料为占骨料与粉料质量之和的0.1~0.3%六偏磷酸钠、占骨料与粉料质量之和的4%~7%水;
所述骨料分为粗骨料和细骨料,且粗骨料占骨料中40%-50%,所述细骨料占骨料中30%-40%,所述细骨料为锆英石、斜锆石,氧化锆粉为纯氧化锆粉。
一种锆质自流浇注料的制备工艺,其特征在于:包括以下步骤:
步骤一:物料配比,按照各物料的比重进行配比,各物料分开存放;
步骤二:加入搅拌机,各物料加入搅拌机搅拌仓内,搅拌至振动成形所要求的流动度;
步骤三:准备模具和养护,置于模具中浇筑成形,带模养护和脱模养护,养护时间为24小时以上;
步骤四:入炉烘烧,投入烘烧炉中进行烘烧,温度呈线性上升,最高温度为1200度;
步骤五:冷却和检验,烘烧炉中冷却,出炉检验;
步骤六:入库,检验合格后保存,使用时投入使用。
需要说明的是,本发明为一种锆质自流浇注料,在使用时,包括:骨料、粉料、掺和料;骨料为占骨料与粉料质量之和的70~80%高铝矾土熟料、亚白刚玉、锆英石、斜锆石,粉料为占骨料与粉料质量之和1%~6%硅微粉、占骨料与粉料质量之和1~10%亚白刚玉粉、占骨料与粉料质量之和1~12%氧化铝粉、占骨料与粉料质量之和2%~3%氧化锆粉、占骨料与粉料质量之和1~10%白泥、占骨料与粉料质量之和0%~25%高铝矾土熟料粉、占骨料与粉料质量之和0~3%高铝水泥、占骨料与粉料质量之和0~6%纯铝酸钙水泥,掺和料为占骨料与粉料质量之和的0.1~0.3%六偏磷酸钠、占骨料与粉料质量之和的4%~7%水具有良好的耐高温性能,为耐火材料提供耐火基础,通过提高这些材料的份量,能够增强耐火性能。
以上显示和描述了本发明的基本原理和主要特征和本发明的优点。本行业的技术人员应该了解,本发明不受上述实施例的限制,上述实施例和说明书中描述的只是说明本发明的原理,在不脱离本发明精神和范围的前提下,本发明还会有各种变化和改进,这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。

Claims (4)

1.一种锆质自流浇注料,其特征在于,包括:骨料、粉料、掺和料;
骨料为占骨料与粉料质量之和的70~80%高铝矾土熟料、亚白刚玉、锆英石、斜锆石,
粉料为占骨料与粉料质量之和1%~6%硅微粉、占骨料与粉料质量之和1~10%亚白刚玉粉、占骨料与粉料质量之和1~12%氧化铝粉、占骨料与粉料质量之和2%~3%氧化锆粉、占骨料与粉料质量之和1~10%白泥、占骨料与粉料质量之和0%~25%高铝矾土熟料粉、占骨料与粉料质量之和0~3%高铝水泥、占骨料与粉料质量之和0~6%纯铝酸钙水泥,
掺和料为占骨料与粉料质量之和的0.1~0.3%六偏磷酸钠、占骨料与粉料质量之和的4%~7%水。
2.根据权利要求1所述的一种锆质自流浇注料,其特征在于:所述骨料分为粗骨料和细骨料,且粗骨料占骨料中40%-50%,所述细骨料占骨料中30%-40%,所述细骨料为锆英石、斜锆石。
3.根据权利要求2所述的一种锆质自流浇注料,其特征在于:所述氧化锆粉为纯氧化锆粉。
4.一种锆质自流浇注料的制备工艺,其特征在于:包括以下步骤:
步骤一:物料配比,按照各物料的比重进行配比,各物料分开存放;
步骤二:加入搅拌机,各物料加入搅拌机搅拌仓内,搅拌至振动成形所要求的流动度;
步骤三:准备模具和养护,置于模具中浇筑成形,带模养护和脱模养护,
养护时间为24小时以上;
步骤四:入炉烘烧,投入烘烧炉中进行烘烧,温度呈线性上升,最高温度为1200度;
步骤五:冷却和检验,烘烧炉中冷却,出炉检验;
步骤六:入库,检验合格后保存,使用时投入使用。
CN202010551820.5A 2020-06-17 2020-06-17 一种锆质自流浇注料 Pending CN111908905A (zh)

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CN110483077A (zh) * 2019-08-23 2019-11-22 河南恒耐尔耐火材料有限公司 一种刚玉耐磨浇注料及其制备方法

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