CN113045291A - 一种高钛高炉渣外墙外保温材料及其制备方法 - Google Patents
一种高钛高炉渣外墙外保温材料及其制备方法 Download PDFInfo
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Abstract
本发明公开了一种高钛高炉渣外墙外保温材料及其制备方法,各组分按其质量百分比计为:高钛高炉渣1份~2.5份、硅铝质改性组分2.5份~6.4份、发泡剂0.06份~0.1份、助熔剂0.05份~0.1份、晶核剂0.01份~0.05份、稳定剂0.03份~0.08份,本发明的有益效果是:可实现高钛高炉渣的高效、高值和高规模利用,提供了消纳存量高钛高炉渣的新技术途径,同时,本发明所述生产和制备工艺简单易行,可规模化应用和推广,产品附加值高,市场前景广阔,综合技术优势和经济效益突出。
Description
技术领域
本发明涉及保温材料技术领域,具体为一种高钛高炉渣外墙外保温材料及其制备方法。
背景技术
目前,墙体保温材料以有机保温材料为主,比如聚苯乙烯颗粒、聚苯乙烯模塑板、聚苯乙烯挤塑板、聚氨酷硬泡以及聚脉树脂等,这些保温材料在使用过程中暴漏出的种种问题也不容忽视,如保温板开裂、结露、易燃、使用寿命短等。有机材料外墙外保温体系应用的几十年以来,在一定时期内满足了墙体保温的热工要求,但随着使用年限的增加,出现了不同程度的老化、变形、失效、不耐火等棘手的问题。近年来,无机保温材料受到越来越多的关注,常见的无机保温材料有加气混凝土、泡沫混凝土、岩棉、玻璃棉、硅酸铝盐、泡沫玻璃、陶粒混凝土、膨胀珍珠岩等,由于这些无机保温材料性质的差异,在使用过程中其保温性能也有所不同,泡沫玻璃是无机保温材料的优秀代表,不仅具备保温性能,基本不燃和可施工性好等优异的性能,最重要的是它能与建筑物同寿命,避免了外保温二次更换等不利因素,泡沫玻璃是众多隔热保温材料中,适用于未来建筑的节能环保型保温材料之一。
含钛高炉渣作为高炉冶炼过程的副产品,同时也是重要的二次资源,低钛渣与普通炉渣的基础性能没有太大差别,可直接作为水泥、建材、陶瓷等的原料,因多数提钛技术比较复杂,且成本较高,不适用于钛含量较低的中钛高炉渣,同时中钛渣细磨困难,不能像普通炉渣一样直接用作水泥原料加以利用,故导致中钛高炉渣大量堆存。
我国攀西地区堆积了大量的高钛高炉渣,由于其成分复杂、含杂质多,目前尚未有高效的大规模工业处理方法。从材料学角度看,高钛高炉渣中的主要化学元素是形成玻璃的主要成分,而其中所含的大量TiO2是优质的晶核剂,这为高钛高炉渣在制备泡沫玻璃时的提供了另一便利条件。
发明内容
本发明的目的在于提供一种高钛高炉渣外墙外保温材料及其制备方法,以解决上述背景技术中提出的问题。
为实现上述目的,本发明提供如下技术方案一种高钛高炉渣外墙外保温材料,各组分按重量比包括以下物质:高钛高炉渣1份~2.5份、硅铝质改性组分2.5份~6.4份、发泡剂0.06份~0.1份、助熔剂0.05份~0.1份、晶核剂0.01份~0.05份、稳定剂0.03份~0.08份。
作为优选,所述高钛高炉矿渣各组分按其质量百分比计为:二氧化钛15%~25%、氧化钙25%~35%、二氧化硅20%~25%、余量为三氧化二铝、氧化锰、三氧化二铁以及少量碱金属氧化物。
作为优选,所述硅铝质改性组分由废玻璃粉、粘土、高领土、粉煤灰和硅灰中的一种或多种混合制成。
作为优选,所述发泡剂由括碳粉、煤粉、焦炭、碳酸钙和硫酸钙中的一种或多种混合而成。
作为优选,所述助熔剂由长石、水玻璃、烧碱和硼砂中的一种或多种混合而成。
作为优选,所述晶核剂由二氧化钛、氧化镧、氧化锆和三氧化二铬中的一种或多种混合而成。
作为优选,所述稳定剂由磷酸钠、硼酸、硫酸钠中的一种或多种混合而成。
一种高钛高炉渣外墙外保温材料的制备方法,包括以下步骤:
S1、混合配料:按照重量比例,称取高钛高炉渣、硅铝质改性组分、发泡剂、助熔剂、晶核剂、稳定剂,加入适量的水中,并通过设备进行加热搅拌,使所有配料进行充分混合;
S2、压制成坯:当所有配料混合反应后,将多余的液体滤出,并通过液压装置对沉淀的材料进行压制,从而形成坯料;
S3、低温烧成:将压制后的坯料导入烧制设备中,按照设定的温度以及时间对坯料进行烧制,从而得到所需的材料。
作为优选,所述步骤S3中低温烧成工艺为:生料坯自室温以10℃~15℃/min升温至500~600℃,保温30min,继续升至850℃~1000℃,保温60min,自然冷却到室温。
作为优选,所述步骤S3中低温烧成工艺为:自室温以10℃~15℃/min的升温速度升温至500~600℃,保温200~350min,空气中缓慢冷却至室温。
与现有技术相比,本发明的有益效果是:
1、可实现高钛高炉渣的高效、高值和高规模利用,提供了消纳存量高钛高炉渣的新技术途径。
2、本发明所述生产和制备工艺简单易行,可规模化应用和推广,产品附加值高,市场前景广阔,综合技术优势和经济效益突出。
具体实施方式
本发明提供一种技术方案:一种高钛高炉渣外墙外保温材料,各组分按重量比包括以下物质:高钛高炉渣1份~2.5份、硅铝质改性组分2.5份~6.4份、发泡剂0.06份~0.1份、助熔剂0.05份~0.1份、晶核剂0.01份~0.05份、稳定剂0.03份~0.08份。
其中,所述高钛高炉矿渣各组分按其质量百分比计为:二氧化钛15%~25%、氧化钙25%~35%、二氧化硅20%~25%、余量为三氧化二铝、氧化锰、三氧化二铁以及少量碱金属氧化物。
其中,所述硅铝质改性组分由废玻璃粉、粘土、高领土、粉煤灰和硅灰中的一种或多种混合制成。
其中,所述发泡剂由括碳粉、煤粉、焦炭、碳酸钙和硫酸钙中的一种或多种混合而成。
其中,所述助熔剂由长石、水玻璃、烧碱和硼砂中的一种或多种混合而成。
其中,所述晶核剂由二氧化钛、氧化镧、氧化锆和三氧化二铬中的一种或多种混合而成。
其中,所述稳定剂由磷酸钠、硼酸、硫酸钠中的一种或多种混合而成。
一种高钛高炉渣外墙外保温材料的制备方法,包括以下步骤:
S1、混合配料:按照重量比例,称取高钛高炉渣、硅铝质改性组分、发泡剂、助熔剂、晶核剂、稳定剂,加入适量的水中,并通过设备进行加热搅拌,使所有配料进行充分混合;
S2、压制成坯:当所有配料混合反应后,将多余的液体滤出,并通过液压装置对沉淀的材料进行压制,从而形成坯料;
S3、低温烧成:将压制后的坯料导入烧制设备中,按照设定的温度以及时间对坯料进行烧制,从而得到所需的材料。
其中,所述步骤S3中低温烧成工艺为:生料坯自室温以10℃~15℃/min升温至500~600℃,保温30min,继续升至850℃~1000℃,保温60min,自然冷却到室温。
其中,所述步骤S3中低温烧成工艺为:自室温以10℃~15℃/min的升温速度升温至500~600℃,保温200~350min,空气中缓慢冷却至室温。
实施例1:
本实施例所用原料及配比为:高钛高炉渣1.2份、粉煤灰1.5份、废玻璃4.8份,煤粉0.06份、碳酸钙0.03份,长石0.02份、硼砂0.03份,氧化镧0.02份、氧化锆0.02份,以及磷酸钠0.05份混合组成。其中高钛高炉渣,粉煤灰和废玻璃过100目筛,煤粉、长石和碳酸钙等助剂类物质均过200目筛。上述原料经烘干后,按比例混合,压制成生料坯。
生料坯自室温以10℃/min升温至550℃,保温35min,继续升至950℃,保温60min,自然冷却到室温;退火处理工艺:自室温以15℃/min的升温速度升温至600℃,保温350min,空气中缓慢冷却至室温。切割定型,包装入库。
实施例2:
具体实施过程同实施例1,区别在于:所用原料组成和比例不同,具体地,高钛高炉渣为1.5份,硅灰1.2份,废玻璃4.2份;
实施例3:
具体实施过程同实施例1,区别在于:所发泡剂种类与配比不同,具体地,碳粉0.08份,硫酸钙0.01份。
实施例4:
具体实施过程同实施例1,区别在于:本实施例晶核剂和稳定剂种类与比例不同,具体地,二氧化钛0.01份、氧化铬0.02份,硼酸0.03份,硫酸钠0.02份。
各实施例性能测试结果如下所示:
在本发明中,除非另有明确的规定和限定,术语“安装”、“设置”、“连接”、“固定”、“旋接”等术语应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或成一体;可以是机械连接,也可以是电连接;可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通或两个元件的相互作用关系,除非另有明确的限定,对于本领域的普通技术人员而言,可以根据具体情况理解上述术语在本发明中的具体含义。
尽管已经示出和描述了本发明的实施例,对于本领域的普通技术人员而言,可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型,本发明的范围由所附权利要求及其等同物限定。
Claims (10)
1.一种高钛高炉渣外墙外保温材料,其特征在于,各组分按重量比包括以下物质:高钛高炉渣1份~2.5份、硅铝质改性组分2.5份~6.4份、发泡剂0.06份~0.1份、助熔剂0.05份~0.1份、晶核剂0.01份~0.05份、稳定剂0.03份~0.08份。
2.根据权利要求1所述的一种高钛高炉渣外墙外保温材料,其特征在于:所述高钛高炉矿渣各组分按其质量百分比计为:二氧化钛15%~25%、氧化钙25%~35%、二氧化硅20%~25%、余量为三氧化二铝、氧化锰、三氧化二铁以及少量碱金属氧化物。
3.根据权利要求1所述的一种高钛高炉渣外墙外保温材料,其特征在于:所述硅铝质改性组分由废玻璃粉、粘土、高领土、粉煤灰和硅灰中的一种或多种混合制成。
4.根据权利要求1所述的一种高钛高炉渣外墙外保温材料,其特征在于:所述发泡剂由括碳粉、煤粉、焦炭、碳酸钙和硫酸钙中的一种或多种混合而成。
5.根据权利要求1所述的一种高钛高炉渣外墙外保温材料,其特征在于:所述助熔剂由长石、水玻璃、烧碱和硼砂中的一种或多种混合而成。
6.根据权利要求1所述的一种高钛高炉渣外墙外保温材料,其特征在于:所述晶核剂由二氧化钛、氧化镧、氧化锆和三氧化二铬中的一种或多种混合而成。
7.根据权利要求1所述的一种高钛高炉渣外墙外保温材料,其特征在于:所述稳定剂由磷酸钠、硼酸、硫酸钠中的一种或多种混合而成。
8.一种高钛高炉渣外墙外保温材料的制备方法,其特征在于:包括以下步骤:
S1、混合配料:按照重量比例,称取高钛高炉渣、硅铝质改性组分、发泡剂、助熔剂、晶核剂、稳定剂,加入适量的水中,并通过设备进行加热搅拌,使所有配料进行充分混合;
S2、压制成坯:当所有配料混合反应后,将多余的液体滤出,并通过液压装置对沉淀的材料进行压制,从而形成坯料;
S3、低温烧成:将压制后的坯料导入烧制设备中,按照设定的温度以及时间对坯料进行烧制,从而得到所需的材料。
9.根据权利要求8所述的一种高钛高炉渣外墙外保温材料的制备方法,其特征在于:所述步骤S3中低温烧成工艺为:生料坯自室温以10℃~15℃/min升温至500~600℃,保温30min,继续升至850℃~1000℃,保温60min,自然冷却到室温。
10.根据权利要求8所述的一种高钛高炉渣外墙外保温材料的制备方法,其特征在于:所述步骤S3中低温烧成工艺为:自室温以10℃~15℃/min的升温速度升温至500~600℃,保温200~350min,空气中缓慢冷却至室温。
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