CN107344864A - 一种泡沫保温板材及其制备方法 - Google Patents

一种泡沫保温板材及其制备方法 Download PDF

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CN107344864A
CN107344864A CN201610864137.0A CN201610864137A CN107344864A CN 107344864 A CN107344864 A CN 107344864A CN 201610864137 A CN201610864137 A CN 201610864137A CN 107344864 A CN107344864 A CN 107344864A
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insulating board
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陈彦文
潘文浩
周伟
牛晚扬
孙小巍
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Guangzhou Hengammonium Building Materials Technology Co ltd
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Abstract

一种泡沫保温板材及其制备方法,属于建筑保温材料技术领域。该泡沫保温板材,由煤矸石粉、玻璃粉、抛光石粉、碳粉、水玻璃和硼砂制得;各个组分的质量含量为:煤矸石粉:15~20%;玻璃粉:30~50%;抛光石粉:30~50%;碳粉:1~2%;水玻璃:1~3%;硼砂:0.5~1%。其制备方法包括(1)备料;(2)混料;(3)10~20MPa压力下,制坯;(4)400~500℃,保温10~30min,烘干;(5)升温至1000~1100℃,保温30~60min,焙烧,制得泡沫保温板材。该泡沫保温板材利用煤矸石、抛光石粉、废弃玻璃等工业废料,既节省大量土地,也可以降低成本。制备的泡沫保温板材,具有质量轻、强度较高、吸水率较低和保温性能好的优点。

Description

一种泡沫保温板材及其制备方法
技术领域
本发明属于建筑保温材料技术领域,具体涉及一种泡沫保温板材及其制备方法。
背景技术
煤矸石是煤炭开采、选煤后被淘汰的一种废料,这种废料开采后堆积在矿山周边,经过常年的风吹雨淋日晒,产生很多废气和污水,破坏了周边的自然环境。抛光石粉是石材加工产生的粉尘,颗粒细小,利用率较低。废弃玻璃是生活垃圾和工业废料。目前,很多科研工作者都在积极研究工业废弃物的开发与利用。但是利用这些废料生产制备无机保温板材的较少。无机保温材料强度较高,耐候性好,吸水率和保水率低,保温性能较高。本发明就是利用煤矸石、抛光石粉、废玻璃等废料,制备出强度较高,吸水率较低,保温性能好的轻质高强的无机保温板材。
发明内容
本发明的目的是提供一种泡沫保温板材及其制备方法。该泡沫保温板材利用煤矸石、抛光石粉、废弃玻璃等工业废料,通过备料、混料、制坯、烘干、焙烧等过程,制备的泡沫保温板材,具有质量轻、强度较高、吸水率较低和保温性能好的优点。
本发明的一种泡沫保温板材,由煤矸石粉、玻璃粉、抛光石粉、碳粉、水玻璃和硼砂制得;各个组分的质量百分比为:
煤矸石粉:15~20%;
玻璃粉:30~50%;
抛光石粉:30~50%;
碳粉:1~2%;
水玻璃:1~3%;
硼砂:0.5~1%;
其中,
所述的煤矸石粉为煤矸石经过破碎粉磨,过筛,制成粒径≤0.16mm的粉状煤矸石;所述的玻璃粉为废弃玻璃经过破碎粉磨,过筛,制成粒径≤0.16mm的粉状玻璃;
所述的水玻璃的模数为2.6~3.0,浓度为50%~70%;
本发明制备的泡沫保温板材的体积密度470~590Kg/m3,导热系数0.3~0.5W/(m·K),抗压强度3~7MPa,吸水率为3~7%。
本发明的一种泡沫保温板材的制备方法,包括以下步骤:
(1)备料
将煤矸石、废弃玻璃破碎,粉磨,过筛,得到煤矸石粉和玻璃粉;
(2)混料
按照配比,将原料混合,制得混合物料,然后焖料,用练泥机,将物料混练成泥,制得泥状混合物;
(3)制坯
将泥状混合物装入模具中,在10~20MPa的压力下,压制成型,自然干燥,制成板材坯体;
(4)烘干
将板材坯体,在400~500℃,保温10~30min,得到烘干的板材坯体;其中,升温速率为2~10℃/min;
(5)焙烧
将烘干的板材坯体,继续升温至1000~1100℃,升温速率为2~5℃/min,保温30~60min,随炉冷却至400~600℃后,取出,自然冷却至室温,制得泡沫保温板材。
所述步骤(1)中,所述的粉磨,采用球磨机,所述的过筛,采用0.16mm的筛子;
所述步骤(2)中,所述的焖料为塑料薄膜覆盖混合物料,常温静止放置,放置时间根据混合物料的量决定,优选10~30min,焖料的目的在于,使得混合物料达到均匀润湿的状态;
所述步骤(3)中,压制成型采用的设备的成型机;
所述步骤(4)中,烘干采用的设备为马弗炉;
所述步骤(5)中,焙烧采用的设备为马弗炉;
本发明的一种泡沫保温板材及其制备方法,相比于现有技术,具有如下优点:
1.本方法无需使用粘土和胶黏剂,利用煤矸石、抛光石粉、废弃玻璃等工业废料,既节省大量土地,也可以降低成本。
2.本发明制备的泡沫保温板材,具有质量轻、强度较高、吸水率较低和保温性能好的优点。
具体实施方式
下面结合实施例对本发明作进一步的详细说明。
实施例1
一种泡沫保温板材,由煤矸石粉、玻璃粉、抛光石粉、碳粉、水玻璃和硼砂制得;各个组分的质量百分比为:
煤矸石粉:15%;
玻璃粉:40%;
抛光石粉:41%;
碳粉:2%;
水玻璃:1%;
硼砂:1%;
其中,
煤矸石粉为煤矸石经过破碎粉磨,过筛,制成粒径≤0.16mm的粉状煤矸石;
玻璃粉为废弃玻璃经过破碎粉磨,过筛,制成粒径≤0.16mm的粉状玻璃;
水玻璃的模数为2.6~3.0,浓度为50%;
一种泡沫保温板材的制备方法,包括以下步骤:
(1)备料
将煤矸石、废弃玻璃破碎,用球磨机进行粉磨,用0.16mm的筛子过筛,得到煤矸石粉和玻璃粉;
(2)混料
按照配比,将原料混合,制得混合物料,然后用塑料薄膜覆盖混合物料,常温静止放置10min,焖料,用练泥机,将物料混练成泥,制得泥状混合物;
(3)制坯
将泥状混合物装入模具中,用成型机,在10MPa的压力下,压制成型,自然干燥,制成板材坯体;
(4)烘干
将板材坯体,放入马弗炉中,以升温速率为5℃/min升温至450℃,保温20min,得到烘干的板材坯体;其中,
(5)焙烧
将烘干的板材坯体,继续升温至1100℃,升温速率为5℃/min,保温30min,随炉冷却至600℃后,取出,自然冷却至室温,制得泡沫保温板材。
本实施例制备的泡沫保温板材的性能指标见表1。
实施例2
一种泡沫保温板材,由煤矸石粉、玻璃粉、抛光石粉、碳粉、水玻璃和硼砂制得;各个组分的质量百分比为:
煤矸石粉:19.2%;
玻璃粉:38.4%;
抛光石粉:38.4%;
碳粉:2%;
水玻璃:1%;
硼砂:1%;
其中,
煤矸石粉为煤矸石经过破碎粉磨,过筛,制成粒径≤0.16mm的粉状煤矸石;
玻璃粉为废弃玻璃经过破碎粉磨,过筛,制成粒径≤0.16mm的粉状玻璃;
水玻璃的模数为2.6~3.0,浓度为60%;
一种泡沫保温板材的制备方法,包括以下步骤:
(1)备料
将煤矸石、废弃玻璃破碎,用球磨机进行粉磨,用0.16mm的筛子过筛,得到煤矸石粉和玻璃粉;
(2)混料
按照配比,将原料混合,制得混合物料,然后用塑料薄膜覆盖混合物料,常温静止放置30min,焖料,用练泥机,将物料混练成泥,制得泥状混合物;
(3)制坯
将泥状混合物装入模具中,用成型机,在20MPa的压力下,压制成型,自然干燥,制成板材坯体;
(4)烘干
将板材坯体,放入马弗炉中,以升温速率为5℃/min升温至450℃,保温20min,得到烘干的板材坯体;
(5)焙烧
将烘干的板材坯体,继续升温至1100℃,升温速率为5℃/min,保温30min,随炉冷却至500℃后,取出,自然冷却至室温,制得泡沫保温板材。
本实施例制备的泡沫保温板材的性能指标见表1。
实施例3
一种泡沫保温板材,由煤矸石粉、玻璃粉、抛光石粉、碳粉、水玻璃和硼砂制得;各个组分的质量百分比为:
煤矸石粉:20%;
玻璃粉:46%;
抛光石粉:30%;
碳粉:2%;
水玻璃:1%;
硼砂:1%;
其中,
煤矸石粉为煤矸石经过破碎粉磨,过筛,制成粒径≤0.16mm的粉状煤矸石;
玻璃粉为废弃玻璃经过破碎粉磨,过筛,制成粒径≤0.16mm的粉状玻璃;
水玻璃的模数为2.6~3.0,浓度为70%;
一种泡沫保温板材的制备方法,包括以下步骤:
(1)备料
将煤矸石、废弃玻璃破碎,用球磨机进行粉磨,用0.16mm的筛子过筛,得到煤矸石粉和玻璃粉;
(2)混料
按照配比,将原料混合,制得混合物料,然后用塑料薄膜覆盖混合物料,常温静止放置20min,焖料,用练泥机,将物料混练成泥,制得泥状混合物;
(3)制坯
将泥状混合物装入模具中,用成型机,在20MPa的压力下,压制成型,自然干燥,制成板材坯体;
(4)烘干
将板材坯体,放入马弗炉中,以升温速率为5℃/min升温至450℃,保温20min,得到烘干的板材坯体;
(5)焙烧
将烘干的板材坯体,继续升温至1100℃,升温速率为2℃/min,保温30min,随炉冷却至400℃后,取出,自然冷却至室温,制得泡沫保温板材。
本实施例制备的泡沫保温板材的性能指标见表1。
实施例4
一种泡沫保温板材,由煤矸石粉、玻璃粉、抛光石粉、碳粉、水玻璃和硼砂制得;各个组分的质量百分比为:
煤矸石粉:16%;
玻璃粉:32%;
抛光石粉:32%;
碳粉:2%;
水玻璃:1%;
硼砂:1%;
其中,
煤矸石粉为煤矸石经过破碎粉磨,过筛,制成粒径≤0.16mm的粉状煤矸石;
玻璃粉为废弃玻璃经过破碎粉磨,过筛,制成粒径≤0.16mm的粉状玻璃;
水玻璃的模数为2.6~3.0,浓度为70%;
一种泡沫保温板材的制备方法,包括以下步骤:
(1)备料
将煤矸石、废弃玻璃破碎,用球磨机进行粉磨,用0.16mm的筛子过筛,得到煤矸石粉和玻璃粉;
(2)混料
按照配比,将原料混合,制得混合物料,然后用塑料薄膜覆盖混合物料,常温静止放置10min,焖料,用练泥机,将物料混练成泥,制得泥状混合物;
(3)制坯
将泥状混合物装入模具中,用成型机,在10MPa的压力下,压制成型,自然干燥,制成板材坯体;
(4)烘干
将板材坯体,放入马弗炉中,以升温速率为5℃/min升温至450℃,保温20min,得到烘干的板材坯体;
(5)焙烧
将烘干的板材坯体,继续升温至1100℃,升温速率为3℃/min,保温30min,随炉冷却至600℃后,取出,自然冷却至室温,制得泡沫保温板材。
本实施例制备的泡沫保温板材的性能指标见表1。
实施例5
一种泡沫保温板材,由煤矸石粉、玻璃粉、抛光石粉、碳粉、水玻璃和硼砂制得;各个组分的质量百分比为:
煤矸石粉:16%;
玻璃粉:32%;
抛光石粉:48%;
碳粉:2%;
水玻璃:1%;
硼砂:1%;
其中,
煤矸石粉为煤矸石经过破碎粉磨,过筛,制成粒径≤0.16mm的粉状煤矸石;
玻璃粉为废弃玻璃经过破碎粉磨,过筛,制成粒径≤0.16mm的粉状玻璃;
水玻璃的模数为2.6~3.0,浓度为70%;
一种泡沫保温板材的制备方法,包括以下步骤:
(1)备料
将煤矸石、废弃玻璃破碎,用球磨机进行粉磨,用0.16mm的筛子过筛,得到煤矸石粉和玻璃粉;
(2)混料
按照配比,将原料混合,制得混合物料,然后用塑料薄膜覆盖混合物料,常温静止放置20min,焖料,用练泥机,将物料混练成泥,制得泥状混合物;
(3)制坯
将泥状混合物装入模具中,用成型机,在20MPa的压力下,压制成型,自然干燥,制成板材坯体;
(4)烘干
将板材坯体,放入马弗炉中,以升温速率为10℃/min升温至450℃,保温20min,得到烘干的板材坯体;
(5)焙烧
将烘干的板材坯体,继续升温至1100℃,升温速率为5℃/min,保温30min,随炉冷却至500℃后,取出,自然冷却至室温,制得泡沫保温板材。
本实施例制备的泡沫保温板材的性能指标见表1。
实施例6
一种泡沫保温板材,由煤矸石粉、玻璃粉、抛光石粉、碳粉、水玻璃和硼砂制得;各个组分的质量百分比为:
煤矸石粉:15%;
玻璃粉:50%;
抛光石粉:30.5%;
碳粉:1%;
水玻璃:3%;
硼砂:0.5%;
煤矸石粉为煤矸石经过破碎粉磨,过筛,制成粒径≤0.16mm的粉状煤矸石;
玻璃粉为废弃玻璃经过破碎粉磨,过筛,制成粒径≤0.16mm的粉状玻璃;
水玻璃的模数为2.6~3.0,浓度为70%;
一种泡沫保温板材的制备方法,包括以下步骤:
(1)备料
将煤矸石、废弃玻璃破碎,用球磨机进行粉磨,用0.16mm的筛子过筛,得到煤矸石粉和玻璃粉;
(2)混料
按照配比,将原料混合,制得混合物料,然后用塑料薄膜覆盖混合物料,常温静止放置20min,焖料,用练泥机,将物料混练成泥,制得泥状混合物;
(3)制坯
将泥状混合物装入模具中,用成型机,在15MPa的压力下,压制成型,自然干燥,制成板材坯体;
(4)烘干
将板材坯体,放入马弗炉中,以升温速率为10℃/min升温至500℃,保温10min,得到烘干的板材坯体;
(5)焙烧
将烘干的板材坯体,继续升温至1000℃,升温速率为5℃/min,保温60min,随炉冷却至500℃后,取出,自然冷却至室温,制得泡沫保温板材。
本实施例制备的泡沫保温板材的性能指标见表1。
实施例7
一种泡沫保温板材,由煤矸石粉、玻璃粉、抛光石粉、碳粉、水玻璃和硼砂制得;各个组分的质量百分比为:
煤矸石粉:17%;
玻璃粉:30%;
抛光石粉:50%;
碳粉:1%;
水玻璃:1%;
硼砂:1%;
其中,煤矸石粉为煤矸石经过破碎粉磨,过筛,制成粒径≤0.16mm的粉状煤矸石;
玻璃粉为废弃玻璃经过破碎粉磨,过筛,制成粒径≤0.16mm的粉状玻璃;
水玻璃的模数为2.6~3.0,浓度为70%;
一种泡沫保温板材的制备方法,包括以下步骤:
(1)备料
将煤矸石、废弃玻璃破碎,用球磨机进行粉磨,用0.16mm的筛子过筛,得到煤矸石粉和玻璃粉;
(2)混料
按照配比,将原料混合,制得混合物料,然后用塑料薄膜覆盖混合物料,常温静止放置10min,焖料,用练泥机,将物料混练成泥,制得泥状混合物;
(3)制坯
将泥状混合物装入模具中,用成型机,在15MPa的压力下,压制成型,自然干燥,制成板材坯体;
(4)烘干
将板材坯体,放入马弗炉中,以升温速率为2℃/min升温至400℃,保温30min,得到烘干的板材坯体;
(5)焙烧
将烘干的板材坯体,继续升温至1000℃,升温速率为5℃/min,保温60min,随炉冷却至400℃后,取出,自然冷却至室温,制得泡沫保温板材。
本实施例制备的泡沫保温板材的性能指标见表1。
表1

Claims (10)

1.一种泡沫保温板材,其特征在于,所述的泡沫保温板材由煤矸石粉、玻璃粉、抛光石粉、碳粉、水玻璃和硼砂制得;各个组分的质量百分比为:
煤矸石粉:15~20%;
玻璃粉:30~50%;
抛光石粉:30~50%;
碳粉:1~2%;
水玻璃:1~3%;
硼砂:0.5~1%。
2.如权利要求1所述的泡沫保温板材,其特征在于,所述的煤矸石粉的粒径≤0.16mm;所述的玻璃粉粒径≤0.16mm。
3.如权利要求2所述的泡沫保温板材,其特征在于,所述的粒径≤0.16mm的煤矸石粉为煤矸石经过破碎粉磨,过筛制得;所述的粒径≤0.16mm的玻璃粉为废弃玻璃经过破碎粉磨,过筛制得。
4.如权利要求1所述的泡沫保温板材,其特征在于,所述的水玻璃的模数为2.6~3.0,浓度为50%~70%。
5.如权利要求1所述的泡沫保温板材,其特征在于,制备的泡沫保温板材的体积密度470~590Kg/m3,导热系数0.3~0.5W/(m·K),抗压强度3~7MPa,吸水率为3~7%。
6.权利要求1所述泡沫保温板材的制备方法,其特征在于,包括以下步骤:
(1)备料
将煤矸石、废弃玻璃破碎,粉磨,过筛,得到煤矸石粉和玻璃粉;
(2)混料
按照配比,将原料混合,制得混合物料,然后焖料,用练泥机,将物料混练成泥,制得泥状混合物;
(3)制坯
将泥状混合物装入模具中,在10~20MPa的压力下,压制成型,自然干燥,制成板材坯体;
(4)烘干
将板材坯体,在400~500℃,保温10~30min,得到烘干的板材坯体;其中,升温速率为2~10℃/min;
(5)焙烧
将烘干的板材坯体,继续升温至1000~1100℃,升温速率为2~5℃/min,保温30~60min,随炉冷却至400~600℃后,取出,自然冷却至室温,制得泡沫保温板材。
7.如权利要求6所述泡沫保温板材的制备方法,其特征在于,所述步骤(1)中,所述的粉磨,采用球磨机,所述的过筛,采用0.16mm的筛子。
8.如权利要求6所述泡沫保温板材的制备方法,其特征在于,所述步骤(2)中,所述的焖料为常温条件下,静止放置10~30min。
9.如权利要求6所述泡沫保温板材的制备方法,其特征在于,所述步骤(3)中,压制成型采用的设备的成型机。
10.如权利要求6所述泡沫保温板材的制备方法,其特征在于,所述步骤(4)中,烘干采用的设备为马弗炉;所述步骤(5)中,焙烧采用的设备为马弗炉。
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CN114436673A (zh) * 2022-03-11 2022-05-06 筑邦建筑科技投资(深圳)有限公司 一种超长轻质硅晶石墙板及制备方法
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