CN107021733A - 一种含钙十字沸石保温砖及其制备方法 - Google Patents

一种含钙十字沸石保温砖及其制备方法 Download PDF

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CN107021733A
CN107021733A CN201710389380.6A CN201710389380A CN107021733A CN 107021733 A CN107021733 A CN 107021733A CN 201710389380 A CN201710389380 A CN 201710389380A CN 107021733 A CN107021733 A CN 107021733A
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纪其维
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Mingguang City Taifeng New Materials Co Ltd
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Abstract

本发明公开了一种含钙十字沸石保温砖及其制备方法,属于保温砖领域,该保温砖包括以下按重量份数计的原料:铁矿尾渣60‑80份、钙十字沸石30‑50份、磷石膏25‑35份、玻璃纤维20‑30份、改性硅藻土15‑25份、加气铝粉10‑20份、双飞粉5‑15份、白乳胶10‑20份、硅钙渣8‑12份、减水剂1‑5份、憎水剂1‑5份、发泡剂1‑3份、稳泡剂1‑3份。其制备方法是将铁矿尾渣等原料进行球磨,得粉料,再将所有原料混合加水搅拌均匀,得浆料,最后通过对浆料的压制成型、自然养护、烘干、高温煅烧等处理,即可。本发明的保温砖生产成本低,具有良好的抗压强度、抗冻性、抗风化性,干密度小,实用耐久性强,绿色环保,具有广阔的市场前景。

Description

一种含钙十字沸石保温砖及其制备方法
技术领域
[0001] 本发明涉及保温砖领域,尤其是涉及一种含钙十字沸石保温砖及其制备方法。
背景技术
[0002] 随着国民经济的快速发展,人民生活水平的不断提高,对能源的消耗也越来越大, 能源短缺问题日益突出,因此,节能环保型的建筑材料逐渐被人们所重视,保温砖作为建筑 材料中的一种,应用广泛,通常下保温砖是一种使用高分子材料合成的一种新型建材,具有 一定良好的防火阻燃、保温隔音、抗裂防水等性能,从而达到节能环保的效果,虽然这类保 温砖相比普通烧结砖具有诸多如上的性能优势,但是,现如今的保温砖在原料成本上较高, 且很多保温砖抗压强度低、抗冻性低、抗风化性差、干密度大,致使耐久性差,寿命短。因此, 研制出一种能够解决上述性能问题的保温砖非常有必要。
发明内容
[0003] 本发明的目的是针对现有技术的问题,提供一种含钙十字沸石保温砖及其制备方 法,该种保温砖具有良好的抗压强度、抗冻性、抗风化性,干密度小,实用耐久性强。
[0004] 为了达到上述目的,本发明通过以下技术方案来实现的:
[0005] —种含钙十字沸石保温砖,包括以下按重量份数计的原料:铁矿尾渣60-80份、钙 十字沸石30-50份、磷石膏25-35份、玻璃纤维20-30份、改性硅藻土 15-25份、加气铝粉10-20 份、双飞粉5-15份、白乳胶10-20份、硅钙渣8-12份、减水剂1-5份、憎水剂1-5份、发泡剂1-3 份、稳泡剂1-3份;
[0006] 所述改性硅藻土由下列重量份的原料制成:硅藻土 30份、钛白粉8份、锌钡白4份、 木质素3份、膨胀珍珠岩10份、三氯化铁6份、正丁醛-苯胺缩合物3份、氧化镨3份、蜜蜡6份; 其制备方法是将硅藻土置于5%_10%的盐酸溶液中浸泡40-60分钟,抽滤后将所得物料烘 干,再与膨胀珍珠岩混合,在750-800°C下进行高温煅烧1-2小时,取出冷却到室温后再与蜜 蜡混合,通过研磨机研磨成120-160目的细粉,最后与剩余材料混合,通过球磨使所有原料 粉末充分分散混合均勾即可。
[0007] 进一步地,上述保温砖包括以下按重量份数计的原料:铁矿尾渣70份、钙十字沸石 40份、磷石膏30份、玻璃纤维25份、改性硅藻土20份、加气铝粉15份、双飞粉10份、白乳胶15 份、硅钙渣10份、减水剂3份、憎水剂3份、发泡剂2份、稳泡剂2份。
[0008] 优选地,所述减水剂为木质素磺酸钙、聚丙烯酸钠或氨基磺酸钠中的一种或者几 种按任意配比的混合物。
[0009] 优选地,所述憎水剂为有机硅乳液。
[0010] 优选地,所述稳泡剂为硅树脂聚醚乳液、聚丙烯酰胺或聚乙烯醇中的一种或者几 种按任意配比的混合物。
[0011] 优选地,所述发泡剂为十二烷基硫酸钠、松香或苯磺酸钠中的一种或者几种按任 意配比的混合物。
[0012] 上述的一种含钙十字沸石保温砖的制备方法,按照以下步骤进行:
[0013] 1)按照重量份配比称重配料,将铁矿尾渣、钙十字沸石、磷石膏和硅钙渣共同输送 至干式球磨机内进行粉磨,磨至粒径< 2_,得粉料;
[0014] 2)将所有原料混合加入重量比为8-12%的水输送至搅拌机中混合搅拌处理,搅拌 转速70-80r/min,搅拌时间为50-60min,得浆料;
[0015] 3)将所述浆料倒入模具中,通过压力机进行压制成型;
[0016] 4)将成型后的保温砖置于干燥室温的条件下自然养护2-4天;
[0017] 5)将养护后的保温砖放置于高温烘干机内进行高温烘干处理,且烘干温度设定为 75-85°C,烘干时间 24-32h;
[0018] 6)将烘干后的保温砖放置于高温煅烧炉中进行高温煅烧处理,即可,且高温煅烧 的温度为1100-1300 °C,高温煅烧时间为12-16h。
[0019] 本发明具有如下的有益效果:
[0020] (1)本发明的保温砖原料来源广泛,成本低廉,变废为宝,符合国家倡导的绿色环 保标准,适宜大规模生产施用,推动了节能环保型建筑材料的发展;
[0021] (2)本发明的保温砖以铁矿尾渣、钙十字沸石、磷石膏、玻璃纤维、改性硅藻土作为 保温砖的主料,协同加入的减水剂、憎水剂、发泡剂、稳泡剂等特定外加剂,提高了成品保温 砖的抗压强度、抗冻性、抗风化性,降低了自身干密度,实用耐久性增强,延长了保温砖的寿 命。
具体实施方式
[0022] 下面结合实施例对本发明的具体实施方式作进一步描述,以下实施例仅用于更加 清楚地说明本发明的技术方案,而不能以此来限制本发明的保护范围。
[0023] 实施例1
[0024] 一种含钙十字沸石保温砖,预备以下原料:铁矿尾渣60kg、钙十字沸石30kg、磷石 膏25kg、玻璃纤维20kg、改性硅藻土 15kg、加气铝粉10kg、双飞粉5kg、白乳胶10kg、硅钙渣 8kg、减水剂I kg、憎水剂I kg、发泡剂I kg、稳泡剂I kg;
[0025] 所述改性硅藻土由下列原料制成:硅藻土 30kg、钛白粉8kg、锌钡白4kg、木质素 3kg、膨胀珍珠岩10kg、三氯化铁6kg、正丁醛-苯胺缩合物3kg、氧化镨3kg、蜜蜡6kg;其制备 方法是将硅藻土置于5%的盐酸溶液中浸泡40分钟,抽滤后将所得物料烘干,再与膨胀珍珠 岩混合,在750°C下进行高温煅烧1小时,取出冷却到室温后再与蜜蜡混合,通过研磨机研磨 成120目的细粉,最后与剩余材料混合,通过球磨使所有原料粉末充分分散混合均匀即可。
[0026] 其中,上述减水剂采用木质素磺酸钙;憎水剂采用有机硅乳液;稳泡剂采用硅树脂 聚醚乳液;发泡剂采用十二烷基硫酸钠。
[0027] 上述的一种含钙十字沸石保温砖的制备方法,按照以下步骤进行:
[0028] 1)按照规定量称取原料,将铁矿尾渣、钙十字沸石、磷石膏和硅钙渣共同输送至干 式球磨机内进行粉磨,磨至粒径< 2mm,得粉料;
[0029] 2)将所有原料混合加入重量比为8%的水输送至搅拌机中混合搅拌处理,搅拌转 速70r/min,搅拌时间为50min,得衆料;
[0030] 3)将所述浆料倒入模具中,通过压力机进行压制成型;
[0031] 4)将成型后的保温砖置于干燥室温的条件下自然养护2天;
[0032] 5)将养护后的保温砖放置于高温烘干机内进行高温烘干处理,且烘干温度设定为 75°(:,烘干时间2411;
[0033] 6)将烘干后的保温砖放置于高温煅烧炉中进行高温煅烧处理,即制得本发明的含 钙十字沸石保温砖,且高温煅烧的温度为1100°c,高温煅烧时间为12h。
[0034] 实施例2
[0035] 一种含钙十字沸石保温砖,预备以下原料:铁矿尾渣70kg、钙十字沸石40kg、磷石 膏30kg、玻璃纤维25kg、改性硅藻土20kg、加气铝粉15kg、双飞粉10kg、白乳胶15kg、硅钙渣 IOkg、减水剂3kg、憎水剂3kg、发泡剂2kg、稳泡剂2kg;
[0036] 所述改性硅藻土由下列原料制成:硅藻土 30kg、钛白粉8kg、锌钡白4kg、木质素 3kg、膨胀珍珠岩10kg、三氯化铁6kg、正丁醛-苯胺缩合物3kg、氧化镨3kg、蜜蜡6kg;其制备 方法是将硅藻土置于8%的盐酸溶液中浸泡50分钟,抽滤后将所得物料烘干,再与膨胀珍珠 岩混合,在780°C下进行高温煅烧1.5小时,取出冷却到室温后再与蜜蜡混合,通过研磨机研 磨成140目的细粉,最后与剩余材料混合,通过球磨使所有原料粉末充分分散混合均匀即 可。
[0037] 其中,上述减水剂采用木质素磺酸钙和聚丙烯酸钠两种混合物,且两者之间的质 量比为1:1;憎水剂采用有机硅乳液;稳泡剂采用聚丙烯酰胺和聚乙烯醇两种混合物,且两 者之间的质量比为1:2;发泡剂采用松香和苯磺酸钠两种混合物,且两者之间的质量比为1: 1〇
[0038] 上述的一种含钙十字沸石保温砖的制备方法,按照以下步骤进行:
[0039] 1)按照重量份配比称重配料,将铁矿尾渣、钙十字沸石、磷石膏和硅钙渣共同输送 至干式球磨机内进行粉磨,磨至粒径< 2_,得粉料;
[0040] 2)将所有原料混合加入重量比为10%的水输送至搅拌机中混合搅拌处理,搅拌转 速75r/min,搅拌时间为55min,得衆料;
[0041] 3)将所述浆料倒入模具中,通过压力机进行压制成型;
[0042] 4)将成型后的保温砖置于干燥室温的条件下自然养护3天;
[0043] 5)将养护后的保温砖放置于高温烘干机内进行高温烘干处理,且烘干温度设定为 80°(:,烘干时间2811;
[0044] 6)将烘干后的保温砖放置于高温煅烧炉中进行高温煅烧处理,即制得本发明的含 钙十字沸石保温砖,且高温煅烧的温度为1200°C,高温煅烧时间为14h。
[0045] 实施例3
[0046] 一种含钙十字沸石保温砖,预备以下原料:铁矿尾渣80kg、钙十字沸石50kg、磷石 膏35kg、玻璃纤维30kg、改性硅藻土25kg、加气铝粉20kg、双飞粉15kg、白乳胶20kg、硅钙渣 12kg、减水剂5kg、憎水剂5kg、发泡剂3kg、稳泡剂3kg;
[0047] 所述改性硅藻土由下列原料制成:硅藻土 30kg、钛白粉8kg、锌钡白4kg、木质素 3kg、膨胀珍珠岩10kg、三氯化铁6kg、正丁醛-苯胺缩合物3kg、氧化镨3kg、蜜蜡6kg;其制备 方法是将硅藻土置于10%的盐酸溶液中浸泡60分钟,抽滤后将所得物料烘干,再与膨胀珍 珠岩混合,在800°C下进行高温煅烧2小时,取出冷却到室温后再与蜜蜡混合,通过研磨机研 磨成160目的细粉,最后与剩余材料混合,通过球磨使所有原料粉末充分分散混合均匀即 可。
[0048] 其中,上述减水剂采用木质素磺酸钙和氨基磺酸钠两种混合物,且两者之间的质 量比为1:1;憎水剂采用有机硅乳液;稳泡剂采用聚丙烯酰胺;发泡剂采用苯磺酸钠。
[0049] 上述的一种含钙十字沸石保温砖的制备方法,按照以下步骤进行:
[0050] 1)按照重量份配比称重配料,将铁矿尾渣、钙十字沸石、磷石膏和硅钙渣共同输送 至干式球磨机内进行粉磨,磨至粒径< 2_,得粉料;
[0051] 2)将所有原料混合加入重量比为12%的水输送至搅拌机中混合搅拌处理,搅拌转 速80r/min,搅拌时间为60min,得衆料;
[0052] 3)将所述浆料倒入模具中,通过压力机进行压制成型;
[0053] 4)将成型后的保温砖置于干燥室温的条件下自然养护4天;
[0054] 5)将养护后的保温砖放置于高温烘干机内进行高温烘干处理,且烘干温度设定为 85°(:,烘干时间3211;
[0055] 6)将烘干后的保温砖放置于高温煅烧炉中进行高温煅烧处理,即制得本发明的含 钙十字沸石保温砖,且高温煅烧的温度为1300°C,高温煅烧时间为16h。
[0056] 性能检测
[0057] 对本发明实施例1-3制得的保温板命名保温砖1、保温砖2、保温砖3,根据GB26538-2011保温砖性能指标进行抗压强度、干密度检测、抗风化性、抗冻性检测,检测数据见下表 1〇
[0058] 表1
Figure CN107021733AD00061
[0060] 其中,抗压强度等级:MU15.0>MU10.0>MU7.5>MU5.0>MU3.5,等级越高,抗压强 度越大;
[0061] 密度等级:700<800<900< 1000,等级越高,密度越大;
[0062] 抗风化性:饱和系数越大,抗风化性越强;
[0063] 抗冻性:Dl 5 <D25<D35<D50,等级越高,抗冻性越强。
[0064] 以上所述仅为本发明的优选实施例而已,并不用于限制本发明,尽管参照前述实 施例对本发明进行了详细的说明,对于本领域的技术人员来说,其依然可以对前述各实施 例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换。凡在本发明的精 神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。

Claims (8)

1. 一种含钙十字沸石保温砖,其特征在于,包括以下按重量份数计的原料:铁矿尾渣 60-80份、钙十字沸石30-50份、磷石膏25-35份、玻璃纤维20-30份、改性硅藻土 15-25份、加 气铝粉10-20份、双飞粉5-15份、白乳胶10-20份、硅钙渣8-12份、减水剂1-5份、憎水剂1-5 份、发泡剂1 -3份、稳泡剂1 -3份; 所述改性硅藻土由下列重量份的原料制成:硅藻土 30份、钛白粉8份、锌钡白4份、木质 素3份、膨胀珍珠岩10份、三氯化铁6份、正丁醛-苯胺缩合物3份、氧化镨3份、蜜蜡6份;其制 备方法是将硅藻土置于5%-10%的盐酸溶液中浸泡40-60分钟,抽滤后将所得物料烘干,再 与膨胀珍珠岩混合,在750-800°C下进行高温煅烧1-2小时,取出冷却到室温后再与蜜蜡混 合,通过研磨机研磨成120-160目的细粉,最后与剩余材料混合,通过球磨使所有原料粉末 充分分散混合均匀即可。
2. 根据权利要求1所述的一种含钙十字沸石保温砖,其特征在于,包括以下按重量份数 计的原料:铁矿尾渣70份、钙十字沸石40份、磷石膏30份、玻璃纤维25份、改性硅藻土 20份、 加气铝粉15份、双飞粉10份、白乳胶15份、硅钙渣10份、减水剂3份、憎水剂3份、发泡剂2份、 稳泡剂2份。
3. 根据权利要求1任意所述的一种含钙十字沸石保温砖,其特征在于,所述减水剂为木 质素磺酸钙、聚丙烯酸钠或氨基磺酸钠中的一种或者几种按任意配比的混合物。
4. 根据权利要求1所述的一种含钙十字沸石保温砖,其特征在于,所述憎水剂为有机硅 乳液。
5. 根据权利要求1所述的一种含钙十字沸石保温砖,其特征在于,所述稳泡剂为硅树脂 聚醚乳液、聚丙烯酰胺或聚乙烯醇中的一种或者几种按任意配比的混合物。
6. 根据权利要求1所述的一种含钙十字沸石保温砖,其特征在于,所述发泡剂为十二烷 基硫酸钠、松香或苯磺酸钠中的一种或者几种按任意配比的混合物。
7. —种如权利要求1-6任意一项所述的含钙十字沸石保温砖的制备方法,其特征在于, 包括以下步骤: 1) 按照重量份配比称重配料,将铁矿尾渣、钙十字沸石、磷石膏和硅钙渣共同输送至干 式球磨机内进行粉磨,磨至粒径< 2mm,得粉料; 2) 将所有原料混合加入重量比为8-12%的水输送至搅拌机中混合搅拌处理,搅拌转速 70-80r/min,搅拌时间为50-60min,得浆料; 3) 将所述浆料倒入模具中,通过压力机进行压制成型; 4) 将成型后的保温砖置于干燥室温的条件下自然养护2-4天; 5) 将养护后的保温砖放置于高温烘干机内进行高温烘干处理,且烘干温度设定为75-85°C,烘干时间24-32h; 6) 将烘干后的保温砖放置于高温煅烧炉中进行高温煅烧处理,即可。
8. 根据权利要求7所述的一种含钙十字沸石保温砖的制备方法,其特征在于,所述步骤 6)中高温煅烧的温度为1100-1300°C,高温煅烧时间为12-16h。
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