CN107399987A - 采用生物质粉料为造孔剂的多孔陶瓷 - Google Patents

采用生物质粉料为造孔剂的多孔陶瓷 Download PDF

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CN107399987A
CN107399987A CN201710624431.9A CN201710624431A CN107399987A CN 107399987 A CN107399987 A CN 107399987A CN 201710624431 A CN201710624431 A CN 201710624431A CN 107399987 A CN107399987 A CN 107399987A
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李洁峰
成贵华
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Jiujiang Hui Tai Technology Co Ltd
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Abstract

本发明涉及陶瓷技术领域,尤其涉及一种采用生物质粉料为造孔剂的多孔陶瓷,按重量份表示,其原料组成为:堇青石粉50~75份;黑泥粉5~10份;煤粉10~20份;生物质粉料10~30份;羟丙基甲基纤维素0.5~5份;润滑剂8~20份;硬脂酸0.8~2.5份;水20~30份。本发明采用生物质粉料做造孔剂,同时用煤粉辅助造孔,本发明的陶瓷产品,其孔隙率较之传统技术提高了10—15个百分点。

Description

采用生物质粉料为造孔剂的多孔陶瓷
技术领域
本发明涉及陶瓷技术领域,尤其涉及一种采用生物质粉料为造孔剂的多孔陶瓷。
背景技术
在陶瓷制品中,尤其是陶瓷板,其孔隙率大小对于其产品性能有很大影响,孔隙率高的产品,其透气性、热稳定性高,且其密度较低,适用于生产陶瓷加热器的加热部件。同时,传统的陶瓷生产工艺中,常用石蜡做润滑剂,在高温烧制时,容易对环境造成污染。
发明内容
本发明的目的在于克服现有技术的不足,适应现实需要,提供一种采用生物质粉料为造孔剂的多孔陶瓷。
为了实现本发明的目的,本发明采用的技术方案为:
一种采用生物质粉料为造孔剂的多孔陶瓷,按重量份表示,其原料组成为
堇青石粉 50~75 份;
黑泥粉 5~10 份;
煤粉 10~20 份;
生物质粉料10~30 份;
羟丙基甲基纤维素0.5~5 份;
润滑剂8~20份;
硬脂酸 0.8~2.5份;
水 20~30份。
所述生物质粉料为稻壳粉、麦壳粉、核桃壳粉、花生壳粉、秸秆粉、树枝、干草中的一种或数种的混合物。
所述各种粉料的粒度为30~150目。
所述润滑剂为煤油或牛油或桐油中的一种或数种的混合物。
所述润滑剂按重量份表示,包含
煤油 2~5份;
牛油 4~8份;
桐油 2~5份。
本发明的有益效果在于:
1.采用生物质粉料做造孔剂,同时用煤粉辅助造孔,本发明的陶瓷产品,其孔隙率较之传统技术提高了10—15个百分点;
2.采用煤油、牛油、桐油做润滑剂,取代了传统技术中的石蜡润滑,使得陶瓷产品更容易脱模,并且烧制过程中不易产生污染气体排放。
具体实施方式
下面结合实施例对本发明进一步说明:
实施例一:
本发明公开了一种采用生物质粉料为造孔剂的多孔陶瓷,本实施例中,按重量份表示,其原料组成为:
堇青石粉50 份,黑泥粉 5份,煤粉10份;生物质粉料10份,本实施例中,采用稻壳粉做生物质粉料,羟丙基甲基纤维素0.5份,润滑剂8份,硬脂酸 0.8份;水20份。本实施例的润滑剂含煤油2份,牛油4份,桐油2份。
将上述原料中的粉料过30目筛,确保各粉料粒度均匀;将煤油、硬脂酸、牛油、桐油热熔备用。
将所有的物料在捏合机中捏合半小时,将捏合好的泥料送入真空练泥机中混练,陈腐,然后倒入模具中成型,冷却,脱模,烧制后即成为本案的多孔陶瓷。
采用生物质粉料作为造孔剂,由于生物质燃料的韧性较好,脆性较差,在粉碎过程中,不易将其破碎为粉末状。因此加入了脆性较好的煤粉,与生物质粉料相比,破碎后的粒径更小,更为均匀,因此在原料捏合、混练时,能够尽可能的将生物质粉料混合均匀。在烧制过程中,生物质粉料会燃烧挥发,留下多个气孔,煤粉与其配合使用,煤粉燃烧后挥发分析出,也留下多个气孔,与生物质粉料配合,提高了陶瓷产品的孔隙率。
本实施例的多孔陶瓷,其孔隙率达到了60%。
实施例二:
本实施例中,其原料组成为:
堇青石粉60 份,黑泥粉8份,煤粉 16份;生物质粉料20份,本实施例中,采用玉米秸秆做原料制作生物质粉料,羟丙基甲基纤维素1份,润滑剂13份,硬脂酸 2份;水25份。本实施例的润滑剂含煤油4份,牛油5份,桐油4份。
本实施例各种粉料的粒度为50目。
本实施例的多孔陶瓷,孔隙率为62%。
实施例三:
本实施例中,其原料组成为:
堇青石粉75 份,黑泥粉 10份,煤粉20份;生物质粉料30份,本实施例中,采用干草磨粉做原料制作生物质粉料,羟丙基甲基纤维素3份,润滑剂20份,硬脂酸 2.5份;水25份。本实施例的润滑剂含煤油6份,牛油8份,桐油6份。
本实施例各种粉料的粒度为100目。
本实施例的多孔陶瓷,其孔隙率为65%。
实施例四:
本实施例中,其原料组成为:
堇青石粉65 份,黑泥粉 8份,煤粉14份;生物质粉料23份,本实施例中,采用稻壳、干树枝的混合物做原料制作生物质粉料,其中稻壳10份,干树枝13份,羟丙基甲基纤维素5份,润滑剂15份,硬脂酸 2.5份;水25份。本实施例的润滑剂含煤油6份,牛油3份,桐油6份。
本实施例的多孔陶瓷,其孔隙率为62%。
本实施例中各种粉料的粒度为150目。
所述生物质粉料也可为核桃壳粉、花生壳粉,以及其他常见的可以磨粉的果实外壳、枝叶等可燃性干性粉料。
以上所述仅为本发明的实施例,并非因此限制本发明的专利范围,凡是利用本发明说明书内容所作的等同变换或直接或间接运用在相关的技术领域,均同理包括在本发明的专利保护范围内。

Claims (5)

1.一种采用生物质粉料为造孔剂的多孔陶瓷,其特征在于:按重量份表示,其原料组成为
堇青石粉 50~75份;
黑泥粉 5~10份;
煤粉 10~20份;
生物质粉料 10~30份;
羟丙基甲基纤维素 0.5~5份;
润滑剂 8~20份;
硬脂酸 0.8~2.5份;
水 20~30份。
2.根据权利要求1所述的采用生物质粉料为造孔剂的多孔陶瓷,其特征在于:所述生物质粉料为稻壳粉、麦壳粉、核桃壳粉、花生壳粉、秸秆粉、树枝、干草中的一种或数种的混合物。
3.根据权利要求1或权利要求2所述的采用生物质粉料为造孔剂的多孔陶瓷,其特征在于:所述各种粉料的粒度为30~150目。
4.根据权利要求1所述的采用生物质粉料为造孔剂的多孔陶瓷,其特征在于:所述润滑剂为煤油或牛油或桐油中的一种或数种的混合物。
5.根据权利要求4所述的采用生物质粉料为造孔剂的多孔陶瓷,其特征在于:所述润滑剂按重量份表示,包含
煤油 2~5份;
牛油 4~8份;
桐油 2~5份。
CN201710624431.9A 2017-07-27 2017-07-27 采用生物质粉料为造孔剂的多孔陶瓷 Pending CN107399987A (zh)

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CN107626926A (zh) * 2017-10-30 2018-01-26 成都先进金属材料产业技术研究院有限公司 秸秆作为造孔剂在制备金属多孔材料中的用途
CN109467423A (zh) * 2018-12-21 2019-03-15 福建龙净环保股份有限公司 一种陶瓷纤维增强耐高温气体过滤材料及其制备方法
CN111943711A (zh) * 2020-08-11 2020-11-17 鞍钢建设集团有限公司 一种环保型陶粒用复合造孔剂及其生产工艺
CN113749305A (zh) * 2021-10-15 2021-12-07 东莞市华佳宇电子科技有限公司 一种电子烟多孔陶瓷雾化芯及其制备方法

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CN107626926A (zh) * 2017-10-30 2018-01-26 成都先进金属材料产业技术研究院有限公司 秸秆作为造孔剂在制备金属多孔材料中的用途
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CN113749305A (zh) * 2021-10-15 2021-12-07 东莞市华佳宇电子科技有限公司 一种电子烟多孔陶瓷雾化芯及其制备方法
CN113749305B (zh) * 2021-10-15 2024-04-19 东莞市华佳宇电子科技有限公司 一种电子烟多孔陶瓷雾化芯及其制备方法

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