CN106007777A - 一种多孔陶瓷及其制备方法 - Google Patents

一种多孔陶瓷及其制备方法 Download PDF

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CN106007777A
CN106007777A CN201610320034.8A CN201610320034A CN106007777A CN 106007777 A CN106007777 A CN 106007777A CN 201610320034 A CN201610320034 A CN 201610320034A CN 106007777 A CN106007777 A CN 106007777A
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CN106007777B (zh
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王维娜
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MEIZHOU XISHAN CERAMICS CO Ltd
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Abstract

本发明公开了一种多孔陶瓷，由以下按照重量份的原料组成：长石粉22‑38份、石英粉13‑28份、陶土22‑45份、三氧化二铁4‑6份、二氧化锰2‑4份、三氧化二钴1‑3份和海藻酸钠8‑15份。该发明还公布了该多孔陶瓷的制备方法。本发明的多孔陶瓷生产工艺简单，工艺过程无毒无污染，原料成本低，微观组织晶粒细小，气孔分布均匀产品的耐压强度高，该产品中三氧化二铁、二氧化锰和三氧化二钴起到杂质效应，可以调节产品的电子与离子的浓度比例，使得产品的气孔率高。

Description

一种多孔陶瓷及其制备方法
技术领域
本发明涉及一种陶瓷，具体是一种多孔陶瓷。
背景技术
陶瓷是以天然粘土以及各种天然矿物为主要原料经过粉碎混炼、成型和煅烧制得的材料的各种制品。陶瓷由于其具有类似于金属的强度、丰富的装饰效果、良好的耐磨性、化学稳定性和耐腐蚀性等优点，陶瓷制品大量应用在我们的生活和生产中。多孔陶瓷就是陶瓷的一种，多孔陶瓷是一种经高温烧成，体内具有大量彼此相通或闭合气孔的陶瓷材料，它具有耐腐蚀、孔道分布均匀、发达的比表面积、良好的透过性能和生物相容性等特点。因此，它被广泛用于化工、石油、冶炼、纺织、制药、食品机械、水泥等领域，譬如污水净化、熔融金属及酸碱溶液的过滤分离、催化剂载体等等。但是现有的多孔陶瓷存在着耐压强度低、气孔率不高和生产成本高等不足。
发明内容
本发明的目的在于提供一种多孔陶瓷，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：
一种多孔陶瓷，由以下按照重量份的原料组成：长石粉22-38份、石英粉13-28份、陶土22-45份、三氧化二铁4-6份、二氧化锰2-4份、三氧化二钴1-3份和海藻酸钠8-15份。
作为本发明进一步的方案：由以下按照重量份的原料组成：长石粉27-38份、石英粉19-28份、陶土31-45份、三氧化二铁5-6份、二氧化锰3-4份、三氧化二钴2-3份和海藻酸钠11-15份。
作为本发明进一步的方案：由以下按照重量份的原料组成：长石粉34份、石英粉23份、陶土38份、三氧化二铁6份、二氧化锰4份、三氧化二钴3份和海藻酸钠14份。
所述多孔陶瓷的制备方法，具体步骤如下：
步骤一，将陶土在1050-1180摄氏度煅烧2-5小时后进行研磨并且过80-100目筛，得到煅烧陶土；
步骤二，将长石粉、石英粉和煅烧陶土加水混合，搅拌均匀，得到第一混合物料；
步骤三，三氧化二铁、二氧化锰和三氧化二钴在球磨机中球磨搅拌均匀，得到第二混合物料；
步骤四，将海藻酸钠溶于1-3倍的水得到海藻酸钠溶液，将海藻酸钠溶液、第一混合物料和第二混合物料混合，球磨得到浆料，把浆料在60-85摄氏度的烘干箱中烘干，得到最终原料；
步骤五，将原料放入模具中挤压成型，然后放入1100-1450摄氏度的高温炉中2-6小时，然后随炉冷却即可得到该产品。
与现有技术相比，本发明的有益效果是：本发明的多孔陶瓷生产工艺简单，工艺过程无毒无污染，原料成本低，微观组织晶粒细小，气孔分布均匀产品的耐压强度高，该产品中三氧化二铁、二氧化锰和三氧化二钴起到杂质效应，可以调节产品的电子与离子的浓度比例，使得产品的气孔率高。
具体实施方式
下面结合具体实施方式对本专利的技术方案作进一步详细地说明。
实施例1
一种多孔陶瓷，由以下按照重量份的原料组成：长石粉22份、石英粉13份、陶土22份、三氧化二铁4份、二氧化锰2份、三氧化二钴1份和海藻酸钠8份。
所述多孔陶瓷的制备方法，具体步骤如下：
步骤一，将陶土在1050摄氏度煅烧2小时后进行研磨并且过80目筛，得到煅烧陶土；
步骤二，将长石粉、石英粉和煅烧陶土加水混合，搅拌均匀，得到第一混合物料；
步骤三，三氧化二铁、二氧化锰和三氧化二钴在球磨机中球磨搅拌均匀，得到第二混合物料；
步骤四，将海藻酸钠溶于1倍的水得到海藻酸钠溶液，将海藻酸钠溶液、第一混合物料和第二混合物料混合，球磨得到浆料，把浆料在60摄氏度的烘干箱中烘干，得到最终原料；
步骤五，将原料放入模具中挤压成型，然后放入1100摄氏度的高温炉中2小时，然后随炉冷却即可得到该产品。
实施例2
一种多孔陶瓷，由以下按照重量份的原料组成：长石粉27份、石英粉19份、陶土31份、三氧化二铁5份、二氧化锰3份、三氧化二钴2份和海藻酸钠11份。
所述多孔陶瓷的制备方法，具体步骤如下：
步骤一，将陶土在1080摄氏度煅烧3小时后进行研磨并且过90目筛，得到煅烧陶土；
步骤二，将长石粉、石英粉和煅烧陶土加水混合，搅拌均匀，得到第一混合物料；
步骤三，三氧化二铁、二氧化锰和三氧化二钴在球磨机中球磨搅拌均匀，得到第二混合物料；
步骤四，将海藻酸钠溶于2倍的水得到海藻酸钠溶液，将海藻酸钠溶液、第一混合物料和第二混合物料混合，球磨得到浆料，把浆料在70摄氏度的烘干箱中烘干，得到最终原料；
步骤五，将原料放入模具中挤压成型，然后放入1250摄氏度的高温炉中4小时，然后随炉冷却即可得到该产品。
实施例3
一种多孔陶瓷，由以下按照重量份的原料组成：长石粉34份、石英粉23份、陶土38份、三氧化二铁6份、二氧化锰4份、三氧化二钴3份和海藻酸钠14份。
所述多孔陶瓷的制备方法，具体步骤如下：
步骤一，将陶土在1140摄氏度煅烧4小时后进行研磨并且过100目筛，得到煅烧陶土；
步骤二，将长石粉、石英粉和煅烧陶土加水混合，搅拌均匀，得到第一混合物料；
步骤三，三氧化二铁、二氧化锰和三氧化二钴在球磨机中球磨搅拌均匀，得到第二混合物料；
步骤四，将海藻酸钠溶于3倍的水得到海藻酸钠溶液，将海藻酸钠溶液、第一混合物料和第二混合物料混合，球磨得到浆料，把浆料在80摄氏度的烘干箱中烘干，得到最终原料；
步骤五，将原料放入模具中挤压成型，然后放入1380摄氏度的高温炉中5小时，然后随炉冷却即可得到该产品。
实施例4
一种多孔陶瓷，由以下按照重量份的原料组成：长石粉38份、石英粉28份、陶土45份、三氧化二铁6份、二氧化锰4份、三氧化二钴3份和海藻酸钠15份。
所述多孔陶瓷的制备方法，具体步骤如下：
步骤一，将陶土在1180摄氏度煅烧5小时后进行研磨并且过100目筛，得到煅烧陶土；
步骤二，将长石粉、石英粉和煅烧陶土加水混合，搅拌均匀，得到第一混合物料；
步骤三，三氧化二铁、二氧化锰和三氧化二钴在球磨机中球磨搅拌均匀，得到第二混合物料；
步骤四，将海藻酸钠溶于3倍的水得到海藻酸钠溶液，将海藻酸钠溶液、第一混合物料和第二混合物料混合，球磨得到浆料，把浆料在85摄氏度的烘干箱中烘干，得到最终原料；
步骤五，将原料放入模具中挤压成型，然后放入1450摄氏度的高温炉中6小时，然后随炉冷却即可得到该产品。
对比例1
除不含海藻酸钠外，其余配方及制备方法与实施例4一致。
本发明实施例4、对比例1的多孔陶瓷与现有的多孔陶瓷的性能比较入表1所示。
表1
由上表可以看出实施例4的材料由于对比例1和现有多孔陶瓷，即经过经过本发明的组分与制备方法制得的多孔陶瓷，具有良好的耐压强度和良好的气孔率。
上面对本专利的较佳实施方式作了详细说明，但是本专利并不限于上述实施方式，在本领域的普通技术人员所具备的知识范围内，还可以在不脱离本专利宗旨的前提下做出各种变化。

Claims (4)

1.一种多孔陶瓷，其特征在于，由以下按照重量份的原料组成：长石粉22-38份、石英粉13-28份、陶土22-45份、三氧化二铁4-6份、二氧化锰2-4份、三氧化二钴1-3份和海藻酸钠8-15份。
2.根据权利要求1所述的多孔陶瓷，其特征在于，由以下按照重量份的原料组成：长石粉27-38份、石英粉19-28份、陶土31-45份、三氧化二铁5-6份、二氧化锰3-4份、三氧化二钴2-3份和海藻酸钠11-15份。
3.根据权利要求1所述的多孔陶瓷，其特征在于，由以下按照重量份的原料组成：由以下按照重量份的原料组成：长石粉34份、石英粉23份、陶土38份、三氧化二铁6份、二氧化锰4份、三氧化二钴3份和海藻酸钠14份。
4.一种如权利要求1-3任一所述的多孔陶瓷的制备方法，其特征在于，具体步骤如下：
步骤一，将陶土在1050-1180摄氏度煅烧2-5小时后进行研磨并且过80-100目筛，得到煅烧陶土；
步骤二，将长石粉、石英粉和煅烧陶土加水混合，搅拌均匀，得到第一混合物料；
步骤三，三氧化二铁、二氧化锰和三氧化二钴在球磨机中球磨搅拌均匀，得到第二混合物料；
步骤四，将海藻酸钠溶于1-3倍的水得到海藻酸钠溶液，将海藻酸钠溶液、第一混合物料和第二混合物料混合，球磨得到浆料，把浆料在60-85摄氏度的烘干箱中烘干，得到最终原料；
步骤五，将原料放入模具中挤压成型，然后放入1100-1450摄氏度的高温炉中2-6小时，然后随炉冷却即可得到该产品。
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