CN114031368A - 一种具有远红外辐射功能的低膨胀陶器产品及其制备方法 - Google Patents
一种具有远红外辐射功能的低膨胀陶器产品及其制备方法 Download PDFInfo
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Abstract
本发明公开了一种具有远红外辐射功能的低膨胀陶器产品,包括由坯料制成的陶器,所述坯料的原料组成为海泥10~25wt%,陶泥35~50wt%,堇青石5~10wt%,洗泥10~20wt%,透锂长石15~25wt%,膨润土1~3wt%,熔融石英3~7wt%,氧化镧0.5~1.5wt%,氧化铁3~8wt%。还公开了上述具有远红外辐射功能的低膨胀陶器产品的制备方法,包括以下步骤:将坯料的原料除了海泥、熔融石英和透锂长石外,把其它原料加入球磨机球磨,再将上述原料加入球磨机混料或搅拌均匀;经压滤脱水得到坯料,将坯料进行练泥、成型、干燥、烧成。本发明制得的产品具有以下优点:可以用来做茶餐具、酒具以及烹调炊具等陶器产品,具有活水养生功能,促进人体或植物对营养的吸收,开拓了低膨胀陶器的应用领域,丰富了低膨胀陶器产品的种类,使陶器产品具有功能化。
Description
技术领域
本发明涉及陶瓷材料技术领域,尤其涉及一种具有远红外辐射功能的低膨胀陶器产品及其制备方法。
背景技术
海泥含有丰富的无机矿物质、胶体成分、海洋特有的有机质和微生物,海泥提取液具有抑菌和抗氧化活性。采用成分分析法,分析出海泥中含有的无机矿物有石英、蒙脱石、高岭石、斜长石、绿泥石、云母、方解石等陶瓷原料矿物,其颗粒物主要属于微米级颗粒物,并且颗粒是由纳米片堆积而成,具有多种对人体健康有益的微量元素,不仅仅含有大量的硅、钾、钠、铁、镁等矿物元素,还含有铜、锌、铬、镍、锰、硒等微量元素。海泥可以用来制备陶瓷制品,具有远红外辐射功能,实现废物利用。
我国的海泥非常丰富,可以将这些海泥矿固化到陶器产品中,不仅仅解决了海泥的处理问题,还开发出了具有养生保健功能的养生陶瓷器皿。目前,有不少研究人员在研究海泥,主要用在建筑用砖,用水泥将海泥废料固化建筑材料上。将海泥用到陶器产品的研究寥寥无几,由于海泥含有过渡金属氧化物,还有人体需要微量元素,结合低膨胀材料可以制备出具有远红外辐射功能的低膨胀陶瓷产品,用来烹调食物。
发明内容
本发明的目的在于如何利用海泥和低膨胀陶瓷材料,通过配方体系的设计,开发出生产简单,合格率高的具有远红外辐射功能的低膨胀陶器产品,低膨胀陶器产品,以利于促进低膨胀陶器产业的技术进步和应用发展。本发明的另一目的在于提供上述具有远红外辐射功能的低膨胀陶器产品的制备方法。
本发明的目的通过以下技术方案予以实现:
本发明提供的一种具有远红外辐射功能的低膨胀陶器产品,包括由坯料制成的陶器,所述坯料的原料组成为海泥10~25wt%,陶泥35~50wt%,堇青石5~10wt%,洗泥10~20wt%,透锂长石15~25wt%,膨润土1~3wt%,熔融石英3~7wt%,氧化镧0.5~1.5wt%,氧化铁3~8wt%。
进一步地,本发明所述海泥主要化学组成为(wt%):SiO2 62.9~68.2、Al2O3 18.2~27.1、CaO 0.2~0.4、MgO 0.6~0.9、Fe2O3 7.1~8.2、TiO2 2.3~2.8、K2O 1.2~1.8、Na2O0.4~0.6、MnO 0.5~0.8、ZnO 0.42~0.68、CuO 0.12~0.38、烧失量6.1~7.2,具有很好的粘性。
本发明的另一目的通过以下技术方案予以实现:
本发明提供的上述具有远红外辐射功能的低膨胀陶器的制备方法,包括以下步骤:
将坯料的原料除了海泥、熔融石英和透锂长石外,把其它原料加入球磨机球磨至细度:250目筛余为0.5~1.5%,而后再将海泥、熔融石英和透锂长石加入球磨机混料1小时或者放入搅拌池用搅拌机搅拌均匀;再经压滤脱水而得到坯料,然后将所述坯料进行练泥、成型、干燥、烧成;所述烧成采用氧化气氛慢烧工艺进行,在烧成温度1240℃~1260℃,保温时间为60min~90min的烧成条件下,即获得具有远红外辐射功能的低膨胀陶器产品。
本发明具有以下有益效果:
(1) 本发明具有远红外辐射功能的低膨胀陶器,有粗颗粒感,远红外辐射率为0.80~0.88,可以改变饮用水的PH值,PH值为7.04~7.16,呈现弱碱性,使人体更容易吸收,食物保持原汁原味。
(2) 本发明中引入透锂长石、堇青石和熔融石英三种低膨胀陶瓷材料复合,结合过渡金属氧化物,具有较低的膨胀系数和抗热震性能,膨胀系数可以达到1.78~2.22x10-6/℃,抗热震性能达到了300℃~20℃一次急冷不裂。
下面将结合实施例对本发明作进一步的详细描述。
具体实施方式
本发明一种具有远红外辐射功能的低膨胀陶器的部分实施例,其原料组成如表1所示。
表1 本发明实施例具有远红外辐射功能的低膨胀陶器产品的原料组成
海泥10~25wt%,陶泥35~50wt%,堇青石5~10wt%,洗泥10~20wt%,透锂长石15~25wt%,膨润土1~3wt%,熔融石英3~7wt%,氧化镧0.5~1.5wt%,氧化铁3~8wt%。
本发明上述实施例具有远红外辐射功能的低膨胀陶器的制备方法如下:
将坯料的原料除了海泥、熔融石英和透锂长石外,把其它原料加入球磨机球磨至细度:250目筛余为0.5~1.5%,而后再将海泥、熔融石英和透锂长石加入球磨机混料1小时或者放入搅拌池用搅拌机搅拌均匀;再经压滤脱水而得到坯料,然后将所述坯料进行练泥、成型、干燥、烧成;所述烧成采用氧化气氛慢烧工艺进行,在烧成温度1240℃~1260℃,保温时间为60min~90min的烧成条件下,即获得具有远红外辐射功能的低膨胀陶器产品。
本发明实施例具有远红外辐射功能的低膨胀陶器的制备方法,其工艺参数如表2所示。
表2 本发明实施例具有远红外辐射功能的低膨胀陶器烧成的工艺参数
注:球磨细度为250目筛余。
本发明实施例具有远红外辐射功能的低膨胀陶器的性能指标如表3所示。
表3 本发明实施例具有远红外辐射功能的低膨胀陶器的性能指标
Claims (3)
1.一种具有远红外辐射功能的低膨胀陶器产品,其特征在于:包括由坯料制成的陶器,所述坯料的原料组成为海泥10~25wt%,陶泥35~50wt%,堇青石5~10wt%,洗泥10~20wt%,透锂长石15~25wt%,膨润土1~3wt%,熔融石英3~7wt%,氧化镧0.5~1.5wt%,氧化铁3~8wt%。
2.根据权利要求1所述的一种具有远红外辐射功能的低膨胀陶器产品,其特征在于:所述海泥主要化学组成为(wt%):SiO2 62.9~68.2、Al2O3 18.2~27.1、CaO 0.2~0.4、MgO 0.6~0.9、Fe2O3 7.1~8.2、TiO2 2.3~2.8、K2O 1.2~1.8、Na2O 0.4~0.6、MnO 0.5~0.8、ZnO0.42~0.68、CuO 0.12~0.38、烧失量6.1~7.2,具有很好的粘性。
3.根据权利要求1所述的一种具有远红外辐射功能的低膨胀陶器产品的制备方法,将坯料的原料除了海泥、熔融石英和透锂长石外,把其它原料加入球磨机球磨至细度:250目筛余为0.5~1.5%,而后再将海泥、熔融石英和透锂长石加入球磨机混料1小时或者放入搅拌池用搅拌机搅拌均匀;再经压滤脱水而得到坯料,然后将所述坯料进行练泥、成型、干燥、烧成;所述烧成采用氧化气氛慢烧工艺进行,在烧成温度1240℃~1260℃,保温时间为60min~90min的烧成条件下,即获得具有远红外辐射功能的低膨胀陶器产品。
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