CN106082987A - 一种具有热电效应的瓷砖及其制备方法 - Google Patents

一种具有热电效应的瓷砖及其制备方法 Download PDF

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CN106082987A
CN106082987A CN201610420736.3A CN201610420736A CN106082987A CN 106082987 A CN106082987 A CN 106082987A CN 201610420736 A CN201610420736 A CN 201610420736A CN 106082987 A CN106082987 A CN 106082987A
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ceramic tile
rotating speed
stone
temperature
pyroelectric effect
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郑辉
郭孝建
王俊武
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ANHUI YA'OU CERAMIC Co Ltd
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Abstract

本发明公开了一种具有热电效应的瓷砖及其制备方法，其由以下重量份的原料制成：明矾石14‑22、奇冰石15‑20、闪锌石18‑26、绿泥石22‑29、硅藻土15‑24、火山碎屑岩21‑27、双飞粉20‑25、动物骨灰10‑15、珍珠岩16‑23、钠长石23‑30、海泥12‑18、废旧耐火砖24‑32、铝铬渣19‑28。本发明选用具有明显的热电效应的明矾石、奇冰石、闪锌石为原料，加入到瓷砖中，使其在与空气接触中，受热时可发生极化，并向外放电，起到净化室内空气的作用。本发明瓷砖还具有优良的耐热性、耐候性、耐水性和耐腐蚀性。

Description

一种具有热电效应的瓷砖及其制备方法
技术领域
本发明涉及一种瓷砖及其制备方法，具体涉及一种具有热电效应的瓷砖及其制备方法。
背景技术
我国现代瓷砖产业的发展起源于20世纪，起初陶瓷砖产品的品种单一，只有内墙砖(俗称瓷片)一种产品，产量较小，自动化程度很低，后来逐渐出现锦砖、耐酸砖、彩釉砖等产品。从20世纪80年代开始，瓷砖产业开始迅猛发展起来，现该行业已成为建筑材料中的一支主力军,瓷砖产品已广泛地用于家庭、商业建筑以及公共设施上，产品也呈现出多功能、多花色品种、多装饰效果的发展趋势。随着我国建筑行业的快速发展以及人们生活水平的不断提高，人们对瓷砖的性能要求日益苛刻，且对瓷砖的保健功能越来越重视，目前国内有关具有热电效应的瓷砖产品在市场上很少见到。
发明内容
本发明的目的在于提供一种具有热电效应的瓷砖及其制备方法。
为实现上述目的，本发明采用如下的技术方案：
一种具有热电效应的瓷砖，由以下重量份的原料制成：明矾石14-22、奇冰石15-20、闪锌石18-26、绿泥石22-29、硅藻土15-24、火山碎屑岩21-27、双飞粉20-25、动物骨灰10-15、珍珠岩16-23、钠长石23-30、海泥12-18、废旧耐火砖24-32、铝铬渣19-28。
一种具有热电效应的瓷砖的制备方法，包括以下步骤：
(1)将绿泥石、铝铬渣、废旧耐火砖混合，粉碎，过60-90目筛，加入适量的水搅拌制成50-60％的浆液，在600-900r/min的转速下研磨0.5-1.5h，然后将球磨后的浆料以0.1-0.3Mpa的压力送入喷雾干燥造粒机中喷雾造粒，离心转盘转速为2000-3000r/min，喷雾干燥造粒机的进口温度为190-240℃，出口温度120-160℃，最后将所得的颗粒过80-120目筛，再在900-950℃温度下焙烧1.5-2.5h，冷却至室温，得物料A；
(2)取火山碎屑岩、珍珠岩、钠长石混合均匀，加热熔化成熔融液，然后采用压力为1.4-2.2MPa、气流速度为12-16m/s的高压高速空气将熔融液喷吹成絮状纤维，得物料B；
(3)将明矾石、奇冰石、闪锌石混合均匀，粉碎，过100-150目筛，然后加入硅藻土、双飞粉、动物骨灰、海泥等原料，在1200-1800r/min的转速下球磨25-30min，得物料C；
(4)将上述制得的物料A、物料B、物料C混合，在500-800r/min的转速下搅拌8-14min，然后加入相当于混合料重量6-10％的固含量为30％的水玻璃，在1600-2200r/min的转速下搅拌5-8min，静置15-25h后送入到成型机在60-70MPa的压力下压制成型，然后将压制好的砖坯在80-90℃的温度下干燥至含水量低于2％；
(5)将烘干后的砖坯置于马弗炉内进行煅烧：先以2-4℃/min的速率升温至450-500℃，保温0.5-1h，再以1-3℃/min的速率升温至720-780℃，保温1-2h，再以3-5℃/min的速率升温至960-1020℃，保温2-3h；再置于微波煅烧炉内进行煅烧：先控制微波功率在400-500W，煅烧45-55min，再控制微波功率在800-900W，煅烧20-30min，随炉冷却至室温，即得成品。
本发明的有益效果：
本发明选用具有明显的热电效应的明矾石、奇冰石、闪锌石为原料，加入到瓷砖中，使其在与空气接触中，受热时可发生极化，并向外放电，起到净化室内空气的作用。本发明瓷砖还具有优良的耐热性、耐候性、耐水性和耐腐蚀性。
具体实施方式
一种具有热电效应的瓷砖，由以下重量(kg)的原料制成：明矾石18、奇冰石16、闪锌石22、绿泥石25、硅藻土19、火山碎屑岩24、双飞粉23、动物骨灰12、珍珠岩20、钠长石26、海泥15、废旧耐火砖28、铝铬渣24。
一种具有热电效应的瓷砖的制备方法，包括以下步骤：
(1)将绿泥石、铝铬渣、废旧耐火砖混合，粉碎，过80目筛，加入适量的水搅拌制成55％的浆液，在800r/min的转速下研磨1h，然后将球磨后的浆料以0.2Mpa的压力送入喷雾干燥造粒机中喷雾造粒，离心转盘转速为2500r/min，喷雾干燥造粒机的进口温度为230℃，出口温度140℃，最后将所得的颗粒过100目筛，再在920℃温度下焙烧2h，冷却至室温，得物料A；
(2)取火山碎屑岩、珍珠岩、钠长石混合均匀，加热熔化成熔融液，然后采用压力为1.8MPa、气流速度为14m/s的高压高速空气将熔融液喷吹成絮状纤维，得物料B；
(3)将明矾石、奇冰石、闪锌石混合均匀，粉碎，过120目筛，然后加入硅藻土、双飞粉、动物骨灰、海泥等原料，在1600r/min的转速下球磨28min，得物料C；
(4)将上述制得的物料A、物料B、物料C混合，在600r/min的转速下搅拌10min，然后加入相当于混合料重量8％的固含量为30％的水玻璃，在1800r/min的转速下搅拌7min，静置20h后送入到成型机在65MPa的压力下压制成型，然后将压制好的砖坯在85℃的温度下干燥至含水量低于2％；
(5)将烘干后的砖坯置于马弗炉内进行煅烧：先以3℃/min的速率升温至480℃，保温0.5h，再以2℃/min的速率升温至760℃，保温1.5h，再以4℃/min的速率升温至990℃，保温2.5h；再置于微波煅烧炉内进行煅烧：先控制微波功率在450W，煅烧50min，再控制微波功率在850W，煅烧25min，随炉冷却至室温，即得成品。
上述实施例生产出来的瓷砖的性能检测结果如下表所示：
项目 单位 检测结果
破坏强度 N 1912
断裂模数 MPa 33
吸水率 ％ 0.21
热膨胀系数 m/m·k 6.9×10-6

Claims (2)

1.一种具有热电效应的瓷砖，其特征在于，由以下重量份的原料制成：明矾石14-22、奇冰石15-20、闪锌石18-26、绿泥石22-29、硅藻土15-24、火山碎屑岩21-27、双飞粉20-25、动物骨灰10-15、珍珠岩16-23、钠长石23-30、海泥12-18、废旧耐火砖24-32、铝铬渣19-28。
2.一种如权利要求1所述的具有热电效应的瓷砖的制备方法，其特征在于，包括以下步骤：
（1）将绿泥石、铝铬渣、废旧耐火砖混合，粉碎，过60-90目筛，加入适量的水搅拌制成50-60%的浆液，在600-900r/min的转速下研磨0.5-1.5h，然后将球磨后的浆料以0.1-0.3Mpa的压力送入喷雾干燥造粒机中喷雾造粒，离心转盘转速为2000-3000r/min，喷雾干燥造粒机的进口温度为190-240℃，出口温度120-160℃，最后将所得的颗粒过80-120目筛，再在900-950℃温度下焙烧1.5-2.5h，冷却至室温，得物料A；
（2）取火山碎屑岩、珍珠岩、钠长石混合均匀，加热熔化成熔融液，然后采用压力为1.4-2.2MPa、气流速度为12-16m/s的高压高速空气将熔融液喷吹成絮状纤维，得物料B；
（3）将明矾石、奇冰石、闪锌石混合均匀，粉碎，过100-150目筛，然后加入硅藻土、双飞粉、动物骨灰、海泥等原料，在1200-1800r/min的转速下球磨25-30min，得物料C；
（4）将上述制得的物料A、物料B、物料C混合，在500-800r/min的转速下搅拌8-14min，然后加入相当于混合料重量6-10%的固含量为30%的水玻璃，在1600-2200r/min的转速下搅拌5-8min，静置15-25h后送入到成型机在60-70MPa的压力下压制成型，然后将压制好的砖坯在80-90℃的温度下干燥至含水量低于2%；
（5）将烘干后的砖坯置于马弗炉内进行煅烧：先以2-4℃/min的速率升温至450-500℃，保温0.5-1h，再以1-3℃/min的速率升温至720-780℃，保温1-2h，再以3-5℃/min的速率升温至960-1020℃，保温2-3h；再置于微波煅烧炉内进行煅烧：先控制微波功率在400-500W，煅烧45-55min，再控制微波功率在800-900W，煅烧20-30min，随炉冷却至室温，即得成品。
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