CN107032748A - 耐热日用陶瓷产品的生产方法 - Google Patents
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Abstract
本发明提供了一种耐热日用陶瓷产品的生产方法,其特征在于,包括以下生产步骤:(1)坯料制备;(2)釉料制备;(3)坯体成型;(4)素烧;(5)施釉;(6)烧成。本发明的方法制得的产品合格率高,耐热性能好,烧成范围宽且可以实现低温快烧,产品的抗热震性达到600℃投入20℃水中热交换一次不裂。
Description
技术领域
本发明涉及陶瓷领域,具体是一种耐热日用陶瓷产品的生产方法。
背景技术
近年来耐热日用陶瓷产品越来越受消费者的欢迎,市场需求增大,由于传统方法都是采用大量的锂辉石来生产耐热日用陶瓷,产品原料来源单一,造成锂辉石供不应求,且其抗热震性普遍不高,一般仅能通过300~20℃温度热交换,无法适应更高要求,限制了产品的使用。
发明内容
为解决上述问题,本发明提供了一种耐热日用陶瓷产品的生产方法,无需采用锂辉石,制成的产品耐热性能高(可耐600℃至20℃热交换一次不裂)。
本发明的耐热日用陶瓷产品的生产方法,其特征在于,包括以下生产步骤:
(1)坯料制备
取伊利石35重量份、铝矾土30重量份、透辉石15重量份、硅线石8重量份、尖晶石4重量份、蓝晶石2重量份、红柱石2重量份、石榴子石2重量份、蛇纹石2重量份作为坯料的原料;
将上述原料混和后加清水进行湿法球磨,经球磨原料通过除铁机除铁后过200目筛,经除铁过筛后的原料通过压滤机压滤成泥块,将泥块通过练泥机进行练泥,制备出质量含水率为21—23%的坯料备用;
(2)釉料制备
取伊利石28重量份、铝矾土24重量份、透辉石14重量份、尖晶石8重量份、硅灰石5重量份、海泡石5重量份、十字石5重量份、羟硅硼钙石5重量份、蓝晶石2重量份、红柱石2重量份、石榴子石2重量份作为釉料的原料;
将上述原料混和后加清水进行湿法球磨,经球磨原料通过除铁机除铁,经除铁后原料过320目筛,经过筛原料用清水调配成浓度为52波美度的釉料备用;
(3)坯体成型
取上述备用的坯料,按传统工艺进行坯体成型;
(4)素烧
对坯体采用常规的陶瓷烧成窑炉于800—850℃进行素烧5—6小时;
(5)施釉
对经素烧的坯体按传统工艺取上述备用的釉料进行施釉;
(6)烧成
对经施釉坯体采用常规的陶瓷烧成窑炉于1180—1280℃进行烧成8—12小时,即制得成品。
上述方法可以进一步优选为,将步骤(1)制成的坯料再以每50—100公斤揉成一个圆团,然后用石碾以0.8—2 Mpa(兆帕)的压强(所述压强可以通过对石碾质量和其与坯料圆团接触面积计算获得),以0.5—1米/秒的速度进行反复碾压10—15分钟后,再将坯料揉成圆团继续碾压,重复3—5次制得碾压后的坯料,制得最佳的坯料以备用。(此方式可以进一步改善产品的塑性与晶体结构,使产品在耐热性和烧成率等方面进一步提高)
上述方法可以进一步优选为,将步骤(3)制成的坯体于1—3℃的环境内低温晾干至坯体质量含水率为0.8—1.0%,然后将坯体于30—40分钟内均匀升温至200℃后保温10分钟,再将坯体进行步骤(4)的素烧。(此方式可以进一步提高产品的烧成率,减少针孔和变型)
本发明的方法制得的产品合格率高,耐热性能好,烧成范围宽且可以实现低温快烧,产品的抗热震性达到600℃投入20℃水中热交换一次不裂。
具体实施方式
实施例1:
(1)坯料制备
取伊利石35重量份、铝矾土30重量份、透辉石15重量份、硅线石8重量份、尖晶石4重量份、蓝晶石2重量份、红柱石2重量份、石榴子石2重量份、蛇纹石2重量份作为坯料的原料;
将上述原料混和后加清水进行湿法球磨,经球磨原料通过除铁机除铁后过200目筛,经除铁过筛后的原料通过压滤机压滤成泥块,将泥块通过练泥机进行练泥,制备出质量含水率为22%的坯料备用;
(2)釉料制备
取伊利石28重量份、铝矾土24重量份、透辉石14重量份、尖晶石8重量份、硅灰石5重量份、海泡石5重量份、十字石5重量份、羟硅硼钙石5重量份、蓝晶石2重量份、红柱石2重量份、石榴子石2重量份作为釉料的原料;
将上述原料混和后加清水进行湿法球磨,经球磨原料通过除铁机除铁,经除铁后原料过320目筛,经过筛原料用清水调配成浓度为52波美度的釉料备用;
(3)坯体成型
取上述备用的坯料,按传统工艺进行坯体成型;
(4)素烧
对坯体采用常规的陶瓷烧成窑炉于820℃进行素烧5.5小时;
(5)施釉
对经素烧的坯体按传统工艺取上述备用的釉料进行施釉;
(6)烧成
对经施釉坯体采用常规的陶瓷烧成窑炉于1200℃进行烧成10小时,即制得成品。
实施例1制得的产品合格率高达98%,产品外观规整,釉层密实,产品强度高,产品的抗热震性达到600℃投入20℃水中热交换一次不裂。
实施例2:与实施例1不同的是,步骤(6)中的烧成,为于1280℃进行烧成8小时。
实施例2制得的产品合格率高达98%,产品外观规整,釉层密实,产品强度高,产品的抗热震性达到600℃投入20℃水中热交换一次不裂。
实施例3:与实施例1不同的是,将步骤(1)制成的坯料再以每80公斤揉成一个圆团,然后用石碾以1 Mpa的压强,以1米/秒的速度进行反复碾压12分钟后,再将坯料揉成圆团继续碾压,重复4次制得碾压后的坯料,制得最佳的坯料以备用;
并将步骤(3)制成的坯体于2℃的环境内低温晾干至坯体质量含水率为0.9%,然后将坯体于34分钟内均匀升温至200℃后保温10分钟,再将坯体进行步骤(4)的素烧。
实施例3制得的产品合格率提高到99%,产品外观规整,釉层密实,产品强度高,产品的抗热震性可提高到650℃投入20℃水中热交换一次不裂。
对比例1:与实施例1不同的是,坯料中铝矾土加入量降至20重量份。制成的产品于600℃投入20℃水中热交换全裂,产品烧成合格率大幅度下降,仅为90%。
对比例2:与实施例1不同的是,坯料中透辉石加入量降至8重量份。产品烧成合格率大幅度下降,仅为95%,将烧成温度提高至1250℃,烧成合格率也仅为97%。
对比例3:与实施例1不同的是,坯料中没有添加硅线石、尖晶石、蓝晶石。制成的产品于600℃投入20℃水中热交换全裂,产品烧成合格率降为96%。
对比例4:与实施例1不同的是,坯料中没有添加红柱石、石榴子石、蛇纹石。制成的产品于600℃投入20℃水中热交换全裂,产品烧成合格率降为95%。
对比例5:与实施例1不同的是,釉料中没有添加羟硅硼钙石、透辉石。产品烧成合格率降为96%,将烧成温度提高至1250℃,烧成合格率也仅为97%。制成的产品于600℃投入20℃水中热交换釉面出现裂纹。
对比例6:与实施例1不同的是,釉料中没有添加十字石、海泡石。产品烧成合格率降为97%,制成的产品于600℃投入20℃水中热交换釉面出现裂纹。
对比例7:与实施例1不同的是,釉料中没有添加蓝晶石、红柱石、石榴子石。制成的产品于600℃投入20℃水中热交换釉面出现脱落。
Claims (3)
1.耐热日用陶瓷产品的生产方法,其特征在于,包括以下生产步骤:
(1)坯料制备
取伊利石35重量份、铝矾土30重量份、透辉石15重量份、硅线石8重量份、尖晶石4重量份、蓝晶石2重量份、红柱石2重量份、石榴子石2重量份、蛇纹石2重量份作为坯料的原料;
将上述原料混和后加清水进行湿法球磨,经球磨原料通过除铁机除铁后过200目筛,经除铁过筛后的原料通过压滤机压滤成泥块,将泥块通过练泥机进行练泥,制备出质量含水率为21—23%的坯料备用;
(2)釉料制备
取伊利石28重量份、铝矾土24重量份、透辉石14重量份、尖晶石8重量份、硅灰石5重量份、海泡石5重量份、十字石5重量份、羟硅硼钙石5重量份、蓝晶石2重量份、红柱石2重量份、石榴子石2重量份作为釉料的原料;
将上述原料混和后加清水进行湿法球磨,经球磨原料通过除铁机除铁,经除铁后原料过320目筛,经过筛原料用清水调配成浓度为52波美度的釉料备用;
(3)坯体成型
取上述备用的坯料,按传统工艺进行坯体成型;
(4)素烧
对坯体采用常规的陶瓷烧成窑炉于800—850℃进行素烧5—6小时;
(5)施釉
对经素烧的坯体按传统工艺取上述备用的釉料进行施釉;
(6)烧成
对经施釉坯体采用常规的陶瓷烧成窑炉于1180—1280℃进行烧成8—12小时,即制得成品。
2.根据权利要求1所述方法,其特征在于,将步骤(1)制成的坯料再以每50—100公斤揉成一个圆团,然后用石碾以0.8—2 Mpa的压强,以0.5—1米/秒的速度进行反复碾压10—15分钟后,再将坯料揉成圆团继续碾压,重复3—5次制得碾压后的坯料以备用。
3.根据权利要求1所述方法,其特征在于,将步骤(3)制成的坯体于1—3℃的环境内低温晾干至坯体质量含水率为0.8—1.0%,然后将坯体于30—40分钟内均匀升温至200℃后保温10分钟,再将坯体进行步骤(4)的素烧。
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Cited By (5)
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CN107555948A (zh) * | 2017-09-06 | 2018-01-09 | 福建省德化县嘉威陶瓷有限公司 | 一种耐磨陶瓷制品及其制造工艺 |
CN108483915A (zh) * | 2018-07-09 | 2018-09-04 | 广东民洁卫浴有限公司 | 一种纳米高致密釉及其制备方法 |
CN108726883A (zh) * | 2018-07-11 | 2018-11-02 | 潮州市潮安区皓强瓷业有限公司 | 一种高耐磨日用陶瓷釉的制备方法 |
CN108793983A (zh) * | 2018-06-28 | 2018-11-13 | 温克仁 | 自生釉骨质陶瓷泥料以及自生釉骨质陶瓷智能化生产工艺 |
CN112645694A (zh) * | 2020-12-23 | 2021-04-13 | 湖州钧远木业有限公司 | 耐热陶瓷锅 |
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CN105645925A (zh) * | 2016-01-19 | 2016-06-08 | 潮州市潮安区凤塘雅诚德陶瓷制作厂 | 一种具有高抗热震性的陶瓷烹调器的制备方法 |
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CN105645925A (zh) * | 2016-01-19 | 2016-06-08 | 潮州市潮安区凤塘雅诚德陶瓷制作厂 | 一种具有高抗热震性的陶瓷烹调器的制备方法 |
Cited By (7)
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CN107555948A (zh) * | 2017-09-06 | 2018-01-09 | 福建省德化县嘉威陶瓷有限公司 | 一种耐磨陶瓷制品及其制造工艺 |
CN107555948B (zh) * | 2017-09-06 | 2020-06-02 | 福建省德化县嘉威陶瓷有限公司 | 一种耐磨陶瓷制品及其制造工艺 |
CN108793983A (zh) * | 2018-06-28 | 2018-11-13 | 温克仁 | 自生釉骨质陶瓷泥料以及自生釉骨质陶瓷智能化生产工艺 |
CN108793983B (zh) * | 2018-06-28 | 2019-05-10 | 温克仁 | 自生釉骨质陶瓷泥料以及自生釉骨质陶瓷智能化生产工艺 |
CN108483915A (zh) * | 2018-07-09 | 2018-09-04 | 广东民洁卫浴有限公司 | 一种纳米高致密釉及其制备方法 |
CN108726883A (zh) * | 2018-07-11 | 2018-11-02 | 潮州市潮安区皓强瓷业有限公司 | 一种高耐磨日用陶瓷釉的制备方法 |
CN112645694A (zh) * | 2020-12-23 | 2021-04-13 | 湖州钧远木业有限公司 | 耐热陶瓷锅 |
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