CN114477952B - 一种75度白超薄建筑陶瓷岩板专用球土的制备方法 - Google Patents
一种75度白超薄建筑陶瓷岩板专用球土的制备方法 Download PDFInfo
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Abstract
本发明公开了一种75度白超薄建筑陶瓷岩板专用球土的制备方法,包括以下步骤:将高岭土、黑泥、白榴石、白泡石混合,粉碎,过筛,加入硫酸溶液中,双频超声波交替振荡处理,过滤,用水洗涤,干燥,将得到的粉末加水制成浆料,将所得浆料依次进行一级磁选除杂、二级磁选除杂、三级磁选除杂,然后加入甲醛次硫酸钠和苯二甲酰亚氨基过氧己酸,双频超声波交替振荡处理,再加入羧甲基菊粉钠和的十二烷基硫酸二乙醇胺盐,高速球磨,过滤,烘干,粉碎,过筛,将制得的粉末湿法压制成型,制成粉饼,将制得的粉饼进行烧结,冷却至常温即可。本发明制得的球土具有优异的耐火度和白度,完全满足75度白超薄建筑陶瓷岩板的使用要求。
Description
技术领域
本发明属于球土制备技术领域,尤其涉及一种75度白超薄建筑陶瓷岩板专用球土的制备方法。
背景技术
球土因具有高可塑性、高干燥强度、宽瓷化范围等特性,广泛用于建筑陶瓷行业。随着人们生活水平的提高,对建筑陶瓷的性能要求越来越高,而目前市场上的球土耐火度、干燥强度和白度已经无法满足75度白超薄建筑陶瓷岩板的使用要求,因此,急需开发一种75度白超薄建筑陶瓷岩板专用球土。
发明内容
本发明目的就是为了弥补已有技术的缺陷,提供一种75度白超薄建筑陶瓷岩板专用球土的制备方法。
为了实现上述的目的,本发明提供以下技术方案:
一种75度白超薄建筑陶瓷岩板专用球土的制备方法,包括以下步骤:
(1)、按照质量比称取3-4.5:2-3.5:2-4:1-2称取高岭土、黑泥、白榴石、白泡石;
(2)、将高岭土、黑泥、白榴石、白泡石混合,粉碎,过200-300目筛,加入相当于高岭土、黑泥、白榴石、白泡石总质量8-10倍的硫酸溶液中,双频超声波交替振荡处理20-30min,过滤,用水洗涤5-6次,干燥;
(3)、将步骤(2)得到的粉末加水制成质量浓度为50-60%的浆料,将所得浆料送入5000-6000 Oe的永磁高梯度磁选机进行一级磁选除杂,将一级磁选除杂处理后的浆料送入10000-20000 Oe的电磁高梯度磁选机进行二级磁选除杂,将二级磁选除杂处理后的浆料送入30000-40000 Oe的低温超导高梯度磁选机进行三级磁选除杂,然后加入相当于浆料质量6-8%的甲醛次硫酸钠和4-6%的苯二甲酰亚氨基过氧己酸,双频超声波交替振荡处理10-20min,再加入相当于浆料质量3-5%的羧甲基菊粉钠和2-4%的十二烷基硫酸二乙醇胺盐,高速球磨20-30min,过滤,烘干,粉碎,过300-400目筛;
(4)、将步骤(3)得到的粉末湿法压制成型,制成粉饼,粉饼含水量控制在5-7%之间;
(5)、将步骤(4)得到的粉饼进行烧结,冷却至常温,即得所需的球土。
优选地,步骤(2)中所述硫酸溶液的体积浓度为10-15%。
优选地,步骤(2)中所述双频超声波交替振荡处理的条件为:双频超声波交替频率为30-50KHz/80-100KHz,双频超声波交替工作时间为4-7s,超声波功率为150-250W。
优选地,步骤(3)中所述双频超声波交替振荡处理的条件为:双频超声波交替频率为40-60KHz/100-120KHz,双频超声波交替工作时间为6-9s,超声波功率为200-300W。
优选地,步骤(3)中所述球磨转速为3000-4000r/min。
优选地,步骤(4)中所述压制成型的压力为60-80MPa。
优选地,步骤(5)中所述烧结的过程为:先升温至750-900℃,保温1-2h,再升温至1150-1250℃,保温2-3h,再降温至700-800℃,保温1-2h。
本发明的有益效果:
本发明在高岭土和黑泥的基础上加入了白榴石和白泡石,可以提高球土的耐火度,上述四者原料依次经过酸洗除杂、一级磁选除杂、二级磁选除杂、三级磁选除杂、漂白处理,可以显著提高球土的白度,其中,酸洗除杂和漂白处理均采用了双频超声波交替振荡处理,可以显著提高酸洗和漂白处理效果,漂白处理采用了甲醛次硫酸钠、苯二甲酰亚氨基过氧己酸两种物质相互配合,具有很好的漂白效果,且漂白处理后加入羧甲基菊粉钠、十二烷基硫酸二乙醇胺盐两种物质进行球磨分散处理,可以将高岭土、黑泥、白榴石和白泡石四种原料很好地结合在一起,使制得的球土具有优异的干燥强度。
综上,本发明制得的球土具有优异的耐火度、干燥强度和白度,完全满足75度白超薄建筑陶瓷岩板的使用要求。
具体实施方式
以下结合具体的实例对本发明的技术方案做进一步说明:
实施例1
一种75度白超薄建筑陶瓷岩板专用球土的制备方法,包括以下步骤:
(1)、按照质量比称取3:2:2:1称取高岭土、黑泥、白榴石、白泡石;
(2)、将高岭土、黑泥、白榴石、白泡石混合,粉碎,过200目筛,加入相当于高岭土、黑泥、白榴石、白泡石总质量8倍的体积浓度为10%的硫酸溶液中,在双频超声波交替频率为30KHz/80KHz、双频超声波交替工作时间为4s、超声波功率为150W的条件下双频超声波交替振荡处理30min,过滤,用水洗涤5次,干燥;
(3)、将步骤(2)得到的粉末加水制成质量浓度为50%的浆料,将所得浆料送入5000Oe的永磁高梯度磁选机进行一级磁选除杂,将一级磁选除杂处理后的浆料送入10000 Oe的电磁高梯度磁选机进行二级磁选除杂,将二级磁选除杂处理后的浆料送入30000 Oe的低温超导高梯度磁选机进行三级磁选除杂,然后加入相当于浆料质量6%的甲醛次硫酸钠和4%的苯二甲酰亚氨基过氧己酸,在双频超声波交替频率为40KHz/100KHz、双频超声波交替工作时间为6s、超声波功率为200W的条件下双频超声波交替振荡处理20min,再加入相当于浆料质量3%的羧甲基菊粉钠和2%的十二烷基硫酸二乙醇胺盐,在转速为3000r/min的条件下高速球磨30min,过滤,烘干,粉碎,过300目筛;
(4)、将步骤(3)得到的粉末湿法压制成型,成型压力为60MPa,制成粉饼,粉饼含水量控制在5%;
(5)、将步骤(4)得到的粉饼进行烧结,先升温至750℃,保温2h,再升温至1150℃,保温3h,再降温至700℃,保温2h,冷却至常温,即得所需的球土。
实施例2
一种75度白超薄建筑陶瓷岩板专用球土的制备方法,包括以下步骤:
(1)、按照质量比称取4:3:3:1.5称取高岭土、黑泥、白榴石、白泡石;
(2)、将高岭土、黑泥、白榴石、白泡石混合,粉碎,过250目筛,加入相当于高岭土、黑泥、白榴石、白泡石总质量9倍的体积浓度为12%的硫酸溶液中,在双频超声波交替频率为40KHz/90KHz、双频超声波交替工作时间为6s、超声波功率为200W的条件下双频超声波交替振荡处理25min,过滤,用水洗涤6次,干燥;
(3)、将步骤(2)得到的粉末加水制成质量浓度为50-60%的浆料,将所得浆料送入5500 Oe的永磁高梯度磁选机进行一级磁选除杂,将一级磁选除杂处理后的浆料送入15000Oe的电磁高梯度磁选机进行二级磁选除杂,将二级磁选除杂处理后的浆料送入35000 Oe的低温超导高梯度磁选机进行三级磁选除杂,然后加入相当于浆料质量7%的甲醛次硫酸钠和5%的苯二甲酰亚氨基过氧己酸,在双频超声波交替频率为50KHz/110KHz、双频超声波交替工作时间为8s、超声波功率为250W的条件下双频超声波交替振荡处理15min,再加入相当于浆料质量4%的羧甲基菊粉钠和3%的十二烷基硫酸二乙醇胺盐,在转速为3500r/min的条件下高速球磨25min,过滤,烘干,粉碎,过350目筛;
(4)、将步骤(3)得到的粉末湿法压制成型,成型压力为70MPa,制成粉饼,粉饼含水量控制在6%;
(5)、将步骤(4)得到的粉饼进行烧结,先升温至850℃,保温1.5h,再升温至1200℃,保温2.5h,再降温至750℃,保温1.5h,冷却至常温,即得所需的球土。
实施例3
一种75度白超薄建筑陶瓷岩板专用球土的制备方法,包括以下步骤:
(1)、按照质量比称取4.5:3.5:4:2称取高岭土、黑泥、白榴石、白泡石;
(2)、将高岭土、黑泥、白榴石、白泡石混合,粉碎,过300目筛,加入相当于高岭土、黑泥、白榴石、白泡石总质量10倍的体积浓度为15%的硫酸溶液中,在双频超声波交替频率为50KHz/100KHz、双频超声波交替工作时间为7s、超声波功率为250W的条件下双频超声波交替振荡处理20min,过滤,用水洗涤6次,干燥;
(3)、将步骤(2)得到的粉末加水制成质量浓度为60%的浆料,将所得浆料送入6000Oe的永磁高梯度磁选机进行一级磁选除杂,将一级磁选除杂处理后的浆料送入20000 Oe的电磁高梯度磁选机进行二级磁选除杂,将二级磁选除杂处理后的浆料送入40000 Oe的低温超导高梯度磁选机进行三级磁选除杂,然后加入相当于浆料质量8%的甲醛次硫酸钠和6%的苯二甲酰亚氨基过氧己酸,在双频超声波交替频率为60KHz/120KHz、双频超声波交替工作时间为9s、超声波功率为300W的条件下双频超声波交替振荡处理10min,再加入相当于浆料质量5%的羧甲基菊粉钠和4%的十二烷基硫酸二乙醇胺盐,在转速为4000r/min的条件下高速球磨20min,过滤,烘干,粉碎,过400目筛;
(4)、将步骤(3)得到的粉末湿法压制成型,成型压力为80MPa,制成粉饼,粉饼含水量控制在7%;
(5)、将步骤(4)得到的粉饼进行烧结,先升温至900℃,保温1h,再升温至1250℃,保温2h,再降温至800℃,保温1h,冷却至常温,即得所需的球土。
上述实施例1-3制得的球土与现有市场上的球土(江门市新会嘉炫球土有限公司生产)的主要性能检测如下表所示:
检测项目 | 实施例1 | 实施例2 | 实施例3 | 现有技术 |
耐火度(℃) | 1775 | 1790 | 1785 | 1620 |
干燥强度(MPa) | 5.45 | 5.53 | 5.48 | 3.37 |
白度(度) | 80 | 85 | 80 | 65 |
由上表可以看出,与现有技术的球土相比较,本发明制得的球土具有优异的耐火度、干燥强度和白度,完全满足75度白超薄建筑陶瓷岩板的使用要求。
以上所述仅为本发明的优选实施例而已,并不用于限制本发明,对于本领域的技术人员来说,本发明可以有各种更改和变化。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (7)
1.一种75度白超薄建筑陶瓷岩板专用球土的制备方法,其特征在于,包括以下步骤:
(1)、按照质量比称取3-4.5:2-3.5:2-4:1-2称取高岭土、黑泥、白榴石、白泡石;
(2)、将高岭土、黑泥、白榴石、白泡石混合,粉碎,过200-300目筛,加入相当于高岭土、黑泥、白榴石、白泡石总质量8-10倍的硫酸溶液中,双频超声波交替振荡处理20-30min,过滤,用水洗涤5-6次,干燥;
(3)、将步骤(2)得到的粉末加水制成质量浓度为50-60%的浆料,将所得浆料送入5000-6000 Oe的永磁高梯度磁选机进行一级磁选除杂,将一级磁选除杂处理后的浆料送入10000-20000 Oe的电磁高梯度磁选机进行二级磁选除杂,将二级磁选除杂处理后的浆料送入30000-40000 Oe的低温超导高梯度磁选机进行三级磁选除杂,然后加入相当于浆料质量6-8%的甲醛次硫酸钠和4-6%的苯二甲酰亚氨基过氧己酸,双频超声波交替振荡处理10-20min,再加入相当于浆料质量3-5%的羧甲基菊粉钠和2-4%的十二烷基硫酸二乙醇胺盐,高速球磨20-30min,过滤,烘干,粉碎,过300-400目筛;
(4)、将步骤(3)得到的粉末湿法压制成型,制成粉饼,粉饼含水量控制在5-7%之间;
(5)、将步骤(4)得到的粉饼进行烧结,冷却至常温,即得所需的球土;
所述步骤(5)中所述烧结的过程为:先升温至750-900℃,保温1-2h,再升温至1150-1250℃,保温2-3h,再降温至700-800℃,保温1-2h。
2.根据权利要求1所述的一种75度白超薄建筑陶瓷岩板专用球土的制备方法,其特征在于,步骤(2)中所述硫酸溶液的体积浓度为10-15%。
3.根据权利要求1所述的一种75度白超薄建筑陶瓷岩板专用球土的制备方法,其特征在于,步骤(2)中所述双频超声波交替振荡处理的条件为:双频超声波交替频率为30-50KHz/80-100KHz,双频超声波交替工作时间为4-7s,超声波功率为150-250W。
4.根据权利要求1所述的一种75度白超薄建筑陶瓷岩板专用球土的制备方法,其特征在于,步骤(3)中所述双频超声波交替振荡处理的条件为:双频超声波交替频率为40-60KHz/100-120KHz,双频超声波交替工作时间为6-9s,超声波功率为200-300W。
5.根据权利要求1所述的一种75度白超薄建筑陶瓷岩板专用球土的制备方法,其特征在于,步骤(3)中所述球磨转速为3000-4000r/min。
6.根据权利要求1所述的一种75度白超薄建筑陶瓷岩板专用球土的制备方法,其特征在于,步骤(4)中所述压制成型的压力为60-80MPa。
7.一种75度白超薄建筑陶瓷岩板专用球土,其特征在于,由权利要求1-6任意一项所述的制备方法制备得到。
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