CN108395273A - 一种提高发泡陶瓷隔墙板耐火极限的生产工艺 - Google Patents

一种提高发泡陶瓷隔墙板耐火极限的生产工艺 Download PDF

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CN108395273A
CN108395273A CN201810324075.3A CN201810324075A CN108395273A CN 108395273 A CN108395273 A CN 108395273A CN 201810324075 A CN201810324075 A CN 201810324075A CN 108395273 A CN108395273 A CN 108395273A
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foamed ceramic
partition plate
thickness
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less
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李庆华
杨继野
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Liaoning Hanwang Green Building Materials Co Ltd
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Abstract

本发明公开了一种提高发泡陶瓷隔墙板耐火极限的生产工艺，属于发泡陶瓷隔墙板耐火工艺领域。具体生产工艺步骤为：将发泡陶瓷隔墙板的配方原料加水球磨8个小时后，喷雾干燥成为20‑60目粉料，将20‑60目粉料铺在垫好陶瓷纤维纸的耐火模具中，厚度60‑70mm,使用辊道窑或隧道窑，经过烧制后，烧成厚度为120‑140mm厚度的发泡陶瓷毛坯板材，再经过气割加工厚度为100‑120mm,成为建筑物内隔墙使用。在配方中加入氧化锆在约1000℃时发生晶型转变,伴有体积收缩的特点,在液相内产生显微裂纹,减少发泡陶瓷受热后内部应力,改善了发泡陶瓷材料的耐热冲击性能。提高了耐火极限时间。

Description

一种提高发泡陶瓷隔墙板耐火极限的生产工艺
技术领域
本发明涉及一种提高发泡陶瓷隔墙板耐火极限的生产工艺，属于发泡陶瓷隔墙板耐火工艺领域。
背景技术
通常发泡陶瓷隔墙板内部存在大量的真空和半真空状态下封闭气泡,因此具有良好的保温性能和隔热性能,但在表层快速加热时,发泡陶瓷内的玻璃相和晶相产生的热应力扩展较快,造成炸裂现象。
发明内容
针对上述问题，本发明要解决的技术问题是提供一种提高发泡陶瓷隔墙板耐火极限的生产工艺。
本发明的提高发泡陶瓷隔墙板耐火极限的生产工艺步骤为：将发泡陶瓷隔墙板的配方原料加水球磨8个小时后，喷雾干燥成为20-60目粉料，将20-60目粉料铺在垫好陶瓷纤维纸的耐火模具中，厚度60-70mm,使用辊道窑或隧道窑，经过烧制后，烧成厚度为120-140mm厚度的发泡陶瓷毛坯板材，再经过气割加工厚度为100-120mm,成为建筑物内隔墙使用。
作为优选，所述的辊道窑或隧道窑的烧成制度为：首先在每小时升温200°C的制度下升温，升温至1140-1150°C，保温1个小时后，快速降温到700°C，然后按照每个小时100°C的降温制度降至室温，完成发泡陶瓷的烧制过程。
作为优选，所述的发泡陶瓷隔墙板的配方包含以下重量份原料：5份粒径小于0.074mm铁尾矿、4份粒径小于0.074钠长石、0.8份粒径小于400目氧化锆、0.2份粒径小于0.074mm碳化硅。
本发明的有益效果：本发明在配方中加入氧化锆在约1000℃时发生晶型转变,伴有体积收缩的特点,在液相内产生显微裂纹,减少发泡陶瓷受热后内部应力,改善了发泡陶瓷材料的耐热冲击性能。提高了耐火极限时间。
具体实施方式
本具体实施方式采用以下技术方案：一种提高发泡陶瓷隔墙板耐火极限的生产工艺步骤为：将发泡陶瓷隔墙板的配方原料加水球磨8个小时后，喷雾干燥成为20-60目粉料，将20-60目粉料铺在垫好陶瓷纤维纸的耐火模具中，厚度60-70mm,使用辊道窑或隧道窑，经过烧制后，烧成厚度为120-140mm厚度的发泡陶瓷毛坯板材，再经过气割加工厚度为100-120mm,成为建筑物内隔墙使用。
作为优选，所述的辊道窑或隧道窑的烧成制度为：首先在每小时升温200°C的制度下升温，升温至1140-1150°C，保温1个小时后，快速降温到700°C，然后按照每个小时100°C的降温制度降至室温，完成发泡陶瓷的烧制过程。
作为优选，所述的发泡陶瓷隔墙板的配方包含以下重量份原料：5份粒径小于0.074mm铁尾矿、4份粒径小于0.074钠长石、0.8份粒径小于400目氧化锆、0.2份粒径小于0.074mm碳化硅。
实施例1：
一种提高发泡陶瓷隔墙板耐火极限的生产工艺步骤为：将发泡陶瓷隔墙板的配方原料5份粒径小于0.074mm铁尾矿、4份粒径小于0.074钠长石、0.8份粒径小于400目氧化锆、0.2份粒径小于0.074mm碳化硅，加水球磨8个小时后，喷雾干燥成为45目粉料，将45目粉料铺在垫好陶瓷纤维纸的耐火模具中，厚度65mm,使用辊道窑或隧道窑，经过烧制后，烧成厚度为130mm厚度的发泡陶瓷毛坯板材，烧成制度为：在每小时升温200°C的制度下升温，升温至1145°C，保温1个小时后，快速降温到700°C，然后按照每个小时100°C的降温制度降至室温，完成发泡陶瓷的烧制过程，再经过气割加工厚度为120mm,成为建筑物内隔墙使用。
本实施例烧成后的产品具体表现为：发泡层厚度120mm，导热系数为0.076W/(m.0C)，耐火极限达到4.5小时，满足了作为隔墙板的消防要求。
实施例2：
一种提高发泡陶瓷隔墙板耐火极限的生产工艺步骤为：将发泡陶瓷隔墙板的配方原料5份粒径小于0.074mm铁尾矿、4份粒径小于0.074钠长石、0.8份粒径小于400目氧化锆、0.2份粒径小于0.074mm碳化硅加水球磨8个小时后，喷雾干燥成为55目粉料，将55目粉料铺在垫好陶瓷纤维纸的耐火模具中，厚度60mm,使用辊道窑或隧道窑，经过烧制后，烧成厚度为125mm厚度的发泡陶瓷毛坯板材，所述的烧成制度为：在每小时升温200°C的制度下升温，升温至1140°C，保温1个小时后，快速降温到700°C，然后按照每个小时100°C的降温制度降至室温，完成发泡陶瓷的烧制过程,再经过气割加工厚度为115mm,成为建筑物内隔墙使用。
本实施例烧成后的产品具体表现为：发泡层厚度115mm，导热系数为0.073W/(m.0C)，耐火极限达到4.3小时，满足了作为隔墙板的消防要求。
以上显示和描述了本发明的基本原理和主要特征和本发明的优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的只是说明本发明的原理，在不脱离本发明精神和范围的前提下，本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。

Claims (3)

1.一种提高发泡陶瓷隔墙板耐火极限的生产工艺，其特征在于：具体生产工艺步骤为：将发泡陶瓷隔墙板的配方原料加水球磨8个小时后，喷雾干燥成为20-60目粉料，将20-60目粉料铺在垫好陶瓷纤维纸的耐火模具中，厚度60-70mm,使用辊道窑或隧道窑，经过烧制后，烧成厚度为120-140mm厚度的发泡陶瓷毛坯板材，再经过气割加工厚度为100-120mm,成为建筑物内隔墙使用。
2.根据权利要求1所述的一种提高发泡陶瓷隔墙板耐火极限的生产工艺，其特征在于：所述的辊道窑或隧道窑的烧成制度为：首先在每小时升温200°C的制度下升温，升温至1140-1150°C，保温1个小时后，快速降温到700°C，然后按照每个小时100°C的降温制度降至室温，完成发泡陶瓷的烧制过程。
3.根据权利要求1所述的一种提高发泡陶瓷隔墙板耐火极限的生产工艺，其特征在于：所述的发泡陶瓷隔墙板的配方包含以下重量份原料：5份粒径小于0.074mm铁尾矿、4份粒径小于0.074钠长石、0.8份粒径小于400目氧化锆、0.2份粒径小于0.074mm碳化硅。
CN201810324075.3A 2018-04-12 2018-04-12 一种提高发泡陶瓷隔墙板耐火极限的生产工艺 Pending CN108395273A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112592156A (zh) * 2020-12-15 2021-04-02 广东金意陶陶瓷集团有限公司 发泡陶瓷及其制备方法和应用
CN115073203A (zh) * 2022-07-27 2022-09-20 安徽工业大学 一种具有良好吊挂功能的泡沫陶瓷墙体材料及其制备方法

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CN102417368A (zh) * 2011-09-19 2012-04-18 鞍钢集团矿业公司 利用高硅铁尾矿制造的泡沫陶瓷及其制作方法
CN102603347A (zh) * 2012-03-05 2012-07-25 金建福 以页岩为主要原料制备高性能超轻质泡沫陶瓷及方法
CN102718547A (zh) * 2012-06-11 2012-10-10 中国钢研科技集团有限公司 发泡陶瓷材料及其制备方法
CN103396157A (zh) * 2013-07-25 2013-11-20 浮山县晋盛新型建筑材料有限责任公司 以铁尾矿为主要原料的泡沫陶瓷轻质墙体建筑材料

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CN102417368A (zh) * 2011-09-19 2012-04-18 鞍钢集团矿业公司 利用高硅铁尾矿制造的泡沫陶瓷及其制作方法
CN102603347A (zh) * 2012-03-05 2012-07-25 金建福 以页岩为主要原料制备高性能超轻质泡沫陶瓷及方法
CN102718547A (zh) * 2012-06-11 2012-10-10 中国钢研科技集团有限公司 发泡陶瓷材料及其制备方法
CN103396157A (zh) * 2013-07-25 2013-11-20 浮山县晋盛新型建筑材料有限责任公司 以铁尾矿为主要原料的泡沫陶瓷轻质墙体建筑材料

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112592156A (zh) * 2020-12-15 2021-04-02 广东金意陶陶瓷集团有限公司 发泡陶瓷及其制备方法和应用
CN115073203A (zh) * 2022-07-27 2022-09-20 安徽工业大学 一种具有良好吊挂功能的泡沫陶瓷墙体材料及其制备方法
CN115073203B (zh) * 2022-07-27 2023-08-04 安徽工业大学 一种具有良好吊挂功能的泡沫陶瓷墙体材料及其制备方法

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Application publication date: 20180814