CN106278182A - 一种钼尾矿玻化砖及其制备方法 - Google Patents

一种钼尾矿玻化砖及其制备方法 Download PDF

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CN106278182A
CN106278182A CN201610669292.7A CN201610669292A CN106278182A CN 106278182 A CN106278182 A CN 106278182A CN 201610669292 A CN201610669292 A CN 201610669292A CN 106278182 A CN106278182 A CN 106278182A
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马跃
李伟
高飞
庞鹤
王鞍山
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Dalian Earth Environment Technology Co., Ltd.
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Abstract

本发明提供了一种钼尾矿玻化砖的制备方法以及由该方法制备得到的钼尾矿玻化砖。本发明利用钼尾矿制备玻化砖，提高资源利用率，减少尾矿占地及环境污染，制得的玻化砖具有烧成温度低、吸水率低，抗折强度高等优点，具有较好的社会效益和经济效益。

Description

一种钼尾矿玻化砖及其制备方法
技术领域
本发明涉及尾矿砖制备领域，具体涉及一种钼尾矿玻化砖及其制备方法。
背景技术
随着我国经济的高速增长，城市化建设速度加决，房地产业空前发展，与此同时，对建筑材料的用量骤增、品质要求更高。建筑陶瓷瓷质砖以玻化砖为主，陶瓷玻化砖产品主要有:地砖、锦砖、瓷质外墙砖等，属中高档建筑陶瓷用砖。其特点是强度大、硬度高、机械性能好，具有玻璃相含量较高、晶相量较多的微观结构，材料的吸水率原则上低于0.5％。同时，陶瓷玻化砖也是建筑陶瓷生产中质量较难控制的产品类型。
用尾矿生产高附加值的陶瓷玻化砖不仅可以大量消纳铁尾矿，而且可以降低建筑材料的生产成本，是提高资源利用率、实现资源整体利用的重要途径。我国对铁尾矿生产陶瓷玻化砖的研究较早，而对钼尾矿制备玻化砖的研究较少。
发明内容
为了解决以上技术问题，本发明提供了一种钼尾矿玻化砖及其制备方法，包括以下步骤：
(1)按质量百分数：钼尾矿30％～40％、高岭土10％～20％、硅灰20％～30％、膨润土5％～10％、白云石粉5％～10％、粉煤灰5％～10％配料，将所述配料放入球磨机并加入质量为所述配料总质量5％的粘结剂进行干磨混匀；
(2)所述干磨混匀后过60目筛形成混合料；
(3)将所述混合料在35MPa压力下压制成型，并经干燥得到成型坯体；
(4)将所述成型坯体在1150℃～1210℃烧成，烧成温度下保温15min，自然冷却到室温；
(5)磨边抛光得到钼尾矿玻化砖制品。
作为优选，所述步骤(1)所述钼尾矿、高岭土、硅灰、膨润土、白云石粉、粉煤灰均过325目筛后，按所述质量百分数进行配料。
所述粘结剂可以为聚乙烯醇。
本发明还提供了一种钼尾矿玻化砖，所述钼尾矿玻化砖由上述钼尾矿玻化砖的制备方法制备得到。
本发明利用钼尾矿制备玻化砖，提高资源利用率，减少尾矿占地及环境污染，制得的玻化砖具有烧成温度低、吸水率低，抗折强度高等优点，具有较好的社会效益和经济效益。
具体实施方式
实施例1
一种钼尾矿玻化砖及其制备方法，包括一步骤：
(1)将钼尾矿、高岭土、硅灰、膨润土、白云石粉、粉煤灰按质量百分数：钼尾矿30％、高岭土10％、硅灰30％、膨润土10％、白云石粉10％、粉煤灰10％配料，将配合料放入球磨并一同加入配合料质量5％的粘结剂进行干磨混匀，并过60目筛形成混合料；
(2)将混合料在35MPa压力下压制成型，得到成型坯体；
(3)将成型坯体在1150℃烧成，烧成温度下保温20min，自然冷却到室温，得到钼尾矿玻化砖制品。
(4)磨边抛光得到钼尾矿玻化砖制品。
制得的钼尾矿玻化砖制品烧成收缩率6.12％，吸水率0.34％，抗折强度41.05MPa。
实施例2
一种钼尾矿玻化砖及其制备方法，包括一步骤：
(1)将钼尾矿、高岭土、硅灰、膨润土、白云石粉、粉煤灰按质量百分数：钼尾矿35％、高岭土17％、硅灰25％、膨润土7％、白云石粉8％、粉煤灰8％配料，将配合料放入球磨并一同加入配合料质量5％的粘结剂进行干磨混匀，并过60目筛形成混合料；
(2)将混合料在35MPa压力下压制成型，经干燥得到成型坯体；
(3)将成型坯体在1180℃烧成，烧成温度下保温25min，自然冷却到室温；
(4)磨边抛光得到钼尾矿玻化砖制品。
制得的钼尾矿玻化砖制品烧成收缩率7.33％，吸水率0.20％，抗折强度48.72MPa。
实施例3
一种钼尾矿玻化砖及其制备方法，包括一步骤：
(1)将钼尾矿、高岭土、硅灰、膨润土、白云石粉、粉煤灰按质量百分数：钼尾矿40％、高岭土20％、硅灰20％、膨润土5％、白云石粉10％、粉煤灰5％配料，将配合料放入球磨并一同加入配合料质量5％的粘结剂进行干磨混匀，并过60目筛形成混合料；
(2)将混合料在35MPa压力下压制成型，经干燥得到成型坯体；
(3)将成型坯体在1210℃烧成，烧成温度下保温20min，自然冷却到室温；
(4)磨边抛光得到钼尾矿玻化砖制品。
制得的钼尾矿玻化砖制品烧成收缩率7.84％，吸水率0.16％，抗折强度52.11MPa。

Claims (4)

1.一种钼尾矿玻化砖的制备方法，其特征在于，包括以下步骤：
(1)按质量百分数：钼尾矿30％～40％、高岭土10％～20％、硅灰20％～30％、膨润土5％～10％、白云石粉5％～10％、粉煤灰5％～10％配料，将所述配料放入球磨机并加入质量为所述配料总质量5％的粘结剂进行干磨混匀；
(2)所述干磨混匀后过60目筛形成混合料；
(3)将所述混合料在35MPa压力下压制成型，并经干燥得到成型坯体；
(4)将所述成型坯体在1150℃～1210℃烧成，烧成温度下保温15-25min，自然冷却到室温；
(5)磨边抛光得到钼尾矿玻化砖制品。
2.一种钼尾矿玻化砖的制备方法，其特征在于，所述步骤(1)所述钼尾矿、高岭土、硅灰、膨润土、白云石粉、粉煤灰均过325目筛后，按所述质量百分数进行配料。
3.一种钼尾矿玻化砖的制备方法，其特征在于，所述粘结剂为聚乙烯醇。
4.一种钼尾矿玻化砖，其特征在于，所述钼尾矿玻化砖由权利要求1-3中任一所述钼尾矿玻化砖的制备方法制备得到。
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108046755A (zh) * 2017-11-27 2018-05-18 广东省建筑材料研究院 一种矿山尾砂陶瓷坯体及其制备方法
CN112110714A (zh) * 2020-09-18 2020-12-22 神华准能资源综合开发有限公司 一种耐酸砖材料的制备方法及其应用
CN114455938A (zh) * 2022-02-18 2022-05-10 景德镇陶瓷大学 一种采用低铝原料低温制备建筑陶瓷坯体的方法及其产品
CN116715507A (zh) * 2023-04-19 2023-09-08 安徽龙钰徽派古建工艺制品有限公司 一种利用高温焙烧河道淤泥制备烧结砖的方法

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CN102826799A (zh) * 2012-08-13 2012-12-19 南阳师范学院 一种环保型保温隔音耐火轻质墙体材料

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RU2093491C1 (ru) * 1995-07-25 1997-10-20 Институт химии и технологии редких элементов и минерального сырья Кольского научного центра РАН Способ изготовления облицовочной керамической плитки
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108046755A (zh) * 2017-11-27 2018-05-18 广东省建筑材料研究院 一种矿山尾砂陶瓷坯体及其制备方法
CN112110714A (zh) * 2020-09-18 2020-12-22 神华准能资源综合开发有限公司 一种耐酸砖材料的制备方法及其应用
CN114455938A (zh) * 2022-02-18 2022-05-10 景德镇陶瓷大学 一种采用低铝原料低温制备建筑陶瓷坯体的方法及其产品
CN116715507A (zh) * 2023-04-19 2023-09-08 安徽龙钰徽派古建工艺制品有限公司 一种利用高温焙烧河道淤泥制备烧结砖的方法

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