利用液态磷渣制备乳浊玻璃

舒杼; 周俊; 王焰新; 卢学实

利用液态磷渣制备乳浊玻璃

舒杼^1,,
周俊^2, ,,
王焰新¹,
卢学实¹

1.
中国地质大学生物地质与环境地质教育部重点实验室, 湖北武汉 430074
2.
中国地质大学教育部纳米矿物材料及应用工程研究中心, 湖北武汉 430074

基金项目:

国家自然科学基金重点项目 40830748

贵阳市科技攻关项目 2006字第48号

详细信息

作者简介:
舒杼(1985-), 博士研究生, 环境工程专业. E-mail: zhushu426@gmail.com

通讯作者:
周俊, E-mail: zhoujun@cug.edu.cn

中图分类号: X141
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出版历程
- 收稿日期: 2009-01-20
- 刊出日期: 2009-11-25

On-Site Preparation of Opaque Glass Using Liquid Phosphorus Slag

SHU Zhu^1
,,
ZHOU Jun^{2
, ,},
WANG Yan-xin¹,
LU Xue-shi¹

1.
Key Laboratory of Biogeology and Environmental Geology of Ministry of Education, China University of Geosciences, Wuhan 430074, China
2.
Engineering Research Center of Nano-Geomaterials of Ministry of Education, China University of Geosciences, Wuhan 430074, China

摘要

摘要: 为实现炼磷排放的高温液态磷渣的热能、物质的同步回收利用, 并消除其环境污染问题, 通过现场试验, 以高温液态磷渣为主要原料, 直接与16.5%的石英粉和8.5%的高岭土热配合, 再经1450℃熔炼、浇铸成型和850℃乳化热处理, 制得了乳浊玻璃板材.磷渣乳浊玻璃的抗折强度为43.68MPa, 耐酸性为0.51%, 耐碱性为0.04%, 能满足建筑装饰材料的质量要求.ESEM、XRD和EDS分析结果共同表明, 母玻璃的乳浊机理在于主体玻璃中析出了富Ca元素的粒径为0.1~0.4μm的非晶质球形颗粒.由于高温液态磷渣掺量高达75%, 改性剂掺量低且成本低廉, 生产线易于配置, 本研究具有较高的工业化生产可行性、较佳的经济效益和应用前景.
- 液态磷渣 /
- 乳浊玻璃 /
- 污染控制 /
- 资源化
Abstract: In order to recycle both the heat energy and the material of hot liquid phosphorus slag discharged from the phosphorus smelting furnace and eliminate its environmental problem, on-site preparation tests were carried out beside the smelting furnace by undertaking the following process: first, 75.0 % fresh hot liquid phosphorus slag was mixed directly with 16.5% quartz powder and 8.5% kaolin clay, and then melted at 1450℃ and cast-molded into parent glass panels which were subsequently heat-treated at 850℃ and transformed into opaque glass, which possesses bending strength, acid resistance and alkali resistance respectively of 43.68MPa, 0.51% and 0.04%, and so is applicable for wall decorating in buildings.Resultsof ESEM, XRD and EDS analyses indicate that the mechanism of emulsification of parent glass is attributed to the phase separation of parent glass and so the deposition of the non-crystalline spherical granules with particle sizes of about 0.1-0.4μm. Since high proportion of hot liquid phosphorus slag is consumed, cheap modifying raw materials are used and ordinary glass manufacturing facilities can be directly employed, the proposed on-site test process is cost-effective and feasible for industrial manufacturing.
- liquid phosphorus slag /
- opaque glass /
- pollution control /
- waste recycling

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图 1 高温液态磷渣排放(a) 和水淬颗粒磷渣运输(b) 照片

Fig. 1. Photographs of the discharge of liquid phosphorus slag (a) and the transportation of the water-quenched grain phosphorus slag (b)

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图 2 直接利用高温液态磷渣制备乳浊玻璃的现场试验工艺流程

Fig. 2. Flowchart of on-site preparation of opaque glass from hot liquid phosphorus slag

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图 3 母玻璃(a) 和乳浊玻璃(b) 的表观形貌照片

Fig. 3. Surface appearance photographs of the parent glass (a) and the opaque glass (b)

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图 4 母玻璃(a) 和乳浊玻璃(b) 的ESEM显微照片; 乳浊玻璃中的球形颗粒物(c) 及其背景区域(d) 的EDS图谱

Fig. 4. ESEM images of the parent glass (a) and the opaque glass (b), EDS spectra of the spherical granule (c) and its background area (d) in the opaque glass

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图 5 母玻璃(a) 和乳浊玻璃(b) 的XRD图谱

Fig. 5. XRD patterns of the parent glass (a) and the opaque glass (b)

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图 6 各种颜色的磷渣乳浊玻璃板材照片

Fig. 6. Photographs of the opaque glass samples with different colours

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图 7 直接利用高温液态磷渣制备乳浊玻璃的工业化生产线设备配置

Fig. 7. Production facility scheme for industrial manufacturing of opaque glass from hot liquid phosphorus slag

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表 1 2007年不同月份高温液态磷渣(LPS) 和改性剂的化学组成(%)

Table 1. Chemical compositions of liquid phosphorus slag (LPS) in different months of 2007 and that of modifying raw materials

表 2 现场试验配方

Table 2. Dosage of raw materials used in the on-site preparation test

表 3 乳浊玻璃的化学组成(%)

Table 3. Chemical compositions of the opaque glass

表 4 磷渣乳浊玻璃及其母玻璃的物理化学性能及其与天然花岗岩的对比

Table 4. Properties of the opaque glass and the parent glass and those of the natural granite

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