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含锆耐火材料 |
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表数 |
图数 |
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1 |
8 |
0 |
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2 |
9 |
0 |
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3 |
22 |
14 |
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4 |
27 |
18 |
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5 |
22 |
28 |
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6 |
2 |
19 |
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合计 |
90 |
79 |
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以下列出关于含锆耐火材料生产基础数据资料的相关表格 |
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1锆英石放射性强度测定 |
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2锆英石精矿分类和技术条件 |
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3 不同产地锆英石产品粒度要求和粒度组成(%) |
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4 锆英石产品化学成分(质量分数/%)及粒度组成(%) |
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5 国内外锆英石产品的化学成分(%)对比 |
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6 国内外锆英石产品化学成分(%)对比 |
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7斜锆石化学成分(%) |
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8 锆英石砖的性质 |
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9致密锆英石砖的物理性质和化学组成 |
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10玻璃熔窑用致密锆英石砖的理化指标 |
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11 盛钢桶锆英石砖的理化性能 |
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12 锆英石水口砖的理化性能 |
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13改进的锆英石砖 |
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14 锆英石火泥的理化指标 |
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15锆英石不定形耐火材料性能 |
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16典型的熔铸高氧化锆耐火材料 |
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17熔铸氧化锆砖与AZS砖的典型特性 |
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18烧结氧化锆耐火材料性能 |
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19斜锆石砖的性能 |
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20铝锆酸钡结合剂的特性 |
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21氧化锆耐火浇注料的性能 |
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22氧化锆耐火泥的性能 |
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23 氧化锆纤维的特性 |
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24无机纤维的熔点 |
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25 氧化锆纤维板的特性 |
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26纤维复合板的特性 |
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27 电炉衬试验的结果 |
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28氧化锆纸的性能 |
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29氧化锆纤维浇注料的性能 |
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30 氧化锆涂料的性能 |
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31氧化锆空心球隔热砖性能 |
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32氧化锆空心球化学成分(质量分数/%) |
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33氧化锆空心球堆密度 |
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34氧化锆空心球的形态 |
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1锆英石放射性强度测定 |
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产地 |
ZrO2% |
比放射性,居里/kg |
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α |
β |
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广东阳江 |
65.91 |
5.18×10-6 |
1.11×10-6 |
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1 |
55 |
2.6×10-6 |
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广东 |
2 |
60 |
6.8×10-6 |
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3 |
65 |
(0.7~1.1)
×10-6 |
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2锆英石精矿分类和技术条件 |
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级别 |
(Zr、Hf)O2/% |
杂质含量/% |
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TiO2 |
P2O5 |
Fe2O3 |
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一级品 |
一类 |
≥65 |
≤0.5 |
≤0.15 |
≤0.30 |
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二类 |
≥65 |
≤1.0 |
≤0.30 |
≤0.30 |
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二级品 |
≥63 |
≤2.0 |
≤0.50 |
≤0.70 |
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三级品 |
≥60 |
≤3.0 |
≤0.80 |
≤1.00 |
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3 锆英石产品粒度要求和粒度组成(%) |
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矿 别 |
粒级/mm |
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0.5~0.21 |
0.21~0.149 |
0.149~0.074 |
0.074~0.044 |
<0.044 |
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宝钢要求 |
锆英石砂 |
≥50 |
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锆英石细粉 |
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≥95 |
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广东 |
万宁 |
0.1 |
1.2 |
90 |
8.7 |
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文昌 |
0.2 |
2.2 |
91 |
6.6 |
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阳江 |
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58 |
42 |
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澳大利亚 |
锆英石粗砂 |
38 |
47.4 |
<0.149,14.6 |
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锆英石细砂 |
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0.5 |
4.5 |
95 |
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4 锆英石产品化学成分(质量分数/%)及粒度组成(%) |
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项目 |
ZrO2 |
SiO2 |
TiO2 |
Fe2O3 |
Al2O3 |
CaO |
MgO |
P2O5 |
灼减 |
耐火度/℃ |
粒级/mm |
真密度/g·cm-3 |
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0.2~0.5 |
0.196~0.125 |
0.125~0.088 |
0.088~0.066 |
<0.066 |
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商品矿ZrO255% |
55.4 |
32.5 |
6.5 |
3.14 |
0.7 |
0.1 |
0.17 |
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0.25 |
1850 |
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0.8 |
38.2 |
20.5 |
40.5 |
4.56 |
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非精选矿ZrO260% |
60.4 |
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2.16 |
0.6 |
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0.74 |
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>1830 |
5.2 |
83.6 |
11.2 |
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精选矿ZrO265% |
65.72 |
32.7 |
0.284 ~0.4 |
0.22 ~0.27 |
0.13 |
0.14 |
0.19 |
0.224 |
0.2 |
>2000 |
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14.2 |
24.6 |
61.2 |
4.65 |
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5 国内外锆英石产品的化学成分(%)对比 |
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矿 别 |
灼减 |
ZrO2 |
SiO2 |
TiO2 |
Fe2O3 |
Al2O3 |
CaO |
MgO |
Na2O |
K2O |
U |
Th |
Ra |
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海南广东 |
1 |
0.1 |
66.85 |
32.35 |
0.18 |
0.78 |
0.47 |
0.15 |
0.04 |
痕 |
痕 |
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2 |
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65.75 |
32.1 |
0.71 |
0.27 |
0.15 |
0.24 |
0.11 |
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3 |
0.23 |
66.42 |
32.42 |
0.24 |
0.21 |
0.05 |
0.06 |
0.04 |
0.01 |
微 |
0.035 |
0.227 |
2.38×10-8 |
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4 |
0.19 |
66.16 |
32.98 |
0.27 |
0.25 |
0.05 |
0.05 |
0.03 |
0.01 |
0.01 |
0.026 |
0.076 |
2.38×10-6 |
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5 |
0.13 |
65.91 |
32.04 |
0.39 |
1.11 |
0.14 |
0.05 |
微 |
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6 |
0.08 ~0.20 |
65.1 |
32.85 |
0.28 ~0.40 |
0.13 |
0.16 ~0.27 |
0.14 |
0.19 |
P2O50.29 |
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耐火度>1830℃ |
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澳大利亚 |
锆英石粗砂 |
0.2 |
66.73 |
31.74 |
0.27 |
0.33 |
0.12 |
0.26 |
0.15 |
0.02 |
微 |
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锆英石细砂 |
0.26 |
65.41 |
32.25 |
0.2 |
0.32 |
0.1 |
0.37 |
0.15 |
0.02 |
微 |
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6 国内外锆英石产品化学成分(%)对比 |
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产 地 |
灼减 |
ZrO2 |
SiO2 |
TiO2 |
Al2O3 |
Fe2O3 |
CaO |
MgO |
Na2O |
K2O |
总计 |
杂质(ZrO2·SiO2和灼减以外) |
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中国 |
0.3 |
66.25 |
32.5 |
0.33 |
0.37 |
0.16 |
0.05 |
0.02 |
0.01 |
0.01 |
100 |
0.95 |
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澳大利亚东部 |
0.16 |
67.02 |
32.38 |
0.08 |
0.25 |
0.07 |
0.01 |
0.01 |
0.01 |
0.01 |
100 |
0.44 |
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澳大利亚西部 |
0.24 |
65.37 |
33.42 |
0.29 |
0.62 |
0.06 |
0.05 |
0.01 |
0.06 |
0.02 |
100.14 |
1.11 |
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印度 |
0.24 |
67.27 |
31.98 |
0.13 |
0.2 |
0.08 |
0.03 |
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99.93 |
0.44以上 |
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斯里兰卡 |
0.14 |
66.28 |
32.76 |
0.3 |
0.34 |
0.12 |
0.02 |
0.01 |
0.02 |
0.01 |
100 |
0.83 |
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马来西亚 |
0.44 |
68.9 |
26.02 |
1.92 |
1.59 |
0.57 |
0.17 |
0.04 |
0.09 |
0.06 |
99.8 |
4.44 |
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美国 |
|
62.5 |
35 |
1.75 |
0.12 |
0.1 |
0.1 |
0.1 |
0.05 |
|
99.62 |
2.12 |
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7斜锆石化学成分(%) |
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产地 |
SiO2 |
ZrO2 |
TiO2 |
Al2O3 |
Fe2O3 |
CaO |
MgO |
P2O5 |
灼减 |
备注 |
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巴西 |
0.06 |
95.2 |
1.65 |
1.29 |
2.1 |
0.8 |
0.64 |
|
0 |
以斜锆石为主 |
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6.36 |
82.64 |
0.58 |
5.43 |
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0.75 |
2.41 |
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8 锆英石砖的性质 |
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物理性质 |
化学成分% |
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耐火度/℃ |
>1790 |
ZrO2 |
66.02 |
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0.2MPa荷重软化点/℃ |
T1>1620 |
SiO2 |
32.96 |
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T2>1700 |
Al2O3 |
0.6 |
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密度/g·cm-3 |
4.63 |
TiO2 |
0.25 |
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体积密度/g·cm-3 |
3.51~3.67 |
Fe2O3 |
0.23 |
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显气孔率/% |
20.4~24.0 |
CaO |
微 量 |
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耐压强度/MPa |
114~117 |
MgO |
微 量 |
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热膨胀率/% |
0.42 |
碱 类 |
微 量 |
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9致密锆英石砖的物理性质和化学组成 |
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项目 |
指 标 |
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显气孔率/% |
<5 |
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体积密度/ g·cm-3 |
4.20~4.32 |
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常温耐压强度/MPa |
147~588 |
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线膨胀率(1000℃) /% |
0.45~0.55 |
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热导率(1000℃) /W·(m·K)-1 |
1.86~3.25 |
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ZrO2/% |
64~67 |
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SiO2/% |
32~34 |
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Al2O3/% |
0.2~0.8 |
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Fe2O3/% |
0.1~0.5 |
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TiO2/% |
0.5~1.5 |
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10玻璃熔窑用致密锆英石砖的理化指标 |
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项 目 |
指 标 |
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ZS-G |
ZS-Z |
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化学成分/% |
ZrO2 |
≥64 |
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SiO2 |
≤34 |
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Fe2O3 |
≤0.4 |
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体积密度/ g·cm-3 |
≥4.1 |
≥3.84 |
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显气孔率/% |
<2 |
<11 |
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常温抗压强度/MPa |
>392 |
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荷重软化开始温度/℃ |
≥1650 |
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抗静态下玻璃液侵蚀(无碱玻璃,1500℃,保温48h)mm·h-1 |
提供检测数据 |
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11 盛钢桶锆英石砖的理化性能 |
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项目 |
指 标 |
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显气孔率/% |
19~24 |
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常温耐压强度/MPa |
100~300 |
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荷重软化温度/℃ |
>1630 |
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ZrO2/% |
62~63 |
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SiO2/% |
33~34 |
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Fe2O3/% |
0.3~0.5 |
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12 锆英石水口砖的理化性能 |
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ZrO2/% |
显气孔率/% |
显气孔率/% |
体积密度/ g·cm-3 |
常温耐压强度/MPa |
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60 |
≤18 |
≤18 |
3.65 |
>100 |
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62 |
≤18 |
≤18 |
3.68 |
>100 |
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65 |
≤23 |
≤23 |
3.7 |
>100 |
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13改进的锆英石砖 |
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编号No. |
耐火度/℃ |
显气孔率/% |
体积密度/g·cm-3 |
耐压强度/MPa |
荷重软化温度/℃ T2 |
化学成分(质量分数)/% |
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SiO2 |
Al2O3 |
ZrO2 |
Cr2O3 |
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1 |
>1650 |
10~13 |
2.95~3.05 |
70 |
>1450 |
<50 |
<15 |
>35 |
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2 |
>1750 |
13~16 |
3.20~3.30 |
70 |
>1450 |
<45 |
<10 |
>50 |
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3 |
1650 |
11
~ 13 |
2.9~3.0 |
70-90 |
1450 |
50 |
15 |
35 |
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4 |
1670 |
17.4 |
2.93 |
104.4 |
1430 |
41.7 |
22.2 |
40.4 |
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5 |
1710 |
17.5 |
3.14 |
99.8 |
1440 |
37.4 |
16.2 |
50.2 |
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6 |
1790 |
11
~ 14 |
3.45~3.55 |
100~120 |
1580~1600 |
20~22 |
32~35 |
32~35 |
6.5~7.5 |
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7 |
>1790 |
14.9 |
3.59 |
100 |
1600 |
25.38 |
13.24 |
53.84 |
5.02 |
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8 |
>1790 |
17 |
3.45 |
82 |
1540 |
22.76 |
19.47 |
51.35 |
1.42 |
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9 |
>1790 |
11.6 |
3.33 |
111 |
1540 |
24.7 |
31.2 |
39.8 |
1.4 |
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10 |
1610 |
12.2 |
2.96 |
48.2 |
1320 |
56.5 |
8.5 |
31.5 |
含叶蜡石 |
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11 |
|
12 |
3.7 |
129 |
|
36.5 |
1.8 |
61.4 |
含叶蜡石 |
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12 |
|
17 |
3.22 |
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35.5 |
13.85 |
48.8 |
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13 |
|
13 |
13 |
2.86 |
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42.8 |
29.87 |
24.8 |
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14 |
|
12 |
12 |
2.89 |
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27 |
55.8 |
16.3 |
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15 |
|
16 |
16 |
3.15 |
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10.2 |
70 |
19.2 |
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16 |
|
17 |
17 |
3.47 |
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35.1 |
8.5 |
55.9 |
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14 锆英石火泥的理化指标 |
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名称 |
|
SG |
BG |
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耐火度/℃ |
|
>1790 |
>1790 |
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黏结时间/s |
|
100 |
108 |
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耐压强度/MPa |
110℃,24h |
2 |
3.2 |
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1500℃,3h |
11.3 |
19.2 |
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|
ZrO2/% |
|
55.56 |
62.31 |
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粒度组成/% |
≥0.5 |
0 |
0.5 |
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<0.074 |
98.99 |
98.4 |
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15锆英石不定形耐火材料性能 |
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项 目 |
锆英石捣打料 |
锆英石热补料 |
锆英石火泥 |
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美国717 |
日本ZR2000 |
中国建材院 |
美国K500 |
德国ZS63QB |
法国ERPLAST271 |
中国建材院 |
日本ZRM1200 |
中国建材院 |
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化学成分/% |
ZrO2 |
64.5 |
64.8 |
62.98 |
62.2 |
62 |
60 |
65.26 |
61 |
65.62 |
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SiO2 |
33.9 |
31.6 |
33.04 |
31.7 |
|
30 |
32.12 |
34 |
31.78 |
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Al2O3 |
1 |
0.33 |
|
0.2 |
1 |
0.4 |
0.78 |
0.3 |
0.83 |
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Fe2O3 |
0.1 |
0.09 |
0.28 |
0.2 |
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0.27 |
微 |
0.26 |
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体积密度g·cm-3 |
3.36 |
3.5 |
3.6 |
3.66 |
|
3.6 |
3.44 |
|
3.58 |
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线变化率/% |
-0.7 |
-0.1 |
-0.11 |
|
-1.2 |
-5 |
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|
-1.5 |
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晶相 |
|
|
锆英石 |
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锆英石 |
锆英石 |
|
锆英石 |
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耐压强度/MPa |
800℃烧后 |
29.4 |
|
70 |
|
80.0(1600℃) |
|
77.6 |
|
113 |
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1300℃烧后 |
55.2 |
64 |
91 . 4 |
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|
热膨胀率/%〈1000℃〉 |
|
|
0.45 |
|
|
|
0.44 |
|
0.42 |
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16典型的熔铸高氧化锆耐火材料 |
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氧化物 |
氧化物重量/% |
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T牌号 |
A牌号 |
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ZrO2 |
94.1 |
93~95 |
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SiO2 |
3.3 |
3.5~5 |
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Al2O3 |
0.6 |
0.3~1 |
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TiO2 |
0.06 |
1 |
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P2O5 |
|
0.05~0.15 |
|
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Na2O |
0.04 |
0.3~0.5 |
|
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|
Fe2O3 |
0.05 |
|
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其他 |
约1.2 |
0.4~0.6 |
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17熔铸氧化锆砖与AZS砖的典型特性 |
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特 性 |
熔铸氧化锆 |
AZS砖 |
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|
A牌号 |
T牌号 |
40%ZrO2 |
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体积密度/g·cm-3 |
5.25~5.45 |
5.24~5.59 |
3.93 |
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显气孔率/% |
0.5~1.0 |
0.4~0.7 |
0.9 |
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常温耐压强度/MPa |
294 ~490 |
490 |
354~562 |
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热膨胀率/% |
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1000℃ |
0.68 |
0.41 |
0.91 |
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1200℃ |
0.31 |
0.5 |
0.77 |
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1500℃ |
0.44 |
0.63 |
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热导率/W·(m·K)-1 |
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1000℃ |
2.27 |
2.44 |
2.84 |
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1200℃ |
2.5 |
2.8 |
2.91 |
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电阻率/Ω·cm |
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1000℃ |
12 |
5 |
600 |
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1200℃ |
640 |
270 |
260 |
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1500℃ |
210 |
100 |
120 |
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18烧结氧化锆耐火材料性能 |
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化学成分/% |
ZrO2 |
97 |
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MgO |
2 |
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SiO2 |
0.5 |
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显气孔率/% |
17 |
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热膨胀/% |
1000℃ |
0.6 |
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1000℃ |
0.16 |
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1300℃ |
0.21 |
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1500℃ |
0.37(估计) |
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19斜锆石砖的性能 |
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制品的性能 |
化学成分/% |
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显气孔率/% |
体积密度/g·cm-3 |
耐压强度/MPa |
抗热震性(1300℃~水冷)/次 |
ZrO2+HfO2 |
CaO |
Al2O3 |
Fe2O3 |
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16.9~17.5 |
4.54~4.59 |
45.9~52.5 |
9 |
90.1 |
3.4 |
4 |
0.35 |
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18.9~20.6 |
4.40~4.50 |
54.4~93.5 |
6 |
90.4 |
3.7 |
3.4 |
0.15 |
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15.6~16.9 |
4.59~4.69 |
63.8~93.0 |
12 |
91.8 |
3.7 |
2.4 |
0.45 |
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17.1~17.3 |
4.62~4.64 |
53.1 ~80.6 |
未测 |
91 |
3.7 |
2.4 |
0.27 |
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19.5 |
4.49 |
55 |
未测 |
89.1 |
3.5 |
3.4 |
0.47 |
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18.4~19.5 |
4.46~4.48 |
62.2~64.0 |
未测 |
89.1 |
3.6 |
2.7 |
0.46 |
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20.2 |
4.42 |
40 |
未测 |
89.5 |
3.7 |
3.2 |
0.54 |
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20铝锆酸钡结合剂的特性 |
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质量比/% |
耐火度℃ |
耐压强度/MPa |
化学成分/% |
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BaO·Al2O3(BA) |
BaO·ZrO2(BA) |
3d |
28d |
Al2O3 |
BaO |
ZrO2 |
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60 |
40 |
2050 |
88 |
110 |
24 |
58 |
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18 |
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40 |
60 |
2250 |
54 |
90 |
16 |
57 |
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27 |
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30 |
70 |
2320 |
40 |
53 |
12 |
56.5 |
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31.5 |
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20 |
80 |
2420 |
28 |
39 |
8 |
56 |
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36 |
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10 |
90 |
2450 |
5~9 |
20~26 |
4 |
55.5 |
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40.5 |
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21氧化锆耐火浇注料的性能 |
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热处理温度/℃ |
水泥用量/10% |
水泥用量/20% |
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显气孔率/% |
体积密度/g·cm-3 |
耐压强度/MPa |
显气孔率/% |
体积密度/g·cm-3 |
耐压强度/MPa |
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120 |
14.9 |
4.54 |
22.0 |
17.5 |
4.40 |
23.0 |
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300 |
17.5 |
4.47 |
21.7 |
17.6 |
4.41 |
33.0 |
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800 |
20.6 |
4.43 |
28.8 |
19.1 |
4.44 |
38.6 |
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1000 |
18.3 |
4.51 |
24.7 |
18.5 |
4.54 |
28.3 |
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1200 |
19.3 |
4.49 |
20.5 |
19.0 |
4.40 |
28.0 |
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1750 |
17.0 |
4.57 |
39.8 |
17.5 |
4.50 |
32.4 |
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22氧化锆耐火泥的性能 |
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水泥用量/% |
在下列温度处理后的常温抗剪强度/MPa |
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120 |
300 |
800 |
1000 |
1200 |
1400 |
1750 |
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1000℃ |
1.8 |
2.7 |
2.8 |
3.8 |
5.5 |
13 |
15.5 |
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20 |
4.5 |
4.9 |
4.5 |
4.4 |
7.3 |
13.7 |
15.9 |
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23 氧化锆纤维的特性 |
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代号特性 |
NZ |
C4Z |
Y7Z |
M7Z |
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化学成分/% |
ZrO2+HfO299 |
ZrO2+HfO295 CaO 4 |
ZrO2+HfO292 Y2O3 7 |
ZrO2+HfO292 MgO 7 |
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晶相 |
单斜晶 |
四方晶 |
四方晶 |
单斜晶 |
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外观 |
白 色 |
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纤维直径/μm |
5 |
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纤维长度/μm |
0.5~3 |
20~30 |
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熔点/℃ |
约2600 |
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热导率/W·(m·K)-1 |
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500℃ |
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0.12 |
0.14 |
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1000℃ |
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0.3 |
0.2 |
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1500℃ |
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0.87 |
0.27 |
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密度/g·cm-3 |
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0.1 |
0.4 |
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24无机纤维的熔点 |
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纤维种类 |
熔点/℃ |
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氧化锆纤维 |
约2600 |
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氧化铝纤维 |
约2000 |
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硅酸铝纤维 |
约1750 |
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硅 纤 维 |
约1650 |
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玻璃纤维 |
约800 |
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25 氧化锆纤维板的特性 |
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特 性 |
Y7ZB |
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说 明 |
由Y2O3部分稳定氧化锆纤维真空成型后热处理 |
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气孔率/% |
76 |
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密度/g·cm-3 |
1.4 |
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抗折强度/MPa |
2.5 |
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常温耐压强度/% |
2.5 |
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残余线性变化/% |
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1500℃,8h |
<0.1 |
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1800℃,8h |
0.2 |
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热膨胀/% |
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1000℃ |
0.9 |
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1500℃ |
1.5 |
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热导率/W·(m·K)-1 |
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1000℃ |
0.28 |
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1500℃ |
0.36 |
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化学成分/% |
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ZrO2+HfO2 |
90 |
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Y2O3 |
7 |
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MgO+CaO |
2 |
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26纤维复合板的特性 |
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CBZ-1 |
CBZ-2 |
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说明 |
由Y2O3部分稳定的氧化锆纤维和氧化锆粉复合而成的 |
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气孔率/% |
60 |
73 |
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密度/g·cm-3 |
2.3 |
1.6 |
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抗折强度/MPa |
2.9 |
2 |
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常温耐压强度/MPa |
4.4 |
2.5 |
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残余线性变化/% |
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1600℃,8h |
0.1 |
0.1 |
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1800℃,8h |
0.3 |
0.2 |
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热膨胀率/% |
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1000℃ |
1 |
1 |
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1500℃ |
1.6 |
1.6 |
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热导率/W·(m·K)-1 |
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1000℃ |
0.44 |
0.45 |
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1500℃ |
0.52 |
0.68 |
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化学组成/% |
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ZrO2+HfO2 |
90 |
90 |
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Y2O3 |
2 |
2 |
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MgO+CaO |
5 |
5 |
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27 电炉衬试验的结果 |
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试
样 |
加热温度/℃·h-1 |
保温时间① |
冷却速度/℃·h-1 |
衬板的外观 |
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1 |
300 |
30min |
300 |
无变化 |
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2 |
300 |
2h |
300 |
无变化 |
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3 |
450 |
2h |
450 |
无变化 |
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4 |
600 |
2h |
600 |
无变化 |
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28氧化锆纸的性能 |
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性能 |
ZP-1 |
ZP-2 |
ZP-3 |
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化学成分/% |
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ZrO2+HfO2 |
89 |
91 |
94 |
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Y2O3 |
6 |
4 |
1 |
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厚度/mm |
0.5 |
0.5 |
0.5 |
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密度/g·cm-3 |
0.9 |
1 |
1.3 |
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抗拉强度/kg·(20mm) -1 |
0.7 |
0.6 |
0.7 |
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伸长率/% |
3.5 |
1.5 |
1.5 |
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纤维含量/% |
97 |
49 |
10 |
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29氧化锆纤维浇注料的性能 |
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性能 |
ZFC-1 |
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说明 |
室温下硬化;Y2O3部分稳定氧化锆纤维和氧化锆粉复合材料 |
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干燥后: |
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抗折强度/MPa |
4.4 |
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显气孔率/% |
35 |
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密度/ g·cm-3 |
3.05 |
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800℃加热2h后: |
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抗折强度/MPa |
3.9 |
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显气孔率/% |
49 |
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密度/ g·cm-3 |
2.85 |
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1500℃加热2h后: |
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抗折强度/MPa |
12.7 |
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显气孔率/% |
32 |
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密度/ g·cm-3 |
3.92 |
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化学成分/% |
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ZrO2+HfO2 |
91 |
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Y2O3 |
8 |
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30 氧化锆涂料的性能 |
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辐射率 |
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测试温度/℃ |
400 800 1000 |
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辐射率(ε) |
>0.90 0.85 0.84 |
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波长λ/μm |
4~20 2.5~20 2.5~15 |
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导温系数 |
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测试温度/℃ |
500 |
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导温系数α/cm2·s-1 |
0.0066 |
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热导率 |
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测试温度/℃ |
500 |
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热导率λ/W·(cm·K)-1 |
0.0146 |
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显气孔率/% |
25 |
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体积密度g·cm-3 |
2.41 |
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莫氏硬度 |
>4 |
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结合强度/MPa |
>5.0 |
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31氧化锆空心球隔热砖性能 |
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种 类 |
FU-1 |
RZ5603 |
IB |
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重烧收缩率/% |
2800℃时>2.0 |
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体积密度/g·cm-3 |
1.8~2.0 |
2.45 |
1.8~2.0 |
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耐压强度/MPa |
10~23 |
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10~30 |
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气孔率/% |
50~60 |
58 |
50~60 |
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耐火度SK |
<42 |
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化学成分/% |
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ZrO2 |
<94 |
92 |
94 |
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CaO |
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4.6 |
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32氧化锆空心球化学成分(质量分数/%) |
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球粒 |
主要成分 |
ZrO2 |
Y2O3 |
SiO2 |
TiO2 |
Fe2 O3 |
CaO |
Na2O |
Al2 O3 |
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A |
ZrO2 |
99.69 |
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0.08 |
0.07 |
0.05 |
0.07 |
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微量 |
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Ъ |
斜锆石精矿 |
95.77 |
微量 |
0.37 |
0.12 |
0.06 |
0.27 |
0.03 |
3.33 |
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B |
ZrO2① |
97.94 |
1 . 56 |
0.13 |
0.11 |
0.08 |
0.09 |
0.04 |
微量 |
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33氧化锆空心球堆密度 |
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粒度/μm |
堆密度/g·cm-3 |
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球A |
球Ъ |
球B |
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>2000 |
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1.28 |
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2000~ 1600 |
1.99 |
1.23 |
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1600~ 1250 |
1.93 |
1.17 |
1.75 |
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1250~ 1000 |
1.82 |
1.12 |
1.68 |
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1000 ~ 800 |
1.67 |
1.11 |
1.64 |
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800~ 630 |
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1.08 |
1.63 |
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34氧化锆空心球的形态 |
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球 粒 |
平均直径/μm |
平均壁厚/μm |
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A |
2430 |
340 |
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Ъ |
1240 |
240 |
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B |
2630 |
400 |
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