CIESC Journal ›› 2023, Vol. 74 ›› Issue (4): 1519-1527.DOI: 10.11949/0438-1157.20221562
• Fluid dynamics and transport phenomena • Previous Articles Next Articles
Hao ZHANG1(), Huibin XU1,2(), Jian GAO1, Dihong LIU1, Zehua ZHOU1
Received:
2022-12-05
Revised:
2023-02-23
Online:
2023-06-02
Published:
2023-04-05
Contact:
Huibin XU
张浩1(), 徐惠斌1,2(), 高健1, 刘帝宏1, 周泽华1
通讯作者:
徐惠斌
作者简介:
张浩(1998—),男,硕士研究生,zhangh199812@163.com
基金资助:
CLC Number:
Hao ZHANG, Huibin XU, Jian GAO, Dihong LIU, Zehua ZHOU. Geldart-D wet particle tilt-fall behavior and its reinforcement[J]. CIESC Journal, 2023, 74(4): 1519-1527.
张浩, 徐惠斌, 高健, 刘帝宏, 周泽华. Geldart-D类湿颗粒倾斜落料行为及其强化[J]. 化工学报, 2023, 74(4): 1519-1527.
Fig.1 Schematic of the visualized tilt-fall experimental setup with mechanical vibration coupled with auxiliary fluidized gas1—Roots blower; 2—gas storage tank; 3—ball valve; 4—rotor flow meter; 5—vibration table; 6—vibration control box; 7—bed; 8—removable inclined bottom plate; 9—gate; 10—beaker; 11—electronic balance
编号 | 种类 | 平均直径dp/mm | 真实密度ρp/(g·ml-1) | 堆积密度ρb/(g·ml-1) | 空隙率ε |
---|---|---|---|---|---|
Particle 1 | 塑料珠 | 2.0 | 1.19 | 0.75 | 0.37 |
Particle 2 | 玻璃珠 | 2.0 | 2.23 | 1.39 | 0.38 |
Particle 3 | 氧化锆珠 | 2.0 | 2.93 | 1.82 | 0.38 |
Table 1 Properties of experimental particles
编号 | 种类 | 平均直径dp/mm | 真实密度ρp/(g·ml-1) | 堆积密度ρb/(g·ml-1) | 空隙率ε |
---|---|---|---|---|---|
Particle 1 | 塑料珠 | 2.0 | 1.19 | 0.75 | 0.37 |
Particle 2 | 玻璃珠 | 2.0 | 2.23 | 1.39 | 0.38 |
Particle 3 | 氧化锆珠 | 2.0 | 2.93 | 1.82 | 0.38 |
编号 | 成分 | 表面张力σ/(mN·m-1) | 液体动力黏度μ/(mPa·s) | |
---|---|---|---|---|
CaCl2溶液/ %(mass) | TritonX-100/ %(mass) | |||
1 | 35 | 0 | 86.2 | 15.2 |
2 | 35 | 0.02 | 66.0 | 15.2 |
3 | 35 | 0.08 | 54.1 | 15.2 |
4 | 35 | 0.26 | 47.6 | 15.2 |
Table 2 Properties of experimental liquids
编号 | 成分 | 表面张力σ/(mN·m-1) | 液体动力黏度μ/(mPa·s) | |
---|---|---|---|---|
CaCl2溶液/ %(mass) | TritonX-100/ %(mass) | |||
1 | 35 | 0 | 86.2 | 15.2 |
2 | 35 | 0.02 | 66.0 | 15.2 |
3 | 35 | 0.08 | 54.1 | 15.2 |
4 | 35 | 0.26 | 47.6 | 15.2 |
振动强度Γ | 工作电压UΓ /V | 工作电流IΓ /A |
---|---|---|
0.4 | 323 | 0.4 |
0.8 | 323 | 0.6 |
1.2 | 324 | 0.9 |
1.6 | 324 | 1.1 |
1.9 | 324 | 1.3 |
Table 3 Comparison of vibration intensity Γ with operating current IΓ and voltage UΓ
振动强度Γ | 工作电压UΓ /V | 工作电流IΓ /A |
---|---|---|
0.4 | 323 | 0.4 |
0.8 | 323 | 0.6 |
1.2 | 324 | 0.9 |
1.6 | 324 | 1.1 |
1.9 | 324 | 1.3 |
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