化工学报 ›› 2024, Vol. 75 ›› Issue (3): 815-822.DOI: 10.11949/0438-1157.20231047
谷世良1,2(), 谭博仁1, 程全中1,2, 姚玮洁3, 董志鹏4, 许峰4, 王勇1,2()
收稿日期:
2023-10-09
修回日期:
2024-02-18
出版日期:
2024-03-25
发布日期:
2024-05-11
通讯作者:
王勇
作者简介:
谷世良(1998—),男,硕士研究生,gushiliang723@163.com
基金资助:
Shiliang GU1,2(), Boren TAN1, Quanzhong CHENG1,2, Weijie YAO3, Zhipeng DONG4, Feng XU4, Yong WANG1,2()
Received:
2023-10-09
Revised:
2024-02-18
Online:
2024-03-25
Published:
2024-05-11
Contact:
Yong WANG
摘要:
混合澄清槽是重要的萃取分离设备,采用计算流体力学(CFD)方法研究了一种新型轴流泵式混合澄清槽内流体流动与剪切力,确定了搅拌桨型对混合室内的平均剪切速率、剪切速率空间分布、剪切速率概率分布的影响,结果表明:与传统泵轮式混合室相比,轴流泵式混合室内锥形泵及双桨叶的搭配可以大幅提高混合室的抽吸力与剪切力,搭配六叶半闭式涡轮桨后抽吸力可提升87%,混合室平均剪切速率提升90%,同时轴流泵式混合室内剪切力的分布更加均匀。
中图分类号:
谷世良, 谭博仁, 程全中, 姚玮洁, 董志鹏, 许峰, 王勇. 轴流泵式混合室内水力学特征的数值模拟[J]. 化工学报, 2024, 75(3): 815-822.
Shiliang GU, Boren TAN, Quanzhong CHENG, Weijie YAO, Zhipeng DONG, Feng XU, Yong WANG. Numerical simulation of hydraulic characteristics in axial flow pump type mixer[J]. CIESC Journal, 2024, 75(3): 815-822.
AFPM+Propeller | AFPM+SBSCT | TM+SBSCT |
---|---|---|
472658个 | 449610个 | 206706个 |
表1 各混合室网格数
Table 1 Grid number of mixer with different structure
AFPM+Propeller | AFPM+SBSCT | TM+SBSCT |
---|---|---|
472658个 | 449610个 | 206706个 |
设备名称 | 平均剪切速率比值 |
---|---|
AFPM+Propeller | 4.22 |
AFPM+SBSCT | 4.59 |
TM+SBSCT | 10.07 |
表2 混合室内平均剪切速率比值
Table 2 The ratio of average shear rate of mixers
设备名称 | 平均剪切速率比值 |
---|---|
AFPM+Propeller | 4.22 |
AFPM+SBSCT | 4.59 |
TM+SBSCT | 10.07 |
设备名称 | 平均湍动能/(10-3 m2/s2) |
---|---|
AFPM+Propeller | 5.56 |
AFPM+SBSCT | 5.14 |
TM+SBSCT | 2.56 |
表3 混合室内平均湍动能
Table 3 Average turbulent kinetic energy in mixer
设备名称 | 平均湍动能/(10-3 m2/s2) |
---|---|
AFPM+Propeller | 5.56 |
AFPM+SBSCT | 5.14 |
TM+SBSCT | 2.56 |
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