Numerical simulation research of flow field in ammonia-based wet flue gas desulfurization tower

被引：45

作者：

Wang, S. J. ^{[1
]}

Zhu, P. ^{[1
]}

Zhang, G. ^{[1
]}

Zhang, Q. ^{[1
]}

Wang, Z. Y. ^{[1
]}

Zhao, L. ^{[1
]}

机构：

[1] Wuhan Univ Sci & Technol, Hubei Key Lab Coal Convers & New Carbon Mat, Wuhan 430081, Hubei, Peoples R China

来源：

JOURNAL OF THE ENERGY INSTITUTE | 2015年 / 88卷 / 03期

基金：

国家高技术研究发展计划(863计划);

关键词：

Ammonia-based WFGD; Sintering flue gas; Numerical simulation; Flow field; Spray levels; SULFUR-DIOXIDE ABATEMENT; DYNAMICS; REMOVAL; COLUMN;

D O I：

10.1016/j.joei.2014.09.002

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

With the increasingly strict requirements of environmental protection, the removal of sulfur dioxide from a desulfurization tower has been a major target in China. Aimed at sintering flue gas desulfurization tower, ANSYS CFX software was used to simulate gas liquid two-phase flow field in full-scale, in which the demist area was modeled as a porous medium regions, and the mesh independence confirmation was took into consideration. Comparing the flow field distribution under different spray levels, the flow field of the combination model of 2nd and 3rd spray level was relatively uniform, gas liquid contact time was longer, which was beneficial to heat transfer; And the flow field distributions in tower for 3 layouts were not yet perfect for desulfurization; the pressure drop took place mainly in the absorber zone. This research could provide reference for the optimization and the select of spray levels with high desulfurization efficiency later. (C) 2014 Energy Institute. Published by Elsevier Ltd. All rights reserved.

引用

页码：284 / 291

页数：8

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