干湿联合冷却塔冷却节水分析软件开发及应用

doi:10.16085/j.issn.1000-6613.2020-1475

摘要/Abstract

摘要：

为实现对干湿联合冷却塔冷却特性、节水特性的综合分析，编制干湿联合冷却塔校核计算流程，基于Visual Studio开发平台，本文开发了干湿联合冷却塔冷却节水特性分析优化软件。通过对某在运干湿联合冷却塔进行冷却节水特性计算，验证了所开发软件计算结果的准确性；在消雾节水计算结果基础上，对标干湿联合消雾冷却塔验收测试规程，生成其成雾频率曲线、耗水量曲线、塔雾指数、冷却特性曲线，综合分析其消雾特性、节水特性及冷却特性，从而确定了干湿联合冷却塔的最佳运行工况。同时运用所开发软件对比分析了某冷却塔设计干段散热面积对其消雾特性、节水特性及冷却特性的耦合影响，并分析了百叶窗开度对干湿联合冷却塔性能的影响，为干湿联合冷却塔的运行优化和设计优化提供了工具性软件支持。

关键词: 干湿联合冷却塔, 蒸发, 优化设计, 计算机模拟, 冷却节水分析软件

Abstract:

In order to realize comprehensive analysis the cooling and water-saving characteristics of dry-wet hybrid cooling towers, established the check calculation process of dry-wet hybrid cooling tower and based on the Visual Studio development platform, a software for analysis and optimization of cooling, water-saving characteristics of dry-wet hybrid cooling tower was developed. The accuracy of the software was verified by calculating the water-saving and cooling characteristics of a dry-wet hybrid cooling tower in operation. On the basis of the calculation results of plume abatement and water saving, according to the standard dry-wet hybrid plume abatement cooling tower acceptance test code, the fogging frequency curves, water consumption curves, tower plume indictor and cooling characteristic curves were generated. Thus, the optimum operating condition of the dry-wet hybrid cooling tower was determined. At the same time, the coupling effects of design dry section radiator area on the plume abatement, water-saving and cooling characteristics of the cooling tower were compared and analyzed by using the developed software, and the influence of the louver opening on the performance of the dry-wet hybrid cooling tower was analyzed, which can provide instrumental software support for the operation optimization and design optimization of the dry-wet hybrid cooling tower.

Key words: dry-wet hybrid cooling tower, evaporation, optimal design, computer simulation, cooling and water-saving analysis software

中图分类号:

TK-9

胡少华, 高沙沙, 刘忠超, 赵延春, 许向阳, 赵元宾. 干湿联合冷却塔冷却节水分析软件开发及应用[J]. 化工进展, 2020, 39(S2): 447-453.

Shaohua HU, Shasha GAO, Zhongchao LIU, Yanchun ZHAO, Xiangyang XU, Yuanbin ZHAO. Development and application of cooling and water-saving analysis software for dry-wet hybrid cooling tower[J]. Chemical Industry and Engineering Progress, 2020, 39(S2): 447-453.

图/表 18

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项目	数值	项目	数值
干球温度/℃	0.98	单塔尺寸/m	18.3×18.3
湿球温度/℃	-1.18	风机直径/m	9.75
大气压/kPa	97.1	填料高度/m	1.5
相对湿度/%	64	干区进水比例/%	100
进塔水温/℃	31.3	干区进风量/m³·h^-1	1864600
干区出水温度/℃	28.21	湿区进风量/m³·h^-1	842700
出塔水温/℃	23.89

项目	数值	项目	数值
干球温度/℃	0.98	单塔尺寸/m	18.3×18.3
湿球温度/℃	-1.18	风机直径/m	9.75
大气压/kPa	97.1	填料高度/m	1.5
相对湿度/%	64	干区进水比例/%	100
进塔水温/℃	31.3	干区进风量/m³·h^-1	1864600
干区出水温度/℃	28.21	湿区进风量/m³·h^-1	842700
出塔水温/℃	23.89

项目	数值	项目	数值
干球温度/℃	0.7	单塔尺寸/m	19×19
湿球温度/℃	-0.62	填料高度/m	1.8
大气压/kPa	101.3	干区进水比例/%	45
相对湿度/%	77	干区进风量/m³·h^-1	1899000
进塔水温/℃	29	湿区进风量/m³·h^-1	1362000
出塔水温/℃	19	单塔循环水量/m³·h^-1	4800

项目	数值	项目	数值
干球温度/℃	0.7	单塔尺寸/m	19×19
湿球温度/℃	-0.62	填料高度/m	1.8
大气压/kPa	101.3	干区进水比例/%	45
相对湿度/%	77	干区进风量/m³·h^-1	1899000
进塔水温/℃	29	湿区进风量/m³·h^-1	1362000
出塔水温/℃	19	单塔循环水量/m³·h^-1	4800

散热器高度/m	干区出水温度/℃	湿区进水温度/℃	出塔水温/℃
2.7	25.86	27.587	20.17
5.4	25.33	27.348	19.70
6.7	25.29	27.33	19.04