多冷却塔循环水系统的能耗优化_龙德晓.pdfVIP

28, 160 5 6 V ol128, Sum1No1160 2010 3, 2 ENERGY CONSERVAT ION TECHNOLOGY M ar12010, No12 多冷却塔循环水系统的能耗优化 1 2 , ( 11青岛科技大学 计算机与化工研究所, 山东 青岛 266042; 21兰州理工大学 石油化工学院, 甘肃 兰州 30050) : 建立了电耗为 标函数的多冷却塔循环水系统数学模型, 先用计算软件 MATLAB确 定循环水最佳出塔温度, 然后用商业软件 GAM S求解出电耗最小时的分配系数, 并给出了最优结 构; 文章最后部分给出了详细的案例分析, 将优化前后风机和水泵的电耗, 总电耗加以比较; 结果表 明, 优化后风机和水泵的电耗均有所降低, 总电耗降低多达 20% 左右, 节能效果明显 : 循环水系统; 电耗; 优化 : TU 991. 34 : A : 1002- 6339 ( 2010) 02- 0103- 04 Energy Saving Optim ization of the Circulating W ater System withM ulti- cooling Towers 1 2 LONG D e- xiao, LI Zh i- m in ( 11 Institute of Computer and Chem ical Engineering, Q ingdao Un iversity of Science and Technology 266042 Q ingao, Ch ina; 21School of Petroleum and Chem icalEngineering, Lanzhou U niversity of Science and Technology 30050 Lanzhou, China) Abstract: An energy saving optmi ization model of mu lti- cooling tow ers circu lating w ater system w as es- tablished. Firstly, the optmi al temperature at leaving tow er of circu latingw aterw as ascertained byMAT- LAB softw are, then, m atch ing coefficient w as solved w hen the pow er consumption w as m inmi al by NLP ( non- linear programm ing ) in GAM S- a business softw are, finally, the optmi al structure w as given. In the last part of this paper, a case study w as presented in detail, the power comsumption of fa