陕西理工学院
硕士学位论文
工业余热氨水吸收式制冷系统仿真优化Simulation and Optimization of IndustrialWasteHeat Ammonia AbsorptionRefrigeration System
论文作者：指导教师、职称： 杨永平教授学科、专业名称： 机械制造及其自动化研究方向： 机械装备的设计与制造研究
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作者签名：票明身K201年6月8日
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Abstract
At present China's energy efficiency is relatively low a large number of industrial wasteheat to smoke gas and other forms of emissions into the atmosphere which makes energycaused a huge waste; at the same time due to the improvement of people's living standards the demand for air conditioning and cold storage of food drugs are rapid growth which wouldhas brought great pressure on resources and the environment. It is high significant value thatindustrial waste heat drive absorption refigeration system.n this thesis industrial waste heatunder the system cost is not increased thereby industrial waste heat ammonia absorptionrefrigeration system cooling efficiency has been improved.
Firstly we aimed at the problem that is the speed of the look-up table slowly and getcalculation of thermophysical properties of ammonia it can quickly calculate thermophysicalparameters of ammonia and lay the foundation for optimization of refrigeration system.
Secondly the various parts of the industrial waste heat NH-HO absorption refrigerationsystem is modeled VC is used to write the calculation software the software can calculateeach state point of thermodynamic parameters of system material balance heat balance equipment heat load the main consumption index.According to the calculation results of thesystem state parameters this thesis analyzes the refrigeration temperature cooling watertemperature the hot end temperature difference of the generator the hot end temperaturedifference of the condenser temperature difference of evaporator，the cold end temperaturedifference of the absorber and the solution heat exchanger the impact of industrial waste heatNH3-HO absorption refrigeration system.
Finally coordinate rotation method was used to ply with the system parameteroptimization software. The objective function of the software is the largest system Coefficientof Performance minimum heat transfer area and the minimum area performance ratio.Thesoftware optimizes the following parameters they are the refrigeration temperature coolingwater temperature the hot end temperature difference of the generator the hot end temperature
difference of the condenser temperature difference of evaporator the cold end temperaturedifference of the absorber and the solution heat exchanger. By parative analysis of results when optimization goal for the minimum area performance ratio the optimization results canfully reflect the overall performance of the system.
Key words: NH-HO absorption refrigeration systems; Industrial waste heat; Softwaredesign;Optimization
目录
第1章绪论
1.1选题背景及意义1.2工业余热氨水吸收式制冷系统的研究现状1.2.1新型工质对的研究1.2.2强化传热传质的研究1.2.3系统循环的研究1.3工业余热氨水吸收式制冷系统的工作原理 J1.4本文主要研究内容，
第2章氨水热力参数和状态参数程序化 .9
2.1氨水溶液的性质 .92.2氨水溶液的状态方程 102.1.1S.C.G.Schult状态方程 ..1.02.1.2状态参数表达. ...132.3氨水状态参数程序化. .172.3.1模块设计.. ..172.3.2程序界面 ..172.3.3计算结果 ..182.4本章小结... ..0
第3章工业余热氨水吸收式制冷循环系统数学模型 .21
3.1工业余热氨水吸收式制冷循环系统概述.. .21.3.2工业余热氨水吸收制冷系统数学模型概述 .223.2.1氨水吸收式制冷系统的数学模型的基本假设 ..223.2.2热力计算3.3工业余热氨水吸收式制冷系统状态参数的计算 ..243.4工业余热氨水制冷系统的数学模型. ..28
