太阳能-第二类吸收式热泵联合供热系统性能的数值研究  

Numerical study on the performance of heating system with solar-assisted absorption heat transformer

作　　者：贺冬辰 陈宗帅 孙智冬 李绍勇[1] He Dongchen;Chen Zongshuai;Sun Zhidong;Li Shaoyong(School of Civil Engineering,Lanzhou University of Technology,Lanzhou 730050,China)

机构地区：[1]兰州理工大学土木工程学院,甘肃兰州730050

出　　处：《可再生能源》2021年第5期603-610,共8页Renewable Energy Resources

基　　金：国家自然科学基金(51808275);兰州理工大学博士研究基金项目(B04-237);兰州理工大学建工七七基金项目(TM-QK-1301)。

摘　　要：可再生能源和新型节能技术的综合应用,可以解决我国北方地区冬季采暖产生的能耗和污染问题。基于上述理论,文章构建了太阳能-第二类吸收式热泵联合供热系统,并提出了4种运行模式以达到冬季稳定供暖的目的。文章建立了第二类吸收式热泵机组的数学模型,并利用MATLAB软件编写了机组模块。同时,借助TRNSYS软件建立了太阳能-第二类吸收式热泵联合供热系统的仿真模型,并基于冬季典型日的模拟结果分析了该系统的性能。模拟结果表明:太阳能-第二类吸收式热泵联合供热系统是可行的,该系统在运行期间可为用户提供60℃以上的采暖热水,系统的太阳能保证率可达到0.615;与燃气锅炉供热相比,节省了45.7%的燃料费用。The comprehensive application of clean renewable energy and new energy-saving technologies is an important measure to solve the energy consumption and pollution problems caused by winter heating in northern China.Based on above theory,the design strategy of a heating system with solar-assisted absorption heat transformer(HSSAAHT)and four operating modes are developed in this paper,which can make this hybrid heating system achieve the purpose of stable heating in winter.The mathematical model of AHT unit is established and programmed by MATLAB software.The corresponding simulation model of HSSAAHT is configured by TRNSYS software and the performance of the system on a typical day in winter is also carried out based on the simulation results.The results show that the design of HSSAAHT is feasible.HSSAAHT can provide users with hot water above 60℃during operation and the solar energy guarantee rate of the system reaches 0.615.Compared with gas boiler heating system,HSSAAHT can save fuel costs by 45.7%.

关 键 词：太阳能 第二类吸收式热泵 供热系统 TRNSYS软件 仿真模型 

分 类 号：TK51[动力工程及工程热物理—热能工程]