中文摘要：

针对浅层地热能应用过程中尚未解决的热平衡控制、天然气基分布式能源系统含硫低温烟气余热无法回收利用两个关键问题,基于能的综合梯级利用以及主动式热平衡思想,提出基于主动式热平衡集成机理的燃气轮机与热泵耦合一体化应用分布式热电联产系统,借助新型集成方式将含硫低温烟气余热回收与土壤源热泵一体化应用,不仅同时解决含硫低温烟气余热回收以及热失衡问题,并大幅提高系统热力性能与系统运行稳定性。采用流程模拟软件Aspen-plus完成新型系统以及参比系统性能对比计算,计算结果表明,较之参比系统,该新型系统总能系统效率达到82.7%,较参比系统73.8%,提高8.9个百分点;？效率为28.8%,较参比系统25.8%,提高3个百分点。该新型统的集成方法与思路为中低温烟气余热的高效应用提供一种新解决途径。

英文摘要：

According to the principle of cascade utilization and energy saving potential during heat transfer process, and in order to realize higher efficiency of the natural gas based combined cooling, heating and power system（NG-CHP for short）and ground source heat pump（GSHP for short） coupling systems, the authors proposed a novel NG-CHP and GSHP integrating distributed system, which can make a better use of flue gas with middle-low temperature by help of integrating GHSP. Compare with reference system, by help of simulation software Aspen plus, the calculation results shown that, the suggested system can obtain a much better thermal system performance, which can obtain total energy system efficiency 82.7%, 8.9 percentage higher than reference system 73.8%; and exergy efficiency 28.8%, 3 percentage higher than reference system 25.8%. The integrating method can supply a new and potential way for effective utilization of heat with middle-low temperature.