基于分布式能源项目科技创新研究分析
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摘要
分布式能源是我国"十三五"期间重点推进产业,预计到2020年我国分布式能源项目装机将达到1 500万kW。以某医院分布式能源站项目为例,探讨分布式能源项目系统设计的重难点问题,创新性地提出相应的解决方案。采用逐时负荷系数法对医院冷热电负荷进行合理预测;采用燃气内燃机、余热利用设备、调峰设备相结合的装机方案,既满足用户的负荷需求,又避免原动机装机过大的通病;从需求侧出发,合理估算项目能耗及能效指标,避免从供应端计算能耗指标需设置较多负荷调整系数的问题。
Distributed energy project is a key industry during the 13th five-year Plan period in China.It is expected that the installation of distributed energy project in China will reach 15 million kW by 2020.Taking the distributed energy station project of a hospital as an example,this paper probes into the important and difficult problems in the system design of the distributed energy project,and puts forward the corresponding solutions innovatively.The hourly load coefficient method is used to predict the hospital cold and thermoelectric load reasonably,and the installation scheme of gas internal combustion engine,waste heat utilization equipment and peak shaving equipment are adopted,which not only meet the load demand of users,but also avoid the common problem of excessive prime mover installation.From the demand side,the energy consumption and energy efficiency index of the project should be estimated reasonably,so as to avoid the problem that more load adjustment coefficients should be set to calculate the energy consumption index from the supply side.
Distributed energy project is a key industry during the 13th five-year Plan period in China.It is expected that the installation of distributed energy project in China will reach 15 million kW by 2020.Taking the distributed energy station project of a hospital as an example,this paper probes into the important and difficult problems in the system design of the distributed energy project,and puts forward the corresponding solutions innovatively.The hourly load coefficient method is used to predict the hospital cold and thermoelectric load reasonably,and the installation scheme of gas internal combustion engine,waste heat utilization equipment and peak shaving equipment are adopted,which not only meet the load demand of users,but also avoid the common problem of excessive prime mover installation.From the demand side,the energy consumption and energy efficiency index of the project should be estimated reasonably,so as to avoid the problem that more load adjustment coefficients should be set to calculate the energy consumption index from the supply side.
引文
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[14]张耀辉.节能评估报告中电能消耗的计算方法[J].节能,2012(6):15-18.
[15]康书硕,李洪强,蔡博,等.冷热电联供系统中“以热定电”与“以电定热”的分析研究[J]建筑科学, 2012(增刊2):255-259.
[2]马悦,董舟.分布式能源系统的研究及配置方案分析[J].节能,2011(4):15-19.
[3]孙仲武.热电冷三联供系统效能分析[J].价值工程,2012,31(21):53-54.
[4]于秀艳.楼宇天然气分布式能源站装机方案分析[J].华电技术, 2014(6):4-7.
[5]蒋惠琴.美国分布式能源发展及政策分析[J].科技管理研究,2014(12):19-22.
[6]罗俊然,牛利涛,刘政委,等.燃气蒸汽联合循环分布式能源的电气整套启动[J].电工技术, 2018(9):121-125.
[7]王振铭,王喜奎,洪广欢.分布式能源发展的新机遇[J].沈阳工程学报,2012,8(3):193-195.
[8]吴凯槟,彭旭东,杨秀芳,等.分布式能源面临重大发展机遇[J].节能技术,2013,31(5):437-441.
[9]何忠.天然气分布式能源系统的应用和探讨[J].能源与环境,2011(4):11-12.
[10]秦渊,陈昕,王华超.分布式能源站燃气轮机的选择[J].燃气轮机技术,2013(2):34-38.
[11]王惠,赵军,安青松,等.不同建筑负荷下分布式能源系统优化与政策激励研究[J].中国电机工程学报,2015,35(14):3734-3740.
[12]黄洁,沈致和,吴亚平.基于负荷分析的分布式能源站发电技术的选择[J].建筑热能通风空调,2014(3):46-48.
[13]林世平.燃气冷热电分布式能源技术应用手册[M].北京:中国电力出版社,2014:185.
[14]张耀辉.节能评估报告中电能消耗的计算方法[J].节能,2012(6):15-18.
[15]康书硕,李洪强,蔡博,等.冷热电联供系统中“以热定电”与“以电定热”的分析研究[J]建筑科学, 2012(增刊2):255-259.