Energy efficiency of distributed energy system based on central heating network

被引：4

作者：

Yu, Tao ^{[1
,2
]}

Wang, Xiao ^{[3
]}

Ji, Jiayan ^{[1
,2
]}

Zhao, Shumin ^{[1
,2
]}

机构：

[1] Shandong Jianzhu Univ, Sch Thermal Engn, Jinan 250101, Shandong, Peoples R China

[2] Minist Educ, Key Lab Renewable Energy Utilizat Technol Bldg, Jinan 250101, Shandong, Peoples R China

[3] Beijing Urban Construct Design & Dev Grp Co Ltd, Jinan 250014, Shandong, Peoples R China

来源：

10TH INTERNATIONAL SYMPOSIUM ON HEATING, VENTILATION AND AIR CONDITIONING, ISHVAC2017 | 2017年 / 205卷

关键词：

central heating; heating network; distributed energy system; heat pump;

D O I：

10.1016/j.proeng.2017.10.039

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

On the basis of existing urban central heating network, a distributed energy system is put forward. The objective function method is adopted to calculate the operating cost of heating season, the energy quality coefficient is used to evaluate the quality of different kinds of energy, and the exergy efficiency of heat exchange is analyzed to measure the energy utilization level. Operation cost and energy efficiency of the distributed energy system and conventional gas peak-shaving system are studied and compared. Results indicate that the distributed energy system based on the heating network can make full use of the waste heat generated by gas turbine, improve the exergy efficiency of heat exchange and decrease the fuel consumption. (C) 2017 The Authors. Published by Elsevier Ltd.

引用

页码：2171 / 2175

页数：5

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