doi:10.16186/j.cnki.1673-9787.2022030031

Received:2023/03/14

Revised:2023/06/04

Published:2024/03/25

Research on energy saving operation strategies of heating system based on temperature response of railway demand side

BAI Xue，TIAN Qi，WANG Meiping，ZHANG Ling

Civil Engineering College，Taiyuan University of Technology，Taiyuan 030024，Shanxi，China

Abstract: Objectives In order to solve the problem of serious energy waste caused by the imbalance between the heat supply of the heating system in the railway station area and the heat demand of each functional building， Methods the time-space differentiation operation strategy of linkage adjustment of the heating source side of the railway station heating system and the building was proposed，in response to the demand of indoor temperature changes in each building area.First，the operation regulatory strategy of conventional heating source side and the building side were analyzed，and the time-space  differentiation operation strategy was studied on this basis；then，taking the heating system of a railway station area in Datong as an example，the heating system simulation model was established by Simulink；Finally，on the basis of verifying the high accuracy of the model，the system’s indoor temperature dynamic response and energy consumption of the system under three different operation strategies were compared and analyzed. Results Compared with the operation strategy of compensation quality adjustment of the heat source climate and the construction volume adjustment，the time-space differentiation operation strategy of the heating source side and the building linkage adjustment not only  realized the demand of different buildings for time-sharing and temperature-sharing heating，but also effectively reduced the indoor temperature fluctuation range during normal heating period and low-temperature heating period，and improved indoor comfort.At the same time，compared with the system without operation adjustment，the energy saving rate of the heating source quality regulation operation strategy was 20.7%，the energy saving rate of the building quantity regulation operation strategy was only 17.5%，and the energy saving rate of the time-space differentiation operation strategy was 38.5%. Conclusions The space-time differential operation strategy of heating source side and building linkage adjustment proposed in this paper can meet the indoor temperature demand of different functional buildings in railway station area，reduce the fluctuation range of indoor temperature，and have good energy saving effect.

Key words:variable temperature demand；time-space differential operation strategy；heating system in railway station area；Simulink simulation model；energy saving