Analysis on operation regulation strategy for heat exchange stations based on building comprehensive physical property coefficients

doi:10.3969/j.issn.1674-1951.2021.12.011

Huadian Technology ›› 2021, Vol. 43 ›› Issue (12): 72-78.doi: 10.3969/j.issn.1674-1951.2021.12.011

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Analysis on operation regulation strategy for heat exchange stations based on building comprehensive physical property coefficients

ZHENG Gang¹, LI Jingang², LIU Yiting³^,^*()

1. Guoneng Ningxia Heating Company Limited,Yinchuan 750001,China
2. Zhuozi Power Generation Branch of Huadian Inner Mongolia Energy Company Limited,Ulanqab 012300,China
3. School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300401,China

Received:2021-09-30 Revised:2021-11-08 Online:2021-12-25 Published:2021-12-10
Contact: LIU Yiting E-mail:739374741@qq.com

Abstract

Abstract:

The operation regulation strategy of heating pipe networks and heat exchange stations in central heating systems is the key to optimize the operation of the whole system. Formulating a scientific, reasonable and simple regulation strategy for the system according to the thermal characteristics, indoor temperature and outdoor meteorological parameters of buildings is the research goal. According to the heat balance theory, heat dissipation of radiating equipment is approximately equal to the heat consumption by buildings, the comprehensive physical property coefficient of buildings （B_C） is defined. Based on the calculation results of B_C value of a heat exchange station, the concept of "compensation period" is proposed. Using the B_C, time lags and compensation period of the heating system, a heat network operation control strategy based on the B_C is proposed. The proposed regulation strategy for the intelligent heating system has been applied in two typical heat exchange stations in a cold area. The results show that replacing the conventional aimless operation regulation for heating systems by B_C-based operation regulation can improve the heating accuracy and energy-saving effect.

Key words: intelligent heat network, comprehensive physical property coefficient of buildings, operation regulation strategy, construction delay time, compensation period of heating system, intelligent heat supply

CLC Number:

TM732

ZHENG Gang, LI Jingang, LIU Yiting. Analysis on operation regulation strategy for heat exchange stations based on building comprehensive physical property coefficients[J]. Huadian Technology, 2021, 43(12): 72-78.

Figures/Tables 6

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Analysis on operation regulation strategy for heat exchange stations based on building comprehensive physical property coefficients

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