A Large Temperature Difference Thermal Substation (LTDTS) with Electric Heat Pump and Thermal Storage Tank | Zendy

Jian Sun | Zendy; Shicai Ma | Zendy; Cheng Huo | Zendy; Zhihua Ge | Zendy; Shaoxiang Zhou | Zendy

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A Large Temperature Difference Thermal Substation (LTDTS) with Electric Heat Pump and Thermal Storage Tank

Author(s) -

Jian Sun,

Shicai Ma,

Cheng Huo,

Zhihua Ge,

Shaoxiang Zhou

Publication year - 2021

Publication title -

iop conference series earth and environmental science

Language(s) - English

Resource type - Journals

eISSN - 1755-1307

pISSN - 1755-1315

DOI - 10.1088/1755-1315/661/1/012016

Subject(s) - heat pump , thermal energy storage , thermal , pipeline (software) , waste heat , storage heater , electric heating , nuclear engineering , environmental science , volumetric flow rate , renewable heat , pipeline transport , materials science , stage (stratigraphy) , petroleum engineering , waste management , mechanical engineering , hybrid heat , engineering , mechanics , environmental engineering , thermodynamics , geology , paleontology , physics , heat exchanger

A new thermal substation named LTDTS is presented, which could reduce the return water temperature of primary pipeline to below 30 °C. The capacity of an existing heating pipe could be enlarged by more than 50% without changing its flow rate. The LTDTS with single-stage or two-stage heat pump is experimented, which is compared with simulation results. The LTDTS is recommended for large district heating systems due to advantages of reducing the pipe investment and recovering industrial waste heat for lower energy consumption of heating.

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