Thermodynamic analysis of a cascaded compression – Absorption heat pump and comparison with three classes of conventional heat pumps for the waste heat recovery

2018 ◽  
Vol 128 ◽  
pp. 282-296 ◽  
Author(s):  
L. Garousi Farshi ◽  
S. Khalili ◽  
A.H. Mosaffa
Keyword(s):  
Heat Pump ◽  
Thermodynamic Analysis ◽  
Heat Recovery ◽  
Waste Heat Recovery ◽  
Waste Heat ◽  
Heat Pumps ◽  
Absorption Heat Pump

scholarly journals Theoretical Design and Analysis of the Waste Heat Recovery System of Turbine Exhaust Steam Using an Absorption Heat Pump for Heating Supply

Energies ◽  
2020 ◽  
Vol 13 (23) ◽  
pp. 6256
Author(s):  
Jinshi Wang ◽  
Weiqi Liu ◽  
Guangyao Liu ◽  
Weijia Sun ◽  
Gen Li ◽  
...  
Keyword(s):  
Heat Pump ◽  
Heat Recovery ◽  
Waste Heat Recovery ◽  
Waste Heat ◽  
Absorption Heat Pump ◽  
Waste Heat Recovery System ◽  
Recovery System ◽  
Heat Recovery System ◽  
Heating Load ◽  
Turbine Exhaust

In northern China, many thermal power plants use absorption heat pump to recover low-grade heat from turbine exhaust steam due to the irreplaceable advantages of the absorption heat pump in waste heat recovery. In the process of designing a waste heat recovery system, few researchers have considered the relationship between the design power of the heat pump and the actual heating load of the heating network. Based on the heating load characteristics, this paper puts forward a design idea which uses an absorption heat pump to recover waste heat from a steam turbine exhaust for heating supply. The operation mode of the system for different design powers of the heat pump was stated. An economic analysis model of the waste heat recovery system was proposed, and the optimal design power of the heat pump could be obtained. For a specific unit, the corresponding waste heat recovery system was designed, and various factors affecting the economy of the system were discussed and analyzed in detail.

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