Study on Thermodynamic System of Thermal Power Plant Based on Absorption Heat Pump

Author

He Yongbing ; Wu Shijing ; Wang Jixuan

Author_Institution

Sch. of Power & Mech. Eng., Wuhan Univ., Wuhan, China

fYear

2012

fDate

27-29 March 2012

Firstpage

1

Lastpage

4

Abstract

The regenerative cycle system based on absorption heat pump heats feed water through steam driving absorption heat pump by absorbing the low temperature waste heat of circulating cooling water, the system can reduce the circulating water temperature and low pressure heater extraction, and further to improve the thermal efficiency of unit. By studying on supercritical 600MW unit according to equivalent enthalpy drop method, the influence of steam turbine efficiency and unit economical efficiency were analyzed. The analyses show that it is feasible to use the regenerator cycle system based on absorption heat pump in thermodynamic system of thermal power plant.

Keywords

absorption; heat pumps; steam turbines; thermal power stations; thermodynamics; waste heat; circulating cooling water; circulating water temperature; equivalent enthalpy drop method; feed water; heater extraction; low temperature waste heat; power 600 MW; regenerative cycle system; steam driving absorption heat pump; steam turbine efficiency; thermal efficiency; thermal power plant; thermodynamic system; unit economical efficiency; Absorption; Heat pumps; Power generation; Thermodynamics; Waste heat; Water heating;

fLanguage

English

Publisher

ieee

Conference_Titel

Power and Energy Engineering Conference (APPEEC), 2012 Asia-Pacific

Conference_Location

Shanghai

ISSN

2157-4839

Print_ISBN

978-1-4577-0545-8

Type

conf

DOI

10.1109/APPEEC.2012.6306880

Filename

6306880