Use of heat pumps in turbogenerator hydrogen cooling systems at thermal power plant

被引：20
|
作者：
Anikina, I. D. [1 ]
Sergeyev, V. V. [1 ]
Amosov, N. T. [1 ]
Luchko, M. G. [2 ]
机构：
[1] Peter Great St Petersburg Polytech Univ, Polytech Heskaya 29, St Petersburg 195251, Russia
[2] TGC 1, JSC, Arena Hall Business Ctr, 16 Dobroljubova Pr Corp 2,Litera A, St Petersburg 197198, Russia
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2017年 / 42卷 / 01期
关键词：
Heat pump; Turbogenerator; Hydrogen cooling; Thermal power plant; Technological cycle; Technical-and-economic indexes;
D O I：
10.1016/j.ijhydene.2016.04.256
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The possible increase in heat power generation efficiency was evaluated through this paper via installation of heat pumps for cooling hydrogen in generator of steam turbine. Using the heat pumps, the biggest part of waste heat from turbogenerator hydrogen cooling systems can be transferred to heat supply system. They are used for heat supply inhouse load of a power plant or for any other goal of heat supply as well. All calculations were made for thermal power plant at the branch "Nevsky" "TGC-1" company CHP-21. The analysis was made for heat pumps with heat capacities of 2 MW and 3 MW. The application of such analysis on CHP was applied by the method of detailed settlement estimation of the impact on CHP operating mode with synchronous calculation of characteristics of heat pump. The analysis was made for different operating mode of CHP. A low potential heat source is the water from hydrogen cooling systems of steam turbine generator. The use of heat pumps for steam turbine generator hydrogen cooling system waste heat salvaging is innovation solution to increase TPP cost-performance ratio. On implementing cycle arrangement with heat pump used for sanitary and service makeup water warming, fuel saving is up to 700 toe/year while heat pump system specified heat power is 3 MW. (C) 2016 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：636 / 642
页数：7
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