DOI: 10.11799/ce201705052
Energy saving and efficiency improving technology for multiple coupling ofzero water consumption of air cooling thermal power unit
LIANG Shuang-yin
ZHU Hong-wei
WANG Lu-rong
HUANG Bo-bo
FENG Yan-jie
GAO Man-da
SUN Yan-qian
KANG Lu
SHI Ye
HU San-gao
XU Hong
Abstract：Taking 600MW subcritical air-cooled thermal power unit as an example,this article analyzes the factors on the actual operation of the cold end of the unit and the problems,such as ambient temperature,wind speed,load changes,etc.Based on the detailed study of direct and indirect air cooling and cooling characteristics,the storage cooling mode is proposed firstly,through the multiple coupling of the direct air cooling,indirect air cooling and cold storage cooling method,a thermal power unit advanced zero water consumption multi coupling cooling energy efficiency technology is formed.After the implementation of the optimization technology,a cold end system variable condition mathematical model is established,and the influence of the ambient wind speed and temperature on the back pressure of the air-cooled thermal power unit is verified.The calculation results show that the zero cooling water consumption and mention efficiency technology,making the entire unit back pressure decreased significantly and provides an important choice for the design and reconstruction of the air-cooling system of the thermal power unit in the coal-rich and water-deficient areas of northern China.
Keywords：Air cooling thermal power unitzero water consumptionmultiple couplingcold end coolingenergy saving and efficiency improving technology
Publication Date：2017-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：5( 37-40,45 )