PDF《水源热泵变流量节能技术实践研究》

9 期 (总第

302 期) Applications of energy savingtchnology for various varying - speed to oil delivery pump station ZHANG Jing (Liaohe Oil and Gas Gathering Company , Panjin

124010 ,China) Abstract :The Oil &

Gas Gathering and Transportation Company has successively deployed the cascade varying - speed technology with high pressure internal feedback and the variable frequency varying - speed technology in high ,moderate and low pressure in the subassembly of oil transfer pump. Hence ,the company has realized the best matching be2 tween the various operating status and the revolution of pump ,and elimi2 nated the energy loss at throttling position by the pressure difference in the pump pipe ,lowered the energy consumption per unitary oil transfer quantity ,and created the a better energy saving effect over

30 % in sav2 ing electricity ratio. Key words :varying - speed energy saving technology ;

converter tech2 nique ;

petroleum transportation pump station

19 Research and application of variable flow control technology of water source heat pump TANG ZHi2wei ,CAI Li2jia (Beijing University of Technology ,Beijing

100022 ,China) Abstract :Based on an actual reconstructive work for the heat - transfer system, converted into variable flow system , in one hotel , Beijing. Through the application of computer ,frequency conversion and automat2 ic control ,it can track and optimize the record of dynamic heating sys2 tem ,and then adjust the operating parameter for the circulating pump , hereby ,to carry out a heat - transfer system working in a large differ2 ence in temperature ,small flux ,constant temperature and energy saving condition. Meanwhile ,the actual operating after conversion proved the variable flow system runs well ,reliably and economically. Key words :variable flow ;

energy - saving ;

frequency conversion ;

hy2 draulic

22 The hot pump technical application of source of water in the project of HV&

AC in Shenyang area HU J un2sheng ,Shi Ying ,LI Hui2xing ,et al. (ShenYang Jianzhu University ,Shenyang

110168 ,China) Abstract :The working principle of the hot pump technology of source of water ,characteristic and the condition in th........