热水锅炉补水系统氮气稳压及效果  

Nitrogen-based Pressure Stabilization and Its Effectiveness of the Makeup Water System of a Hot Water Boiler

作　　者：王德明[1] 龙腾锐[1] 丁德渝 罗成[2] 

机构地区：[1]重庆大学城市建设与环境工程学院,重庆400045 [2]重庆电力高等专科学校动力工程系,重庆400053

出　　处：《热能动力工程》2011年第3期319-322,373,共4页Journal of Engineering for Thermal Energy and Power

基　　金：十五科技攻关基金资助项目(2004BA604A-01)

摘　　要：利用热力学理论对氮气稳压的原理进行了分析,并在热水锅炉补水系统中增设了氮气稳压装置。论述了氮气在稳压过程中所经历的热力学状态和过程,导出了有无氮气稳压装置时热水锅炉系统补水周期之间的关系,得出了有氮气稳压的热网系统具有较长补水周期并能提高系统运行稳定性和安全性的结论。由于补水周期延长,补水泵的启停频率减小且使用寿命延长,其电耗量也将相应减少,并且还可以降低操作人员的劳动强度。By utilizing the thermodynamic theory,analyzed was the principle for nitrogen-based pressure stabilization.A nitrogen-based pressure stabilization device was additionally installed in the makeup water system of a hot water boiler.The thermodynamic state and process of nitrogen experienced during the pressure stabilization were described and the relationship of the makeup water periods of the hot water boiler system with and without a nitrogen-based pressure stabilization device,obtained.As a result,the authors came to a conclusion that the heating network system with a nitrogen-based pressure stabilization device enjoys a relatively long makeup water period and can enhance the stability and safety of the system during its operation.As the period of the makeup water pump is prolonged,its startup and shutdown frequency decreases and its service life is extended,its power consumption will be reduced accordingly,therefore the labor intensity of the operators can be lightened.

关 键 词：热网系统 热力学分析 稳压 安全性 水泵 锅炉 

分 类 号：TK223.5[动力工程及工程热物理—动力机械及工程] TU833[建筑科学—供热、供燃气、通风及空调工程]