Study on Calculations of Humidification Tower with Humid Air Turbine Cycle at High Temperature and Pressure  

作　　者：丁皓 陆小华 吉晓燕 秦建华 

机构地区：[1]Department of Chemical Engineering, Nanjing University of Technology, Nanjing 210009, China [2]Department of Chemical Engineering, Nanjing University of Technology, Nanjing 210009, Chinaumidification is an important step in humid air turbine system. The calculation on humidification is carried out at 423.15-573.15 K, 5-15MPa. The results suggest that to produce high-enthalpy moist air, high water temperature and large water flow are needed. The water temperature is the most sensitive parameter to the humidification tower. And it is better for the humidification tower to work at temperature higher than 523 K when the system pressure is higher than 5 MPa. The comparison between the model used in this paper and ideal model shows that the ideal model can be used in simulation to simply the calculation when the temperature is lower than 473 K and pressure is lower than 5 MPa.

出　　处：《Chinese Journal of Chemical Engineering》2004年第4期532-536,共5页中国化学工程学报（英文版）

基　　金：Supported by the Natural Science Foundation of Jiangsu Province (BK97124); the National Natural Science Foundation (No. 20376032); the Outstanding Youth Fund of National Natural Science Foundation (No. 29925616);Key Fund of National Natural Science Fo

摘　　要：Humidification is an important step in humid air turbine system. The calculation on humidification is carried out at 423.15—573.15K, 5—15MPa. The results suggest that to produce high-enthalpy moist air, high water temperature and large water flow are needed. The water temperature is the most sensitive parameter to the humidification tower. And it is better for the humidification tower to work at temperature higher than 523 K when the system pressure is higher than 5 MPa. The comparison between the model used in this paper and ideal model shows that the ideal model can be used in simulation to simply the calculation when the temperature is lower than 473 K and pressure is lower than 5 MPa.Humidification is an important step in humid air turbine system. The calculation on humidification is carried out at 423.15-573.15 K, 5-15MPa. The results suggest that to produce high-enthalpy moist air, high water temperature and large water flow are needed. The water temperature is the most sensitive parameter to the humidification tower. And it is better for the humidification tower to work at temperature higher than 523 K when the system pressure is higher than 5 MPa. The comparison between the model used in this paper and ideal model shows that the ideal model can be used in simulation to simply the calculation when the temperature is lower than 473 K and pressure is lower than 5 MPa.

关 键 词：HUMIDIFIER HUMIDIFICATION humid air TURBINE humidity gas-liquid equilibrium 

分 类 号：O642[理学—物理化学]