Dehumidifying method for compressed gas and its apparatus

Application Number: 00108026
Application Date: 2000.06.09
Publication Number: 1277074
Publication Date: 2000.12.20
Priority Information: 1999/6/9 JP 162363/1999; 1999/6/9 JP 162364/1999
International: B01J20/18;B01J20/34
Applicant(s) Name: Orien Machine Co., Ltd.
Inventor(s) Name: Takeuchi Toru;Tamai Hideo;Ota Koichi
Patent Agency Code: 11021
Patent Agent: huang yongkui
Abstract The present invention relates to a dehumidifying method for compressed gas and its apparatus. In a method for dehumidifying compressed air: a drying process, in which gas is adsorbed and dried in one of two adsorbing cylinders 3, 4 each charged with adsorbents, and a regenerating process, in which a part of the obtained dried gas is led to the other adsorbing cylinder to desorb the moisture from the adsorbents concurrently performed, and these processes are alternately performed by switching from one cylinder to the other to continuously supply dry gas; under predetermined conditions, if the relationship between the dew point Ta and a set dew point Ts is Ta <= Ts in dried gas, the drying process is continued alternately between both cylinders, while a process for purging of desorbed moisture from each cylinder that is suspended is provided.