CHENGDU TIANLI CHEMICAL ENGINEERING TECHNOLOGY CO.; LTD.
发明人:
SONG, YUWEN
申请号：
ES05754843
公开号：
ES2519443T3
申请日:
2005.05.09
申请国别(地区):
ES
年份:
2014
代理人:
摘要：
A method of manufacturing enriched oxygen with two-phase oscillating pressure adsorption, in which oxygen and nitrogen are separated from air； production can be oxygen or nitrogen or both； The method adopts the two-phase oscillating pressure adsorption device that operates in series, in which a first-phase oscillating pressure adsorption device is used to remove carbon dioxide and water, as well as partial nitrogen, and is used for enrich nitrogen, and a second phase oscillating pressure adsorption device is used to selectively adsorb nitrogen in the intermediate gas that is discharged from an adsorption tower in the adsorption stage of the first phase and increase the oxygen concentration to the desired level； the adsorption tower of the first phase sequentially undergoes the following stages in a period of circulation: - adsorption A, - purge P ', - evacuation VC, - the countercurrent repressurization of the gas of the second phase 2ER, - repressurization of the purge gas R ', - final repressurization FR； the adsorption tower of the second phase sequentially undergoes the following stages in a circulation period: - adsorption A, - depressurization by countercurrent equalization BD ', and - final repressurization FR, in which, during the purge stage P', the outlet gas from the adsorption tower of the first phase enters a corresponding adsorption tower of the first phase to perform the purge gas repression stage R ', and in which, during the equalization repressurization stage against the gas of the second phase 2ER gas, the gas of the countercurrent depressurization stage BD 'discharged from the adsorption tower of the second phase enters a corresponding adsorption tower of the first phase that has completed the stage of VC evacuation.Un método de fabricación de oxígeno enriquecido con adsorción por presión oscilante de dos fases, en el que oxígeno y nitrógeno se separan a partir de aire； la producción puede ser oxígeno o nitrógeno o ambos； el método adopta el disp
