响应面法分析高原环境变压吸附制氧工艺的研究
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摘要
采用两塔小型变压吸附制氧工艺,运用响应面法在高原模拟舱中研究了海拔高度、吸附时间和均压时间对氧气浓度和回收率的影响。结果表明,海拔高度对氧气浓度的影响最大,吸附时间次之,均压时间影响最小。随着海拔的升高,氧气浓度下降,回收率提高;延长吸附时间和均压时间,可以提高氧气浓度。
The effects of some main factors,such as altitude,adsorption time and pressure equalization time on the concentration and recovery of oxygen in the simulated plateau were discussed systematically by means of two-bed PSA. The results showed that the oxygen concentration decreased with the increasing of altitude,but the recovery of oxygen increased. Meanwhile prolonging adsorption time and pressure equalization time could increase the oxygen concentration. The effect of altitude on the oxygen concentration is the biggest,followed by the adsorption time and pressure equalization time sequentially.
The effects of some main factors,such as altitude,adsorption time and pressure equalization time on the concentration and recovery of oxygen in the simulated plateau were discussed systematically by means of two-bed PSA. The results showed that the oxygen concentration decreased with the increasing of altitude,but the recovery of oxygen increased. Meanwhile prolonging adsorption time and pressure equalization time could increase the oxygen concentration. The effect of altitude on the oxygen concentration is the biggest,followed by the adsorption time and pressure equalization time sequentially.
引文
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[3]朱学军,郭彤.高原环境对小型医用制氧机性能的影响[J].医疗装备,2001,14(3):7-8.
[4]田涛,王济虎,石梅生,等.高原小型变压吸附制氧装备的设计与性能优化[J].医疗卫生装备,2016,37(10):1-4.
[5]祝显强,刘应书,曹永正,等.高原低气压环境局部弥散供氧特性[J].应用基础与工程科学学报,2016,24(2):378-390.
[6]王永菲,王成国.响应面法的理论与应用[J].中央民族大学学报:自然科学版,2005,14(3):236-240.
[7]Myers R H.Response surface methodology-current status and future direction[J].Journal of Quality Technology,1999,31(1):30-44.
[8]刘玉红.分子筛变压吸附制氧技术工作原理及医院应用[J].中国医疗设备,2012,27(10):90-92.
[9]张辉,刘应书,刘文海,等.变压吸附制氧机吸附器结构研究进展[J].化工进展,2007,26(11):8.
[10]杨德.试验设计与分析[M].北京:中国农业出版社,2002.
[11]H Xujie,C Wei.Optimization of extraction process of crude polysaccharides from wild edible Bachu mushroom by response surface methodology[J].Carbohydrate Polymers,2008,72(1):67-74.
[12]祝显强,刘应书,杨雄,等.吸附及解吸压力对快速变压吸附床内速度及循环性能的影响[J].北京科技大学学报,2016,38(7):993-1001.