| 提高单塔返流制氮设备氮气提取率的探讨 |
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| 引用本文： | 扈丽杰,周大荣,陈熙静. 提高单塔返流制氮设备氮气提取率的探讨[J]. 深冷技术, 2011, 0(7): 29-32 |
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| 作者姓名： | 扈丽杰 周大荣 陈熙静 |
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| 作者单位： | 上海启元空分技术发展有限公司; |
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| 摘 要： | 结合单塔返流制氮设备的3种流程,分析精馏塔压力、理论塔板数和富氧液空的过冷度对氮气提取率的影响;指出通过合理地设置液空过冷器和充分利用旁通富氧气,来提高单塔返流制氮设备的氮气提取率。
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| 关 键 词： | 制氮设备 单塔返流流程 精馏塔压力 理论塔板数 液空过冷器 氮气提取率 |
Approach to improve the nitrogen extraction ratio of single-tower return flow nitrogen generating equipment |
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| Hu Lijie,Zhou Darong,Chen Xijing. Approach to improve the nitrogen extraction ratio of single-tower return flow nitrogen generating equipment[J]. Cryogenic Technology, 2011, 0(7): 29-32 |
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| Authors: | Hu Lijie Zhou Darong Chen Xijing |
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| Affiliation: | Hu Lijie,Zhou Darong,Chen Xijing(Shanghai Qiyuan Air Separation Technology Development Co.,Ltd.,150# Heyu Road,Nanxiang Lantian Economic Development Area,Shanghai 201802,P.R.China) |
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| Abstract: | Here,in combination with three processes of single-tower return flow nitrogen generating equipment the impact of rectification tower pressure,theoretical plate number,and supercooling degree of oxygen-rich liquefied air on nitrogen extraction ratio is analyzed,and the method to improve nitrogen extraction ratio of single-tower return flow nitrogen generating equipment through rational fixing of liquefied air supercooler and full utilization of by-passed oxygen-rich air. |
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| Keywords: | Nitrogen generating equipment Single-tower return flow process Rectification tower pressure Theoretical plate number Liquefied air supercooler Nitrogen extraction ratio |
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