| 沼气混合制冷剂循环液化流程与设备分析 |
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| 引用本文： | 周淑霞,董玉平,张玉林,王维振,郭飞强,张彤辉. 沼气混合制冷剂循环液化流程与设备分析[J]. 农业机械学报, 2011, 0(12) |
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| 作者姓名： | 周淑霞 董玉平 张玉林 王维振 郭飞强 张彤辉 |
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| 作者单位： | 山东大学高效洁净机械制造教育部重点实验室;山东绿能燃气实业有限责任公司; |
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| 基金项目： | 山东省自然科学基金资助项目(ZR2009EZ001) |
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| 摘 要： | 以天然气液化设备为模型,利用Aspen HYSYS软件,设计小型混合制冷剂液化沼气流程,对该流程进行数值模拟,根据PR方程计算出沼气的泡点与露点以及液化率、能耗等。在热力学分析的基础上,计算流程各设备损失,分析产生设备损失的原因,提出降低设备损失的方法。依据模拟结果,建立实验平台对降低损失方法进行验证,结果表明:小型混合制冷剂液化沼气流程具有可行性,液化过程中能耗和损失最大的设备是压缩机,利用储液罐上端的闪蒸气预冷混合制冷剂的方法可使压缩机和冷却器的损失分别减少12.2%和27.2%。
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| 关 键 词： | 沼气 液化 混合制冷剂 Aspen HYSYS 损失 |
Exergy Analysis of Mixed-refrigerant Cycle Liquefaction Process of Biogas |
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| Zhou Shuxia Dong Yuping Zhang Yulin Wang Weizhen Guo Feiqiang Zhang Tonghui. Exergy Analysis of Mixed-refrigerant Cycle Liquefaction Process of Biogas[J]. Transactions of the Chinese Society for Agricultural Machinery, 2011, 0(12) |
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| Authors: | Zhou Shuxia Dong Yuping Zhang Yulin Wang Weizhen Guo Feiqiang Zhang Tonghui |
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| Affiliation: | Zhou Shuxia1 Dong Yuping1 Zhang Yulin2 Wang Weizhen1 Guo Feiqiang1 Zhang Tonghui1 (1.Key Laboratory of High Efficiency and Clean Mechanical Manufacture,Ministry of Education,Shandong University,Ji'nan 250061,China 2.Shandong Green Energy Gas Industrial Co.,Ltd.,Heze 274000,China) |
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| Abstract: | The pint-sized gas mixed-refrigerant liquefaction process was designed to analyze the exergy loss by using Aspen HYSYS software.The temperature and the pressure of bubble point and the dew-point were obtained from the PR equation,and the liquefied rate and energy consumption was calculated.Subsequently,the exergy loss was calculated via the thermodynamic analysis,and the methodology for reducing exergy loss was approached.An experiment was conducted to measure the exergy loss.The results showed that small g... |
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| Keywords: | Biogas Liquefaction Mixed-refrigerant Aspen HYSYS Exergy loss |
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