基于引射器的双温蒸发CO2热泵系统性能分析
TB61+1%TQ051.5%TK11+5; 采用高效的热泵系统替代常规锅炉是实现"双碳"目标的有效措施.本文提出采用引射器实现双温蒸发的CO2热泵系统,以实现余热梯级利用和高效制热.通过窄点分析法,建立了基本CO2系统、CO2引射器系统、双温蒸发CO2引射系统的热力学模型,发现双温蒸发系统存在最优排气压力及最大COP.基于最优工况进行分析,结果表明:在热泵热水器名义工况下,双蒸发器系统COP最高达4.84,比基本CO2热泵系统提高了9.88％.双温蒸发过程可显著降低吸热过程中的换热不可逆损失,双温蒸发系统蒸发器侧的不可逆性能指数为1.51,比基本CO2和带有引射器的常规C...
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| Published in | 制冷学报 Vol. 43; no. 2; pp. 54 - 61 |
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| Main Authors | , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
生态环境部对外合作与交流中心 北京 100035%天津商业大学 天津市制冷技术重点实验室 天津 300134
01.04.2022
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| Subjects | |
| Online Access | Get full text |
| ISSN | 0253-4339 |
| DOI | 10.3969/j.issn.0253-4339.2022.02.054 |
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| Abstract | TB61+1%TQ051.5%TK11+5; 采用高效的热泵系统替代常规锅炉是实现"双碳"目标的有效措施.本文提出采用引射器实现双温蒸发的CO2热泵系统,以实现余热梯级利用和高效制热.通过窄点分析法,建立了基本CO2系统、CO2引射器系统、双温蒸发CO2引射系统的热力学模型,发现双温蒸发系统存在最优排气压力及最大COP.基于最优工况进行分析,结果表明:在热泵热水器名义工况下,双蒸发器系统COP最高达4.84,比基本CO2热泵系统提高了9.88％.双温蒸发过程可显著降低吸热过程中的换热不可逆损失,双温蒸发系统蒸发器侧的不可逆性能指数为1.51,比基本CO2和带有引射器的常规CO2系统降低了24.50％. |
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| AbstractList | TB61+1%TQ051.5%TK11+5; 采用高效的热泵系统替代常规锅炉是实现"双碳"目标的有效措施.本文提出采用引射器实现双温蒸发的CO2热泵系统,以实现余热梯级利用和高效制热.通过窄点分析法,建立了基本CO2系统、CO2引射器系统、双温蒸发CO2引射系统的热力学模型,发现双温蒸发系统存在最优排气压力及最大COP.基于最优工况进行分析,结果表明:在热泵热水器名义工况下,双蒸发器系统COP最高达4.84,比基本CO2热泵系统提高了9.88％.双温蒸发过程可显著降低吸热过程中的换热不可逆损失,双温蒸发系统蒸发器侧的不可逆性能指数为1.51,比基本CO2和带有引射器的常规CO2系统降低了24.50％. |
| Author | 刘晨 李小燕 代宝民 刘圣春 滑雪 |
| AuthorAffiliation | 生态环境部对外合作与交流中心 北京 100035%天津商业大学 天津市制冷技术重点实验室 天津 300134 |
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| Author_FL | Hua Xue Liu Shengchun Dai Baomin Li Xiaoyan Liu Chen |
| Author_FL_xml | – sequence: 1 fullname: Li Xiaoyan – sequence: 2 fullname: Dai Baomin – sequence: 3 fullname: Hua Xue – sequence: 4 fullname: Liu Chen – sequence: 5 fullname: Liu Shengchun |
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| Keywords | 热泵系统;CO2;引射器;温度匹配;双温蒸发;不可逆损失 |
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| Title | 基于引射器的双温蒸发CO2热泵系统性能分析 |
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