热力学碳泵循环构建:以变温吸附碳捕集为例

被引：10

作者：

赵睿恺

邓帅

赵力

李双俊

张月

刘博文

机构：

[1] 天津大学中低温热能高效利用教育部重点实验室

来源：

工程热物理学报 | 2017年 / 38卷 / 07期

关键词：

热力学碳泵; 碳捕集; 碳泵循环; 变温吸附; 第二定律效率;

D O I：

暂无

中图分类号：

TK12 [热力工程理论];

学科分类号：

080707 [能源环境工程];

摘要：

制约碳捕集技术实用化的重要瓶颈在于捕集能耗过高,而热力学是能源系统效能分析的有力工具。基于将热力学研究方法应用到碳捕集技术效能分析的思想,本文以变温吸附碳捕集为例,按照"物性-过程-冷热源-循环"顺序,完成热力学碳泵循环（TCPC）的构建,进而考察循环参数对总能耗和第二定律效率的影响。结果显示;循环能耗主要受循环温度、吸附剂和吸附相等影响,吸附相显热大约占循环总能耗的2%;第二定律效率区间为13.91%21.21%,具有较高节能潜力;TCPC作为一种基于热力学思想的"量化规尺",可对碳捕集技术展开效能分析,进而对影响循环总能耗的主要因素进行归纳,并可通过第二定律效率对技术成熟度进行判断,有效挖掘碳捕集技术的节能潜力。

引用

页码：1531 / 1538

页数：8

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