超重力旋转床脱除14CO2的试验及传质性能研究

doi:10.27045/j.1000-8187.202603001

辐射防护 ›› 2026, Vol. 46 ›› Issue (3): 189-197.doi: 10.27045/j.1000-8187.202603001

超重力旋转床脱除¹⁴CO₂的试验及传质性能研究

谢钟音¹, 裴鉴禄¹, 梁雪飞², 王莽¹, 梁国亮¹, 双应忠¹, 刘志鑫¹, 陈欣¹, 梁书玮¹, 李永国¹, 俞杰¹

1.中国辐射防护研究院中核集团放射性气体净化技术重点实验室,太原 030006;
2.福建宁德核电有限公司,福建宁德 355200

收稿日期:2025-06-06 出版日期:2026-05-20 发布日期:2026-06-18
作者简介:谢钟音(1997—),男,2019年本科毕业于东华理工大学化学工程与工艺专业,2023年毕业于北京理工大学材料与化工专业,获硕士学位,助理研究员。E-mail:13672204167@163.com
基金资助:
中核集团“青年英才”项目(JY22040604);中国辐射防护研究院创新团队项目(YC22010603)。

Experimental study on the removal of ¹⁴CO₂ and mass transfer performance in a high-gravity rotating bed

XIE Zhongyin¹, PEI Jianlu¹, LIANG Xuefei², WANG Mang¹, LIANG Guoliang¹, SHUANG Yingzhong¹, LIU Zhixin¹, CHEN Xin¹, LIANG Shuwei¹, LI Yongguo¹, YU Jie¹

1. CNNC Key Laboratory on Radioactive Gas Purification Technology, China Institute for Radiation Protection,Taiyuan 030006;
2. Fujian Ningde Nuclear Power Co., Ltd., Fujian Ningde 355200

Received:2025-06-06 Online:2026-05-20 Published:2026-06-18

摘要/Abstract

摘要： 将超重力旋转床技术应用于核电站含¹⁴CO₂废气处理过程中,采用NaOH溶液作为吸收剂,在超重力旋转床上开展了CO₂吸收试验,分析了转速、吸收液流量、吸收液浓度、入口气体流量、入口CO₂浓度等因素对CO₂脱除率η、气相体积总传质系数K_ya和有效传质比表面积a的影响。结果表明:η随吸收液流量和吸收液浓度的增大而增大,随入口气体流量和入口CO₂浓度的增大而减小,随转速的增大呈现出先增大后减小的趋势;在转速为1 000 r/min、吸收液流量为8 L/min和吸收液浓度为4%的工况条件下,η可达95%以上。传质性能研究表明K_ya和a均随吸收液流量和入口气体流量的增大而增大、随入口CO₂浓度的增大而减小、随转速的增大呈现出先增大后减小的趋势,K_ya随吸收液浓度的增大而增大,而a则呈现出相反的趋势。

关键词: ¹⁴CO₂, 超重力旋转床, 吸收, 传质

Abstract: The high-gravity rotating bed technology was applied to the treatment of waste gas containing ¹⁴CO₂ in nuclear power plant. NaOH solution was used as absorbent, and CO₂ absorption experiments were carried out on the high-gravity rotating bed. The effects of rotational speed, absorbant flow rate, absorbent concentration, inlet gas flow rate and inlet CO₂ concentration on CO₂ removal efficiency η, overall gas-phase volumetric mass transfer coefficient K_ya and effective mass transfer specific surface area a were investigated. The results show that η increases with the increase of absorbent flow rate and absorbent concentration, decreases with the increase of inlet gas flow rate and inlet CO₂ concentration, and first increases and then decreases with the increase of rotational speed. Under operating conditions with a rotational speed of 1 000 r/min, an absorbent flow rate of 8 L/min, and an absorbent concentration of 4%, η can reach above 95%.The study of mass transfer performance shows that K_ya and a both increase with the increase of liquid flow rate and gas flow rate, decrease with the increase of inlet CO₂ concentration, and show a trend of first increasing and then decreasing with the increase of rotational speed. K_ya increases with the increase of absorption liquid concentration, while a shows an opposite trend.

Key words: ¹⁴CO₂, high-gravity rotating bed, absorption, mass transfer

中图分类号:

TL941+.2

谢钟音, 裴鉴禄, 梁雪飞, 王莽, 梁国亮, 双应忠, 刘志鑫, 陈欣, 梁书玮, 李永国, 俞杰. 超重力旋转床脱除¹⁴CO₂的试验及传质性能研究[J]. 辐射防护, 2026, 46(3): 189-197.

XIE Zhongyin, PEI Jianlu, LIANG Xuefei, WANG Mang, LIANG Guoliang, SHUANG Yingzhong, LIU Zhixin, CHEN Xin, LIANG Shuwei, LI Yongguo, YU Jie. Experimental study on the removal of ¹⁴CO₂ and mass transfer performance in a high-gravity rotating bed[J]. RADIATION PROTECTION, 2026, 46(3): 189-197.

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超重力旋转床脱除¹⁴CO₂的试验及传质性能研究

Experimental study on the removal of ¹⁴CO₂ and mass transfer performance in a high-gravity rotating bed

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