| 摘要:基于混合胺吸收液对CO2的吸收与解吸过程，设计吸收解吸气液交互喷淋塔装置，选定性能最佳的吸收和解吸气液流量比例。经实验得出：在10% CO2、5 m3/h气体通入条件下，液体流量为20 L/h时单次吸收效率最高；在3.5 kg/h、101 ℃水蒸气通入条件下，液体流量为40 L/h时单次解吸效果最好。基于选定的气液比，保持吸收液总胺量不变，加入2-氨基-2-甲基-1-丙醇（2-amino-2-methyl-1-propanol，AMP）进行二元配方实验，结果表明当单乙醇胺（monoethanolamine，MEA）与AMP比例为3∶2时单次吸收与解吸性能最好。保持MEA量不变，胺总量不变，再加入哌嗪（piperazine，PZ）进行三元混合配方进行研究，结果表明当MEA∶AMP∶PZ为3.0∶0.5∶1.5时，单次吸收性能和解吸性能均为最佳。 |
| 关键词: 船舶 碳捕集 溶液吸收法 气液比 三元混合胺 |
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| Gas-Liquid Ratio and Formula of CO2 Mixed Amine Absorption Liquid Based on Spray Tower |
| XU Suhua,YANG Yubo,LIU Annan,BI Qinian |
| Nantong Ocean Ship Equipment Co.， Ltd.， Nantong 226000， China;COSCO Shipping Bulk Co.，Ltd.， Guangzhou 511400， China |
| Abstract:An absorption-desorption gas-liquid interactive spray tower device was designed based on the CO2 absorption and desorption by mixed amine absorption liquid.The optimal absorption and desorption gas-liquid flow ratios were identified.The experiment results indicate that：under the condition of 10% CO2 and 5 m3/h gas flow，the single-stage absorption efficiency is the highest when the liquid flow rate is 20 L/h；under the condition of 3.5 kg/h and 101 ℃ steam input，the single-stage desorption effect is the best when the liquid flow rate is 40 L/h. Based on the selected gas-liquid ratio，while keeping the total amine content of the absorption liquid unchanged，AMP（2-Amino-2-methyl-1-propanol） was added for the binary formulation experiment.The results show that the single absorption and desorption performance is the best when the ratio of monoethanolamine（MEA）to AMP is 3∶2.With the MEA content and the total amine content constant，Piperazine（PZ）was added to study the ternary mixed formulation.The results demonstrate that when the ratio of MEA∶AMP∶PZ is 3.0∶0.5∶1.5，both the single-stage absorption and desorption performances are optimal. |
| Key words: ship carbon capture solution absorption method gas-liquid ratio ternary mixed amineamine |
