文献类型： 会议论文

第一作者： Yongmei Hu

作者： Yongmei Hu ¹ ; Qi Ni ² ; Yanxiang Wu ¹ ; Yulei Zhang ³ ; Chongwu Guan ³ ;

作者机构： 1.Shanghai Ocean University

2.Key Laboratory of Fishery Equipment and Engineering, Ministry of Agriculture

3.Fishery Machinery and Instrument Research Institute, Chinese Academy of Fishery Sciences

关键词： Recirculating aquaculture water;CO_2 removal device;Testing;Impact factors;CO_2 removal efficiency

会议名称： International Conference on Advanced in Control Engineering and Information Science

主办单位：

页码： 4778-4787

摘要： The dissolved CO_2 accumulation has become an important factor restricting production in the high-density recirculating aquaculture system in which pure oxygen injection is used. In this paper, a novel CO_2 removal device is designed for the recirculating aquaculture water environment based on the principle of gas exchange. In terms of experiments, the DOE (design of experiment) method is applied to design three factor two level orthogonal experiment, Further, significance effect of gas to liquid ratios (G/L), inlet CO_2 concentration, the water flow rate (Q_W) on CO_2 removal efficiency is analyzed. Results show that G/L has the most significant influence on the CO_2 removal efficiency. Influences of the latter two on CO_2 removal efficiency are not apparent. Tests results of G/L effect on CO_2 removal efficiency show that, when G/L=1～5, CO_2 removal efficiency increases rapidly with the increase of G/L; when G/L=5, CO_2 removal efficiency=80%～88%; when G/L=8, CO_2 removal efficiency=86%～92%, when G/L>8, CO_2 removal efficiency increases gently with the increase of G/L. Considering both system energy saving and effective removal of carbon dioxide, G/L=5～8 is considered to be the best for the aquaculture water CO_2 removal device running, CO_2 removal efficiency=80%～92%.

分类号： tp273-53