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Structural optimization of the three‑phase separator within an internal circulation anaerobic reactor
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Wenbo HUANG, Pu XING, Hui WU, Mingjun ZUO, Peilin YANG, Ling YU
Fluid Machinery | 2025, 53(8) : 51 - 60
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Fluid Machinery | 2025, 53(8): 51-60
Structural optimization of the three‑phase separator within an internal circulation anaerobic reactor
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Wenbo HUANG, Pu XING, Hui WU, Mingjun ZUO, Peilin YANG, Ling YU
Affiliations
  • School of Aviation Manufacturing and Mechanical Engineering，Nanchang Hangkong University，Nanchang 330063，China
Published: 2025-08-30 doi: 10.3969/j.issn.1005-0329.2025.08.007
Outline
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To address the low efficiency of internal circulation anaerobic reactors in treating livestock wastewater，this study focuses on the three‑phase separator.By analyzing the relationship between its structural parameters and separation efficiency，the effects of baffle plate angle，reflection cone structure，and inlet velocity on the flow distribution inside the reactor were investigated.A combination of numerical simulation and experimental verification was used to compare separation performance under different parameter conditions.The results show that the optimal structural parameter combination for the new three‑phase separator is achieved when the baffle plate angle θ is 55° and the reflection cone adopts a diamond‑shaped structure.When the inlet velocity v is 0.16 m/s，the reactor exhibits optimal wastewater treatment performance，with solid phase separation efficiency reaching 95.75% and gas phase separation efficiency reaching 81.84%.Compared to the original structure，the separation efficiencies for both solid and gas phases in wastewater improved by over 10%.This study provides valuable insights for the design of internal circulation systems and IC reactors.

three‑phase separator  /  numerical simulation  /  structural parameters  /  separation efficiency
黄文波, 邢普, 吴晖, 左名君, 杨佩林, 虞玲. 内循环厌氧反应器内三相分离器结构优化. 流体机械, 2025 , 53 (8) : 51 -60 . DOI: 10.3969/j.issn.1005-0329.2025.08.007
Wenbo HUANG, Pu XING, Hui WU, Mingjun ZUO, Peilin YANG, Ling YU. Structural optimization of the three‑phase separator within an internal circulation anaerobic reactor[J]. Fluid Machinery, 2025 , 53 (8) : 51 -60 . DOI: 10.3969/j.issn.1005-0329.2025.08.007
Appendix
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Year 2025 volume 53 Issue 8
52
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Article Info
doi: 10.3969/j.issn.1005-0329.2025.08.007
  • Receive Date：2025-01-26
  • Online Date：2026-10-20
  • Published：2025-08-30
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  • Received：2025-01-26
  • Revised：2025-06-27
Affiliations
    School of Aviation Manufacturing and Mechanical Engineering，Nanchang Hangkong University，Nanchang 330063，China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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