Journal
SEPARATION SCIENCE AND TECHNOLOGY
Volume 55, Issue 3, Pages 564-574Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/01496395.2019.1577264
Keywords
Natural gas hydrate; hydrocyclone purification separator; structure design and parameters optimization; performance investigated; single factor and CFD
Funding
- National Key R&D Program of China [2016YFC0304008, 2018YFC0310201]
- Open Fund of State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation (Southwest Petroleum University) [PLN201827]
- Chinese Academy of Engineering [2017-XZ-10-02-02]
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The exploitation efficiency of natural gas hydrate is highly affected by sand production. In this paper, hydrocyclone purification separator was designed. A combination of single factor with computational fluid dynamics (CFD) was used to optimize the structure parameters. The performance of optimized hydrocyclone was also investigated. It shows that the sand separation efficiency increases from 90.4% to 98.7%, and the natural gas hydrate separation efficiency increases from 89.5% to 97.8%. Furthermore, the cut size of sand and natural gas hydrate are as low as 3 and 2 mu m, respectively, and separation efficiency remains above 80% under inlet parameters. It can provide some reference for the design and manufacture of the in situ purification separator for gas hydrate mixture slurry.
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