Title:
STATIC MIXED-FLOW SEPARATION NET APPLIED TO SPIRAL WOUND MEMBRANE
Document Type and Number:
WIPO Patent Application WO/2024/045769
Kind Code:
A1
Abstract:
A static mixed-flow separation net applied to a spiral wound membrane. The static mixed-flow separation net is composed of several separation net strips (1), which are fixed by means of a separation net strip frame (3) and are uniformly distributed at equal intervals in a feeding direction. Each separation net strip (1) is composed of several separation net units (2); each separation net unit (2) is provided with three fluid channels, which are perpendicular to a feeding fluid direction; and a fluid is subjected to a static flow mixing in the separation net units (2), such that no vortex and turbulent flow are generated, and no fluid dead corner exists when the fluid flows through the separation net, in this way, the surface concentration of substances retained on the membrane is reduced, the mass transfer rate is increased, and fluid mixing is strengthened; and while the concentration polarization and the membrane pollution are effectively reduced, the pressure drop and pump consumption, which are increased due to the addition of the separation net during membrane operation are reduced, and thus the energy utilization rate is increased.
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Inventors:
LIU JIUQING (CN)
ZENG FANLI (CN)
BAI LISHUN (CN)
ZENG FANLI (CN)
BAI LISHUN (CN)
Application Number:
PCT/CN2023/100376
Publication Date:
March 07, 2024
Filing Date:
June 15, 2023
Export Citation:
Assignee:
UNIV CENTRAL SOUTH (CN)
International Classes:
B01D65/08; B01D63/10; B01D69/00
Foreign References:
| CN115487681A | 2022-12-20 | |||
| CN104492269A | 2015-04-08 | |||
| CN104524979A | 2015-04-22 | |||
| CN103566768A | 2014-02-12 | |||
| CN215086203U | 2021-12-10 | |||
| US20190111399A1 | 2019-04-18 |
Attorney, Agent or Firm:
CHANGSHA RONG ZHI PATENT AGENCY (CN)
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