Patent AU-2020294295-B2 (AU)
Title: Strong turbulent flow generating device for fast flotation of micro-fine particles
Inventor: YAN XIAOKANG
IPC: B03D1/02
Filed: 2020-07-01
Granted: 2023-03-16
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(54) Title: STRONG TURBULENT FLOW GENERATION DEVICE SUITABLE FOR RAPID SORTING OF MICRO-FINE 
PARTICLES 
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(57) Abstract: A strong turbulent flow generation device suitable for 
rapid sorting of micro-fine particles. The strong turbulent flow generation 
device comprises a cylindrical pipe flow section (1) and a plurality of 
conical rings (2) provided in the pipe flow section (1), wherein the con
ical rings (2) are uniformly distributed in the axial direction of the pipe 
flow section (1), the mounting direction of the conical rings (2) in the pipe 
flow section (1) is configured to enable ore pulp to flow from the bottom 
surface to the top surface. The outer diameter Dl of the bottom surface 
of the conical ring (2) is the same as the inner diameter of the pipe flow 
section (1), a ratio of the outer diameter D2 of the top surface to the outer 
diameterD1 of the bottom surface of the conical ring (2) is 0.3-0.8, and 
an included angle between the outer side wall of the conical ring (2) and 
the inner wall of the pipe flow section (1) is 15 ° -45 ', and a plurality of 
I water through holes (3) are uniformly arranged in the outer side wall of 
the conical ring (2). According to the device, the turbulent flow intensity 
can be improved without additional increase of energy consumption, a 
flotation granularity lower limit is reduced, and the recovery rate of mi
cro-fine particles is increased.
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