1. Micro powder
Micropowder is an additive commonly used in the industrial field and plays a very important role. It generally refers to abrasive particles with a size of 300 mesh or 0.048mm or less.
2. Micro powder ultrasonic rotary vibrating screen
The processing flow of micropowder is: slag drying→extrusion→dispersion→powder selection (fine powder)→high fine grinding→finished product.
Micro powder ultrasonic rotary vibrating screen combines the high-frequency vibration generated by ultrasonic waves with the low-frequency motion brought by the motor weight through the transducer, which can achieve high-efficiency screening of micro-powders. The following is a comparison table of the effect of ultrasonic rotary vibrating sieve for screening fine powder and ordinary vibrating sieve:
From the comparison table, it can be clearly seen that the ultrasonic rotary vibrating screen for micro-powder is significantly higher than ordinary screening machines in terms of screening capacity, screening output and screening efficiency when facing micro-powder.
Micro powder ultrasonic screening features:
Model | Ordinary screening machine | Ultrasonic Rotary Vibrating Screen | Test result | ||
Test material | Mesh | Test result | Mesh | ||
Φ1000 | Carborundum | 500 | Can't screen points | 500 | 1500kg/h |
Φ1000 | Hard alloy tungsten powder | 600 | No fine powder was screened out for 15 minutes | 600 | 30kg/h |
Φ1000 | Vitamin powder | 400 | 1kg/h | 100 | 120-150kg/h |
Φ500 | Pollen | 400 | No fine powder was screened out for 15 minutes | 400 | screen out 20% fine powder in 15 minutes, which can be more fine and more effective grading |
Nickel powder, cobalt powder | 325 | The screen meets the requirements three times | 400 | Screening meets the requirements once | |
Φ450 | Ndfeb powder | 300 | There was a 32.2% sieve residue at 30 min | 300 | There was a 6.9% sieve residue in 30 min |
(1) Classification and screening, the fineness can reach 600 mesh
Micro powder ultrasonic rotary vibrating screen mesh can reach 600 meshes, which can meet the fineness screening requirements of most micro powders, and can increase the sieve layer for grading and screening to solve most of the models required for micro powder use.
At the same time, the upper screen can screen out larger particles of fine powder, which is convenient for further grinding of unqualified fine powder.
(2) Low-amplitude and high-frequency over the network fast
The vibration frequency of the mechanical energy generated by the ultrasonic transducer can reach 36,000 times per minute, and at the same time, it vibrates at a low amplitude, which can make the micropowder pass through the mesh quickly without reducing the screening accuracy.
(3) Large output of anti-blocking net
Due to the high vibration frequency and low vibration amplitude of the micro-powder ultrasonic rotary vibrating screen, the micro-powder can form a low-altitude suspension state on the screen, avoiding the micro-powder sticking to the screen and blocking the screen, without the need to place an additional cleaning device, and also improving the service life of the screen. While improving efficiency, it also increases production.
(4) Fully sealed and pollution-free
The sieve machine of the ultrasonic rotary vibrating screen for micro-powder is tightly closed to prevent the micro-powder from flying in the sieving process, and it can also prevent other impurities and dust from entering the sieve machine and causing pollution to the micro-powder.
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