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Influencing factors and analysis of screening performance of vibrating screen and Drilling Fluid Shale Shaker for sale near me

Influencing factors and analysis of screening performance of vibrating screen and Drilling Fluid Shale Shaker for sale near me

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For the continuous sliding particles, the main factors affecting the screening capacity of the Drilling Fluid Shale Shaker are analyzed from the two aspects of motion parameters and structural parameters, and the combined effects of the vibration frequency, amplitude, screen inclination angle and boom angle, and the arrangement direction of the particles on the screen surface are considered. , It can be used for the design and improvement of vibrating screen on grain cleaning machine.

 

Drilling Fluid Shale Shaker is an important separation device in agricultural machinery, and its screening performance directly affects the screening effect. In recent years, the research on the vibrating screen is limited to the analysis of the movement state of the grain on the screen surface and its computer simulation, and the research on the penetration performance of the grain on the screen surface is still in its infancy. Therefore, starting from the two aspects of motion parameters and structural parameters, analyzing the main factors that affect the screening capacity of the vibrating screen is of great significance for further optimizing the screening mechanism and improving the screening performance of the vibrating screen.

Influence and analysis of motion parameters on Drilling Fluid Shale Shaker screening performance.

 

Drilling Fluid Shale Shaker Vibration frequency

 

The choice of the vibration frequency of the vibrating screen will affect the ability of the particles to pass through the screen. Particles have a variety of movements on the sieve, but when the sieve is selected, the continuous sliding of the particles on the sieve surface is the most effective form of movement. When measuring the speed of a particle (a particle smaller than the size of the sieve hole) through the sieve hole, it is assumed that the particle is an oblong sphere, and its long axis is parallel to the plane of motion of the sieve (only the elliptical or oblong shape can be assumed to be Oblong sphere). The arrangement direction of the oblate spheres on the screen surface is related to the vibration frequency and amplitude.

 

The influence of Drilling Fluid Shale Shaker vibration frequency on the direction of particle arrangement

When the vibration frequency of the grain disk is greater than the natural vibration frequency of the elongated particle, the long axis of the particle will be parallel to the vibration plane; when the vibration frequency of the grain disk is less than the natural vibration frequency of the particle, the long axis of the particle will be perpendicular to the vibration plane.

 

The influence of Drilling Fluid Shale Shaker vibration frequency on the direction of friction force on the particle. 

The prolate spherical particles vibrate at the same frequency as the vibrating disk. The direction of friction between the particle and the grain disk depends on whether the vibration frequency of the grain disk is greater or less than the natural vibration frequency of the particle. When the vibration frequency of the grain disk is less than the natural vibration frequency of the particle, the direction of the friction force causes the particle to rotate in a position perpendicular to the direction of movement of the grain disk. When the mass point rotates, the frictional force component makes the mass point vibration smaller, so that the force arm is reduced. The prolate spherical particle will finally stabilize in such a position, and the friction force will make the object rotate around its long axis, just like a sphere rotating on a vibrating plate. When the Drilling Fluid Shale Shaker vibration frequency of the grain disk is greater than the natural vibration frequency of the particle, the direction of the frictional force is opposite to the above-mentioned direction, as a result the particle rotates in the opposite direction. The rotational momentum in the horizontal plane can make the long axis move a distance parallel to the direction of vibration. The friction of the next stroke usually causes the mass point to rotate in the opposite direction as shown in Figure 2. Backward and forward rotation around the short axis generally decreases with time. As the mass point stabilizes in a parallel position, friction no longer causes the mass point to rotate around its long axis, but vibrates around its vertical (short) axis at the frequency of the grain disk.

 

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