4 Mistakes When Using Vibrating Screen
Vibrating screen is a filter mechanical separation equipment for solid phase treatment of mud, widely used in mining, building materials, transportation, energy, chemical and other industries, used as material classification, washing, dehydration, descaling screening. Vibrating screen is mainly divided into linear vibrating screen, circular vibrating screen, high frequency vibrating screen. Vibrating screen is composed of vibrator, screen, suspension device, transmission device and other parts, screen is an important part of the vibrating screen, but the screen damage too fast is one of the common problems of the vibrating screen, what led to the screen life is not long, how to improve its service life, as a professional mining equipment manufacturer, will be for you in-depth analysis and guidance.
The main reasons for the short life of the vibrating screen are clay accumulation, motor steering errors, screen and screen frame fitting is not tight and screen quality is poor, for these problems and how to solve, let's further analyze.
Clay Accumulation
The vibration amplitude of the vibrating screen is too small to effectively overcome the viscous force of the clay, resulting in its accumulation on the screen and rapid damage to the screen.
The solution:
1, increase the vibration amplitude.
2. Flush the screen and clay with sprayed water to reduce viscosity, but this method is only suitable for occasions where water is allowed to be added.
3. Downward adjustment of the screen Angle at the end of the sand discharge is conducive to the discharge of materials by gravity.
4, replace the mesh number of the screen or adjust the flow of the single screen, so that the material is discharged smoothly.
When debugging the motor steering, the field operator, according to previous experience, thinks that as long as the material goes forward, but this method is only applicable to the linear screen. If the motor incorrectly rotates toward the inside, although the ejector Angle is also 45° forward, the material has a backward rolling force, and the forward migration speed is much slower, and the stay time on the screen is long, and even the material cannot be discharged.
Motor Steering Error
When debugging the motor steering, the field operator, according to previous experience, thinks that as long as the material goes forward, but this method is only applicable to the linear screen. If the motor incorrectly rotates toward the inside, although the ejector Angle is also 45° forward, the material has a backward rolling force, and the forward migration speed is much slower, and the stay time on the screen is long, and even the material cannot be discharged.
The solution:
1. When the screen box is running, press the stop button of the electric control box, at this time the vibrating screen will slowly stop, observe the elliptical track formed by the small point on the side plate when the vibrating screen is running, and roll to the sand outlet for correct turning.
2. Remove the vibrator shield and check whether the eccentric shaft rotates outwards.
3. Replace any 2 phase lines in the power supply of the electric control box, sprinkle some sand on the screen, and the one with faster sand discharge speed is the correct direction.
The screen can not be reliably contacted after the rubber strip supporting the screen is worn; The screen is not properly taut.
The fit between screen and screen frame is not tight
The screen can not be reliably contacted after the rubber strip supporting the screen is worn; The screen is not properly taut.
The screen is of poor quality
The screen generally has the upper screen layer and the lower stress layer, which requires a tight fit between the two layers, if the screen process is poor, when the stress layer at the bottom of the screen is tight, the screen layer is not tightened, and the throwing force of the material is greatly reduced when working, and can not be smoothly screened and discharged.
The solution:
Replace the high quality screen.
As professional and leading mining equipment manufacture, gomine has all kinds of mining equipments, such as crusher, washer, vibrating screen and so on. If you have any interests or questions, feel free to contact us, we will give you perfect solutions.
Replace the high quality screen.
As professional and leading mining equipment manufacture, gomine has all kinds of mining equipments, such as crusher, washer, vibrating screen and so on. If you have any interests or questions, feel free to contact us, we will give you perfect solutions.
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