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How to Choose the Shaker Screen?

Posted by:    Time:2014-03-06     click:

The principle is to choose shaker screen selected to save space, weight and power to drive small, because the filter surface can be driven and vibration. While also ensuring rotating or pulsating motion amplitude to be small, but the frequency of vibration shaker under normal circumstances is to more than three thousand times per minute. Select the appropriate vibration Brant screen: To determine the display suppliers know all the parties concerned to use the details. Or a combination of centrifugal force vibration frequency (speed) and amplitude (throwing) and other factors may affect the normal operation of any shaker. In addition, you need to have a correct combination of slope and direction of rotation mechanism, which is critical to display it.

After the increase in choose shaker screen investment, need to know how to prevent clogging because congestion is unnecessary and will increase the daily wear and bearing and reduce the efficiency of screening. Increase in the rate of material per unit time curve goes through the entire screen, so there through the material at a faster rate while the lathe thinner screening needs to be a high efficiency. When the material too fast causes the material to ribbons and maximum tilt angle breakdown occurs when the material reaches the derrick screen cloth openings. At this time a large number of high-quality materials by the speed of the screen too fast, resulting in poor efficiency. When an existing brant screen fails, if the structure of the screen is also suitable for new applications, then should be checked promptly and ask suppliers to see if there is a need to modify the place.

The operator can also get a good shaker by the following vendors:

1. The maximum number sift through tons per hour, including any cyclic loading or any sudden increase in feed rate.

2. through a complete particle size analysis or screening for materials analysis, if conditions allow, it is best to use estimation analysis.

3. Each sieve expected break situation.

4. the material carried by the surface of the water filter, if it is necessary to damp the water or add a certain amount of dried material.

5. special operating requirements or conditions, such as temperature, wear, corrosion or material efficiency or product requirements with other physical characteristics, determining screening surface or installation problems, because it will directly affect the choice of screen size and Derrick Screen real the ability to use.

General types: vibrating screen can be divided into two categories: one for the type of mechanical vibration shaker, the other for power vibrating shaker. The former is based on how the vibrations produced can be subdivided into classes - generated by the eccentric wheel; generated by the imbalance of weight ; generated by a cam or bumper ; They can also be broken down according to the tilt and horizontal. Size: vibrating screens are usually manufactured from a width of 12 feet to 10 feet, a length of from 21 /2 to 28 feet. In general, the length of the dry filter screen should be 2.5 times the width. For wet screening, the wider and shorter Derrick Screen is the best choice. To prevent the Brant screen from being crushed in advance which led operation slope should be maintained at about 12 degrees to 18 degrees, and have up to 11 open cases. Begin throwing an exception from 5 feet to 11 feet is usually 1 / 2 feet; beginning from 3 feet to 5 feet, about 3/ 8 feet and smaller openings 1 / 4 feet. Screening by the desk surface is a heavy casting, steel perforated or non- skid gap between the screen and other parts consisting of welded steel. Mechanical shaker screen consists of a rectangular frame, perforated steel or silk fabric components. It is usually suspended on the suspension tilt and loose rods or cables. These screens are mainly used for special tasks at the right time; you should give way to the shaker screen.

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