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Use and maintenance of banana sieve

The double-layer banana sieve is mainly used for coal grading, desliming, dehydration and de-intermediation, and also suitable for the screening and grading of other minerals. The double-layer banana screen includes side panels, vibration exciters, motors, belt drives, auxiliary shaft pairs, buffer springs, upper sieve plates, lower sieve plates, excitation beams, upper beams, lower beams, lifting beams, etc. Double-layer vibrating sieve for banana sieve. The upper sieve plate has a large inclination angle, and the lower sieve is basically arranged horizontally. This structure can efficiently process a large amount of feedstock through thin-layer screening. The feed material passes through the upper sieve plate at a high speed to make the powder material get preliminary separation. The material moves at high speed on the sieve plate to separate it into thin layers.



Maintenance of banana sieve

Before installation, it is necessary to check whether the parts are intact and complete, and to conduct a thorough cleaning and inspection of the installation foundation of the sieve machine. The embedded steel plates under the four spring support seats must be in the same horizontal plane. After the vibration isolation frame is in place and the vibration isolation spring is adjusted to be perpendicular to the upper and lower supporting surfaces, the spring seat and the lower embedded steel plate can be welded firmly. When welding, only weld both sides of the spring, not both ends of the spring seat. Before installing the vibration isolation spring, check the dimensions and stiffness values ​​to ensure that the stiffness and height of each group of springs are consistent. After the springs are installed, all springs are required to be vertical to the upper and lower supporting surfaces. The exciter and the screen box have been installed at the factory and shipped together. The original assembly condition must be checked at the installation site and the connecting parts must be re-fastened.


The sieve machine should avoid starting with material, and start feeding after it starts and runs smoothly. The feeding should be stopped before stopping, and the sieve can be stopped only after all the materials on the screen surface have passed. During the working process, always check whether the sieve machine is running smoothly. If it is found that the operation is abnormal or there is an impact sound, it should be stopped and checked immediately. In the event of a sudden accident, the material on the screen surface should be removed to avoid starting with materials when the machine is turned on next time, which will affect the service life. Frequently check the abrasion of the sieve plate and liner. If severe abrasion or cracks in key parts are found, they should be replaced or repaired in time.

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