The working flow of the coffee bean processing and impurity removal machine

By, WinTone 22 Oct, 2021

   Coffee bean processing and impurity removal machine, including vibrating screen, fan and connecting pipe, is characterized by:

 

There are two groups of vibrating screens, which are installed vertically in series according to the upper and lower layers in a closed system. The upper end of the closed system is connected with a fan. The aperture of the upper vibrating screen is larger than that of coffee beans, and the aperture of the lower vibrating screen is smaller than that of coffee beans. path.

 

The aperture of the upper vibrating screen is 8-12 mm, and the aperture of the lower vibrating screen is 4-6 mm.

 

  The impurity removal machine has a discharge port on the upper vibrating screen, a discharge port on the lower vibrating screen, and a discharge port on the bottom of the closed system.

coffee bean processing and impurity removal machine

  The coffee bean processing and impurity removal machine is composed of a closed system composed of a vibrating screen, a fan and a connecting pipe;

 

the closed system allows the air flow generated by the fan to pass through in one direction and be discharged by the gas, especially the upper and lower two-layer vibrating screens connected in series vertically. ;

 

   The aperture of the upper vibrating screen is larger than the aperture of the lower vibrating screen. After the coffee beans enter the upper vibrating screen from the upper part of the closed system, lighter impurities, such as coffee bean whiskers, are blown out by the airflow first due to the upward air flow;

 

after the coffee beans enter the upper vibrating screen, as the vibrating screen vibrates, because the upper vibrating screen has a slightly larger diameter than the coffee beans, the coffee beans enter the lower vibrating screen through the upper vibrating screen holes, and the larger diameter impurities remain on the upper vibrating screen. With the vibration, it gradually flows to the discharge port and is discharged;

 

the coffee beans entering the lower vibrating screen are vibrated by the vibration of the lower vibrating screen. The impurities of smaller particle size enter the bottom through the sieve holes and are discharged. The aperture of the lower vibrating screen is smaller than the usual coffee bean size, and the coffee beans after removing impurities are vibrating. The bottom is discharged through the second discharge port.

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