Cotton seed cleaning suction flat screen
The suction flat screen is a joint cleaning equipment that combines screening and air separation. In addition to using a vibrating screen for screening, it can also use wind power to remove light impurities and some heavy impurities such as dust, husks, stems and leaves, debris, lint, etc. in cotton seeds. Suitable for cleaning cotton seeds.
Suction The structure of the flat screen is shown in Figure 9-4. The cotton seeds enter the upper screen surface of the vibrating screen from the feeder (screen hole diameter 6mm), and the stiff flaps and large impurities are screened out. There is an air suction channel on the side of the feeder. Can absorb part of the fine dust. The cotton seeds enter the front section of the lower screen (the screen hole is a long hole of 3mm×50mm) to screen out mud, sand and long impurities, and the rear section (the screen hole is a circular hole with a diameter of 6.35mm) screens out some withered cotton seeds and broken pieces. son. The mud, sand, long impurities and shriveled particles are screened out by the two-layer screen surface and fall into the trash tray. They are then cleared out by people or pushed out by a screw conveyor.
After two After the cotton seeds screened for the first time come down from the lower screen surface, they flow directly into the entrance of the air selection chamber, and encounter a strong vertical upward airflow at the entrance. Because the cotton seeds are light, they can be blown into the air chamber, and heavy impurities such as stones and metals can be removed. If it cannot be blown away, it will fall against the airflow and be winched out by the lower auger.
After the cotton enters the air chamber, under the action of inertial force, it impacts the adjustable metal mesh at a high speed, knocking down the small sand and dust in the cotton, and settles in the collection chamber through the metal mesh. It is sent out of the machine by the conveying screw, or discharged through the fan with the air flow, and then enters the Sacron separation device. The cotton seeds settle in the air chamber, fall into the unloader below, and are discharged from the unloader through the discharge port.
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