Company Details

  • Xinxiang Hexie Feed Machinery Manufacturing Co.Ltd

  •  [Henan,China]
  • Business Type:Manufacturer
  • Main Markets: Asia , Europe , Africa , Americas , Caribbean , East Europe , Middle East , North Europe , Oceania , Other Markets , West Europe , Worldwide
  • Exporter:31% - 40%
  • Certs:CE, ISO14001, ISO9001, OHSAS18001
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Xinxiang Hexie Feed Machinery Manufacturing Co.Ltd

Home > News > Screener


Granule grading screen is the last working procedure of granule making section and also the guarantee measure of granule finished product quality. In the process of pelleting and crushing, a certain amount of unqualified small particles and powders will be produced. Grading screen is to screen out unqualified small particles and powder, and then sent to the Pellet Mill re-pelleting. Send the granule with the size larger than the qualified product back to the Pellet Crumbler to be broken again, and send the qualified product to the packaging.

Selection principle
Screening is the use of mesh holes to the material is divided into two parts, where larger than the size of the screen hole can`t be through the screen hole is called on the screen. Less than the size of the screen through the screen hole is called under the screen. The grading screen should be matched with the screen mesh or screen plate according to the particle size requirement of screening materials. If 2~3 layers of screens are installed on a sieve body, 3~4 kinds of materials with different particle sizes can be separated.

Classification of grading screens.
There are two kinds of vibrating screen and rotary screen commonly used in grading screen.
The structure of vibrating classifier is simple and the manufacturing cost is low. It is directly driven by one or two vibrating classifier. Some small feed processing units that do not match the pellet crumbler can be installed directly under the cooler.
Rotary Screener is the most widely used classifier in feed processing plants. Its screen motion includes the advantages of circular motion, elliptical motion and linear motion, and has a screen surface cleaning mechanism (using rubber ball), so the output is large and the screening efficiency is high. Rotary screener is composed of frame, sling, base, motor, transmission mechanism, screen body and support plate. The size of the screen width of the screener determines the amount of production. The models, screen width and screen length produced by various manufacturers are not completely the same.

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