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Quality defects and solutions of expanded feed
After years of practical experience in equipment production. It is considered that the following defects generally appear in the processing of expanded materials: 1. Uneven particle size and length; 2. There are many pores in particles; 3 particle deformation; 4. The hardness of particles is not enough; 5. The particle has poor water resistance and viscoelasticity; 6. The particle incision is irregular and oblique; 7. The expansion of particles is not high; 8. Particles are submerged; 9 particles are big at one end and small at the other; 10. The particles form a concave shape in the double cut plane; 11 particles with tail; 12 particle surface peeling. In this paper, some problems often occurred in the processing of expanded materials are summarized, and the corresponding solutions are put forward.
22-07-2022 -
Ventilation and dust removal in production workshop of feed plant
Ventilation and dust removal in feed processing plant is one of the important auxiliary processes in feed plant. Ventilation refers to the technology of introducing clean air into the workplace or working space to replace the polluted air with high dust concentration. Ventilation is divided into natural ventilation and artificial ventilation. Dust removal refers to the technology of separating, capturing and removing the dust in the dusty air or on the surface of objects. It should be said that in ventilation and dust removal, ventilation is the means and dust removal is the purpose. Therefore, the ventilation and dust removal technology is the most effective measure to reduce the dust in the working environment.
30-06-2022 -
Expanded feed technology
Puffing technology refers to that the material containing certain moisture is sent into the extruder. Driven by the screw rod and screw, the material moves forward to form an axial movement. The mechanical friction between the material and the screw, the material and the barrel and the interior of the material. The material is strongly extruded, stirred and sheared, so that the material is further refined and homogenized. Then, the pressure and temperature inside the cavity continue to increase and rise, and the material is under high temperature, high pressure Under the action of high shear force, the material components have complex physical and chemical changes. Finally, the paste material is ejected from the die hole, resulting in an instant pressure difference, and the material is expanded to form an expanded product with loose structure, porous and crisp.
18-04-2022 -
Introduction of twin-screw extruder
The classification of twin screw extruders and their performance and application were introduced in this paper.
17-02-2023 -
Small dog food production line
Automatic small dog food processing equipment production line
14-03-2022 -
Difference between twin screw extruder and single screw extruder .
- single screw extruder: suitable for processing all kinds of raw materials and ordinary livestock and poultry compound feed - twin screw extruder: the final product requires good molding and beautiful appearance, compound feed (aquatic products, pet food) with uniform maturity and adjustable density, and raw materials with high added value( ɑ Starch, tissue protein, etc It should be noted that the above division is not absolute. For example, we recommend using twin-screw to produce aquatic feed, but at present, many enterprises use single screw to produce aquatic feed. Many articles have introduced their application in aquatic products
17-02-2022 -
pet dog and cat food making production machine line
Fully automatic,easy operation and save human work,high efficiency.Multy function can produce differnt type product.
25-10-2021