Granule puffing machine and method for manufacturing seedling materials

Abstract

The invention discloses a granule puffing machine. The granule puffing machine comprises a barrel and a material extruding device arranged inside the barrel, a die plate is arranged at the discharging end of the barrel and provided with a die hole, a centrifugal machine is arranged on the lower side of the die plate and comprises a bottom plate, a side wall is arranged around the bottom plate, and the bottom plate is used for bearing materials extruded by the die plate. The extruding device extrudes the materials from the die hole into a noodle shape, then the materials enter the rotating bottom plate, and the noodle-shaped materials are arranged on the bottom plate, roll on the bottom plate like thin ropes under the centrifugal force and friction force of the bottom plate and mutual extruding force and under influences of centrifugal rotation speed after a period of time, and are gradually split into multiple sections to form fine granules with smooth surfaces. The invention further discloses a method for manufacturing seedling materials by the adoption of the granule puffing machine. The method can produce spherical seedling granules, wherein the diameter of the spherical seedling granules is 350-500 micrometers.

Description

technical field [0001] The invention relates to an extruder, in particular to a pellet extruder, which belongs to the technical field of food and feed extruder processing equipment. The invention also relates to a method of making seedling feed. Background technique [0002] Because extruded feed has the advantages of high degree of ripening, good water resistance, and easy absorption and digestion by animals, the extruded process is widely used in the field of aquatic product processing. Currently on the market, extruded feed is mainly produced directly through an extruder, and pellets with a minimum particle size of 0.6mm can be obtained, which can be used to feed most aquatic products. [0003] Aquatic products such as fish and shrimp in the young stage need to eat tiny food particles, usually with a particle size below 1.0 mm, due to their small size and immature digestive system. As far as feeding habits are concerned, seedlings usually feed underwater, and more often...

AI Technical Summary

Problems solved by technology

After drying and cooling, there are relatively sharp edges and corners, which affect the effect of feeding and digestion of seedlings, and are not suitable for feeding seedlings whose digestive system has not yet matured.

Some puffing machine manufacturers produce puffed materials with one-sided concavity and convexity by optimizing the template, and the small particles produced have poor uniformity, and still cannot completely solve the problem of difficult digestion and absorption of seedlings

Images