Fish Food Pet Feed Extruder

The Pet Feed Extruder is widely used to process all kinds of grains into high-grade aquatic floating feed pellets for fish, catfish, shrimp, and crab. It can also make pet feed for dogs, cats etc, with different shapes and chicken feed.

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How Does a Fish Feed Extruder Work?

The raw material is evenly fed into the screw extrusion chamber of the fish food extruder by the feeder, and the volume of the extrusion chamber is gradually reduced in the direction of material flow, and the expansion pressure of the material is gradually increased. In this case, the movement of the material in the extrusion chamber is accompanied by strong shear and friction.

Sometimes, depending on the need, an electric heating sheet can be added on the outside of the expansion chamber to facilitate heating. This combined action will cause the temperature of the material to rise sharply and the starch in the material to gelatinize.

By the time the material came out of the mold hole, the pressure suddenly dropped to 0.1 MPa, the water quickly turned into steam and its volume increased, so the volume of the material also increased. The steam is further released and reduces the moisture content of the material, and the temperature drops rapidly. The material then solidifies immediately and forms many micropores in the condensed colloidal material.

Continuously extruded columnar or flaky air products are cut with a rotary cutter and cooled, sometimes post-drying and spraying procedures of additives (such as fat, vitamins, etc.) are also necessary.

Features of Fish Food Pet Feed Extruder

1. The floating fish feed machine can make pellets from a diameter of 1 mm to 12 mm just by changing the mold.
2. An electric heating device is adopted, which can improve the feed expansion rate and pellet floating time.
3. High-temperature and high-pressure cooking processes can wipe out salmonellosis and bacterial infections and also make the pellets easy to digest.
4. The cutting device can be adjusted to make pellets of different lengths
5. The extruder design is unique; the structure is simple, easy to install, easy to disassemble, and easy to operate.
6. The floating time can be controlled by the puffing degree adjustment
7. The finished pellets can keep floating for 3-15 hours without polluting the water.
8. An electric heating device is adopted, which can improve the feed expansion rate and pellet floating time.
9. The wet type machine needs a boiler to make steam, which can conduct steam to the conditioner and ripen the raw material in advance.

Raw Material

The raw material is: Flour, corn meal, soybean meal, maize meal, meat meal, bone meal, fish meal, etc.

Mold Hole And Finished Product Display

The feed extruder comes with several different matrices (pillows, hearts, balls, etc.), which allows you to produce feed of various shapes. Moreover, due to the cutting knives, the size of the final product can be controlled from 1 to 20 mm. The device automatically controls the raw material feed speed and volume. Both can be adjusted during operation.

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