Twin screw fish feed extruder, also called floating fish feed machine, is widely used for produce high-grade aquatic feed pellets for fish, catfish, shrimp, crab, lobsters, etc.We have two types of fish feed extruder, dry type and wet type model fish feed machine, through feeding materials, extruding,Forming,Filling and cutting, drying, oil spraying, packing to produce floating and sinking fish feed pellets automatically,Moreover, you can change extrusion degree to influence floating time.
There is no need to heat outside the machine, through the screw extruding of the raw material, heat is produced and gathered during the rotary working process in the airtight environment, and during the high temperature ripening process, the starch and fiber of the raw material become swell. Then under the pressure-tight condition, material will be formed into pellets by shaping mould. At the end, through the high pressure produced by the regular rotating of the screw, after being cut by the forepart cutter which rotates regularly and high-speedily, the finished products will be shrunk and become small average puffed balls in room temperature and pressure.
Q: Are you trading company or manufacturer ?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 20-30 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
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