Fish Feed Pellet Production Line

Where the Line Runs

Small and medium aquafeed plants run it as the main production line, sized by extruder model. Aquaculture farms process their own grain into species-matched feed for tilapia, catfish, grass carp, carp and bream ponds. Workshops with mixed demand switch dies between fish feed and pet feed runs. Several fish feed pellet production lines now stand in one feed group, spare parts pooled between them.

Five Stations From Grain to Bagged Pellets

Extruder choice follows scale: dry-type extruders run without steam and suit small farms; wet-type machines condition the mash first and deliver higher output for mills.

Formula Data: Grass Carp, Carp and Bream

Three freshwater formulas ship printed with the line.

Percentages by weight. Custom formulation follows local materials.

What the Line Adds Over Mash

Pellets hold together in water, so waste drops instead of sinking into the pond floor.

Conditioned pellets carry the full formula, so fish cannot sort ingredients.

Floating output makes intake visible at the surface; ration size adjusts from observation.

Bulk density rises after pelleting, cutting storage space and transport cost per ton.

Why Conditioner and Extruder Both Matter

Stage one: steam in the conditioner preheats the mash and starts gelatinization, evening out moisture before any pressure. Stage two: the extruder screw finishes cooking under high temperature and pressure, puffs the melt through the die, and the expansion degree - set by formula and parameters - decides floating or sinking.

Grind size before all of this sets the ceiling. Coarse powder produces weak pellets that cloud water.

Maintenance Overview

Extruder screw and die wear as a pair; inspect both on schedule, replace past limit.

Hammer mill hammers flip on schedule; torn screens change grind size immediately.

Ribbon mixer: paddles and spray nozzles checked for buildup.

Dryer ducts and sieve stay clean - blocked paths hold moisture in the pellets.

Motor, cabinet and packing machine follow the standard service list. Spares stock: screws, dies, hammers, screens. Core components carry a one-year warranty and wear parts ship from stock.

Daily Operation

Test raw material moisture per batch.

Grind to spec before mixing.

Run floating-sinking switches as small test batches first.

Clean conditioner and screw chamber between formulas.

Feed once daily; the batch should clear in 10-30 seconds. Overfeeding wastes feed and degrades water.

Frequently Asked Questions

Q: Should a new farm launch with floating or sinking pellets first?
Floating feed wins the start - intake is visible at the surface, residual feed stops rotting on the bottom, and ration size adjusts from observation. Sinking formulas follow for bottom-feeding species.

Q: Dry-type or wet-type extruder on this line?
Dry type runs without steam and suits small farms; wet type conditions the mash first and delivers higher output for plants past a ton per hour.

Q: Where do the formulas come from?
Grass carp, carp and bream sheets ship printed with the line; custom formulation follows your local materials.

Q: What grind size should the hammer mill run?
Fineness follows the formula and species - the screen sets it. Too coarse and pellets press weak and cloud the water; the grind follows the pelleting requirement, not the other way around.

Q: Can one line make pet food too?
Yes. Die changes turn the same extruder to dog, cat, rabbit and bird feed between aquatic runs.

Q: Why pellet instead of mash for fish?
Mash disperses and clouds water. Pellets hold together, waste less, and floating types make intake readable - which supports the 10-30 second feeding rule.

Q: How often should fish be fed?
Once a day, only as much as clears in 10-30 seconds. Overfeeding wastes feed and degrades water quality.

Henan Lvlon Machinery - China-based manufacturer of feed pellet production lines.

Contact Lvlon for model selection, factory wholesale price, distributor terms and container loading plan.