Fish Feed Twin Screw Extruder

The Fish Feed Twin Screw Extruder is an industrial processing system that uses co-rotating dual screws to cook, shear, and form aquafeed pellets.

Wear-Resistant Alloy Components
38CrMoAlA nitrided screw and barrel materials are used for continuous processing of abrasive feed materials.

Interchangeable Screw Segments
Modular block design allows adjustment of shearing and mixing zones according to formulation requirements.

PLC Control System
Central control system logs and regulates barrel temperatures and screw speeds within operating ranges.

Gearbox Drive System
Co-rotating gearbox design supports torque transmission under load fluctuations during operation.

Splined Shaft Construction
Involute spline geometry maintains mechanical engagement during high-viscosity processing conditions.

Quality Control
Screw Runout Calibration
Radial runout is controlled within 0.03 mm to reduce risk of barrel-to-screw contact.

Hydrostatic Pressure Test
Barrel jackets are tested at 1.2 MPa water pressure under standard test conditions.

Hardness Verification
Screw surface hardness reaches above HV950 for wear resistance during pellet processing.

Gearbox Load Test
Gearboxes undergo 24-hour full-load operation with temperature rise kept under 45°C.

Thermal Distribution Check
Multi-zone temperature deviation remains within 1°C under stable operation conditions.

Remote PLC diagnostics are provided for system condition checking and fault analysis.

On-site commissioning includes mechanical installation, electrical connection, and initial operation setup.

Operator training covers maintenance procedures, die replacement, and wear monitoring methods.

Wear parts including screw segments, liners, and cutter blades are available for replacement supply.

Maintenance inspection schedules define wear limits and service intervals for key components.