H Series Aquafeed Twin Screw Extruder

The H series twin screw extruder is suitable to variable floating, sinking and slow sinking aquafeed production. This series can match the clients’ requirement of micro floating and sinking aquafeed with 0.6 mm and 0.8 mm die hole, low starch level combined high protein and fat level formula of largemouth bass feed and macro size pellet of grouper feed.

Key benefits

Low energy consumption

For sea water floating feed production, the capacity can be increased 15-20% and energy consumption per Mtons can be reduced to 23-25kW.h/Mton comparing the equipment of competitors in Chinese market.

Wild range

H series can handle variable formulas like high, middle and low level recipe of floating, sinking and slow sinking aquafeed and 0.6 mm floating feed and 0.8 mm sinking feed micro pellet production.

Homogenous of pellet

Pressure before die has been optimized and homogenous of pellet has been improved with advance technology of screw geometry, steady screw configuration, high accuracy screw and barrel sleeve and twin die discharging technique.

Highlight Features

Important technological innovation

With innovation of technology, H series twin screw extruder can fix the issue of production with low level formula which contains low level of starch and high level of protein and fat, like poor water stability and homogenous, poor apparent shape. The digestibility is improved with the pellet produced by H series twin extruder.

Better degree of gelatinization

High efficiency 3 layer pre-conditioner and particular liquid injection structure is implemented to guarantee mixture of moisture and raw material. Using EDEM to simulate the areas organization and optimize order of paddles, to increase fill ratio, extend residence time and improve performance of preconditioner.

Fully-automatic control system

Easily operation with fully-automatic control system can reduce labor cost.
All the data are recorded to reduce the dependency of operator.
Advanced control units can guarantee stable, accurate and sensitive production.

More stable and safety

More stable is pursed with American and European standard gearbox contains the fifth level high accuracy gears, international first-class brand bearing, oil sealing and high efficiency transmission. Replacement cycle is extended to 3000-5000 hours for screw with new style wear-proof material.

High capacity

All new H series twin screw extruder applies 20:1 as the ratio of screw length by diameter and steady-state screw configuration. Therefore high capacity of floating and sinking feed production can be pursued.

Optional Function: Bulk Density Control System

Either pressure chamber and vacuum system can be chosen to produce high bulk density required pellet (sinking aquafeed, etc) and increase the bulk density and capacity, improve the appearance of pellet significantly.

Main structure

1. Variable frequency motor

2. Torque limiter

3. Reduction gearbox

4. By pass

5. Extruding assembly

6. Discharing assembly

7. Cutting assembly

8. Pipeline of main machine

9. Hydraulic disassembly device

Technical parameters

Model	Screw Dia. (mm)	L/D	Main power (kW)	Floating feed Φ4.0 (t/h)	Floating feed Φ0.8 (t/h)	Sinking feed Φ4.0 (t/h)
H156	Φ156	20:1	315/355(VFD)	10-12	4-6	6-8
H176	Φ176	20:1	560/630(VFD)	15-20	6-8	10-14

Related applications

H Series Aquafeed twin-screw extruder is mainly applicable for processing floating and sinking feed in aquafeed industry and producing expanded pet food. Vacuum system and pressure chamber are options to control bulk density. Quality of extrudates is improved with stable performance of equipment and fully-automatic control system.

Aqua feed

Pet food

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H Series Aquafeed Twin Screw Extruder

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