Used Alfa Laval DFNX 4565 Decanter Centrifuge

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Introduction

This is the Alfa Laval DFNX 4565 horizontal screw centrifuge, which is a solid-liquid separation equipment and is produced by Alfa Laval Separation A/S from Denmark.

Specification

Bowl Assembly
Diameter直径	450 mm / 17.7″
Length长度	2360mm92.9″
Contour Angle轮廓角	20Steep Cone
Material材质	316 Stainless Steel

PERFORMANCE
Max Speed	2900 RPM
lax G-Force	2115 X G
Rated Flow	120 GPI / 27.2 m2/h
Discharge	360Cake Ports

DRIVE SYSTEM
Main Motor	75 HP/ 56k
earbox Ratio	169:1
Gearbox Torque	6.0 kNm
Voltage	460V / 3Ph /60Hz

working principle

Its working principle is that through the high-speed rotation of the drum, centrifugal force (up to several thousand times that of gravity) is generated, which throws the solid-phase particles (with higher density) in the suspension onto the inner wall of the drum. Then, the spiral conveyor with a rotational speed difference from the drum pushes them to the conical section for drying and subsequently discharges; the liquid phase is discharged from the weir outlet in a continuous manner, achieving continuous solid-liquid separation.

Key Specifications

pplication Positioning: Compatible with feed-grade materials (such as protein and oil recovery), optional CIP cleaning system to meet hygiene requirements.
Parameter Adjustable: The rotational speed and differential speed of the drum can be adjusted via frequency control to adapt to different material conditions.
Material and Maintenance: The tungsten carbide wear-resistant parts can be replaced, and stainless steel is in contact with the materials, making maintenance convenient.

The application scenarios include industries such as food and beverage (e.g. protein / oil extraction), wastewater treatment, biofuels, and mining drilling, etc. It features efficient separation, low energy consumption, and wear resistance (key components are made of stainless steel / wear-resistant materials), and can adapt to fluctuations in different feed loads. At the same time, it supports automatic control to ensure operational stability.