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Decanter Centrifugal

Application : Sludge Dewatering
Model : LW355*1600

Decanter Centrifugal-0
Decanter Centrifugal-1
Decanter Centrifugal-2
Decanter Centrifugal-3
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Decanter centrifuge is an efficient centrifugal separation equipment and the first choice for sludge dewatering.

Industrial decanter centrifuge Introduction

Industrial decanter centrifuge, also known as horizontal screw decanter centrifuge, is a horizontal screw discharge, continuous operation sedimentation equipment, which can efficiently centrifuge materials. Generally, it can be divided into horizontal spiral filter centrifuge and horizontal spiral sedimentation centrifuge.

How does industrial decanter centrifuge work

The drum and the screw of the industrial decanter centrifuge rotate in the same direction and high speed at a certain differential speed. The material is continuously introduced into the inner cylinder of the feeding screw from the feeding pipe, and then enters the drum after being accelerated. A sediment layer is formed on the drum wall. The feeding screw continuously pushes the deposited solids to the conical end of the drum and discharges them out of the machine through the slag discharge port. The lighter liquid phase material forms an inner liquid ring, which continuously overflows the bowl from the overflow port at the large end of the bowl, and is discharged out of the machine through the drain port.

Industrial decanter centrifuge structure and performance

Industrial decanter centrifuge is mainly composed of drum, screw, differential system, liquid level baffle, drive system and control system.

Drum: Use high-speed rotation to achieve ideal sedimentation and separation effect

Screw: conveying and compacting material

Differential system: The differential in the decanter centrifuge for sludge dewatering is mainly used to adjust the speed difference between the drum and the screw

Distributor: The material is subjected to centrifugal force here

Control system: The programmable control system is used to realize the automatic control of centrifugation and separation process.

Advantage of decanter centrifuge for sludge dewatering

(1) With multiple protection devices, the operation is reliable.

Decanter centrifuge for sludge dewatering is generally equipped with differential overload protection or torque limiting coupling and other protection devices. According to needs, it can also be equipped with safety protection devices such as vibration protection, temperature monitoring and protection, and feed adjustment, and protect the whole machine through automatic alarm and forced shutdown.

(2) The single machine has a large processing capacity.

Decanter centrifuge for sludge dewatering is based on the new fluid theory, referring to the newer foreign structure design, with large processing capacity and good separation effect.

(3) It has a variety of driving and speed regulation modes.

According to different requirements, the corresponding drive, differential speed and speed regulation mode can be selected, which is convenient to adjust the drum speed and differential speed, so as to achieve better separation effect and adapt to various separation occasions.

(4) The key parts are anti-corrosion and wear-resistant.

The key parts such as the screw pushing surface, the feeding distribution part of the screw body, and the slag outlet of the drum are generally spray welded or surfacing welded carbide wear-resistant layers, and chip-type carbide wear-resistant blocks or wear-resistant sleeves or stickers are used. Wear-resistant ceramic sheet, anti-corrosion, wear-resistant, long service life.

(5) Good sealing and explosion-proof performance.

For special separation occasions such as flammable and explosive, there are specially designed and manufactured sealed and explosion-proof models for selection, which have good airtight and explosion-proof performance, and are safe and reliable. The service life of the mechanical seal is guaranteed to be 8,000 hours, and the life of the air seal is guaranteed to be more than 15,000 hours.

Application of industrial decanter centrifuge

Industrial decanter centrifuge is suitable for separating suspensions containing solids with a particle size greater than 0.005mm and a concentration range of 2-40%. Widely used in chemical, light industry, pharmaceutical, food, environmental protection and other industries.

(1) Mineral oil industry

Purification of fuel oil and lubricating oil for ship main engine, land diesel engine, power station, etc.;

(2) Food industry

Liquid-solid separation for clarification and purification of fresh milk, clarification of oil, improvement of oil quality, clarification of beverage products, extraction of vegetable protein, wastewater treatment, etc.

(3) Pharmaceutical industry

Purification or clarification in the extraction process of biochemical pharmaceuticals, clarification of traditional Chinese medicines; extraction of vitamins, etc., separation of liquid-liquid-solid three-phase mixtures.

(4) Other industries

Such as laboratory, petroleum, coking, kaolin, pulp recovery, electrolyte treatment, wastewater treatment, environmental protection, etc., as well as extraction of animal and vegetable proteins, extraction and refining of animal fat, and separation of mixed fatty acids.

Parameter

Model

LW355*1600

Main motor power (kW)

18.5

Auxiliary motor power (kW)

7.5

Drum speed (R/min)

≤4000

Separation factor (g)

3200

Differential speed (R/min)

2-25

Drum inner diameter (mm)

355

Drum length (mm)

1600

Dimensions (mm)

3500*840*118

Weight (kg)

1800

Model

LW355*1600

Main motor power (kW)

18.5

Auxiliary motor power (kW)

7.5

Drum speed (R/min)

≤4000

Separation factor (g)

3200

Differential speed (R/min)

2-25

Drum inner diameter (mm)

355

Drum length (mm)

1600

Dimensions (mm)

3500*840*118

Weight (kg)

1800

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