Decanter Centrifuge

Decanter centrifuge uses the centrifugal sedimentation to separate the suspension, uses the spiral to unloading material.It is continuously charging, separating, discharging at full speed.It is used in the suspension(in 0.0005~2mm, concentration 2-40%) solid-and-liquid separation, size classification, liquid clarification .

Overview of Decanter Centrifuge:

Decanter centrifuge uses the centrifugal sedimentation to separate the suspension, uses the spiral to unloading material.It is continuously charging, separating, discharging at full speed.It is used in the suspension(in 0.0005~2mm, concentration 2-40%) solid-and-liquid separation, size classification, liquid clarification .Especially ,it issuitable for the suspension separation  that with difficult in filter cloth recycling, and the material with large concentration and big size range.

Working principle :

There is spiral which is the feeding spiral which is has the same axis with the drum.The spiral and the drum rotate in different speed but in the same direction.The rotate difference is caused by the differential.The suspension enters the spiral through the feeding pump in the centre, when it starts to speed up the material goes into the drum.Under the effect of the centrifuge force, the relatively heavy solidoid sediments into slag blanket on the surface of the drum wall, then the spiral push the slag blanket to the drum cone section for further dehydration, latter it will be discharged from the small section slag hole.While the relatively light liquicdoid forms the inner liquid cycle, and it will be discharged from the large end overflow gate.

Features of decanter centrifuge :

1.Process flexibility
Constant separation results, even at fluctuations in the volumetric flow, the process conditions, or the product characteristics
2.Low space requirement
Compact design system, therefore no extra space required for peripheral equipment
3.Low operating costs
Operating consumables (e.g. filter cloths) are not required. No costly downtime for changing consumables.
4.Simple installation
integration of all necessary functions in one system (e.g. no need for peripheral equipment)

Appplication of decanter centrifuge:

Waste water dewatering, grading, liquid clarification plant sludge, titanium dioxide, soy protein, printing and dyeing sludge, kaolin, peanut protein, paper sludge, starch, fruit juice, natural gas desulfurization sludge, drilling mud, beverages, calcium carbide sludge, coal flotation, vegetable oil, fiber sludge, crystal stone flotation, citric acid, drilling mud, diatomaceous earth, oil purification, chlorine two clay, plaster, wash water purification, beating sludge, bauxite ore, orange juice, activated sludge, clay, broth, gypsum paddle, minerals, plant extracts and so on.

Technical data of decanter centrifuge :

Item Drum diameter(mm) Drum length(mm) Speed(r/min) Separation factor(w2r/g) Processing capacity(m3/h) Power(kw) Weight(kgs) Dimension(mm)
LW220X930 220 930 5000 2835 0.5-5 7.5 1200 2420*700*1010
LW300X1200 300 1200 4000 2550 1-5 7.5-11 1500 2680*830*1280
LW355X1600 355 1600 3800 2868 1-20 15-18.5 1850 3490*860*1200
LW400X1800 400 1800 3650 3000 2-25 15-22 2500 3890*1020*1200
LW450X2000 450 2000 3450 3000 3-35 22-37 3000 4297*1080*1385
LW500X2000 500 2000 3000 2500 5-45 30-37 3800 4330*1140*1470
LW530X2280 530 2280 2900 2500 15-65 45-55 5000 4924*1170*1540
LW580X2500 580 2500 2780 2500 20-80 55-75 6500 5205*1270*1540
LW650X2800 650 2800 2500 2270 20-110 75-90 7000 4300*1900*1350
LW760X3040 760 3040 2250 2150 30-150 90-132 8500 5000*2500*1500

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