Decanter Centrifuges for The Separation of Solids and Liquids

Decanter centrifuges for the separation of solids and liquids
Main applications:
Industrial and municipal wastewater treatment
Oil &gas drilling mud/fluid control
Washing, classification and dewatering of amylum and starch
Mycelium separation from zymotic fluid of antibiotic
Dewatering of soybean and wheat protein
Dewatering of fish power and fish meet
Dewatering of grains
Clarification and extraction of fruit juice
Clarification and purification for animal and vegetable oil
Production and extraction of olive oil, palm oil, avocado oil
Separation and purification for coal tar
Grading of kaolin and graphite
Classification and dewatering for dyestuff and pigment
Float wash of extractive coal and dewatering of coal mud
Classification and dewatering for minerals

The horizontal decanter centrifuge is mainly used to separate solids and liquids in different sewage, such as, residential wastewater, industrial wastewater, chemical wastewater, and wastewater in food, pharmacy, mining, petrochemical and many other industries.

Working principle
differential mechanismscrewdrumcover shellfeed inletsolid outletliquid outlet

Sewage from the feed inlet enters the drum through the spiral discharge window. Under the action of centrifugal force produced by high-speed rotation, the particles with high specific gravity and water content are deposited on the inner wall of the drum, and then by the spiral blade moving relative to the drum at a certain differential speed, the solid particles are continuously pushed to the slag discharge port. The treated sewage finally flows through the liquid outlet to rotate the drum. The relative motion between the helix and the drum is realized by a differential, and the difference is controlled by the auxiliary motor, thus separating the solid and the liquid successfully.

ParametermodelMain technique parametersPower of motor(Kw)Size (mm)Total weight(Kg)Differential typeDiameter (mm)Length (mm)Speed of rotation(r/min)Separation factor (g)Capacity (m³/h)Power of main motor (Kw)Power of auxiliary motor (Kw)WT250x10002501000Max4700Max30900.5~31132805x835x10551050Planetary GearWT360x13803601380Max4200Max35503~10227.53622x960x12822500Planetary GearW360x13803601380Max4200Max35503~10227.52914x1728x9932250Planetary GearWT450x16004501600Max3600Max32605~3037/(45)(15)/114088x1216x15193500Planetary GearW450x16004501600Max3600Max32605~3037/(45)(15)/113244x1878x10703300Planetary GearWT500x20005002000Max3500Max342510~3545/(55)(15)/114164x1351x15894050Planetary GearWT550x19005501900Max3300Max335115~4055/(75)15/(18.5)4464x1351x15895150Planetary GearW550x19005501900Max3300Max335115~4055/(75)15/(18.5)3477x1956x12045030Planetary GearWT650x26506502650Max2400Max210020~60110(22)/18.55656x1350x17438600Planetary GearWT720x28007202800Max2200Max200030~70132(30)/226439x1543x199810100Planetary GearWT800x28008002800Max2200Max220040~90132(30)/226439x1623x203811800Planetary Gear
Details

differential mechanism

DrumThe drum adopts inverted cup drum and lower feeding mode, whose advantage is to shorten the length of the spindle and the solid residue can be discharged more quickly.

Japanese NSK bearing

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