Premium Basket Centrifuge

Professionals In Size Reduction Technology

basket centrifuge
premium basket centrifuge

Top Discharge Premium Basket Centrifuge

GENERAL DESCRIPTION
Centrifuge is equipment for separating solids & liquids. This is a faster method of filtration and eminently suitable for elimination of liquid or moisture from slurry & wet agglomorates.

In simple filtration operation, the liquid seeps down through the filter cloth because of gravity. The filter cloth permits the liquids to pass through but prevents powders from passing. After some time the fine particles settle on the filter cloth & effectively “BLIND”, the filter cloth & thereby stopping the progress of filtration.

The above hindrance is eliminated in the case of centrifuging, because of centrifugal action the gravity force on the liquid is very high, more than “400 TIMES” the normal ‘G’ VALUE. This causes very high pressure on the filter cloth and hence the fine particle powder is settled. The liquid is ejected through the space between the particles and reaches the filter cloth from where itis evacuated.

OUTER CASING

the outer casing has a cylindrical shell, bottom conical plate & top cover and it houses a rotating basket. the outlet pipe is fixed in a tangential position in the direction of rotation for easy elimination of discharge liquid from the rotating basket & flowing on the surface of the shell & the conical plate.

BASKET
The basket has a thick rigid plate at the bottom, fixed to a perforated cylinder. The bottom plate does not have any perforation. The perforated cylinder acts as a support to the filter cloth, which is subjected to centrifugal force and holds the wet powder. The basket is dynamically balanced for the elimination of vibration during rotation.

The bearing housing holding the shell is fixed rigidly to the outer casing (under the conical bottom plate). The basket is fixed by a taper lock on the bore and also by a dome nut having a reverse thread. This combination ensures rigid locking of the basket to the main shaft during rotation of the basket.

During starting of rotation, a certain level of vibration is noticed. This vibration of the rotating body is transmitted to the outer shell because of rigid fixing of the bearing housing. Hence, the outer casing is suspended on a spring to isolate the vibration to the foundation. The outer casing is suspended on three springs. Three legs are holding the three springs by suspension bolts, which have spherical heads. This helps in swinging the bolts & avoids vibration affecting the leg, base frame, and foundation.

The main shaft and bearings are critical parts of the equipment and are manufactured with extensive care for ease of assembly, maintenance, and proper running. One of the bearing is a “nu” bearing. The special feature is that suitable holes are drilled, providing passage for greasing the bearing without dismantling the bearing housing. The annular space between the shaft and the bearing housing is filled with grease and acts as reservoir for grease ensuring proper lubrication of the bearings all times.

DRIVE
Main drive of the centrifuge is through electric motor, clutch pulley & V-Belt. Maximum power is required for starting of the rotation of the basket. During running very little power is required. A small amount of power is required only to overcome the turbulence caused by rotation inside the outer casing.

The power is transmitted to the V-belt by clutch pulley which ensures the required high starting torque which does not directly over load the motor. One part of the clutch pulley picks up the speed of motor rpm and other part of clutch pulley slowly picks up the speed.

When the full speed is achieved then there is no acceleration of the basket and hence no additional power is required, on the other side for stopping, a brake is provided to stop the rotation of the basket. This is operated by
hand lever

centrifuge
spice processing plant manufacturer

Applications -

  • Bobbin Drying
  • Bulk Drugs
  • Chemicals
  • Dairies
  • Dye Stuff
  • Fat Extraction
  • Fertilisers
  • Food
  • Intermediates
  • Laundries
  • Metal Chips
  • Salt
  • Textile
  • Vegetables/mushroom

Technical Specification - "Top Discharge Centrifuge"

MODELDIA (mm)BASKETUNDER LIP in Lit.H.P OF MOTORABFLOOR mm x SPACE mmG’ VALUEWEIGHT KG.
DEPTH mmSPEED RPM
PBCTD 123002501400120.5690850750 x 750345175
PBCTD 205003001200302.07501060800 x 800400325
PBCTD 246003001100553.08251190900 x 900405475
PBCTD 307503501000955.086014601100 x 1100415750
PBCTD 3690037590016010.097516351250 x 12504051000
PBCTD 40100045090020012.5105018651400 x 14004301100
PBCTD 48120050080031015115021851600 x 16004201250
PBCTD 60150050060040025122524001900 x 19004001600

Specifications And Design Are Subject To Change Without Notice For Any Additional Improvement.

Quick Bag/basket Lifting Arrangement (Top Discharge)

BAG LIFTING
This facility was introduced for reducing the cycle time for (each batch of) centrifuging. The bag is located inside the basket & fixed to top cover of the basket. After centrifuging, top cover is lifted by suitable arrangement. The filter bag and the “DRIED” solid one also lifted along with the top cover. The “DRY” solid is discharged from the same bag & basket is immediately assembled into the machine for next batch. Otherwise laborious effort is to be put in for extraction of powder from centrifuge.

BASKET LIFTING
The BASKET LIFTING arrangement facilitates easy changeover of basket after every batch. This provides more batch in specified time slot, resulting more production with an addition of small investment for extra basket. Typical application is fat extractions. Centrifuge is supplied with steam jacket.

basket lifting

Bottom Discharge Premium Basket Centrifuge

This equipment has two rotational speeds. The product slurry is fed at a lower speed. This method is followed to reduce imbalance in the basket. After feeding the speed of the basket is increased for speedy removal of liquid. After complete drying, the speed is again reduced and the powder is scrapped by a scrapper. The scrapper can be either Hydraulic or Mechanical.

The scrapped material falls through the opening provided at the bottom of the basket and is conveyed by a suitable conveyor. A perforated sheet is installed inside the filter cloth to protect the same from the mechanical action of the scrapper. Filter cloth is kept between perforated basket & perforated sheet.

basket ventrifuge

Technical Specification - "Bottom Discharge Centrifuge"

MODELDIA (mm)BASKETVOL. UNDER
LIP in Lit
H.P OF
MAIN – MOTOR
B mmH mmFLOOR mm x SPACE mmG’ VALUEWEIGHT KG.
DEPTH mmSPEED RPM
PBCBD 3075035010001305.0150021001250 x 1250415825
PBCBD 3690037590022010.0170022001400 x 14004051100
PBCBD . 40100045090027512.5180023001600 x 16004301150
PBCBD – 48125050080030015.0200024001900 x 19004201300

Specifications And Design Are Subject To Change Without Notice For Any Additional Improvement.

Special Applications

Fat Extraction

  • Steam Jacket Is Provided For Maintaining The Required Temperature Inside The Basket
  • Basket Lifting For Easy Removal Of Mass.
  • Extra Basket Is Provided For Speedy & Easy Changeover
fat extraction

Bobbin Drying

  • The Excess Dye From The Bobbins Is Recovered By Centrifuging.
  • In Dyeing Of Textile Spun Material In The Form Of Bobbins Is Dipped Into Dye Vats.
  • Excess Water Is Removed From Bobin For Easy & Fast Drying.
Bobbin Drying

Metal Chips Oil Extraction

  • Cutting Oil Is Used During Machining. Substantial Amount Of Oil Is Lost Along With Chips. By Centrifuging The Oil Is Recovered.
  • The Chips Fetch Better Price When Sold As Scrap.
Metal Chips Oil Extraction

Vegetables / Mushrooms

  • Some Vegetable & Mushrooms Pick Up Moisture While Washing.
  • The Excess Water Can Be Eliminated By Centrifuging.
Vegetable centrifuge

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