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Alfa Laval Crushers
  • Alfa Laval Crushers
  • Alfa Laval Crushers
  • Alfa Laval Crushers
  • Alfa Laval Crushers
  • Alfa Laval Crushers
  • Alfa Laval Crushers
  • Alfa Laval Crushers
  • Alfa Laval Crushers
  • New

Alfa Laval Crushers

Contract price

Olive paste preparation for olive oil extraction plants

UPC:
EAN13:
Sold By:
Alfa Laval Corporate AB
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Description

Introduction

The crusher breaks the olives into small pieces to allow for easy release of the oil in the malaxer and eventual recovery in a horizontal decanter.

Alfa Laval supplies the following equipment for paste preparation:

• Hammer crusher (30 hp, 50 hp, 60 hp, 75 hp)

• Disc crusher (30 hp)

• Depitter for paste (25 hp)

Application

Paste preparation is one of the critical steps in determining both the quantity and quality of oil obtained from an olive oil extraction line. The way the crushing is done affects the quantity of oil released, the taste of the oil and the oxidative stability of the oil.

Hammer crusher benefits

• Robustness and reliability

• High throughput

• Easy adjustment by changing grid size

• Low spare part costs

Disc crusher benefits

• Minimal risk of paste overheating

• Production of green, spicy olive oil

• Easy adjustment of disc spacing

• Continuous throughput

Depitter benefits

• Production of harmonic oil with high resistance to oxidation

• Minimal risk of paste overheating

• Opportunity to use unbroken stones for other purposes

• Good throughput

Working principle

Hammer crusher: Olives are fed to the crusher through a short screw-conveyor assembly that leads the olives into the zone where rotating hammers equipped with wear-resistant metal plates crush the olives against a stationary grid. The diameter of the holes in the interchangeable grid determines the thickness of the paste.

After passing through the grid, the paste drops into a hopper or directly into a pump, from where it is transported to the malaxing section.

Disc crusher: Olives are fed to the crusher through a short screw-conveyor assembly that leaves the olives between two toothed discs, one stationary, one rotating. The discs tear the olives apart and the resulting paste drops into a hopper or directly to a pump from where it is transferred to the malaxing section.

Depitter: Olives are fed to the depitter through a short screwconveyor assembly that leads the olives into a special chamber fitted with bores. A rotating mixer moves the olives towards the periphery where the pulp is separated from the pit, which is ejected – unbroken and clean – at the end opposite to the feed.

The pulp passes through the basket holes in the chamber and drops into a hopper beneath, from where it is sent to the malaxing stage.

 

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