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Cane Preparation Equipment Guide

The document discusses cane preparation equipment from Bosch Projects that is used in sugar production. It features increased milling capacity, robust construction, and low maintenance. The equipment includes levelling drums to prepare cane for processing, counter-rotating knives to cut cane stalks, vertically-fed shredders to break open cane cells and expose sucrose, and a whole stick shredder that prepares cane without pre-cutting. Cane preparation is important for efficient sucrose extraction in milling or diffusion.

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Omar Ahmed Elkhalil
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610 views2 pages

Cane Preparation Equipment Guide

The document discusses cane preparation equipment from Bosch Projects that is used in sugar production. It features increased milling capacity, robust construction, and low maintenance. The equipment includes levelling drums to prepare cane for processing, counter-rotating knives to cut cane stalks, vertically-fed shredders to break open cane cells and expose sucrose, and a whole stick shredder that prepares cane without pre-cutting. Cane preparation is important for efficient sucrose extraction in milling or diffusion.

Uploaded by

Omar Ahmed Elkhalil
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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CANE PREPARATION

EQUIPMENT

Features
Increased Extraction and Mill Capacity
Robust Construction
Low Hammer and Knife Maintenance
Efficient and Stable Energy Demand
Novel Washboard Design

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CANE PREPARATION
Cane Preparation
Sucrose in cane is contained as juice within thin-walled cells protected by the fibrous structure of the
stalk. For easy and efficient extraction of the sucrose, whether by milling or diffusion, it is necessary that
the cells are first ruptured to expose the sucrose within the cells.

Capabilities:
Project Management
Engineering

Milling

- Process

With good cane preparation, milling performance improves because:


The juice is made available for easy extraction.
The cane density is increased and it is more homogenous, assisting feed and throughput.
Lower mill feed/discharge ratios can be used, reducing mill power requirement. The power saved in the
mills approximately offsets the power used by a heavy-duty shredder.
Re-absorption is reduced through improved juice drainage.
Bagasse moisture is improved.

- Mechanical
- Electrical
- Instrumentation
- Civil/Structural
Construction
Management

Diffusion
The degree of preparation is the single most important factor in diffuser extraction. It affects both the
mechanisms in the diffusion process:
The lixiviation or washing out of sucrose can only occur from exposed, broken cells.
The diffusion of sucrose from high brix juice inside cells through unbroken cell walls will only occur where
the outer wall of the cell is in direct contact with lower brix liquid.

Equipment Supply

BOSCH PROJECTS CANE PREPARATION SOLUTIONS

Energy

Cane Levelling

Industrial

Counter-rotating levelling drums, in either one or two stages, ensure the most consistent rate of cane
supplied to the preparation equipment.

Agriculture

Knifing
Excellent knifing is achieved by Bosch Projects counter-rotating knives, at the nose of the cane carrier or
off the deck. The cane is usually fed into the knifing zone by a feeder drum and then knifed around an
overhead Bosch Projects sprag washboard.

Business Units:
Sugar

Commercial
Sugar Equipment

Vertically-fed Shredders
Bosch Projects vertically fed heavy-duty shredders with deep-pocketed washboards provide:
Surge-free operation
High reliability, with robust resistance to damage from rocks and tramp iron
Low maintenance costs
Full width hammer coverage, producing excellent preparation (PI > 90 %) while retaining long fibres.

Whole Stick Shredder


Bosch Projects Whole Stick Shredders incorporate all of the best-practice design features from the
Southern African industry including:
Two leveller drums to provide consistent cane supply and bulk density
A large feeder drum
Deep-pocketed washboard
Installation at the nose of the cane carrier to provide consistent power consumption and reduce
power surges
Excellent resistance to rocks
PI > 90 %
A proven design
The Bosch Projects Whole Stick Shredder is used without preceding cane knives.

1 Holwood Park, 5 Canegate Road, La Lucia Ridge Office Estate, 4320


PO Box 2009, Durban 4000, South Africa
Tel: +27 (0) 31 535 6000 Fax: +27 (0) 31 535 6010
email: mail@boschprojects.co.za
www.boschprojects.co.za

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