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DISTRIBUTION OF THE ENERGY DEMANDS AT A RAW SUGAR MILL. CANE PREPARATION. Knaives. 1.9 Kw h / t of cane . Desfibrator . 2.5-3.0 Kw h / t of cane . Milling Tanden each three rolls mill . 2.1-2.2 Kw h / t of cane . PROCESSING. 65-75 Kw h / t of cane . Juice heaters.

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slide2

CANE PREPARATION

Knaives

1.9 Kw h / t of cane

Desfibrator

2.5-3.0 Kw h / t of cane

Milling Tanden each three rolls mill

2.1-2.2 Kw h / t of cane

slide3

PROCESSING

65-75 Kw h / t of cane

Juice heaters

(Depending on the ammout of juice in Cane)

70-105 Kw h / t of cane

Evaporator

(Eliminates 75% of water from 16o Bx to 65o Bx)

0.67-0.79 Kg of water / Kg of cane

Evaporator

slide4

VACUUM PAN

73-105 Kcal / Kg of cane

(Base on three massecuites of 92o Bx)

5.5-6.5 Kw h / t of cane

CENTRIFUGE

WATER PUMPING TO CONDENSERS AND VACUUM

2.5-3.0 Kw h / t of cane

slide5

17-27 Kw h / t of cane

TOTAL DEMAND FOR RAW SUGAR

180-300 Kcal / t of cane

An having in mind that:

1 t of cane gives 250 / 300 Kg bagasse

( 1825 Kcal / Kg)

slide6

GENERAL INDEXES

25-30%

Bagasse % of cane

INBIBITION WATER

10-30% BY WEIGHT OF CANE

BUT BETTER

200 % OF THE FIBRE WEIGHT

STEAM GENERATION

2.24 Kg / Kg of bagasse