Lime milk
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In the sugar manufacturing process, raw juice is extracted from sugar beet or cane. After
extraction, the raw juice still contains various organic and non-organic substances which
would interefere with the following production steps. These non-sugar substances must then
be removed.
Lime and carbon dioxide are obtained by burning limestone in lime kilns. The lime is then
added to the raw juice in the form of lime milk so that suspended matter flocculates and the
unwanted non-sugar substances coagulate.
Technical data
Rotary Lobe Pump
Medium | Lime milk |
Rated capacity | 30 m³/h (132 usgpm/h) |
Pressure | 3 bar (44 psi) |
Reliable performance for the Sugar
Industry
Sugar beet syrup
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Bioethanol refers to ethanol made exclusively from biomass or biodegradable portions of
waste, for use as biofuel. Bioethanol can be made from any raw material that contains sugar
or starch. It is often obtained from sugar beet syrup. The sugar beet syrup is made in a
sugar factory.
A major ethanol manufacturer required a pump for unloading the tankers which delivered sugar
beet syrup. The pump had to be able to convey the highly viscous syrup, be self-priming and
pressure resistant up to 8 bar.
Technical data
Rotary Lobe Pump
Medium | Raw juice |
Viscosity | 500 - 1,500 mPas |
Rated capacity | 50 m³/h (220 usgpm)) |
Pressure | 8 bar (116 psi) |
Sweet success for the sugar industry
Binders
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amet viverra et, lacinia eu lectus! Nullam convallis justo a vestibulum.
A sugar producer was looking for a pump for conveying binder. The Rotary Lobe Pump is operated at speeds of up to 100 rpm due to the high viscosity of the binder. Due to the abrasive ingredients of the medium, the pump was equipped with replaceable casing liners and Premium stainless steel rotors. Maintenance of the pumps can be performed by in-house personnel on site at the sugar producer's by simply undoing a few screws.
Technical data
Rotary Lobe Pump
Medium | Binders |
Viscosity | 70,000 mPas |
Rated capacity | 40 m³/h (176 usgpm) |
Pressure | 8 bar (116 psi) |
Our recipe for sugar production
Sugar solution
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A sugar producer needed a pump for conveying sugar solution. After the thin juice extracted
from the sugar beet has been cleaned and run through the vaporization station it is called
syrup.
Remaining water is extracted from the syrup in the boiling station at reduced pressure. Once
a certain sugar concentration has been achieved, fine sugar crystals are added to the
viscous juice using seed crystals. The seed crystals grow to the required size with further
water extraction. The crystallization process is then complete and the crystals are left to
cool down. They are then separated from the viscous syrup by spinning in centrifuges. The
crystals are caught in a filter while the syrup flows through. To produce refined sugar
(especially pure high-quality sugar), the crystallized sugar is dissolved. This is then
called sugar solution. Refined table sugar is made by crystallizing this solution once
again. It was important for the sugar producer that the pump be sufficiently robust for this
process and that maintenance could be performed on site by in-house personnel without time
consuming dismantling.
Technical data
Rotary Lobe Pump
Medium | Sugar solution |
Temperature | 90 - 92 °C (194 - 198 °F) |
Rated capacity | 20 - 40 m³/h (88 - 176 usgpm) |
Pressure | 2 - 5 bar (29 - 73 psi) |