High-performance homogenisation

When sseking a solution for the production of a liquid/liquid emulsion or a s&&liquid suspension where the u&a-fine distribution of a disperse phase in a mntinucm phase is required,. high-pressure homagenisatim is widely regarded as the most appmpriate tachnalogy.

It is an area of technology in which Bran + Luebbe is attracting considerable attention through the development of its Meganiser, this being a combination of its Novaplex diaphragm pump and a range of homogeniser heads. Without question, the key element in the successof the Meganiser is its use of diaphragm pumpheads as opposed to plunger-type pumpheads, as these ensure leakproof operation with high corrosion resistance. It’s a combination that has appealed to chemical manufacturers in Europe, for Bran + Luebbe reports that it has recently sold three units to companies in Italy and Spain. The most recent order was from a leading Italian chemicals manufacturer for use in its spray drier plant. The Meganiser supplied to VINAVIL Spa incorporates three double diaphragm pumpheads and has a stroke length of 32mm x 60mm and a stroking sped of 137 stroke/min. In addition, Bran + Luebbe has provided the unit with an automatic Start/Stop facility.

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!/1/w Two components make up a high-pressure homogeniser, these being the homogeniser head and the high-pressure pump which provides the necessary pressure energy. Bran + Luebbe offers several types of homogeniser head in order to satisfy the widest possible range of applications. Examples include the classical flat or conical configuration for producing oil in water emulsions and the highly wear-resistant patented PCD models, which have surfaces of polycrystalline diamond.

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The Novaplex pump hydraulically-supported diaphragm pump supplies the necessary pressure to the tiquid or emulsion, forcing it 1 into the homogenisation valve and through a narrow annular gap, where the stored ocoF@ght zoo1);varren Rupp. Inc.AllrighKi re9eived. energy is released giving an extremely high RES No.415- USE THE FAST NEW ENQUIRYSERVICE@ www.worldpumps.com

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WORLD PUMPS

February2001 F

level

of

acceleration.

The

pressure-limited

ensure

quiet

operation

and

minimum

energy

hydraulic system eliminates any damage potential resulting from faulty operation or accidental

consumption.

overload. The Novaplex pump provides flow rates ranging between 30 I/hr and 30 malhr and

The modular design and build concept of the Meganiser means that multiplex installations can be

operates

constructed with any number of cylinders. As a result,

at

temperatures

pressures

up

to

700

bar

and

between -20 “C and +I 50 “C.

end-users can adapt the unit to satisfy individual delivery requirements and to meet later changes in

One

notable

feature

Novaplex

is the

absence of integrated speed reduction, this aspect

capacity. In the case of the recent order from Italy, the complete unit was supplied with a purpose-built

being

extended base plate and with operating parameters

accommodated

maintenance

February 2001

by

standard

low-

external reduction gears, which also

Welcome

20 j WORLD PUMPS

of the

to

of 1000 !fhr and 400 bar.

eur

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