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In the production of food quite often block material coming from cold storage (maybe even in frozen form) needs to be processed. In order to work with it properly or to extrude and mix it with other components the material must be placed in a malleable, creamy or pumpable state. Not always heat is desired, for example when frozen butter is handled and must remain in cold condition.

The idea is not limited to butter: The range of commodities, which is offered in the food industry in block form for further processing, is manifold and is becoming increasingly diverse. It includes fondant (sugarpaste), almond paste, flavorings, fruit juice concentrates, meat, fish or cheese. Then there is the area of the “Rework”, ie the processing of residues from production.

If such material has so be converted into a lower viscosity and then further processed, special pumps or screw feeders are suitable for this task. KNOLL now has (in addition to its progressing cavity pumps, the MX series) developed a double spindle pump, which has been specially designed for the processing of block material in the food industry.

It consists of two non-contact synchronized spindles, which are responsible for the forced transportation. The capacity is adjustable and can be set freely, if necessary. Very much like the progressing cavity pump from KNOLL the double spindle pump is very compact (not much space needed in the length). Temperature regulation is also possible.

Special emphasis in the design process was placed on robustness: Large forces have been specifically taken into account. The result is an exceptionally robust promoter that can facilitate the processing of block material and  therefor help significantly to speed up production.

Of  course the DSP was designed with hygiene aspects implemented consistently. It has a “low clearance volume” design and can be disassembled and reassembled easily and quickly. In addition it can be pulled apart on a rail, as the image shows:

So when exactly will this double spindle pump from KNOLL arrive on the market? Expect its availability during the year 2011. Of course requests are always welcome and can be made earlier. Don’t hesitate to ask us.

Annotation (March, 2011):

In an early stage of product development this double spindle pump (DSP) was called double screw feeder. Meanwhile this (earlier) name has been dropped.