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Laboratory Mills

Ultra-Fine Grinding


Pet Food Industry

Size Reduction of Frozen Vegetables and Meats


Product Reference

Processing of Foods for the Pet Food Industry

During the production of dog- and cat food, frozen raw materials like hearts, lungs, livers and paunches are parts of the recipe. These products are delivered in frozen blocks and must be cut into bite-sized pieces. Depending on what kind of dog or cat food must be produced, the size of the pieces has to vary accordingly.

Preparation Frozen Raw Materials

Increasing product qualities and continuous price pressure force better and more economical preparation processes for many products.

Highest process safety is necessary as the systems run fully automatic, around the clock. The machine must be able to be cleaned easily and efficiently during scheduled down times. Under certain circumstances, a CIP-design is required, i.e. automatic cleaning during run out of the system.

PALLMANN has developed special size reduction machines, in cooperation with leading manufacturers of the pet food industry.

Granulation/Cutting of Frozen Fruits, Vegetables or Meats

The Ultra-GranulatorTM is a size reduction machine that cuts blocks of frozen products into even pieces, without putting hardly any additional heat into the product.

Processing of Frozen Fruits, Vegetables or Meats into cubes, strips or slices

The RotorcutterTM can produce chips, strips or cubes from frozen products due to its patented cutting technique. The unique cartridge type design of the cutting elements allows production adjustment for different recipes. Industrial productions with capacities significantly over 10 tons per hour rely on The RotorcutterTM.

Preparation Systems for Fatty and Oily Products

Taste, smell, color and fineness of foodstuff- and luxury food products, especially from cocoa beans, depend, besides the quality of the raw material, mainly on the professional preparation, the coordination of the machines and systems as well as on the experience of the production personnel. The size reduction- and sifting machines used in these preparation steps hereby influence the product quality in a decisive manner.

For pulverization of cocoa nibs, depending on the fat content, the required fineness and the type of the desired end product, different fine grinding systems are used. A slightly de-oiled, dark cocoa powder for drink production with a remaining fat content of at least 20% is produced by means of counter-rotating pin mills with a wide grinding chamber housing or with Contra-Selector Mills.

For a heavily de-oiled cocoa powder with less than 20%, however with a minimum of 10% remaining fat content, which is used i.e. for cooking purposes such as cakes, puddings etc., Turbo Mills, type REF are used. The systems used are as varied as different tastes, i.e. Contra-Selector Mills, Universal Mills with turbo rotors, Hammer Mills and Sifter Mills. 

Cool air and the right temperature in a downstream cooling area are essential factors for the dark color and color fastness of the cocoa powder as well as a prerequisite for downstream air classifying. The preparation of fatty, oily and sticky products is best left to the experts. Increasing demands in product quality and in the economical use of the system require constant improvement and development of process technology.

Fine Grinding of Fatty and Oily Products

In the feedstuff industry, parts of animals, which are not suitable for human consumption, are further processed into animal flour. Animal flour is enriched with valuable proteins and is used as additives for animal feedings or as fertilizer.

The high fat content leads to screen blockages in common mills. PALLMANN solves this problem with the Original Contra-Selector Mill™.

A significant characteristic of the Contra-Selector Mill™ is the screen basket counter-rotating to the impeller. Due to the high revolution of the screen basket, the screen remains clear. Due to the additional scrapers at the exterior of the rotating screen basket, material sticking to the interior of the housing is minimized.

The advantage resulting thereof is a continuous method of operation and thereby minimized operating costs.

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© 2009 PALLMANN Industries, Inc.
PALLMANN Industries, Inc.
36 Atlantic Way, Clifton, New Jersey 07012 - USA
Phone: (973) 471-1450 - Fax: (973) 471-7152