Colloid Mill Type O

Vertical, enclosed motor, in-line and batch operation, seven sizes, up to 34,000 l/h

  • de-agglomeration
  • dispersing
  • emulsifying
  • micro-comminution
  • homogenizing
  • dissolving
  • mixing
  • wet milling
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Applications

PUC colloid mills have a wide range of applications. They can always be used when it is necessary to grind substances precisely and with reproducible results while mixing them at the same time. The milling gear of a colloid mill exerts hydraulic and mechanical cutting, impact, squeezing, friction and shear forces. The phases are ground and mixed with considerable precision in an annular gap between the two major components, stator and rotor which can be infinitely adjusted by changing the axial position of the stator. Particles are ground extremely finely. Most raw materials, aggregates and agglomerates can be processed in one pass through the mill.

Type O

PUC type O colloid mills have a fully enclosed motor. They are always operated in a vertical position. Materials can be fed to the mill via various different types of hopper adapted to your process or via piping flanged directly to the mill.

Sizes

Type O colloid mills are available in seven standard sizes with capacities between 150 and 34,000 l/h depending on the machinery configuration and the viscosity of the product. The milling gear can be adapted to your specific process. For this purpose, the mills are fitted with standard stator-rotor combinations. Bespoke solutions are also available for special applications.

Seals

All units are available with various single and double-acting mechanical seals and with lip seals (PTFE) in accordance with FDA requirements. The seal is integrated in a seal mount which is identical for all types and sizes of colloid mills. This facilitates the installation of the seal and later replacement with a different seal system, if necessary.

Options

For most PUC mills, a variety of accessories and options are available, including:

  • optional milling gears
  • various material options
  • recirculation system for recirculation of material through the milling gear
  • heated/cooled housing
  • pharmaceutical version
  • ATEX (explosionproof) version
  • version designed for sterilization
  • feed and discharge pump
  • feeder screw with controlled gearbox
  • skid
  • mobile version
  • frequency converter
  • IE3 standard motors for various voltages and frequencies

Specifications

Application Type Rating (kW) Dimensions Flow-rate l/h max.* (Viscosity in cP)
Length Width Height Low-viscosity ~100 Slightly viscous ~1,000 Viscous ~5,000 Slightly pasty ~50,000 Pasty ~80,000
Laboratory PUC 60 2.2 980 330 1070 (1300) 400 300 250 200 150
Production PUC 100 5.5 / 7.5 400 425 814 2,300 1,500 1,300 700 500
Production PUC 120 7.5 400 425 814 4,000 3,000 1,800 1,300 1,000
Production PUC 130 11 475 500 949 6,000 3,500 2,000 1,800 1,300
Production PUC 150 18.5 475 500 953 12,000 6,500 3,500 2,800 2,300
Production PUC 160 22 475 500 953 16,000 8,000 4,300 4,000 2,800
Production PUC 180 37 510 535 1070 23,000 11,000 6,000 5,500 4,000
Major production plant PUC 220 45 1705 632 1024 34,000 16,500 10,000 9,000 6,500

*With medium milling gap and driver wheel (factor with impeller approx. 2). The values given above are purely indicative; the actual values depend on the milling gap and the material processed. Our technical department will design the optimum mill for your application.

Zeichnungen Baureihe O
Schematic sketch of type O (left: PUC 60 with recirculation system)

Applications

A selection of industries which use type O colloid mills and the products typically handled are listed in the table below. If you cannot find your application in the table, just contact us. Without any obligation, we will provide advice on the optimum machine for processing your product.

Pharmaceutical industry
Antimycotics Burn ointments Creams Emulsions
Eye ointments Fungicides Gels Ointments
Skin creams/ointments Suppository coatings Suspensions Tablet coatings
Wound ointments
Chemical and petrochemical industry
Adhesives Bentonite Binders Bitumen emulsions
Calcium carbonate suspensions Carbon pastes Catalysts Cellulose production
Ceramic compounds Coating materials Detergents Diatomaceous earth suspensions
Fungicides Graphite mixtures Grease Herbicides
Latex emulsions Metal oxide suspensions Pesticides Plastic compounds
Plasticizers Polishing agents Polymer emulsions Polymer electrolytes
Resin oils Rubber compounds Silica Silicone rubber
Stabilizers TiO2 Thickeners Waxes
Foodstuffs industry
Almond milk Baby food Carrot juice Cheese spread
Chick peas Chili paste Dairy products Dressings
Fat Fish Fruit purée Fruit syrup
Herbs Hummus Ice cream Jams
Juice concentrates Juices of all types Ketchup Mayonnaise
Meat Mustard Pastes Peanut butter
Rinds Sauces Sausage meat Sausage processing
Sesame seeds Smoothies Soya Soya milk
Tahina Tofu Waffle crumbs Waffle dough
Yoghurt
Cosmetics industry
Creams Foam baths Hair care products Lotions
Make-up Mascara Shampoos Shaving creams
Shower gels Soap Sun blockers Toothpastes

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