MIKRO PULVERIZER® HAMMER & SCREEN MILL

MIKRO PULVERIZER® HAMMER & SCREEN MILL

The Mikro Pulverizer® Hammer & Screen Mill is a high speed mechanical impact mill designed for continuous size reduction of a wide range of materials down to D90 < 45 μm. This device has evolved into the preeminent industrial mill with thousands of worldwide installations. Want to know more? Click here to watch our educational webinar on hammer mills.

Design & Options:

  • Laboratory (1 HP) to production (200 HP) available
  • Process 250 gram batches up to 15 tons/hour
  • Economical milling to D90 < 45 µm
  • Easy to operate and maintain
  • Available in mild steel, stainless steel and with wear protection
  • Pressure shock resistant (PSR) models available
  • Various configurations available to produce a wide range of products and results
  • Very durable & reliable designs for years of production
  • Compact and easy to clean design
  • Suitable for Chemical, Pharmaceutical, Food, Mineral and Cosmetic applications
  • Cryogenic grinding possible

Watch Video Description Materials Resources Models Description

The Mikro Pulverizer® consists of a high-speed rotor assembly fitted with hammers. The grinding chamber is fitted with a cover containing a multiple deflector liner and a retaining screen at the point of mill discharge.

A screw mechanism is often used to introduce feed material into the grinding chamber. The grinding process is affected by three basic variables: the type of hammers, the rotor speed, and the size and shape of the screen opening.

There are two types of hammers: the “stirrup,” recommended where fine particle size is desired; and the “bar,” which generates a coarser grind with a minimum of fines. Both types are tipped at the wearing edge with various abrasion resistant alloys. Rotor speed affects the fineness of the grind as follows: low speeds result in a coarse grind and high speeds produce a fine grind. The size and shape of the retaining screen openings also affect the product. In general, a finer screen opening will result in a finer grind. The retaining screen does not function as a sifting screen, except in coarse granulations.

Controlled Particle Size

Optimum particle size reduction can greatly affect chemical reaction speeds, solubility, weight, color, volume, appearance, and strength of ground products. Mikro-Pulverizers® provide accuracy in particle size control because the grinding action is entirely mechanical. Once a mill is set to deliver a certain product, it will continue to produce exactly the same result without adjustment.

Grind, Blend and Disperse

Mikro Pulverizers® grind, blend and disperse in a single operation. Intensive action thoroughly mixes dissimilar ingredients into a finished product. Heat sensitive materials are handled by adjustment of mill speed, hammers, screen, and discharge air relief, as well as with pneumatic conveying. Conditioned air may be bled into a grinding chamber, or the feed may be pre-conditioned or chilled. The Mikro Pulverizers® comes in many model sizes from a small pilot scale to massive production models.

Materials Agrochemicals
Carbon Black
Cellulose and celluloid
Ceramic pigments
Chemical Salts
Color Mixtures
Detergents
Dyestuff
Explosives
Fertilizer
Magnesium Hydroxide
Phosphates
Pigments
Plastics
Powder Coatings
Silica
Synthetic Resin
Toner
Bakery Products Wax
Animal feed
Barley
Berry Seeds
Bran Milling & Mixing
Cellulose Powder
Chocolate Crumb
Cocoa
Coffee Beans
Corn
Corn Starch
Flavorings
Flour Milling
Food Seasonings
Gelatin
Herbs
Hulls
Lactose
Legumes, Pulses and Protein Mustard Seed
Oats
Oyster Shells
Pasta
Peas
Pectin
Pigments
Potato
Rice & Rice Bran
Salt
Sesame Seed
Soya
Spices
Sugar
Sugar substitutes
Thickening agents
Tri-Calcium Phosphate
Wheat
Cellulose Hormones
Lactose
Nutraceutical
Proteins
Vitamins
Aluminum silicate
Bentonite
Catalysts
Ground Calcium Carbonate / Limestone
Gypsum
Kaolin
Talc Compaction
Tungsten carbide
Zinc oxide
Calcium Carbonate
Carbon Black
Carmine/Cochineal
Corn Starch
Diatomaceous Earth Gelatin
Hydroxyethyl Cellulose
Hydroxypropyl Cellulose
Iron Oxide
Kaolin
Magnesium Aluminum Silicate
Magnesium Hydroxide
Phosphates
Pigments
Polysorbate
Salt
Silica
Sodium Hydroxide
Titanium Dioxide
Wax
Zinc Oxide
Zinc Stearate Resources Models

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