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Forced action mixers – M series


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Field of Application

Compulsory mixers (cyclone mixers) are used to mix dry, moist and wet mixtures. The main advantage is the perfect mixing of the individual components of the mixture over a short period of time (the speed of mixing is 4-5 higher compared to the normal drum mixer) which guarantees a high quality of the final mixture.

Compulsory mixers are suitable for the mixing of refractory concrete mixes that are designed for firebrick linings, for instance, in foundry furnaces, blast furnaces, heating plant boilers, coke-oven batteries and chimneys in the metallurgical and chemical industries. Compulsory mixers are also used to mix a wide range of construction materials in the construction industry, namely plastering, grout, and repair mixtures. Compulsory mixers are also suitable for the industrial mixing of mixtures during which material is processed by individual batches.

Working Principle

Compulsory Mixer - standard construction with wheels

Compulsory mixers work on the principle of mixing arms which rotate at a very high speed around the inner axis of the static mixing tank. Mixing is done by several arms which ensure that that the mixture is wiped off the sides and the bottom of the mixing tank. The mixing arms can be adjusted sideways and in height and they can be equipped with rubber spatulas.

Depending on the type of mixed compound, mixers can be fitted with several kinds of stirrers

The mixer models designed for the mixing of abrasive materials have their mixing drum provided – up to their utility mixing height – with a replaceable lining made of standard or abrasion-proof material. Alternatively, the mixing drum itself can be made of abrasion-proof material.

They are offered two basic mixer types, each characterized with a different construction:

  • standard construction with wheels
  • heavy-duty construction (H series)

Mixture is filled via a screen in the cover of the mixer. The screen is equipped with a separating comb for bagged mixtures. The construction of the cover prevents any spillage of material over the sides of the tank. If need be, the mixer can be provided with covering sheet metal preventing the leak of thinner or dusty mixtures. The prepared material is released by turning the movable segment on the bottom of the tank.

Compulsory Mixer - heavy-duty construction (H series)

The mixing tank is firmly connected to the stand that can be equipped – in case of models M 50 – M 250 – with wheels. The M 50 – M 180 mixer models are fitted with height adjustable posts allowing for the variable height of discharging.

The drive of the mixing arms is ensured by a low-maintenance, worm or front-cone electric gear unit. The smallest types of mixers (M 50/230V, M 50/400V and M 80/230V) are fitted with a maintenance-free electric gear unit. Models with a motor output of 5.5 kW and higher are equipped with a soft starter that facilitates a continuous blade startup.

To ensure maximum safety of the service personnel, enhanced safety features have been employed such as the no-voltage trigger and a terminal switch switching off the engine when the cover of the mixer is opened.

Technical Data

Standard construction with wheels

Parameter M 50 M 80 M 125 M 180 M 250
Volume of the tank [l] 74 111 162 233 330
Max. usable volume [l] 37 69 102 148 208
El. motor output [kW] 1,5 1,5/2,2 2,2/3/4 2,2/3/4 4/5.5
Voltage [V] 230/400 230/400 400 400 400
Revolution of the mixer [rev/min] 47 47 47 47 47
Max. granulation of the material [mm] 10 10 16 16 20
Weight [kg] 96 131/137 147/177/187 172/202/212 270/390

Heavy-duty construction (H series)

Parametr M 250 H M 400 H M 550 H
Volume of the tank [l] 487 646 1005
Max. usable volume [l] 246 400 552
El. motor output [kW] 7,5 7,5/9,2 11/13
Voltage [V] 400 400 400
Revolution of the mixer [rev/min] 30 30 22
Max. granulation of the material [mm] 32 32 32
Weight [kg] 605 700 1160

Advantages

  • perfect mixing of individual components over a very short period of time
  • variability of stirrers enables mixing of various types of mixture
  • a soft starter facilitates a continuous blade startup (with models with an output exceeding 5.5 kW)
  • special construction of the cover prevents mixture spillage
  • mixing arms can be equipped with rubber spatulas preventing damage and fast wear and tear
  • use of enhanced safety features (no-voltage trigger, terminal switch)
  • minimal maintenance operation
  • rugged construction enabling work in demanding conditions
  • low operational and maintenance costs

Phogallery – Types of Blades

Phogallery – Compulsory mixers

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