STM S.R.L.

STM S.R.L.

- Model JCF - JCFF Series - Impact Mill

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The JCF series of machines can be combined to give maximum flexibility and modularity for diverse industries, and, to this end, as well as the simple mechanical construction of machinery, we provide an overall system which complements and completes the excellent mechanics with the very latest electronic systems, user friendly and simple to interface.

  • The JCF series grinding mill is a new combined system, consisting of a horizontal grinding unit and a selection drum, in a single compact machine.
  • The maximum particle size for entry of materials is 15 mm, and the degree of fineness of the end product ranges from 8 to 150 μ.
  • This system is universally suitable for most products with a maximum hardness of around 3.5 Mohs.
  • It can also be adapted for materials with a hardness of 7 Mohs if constructed with suitably hard-wearing materials.
  • The machine can be opened easily for checking, cleaning and maintenance, as it is fitted with a pneumatic mechanism which allows the grinding and classification chamber to be opened.

The product to be milled is introduced into the grinding chamber from above, via a screw feed with variable capacity, and then by star valves which insert the product directly into the centre of the impact chamber.

Here the particles smash against each other and against the grinding parts; for a more efficient grinding action, the material is subjected to collision, friction and cutting in the space between the grinding mechanism and the toothed lining of the chamber.

The milled material is conveyed via an extraction fan to the ultra-fine classifier, adjustable by rotation speed, passing through the selected sieve.

By passing through the selection sieve, the material which has not yet reached the desired fineness is sent back into the chamber for a further cycle of grinding, while the product which is sucked into the transport tube is exactly the correct fineness, without waste or loss of material.

  • Optimal energy efficiency
  • Low noise emission
  • Minimal maintenance
  • Compact machine, minimum space required
  • Excellent quality and reliability
  • Easy cleaning and maintenance
  • Reliability
  • Grinds a wide range of materials

JCF
The JCF is a Grinding and selection machine, coupled with a transport ventilator, for sodium bicarbonate used as a general reagent in thermal combustion plants.

This machine is ideal for depuration systems for gaseous pollutants, which use sodium bicarbonate or are switching from lime to sodium bicarbonate and revamping their milling equipment. This compact mill guarantees excellent productivity and minimum change to existing fittings.

JCFF
The JCFF is a complete system for grinding, selection, filtration and bagging the product. The plant is complete with dosage system (A), grinding mill (B) followed by removal of the micronized product (C) by transporting the flow of material from the mill to the filter with a suction fan (D).

This flexible, modular system allows the installation, downline from the grinding mill, of a bagging system and/or a propulsion device, making it perfect for conveying micronized materials via multiple tubes. It would thus be possible to install several different dosage systems integrated to a single milling plant.

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