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NEWS 2019


CALCIUM CARBONATE GROWS IN MOROCCO WITH M&S TECHNOLOGY.


Urussanga Mineiros

Manfredini and Schianchi, in addition to coal grinding, is developing important experience in sectors where the market requires a technology that can produce materials with fine grain sizes with a range of 50-40 microns such as calcium carbonate.

In recent years Morocco has had strong growth and development in this particular sector having an excellent quality of raw material. Manfredini e Schianchi recently supplied two plants for the complete treatment of calcium carbonate.

The first system was installed at Micromix Sarl- Gruppo Orobrique, a new production company located in the city of Berrechid. The unit is mainly composed of a MOLOMAX 6/190-AIR PIG hammer pre-grinder mill, these mills are equipped with centrifugal fin separators to optimize the percentage of fine material after grinding, driven by a process of great potential, and unload the material directly ready to be bagged and transported to its destination.

Near Casablanca, M&S has installed another very similar unit, we are talking about the factory of a long-standing M&S customer, SARL BROYCHIM. In this case there are two production lines in operation: the first, composed of a MOLOMAX MS4/150, treats calcium carbonate for a production capacity of 15 tons/h and the other, recently installed, was designed to grind, treat , bagging and loading onto trucks, barite with a high percentage of silica for a production potential of 16 tons/h.

The plant line is mainly composed of a SLAMMER Hammer Mill (designed to treat raw materials with a very high percentage of wear) and MOLOMAX MS6/190-AIR. Thanks to the automatic control of the internal depression, the MOLOMAX separates the silica particles inside the raw materials which are discarded and automatically collected at the base of the mill itself.

Urussanga mineiros


UM-URUSSANGA MINEIROS EXPANDS ITS PRODUCTION AND RELYS ON M&S


Urussanga Mineiros

The important Brazilian company UM-Urussanga Mineiros, located in the state of Santa Catarina, already a historic customer of M&S, has recently commissioned a new coal grinding plant from the Brazilian branch which will be added to the one already functioning and always supplied by M&S in 2008 with MOLOMAX MS6/190.

This new supply is essentially equipped with an MS-3/120-AIR Pendulum Mill with process filter and with a drying system via an innovative heat recovery system leaving the coquery ovens.

The plant operates on "Cardiff" type charcoal, with an initial humidity of 10% and has a production of 5,5 tons/h with a 90% separation cut below 40 microns.

With the costs of classic energy sources continuing to grow, the whole world is re-evaluating energy sources that were considered obsolete but which, if properly prepared, can be both economical and low-polluting, such as coal, which we remember, is still used today in all the world in many industrial realities, such as foundries and steel mills.

Urussanga mineiros


MANFREDINI E SCHIANCHI ESTABLISHES ITSELF IN KAZAKHSTAN AS A LEADING COMPANY IN THE GRINDING OF CALCIUM CARBONATE


Alina calcium carbonate

Over the last three years, Manfredini and Schianchi has installed several plants for the production of Calcium Carbonate in Kazakhstan at the important Alina Group, one of the country's largest companies producing raw materials.

The first plant which came into operation a few months ago is the result of commercial agreements signed in 2016.

The plant is located in the city of Karatau and is a grinding and screening plant for the production of approximately 20 tons/h of calcium carbonate and is equipped with MAXI-PIG hammer mills, MOLOMAX MS6/190 and screening system business suit.

The second, much smaller plant, located in the city of Taraz, is equipped with a MOLOMAX MS3/120 Pendulum Mill and produces approximately 10 tons/h of calcium carbonate and calcined gypsum.

The third plant, with an agreement signed between the parties in 2017, is located in the city of Semey, which came into operation at the end of 2018 and is equipped with a MOLOMAX MS6/190 finishing mill complete with a series of three-story batteries from Vagli high MS performance while, as a pre-grinder, there is always the MAXI-PIG. The plant in question produces calcium carbonate and calcite with an estimated flow rate of approximately 18-20 tons/h.

A new commercial agreement was recently signed with the Alina Group which provides for the supply of a "twin" plant to the one currently operating in Semey for the new factory, about to be completed in the city of Aktobe.

Thanks to these profitable and satisfying collaborations with the Alina Group, Manfredini and Schianchi is today confirmed as a leading company in Kazakhstan in the supply of plants for the grinding and screening of calcium carbonate.

Alina Calcium carbonate


EN RECUERDO DE UMBERTO MANFREDINI


Umbeto Manfredini

The Manfredini & Schianchi Group feels deeply anxious to announce that on Sunday 5 May 2019 at 22.30 pm the President and founding partner, Umberto Manfredini, failed.

Umberto Manfredini was born in Sassuolo (MO) on the 26th of January 1938. He was a distinguished figure in the panorama of the ceramic industry of Sassuolo and Italy. In 1960 he decided to found his own company by building a mechanical tool with just a cutter and a lot of good will. At the start he didn't work with customers from the mechanical district; His main client was Fiat Agri de Módena (currently New Holland), specialized in the manufacturing of agricultural machinery.

The subsequent meeting with his future partner, Gianfranco Schianchi, implied a decisive change: in 1962 he joined and founded MANFREDINI & SCHIANCHI, today's leading company specializing in the creation of milling systems, preparation of raw materials for the ceramic and thieves, carbon, calcium carbonate, bentonite, are also one of the main companies in the world in the ministry of technology for the processing of salt. I am happy to meet Umberto Manfredini personally and know that he has an energetic, combative, always dynamic figure and full of new ideas. A person with the ability to understand the changes of the ceramic industry of the future and to understand its needs.

Strong supporter of the technology of the mill in his company, even when the ceramic world was insistently inclined towards the human method, Umberto always believed that in the world, above all in the countries where water was considered a precious good, the technology in With him he could have important development heroes. And so it was, in fact, when Manfredini & Schianchi began to export more and more away from the national fronts and penetrate new markets and countries such as North Africa, the Middle East, Iran and, fundamentally, South America. Brazil was one of the first countries in the last 30 years to record an incredible increase in the number of baldosas produced with the old method.

Indeed, when Umberto visited this South American giant in the late 80s in the ceramic district of San Pablo (Santa Gertrudes, Cordeiropolis, Rio Claro), he immediately realized its potential. For this reason he founded Manfredini and Schianchi do Brasil, who for many years was one of the major manufacturers of milling systems of raw materials in Brazil.

Like a great entrepreneur, during his 81 years of life Umberto Manfredini worked in many roles in Sassuolo, as president of the CNA and advisor on sports and culture of the municipality in the 70s, he occupied various cargoes in Sassuolo Calcio between the 70s, 80 and 90, and was one of the founding members, joining Manfredini & Schianchi, of the ceramic machinery category association, ACIMAC, in 1989, for that reason based in Milan.

Umberto gives his wife Pasquina, his sons Alessandro and Andrea and all the staff of Manfredini & Schianchi a heartfelt memory of them and their lessons. For his generosity, loyalty, respect and strength of will to always believe in his ideas of him. “If something is correct, it is just to create it and raise it carefully. Always! Never give up before the first difficulties but try to keep your beliefs intact, your belief in this idea..."

Thanks for your lesson, Umberto.


MS-DRYTECH AND GRANULACIÓN FUSION: THE ECOLOGICAL ALTERNATIVE TO THE MOLIENDA EN HÚMEDO


Fusion

The results achieved by the dry preparation process of ceramic pastes - with MS-DryTech milling technology and subsequent granulation in dry Fusion (patented) - confirm that it is possible to obtain blocks of enamelled porcelain stoneware with the same characteristics of the materials produced with traditional home technology.

With the double advantage that the considerable reduction in energy and water consumption makes the process decidedly ecological, allowing for great horrors over the costs of production. The indisputable experience acquired by Manfredini & Schianchi in the sector of the preparation of raw materials in the field allows it to actually propose the most suitable technologies, taking into consideration the type of raw materials available and the quality of the required ceramic product. In continuation, the results of a study carried out at the Manfredini & Schianchi Tecnológico Center with the collaboration of the University of Módena and Reggio Emilia and the ITC (Instituto de Tecnología Cerámica) of Castellón are presented.

The objective of the investigation was to verify the suitability of pastes molded with MS-DryTech and granulated with Fusion for the production of tiles with similar technical characteristics to porcelain stoneware. To this end, the composition of the paste to be ground with it is formulated following the classic criteria of the formulation of ceramic pastes, it is decided, without making modifications to the formulas used for home preparation. The quality parameters of the ceramic product obtained with dry-molded pastes were verified, comparing them with the parameters of a typical porcelain stoneware paste obtained through humidified and atomized molding.

The study included the verification of the mineral, chemical, morphological and granulometric and sintering characteristics of the obtained pastes, as well as the macroscopic and regulatory characteristics of the products (linear retracement, water absorption, resistance mechanics, incidence of the black core) . During the experiment the following laboratory tests were carried out:

  • Measurements of granulometric distribution of pasta powders;
  • Chemical characteristics of the pasta powders;
  • Mineral characteristics of pasta;
  • Morphological characteristics of the pasta powders after granulation and atomization and their relative behavior in the press;
  • Product characteristics (RL, AA) obtained from dust by means of two technologies;
  • Comparison of consumption and horrors between the two technologies;
  • Comparison of the environmental impact between the two technologies.

The results

Both the defractometric and granulometric analysis confirmed that there are no substantial differences between the results of the two milling technologies: to make a comparison between the two technologies, the residual dry and average is approximately 5% with a milling granulometry of 44 microns.

As for the morphology of the dust, what is achieved with the Fusion granulation is more compact and totally free of air vacancies in its interior. Table 1 compares the behavior of the two granules (a fusion granule and an atomized granule), which when weighing their slightly different morphology are practically similar in granulometry and parameters measured.

The density in the slightly higher mold of the Fusion granules confirms a much more uniform humidity between the larger particles (>600 micrones) and the finer dust (<100 micrones), which does not compromise the load parameters of the cell, favoring a surface much more lisa and homogeneous than the baldosa in the green. The analysis of the cooking behavior of the two pastas (cooked with a 38' cycle at 1210 °C) does not reveal any differences.

In detail, table 2 indicates the qualitative technical parameters of porcelain stoneware tiles measuring 60x120 cm and 10 mm thick, manufactured with a paste processed using the MS-DryTech process and Granulation Fusion, using raw materials that are easy to obtain and cost-effective.

Conclusions

The experiment carried out has shown that the formulas elaborated dry and granulated with Fusion technology allow the fabrication of products with equivalent characteristics to those of ceramic materials obtained with traditional humidification technology and subsequent atomisation. In particular, the process developed by Manfredini & Schianchi allows excellent reactivity, perfect for obtaining porcelain stoneware materials.

If we add to this the enormous difference in terms of environmental sustainability between the two processes (tables 3 and 4 compare energy and water consumption and produced emissions), it is evident that the process in this case is twenty-fold compared to the process in the home, constituting a valid alternative for ceramic manufacturers who wish to concentrate on more sustainable production.

Fusion

Fusion

Fusion

Fusion

Fusion

Fusion

 

 

 


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Email: plants@min-ind.it