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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


THE MEMORY OF UMBERTO MANFREDINI


Umbeto Manfredini

The Manfredini & Schianchi Group is deeply dismayed to communicate the request of its President, as well as its founding partner, Umberto Manfredini on Sunday, May 5, 2019, at 22pm. Umberto Manfredini was born in Sassuolo, in the province of Modena, Italy, on the 30th of January 26. He was one of the main protagonists of the ceramic industry of Sassuolo and Italy. In 1938 he decided to open his business and built a mechanical workshop equipped only with a milling cutter and a large number of tools.

First of all, in the Sassuolo ceramic factories, Umberto's main customer was at Fiat Agri in Modena (New Holland), specialized in the manufacturing of agricultural machinery. When I met my future partner, Gianfranco Schianchi, a decisive change was made in the company's history: as a result, in 1962, after joining two years, he was born at MANFREDINI & SCHIANCHI, now a leading company specializing in the creation of plants moagem, preparation of raw materials for the textile, clothing and sanitary ware industry and for ceramics, polishing, carving, calcium carbonate, bentonite, as well as being one of the main companies in the world providing technology for the benefit of health.

You had the chance to meet Umberto Manfredini, who knew that he was an energetic, combative, always dynamic and always open to new ideas. A person with the ability to understand the changes in the ceramic industry of the future and, consequently, understand the demands of the future. A great defender of dry water technology, even when the ceramic world insisted on the wet method, Umberto always credited us with the fact that in the world, above all our countries, that water is considered very precious, the dry technology could be at the margins of important desenvolution. And so, above all when Manfredini & Schianchi come to export every time to cross the Italian fronts and penetrate new markets and countries, as in Northern Africa, or the Middle East, or Iran and, above all, in South America.

Brazil is one of two countries that in the last 30 years have featured numerous growth spurts in thermos of products produced using the specific method. As a result, having visited the ceramic center of São Paulo (Santa Gertrudes, Cordeirópolis, Rio Claro), no American giant, Umberto immediately understood its great potential. It was also that he founded, during that period, in Manfredini and Schianchi do Brazil, who during the years were one of the major Brazilian companies manufacturing plants locally of raw materials.

Formerly a great businessman, Umberto Manfredini, after 81 years of life, has many other cargoes in the business life panorama of Sassuolo. Indeed, I was president of the CNA of Sassuolo, the Italian national confederation of crafts and small and medium enterprises, as the Secretariat of Sports of the Municipality of Sassuolo in 70 years. However, I have several functions at the time of civic football, or Sassuolo Calcio, between the years 70, 80 and 90, was one of two founding members, together with Manfredini & Schianchi, from an association of the category of manufacturers of ceramic machinery, to ACIMAC, in 1989, whose headquarters was in Milan at that time .

Umberto went to Pasquina, to his sons Alessandro and Andrea, and to the whole team from Manfredini & Schianchi, a great team of himself and his two friends.

For his generosity, loyalty, respect and strength to always credit his ideas. “If something is certain,… it is certain to credit it and move it forward! Always! Don't give up or encounter the first difficulties, but continue fighting to keep your belief intact, to keep your idea intact..."

Obliged by your legacy, Umberto.


MS-DRYTECH AND GRANULAÇÃO FUSION: A “GREEN” ALTERNATIVE FOR MOAGEM IN ÚMIDO


Fusion

The processed results of the dry mass preparation process – with MS-DryTech blending technology followed by dry Fusion granulation (patented) – confirm that it is possible to produce ceramic pieces in enamelled porcelain stoneware with the same characteristics of the materials manufactured using the technology traditional wet.

With the double advantage that a strong reduction in energy and water consumption makes the process truly “green”, making it possible to achieve great savings for our production customers. The indisputable experience gained by Manfredini & Schianchi in the field of preparation of raw materials via dry means, therefore, proposes the most suitable technologies, tending towards consideration of the type of raw materials available and the quality required for the ceramic product. We present below the results of a study conducted at the Centro Tecnológico by Manfredini & Schianchi, in collaboration with the University of Modena and Reggio Emilia and with the ITC (Instituto de Tecnologia Cerâmica) of Castellon. The objective of the test was to test the suitability of masses molded with MS-DryTech and granulated with Fusion, for the production of ceramic pieces with similar technical characteristics to porcelain stoneware.

To this end, the composition of the mixture prepared for dry mixing should be formulated according to the classic criteria for formulating ceramic masses, or so, without making modifications in relation to the formulas used for preparing the wet mixture.

Next, we will verify the qualitative parameters of the correct ceramic product with the appropriate mixtures, comparing them with the parameters of a typical mass for the production of correct porcelain stoneware with wet and atomized blending. I first check the mineral, chemical, morphological and granulometric characteristics and the interaction of the objective masses, as well as the macroscopic and regulatory characteristics of the products (linear contrast, water absorption, mechanical resistance cânica, incidence of the early nucleus). No experiments for carrying out the following laboratory tests:

  • Granulometric distribution measurements after the masses
  • Chemical characteristics of the masses;
  • Mineral characteristics of the masses;
  • Morphological characteristics of the masses after granulation and atomization, and respective behavior in the grip;
  • Characteristics of the selected products (RL, AA) required from the subsequent products produced with two different technologies;
  • Comparison of consumption and economics between two technologies;
  • Comparison of environmental impact between two technologies.

The results

Both difractometric analysis and granulometric analysis confirm that there are no substantial differences between the results of the two modeling technologies. To make a comparison between the two technologies, the residue both dry and wet is about 5% at a grain size of 44 microns.

As regards the morphology of the two parts, what is obtained with the Fusion granulation will result in being more compact and totally free of air spaces in its interior. Table 1 shows a comparison of the behavior between two granules (a fusion granule and an atomized granule) which present a slightly different morphology, resulting, in practice, in terms of granulometry thermos and measurement parameters.

The slightly higher density in the case of Fusion granules confirms a uniform humidity of the larger corn between larger fractions (>600 microns) and even smaller particles (<100 microns), which does not affect the flow parameters of the larger tube, much On the contrary, a ceramic surface that is not as smooth and homogeneous is preferred.

Also analyzing the behavior of the two masses (quenched in a 38 minute cycle at 1210 °C) did not differ significantly. No detail, table 2 presents the qualitative technical parameters of ceramic pieces in porcelain stoneware in the 60x120 cm format and 10 mm thickness, produced in mass using the MS-DryTech process and Fusion granulation, using raw materials easy to find locally and for continuous custody.

Conclusions

The experiment carried out according to the formulas designed dry and granulated with Fusion technology allows us to manufacture products with equivalent characteristics to those of ceramic materials used with traditional wet blending technology followed by atomization.

This special process, developed by Manfredini & Schianchi, allows for excellent, perfect production of material in porcelain stoneware.

If there is a great difference in terms of environmental sustainability between the two processes (as tables 3 and 4 compare the energy and water consumption of both, as well as the produced emissions), it is clear how the process in question is the same as that wet, representing a valid alternative for ceramic fabricators who wish to focus their efforts on more eco-sustainable production.

Fusion

Fusion

Fusion

Fusion

Fusion

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Email: plants@min-ind.it