Romaco FrymaKoruma at POWTECH 2008

The Dinex vacuum process plant will be the centre of this year’s presentation by Romaco FrymaKoruma at POWTECH 2008. The plant, used for manufacturing liquid and semi-solid forms, has an impressively powerful homogenizer, designed according to the rotor-stator principle. Two bypass pipes provide flexible adaptation of the process parameters and extremely variable batch sizes.

FrymaKoruma will be demonstrating the newest standard in milling technology with the MZ toothed colloid mill. Different milling sets and an individually adjustable mill gap allow them to be optimally adjusted to the products being processed.

These can be seen at POWTECH 2008, from 30th September until 2nd October 2008 in Nürnberg, Germany, in hall five, stand 220.

For liquid and semi-solid forms

The Dinex vacuum process plant by FrymaKoruma is used for manufacturing liquid and semi-solid emulsions and suspensions for the pharmaceutical and cosmetic industry. The plant is equipped with a powerful homogenizer, designed according to the rotor-stator principle, for processing individual components. The high tangential speed of the rotors, together with the simultaneous opposing forces of the stator, generate extremely strong shearing forces.

These produce optimum dispersion, with a fine distribution of particles in the micrometer range and below. Depending on the application, the stator can be optionally extended, which means the application of shearing energy can be flexibly controlled. This provides high pump performance, whilst simultaneously gently circulating the product mass.

The product components are sucked directly into the mixing zone of the homogenizer and immediately homogenized. Both dry and liquid components can be fed through up to five different product feed lines. The product is then fed to containers, either through an internal (short loop) or external (long loop) bypass pipe. The route through the short loop is used for producing small batch sizes, for example, or processing products containing a high proportion of soap. This prevents serious foam formation during the manufacturing process.

Even very large formulations can be processed quickly and effectively through the long loop, with the contra-directional stripper and stirrer in the container providing good, thorough macro-mixing. In this way, the plant meets all the conditions for an installation in potentially explosive zones, as well as for sterile production in clean room areas. Producing pharmaceuticals, cosmetics, personal hygiene and medical products, the Dinex process plant covers a wide product range.

Setting new standards in milling technology

The MZ toothed colloid mill by Romaco FrymaKoruma is used for wet milling liquid and highly viscous suspensions and emulsions. Coarse and cross-toothed milling sets are optionally available for processing components, to guarantee comminution suitable for the product. The coarse-toothed milling set mills hard solids such as nuts or beans for the production of pastes and suspensions. The cross-toothed milling set is used to achieve greater dispersion effects, which is relevant for the fine comminution of colouring pigments and fruit pieces in juice production. The colloid milling sets can achieve particle sizes between 100µ and 500µ.

In order to achieve optimal milling processes in the production of different applications, the milling gap can be set according to the product, where the gap width between the rotor and stator is fixed. Large product throughput is thus processed to a high quality at high energy density in the smallest possible space. The milling chamber is designed so that the product space can be fully emptied.

On the one hand, this increases the effectiveness of the plant, and on the other, makes cleaning in place (CIP) of the mill easier. Thus, the toothed colloid mill meets the hygiene standards of European and American good manufacturing practice (GMP).

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