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Sieving – Maximum control for optimal results
Companies in the food, feed, pet food, pharma and chemical industries are being confronted with increasingly stringent requirements with regards to food safety, quality, tracking & tracing, and hazards associated with dust and explosions. Dinnissen Process Technology is continually searching for the best solutions when it comes to quickly and reliably managing various granulated as well as powdered materials.
Efficient fractionation ensures the highest purity
Our sieving technique is based on the use of our centrifugal sieves. The material to be fractionated is brought into the sieving chamber, where the material is agitated by spinning fins. Those fractions which consist of small enough particles pass through the centrifugal sieve, whereas contaminants and larger particles are quickly transported onwards. We can achieve a range of sieve results, by adjusting the diameter of the openings and the residence time of the product in the sieve basket.
XS4 Sifting, high capacity powder monitoring to integrate in transport systems
Regardless of whether powders arrive from silos, bulk transporters or an unloading station, speed of operation and high capacity are almost always essential. Dinnissen’s XS4 Sifting is a method for high capacity powder control that can be integrated with practically any new or existing (pneumatic) transport system. The basis of XS4 Sifting is a centrifugal sieve. A specially fitted feeding system is used to introduce material to the sieving chamber.
Screen protector minimizes loss due to equipment damage and downtime
Metal particles, stones and excessive loading of the sieve elements can damage your expensive equipment. That is why our method ensures that the material to be sieved is distributed over the sieve basket as uniformly as possible. This reduces repairs, maintenance and expensive production downtime to an absolute minimum. The use of a preliminary sieve or screen protector prevents sharp and/or heavy objects from coming into contact with the most delicate elements of the sieving equipment. In addition, the special design ensures that our sieve sleeves are very robust.
International guidelines and strict hygiene standards
We are thoroughly familiar with all the relevant international guidelines and standards – including ISO, ATEX, HACCP, GMP, FDA and EHEDG – so that we can quickly and effectively ensure compliance with all the requirements pertaining to your production process. This is true even for the very strictest hygiene standards, such as those which apply to our customers in the baby food sector. That is also why we supply a wide range of sieving installations in any desired material and finish level – including steel and high-quality stainless steel, with or without an inside layer of wear-resistant or PTFE liner, wear-resistant metal, and electrolytic polishing.
Compact design facilitates integration in new or existing systems
Our sieving installations are available with sieving cylinders in a wide range of sizes – from compact models to extra-long sieving baskets (up to 1500mm) for even more security. We develop customized sieving installations for special situations, which can be delivered quickly and with the added option of choosing which location you wish to use for injecting the product to be processed. Various options are also available for injecting the product including: screw feed, vibration feed, gate feed, or gravity feed. In short, our wide product range and flexible options make it easy to quickly and efficiently integrate our sieving installations into your existing pneumatic transport systems and/or production process.
Sieve guidance system ensures ease-of-use and quick inspection
Time is money, and that certainly applies to frequently recurring work activities such as inspection, cleaning and maintenance. That is why all of our sieving systems can be fitted with a guidance system which makes it possible to remove the basket sieve either manually or fully automatically.
We can manage the entire process
Thanks to over 65 years of experience in process technology, our expertise is not limited to sieving technology alone. We also have a great deal of in-house expertise when it comes to the intake and transport of even the most difficult powders as well as accurately weighing, dosing, grinding, mixing and packaging a wide range of materials. We design and develop our own technology and have extensive in-house manufacturing and service facilities.