An important part of processing raw materials is reducing their size. Dinnissen offers a wide range of milling and grinding solutions to achieve the exact particle size or fineness required. The best choice of equipment depends on the material being processed and the desired fineness. The robust and proven designs ensure reliability and, if needed, meet the highest hygiene standards. That’s why the world’s leading producers trust Dinnissen's milling or grinding installations.
On this page you can read more about:
- Milling and grinding your product
- Our milling and grinding solutions
- Applications of milling and grinding
- Ensuring quality
- The process as part of the total solution
Milling and grinding your product
Milling and grinding are two distinct process steps. Grinding reduces the size of a product, but not to powder. For example, corn kernels are broken down for poultry feed, or clumped sugar is broken apart. Milling, on the other hand, results in a powder. This is the process used to turn corn, wheat, or grain into fine flour.
Each product behaves differently because it is made up of various components. Dinnissen offers the option to run tests with your product to determine the best solution based on factors such as viscosity, breakability, moisture content, and more. No matter the desired product fineness, Dinnissen delivers the exact solution tailored to the product and the intended outcome.
Our milling and grinding solutions
Hammer Mills
To find the right processing method for your product, it's essential to understand its specific needs. Dinnissen discusses possible solutions and advises on the best fit for your process. Looking for a machine to turn your dry or wet product into powder or paste? Take a look at our Hamex® Hammer Mill, Hamex® Fast Screen Exchange Hammer Mill, Hamex® Automatic Screen Exchange Hammer Mill, and Dinnox Hammer Mill.
Particle size reduction
Our Roller Mills, Shredders, Centrifugal Mills, Breakers, and Nibblers ensure that products are reduced in size. A roller mill is ideal for fibrous products, such as oilseeds. A shredder can reduce bulky products like straw bales, hay, paper, and plastics. The centrifugal mill is commonly used for breaking pellets and granules. A breaker is excellent for breaking clumped sugar or minerals. By passing sugar or minerals through a breaker and sieve, the right consistency can quickly and efficiently be restored. For example, crystal sugar can be returned to sugar granules instead of being ground into powdered sugar. The finisher mainly breaks aquafeed with minimal dust generation and without air movement, ensuring optimal hygiene.
Pulper
A slightly different solution from the others is the Pulper. This ergonomic blender is suitable for wet and fibrous products, such as vegetables, fruit, and fish. Dinnissen is happy to discuss innovative ways to use our solutions for other products. Our milling and grinding solutions are commonly used in the feed, aquafeed, and food industries. If you're working in another sector and need a milling or grinding solution, don't hesitate to reach out to explore all possibilities.
Curious which solution best fits your production process? Dinnissen is happy to work with you and provide tailor-made systems based on your specific product and process needs.
Applications of milling and grinding
food
In the food industry, milling solutions are primarily used for grinding grains, coffee beans, cocoa beans, and spices into fine powders. Grinding solutions, on the other hand, can be used to crush biscuits to be used as a topping for cakes or ice cream. The pulper can be used to create fruit or vegetable pulp for juices. For all food industry applications, our machines are available in versions that meet the strictest hygiene standards. This includes eliminating hollow spaces, applying special shapes to prevent product residue, and performing product-specific surface treatments. Dinnissen ensures that our machines are easy to clean with smart solutions. With large access doors, retractable shafts, and other practical solutions, the machines are highly accessible.
FEED & AQUAFEED
Milling and grinding solutions are also used in the feed and aquafeed industries. These applications often have less stringent hygiene requirements, with a greater focus on achieving the desired result quickly and efficiently. Examples of products processed in this sector include corn kernels, corn cobs, oats, wheat, and more. These are often ingredients for compound animal feed that need to be ground to the correct final particle size.
Ensuring quality
Dinnissen stands for reliability. The world’s leading producers place their trust in Dinnissen’s solutions. Our ISO 9001 certification demonstrates that our processes meet international standards for systematically delivering products and services that comply with relevant laws and regulations. Additionally, the entire organization is ISO 14001, 27001, and 45001 certified, showcasing that our environmental management system, cybersecurity, and labor conditions meet internationally accepted standards.
Upon request, we provide solutions that meet the EHEDG guidelines. Hygienically designed machines prevent contamination in the products being produced or processed, allowing food producers to use our solutions with confidence. The machines are built with stainless steel that is treated in such a way that nearly no product residue remains. The easy accessibility for cleaning also ensures long-term quality assurance of the machines. Many of Dinnissen’s machines are available in ATEX versions, making them safe to use even in environments with explosion risks.
Process as part of the total solution
Looking for more than just a single machine? As a system integrator, Dinnissen delivers complete production lines from A to Z. Taking a holistic approach, we evaluate the entire production facility and optimize layout, setup, and system architecture. The goal: maximum output, efficiency, and minimal downtime in the smallest possible space. Dinnissen integrates all machines and systems for every step of the process into one complete production line, in a highly automated system wherever possible. From specification to service. From product intake to packaging. And from machines and systems to full control and automation. To ensure a well-functioning and robust production line, Dinnissen keeps as much as possible—from engineering to production and from control to commissioning—in-house.
Do you have a question about your process?
- Over 75 years of experience in your industry as a system integrator
- Everything in-house: engineering, production, testing, installation, control, and service
- Always a tailor-made solution for your entire process
We are proud that these companies rely on Dinnissen
What customers say about us
Unique in preliminary work
What really makes Dinnissen unique, is the preliminary work. You can literally count every bolt and nut in the drawing.
Kenneth Gijzen- Maintenance & Engineering Manager - AAK Rotterdam
Six-fold increase of total production
Production has gone from 3-5 tons per day to 30 tons per day. That's a six-fold increase in total production.
Michiel de Boer- CEO - Nöll & Co.
Easily and safely changing sieve basket
The ease and safety with which the sieve basket can be changed were decisive factors in our choice for a Dinnissen sifting machine.
Mr. Kreuzer- Company Manager - Südstärke
Drastically improved feed-quality
90% of our customers with laying hens have already switched to the new feed produced using the Pegasus® mixer and the Thermidor® system.
Kurt Egli- Former manager - Egli Mühlen
Mixing time of 60 seconds per batch
Previously, we had standard times in the mixing process of 14 - 15 minutes. With the Pegasus® mixer we achieve a mixing time of 60 seconds per batch.
Lothar Pixa- Director - Planta
World player in process technology
To realize production processes of the best quality, we work closely with Dinnissen: One of the strongest players in the world in process technology and hygienic design.
Gerben Koopmans- Project Engineering Manager - Nestlé
Tailor-made solution for every problem
What charmed us most about Dinnissen was that they responded perfectly to our questions each time: they jumped right in and quickly came up with a tailor-made solution to each problem.
Jos Falvay- Project manager - Perstorp
Quadrupled production capacity
In collaboration with Dinnissen, we have quadrupled our production capacity from 3 to 12 tons per hour.
Harald Schmalwieser- Managing Director - Solan
Supplied entire installation
Dinnissen is the first company we've worked with that delivers a total package. Because Dinnissen supplied the entire installation, including platforms and safety installations, the entire line is CE-certified.
Michel Kliphuis- Manager - Steinweg Amsterdam
Technicians, not salespeople
Dinnissen's representatives strive for the best solutions. They are engineers first and salespeople second.
Frans van Zutven- Founder and Director - Van Zutven
High-quality vacuum coaters
We chose to work with Dinnissen because they supply high-quality vacuum coaters that fit exactly within our production lines.
Arnold Balledux- Global Technical Head Animal Feeds & Vice-president Animal Feed & Protein - Olam Agri
Mixers have been running 30 years
Dinnissen machines may not be the cheapest in terms of purchase price, but in terms of value for money, there are none better. Our Dinnissen mixer has been running extremely reliably for 30 years.
Adwin van der Vorst- Directeur - VDV Group
Customized mixers
Dinnissen thought along with us from start to finish. For example, they used existing drawings for these new mixers to save us costs in the engineering phase.
Pieter Gorter- Project Manager - ForFarmers
Process specialists unafraid to push boundaries
Dinnissen possesses expertise distinct from our in-house capabilities. They are process specialists unafraid to push boundaries and set limits.
Raymond Nolet- Founder - MiFood
Service on weekends
One day there was an important issue and one of Dinnissen's engineers immediately took action during the weekend. I have never seen other foreign partners do this.
Mr. Kimio Aono- Founder - APTe Japan
Filled three complete factories
Dinnissen has filled an entire factory for us with a complete production line, on three different occasions. They just get it right: from mixers and sifters to sampling and automation.
Erik Schut- Managing Director - Jonker & Schut
The importance of hygiene and safety requirements
Dinnissen fully understood the importance of hygiene and safety requirements in our industry. They went the extra mile by providing us with all the necessary documentation, all ATEX drawings, and full traceability.
Anton Vleeshouwers- Project Director - DSM
Fully automated sampling
We considered several machine developers, but the high quality of the Dinnissen machines and the competence and commitment of the employees were decisive for us.
Arjan van Dijk- Project Manager - Ausnutria
Didn't consider any other option than Dinnissen
When the mixers needed replacement and Dinnissen could do a one-on-one replacement, we really didn't consider any other option than Dinnissen.
Elmar Flach- Technical Specialist - Voergroep Zuid
No challenge is too big
At Dinnissen, they think in terms of challenges, not problems. They don't give up and keep going until there is a solution that satisfies all parties.
Martin Sonneveld- Production Director - United Petfood Waalwijk
Flexibility, cleaning, short mixing time, and a homogeneous end product
We also considered other options but on the points we considered most important - flexibility, cleaning, short mixing time, and a homogeneous end product - Dinnissen scored best.
Sam Dimassi- Owner - Nutri-Dynamics
Choice based on trust, feeling, and price
We made a choice based on trust, feeling, and price. In this total package, Dinnissen came out best.
Marcel van den Oetelaar- Proces Technologist - Vobra
Collaboration based on mutual respect
Our collaboration with Dinnissen is based on mutual respect and trust. We challenge each other to continuously innovate and improve
Stefan Kuijpers- Director - Vitelia
Increased capacity despite using 17 fewer mixers
The amazing part is that we managed to increase the capacity, despite using 17 fewer mixers.
Edward Depre- Project Manager - Group Depre