Dinnissen Process Technology, of Sevenum in The Netherlands, specialises in the processing of powders, particles and granulates for companies in the feed, food, pharma and chemical sectors.

1. Digital Re-print - May | June 2010
Feature title: Hygienic Compact Containment System
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2. Containment Feature Feature Containment
with everything as dry as possible, cak- in a safe direction,
ing, clumping and the growth of bacteria while potentially
and moulds are also effectively prevented. contaminated air
After their removal, expensive raw materi- is removed and
als remain undamaged and can be reused transported else-
without any problems. where.
In addition, the system offers significant
benefits in terms of labour saving and reduced Developed
downtime when switching from one product for
to the next. For companies which need the production
very highest level of hygiene, Dinnissen can fit processes
the ‘dry-cleaning-in-place’ system with extra Hygienic
options from its product range such as elec- Compact
trolytically polished surfaces. Containment is
particularly appro-
Hermetically sealing-off process priate for use in
The entry of fine particles and microor- projects which
ganisms is a threat to the hygienic produc- involve product
Dinnissen Process Technology develops a tion of foodstuffs, particularly for companies intake, mixing,
operating in the food sector. grinding, sifting
Hygienic Compact Containment System In addition, the emission of toxic and
sensitising substances can pose a threat to
and packaging for
companies in the
worker safety, particularly in the chemical food, pharma and
D
innissen Process Technology, of Fast cleaning and more batches cally using powerful blasts of compressed and pharmaceutical sectors. chemical sectors.
Sevenum in The Netherlands, per hour air and an interval switch. To achieve this, Dinnissen’s new Hygienic Compact Hygienic Compact
specialises in the processing Dinnissen has succeeded in producing Dinnissen’s system employs tanks of com- Containment concept succeeds in hermeti- Containment
of powders, particles and granulates such a compact design via the use of accu- pressed air and special nozzles installed at cally sealing off production processes and offers effective
for companies in the feed, food, rate flow meters, dosage components and crucial locations in the mixing system. preventing particles from coming in or out. solutions for envi-
pharma and chemical sectors. extremely accurate weighing systems. The equipment is blown clean on a step- The concept is based on a combination of ronments in which
As a result, the systems supplied by by-step basis with the help of an interval three functionalities. raw materials are
In particular for environments where it Dinnissen can quickly and accurately dose switch, which ensures that the cleaning First, Dinnissen establishes a situation processed for the
is essential to work hygienically, safely and various ingredients and process a large operation proceeds as programmed. of underpressure wherever ingredients are production of pro-
efficiently because of specific cleanliness number of batches per hour. This makes it The blow-cleaning process starts from introduced into the system. The resulting biotics, vitamins,
requirements, explosion hazard and/or the possible to achieve a high mixing capacity in the weighing bunker and proceeds, from pressure exerted from outside the system baby food, meat
potential emission of toxic or sensitising spite of the compact design of the process front to back (or from top to bottom), to prevents any hazardous substances from products, dried
substances, Dinnissen has developed the equipment. This is possible even at ratios of clean every component of the mixer and escaping from connections and seams or herbs, graphite,
Hygienic Compact Containment System. coarse dosage/fine dosage of 1:500. storage bunker with the help of blasts of joints. toner, additives,
The concept combines the quick and thor- In practice, Dinnissen’s systems allow compressed air. In addition, Dinnissen uses inflatable seals nitrates, fine par-
ough cleaning of production processes with coarse dosage rates of 20 tonnes per hour After each compartment has been and air-seals with air pressure throughout ticles, sensitizing
an extremely effective containment of even and fine dosage rates of 40kg per hour (11g cleaned, it is automatically sealed off by the system. The end result is a hermetically substances, sub-
the finest particles. per second). The compact design of the special valves to prevent any raw material sealed system, whereby dirt and microorgan- stances which are
processing equipment is very important in particles from moving backwards to previous isms are not able to enter and hazardous associated with
Quick and thorough cleaning enabling production processes to be cleaned parts of the chain. An efficient suction system substances are not able to escape. explosion risk and
The ability to quickly and thoroughly quickly and thoroughly. removes all particles and dirt which have The use of underpressure and inflatable other raw materi-
clean production processes is becoming been blown away and transports them to a seals makes it possible to limit particle trans- als for the chemi-
increasingly crucial, as more and more pro- Cleaning the mixing and hermetically sealed section. mission to less than 0.1mg per m3 of air. cal and pharma
ducers choose to invest in a single process transport systems This new technology blows weighing bun- The Hygienic Compact Containment sectors.
line for the production of several products. Dinnissen Process Technology developed kers, mixers and storage bunkers clean and system is even effec-
The quick and thorough cleaning achieved the fully automated ‘dry-cleaning-in-place’ empty at efficiencies of 99.9 percent. tive against extremely
with the Hygienic Compact Containment concept, based on com- pressed As the entire cleaning process is done fine particles (down to More inforMation:
System is based on its compact design and air, especially for companies 10nm). In situations which
Ingrid van der Sterren
the fact that all the process equipment is which need to clean their call for the very strictest Dinnissen BV
quickly and easily accessible for cleaning mixing and transport sys- standards of hygiene and Horsterweg 66
purposes. tems quickly, efficiently and safety, the system can be 5975 NB Sevenum,
This is also why Dinnissen fits its mix- hygienically. fitted with a controlled The Netherlands
ing and grinding installations with oversized The ‘dry-cleaning- airflow facility. In such Mobile. +31 6 13518065
inspection hatches and easily removable mix- in-place’ technology cases, a conditioned flow Email: info@vdsterren.com
Website: www.dinnissen.nl
ing shafts. As a result, all the interior parts of cleans mixing systems of clean or even sterile
the machines are optimally accessible. completely automati- air is created, which flows
40 | may - June 2010 Grain &feed millinG technoloGy Grain &feed millinG technoloGy PREVIOUS PAGE NEXT PAGE may - June 2010 | 41

3. Your mill is our priority. No one knows our systems as well as we do. We built
them, and we will do everything we can to ensure that they continue to improve
your company’s productivity. With fully customized service plans we are able to
provide everything from reliable troubleshooting and original replacement parts
to technology upgrades, preventative maintenance, and consulting services.
Are you satisfied? Then we are too.
Bühler AG, Customer Service, CH-9240 Uzwil, Switzerland, T +41 71 955 30 40,
F +41 71 955 33 03, service.gp@buhlergroup.com, www.buhlergroup.com
The solution behind the solution.
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