IDM ¦ Technology/IT
Not a drop wasted
ReWork at Emmi
With a turnover of around 3.7 billion Swiss francs,
the tradition-rich company Emmi is the largest
dairy processor in Switzerland. Emmi has always
been aware of the accompanying responsibility
for employees, society and the environment – and acts accordingly
in a sustainable manner. One success story is the ReWork process
at its Suhr location. Using a WEIMA PUEHLER G.300 ReWork
draining press, overfilled or underfilled milk cartons are automatically
opened and emptied in order to return the recovered milk
to the production process. The result: an efficient resource cycle.
At the largest Emmi location in Switzerland, in Ostermundigen,
they have been familiar with PUEHLER draining and compressing
technology for over 20 years. Thanks to the successful collaboration,
Emmi is relying on WEIMA as a partner for its new ReWork
system with a PUEHLER press as a key component at another large
location, namely in Suhr, where milk, cream and butter are primarily
produced.
Deputy Site Manager Hans-Peter Steuri explains: "We process
around 190 million liters of milk and about 60 million liters of
cream. Before using the PUEHLER press, we had to manually open
every full piece of waste packaging. That was hardly productive.
With WEIMA, we have finally found the right partner for our task."
6 · March/April 2022 ¦ international-dairy.com
Steuri aptly described the stringent demands that the new
PUEHLER ReWork press meets: "As a food manufacturer, hygiene
is the be-all and end-all. WEIMA machines are user-friendly to
maintain, have CIP cleaning and comply with strict hygienic design
specifications. In addition to the high throughput, the WEIMA
system requires significantly less space than those of other providers
– a clear advantage for us."
Actual figures reflect the productivity of the WEIMA PUEHLER
G.300 ReWork: in the event of an accident, the machine empties
and compresses more than 3,000 liters of liquid per hour (with
1 liter cartons). The press is used for a throughput of approx.
15,000 units per week. Generally, most waste (approx. 90 percent)
is process-related and accrues when the filling operation is
stopped or restarted. In normal operation, the press processes the
waste from the last 24 hours within four hours.
Automated drainage operation
Up to 20 different employees operate the ReWork system during
the week. In order to further automate the processes, the machine
loading takes place via a compact lifting and tilting device. Like
the entire machine body and the discharge conveyor, it is made
of stainless steel. The milk cartons collected in plastic boxes are
then transported into the large hopper of the WEIMA PUEHLER
Emptied milk cartons
/international-dairy.com
