March/April 2023 - 13

FOOD HANDLING
 The HEWA 3800 is an all-purpose, helical washing machine designed for continuous pre-washing, washing, disinfection, mixing, treatment and rinsing of lettuce, other
vegetables and fruit. Photo: Melanie Epps
Taking hygienic design to the
next level
By Melanie Epp
Contributing Writer
IMPROVING HYGIENE and limiting
the development and spread of harmful
bacteria is an integral part of new food
processing equipment development.
German manufacturer Kronen puts
hygienic design at the forefront of the
processing equipment it develops.
The new HEWA 3800 washing machine
is no exception. General Manager Russell
Quandt explained what factors were
considered during the design phase and
how individual features combine to take
the washing machine to the next level of
hygienic design.
The HEWA 3800 is an all-purpose,
helical washing machine designed
for continuous pre-washing, washing,
disinfection, mixing, treatment and
rinsing of lettuce, other vegetables and
fruit. The machine is a step up from an
earlier model, the GEWA 3800 PLUS.
Similar to the earlier model, HEWA
3800 has the capacity to process 2,500
kilograms (or around 5,511 pounds) of
product per hour. Where it deviates,
though, is its focus on the most advanced
hygienic design technology.
" To do the things we wanted to do to
improve the GEWA turned out to be a
whole new machine, " Quandt said in an
interview at Fruit Logistica 2023 in Berlin,
where the HEWA 3800 was launched.
" The performance of it is just as good or
better. The reliability is the same, the
usability is the same. But putting all these
new innovations for a higher hygienic
level of design and ease of cleaning just
required a new model. "
Kronen's first aim was to improve the
washer's water management system. Its
experts believed that the best way to
enhance hygiene was to improve access
to the machine's inner workings.
Most processors face extreme time
constraints when it comes to sanitization.
Oftentimes, sanitation is the responsibility
of an outside cleaning crew that comes in
during the wee hours of the night. Turnover
PRODUCE PROCESS ING
13

March/April 2023

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