PET Food Processing - September 2022 - 44

EQUIPMENT
ten uses mechanically deboned or separated animalbased
proteins, according to Jordan, which tend to have
higher fat-to-protein ratios than what are typically used
in human food products. Because fat does not relinquish
water as easily as protein, using a protein source that is
higher in fat can slow down the dehydration process and
result in a more time-consuming and costly operation.
" Sometimes, there is a play to be made on increasing
Marlen's Industrial
Dehydrators are
balanced before
delivery and
installation, resulting
in an up to 2% yield
increase compared
to unbalanced
systems.
Marlen
cult to move air through the product vertically, so processors
must create what are called breakpoints inside
the oven to create a horizontal airflow. By using a combination
of low and high velocity airflow on opposite sides
of the oven, the goal is to get those streams to collide and
create a horizontal airflow through the use of different
fan and duct configurations.
To help processors configure these breakpoints,
Fusion Tech offers a Total Flow Control (TFC) feature
for its ovens that allows operators to change and manipulate
airflow inside the oven. It also controls the length
of time for certain breakpoints or how long a product
spends in a particular zone, all managed through a control
panel and linked to a saved recipe. This not only
helps to ensure consistency from product to product and
batch to batch, but also maximizes the efficiency of the
oven and the operator's control of airflow.
Additionally, raw material inputs can have a direct
impact on processing times. The pet food industry ofAn
exhaust system is necessary to remove evaporated water from
the process, especially in a system that uses microwave energy.
ALKAR-RapidPak, Inc.
input costs from a raw material standpoint that could
substantially reduce cook times, therefore increasing efficiency, "
Jordan said. " If we can take an 11-hour thermal
processing cycle down to nine hours, all of a sudden that
processor has doubled their efficiency, effectively getting
two turns per day in their oven instead of one. "
Taking variation out of the equation
Achieving this perfect balance is no easy task. To this
end, suppliers in this space are fine-tuning their systems
to offer more reliable air circulation.
Marlen's ovens, for example, are balanced prior to
delivery and installation and remain permanently balanced,
reducing the need for operators to continually
check for proper airflow. The airflow in Marlen ovens is
programmable, which allows operators to make small
adjustments from product to product - and save those
parameters for future runs - through the control panel.
" Permanent balance means that the airflow in
the oven is always balanced to design specification, "
Wimmer said. " Studies have proven a 1.5% to 2.0% yield
increase in a balanced dehydrator/oven versus an unbalanced
dehydrator/oven. "
According to King, some companies will elect to run a
batch process rather than a continuous process to guarantee
consistency. In today's tight labor market, running
a batch process necessitates more people to unload,
clean and reload the oven, creating more downtime for
an already drawn-out process.
" It's not just global demand that is pushing pet treat
manufacturers toward automation, " Wimmer noted. " As
labor shortages continue, automation becomes increasingly
important. Marlen has options for automating
dehydrators and offers a wide array of water and steam
cooking options for the pet food and treat industry. "
For pet food and treat companies looking to enter the
dehydrated category, King recommended operators and
quality assurance teams meet first to discuss how to ensure
the intended process meets product characteristics and
food safety standards while being consistent and reliable.
" All this takes more time and expense compared
with throwing everything into an extruder, but we
wholeheartedly believe it's worth it to make a superior
product and we absolutely prioritize quality over cost, "
Postins concluded.
44 PET FOOD PROCESSING | September 2022 | www.petfoodprocessing.net
PFP
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PET Food Processing - September 2022

Table of Contents for the Digital Edition of PET Food Processing - September 2022

PET Food Processing - September 2022 - Intro
PET Food Processing - September 2022 - FALSE COVERa
PET Food Processing - September 2022 - FALSE COVERb
PET Food Processing - September 2022 - 1
PET Food Processing - September 2022 - 2
PET Food Processing - September 2022 - 3
PET Food Processing - September 2022 - 4
PET Food Processing - September 2022 - 5
PET Food Processing - September 2022 - 6
PET Food Processing - September 2022 - 7
PET Food Processing - September 2022 - 8
PET Food Processing - September 2022 - 9
PET Food Processing - September 2022 - 10
PET Food Processing - September 2022 - 11
PET Food Processing - September 2022 - 12
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PET Food Processing - September 2022 - 14
PET Food Processing - September 2022 - 15
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