IQF freezer – FLoFREEZE

Branko Pancer
August,8 th 2012
JBT FoodTech
IQF freezers
FLOFREEZ A
Our newest member of the Frigoscandia
freezer product line
Berries Intenational Conference 2012 – Talca, Chile
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Agenda
• History off company JBT FoodTech and FLoFREEZE
• IQF Product advantages ” FRESHER THEN FRESH”
– Freezing process
– Quality is control before freezer
• Fluidisation
• Tools to support fluidisation
• Operation time
• Hygiene
• LVS- Reducing losses in refrigerated energy
• New applications
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IQF FROZEN PRODUCT FRESHER THEN FRESH
Typical Products Frozen in FLoFREEZE® Freezer

Milestones
• 1950 Frigoscandia founded
• 1958 First IQF freezer – FLoFREEZE ® – gives birth to
Frigoscandia Equipment
• 1965 First GYRoFREEZE ® delivered
• 1979 Introduction of GYRoCOMPACT ® freezer
• 1987 Stein Inc. in US is acquired
• 1988 Acquisition of DSI Inc.
• 1993 First impingement freezer (Flat Product Freezer) delivered.
• 1994 Frigoscandia Group put on Swedish stock exchange
• 1995 Frigoscandia Group acquired by ASG Sweden (transport
company)
• 1996 Frigoscandia Group separated. Frigoscandia Equipment was
sold to FMC US
• 2008 Spin-off from FMC to JBT
Welcome to JBT
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Foodtech
20081029

History of FLoFREEZE
• 1959 Flat steel-bed freezer FIRST IQF
FREEZER was born
• 1960 Pilot freezer installed in Helsingborg
world ‘s first freezer with fluidisation for IQF
• 1962 FF-C First fluidisation freezer with
continuous defrosting using glycol
• 1965 FF –W Higher capacity with using
water for continuous defrosting
• 1965 FF M First prefabricated freezer
small size
• 1971 FF-MM base on FF-M principal but
for higher capacity
• 1971 FF-S Site build freezer for high
capacity French fries
• 1972 FF-B site build freezer with
fluidisation and steal belt for wide range of
products.
• 1975 It was introduce ADF for operation
12-14h /day
• 1975 FF-MA Production rationalisation and
modernization of FF-M and FF-MM
• 1987 FF-MC for medium and high size
capacity freezer with longer operation time
Sequential or ADF defrosting
• 1988 – IT WAS INSTALLED 1000
FLoFREEZER’S
• 1992. FFMX Patented prefabricated
fluidisation belt freezer for wide range of
product and HYGINE DESIGN- IQF TRACK
• 1999 FF –M and S model for replacement
of FF-MC and FF-MX for entire product
range in single freezer
• 2003 Patented Control air flow
• 2009 FFA new version of FFS modular
segments
• 2010 FFM S sequential defrosting system
for capacity above 7.5 t/h peas
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New message to the market

No Seasons
• Fresh product all around
the year

• Value added product
New possibilities

Application: Constant feeding
The FF can not produce more than
what is fed into the freezer.
Constant capacity every minute
• Buffer
• Flow scale belt
• Counter

In the process
reduce
temperature by
cooling water,
evaporative
cooling etc.
Precool product
(air cooling)
Application: Infeed temperature

Application: Remove surface water
FLoFREEZE can not IQF freeze Liquid
• Shaker (one /two levels)
• Blower
• Vacuum
• Fluidization
• Combination

Freezing process

Crystallization proces of water

Latent zone -crystallization

Size of ice crystals
at different freezing time

Drip loss during thawing

Freezing process in two freezing
zones

Temperature in the product

Dehydration during freezing
process

Temperature at outfeed

Every product is unique
To get best quality of product
during freezing is requested
special conditions
WE ARE BUILDING FREEZER
FOR EVERY NEED
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Fluidization
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Controlled Fluidisation
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Particles in natural formation
Particles in fluidised state

Fluidisation support
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The Two Zone Freezing Process
°C
+20
0
-18
Entire freezing process over two product zones
Τ1
I-step
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Τ 2
II-step

FLoFREEZE IQF Track
• Conveyor and fluidization restriction in one piece
• Open hinge design for hygiene
and a minimum of dead zones
• Modular belt for easy maintenance/replacement
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• Optimized hole pattern for perfect fluidization
• Conical holes for increased hygiene
•Every two rods are Acetal, every two rods are ss

Air Pulsation
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Air Bypass Pulsator
Air flow
Pulsator reduces over blow from
the bed and increases airflow
through the evaporator since
airflow through the evaporator is
not bypassed
Frequency and Amplitude
Normal (pulsator closed)
Time
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Evaporator
Fan
Pulsator
Fluid Bed
Air by-pass pulsator

Belt Agitation
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Application: Agitation
Product:
• Long
• Irregular
• Juicy
• Sticky
Negative
Effect:
• Corals

Optimized Fluidization on
First Track
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The FLoFREEZE IQF Track Principle
1
Air Modulators
6
2
5
7
3
Crust frozen product surface when leaving track 1
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4
1. Product infeed
2. Track 1
3. Weir
4. Track 2
5. Track Agitation
6. Variable Fluidization
7. Pulsation
•Divided pressure chambers
•Increased air flow in first section
•Better degree of IQF

Air Modulator
Product direction
It is possible to adjust the fluidization in the different parts of Track 1 by
exchanging and/or relocating air modulator sheets.
The different air modulator sheets are provided with different open area and
thereby letting more or less air through.
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Operating Time
-ADF
-Snow Handling
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Air Defroster, ADF
• Longer production time, min 22 h, at rated capacity
• Controlled by plc
• Saves space of the freezer
• Saves refrigeration duty requirement
• Easy to clean
• Reliable
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Air Defroster, ADF
Defrosting
The Air Defrost (ADF) gives greatly
prolonged operating time between
defrosts. Minimum 22 hour operation
between defrost for most applications
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LVS(Low Volume System)
• Saving energy
• Reducing amount of NH3 ( 1/3)
• Saving cost of investment in refrigeration
system
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Frigoscandia’s Low Volume System
No liquid in riser means low
predictable pressure drop
Reduced refrigerant charge in factory -
about 50% of pumped system, much
less than gravity
No feed valves or
pumps to adjust –
flow rates are
optimised in design
Dry suction line
Liquid feed
Small pressure
drop through
coil plus correct
flow rate gives
optimum
performance

Hygiene
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Hygiene-by-Design
• Open Design, open profiles
• All-stainless steel surfaces and easy
access everywhere, make cleaning an
easy job – supporting full Food Safety and
ensuring minimum downtime
• Smooth sloping surfaces, together with
strategically placed hatches and drainage
holes, make defrosting as easy as
cleaning
• Tracablility on all materials in food contact
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Hygiene-by-Design
Cleaning
Smooth, all-stainless steel surfaces
and easy access everywhere
throughout the freezer, makes
cleaning an easy job. This adds up
to full food safety and a minimum of
downtime.
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FLoFREEZE ® A IQF Freezer
The FLoFREEZE ® A IQF Freezer provides true fluidization, thus
enabling all products to be individually frozen, which results in
superior product quality
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www.jbtfoodtech.com
JTB FoodTech Andean, Santiago – Chile
Contact Person: Ing. Sergio Peña y Lillo
Tel.: +(2) 820 42 45
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