Tetra Pak Tetra Therm Aseptic VTIS
line with Tetra Alex TA400 homogeniser. Aseptic processing unit for
continuous UHT treatment with direct steam injection. Mainly for
heat-sensitive low-acid products such as milk, enriched milk, cream,
soy milk, formulated dairy products, ice-cream mix, dairy desserts as
well as ESL (extended shelf life) products. Previously used in a milk
factory in Europe., The unit is fully automated to safeguard the
aseptic status while in production. The operation can be divided into
four steps:, - Pre-sterilization, - Production, - Aseptic intermediate
cleaning (AIC), - Cleaning in place (CIP), Before production can
start, it is necessary to sterilize the aseptic area by circulating
pressurized hot water. After sterilization, the unit is cooled down to
production temperature. Finally, sterile water is circulated through
the product circuit., Production starts by filling the unit with
product via the balance tank. The product displaces the water/product
mix to the drain or reject tank. A specially designed balance tank and
valve arrangement minimizes the amount of mixed product., When an
aseptic tank or filling machine is ready, production can start. The
product is regeneratively pre-heated to about 80 °C in a Tetra
Spiraflo tubular heat exchanger. Instant heating to sterilization
temperature takes place in the steam injector by continuous injection
of high pressure steam into the product., The product enters a holding
tube where it is held at sterilization temperature for the required
period of time. The product then enters the flash vessel where the
pressure and temperature drop instantly. The excess water in the form
of steam is flashed off., For optimal product stability, the product
passes through an aseptic homogenizer before final cooling in the heat
exchanger., Aseptic intermediate cleaning (AIC) can be performed to
prolong the production time between full CIPs. When AIC is selected,
the product is displaced by sterile water before cleaning starts.
During the AIC sequences, the holding tube is kept at the
sterilization temperature, thus keeping the aseptic parts of the unit
sterile. The AIC can be performed either with lye only or lye and acid
flush. After each production run, the unit undergoes CIP with both lye
and acid. If the product supply fails or a stop at a filling machine
occurs, the unit goes into sterile water circulation., Standard
temperature programs for white milk: 5 - 80 - 140 - holding 4 seconds
- 81 - homogenization - 20/25°C., The current line existing out of:,
High Pressure Homogeniser, Manufacturer: Tetra Pak, Model: Tetra Alex
400, Capacity: up to 15.000 ltr/h @ 400 bar, Year: 2016, Serial
number: 5871116178, Motor: 400 V - 50 Hz - 340 A - 200 kW - 1.488 rpm,
Parts of the homogeniser block, 2x pistons, pulley on the drivework
and hydraulic system are missing, see photos., Expansion vessel for
flash cooling with built-in condenser, Manufacturer: Bujalski in the
name of Tetra Pak, Model: ZBB-11-1, Year: 2016, Serial number: 160333,
Capacity: 1.220 liter, Max. allowable pressure: 3,5 bar, Min.
allowable pressure: -1,0 bar, Max. allowable temperature: 148 °C,
Min. allowable temperature: 0 °C, Weight: 530 kg, Design code:
EN-13445-3:2014, Skid 01 (CP11), - Centrifugal pump (Alfa Laval
LKH-25, 11 kW, impellor 205 mm, serial nr: 199787)., - Centrifugal
pump (Alfa Laval LKH-50, 15 kW, impellor 190 mm, serial nr: 200136).,
- Flowplate., - Control panel (T5844130774, 3544-1264)., Skid 02
(CP51), Direct heating module with:, - Steam injector for direct
heating of the product., - Centrifugal pump (Alfa Laval LKH-25, 15 kW,
impellor 205 mm, serialnr 200788)., - Vacuum pump (SIHI, LEMB 161
8Z)., - Valves, pipes, fittings., - Control panel with regulator 01
and 02 (T5844130774, 3544-1264), Skid 03, Steam feed supply skid with
2x Samson valves and some additional piping and valves., Plate Heat
Exchanger:, Manufacturer: Tetra Pak, Model: MS10-SM, Year: 2016,
Serial number: 30109-16228, Volume: 250 liter, Pressure: 0/16,0 Bar,
Temperature: 0/150 °C, Number of Sections: 2x, Plate heat exchanger
for cooling of recirculating water for the condenser in the expansion
vessel., Tubular Heat Exchanger 01, Manufacturer: Tetra Pak, Model:
C-85, Year: 2016, Serial number: 1163426 01-21, Product: Fluid II,
Design pressure PS Shell 0-16 bar and Tubes 0-40 bar, Design
temperature Shell 0-180°C and Tubes 0-180°C, Volume Shell 352,4
liter and Tubes 243,4liter, Test pressure PT Shell 25,6 bar and Tubes
64 bar, Tubular Heat Exchanger 02, Manufacturer: Tetra Pak, Model:
C-85, Year: 2019, Serial number: 1193240 01-11, Product: Fluid II,
Design pressure PS Shell 0-20 bar and Tubes 0-40 bar, Design
temperature Shell 0-180°C and Tubes 0-180°C, Volume Shell 187 liter
and Tubes 126,6 liter, Test pressure PT Shell 32 bar and Tubes 64 bar,
Excluded in the UHT:, - Product balance tank with level control and
product bowl., - Flow meter for water., - Flow meter for product., -
Brazed pla...
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