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Nuremberg, 16 October 2008
Natural & Smart
environmentally – friendly and economical solution
for
the Slaughterhouse Ulm
Nuremberg, 16 October 2008
Natural & Smart
Project description
Location: Ulm, South of Germany
Type: Pig slaughterhouse
Designed capacity: 330 pigs / hour
Product temperature: ~ from 40°C to 7°C
Chilling time: ~ 10 hours
Chilling process
Step Duration Prodroduct temp. Air temp.
Entering chamber ~ 25 min 40°C - 36°C ~ + 4°C
1st Chilling chamber ~ 55 min 36°C - 25°C ~ -10°C
2nd Chilling chamber ~ 30 min 25°C - 20°C ~ - 5°C
Tempering chamber ~ 490 min 20°C - 7°C ~ 0°C / +2°C
Nuremberg, 16 October 2008
Natural & Smart
Refrigeration Plant
Refrigerant: ammoniac
System: NH3 pump circulation with two(2) evaporation-temp. levels, aircooled condensor, glycol
system & heat recovery via the oilcoolingsystem
1st evaporating temp.: -20°C
2nd evaporating temp.: -10°C
condensing temp.: +45°C
Glycol system: +2°C / -3°C, connected to the -10°C circuit
Refrigeration Capacities
System required installed type of screw compressors
-10°C 1.470 kW 1.500 kW 4 each SABCube 133N
-20°C 429 kW 495 kW 2 each SABCube 133N
Nuremberg, 16 October 2008
Natural & Smart
Why does our client choose the smart solution
the SABCube 133 N
Features Benefits
1. High part load performance reduced power consumption
2. no starting current peaks reduced operational cost
3. accurate and better control stable evaporation temp.
4. Less moving parts like slide higher reliability
valve, motor bearing,oil pump reduced maintenance cost
5. Low noise evel no cost for acoustic reduction
requirements
6. Small footprint lower building cost
Nuremberg, 16 October 2008
Natural & Smart
The compressor block
discharge side
Suction side
main rotor
side rotor
Nuremberg, 16 October 2008
Natural & Smart
Part load comparison at 0/40 (without eco.)
approx. 300 m3/ hour swept volume
0
20
40
60
80
100
0 20 40 60 80 100
Capacity [%]
Po
we
r co
nsu
mp
tio
n [
%]
SABCube 109-6000SAB 128 HMGrasso E-52Mycom 125L-MRXF 39Howden XRV 127R1Bitzer HSK7471-90-40P
Nuremberg, 16 October 2008
Natural & Smart
SABCube 109 true size comparison
LxWxH = 2.0 x1.15x1.6
Mycom 125L
LxWxH = 2.8x1.3x1.860% bigger footprint
(plus starter panel)
GEA Grasso SH series
LxWxH = 2.0x1.0x1.8
Equal footprint
(plus starter panel)
Multi package with
Bitzer
LxWxH = 3.1x1.5x2.2200% bigger
footprint
LxWxH = 2.0x1.15x1.6
LxWxH = 2.0x1.15x1.6
SABCube Competition