“refrigeration applications - eurammon required installed type of screw compressors-10 c 1.470 kw...

“Refrigeration Applications

with Natural Refrigerants”

by

Natural & Smart

by

Detlef A. Lukas, Dipl. Ing., Johnson Controls

Nuremberg, 16 October 2008

Natural & Smart

• natural

• environmentally – friendly

• ammoniac


Natural & Smart

• smart

• economical solution

• SABCube


Natural & Smart

environmentally – friendly and economical solution

for

the Slaughterhouse Ulm


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


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


Natural & Smart

P & ID


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


Natural & Smart

What is a SABCube???


Natural & Smart

All in one


Natural & Smart

SABCube - principle


Natural & Smart

The compressor block

discharge side

Suction side

main rotor

side rotor


Natural & Smart

Hybrid Permanent Magnet (HPM®) drive motor


Natural & Smart

SABCube main panel


Natural & Smart


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


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


Natural & Smart

“refrigeration applications - eurammon required installed type of screw compressors-10 c 1.470 kw...

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