sabroe packaged ammonia heat pump - systemlab.dksystemlab.dk/smartvarme/sabroe_pp.pdf · • unisab...
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SABROE packaged ammonia heat pump
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Ammonia - the natural choiceAmmonia has a number of characteristics which make it the ideal refrigerant for future refrigeration purposes:
• Ammonia is the only refrigerant with no negative impact on the environment
• No ozone depleting potential (ODP)
• No global warming potential (GWP)
• A well-known and acknowledged refrigerant which has been used safely in refrigeration for more than 100 years
• Ammonia has the best thermodynamic efficiency
• A natural refrigerant which easily breaks down into nitrogen
• If refrigerant leaks should occur they will be easy to detect, as the distinct smell of ammonia serves as a natural built-in alarm
• It is inexpensive and significantly cheaper than other refrigerants
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• Known technology and plant design• Better energy efficiency (COP)• Better heat transfer coefficient• Available and low-priced all over the
world• Non-mixable with oil• Less sensitive to humidity in the plant• Smaller compressor - same capacity• Smaller heat exchangers - same
capacity• Smaller circulated quantity
Why choose ammonia?What are the advantages?
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SABROE Ammonia heat pump compressorThe natural choice
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The natural choiceSabroe ammonia 40 bar heat pump compressors
Types HPO and HPC
Features:
• Ammonia is an ozone-friendly refrigerant• Heat pump systems reduce the CO2 emission• The series covers the entire water temperature range
up to 70°C.• Compared with CFC, HCFC and HFC systems you will
gain the following advantages:- higher efficiency (COP)- reduced compressor size- smaller evaporators- smaller condensers- smaller pipe and valve dimensions
• Capacity range: 100-1500 kW (one compressor)• Multiple applications
HPC104-106-108S
HPO 24-26-28
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Sabroe packaged ammonia heat pumps: Advantages• Compact design• Small ammonia charge• Evaporator and condenser in suitable materials • Efficient closed oil and oil recovery system • High COP and energy optimal solution even at part load• First charge of PAO5(P100) full synthetic oil• Unisab II - a complete control and monitoring system with
external communication facilities• Flooded system with ammonia gives an optimum thermal
solution and secures an optimum operating economy• Tested with ammonia before dispatch
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EOL - End Of Line Test centre
All units are tested with ammonia
A capacity test is available as an option
Specified performance is confirmedTrouble-free on-site start-up and operationShorter and safer start-up and commissioning periods
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Sabroe packaged ammonia heat pump: Application areas
Dairies Airports
Process IndustriesPoultry industries
Ice rinks
SlaughterhousesBreweries
District heating
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ApplicationsSabroe ammonia heat pump compressors are perfectly suited for a large number of applications, such as:
• Heat reclaim for hot/warm water production in ammonia refrigeration plants within the food industry (abattoirs, dairies, ice cream factories, fish processing, freeze drying, breweries, slaughter houses etc.)
• Condenser heat reclaim from refrigeration systems
• Upgrading of industrial waste heat for use in industrial processes, district heating, individual buildings, etc.
• Heat pump systems based on natural heat sources such as sea water, air and geothermal energy
• Special applications such as wood seasoning, fish drying, exhaust gas cooling in power plants, etc.
• Heating in ice rinks or other sports arenas.
• Hot water for baths and swimming pools.
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One-stage heat pump unit:Example: Brewery/district heating
Performance:Heating capacity 2131 kW Evaporating temperature +30ºCSink temperature in/out 60/70ºC Condensing temperature 73.5 ºCFlow 187 m3/h COP 5.6Shaft power 381 kW
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65ºC
55ºC
Two-stage heat pump unit:Combined chiller - heat pump unit
Performance:Cooling capacity 210 kW Sink temp. in/out 55/65ºCWater temp. in/out 15/8ºC Flow 25.5 m3/hChilled water flow 26.1 m3/h Shaft power LP compressor 29 kWHeating capacity 290 kW Shaft power HP compressor 53 kW
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Sabroe packaged ammonia heat pump:Cascade or water / one- or two-stage
One-stage HPO26 Twin
Two stage HPC108/SMC116 Twin
One-stage HPO28 Twin
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Sabroe packaged two-stage ammonia heat pump unit
Technical informationProduct-type : Heat pumpCompressor type : Reciprocating compressors Electrical options:Heat exchangers : Plate heat exchangers / Terminal box
shell & tube Control panel Refrigerant : R717, flooded Starter panel Capacity-range : 200 – 4000 kW (Low/high voltage, 50/60 Hz) Temperature range : 72oC water temperature Variable speed control
on condenser Softstarter Secondary media : Water Approval : PED, others on requestDesign-pressure : 40 Bar A
Two stage HPC108/SMC116 Twin
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Sabroe packaged two-stage ammonia heat pump unit
Technical information
Duty (Condenser) : 4000 kW / 72 OC
Media : Water
Number ofcompressors : 4
Power : 2x 250 kW / 2x 400 kWVoltage : 400 V
Two stage HPC108/SMC116 Twin
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Sabroe packaged ammonia heat pump: Application areas
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Sabroe packaged ammonia heat pump: Application areas
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Sabroe packaged ammonia heat pump: Application areas
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Sabroe packaged ammonia heat pump: Application areas
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Sabroe packaged ammonia heat pump: Application areas
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Sabroe packaged ammonia heat pump: Application areas
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Sabroe packaged ammonia heat pump: Application areas
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Sabroe packaged ammonia heat pump: Application areas
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Sabroe packaged ammonia heat pump: Application areas
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Sabroe packaged ammonia heat pump: Application areas
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Sabroe packaged ammonia heat pump: Application areas
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Sabroe packaged ammonia heat pump: Application areas
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NSPAC HPC108STraditional design of heat pump unit
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Safe use of ammonia plants
SABROE & YORK will support the use of natural refrigerants - invest and develop products for the purpose only!
SABROE & YORK will support the use of R717 for many years to come - and is therefore reluctant to see this unique refrigerant fall into discredit due to lack of knowledge.