malmberg water peter bäckström
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TRANSCRIPT
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IT IS PROFITABLE
TO COOPERATE
WITH THE NATURE
www.malmberg.se
ISA Stockholm 2009-03-20
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• Peter Bäckström
• Business Area Manager GeoEnergy
• Malmberg Water AB
ISA Stockholm 2009-03-20
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Natural solutions taking care of man and the environment
Why Malmberg?
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water treatment
drilling
waste management
biogas
geoenergy
140 years with focus on water
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Biogas for green electric power
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• heating-/cooling plants with
energy storage
• heat pump systems
• 30 years of experience
• Malmberg standard
Sustainable energy
geoenergy
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Vällingby Centrum
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• Client - Svenska Bostäder AB
• City modernization project 300 million EUR
• 185 000 m2 total area
•Sustainable, low carbon energy
• Replaces / completes district heating
• Cooling demand design criteria
Vällingby Centrum
Media central heating/cooling
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Large scale rock storage
Media central heating/cooling
HEX
PEAKHEAT
PRINCIPLE
NATURAL HEATING/ COOLINGWITH ROCK STORAGE
COOLING DEMAND
< 80%free cooling
HEAT PUMP
HEATING DEMAND
<60%from the rock storage
1 part ofel. power
2 parts ofnatural energy
3 partsof heat
bore holes
HEX
ENERGY BALANCE(example)
AIR COOLER
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Vällingby Centrum
Centre of Chemistry in Lund
Benchmarkedmedia central
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153 bore holes, depth 230 m
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• Turnkey contract
• 1.8 MW cooling / 1.75 MW heat
• Investment 4,5 million EUR incl. the rock
storage
• Installation period 18 months
• 153 bore holes, 230 m deep
• Free cooling 1.2 MW
Centre of Chemistry in Lund
ReferenceCentre of Chemistry in Lund
Media central heating/cooling
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Vällingby Centrum
New car parking on top of the rock storage
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Vällingby Centrum
Plenty of space ?
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Vällingby Centrum
Crane for heavy components