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District Cooling / Heating
Technology in Asia andWorldwide
Presented by Parsons Brinckerhoff (Asia) Ltd
Vincent Tse
February 2010
ASHRAE Distinguish Lecturer
Presentation
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Presentation Content
1. DCHS Introduction
2. DCHS Application Worldwide
3. DCHS Technology
4. Summary
5. Q & A
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1 DCHS Introduction
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DCHS Application
• High Cooling and/or Heating Load
demand
• Densely Populated Area
• Central Business / Commercial District
• University, Hospital and Industrial
Campus• Government Facilities
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2 DCHS Application Worldwide
Region DCHS in Operations
N. America over 1,000s
Europe over 100s
Asia over 100s
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DCHS in USA
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DCHS in USA
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DCHS in Europe
• Germany 40+
• Sweden 30+
•
France 15+• Italy 15+
• Holland 10+
•
UK 5+
• Denmark 2
• Norway 2
•
Spain 2• Finland 1
• Portugal 1
•
Austria 1
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DCHS in Asia
• Japan 150+
• Malaysia 6+
•
Singapore 5+• Hong Kong 3+
• China 5+
• Macau 3+
• Korea 2+
• Philippines 2+
•
Thailand 3+• S. Arabia 10+
• UAE 20+
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DCHS in Asia
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DCHS in Asia
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Forecasted Demand Growth
DCHS in Dubai
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DCHS in Dubai
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The Palm Islands -Jumeirah, Dubai
• world's two largest man-
made islands,
• large residential, leisureand entertainmentareas. The Palm Islands
have been named 'TheEighth Wonder of theWorld'.
• 136,800 TR
DCHS in Dubai
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The Palm Islands – Jumeirah, Dubai
DCHS in Dubai
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Why
there is a demand of DCHS Worldwide?
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WHY DCHS
• Less electricity consumption• Less pollution
• Less global warming
• Less refrigerant and CFC
• Environmental friendly and a greener earth
• Energy efficiency
• Reliability and Flexibility
• Better Space Utilisation• DCHS IS POLITIC AND IS ALSO A
BUSINESS
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3 DCHS Technology
3.1 Trigeneration (CCHP)
3.2 Cogeneratin (CHP/CCP/CCH)
3.3 CHW Production
3.4 Steam/HW Production
3.5 C W Heat Rejection
3.6 Thermal Energy Storage (TES)3.7 CHW/HW Distribution
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Boiler W H
Boiler
Heat
Exchanger
Conventional Trigeneration
Cooling+
Electricity
+Heating
Exhaust
Hot Water
Electricity+
Cooling
Fuel
Exhaust
Electricity
Generator
67 - 70% Exhaust Loss
30 - 33 % Electricity
100%Input
Fuel
Gas TurbineGenerator
20% Exhaust + Loss
100%Input
30% Electricity
50% Heat +
Hot Water
3.1 Trigeneration
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CHP CCP CCH
WHB
GT
AB
CH
CHW
FUEL
E
CHW
ST/CH
CHWWHB
GT
HX
ST
STEAM
E
FUEL
E
HW
WHB
GT
HX
AB
STEAM
CHW
FUEL
HW
CH CHW
3.2 Cogeneration
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Chiller Type and Combination
cooling
demandpattern
wasteheat
coolingload
energytariffs
steamturbineabsorption
directgas
fired
icemakingdirect drive
centrifugal
3.3 CHW Production
naturalresource
free coolingNH3CO2
cascade
hybrid
BRINCKERHOFFPARSONS
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3.4 Steam/HW Production
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3.5 CW Heat Rejection
• Seawater Cooling
• River/Lake Water Cooling
• Evaporative Cooling (Cooling
Tower)
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3.6 Thermal Energy Storage (TES)
Thermal Storage
coolingload demand
pattern
standbycooling
capacity
off-peakenergytariffs
time based
energytariffs
icestorage
chilledwater
storage
groundwater
storage
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Chilled Water Storage
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Ice Storage System
• Ice Harvesting
• Ice Slurry
• Ice Ball
• Ice on Coil
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Ice Storage System
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3.7 CHW/HW Distribution System
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4. Summary - District Cooling
Design Consideration
DCS Scheme
load
growthpotential
environmentalpriorities
costmodeling
Governmentpolicy
coolingload
profile
climateland issue
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DGovernment influence
Cost effective business
environment
Primary energy
Consumers
Energy efficiency Energy efficiency
Cost effectiveness Cost effectiveness
Minimal pollution Minimal pollution
Environmental Environmental comfort comfort
Better use of space Better use of space
Environmental Environmental
friendly friendly
I
S
T
R
I
C
T
C
OO
L
I
NG
4. Summary Goals of Promoting
District Cooling
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THANK YOU