GEOTHERMAL HEAT PUMPS IN JAPAN - AIST...Heat pump Swimming Pool (Misawa Kankyo ) Geothermal Snow...
Transcript of GEOTHERMAL HEAT PUMPS IN JAPAN - AIST...Heat pump Swimming Pool (Misawa Kankyo ) Geothermal Snow...
Current Trend in Ground Source Heat Pumps in Japan
Masakatsu SASADAGeo-Heat Promotion Association of Japan
5-29-20 Ogikubo, Suginami-ku, Tokyo 167-0051, Japan
e-mail: [email protected]
Ground Source Heat Pumps
Closed loop Open loop
Heat Pump Heat Pump
Aquifer
Bo
reh
ole
Hea
tEx
chan
ger
Open-loop102 in 2009149 in 2011
Closed-loop474 in 2009836 in 2011
(Ministry of the Environment, 2010)
Facilities using Ground Source Heat Pump Systems
住宅, 434
公共施設, 72学校, 40
幼稚園・保育施設, 15
病院・医療施設, 19
福祉施設, 12
事務所, 114
店舗, 40宿泊施設, 35
温浴施設, 16
工場, 28
道路(融雪), 59
駐車場(融雪), 2
農業施設, 33実験施設, 44
地域冷暖房施設, 1
その他, 26
地中熱ヒートポンプシステムの設置状況 【1981-2011年】
総数:990件
(Ministry of the Environment, 2012)
House 434
Public Building 72School40
Kindergarten & Nursery 15
Hospital 19
Welfare Facility 12
Office 114
Shop 40Hotel 35
Spa Facility 16
Total 990
Factory 28
Parking Lot (Snow Melting) 2
Road (Snow Melting) 59
Agriculture 33
Exper. 44
District Heating & Cooling 1
Others 26
Ground source Heat Pump Systemsfor Houses
(Asahi Kasei Homes)
Ground Source Heat Pumps for Public Building
Kasukabe City Hall, Saitama Pref.
Commercial Facility of JP Tower in front of Tokyo Railway Station
Ground Source Heat Pump Systemfor School
Kuromatsunai Elementary School in Hokkaido
Swimming pool at the school, Morimura Gakuen
Heat pump
Swimming Pool
(Misawa Kankyo )
Geothermal Snow Melting Systems
Yamagata Pref. (Japan Groundwater Dev. Co.)
Aomori Pref. (Misawa Kankyo)
Snow melting system under construction(JGD)
(Misawa Kankyo)
District Heating and Cooling for “Tokyo Sky Tree Town”
Ground source heat pump system and the Diet Members
Ground heat exchangerunder construction(Taisei Corporation)
( Tobu Railway Co. )
Number of Facilities using Ground Source Heat Pump
(Ministry of the Environment, 2012)
Hokkaido 322
Aomori 50
Iwate 72Akita 49
Tokyo 87 Legend
Annual Installation for HybridAnnual Installation for Open LoopAnnual Installation for Closed LoopTotal Installation for Closed LoopTotal Installation for Open LoopTotal Installation for HybridTotal Installation for All
Number of Facilities using Ground Source Heat Pump
An
nu
al I
nst
alla
tio
n
Cu
mu
lati
ve N
um
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of
Inst
alla
tio
n
1981-2011 yr
(Ministry of the Environment, 2012)
System Capacity of Ground Source Heat Pump
Annual capacity for HybridAnnual capacity for Open LoopAnnual capacity for Closed LoopCumulative capacity for Closed LoopCumulative capacity for Open LoopCumulative capacity for HybridCumulative capacity for All
Cu
mu
lati
ve c
apac
ity
An
nu
al c
apac
ity
1981-2011 yr
Total Length of Ground Heat Exchangers
Annual total length of GHE
Cumulative total length of GHE
An
nu
al t
ota
l le
ngt
h o
f G
HE
Cu
mu
lati
ve t
ota
l le
ngt
h o
f G
HE
Number of Ground Heat Exchangers
Single U-tube
Double U-tube
Coaxial
Pile
Depth (m)
Nu
mb
er
Power-saving by Ground Source Heat Pump
(JFE Steel Welded Pipe Manufacturing Co.)
Space Cooling(July 15, 2009)
Space Heating(March 2, 2010)
Elec
tric
ity
a d
ay
Air
So
urc
e H
eat
Pu
mp
Air
So
urc
e H
eat
Pu
mp
Gro
un
d S
ou
rce
H. P
.
Gro
un
d S
ou
rce
H. P
.
Energy Conservation and CO2 Reduction
在来システム
地中熱
46%削減
0
100
200
300
400
500
GJ/年 エネルギー消費量
在来システム
地中熱
0
10
20
30
t/年 CO2発生量
50%削減
※在来システム 冷房:空冷チラー、暖房:灯油ボイラー、融雪:電熱線
( Mitsubishi Materials Techno )
Ground source heat pump systemfor space heating and cooling,and snow melting at HirosakiTown Center
Energy consumption CO2 emission
ReductionReduction
Co
nve
nti
on
al S
yste
m
Co
nve
nti
on
al S
yste
m
Ge
oth
erm
al
Ge
oth
erm
al
GJ/yr t/yr
Conventional System :Air-source chiller, Oil boiler and electric heater
0
500
1000
1500
2000
2500
3000
11月 12月 1月 2月 3月 4月 5月 6月 7月 8月 9月 10月
地中熱
H20-H21
空気熱
H17-H19
Electricity, kWh
Energy Conservation for Office Building in Tokyo
Ground SourceHeat Pump2008-2009
Air SourceHeat Pump2005-2007
Parking Lot where 8 ground heatexchangers of 75 m in length aresettled
Ground source and air source hybrid heat pump
Electricity consumption of ground- and air-source heat pumps(Sasada, 2010)
Current Trend for GSHP
190 20 40 60 80 100 120
Office
Public Building
Road (Snow Melting)
Experiment
School
Shop
Hotel
Agriculture
Factory
Hospital
Spa and Swimming Pool
Kindergarten and Nursery
Welfare Facility
Parking Lot (Snow Melting)
District Heating and Cooling
Others
Subsidary Application from 2011 to 2013
Installation Number up to 2011
Japan Sport Council
New National Stadium for 2020 Olympic and Paralympic