Cooling by TES

■ Topics on TES from Japan
after the 7２th EXCO Meeting (Aibling, Germany)
Big problem : Japanese Energy Condition
・Destroyed Nuclear Power Plant (4 Reactors)
by “Earthquake and Tumani” on March 11, 2011
We can not to operate NPP after Periodical Inspection
because of Social Condition
・Every Nuclear Power Plants in JAPAN
sttoped on May 5, 2012
(54 Reactors : total 48.88 million kW)
Transitions in the Electric Power supply by 10 Japanese Utilities
nuclear
(29% ; 2009)
■Comparison Electric comsumption situation
( on Peak Load day) of several Building which has
TES HVAC System
between bifore the Disaster and last year (after
the Disaster : We had to save the electric demand)
Daiich Seimei Insurance Co. Ltd
Kawagoe Office Building
Kawagoe City in Saitama Prefecture 7,001㎡（8F）
戸塚センター（神奈川県横浜市）
350
13th, September, 2011 (Tue)
▲24％
Reduction
Electric demand (estimate)
300
without TES HVAC System
250
Electricity ［kW］
200
Electric demand (measured)
13th, September, 2011 (Tue)
150
Cooling for TES
( night time operation)
Cooling by
Refrigirator Operation
100
50
Lighting & Outlet, etc.
0
22
23
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
［h］
Cooling Load & Refrigirator Ope. ［kW］
Daiich Seimei Kawagoe
500
450
HVAC System (Building Side)
Cooling Load
400
350
AHP
300
250
200
Cooling by
TES(34%)
Cooling for TES
( night time operation)
HX
150
Daiich Seimei Insurance Co. Ltd
Kawagoe Office
100
Cooling by
Refrigirator Operation
50
0
22
0
2
Instrment
4
6
Number
10
12
14
16
18
20
ICE TES
［h］
Specification
BHP
Cooling (night time Ope.)
Capcity
(Day time Ope.)
143 kW
１
Cooling Capcity
315 kW
Brine( S)
Secondaly Water(S)
１
TES Volume ／
TES Capcity
20m３/
4,923kWh
Brine( R)
Secondaly Water(R)
Air-Cooled
Brine HP BHP-1
１
Air-Cooled
HP Chiller AHP-１
ICE TES
8
201 kW
Totsuka Center（ Community Center, Community Library,
Recreational Facilities, etc.)
Yokohama City 7,916㎡（4F、B1）
戸塚センター（神奈川県横浜市）
Electric demand (estimate)
300
without TES HVAC System
▲17% Reduction
Electric demand (measured)
17th, July, 2011 (Sun)
Electricity ［kW］
250
200
150
Cooling for TES
( night time operation)
Cooling by
Refrigirator Operation
100
50
Lighting & Outlet, etc.
0
22
23
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
［h］
Cooling Load & Refrigirator Ope. ［kW］
Totsuka Center
400
17th, July, 2011 (Sun)
HVAC System (Building Side)
Cooling Load
350
300
HX
250
Cooling by TES
(81%)
Cooling by
Refrigirator Operation
200
150
100
50
Cooling for TES
( night time operation)
0
22
Instrment
AirCooled
Brine HP
ICE TES
0
2
4
6
8
10
２
14
16
18
20
［h］
ICE TES
Specification
Number
２
12
Cooling
Capcity
BHP-1
(night time
Ope.)
93.4 kW
(Day time
Ope.)
124.5 kW
Heating Capacity
146 kW
TES Volume ／
TES Capcity
14.62 m３/
900 kWh
BHP-2
Brine( S)
Secondaly Water(S)
Brine( R)
Secondaly Water(R)
Ion Mall Sakai Kita-Hanada
Sakai City (Floor area 171,055㎡,
Central HVAC area 73,111 ㎡, 5F)
14th, Aug, 2011 (Sat)
▲5% Reduction
Electric demand (estimate)
9,000
without TES HVAC System
8,000
Electric demand (measured)
15th, July, 2011 (Fri)
7,000
Electricity ［kW］
6,000
5,000
Cooling by
Refrigirator Operation
Cooling for TES
4,000
( night time operation)
3,000
Lighting & Outlet, etc.
2,000
1,000
22
23
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
［h］
Cooling Load & Refrigirator Ope. ［kW］
8,000
7,000
Ion Mall Sakai
14th, Aug, 2011 (Sat)
HVAC System (Building Side)
Cooling by
TES(40%)
6,000
5,000
Cooling Load
Cooling for TES
( night time operation)
4,000
HX
3,000
2,000
Cooling by
Refrigirator Operation
1,000
0
22
0
Instrment
2
4
2
INV. Turbo Refg,
ITR-1
ICE TES
8
10
1
5
12
14
16
18
20
［h］
Specification
Number
Brine Turbo Refg,
BTR-1～2
6
ICE
TES
Cooling night time Ope.
Capcity
day time Ope.
2,004kW
Cooling
Capcity
12℃ Out
3,200kW
7℃ Out
2,620kW
TES Volume ／
TES Capcity
2,919kW
140m３
/6,960kWh
BTR-1
ITR-1
BTR-2
Brine( S)
Secondaly Water(S)
Brine( R)
Secondaly Water(R)
Housei Univ. （Tama Canpus）
Machida City in Tokyo (127,162 ㎡)
3,000
Electric
demand (estimate)
without TES HVAC System
▲17% Reduction
2,500
Electric demand (measured)
15th, July, 2011 (Fri)
Electricity ［kW］
2,000
1,500
Cooling for TES
( night time operation)
Cooling by
Refrigirator Operation
1,000
500
Lighting & Outlet, etc.
0
22
23
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
［h］
Cooling Load & Refrigirator Ope. ［kW］
Housei Univ.
1,200
15th, July, 2011 (Fri)
HVAC System (Building Side)
Cooling Load
1,000
800
HX-1
600
Cooling by TES
(84%)
400
Cooling for TES
200
HX-2
Cooling by
Refrigirator Operation
( night time operation)
0
22
0
Instrment
AirCooled
Brine HP
1～5
ICE TES
2
4
6
8
２
12
14
16
18
20
［h］
Specification
Number
５
10
Cooling
Capcity
ICE TES
(night time
Ope.)
203 kW
(Day time
Ope.)
260 kW
BHP-1～5
Heating Capacity
236 kW
TES Volume ／
TES Capcity
151.2 m３/
9,670kWh
Brine( S)
Secondaly Water(S)
Brine( R)
Secondaly Water(R)
Chuuou Univ. （Tama Canpus）
Hachiouji City in Tokyo (160,000 ㎡)
9,000
15th, July, 2011 (Fri)
8,000
Electric demand (estimate)
▲20% Reduction
7,000 without TES HVAC System
Electric demand (measured)
15th, July, 2011 (Fri)
Electricity ［kW］
6,000
5,000
4,000
Cooling for TES
3,000
Cooling by
Refrigirator Operation
( night time operation)
2,000
1,000
Lighting & Outlet, etc.
0
22
24
2
4
6
8
10
12
14
16
18
20
［h］
Cooling Load & Refrigirator Ope. ［kW］
10,000
9,000
HVAC System (Building Side)
Cooling Load
Chuuou Univ.
15th, July, 2011 (Fri)
8,000
氷蓄熱槽1
水蓄熱槽1
7,000
6,000
Cooling by
TES(30%)
5,000
4,000
Cooling for TES
( night time operation)
3,000
BHP1～2
2,000
Sub-StationⅠ
Cooling by
Refrigirator Operation
1,000
0
22
24
2
4
6
8
10
12
14
16
18
AHP1～2
20
［h］
HVAC System (Building Side)
氷蓄熱槽
2
水蓄熱槽
2
AHP3～4
BHP3～4
Sub-StationⅡ
TR-1
Meiji Pharmaceutical Univ.
Kiyose City in Tokyo (45,988 ㎡)
2,500
15th, July, 2011 (Fri)
Electric demand (estimate)
2,000
▲14% Reduction
without TES HVAC System
Electricity ［kW］
Electric demand (measured)
15th, July, 2011 (Fri)
1,500
Cooling for TES
( night time operation)
1,000
Cooling by
Refrigirator Operation
500
Lighting & Outlet, etc.
0
22
23
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
［h］
Cooling Load & Refrigirator Ope. ［kW］
1,800
Meiji Pharmaceutical Univ.
Cooling Load
HVAC System
(Building
Side : 24h cooling Zone)
④放熱
(Building Side :
8h cooling Zone)
1,600
②夜間蓄熱
15th, July, 2011 (Fri)
1,400
Cooling by
TES(33%)
1,200
1,000
800
Cooling for TES
③24時間冷房＋昼間追掛
HX
( night time operation)
BHP-1
AR-1
600
400
Cooling by
Refrigirator Operation
200
0
22
0
2
4
6
8
10
12
14
16
18
HX
B-1～3
20
AHP-1
［h］
HX
ICE
TES
Brine( S)
Secondaly Water(S)
Brine( R)
Secondaly Water(R)
１０ Electric Power companies in Japan
This Summer
▲10% more electrik
demand reduction
is asked
▲5% more electrik
demand reduction
is asked
Tohoku-EPCO
Kansai-EPCO
Kyushuu-EPCO
Tokyo-EPCO
１号館(Ｗ棟)
１号館（免震）
４号館(Ｓ棟)
３号館(Ｅ棟)
２号館(Ｎ棟)
空冷ブラインHP
90kW×6＝540kW
製氷機
1000kg/h
IPF約5％
冷
水
縦
型
蓄
熱
冷
槽
水
＋
縦
氷
型
ス
蓄
ラ
熱
リ
槽
ー
218m3
7-15℃:2028kWh
2-15℃:3295kWh
冷
温
水
縦
冷
型
温
水
蓄
縦
型
熱
蓄
熱
槽
槽
218m3
7-15℃:2028kWh
2-15℃:3295kWh
36-31℃:1267kWh
２号館（制震）
４号館（制震）
空冷HP
90kW×4＝360kWh
空冷HP
90kW×3＝270kW
CT
冷
冷
水
水
縦
縦
型
型
蓄
蓄
熱
熱
槽
槽
CT
冷
冷
温
温
水
水
縦
縦
型
型
蓄
熱
蓄
槽
熱
槽
127m3
7-15℃:1181kWh
2-15℃:1920kWh
127m3
7-15℃:1181kWh
2-15℃:1920kWh
36-31℃:738kWh
ホ
ー
ル
３号館
地中熱
HP
温
温水槽
水
槽
地中熱HP
冷房:20kW
暖房:16kW
氷氷氷
蓄熱槽
蓄熱槽
蓄熱槽
温度成層型温水蓄熱槽,
192m3,H=4m,1116kWh(35→30℃)
ｲﾝﾊﾞｰﾀｰﾀｰﾎﾞ
内融式氷蓄熱槽
447m3,H=4,注水量427m3,
潜熱12306kWh,氷量133,056kg
IPF33.9%
瞬時取出熱量3000kW
ﾌﾞﾗｲﾝﾀｰﾎﾞ
CTへ
熱源系統概念図
1090kW(15-7℃)
912kW(15-2℃)
1287kW(32-37℃):熱回収
CTへ
2110kW(13.9-9)
1881kW(8.4-4)
1283kW(-2--5)
ボイド梁部に懸垂
連結縦型蓄熱槽
搬入時
バタ弁
130
短管
200
フレキ
900
ネック
250
ネック
250
1,480
（容積率に入らず）
400A
2,500
100
フランジ・フレキ
400A
連結縦型蓄熱槽
（ h=約10m φ2650）
５連結で218.1m3 ×２基
３連結で127.2m3 ×２基
400A
吹抜部へ下降させ設置
東京千住キャンパス工事現況（H23.2.23.）
４号館（Ｓ棟）連結縦型蓄熱槽設置状況
バタ弁
130
短管
200
フレキ
900
短管
200
バタ弁
130
ネック
250
2,060
400A
連結縦型蓄熱槽
（ h=約10m φ2650）
３連結で127.2m3 ×２基
東京千住キャンパス工事現況（H23.2.23.）
４号館（Ｓ棟）連結縦型蓄熱槽１層目（２缶）設置状況
ロッジア
交流プラザ（オープンエアー・床冷暖）
1階免震床と地階の境界
地面がぬかるんでいるのは、
雨ではなく地下水位が高いため
東京千住キャンパス工事現況（H23.2.14.）
1号館（W棟）ロッジア北側の地中熱利用の熱交換用チューブ埋設施工状況
●地中熱利用床冷暖房（二次側配管敷設）
地中熱ヒートポンプ
冷房：２０kW
暖房：１６ kW
内径：13A、 8系統
総延長：1484ｍ
敷設面積：225㎡
架橋ポリエチレン管
を敷設中
地中熱交換器
埋設範囲
約250m2
オープンエアー
床冷暖房
設置範囲
カフェ
大階段
東京千住キャンパス工事状況（H23.8.25.）
1号館
ロッジア GRC天井工事施工状況

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