JPH07167525A - Hot water supplying heat pump system utilizing cooling exhaust heat - Google Patents
Hot water supplying heat pump system utilizing cooling exhaust heatInfo
- Publication number
- JPH07167525A JPH07167525A JP31640293A JP31640293A JPH07167525A JP H07167525 A JPH07167525 A JP H07167525A JP 31640293 A JP31640293 A JP 31640293A JP 31640293 A JP31640293 A JP 31640293A JP H07167525 A JPH07167525 A JP H07167525A
- Authority
- JP
- Japan
- Prior art keywords
- hot water
- heat
- water
- heat pump
- refrigerator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 137
- 238000001816 cooling Methods 0.000 title claims abstract description 20
- 239000000498 cooling water Substances 0.000 claims abstract description 11
- 239000002918 waste heat Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 239000003643 water by type Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Landscapes
- Sorption Type Refrigeration Machines (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は、冷温水製造用の冷凍機
等の冷却排熱を給湯用熱源水の加熱に利用する冷却排熱
利用給湯ヒートポンプシステムに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hot-water supply heat pump system utilizing cooling exhaust heat for utilizing the cooling exhaust heat of a refrigerator or the like for producing cold / hot water for heating heat source water for hot water supply.
【0002】[0002]
【従来の技術】図3は給湯ヒートポンプを備えた給湯シ
ステムの従来例を示す図であり、21は給湯ヒートポン
プ、22は水槽、23は空冷ヒートポンプ、24は空気
熱交換器、25〜27は送水ポンプを示す。2. Description of the Related Art FIG. 3 is a view showing a conventional example of a hot water supply system including a hot water supply heat pump, 21 is a hot water supply heat pump, 22 is a water tank, 23 is an air cooling heat pump, 24 is an air heat exchanger, and 25 to 27 are water supply. Shows the pump.
【0003】給湯ヒートポンプを使って給湯するシステ
ムとしては、例えば図3に示すように水槽22から送水
ポンプ27を使って熱源水を給湯ヒートポンプ21に汲
み上げ、これを熱源として給湯ヒートポンプ21から送
水ポンプ25を使って給湯するものがある。このシステ
ムの場合、水槽22の熱源水を製造するために加熱源が
必要であり、そのために、空冷ヒートポンプ23、空気
熱交換器24が設けられ、給湯ヒートポンプ21で熱を
奪われ冷えた熱源水を数十℃(例えば30℃〜20℃程
度)まで加熱している。As a system for supplying hot water using a hot water supply heat pump, for example, as shown in FIG. 3, a heat source water is pumped from a water tank 22 to a hot water supply heat pump 21 using a water supply pump 27, and this is used as a heat source from the hot water supply heat pump 21 to a water supply pump 25. There is something that uses hot water to supply hot water. In the case of this system, a heating source is required to produce the heat source water of the water tank 22, and therefore, the air-cooling heat pump 23 and the air heat exchanger 24 are provided, and the heat source water cooled by the hot water supply heat pump 21 is deprived of heat. Is heated to several tens of degrees Celsius (for example, about 30 degrees Celsius to 20 degrees Celsius).
【0004】[0004]
【発明が解決しようとする課題】上記のように従来の給
湯ヒートポンプを備えた給湯システムは、熱源水製造の
ために給湯ヒートポンプとは別に熱源水製造設備として
空冷ヒートポンプ23、ヒーティングタワー24が必要
となり、空冷ヒートポンプ23、空気熱交換器24を設
置するためのイニシャルコストや、それらを運転するた
めのランニングコストがかかるという問題がある。As described above, the conventional hot water supply system provided with the hot water supply heat pump requires the air-cooled heat pump 23 and the heating tower 24 as the heat source water production equipment in addition to the hot water supply heat pump for producing the heat source water. Therefore, there is a problem that an initial cost for installing the air-cooling heat pump 23 and the air heat exchanger 24 and a running cost for operating them are required.
【0005】本発明は、上記の課題を解決するものであ
って、設備を有効活用しランニングコストの低減を図っ
た冷却排熱利用給湯ヒートポンプシステムを提供するこ
とを目的とするものである。An object of the present invention is to solve the above-mentioned problems, and an object thereof is to provide a hot water supply heat pump system using cooling exhaust heat which effectively utilizes equipment to reduce running costs.
【0006】[0006]
【課題を解決するための手段】そのために本発明は、給
湯するための給湯ヒートポンプと、該給湯ヒートポンプ
の熱源水と、該熱源水製造のための熱交換器と、冷温水
製造用の冷凍機と、該冷凍機の冷却水配管又は温水配管
を分岐して熱交換器に切換接続する切換接続手段とから
なることを特徴とするものであり、さらに、熱交換器の
出力側に加熱した熱源水の温度を検出する温度検出手段
を設けると共に、熱交換器の入力側にバルブを設け、該
バルブの開度を制御することにより熱源水の温度を制御
し、切換接続手段は、冷凍機の運転モードにより切り換
えられるバルブからなることを特徴とするものである。To this end, the present invention provides a hot water supply heat pump for supplying hot water, a heat source water for the hot water supply heat pump, a heat exchanger for producing the heat source water, and a refrigerator for producing cold / hot water. And a switching connection means for branching and connecting the cooling water pipe or the hot water pipe of the refrigerator to the heat exchanger, and the heat source heated to the output side of the heat exchanger. A temperature detecting means for detecting the temperature of water is provided, a valve is provided on the input side of the heat exchanger, and the temperature of the heat source water is controlled by controlling the opening of the valve. It is characterized by comprising a valve that can be switched depending on the operation mode.
【0007】[0007]
【作用】本発明の冷却排熱利用給湯ヒートポンプシステ
ムでは、給湯するための給湯ヒートポンプと、該給湯ヒ
ートポンプの熱源水と、該熱源水製造のための熱交換器
と、冷温水製造用の冷凍機と、該冷凍機の冷却水配管又
は温水配管を分岐して熱交換器に切換接続する切換接続
手段とからなるので、冷温水製造用の冷凍機を活用し、
その排熱を回収することができるので、熱源水製造設備
として特別に用意しなくてもよい。In the hot water supply heat pump system utilizing cooling waste heat of the present invention, a hot water supply heat pump for supplying hot water, a heat source water of the hot water supply heat pump, a heat exchanger for producing the heat source water, and a refrigerator for producing hot and cold water. And a switching connection means for branching and connecting a cooling water pipe or a hot water pipe of the refrigerator to a heat exchanger, so that a refrigerator for producing cold / hot water is utilized,
Since the exhaust heat can be recovered, it is not necessary to specially prepare it as heat source water production equipment.
【0008】[0008]
【実施例】以下、本発明の実施例を図面を参照しつつ説
明する。図1は本発明に係る冷却排熱利用給湯ヒートポ
ンプシステムの1実施例を示す図であり、1は給湯ヒー
トポンプ、2は水槽、3は熱交換器、4は暖房時ヒーテ
ィングタワー(冷房時クーリングタワー)、5は冷温水
製造用冷凍機、6はコントローラ、7〜12は送水ポン
プ、13は温度センサ、14〜20はバルブを示す。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a view showing an embodiment of a hot water supply heat pump system using cooling exhaust heat according to the present invention, wherein 1 is a hot water supply heat pump, 2 is a water tank, 3 is a heat exchanger, 4 is a heating heating tower (cooling tower during cooling). ) 5, a refrigerator for producing hot and cold water, 6 a controller, 7 to 12 a water pump, 13 a temperature sensor, and 14 to 20 valves.
【0009】図1において、給湯ヒートポンプ1は、水
槽2から送水ポンプ9を使って熱源水を汲み上げてお湯
をつくり、これを送水ポンプ7を使って例えばタンクへ
給湯するものである。熱交換器3は、水槽2から送水ポ
ンプ9を使って熱源水を汲み上げて冷温水製造用冷凍機
5の冷却水配管又は温水配管から供給される温水を使っ
て加熱するものである。温度センサ13は、熱交換器3
の出口温度を検出するものであり、コントローラ6は、
温度センサ13で検出した熱交換器3の出口温度が所定
の範囲になるようにバルブ14の開度を制御して温水の
供給量を調整するものである。In FIG. 1, a hot-water supply heat pump 1 is for pumping heat source water from a water tank 2 using a water supply pump 9 to make hot water, and supplying the hot water to a tank, for example, using a water supply pump 7. The heat exchanger 3 pumps up heat source water from the water tank 2 by using the water supply pump 9, and heats it using the cooling water pipe of the cold / hot water producing refrigerator 5 or the hot water supplied from the hot water pipe. The temperature sensor 13 is the heat exchanger 3
The controller 6 detects the outlet temperature of
The opening amount of the valve 14 is controlled so that the outlet temperature of the heat exchanger 3 detected by the temperature sensor 13 falls within a predetermined range, and the amount of hot water supplied is adjusted.
【0010】冷温水製造用冷凍機5は、冷温水、冷水ま
たは温水を製造するものであり、バルブ15〜18は、
その運転モードに応じて熱交換器3に温水を供給する配
管を切り換えるものである。例えば冷温水製造用冷凍機
5が冷水または冷温水を同時に製造する運転モードのと
きには、バルブ15、16を開にしてバルブ17、18
を閉にすることによって冷温水製造用冷凍機5の冷却排
熱を利用し、温水を製造する運転モードのときには、バ
ルブ15、16を閉にしてバルブ17、18を開にする
ことによって製造した温水の一部を利用する。The cold / hot water producing refrigerator 5 is for producing cold / hot water, cold water or hot water, and the valves 15 to 18 are
The piping for supplying hot water to the heat exchanger 3 is switched according to the operation mode. For example, when the refrigerator 5 for producing cold / hot water is in an operation mode for producing cold water or cold / hot water at the same time, the valves 15 and 16 are opened and the valves 17 and 18 are opened.
The cooling waste heat of the refrigerator 5 for producing hot and cold water is used to close the valve, and in the operation mode for producing hot water, the valves 15 and 16 are closed and the valves 17 and 18 are opened. Use some hot water.
【0011】バルブ19、20は、冷却水の温度をコン
トロールするためのものであり、冷凍機保護のため、冷
却水の温度がある程度以下にならないようにバルブ19
の流量が調整され、バルブ20は、その増減と逆になる
ように流量が調整される。The valves 19 and 20 are for controlling the temperature of the cooling water, and in order to protect the refrigerator, the valve 19 is kept so that the temperature of the cooling water does not fall below a certain level.
Is adjusted, and the flow rate of the valve 20 is adjusted so as to be opposite to the increase and decrease.
【0012】図2はバルブ切り換え制御回路の構成例を
示す図であり、SWは運転モードスイッチ、Mgは電磁
開閉器、D1、D2はダイオードを示す。冷温水製造用
冷凍機は、上記のように冷温水、冷水または温水を製造
するものであって、冬期や中間期等の季節に応じそれぞ
れの動作モードが選択され運転される。その動作モード
に応じてバルブ15〜18を切り換え制御する回路の構
成例を示したのが図2である。運転モードスイッチSW
は、冷温水運転モード、冷水運転モード、温水運転モー
ドのポジションを有し、そのポジションのモードにより
図1の冷温水製造用冷凍機5に対し運転指令を出すもの
である。電磁開閉器Mgは、運転モードスイッチSWに
冷温水運転モード又は冷水運転モードのポジションを選
択したときに付勢されるものであり、このとき閉になる
接点の出力信号でバルブ15、16を開き、このとき開
になる接点の出力信号でバルブ17、18を開く。した
がって、冷温水製造用冷凍機5が冷温水同時取り出し運
転モード又は冷水運転モードの場合には、バルブ15、
16を開いてバルブ17、18を閉めるので冷却水配管
を通して温水が熱交換機3に供給され、水槽2から送水
ポンプ9を使って熱源水の加熱源として利用れる。FIG. 2 is a diagram showing a configuration example of a valve switching control circuit, in which SW is an operation mode switch, Mg is an electromagnetic switch, and D1 and D2 are diodes. The refrigerator for producing cold / hot water is one for producing cold / hot water, cold water or hot water as described above, and each operation mode is selected and operated according to the season such as the winter season or the intermediate season. FIG. 2 shows a configuration example of a circuit that controls switching of the valves 15 to 18 according to the operation mode. Operation mode switch SW
Has a position of a cold / hot water operation mode, a cold water operation mode, and a hot water operation mode, and issues an operation command to the cold / hot water producing refrigerator 5 of FIG. 1 according to the mode of the position. The electromagnetic switch Mg is energized when the operation mode switch SW is set to the cold / hot water operation mode position or the cold water operation mode position, and the valves 15 and 16 are opened by the output signal of the contact which is closed at this time. The valves 17 and 18 are opened by the output signal of the contact which is opened at this time. Accordingly, when the cold / hot water producing refrigerator 5 is in the cold / hot water simultaneous extraction operation mode or the cold water operation mode, the valve 15,
Since 16 is opened and valves 17 and 18 are closed, hot water is supplied to the heat exchanger 3 through the cooling water pipe, and is used as a heat source for heat source water from the water tank 2 using the water supply pump 9.
【0013】なお、本発明は、上記の実施例に限定され
るものではなく、種々の変形が可能である。例えば上記
の実施例では、冷温水製造用冷凍機5の冷却水配管又は
温水配管を熱交換器に切り換え接続したが、冷水製造用
の冷凍器と温水製造用のヒートポンプに代え、それらの
冷却水配管又は温水配管を熱交換器に切り換え接続する
ように構成してもよい。また、バルブ15〜20は、電
動弁であっても手動弁であってもよい。The present invention is not limited to the above embodiment, but various modifications can be made. For example, in the above embodiment, the cooling water pipe or the hot water pipe of the cold / hot water producing refrigerator 5 is switched and connected to the heat exchanger. However, instead of the cold water producing refrigerator and the hot water producing heat pump, the cooling water thereof is used. The pipe or the hot water pipe may be switched and connected to the heat exchanger. Further, the valves 15 to 20 may be electrically operated valves or manual valves.
【0014】[0014]
【発明の効果】以上の説明から明らかなように、本発明
によれば、通常給湯ヒートポンプと共に設置される冷温
水製造用冷凍機の冷却水配管又は温水配管を分岐して給
湯用熱源水製造用として使うことができ、追加設備とし
ては、熱交換器だけを追加すればよいので、熱源水製造
のために空冷ヒートポンプ等を特別に設ける必要がなく
なり、設備コストの低減を図ることができる。また、冷
温水製造用冷凍機の冷却排熱を利用するので、従来の熱
源水製造のために空冷ヒートポンプの電力量に相当する
分、さらには、ヒーティングタワーのファン動力にかか
るランニングコストを削減することができる。As is apparent from the above description, according to the present invention, a cooling water pipe or a hot water pipe of a refrigerator for cold / hot water production which is usually installed together with a hot water supply heat pump is branched to produce a heat source water for hot water supply. Since it is only necessary to add a heat exchanger as additional equipment, there is no need to specially provide an air-cooling heat pump or the like for producing heat source water, and equipment cost can be reduced. In addition, since the cooling exhaust heat of the refrigerator for cold / hot water production is used, the amount of electric power of the air-cooled heat pump for the conventional heat source water production is reduced, and the running cost for the fan power of the heating tower is reduced. can do.
【図1】 本発明に係る冷却排熱利用給湯ヒートポンプ
システムの1実施例を示す図である。FIG. 1 is a diagram showing an embodiment of a hot water supply heat pump system using cooling exhaust heat according to the present invention.
【図2】 バルブ切り換え制御回路の構成例を示す図で
ある。FIG. 2 is a diagram showing a configuration example of a valve switching control circuit.
【図3】 給湯ヒートポンプを備えた給湯システムの従
来例を示す図である。FIG. 3 is a diagram showing a conventional example of a hot water supply system including a hot water supply heat pump.
1…給湯ヒートポンプ、2…水槽、3…熱交換器、4…
ヒーティングタワー、5…冷温水製造用冷凍機、6…コ
ントローラ、7〜12…送水ポンプ、13…温度セン
サ、14〜20…バルブ1 ... Hot water supply heat pump, 2 ... Water tank, 3 ... Heat exchanger, 4 ...
Heating tower, 5 ... Refrigerator for producing cold / hot water, 6 ... Controller, 7-12 ... Water pump, 13 ... Temperature sensor, 14-20 ... Valve
Claims (3)
給湯ヒートポンプの熱源水と、該熱源水製造のための熱
交換器と、冷温水製造用の冷凍機と、該冷凍機の冷却水
配管又は温水配管を分岐して熱交換器に切換接続する切
換接続手段とからなることを特徴とする冷却排熱利用給
湯ヒートポンプシステム。1. A hot water supply heat pump for supplying hot water, a heat source water for the hot water supply heat pump, a heat exchanger for producing the heat source water, a refrigerator for producing cold / hot water, and a cooling water pipe for the refrigerator. A hot water supply heat pump system using cooling waste heat, comprising: a switching connection means for branching a hot water pipe to switch and connect to a heat exchanger.
度を検出する温度検出手段を設けると共に、熱交換器の
入力側にバルブを設け、該バルブの開度を制御すること
により熱源水の温度を制御することを特徴とする請求項
1記載の冷却排熱利用給湯ヒートポンプシステム。2. The heat source is provided by providing a temperature detecting means for detecting the temperature of the heated heat source water on the output side of the heat exchanger, and by providing a valve on the input side of the heat exchanger and controlling the opening of the valve. The hot water supply heat pump system using cooling exhaust heat according to claim 1, wherein the temperature of water is controlled.
より切り換えられるバルブからなることを特徴とする請
求項1記載の冷却排熱利用給湯ヒートポンプシステム。3. The hot-water supply heat pump system using cooling exhaust heat according to claim 1, wherein the switching connection means is composed of a valve that is switched depending on an operation mode of the refrigerator.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP31640293A JP3303151B2 (en) | 1993-12-16 | 1993-12-16 | Hot water supply heat pump system utilizing cooling waste heat |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP31640293A JP3303151B2 (en) | 1993-12-16 | 1993-12-16 | Hot water supply heat pump system utilizing cooling waste heat |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH07167525A true JPH07167525A (en) | 1995-07-04 |
JP3303151B2 JP3303151B2 (en) | 2002-07-15 |
Family
ID=18076680
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP31640293A Expired - Fee Related JP3303151B2 (en) | 1993-12-16 | 1993-12-16 | Hot water supply heat pump system utilizing cooling waste heat |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3303151B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003014328A (en) * | 2001-06-28 | 2003-01-15 | Asahi Breweries Ltd | Cold transfer device |
JP2010255969A (en) * | 2009-04-28 | 2010-11-11 | Nishimatsu Constr Co Ltd | Air conditioning system |
WO2020008884A1 (en) * | 2018-07-06 | 2020-01-09 | 栗田工業株式会社 | Reverse osmosis treatment method and system |
-
1993
- 1993-12-16 JP JP31640293A patent/JP3303151B2/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003014328A (en) * | 2001-06-28 | 2003-01-15 | Asahi Breweries Ltd | Cold transfer device |
JP4671546B2 (en) * | 2001-06-28 | 2011-04-20 | アサヒビール株式会社 | Cryogenic transfer device |
JP2010255969A (en) * | 2009-04-28 | 2010-11-11 | Nishimatsu Constr Co Ltd | Air conditioning system |
WO2020008884A1 (en) * | 2018-07-06 | 2020-01-09 | 栗田工業株式会社 | Reverse osmosis treatment method and system |
JPWO2020008884A1 (en) * | 2018-07-06 | 2020-07-09 | 栗田工業株式会社 | Reverse osmosis treatment method and system |
Also Published As
Publication number | Publication date |
---|---|
JP3303151B2 (en) | 2002-07-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |