JP3303151B2 - Hot water supply heat pump system utilizing cooling waste heat - Google Patents

Hot water supply heat pump system utilizing cooling waste heat

Info

Publication number
JP3303151B2
JP3303151B2 JP31640293A JP31640293A JP3303151B2 JP 3303151 B2 JP3303151 B2 JP 3303151B2 JP 31640293 A JP31640293 A JP 31640293A JP 31640293 A JP31640293 A JP 31640293A JP 3303151 B2 JP3303151 B2 JP 3303151B2
Authority
JP
Japan
Prior art keywords
hot water
heat
water supply
heat pump
water
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.)
Expired - Fee Related
Application number
JP31640293A
Other languages
Japanese (ja)
Other versions
JPH07167525A (en
Inventor
功 鶴岡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shimizu Corp
Original Assignee
Shimizu Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shimizu Corp filed Critical Shimizu Corp
Priority to JP31640293A priority Critical patent/JP3303151B2/en
Publication of JPH07167525A publication Critical patent/JPH07167525A/en
Application granted granted Critical
Publication of JP3303151B2 publication Critical patent/JP3303151B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/10Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • Y02P80/15On-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)

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【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 and exhaust heat for utilizing the cooling and exhaust heat of a refrigerator for producing cold and hot water for heating a 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 diagram showing a conventional example of a hot water supply system provided with a hot water supply heat pump. Reference numeral 21 denotes a hot water supply heat pump, 22 denotes a water tank, 23 denotes an air-cooled heat pump, 24 denotes an air heat exchanger, and 25 to 27 denotes water supply. Show 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 the hot water is supplied from the water supply heat pump 21 to the water supply pump 25 as a heat source. There are things that use hot water. In the case of this system, a heating source is required to produce the heat source water in the water tank 22. For this purpose, an air-cooled heat pump 23 and an air heat exchanger 24 are provided. Is heated to several tens of degrees Celsius (for example, about 30 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 equipped with a hot water supply heat pump requires an air-cooled heat pump 23 and a heating tower 24 as heat source water production equipment separately from the hot water supply heat pump for producing heat source water. Thus, there is a problem that initial costs for installing the air-cooled heat pump 23 and the air heat exchanger 24 and running costs 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 of the present invention is to provide a hot water supply heat pump system utilizing cooling and exhaust heat, which effectively utilizes equipment and reduces 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 and hot water. And a switching connection means for branching a cooling water pipe or a hot water pipe of the refrigerator and switching connection to a heat exchanger, and further comprising a heat source heated to an output side of the heat exchanger. A temperature detecting means for detecting the temperature of the 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 degree of the valve. It is characterized by comprising a valve that can be switched according to 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。
According to the hot water supply heat pump system utilizing cooling and exhaust heat of the present invention, 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 and hot water are provided. And a switching connection means for branching a cooling water pipe or a hot water pipe of the refrigerator and switching connection to a heat exchanger, so that a refrigerator for cold / hot water production is utilized,
Since the exhaust heat can be recovered, it is not necessary to prepare specially as a heat source water production facility.

【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 utilizing cooling and 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, and 4 is a heating tower during heating (cooling tower during cooling). ), 5 is a refrigerator for producing cold / hot water, 6 is a controller, 7-12 are water pumps, 13 is a temperature sensor, and 14-20 are 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 pumps up heat source water from a water tank 2 using a water supply pump 9 to produce hot water, and supplies the hot water to, for example, a tank using a water supply pump 7. The heat exchanger 3 pumps up the heat source water from the water tank 2 using the water supply pump 9 and heats it using hot water supplied from the cooling water pipe or the hot water pipe of the refrigerator 5 for producing cold and hot water. The temperature sensor 13 is a heat exchanger 3
The controller 6 detects the outlet temperature of
The opening degree of the valve 14 is controlled so that the supply temperature of the hot water is adjusted so that the outlet temperature of the heat exchanger 3 detected by the temperature sensor 13 falls within a predetermined range.

【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 refrigerator 5 for producing cold / hot water is for producing cold / hot water, cold water or hot water.
A pipe for supplying hot water to the heat exchanger 3 is switched according to the operation mode. For example, in the operation mode in which the refrigerator 5 for producing cold and hot water simultaneously produces cold water or cold and hot water, the valves 15 and 16 are opened and the valves 17 and 18 are opened.
Is closed, the cooling waste heat of the cold / hot water producing refrigerator 5 is used, and in the operation mode of producing hot water, the valves 15 and 16 are closed and the valves 17 and 18 are opened. Use part of the warm 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. For protection of the refrigerator, the valves 19 and 20 are provided 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 to be opposite to the increase or 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 an example of the configuration of a valve switching control circuit, where SW is an operation mode switch, Mg is an electromagnetic switch, and D1 and D2 are diodes. The chiller for producing cold / hot water produces cold / hot water, cold water or hot water as described above, and its operation mode is selected and operated according to the seasons such as winter and middle season. FIG. 2 shows an example of the configuration of a circuit for switching and controlling 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 production refrigerator 5 of FIG. 1 according to the position mode. The electromagnetic switch Mg is energized when the operation mode switch SW is set to the cold / hot water operation mode or the cold water operation mode, and the valves 15 and 16 are opened by the output signal of the contacts that are closed at this time. Then, the valves 17 and 18 are opened by the output signal of the contact that opens at this time. Therefore, when the cold / hot water production refrigerator 5 is in the cold / hot water simultaneous removal operation mode or the cold water operation mode, the valve 15
Since the valve 16 is opened and the 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 heating source of the heat source water by using the water supply pump 9 from the water tank 2.

【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 can be variously modified. For example, in the above-described embodiment, the cooling water pipe or the hot water pipe of the refrigerator 5 for cold / hot water production was switched and connected to the heat exchanger. However, instead of a refrigerator for cold water production and a heat pump for hot water production, the cooling water You may comprise so that piping or a hot-water piping may be switched and connected to a heat exchanger. Further, the valves 15 to 20 may be electric 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 usually installed together with a hot water supply heat pump is branched to produce a heat source water for hot water supply. Since only a heat exchanger may be added as additional equipment, it is not necessary to provide an air-cooled heat pump or the like for producing heat source water, and the equipment cost can be reduced. In addition, since the cooling waste heat of the chiller for producing hot and cold water is used, the running cost for the fan power of the heating tower and the power equivalent of the air-cooled heat pump for conventional heat source water production are reduced. can do.

【図面の簡単な説明】[Brief description of the drawings]

【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 view showing one embodiment of a hot water supply heat pump system utilizing cooling and 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 illustrating 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.

【符号の説明】[Explanation of symbols]

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 cold / hot water production, 6: Controller, 7-12: Water pump, 13: Temperature sensor, 14-20: Valve

Claims (3)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 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 utilizing cooling and exhaust heat, comprising switching connection means for branching the hot water pipe and switching connection to a heat exchanger.
【請求項2】 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. A heat detecting device for detecting the temperature of heated heat source water at the output side of the heat exchanger, a valve at the input side of the heat exchanger, and controlling the opening of the valve to control the heat source. The heat pump system utilizing hot water for cooling and exhaustion according to claim 1, wherein the temperature of the water is controlled.
【請求項3】 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 heat pump system utilizing cooling and exhaust heat as claimed in claim 1, wherein the switching connection means comprises a valve which is switched according to an operation mode of the refrigerator.
JP31640293A 1993-12-16 1993-12-16 Hot water supply heat pump system utilizing cooling waste heat Expired - Fee Related JP3303151B2 (en)

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 JPH07167525A (en) 1995-07-04
JP3303151B2 true 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)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4671546B2 (en) * 2001-06-28 2011-04-20 アサヒビール株式会社 Cryogenic transfer device
JP5633002B2 (en) * 2009-04-28 2014-12-03 株式会社フクダ・アンド・パートナーズ Air conditioning system
CN112384479B (en) * 2018-07-06 2022-03-18 栗田工业株式会社 Reverse osmosis treatment method and system

Also Published As

Publication number Publication date
JPH07167525A (en) 1995-07-04

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