JPH062891A - District space cooling/heating system - Google Patents

District space cooling/heating system

Info

Publication number
JPH062891A
JPH062891A JP18860492A JP18860492A JPH062891A JP H062891 A JPH062891 A JP H062891A JP 18860492 A JP18860492 A JP 18860492A JP 18860492 A JP18860492 A JP 18860492A JP H062891 A JPH062891 A JP H062891A
Authority
JP
Japan
Prior art keywords
heat source
customer
main
plant
source
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
Application number
JP18860492A
Other languages
Japanese (ja)
Other versions
JP3053698B2 (en
Inventor
Yoshito Takeshita
吉人 竹下
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.)
Takenaka Komuten Co Ltd
Original Assignee
Takenaka Komuten Co Ltd
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 Takenaka Komuten Co Ltd filed Critical Takenaka Komuten Co Ltd
Priority to JP4188604A priority Critical patent/JP3053698B2/en
Publication of JPH062891A publication Critical patent/JPH062891A/en
Application granted granted Critical
Publication of JP3053698B2 publication Critical patent/JP3053698B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Other Air-Conditioning Systems (AREA)

Abstract

PURPOSE:To reduce a cost by performing hot water supply and room heating by utilizing waste heat while mainly obtaining cold heat or performing room cooling by supplying chilled water from a cold source on the plant side. CONSTITUTION:A master demander side cold source 3 and a slave demander side warm heat source 4 are respectively provided in a plurality of demanders (e.g. buildings). The source 3 and a plant side cold source 5 of a district room cooling plant are connected through a main feed tube 6 and a demander side feed tube 7 and a demander side return tube 8 and a main return tube 9. Further, the midway position of the tube 8 is connected to a supply tube 10 to the source 4, and a discharge tube 11 from the source 4 is connected to the tube 9. Chilled water is supplied from the source 5 to a plurality of demanders B to supply hot water or to execute room heating by utilizing waste heat while obtaining main cold or executing room cooling. Thus, its cost can be reduced.

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、ビルなどの需要家が集
中している区域において、各需要家に備えられる需要家
側冷熱源や需要家側温熱源に対して、共通の地域冷房用
プラントのプラント側冷熱源や地域暖房用プラントのプ
ラント側温熱源から冷水や温水を給排するなど、大規模
都市街区開発において採用されている地域冷暖房システ
ムに関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention provides a common district cooling system for a customer-side cold heat source and a customer-side hot heat source provided in each customer in an area where the customer is concentrated such as a building. The present invention relates to a district heating / cooling system adopted in large-scale urban block development, such as supplying / discharging cold water or hot water from a plant-side cooling / heating source of a plant or a plant-side heating / heating source of a district heating plant.

【0002】[0002]

【従来の技術】この種の地域冷暖房システムとしては、
従来、図3の全体概略構成図に示すように、地域冷暖房
用プラントにおいて、プラント側冷熱源01とプラント
側温熱源02とが設けられ、一方、各需要家であるビル
B…それぞれにおいて、個別空気調和機03に対する冷
房や冷凍用などのための需要家側冷熱源04や、個別空
気調和機03に対する暖房や給湯設備05に対する給湯
用などのための需要家側温熱源06が設けられている。
2. Description of the Related Art As a district heating and cooling system of this type,
Conventionally, as shown in the overall schematic configuration diagram of FIG. 3, a plant-side cooling / heating source 01 and a plant-side heating / heating source 02 are provided in a district heating and cooling plant, while each customer B in a building B ... A customer-side cold heat source 04 for cooling and freezing the air conditioner 03, and a customer-side heat source 06 for heating the individual air conditioner 03 and supplying hot water to the hot water supply facility 05 are provided. .

【0003】前記プラント側冷熱源01と需要家側冷熱
源04…それぞれとが、冷水用主送り配管07と冷水用
需要家側送り配管08、および、冷水用主戻り配管09
と冷水用需要家側戻り配管010を介して接続されてい
る。
The plant-side cold heat source 01 and the customer-side cold heat source 04 ... Respectively have a chilled water main feed pipe 07, a chilled water customer-side feed pipe 08, and a chilled water main return pipe 09.
To the customer side return pipe 010 for cold water.

【0004】また、プラント側温熱源02と需要家側温
熱源06…それぞれとが、温水用主送り配管011と温
水用需要家側送り配管012、および、温水用主戻り配
管013と温水用需要家側戻り配管014を介して接続
されている。
Further, the plant side heat source 02 and the customer side heat source 06 ... Respectively have a hot water main feed pipe 011 and a hot water consumer feed pipe 012, and a hot water main return pipe 013 and a hot water demand. It is connected through a home side return pipe 014.

【0005】このような構成により、地域冷暖房用プラ
ントから需要家側に冷水や温水を給排し、冷房や冷凍、
暖房や給湯などを行うことができるようになっている。
With such a configuration, cold water and hot water are supplied to and discharged from the district heating and cooling plant to the customer side, and cooling and freezing,
It can be used for heating and hot water supply.

【0006】[0006]

【発明が解決しようとする課題】しかしながら、この種
の地域冷暖房システムにあっては、プラント側冷熱源0
1と需要家側冷熱源04…、ならびに、プラント側温熱
源02と需要家側温熱源06…とを、それぞれ専用の冷
水用主送り配管07と冷水用主戻り配管09、ならび
に、温水用主送り配管011と温水用主戻り配管013
を介して接続しており、全体として4本の大径配管を設
けなければならず、配管量が増大するうえに配管の設置
スペースが増大するとともに、その設置作業に手間を要
し、イニシャルコストはもちろんのこと、工期および工
費のいずれもが増大して不経済になる欠点があった。
However, in this type of district heating / cooling system, the plant side cooling heat source 0
1 and the customer-side cold heat source 04 ..., and the plant-side warm heat source 02 and the customer-side warm heat source 06 ..., respectively, respectively, a dedicated cold water main feed pipe 07, a cold water main return pipe 09, and a hot water main Feed pipe 011 and hot water main return pipe 013
Connection, and four large-diameter pipes must be installed as a whole, the amount of pipes increases and the installation space for the pipes increases, and the installation work requires time and labor, resulting in an initial cost. Needless to say, there was a disadvantage that the construction period and construction cost increased, which was uneconomical.

【0007】また、例えば、冷房と給湯を同時的に行う
ような場合に、温水と冷水のいずれをも、需要家側で消
費した分の熱エネルギーを補給して所定の温度にしてか
ら給排するため、ランニングコストも増大して不経済に
なる欠点があった。
Further, for example, when cooling and hot water supply are performed simultaneously, both hot and cold water are supplied with the heat energy consumed by the consumer side to reach a predetermined temperature and then supplied and discharged. Therefore, there is a drawback that the running cost increases and becomes uneconomical.

【0008】本発明は、このような事情に鑑みてなされ
たものであって、請求項1に係る発明の地域冷暖房シス
テムは、冷熱や冷房が主導である地域特性に着目し、冷
水を給排する配管、および、プラント側それぞれでの設
備およびその設置スペースを小さくしてイニシャルコス
トおよびランニングコストを低減できるようにすること
を目的とし、そして、請求項2に係る発明の地域冷暖房
システムは、温熱や暖房が主導である地域特性に着目
し、温水を給排する配管、および、プラント側それぞれ
での設備およびその設置スペースを小さくしてイニシャ
ルコストおよびランニングコストを低減できるようにす
ることを目的とする。
The present invention has been made in view of such circumstances, and the district cooling and heating system of the invention according to claim 1 pays attention to the regional characteristics in which cooling and cooling are dominant, and supplies cold water. The purpose of the present invention is to reduce the initial cost and running cost by reducing the equipment and installation space on the plant side and the plant side, and the district heating and cooling system of the invention according to claim 2. Focusing on the regional characteristics led by heating and heating, the purpose is to reduce the initial cost and running cost by reducing the piping for supplying and discharging hot water and the equipment and installation space on each side of the plant. To do.

【0009】[0009]

【課題を解決するための手段】請求項1に係る発明の地
域冷暖房システムは、上述のような目的を達成するため
に、複数の需要家それぞれに主の需要家側冷熱源と従の
需要家側温熱源とを設け、需要家側冷熱源と地域冷房用
プラントのプラント側冷熱源とを、主送り配管と需要家
側送り配管、および、需要家側戻り配管と主戻り配管と
を介して接続し、需要家側戻り配管の途中箇所と需要家
側温熱源への供給用配管とを接続するととも需要家側温
熱源からの排出用配管と主戻り配管とを接続して構成す
る。
In order to achieve the above-mentioned object, the district heating and cooling system of the invention according to claim 1 provides a plurality of customers with a main customer side cooling heat source and a subsidiary customer. A side heat source is provided, and the customer side cold heat source and the plant side cold heat source of the district cooling plant are connected via the main feed pipe and the customer side feed pipe, and the customer side return pipe and the main return pipe. The connection is made by connecting the middle portion of the consumer side return pipe and the supply pipe to the consumer side heat source, and by connecting the discharge pipe from the consumer side heat source and the main return pipe.

【0010】また、請求項2に係る発明の地域冷暖房シ
ステムは、上述のような目的を達成するために、複数の
需要家それぞれに主の需要家側温熱源と従の需要家側冷
熱源とを設け、需要家側温熱源と地域暖房用プラントの
プラント側温熱源とを、主送り配管と需要家側送り配
管、および、需要家側戻り配管と主戻り配管とを介して
接続し、需要家側戻り配管の途中箇所と需要家側冷熱源
への供給用配管とを接続するととも需要家側冷熱源から
の排出用配管と前記主戻り配管とを接続して構成する。
Further, in order to achieve the above-mentioned object, the district heating and cooling system of the invention according to claim 2 has a main customer side heat source and a subordinate customer side heat source for each of a plurality of customers. The heat source on the customer side and the heat source on the plant side of the district heating plant are connected via the main feed pipe and the feed pipe on the customer side, and the return pipe on the customer side and the main return pipe to meet the demand. The middle part of the home side return pipe and the supply pipe to the consumer side cold heat source are connected, and the discharge pipe from the consumer side cold heat source and the main return pipe are connected.

【0011】[0011]

【作用】請求項1に係る発明の地域冷暖房システムの構
成によれば、冷凍倉庫とか一般のオフィスビルなどで
は、OA機器の増加に伴って室内での発生熱量が増大す
るため、冬場でも冷熱や冷房を必要とするなど、冷凍倉
庫やオフィスビルが集中している地域では、冷熱や冷房
主導型になって温熱の負荷が冷熱の負荷の半分以下にな
っているのが実情である。このことに着目し、プラント
側温熱源として地域冷房用プラントを設け、そこからの
冷水を複数の需要家それぞれに設けた主の需要家側冷熱
源に給排して冷熱を得たり冷房を行ったりすることがで
き、主の需要家側冷熱源から主戻り配管に排出される熱
交換後の排水を従の需要家側温熱源に供給し、排熱を利
用して給湯や暖房を行うことができる。
According to the structure of the district heating / cooling system of the present invention, the amount of heat generated indoors increases with the increase in the number of OA equipment in a refrigerated warehouse or a general office building. In areas where refrigerated warehouses and office buildings are concentrated, such as the need for air conditioning, the fact is that the heat load becomes less than half of the heat load due to the cold heat or cooling-driven type. Focusing on this, a district cooling plant is provided as a heat source on the plant side, and cold water from the plant is supplied to and discharged from the main customer-side cold heat source provided for each of a plurality of consumers to obtain cold heat or perform cooling. It is possible to supply the waste water after heat exchange that is discharged from the main customer-side cold heat source to the main return pipe to the subordinate customer-side hot heat source, and use the exhaust heat to supply hot water and heat. You can

【0012】請求項2に係る発明の地域冷暖房システム
の構成によれば、ホテルや病院では、シャワーや消毒な
どといった熱湯の使用量が多いため、夏場でも温熱を必
要とするなど、ホテルや病院が集中している地域では、
温熱や暖房主導型になって冷熱の負荷が温熱の負荷の半
分以下になっているのが実情である。このことに着目
し、プラント側温熱源として地域暖房用プラントを設
け、そこからの温水を複数の需要家それぞれに設けた主
の需要家側温熱源に給排して給湯用の温熱を得たり暖房
を行ったりすることができ、主の需要家側温熱源から主
戻り配管に排出される熱交換後の排水を従の需要家側温
熱源に供給し、排熱を利用して冷房を行うことができ
る。
According to the structure of the district heating and cooling system of the invention as claimed in claim 2, the hotel or hospital uses a large amount of hot water for showering or disinfecting. Therefore, the hotel or hospital needs heat even in the summer. In concentrated areas,
The reality is that the load of cold heat is less than half of the load of heat due to heating and heating. With this in mind, a district heating plant is installed as a plant-side heat source, and hot water from it is supplied to and discharged from the main customer-side heat source provided for each of a plurality of customers to obtain hot water for hot water supply. It can be heated, and the waste water after heat exchange that is discharged from the main heat source on the customer side to the main return pipe is supplied to the secondary heat source on the customer side to perform cooling using the exhaust heat. be able to.

【0013】[0013]

【実施例】次に、本発明の実施例を図面に基づいて詳述
する。
Embodiments of the present invention will now be described in detail with reference to the drawings.

【0014】<第1実施例>図1は、本発明に係る地域
冷暖房システムの第1実施例(請求項1に係る発明の地
域冷暖房システム)を示す全体概略構成図であり、複数
の需要家としてのビルB…それぞれに、冷暖兼用の個別
空気調和機1…と給湯設備2…とが設けられるととも
に、個別空気調和機1…に対する冷房用の熱源である主
の需要家側冷熱源3と、個別空気調和機1…に対する冷
房用の熱源および給湯設備2…に対する熱源としての従
の需要家側温熱源4とが設けられている。
<First Embodiment> FIG. 1 is an overall schematic configuration diagram showing a first embodiment (a district cooling and heating system of the invention according to claim 1) of a district cooling and heating system according to the present invention. Each building B has a separate air conditioner 1 for both cooling and heating and a hot water supply facility 2, and a main customer-side cool heat source 3 that is a heat source for cooling the individual air conditioner 1. , A sub-consumer side heat source 4 as a heat source for cooling the individual air conditioners 1 and a heat source for the hot water supply equipment 2 are provided.

【0015】一方、プラント側において地域冷房用プラ
ントのプラント側冷熱源5が設けられ、そのプラント側
冷熱源5と主の需要家側冷熱源3とが、主送り配管6と
需要家側送り配管7、および、需要家側戻り配管8と主
戻り配管9とを介して接続されている。
On the other hand, the plant side cooling heat source 5 of the district cooling plant is provided on the plant side, and the plant side cooling heat source 5 and the main customer side cooling heat source 3 are the main feed pipe 6 and the customer side feed pipe. 7 and the consumer side return pipe 8 and the main return pipe 9 are connected.

【0016】需要家側戻り配管8の途中箇所と従の需要
家側温熱源4への供給用配管10とが接続されるととも
に従の需要家側温熱源4からの排出用配管11と主戻り
配管9とが接続され、主の需要家側冷熱源3から排出さ
れる熱を利用して暖房や給湯を行うことができるように
構成されている。
A middle portion of the customer side return pipe 8 and a supply pipe 10 to the subordinate consumer side heat source 4 are connected, and a discharge pipe 11 from the subordinate consumer side heat source 4 and a main return. It is connected to the pipe 9 and is configured to be able to perform heating and hot water supply by utilizing the heat discharged from the main customer-side cold heat source 3.

【0017】<第2実施例>図2は、本発明に係る地域
冷暖房システムの第2実施例(請求項2に係る発明の地
域冷暖房システム)を示す全体概略構成図であり、第1
実施例と異なるところは次の通りである。
<Second Embodiment> FIG. 2 is an overall schematic configuration diagram showing a second embodiment (district cooling and heating system of the invention according to claim 2) of the district heating and cooling system according to the present invention.
The difference from the embodiment is as follows.

【0018】複数の需要家としてのビルB…それぞれ
に、個別空気調和機1…に対する冷房用の熱源である主
の需要家側冷熱源3に代えて従の需要家側冷熱源21が
設けられるとともに、個別空気調和機1…に対する暖房
用の熱源および給湯設備2…に対する熱源としての従の
需要家側温熱源4に代えて主の需要家側温熱源22が設
けられている。
Each building B as a plurality of customers is provided with a subordinate customer-side cold heat source 21 in place of the main customer-side cold heat source 3 which is a heat source for cooling the individual air conditioners 1. In addition, a main customer-side heat source 22 is provided in place of the subordinate customer-side heat source 4 as a heat source for heating the individual air conditioners 1 and a heat source for the hot water supply equipment 2.

【0019】そして、プラント側において地域冷房用プ
ラントのプラント側冷熱源5に代えて地域暖房用プラン
トのプラント側温熱源23が設けられるとともに、その
プラント側温熱源23と主の需要家側温熱源22とが、
主送り配管24と需要家側送り配管25、および、需要
家側戻り配管26と主戻り配管27とを介して接続さ
れ、そして、需要家側戻り配管26の途中箇所と従の需
要家側冷熱源21への供給用配管28とが接続されると
とも従の需要家側冷熱源21からの排出用配管29と主
戻り配管27とが接続され、主の需要家側温熱源22か
ら排出される熱(放熱によって温度が低下した温水)を
利用して冷房を行うことができるように構成されてい
る。他の構成は第1実施例と同じであり、同一図番を付
すことによって、その説明は省略する。
On the plant side, a plant side heat source 23 of the district heating plant is provided in place of the plant side heat source 5 of the district cooling plant, and the plant side heat source 23 and the main customer side heat source are provided. 22 is
The main feed pipe 24 and the customer side feed pipe 25, and the consumer side return pipe 26 and the main return pipe 27 are connected to each other, and the middle point of the customer side return pipe 26 and the subordinate customer side cold heat When the supply pipe 28 to the source 21 is connected, the discharge pipe 29 from the subordinate consumer-side cold heat source 21 and the main return pipe 27 are connected, and the main consumer-side hot heat source 22 is exhausted. It is configured to be able to perform cooling by utilizing heat (hot water whose temperature has decreased due to heat radiation). The other structure is the same as that of the first embodiment, and the description thereof will be omitted by giving the same drawing numbers.

【0020】前述第1および第2実施例において、主の
需要家側冷熱源3または従の需要家側冷熱源21で熱交
換によって得た低温エネルギー、ならびに、従の需要家
側温熱源4または主の需要家側温熱源22で熱交換によ
って得た高温エネルギーを個別空気調和機1や給湯設備
2に送る構成としては、いわゆる水−水熱交換方式、あ
るいは、水−冷媒熱交換方式のいずれであっても良い。
In the first and second embodiments, the low-temperature energy obtained by heat exchange in the main customer-side cold heat source 3 or the sub-customer-side cold heat source 21 and the sub-customer-side hot heat source 4 or As a configuration for sending high-temperature energy obtained by heat exchange in the main customer-side heat source 22 to the individual air conditioner 1 or the hot water supply facility 2, either a so-called water-water heat exchange system or a water-refrigerant heat exchange system is used. May be

【0021】[0021]

【発明の効果】請求項1に係る発明の地域冷暖房システ
ムによれば、冷熱や冷房主導型である地域特性に着目
し、プラント側冷熱源からの冷水供給により主たる冷熱
を得たり冷房を行ったりしながら、排熱を利用して給湯
や暖房を行うから、プラント側の熱源として地域冷房用
プラントのプラント側冷熱源のみを設けるとともに、プ
ラント側冷熱源と複数の需要家それぞれに設けた主の需
要家側冷熱源とに対して、1本づつの主送り配管と主戻
り配管とを設けるだけで済み、従来のように、プラント
側に冷水および温水それぞれの熱源を設けるとともに、
それぞれに主送り配管と主戻り配管とを接続する場合に
比べて、設備およびその設置スペースのいずれをも半減
でき、イニシャルコストを低減できて経済性を向上でき
るようになった。
According to the district heating and cooling system of the invention of claim 1, paying attention to the regional characteristics that are cooling and cooling-driven type, the main cooling heat is obtained and cooling is performed by supplying cold water from the plant side cooling heat source. However, since hot water is supplied and heated using the exhaust heat, only the plant-side cold heat source of the district cooling plant is provided as the plant-side heat source, and the plant-side cold heat source and the main customers It is only necessary to provide one main feed pipe and one main return pipe for the customer-side cold heat source, and as in the conventional case, while providing cold water and hot water heat sources on the plant side,
Compared to the case where the main feed pipe and the main return pipe are connected to each, the equipment and its installation space can be reduced by half, the initial cost can be reduced, and the economic efficiency can be improved.

【0022】しかも、主の需要家側冷熱源で熱交換され
た後の温度が上昇した冷水を需要家から主戻り配管に戻
すときに、その一部を従の需要家側温熱源に供給して主
戻り配管に戻す冷水の温度を低くするから、プラント側
冷熱源に戻される冷水の温度を従来に比べて低くでき、
プラント側冷熱源において、所定温度の冷水を得るため
に消費されるエネルギー量を減少でき、ランニングコス
トを低減できて経済性を向上できるようになった。
Moreover, when returning the chilled water whose temperature has risen after heat exchange in the main customer side cold heat source from the customer to the main return pipe, a part of it is supplied to the subordinate customer side heat source. Since the temperature of the cold water returned to the main return pipe is lowered, the temperature of the cold water returned to the plant-side cold heat source can be made lower than before,
In the plant-side cold heat source, the amount of energy consumed to obtain cold water at a predetermined temperature can be reduced, running costs can be reduced, and economic efficiency can be improved.

【0023】また、従の需要家側温熱源である温熱に対
する監視や操作を需要家側だけで行うことができるか
ら、プラント側および需要家側の両方に必要とした従来
の場合に比べ、全体として監視や操作を容易に行うこと
ができるようになった。
Further, since it is possible to monitor and operate the heat, which is the subordinate customer-side heat source, only on the customer side, compared to the conventional case which is required on both the plant side and the customer side, As a result, monitoring and operation can be easily performed.

【0024】請求項2に係る発明の地域冷暖房システム
によれば、温熱や暖房主導型である地域特性に着目し、
プラント側温熱源からの温水供給により主たる温熱を得
たり暖房を行ったりしながら、排熱を利用して冷熱を得
たり暖房を行ったりするから、プラント側の熱源として
地域暖房用プラントのプラント側温熱源のみを設けると
ともに、プラント側温熱源と複数の需要家それぞれに設
けた主の需要家側温熱源とに対して、1本づつの主送り
配管と主戻り配管とを設けるだけで済み、従来のよう
に、プラント側に冷水および温水それぞれの熱源を設け
るとともに、それぞれに主送り配管と主戻り配管とを接
続する場合に比べて、設備およびその設置スペースのい
ずれをも半減でき、イニシャルコストを低減できて経済
性を向上できるようになった。
According to the district heating / cooling system of the invention of claim 2, paying attention to the regional characteristics of heating and heating-initiated type,
The main side of the district heating plant is used as a heat source on the plant side, because exhaust heat is used to obtain cold heat and heating while the main side of the plant is supplied with hot water from the hot water source for heating and heating. It is only necessary to provide only the heat source and to provide one main feed pipe and one main return pipe for the plant-side heat source and the main customer-side heat source provided for each of the plurality of consumers. Compared to the conventional case where heat sources for cold water and hot water are provided on the plant side and the main feed pipe and main return pipe are connected to each, both the equipment and its installation space can be halved, and the initial cost can be reduced. Can be reduced and the economic efficiency can be improved.

【0025】しかも、主の需要家側温熱源で熱交換され
た後の温度が低下した温水を需要家から主戻り配管に戻
すときに、その一部を従の需要家側冷熱源に供給して主
戻り配管に戻す温水の温度を高くするから、プラント側
温熱源に戻される温水の温度を従来に比べて高くでき、
プラント側温熱源において、所定温度の温水を得るため
に消費されるエネルギー量を減少でき、ランニングコス
トを低減できて経済性を向上できるようになった。
Moreover, when returning the hot water, whose temperature has dropped after heat exchange in the main customer side heat source, from the customer to the main return pipe, a part of the hot water is supplied to the sub customer side cold heat source. Since the temperature of the hot water returned to the main return pipe is increased, the temperature of the hot water returned to the plant-side heat source can be made higher than before,
In the plant side heat source, the amount of energy consumed to obtain hot water of a predetermined temperature can be reduced, running costs can be reduced, and economic efficiency can be improved.

【0026】また、従の需要家側温熱源である冷熱に対
する監視や操作を需要家側だけで行うことができるか
ら、プラント側および需要家側の両方に必要とした従来
の場合に比べ、全体として監視や操作を容易に行うこと
ができるようになった。
Further, since it is possible to monitor and operate the cold heat, which is the subordinate customer side heat source, only on the customer side, compared to the conventional case required on both the plant side and the customer side, As a result, monitoring and operation can be easily performed.

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

【図1】本発明に係る地域冷暖房システムの第1実施例
を示す全体概略構成図である。
FIG. 1 is an overall schematic configuration diagram showing a first embodiment of a district heating and cooling system according to the present invention.

【図2】本発明に係る地域冷暖房システムの第2実施例
を示す全体概略構成図である。
FIG. 2 is an overall schematic configuration diagram showing a second embodiment of a district heating and cooling system according to the present invention.

【図3】従来例の地域冷暖房システムを示す全体概略構
成図である。
FIG. 3 is an overall schematic configuration diagram showing a conventional district heating and cooling system.

【符号の説明】[Explanation of symbols]

3…主の需要家側冷熱源 4…従の需要家側温熱源 5…プラント側冷熱源 6,24…主送り配管 7,25…需要家側送り配管 8,26…需要家側戻り配管 9,27…主戻り配管 10,28…供給用配管 11,29…排出用配管 21…主の需要家側温熱源 22…従の需要家側冷熱源 23…プラント側温熱源 B…需要家としてのビル 3 ... Main customer-side cold heat source 4 ... Secondary customer-side heat source 5 ... Plant-side cold heat source 6, 24 ... Main feed pipe 7, 25 ... Customer-side feed pipe 8, 26 ... Customer-side return pipe 9 , 27 ... Main return pipe 10, 28 ... Supply pipe 11, 29 ... Discharge pipe 21 ... Main customer side heat source 22 ... Secondary customer side heat source 23 ... Plant side heat source B ... As a customer building

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 複数の需要家それぞれに主の需要家側冷
熱源と従の需要家側温熱源とを設け、前記需要家側冷熱
源と地域冷房用プラントのプラント側冷熱源とを、主送
り配管と需要家側送り配管、および、需要家側戻り配管
と主戻り配管とを介して接続し、前記需要家側戻り配管
の途中箇所と前記需要家側温熱源への供給用配管とを接
続するととも前記需要家側温熱源からの排出用配管と前
記主戻り配管とを接続したことを特徴とする地域冷暖房
システム。
1. A main customer-side cold heat source and a subordinate customer-side hot heat source are provided in each of a plurality of customers, and the customer-side cold heat source and the plant-side cold heat source of a district cooling plant are provided as main A feed pipe and a consumer side feed pipe, and a consumer side return pipe and a main return pipe are connected to each other, and a middle point of the consumer side return pipe and a pipe for supply to the consumer side heat source are connected. A district cooling and heating system, characterized in that when connected, the discharge pipe from the consumer side heat source and the main return pipe are connected.
【請求項2】 複数の需要家それぞれに主の需要家側温
熱源と従の需要家側冷熱源とを設け、前記需要家側温熱
源と地域暖房用プラントのプラント側温熱源とを、主送
り配管と需要家側送り配管、および、需要家側戻り配管
と主戻り配管とを介して接続し、前記需要家側戻り配管
の途中箇所と前記需要家側冷熱源への供給用配管とを接
続するととも前記需要家側冷熱源からの排出用配管と前
記主戻り配管とを接続したことを特徴とする地域冷暖房
システム。
2. A main customer-side heat source and a subordinate customer-side cold heat source are provided in each of a plurality of customers, and the customer-side heat source and the plant-side heat source of a district heating plant are used as main units. A feed pipe and a consumer side feed pipe, and a consumer side return pipe and a main return pipe are connected to each other, and an intermediate part of the consumer side return pipe and a pipe for supply to the consumer side cold heat source are connected. A district cooling and heating system, characterized in that the pipe for discharging from the customer-side cold heat source and the main return pipe are connected together.
JP4188604A 1992-06-22 1992-06-22 District heating and cooling system Expired - Fee Related JP3053698B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4188604A JP3053698B2 (en) 1992-06-22 1992-06-22 District heating and cooling system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4188604A JP3053698B2 (en) 1992-06-22 1992-06-22 District heating and cooling system

Publications (2)

Publication Number Publication Date
JPH062891A true JPH062891A (en) 1994-01-11
JP3053698B2 JP3053698B2 (en) 2000-06-19

Family

ID=16226581

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4188604A Expired - Fee Related JP3053698B2 (en) 1992-06-22 1992-06-22 District heating and cooling system

Country Status (1)

Country Link
JP (1) JP3053698B2 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012042162A (en) * 2010-08-20 2012-03-01 Toyo Netsu Kogyo Kk High efficiency heat transfer device in air conditioning system
JP2019519745A (en) * 2016-07-07 2019-07-11 エー.オン、スベリゲ、アクチボラグE.ON Sverige Aktiebolag Combined heating and cooling system
JP2020070950A (en) * 2018-10-30 2020-05-07 三菱電機ビルテクノサービス株式会社 Building cooling and heating system

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GB2434708B (en) * 2006-01-26 2008-02-27 Sonaptic Ltd Ambient noise reduction arrangements
KR101282724B1 (en) 2012-02-01 2013-07-05 한국에너지기술연구원 Secondary pipeline system for district heating of apartment complex

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012042162A (en) * 2010-08-20 2012-03-01 Toyo Netsu Kogyo Kk High efficiency heat transfer device in air conditioning system
JP2019519745A (en) * 2016-07-07 2019-07-11 エー.オン、スベリゲ、アクチボラグE.ON Sverige Aktiebolag Combined heating and cooling system
US11578882B2 (en) 2016-07-07 2023-02-14 E. ON Sverige AB Combined heating and cooling system
JP2020070950A (en) * 2018-10-30 2020-05-07 三菱電機ビルテクノサービス株式会社 Building cooling and heating system

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