JPS6045346B2 - Heat recovery type cold/hot water device - Google Patents
Heat recovery type cold/hot water deviceInfo
- Publication number
- JPS6045346B2 JPS6045346B2 JP9736779A JP9736779A JPS6045346B2 JP S6045346 B2 JPS6045346 B2 JP S6045346B2 JP 9736779 A JP9736779 A JP 9736779A JP 9736779 A JP9736779 A JP 9736779A JP S6045346 B2 JPS6045346 B2 JP S6045346B2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- heat recovery
- compressor
- cooling
- condenser
- 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
Links
Landscapes
- Other Air-Conditioning Systems (AREA)
Description
【発明の詳細な説明】
本発明は冷暖房設備に使用される熱回収式冷温水装置に
関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a heat recovery type cold/hot water device used in air conditioning equipment.
従来のこの種冷温水装置は排熱用と暖房用の二つの凝縮
器と、一つの蒸発器を有するダブルハンドルあるいはダ
ブルコンデンサー式であり、冷房時には蒸発器で作られ
た冷水により冷暖房ゾーンおよび熱回収ゾーンの冷房を
行い、排熱用凝縮器で排熱する。Conventional water coolers and hot water systems of this type are of the double handle or double condenser type, with two condensers for waste heat and one for heating, and one evaporator. The recovery zone is cooled and the heat is removed by a waste heat condenser.
一方、暖房時には蒸発器により熱回収ゾーンの熱を回収
し、温水用凝縮器で作られた温水により冷暖房ゾーンの
暖房を行つている。On the other hand, during heating, the evaporator recovers heat in the heat recovery zone, and the hot water condenser generates hot water to heat the cooling and heating zones.
上記のような冷温水装置を用いた熱回収冷暖房システム
は下記のような欠点がある。The heat recovery heating and cooling system using the chilled/hot water device as described above has the following drawbacks.
（１）冷暖房ゾーンの空調器に接続する熱交換器は冷房
時と暖房時て異なるため、冷房時と暖房時に冷温水系統
の切換えを必要とするから冷温水系統が複雑とな、保守
に手間がかかるばかりでなく、冷温水配管工事費が高額
になる。(1) Since the heat exchanger connected to the air conditioner in the cooling and heating zone is different for cooling and heating, it is necessary to switch the cold and hot water system for cooling and heating, making the cold and hot water system complicated and requiring maintenance. Not only will it cost more, but the cold and hot water piping work will also be expensive.
（２）蒸発器は冬期に熱回収ゾーンの冷房用にの用いら
れるが、冷房時も一つの蒸発器となるから大容量のもの
が必要である。(2) The evaporator is used for cooling the heat recovery zone in the winter, but since it is also used as one evaporator during cooling, a large capacity one is required.
（３）冷暖房ゾーンと熱回収ゾーンの冷温水系統が一つ
であるため、一般に熱冷媒体として水を用いので、冬期
の熱回収ゾーンの水温は５℃以下では使用できないから
排熱利用範囲が制限される。(3) Since there is one hot and cold water system for the air conditioning zone and the heat recovery zone, water is generally used as the thermal cooling medium, so the range of waste heat utilization is limited because water in the heat recovery zone cannot be used in winter when the water temperature is below 5℃. limited.
本発明は上記にかんがみ保守が簡単で、制御が容易であ
るばかりでなく省工事性を有し、かつ低温排熱を利用す
ることができ、冷媒通路の切換えによる簡単な冷凍サイ
クルの熱回収式冷温水装置を提供することを目的とする
もので、圧縮機、凝縮器、３方弁、冷暖房用熱交換器お
よび蒸発器をそなえ、前記冷暖房用熱交換器を電磁弁を
介して圧縮機に、冷房用膨脹弁、電磁弁および逆止弁を
介して前記３方弁にそれぞれ接続し、前記蒸発器を圧縮
機に接続すると共に、熱回収用膨脹弁および電磁弁を介
して前記３方弁に接続し、前記３方弁および各電磁弁を
切換えることにより、冷房、熱回収および暖房の各運転
を行わせるようにしたことを特徴とするものである。In view of the above, the present invention is not only easy to maintain and control, but also saves labor, and can utilize low-temperature waste heat, and has a simple heat recovery system for the refrigeration cycle by switching the refrigerant passage. The purpose of this system is to provide a cold/hot water device, which is equipped with a compressor, a condenser, a three-way valve, a heat exchanger for heating and cooling, and an evaporator. , are connected to the three-way valve through a cooling expansion valve, a solenoid valve, and a check valve, and connect the evaporator to the compressor, and connect the three-way valve through a heat recovery expansion valve and a solenoid valve. The device is characterized in that cooling, heat recovery, and heating operations are performed by connecting the three-way valve and each electromagnetic valve to the air conditioner.
以下本発明の一実施例を図面を参照して説明する。An embodiment of the present invention will be described below with reference to the drawings.
図において１は圧縮機、３はガス入口弁２を介して圧縮
機１に接続された凝縮器、４と５は凝縮器３の出口側に
設けられた液出口弁および３方弁、９は冷暖房用熱交換
器で、３方弁５に逆止弁６，１３、電磁弁７および冷房
用膨脹弁８を介して接続されると共に、電磁弁１４を介
して圧縮機１に接続されている。In the figure, 1 is a compressor, 3 is a condenser connected to the compressor 1 via a gas inlet valve 2, 4 and 5 are a liquid outlet valve and a three-way valve provided on the outlet side of the condenser 3, and 9 is a three-way valve. A heat exchanger for heating and cooling, which is connected to a three-way valve 5 via check valves 6, 13, a solenoid valve 7, and an expansion valve 8 for cooling, and is also connected to the compressor 1 via a solenoid valve 14. .
１２は熱回収用蒸発器で、圧縮機１に接続されると共に
、熱回収用膨脹弁１１および電磁弁１０を介して３方弁
５に接続されている。Reference numeral 12 denotes a heat recovery evaporator, which is connected to the compressor 1 and also to the three-way valve 5 via the heat recovery expansion valve 11 and the electromagnetic valve 10 .
また３方弁５は冷暖房用熱交換器９と電磁弁１４の間の
冷媒回路に接続されている。次に上記のような構成から
なる本実施例の作用について説用する。（１）冷房運転
冷房運転時には、３方弁５はＡ方向に開通されると共に
、電磁弁７，１０，１４も開かれるので、冷暖房用熱交
換器９により冷房ゾーンを、熱回収用蒸発器１２により
熱回収ゾーンをそれぞれ冷房すると共に、凝縮器３によ
り排熱一する。Further, the three-way valve 5 is connected to a refrigerant circuit between the cooling/heating heat exchanger 9 and the solenoid valve 14 . Next, the operation of this embodiment configured as described above will be explained. (1) Cooling operation During cooling operation, the three-way valve 5 is opened in the A direction, and the solenoid valves 7, 10, and 14 are also opened. 12 to cool each heat recovery zone, and a condenser 3 to exhaust heat.
（Ｉｉ）中間期
中間期には、一般事務所等の人間が在室する室の冷暖房
は必要としないが、電算機室等の機械からの発熱の排熱
のみを処理する場合には、町３方弁５はＡ方向に開通さ
れると共に電磁弁１０も開かれ、電磁弁７，１４は閉じ
られるので、熱回収用蒸発器１２により熱回収ゾーンを
冷房すると共に、凝縮器３により排熱する。(Ii) Intermediate period During the intermediate period, there is no need to cool or heat rooms where people are present, such as general offices, but if only waste heat generated from machines such as computer rooms is to be treated, the town The three-way valve 5 is opened in the A direction, the solenoid valve 10 is also opened, and the solenoid valves 7 and 14 are closed, so the heat recovery evaporator 12 cools the heat recovery zone, and the condenser 3 cools the heat recovery zone. do.
（Ｉｉｉ）暖房運転暖房運転時には、３方弁５はＢ方向
に開通されると共に電磁弁１０も開かれ、電磁弁７，１
４は閉じられる。(Iiii) Heating operation During heating operation, the three-way valve 5 is opened in the B direction and the solenoid valve 10 is also opened, and the solenoid valves 7 and 1 are opened.
4 is closed.
凝縮器３は凝縮作用をさせないよう通水を止め、冷暖房
用熱交換器９を凝縮器として運転させ温水を作つて冷暖
房ゾーンを暖房すると共に、熱回収用蒸発器１２により
熱回収ゾーンを冷房する。上述した本発明によれば、次
のような効果がある。The water flow to the condenser 3 is stopped to prevent condensation, and the cooling/heating heat exchanger 9 is operated as a condenser to produce hot water to heat the cooling/heating zone, and the heat recovery evaporator 12 cools the heat recovery zone. . According to the present invention described above, there are the following effects.
（１）冷暖房用温水系統、熱回収用冷水系統および排熱
用冷却水系統がそれぞれ独立しているため、水回路の切
替えが不要で、かつ切替弁も必要でなく、３方弁と３個
の電磁弁を電気的的に切換えるだけでよい。(1) The hot water system for heating and cooling, the cold water system for heat recovery, and the cooling water system for exhaust heat are each independent, so there is no need to switch water circuits, and there is no need for a switching valve. All you need to do is electrically switch the solenoid valve.
したがつて保守が簡単であるばかりでなく、冷温水配管
工事費が安価となる。（２）冷暖房用熱交換器と熱回収
用蒸発器はそれぞれの負荷に相応した容量のものでよい
から、従来例より小容量のものでよい。Therefore, not only is maintenance easy, but the cold/hot water piping construction cost is also low. (2) The cooling/heating heat exchanger and the heat recovery evaporator need only have a capacity that corresponds to their respective loads, so they may have a smaller capacity than the conventional example.
（３）熱回収系統が独立しているため、この系統の熱媒
体にブラインを用いると熱媒体温度が−７℃ないし−１
０℃位まで使用できるので、低温排熱できるから排熱の
有効利用度を高めることができる。(3) Since the heat recovery system is independent, if brine is used as the heat medium in this system, the heat medium temperature will be -7℃ to -1℃.
Since it can be used down to around 0°C, it can exhaust heat at a low temperature, increasing the efficiency of exhaust heat utilization.
図面は本発明の熱回収式冷温水装置の一実施例を示す系
統図である。
１・・・・・・圧縮機、３・・・・・・凝縮器、５・・
・・・・３方弁、６，１８・・・・・逆止弁、７，１０
，１４・・・・・・電磁弁、８，１１・・・・・・膨脹
弁、９・・・・・・冷暖房用熱交換器、１２・・・・・
・熱回収用交換器。The drawing is a system diagram showing one embodiment of the heat recovery type cold/hot water device of the present invention. 1... Compressor, 3... Condenser, 5...
...3-way valve, 6,18...Check valve, 7,10
, 14... Solenoid valve, 8, 11... Expansion valve, 9... Air conditioning heat exchanger, 12...
・Exchanger for heat recovery.
Claims (1)
器等を関連接続させて冷凍サイクルを形成した熱回収冷
暖房装置において、冷房運転時には、圧縮機１−ガス入
口弁２−凝縮器３−液出口弁４−三方弁５−逆止弁６−
電磁弁７−冷房用膨脹弁８−冷暖房用熱交換器９−電磁
弁１４−圧縮機１なるサイクルと、前記三方弁５−電磁
弁１０−熱回収用膨脹弁１１−熱回収用蒸発器１２−圧
縮機１なる並列回路を形成し、中間期には、圧縮機１−
ガス入口弁２−凝縮器３−液出口弁４−三方弁５−電磁
弁１０−熱回収用膨脹弁１１−熱回収用蒸発器１２−圧
縮機１なるサイクルを形成し、暖房運転時には、圧縮機
１−ガス入口弁２−凝縮器３（通水せず）−液出口弁４
−三方弁５−冷暖房用熱交換器９−逆止弁１３−電磁弁
１０−熱回収用膨脹弁１１−熱回収用蒸発器１２−圧縮
機１なるサイクルを形成することを特徴とする熱回収式
冷温水装置。1 In a heat recovery air conditioning system in which a compressor, a condenser, an expansion valve, an evaporator, and heat recovery equipment, etc. are connected to form a refrigeration cycle, during cooling operation, the compressor 1 - gas inlet valve 2 - condenser 3 -Liquid outlet valve 4-Three-way valve 5-Check valve 6-
A cycle consisting of a solenoid valve 7 - an expansion valve for cooling 8 - a heat exchanger for heating and cooling 9 - a solenoid valve 14 - a compressor 1, and the three-way valve 5 - solenoid valve 10 - an expansion valve for heat recovery 11 - an evaporator for heat recovery 12 - form a parallel circuit of compressor 1, and in the intermediate period, compressor 1 -
A cycle consisting of gas inlet valve 2 - condenser 3 - liquid outlet valve 4 - three-way valve 5 - solenoid valve 10 - heat recovery expansion valve 11 - heat recovery evaporator 12 - compressor 1 is formed, and during heating operation, compression Machine 1 - Gas inlet valve 2 - Condenser 3 (no water flowing) - Liquid outlet valve 4
- Three-way valve 5 - Air conditioning heat exchanger 9 - Check valve 13 - Solenoid valve 10 - Heat recovery expansion valve 11 - Heat recovery evaporator 12 - Compressor 1 Type cold/hot water device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9736779A JPS6045346B2 (en) | 1979-08-01 | 1979-08-01 | Heat recovery type cold/hot water device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9736779A JPS6045346B2 (en) | 1979-08-01 | 1979-08-01 | Heat recovery type cold/hot water device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5623670A JPS5623670A (en) | 1981-03-06 |
| JPS6045346B2 true JPS6045346B2 (en) | 1985-10-08 |
Family
ID=14190526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9736779A Expired JPS6045346B2 (en) | 1979-08-01 | 1979-08-01 | Heat recovery type cold/hot water device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6045346B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0834749B2 (en) * | 1992-01-31 | 1996-03-29 | 株式会社ワールドケミカル | Liquid recovery device |
-
1979
- 1979-08-01 JP JP9736779A patent/JPS6045346B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5623670A (en) | 1981-03-06 |
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