JPH06307683A - Ice heat storage system - Google Patents
Ice heat storage systemInfo
- Publication number
- JPH06307683A JPH06307683A JP9575993A JP9575993A JPH06307683A JP H06307683 A JPH06307683 A JP H06307683A JP 9575993 A JP9575993 A JP 9575993A JP 9575993 A JP9575993 A JP 9575993A JP H06307683 A JPH06307683 A JP H06307683A
- Authority
- JP
- Japan
- Prior art keywords
- ice
- heat storage
- brine
- ice maker
- storage system
- 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
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、氷蓄熱システム、より
詳しくは、地域冷暖房等に用いられる氷蓄熱システムに
関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ice heat storage system, and more particularly to an ice heat storage system used for district heating and cooling.
【０００２】[0002]
【従来の技術】地域冷房を行うため、夜間電力を用いて
氷を製造し、この氷の冷熱を昼間の冷房に用いるいわゆ
る氷蓄熱システムが知られている。その１つとして、図
２に示すような氷蓄熱システムがある。図２において、
１は、本体２内に多数の伝熱管３を並列に配置した熱交
換器型の製氷器であり、この製氷器１の上部にある製氷
室４と蓄熱槽７の上部とは、氷スラリー通路５を介して
連通されている。また、蓄熱槽７の下部と製氷器１の下
部に設けられたブライン室８とは、ブライン供給ポンプ
９を有するブライン供給管１０によって連結されてい
る。2. Description of the Related Art In order to perform district cooling, a so-called ice heat storage system is known in which ice is manufactured by using electric power at night and the cold heat of the ice is used for cooling in the daytime. One of them is an ice heat storage system as shown in FIG. In FIG.
Reference numeral 1 denotes a heat exchanger type ice maker in which a large number of heat transfer tubes 3 are arranged in parallel in a main body 2, and an ice making chamber 4 and an upper part of a heat storage tank 7 at the top of the ice making device 1 are ice slurry passages. 5 are communicated with each other. Further, the lower portion of the heat storage tank 7 and the brine chamber 8 provided at the lower portion of the ice maker 1 are connected by a brine supply pipe 10 having a brine supply pump 9.
【０００３】このブライン室８内には、多孔板１１と空
気噴出ノズル１２とが配され、圧縮機１３より送気され
た空気は、空気管１４を通って空気噴出ノズル１２より
多孔板１１の下方に供給され、この多孔板１１の小孔を
通過する間に気泡となり、伝熱管３内に上昇する間に蓄
熱用ブライン６を攪拌するようになっている。一方、チ
ラーユニット１５で冷却された冷却用ブライン１６は、
ブラインポンプ１７により管１８を通って製氷器本体２
内に供給され、伝熱管３内の蓄熱用ブライン６を冷却す
るようになっている。In this brine chamber 8, a perforated plate 11 and an air jet nozzle 12 are arranged, and the air sent from the compressor 13 passes through an air pipe 14 and the perforated plate 11 from the air jet nozzle 12. The heat-supplied brine 6 is supplied downward and becomes bubbles while passing through the small holes of the perforated plate 11, and agitates the heat storage brine 6 while rising into the heat transfer tube 3. On the other hand, the cooling brine 16 cooled by the chiller unit 15 is
The ice pump body 2 is passed through the pipe 18 by the brine pump 17.
The heat storage brine 6 in the heat transfer tube 3 is cooled by being supplied into the heat transfer tube 3.
【０００４】なお、図２において、１９は空調機、２０
はブラインポンプ、２１は供給管である。また、チラー
ユニット１５は、ヒートポンプ方式を採用しており、１
５ａはブライン熱交換器、１５ｂは圧縮機、１５ｃはア
キュムレータ、１５ｄは四方弁、１５ｅは空気式熱交換
器、１５ｆは膨張弁、これらの機器を結ぶ管路から構成
されている。In FIG. 2, 19 is an air conditioner, and 20 is
Is a brine pump, and 21 is a supply pipe. Further, the chiller unit 15 adopts a heat pump system,
5a is a brine heat exchanger, 15b is a compressor, 15c is an accumulator, 15d is a four-way valve, 15e is an air heat exchanger, 15f is an expansion valve, and a pipe connecting these devices.
【０００５】しかし、この氷蓄熱システムは、製氷器１
とブライン熱交換器１５ａとの冷却方法が２段構えとな
るので、冷凍サイクル上の蒸発温度が低下し、チラーユ
ニットのＣＯＰ（成績係数）が低下する。また、冷却ブ
ライン循環用ポンプ１７を必要とし、しかも、その流量
が多量となるため、装置全体の消費動力が増加し、シス
テムＣＯＰ（装置全体の成績係数）が低下するという欠
点があった。However, this ice heat storage system is used in the ice maker 1.
Since the cooling method of the heat exchanger and the brine heat exchanger 15a has two stages, the evaporation temperature on the refrigeration cycle is lowered and the COP (coefficient of performance) of the chiller unit is lowered. Further, since the cooling brine circulation pump 17 is required and the flow rate is large, the power consumption of the entire apparatus increases, and the system COP (coefficient of performance of the entire apparatus) is reduced.
【０００６】[0006]
【発明の解決しようとする課題】本発明は、上記の欠点
を解決するためになされたものであり、その目的は、チ
ラーユニットのＣＯＰの向上を図ると共に、システムＣ
ＯＰの向上を図ることにある。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned drawbacks, and an object thereof is to improve the COP of a chiller unit and to improve the system C.
The goal is to improve OP.
【０００７】[0007]
【課題を解決するための手段】上記の目的を達成し得る
本発明の氷蓄熱システムは、本体内に多数の伝熱管を並
設させた熱交換器型の製氷器を立設し、この製氷器の上
部と蓄熱用ブラインを貯蔵する蓄熱槽上部とを氷スラリ
ー通路により連結すると共に、製氷器下部と蓄熱槽下部
とをブライン供給管により連通させ、かつ製氷器本体内
胴側に冷媒液を供給するようにした氷蓄熱システムにお
いて、製氷器に充満させる冷媒液の量を製氷器本体のほ
ぼ９割方とし、製氷器自体を冷凍サイクルの蒸発器とす
ることを特徴とする。このように、製氷器が冷凍サイク
ルの蒸発器を兼ねることにより、チラーユニットのＣＯ
Ｐが向上すると共に、システム全体のＣＯＰも向上す
る。According to the ice heat storage system of the present invention which can achieve the above object, a heat exchanger type ice maker having a large number of heat transfer tubes arranged side by side in the main body is provided upright. The upper part of the ice maker and the upper part of the heat storage tank that stores the brine for heat storage are connected by an ice slurry passage, and the lower part of the ice maker and the lower part of the heat storage tub are connected by a brine supply pipe, and the refrigerant liquid is supplied to the body side inside the ice maker body. In the ice heat storage system to be supplied, the amount of the refrigerant liquid filled in the ice maker is about 90% of the ice maker main body, and the ice maker itself is an evaporator of the refrigeration cycle. In this way, the ice maker also serves as the evaporator of the refrigeration cycle, so that the CO of the chiller unit is
As P improves, COP of the entire system also improves.
【０００８】[0008]
【実施例】以下、図面により本考案の実施例を説明す
る。図１において、１は、本体２内に多数の伝熱管３を
並設した熱交換器型の製氷器１であり、製氷器１の上部
にある製氷室４と蓄熱槽７の上部とは、氷スラリー通路
５を介して連通されている。Embodiments of the present invention will be described below with reference to the drawings. In FIG. 1, reference numeral 1 denotes a heat exchanger type ice maker 1 in which a large number of heat transfer tubes 3 are arranged side by side in a main body 2, and an ice making chamber 4 above the ice maker 1 and an upper portion of a heat storage tank 7 are They are communicated with each other via the ice slurry passage 5.
【０００９】また、蓄熱槽７の下部と製氷器１の下部に
設けられたブライン室８とは、ブライン供給ポンプ９を
有するブライン供給管１０によって連結されている。こ
のブライン室８内には、多孔板１１と空気噴出ノズル１
２とが配され、圧縮機１３より送気された空気は、空気
室１４を通って空気噴出ノズル１２より多孔板１１の下
方に供給され、多孔板１１の小孔を通過する間に気泡と
なり、伝熱管３内を上昇する間に蓄熱用ブライン６を攪
拌するようになっている。The lower portion of the heat storage tank 7 and the brine chamber 8 provided at the lower portion of the ice maker 1 are connected by a brine supply pipe 10 having a brine supply pump 9. In the brine chamber 8, the perforated plate 11 and the air ejection nozzle 1
2 is arranged, and the air sent from the compressor 13 passes through the air chamber 14 and is supplied below the perforated plate 11 from the air ejection nozzle 12, and becomes air bubbles while passing through the small holes of the perforated plate 11. The heat storage brine 6 is agitated while rising in the heat transfer tube 3.
【００１０】一方、チラーユニット１５は、圧縮機１５
ｂ、凝縮器１５ｅ、受液器２７、油戻し熱交換器２８、
液供給弁２９、冷媒液供給器３０とから構成されてお
り、製氷器１の本体２内には、冷媒液１６がほぼ９割方
充満されている。そして、製氷器１に並設置された冷媒
液供給器３０の底部は管３２ａを介して製氷器本体２の
下方部（冷媒液存在部）に連通し、上部は、管３２ｂを
介して製氷器本体２の上部（蒸発ガス部）に連通してい
る。また、冷媒液供給管３０の頂部は、管３２ｃを介し
て圧縮機１５ｂに連通している。圧縮機１５ｂで圧縮さ
れた冷媒ガスは、管３２ｄを通って恐縮器１５ｅに至っ
て凝縮されたのち、管３２ｃを通って受液器２７に入
る。受液器２７内の冷媒液は、管３２ｆの途中に配した
油戻し熱交換器２８を経て液供給弁２９に達し、冷媒液
は管３２ｇを通って冷媒液供給器３０の液溜部３０ａに
入り、冷媒ガスは管３２ｈを通って冷媒液供給器３０の
ガス溜め３０ｂに入る。また、製氷器本体２内の冷媒液
および油の一部は管３３ｉにより油戻し熱交換器２８を
経て圧縮機１５ｂの上流側に戻される。On the other hand, the chiller unit 15 includes a compressor 15
b, condenser 15e, liquid receiver 27, oil return heat exchanger 28,
It is composed of a liquid supply valve 29 and a refrigerant liquid supply device 30, and the main body 2 of the ice maker 1 is substantially filled with the refrigerant liquid 16 by 90%. The bottom portion of the refrigerant liquid supply device 30 installed in parallel in the ice maker 1 communicates with the lower portion (refrigerant liquid existence portion) of the ice maker body 2 via the pipe 32a, and the upper portion thereof via the pipe 32b. It communicates with the upper portion (evaporated gas portion) of the main body 2. The top of the refrigerant liquid supply pipe 30 communicates with the compressor 15b via a pipe 32c. The refrigerant gas compressed by the compressor 15b passes through the pipe 32d, reaches the reducer 15e, is condensed, and then enters the liquid receiver 27 through the pipe 32c. The refrigerant liquid in the liquid receiver 27 reaches the liquid supply valve 29 through the oil return heat exchanger 28 arranged in the middle of the pipe 32f, and the refrigerant liquid passes through the pipe 32g and the liquid reservoir 30a of the refrigerant liquid supply device 30. Then, the refrigerant gas enters the gas reservoir 30b of the refrigerant liquid supplier 30 through the pipe 32h. Further, a part of the refrigerant liquid and oil in the ice maker main body 2 is returned to the upstream side of the compressor 15b through the oil return heat exchanger 28 by the pipe 33i.
【００１１】上記のように、本発明では、製氷器１がチ
ラーユニット１５における蒸発器となるため、冷凍サイ
クル上の蒸発温度が高くなりチラーユニット１５におけ
るＣＯＰが従来のブライン冷却方式より２０〜３０％向
上する。また、冷却ブライン循環ポンプ１７が不要とな
るため、システム全体のＣＯＰもブライン冷却方式より
３０〜４０％向上する。尚、図１中、２１は蓄熱用ブラ
イン配送管、３３は熱交換器、３４は負荷、３５は冷水
ポンプである。As described above, in the present invention, since the ice maker 1 serves as an evaporator in the chiller unit 15, the evaporation temperature on the refrigeration cycle becomes high and the COP in the chiller unit 15 is 20 to 30 as compared with the conventional brine cooling system. %improves. Further, since the cooling brine circulation pump 17 is unnecessary, the COP of the entire system is improved by 30 to 40% as compared with the brine cooling system. In FIG. 1, 21 is a heat storage brine delivery pipe, 33 is a heat exchanger, 34 is a load, and 35 is a cold water pump.
【００１２】[0012]
【発明の効果】上記のように、本発明は、製氷器をチラ
ーユニットにおける蒸発器に利用したので、チラーユニ
ットにおけるＣＯＰが従来のブライン冷却方式より２０
〜３０％向上すると共に、システム全体のＣＯＰが３０
〜４０％向上するようになった。As described above, according to the present invention, since the ice maker is used as the evaporator in the chiller unit, the COP in the chiller unit is 20% lower than that in the conventional brine cooling system.
~ 30% improvement and COP of entire system is 30%
~ 40% improved.
【図１】本発明に係る氷蓄熱システムの全体図である。FIG. 1 is an overall view of an ice heat storage system according to the present invention.
【図２】従来のブライン冷却方式の全体図である。FIG. 2 is an overall view of a conventional brine cooling system.
１ 製氷器 ２ 本体 ３ 伝熱管 ５ 氷スラリー通
路 ７ 蓄熱槽 １０ ブライン供
給管1 Ice Maker 2 Main Body 3 Heat Transfer Tube 5 Ice Slurry Passage 7 Heat Storage Tank 10 Brine Supply Pipe
───────────────────────────────────────────────────── フロントページの続き (72)発明者 伊沢 英孝 岡山県玉野市玉３丁目１番１号 三井造船 株式会社玉野事業所内 (72)発明者 滝口 堅 岡山県玉野市玉３丁目１番１号 三井造船 株式会社玉野事業所内 (72)発明者 河野 孝 岡山県玉野市玉３丁目１番１号 三井造船 株式会社玉野事業所内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hidetaka Izawa 3-1-1 Tamama, Tamano-shi, Okayama Mitsui Engineering & Shipbuilding Co., Ltd. Tamano Works (72) Inventor Ken Takiguchi 3-1-1 Tamama, Okayama Prefecture Mitsui Engineering & Shipbuilding Co., Ltd. Tamano Works (72) Inventor Takashi Kono 3-1-1 Tam, Tamano-shi, Okayama Mitsui Shipbuilding Co., Ltd. Tamano Works
Claims (1)
換器型の製氷器を立設し、この製氷器の上部と蓄熱用ブ
ラインを貯蔵する蓄熱槽上部とを氷スラリー通路により
連結すると共に、製氷器下部と蓄熱槽下部とをブライン
供給管により連通させ、かつ製氷器本体内胴側に冷媒液
を供給するようにした氷蓄熱システムにおいて、製氷器
に充満させる冷媒液の量を製氷器本体のほぼ９割方と
し、製氷器自体を冷凍サイクルの蒸発器とすることを特
徴とする氷蓄熱システム。1. A heat exchanger type ice maker, in which a large number of heat transfer tubes are arranged side by side in the main body, is erected, and an upper part of the ice maker and an upper part of a heat storage tank for storing heat storage brine are provided by an ice slurry passage. In the ice heat storage system, which is connected to the lower part of the ice maker and the lower part of the heat storage tank by a brine supply pipe, and which supplies the refrigerant liquid to the body side of the body of the ice maker, the amount of the refrigerant liquid filled in the ice maker. The ice storage system is characterized in that the ice making device is approximately 90% of the body of the ice making device, and the ice making device itself is an evaporator of a refrigeration cycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP05095759A JP3099251B2 (en) | 1993-04-22 | 1993-04-22 | Ice storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP05095759A JP3099251B2 (en) | 1993-04-22 | 1993-04-22 | Ice storage system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06307683A true JPH06307683A (en) | 1994-11-01 |
| JP3099251B2 JP3099251B2 (en) | 2000-10-16 |
Family
ID=14146419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP05095759A Expired - Lifetime JP3099251B2 (en) | 1993-04-22 | 1993-04-22 | Ice storage system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3099251B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006119A (en) * | 2019-04-08 | 2019-07-12 | 深圳市伟力低碳股份有限公司 | Refrigeration unit |
-
1993
- 1993-04-22 JP JP05095759A patent/JP3099251B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006119A (en) * | 2019-04-08 | 2019-07-12 | 深圳市伟力低碳股份有限公司 | Refrigeration unit |
| CN110006119B (en) * | 2019-04-08 | 2020-04-10 | 深圳市伟力低碳股份有限公司 | Refrigerating unit and operation method thereof, air conditioner and ice slurry generator |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3099251B2 (en) | 2000-10-16 |
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