JPH05256480A - Ice cold accumulator - Google Patents

Ice cold accumulator

Info

Publication number
JPH05256480A
JPH05256480A JP4089458A JP8945892A JPH05256480A JP H05256480 A JPH05256480 A JP H05256480A JP 4089458 A JP4089458 A JP 4089458A JP 8945892 A JP8945892 A JP 8945892A JP H05256480 A JPH05256480 A JP H05256480A
Authority
JP
Japan
Prior art keywords
heat storage
water
ice
heat
storage tank
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.)
Pending
Application number
JP4089458A
Other languages
Japanese (ja)
Inventor
Toshito Takenami
敏人 竹浪
Takashi Yamashita
孝 山下
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.)
Hitachi Plant Technologies Ltd
Original Assignee
Hitachi Plant Technologies 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 Hitachi Plant Technologies Ltd filed Critical Hitachi Plant Technologies Ltd
Priority to JP4089458A priority Critical patent/JPH05256480A/en
Publication of JPH05256480A publication Critical patent/JPH05256480A/en
Pending legal-status Critical Current

Links

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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14—Thermal energy storage

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  • Other Air-Conditioning Systems (AREA)

Abstract

PURPOSE:To obtain a stable temperature of chilled water by providing in-tank volume reducing means in a heat reservoir having a heat transfer tube for icemaking water in the reservoir and a melted ice water conveying tube for feeding melted ice water to a heat exchanger. CONSTITUTION:A fluid bag of in-tank volume reducing means such as an air bag 15 is provided in a gap generated between a double slab 10 and a heat transfer tube 12 so that the gap between the slab 10 and the tube 12 can be regulated as required. That is, after the tube 12 is mounted in a heat reservoir 11, the bag 15 which can bury the gap is fixed to the stab 10 side. The gap is freely varied by a quantity of the air to be poured in the bag 15 thereby to bring water of the tube 12 into contact with the part of the tube 12 in the reservoir 1 as much as possible. Thus, ice can be efficiently melted, and a stable temperature of chilled water can be assured.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【産業上の利用分野】本発明は氷蓄熱装置に係り、特に
製氷運転時及び解氷時に、氷のできている伝熱管部分を
除いて、その周囲の水だけの槽内に、空気量により体積
が自由に変えられる空気袋等の流体袋を備えた氷蓄熱装
置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ice heat storage device, and in particular, at the time of ice making operation and defrosting, except for a heat transfer pipe part made of ice, the inside of a tank of only water is controlled by the amount of air. The present invention relates to an ice heat storage device provided with a fluid bag such as an air bag whose volume can be freely changed.

【０００２】[0002]

【従来の技術】一般に、産業や生活環境の発展、向上に
伴い、電力需要は着実に伸びており、これに対応するた
め、各電力会社は電力供給能力を増大する必要に迫られ
ている。2. Description of the Related Art Generally, the demand for electric power is steadily increasing with the development and improvement of industry and living environment, and in order to meet this demand, each electric power company is required to increase the electric power supply capacity.

【０００３】しかし、近年、発電所建設は各種要因によ
り、その建設が困難な状況になっている。そこで、その
対応策の一つとして、各電力会社は電力設備の利用率で
ある負荷率の改善に積極的に取り組み始めている。負荷
率はは年々低下しており、この原因として夏期しか稼働
しない冷房需要の増加、昼間が主の業務用需要の増加等
が挙げられ、夜間と昼間の電力使用の平準化が課題とな
っている。この平準化の一方策として、昼間の空調動力
のピークカットを図るための氷蓄熱装置が脚光を浴び、
各種方法が検討されている。However, in recent years, the construction of power plants has become difficult due to various factors. Therefore, as one of the countermeasures, each electric power company has started to actively improve the load factor, which is the utilization rate of electric power equipment. The load factor has been decreasing year by year.The causes of this are increasing cooling demand, which operates only in summer, and increasing demand for commercial use, mainly during the daytime. There is. As one of the measures for this leveling, an ice heat storage device for the purpose of cutting the peak of daytime air conditioning power is in the limelight.
Various methods are being studied.

【０００４】氷蓄熱装置には製作、施工の面から分類す
ると２通りあり、１つは氷蓄熱槽、冷凍機、ポンプ等を
一体化し、施工現場で簡便に据え付けができるようにし
たユニット型で、比較的、中小規模の建物に設置される
ことが多い。これに対し、もう１つは、氷蓄熱槽、冷凍
機、ポンプ等を施工現場で設置するセパレート型で、大
規模の建物に設置されることが多く、氷蓄熱槽は建物基
礎部の二重スラブを利用して建設される。There are two types of ice heat storage devices in terms of production and construction. One is a unit type that integrates an ice heat storage tank, a refrigerator, a pump, etc., and can be easily installed at the construction site. , It is often installed in relatively small and medium-sized buildings. On the other hand, the other is a separate type that installs an ice heat storage tank, a refrigerator, a pump, etc. at the construction site and is often installed in a large-scale building. Constructed using slabs.

【０００５】従来の二重スラブを利用した築造型蓄熱シ
ステムの蓄熱槽の平面図を図２に示す。すなわち、二重
スラブ１を利用した蓄熱槽２内部には、冷凍機から送ら
れてくるブライン等の冷媒を通す伝熱管３が設置されて
いる。この伝熱管３の周囲に氷が製氷されるが、この製
氷は夜間電力を利用して行うため、空調等の需要の少な
い夜間に行われる。そして、昼間は、この氷を解かすこ
とによって低温（２°Ｃ程度）の水（これを解氷水とい
う）ができ、この解氷水を熱源として昼間の空調等に利
用するようにしている。このため、電力の高い昼間に冷
凍機を運転する必要がなく、ピークカットが可能とな
る。FIG. 2 is a plan view of a heat storage tank of a conventional built-up type heat storage system using a double slab. That is, inside the heat storage tank 2 that uses the double slab 1, a heat transfer tube 3 for passing a refrigerant such as brine sent from the refrigerator is installed. Ice is made around the heat transfer tube 3, but since this ice making is performed using electric power at night, it is performed at night when there is little demand for air conditioning or the like. In the daytime, low-temperature (about 2 ° C) water (this is called deicing water) is formed by melting the ice, and the deicing water is used as a heat source for air conditioning in the daytime. Therefore, it is not necessary to operate the refrigerator during the daytime when the electric power is high, and the peak can be cut.

【０００６】蓄熱槽２の底部（図２では右側部分）に
は、この解氷水を吸い上げるための解氷水吸い込み部４
が設けられている。該解氷水はポンプで汲み上げられて
空調用熱源として利用された後、蓄熱槽２の上部（図２
では左側部分）に設けられた散水装置５に送られ、再び
蓄熱槽２に戻され、循環利用されている。At the bottom of the heat storage tank 2 (on the right side in FIG. 2), a deicing water suction part 4 for sucking up the deicing water.
Is provided. The thawed water is pumped up by a pump and used as a heat source for air conditioning, and then the upper portion of the heat storage tank 2 (see FIG. 2).
Then, it is sent to the water sprinkler 5 provided on the left side portion), returned to the heat storage tank 2 again, and is circulated and used.

【０００７】[0007]

【発明が解決しようとする課題】しかしながら、従来の
氷蓄熱装置にあっては、利用する二重スラブの形状が建
物によって異なり、氷蓄熱槽２の設計が各々異なってく
る。そのため、各々の氷蓄熱槽２についてユニット型に
見られるような一定の特性が得られない。すなわち、施
工性を考慮して、伝熱管３と氷蓄熱槽２との壁の間に施
工スペースを必要とすることや、散水装置５と解氷水吸
い込み部４との位置関係により氷蓄熱槽２内の解氷水の
挙動が変化する。このため、解氷水が製氷された氷と接
触しないでそのまま通過したり、逆に解氷水が停滞し、
氷の解けやすい部分と解けにくい部分とが生じたりする
ことがある。However, in the conventional ice heat storage device, the shape of the double slab to be used differs depending on the building, and the design of the ice heat storage tank 2 also differs. Therefore, it is not possible to obtain the constant characteristics as seen in the unit type for each ice heat storage tank 2. That is, in consideration of workability, a construction space is required between the wall of the heat transfer tube 3 and the ice heat storage tank 2, and the ice heat storage tank 2 is provided due to the positional relationship between the sprinkler 5 and the deicing water suction part 4. The behavior of the deicing water in the inside changes. For this reason, the thawed water passes through without making contact with the ice making, or the thawed water stagnates,
Some parts of the ice may melt and some may not.

【０００８】したがって、解氷水の水温が、氷が残って
いるにもかかわらず上昇してきたりして、安定した低温
の解氷水が得られず、昼間に冷凍機を運転せざるを得な
いといった問題があった。Therefore, the water temperature of the deicing water rises even though the ice remains, and a stable low-temperature deicing water cannot be obtained, and the refrigerator must be operated in the daytime. was there.

【０００９】本発明の目的は上述した問題に鑑みなされ
たもので、安定した冷水温度を確保し得る氷蓄熱装置を
提供することにある。An object of the present invention is to solve the above-mentioned problems, and it is an object of the present invention to provide an ice heat storage device capable of ensuring a stable cold water temperature.

【００１０】[0010]

【課題を解決するための手段】請求項１の発明は、複数
の蓄熱槽と、冷凍機と接続され各蓄熱槽内の水を製氷す
る伝熱管と、各蓄熱槽内に一端が開口すると共に他端が
熱交換器に接続され各蓄熱槽内の解氷水を熱交換器に送
る解氷水搬送管と、熱交換した解氷水を各蓄熱槽に戻す
戻し管とを有し、製氷運転時には冷凍機に接続された伝
熱管により蓄熱槽内の水を製氷し、解氷運転時には解氷
水搬送管により蓄熱槽内の解氷水を熱交換器に送ると共
に熱交換した解氷水を戻し管により蓄熱槽に戻す氷蓄熱
装置において、蓄熱槽内に槽内容積減少手段を設けたも
のである。According to a first aspect of the present invention, a plurality of heat storage tanks, a heat transfer pipe connected to a refrigerator for making water in each heat storage tank, and one end opened in each heat storage tank. The other end is connected to a heat exchanger and has a defrosting water transfer pipe that sends the defrosting water in each heat storage tank to the heat exchanger, and a return pipe that returns the defrosted water that has undergone heat exchange to each heat storage tank, and freezes during ice making operation. The water in the heat storage tank is made by the heat transfer pipe connected to the machine, and during the defrosting operation, the defrosting water in the heat storage tank is sent to the heat exchanger by the dewatering water transfer pipe, and the defrosted water that has undergone heat exchange is returned by the return pipe In the ice heat storage device to be returned to, the tank internal volume reducing means is provided in the heat storage tank.

【００１１】請求項２の発明は、槽内容積減少手段とし
て流体袋を用いたことを特徴とする。A second aspect of the present invention is characterized in that a fluid bag is used as the tank internal volume reducing means.

【００１２】請求項３の発明は、流体袋として空気袋を
用いたことを特徴とする。請求項４の発明は、流体袋と
して水袋を用いたことを特徴とする。The invention of claim 3 is characterized in that an air bag is used as the fluid bag. The invention of claim 4 is characterized in that a water bag is used as the fluid bag.

【００１３】[0013]

【作用】このように本発明によれば、蓄熱槽内の隙間を
流体袋等の槽内容積減少手段により埋めることにより、
散水装置から散水された水が必ず氷のついている伝熱管
の隙間を通過することになる。これによって、氷を有効
に解かして温度の安定した冷水を解氷水吸い込み部より
汲み上げることが可能となる。As described above, according to the present invention, by filling the gap in the heat storage tank with the tank internal volume reducing means such as a fluid bag,
The water sprinkled from the sprinkler will always pass through the gaps in the heat transfer tubes with ice. As a result, the ice can be effectively thawed and cold water having a stable temperature can be pumped up from the thawed water suction part.

【００１４】[0014]

【実施例】以下、図に示す実施例を用いて本発明の詳細
を説明する。図１は本発明に係る氷蓄熱装置の一実施例
を示す要部概略構成図である。二重スラブ１０を利用し
た蓄熱槽１１の内部には、冷凍機から送られてくるブラ
イン等の冷媒を通す伝熱管１２が設置されている。ま
た、該蓄熱槽１１の底部には、解氷水を吸い上げるため
の解氷水吸い込み部１３が設けられており、かつ蓄熱槽
１１の上部には散水装置１４設けられている。The present invention will be described in detail below with reference to the embodiments shown in the drawings. FIG. 1 is a schematic view of the essential parts of an embodiment of the ice heat storage device according to the present invention. Inside the heat storage tank 11 that uses the double slab 10, a heat transfer tube 12 that allows a refrigerant such as brine sent from the refrigerator to pass through is installed. Further, the bottom of the heat storage tank 11 is provided with a deicing water suction portion 13 for sucking up the defrosting water, and a water sprinkler 14 is provided above the heat storage tank 11.

【００１５】ところで、本実施例の特徴とするところ
は、二重スラブ１０と伝熱管１２との間に生じる隙間に
槽内容積減少手段である流体袋、本実施例にあっては空
気袋１５を設け、必要に応じてこの二重スラブ１０と伝
熱管１２との間に生じる隙間を調節することを可能とし
た点にある。なお、従来からこの隙間をできるだけ少な
くすることが理想とされていたが、伝熱管１２を取り付
ける際にどうしても人がこの隙間に入って作業をしなけ
ればならなかった。また、メンテナンス時にもこの作業
域となる隙間が必要となっていた。そこで、伝熱管１２
を取り付けた後に、前記隙間を埋めることが可能な空気
袋１５を二重スラブ１０側に固定しておき、該空気袋１
５内に注入する空気量によりこの隙間を自由に変化し得
るようにした。また、メンテナンス時にもこの空気袋１
５の中の空気を抜いて所定のスペースを作ることによ
り、作業をし易くすることが可能となる。By the way, the feature of this embodiment is that a fluid bag, which is means for reducing the volume in the tank, is provided in the gap formed between the double slab 10 and the heat transfer tube 12, and in this embodiment, an air bag 15 is used. Is provided, and it is possible to adjust the gap generated between the double slab 10 and the heat transfer tube 12 as necessary. It has been conventionally ideal that the gap be as small as possible, but when attaching the heat transfer tube 12, a person had to enter the gap and work. In addition, a gap was required to be the work area during maintenance. Therefore, the heat transfer tube 12
After mounting the air bag 15, the air bag 15 capable of filling the gap is fixed to the double slab 10 side.
This gap can be freely changed depending on the amount of air injected into No. 5. Also, this air bag 1 for maintenance
It is possible to make the work easier by removing the air in 5 to create a predetermined space.

【００１６】なお、この空気袋１５に対する空気の出し
入れの方法は、空気袋１５の一箇所に空気注入口を設け
ておき、送風機等により該空気袋１５内に空気を送風し
てふくらませるようにしている。このとき、気密性のよ
いエアダンパを用いることにより、空気袋１５の体積を
維持させることが可能となる。一方、該空気袋１５から
空気を抜く際には、送風機の吸い込み側に空気袋１５の
入口を接続して、排気するようにすればよい。The air bag 15 can be moved in and out by providing an air inlet at one position of the air bag 15 and blowing the air into the air bag 15 with a blower or the like. There is. At this time, the volume of the air bag 15 can be maintained by using an air damper having good airtightness. On the other hand, when the air is removed from the air bag 15, the inlet of the air bag 15 may be connected to the suction side of the blower so as to exhaust the air.

【００１７】このように、蓄熱槽１１内の隙間を空気袋
１５により埋めるようにすることにより、散水装置１４
から散水された水は、必ず氷のついている伝熱管１２の
隙間を通ることになる。したがって、氷を有効に解かし
て温度の安定した冷水を解氷水吸い込み部１３から汲み
上げることが可能となる。As described above, by filling the gap in the heat storage tank 11 with the air bag 15, the sprinkler 14
The water sprinkled from the water always passes through the gap between the heat transfer tubes 12 with ice. Therefore, it becomes possible to effectively thaw the ice and to pump the cold water having a stable temperature from the thawed water suction section 13.

【００１８】なお、上述した実施例によれば、槽内容積
減少手段である流体袋として空気を入れた空気袋１５を
用いたが別にこれに限定されるものではなく、空気袋１
５を水袋に換え、蓄熱槽１１内の水を出し入れして体積
を変えるようにしてもよい。このような実施例とした場
合、解氷水を汲み上げて循環させるポンプの配管を一部
分岐することで水袋へ容易に水の出し入れが可能となる
ため、設備も単純となり、空気袋を用いた場合と同様な
効果が得られる。According to the above-mentioned embodiment, the air bag 15 containing air is used as the fluid bag which is the means for reducing the volume in the tank, but it is not limited to this, and the air bag 1
5 may be replaced with a water bag, and the water in the heat storage tank 11 may be taken in and out to change the volume. In the case of such an example, by partially branching the piping of the pump that pumps and circulates the deicing water, it is possible to easily put water in and out of the water bag, so the equipment is also simple, and when using an air bag The same effect as can be obtained.

【００１９】[0019]

【発明の効果】以上説明したように本発明に係る氷蓄熱
装置によれば、蓄熱槽内に槽内容積減少手段を設け、該
蓄熱槽内の伝熱管部分に蓄熱槽の水ができるだけ多量に
接触し得るよう構成したことにより、効率よく氷を解か
すことが可能となり、これによって安定した冷水温度を
確保でき、氷による蓄熱量を有効に取り出すことができ
るという優れた効果を奏する。As described above, according to the ice heat storage device of the present invention, the tank internal volume reducing means is provided in the heat storage tank so that the heat transfer tube portion in the heat storage tank contains as much water as possible in the heat storage tank. By being configured so that they can come into contact with each other, it is possible to efficiently thaw the ice, whereby a stable cold water temperature can be secured, and an excellent effect that the heat storage amount by the ice can be effectively taken out is exhibited.

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

【図１】本発明に係る氷蓄熱装置の一実施例を示す要部
概略構成図である。FIG. 1 is a schematic configuration diagram of a main part showing an embodiment of an ice heat storage device according to the present invention.

【図２】従来の氷蓄熱装置の一例を示す一部概略構成図
である。FIG. 2 is a partial schematic configuration diagram showing an example of a conventional ice heat storage device.

【符号の説明】[Explanation of symbols]

１１ 蓄熱槽 １２ 伝熱管 １３ 解氷水吸い込み部 １４ 散水装置 １５ 空気袋 11 Heat Storage Tank 12 Heat Transfer Tube 13 Defrosting Water Suction Section 14 Sprinkler 15 Air Bag

Claims (4)

【特許請求の範囲】[Claims] 【請求項１】 複数の蓄熱槽と、冷凍機と接続され各蓄
熱槽内の水を製氷する伝熱管と、各蓄熱槽内に一端が開
口すると共に他端が熱交換器に接続され各蓄熱槽内の解
氷水を熱交換器に送る解氷水搬送管と、熱交換した解氷
水を各蓄熱槽に戻す戻し管とを有し、製氷運転時には冷
凍機に接続された伝熱管により蓄熱槽内の水を製氷し、
解氷運転時には解氷水搬送管により蓄熱槽内の解氷水を
熱交換器に送ると共に熱交換した解氷水を戻し管により
蓄熱槽に戻す氷蓄熱装置において、蓄熱槽内に槽内容積
減少手段を設けたことを特徴とする氷蓄熱装置。1. A plurality of heat storage tanks, a heat transfer pipe that is connected to a refrigerator to make water in each heat storage tank, and has one end opened in each heat storage tank and the other end connected to a heat exchanger. It has a dewatering water transfer pipe that sends the defrosting water in the tank to the heat exchanger, and a return pipe that returns the defrosted water that has undergone heat exchange to each heat storage tank, and inside the heat storage tank by the heat transfer pipe connected to the refrigerator during ice making operation. Make water from
At the time of deicing operation, the ice dewatering water transfer pipe sends the defrosting water in the heat storage tank to the heat exchanger, and the defrosted water that has exchanged heat is returned to the heat storage tank by the return pipe. An ice heat storage device characterized by being provided. 【請求項２】 槽内容積減少手段として流体袋を用いた
ことを特徴とする請求項１の氷蓄熱装置。2. The ice heat storage device according to claim 1, wherein a fluid bag is used as the tank internal volume reducing means. 【請求項３】 流体袋として空気袋を用いた請求項２の
氷蓄熱装置。3. The ice heat storage device according to claim 2, wherein an air bag is used as the fluid bag. 【請求項４】 流体袋として水袋を用いた請求項２の氷
蓄熱装置。4. The ice heat storage device according to claim 2, wherein a water bag is used as the fluid bag.
JP4089458A 1992-03-13 1992-03-13 Ice cold accumulator Pending JPH05256480A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4089458A JPH05256480A (en) 1992-03-13 1992-03-13 Ice cold accumulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4089458A JPH05256480A (en) 1992-03-13 1992-03-13 Ice cold accumulator

Publications (1)

Publication Number Publication Date
JPH05256480A true JPH05256480A (en) 1993-10-05

Family

ID=13971263

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4089458A Pending JPH05256480A (en) 1992-03-13 1992-03-13 Ice cold accumulator

Country Status (1)

Country Link
JP (1) JPH05256480A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103868301A (en) * 2014-04-15 2014-06-18 罗良宜 Simple butane dynamic ice making device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103868301A (en) * 2014-04-15 2014-06-18 罗良宜 Simple butane dynamic ice making device
CN103868301B (en) * 2014-04-15 2016-02-10 罗良宜 Simple type butane dynamic ice-making device

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