JPH102644A - Ice cold heat storage apparatus - Google Patents
Ice cold heat storage apparatusInfo
- Publication number
- JPH102644A JPH102644A JP15125396A JP15125396A JPH102644A JP H102644 A JPH102644 A JP H102644A JP 15125396 A JP15125396 A JP 15125396A JP 15125396 A JP15125396 A JP 15125396A JP H102644 A JPH102644 A JP H102644A
- Authority
- JP
- Japan
- Prior art keywords
- ice
- ice making
- antifreeze
- storage tank
- heat storage
- 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
Links
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、夜間の割安な電力
を利用して低温の熱源として利用可能な氷水を製造し、
これを貯溜槽に蓄えることにより経済的な空調や冷熱供
給を行うハーベスト方式（製氷装置にて氷の製造と脱氷
を繰返し行う）の氷蓄熱装置に関する。The present invention relates to a method for producing ice water that can be used as a low-temperature heat source by using cheap electric power at night,
The present invention relates to an ice heat storage device of a harvest type (in which ice production and deicing are repeatedly performed by an ice making device) in which this is stored in a storage tank to provide economical air conditioning and cold heat supply.
【０００２】[0002]
【従来の技術】従来のハーベスト方式の氷蓄熱装置は、
製氷槽の上部に製氷装置を設置し、貯溜槽から絶えず水
を汲上げ、垂直に設置された低温製氷面に振掛けて氷を
成長させ、氷の成長後は製氷面を加温して板状の氷を落
下させて貯蔵する方式や、皿状の製氷器に水を供給して
氷とした後にこれを加温すると共に製氷装置を反転させ
て氷を落下離脱させる製氷手法を用いている。2. Description of the Related Art A conventional harvest-type ice heat storage device includes:
An ice making device is installed at the top of the ice making tank, water is constantly pumped from the storage tank, and the ice is grown by sprinkling it on a low-temperature ice making surface installed vertically. The ice-making method of dropping and storing ice-shaped ice, or supplying water to a dish-shaped ice maker to make ice, then heating the ice and inverting the ice-making equipment to drop and detach the ice is used. .
【０００３】図７はかかる従来のハーベスト方式の氷蓄
熱装置の構成例を示すもので、１は氷を貯溜させる貯溜
槽で、この貯溜槽１の上部には製氷装置２が設置され
る。この製氷装置２の上部に貯溜槽１の底部より水循環
ポンプ３により汲出した水４を配管５を通して供給する
散水装置６が配置され、また下部には製氷された氷を粉
砕して貯溜槽１に落下させる氷粉砕装置７が配置されて
いる。FIG. 7 shows an example of the construction of such a conventional harvest type ice heat storage device. Reference numeral 1 denotes a storage tank for storing ice, and an ice making device 2 is installed above the storage tank 1. A water sprinkler 6 for supplying water 4 pumped by a water circulation pump 3 from the bottom of the storage tank 1 through a pipe 5 is disposed at an upper portion of the ice making device 2. An ice crushing device 7 for dropping is arranged.
【０００４】また、この製氷装置２は冷凍装置８に循環
路が形成されるように接続され、この冷凍装置８より供
給される低温化された不凍液により散水装置６より散水
された製氷面２ａの周囲の水を氷結させている。[0004] The ice making device 2 is connected to the refrigeration device 8 so as to form a circulation path. The ice making surface 2 a sprinkled from the water sprinkling device 6 by the low-temperature antifreeze supplied from the refrigeration device 8. The surrounding water is frozen.
【０００５】従って、このような構成の氷蓄熱装置にあ
っては、製氷面２ａから重力により落下した板状の氷は
氷粉砕装置７により細分化されて貯溜槽１の上部に落下
堆積すると共に、互いの氷間に隙間を持ちながら散在す
る。この結果、解氷に際しては無数の水の流路が氷間に
形成され、極めて良好な熱交換が達成されることから低
温の冷水を安定して取出せる利点を有する。Therefore, in the ice heat storage device having such a configuration, the plate-like ice dropped from the ice making surface 2a by gravity is fragmented by the ice crushing device 7 and drops and accumulates on the upper portion of the storage tank 1. Scattered with a gap between each other's ice. As a result, when the ice is thawed, an infinite number of water flow paths are formed between the ices and extremely good heat exchange is achieved, so that there is an advantage that low-temperature cold water can be stably extracted.
【０００６】[0006]
【発明が解決しようとする課題】しかしながら、このよ
うな従来のハーベスト方式の氷蓄熱装置では、製氷装置
２の製氷面２ａで製造された氷を重力により貯溜槽１へ
落下させているため、製氷装置２を貯溜槽１の上部に設
置する必要があり、スペース的な制限を受ける等の多く
の問題がある。However, in such a conventional harvest type ice heat storage device, ice produced on the ice making surface 2a of the ice making device 2 is dropped into the storage tank 1 by gravity, so that It is necessary to install the device 2 above the storage tank 1, and there are many problems such as being limited in space.
【０００７】即ち、製氷槽１の上部には３ｍ程度の製氷
装置２の設置スペースと、さらにその下部に氷粉砕装置
７の設置スペースが必要となる。また、製氷装置２の製
氷面２ａに水を供給するための配管５、水循環ポンプ
３、製氷面２ａで生成される氷が板状の場合には氷を細
分化する氷粉砕装置７が必要となり、またブロック状の
氷を生成する場合には氷を落下させるための製氷面反転
装置等が必要となるため、スペース性、省エネ性の点で
問題がある。That is, an installation space for the ice making device 2 of about 3 m is required above the ice making tank 1, and an installation space for the ice crushing device 7 is further required below the installation space. Further, a pipe 5 for supplying water to the ice making surface 2a of the ice making device 2, a water circulation pump 3, and an ice crushing device 7 for subdividing the ice when the ice generated on the ice making surface 2a is plate-like are required. In addition, when a block-shaped ice is generated, an ice-making surface reversing device or the like for dropping the ice is required, which is problematic in terms of space and energy saving.
【０００８】さらに、貯溜槽１の上部に製氷装置２や氷
粉砕装置７を設置する必要から、既存の水蓄熱装置を氷
蓄熱装置に改造することは不可能に近い状況である。本
発明は上記のような問題を解消し、確実な氷の離脱性能
を得、更に製氷面への水の供給が全く不要になると共
に、製造した氷を浮力にて上昇させ貯溜槽の上部に堆積
させることができる構成簡単且つ信頼性の高い氷蓄熱装
置を提供することを目的とする。Further, since it is necessary to install the ice making device 2 and the ice crushing device 7 above the storage tank 1, it is almost impossible to convert an existing water heat storage device into an ice heat storage device. The present invention solves the above-mentioned problems, obtains a reliable ice detachment performance, further eliminates the need for supplying water to the ice making surface, and raises the produced ice by buoyancy to the upper part of the storage tank. It is an object of the present invention to provide an ice heat storage device that can be deposited and has a simple configuration and high reliability.
【０００９】[0009]
【課題を解決するための手段】本発明は上記の目的を達
成するため、次のような手段により氷蓄熱装置を構成す
るものである。請求項１に対応する発明は、貯溜槽内に
収容された水を複数の製氷装置により凍結させて氷を製
造し、この氷をその成長に応じて製氷装置から離脱して
前記貯溜槽内に蓄える氷蓄熱装置において、前記貯溜槽
の底部に各製氷装置を設置し、その製氷面に前記貯溜槽
内の水を凍結させて氷を製造する。SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides an ice heat storage device using the following means. The invention corresponding to claim 1 is to freeze the water contained in the storage tank by a plurality of ice making devices to produce ice, and to separate the ice from the ice making device according to its growth, and to remove the ice into the storage tank. In the ice heat storage device, each ice making device is installed at the bottom of the storage tank, and ice is produced by freezing water in the storage tank on the ice making surface.
【００１０】従って、上記請求項１に対応する発明の氷
蓄熱装置にあっては、貯溜槽底部の水中に設置された製
氷装置により氷が製造されると、この氷は密度差（浮
力）により浮上すると共に、氷が浮上した後に水が自動
的に供給されるので、貯溜槽上部には解氷用の散水ノズ
ルを別として一切の構成物が不要となる。このことは既
存の水蓄熱装置から氷蓄熱装置への改造が可能となり、
また新規の氷蓄熱装置ではスペース効率の良いハーベス
ト方式氷蓄熱装置の提供が可能である。Therefore, in the ice heat storage device according to the first aspect of the present invention, when ice is manufactured by an ice making device installed in the water at the bottom of the storage tank, the ice is produced by a difference in density (buoyancy). Since the water is automatically supplied after the ice floats while floating, no components are required at the upper part of the storage tank except for the water spray nozzle for melting ice. This makes it possible to convert existing water storage systems to ice storage systems,
In addition, a new ice heat storage device can provide a harvest-type ice heat storage device with good space efficiency.
【００１１】請求項２に対応する発明は、請求項１に対
応する発明において、各製氷装置の製氷面に電気加熱手
段を設け、前記製氷面で製造される氷の大きさが所定の
大きさに成長したことを検知するか、あるいは所定の製
氷運転時間が経過したことを条件に前記電気加熱手段に
より製氷面を加熱して氷を離脱させる。According to a second aspect of the present invention, in the first aspect of the invention, an electric heating means is provided on an ice making surface of each ice making device, and the size of the ice produced on the ice making surface is a predetermined size. The ice making surface is heated by the electric heating means to release the ice on the condition that the growth of the ice is detected or the predetermined ice making operation time has elapsed.
【００１２】請求項３に対応する発明は、水が収容され
た貯溜槽と、この貯溜槽の底部に設置され、且つ内部に
流入する不凍液の圧力が所定圧力になると外方に膨出可
能な製氷面を有する複数の製氷装置と、前記貯溜槽の外
部に設置され、前記製氷装置との間で不凍液を循環させ
る不凍液循環系が形成された冷凍装置と、前記不凍液循
環系の前記製氷装置出口側に設けられた弁と、前記不凍
液循環系の前記冷凍装置の不凍液流入側に設けられた不
凍液循環ポンプとを備え、各製氷装置の製氷面に前記貯
溜槽内の水を凍結させて氷が製造され、この氷の大きさ
が所定の大きさに成長したことを検知するか、あるいは
所定の製氷運転時間が経過したことを条件に前記弁を全
閉して、前記製氷装置の製氷面を前記不凍液循環ポンプ
の吐出圧により外方に膨出させて製氷面から氷を離脱さ
せる。According to a third aspect of the present invention, there is provided a storage tank in which water is stored, and which can be swelled outward when the pressure of the antifreeze flowing into the storage tank reaches a predetermined pressure. A plurality of ice-making devices having an ice-making surface; a refrigerating device provided outside the storage tank and formed with an antifreeze circulation system for circulating antifreeze between the ice-making devices; and the ice-making device outlet of the antifreeze circulation system. Side, and an antifreeze circulation pump provided on the antifreeze inflow side of the refrigerating device of the antifreeze circulation system, and the ice in the storage tank is frozen by freezing water in the ice making surface of each ice making device. Manufactured, it is detected that the size of this ice has grown to a predetermined size, or the valve is fully closed on condition that a predetermined ice making operation time has elapsed, and the ice making surface of the ice making device is changed. External pressure is controlled by the discharge pressure of the antifreeze circulation pump. It swelled the ice to be removed from the ice surface to.
【００１３】上記請求項２及び請求項３に対応する発明
の氷蓄熱装置にあっては、製氷装置にて製造された氷を
製氷面から離脱させる手段として、製氷面を電気的に加
熱させる手段、あるいは機械的に製氷面を変形（膨らま
せる）させる手段を備えているので、製氷装置を水中に
設置することにより発生する氷の離脱性の問題も解決で
き、確実に氷を製氷面から離脱させることが可能とな
る。[0013] In the ice heat storage device according to the second and third aspects of the present invention, the means for detaching the ice produced by the ice making device from the ice making surface is a means for electrically heating the ice making surface. Or means for mechanically deforming (blowing) the ice making surface can solve the problem of ice detachment caused by installing the ice making device in water, and ensure that the ice comes off the ice making surface It is possible to do.
【００１４】請求項４に対応する発明は、請求項１乃至
請求項３の何ずれかの項に記載の発明において、貯溜槽
の底部に複数の製氷装置を設置するに際し、各製氷装置
を垂直に且つ互いに重なり合わないように設置する。According to a fourth aspect of the present invention, there is provided any one of the first to third aspects of the present invention, wherein when installing a plurality of ice making devices at the bottom of the storage tank, the respective ice making devices are vertically mounted. And so as not to overlap each other.
【００１５】請求項５に対応する発明は、請求項１乃至
請求項４の何ずれかの項に対応する発明において、貯溜
槽の底部に複数の製氷装置を設置するに際し、各製氷装
置の片面のみを製氷面とし、且つこの製氷面を上向きに
して設置する。The invention corresponding to claim 5 is the invention according to any one of claims 1 to 4, wherein when installing a plurality of ice making devices at the bottom of the storage tank, one side of each ice making device is provided. Only the ice making surface is set, and the ice making surface is set upward.
【００１６】上記請求項４及び請求項５に対応する発明
の氷蓄熱装置にあっては、製氷装置から離脱した氷が水
中に浮力にて上昇する際にも、製氷装置を垂直方向に互
いに重ならないように配置しているため、各製氷装置か
ら浮上する氷が製氷装置により阻害されることなく、ス
ムースに浮上させることができる。In the ice heat storage device according to the fourth and fifth aspects of the present invention, even when the ice detached from the ice making device rises in the water by buoyancy, the ice making devices are vertically overlapped with each other. Since they are arranged so as not to be disturbed, the ice floating from each ice making device can be smoothly floated without being hindered by the ice making device.
【００１７】[0017]
【発明の実施の形態】以下本発明の実施の形態を図面を
参照して説明する。図１は本発明によるハーベスト方式
の氷蓄熱装置の第１の実施の形態を示す構成図である。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a configuration diagram showing a first embodiment of a harvest type ice heat storage device according to the present invention.
【００１８】図１において、１１は水１２が収容された
貯溜槽で、この貯溜槽１１内の底部には複数の製氷装置
１３がそれぞれ並設される。これら各製氷装置１３は図
２に示すように全体が箱形に形成され、その前後両面の
縦及び横方向にそれぞれ複数の矩形状の製氷面１３ａが
形成されている。In FIG. 1, reference numeral 11 denotes a storage tank in which water 12 is stored, and a plurality of ice making devices 13 are arranged in parallel at the bottom of the storage tank 11. As shown in FIG. 2, each of the ice making devices 13 is formed in a box shape as a whole, and a plurality of rectangular ice making surfaces 13a are formed on both front and rear sides in the vertical and horizontal directions.
【００１９】これら各製氷面１３ａはその部分の板面を
それぞれ内方へ凹ましてその内周面に電気ヒータ１４が
設けられている。また、製氷面１３ａの表面には例えば
ポリプロピレンの膜のような葉っすい撥水性のある薄膜
を接着、あるいはコーティングして氷の離脱性を助長し
ている。Each of the ice making surfaces 13a is provided with an electric heater 14 on its inner peripheral surface with its plate surface depressed inward. Further, a leafy water-repellent thin film such as a polypropylene film is adhered or coated on the surface of the ice making surface 13a to promote the detachment of ice.
【００２０】一方、１６は各製氷装置１３内部に不凍液
を供給及び排出する不凍液給排出管で、この不凍液給排
出管１６には各製氷装置１３の給排口が接続されると共
に、外部に設置された冷凍装置１５に接続して不凍液を
循環させる不凍液循環系１７が形成されている。また、
冷凍装置１５の不凍液流入側の不凍液循環系１７には不
凍液循環ポンプ１８が設けられている。On the other hand, reference numeral 16 denotes an antifreeze liquid supply / discharge pipe for supplying / discharging the antifreeze into / from each ice making apparatus 13, and the antifreeze liquid supply / discharge pipe 16 is connected to a supply / discharge port of each ice making apparatus 13 and installed outside. An antifreeze circulating system 17 is connected to the refrigeration unit 15 for circulating the antifreeze. Also,
An antifreeze circulation pump 18 is provided in the antifreeze circulation system 17 on the antifreeze inflow side of the refrigerating device 15.
【００２１】また、１９は冷凍装置１５の運転及び各製
氷装置１３の電気ヒータ１４を制御する制御装置、２０
はこの制御装置１９からの指令により各製氷装置１３の
電気ヒータ１４を一定時間間隔でオン、オフする製氷タ
イマーである。A control unit 19 controls the operation of the refrigeration unit 15 and the electric heater 14 of each ice making unit 13.
Is an ice making timer for turning on and off the electric heater 14 of each ice making device 13 at a fixed time interval according to a command from the control device 19.
【００２２】次に上記のように構成された氷蓄熱装置の
作用について述べる。いま、制御装置１９からの制御指
令により冷凍装置１５が運転されると共に、製氷タイマ
ー２０が起動されると、冷凍装置１５より低温化された
不凍液が不凍液循環ポンプ１９にて不凍液給排出管１６
を経由して各製氷装置１３に圧送される。Next, the operation of the ice heat storage device configured as described above will be described. Now, when the refrigerating device 15 is operated according to a control command from the control device 19 and the ice making timer 20 is started, the antifreeze liquid cooled down from the refrigerating device 15 is supplied to the antifreeze liquid supply / discharge pipe 16 by the antifreeze circulation pump 19.
And is pressure-fed to each ice making device 13.
【００２３】すると、製氷装置１３の製氷面１３ａは不
凍液給排出管１６より流入する不凍液により低温にな
り、凹部内周囲の水１２を氷結させる。また、製氷タイ
マー２０が所定の製氷時間経過後に動作すると各製氷面
１３ａに配設された電気ヒータ１４が通電される。Then, the ice making surface 13a of the ice making device 13 is cooled by the antifreeze liquid flowing from the antifreeze liquid supply / discharge pipe 16, and freezes the water 12 around the recess. Further, when the ice making timer 20 operates after a predetermined ice making time has elapsed, the electric heaters 14 disposed on each ice making surface 13a are energized.
【００２４】これにより、各製氷面１３ａに固着してい
る氷ブロック２１の固着面が融解し、氷ブロック２１が
浮力により製氷面１３ａから離脱して水中を浮上する。
この場合、電気ヒータ１４への通電は製氷タイマー２０
により制御され、所定時間経過後にしゃ断されて製氷運
転が再開される。そして、このような繰返しにより製
氷、脱氷運転が継続される。Thus, the fixed surface of the ice block 21 fixed to each ice making surface 13a is melted, and the ice block 21 is separated from the ice making surface 13a by buoyancy and floats in the water.
In this case, the electric power to the electric heater 14 is supplied to the ice making timer 20.
And the ice making operation is restarted after a predetermined time has elapsed. The ice making and de-icing operations are continued by such repetition.
【００２５】このようにして貯溜槽１１内には水１２の
上部に徐々に氷ブロック２１が堆積する。この場合、製
氷面から離脱する氷単体の体積として１００ｃｃ以下で
あることが好ましい。In this manner, the ice block 21 is gradually deposited on the water 12 in the storage tank 11. In this case, it is preferable that the volume of the single ice detached from the ice making surface is 100 cc or less.
【００２６】ここで、制御装置１９は夜間電力の使用を
主たる目的に配置されており、所定の氷量が形成された
後に冷凍装置１５の運転が停止され、その後不凍液循環
ポンプ１８も停止する。特に貯溜槽１１内に氷が存在す
る状況からの製氷運転に際しては、事前に氷残量を検出
あるいは算出し、所定量以上の製氷が行われないように
制御される。Here, the control device 19 is arranged mainly for the purpose of using nighttime electric power. After a predetermined amount of ice is formed, the operation of the refrigeration device 15 is stopped, and then the antifreeze circulation pump 18 is also stopped. In particular, in the ice making operation under the condition that ice is present in the storage tank 11, the remaining amount of ice is detected or calculated in advance, and control is performed so that ice making more than a predetermined amount is not performed.
【００２７】以上のように本発明の第１の実施の形態に
おいては、貯溜槽１１内の水１２中に製氷装置１３を設
置し、かつ氷離脱時に製氷面１３ａに設けられた電気ヒ
ータ１４により加熱してブロック状の氷を製氷面１３ａ
から離脱させるようにしたので、確実な氷の離脱性能を
得ることができ、さらに製氷面１３ａへの水の供給が全
く不要になると共に、製造した氷を浮力にて上昇させ、
貯溜槽上部に堆積させることができる。As described above, in the first embodiment of the present invention, the ice making device 13 is installed in the water 12 in the storage tank 11, and the electric heater 14 provided on the ice making surface 13a when the ice is separated. Heat the block-shaped ice to make ice surface 13a
, It is possible to obtain a reliable ice detachment performance, furthermore, it is not necessary to supply water to the ice making surface 13a at all, and the produced ice is raised by buoyancy,
It can be deposited on top of the storage tank.
【００２８】従って、従来のハーベスト方式の氷蓄熱装
置の最大の欠点であった製氷装置を貯溜槽上部に設置し
なくてもよいので、設計自由度の高い、かつ簡潔な構成
とすることができる。Therefore, the ice making device, which is the biggest drawback of the conventional harvest type ice heat storage device, does not need to be installed above the storage tank, so that a simple design with a high degree of design freedom can be achieved. .
【００２９】図３は本発明による氷蓄熱装置の第２の実
施の形態を示す構成図である。図３において、３１は水
３２が収容された貯溜槽で、この貯溜槽３１内の底部に
は複数の製氷装置３３が配置され、各製氷装置３３の不
凍液の流入口及び流出口相互間が不凍液給排出管３４に
より接続されている。FIG. 3 is a configuration diagram showing a second embodiment of the ice heat storage device according to the present invention. In FIG. 3, reference numeral 31 denotes a storage tank containing water 32, and a plurality of ice making devices 33 are arranged at the bottom of the storage tank 31. They are connected by a supply / discharge pipe 34.
【００３０】これら各製氷装置３３は図４に示すように
全体が縦列方向に長形の箱形に形成され、その上面開口
部に縦及び横方向にそれぞれ複数の矩形状の製氷面３３
ａが形成された板面が設けられている。これら各製氷面
３３ａはその部分の板面をそれぞれ内方へ凹ましたもの
で、不凍液による内圧が所定圧力を越えると板面全体が
外方へ膨出するようになっている。As shown in FIG. 4, each of the ice making devices 33 is formed in a box shape which is long in the column direction, and has a plurality of rectangular ice making surfaces 33 in the vertical and horizontal directions at its upper opening.
A plate surface on which a is formed is provided. Each of the ice making surfaces 33a has its plate surface indented inward, and when the internal pressure due to the antifreeze exceeds a predetermined pressure, the entire plate surface swells outward.
【００３１】一方、３５は貯溜槽３１の外部に設置され
た冷凍装置で、この冷凍装置３５と製氷装置３３との間
を不凍液給排出管３４により接続して不凍液を循環させ
る不凍液循環系３６が形成されている。On the other hand, reference numeral 35 denotes a refrigerating device installed outside the storage tank 31. An antifreeze circulating system 36 for circulating the antifreeze by connecting the refrigerating device 35 and the ice making device 33 by an antifreeze liquid supply / discharge pipe 34 is provided. Is formed.
【００３２】また、３７は貯溜槽３１より下流側の不凍
液循環系３６に設けられた電動弁で、この電動弁３７は
制御装置３８からの指令によりセットされ、所定時間の
製氷運転終了を検知すると動作する製氷タイマー３９に
より閉制御される。Reference numeral 37 denotes an electric valve provided in the antifreeze circulating system 36 downstream of the storage tank 31. The electric valve 37 is set by a command from the control device 38 and detects the end of the ice making operation for a predetermined time. The closing is controlled by the operating ice making timer 39.
【００３３】さらに、４０は冷凍装置３５の不凍液入口
側の不凍液循環系３６に設けられた不凍液循環ポンプ
で、この不凍液循環ポンプ４０の上流側の不凍液循環系
３６にに不凍液溜め４１が設けられる。An antifreeze circulating pump 40 is provided in the antifreeze circulating system 36 on the antifreeze liquid inlet side of the refrigeration unit 35. An antifreeze reservoir 41 is provided in the antifreeze circulating system 36 upstream of the antifreeze circulating pump 40.
【００３４】次に上記のように構成された氷蓄熱装置の
作用について述べる。いま、制御装置３８からの指令に
より冷凍装置３５が運転されると共に、製氷タイマー３
９がセットされると、冷凍装置３５より低温化された不
凍液が不凍液循環ポンプ４０にて不凍液循環系３６を経
由して各製氷装置３３に圧送される。Next, the operation of the ice heat storage device configured as described above will be described. Now, the refrigerating device 35 is operated according to a command from the control device 38 and the ice making timer 3 is operated.
When 9 is set, the antifreeze liquid whose temperature has been lowered by the refrigerating device 35 is pumped by the antifreeze liquid circulation pump 40 to each ice making device 33 via the antifreeze liquid circulation system 36.
【００３５】すると、製氷装置３３の製氷面３３ａは不
凍液給排出管３４より流入する不凍液により低温にな
り、凹部内の水を氷結させる。また、製氷タイマー３９
が所定の製氷時間経過後に動作すると電動弁３７を閉じ
る。Then, the ice making surface 33a of the ice making device 33 is cooled to a low temperature by the antifreeze flowing from the antifreeze supply / discharge pipe 34, and freezes the water in the recess. In addition, ice making timer 39
Is operated after the elapse of a predetermined ice making time, the electric valve 37 is closed.
【００３６】これにより、不凍液循環ポンプ４０上流側
の不凍液循環系３６に設けられている不凍液溜め４１か
ら不凍液の供給は継続されるが、電動弁３７が閉じてい
るため、不凍液循環ポンプ４０の吐出圧により各製氷装
置３３の内部への不凍液は供給され続ける。Thus, the supply of the antifreeze from the antifreeze reservoir 41 provided in the antifreeze circulation system 36 on the upstream side of the antifreeze circulation pump 40 is continued, but the discharge of the antifreeze circulation pump 40 is performed because the electric valve 37 is closed. The antifreeze is continuously supplied to the inside of each ice making device 33 by the pressure.
【００３７】従って、各製氷装置３３の内部圧力が高ま
り、箱形の上面開口部に設けられた板面が外方に膨出
し、製氷面３３ａに固着している氷ブロック４２が固着
面から離脱し、氷ブロック４２が浮力により水中を浮上
する。Therefore, the internal pressure of each ice making device 33 increases, the plate surface provided at the box-shaped upper opening bulges outward, and the ice block 42 fixed to the ice making surface 33a is detached from the fixed surface. Then, the ice block 42 floats in the water by buoyancy.
【００３８】図４は変形前後の製氷面３３ａの状況を示
す模式図であり、電動弁３７により堰止められた不凍液
が製氷装置３３内に充満し、上面板が上方に膨出すると
製氷面３３ａに形成された氷ブロック４２が離脱する状
況である。FIG. 4 is a schematic view showing the condition of the ice making surface 33a before and after the deformation. When the antifreeze liquid blocked by the electric valve 37 fills the inside of the ice making device 33 and the upper plate bulges upward, the ice making surface 33a is formed. In this state, the ice block 42 formed in the area is detached.
【００３９】この場合、電動弁３７は製氷タイマー３９
により制御され、所定時間経過後に電磁弁３７への開指
令が出され、製氷運転が再開される。そして、このよう
な繰返しにより製氷、脱氷運転が継続される。In this case, the electric valve 37 is provided with an ice making timer 39.
The opening instruction to the solenoid valve 37 is issued after a lapse of a predetermined time, and the ice making operation is restarted. The ice making and de-icing operations are continued by such repetition.
【００４０】このようにして貯溜槽３１内には水３２の
上部に徐々に氷ブロック４２が堆積する。以上のように
本発明の第２の実施の形態においては、貯溜槽３１内の
水３２中に製氷装置３３を設置し、かつ氷離脱時に不凍
液の圧力により製氷面３３ａを変形させてブロック状の
氷を製氷面３３ａから離脱させるようにしたので、第１
の実施の形態と同様の作用効果を得ることができる。In this manner, the ice block 42 is gradually deposited on the water 32 in the storage tank 31. As described above, in the second embodiment of the present invention, the ice making device 33 is installed in the water 32 in the storage tank 31, and the ice making surface 33a is deformed by the pressure of the antifreeze liquid when the ice is separated, so that the ice making surface 33a is deformed. Since the ice is separated from the ice making surface 33a, the first
The same operation and effect as those of the embodiment can be obtained.
【００４１】なお、上記では製氷装置３３内の不凍液圧
により上面板を上方に膨出させて製氷面３３ａから氷ブ
ロック４２を離脱させるようにしたが、さらに氷ブロッ
クの離脱性を高めるために第１の実施の形態で示した電
気ヒータを併用することも可能である。In the above description, the upper surface plate is bulged upward by the antifreeze liquid pressure in the ice making device 33 to release the ice block 42 from the ice making surface 33a. The electric heater described in the first embodiment can be used together.
【００４２】この他、製氷装置の製氷面から氷を離脱さ
せる手段としては、従来のハーベスト方式氷蓄熱装置に
見られるように冷凍装置から製氷装置へ供給される低温
冷媒（例えばフロン等の冷凍サイクル作動媒体）を切替
弁により冷凍装置の圧縮機より吐出する高温冷媒に切替
えて製氷装置に供給することにより、製氷面を高温化し
て氷を離脱させるようにしてもよい。In addition, as a means for releasing ice from the ice making surface of the ice making device, a low-temperature refrigerant (for example, a refrigeration cycle such as Freon, etc.) supplied from the refrigerating device to the ice making device as in a conventional harvest type ice heat storage device is used. By switching the working medium to the high-temperature refrigerant discharged from the compressor of the refrigerating device by the switching valve and supplying the high-temperature refrigerant to the ice making device, the ice making surface may be heated to release the ice.
【００４３】また、第１及び第２の実施の形態では、製
氷タイマーにより氷の成長度合いを設定するようにした
が、実際に氷の成長を何等かの検知手段で検知し、この
氷の大きさが所定の大きさになったことを検知したと
き、氷を製氷面から離脱させるようにしてもよい。In the first and second embodiments, the degree of ice growth is set by the ice making timer. However, ice growth is actually detected by some detecting means, and the size of the ice is detected. When it is detected that the ice has reached a predetermined size, the ice may be separated from the ice making surface.
【００４４】さらに、第１及び第２の実施の形態では、
製氷装置の製氷面が垂直又は製氷面を上向きにして配置
する構成について説明したが、図５に示すように複数個
の製氷装置５３をそれぞれ斜め上方に傾斜させ、互いに
重なり合わないように配置し、各製氷装置５３の不凍液
の流入及び流出口を不凍液給排出管５４にそれぞれ接続
するようにしてもよい。Further, in the first and second embodiments,
Although the configuration in which the ice making surface of the ice making device is arranged vertically or with the ice making surface facing upward has been described, as shown in FIG. 5, a plurality of ice making devices 53 are respectively inclined obliquely upward and arranged so as not to overlap with each other. Alternatively, the inflow and outflow of the antifreeze of each ice making device 53 may be connected to the antifreeze supply / discharge pipe 54, respectively.
【００４５】このような配置構成とすれば、貯溜槽内に
製氷装置を高密度に設置することができる。また、第１
及び第２の実施の形態では、製氷装置の製氷面の形状と
してはブロック状の氷を生成する場合について説明した
が、この他図６に示すように板状、棒状など、離脱性を
改善できる範囲でその形状を変えるようにしてもよい。
さらに、貯溜槽の上部空間に複数個の散水ノズルを設置
すると共に、貯溜槽の底部に取水口を設けるようにして
もよい。With such an arrangement, the ice making device can be installed at a high density in the storage tank. Also, the first
In the second embodiment, the case where the ice making surface of the ice making device generates block-shaped ice has been described. In addition, as shown in FIG. 6, the detachability can be improved such as a plate shape or a bar shape. The shape may be changed within a range.
Further, a plurality of watering nozzles may be provided in the upper space of the storage tank, and an intake port may be provided at the bottom of the storage tank.
【００４６】[0046]
【発明の効果】以上述べたように本発明によれば、確実
な氷の離脱性能を得ることが可能となるため、更に製氷
面への水の供給が全く不要になると共に、製造した氷を
浮力にて上昇させ貯溜槽の上部に堆積させることができ
る簡単な構成にして信頼性の高い氷蓄熱装置を提供でき
る。As described above, according to the present invention, it is possible to obtain a reliable ice detachment performance, so that the supply of water to the ice making surface is not required at all, and the produced ice is A highly reliable ice heat storage device can be provided with a simple configuration that can be raised by buoyancy and deposited on the upper portion of the storage tank.
【図１】本発明による氷蓄熱装置の第１の実施の形態を
示す構成図。FIG. 1 is a configuration diagram showing a first embodiment of an ice heat storage device according to the present invention.
【図２】同実施の形態における製氷装置の詳細を示す説
明図。FIG. 2 is an explanatory diagram showing details of an ice making device according to the embodiment;
【図３】本発明による氷蓄熱装置の第２の実施の形態を
示す構成図。FIG. 3 is a configuration diagram showing a second embodiment of the ice heat storage device according to the present invention.
【図４】同実施の形態における製氷装置の詳細を示す説
明図。FIG. 4 is an explanatory diagram showing details of the ice making device according to the embodiment;
【図５】本発明の他の実施の形態における製氷装置の配
置構成図。FIG. 5 is an arrangement configuration diagram of an ice making device according to another embodiment of the present invention.
【図６】本発明の他の実施の形態における製氷装置の製
氷面の形状を示す図。FIG. 6 is a diagram showing a shape of an ice making surface of an ice making device according to another embodiment of the present invention.
【図７】従来のハーベスト方式の氷蓄熱装置を示す構成
図。FIG. 7 is a configuration diagram showing a conventional harvest type ice heat storage device.
１１，３１……貯溜槽 １２，３２……水 １３，３３……製氷装置 １３ａ，３３ａ……製氷面 １３ｂ……断熱層 １４……電気ヒータ １５，３５……冷凍装置 １６，３４……不凍液給排出管 １７，３６……不凍液循環系 １８，４０……不凍液循環ポンプ １９，３８……制御装置 ２０，３９……製氷タイマー ３７……電動弁 ４１……不凍液溜め 11, 31 ... storage tank 12, 32 ... water 13, 33 ... ice making device 13a, 33a ... ice making surface 13b ... heat insulating layer 14 ... electric heater 15, 35 ... refrigerating device 16, 34 ... antifreeze Supply / discharge pipes 17, 36 Antifreeze circulating system 18, 40 Antifreeze circulating pump 19, 38 Control device 20, 39 Ice making timer 37 Electric valve 41 Antifreeze reservoir
Claims (5)
置により凍結させて氷を製造し、この氷をその成長に応
じて製氷装置から離脱して前記貯溜槽内に蓄える氷蓄熱
装置において、 前記貯溜槽の底部に各製氷装置を設置し、その製氷面に
前記貯溜槽内の水を凍結させて氷を製造することを特徴
とする氷蓄熱装置。1. An ice heat storage device for freezing water contained in a storage tank by a plurality of ice making devices to produce ice, separating the ice from the ice making device according to its growth, and storing the ice in the storage tank. 3. The ice heat storage device according to claim 1, wherein each ice making device is installed at the bottom of the storage tank, and ice is produced by freezing water in the storage tank on the ice making surface.
製氷装置の製氷面に電気加熱手段を設け、前記製氷面で
製造される氷の大きさが所定の大きさに成長したことを
検知するか、あるいは所定の製氷運転時間が経過したこ
とを条件に前記電気加熱手段を一定時間作動させ、製氷
面を加熱して氷を離脱させることを特徴とする氷蓄熱装
置。2. The ice heat storage device according to claim 1, wherein electric heating means is provided on an ice making surface of each ice making device, and detects that the size of the ice produced on the ice making surface has grown to a predetermined size. An ice heat storage device, wherein the electric heating means is operated for a certain period of time on condition that a predetermined ice making operation time has elapsed, and the ice making surface is heated to release the ice.
底部に設置され、且つ内部に流入する不凍液の圧力が所
定圧力になると外方に膨出可能な製氷面を有する複数の
製氷装置と、前記貯溜槽の外部に設置され、前記製氷装
置との間で不凍液を循環させる不凍液循環系が形成され
た冷凍装置と、前記不凍液循環系の前記製氷装置出口側
に設けられた弁と、前記不凍液循環系の前記冷凍装置の
不凍液流入側に設けられた不凍液循環ポンプとを備え、 各製氷装置の製氷面に前記貯溜槽内の水を凍結させて氷
が製造され、この氷の大きさが所定の大きさに成長した
ことを検知するか、あるいは所定の製氷運転時間が経過
したことを条件に前記弁を全閉して、前記製氷装置の製
氷面を前記不凍液循環ポンプの吐出圧により外方に膨出
させて製氷面から氷を離脱させることを特徴とする氷蓄
熱装置。3. A storage tank containing water, and a plurality of ice making units installed at the bottom of the storage tank and having an ice making surface which can swell outward when the pressure of the antifreeze flowing into the inside reaches a predetermined pressure. An apparatus, a refrigeration apparatus provided outside the storage tank and having an antifreeze circulating system for circulating antifreeze between the ice making apparatus, and a valve provided on the ice making apparatus outlet side of the antifreeze circulating system. An antifreeze circulation pump provided on the antifreeze inflow side of the refrigerating device of the antifreeze circulation system, and ice is produced by freezing water in the storage tank on an ice making surface of each ice making device. Is detected, or the valve is fully closed on condition that a predetermined ice making operation time has elapsed, and the ice making surface of the ice making device is discharged from the antifreeze circulation pump. Bulge outward from the ice making surface Ice thermal storage apparatus characterized by disengaging the.
記載の氷蓄熱装置において、貯溜槽の底部に複数の製氷
装置を設置するに際し、各製氷装置を垂直方向に互いに
重なり合わないように設置したことを特徴とする氷蓄熱
装置。4. The ice heat storage device according to claim 1, wherein when installing a plurality of ice making devices at the bottom of the storage tank, the ice making devices overlap each other in a vertical direction. An ice heat storage device that is installed so that it is not installed.
記載の氷蓄熱装置において、貯溜槽の底部に複数の製氷
装置を設置するに際し、各製氷装置の片面のみを製氷面
とし、且つこの製氷面を上向きにして設置したことを特
徴とする氷蓄熱装置。5. The ice heat storage device according to claim 1, wherein when installing a plurality of ice making devices at the bottom of the storage tank, only one surface of each ice making device is used as an ice making surface. An ice heat storage device, wherein the ice making surface is installed facing upward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15125396A JPH102644A (en) | 1996-06-12 | 1996-06-12 | Ice cold heat storage apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15125396A JPH102644A (en) | 1996-06-12 | 1996-06-12 | Ice cold heat storage apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH102644A true JPH102644A (en) | 1998-01-06 |
Family
ID=15514628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15125396A Pending JPH102644A (en) | 1996-06-12 | 1996-06-12 | Ice cold heat storage apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH102644A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005061974A1 (en) * | 2003-12-19 | 2005-07-07 | Hoshizaki Denki Kabushiki Kaisha | Automatic ice maker |
| JP2008503710A (en) * | 2004-06-22 | 2008-02-07 | ザ トラスティーズ オブ ダートマウス カレッジ | Pulse system and method for peeling ice |
| CN100416190C (en) * | 2003-12-19 | 2008-09-03 | 星崎电机株式会社 | Automatic ice maker |
| JP2008544209A (en) * | 2005-06-22 | 2008-12-04 | マニトワック・フードサービス・カンパニーズ・インコーポレーテッド | Ice machine, evaporator assembly for ice machine, and method of manufacturing the same |
| EP2078907A3 (en) * | 2008-01-09 | 2013-04-03 | Whirlpool Corporation | Refrigerator with an automatic compact fluid operated icemaker |
| KR102094664B1 (en) * | 2018-09-21 | 2020-03-30 | 한국에너지기술연구원 | Seasonal Ice Storage Device Using Oscillating Heat Pipe |
| CN112556260A (en) * | 2020-12-22 | 2021-03-26 | 天津大学 | Floating ice type wind power foundation recovery equipment and operation method |
-
1996
- 1996-06-12 JP JP15125396A patent/JPH102644A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005061974A1 (en) * | 2003-12-19 | 2005-07-07 | Hoshizaki Denki Kabushiki Kaisha | Automatic ice maker |
| EP1696190A1 (en) * | 2003-12-19 | 2006-08-30 | Hoshizaki Denki Kabushiki Kaisha | Automatic ice maker |
| EP1696190A4 (en) * | 2003-12-19 | 2006-12-06 | Hoshizaki Electric Co Ltd | Automatic ice maker |
| CN100416190C (en) * | 2003-12-19 | 2008-09-03 | 星崎电机株式会社 | Automatic ice maker |
| US7444829B2 (en) | 2003-12-19 | 2008-11-04 | Hoshizaki Denki Kabushiki Kaisha | Automatic ice making machine |
| JP2008503710A (en) * | 2004-06-22 | 2008-02-07 | ザ トラスティーズ オブ ダートマウス カレッジ | Pulse system and method for peeling ice |
| JP2008544209A (en) * | 2005-06-22 | 2008-12-04 | マニトワック・フードサービス・カンパニーズ・インコーポレーテッド | Ice machine, evaporator assembly for ice machine, and method of manufacturing the same |
| EP2078907A3 (en) * | 2008-01-09 | 2013-04-03 | Whirlpool Corporation | Refrigerator with an automatic compact fluid operated icemaker |
| KR102094664B1 (en) * | 2018-09-21 | 2020-03-30 | 한국에너지기술연구원 | Seasonal Ice Storage Device Using Oscillating Heat Pipe |
| CN112556260A (en) * | 2020-12-22 | 2021-03-26 | 天津大学 | Floating ice type wind power foundation recovery equipment and operation method |
| CN112556260B (en) * | 2020-12-22 | 2024-01-05 | 天津大学 | Floating ice type wind power foundation recovery equipment and operation method |
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