JPH0972641A - Heat exchanger for making ice for ice rink - Google Patents
Heat exchanger for making ice for ice rinkInfo
- Publication number
- JPH0972641A JPH0972641A JP7228396A JP22839695A JPH0972641A JP H0972641 A JPH0972641 A JP H0972641A JP 7228396 A JP7228396 A JP 7228396A JP 22839695 A JP22839695 A JP 22839695A JP H0972641 A JPH0972641 A JP H0972641A
- Authority
- JP
- Japan
- Prior art keywords
- ice
- rink
- secondary refrigerant
- heat exchanger
- ice making
- 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
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、アイスリンク、と
りわけ、多目的に利用される競技場に設置されるアイス
リンクの製氷用熱交換器に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ice rink, and more particularly to an ice rink heat exchanger for a multi-purpose stadium.
【0002】[0002]
【従来の技術】従来、屋内競技場を用途に応じて種々の
競技に活用したいという要求があり、現在ではバンクが
進退かつ収納自在に設けられて競輪場としても使用でき
るようになった競技場が存在する。このように、例えば
競輪場として使用可能な状態になっている場合、その内
側空間をバスケットボール,バレーボールおよびバドミ
ントン,テニス等の競技場としても同時に使用すること
ができる。また、前記内側空間はこれら競技場以外にも
アイスリンクを構えて、アイススケート場として用いる
ことも考えられる。2. Description of the Related Art Conventionally, there has been a demand to utilize indoor stadiums for various sports depending on the intended use, and nowadays, a stadium has been set up so that it can be retracted and stored, and it can now be used as a bicycle racetrack. Exists. Thus, for example, when it is in a state where it can be used as a bicycle racetrack, its inner space can be simultaneously used as a stadium for basketball, volleyball, badminton, tennis and the like. It is also conceivable that the inside space may be used as an ice skating rink by holding an ice rink in addition to these stadiums.
【0003】ところで、一般にアイスリンクを構成する
には冷凍サイクルを用いてリンク場に溜めた水を凍らせ
るようになっている。このようなアイスリンクに用いら
れる冷凍サイクルでは、この冷凍サイクルによって一次
冷媒を冷却し、この一次冷媒によって不凍液を用いた二
次冷媒を冷却すると共に、この二次冷媒を製氷用の熱交
換器に導入してスケートリンクの氷を製氷するようにな
っている。By the way, generally, in order to construct an ice rink, a refrigeration cycle is used to freeze water stored in the rink field. In the refrigeration cycle used in such an ice rink, the primary refrigerant is cooled by this refrigeration cycle, and the secondary refrigerant using an antifreeze liquid is cooled by the primary refrigerant, and the secondary refrigerant is used as a heat exchanger for ice making. It has been introduced to make ice for skating rinks.
【0004】[0004]
【発明が解決しようとする課題】しかしながら、かかる
従来のアイスリンクの製氷用熱交換器にあっては、配管
をU字状に配置してこのU字状配管に前記二次冷媒を循
環させる構造となっている。このため、前記U字状配管
が凍結しようとする水との接触面積が小さくなり、延い
ては、二次冷媒と水との熱交換率が悪化する。従って、
アイスリンクを作成するのに著しく長い時間を要する一
方、アイスリンクの製氷時間を短縮するためには冷凍サ
イクルの大型化を余儀なくされるという課題があった。However, in such a conventional ice rink heat exchanger for ice making, the pipes are arranged in a U-shape and the secondary refrigerant is circulated in the U-shaped pipe. Has become. Therefore, the contact area of the U-shaped pipe with the water that is about to freeze becomes small, and the heat exchange rate between the secondary refrigerant and the water deteriorates. Therefore,
While it takes a significantly long time to create the ice rink, there is a problem that the refrigeration cycle must be increased in size in order to reduce the ice making time of the ice rink.
【0005】そこで、本発明はかかる従来の課題に鑑み
て、二次冷媒と製氷しようとする水との熱交換率を著し
く向上して、冷凍サイクルの小形化を達成することがで
きるアイスリンクの製氷用熱交換器を提供することを目
的とする。In view of such conventional problems, the present invention provides an ice rink capable of achieving a miniaturization of the refrigeration cycle by significantly improving the heat exchange rate between the secondary refrigerant and the water to be ice-made. An object is to provide a heat exchanger for ice making.
【0006】[0006]
【課題を解決するための手段】かかる目的を達成するた
めに本発明のアイスリンクの製氷用熱交換器は、冷凍サ
イクルによって一次冷媒を冷却するとともに、この一次
冷媒によって不凍液を用いた二次冷媒を冷却し、この二
次冷媒を導入してスケートリンクの氷を製氷するように
したアイスリンクの製氷用熱交換器において、上下2枚
の平板間にハニカム状に画成される複数の補強材を挟み
込むと共に、それぞれの補強材には互いに隣接する補強
材の空間部内に連通する連通穴を形成して一単位の製氷
パネルを構成し、複数の製氷パネルを互いに連結しつつ
アイスリンクの形成スペース全体に敷設すると共に、前
記二次冷媒をそれぞれの製氷パネル内に循環させて構成
する。In order to achieve the above object, the ice rink heat exchanger of the present invention cools a primary refrigerant by a refrigerating cycle and a secondary refrigerant using an antifreeze liquid by the primary refrigerant. In a heat exchanger for ice making of an ice rink, in which the secondary refrigerant is cooled to introduce ice in the skating rink, a plurality of reinforcing members formed in a honeycomb shape between two upper and lower flat plates. In addition to sandwiching each of them, each reinforcing material is formed with a communication hole that communicates with the space portion of the reinforcing material adjacent to each other to form one unit of ice making panel, and a space for forming an ice rink while connecting a plurality of ice making panels to each other. The secondary refrigerant is laid all over and is circulated in each ice making panel.
【0007】以上の構成により本発明のアイスリンクの
製氷用熱交換器は、2枚の平板間にハニカム状の補強材
を挟み込んで構成した製氷パネルに二次冷媒を循環させ
ることにより、この二次冷媒は前記補強材に形成された
連通穴を通り、ハニカム状に画成された空間内を流動す
る。このとき、補強材の空間内を流動する二次冷媒の冷
熱は補強材を挟んだ平板に伝達され、更に、この伝達さ
れた冷熱は上側の平板上に張られた水に伝達されてこれ
を凍結してアイスリンクが形成されることになる。With the above-mentioned structure, the ice rink heat exchanger of the present invention circulates the secondary refrigerant in the ice-making panel constituted by sandwiching the honeycomb-like reinforcing material between two flat plates, thereby The next refrigerant passes through the communication hole formed in the reinforcing material and flows in the space defined by the honeycomb shape. At this time, the cold heat of the secondary refrigerant flowing in the space of the reinforcing material is transferred to the flat plates sandwiching the reinforcing material, and further, the transferred cold heat is transferred to the water stretched on the upper flat plate. It will freeze and form an ice rink.
【0008】従って、本発明の製氷用熱交換器は、ハニ
カム状に画成された空間内を二次冷媒が補強材の抵抗を
受けつつ流動することにより、二次冷媒の冷熱がアイス
リンクを形成する水と熱交換されるようになっているの
で、熱交換率が著しく向上する。Therefore, in the heat exchanger for ice making of the present invention, the secondary refrigerant flows in the space defined by the honeycomb structure while receiving the resistance of the reinforcing material, whereby the cold heat of the secondary refrigerant forms the ice rink. Since it exchanges heat with the water that forms, the heat exchange rate is significantly improved.
【0009】[0009]
【発明の実施の形態】以下、本発明の実施例を添付図面
を参照して詳細に説明する。図1から図4は本発明のア
イスリンクの製氷用熱交換器の一実施例を示し、図1は
熱交換器の要部を破断して示す斜示図、図2は熱交換器
の内部構造を示す平面図、図3はアイスリンクの部分断
面図、図4はアイスリンクに用いられる冷凍サイクルの
概略構成図である。Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. 1 to 4 show an embodiment of the ice rink heat exchanger of the present invention, FIG. 1 is a perspective view showing a main part of the heat exchanger in a broken manner, and FIG. 2 is an inside of the heat exchanger. FIG. 3 is a plan view showing the structure, FIG. 3 is a partial sectional view of an ice rink, and FIG. 4 is a schematic configuration diagram of a refrigeration cycle used in the ice rink.
【0010】即ち、本実施例のアイスリンクの製氷用熱
交換器(以下、単に熱交換器と称する)10は、図1,
図2に示すように上下2枚の平板12,12a間にハニ
カム状に画成される複数の補強材14,14…を挟み込
んで構成される一単位の製氷パネル16によって構成さ
れる。また、前記それぞれの補強材14,14…には互
いに隣接する補強材14,14…の空間部S内に連通す
る連通穴14aが形成され、これら連通穴14aを後述
する二次冷媒が通過されるようになっている。そして、
前記一単位となった製氷パネル16は、図3に示すよう
に競技場の下地18に打設されたコンクリート盤20に
敷設した断熱材22上に設置されるが、このとき、製氷
パネル16,16…は複数を用いて、図4に示すよう
に、図外のカプラーを介してアイスリンク24の形成ス
ペース全体に隙間無く敷き詰められる。That is, the ice rink heat exchanger for ice making (hereinafter, simply referred to as a heat exchanger) 10 of this embodiment is shown in FIG.
As shown in FIG. 2, one unit of ice making panel 16 is formed by sandwiching a plurality of honeycomb-shaped reinforcing members 14, 14 ... Between two upper and lower flat plates 12, 12a. Further, each of the reinforcing members 14, 14 ... Is formed with a communicating hole 14a communicating with the space S of the reinforcing members 14, 14 ... Adjacent to each other, and a secondary refrigerant described later is passed through these communicating holes 14a. It has become so. And
As shown in FIG. 3, the ice-making panel 16 as one unit is installed on a heat insulating material 22 laid on a concrete board 20 placed on the ground 18 of the stadium. At this time, the ice-making panel 16, As shown in FIG. 4, a plurality of 16 ... Are spread over the entire formation space of the ice rink 24 without a gap through a coupler (not shown).
【0011】そして、前記アイスリンク24に敷設され
たそれぞれの製氷パネル16,16…には図4に示した
冷凍サイクル26から供給される二次冷媒が導入される
ようになっている。前記冷凍サイクル26は一次冷却部
26aと二次冷却部26bとを供え、一実施例冷却部2
6aではコンプレッサ28で圧縮された一次冷媒はコン
デンサ30を通して冷却して凝縮された後、ドライヤ3
2で膨脹してエバポレータ34に通し、このエバポレー
タ34で二次冷却部26bの二次冷媒と熱交換して、こ
の二次冷媒を冷却するようになっている。The secondary refrigerant supplied from the refrigeration cycle 26 shown in FIG. 4 is introduced into each of the ice making panels 16, 16 ... Installed on the ice rink 24. The refrigeration cycle 26 includes a primary cooling unit 26a and a secondary cooling unit 26b, and the cooling unit 2 according to the embodiment is used.
In 6a, the primary refrigerant compressed by the compressor 28 is cooled and condensed through the condenser 30, and then the dryer 3
2 is expanded and passed through the evaporator 34, and the evaporator 34 heat-exchanges with the secondary refrigerant of the secondary cooling section 26b to cool the secondary refrigerant.
【0012】一方、前記二次冷却部26bは前記一次冷
却部26aで冷却された二次冷媒を循環ポンプ36で加
圧し、これを供給管38を介して前記製氷パネル16,
16…に圧送するようになっている。尚、前記供給管3
8にはポンプ36の後流側にチャッキ弁40が設けられ
る。また、前記製氷パネル16,16…を通過した二次
冷媒は戻り管42を介して前記エバポレータ34に戻さ
れる。尚、戻り管42にはトラップを設けたチャッキ弁
44およびフィルタ46が設けられる。On the other hand, the secondary cooling section 26b pressurizes the secondary refrigerant cooled by the primary cooling section 26a by the circulation pump 36, and supplies it through the supply pipe 38 to the ice making panel 16,
It is designed to be pumped to 16 ... The supply pipe 3
8 is provided with a check valve 40 on the downstream side of the pump 36. Further, the secondary refrigerant passing through the ice making panels 16, 16 ... Is returned to the evaporator 34 via a return pipe 42. The return pipe 42 is provided with a check valve 44 provided with a trap and a filter 46.
【0013】ところで、前記一次冷却部26aを循環す
る一次冷媒としては、フロン135等のオゾン層を破壊
しない液体が用いられることが望ましく、また、前記二
次冷却部26bを循環する二次冷媒としては不凍液が用
いられる。By the way, it is desirable that a liquid that does not destroy the ozone layer, such as Freon 135, is used as the primary refrigerant circulating in the primary cooling section 26a, and as the secondary refrigerant circulating in the secondary cooling section 26b. Is antifreeze.
【0014】以上の構成により本発明の熱交換器10に
あっては、2枚の平板12,12a間にハニカム状の補
強材14,14…を挟み込んで構成した製氷パネル16
を複数用いて、これらをアイスリンク24の形成スペー
ス全体に敷き詰めて構成するようになっており、このよ
うに敷設された製氷パネル16,16…の上側に水が張
られる。そして、前記製氷パネル16,16…に冷凍サ
イクル26の二次冷媒を循環させることにより、この二
次冷媒が前記補強材14,14…に形成された連通穴1
4aを通り、ハニカム状に画成された空間S内を抵抗を
受けつつ流動する。このとき、補強材14,14…の空
間内を流動する二次冷媒の冷熱は、この補強材14,1
4…を挟んだ平板12,12aに伝達され、そして、上
側の平板12上に張られた水に伝達されてこれを凍結
し、アイスリンク24が形成されることになる。In the heat exchanger 10 of the present invention having the above-mentioned structure, the ice making panel 16 constituted by sandwiching the honeycomb-shaped reinforcing members 14, 14 ... Between the two flat plates 12, 12a.
Are used to lay them all over the formation space of the ice rink 24, and water is sprinkled on the upper side of the ice making panels 16, 16 ... Then, by circulating the secondary refrigerant of the refrigeration cycle 26 through the ice making panels 16, 16 ..., This secondary refrigerant is connected to the communication holes 1 formed in the reinforcing members 14, 14 ...
It flows through 4a while receiving resistance in the space S defined in a honeycomb shape. At this time, the cold heat of the secondary refrigerant flowing in the space of the reinforcing members 14, 14 ...
The ice rink 24 is formed by being transmitted to the flat plates 12 and 12a sandwiching 4 ... And being transmitted to the water stretched on the upper flat plate 12 to freeze it.
【0015】従って、本実施例の製氷用熱交換器10
は、ハニカム状の補強材14,14…の空間部S内を二
次冷媒が補強材の抵抗を受けつつ流動して、二次冷媒の
冷熱がアイスリンク24を形成する水と熱交換されるの
で、熱交換率を著しく向上することができ、アイスリン
ク24の製氷完了時間の短縮化、若しくは、冷凍サイク
ル26全体の小型化を達成することができる。Therefore, the heat exchanger 10 for ice making of the present embodiment
The secondary refrigerant flows in the space S of the honeycomb-shaped reinforcing members 14, 14 while receiving the resistance of the reinforcing member, and the cold heat of the secondary refrigerant is heat-exchanged with the water forming the ice rink 24. Therefore, the heat exchange rate can be remarkably improved, and the ice making completion time of the ice rink 24 can be shortened, or the entire refrigeration cycle 26 can be downsized.
【0016】また、前記製氷パネル16,16…は上述
したように補強材14,14…を平板12,12aで挟
み込んで構成したので、この製氷パネル16の大幅な軽
量化を達成することができる。従って、屋内競技場を多
目的に活用する目的で、アイスリンク24をこの屋内競
技場に撤去可能に設置する場合は、製氷用熱交換器10
の軽量化によってその設置および撤去作業が著しく簡単
になり、作業時間の大幅な短縮化を達成することができ
る。尚、前記製氷パネル16,16…は、平板12,1
2aおよび補強材14,14…をアルミニウム等の熱伝
導性の高い材料で形成することが望ましく、このように
アルミニウムで形成することにより熱交換率を更に増大
することができると共に、製氷パネル16,16…の更
なる軽量化を達成することができる。Further, since the ice making panels 16, 16 ... Are constituted by sandwiching the reinforcing members 14, 14 ... Between the flat plates 12, 12a as described above, it is possible to achieve a great weight reduction of the ice making panel 16. . Therefore, when the ice rink 24 is removably installed in the indoor stadium for the purpose of multipurpose use of the indoor stadium, the heat exchanger 10 for ice making is used.
The lighter weight makes the installation and removal work significantly easier, and the working time can be greatly shortened. The ice making panels 16, 16 ...
It is desirable to form 2a and the reinforcing members 14, 14 ... With a material having a high thermal conductivity such as aluminum. By forming aluminum in this way, the heat exchange rate can be further increased, and the ice making panel 16, It is possible to achieve further weight reduction of 16 ...
【0017】[0017]
【発明の効果】以上説明したように本発明のアイスリン
クの製氷用熱交換器にあっては、2枚の平板間にハニカ
ム状の補強材を挟み込んで構成した製氷パネルに、冷凍
サイクルの一次冷媒によって冷却された二次冷媒を循環
させることにより、この二次冷媒は前記補強材に形成さ
れた連通穴を通り、ハニカム状に画成された空間内を流
動する構成としたので、二次冷媒がハニカム状の補強材
を抵抗を受けつつ流動し、製氷用熱交換器の熱交換率を
著しく向上することができ、延いては、この製氷用熱交
換器の軽量化および冷凍サイクルの小型化を達成するこ
とができる。従って、アイスリンクを屋内競技場に撤去
可能に設ける場合は、その設置および撤去作業を著しく
簡単化して、作業時間の大幅な短縮化を達成できるとい
う各種優れた効果を奏する。As described above, in the ice rink heat exchanger of the present invention, the primary refrigeration cycle is applied to the ice making panel constituted by sandwiching the honeycomb-like reinforcing material between two flat plates. By circulating the secondary refrigerant cooled by the refrigerant, the secondary refrigerant passes through the communication hole formed in the reinforcing material and is configured to flow in the space defined in the honeycomb shape. The refrigerant flows through the honeycomb-shaped reinforcing material while receiving resistance, and the heat exchange rate of the ice-making heat exchanger can be remarkably improved, which in turn reduces the weight of the ice-making heat exchanger and reduces the size of the refrigeration cycle. Can be achieved. Therefore, when the ice rink is removably provided in the indoor stadium, the installation and removal work thereof can be remarkably simplified, and a great reduction in working time can be achieved.
【図1】本発明のアイスリンクの製氷用熱交換器の一実
施例を示す要部を破断した斜示図である。FIG. 1 is a perspective view in which main parts are broken away showing an embodiment of a heat exchanger for ice making of an ice rink of the present invention.
【図2】本発明の製氷用熱交換器の一実施例を示す内部
構造の平面図である。FIG. 2 is a plan view of an internal structure showing an embodiment of the heat exchanger for ice making of the present invention.
【図3】本発明の製氷用熱交換器の一実施例を示す取付
け状態の部分断面図である。FIG. 3 is a partial cross-sectional view of an attached state showing an embodiment of the heat exchanger for ice making of the present invention.
【図4】本発明が適用されるアイスリンクに用いられる
冷凍サイクルの一実施例を示す概略構成図である。FIG. 4 is a schematic configuration diagram showing an embodiment of a refrigeration cycle used in an ice rink to which the present invention is applied.
10 製氷用熱交換器 12,12a
平板 14 補強材 16 製氷パネ
ル 24 アイスリンク 26 冷凍サイ
クル10 Ice-making heat exchanger 12, 12a
Flat plate 14 Reinforcement material 16 Ice making panel 24 Ice rink 26 Refrigeration cycle
Claims (1)
ると共に、この一次冷媒によって不凍液を用いた二次冷
媒を冷却し、この二次冷媒を導入してスケートリンクの
氷を製氷するようにしたアイスリンクの製氷用熱交換器
において、 上下2枚の平板間にハニカム状に画成される複数の補強
材を挟み込むと共に、それぞれの補強材には互いに隣接
する補強材の空間部内に連通する連通穴を形成して一単
位の製氷パネルを構成し、複数の製氷パネルを互いに連
結しつつアイスリンクの形成スペース全体に敷設すると
共に、前記二次冷媒をそれぞれの製氷パネル内に循環さ
せることを特徴とするアイスリンクの製氷用熱交換器。1. An ice rink that cools a primary refrigerant by a refrigeration cycle, cools a secondary refrigerant using an antifreeze liquid by the primary refrigerant, and introduces the secondary refrigerant to make ice on a skating rink. In the heat exchanger for ice making, a plurality of honeycomb-shaped reinforcing members are sandwiched between two upper and lower flat plates, and each of the reinforcing members has a communication hole communicating with the space of the adjacent reinforcing member. It is characterized in that it is formed to form one unit of ice making panel, and a plurality of ice making panels are connected to each other and laid in the entire ice rink forming space, and the secondary refrigerant is circulated in each ice making panel. Ice rink heat exchanger for ice making.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7228396A JPH0972641A (en) | 1995-09-05 | 1995-09-05 | Heat exchanger for making ice for ice rink |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7228396A JPH0972641A (en) | 1995-09-05 | 1995-09-05 | Heat exchanger for making ice for ice rink |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0972641A true JPH0972641A (en) | 1997-03-18 |
Family
ID=16875818
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7228396A Pending JPH0972641A (en) | 1995-09-05 | 1995-09-05 | Heat exchanger for making ice for ice rink |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0972641A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6615907B1 (en) * | 1998-06-02 | 2003-09-09 | Vølstad Energy AS | Stadium with ice rink channel system for heating and/or cooling |
-
1995
- 1995-09-05 JP JP7228396A patent/JPH0972641A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6615907B1 (en) * | 1998-06-02 | 2003-09-09 | Vølstad Energy AS | Stadium with ice rink channel system for heating and/or cooling |
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