JPH07104085B2 - Ice storage device for ice heat storage - Google Patents
Ice storage device for ice heat storageInfo
- Publication number
- JPH07104085B2 JPH07104085B2 JP3089750A JP8975091A JPH07104085B2 JP H07104085 B2 JPH07104085 B2 JP H07104085B2 JP 3089750 A JP3089750 A JP 3089750A JP 8975091 A JP8975091 A JP 8975091A JP H07104085 B2 JPH07104085 B2 JP H07104085B2
- Authority
- JP
- Japan
- Prior art keywords
- ice
- refrigerant
- cycle
- making
- 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.)
- Expired - Lifetime
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- Devices That Are Associated With Refrigeration Equipment (AREA)
- Other Air-Conditioning Systems (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明はダイナミック形氷蓄熱用
製氷装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dynamic ice heat storage ice making device.
【０００２】[0002]
【従来技術及び発明が解決しようとする課題】シェルア
ンドチューブ形の製氷クーラ内のチューブに蓄熱材を封
入し（製氷サイクル）、さらにこの氷を製氷クーラんら
搬出する（脱氷サイクル）という２つのサイクルを持
ち、さらに製氷クーラが数ブロックに分割されていて製
氷サイクルと脱氷サイクルを同時に行う製氷方法を採用
する場合は、各サイクルの切替において、高価な切替弁
を多数必要とし、切替のための制御も複雑となる。2. Description of the Related Art A heat storage material is enclosed in a tube in a shell-and-tube type ice cooler (ice making cycle), and this ice is carried out from the ice making cooler (de-ice cycle). When using the ice making method that has two cycles and the ice making cooler is divided into several blocks and performs the ice making cycle and the deicing cycle at the same time, a large number of expensive changeover valves are required to change over each cycle, The control for this is also complicated.
【０００３】また、切替弁が多くなればなるほど気密不
良の危険性が増大する。気密不良は特に低圧冷媒を使用
する場合には性能低下の原因となるため極力避ける必要
がある。Further, as the number of switching valves increases, the risk of air tightness increases. Poor airtightness causes performance deterioration especially when using a low-pressure refrigerant, so it is necessary to avoid it as much as possible.
【０００４】本発明は上述の点に鑑みてなされたもの
で、安価で安定した性能を満足するダイナミック形氷蓄
熱用製氷装置を提供することにある。The present invention has been made in view of the above points, and it is an object of the present invention to provide a dynamic ice heat storage device for ice storage which satisfies stable performance.
【０００５】[0005]
【課題を解決するための手段】上記課題を解決するため
本発明は、製氷用熱交換器、凝縮器及び圧縮機を具備
し、これらの機器を冷媒を通す冷媒配管で連結し、製氷
用熱交換器の製氷部は複数本のチューブを水平に配列し
たシェルアンドチューブ形で該チューブ内に製氷させる
と共に、該製氷用熱交換器の製氷部は数ブロックに分割
され、その内の少なくとも一つを脱氷サイクルとすると
きは他方を製氷サイクルとし、製氷サイクルと脱氷サイ
クルを同時に行なうことができるようにし、更に製氷部
のチューブ内に蓄熱液を凍結、脱氷する際、該蓄熱液を
停止させ、チューブ内に該蓄熱液を封入するように構成
された氷蓄熱用製氷装置において、脱氷サイクル時にお
ける脱氷用の熱源として凝縮冷媒液と圧縮冷媒ガスを用
い、脱氷サイクルと製氷サイクルの切替時における該凝
縮冷媒液の切替を１つの多方向弁を用いて行ない、製氷
サイクル時の冷媒ガスと脱氷サイクル時の脱氷用の圧縮
冷媒ガスの切替を共通の冷媒切替弁で行なうことを特徴
とする。In order to solve the above problems, the present invention comprises a heat exchanger for ice making, a condenser and a compressor, and these devices are connected by a refrigerant pipe through which a refrigerant is passed, and heat for ice making is provided. The ice making part of the exchanger is a shell-and-tube type in which a plurality of tubes are arranged horizontally, and the ice making part of the ice making heat exchanger is divided into several blocks, and at least one of them is made. was the other ice making cycle when the Datsukori cycle, ice making cycle and Datsukori cycle to allow simultaneous row of Ukoto, when further to de ice frozen, the thermal storage fluid in the tube of the ice making section, said heat reservoir In an ice heat storage ice-making device configured to stop the liquid and seal the heat storage liquid in a tube, a condensed refrigerant liquid and a compressed refrigerant gas are used as a heat source for de-icing during a de-icing cycle, and the de-icing cycle When The switching of the condensing refrigerant liquid line which have with one way valves at the time of switching of the ice cycle, ice
Refrigerant gas during cycling and compression for de-icing during de-icing
It is characterized in that the refrigerant gas is switched by a common refrigerant switching valve .
【０００６】また、共通の冷媒切替弁による製氷用の冷
媒液と脱氷用の冷媒液の切替を製氷サイクル時の冷媒ガ
スと脱氷サイクル時の脱氷用の圧縮冷媒ガスの切替１つ
の２方向電磁弁で行なうことを特徴とする。In addition, a common refrigerant switching valve is used for ice making.
Switching between the medium liquid and the refrigerant liquid for de-icing is done by the refrigerant gas during the ice making cycle.
Graphics and Datsukori cycle time row of Ukoto in 2 way solenoid valve switching one <br/> compressed refrigerant gas for de-ice and said.
【０００７】[0007]
【０００８】[0008]
【０００９】[0009]
【作用】上記のように、脱氷用の凝縮冷媒液及び圧縮冷
媒ガスの切替えを１つの多方向弁を用いて行うので、多
くの切替弁を用いることがない。従って、弁を作動させ
るための手段が極めて簡単になる。As described above, since switching between the condensed refrigerant liquid for deicing and the compressed refrigerant gas is performed by using one multi-way valve, many switching valves are not used. Therefore, the means for actuating the valve are very simple.
【００１０】上記のように、脱氷用の熱源として、冷媒
吐出ガスと凝縮冷媒液を併用することにより、短時間の
加熱が可能になる。また、凝縮冷媒液は脱氷用の熱源と
して使用される際、冷媒液自身は過冷却されることにな
り、製氷サイクルの製氷効率の向上になる。As described above, by using the refrigerant discharge gas and the condensed refrigerant liquid together as a heat source for de-icing, heating can be performed in a short time. Further, when the condensed refrigerant liquid is used as a heat source for deicing, the refrigerant liquid itself is supercooled, which improves the ice making efficiency of the ice making cycle.
【００１１】[0011]
【実施例】以下本発明の一実施例を図面に基づいて説明
する。図１は本発明の一実施例である氷蓄熱用製氷装置
のシステム構成を示す図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing the system configuration of an ice heat storage ice-making apparatus according to an embodiment of the present invention.
【００１２】図示するように、本氷蓄熱用製氷装置は、
製氷クーラ（製氷用熱交換器）１、圧縮機２及び凝縮器
３を具備し、これらの機器を冷媒配管４，５，６で連結
した構成である。製氷クーラ１は、４ブロックの製氷ク
ーラ７−１，７−２，７−３，７−４に分割されてい
る。各製氷クーラ７−１，７−２，７−３，７−４に
は、複数本のチューブを水平に配列したシェルアンドチ
ューブ形の製氷部８−１，８−２，８−３，８−４が設
けられている。そして各製氷部８−１，８−２，８−
３，８−４の上には冷媒を霧状に散布するスプレー管９
−１，９−２，９−３，９−４が配置されており、該各
スプレー管９−１，９−２，９−３，９−４には冷媒ス
プレーポンプ１０−１，１０−２，１０−３，１０−４
が接続されている。As shown in the figure, the ice-making device for ice storage is
An ice making cooler (heat exchanger for ice making) 1, a compressor 2, and a condenser 3 are provided, and these devices are connected by refrigerant pipes 4, 5, and 6. The ice making cooler 1 is divided into four blocks of ice making coolers 7-1, 7-2, 7-3, 7-4. Each ice making cooler 7-1, 7-2, 7-3, 7-4 has a shell-and-tube type ice making unit 8-1, 8-2, 8-3, 8 in which a plurality of tubes are horizontally arranged. -4 is provided. And each ice making section 8-1, 8-2, 8-
Spray pipe 9 for spraying the refrigerant in a mist state on 3, 8-4
-1, 9-2, 9-3, 9-4 are arranged, and refrigerant spray pumps 10-1, 10- are provided in the respective spray pipes 9-1, 9-2, 9-3, 9-4. 2, 10-3, 10-4
Are connected.
【００１３】また、各製氷クーラ７−１，７−２，７−
３，７−４には、冷媒液のレベルが所定を越えたら閉
じ、冷媒レベルがこの所定のレベル以上にならないよう
にするフロートバルブ１１−１，１１−２，１１−３，
１１−４が設けられている。Further, each ice making cooler 7-1, 7-2, 7-
The float valves 11-1, 11-2, 11-3, 3 and 7-4 are closed when the level of the refrigerant liquid exceeds a predetermined level so that the refrigerant level does not exceed the predetermined level.
11-4 are provided.
【００１４】また、各製氷クーラ７−１，７−２，７−
３，７−４は冷媒配管１２−１，１２−２，１２−３，
１２−４及び冷媒切替弁Ｖ１，Ｖ２，Ｖ３，Ｖ４、ヘッ
ダー１８を通して冷媒配管４に接続されている。Further, each ice making cooler 7-1, 7-2, 7-
3, 7-4 are refrigerant pipes 12-1, 12-2, 12-3,
12-4, the refrigerant switching valves V1, V2, V3, V4, and the header 18 are connected to the refrigerant pipe 4.
【００１５】また、冷媒切替弁Ｖ１，Ｖ２，Ｖ３，Ｖ４
にはそれぞれ二方電磁弁１３−１，１３−２，１３−
３，１３−４が設けられており、該二方電磁弁１３−
１，１３−２，１３−３，１３−４の一方の開口は冷媒
配管１４を介して冷媒配管５に連通している。また、二
方電磁弁１３−１，１３−２，１３−３，１３−４の他
の開口は冷媒切替弁に接続される共に一方弁Ｖ５，Ｖ
６，Ｖ７，Ｖ８を通して多方弁Ｖ９に接続されている。Further, the refrigerant switching valves V1, V2, V3, V4
Two-way solenoid valves 13-1, 13-2, 13-
3, 13-4 are provided, and the two-way solenoid valve 13-
One of the openings 1, 13-2, 13-3, 13-4 communicates with the refrigerant pipe 5 via the refrigerant pipe 14. Further, the other openings of the two-way solenoid valves 13-1, 13-2, 13-3, 13-4 are connected to the refrigerant switching valve and both one-way valves V5, V are provided.
It is connected to the multi-way valve V9 through 6, V7 and V8.
【００１６】冷媒切替弁Ｖ１，Ｖ２，Ｖ３，Ｖ４は、二
方電磁弁１３−１，１３−２，１３−３，１３−４の切
替えにより冷媒配管５内の冷媒圧力を導き該冷媒圧力と
製氷クーラ７−１，７−２，７−３，７−４の冷媒圧力
差により、閉じられるようになっている。即ち、冷媒切
替弁Ｖ１，Ｖ２，Ｖ３，Ｖ４は装置内に発生する冷媒圧
力差を駆動源とする切替弁である。The refrigerant switching valves V1, V2, V3, V4 guide the refrigerant pressure in the refrigerant pipe 5 by switching the two-way solenoid valves 13-1, 13-2, 13-3, 13-4 and the refrigerant pressures. The ice making coolers 7-1, 7-2, 7-3, and 7-4 are closed by the refrigerant pressure difference. That is, the refrigerant switching valves V1, V2, V3, V4 are switching valves that use the refrigerant pressure difference generated in the device as a drive source.
【００１７】図１においては、製氷クーラ７−１は脱氷
サイクルにあり、製氷クーラ７−２，７−３，７−４は
製氷サイクルにあり、常時３ブロック以上で製氷が行わ
れている。図１においては、二方向電磁弁１３−１を通
して、冷媒配管５内の冷媒が冷媒切替弁Ｖ１に供給され
ている。これにより、冷媒切替弁Ｖ１は製氷クーラ７−
１から排出される低圧の冷媒ガス媒を閉止し、冷媒配管
５の高温圧縮冷媒ガスを製氷クーラ７−１内に供給す
る。In FIG. 1, the ice-making cooler 7-1 is in the de-icing cycle, and the ice-making coolers 7-2, 7-3, 7-4 are in the ice-making cycle, and the ice-making is always performed in 3 blocks or more. . In FIG. 1, the refrigerant in the refrigerant pipe 5 is supplied to the refrigerant switching valve V1 through the two-way solenoid valve 13-1. As a result, the refrigerant switching valve V1 is operated by the ice making cooler 7-
The low-pressure refrigerant gas medium discharged from No. 1 is closed, and the high-temperature compressed refrigerant gas in the refrigerant pipe 5 is supplied into the ice making cooler 7-1.
【００１８】また、二方向電磁弁１３−２，１３−３，
１３−４は閉じており、冷媒配管５の高温圧縮冷媒ガス
は、製氷サイクル中の製氷クーラ７−２，７−３，７−
４に供給されない。製氷クーラ７−２，７−３，７−４
の製氷部８−２，８−３，８−４のチューブ内には凍結
させるため蓄熱液が封入されている。冷媒液は冷媒スプ
レーポンプ１０−２，１０−３，１０−４により、製氷
クーラ７−２，７−３，７−４内のスプレー管９−２，
９−３，９−４に送られ、該スプレー管９−２，９−
３，９−４のノズルから霧状になって、製氷部８−２，
８−３，８−４のチューブ上に散布され、蒸発する。The two-way solenoid valves 13-2, 13-3,
13-4 is closed, and the hot compressed refrigerant gas in the refrigerant pipe 5 is cooled by the ice making coolers 7-2, 7-3, 7- during the ice making cycle.
Not supplied to 4. Ice maker 7-2, 7-3, 7-4
A heat storage liquid is enclosed in the tubes of the ice making units 8-2, 8-3, 8-4 for freezing. The refrigerant liquid is sprayed by the refrigerant spray pumps 10-2, 10-3, 10-4 into the spray pipes 9-2 in the ice making coolers 7-2, 7-3, 7-4.
9-3, 9-4, the spray pipe 9-2, 9-
Nozzles 3, 9-4 turned into mist, and ice-making unit 8-2,
It is sprinkled on the tubes 8-3 and 8-4 and evaporated.
【００１９】蒸発した冷媒ガスは冷媒配管１２−２，１
２−３，１２−４及び冷媒切替弁Ｖ２，Ｖ３，Ｖ４、ヘ
ッダー１８及び冷媒配管４を通って圧縮機２に吸い込ま
れる。圧縮機２により昇圧された冷媒は凝縮器３におい
て冷却水で冷却され、液化された冷媒液となって冷媒配
管６を通ってヘッダー１６に送られる。ヘッダー１６に
送られた冷媒液は、二方弁Ｖ１０、多方弁Ｖ９の開口Ｖ
９−５及びＶ９−１、製氷クーラ７−１を通ってヘッダ
ー１７で製氷クーラ７−２，７−３，７−４に分配され
る。The evaporated refrigerant gas is transferred to the refrigerant pipes 12-2, 1
It is sucked into the compressor 2 through 2-3, 12-4, the refrigerant switching valves V2, V3, V4, the header 18 and the refrigerant pipe 4. The refrigerant whose pressure has been increased by the compressor 2 is cooled by the cooling water in the condenser 3, becomes a liquefied refrigerant liquid, and is sent to the header 16 through the refrigerant pipe 6. The refrigerant liquid sent to the header 16 is the opening V of the two-way valve V10 and the multi-way valve V9.
9-5, V9-1, and ice-making cooler 7-1, and header 17 distributes to ice-making coolers 7-2, 7-3, 7-4.
【００２０】製氷クーラ７−１を通る高温の冷媒液は、
製氷クーラ７−１において二方電磁弁１３−１と冷媒切
替弁Ｖ１を通って流入する高温の冷媒ガスと共に脱氷用
熱源として利用される。即ち製氷部８−１のチューブ内
で凍結した蓄熱液の壁面に接する部分の氷の若干量を解
氷する熱量として利用される。同時に冷媒液は過冷却さ
れて、製氷クーラ７−２，７−３，７−４に流入するか
らめ冷却効果が大きくなり、システム全体の効率が向上
する。The high temperature refrigerant liquid passing through the ice making cooler 7-1 is
In the ice making cooler 7-1, it is used as a heat source for de-icing together with the high-temperature refrigerant gas flowing through the two-way solenoid valve 13-1 and the refrigerant switching valve V1. That is, a small amount of ice in the portion in contact with the wall surface of the heat storage liquid frozen in the tube of the ice making unit 8-1 is used as the amount of heat for defrosting. At the same time, the refrigerant liquid is supercooled and flows into the ice making coolers 7-2, 7-3, 7-4, so that the cooling effect is increased and the efficiency of the entire system is improved.
【００２１】一方、製氷クーラ７−２，７−３，７−４
においては冷媒が蒸発し、この蒸発潜熱により、製氷部
８−２，８−３，８−４のチューブ内の蓄熱液の温度は
降下し、凍結点以下になると凍結する。On the other hand, ice making coolers 7-2, 7-3, 7-4
In, the refrigerant evaporates, and the latent heat of vaporization lowers the temperature of the heat storage liquid in the tubes of the ice-making units 8-2, 8-3, 8-4, and freezes when the temperature is below the freezing point.
【００２２】図２は冷媒切替弁Ｖ１〜Ｖ４の構造を示す
断面図である。該冷媒切替弁は冷凍装置の冷媒配管１２
−１〜１２−４に連結される弁筐体１０１と、該弁筐体
１０１に連結部材１０３を通じて接続されたシリンダ部
１０４とからなる。該シリンダ部１０４は上蓋１０５と
下蓋１０６を備え、その中にピストン部材１０７が滑動
自在に挿入され、該ピストン部材１０７によりシリンダ
部を高圧室１０８と低圧室１０９の二つの密閉室に仕切
られている。FIG. 2 is a sectional view showing the structure of the refrigerant switching valves V1 to V4. The refrigerant switching valve is the refrigerant pipe 12 of the refrigeration system.
The valve housing 101 is connected to -1 to 12-4, and the cylinder portion 104 is connected to the valve housing 101 through a connecting member 103. The cylinder portion 104 is provided with an upper lid 105 and a lower lid 106, into which a piston member 107 is slidably inserted, and the piston member 107 divides the cylinder portion into two closed chambers, a high pressure chamber 108 and a low pressure chamber 109. ing.
【００２３】該ピストン部材１０７の片側面（図２にお
いては下面）と前記下蓋１０６の間に圧縮スプリング１
１４が配設され、ピストン部材１０７を高圧室１０８側
に弾発している。前記ピストン部材１０７に一端が固定
された軸１１０は低圧室１０９の中と下蓋１０６を通
り、更に連結部材１０３の中を滑動自在に伸び、その他
端が弁筐体１０１の中の回転式の弁部材１１１に枢着さ
れている。また、軸１１０の連結部１０３の内面に接触
する部分には弁筐体１０１と低圧室１０９を結ぶみぞ状
又は孔状の貫通孔１１２が設けられている。また、ピス
トン部材１０７に貫通孔１１３が設けられている。A compression spring 1 is provided between one side surface (lower surface in FIG. 2) of the piston member 107 and the lower lid 106.
14 is arranged to elastically push the piston member 107 toward the high pressure chamber 108 side. A shaft 110, one end of which is fixed to the piston member 107, extends slidably in the low pressure chamber 109, through the lower lid 106, and further in the connecting member 103, and the other end thereof is a rotary type in the valve housing 101. It is pivotally attached to the valve member 111. In addition, a groove-shaped or hole-shaped through hole 112 that connects the valve housing 101 and the low pressure chamber 109 is provided in a portion of the shaft 110 that contacts the inner surface of the connecting portion 103. Further, the piston member 107 is provided with a through hole 113.
【００２４】上記構造の冷媒切替弁において、通常前記
二方電磁弁１３（図１においては二方電磁弁１３−１〜
１３−４）が閉じている場合、弁筐体１０１内の冷媒圧
は軸１１０の貫通孔１１２及びピストン部材１０７の貫
通孔１１３を通して低圧室１０９及び高圧室１０８に導
かれ、低圧室１０９の圧力Ｐ１、高圧室１０８の圧力Ｐ
ｈ及び弁筐体１０１内の圧力Ｐｃは等しくなり（Ｐ１＝
Ｐｈ＝Ｐｃ）、ピストン部材１０７は圧縮スプリング１
１４の弾発力により上昇し、弁部材１１１が反時計方向
に回動し、弁筐体１０１を開く。In the refrigerant switching valve having the above structure, the two-way solenoid valve 13 (two-way solenoid valves 13-1 to 13-1 in FIG. 1) is usually used.
13-4) is closed, the refrigerant pressure in the valve housing 101 is guided to the low pressure chamber 109 and the high pressure chamber 108 through the through hole 112 of the shaft 110 and the through hole 113 of the piston member 107 , and the pressure of the low pressure chamber 109 is reduced. P1, the pressure P of the high pressure chamber 108
h and the pressure Pc in the valve housing 101 become equal (P1 =
Ph = Pc), the piston member 107 is the compression spring 1
The valve member 111 is rotated counterclockwise by the elastic force of 14 to open the valve housing 101.
【００２５】二方電磁弁１３を開くと、圧縮機２から吐
出する高温圧縮冷媒ガスは、該二方電磁弁１３を介して
高圧室１０８に導かれた場合、この高圧冷媒ガスがピス
トン部材１０７の貫通孔１１３を通ることにより減圧さ
れ、ピストン部材１０７の上下に圧力差を生じ、ピスト
ン部材１０７は圧縮スプリング１１４の弾発力に抗して
下降し、弁部材１１１が時計方向回動し、弁筐体１０１
を閉じる。そしてこの高温圧縮冷媒ガスが製氷クーラ
（図１では製氷クーラ７−１）に供給される。When the two-way solenoid valve 13 is opened, the high-temperature compressed refrigerant gas discharged from the compressor 2 is introduced into the high-pressure chamber 108 via the two-way solenoid valve 13, and this high-pressure refrigerant gas is transferred to the piston member 107. The pressure is reduced by passing through the through hole 113 of the piston member 107, a pressure difference is generated between the upper and lower sides of the piston member 107, the piston member 107 descends against the elastic force of the compression spring 114, and the valve member 111 rotates clockwise, Valve housing 101
Close. Then, this high-temperature compressed refrigerant gas is supplied to the ice-making cooler (ice-making cooler 7-1 in FIG. 1).
【００２６】図３は多方弁Ｖ９の構造例を示す図で、図
３（ａ）は平断面図（Ａ−Ａ断面）、図３（ｂ）は正断
面図である。多方弁Ｖ９は図示するようにケーシング２
００周囲に開口Ｖ９−１，Ｖ９−２，Ｖ９−３，Ｖ９−
４が設けられ、下方に開口Ｖ９−５が設けられ、更にケ
ーシング２００内にはボール弁２０１が配置されてい
る。該ボール弁には貫通孔２０２が設けられている。該
ボール弁２０１が９０°づつ回転することにより、貫通
孔２０２は開口Ｖ９−５と開口Ｖ９−１，Ｖ９−２，Ｖ
９−３，Ｖ９−４とのいずれか一つと連通される。開口
Ｖ９−１，Ｖ９−２，Ｖ９−３，Ｖ９−４のそれぞれに
は図１に示すように、製氷クーラ７−１，７−２，７−
３，７−４を通る冷媒配管に接続されており、開口Ｖ９
−５は冷媒配管６に接続されている。FIG. 3 is a view showing an example of the structure of the multi-way valve V9, FIG. 3 (a) is a plan sectional view (AA cross section), and FIG. 3 (b) is a front sectional view. The multi-way valve V9 is a casing 2 as shown.
00 around the opening V9-1, V9-2, V9-3, V9-
4 is provided, an opening V9-5 is provided below, and a ball valve 201 is provided in the casing 200. A through hole 202 is provided in the ball valve. By rotating the ball valve 201 by 90 °, the through hole 202 is opened V9-5 and V9-1, V9-2, V.
9-3 and V9-4. As shown in FIG. 1, each of the openings V9-1, V9-2, V9-3, V9-4 has an ice making cooler 7-1, 7-2, 7-.
It is connected to a refrigerant pipe passing through 3, 7-4 and has an opening V9.
-5 is connected to the refrigerant pipe 6.
【００２７】また、図１に示すように、多方弁Ｖ９のシ
リンダーの一方の室には冷媒配管５からの高圧の冷媒ガ
スが二方弁１３−１，１３−２，１３−３，１３−４の
作動により導かれ、他方の室にはヘッダー１８の低圧の
冷媒ガスが導かれる。この冷媒圧力差により多方弁Ｖ９
は作動するようになっている。Further, as shown in FIG. 1, high-pressure refrigerant gas from the refrigerant pipe 5 is introduced into one chamber of the cylinder of the multi-way valve V9 by the two-way valves 13-1, 13-2, 13-3, 13-. 4, the low-pressure refrigerant gas in the header 18 is introduced into the other chamber. Due to this refrigerant pressure difference, the multi-way valve V9
Is designed to work.
【００２８】今製氷クーラの全ブロックが製氷サイクル
を行っているとすると、冷媒切替弁Ｖ１，Ｖ２，Ｖ３，
Ｖ４は閉となり二方電磁弁１３−１，１３−２，１３−
３，１３−４は閉となる。また、二方弁Ｖ１０が閉じ、
二方弁Ｖ１１が開となり凝縮器３で凝縮した冷媒液はＶ
１１、ヘッダー１７を通り、各製氷クーラへ分配され
る。ここで、この後製氷クーラ７−１が脱氷サイクルに
入ると、全製氷クーラが製氷を製氷を行っている時点か
ら多方弁Ｖ９の開口Ｖ９−５とＶ９−１を開としてお
き、該冷媒液を開口Ｖ９−５，Ｖ９−１ 、製氷クーラ
７−１、ヘッダー１７に流し、製氷クーラ７−１，７−
２，７−３，７−４に分配するとすると、二方弁Ｖ１
０，Ｖ１１は不要となる。Assuming that all blocks of the ice cooler are now performing the ice making cycle, the refrigerant switching valves V1, V2, V3.
V4 is closed and two-way solenoid valves 13-1, 13-2, 13-
3, 13-4 are closed. Also, the two-way valve V10 is closed,
The two-way valve V11 is opened and the refrigerant liquid condensed in the condenser 3 is V
11. It passes through the header 17 and is distributed to each ice making cooler. Here, when the ice-making cooler 7-1 thereafter enters the de-icing cycle, the openings V9-5 and V9-1 of the multi-way valve V9 are left open from the time when all the ice-making coolers are making ice to make the refrigerant. The liquid is caused to flow through the openings V9-5, V9-1, the ice-making cooler 7-1 and the header 17, and the ice-making coolers 7-1, 7-
When divided into 2, 7-3, 7-4, the two-way valve V1
0 and V11 are unnecessary.
【００２９】図４は本発明の氷蓄熱用製氷装置の他のシ
ステム構成を示す図である。図４の氷蓄熱用製氷装置が
図１の氷蓄熱用製氷装置と異なる点は、冷媒配管５から
の高温圧縮冷媒ガスは二方弁Ｖ１３及び多方弁Ｖ１２を
通してき各製氷クーラ７−１，７−２，７−３，７−４
に供給されるようになっている点、冷媒切替弁Ｖ１，Ｖ
２，Ｖ３，Ｖ４，Ｖ９，Ｖ１２の駆動用弁として三方電
磁弁が接続されている点で、他は図１のものと略同様で
ある。また、その動作も図１のものと略同様であるので
説明は省力する。FIG. 4 is a diagram showing another system configuration of the ice heat storage ice-making apparatus of the present invention. The ice heat storage ice-making apparatus of FIG. 4 is different from the ice heat storage ice-making apparatus of FIG. 1 in that the high-temperature compressed refrigerant gas from the refrigerant pipe 5 passes through the two-way valve V13 and the multi-way valve V12. -2, 7-3, 7-4
The refrigerant switching valves V1 and V
Others are substantially the same as those in FIG. 1 in that a three-way solenoid valve is connected as a driving valve for 2, V3, V4, V9, and V12. Also, the operation thereof is substantially the same as that of FIG.
【００３０】[0030]
【発明の効果】以上説明したように本発明によれば、下
記のような優れた効果が得られる。As described above, according to the present invention, the following excellent effects can be obtained.
【００３１】（１）脱氷用の凝縮冷媒液及び圧縮冷媒ガ
スの切替えを１つの多方向弁を用いて行うので、多くの
切替弁を用いることがく、弁を作動させるための手段も
極めて簡単なものとなり、気密に対する装置全体の信頼
性が増す。(1) Since switching between the condensed refrigerant liquid for de-icing and the compressed refrigerant gas is performed by using one multi-directional valve, many switching valves can be used and the means for operating the valves is extremely simple. And the reliability of the entire device with respect to airtightness increases.
【００３２】[0032]
【００３３】（２）脱氷サイクル時における脱氷用の熱
源として凝縮冷媒液と圧縮冷媒ガスを用いることによ
り、短時間で効率のよい脱氷を行なうことができる。[0033] (2) by using a condensing refrigerant fluid and the compressed refrigerant gas as a heat source for the de-ice during de-ice cycle, short time efficient removal ice can rows of Ukoto.
【図１】本発明の一実施例である製氷装置のシステム構
成を示す図である。FIG. 1 is a diagram showing a system configuration of an ice making device according to an embodiment of the present invention.
【図２】本発明の製氷装置に用いる冷媒切替弁の構造例
を示す図である。FIG. 2 is a diagram showing a structural example of a refrigerant switching valve used in the ice making device of the present invention.
【図３】本発明の製氷装置に用いる多方弁の構造例を示
す図である。FIG. 3 is a diagram showing a structural example of a multi-way valve used in the ice making device of the present invention.
【図４】本発明の一実施例である製氷装置のシステム構
成を示す図である。FIG. 4 is a diagram showing a system configuration of an ice making device according to an embodiment of the present invention.
１ 製氷クーラ ２ 圧縮機 ３ 凝縮器 ４〜６ 冷媒配管 ７−１〜７−４ 製氷クーラ ８−１〜８−４ 製氷部 ９−１〜９−４ スプレー管 １０−１〜１０−４ 冷媒スプレーポンプ １１−１〜１１−４ フロートバルブ １２−１〜１２−４ 冷媒配管 １３−１〜１３−４ 二方電磁弁 １４ 冷媒配管 １７−１〜１７−４ 三方電磁弁 Ｖ１〜Ｖ４ 冷媒切替弁 Ｖ５〜Ｖ８ 一方弁 Ｖ９，Ｖ１２ 多方弁 1 Ice Cooler 2 Compressor 3 Condenser 4 to 6 Refrigerant Pipe 7-1 to 7-4 Ice Cooler 8-1 to 8-4 Ice Making Part 9-1 to 9-4 Spray Pipe 10-1 to 10-4 Refrigerant Spray Pump 11-1 to 11-4 Float valve 12-1 to 12-4 Refrigerant piping 13-1 to 13-4 Two-way solenoid valve 14 Refrigerant piping 17-1 to 17-4 Three-way solenoid valve V1 to V4 Refrigerant switching valve V5 ~ V8 one-way valve V9, V12 multi-way valve
フロントページの続き (72)発明者 田村 陸男 東京都大田区羽田旭町11番１号 株式会社 荏原製作所内 (72)発明者 増本 幹夫 東京都大田区羽田旭町11番１号 株式会社 荏原製作所内 (72)発明者 藤本 正和 東京都大田区羽田旭町11番１号 株式会社 荏原製作所内 (56)参考文献 特開 平２−187581（ＪＰ，Ａ) 特開 昭61−99776（ＪＰ，Ａ) 実開 平２−48767（ＪＰ，Ｕ)Front page continuation (72) Inventor Rikuo Tamura 11-1 Haneda Asahi-cho, Ota-ku, Tokyo Inside the EBARA CORPORATION (72) Inventor Mikio Masumoto 11-11 Haneda-Asahi-cho, Ota-ku, Tokyo Inside the EBARA CORPORATION (72) Inventor Masakazu Fujimoto 11-1 Haneda Asahi-cho, Ota-ku, Tokyo Inside the EBARA CORPORATION (56) References JP-A-2-187581 (JP, A) JP-A-61-99776 (JP, A) Actual Kaihei 2-48767 (JP, U)
Claims (2)
備し、これらの機器を冷媒を通す冷媒配管で連結し、前
記製氷用熱交換器の製氷部は複数本のチューブを水平に
配列したシェルアンドチューブ形で該チューブ内に製氷
させると共に、該製氷用熱交換器の製氷部は数ブロック
に分割され、その内の少なくとも一つを脱氷サイクルと
するときは他方を製氷サイクルとし、製氷サイクルと脱
氷サイクルを同時に行なうことができるようにし、更に
前記製氷部のチューブ内に蓄熱液を凍結、脱氷する際、
該蓄熱液を停止させ、チューブ内に該蓄熱液を封入する
ように構成された氷蓄熱用製氷装置において、 前記脱氷サイクル時における脱氷用の熱源として凝縮冷
媒液と圧縮冷媒ガスを用い、脱氷サイクルと製氷サイク
ルの切替時における該凝縮冷媒液の切替を１つの多方向
弁を用いて行ない、 製氷サイクル時の冷媒ガスと脱氷サイクル時の脱氷用の
圧縮冷媒ガスの切替を共通の冷媒切替弁で行なう ことを
特徴とする氷蓄熱用製氷装置。1. An ice making heat exchanger, a condenser, and a compressor are provided, and these devices are connected by a refrigerant pipe through which a refrigerant is passed, and the ice making part of the ice making heat exchanger has a plurality of tubes arranged horizontally. While making ice in the tubes in an arrayed shell-and-tube form, the ice making part of the heat exchanger for ice making is divided into several blocks, and when at least one of them is a deicing cycle, the other is an ice making cycle. , So that the ice-making cycle and the de-icing cycle can be performed at the same time, and further when the heat storage liquid is frozen and de-iced in the tube of the ice-making unit,
In the ice heat storage ice-making device configured to stop the heat storage liquid and seal the heat storage liquid in a tube, using a condensed refrigerant liquid and a compressed refrigerant gas as a heat source for de-icing during the de-icing cycle , the switching of the condensing refrigerant liquid line which have with one way valves at the time of switching of the de-ice cycle and ice cycle, for de-ice during the refrigerant gas and the Datsukori cycle during the ice making cycle
An ice-storage device for ice storage, wherein compressed refrigerant gas is switched by a common refrigerant switching valve .
媒液と脱氷用の冷媒液の切替と製氷サイクル時の冷媒ガ
スと脱氷サイクル時の脱氷用の圧縮冷媒ガスの切替１つ
の２方向電磁弁で行なうことを特徴とする請求項１記載
の氷蓄熱用製氷装置。2. The cooling for ice making by the common refrigerant switching valve
Switching between the medium liquid and the refrigerant liquid for de-icing and the refrigerant gas during the ice making cycle
Switch between compressed refrigerant gas for de-icing during the de-icing cycle
Ice thermal storage for ice making apparatus of claim 1, wherein the row of Ukoto in 2 way solenoid valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3089750A JPH07104085B2 (en) | 1991-03-28 | 1991-03-28 | Ice storage device for ice heat storage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3089750A JPH07104085B2 (en) | 1991-03-28 | 1991-03-28 | Ice storage device for ice heat storage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04302969A JPH04302969A (en) | 1992-10-26 |
| JPH07104085B2 true JPH07104085B2 (en) | 1995-11-13 |
Family
ID=13979428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3089750A Expired - Lifetime JPH07104085B2 (en) | 1991-03-28 | 1991-03-28 | Ice storage device for ice heat storage |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07104085B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112797686B (en) * | 2020-12-24 | 2022-03-25 | 李囿桦 | Direct-cooling type ice-making system for balancing load of compressor and control method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6199776A (en) * | 1984-10-22 | 1986-05-17 | Toshiba Mach Co Ltd | Multi-way valve |
| JPH0248767U (en) * | 1988-09-27 | 1990-04-04 | ||
| JP2560104B2 (en) * | 1989-01-13 | 1996-12-04 | 清水建設株式会社 | In-pipe ice making unit and in-pipe ice making method |
-
1991
- 1991-03-28 JP JP3089750A patent/JPH07104085B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04302969A (en) | 1992-10-26 |
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