JPH09299019A - Thawing apparatus for frozen food - Google Patents
Thawing apparatus for frozen foodInfo
- Publication number
- JPH09299019A JPH09299019A JP8118056A JP11805696A JPH09299019A JP H09299019 A JPH09299019 A JP H09299019A JP 8118056 A JP8118056 A JP 8118056A JP 11805696 A JP11805696 A JP 11805696A JP H09299019 A JPH09299019 A JP H09299019A
- Authority
- JP
- Japan
- Prior art keywords
- water tank
- liquid
- defrosting
- frozen
- water
- 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
- Freezing, Cooling And Drying Of Foods (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、冷凍マグロ等を
解凍する冷凍食品の解凍装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a frozen food defrosting device for defrosting frozen tuna or the like.
【０００２】[0002]
【従来の技術】近年、冷凍技術の発達により、マグロに
代表される多くの魚介類が冷凍されて流通市場に置かれ
る。冷凍マグロは、ブロック状に解体され、解凍されて
小売り店に並ぶが、ブロック状に解体された冷凍マグロ
の解凍は、温めた塩水を用いて手作業で行われているの
が現状である。2. Description of the Related Art In recent years, with the development of freezing technology, many seafood represented by tuna are frozen and placed in the secondary market. Frozen tuna is disassembled into blocks, thawed, and lined up in retail stores. However, the defrosting of frozen tuna that has been disassembled into blocks is currently performed manually using warm salt water.
【０００３】[0003]
【発明が解決しようとする課題】多くの冷凍マグロを人
手により解凍するのは煩雑であるばかりでなく、解凍状
態のばらつきも大きい。特に大手のスーパーマーケット
等では、冷凍マグロの解凍状態での納入を望む声が強
い。この発明は上記事情を考慮してなされたもので、冷
凍マグロ等を効率的にかつ均一に自動解凍することを可
能とした冷凍食品の解凍装置を提供することを目的とし
ている。It is not only complicated to manually thaw many frozen tuna, but also the thaw state varies widely. Especially in major supermarkets, there are strong demands for delivery of frozen tuna in a thawed state. The present invention has been made in consideration of the above circumstances, and an object of the present invention is to provide a defrosting device for frozen foods that can efficiently and uniformly defrost frozen tuna and the like.
【０００４】[0004]
【課題を解決するための手段】この発明に係る冷凍食品
の解凍装置は、解凍液を入れた水槽と、この水槽の解凍
液を解凍液循環ポンプにより汲み出し加熱手段を通して
加熱して戻す循環機構と、前記加熱手段を制御して前記
水槽内の解凍液温度を一定に保つ温度調整手段と、前記
水槽の上端部の相対向する一方の端部を入り口部、他方
の端部を出口部として冷凍食品を前記入り口部から出口
部まで前記水槽内をくぐらせて搬送する搬送コンベア手
段と、この搬送コンベア手段により前記水槽内を搬送さ
れる前記冷凍食品を上から押さえ付ける押さえコンベア
手段とを備えたことを特徴としている。A thaw device for frozen foods according to the present invention comprises a water tank containing a thaw solution, and a circulation mechanism for pumping the thaw solution in the water tank by a thaw solution circulation pump and heating it back through a heating means. A temperature adjusting means for controlling the heating means to keep the temperature of the defrosting liquid in the water tank constant, and one end portion of the upper end portion of the water tank facing each other as an inlet portion and the other end portion as an outlet portion for freezing. Conveying means for conveying the food through the water tank from the entrance portion to the exit portion, and a holding conveyor means for pressing down the frozen food conveyed in the water tank by the conveying conveyor means from above. It is characterized by that.
【０００５】この発明はまた、前記押さえコンベア手段
を上下動可能に吊り下げて支持する支持手段を更に備え
たことを特徴としている。この発明において好ましく
は、前記循環機構は、前記解凍液循環ポンプの取水口が
前記水槽の入り口部側に設けられ、かつ前記水槽の出口
部側に、前記加熱手段により加熱された解凍液を前記搬
送コンベア手段の搬送方向とは逆方向に放水させて戻す
複数の放水口を持つ放水管が配設される。この発明にお
いて、前記加熱手段として好ましくは、解凍液を蒸気加
熱する熱交換器を用いる。The present invention is further characterized by further comprising a supporting means for suspending and supporting the pressing conveyor means so as to be vertically movable. In the present invention, preferably, the circulation mechanism is such that the water intake of the defrosting liquid circulation pump is provided on the inlet side of the water tank, and the defrosting liquid heated by the heating means is on the outlet side of the water tank. A water discharge pipe having a plurality of water discharge ports is provided in the direction opposite to the transport direction of the transport conveyer means. In the present invention, preferably, the heating means is a heat exchanger that steam-heats the defrosting liquid.
【０００６】この発明はまた、前記搬送コンベア手段の
前記入り口部の上部に前記冷凍食品に洗浄液をかけるプ
レ洗浄器が設けられ、前記搬送コンベア手段の前記出口
部の上部に解凍された食品に洗浄液をかける仕上げ洗浄
器が設けられていることを特徴としている。この発明は
更に、前記プレ洗浄器及び仕上げ洗浄器の下方にそれぞ
れ洗浄液を回収するための受け皿が設けられ、回収され
た洗浄液を新しい洗浄液と混合して前記プレ洗浄器及び
仕上げ洗浄器に戻す洗浄液循環ポンプが設けられている
ことを特徴としている。According to the present invention, a pre-cleaner for spraying a cleaning liquid to the frozen food is provided above the entrance of the transfer conveyer means, and a cleaning liquid is added to the thawed food above the exit of the transfer conveyor. It is characterized in that it is equipped with a finishing washer. The present invention is further provided with a tray for collecting the cleaning liquid below the pre-cleaning device and the finishing cleaning device, respectively, and mixing the collected cleaning liquid with a new cleaning liquid and returning the cleaning liquid to the pre-cleaning device and the finishing cleaning device. It is characterized in that a circulation pump is provided.
【０００７】この発明によると、コンベアシステムによ
り冷凍マグロブロック等を温度調整された解凍液内をく
ぐらせることによって、煩雑な手作業を要せず、自動的
に解凍することができる。解凍液は温度調整されるか
ら、コンベアシステムの速度調整との組み合わせにより
最適条件を選ぶことによって、解凍状態のばらつきのな
い、均一性に優れた解凍ができる。According to the present invention, the frozen tuna block or the like is passed through the thaw solution whose temperature is adjusted by the conveyor system, so that the thaw block can be automatically thawed without complicated manual work. Since the temperature of the thaw solution is adjusted, by selecting the optimum conditions in combination with the speed adjustment of the conveyor system, it is possible to perform thaw with excellent uniformity and without variation in the thaw state.
【０００８】搬送コンベア手段で搬送される冷凍食品
は、押さえコンベア手段により浮き上がりが防止されて
水槽内を潜らせるようになっており、この押さえコンベ
ア手段を上下動可能に支持するようにすれば、解凍しよ
うとする冷凍食品の大きさに応じて搬送コンベアとの間
のギャップを最適調整することができるだけでなく、押
さえコンベア手段を引き上げることにより、水槽内の清
掃を容易に行うことができる。The frozen food conveyed by the conveyer means is prevented from rising by the holding conveyer means so as to be dipped in the water tank. If the holding conveyer means is supported so as to be movable up and down, Not only can the gap between the conveyor and the conveyor be optimally adjusted according to the size of the frozen food to be thawed, but also the inside of the water tank can be easily cleaned by pulling up the pressing conveyor means.
【０００９】特にこの発明において、解凍液を加熱手段
を介して循環させる方式として、入り口部側で汲み出し
て、加熱した解凍液を出口部側で搬送コンベア手段によ
る搬送方向と逆方向に戻すこと、その際に複数の放水口
を持つ放水管を用いること、によって、水槽内での解凍
液が均等に攪拌されながら温度調整される。従って水槽
内で均一な温度分布が得られ、解凍状態のばらつきが抑
えられる。また、循環される解凍液の加熱手段として簡
単にはヒータを用いることができるが、マグロ等を解凍
したときには溶け出したタンパク質がヒータに付着する
ため、蒸気加熱の熱交換器を用いることが好ましい。In particular, in the present invention, as a method of circulating the thaw solution through the heating means, the thaw solution is pumped out at the inlet side and the heated thaw solution is returned at the outlet side in the direction opposite to the conveying direction by the conveyor means. At that time, by using a water discharge pipe having a plurality of water discharge ports, the temperature is adjusted while the thawed liquid in the water tank is evenly stirred. Therefore, a uniform temperature distribution can be obtained in the water tank, and variations in the thawing state can be suppressed. Further, although a heater can be simply used as a heating means for circulating the thawed liquid, since steamed proteins adhere to the heater when tuna or the like is thawed, it is preferable to use a steam-heated heat exchanger. .
【００１０】更に、入り口部にプレ洗浄器を配置して、
次々に水槽に投入される冷凍食品の表面のゴミ等を落と
すことにより、水槽内の解凍液の汚れを防止することが
できる。更に、出口部に仕上げ洗浄器を配置すれば、解
凍液に僅かの汚れがあっても取り出し後の雑菌増殖等を
防止することができる。またこれらのプレ洗浄器及び仕
上げ洗浄器の下方に受け皿を設けて、新しい洗浄液を一
部加えながら循環させることにより、一定レベルの清浄
度を保ちながら洗浄液を節約して有効利用することがで
きる。Further, a pre-cleaning device is arranged at the entrance,
Contamination of the thawed liquid in the water tank can be prevented by removing dusts and the like on the surface of the frozen food that is successively put into the water tank. Further, by disposing a finishing washing device at the outlet, even if the thawed liquid is slightly soiled, it is possible to prevent the proliferation of various bacteria after taking it out. Further, by providing a pan below these pre-cleaning device and finish cleaning device and circulating a new cleaning liquid while adding a part thereof, the cleaning liquid can be saved and effectively used while maintaining a certain level of cleanliness.
【００１１】[0011]
【発明の実施の形態】以下、図面を参照して、この発明
の実施例を説明する。図１は、一実施例による解凍装置
の外観斜視図であり、図２はその要部構成を示す断面図
を制御系と共に示している。図示のようにこの解凍装置
は、水槽１と、搬送コンベア装置２及び押さえコンベア
装置４を主体として構成されている。この実施例の場
合、解凍すべき冷凍食品がサク，コロ，四割り等のマグ
ロブロック３であるが、このとき水槽１内の解凍液１１
は、海水とほぼ同じ３％の塩分を含む約４０℃の温水と
する。雑菌増殖防止のためには、５００〜１０００倍に
希釈したアルカリイオン水を加えることが好ましい。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an external perspective view of a thawing apparatus according to one embodiment, and FIG. 2 is a sectional view showing the configuration of the main part thereof together with a control system. As shown in the figure, this defrosting device is mainly composed of a water tank 1, a transfer conveyor device 2 and a pressing conveyor device 4. In the case of this embodiment, the frozen food to be thawed is the tuna block 3 such as Saku, Coro, and quartet. At this time, the thaw solution 11 in the water tank 1 is
Is hot water of about 40 ° C. containing 3% of salinity, which is almost the same as seawater. In order to prevent the growth of various bacteria, it is preferable to add alkaline ionized water diluted 500 to 1000 times.
【００１２】搬送コンベア装置２は、水槽１の左側上端
から右側上端にかけ渡され、左側端部をマグロブロック
３を投入する入り口部２０ａ、右側端部をマグロブロッ
ク３を取り出す出口部２０ｂとして、モータ２４により
駆動されて図２に示すようにマグロブロック３を解凍液
１１内にくぐらせて搬送するようになっている。解凍液
１１内に運ばれるマグロブロック３は、押さえコンベア
装置４により、解凍液１１内での浮き上がりが防止され
る。押さえコンベア装置４は、支持装置６により上下動
可能に支持されて、モータ４１により搬送コンベア装置
２と同方向に駆動されるThe transport conveyor device 2 extends from the upper left side of the water tank 1 to the upper right side of the water tank 1. The left side end is an inlet 20a for inserting the tuna block 3, and the right side end is an outlet 20b for taking out the tuna block 3, and a motor is used. Driven by 24, the tuna block 3 is conveyed through the defrosting liquid 11 as shown in FIG. The tuna block 3 carried in the thawing liquid 11 is prevented from rising in the thawing liquid 11 by the pressing conveyor device 4. The pressing conveyor device 4 is supported by a supporting device 6 so as to be vertically movable, and is driven in the same direction as the conveyor device 2 by a motor 41.
【００１３】搬送コンベア装置２は具体的には、図３に
示すように、金属メッシュからなるベルト２１を用いて
構成されている。ベルト２１の両側には、マグロブロッ
ク３の飛び出しを防止する側板２２ａ，２２ｂが設けら
れ、またベルト２１上には、水槽１の出し入れの傾斜部
でマグロブロック３が滑り落ちないように、その搬送方
向に所定間隔で柵２３が設けられている。押さえコンベ
ア装置４は、柵が設けられない点を除いて、搬送コンベ
ア装置２と同様に構成される。As shown in FIG. 3, the transport conveyor device 2 is specifically constructed by using a belt 21 made of a metal mesh. Side plates 22a and 22b for preventing the tuna block 3 from jumping out are provided on both sides of the belt 21, and the tuna block 3 is conveyed on the belt 21 so that the tuna block 3 does not slip off at the inclined part of the water tank 1 which is taken in and out. Fences 23 are provided at predetermined intervals in the direction. The press conveyor device 4 is configured similarly to the transfer conveyor device 2 except that no fence is provided.
【００１４】押さえコンベア装置４は支持装置６により
吊り下げられた状態で支持される。支持装置６は、水槽
１に一体的に取り付けられた支持柱６１と、この支持柱
６１に保持されて、押さえコンベア装置４上を横切るよ
うに配設されたバー６４をフックにより吊り下げる吊り
下げ装置６５とを有する。また、押さえコンベア装置４
がバランスを保って上下動されるように、水槽１の両側
にガイド棒６２が２本ずつ立てられ、押さえコンベア装
置４の側板にはこれらのガイド棒６２と同軸に配置され
る円筒６３が取り付けられて、円筒６３がガイド棒６２
に沿って摺動するガイド機構が構成されている。The holding conveyor device 4 is supported by a supporting device 6 in a suspended state. The support device 6 is a suspension column 61 that is integrally attached to the aquarium 1, and a bar 64 that is held by the support column 61 and that is disposed so as to cross the holding conveyor device 4 by a hook. And a device 65. In addition, the pressing conveyor device 4
, Two guide rods 62 are erected on both sides of the water tank 1, and a cylinder 63 arranged coaxially with the guide rods 62 is attached to the side plate of the pressing conveyer device 4. Then, the cylinder 63 becomes the guide rod 62.
A guide mechanism is configured to slide along.
【００１５】水槽１には、解凍液１１を循環させる循環
機構５として、解凍液１１の一部を入り口部２０ａ側の
取水口５０から汲み出し出口部２０ｂ側に戻す循環パイ
プ５５が配設され、この循環パイプ５５の経路上に解凍
液１１を汲み出す解凍液循環ポンプ５２と、このポンプ
５２により汲み出された解凍液を蒸気加熱する熱交換器
５３とが設けられる。熱交換器５３を通った解凍液は、
水槽１の出口部２０ｂ側内部に配設された放水管５６に
より水槽１内に戻されるようになっている。放水管５６
は、図４に示すように複数の放水口５７が開けられてい
て、加熱された解凍液が搬送コンベア装置２による搬送
方向とは逆方向に分散噴射されて戻される。As the circulation mechanism 5 for circulating the defrosting liquid 11, a circulation pipe 55 is provided in the water tank 1 for pumping a part of the defrosting liquid 11 from the intake port 50 on the inlet 20a side and returning it to the outlet 20b side. A defrosting liquid circulation pump 52 for pumping the defrosting liquid 11 and a heat exchanger 53 for steam-heating the defrosting liquid pumped by the pump 52 are provided on the path of the circulation pipe 55. The thawed liquid that has passed through the heat exchanger 53 is
It is designed to be returned to the inside of the water tank 1 by a water discharge pipe 56 arranged inside the outlet portion 20b side of the water tank 1. Water discharge pipe 56
As shown in FIG. 4, a plurality of water discharge ports 57 are opened, and the heated defrosting liquid is dispersed and jetted back in the direction opposite to the transport direction of the transport conveyor device 2.
【００１６】水槽１内には温度検出器５１が設置され、
この温度検出器５１の検出出力はコントローラ７内のＰ
ＩＤ温度調整器７１に取り込まれ、この温度調整器７１
からの制御信号により熱交換器５３の蒸気バルブ５４が
制御されることになる。即ち、コントローラ７での設定
によって、水槽１内がある温度以下になったら蒸気バル
ブ５４を開け、ある温度以上になったら蒸気バルブ５４
を閉じるという制御が行われ、これにより解凍液１１が
ほぼ一定温度に保たれる。A temperature detector 51 is installed in the water tank 1,
The detection output of the temperature detector 51 is P in the controller 7.
It is taken in by the ID temperature controller 71, and this temperature controller 71
The steam valve 54 of the heat exchanger 53 is controlled by the control signal from the. That is, depending on the setting of the controller 7, the steam valve 54 is opened when the temperature inside the water tank 1 becomes lower than a certain temperature, and the steam valve 54 is opened when the temperature becomes higher than a certain temperature.
Is controlled so that the thawing liquid 11 is maintained at a substantially constant temperature.
【００１７】コントローラ７は、温度調整器７１の他、
モータ２４，４１の可変速制御を行う制御回路を含む。
この可変速制御機構により、マグロブロック３が解凍液
１１内を通過する時間を最適設定できるようになってい
る。またコントローラ７のパネル面には、温度設定部の
他、搬送コンベア装置２、押さえコンベア装置４、解凍
液循環ポンプ５２、熱交換器５３の各起動スイッチが設
けられている。The controller 7 includes a temperature controller 71,
A control circuit for performing variable speed control of the motors 24, 41 is included.
With this variable speed control mechanism, the time for the tuna block 3 to pass through the inside of the thawing liquid 11 can be optimally set. Further, on the panel surface of the controller 7, in addition to the temperature setting section, there are provided respective starting switches for the conveyer conveyor device 2, the pressing conveyer device 4, the defrosting liquid circulation pump 52, and the heat exchanger 53.
【００１８】搬送コンベア装置２の入り口部２０ａ側に
は、投入されるマグロブロック３の表面のゴミ等を除去
するために上下に配置されたシャワー形式のプレ洗浄器
８が設けられている。プレ洗浄器８の下方、搬送コンベ
ア装置２の下には洗浄液の受け皿８１が設けられ、この
受け皿８１に回収された洗浄液がモータ８３により駆動
される洗浄液循環ポンプ８２により戻されるようになっ
ている。循環ポンプ８２の入り口部には、バルブ８４及
びフローメータ８５を介して新しい洗浄液を供給でき
る。これにより、回収された洗浄液の例えば１／１０〜
１／３はオーバーフローさせ、その分新しい洗浄液を加
えて戻すという制御ができる。この実施例の場合、洗浄
液は水道水である。A shower type pre-cleaner 8 arranged vertically is provided on the entrance 20a side of the transfer conveyor device 2 to remove dust and the like on the surface of the tuna block 3 to be charged. A washing liquid receiving tray 81 is provided below the pre-cleaning device 8 and below the transport conveyor device 2, and the washing liquid collected in the receiving tray 81 is returned by a washing liquid circulating pump 82 driven by a motor 83. . New cleaning liquid can be supplied to the inlet of the circulation pump 82 via the valve 84 and the flow meter 85. Thereby, for example, 1/10 to 10% of the collected cleaning liquid
It is possible to control so that 1/3 is overflowed and a new cleaning solution is added and returned to that extent. In this example, the cleaning liquid is tap water.
【００１９】搬送コンベア装置２の出口部２０ｂ側に
も、水道水を洗浄液としたシャワー形式の仕上げ洗浄器
９が上下に設けられている。この仕上げ洗浄器９の下方
にも、プレ洗浄器８側と同様に、受け皿９１、モータ９
３で駆動される循環ポンプ９２、新しい洗浄液を加える
ためのバルブ９４とフローメータ９５が設けられ、一部
を回収して新しい洗浄液と共に循環させるという制御が
行われる。A shower type finishing cleaner 9 using tap water as a cleaning liquid is also provided on the upper and lower sides on the outlet 20b side of the transfer conveyor device 2. Below the finishing cleaning device 9, as in the pre-cleaning device 8 side, the tray 91 and the motor 9 are also provided.
A circulation pump 92 driven by 3, a valve 94 for adding a new cleaning liquid, and a flow meter 95 are provided, and a part of the liquid is collected and circulated together with the new cleaning liquid.
【００２０】この実施例の場合、仕上げ洗浄器９を通過
したマグロブロック３は更に、紫外光殺菌灯１０（１０
ａ，１０ｂ）により殺菌処理されるようになっている。In the case of this embodiment, the tuna block 3 which has passed through the finish cleaning device 9 is further subjected to an ultraviolet light sterilizing lamp 10 (10).
It is designed to be sterilized by a, 10b).
【００２１】この様な構成として、メイン電源スイッチ
（図示せず）をオンし、各部の起動スイッチをオンし
て、マグロブロック３を連続的に投入して解凍すること
ができる。具体的な条件はマグロブロック３の大きさに
より変わるが、４０℃の解凍液１１内を約２分かけて通
過するように速度制御して、芯の部分が−３℃程度のシ
ャーベット状になるように解凍することが好ましい。こ
の解凍状態は、その後１℃の冷蔵庫に６時間程度保存し
て丁度食べごろとなる状態である。With such a structure, the main power switch (not shown) is turned on, the activation switch of each part is turned on, and the tuna block 3 can be continuously thrown in and thawed. The specific conditions vary depending on the size of the tuna block 3, but the speed is controlled so as to pass through the thaw solution 11 at 40 ° C for about 2 minutes, and the core portion becomes a sherbet shape at about -3 ° C. It is preferable to thaw. This thawed state is a state in which it is stored in a refrigerator at 1 ° C for about 6 hours and ready to be eaten.
【００２２】この実施例によると、多くの人手を要せ
ず、多量の冷凍マグロの連続解凍が可能であり、しかも
搬送速度の制御と温度制御によりばらつきのない解凍状
態を得ることができる。また搬送コンベア手段で搬送さ
れる冷凍マグロの大きさに応じて、押さえコンベア装置
と搬送コンベア装置のギャップが最適調整されて冷凍マ
グロの浮き上がりが防止される。更に押さえコンベア装
置を引き上げることにより、水槽内の清掃を容易に行う
ことができる。According to this embodiment, a large amount of frozen tuna can be continuously thawed without requiring a great deal of manpower, and a thawed state without variation can be obtained by controlling the transport speed and temperature. Further, the gap between the pressing conveyor device and the transfer conveyor device is optimally adjusted according to the size of the frozen tuna transferred by the transfer conveyor means, and the floating of the frozen tuna is prevented. Further, by pulling up the pressing conveyor device, the inside of the water tank can be easily cleaned.
【００２３】またこの実施例では、解凍液を循環させる
方式を用いて、水槽の入り口部側で汲み出して、熱交換
器で加熱した解凍液を出口部側で搬送コンベア装置によ
る搬送方向と逆方向に放水して戻している。しかもその
際に複数の放水口を持つ放水管を用いることによって、
水槽内での解凍液は均等に攪拌されながら温度調整され
るから、水槽内で均一な温度分布が得られ、解凍状態の
ばらつきが効果的に抑えられる。Further, in this embodiment, a method of circulating the defrosting liquid is used, and the defrosting liquid pumped out at the inlet side of the water tank and heated by the heat exchanger is at the outlet side in the direction opposite to the conveying direction by the conveyer conveyor device. It is sprayed back to. Moreover, by using a water discharge pipe with multiple water discharge ports at that time,
Since the temperature of the thaw solution in the water tank is adjusted while being uniformly stirred, a uniform temperature distribution can be obtained in the water tank, and variations in the thaw state can be effectively suppressed.
【００２４】更にこの実施例では、入り口部にプレ洗浄
器を配置して、次々に水槽に投入される冷凍食品の表面
のゴミ等を落とすことにより、水槽内の解凍液の汚れを
防止することができる。また、出口部に仕上げ洗浄器を
配置することにより、解凍液に僅かの汚れがあっても取
り出し後の雑菌増殖等を防止することができる。またこ
れらのプレ洗浄器及び仕上げ洗浄器の下方に受け皿を設
けて、新しい洗浄液を一部加えながら循環させることに
より、洗浄液を一定レベルの清浄度に保ちながら節約し
て有効利用することができる。例えば、二つの洗浄器で
水道水をタレ流しした場合に、６００［ｌ／ｈｒ］×２
＝１２００［ｌ／ｈｒ］の水道水使用量になるところ、
１／１０をオーバーフローさせて残りを再循環させるよ
うにすれば、水道水使用量は僅か１２０［ｌ／ｈｒ］と
なり、有効な節水が図られる。Further, in this embodiment, a pre-cleaning device is arranged at the entrance to remove dusts and the like on the surface of frozen foods successively put into the water tank, thereby preventing the defrosting liquid in the water tank from being contaminated. You can Further, by disposing the finishing washing device at the outlet, it is possible to prevent the proliferation of miscellaneous bacteria after taking out even if the thawed liquid has a slight stain. Further, by providing a pan below these pre-cleaning device and finish cleaning device and circulating a new cleaning liquid while adding a part thereof, the cleaning liquid can be saved and effectively used while maintaining a certain level of cleanliness. For example, 600 [l / hr] x 2 when tap water is poured from two washers
= When the amount of tap water used is 1200 [l / hr],
By overflowing 1/10 and recirculating the rest, the amount of tap water used is only 120 [l / hr], and effective water saving is achieved.
【００２５】この発明は上記実施例に限られない。例え
ば図５に示すように、二つの水槽１ａ，１ｂを用意し
て、これらに連続的に搬送コンベア装置２をかけ渡すよ
うにしてもよい。この場合、各水槽１ａ，１ｂ毎に押さ
えコンベア装置４ａ，４ｂが必要になる。この様な２槽
タイプとすれば、例えば二つの水槽１ａ，１ｂの設定温
度を異ならせるといった制御が可能であり、これによ
り、より好ましい解凍条件を与えることができる。ま
た、解凍液の汚れ防止、特に２段目の水槽１ｂの汚れ防
止、及び解凍物への雑菌の付着防止に効果的である。ま
た実施例では冷凍マグロブロックを挙げたが、その他の
冷凍魚介類等の解凍にも同様に適用できる。The present invention is not limited to the above embodiment. For example, as shown in FIG. 5, two water tanks 1a and 1b may be prepared, and the transfer conveyor device 2 may be continuously passed over them. In this case, the pressing conveyor devices 4a and 4b are required for each of the water tanks 1a and 1b. With such a two-tank type, it is possible to control, for example, the set temperatures of the two water tanks 1a and 1b to be different from each other, whereby more preferable thawing conditions can be given. It is also effective in preventing the thaw solution from becoming soiled, especially in the second-stage water tank 1b from being soiled, and in preventing the adhesion of various bacteria to the thawed product. In addition, although frozen tuna blocks are mentioned in the examples, they can be similarly applied to the thawing of other frozen seafood and the like.
【００２６】[0026]
【発明の効果】以上述べたようにこの発明によれば、搬
送コンベアシステムと、水槽の解凍液を熱交換器を介し
て循環させて温度調整を行う温度制御システムを組み合
わせて、冷凍マグロ等を効率的にかつ均一に自動解凍す
ることを可能とした冷凍食品の解凍装置を提供すること
ができる。As described above, according to the present invention, frozen tuna and the like are combined by combining the conveyer conveyor system and the temperature control system for circulating the defrosting liquid in the water tank through the heat exchanger to adjust the temperature. It is possible to provide a defrosting device for frozen foods that enables efficient and uniform automatic defrosting.
【図１】 この発明の一実施例による解凍装置を示す外
観斜視図である。FIG. 1 is an external perspective view showing a thawing device according to an embodiment of the present invention.
【図２】 同装置の要部断面と制御系の構成を示す。FIG. 2 shows a cross section of a main part of the apparatus and a configuration of a control system.
【図３】 同装置の搬送コンベアの構成を示す。FIG. 3 shows a configuration of a transfer conveyor of the apparatus.
【図４】 同装置の放水管の構成を示す。FIG. 4 shows a structure of a water discharge pipe of the device.
【図５】 他の実施例の解凍装置の構成を示す。FIG. 5 shows a configuration of a decompression device according to another embodiment.
１…水槽、１１…解凍液、２…搬送コンベア装置、２０
ａ…入り口部、２０ｂ…出口部、２１…メッシュベル
ト、３…冷凍マグロブロック、４…押さえコンベア装
置、５…循環機構、５２…解凍液循環ポンプ、５３…熱
交換器、５５…循環パイプ、５６…放水管、５７…放水
口、６…支持装置、７…コントローラ、７１…温度調整
装置、８…プレ洗浄器、９…仕上げ洗浄器、８１，９１
…受け皿、８２，９２…洗浄液循環ポンプ、１０…殺菌
灯。DESCRIPTION OF SYMBOLS 1 ... Water tank, 11 ... Thawing liquid, 2 ... Conveyor apparatus, 20
a ... entrance part, 20b ... exit part, 21 ... mesh belt, 3 ... frozen tuna block, 4 ... holding conveyor device, 5 ... circulation mechanism, 52 ... thaw liquid circulation pump, 53 ... heat exchanger, 55 ... circulation pipe, 56 ... Water discharge pipe, 57 ... Water discharge port, 6 ... Supporting device, 7 ... Controller, 71 ... Temperature adjusting device, 8 ... Pre-cleaning device, 9 ... Finishing cleaning device, 81, 91
... saucer, 82, 92 ... cleaning liquid circulation pump, 10 ... germicidal lamp.
Claims (6)
熱手段を通して加熱して水槽に戻す循環機構と、 前記加熱手段を制御して前記水槽内の解凍液温度を一定
に保つ温度調整手段と、 前記水槽の上端部の相対向する一方の端部を入り口部、
他方の端部を出口部として冷凍食品を前記入り口部から
出口部まで前記水槽内をくぐらせて搬送する搬送コンベ
ア手段と、 この搬送コンベア手段により前記水槽内を搬送される前
記冷凍食品を上から押さえ付ける押さえコンベア手段と
を備えたことを特徴とする冷凍食品の解凍装置。1. A water tank containing a thaw solution, a circulation mechanism for pumping the thaw solution from this water tank by a thaw solution circulation pump and heating it through a heating means to return it to the water tank, and controlling the heating means to thaw the inside of the water tank. Temperature adjusting means for keeping the liquid temperature constant, one end of the upper end of the water tank facing each other is an inlet,
From the top of the frozen food that is transported in the aquarium by the transport conveyor means and the frozen food is transported from the inlet to the outlet through the other end through the water tank. A defrosting device for frozen food, comprising a pressing conveyor means for pressing.
吊り下げて支持する支持手段を更に備えたことを特徴と
する請求項１記載の冷凍食品の解凍装置。2. The defrosting device for frozen foods according to claim 1, further comprising support means for suspending and supporting the pressing conveyor means so as to be vertically movable.
の取水口が前記水槽の入り口部側に設けられ、かつ前記
水槽の出口部側に、前記加熱手段により加熱された解凍
液を前記搬送コンベア手段の搬送方向とは逆方向に放水
させて戻す複数の放水口を持つ放水管が配設されている
ことを特徴とする請求項１記載の冷凍食品の解凍装置。3. In the circulation mechanism, the water intake of the defrosting liquid circulation pump is provided on the inlet side of the water tank, and the defrosting liquid heated by the heating means is conveyed to the outlet side of the water tank. The frozen food defrosting apparatus according to claim 1, further comprising: a water discharge pipe having a plurality of water discharge ports that discharge and return water in a direction opposite to a conveying direction of the conveyor means.
する熱交換器であることを特徴とする請求項１記載の冷
凍食品の解凍装置。4. The frozen food defrosting device according to claim 1, wherein the heating means is a heat exchanger that steam-heats the defrosting liquid.
前記冷凍食品に洗浄液をかけるプレ洗浄器が設けられ、
前記搬送コンベア手段の前記出口部に解凍された食品に
洗浄液をかける仕上げ洗浄器が設けられていることを特
徴とする請求項１記載の冷凍食品の解凍装置。5. A pre-cleaner for spraying a cleaning liquid on the frozen food is provided at the entrance of the transfer conveyor means,
The defrosting device for frozen foods according to claim 1, wherein a finish cleaning device for applying a cleaning liquid to the defrosted food is provided at the outlet of the transport conveyor means.
にそれぞれ洗浄液を回収するための受け皿が設けられ、
回収された洗浄液を新しい洗浄液と混合して前記プレ洗
浄器及び仕上げ洗浄器に戻す洗浄液循環ポンプが設けら
れていることを特徴とする請求項５記載の冷凍食品の解
凍装置。6. A tray for collecting a cleaning liquid is provided below each of the pre-cleaning device and the finishing cleaning device,
The defrosting device for frozen foods according to claim 5, further comprising a cleaning liquid circulating pump that mixes the recovered cleaning liquid with a new cleaning liquid and returns the cleaning liquid to the pre-cleaning device and the finishing cleaning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8118056A JPH09299019A (en) | 1996-05-13 | 1996-05-13 | Thawing apparatus for frozen food |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8118056A JPH09299019A (en) | 1996-05-13 | 1996-05-13 | Thawing apparatus for frozen food |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09299019A true JPH09299019A (en) | 1997-11-25 |
Family
ID=14726931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8118056A Pending JPH09299019A (en) | 1996-05-13 | 1996-05-13 | Thawing apparatus for frozen food |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09299019A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012120464A (en) * | 2010-12-07 | 2012-06-28 | Kajiwara Kogyo Kk | Method for pressure-reduced thawing and apparatus |
| CN104542893A (en) * | 2015-01-19 | 2015-04-29 | 中国计量学院 | Wall mounting type frozen chicken unfreezing mechanism and unfreezing method |
| CN104663852A (en) * | 2014-10-11 | 2015-06-03 | 浙江海洋学院 | Sea food thawing device |
| CN105918768A (en) * | 2016-05-20 | 2016-09-07 | 江苏楷益智能科技有限公司 | Continuous food defrosting device |
| CN107467163A (en) * | 2017-08-31 | 2017-12-15 | 连云港金喜食品有限公司 | Chilled meat thawing apparatus |
| CN111480686A (en) * | 2020-05-28 | 2020-08-04 | 莆田市城厢区诚味食品有限公司 | Automatic production line for unfreezing, dehumidifying, vacuum rolling and kneading |
| EP4302606A1 (en) * | 2022-07-06 | 2024-01-10 | Conservas Rianxeira, S.A.U. | System for defrosting frozen food |
-
1996
- 1996-05-13 JP JP8118056A patent/JPH09299019A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012120464A (en) * | 2010-12-07 | 2012-06-28 | Kajiwara Kogyo Kk | Method for pressure-reduced thawing and apparatus |
| CN104663852A (en) * | 2014-10-11 | 2015-06-03 | 浙江海洋学院 | Sea food thawing device |
| CN104542893A (en) * | 2015-01-19 | 2015-04-29 | 中国计量学院 | Wall mounting type frozen chicken unfreezing mechanism and unfreezing method |
| CN105918768A (en) * | 2016-05-20 | 2016-09-07 | 江苏楷益智能科技有限公司 | Continuous food defrosting device |
| CN107467163A (en) * | 2017-08-31 | 2017-12-15 | 连云港金喜食品有限公司 | Chilled meat thawing apparatus |
| CN111480686A (en) * | 2020-05-28 | 2020-08-04 | 莆田市城厢区诚味食品有限公司 | Automatic production line for unfreezing, dehumidifying, vacuum rolling and kneading |
| EP4302606A1 (en) * | 2022-07-06 | 2024-01-10 | Conservas Rianxeira, S.A.U. | System for defrosting frozen food |
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