JP3162032B2 - Sterilization method of food etc. - Google Patents
Sterilization method of food etc.Info
- Publication number
- JP3162032B2 JP3162032B2 JP36769990A JP36769990A JP3162032B2 JP 3162032 B2 JP3162032 B2 JP 3162032B2 JP 36769990 A JP36769990 A JP 36769990A JP 36769990 A JP36769990 A JP 36769990A JP 3162032 B2 JP3162032 B2 JP 3162032B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- container
- sterilized
- pressure tank
- sterilization
- 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
Links
Landscapes
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
Description
【0001】[0001]
【産業上の利用分野】本発明は、流動性食品、医薬品等
の殺菌法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for sterilizing liquid foods, pharmaceuticals and the like.
【0002】[0002]
【従来の技術】食品、医薬品等の殺菌処理手段として
は、被殺菌物を袋等の容器に充填密封した後、レトルト
に入れるか、高圧タンク内を連続的に移送するかして所
定時間高温高圧下で加熱殺菌することが特開昭64−5
1069号公報、特開昭62−296866号公報等で
知られている。2. Description of the Related Art As a means for sterilizing foods, pharmaceuticals, etc., an object to be sterilized is filled and sealed in a container such as a bag and then placed in a retort or continuously transferred in a high-pressure tank for a predetermined period of time. Heat sterilization under high pressure is disclosed in
No. 1069, Japanese Patent Application Laid-Open No. 62-296866, and the like.
【0003】[0003]
【発明が解決しようとする課題】しかしながら前記従来
の方法は、タンク自体を高圧と同時に高温に保持し、被
殺菌物を充填した容器をその外部から高圧下において加
熱殺菌するので、内容物が過剰に加熱されやすく、特に
ポリエチレン袋のようなプラスチックの容器の場合には
容器に白化現象が発生したり、袋又は容器の形状又は厚
さによっては被殺菌物を迅速かつ均等に加熱できなかっ
たりすると共に被殺菌物の温度管理も困難であり、さら
に熱効率も悪くなる等の問題点がある。However, in the above-mentioned conventional method, the tank itself is kept at a high temperature simultaneously with the high pressure, and the container filled with the material to be sterilized is sterilized by heating under high pressure from the outside. In particular, in the case of a plastic container such as a polyethylene bag, a whitening phenomenon occurs in the container, and depending on the shape or thickness of the bag or the container, the object to be sterilized cannot be quickly and uniformly heated. In addition, there is a problem that it is difficult to control the temperature of the object to be sterilized, and the thermal efficiency is deteriorated.
【0004】本発明はこのような現状に鑑み、被殺菌物
の充填物を収容するフィルム袋のようなプラスチック容
器の白化現象の発生を防止すると共に被殺菌物の加熱殺
菌の温度制御が容易で品質を低下させることなく加熱殺
菌できると共に熱効率の良い食品等の殺菌方法を提供す
ることを目的とするものである。In view of the above situation, the present invention prevents the occurrence of a whitening phenomenon in a plastic container such as a film bag containing a filling of an object to be sterilized, and facilitates temperature control of heat sterilization of the object to be sterilized. It is an object of the present invention to provide a method of sterilizing foods and the like that can be heat-sterilized without deteriorating the quality and has high heat efficiency.
【0005】[0005]
【課題を解決するための手段】本発明方法は前記目的を
達成するために、殺菌温度以上に高温加熱した直後の殺
菌物を加熱しない常温の高圧タンク内においてフィルム
袋のようなプラスチック容器に充填密封し、次いでこれ
を前記加熱しない常温の高圧タンク内で所定の殺菌時間
保持して所要の殺菌を行った後冷却して高圧タンク内か
ら取り出すことを特徴とするものである。According to the present invention, there is provided a method of filling a plastic container such as a film bag in a high-pressure tank at a normal temperature which does not heat a sterilized material immediately after being heated to a temperature higher than a sterilizing temperature. It is characterized in that it is sealed, then it is kept in the above-mentioned non-heated normal-temperature high-pressure tank for a predetermined sterilization time, sterilized as required, cooled, and taken out of the high-pressure tank.
【0006】本発明方法における被殺菌物は各種ジュー
ス、スープ、コーヒー類、パスタソース、ミートソー
ス、ホワイトソース類、おかゆ、おもゆ、流動食等の流
動食品、輸液、輸血用血液等の流動性医薬品を意味し、
これらをポリエチレン等のプラスチック袋又は容器に充
填密封して加熱殺菌するものである。The substances to be sterilized in the method of the present invention include fluids such as various juices, soups, coffees, pasta sauces, meat sauces, white sauces, rice porridge, rice porridge, liquid foods such as liquid foods, infusions and blood for blood transfusions. Means pharmaceuticals,
These are filled in a plastic bag or container made of polyethylene or the like, sealed, and heat-sterilized.
【0007】本発明方法は前記被殺菌物を高圧タンク外
でその殺菌温度以上に高温に加熱し、この加熱された状
態の被殺菌物を直ちに加熱しない常温の高圧タンクにお
いて脱気されたプラスチック容器に充填密封し、この加
熱されない高圧タンク内で被殺菌物の殺菌に必要な所定
時間高温状態に保持して所要の殺菌を行った後にこれを
更に冷却して高圧タンク内から取り出し食品等を殺菌す
るものである。According to the method of the present invention, a plastic container degassed in a high- temperature tank at room temperature in which the object to be sterilized is heated to a temperature higher than its sterilization temperature outside the high-pressure tank and the heated object to be sterilized is not immediately heated. It filled sealed from the pressurized <br/> heated non high-pressure tank in a further cooled to after the required sterilization and held in a predetermined time high temperature required for sterilization of the object to be sterilized object in the high-pressure tank It is to sterilize extracted foods.
【0008】[0008]
【実施例】本発明方法の詳細を実施例について説明する
と、流動性食品、輸血用血液や輸液等の流動性医薬品等
の被殺菌物を原料タンク1から熱交換装置又はその他の
高温加熱装置2中を通過させて被殺菌物に適応した殺菌
温度以上110〜140℃に高温加熱し、これを断熱性
パイプ等を介して直ちに1.2〜2.0kgに加圧され
た常温の高圧タンク3内の充填装置4に移送する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The method of the present invention will be described in detail with reference to the following examples. And then heated to a high temperature of 110 to 140 ° C. or higher, which is higher than the sterilization temperature adapted to the material to be sterilized, and immediately heated to 1.2 to 2.0 kg through a heat-insulating pipe or the like. It is transferred to the filling device 4 inside.
【0009】しかして前記高圧タンク3の下部には冷却
槽5が設けられると共に該高圧タンク3内には充填用の
容器を収容するリテーナー6を取付けた搬送用装置7が
上部の気相部と下部の冷却槽5とを循環して間歇駆動す
るように張架されており、更に気相部における前記搬送
装置7の始端部上方には前記リテーナー6にプラスチッ
ク袋又は容器を供給する容器供給装置8とリテーナー6
内の充填容器を取り出す容器取り出し装置9とが夫々設
置されている。In the lower part of the high-pressure tank 3, a cooling tank 5 is provided, and in the high-pressure tank 3, a transfer device 7 having a retainer 6 for accommodating a filling container is provided. A container supply device for supplying a plastic bag or a container to the retainer 6 above the starting end of the transfer device 7 in the gas phase portion. 8 and retainer 6
And a container take-out device 9 for taking out the filled container therein.
【0010】また前記充填装置4の充填ノズルは容器供
給装置8の前方に設けられ、搬送装置7の間歇停止時に
おいてリテーナー6内のプラスチック容器に被殺菌物を
高温状態で充填すると共に該充填装置4の前部には更に
密封装置10が設置され、被殺菌物を充填したプラスチ
ック容器の開口部をシール密閉するものである。The filling nozzle of the filling device 4 is provided in front of the container supply device 8 to fill the plastic container in the retainer 6 with the high temperature state of the object to be sterilized at the time of the intermittent stop of the transfer device 7. A sealing device 10 is further provided in the front part of 4 to seal and seal the opening of the plastic container filled with the material to be sterilized.
【0011】このようにして高温加熱装置2で被殺菌物
の殺菌温度以上の110〜140℃に加熱された被殺菌
物を充填したプラスチック容器は搬送装置7で所定時間
気相部を間歇移送されている間に被殺菌物の熱で殺菌さ
れた後、高圧タンク3の下部に設けられた冷却槽5に間
歇移送されて更に冷却されてから再び気相部に搬送さ
れ、容器取り出し装置9によってリテーナー6から高圧
タンク3外に取り出されて殺菌が完了されるものであ
る。The plastic container filled with the object to be sterilized, which has been heated to 110 to 140 ° C. above the sterilizing temperature of the object to be sterilized by the high-temperature heating device 2 in this manner, is intermittently transferred through the gas phase for a predetermined time by the transfer device 7. After being sterilized by the heat of the object to be sterilized, the liquid is intermittently transferred to a cooling tank 5 provided at the lower part of the high-pressure tank 3, further cooled, and then conveyed again to the gas phase, and is removed by the container removal device 9. It is taken out of the retainer 6 to the outside of the high-pressure tank 3 and sterilization is completed.
【0012】この場合、前記高温加熱装置2の加熱温
度、高圧タンク3の圧力、搬送装置7の間歇移送速度
は、被殺菌物の種類、量、プラスチック容器の種類、殺
菌時間等に応じて調節できるようにする。なお図中11
は冷却水循環ポンプ、12は冷却装置である。In this case, the heating temperature of the high-temperature heating device 2, the pressure of the high-pressure tank 3, and the intermittent transfer speed of the transfer device 7 are adjusted according to the type and amount of the material to be sterilized, the type of the plastic container, the sterilization time and the like. It can be so. In the figure, 11
Is a cooling water circulation pump, and 12 is a cooling device.
【0013】従って例えば118℃で4分間で殺菌でき
る被殺菌物をその殺菌温度より稍々高い120℃に高温
加熱装置2で加熱した後、これを直ちに殺菌手段のない
1.3kg/cm2の常温の高圧タンク3内でポリエチ
レンの袋に充填密封して気相部を4〜5分間搬送すると
温度は次第に下がり118℃になって所定の殺菌処理が
完了するので、これを更に冷却槽5に搬送して冷却して
から高圧タンク3から取出して殺菌をするものである。Therefore, for example, after the object to be sterilized which can be sterilized at 118 ° C. for 4 minutes is heated to 120 ° C. slightly higher than its sterilizing temperature by the high-temperature heating device 2, it is immediately cooled to 1.3 kg / cm 2 without the sterilizing means. When a polyethylene bag is filled and sealed in the high-pressure tank 3 at room temperature and the gas phase is transported for 4 to 5 minutes, the temperature gradually decreases to 118 ° C. and the predetermined sterilization treatment is completed. After being conveyed and cooled, it is taken out of the high-pressure tank 3 and sterilized.
【0014】本発明方法において輸液、輸血用血液等の
ように空気、その他の混入を確実に防止し殺菌を確実に
する場合には、これらのプラスチック容器の充填部を密
封してある密封容器を使用して高圧タンク3内で充填部
を開口して被殺菌物を充填できるように充填装置4の手
前に容器充填部切断装置を設けると共に更に前記密封容
器を下向きにして搬送装置7のリテーナー6に供給して
充填部を切断した後、搬送装置7を180度回動して容
器の充填部を上向きにして充填装置4による充填と密封
装置10による充填部の密封を行った後に、搬送装置7
を180度反転して再び密封した充填部を下向きにして
搬送できるように搬送装置7に容器反転装置を設けるの
が好適である。In the method of the present invention, in order to reliably prevent air and other contaminants and ensure sterilization, such as blood transfusions and blood for blood transfusion, etc., the sealed containers in which the filling portions of these plastic containers are sealed are used. A container filling section cutting device is provided in front of the filling device 4 so that the filling portion can be opened in the high-pressure tank 3 to fill the material to be sterilized by using the container. After the supply unit was cut off and the filling unit was cut, the conveying device 7 was rotated 180 degrees to fill the container with the filling unit facing upward, and the filling by the filling device 4 and the sealing of the filling unit by the device 10 were performed. Later, the transport device 7
It is preferable to provide the transporting device 7 with a container reversing device so that the container can be transported by turning the container 180 upside down by 180 degrees and refilling the sealed portion downward.
【0015】更に前記容器供給装置8及び容器取り出し
装置9における容器の出し入れ手段は高圧タンク3内の
圧力を低下させることのない従来知られている方式、例
えば特公昭56−43350号公報、特開昭64−51
069号公報等の方式を使用することができる。Further, the means for loading and unloading the containers in the container supply device 8 and the container removal device 9 does not lower the pressure in the high-pressure tank 3 and is conventionally known, for example, Japanese Patent Publication No. Sho 56-43350, 1964-51
No. 069 can be used.
【0016】[0016]
【発明の効果】本発明の方法は高圧タンク外で流動性の
被殺菌物を予め直接殺菌温度以上に高温加熱したものを
直ちに加熱されない常温の高圧タンク内においてプラス
チック容器に充填密封し、そのまま高圧タンク内で所定
の殺菌時間保持して殺菌することにより、従来の容器に
充填した後で高温高圧のタンク内で殺菌温度に加熱する
方式に比し熱効率を著しく向上できると同時に殺菌温度
の温度管理が容易であり、しかもプラスチック容器が殺
菌加熱により白化現象を起こしたり容器を変質させたり
してその品質を低下させることもなく、食品等を低コス
トで効率よく加熱殺菌処理を行うことができる。According to the method of the present invention, a material to be sterilized which is fluid outside the high-pressure tank is directly heated to a temperature higher than the sterilization temperature in advance, and the plastic container is filled and sealed in a high-pressure tank at room temperature which is not immediately heated. By maintaining the sterilization time in the tank and sterilizing it, the heat efficiency can be significantly improved compared to the conventional method of filling the container and then heating to the sterilization temperature in the high-temperature and high-pressure tank, and at the same time controlling the temperature of the sterilization temperature In addition, the food container and the like can be efficiently heat-sterilized at low cost without causing whitening due to sterilization heating of the plastic container or deteriorating the container due to deterioration of the container.
【図1】本発明方法を実施する高圧タンク内部の正面図
である。FIG. 1 is a front view of the inside of a high-pressure tank for implementing a method of the present invention.
2 高温加熱装置 3 高圧タンク 4 充填装置 5 冷却槽 7 搬送装置 8 容器供給装置 9 容器取り出し装置 10 密封装置 2 High-temperature heating device 3 High-pressure tank 4 Filling device 5 Cooling tank 7 Transport device 8 Container supply device 9 Container removal device 10 Sealing device
Claims (1)
物を加熱しない常温の高圧タンク内においてフィルム袋
のようなプラスチック容器に充填密封し、次いでこれを
前記加熱しない常温の高圧タンク内で所定の殺菌時間保
持して所要の殺菌を行った後冷却して高圧タンク内から
取り出すことを特徴とする食品等の殺菌方法。1. A plastic container such as a film bag is filled and sealed in a room temperature high-pressure tank that does not heat a sterilized material immediately after being heated to a temperature higher than the sterilizing temperature.
A method for sterilizing foods or the like, comprising maintaining a predetermined sterilization time in the non-heated normal-temperature high-pressure tank, performing required sterilization, cooling, and taking out from the high-pressure tank.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP36769990A JP3162032B2 (en) | 1990-03-20 | 1999-01-11 | Sterilization method of food etc. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP36769990A JP3162032B2 (en) | 1990-03-20 | 1999-01-11 | Sterilization method of food etc. |
Publications (1)
Publication Number | Publication Date |
---|---|
JP3162032B2 true JP3162032B2 (en) | 2001-04-25 |
Family
ID=18489979
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP36769990A Expired - Lifetime JP3162032B2 (en) | 1990-03-20 | 1999-01-11 | Sterilization method of food etc. |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3162032B2 (en) |
-
1999
- 1999-01-11 JP JP36769990A patent/JP3162032B2/en not_active Expired - Lifetime
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