JPH0413214B2 - - Google Patents
Info
- Publication number
- JPH0413214B2 JPH0413214B2 JP13144483A JP13144483A JPH0413214B2 JP H0413214 B2 JPH0413214 B2 JP H0413214B2 JP 13144483 A JP13144483 A JP 13144483A JP 13144483 A JP13144483 A JP 13144483A JP H0413214 B2 JPH0413214 B2 JP H0413214B2
- Authority
- JP
- Japan
- Prior art keywords
- packaging material
- sterilizing
- packaging
- packaging materials
- electrolyte
- 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
Links
Description
【発明の詳細な説明】
本発明は、巻取状の包装材料を連続的に高温短
時間殺菌する方法及び装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method and apparatus for continuously sterilizing a roll of packaging material at high temperatures for short periods of time.
包装材料の殺菌方法としては、過熱蒸気による
方法、H2O2等の薬剤による殺菌方法、γ線や加
速電子線及び紫外線による照射殺菌方法があり、
また個別の殺菌法を併用し、相乗効果を目的とし
た併用殺菌方法が採用される場合がある。 Methods for sterilizing packaging materials include methods using superheated steam, methods using chemicals such as H 2 O 2 , and irradiation methods using gamma rays, accelerated electron beams, and ultraviolet rays.
In addition, a combined sterilization method may be adopted in which individual sterilization methods are used together to achieve a synergistic effect.
本発明は殺菌薬液による殺菌作用及びマイクロ
波照射による加熱殺菌作用を併用することによ
り、包装材料を殺菌する方法及び装置に関するも
のである。 The present invention relates to a method and apparatus for sterilizing packaging materials by combining the sterilizing effect of a sterilizing chemical solution and the heat sterilizing effect of microwave irradiation.
マイクロ波は物質に照射すると、その物質が水
分等、誘電損失の大きい物質で構成されている場
合、物質内で内部発熱現象をおこす。照射された
物質が加圧雰囲気下、例えば２〜３Kg／cm2にあれ
ば、加熱温度は耐熱性芽胞菌を死滅させるに充分
な120〜130℃まで昇温可能である。 When microwaves are irradiated onto a material, internal heat generation occurs within the material if the material is made of water or other material with large dielectric loss. If the irradiated substance is under a pressurized atmosphere, for example 2 to 3 kg/cm 2 , the heating temperature can be raised to 120 to 130° C., which is sufficient to kill heat-resistant spore bacteria.
ところが包装材料に単にマイクロ波を照射して
も、包装材料は一般的に誘電損失が非常に小さい
ために、ほとんど昇温しない。 However, even if the packaging material is simply irradiated with microwaves, the temperature of the packaging material will hardly rise because the dielectric loss of the packaging material is generally very small.
本発明は、マイクロ波の特質を生かし、包装材
料に電解質を添加した殺菌薬液の被膜を形成さ
せ、包装材料を誘電損失が非常に大きな状態にさ
せた上でマイクロ波を照射し、包装材料を殺菌薬
剤による殺菌効果とともに高温単時間殺菌の併用
効果により、殺菌するものである。 The present invention utilizes the characteristics of microwaves to form a coating of a sterilizing chemical solution containing an electrolyte on packaging materials, which causes the packaging material to have a very large dielectric loss, and then irradiates the packaging material with microwaves. Sterilization is achieved through the combined effect of high-temperature, single-time sterilization in addition to the sterilization effect of sterilizing agents.
本発明を一実施例により詳細に説明する。 The present invention will be explained in detail by way of an example.
第１図は本発明の一実施例を示すもので、巻取
状の包装材料１は、まずスプレー装置２に入り、
スプレーノズル３，３′から電解質を添加した殺
菌薬剤溶液４，４′がスプレーされ、包装材料に
誘電損失の非常に大きな薬液の被膜が形成され
る。 FIG. 1 shows an embodiment of the present invention, in which a roll of packaging material 1 first enters a spray device 2;
A sterilizing chemical solution 4, 4' to which an electrolyte has been added is sprayed from the spray nozzles 3, 3', and a coating of the chemical liquid with a very large dielectric loss is formed on the packaging material.
次に包装材料１は、ノズル５より圧縮空気が送
りこまれる前加圧室６を通り、マイクロ波照射室
７に入る。 Next, the packaging material 1 passes through a pre-pressurization chamber 6 into which compressed air is fed from a nozzle 5, and enters a microwave irradiation chamber 7.
照射室７は、加圧空気給入口８及び圧力調整口
９により室内を一定気圧、望ましくは２〜３Kg／
cm2に加圧されており、マイクロ波発振装置１０を
介して発せられた2450MHzのマイクロ波が撹拌
機１１によつて撹拌されて包装材料１に照射され
る。また、包装材料１は、ガイドロール１２によ
り蛇行させられ、マイクロ波が均一にしかも殺菌
に充分に昇温可能なほど照射される構造となつて
いる。 The irradiation chamber 7 maintains a constant atmospheric pressure, preferably 2 to 3 kg/kg, through a pressurized air supply port 8 and a pressure adjustment port 9.
The packaging material 1 is pressurized to 2450 MHz and is agitated by a stirrer 11 and irradiated with microwaves of 2450 MHz emitted through a microwave oscillator 10. Furthermore, the packaging material 1 is made to meander by guide rolls 12, and is structured to be irradiated with microwaves uniformly and to a level that can raise the temperature sufficiently for sterilization.
包装材料１は、マイクロ波照射室７内で120〜
130℃に加熱され、さらに薬剤による殺菌作用と
の併用効果により、完全に殺菌された後、ノズル
１３から圧縮空気を供給される後加圧室１４を通
り、冷却乾燥室１５に入る。冷却乾燥室１５では
無菌空気がノズル１６を介して供給され排気口１
７より排出されており、ガイドローラ１８によつ
て包装材料が蛇行する構造となつており、包装材
料１は完全に冷却乾燥して排出口１９から系外に
排出される。 Packaging material 1 is heated to 120~
After being heated to 130° C. and completely sterilized due to the combined effect of the sterilizing effect of the chemicals, compressed air is supplied from the nozzle 13, and then passes through the pressurizing chamber 14 and enters the cooling and drying chamber 15. In the cooling drying chamber 15, sterile air is supplied through the nozzle 16 and the exhaust port 1
The packaging material 1 is discharged from the system through a discharge port 19 after being completely cooled and dried.
また、第２図に示すものは、第１図のスプレー
装置３，３′に代えて、薬液槽２０を設けたもの
で、包装材料１はまず薬液槽２０に浸漬され、こ
の後加圧室６に導入される。以後の工程は第１図
の場合と同様である。 In addition, the one shown in FIG. 2 is provided with a chemical tank 20 in place of the spray devices 3 and 3' shown in FIG. 6 will be introduced. The subsequent steps are the same as in the case of FIG.
次に本発明による殺菌効果の具体例について説
明する。 Next, specific examples of the bactericidal effect according to the present invention will be explained.
包装材料は純白ロール40ｇ／m2／ポリエチレン
20μを使用し、殺菌剤として塩化ナトリウム１％
添加30％H2O2液を用い、マイクロ波発振装置は
第１図のごとく、600W発振器４台とした。また
照射室は常時２Kg／cm2の加圧下とした。 Packaging material is pure white roll 40g/m 2 / polyethylene
Use 20μ and 1% sodium chloride as a disinfectant.
Added 30% H 2 O 2 solution was used, and the microwave oscillator was four 600W oscillators as shown in Figure 1. The irradiation chamber was always under pressure of 2 kg/cm 2 .
次に、包装材料両面にあらかじめB.Subtilis
ATCC9466の胞子懸濁液をスプレーし、紙面及び
ポリエチレン面の菌数をそれぞれ104／100cm2とし
た。この巻取状包材を第１図の装置を通過させた
後、包装材料の紙面、ポリエチレン面を含みホモ
ジナイズして100cm2あたりの菌数を測定したとこ
ろ、菌はまつたく検出されなかつた。 Next, pre-pack B.Subtilis on both sides of the packaging material.
A spore suspension of ATCC9466 was sprayed to give a bacterial count of 10 4 /100 cm 2 on the paper surface and the polyethylene surface, respectively. After this rolled packaging material was passed through the apparatus shown in Figure 1, it was homogenized including the paper and polyethylene surfaces of the packaging material, and the number of bacteria per 100 cm 2 was measured, and no bacteria were detected at all.
一般的に、包装材料に付着する微生物の菌数は
おおむね102／100cm2以下であり、本発明の殺菌方
法によれば包装材料は、ほぼ無菌状態まで殺菌す
ることが可能である。 Generally, the number of microorganisms adhering to packaging materials is approximately 10 2 /100 cm 2 or less, and according to the sterilization method of the present invention, packaging materials can be sterilized to a nearly sterile state.
図面は本発明の実施例を示し、第１図及び第２
図は本発明の工程を示す説明図である。
１…包装材料、２…スプレー装置、３…スプレ
ーノズル、４…殺菌薬剤、５…加圧ノズル、６…
前加圧室、７…マイクロ波照射室、８…加圧ノズ
ル、９…圧力調整口、１０…マイクロ波発振装
置、１１…撹拌機、１２…ガイドロール、１３…
加圧ノズル、１４…後加圧室、１５…冷却乾燥
室、１６…通気室、１７…排気口、１８…ガイド
ロール、１９…排出口、２０…薬液槽。
The drawings show embodiments of the invention, FIGS. 1 and 2.
The figure is an explanatory diagram showing the steps of the present invention. 1...Packaging material, 2...Spray device, 3...Spray nozzle, 4...Bactericidal agent, 5...Pressure nozzle, 6...
Pre-pressurization chamber, 7... Microwave irradiation chamber, 8... Pressure nozzle, 9... Pressure adjustment port, 10... Microwave oscillator, 11... Stirrer, 12... Guide roll, 13...
Pressure nozzle, 14... Post-pressurization chamber, 15... Cooling and drying chamber, 16... Ventilation chamber, 17... Exhaust port, 18... Guide roll, 19... Discharge port, 20... Chemical tank.
Claims (1)
薬剤溶液を付与し、次に加圧雰囲気でマイクロ波
を照射して100℃以上で殺菌した後、無菌空気に
よつて冷却することを特徴とする包装材料の殺菌
方法。 ２ 巻取状の包装材料に、電解質を添加した殺菌
溶液を噴霧することにより付与することを特徴と
する特許請求の範囲第１項記載の包装材料の殺菌
方法。 ３ 巻取状の包装材料を、電解質を含む殺菌薬剤
溶液中に浸漬することにより付与することを特徴
とする特許請求の範囲第１項記載の包装材料の殺
菌方法。[Claims] 1. A sterilizing agent solution containing an electrolyte is applied to a roll of packaging material, and then sterilized at 100°C or higher by irradiation with microwaves in a pressurized atmosphere, and then sterilized with sterile air. A method for sterilizing packaging materials, characterized by cooling the packaging materials. 2. A method for sterilizing packaging materials according to claim 1, characterized in that a sterilizing solution to which an electrolyte is added is applied to the rolled packaging material by spraying it. 3. A method for sterilizing packaging materials according to claim 1, characterized in that the packaging material is sterilized by immersing the rolled packaging material in a sterilizing agent solution containing an electrolyte.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13144483A JPS6023121A (en) | 1983-07-19 | 1983-07-19 | Method of sterilizing packing material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13144483A JPS6023121A (en) | 1983-07-19 | 1983-07-19 | Method of sterilizing packing material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6023121A JPS6023121A (en) | 1985-02-05 |
| JPH0413214B2 true JPH0413214B2 (en) | 1992-03-09 |
Family
ID=15058096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13144483A Granted JPS6023121A (en) | 1983-07-19 | 1983-07-19 | Method of sterilizing packing material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6023121A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02269620A (en) * | 1989-04-12 | 1990-11-05 | Snow Brand Milk Prod Co Ltd | Drying method and device for disinfectant on packaging filling machine |
| CN118545553B (en) * | 2024-07-30 | 2024-11-15 | 南通辉创新材料科技有限公司 | A rewinding processing device and method for tableware packaging film |
-
1983
- 1983-07-19 JP JP13144483A patent/JPS6023121A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6023121A (en) | 1985-02-05 |
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