JP2010022325A - Vegetable-cleaning system - Google Patents

Vegetable-cleaning system Download PDF

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JP2010022325A
JP2010022325A JP2008190257A JP2008190257A JP2010022325A JP 2010022325 A JP2010022325 A JP 2010022325A JP 2008190257 A JP2008190257 A JP 2008190257A JP 2008190257 A JP2008190257 A JP 2008190257A JP 2010022325 A JP2010022325 A JP 2010022325A
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cleaning
concentration
water
tank
washing
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Keiichi Yamashita
啓一 山下
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MATSUI KIKI KOGYO KK
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MATSUI KIKI KOGYO KK
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Priority to KR1020080091099A priority patent/KR20100010886A/en
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23NMACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
    • A23N12/00Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts
    • A23N12/02Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts for washing or blanching
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23BPRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B7/00Preservation or chemical ripening of fruit or vegetables
    • A23B7/14Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
    • A23B7/153Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of liquids or solids
    • A23B7/157Inorganic compounds
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/34Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals
    • A23L3/3454Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of liquids or solids
    • A23L3/358Inorganic compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04Cleaning involving contact with liquid
    • B08B3/08Cleaning involving contact with liquid the liquid having chemical or dissolving effect

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vegetable-cleaning system capable of adjusting and regulating an effective chlorine concentration so as to be a prescribed value by directly detecting the effective chlorine concentration of a cleaning water in a cleaning vessel. <P>SOLUTION: The vegetable-cleaning system sterilizes and cleans the vegetables in the cleaning vessel 11 while continuously feeding electrolytic hypochlorite solution formed in an electrolytic hypochlorite solution-forming device 15 and having a prescribed effective chlorine concentration to the cleaning vessel 11 as the cleaning water. The effective chlorine concentration of the cleaning water in the cleaning vessel 11 is detected by a concentration sensor 22 under cleaning of the vegetables. When the value detected by the concentration sensor 22 become lower than a prescribed value, the effective chlorine concentration of the cleaning water is adjusted by feeding the high-concentration electrolytic hypochlorite solution into the cleaning vessel 11 through the concentration-regulating pathway 27. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

この発明は、例えば細切りや角切り等にカットしたカット野菜を殺菌洗浄することに使用される野菜洗浄システムに関するものである。   The present invention relates to a vegetable cleaning system used for sterilizing and cleaning cut vegetables that have been cut into, for example, shredded or cut into squares.

従来、この種の食材洗浄システムとしては、例えば特許文献1に開示されるような構成が提案されている。
この従来構成においては、食材を浸すための塩水を蓄える処理槽と、その処理槽に塩水を供給する塩水供給路と装備されている。塩水供給路には、処理槽に供給する塩水を電気分解して塩素を生成するための電解槽が介装されている。この電解槽には、外部給水源の水と濃塩水タンクの濃塩水とを混合調製した希塩水が供給される。処理槽には、その処理槽に供給する塩水の濃度を検出するための濃度センサが設けられている。そして、この濃度センサにより検出された塩水の濃度が設定値から外れたとき、水と濃塩水との混合割合が調整される。この混合割合の調整により、電解槽から処理槽に供給される塩水中の塩素濃度が所定値となるように調整される。
Conventionally, as this kind of food cleaning system, for example, a configuration as disclosed in Patent Document 1 has been proposed.
In this conventional configuration, a processing tank for storing salt water for immersing food materials and a salt water supply path for supplying salt water to the processing tank are provided. An electrolytic tank for electrolyzing salt water supplied to the treatment tank to generate chlorine is interposed in the salt water supply path. The electrolytic cell is supplied with dilute salt water prepared by mixing and mixing water from an external water supply source and concentrated salt water from a concentrated salt water tank. The treatment tank is provided with a concentration sensor for detecting the concentration of salt water supplied to the treatment tank. And when the density | concentration of the salt water detected by this density | concentration sensor remove | deviates from a setting value, the mixing ratio of water and concentrated salt water is adjusted. By adjusting the mixing ratio, the chlorine concentration in the salt water supplied from the electrolytic cell to the treatment tank is adjusted to a predetermined value.

さらに、この従来構成においては、電解槽の内部が隔壁により一対の電極と対応する2つの電解室とに区画され、各電解室において酸性電解水及びアルカリ性電解水が生成される。処理槽には、その処理槽内の塩水のpHを検出するpHセンサが設けられている。そして、このpHセンサにより検出された塩水のpHが設定値よりも低い場合には、アルカリ性電解水のみが電解槽から処理槽に供給される。これに対して、pHセンサにより検出された塩水のpHが設定値よりも高い場合には、酸性電解水のみが電解槽から処理槽に供給される。この酸性電解水の供給により、処理槽内の塩水のpHが調整される。
特開2002−272435号公報
Furthermore, in this conventional configuration, the inside of the electrolytic cell is partitioned into two electrolytic chambers corresponding to the pair of electrodes by a partition, and acidic electrolyzed water and alkaline electrolyzed water are generated in each electrolyzed chamber. The treatment tank is provided with a pH sensor that detects the pH of the salt water in the treatment tank. And when the pH of the salt water detected by this pH sensor is lower than a preset value, only alkaline electrolyzed water is supplied from an electrolytic cell to a processing tank. On the other hand, when the pH of the salt water detected by the pH sensor is higher than the set value, only acidic electrolyzed water is supplied from the electrolytic cell to the treatment tank. By supplying the acidic electrolyzed water, the pH of the salt water in the treatment tank is adjusted.
JP 2002-272435 A

ところが、この従来構成においては、前記のように、処理槽内の塩水の濃度を検出して、その検出値が所定値となるように塩水濃度を変更することより、塩水中の塩素濃度を調整するようにしている。ここで、塩素濃度はカット野菜の大きさ・種類・量により失活速度が大きく異なり、塩水の電気分解後は、表1から明らかなように、処理槽内にて安定した塩素濃度を確保することは困難であった。   However, in this conventional configuration, as described above, the concentration of chlorine in salt water is adjusted by detecting the concentration of salt water in the treatment tank and changing the salt water concentration so that the detected value becomes a predetermined value. Like to do. Here, the chlorine concentration varies greatly depending on the size, type and amount of the cut vegetables, and after the electrolysis of salt water, as shown in Table 1, a stable chlorine concentration is secured in the treatment tank. It was difficult.

Figure 2010022325
また、この従来構成においては、処理槽内の塩水のpHを検出して、その検出値が所定値となるように、電解槽から処理槽に対して酸性電解水またはアルカリ性電解水を切換え供給するようにしている。このため、電解槽の構成が複雑になるとともに、pHの調整制御が煩雑になるという問題があった。
Figure 2010022325
Further, in this conventional configuration, the pH of the salt water in the treatment tank is detected, and acidic electrolytic water or alkaline electrolytic water is switched and supplied from the electrolytic tank to the treatment tank so that the detected value becomes a predetermined value. I am doing so. For this reason, there existed a problem that the structure of an electrolytic cell became complicated and pH adjustment control became complicated.

この発明は、このような従来の技術に存在する問題点に着目してなされたものである。その主たる目的は、洗浄槽内の洗浄水の有効塩素濃度を直接検出して、その有効塩素濃度が所定値となるように簡単に調整制御することができる野菜洗浄システムを提供することにある。   The present invention has been made paying attention to such problems existing in the prior art. Its main purpose is to provide a vegetable cleaning system that can directly detect the effective chlorine concentration of the cleaning water in the cleaning tank and easily adjust and control the effective chlorine concentration to a predetermined value.

また、この発明のその上の目的は、洗浄槽内の洗浄水のpHが所定値よりも高くなった場合でも、簡単に調整制御することができる野菜洗浄システムを提供することにある。   Another object of the present invention is to provide a vegetable cleaning system that can be easily adjusted and controlled even when the pH of the cleaning water in the cleaning tank becomes higher than a predetermined value.

上記の目的を達成するために、この発明は、電解次亜水生成装置で生成される所定有効塩素濃度の電解次亜水を洗浄水として洗浄槽に連続的に供給しながら、その洗浄槽内で野菜を殺菌洗浄するようにした野菜洗浄システムにおいて、前記洗浄槽内の洗浄水の有効塩素濃度を検出する濃度検出手段と、その濃度検出手段の検出値が所定値よりも低下したとき、洗浄槽内に高濃度電解次亜水を供給して洗浄水の有効塩素濃度を調整する濃度調整手段とを備えたことを特徴としている。   In order to achieve the above-mentioned object, the present invention continuously supplies electrolytic hyponitrous acid having a predetermined effective chlorine concentration generated in the electrolytic hyponitrous generator as washing water to the washing tank, In the vegetable washing system in which the vegetables are sterilized and washed, the concentration detection means for detecting the effective chlorine concentration of the washing water in the washing tank, and when the detection value of the concentration detection means falls below a predetermined value, washing It is characterized by comprising a concentration adjusting means for adjusting the effective chlorine concentration of the washing water by supplying high concentration electrolytic hyponitrous acid into the tank.

従って、この発明の野菜洗浄システムにおいては、野菜の殺菌洗浄時に、洗浄槽内の洗浄水の有効塩素濃度が濃度検出手段により検出される。そして、この有効塩素濃度の検出値が所定値よりも低下したときには、濃度調整手段により洗浄槽内に高濃度電解次亜水が供給されて、洗浄水の有効塩素濃度が所定値となるように調整される。よって、洗浄水の有効塩素濃度を直接検出して、その検出結果に基づいて有効塩素濃度が所定値となるように簡単に調整制御することができる。   Therefore, in the vegetable cleaning system of the present invention, the effective chlorine concentration of the cleaning water in the cleaning tank is detected by the concentration detecting means when the vegetables are sterilized and cleaned. When the detected value of effective chlorine concentration falls below a predetermined value, the concentration adjusting means supplies high-concentration electrolytic hyponitrous acid into the cleaning tank so that the effective chlorine concentration of the cleaning water becomes a predetermined value. Adjusted. Therefore, the effective chlorine concentration of the washing water can be directly detected, and the adjustment control can be easily performed based on the detection result so that the effective chlorine concentration becomes a predetermined value.

また、前記の構成において、前記洗浄槽内の洗浄水のpHを検出するpH検出手段と、そのpH検出手段の検出値が所定範囲を越えたとき、洗浄槽内に酸を供給して洗浄水のpHを調整するpH調整手段とをさらに備えるとよい。このように構成した場合には、野菜の殺菌洗浄時に、洗浄槽内の洗浄水のpHがpH検出手段により検出される。そして、このpHの検出値が所定範囲を越えたときには、pH調整手段により洗浄槽内に酸が供給されて、洗浄水のpHが所定値となるように調整される。よって、洗浄水のpHが所定値よりも高くなった場合でも、簡単に調整制御することができる。   Further, in the above configuration, the pH detecting means for detecting the pH of the cleaning water in the cleaning tank, and when the detected value of the pH detecting means exceeds a predetermined range, the cleaning water is supplied by supplying acid to the cleaning tank. It is preferable to further comprise pH adjusting means for adjusting the pH. In such a configuration, the pH of the washing water in the washing tank is detected by the pH detection means at the time of sterilizing and washing the vegetables. When the detected pH value exceeds a predetermined range, acid is supplied into the cleaning tank by the pH adjusting means so that the pH of the cleaning water is adjusted to a predetermined value. Therefore, even when the pH of the cleaning water becomes higher than a predetermined value, the adjustment control can be easily performed.

さらに、前記の構成において、前記濃度検出手段またはpH検出手段の検出結果を経時的に記録する記録手段をさらに備えるとよい。このように構成した場合には、野菜の殺菌洗浄中に、品質管理に必要な洗浄水の有効塩素濃度やpHの状態を、作業者が手作業で所定時間おき等に記録する必要がなく、作業を簡素化することができる。   Furthermore, in the above-described configuration, it is preferable to further include a recording unit that records the detection result of the concentration detection unit or the pH detection unit over time. When configured in this way, during the sterilization washing of vegetables, it is not necessary for the operator to manually record the effective chlorine concentration and pH state of the washing water necessary for quality control every predetermined time, Work can be simplified.

以上のように、この発明によれば、洗浄槽内の洗浄水の有効塩素濃度を直接検出して、その有効塩素濃度が所定値となるように簡単に調整制御することができるという効果を発揮する。   As described above, according to the present invention, it is possible to directly detect the effective chlorine concentration of the cleaning water in the cleaning tank and easily adjust and control the effective chlorine concentration to a predetermined value. To do.

以下に、この発明の一実施形態を、図面に基づいて説明する。
図1に示すように、この実施形態の野菜洗浄システムにおいては、野菜及び洗浄水を収容するための所定容量の洗浄槽11が装備されている。洗浄槽11の一側上部には、野菜を例えば細切りや角切り等にカットした状態で洗浄槽11内に供給するための野菜供給部12が設けられている。洗浄槽11の底部には、洗浄槽11内の洗浄水に気泡を発生させて、野菜を洗浄するためのバブリング装置13が設けられている。洗浄槽11の他側上部には、洗浄槽11内で殺菌洗浄された野菜を受け取るための野菜受け部14が設けられている。なお、前記野菜供給部12から洗浄槽11内に投入された野菜は、図示しないコンベアにより洗浄槽11内に移動して、野菜受け部14内に至る。
An embodiment of the present invention will be described below with reference to the drawings.
As shown in FIG. 1, the vegetable washing system of this embodiment is equipped with a washing tank 11 having a predetermined capacity for housing vegetables and washing water. A vegetable supply unit 12 for supplying the vegetables into the cleaning tank 11 in a state where the vegetables are cut into, for example, a thin cut or a square cut, is provided on one upper side of the cleaning tank 11. A bubbling device 13 for cleaning the vegetables by generating bubbles in the cleaning water in the cleaning tank 11 is provided at the bottom of the cleaning tank 11. A vegetable receiving portion 14 for receiving vegetables sterilized and cleaned in the cleaning tank 11 is provided on the other upper side of the cleaning tank 11. In addition, the vegetable thrown in into the washing tank 11 from the said vegetable supply part 12 moves in the washing tank 11 with the conveyor which is not shown in figure, and reaches in the vegetable receiving part 14. FIG.

図1に示すように、前記洗浄槽11には、電解次亜水生成装置15が接続されている。そして、この電解次亜水生成装置15において塩水の電気分解により、所定有効塩素濃度(例えば、10〜100mg/L)で、所定pH(例えば、pH5〜6.5)の電解次亜水が生成され、その電解次亜水が洗浄水として、供給路16を介して洗浄槽11に連続的に供給されながら、前記バブリング装置13との協働により野菜の殺菌洗浄が行われる。電解次亜水生成装置15内には、その電解次亜水生成装置15で生成された高有効塩素濃度(例えば、5000〜20000mg/L)の高濃度電解次亜水を貯留するための貯留タンク17が設けられている。   As shown in FIG. 1, an electrolytic hyponitrous generator 15 is connected to the cleaning tank 11. In the electrolytic hyponitrous generator 15, electrolytic hyposulfite having a predetermined pH (for example, pH 5 to 6.5) is generated at a predetermined effective chlorine concentration (for example, 10 to 100 mg / L) by electrolysis of salt water. Then, the electrolytic hyponitrous acid is sterilized and washed in cooperation with the bubbling device 13 while being continuously supplied to the washing tank 11 through the supply path 16 as washing water. A storage tank for storing high-concentration electrolytic sub-sulfur having a high effective chlorine concentration (for example, 5000 to 20000 mg / L) generated in the electrolytic sub-sulfur generating device 15 in the electrolytic sub-sulfur generating device 15. 17 is provided.

図1に示すように、前記洗浄槽11の下部には調整槽18が付設され、電解次亜水生成装置15から洗浄槽11内に連続的に供給される洗浄水が、排水路19を介してこの調整槽18内に排出される。調整槽18の側壁上部には溢水路20が接続され、洗浄槽11から調整槽18内に排出された洗浄水が、その洗浄水の表面に浮上した汚れとともに、この溢水路20を通して外部に排出される。調整槽18内には、洗浄水の水位を検出するための水位センサ21、洗浄水の有効塩素濃度を検出する濃度検出手段としての濃度センサ22、及び洗浄水のpH(ペーハー)を検出するpH検出手段としてのpHセンサ23が設けられている。   As shown in FIG. 1, an adjustment tank 18 is attached to the lower part of the cleaning tank 11, and the cleaning water continuously supplied from the electrolytic hyponitrous generator 15 into the cleaning tank 11 passes through the drainage channel 19. It is discharged into the adjustment tank 18. An overflow channel 20 is connected to the upper portion of the side wall of the adjustment tank 18, and the cleaning water discharged from the cleaning tank 11 into the adjustment tank 18 is discharged to the outside through the overflow channel 20 together with dirt floating on the surface of the cleaning water. Is done. In the adjustment tank 18, a water level sensor 21 for detecting the water level of the cleaning water, a concentration sensor 22 as a concentration detecting means for detecting the effective chlorine concentration of the cleaning water, and a pH for detecting the pH (pH) of the cleaning water. A pH sensor 23 is provided as detection means.

図1に示すように、前記調整槽18の底部と洗浄槽11の側部との間には、返還路24が接続されている。返還路24中には洗浄水返還ポンプ25が設けられ、モータ26によって作動される。そして、前記水位センサ21により検出された調整槽18内の洗浄水の水位が所定値よりも低下したとき、モータ26により洗浄水返還ポンプ25が作動されて、調整槽18内の洗浄水が返還路24を介して洗浄槽11内に返還される。   As shown in FIG. 1, a return path 24 is connected between the bottom of the adjustment tank 18 and the side of the cleaning tank 11. A washing water return pump 25 is provided in the return path 24 and is operated by a motor 26. When the water level of the cleaning water in the adjustment tank 18 detected by the water level sensor 21 falls below a predetermined value, the cleaning water return pump 25 is operated by the motor 26 and the cleaning water in the adjustment tank 18 is returned. It returns to the washing tank 11 through the path 24.

図1に示すように、前記電解次亜水生成装置15内の貯留タンク17の下部と洗浄槽11の上部との間には、洗浄水の有効塩素濃度を調整するための濃度調整手段としての濃度調整路27が接続されている。濃度調整路27中には高濃度電解次亜水供給ポンプ28が設けられ、モータ29によって作動される。そして、前記濃度センサ22により検出された洗浄水の有効塩素濃度が所定値よりも低下したとき、モータ29により高濃度電解次亜水供給ポンプ28が作動されて、貯留タンク17内の高濃度電解次亜水が濃度調整路27を介して洗浄槽11内に供給される。   As shown in FIG. 1, between the lower part of the storage tank 17 and the upper part of the washing tank 11 in the electrolytic hyponitrous generator 15 as a concentration adjusting means for adjusting the effective chlorine concentration of the washing water. A density adjustment path 27 is connected. A high-concentration electrolytic hyponitrous acid supply pump 28 is provided in the concentration adjustment path 27 and is operated by a motor 29. When the effective chlorine concentration of the washing water detected by the concentration sensor 22 falls below a predetermined value, the high concentration electrolysis sub-aqueous feed pump 28 is operated by the motor 29 and the high concentration electrolysis in the storage tank 17 is performed. Hyponitrous acid is supplied into the cleaning tank 11 through the concentration adjusting path 27.

図1に示すように、前記洗浄槽11の上方には、乳酸または酢酸等の酸を収容した酸収容タンク30が付設されている。酸収容タンク30と洗浄槽11の上部との間には、洗浄水のpHを調整するためのpH調整手段としてのpH調整路31が接続されている。pH調整路31中には酸添加ポンプ32が設けられ、モータ33によって作動される。そして、前記pHセンサ23により検出された洗浄水のpHが所定範囲(例えば、pH5〜6.5)を越えたとき、モータ33により酸添加ポンプ32が作動されて、酸収容タンク30内の酸がpH調整路31を介して洗浄槽11内に添加される。   As shown in FIG. 1, an acid storage tank 30 that stores an acid such as lactic acid or acetic acid is attached above the cleaning tank 11. A pH adjustment path 31 is connected between the acid storage tank 30 and the upper part of the cleaning tank 11 as pH adjusting means for adjusting the pH of the cleaning water. An acid addition pump 32 is provided in the pH adjustment path 31 and is operated by a motor 33. When the pH of the washing water detected by the pH sensor 23 exceeds a predetermined range (for example, pH 5 to 6.5), the acid addition pump 32 is operated by the motor 33 and the acid in the acid storage tank 30 is Is added into the washing tank 11 through the pH adjustment path 31.

次に、前記のように構成された野菜洗浄システムの電気回路構成について説明する。
図2に示すように、制御装置36は制御手段を構成し、メモリ37に記憶されたプログラムに基づいて野菜洗浄システム全体の動作を制御する。メモリ37には、制御装置36の制御に必要な諸データ、例えば洗浄水の有効塩素濃度及びpHの規定値等のデータが、洗浄する野菜の種類やカット状態等に応じて記憶されている。制御装置36には、野菜の殺菌洗浄中に、前記水位センサ21、濃度センサ22及びpHセンサ23から検出信号が入力される。
Next, the electrical circuit configuration of the vegetable cleaning system configured as described above will be described.
As shown in FIG. 2, the control device 36 constitutes a control means, and controls the operation of the whole vegetable washing system based on a program stored in the memory 37. The memory 37 stores various data necessary for the control of the control device 36, for example, data such as the effective chlorine concentration and pH of the wash water, according to the type of vegetables to be washed, the cut state, and the like. Detection signals are input to the control device 36 from the water level sensor 21, the concentration sensor 22 and the pH sensor 23 during the sterilization washing of vegetables.

前記制御装置36からは、野菜の殺菌洗浄時に、前記バブリング装置13及び電解次亜水生成装置15に対して作動及び停止の信号が出力される。また、制御装置36からは、野菜の殺菌洗浄中に、前記洗浄水返還ポンプ用モータ26、高濃度電解次亜水供給ポンプ用モータ29及び酸添加ポンプ用モータ33に対して作動及び停止の信号が出力される。   The control device 36 outputs an operation and stop signal to the bubbling device 13 and the electrolytic hyponitrous generator 15 at the time of sterilizing and washing vegetables. In addition, during the sterilization washing of vegetables, the control device 36 sends an operation and stop signal to the washing water return pump motor 26, the high concentration electrolytic hypochlorite supply pump motor 29, and the acid addition pump motor 33. Is output.

操作部38はキーボード等を含む入力装置から構成され、メモリ37に記憶された諸データの設定変更等を行う場合に使用される。記録部39はプリンタ等の記録装置から構成され、野菜の殺菌洗浄時に、前記濃度センサ22及びpHセンサ23の検出結果を経時的に記録する。表示部40はディスプレイ等の表示装置から構成され、野菜の殺菌洗浄状況等を表示する。   The operation unit 38 is composed of an input device including a keyboard and the like, and is used when changing settings of various data stored in the memory 37. The recording unit 39 is composed of a recording device such as a printer, and records the detection results of the concentration sensor 22 and the pH sensor 23 over time when the vegetables are sterilized and washed. The display part 40 is comprised from display apparatuses, such as a display, and displays the sterilization washing | cleaning condition etc. of vegetables.

次に、前記のように構成された野菜洗浄システムの動作を説明する。
さて、この野菜洗浄システムの運転時には、電解次亜水生成装置15において塩水の電気分解により、所定有効塩素濃度(10〜100mg/L)で、所定pH(pH5〜6.5)の電解次亜水が生成され、その電解次亜水が洗浄水として、供給路16を介して洗浄槽11に連続的に供給される。この野菜洗浄中には、バブリング装置13により、洗浄槽11内の洗浄水に洗浄のための気泡が放出される。そして、洗浄槽11内に供給された洗浄水が排水路19を介して調整槽18内に排出された後、その調整槽18から溢水路20を介して外部に常時排水されることで、アクや汚れが常時排出されている。また、水位センサ21により調整槽18内の洗浄水の水位の上昇が検出されると、モータ26により洗浄水返還ポンプ25が作動して、調整槽18内の洗浄水が返還路24を介して洗浄槽11内に返還される。
Next, operation | movement of the vegetable washing system comprised as mentioned above is demonstrated.
Now, during the operation of this vegetable washing system, electrolytic hypochlorite generation device 15 performs electrolytic hypochlorite with a predetermined effective chlorine concentration (10 to 100 mg / L) and a predetermined pH (pH 5 to 6.5) by electrolysis of salt water. Water is generated, and the electrolytic hyponitrous water is continuously supplied to the cleaning tank 11 through the supply path 16 as cleaning water. During the vegetable cleaning, bubbles for cleaning are released into the cleaning water in the cleaning tank 11 by the bubbling device 13. Then, after the cleaning water supplied into the cleaning tank 11 is discharged into the adjustment tank 18 through the drainage channel 19, the cleaning water is always drained to the outside through the overflow channel 20 from the adjustment tank 18. And dirt are always discharged. When the water level sensor 21 detects an increase in the water level of the cleaning water in the adjustment tank 18, the cleaning water return pump 25 is operated by the motor 26, and the cleaning water in the adjustment tank 18 passes through the return path 24. It is returned to the cleaning tank 11.

また、この野菜の殺菌洗浄中には、濃度センサ22により洗浄水の有効塩素濃度が検出されて、その検出結果がメモリ37に記憶された規定値と比較される。そして、濃度センサ22で検出された洗浄水の有効塩素濃度が規定値よりも低下したときには、モータ29により高濃度電解次亜水供給ポンプ28が作動されて、貯留タンク17内の高濃度電解次亜水が濃度調整路27を介して洗浄槽11内に供給される。この高濃度電解次亜水により、洗浄槽11内の洗浄水の有効塩素濃度が規定値となるように調整される。よって、野菜の殺菌洗浄中に、洗浄水に含まれる塩素と有機物との反応等に起因して、洗浄水の有効塩素濃度が低下したとしても、それが直ちに濃度復帰して、野菜の殺菌効果が低減することを抑制することができる。   Further, during the sterilization washing of the vegetables, the effective chlorine concentration of the washing water is detected by the concentration sensor 22, and the detection result is compared with the specified value stored in the memory 37. When the effective chlorine concentration of the washing water detected by the concentration sensor 22 falls below a specified value, the high concentration electrolytic sub-sewage supply pump 28 is operated by the motor 29 and the high concentration electrolytic secondary in the storage tank 17 is operated. The sub-water is supplied into the cleaning tank 11 through the concentration adjusting path 27. The effective chlorine concentration of the cleaning water in the cleaning tank 11 is adjusted by the high-concentration electrolytic hyponitrous acid so as to become a specified value. Therefore, even if the effective chlorine concentration in the wash water decreases due to the reaction between chlorine and organic substances contained in the wash water during sterilization washing of vegetables, the concentration immediately recovers and the sterilization effect of the vegetables Can be reduced.

さらに、この野菜の殺菌洗浄中には、pHセンサ23により洗浄水のpHが検出されて、その検出結果がメモリ37に記憶された規定範囲(pH5〜6.5)と比較される。そして、pHセンサ23で検出された洗浄水のpHが規定範囲を越えたときには、モータ33により酸添加ポンプ32が作動されて、酸収容タンク30内の酸がpH調整路31を介して洗浄槽11内に添加される。これにより、洗浄槽11内の洗浄水のpHが規定範囲となるように調整される。よって、野菜の殺菌洗浄中に、野菜や電解次亜水の供給等に伴って、洗浄水のpHが規定範囲を越えて上昇(アルカリ性化)することを防止でき、野菜の殺菌効果が低減することを抑制することができる。   Further, during the sterilization washing of the vegetables, the pH of the washing water is detected by the pH sensor 23, and the detection result is compared with a specified range (pH 5 to 6.5) stored in the memory 37. When the pH of the washing water detected by the pH sensor 23 exceeds the specified range, the acid addition pump 32 is operated by the motor 33 so that the acid in the acid storage tank 30 is washed through the pH adjustment path 31. 11 is added. Thereby, the pH of the cleaning water in the cleaning tank 11 is adjusted to be within a specified range. Therefore, during the sterilization washing of vegetables, it is possible to prevent the pH of the washing water from rising beyond the specified range (alkalineization) due to the supply of vegetables and electrolytic hypochlorite, and the sterilization effect of vegetables is reduced. This can be suppressed.

しかも、この野菜の殺菌洗浄中には、前記濃度センサ22及びpHセンサ23の検出結果等が記録部39において経時的に記録される。よって、品質管理に必要な洗浄水の有効塩素濃度やpHの状態を、作業者が手作業で所定時間おき等に記録する必要がなく、作業を簡素化することができる。そして、洗浄槽11内において野菜の洗浄が終了すると、その野菜が洗浄槽11から野菜受け部14に取り出される。   In addition, during the sterilization washing of the vegetables, the detection results of the concentration sensor 22 and the pH sensor 23 are recorded in the recording unit 39 over time. Therefore, it is not necessary for the operator to manually record the effective chlorine concentration and pH state of the cleaning water necessary for quality control every predetermined time, and the work can be simplified. And when washing | cleaning of vegetables is complete | finished in the washing tank 11, the vegetables are taken out from the washing tank 11 to the vegetable receiving part 14. FIG.

以上のように、この実施形態の野菜洗浄システムにおいては、以下の効果を得ることができる。
(1) この実施形態においては、野菜の殺菌洗浄時に、洗浄槽11内の洗浄水の有効塩素濃度が検出され、その検出結果が所定値よりも低下したとき、洗浄槽11内に高濃度電解次亜水が供給されて、洗浄水の有効塩素濃度が調整される。よって、洗浄水の有効塩素濃度を直接検出することにより、その検出結果に基づいて有効塩素濃度が所定値となるように簡単に調整制御することができる。
As described above, in the vegetable cleaning system of this embodiment, the following effects can be obtained.
(1) In this embodiment, when sterilizing and washing vegetables, the effective chlorine concentration of the washing water in the washing tank 11 is detected, and when the detection result falls below a predetermined value, the high concentration electrolysis in the washing tank 11 Hypochlorite is supplied to adjust the effective chlorine concentration of the wash water. Therefore, by directly detecting the effective chlorine concentration of the washing water, it is possible to easily adjust and control the effective chlorine concentration to be a predetermined value based on the detection result.

(2) この実施形態の野菜洗浄システムにおいては、野菜の殺菌洗浄時に、洗浄槽11内の洗浄水のpHが検出されて、その検出結果が所定範囲を越えたとき、洗浄槽11内に酸が供給されて、洗浄水のpHが調整される。よって、洗浄水のpHが所定値よりも高くなった場合でも、その洗浄水のpHが所定値となるように簡単に調整制御することができる。   (2) In the vegetable washing system of this embodiment, when the pH of the washing water in the washing tank 11 is detected at the time of sterilization washing of vegetables, and the detection result exceeds a predetermined range, an acid is contained in the washing tank 11. Is supplied to adjust the pH of the washing water. Therefore, even when the pH of the cleaning water becomes higher than the predetermined value, the adjustment control can be easily performed so that the pH of the cleaning water becomes the predetermined value.

(3) この実施形態の野菜洗浄システムにおいては、野菜の殺菌洗浄中には、濃度センサ22の検出結果等が記録部39において経時的に記録されるため、作業者の記録作業を簡素化できて、品質管理及びコストダウンに寄与できる。   (3) In the vegetable washing system of this embodiment, the detection result of the concentration sensor 22 is recorded over time in the recording unit 39 during the sterilization washing of vegetables, so that the operator's recording work can be simplified. Can contribute to quality control and cost reduction.

(変更例)
なお、この実施形態は、次のように変更して具体化することも可能である。
・ 前記実施形態においては、洗浄槽11から調整槽18内に排出された洗浄水の有効塩素濃度及びpHを、濃度センサ22及びpHセンサ23にて検出するように構成されているが、洗浄槽11内の洗浄水の有効塩素濃度及びpHを各種センサ22,23により直接検出するように構成してもよい。
(Example of change)
In addition, this embodiment can also be changed and embodied as follows.
In the above embodiment, the effective chlorine concentration and pH of the cleaning water discharged from the cleaning tank 11 into the adjustment tank 18 are detected by the concentration sensor 22 and the pH sensor 23, but the cleaning tank 11 may be configured to directly detect the effective chlorine concentration and pH of the washing water in the various sensors 22 and 23.

・ 前記実施形態において、この野菜洗浄システムの運転時には、所定濃度(10〜100mg/L)の電解次亜水の濃度が低下した場合には、高有効塩素濃度(例えば、5000〜20000mg/L)の電解次亜水が補充されるように構成したが、この高有効塩素濃度の電解次亜水の濃度を必要に応じて変更すること。   -In the said embodiment, at the time of operation of this vegetable washing system, when the density | concentration of the electrolytic hyponitrous acid of a predetermined density | concentration (10-100 mg / L) falls, high effective chlorine concentration (for example, 5000-20000 mg / L) It is configured to be supplemented with the following hypochlorous acid, but the concentration of this hypochlorous acid with high effective chlorine concentration should be changed as necessary.

一実施形態の野菜洗浄システムを示す構成図。The lineblock diagram showing the vegetable washing system of one embodiment. 図1の野菜洗浄システムの回路構成を示すブロック図。The block diagram which shows the circuit structure of the vegetable washing system of FIG.

符号の説明Explanation of symbols

11…洗浄槽、12…野菜供給部、14…野菜受け部、15…電解次亜水生成装置、17…貯留タンク、18…調整槽、22…濃度検出手段としての濃度センサ、23…pH検出手段としてのpHセンサ、27…濃度調整手段としての濃度調整路、28…高濃度電解次亜水供給ポンプ、30…酸収容タンク、31…pH調整手段としてのpH調整路、32…酸添加ポンプ、36…制御装置、37…メモリ、39…記録手段としての記録部。   DESCRIPTION OF SYMBOLS 11 ... Washing tank, 12 ... Vegetable supply part, 14 ... Vegetable receiving part, 15 ... Electrolytic hypoxia production | generation apparatus, 17 ... Storage tank, 18 ... Adjustment tank, 22 ... Concentration sensor as a density | concentration detection means, 23 ... pH detection PH sensor as means, 27... Concentration adjustment path as concentration adjustment means, 28... High concentration electrolytic hyponitrous acid supply pump, 30... Acid storage tank, 31 ... pH adjustment path as pH adjustment means, 32. , 36... Control device, 37... Memory, 39.

Claims (3)

電解次亜水生成装置で生成される所定有効塩素濃度の電解次亜水を洗浄水として洗浄槽に連続的に供給しながら、その洗浄槽内で野菜を殺菌洗浄するようにした野菜洗浄システムにおいて、
前記洗浄槽内の洗浄水の有効塩素濃度を検出する濃度検出手段と、
その濃度検出手段の検出値が所定値よりも低下したとき、洗浄槽内に高濃度電解次亜水を供給して洗浄水の有効塩素濃度を調整する濃度調整手段と
を備えたことを特徴とする野菜洗浄システム。
In a vegetable cleaning system in which electrolytic hyponitrous acid having a predetermined effective chlorine concentration generated by an electrolytic hyponitrous generator is continuously supplied to the washing tank as washing water, and the vegetables are sterilized and washed in the washing tank. ,
A concentration detecting means for detecting an effective chlorine concentration of the cleaning water in the cleaning tank;
A concentration adjusting means for adjusting the effective chlorine concentration of the cleaning water by supplying a high concentration electrolytic hyposulfite into the cleaning tank when the detected value of the concentration detecting means is lower than a predetermined value. Vegetable cleaning system.
前記洗浄槽内の洗浄水のpHを検出するpH検出手段と、
そのpH検出手段の検出値が所定範囲を越えたとき、洗浄槽内に酸を供給して洗浄水のpHを調整するpH調整手段と
をさらに備えたことを特徴とする請求項1に記載の野菜洗浄システム。
PH detection means for detecting the pH of the cleaning water in the cleaning tank;
2. The apparatus according to claim 1, further comprising a pH adjusting unit that adjusts the pH of the cleaning water by supplying an acid into the cleaning tank when the detection value of the pH detecting unit exceeds a predetermined range. Vegetable cleaning system.
前記濃度検出手段またはpH検出手段の検出結果を経時的に記録する記録手段をさらに備えたことを特徴とする請求項1または請求項2に記載の野菜洗浄システム。 The vegetable washing system according to claim 1 or 2, further comprising recording means for recording the detection result of the concentration detection means or the pH detection means over time.
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