JP3612159B2 - Continuous sterilization equipment for bud vegetable seeds - Google Patents

Continuous sterilization equipment for bud vegetable seeds Download PDF

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Publication number
JP3612159B2
JP3612159B2 JP33619996A JP33619996A JP3612159B2 JP 3612159 B2 JP3612159 B2 JP 3612159B2 JP 33619996 A JP33619996 A JP 33619996A JP 33619996 A JP33619996 A JP 33619996A JP 3612159 B2 JP3612159 B2 JP 3612159B2
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Japan
Prior art keywords
hot water
water tank
seeds
vegetable seeds
flow path
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Expired - Fee Related
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JP33619996A
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Japanese (ja)
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JPH10136714A (en
Inventor
友三郎 鈴木
恒男 滝沢
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株式会社大生機械
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  • Pretreatment Of Seeds And Plants (AREA)
  • Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)

Description

【0001】
【発明の属する技術分野】
本発明は、黒緑豆もやし、緑豆もやし、大豆もやし、アルファルファもやし等の各種もやし、かいわれ大根、その他の芽もの野菜種子を連続して滅菌する為の滅菌装置に関する。
【0002】
【従来の技術】
各種もやし等の種子を発芽させて少し育成したのち食用とする芽もの野菜では育成を如何に促進するかが大切である。従って、芽もの野菜は発芽と生育に適した温度と湿度のもとで栽培されるが、そのような育成環境は各種微生物にとっても繁殖に適した環境となる。
【0003】
通常、芽もの野菜の種子の外皮の内外面には土壌に多く存在する微生物(細菌、菌類、酵母等)が付着しており、そのため種子から芽もの野菜を栽培する間に微生物が繁殖して芽もの野菜の正常な育成が阻害され、腐敗に至ることが多く発生している。
【0004】
そのため、本出願人は先に、芽もの野菜種子の外皮の内面及び外面に付着している微生物を除くため、種子の生命力を損なうことのないような条件にコントロールされた高温水に、コントロールされた時間だけ個々の種子全てを均等に接触させて滅菌をおこなう新しい方法(特願平5−91790号)や、そのための滅菌装置(特願平8−132499号)を提供した。
【0005】
【発明が解決しようとする課題】
しかしながら、これまでに提案した装置は芽もの野菜種子を間欠的に滅菌処理するものであった。そこで本発明は、連続的にそのようなコントロールされた高温水にコントロールされた時間だけ芽もの野菜種子を接触させて滅菌するのに好適な芽もの野菜種子の連続滅菌装置を提供することを課題としている。
【0006】
【課題を解決するための手段】
本発明は芽もの野菜種子に対して上記した連続滅菌処理を行うための装置として、予熱用温水槽、該予熱用温水槽を出た芽もの野菜種子を滅菌用熱水と共に流す熱水流路、該熱水流路を出た芽もの野菜種子を冷却する冷却用水槽を有する構成をもつ芽もの野菜種子の連続滅菌装置を提供する。
【0007】
本発明による芽もの野菜種子の連続滅菌装置によれば、予熱用温水槽で予熱された種子を所定温度の滅菌用熱水と共に熱水流路を所定時間をかけて流すことによりその種子は流動中に所定温度の熱水と混合、接触されて正確にその所定温度に保たれて滅菌される。
【0008】
本発明による芽もの野菜種子の連続滅菌装置における滅菌操作は、種子を滅菌用熱水と共に熱水流路を流すだけなので、その滅菌操作では種子を連続流れの形で扱えて連続滅菌処理が可能である。しかも滅菌処理を行う装置には可動部分がないので寿命が長く故障の少ない装置となしうる。
【0009】
このようにして所定時間だけ正確に所定の高温に保持され、種子は生命体に影響を与えることなく滅菌される。所定の滅菌処理が済ました後、種子を高温水から取り出して冷却用水槽内の冷却水に浸し滅菌済み種子を速やかに冷却する。
冷却が済んだら、滅菌処理済みの種子を冷却用水槽から取り出す。
【0010】
【発明の実施の形態】
以下、本発明による滅菌装置を添付図面に示した実施形態によって詳細に説明する。図1において、1は洗浄・予熱用温水槽で、例えば30〜45C°に維持された温水が入っている。この洗浄・予熱用温水槽1は槽本体、加熱ヒータ、温度制御装置、撹拌装置、及び給水栓などから構成されている。
【0011】
2はエゼクターで、洗浄・予熱用温水槽1から洗浄して予熱された種子をスクリーンなどの固液分離装置3へ導く。固液分離装置3では予熱された種子が予熱用液体から分離され、予熱された種子はトラフなどの流路5へ移送される。
【0012】
トラフなどの流路5には熱水タンク4から70〜90°Cの熱水が流され予熱された種子はその熱水と共にトラフなどの流路5を流され、その間、種子は熱水により滅菌される。流路5への熱水の供給量は一例として10リットル/sec、種子の量は一例として500g/secである。
洗浄・予熱用温水槽1と熱水タンク4には蒸気ボイラからイ、ロに示すように加熱用蒸気や熱水が供給される。
【0013】
このようにして所定の滅菌温度の熱水と共に所定長さの流路5を流さることにより、所定時間、例えば5〜20秒に亙って所定の高温、例えば70〜90°Cにさらされることによって滅菌された種子は、固液分離装置6に導かれて熱水から分離される。分離された例えば85°Cの熱水は熱水タンク4に戻される。
【0014】
流路5を流す熱水の流速は1〜1.5m/sec程度とするのが好ましい。従って、熱水流路5の長さは数mから数十mとなる。その長さの流路を確保するために、図示するように九十九折り状の流路としたり、円筒体の周りにらせん状に形成したものとするのが好ましい。
【0015】
固液分離装置6で熱水から分離された滅菌済みの種子はエゼクター7に導かれて、冷却水槽8からの例えば15〜30°Cの冷水と混合されつつ固液分離装置9に送られる。固液分離装置9で冷水から分離された滅菌済み種子はコンテナー10により搬送される。
【0016】
このようにして熱水と共に流路5を流すことによって、種子は所定時間だけ正確に所定の高温に保持され、生命体に影響を与えることなく連続処理操作の形で滅菌処理される。
【0017】
なお、図1の装置において種子と熱水の接触時間を変更する必要が生じたときは、流路5に対する種子の供給位置を変えればよい。
また、流路5の途中で温度降下があるときは、流路5の途中にフィルターをセットして流路5中の熱水の40〜50%を※印で示すように系外に排水し同時にコントロールされた熱水(例えば85℃)を熱水タンク4から▲1▼〜▲3▼のように相当量補給するとよい。
【0018】
以上、本発明を実施の一形態に基づいて説明したが、本発明の滅菌装置はこの実施形態に限ることなく、種々の変更を加えてよいことは言うまでもない。
例えば、図1の装置では予熱水槽1及び冷却水槽8から種子を移送するのにエゼクター2及び7を用いてにるが、種子の移送にはエゼクターに替えてバケットコンベアやスクリュウコンベアなど適宜の移送手段を用いてよい。
【0019】
また、図1の装置ではエゼクター7を用いて滅菌処理後の種子を冷却しつつ冷却水槽8に搬送しているが、これは滅菌処理後の種子を単に冷却水槽8の冷水中に浸漬する構成であつてもよい。
更にまた、図1の装置では温水を用いたエゼクター2で種子を予熱しながら固液分離装置3へ移送しているが、これは単に種子を予熱用温水槽中に浸漬してこれをバケットコンベア等で固液分離装置3へ移送する構成でもよい。
【0020】
また、図示した装置ではトラフによって熱水流路を形成したものを示したが、これは要は芽もの野菜種子を滅菌用熱水と共に流す流路を形づくるものであれば適宜の形に成型したパイプその他のもので流路を形成してよい。
【0021】
【発明の効果】
以上のように、本発明の装置によれば、連続して芽もの野菜種子に対してその生命力を損なうことなく滅菌するのに必要な所定の高温に予め設定された時間だけ正確に保持することができる。
しかも、本装置によれば、滅菌すべき芽もの野菜種子を熱水と共に流すだけの構成なので、装置の構成は簡単であり、可動部分を必要としないので寿命の長い装置が提供される。
【図面の簡単な説明】
【図1】本発明の一実施形態による滅菌装置の平面図。
【符号の説明】
1 洗浄・予熱用温水槽
2 エゼクター
3 固液分離装置
4 熱水タンク
5 流路
6 固液分離装置
7 エゼクター
8 冷却水槽
9 固液分離装置
10 コンテナー
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a sterilization apparatus for continuously sterilizing various kinds of bean sprouts such as black mung bean sprouts, mung bean sprouts, soybean sprouts, alfalfa sprouts, and so on.
[0002]
[Prior art]
It is important how to promote the growth of sprouts that are edible after some seeds such as sprouts are germinated and grown. Therefore, sprout vegetables are cultivated at a temperature and humidity suitable for germination and growth, but such a growth environment is also suitable for propagation for various microorganisms.
[0003]
Usually, microorganisms (bacteria, fungi, yeast, etc.) that are abundant in the soil are attached to the inner and outer surfaces of the seed husk of seeds, so that the microorganisms propagate during the cultivation of the bud vegetables from the seeds. The normal growth of sprout vegetables is hindered, often resulting in spoilage.
[0004]
Therefore, in order to remove microorganisms adhering to the inner surface and outer surface of the bud vegetable seed, the present applicant is first controlled by high-temperature water controlled under conditions that do not impair the vitality of the seed. A new method (Japanese Patent Application No. 5-91790) and a sterilization apparatus (Japanese Patent Application No. 8-132499) for sterilization by bringing all individual seeds into contact with each other evenly for a certain period of time were provided.
[0005]
[Problems to be solved by the invention]
However, the devices proposed so far have intermittently sterilized bud vegetable seeds. Therefore, the present invention is to provide a continuous sterilization apparatus for shoot vegetable seeds suitable for sterilization by contacting sterilized vegetable seeds continuously in such controlled high-temperature water for a controlled time. It is said.
[0006]
[Means for Solving the Problems]
The present invention is an apparatus for performing the above-described continuous sterilization treatment on bud vegetable seeds, a hot water tank for preheating, a hot water flow channel for flowing bud vegetable seeds from the preheating hot water tank together with sterilized hot water, There is provided a continuous sterilization apparatus for bud vegetable seeds having a configuration having a cooling water tank for cooling the bud vegetable seeds that have exited the hot water flow path.
[0007]
According to the continuous sterilization apparatus for sprout vegetable seeds according to the present invention, the seeds are flowing by flowing the preheated seeds in the hot water tank for preheating together with the hot water for sterilization at a predetermined temperature through the hot water channel for a predetermined time. It is mixed with hot water of a predetermined temperature and contacted to be kept at the predetermined temperature and sterilized.
[0008]
Since the sterilization operation in the continuous sterilization apparatus for budding vegetable seeds according to the present invention only flows the hot water flow path together with the hot water for sterilization, the sterilization operation allows the seeds to be handled in a continuous flow and can be continuously sterilized. is there. Moreover, since the sterilization apparatus has no movable parts, it can be a long-life apparatus with few failures.
[0009]
In this way, the temperature is accurately maintained at a predetermined high temperature for a predetermined time, and the seed is sterilized without affecting the living organism. After the predetermined sterilization treatment is completed, the seeds are taken out from the high-temperature water and immersed in the cooling water in the cooling water tank to quickly cool the sterilized seeds.
After cooling, the sterilized seeds are removed from the cooling water tank.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, a sterilization apparatus according to the present invention will be described in detail with reference to embodiments shown in the accompanying drawings. In FIG. 1, reference numeral 1 denotes a washing / preheating hot water tank which contains hot water maintained at, for example, 30 to 45 ° C. This washing / preheating hot water tank 1 is composed of a tank body, a heater, a temperature control device, a stirring device, a water tap, and the like.
[0011]
Reference numeral 2 denotes an ejector which guides the seeds washed and preheated from the washing / preheating hot water tank 1 to a solid-liquid separator 3 such as a screen. In the solid-liquid separator 3, the preheated seed is separated from the preheating liquid, and the preheated seed is transferred to a flow path 5 such as a trough.
[0012]
The hot water of 70 to 90 ° C. is flowed from the hot water tank 4 to the channel 5 such as the trough, and the preheated seed flows through the channel 5 such as the trough together with the hot water. Sterilized. As an example, the amount of hot water supplied to the flow path 5 is 10 liters / sec, and the amount of seeds is 500 g / sec.
Heating steam and hot water are supplied to the washing / preheating hot water tank 1 and the hot water tank 4 from a steam boiler as shown in FIGS.
[0013]
Thus, by flowing the flow path 5 having a predetermined length together with hot water having a predetermined sterilization temperature, the liquid is exposed to a predetermined high temperature, for example, 70 to 90 ° C., for a predetermined time, for example, 5 to 20 seconds. The sterilized seed is guided to the solid-liquid separator 6 and separated from the hot water. The separated hot water of, for example, 85 ° C. is returned to the hot water tank 4.
[0014]
The flow rate of hot water flowing through the flow path 5 is preferably about 1 to 1.5 m / sec. Accordingly, the length of the hot water flow path 5 is several meters to several tens of meters. In order to secure a channel of that length, it is preferable that the channel is a ninety-nine fold channel as shown in the figure, or is formed spirally around the cylindrical body.
[0015]
The sterilized seed separated from the hot water by the solid-liquid separator 6 is guided to the ejector 7 and sent to the solid-liquid separator 9 while being mixed with, for example, 15 to 30 ° C. cold water from the cooling water tank 8. The sterilized seed separated from the cold water by the solid-liquid separator 9 is conveyed by the container 10.
[0016]
By flowing the flow path 5 together with hot water in this way, the seed is accurately maintained at a predetermined high temperature for a predetermined time, and sterilized in a continuous processing operation without affecting the living organism.
[0017]
In addition, what is necessary is just to change the seed supply position with respect to the flow path 5, when it becomes necessary to change the contact time of a seed and hot water in the apparatus of FIG.
If there is a temperature drop in the middle of the flow path 5, set a filter in the middle of the flow path 5 and drain 40 to 50% of hot water in the flow path 5 outside the system as indicated by *. At the same time, a controlled amount of hot water (for example, 85 ° C.) may be replenished from the hot water tank 4 as shown in (1) to (3).
[0018]
As mentioned above, although this invention was demonstrated based on one Embodiment, it cannot be overemphasized that a sterilization apparatus of this invention may add a various change without restricting to this embodiment.
For example, in the apparatus of FIG. 1, the ejectors 2 and 7 are used to transfer seeds from the preheating water tank 1 and the cooling water tank 8. Means may be used.
[0019]
Further, in the apparatus of FIG. 1, the sterilized seed is cooled and conveyed to the cooling water tank 8 using the ejector 7. This is a configuration in which the sterilized seed is simply immersed in the cold water of the cooling water tank 8. It may be.
Furthermore, in the apparatus shown in FIG. 1, the seed 2 is transferred to the solid-liquid separation device 3 while preheating it with the ejector 2 using hot water. The structure transferred to the solid-liquid separation device 3 may be used.
[0020]
In addition, in the illustrated apparatus, a hot water flow path is formed by a trough, but this is basically a pipe formed into an appropriate shape as long as it forms a flow path for flowing bud vegetable seeds together with hot water for sterilization. You may form a flow path with another thing.
[0021]
【The invention's effect】
As described above, according to the apparatus of the present invention, it is possible to accurately maintain a predetermined high temperature necessary for sterilizing continuously bud vegetable seeds without losing their vitality. Can do.
In addition, according to the present apparatus, the structure of the apparatus is simple because only the seeds of buds to be sterilized are allowed to flow together with hot water, and a movable part is not required.
[Brief description of the drawings]
FIG. 1 is a plan view of a sterilization apparatus according to an embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Hot water tank 2 for washing and preheating Ejector 3 Solid-liquid separator 4 Hot water tank 5 Flow path 6 Solid-liquid separator 7 Ejector 8 Cooling water tank 9 Solid-liquid separator 10 Container

Claims (1)

予熱用温水槽、該予熱用温水槽を出た芽もの野菜種子を滅菌用熱水と共に流す熱水流路、該熱水流路を出た芽もの野菜種子を冷却する冷却用水槽を有することを特徴とする芽もの野菜種子の連続滅菌装置。A hot water tank for preheating, a hot water flow path for flowing bud vegetable seeds exiting the hot water tank for preheating together with hot water for sterilization, and a cooling water tank for cooling the bud vegetable seeds exiting the hot water flow path Continuous sterilization equipment for vegetable seeds.
JP33619996A 1996-11-13 1996-11-13 Continuous sterilization equipment for bud vegetable seeds Expired - Fee Related JP3612159B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP33619996A JP3612159B2 (en) 1996-11-13 1996-11-13 Continuous sterilization equipment for bud vegetable seeds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP33619996A JP3612159B2 (en) 1996-11-13 1996-11-13 Continuous sterilization equipment for bud vegetable seeds

Publications (2)

Publication Number Publication Date
JPH10136714A JPH10136714A (en) 1998-05-26
JP3612159B2 true JP3612159B2 (en) 2005-01-19

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Country Status (1)

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5649912B2 (en) * 2010-10-26 2015-01-07 株式会社山本製作所 Seed disinfection equipment
US10356984B2 (en) * 2011-10-18 2019-07-23 Institute For Environmental Health, Inc. Method and apparatus for growing sprouts
JP5849114B2 (en) * 2014-02-19 2016-01-27 直志 門馬 Sprout transfer system using water flow

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