JP2007259810A - Injection device of sodium hypochlorite - Google Patents

Injection device of sodium hypochlorite Download PDF

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JP2007259810A
JP2007259810A JP2006091912A JP2006091912A JP2007259810A JP 2007259810 A JP2007259810 A JP 2007259810A JP 2006091912 A JP2006091912 A JP 2006091912A JP 2006091912 A JP2006091912 A JP 2006091912A JP 2007259810 A JP2007259810 A JP 2007259810A
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sodium chlorite
liquid
preparation
tank
sodium hypochlorite
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JP5114014B2 (en
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Kazuhiro Kubota
一浩 久保田
Norihiko Kamei
紀彦 亀井
Makoto Sakaguchi
誠 坂口
Hidehiko Oka
秀彦 岡
Masahiro Otsuka
雅広 大塚
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TAMANO ICHI
Japan Carlit Co Ltd
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TAMANO ICHI
Japan Carlit Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an injection device of sodium hypochlorite so as to exhibit bactericidal effect especially against viruses, etc., even by a low concentration and capable of aiming at the effective regeneration of using water in fishery used water. <P>SOLUTION: This injection device of sodium hypochlorite equipped with a stock liquid injection pump 4 for feeding the stock liquid to a sodium hypochlorite-added liquid preparation tank 2 from a sodium hypochlorite stock liquid tank 1, and a prepared liquid injection pump 5 for injecting the sodium hypochlorite-prepared liquid into using water is provide by setting so that light from a light source 3 is irradiated to the prepared liquid of sodium hypochlorite in the sodium hypochlorite-added liquid preparation tank 2 and also installing a sodium hypochlorite prepared liquid-bypassing passage at the sodium hypochlorite-added liquid preparation tank 2 so as to circulate the sodium hypochlorite-prepared liquid while irradiating the light. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

この出願の発明は、水産系使用水の殺菌処理に使用される亜塩素酸ナトリウムの注入装置に関するものである。   The invention of this application relates to an apparatus for injecting sodium chlorite used for sterilization of fishery water.

魚病、中でもコイヘルペスに代表されるようなウイルス性の魚病は、養殖漁場等の水産系施設における飼育魚類の死を招くことから、業界において深刻な問題となっており、その対策法の確立が急がれている。   Fish diseases, especially viral fish diseases such as koi herpes, are a serious problem in the industry because they cause the death of domestic fish in aquaculture facilities such as aquaculture and fishing grounds. Establishment is urgent.

従来から、この対策として、例えば生体防御機能を利用した予防ワクチンの開発や同ワクチンを使用した治療方法の研究が行われている。また、ほとんどのウイルスが系外からの持ち込みであることから、例えば次亜塩素酸ナトリウム（ＮａＣｌＯ）やオゾン（Ｏ3）による使用水の消毒やウイルスフリーな魚類生育環境の設定コントロール（防疫）なども考えられている（例えば特許文献１，２参照）。 Conventionally, as countermeasures, for example, development of a preventive vaccine using a biological defense function and research on a treatment method using the vaccine have been performed. In addition, since most viruses are brought from outside the system, for example, disinfection of water using sodium hypochlorite (NaClO) or ozone (O 3 ), and control of the setting of a virus-free fish growth environment (prevention) (For example, refer to Patent Documents 1 and 2).

しかし、予防ワクチンはウイルスの種類毎に開発する必要があり、接種の方法などの問題から経済的な問題まで相まって、いまだ開発に時間を要しているの現状である。   However, it is necessary to develop preventive vaccines for each type of virus. Currently, it takes time to develop, combined with problems such as inoculation methods and economic problems.

一方、次亜塩素酸ナトリウム（ＮａＣｌＯ）は濃度調整範囲が狭く、魚類に対する安全な濃度設定が難しい。   On the other hand, sodium hypochlorite (NaClO) has a narrow concentration adjustment range, and it is difficult to set a safe concentration for fish.

また、次亜塩素酸ナトリウム（ＮａＣｌＯ）は、使用水中での性状の安定性が悪く、約１ケ月程度で半減してしまい、殺菌効果が低下する。また、アンモニア性窒素が存在すると、同アンモニア性窒素と反応して、クロラミンを生成する。そして、同アンモニア性窒素濃度の約８倍の次亜塩素酸ナトリウムを消費する。   In addition, sodium hypochlorite (NaClO) has poor stability in use water, and is halved in about one month, thus reducing the bactericidal effect. When ammoniacal nitrogen is present, it reacts with the ammoniacal nitrogen to produce chloramine. And sodium hypochlorite is consumed about 8 times the ammonia nitrogen concentration.

また、次亜塩素酸ナトリウム（ＮａＣｌＯ）による消毒は、水中の有機基質に対して塩素が付加反応することにより、トリハロメタン等の発がん性物質を生成する恐れもある。   In addition, disinfection with sodium hypochlorite (NaClO) may generate carcinogenic substances such as trihalomethane due to addition reaction of chlorine with an organic substrate in water.

さらに、魚の生育環境の設定コントロールによる防疫方法は、水族館などの観賞魚の世界でこそ１５年程度の実績があるものの、経済効果が求められる養殖漁業の世界では、いまだ実績は不明である。   Furthermore, although the epidemic prevention method by setting and controlling the growth environment of fish has a track record of about 15 years in the world of ornamental fish such as aquariums, the track record is still unknown in the world of aquaculture and fishery where economic effects are required.

このような現状に鑑み、濃度の調整範囲が広く、長期に亘って有効な殺菌効果を有する亜塩素酸ナトリウムを消毒剤として添加することによって、養殖漁場等の水産系施設における水産系使用水中のウイルス等の効果的な防疫を可能にすることが検討されている。   In view of the current situation, by adding sodium chlorite, which has a wide concentration adjustment range and has an effective bactericidal effect over a long period of time, as a disinfectant, It has been studied to enable effective prevention of viruses and the like.

亜塩素酸ナトリウム（ＮａＣｌＯ2）は、濃度調整範囲が広く、安全性が高い消毒薬である。 Sodium chlorite (NaClO 2 ) is a highly safe disinfectant with a wide concentration adjustment range.

したがって、水産系使用水中に、消毒剤として亜塩素酸ナトリウム（ＮａＣｌＯ2）を添加すると、ウィルス等に対して有効な殺菌作用が生じ、当該水産系使用水の適切な再生を図ることができる。 Therefore, when sodium chlorite (NaClO 2 ) is added as a disinfectant to the aquatic system use water, an effective bactericidal action against viruses and the like is produced, and the aquatic system use water can be appropriately regenerated.

しかも、添加された亜塩素酸ナトリウムは、使用水中で安定した性状を有し、短期間では分解せず、長期に亘って有効な殺菌効果を発揮させることができる。   In addition, the added sodium chlorite has stable properties in the water used, does not decompose in a short period of time, and can exhibit an effective bactericidal effect over a long period of time.

また、次亜塩素酸ナトリウムなどと異なって有害なトリハロメタンを生成せず、使用水中のアンモニア性窒素とも反応しない。   Unlike sodium hypochlorite, it does not produce harmful trihalomethanes and does not react with ammoniacal nitrogen in the water used.

したがって、クロラミンを生成するようなこともない。   Therefore, chloramine is not generated.

特開２００３−５２２７５号公報（明細書１−６頁、図１−４）Japanese Patent Laying-Open No. 2003-52275 (Specifications page 1-6, FIGS. 1-4) 特開平８−２３８２３号公報（明細書１−３頁、図１−２）JP-A-8-23823 (Specification page 1-3, FIG. 1-2)

しかし、そのように亜塩素酸ナトリウムを殺菌剤として使用するようにした場合、その添加方法をどのようにするか、どのような添加装置を構成するかが問題となるし、また可能な限り少ない殺菌剤の量で可能な限り高い殺菌効果が求められる。   However, when sodium chlorite is used as a disinfectant in such a way, how to add it and what kind of addition device is configured becomes a problem, and as little as possible The highest bactericidal effect is required by the amount of bactericidal agent.

本願発明は、このような課題に対応してなされたもので、亜塩素酸ナトリウムの添加液を調合タンクで使用水と調合するようにする一方、所定の光源からの光が当該調合タンク中の調合液に照射されるようにし、上記調合タンクに調合液バイパス通路を設けて同光を照射した調合液を循環させることによって、同調合液中の亜塩素酸ナトリウムの可及的な活性化を図り、低濃度でも十分に有効な殺菌効果を発揮し得るようにした亜塩素酸ナトリウムの注入装置を提供することを目的とするものである。   The present invention has been made in response to such a problem, and the additive liquid of sodium chlorite is mixed with the use water in the preparation tank, while the light from the predetermined light source is in the preparation tank. By irradiating the preparation liquid and providing the preparation liquid bypass passage in the preparation tank and circulating the preparation liquid irradiated with the same light, the sodium chlorite in the preparation liquid is activated as much as possible. Accordingly, an object of the present invention is to provide a sodium chlorite injection device capable of exhibiting a sufficiently effective sterilizing effect even at a low concentration.

本願発明は、上記従来の課題を確実に解決し、その目的を有効に達成するために、次のような課題解決手段を備えて構成されている。   The present invention is configured to include the following problem solving means in order to reliably solve the above-described conventional problems and effectively achieve the object.

（１） 請求項１の発明
この発明の課題解決手段は、亜塩素酸ナトリウム原液タンクと、亜塩素酸ナトリウム添加液調合タンクと、所定の光源と、上記亜塩素酸ナトリウム原液タンクから上記亜塩素酸ナトリウム添加液調合タンクへ原液を供給する原液注入ポンプと、上記亜塩素酸ナトリウム添加液調合タンクから使用水中に亜塩素酸ナトリウム調合液を注入する調合液注入ポンプとを具備してなる亜塩素酸ナトリウムの注入装置において、上記光源からの光が上記亜塩素酸ナトリウム添加液調合タンク中の亜塩素酸ナトリウム調合液に照射されるようにするとともに、上記亜塩素酸ナトリウム添加液調合タンクに亜塩素酸ナトリウム調合液バイパス通路を設けて、同光を照射した亜塩素酸ナトリウム調合液を循環させるようにしたことを特徴としている。 (1) Invention of Claim 1 The problem-solving means of this invention is the sodium chlorite stock solution tank, the sodium chlorite additive solution preparation tank, the predetermined light source, and the sodium chlorite stock solution tank to the chlorite. A chlorite comprising a stock solution injection pump for supplying a stock solution to a sodium acid addition solution preparation tank, and a preparation solution injection pump for injecting a sodium chlorite preparation solution into the working water from the sodium chlorite addition solution preparation tank In the sodium acid injection device, the light from the light source is applied to the sodium chlorite preparation liquid in the sodium chlorite addition liquid preparation tank, and the sodium chlorite addition liquid preparation tank is sublimated. A sodium chlorate preparation solution bypass passage was provided to circulate the sodium chlorite preparation solution irradiated with the same light. It is set to.

亜塩素酸ナトリウム（ＮａＣｌＯ2）は、濃度調整範囲が広く、安全性が高い消毒薬である。 Sodium chlorite (NaClO 2 ) is a highly safe disinfectant with a wide concentration adjustment range.

したがって、水産系使用水中に、消毒剤として亜塩素酸ナトリウム（ＮａＣｌＯ2）を添加すると、ウィルス等に対して有効な殺菌作用が生じ、当該水産系使用水の適切な再生を図ることができる。 Therefore, when sodium chlorite (NaClO 2 ) is added as a disinfectant to the aquatic system use water, an effective bactericidal action against viruses and the like is produced, and the aquatic system use water can be appropriately regenerated.

しかも、添加された亜塩素酸ナトリウムは、使用水中で安定した性状を有し、短期間では分解せず、長期に亘って有効な殺菌効果を発揮させることができる。   In addition, the added sodium chlorite has stable properties in the water used, does not decompose in a short period of time, and can exhibit an effective bactericidal effect over a long period of time.

また、次亜塩素酸ナトリウムなどと異なって有害なトリハロメタンを生成せず、使用水中のアンモニア性窒素とも反応しない。したがって、クロラミン生成等の問題も生じない。また、亜塩素酸ナトリウム過剰注入の必要もない。   Unlike sodium hypochlorite, it does not produce harmful trihalomethanes and does not react with ammoniacal nitrogen in the water used. Therefore, problems such as chloramine production do not occur. There is no need for excessive injection of sodium chlorite.

そこで、上記のように、亜塩素酸ナトリウム原液タンクと、亜塩素酸ナトリウム添加液調合タンクと、所定の光源と、上記亜塩素酸ナトリウム原液タンクから上記亜塩素酸ナトリウム添加液調合タンクへ原液を供給する原液注入ポンプと、上記亜塩素酸ナトリウム添加液調合タンクから使用水中に亜塩素酸ナトリウム調合液を注入する調合液注入ポンプとを具備してなる亜塩素酸ナトリウムの注入装置において、上記光源からの光が上記亜塩素酸ナトリウム添加液調合タンク中の亜塩素酸ナトリウム調合液に照射されるようにするとともに、上記亜塩素酸ナトリウム添加液調合タンクに亜塩素酸ナトリウム調合液バイパス通路を設けて、同光を照射した亜塩素酸ナトリウム調合液を循環させるようにする。   Therefore, as described above, the sodium chlorite stock solution tank, the sodium chlorite addition solution preparation tank, the predetermined light source, and the stock solution from the sodium chlorite stock solution tank to the sodium chlorite addition solution preparation tank In the sodium chlorite injecting apparatus, comprising: an undiluted solution injecting pump to be supplied; and a mixed solution injecting pump for injecting a sodium chlorite prepared solution into use water from the sodium chlorite additive solution preparing tank, Light from the sodium chlorite additive liquid preparation tank is irradiated to the sodium chlorite additive liquid preparation tank, and the sodium chlorite additive liquid preparation tank is provided with a sodium chlorite preparation liquid bypass passage. The sodium chlorite preparation liquid irradiated with the same light is circulated.

このように、所定量の水産系使用水に亜塩素酸ナトリウムを添加した調合液に光を照射すると、当該光にによって調合液中の亜塩素酸ナトリウム（ＮａＣｌＯ2）が活性化し、低濃度でもウィルス等に対して特に有効な殺菌作用を発揮するようになり、当該水産系使用水の一層効果的な再生を図ることができる。 In this way, when light is applied to a preparation liquid in which sodium chlorite is added to a predetermined amount of aquatic system use water, sodium chlorite (NaClO 2 ) in the preparation liquid is activated by the light, and even at low concentrations. A particularly effective bactericidal action is exhibited against viruses and the like, and more effective regeneration of the fishery water can be achieved.

この場合、もちろん魚類飼育水槽中に直接亜塩素酸ナトリウム調合液を注入し、その後、光を照射して活性化を図ることも考えられる。   In this case, of course, it is also possible to inject the sodium chlorite preparation directly into the fish breeding aquarium and then activate it by irradiating light.

しかし、光の照射による亜塩素酸ナトリウムの活性化効率を考えると、水量の多い水産系使用水中に添加してからよりも、高濃度の所定量の水溶液である調合液状態で光を照射するのが好ましく、そのようにして効率良く活性化させてから、水産系使用水中に添加する方が殺菌効果も高い。   However, considering the activation efficiency of sodium chlorite due to light irradiation, light is irradiated in the state of a preparation solution that is a predetermined amount of aqueous solution rather than after being added to aquatic use water with a large amount of water. It is preferable that after activating efficiently as described above, the sterilizing effect is higher when added to the fishery water.

しかも、この発明の構成では、上記調合タンクに亜塩素酸ナトリウム調合液バイパス通路を設けて同光を照射した亜塩素酸ナトリウム調合液を循環させるようにしているので、光による亜塩素酸ナトリウムの活性化効率が非常に高く、より効果的である。   Moreover, in the configuration of the present invention, the sodium chlorite preparation liquid bypass passage is provided in the preparation tank so that the sodium chlorite preparation liquid irradiated with the same light is circulated. The activation efficiency is very high and more effective.

（２） 請求項２の発明
この発明の課題解決手段は、上記請求項１の発明の課題解決手段の構成において、亜塩素酸ナトリウム添加液調合タンクの上面部を透明板に構成したことを特徴としている。 (2) Invention of Claim 2 The problem-solving means of the present invention is characterized in that, in the structure of the problem-solving means of the invention of Claim 1, the upper surface portion of the sodium chlorite additive liquid preparation tank is configured as a transparent plate. It is said.

このような構成によると、亜塩素酸ナトリウム添加液調合タンク内にゴミや雨等を侵入させることなく、確実に所望の濃度の亜塩素酸ナトリウム調合液を形成することができる。   According to such a configuration, it is possible to reliably form a sodium chlorite preparation liquid having a desired concentration without allowing dust or rain to enter the sodium chlorite addition liquid preparation tank.

（３） 請求項３の発明
この発明の課題解決手段は、上記請求項１又は２の発明の課題解決手段の構成において、所定の光源は、その照射光量を所望の量に調節することができるようになっていることを特徴としている。 (3) Invention of Claim 3 The problem-solving means of the present invention is the configuration of the problem-solving means of the invention of Claim 1 or 2, wherein the predetermined light source can adjust the amount of irradiation light to a desired amount. It is characterized by that.

このように、所定の光源の照射光量を所望の量に調節することができるようになっていると、例えば照射する光と照射時間を適切に制御することにより、その殺菌効果を魚の種類等に応じて適切にコントロールすることができるようになる。   In this way, if the irradiation light quantity of a predetermined light source can be adjusted to a desired amount, for example, by appropriately controlling the irradiation light and the irradiation time, the bactericidal effect can be changed to the type of fish. It will be possible to control appropriately.

以上の結果、本願発明の亜塩素酸ナトリウムの注入装置によると、養殖漁場等の水産系施設において、ウィルス等の病原菌に対して有効な防疫（殺菌、減菌、不活化）を行ない、水産系使用水の効果的な再生を図ることができるようになる。   As a result of the above, according to the sodium chlorite injection device of the present invention, in aquaculture facilities such as aquaculture fisheries, effective prevention (sterilization, sterilization, inactivation) against pathogenic bacteria such as viruses, Effective water regeneration can be achieved.

以下、添付の図面（図１）を参照して、本願発明の最良の実施の形態に係る例えば養殖漁場等の水産系施設の水産系使用水に対する亜塩素酸ナトリウム注入装置の構成について説明する。   Hereinafter, with reference to the attached drawing (FIG. 1), the configuration of an apparatus for injecting sodium chlorite with respect to aquatic use water of an aquatic facility such as an aquaculture facility according to the best embodiment of the present invention will be described.

先ず図１において、符号１は亜塩素酸ナトリウム（ＮａＣｌＯ2）の原液を貯留している亜塩素酸ナトリウム原液タンク、符号２は水産系使用水供給ライン１１を介して所定量供給された水産系使用水（原水）中に亜塩素酸ナトリウム原液を所定量添加して調合する亜塩素酸ナトリウム添加液調合タンク、符号３は例えばハロゲンランプ等よりなる所定の光源、符号４は上記亜塩素酸ナトリウム原液タンク１から原液供給通路６を介して上記亜塩素酸ナトリウム添加液調合タンク２へ原液（イ）を供給する原液注入ポンプ、符号５は上記亜塩素酸ナトリウム添加液調合タンク２から電磁開閉弁９を有する調合液供給通路８を介して図示しない魚類飼育水槽側の飼育水中に亜塩素酸ナトリウム調合液（ロ）を注入する調合液注入ポンプ、１０はマイコンユニットである。 First, in FIG. 1, reference numeral 1 is a sodium chlorite stock solution tank storing a stock solution of sodium chlorite (NaClO 2 ), and reference numeral 2 is a fishery system supplied by a predetermined amount via a fishery system use water supply line 11. Sodium chlorite additive liquid preparation tank prepared by adding a predetermined amount of sodium chlorite stock solution to the used water (raw water), reference numeral 3 is a predetermined light source such as a halogen lamp, and reference numeral 4 is the above sodium chlorite A stock solution injection pump for supplying the stock solution (i) from the stock solution tank 1 to the sodium chlorite additive solution preparation tank 2 through the stock solution supply passage 6 is denoted by reference numeral 5 as an electromagnetic on-off valve from the sodium chlorite additive solution preparation tank 2 A liquid injection pump 10 for injecting sodium chlorite preparation liquid (b) into the rearing water of the fish rearing tank (not shown) through the liquid supply passage 8 having 9 It is an icon unit.

上記亜塩素酸ナトリウム添加液調合タンク２の本体部２ａの上部面は透明板２ｂで構成されていて、上記光源３からの光が上記亜塩素酸ナトリウム添加液調合タンク２中の亜塩素酸ナトリウム調合液（ロ）に照射されるようになっているとともに、図示のような調合液バイパス通路７が設けられていて、同光が照射された状態で上記亜塩素酸ナトリウム添加液調合タンク２内の亜塩素酸ナトリウム調合液（ロ）が循環されるようになっている。   The upper surface of the main body 2a of the sodium chlorite additive liquid preparation tank 2 is constituted by a transparent plate 2b, and the light from the light source 3 is sodium chlorite in the sodium chlorite additive liquid preparation tank 2 The liquid mixture (b) is irradiated and a liquid mixture bypass passage 7 as shown in the figure is provided, and the sodium chlorite additive liquid preparation tank 2 is in the state of being irradiated with the same light. The sodium chlorite preparation liquid (b) is circulated.

この亜塩素酸ナトリウム注入装置は、水産系使用水を所定量貯留した魚類飼育水槽中の水産系使用水中に消毒剤又は殺菌剤として、所定の濃度の亜塩素酸ナトリウム（ＮａＣｌＯ2）調合液（ロ）を所定量注入して防疫（殺菌、減菌、不活化）処理するようになっている。 This sodium chlorite injecting device uses a sodium chlorite (NaClO 2 ) preparation solution having a predetermined concentration as a disinfectant or disinfectant in aquaculture use water in a fish breeding tank in which a predetermined amount of aquatic use water is stored. B) is injected into a predetermined amount to prevent quarantine (sterilization, sterilization, inactivation).

そして、同亜塩素酸ナトリウム注入装置による魚類飼育水槽中への亜塩素酸ナトリウム（ＮａＣｌＯ2）調合液（ロ）の注入は、上記亜塩素酸ナトリウム添加液調合タンク２内に上記バイパス通路７を介した循環状態で光を照射されながら貯留されている所定の濃度の亜塩素酸ナトリウム（ＮａＣｌＯ2）調合液（ロ）を、上記マイコンユニット１０による電磁開閉弁９の開閉によって必要な時に必要な量だけ添加することによって行われる。 Then, the sodium chlorite (NaClO 2 ) preparation liquid (b) is injected into the fish breeding tank by the sodium chlorite injection device, and the bypass passage 7 is provided in the sodium chlorite addition liquid preparation tank 2. The sodium chlorite (NaClO 2 ) preparation solution (b) having a predetermined concentration that is stored while being irradiated with light in a circulating state is necessary when opening and closing the electromagnetic on-off valve 9 by the microcomputer unit 10. This is done by adding only the amount.

一方、このようにして魚類飼育水層へ注入される亜塩素酸ナトリウム（ＮａＣｌＯ2）調合液（ロ）は、上記亜塩素酸ナトリウム原液タンク１に貯留されている亜塩素酸ナトリウム（ＮａＣｌＯ2）の原液を、原液注入ポンプ４を備えた原液供給通路６を介して、上記予じめ所定量の水産系使用水を貯留している亜塩素酸ナトリウム添加液調合タンク２内に必要な時に必要な量だけ導入して添加調合することによって形成される。 On the other hand, in this way sodium chlorite injected into fish rearing water layer (NaClO 2) preparations (b) is sodium chlorite, which is stored in the sodium chlorite stock tank 1 (NaClO 2) Is necessary when necessary in the sodium chlorite additive liquid preparation tank 2 storing a predetermined amount of water for use in aquaculture system via a stock solution supply passage 6 equipped with a stock solution injection pump 4. It is formed by introducing and adding a small amount.

この亜塩素酸ナトリウム添加液調合タンク２内への亜塩素酸ナトリウム（ＮａＣｌＯ2）原液の添加タイミングおよび添加量（濃度）も、上記マイコンユニット１０によって適切に制御される。 The addition timing and addition amount (concentration) of the sodium chlorite (NaClO 2 ) stock solution into the sodium chlorite additive solution preparation tank 2 are also appropriately controlled by the microcomputer unit 10.

亜塩素酸ナトリウム（ＮａＣｌＯ2）は、濃度調整範囲が広く、安全性が高い消毒薬である。 Sodium chlorite (NaClO 2 ) is a highly safe disinfectant with a wide concentration adjustment range.

したがって、魚類飼育水槽中の飼育水に、消毒剤又は殺菌剤として亜塩素酸ナトリウム（ＮａＣｌＯ2）を注入すると、ウィルス等に対して有効な殺菌作用が生じ、当該飼育水の再生を図ることができる。 Therefore, when sodium chlorite (NaClO 2 ) is injected into the breeding water in the fish breeding tank as a disinfectant or disinfectant, an effective bactericidal action against viruses and the like occurs, and the breeding water can be regenerated. it can.

しかも、注入された亜塩素酸ナトリウムは、飼育水中で安定した性状を有し、短期間では分解せず、長期に亘って有効な殺菌効果を発揮させることができる。   Moreover, the injected sodium chlorite has stable properties in the breeding water, does not decompose in a short period of time, and can exert an effective bactericidal effect over a long period of time.

また、次亜塩素酸ナトリウム（ＮａＣｌＯ）などと異なって付加反応による有害なトリハロメタンを生成せず、飼育水中のアンモニア性窒素とも反応しない。したがって、クロラミン生成等の問題も生じない。また、亜塩素酸ナトリウム過剰注入の必要もない。   Moreover, unlike sodium hypochlorite (NaClO) etc., it does not produce harmful trihalomethanes due to addition reactions, nor does it react with ammoniacal nitrogen in the breeding water. Therefore, problems such as chloramine production do not occur. There is no need for excessive injection of sodium chlorite.

そこで、上述のように、亜塩素酸ナトリウムの原液を貯留した原液タンク１と、同原液タンク１からの亜塩素酸ナトリウム原液（イ）を添加して調合する亜塩素酸ナトリウム添加液調合タンク２と、所定の光源３と、上記亜塩素酸ナトリウム原液タンク１から上記亜塩素酸ナトリウム添加液調合タンク２へ亜塩素酸ナトリウム原液（イ）を供給する原液注入ポンプ４と、上記亜塩素酸ナトリウム添加液調合タンク２から魚類飼育水槽側の飼育水中に亜塩素酸ナトリウム調合液（ロ）を注入する調合液注入ポンプ５とから、亜塩素酸ナトリウムの注入装置を構成する一方、その上記亜塩素酸ナトリウム添加液調合タンク２の上部を透明板２ｂに構成することにより、上記所定の光源３からの光が上記亜塩素酸ナトリウム添加液調合タンク２中の亜塩素酸ナトリウム調合液（ロ）に照射されるようにするとともに、上記亜塩素酸ナトリウム添加液調合タンク２に調合液バイパス通路７を設けて同光を照射した亜塩素酸ナトリウム調合液（ロ）を循環させるようにする。   Therefore, as described above, a stock solution tank 1 storing a stock solution of sodium chlorite and a sodium chlorite addition solution blending tank 2 for adding and blending the sodium chlorite stock solution (I) from the stock solution tank 1 And a predetermined light source 3, a stock solution injection pump 4 for supplying the sodium chlorite stock solution (i) from the sodium chlorite stock solution tank 1 to the sodium chlorite addition solution preparation tank 2, and the sodium chlorite The sodium chlorite injection device constitutes a sodium chlorite injection device from the additive solution preparation tank 2 and the preparation solution injection pump 5 for injecting the sodium chlorite preparation solution (b) into the breeding water on the fish breeding tank side. By constructing the upper part of the sodium acid addition liquid preparation tank 2 in the transparent plate 2b, the light from the predetermined light source 3 is transmitted in the sodium chlorite addition liquid preparation tank 2. The sodium chlorite preparation liquid (b) was irradiated with the same light by providing the sodium chlorite preparation liquid 2 with the preparation liquid bypass passage 7 while irradiating the sodium chlorate preparation liquid (b). To circulate.

このように、所定量の水産系使用水に所定量の亜塩素酸ナトリウム（ＮａＣｌＯ2）を添加した亜塩素酸ナトリウム調合液（ロ）に光を照射すると、当該光にによって同亜塩素酸ナトリウム調合液（ロ）中の亜塩素酸ナトリウム（ＮａＣｌＯ2）が活性化し、低濃度でもウィルス等に対して特に有効な殺菌作用を発揮するようになり、当該魚類飼育水の一層効果的な再生を図ることができる。 Thus, when light is applied to a sodium chlorite preparation solution (b) in which a predetermined amount of sodium chlorite (NaClO 2 ) is added to a predetermined amount of aquatic system use water, sodium chlorite is irradiated by the light. Sodium chlorite (NaClO 2 ) in the preparation liquid (b) is activated, and even at low concentrations, it exhibits a particularly effective bactericidal action against viruses, etc., and more effective regeneration of the fish breeding water Can be planned.

この場合、もちろん魚類飼育水槽中に直接亜塩素酸ナトリウム調合液を注入し、その後、光を照射して活性化を図ることも考えられる。   In this case, of course, it is also possible to inject the sodium chlorite preparation directly into the fish breeding aquarium and then activate it by irradiating light.

しかし、光の照射による亜塩素酸ナトリウムの活性化効率を考えると、水量の多い飼育水中に添加してからよりも、高濃度の所定量の調合液（水溶液）状態で光を照射するのが好ましく、そのようにして効率良く活性化させてから、飼育水中に添加する方が殺菌効果も高い。   However, considering the activation efficiency of sodium chlorite by light irradiation, it is more likely to irradiate light in the state of a high-concentration prescribed liquid (aqueous solution) than after adding it to the breeding water with a large amount of water Preferably, after activating efficiently as described above, adding to breeding water has a higher bactericidal effect.

しかも、上記の構成では、上記亜塩素酸ナトリウム添加液調合タンク２に調合液バイパス通路７を設けて同亜塩素酸ナトリウム調合液（ロ）を調合液バイパス通路７を介して循環させながら光を照射するようにしているので、光による亜塩素酸ナトリウムの活性化効率が非常に高く、より効果的である。   Moreover, in the above configuration, the sodium chlorite additive solution preparation tank 2 is provided with the preparation solution bypass passage 7 and light is circulated while circulating the sodium chlorite preparation solution (b) through the preparation solution bypass passage 7. Since irradiation is performed, the activation efficiency of sodium chlorite by light is very high and more effective.

また、その場合において、上記所定の光源３には、例えばハロゲンランプや紫外線ランプなどの人工光源を採用し、マイコンユニット１０により、その照射光量を所望の量に調節することができるようになっている。   In that case, an artificial light source such as a halogen lamp or an ultraviolet lamp is employed as the predetermined light source 3, and the microcomputer unit 10 can adjust the irradiation light amount to a desired amount. Yes.

このように、所定の光源３の照射光量を所望の量に調節することができるようになっていると、例えば照射する光と照射時間を適切に制御することにより、その殺菌効果を魚の種類等に応じて適切にコントロールすることができるようになる。   As described above, when the irradiation light amount of the predetermined light source 3 can be adjusted to a desired amount, for example, by appropriately controlling the irradiation light and the irradiation time, the bactericidal effect can be reduced to the type of fish. It becomes possible to control appropriately according to.

以上の結果、本実施の形態の亜塩素酸ナトリウムの注入装置によると、養殖漁場等の水産系施設において、ウィルス等の病原菌に対して有効な防疫（殺菌、減菌、不活化）を行ない、水産系使用水の効果的な再生を図ることができるようになる。   As a result of the above, according to the sodium chlorite injection device of the present embodiment, in aquaculture facilities such as aquaculture and fishing grounds, effective antibacterial (sterilization, sterilization, inactivation) against pathogenic bacteria such as viruses, Effective regeneration of fishery water can be achieved.

（変形例１）
以上の実施の形態では、亜塩素酸ナトリウム（ＮａＣｌＯ2）を活性化させる光源３として、例えばハロゲンランプ（または紫外線ランプ等）４よりなる人工的な光源を使用した。 (Modification 1)
In the above embodiment, as the light source 3 for activating sodium chlorite (NaClO 2 ), an artificial light source including a halogen lamp (or an ultraviolet lamp or the like) 4 is used.

しかし、同光源３はそのような人工光源に限られるわけではなく、上記紫外線ランプよりも強い紫外光成分を有する太陽光を用いて亜塩素酸ナトリウム（ＮａＣｌＯ2）を活性化させるようにしてもよい。 However, the light source 3 is not limited to such an artificial light source, and sodium chlorite (NaClO 2 ) may be activated using sunlight having an ultraviolet light component stronger than that of the ultraviolet lamp. Good.

そのようにすると、電力の消費を招くことなく、低コストで、より効率良く亜塩素酸ナトリウム（ＮａＣｌＯ2）を活性化させることができる。 By doing so, sodium chlorite (NaClO 2 ) can be activated more efficiently at low cost without incurring power consumption.

（変形例２）
また、以上の実施の形態では、亜塩素酸ナトリウム添加液調合タンク２の上面部（天面部）を透明板２ｂに構成した。 (Modification 2)
Moreover, in the above embodiment, the upper surface part (top | upper surface part) of the sodium chlorite addition liquid preparation tank 2 was comprised in the transparent plate 2b.

そのようにすると、亜塩素酸ナトリウム添加液調合タンク２内にゴミや雨等を侵入させることなく、より確実に所望の濃度の亜塩素酸ナトリウム調合液を形成することができる。   By doing so, it is possible to more reliably form a sodium chlorite preparation liquid having a desired concentration without allowing dust or rain to enter the sodium chlorite addition liquid preparation tank 2.

しかし、同亜塩素酸ナトリウム添加液調合タンク２の上面部は必ずしも透明板２ｂを必須とするものではなく、必要に応じて透明板２ｂのない開放構造にすることもできる。   However, the upper surface portion of the sodium chlorite additive liquid preparation tank 2 does not necessarily require the transparent plate 2b, and may have an open structure without the transparent plate 2b if necessary.

（変形例３）
また、以上の実施の形態では、水産系使用水の一例として養殖漁業用飼育水の場合について説明したが、この発明を適用することが可能な水産系使用水の例としては、その他にも養殖漁場の種苗用滅菌水や疾病治療水など種々のものがあげられる。 (Modification 3)
Further, in the above embodiment, the case of breeding water for aquaculture and fishery has been described as an example of fishery system use water, but other examples of fishery system use water to which the present invention can be applied include aquaculture. Examples include sterilized water for seedlings and disease treatment water in fishing grounds.

本願発明の最良の実施の形態に係る水産系使用水に対する亜塩素酸ナトリウムの注入装置の構成を示すブロック図である。It is a block diagram which shows the structure of the injection | pouring apparatus of the sodium chlorite with respect to the fishery system use water which concerns on best embodiment of this invention.

符号の説明Explanation of symbols

１は亜塩素酸ナトリウムの原液を貯留している亜塩素酸ナトリウム原液タンク、２は使用水給ライン１１を介して供給される使用水中に亜塩素酸ナトリウム原液を添加する亜塩素酸ナトリウム添加液調合タンク、３はハロゲンランプ等よりなる所定の光源、４は原液タンク１から調合タンク２へ原液を供給する原液注入ポンプ、５は調合タンク２から魚類飼育水槽側の飼育水中に調合液を注入する調合液注入ポンプである。
である。 1 is a sodium chlorite stock solution tank storing a stock solution of sodium chlorite, and 2 is a sodium chlorite additive solution for adding a sodium chlorite stock solution to working water supplied through a working water supply line 11. A mixing tank, 3 is a predetermined light source such as a halogen lamp, 4 is a stock solution injection pump for supplying the stock solution from the stock solution tank 1 to the preparation tank 2, and 5 is for injecting the preparation solution from the preparation tank 2 to the breeding water on the fish breeding tank side. This is a liquid injection pump.
It is.

Claims (3)

亜塩素酸ナトリウム原液タンクと、亜塩素酸ナトリウム添加液調合タンクと、所定の光源と、上記亜塩素酸ナトリウム原液タンクから上記亜塩素酸ナトリウム添加液調合タンクへ原液を供給する原液注入ポンプと、上記亜塩素酸ナトリウム添加液調合タンクから使用水中に亜塩素酸ナトリウム調合液を注入する調合液注入ポンプとを具備してなる亜塩素酸ナトリウムの注入装置において、上記光源からの光が上記亜塩素酸ナトリウム添加液調合タンク中の亜塩素酸ナトリウム調合液に照射されるようにするとともに、上記亜塩素酸ナトリウム添加液調合タンクに亜塩素酸ナトリウム調合液バイパス通路を設けて、同光を照射した亜塩素酸ナトリウム調合液を循環させるようにしたことを特徴とする亜塩素酸ナトリウムの注入装置。   A sodium chlorite stock solution tank, a sodium chlorite additive solution preparation tank, a predetermined light source, and a stock solution injection pump for supplying stock solution from the sodium chlorite stock solution tank to the sodium chlorite additive solution preparation tank; In a sodium chlorite injection device comprising a preparation liquid injection pump for injecting a sodium chlorite preparation liquid into use water from the sodium chlorite addition liquid preparation tank, the light from the light source is the chlorite In addition to irradiating the sodium chlorite preparation liquid in the sodium acid addition liquid preparation tank, the sodium chlorite addition liquid preparation tank was provided with a sodium chlorite preparation bypass path and irradiated with the same light. An apparatus for injecting sodium chlorite, wherein a sodium chlorite preparation is circulated. 亜塩素酸ナトリウム添加液調合タンクの上面部を透明板に構成したことを特徴とする請求項１記載の亜塩素酸ナトリウム注入装置。   2. The sodium chlorite injecting device according to claim 1, wherein an upper surface portion of the sodium chlorite additive liquid preparation tank is configured as a transparent plate. 所定の光源は、その照射光量を所望の量に調節することができるようになっていることを特徴とする請求項１又は２記載の亜塩素酸ナトリウムの注入装置。
The sodium chlorite injecting apparatus according to claim 1 or 2, wherein the predetermined light source is capable of adjusting the amount of irradiation light to a desired amount.
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