JP4113105B2 - Flowing fish test equipment - Google Patents
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- JP4113105B2 JP4113105B2 JP2003401125A JP2003401125A JP4113105B2 JP 4113105 B2 JP4113105 B2 JP 4113105B2 JP 2003401125 A JP2003401125 A JP 2003401125A JP 2003401125 A JP2003401125 A JP 2003401125A JP 4113105 B2 JP4113105 B2 JP 4113105B2
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- 238000012360 testing method Methods 0.000 title claims description 164
- 241000251468 Actinopterygii Species 0.000 title claims description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 380
- 239000000126 substance Substances 0.000 claims description 189
- 239000012895 dilution Substances 0.000 claims description 164
- 238000010790 dilution Methods 0.000 claims description 164
- 239000007788 liquid Substances 0.000 claims description 105
- 238000004891 communication Methods 0.000 claims description 68
- 239000000243 solution Substances 0.000 claims description 56
- 238000007865 diluting Methods 0.000 claims description 22
- 238000005259 measurement Methods 0.000 claims description 20
- 238000010586 diagram Methods 0.000 description 5
- 239000003905 agrochemical Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000002440 industrial waste Substances 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- -1 as shown in FIG. 4 Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000008155 medical solution Substances 0.000 description 1
- 238000011076 safety test Methods 0.000 description 1
Description
本発明は、産業廃棄物、工場排水、農薬等に含まれる毒性有機物、化学物質など薬液の供試魚に及ぼす生物学的又は化学的な安全性の評価を行う流水式魚類試験装置に関する。 The present invention, industrial waste, industrial waste water, toxic organic substances contained in agricultural chemicals, to flow-Fish test apparatus for evaluating a biological or chemical safety on test fish in the chemical and chemical substances.
従来からあるこの種の流水式魚類試験装置は、図４に示すように産業廃棄物、工場排水、農薬等に含まれる毒性有機物、化学物質など薬液を貯めておく薬液タンク７０と、薬液を希釈する希釈水を貯めておく希釈水タンク７２と、これら薬液と希釈水を所定の濃度に混ぜて試験水として貯水する貯水槽７４と、供試魚７６を試験水に飼育させておく試験水槽７８と、薬液タンク７０内の薬液を貯水槽７４に供給する薬液供給ポンプ８０と、希釈水タンク７２内の希釈水を貯水槽７４に供給する希釈水供給ポンプ８２と、を備えている（非特許文献１）。 This kind of flow-Fish test apparatus are conventional, industrial waste, as shown in FIG. 4, industrial wastewater, toxic organic substances contained in agricultural chemicals, the chemical liquid tank 70 to be pooled chemical chemical substances, the chemical A dilution water tank 72 for storing dilution water to be diluted, a water tank 74 for mixing these chemicals and dilution water to a predetermined concentration and storing them as test water, and a test water tank for raising the test fish 76 in the test water 78, a chemical solution supply pump 80 for supplying the chemical solution in the chemical solution tank 70 to the water storage tank 74, and a dilution water supply pump 82 for supplying the dilution water in the dilution water tank 72 to the water storage tank 74 (non-contained) Patent Document 1).
この流水式魚類試験装置は、薬液供給ポンプ８０と希釈水供給ポンプ８２を稼動することによって、貯水槽７４に薬液と希釈水を供給し、それぞれ貯水槽に供給する薬液と希釈水の量は、これらポンプ８０、８２によって調整されるように構成されており、貯水槽７４で混合された試験水は、既知の手段によって試験水槽７８に連続的に適量が供給されるよう構成されている。このように連続的に試験水を供給し、試験水槽７８内で飼育している供試魚７６の生体を調べることにより、薬液の供試魚に及ぼす生物学的又は化学的な安全性の評価を行うことができる。 The flow-through fish test apparatus, by operating the dilution water feed pump 82 and the chemical liquid supply pump 80, a chemical liquid and dilution water in the water tank 74 is supplied, the amount of dilution water chemical supplies in each reservoir The test water mixed in the water storage tank 74 is configured so that an appropriate amount is continuously supplied to the test water tank 78 by known means. In this way, by supplying test water continuously and examining the living body of the test fish 76 bred in the test water tank 78, biological or chemical safety evaluation of the chemical solution on the test fish is evaluated. It can be performed.
しかしながら、従来の流水式魚類試験装置は、このようにポンプ８０、８２を用いて薬液や希釈水を貯水槽７４に供給するように構成されているが、ポンプ８０、８２は、シール部の交換など頻繁にメンテナンスを行う必要があるため、長期間に及ぶ試験には適していない。また、ポンプ８０、８２によって供給量を調整する場合、その設定作業は、複雑で手間がかかるという問題がある。さらに、ポンプ８０、８２によって薬液や希釈水を供給する際に、ポンプ８０、８２から薬液や希釈水に熱や圧力が伝わることによって、これらの水温上昇を生じさせたり、また溶解酸素を減らしたりすることにより、薬液の供試魚に対する安全性の試験に悪影響を与える場合がある。 However, the conventional flow-fish test apparatus, but such configuration as using a pump 80, 82 for supplying the drug solution or dilution water in reservoir 74, pump 80, 82 of the seal portion Since frequent maintenance such as replacement is necessary, it is not suitable for long-term tests. Moreover, when adjusting supply_amount | feed_rate with the pumps 80 and 82, there exists a problem that the setting operation | work is complicated and requires time. Furthermore, when supplying chemicals and dilution water by the pumps 80 and 82, heat and pressure are transmitted from the pumps 80 and 82 to the chemicals and dilution water, thereby causing these water temperatures to rise and reducing dissolved oxygen. This may adversely affect the safety test of the chemical solution against the test fish.
そこで、本発明は、ポンプを利用しないで、連続的に薬液の供試魚に対する安全性の試験を行うことができる流水式魚類試験装置を提供することを目的とする。 Accordingly, the present invention is not use pumps, and an object thereof is to provide a flow-through fish test apparatus capable of testing the safety against continuously subjected chemicals fish.
以上の目的を達成するため、本発明は、薬液と希釈水が混合された試験水で供試魚を飼育させておく試験水槽と、該試験水槽の上方に設置され、前記試験水槽に供給する試験水を貯水する貯水槽と、該貯水槽から前記試験水槽に試験水を供給する試験水供給手段と、前記貯水槽の上方に設置され、前記貯水槽に供給する希釈水を貯めておく希釈水タンクと、前記希釈水タンクの希釈水を前記貯水槽に供給する希釈水供給手段と、前記貯水槽の上方に設置され、前記貯水槽に供給する薬液を貯めておく薬液タンクと、前記薬液タンクの薬液を前記貯水槽に供給する薬液供給手段と、前記希釈水供給手段と前記薬液供給手段を制御する制御手段と、を備えた流水式魚類試験装置であって、前記希釈水供給手段は、前記希釈水タンクと前記貯水槽の間に設置され、前記貯水槽に供給する希釈水を計量する希釈水計量容器と、該希釈水計量容器と前記希釈タンクを連通する第１希釈水用連通路と、該第１希釈水用連通路に設けられた第１希釈水用弁と、前記希釈水計量容器と前記貯水槽を連通する第２希釈水用連通路と、該第２希釈水用連通路に設けられた第２希釈水用弁と、を備えており、前記薬液供給手段は、前記薬液タンクと前記貯水槽の間に設置され、前記貯水槽に供給する薬液を計量する薬液計量容器と、該薬液計量容器と前記薬液タンクを連通する第１薬液用連通路と、該第１薬液用連通路に設けられた第１薬液用弁と、前記薬液計量容器と前記貯水槽を連通する第２薬液用連通路と、該第２薬液用連通路に設けられた第２薬液用弁と、を備え、前記制御手段は、前記希釈水計量容器内に所定量の希釈水が貯まると、前記第１希釈水用弁を閉口させ、前記薬液計量容器内に所定量の薬液が貯まると、前記第１薬液用弁を閉口させ、その後、前記第２希釈水用弁及び前記第２薬液用弁を開口させるように構成されており、前記試験水供給手段は、前記試験水槽と前記貯水槽を連通する試験水連通路と、該試験水連通路に設けられ、前記試験水連通路内を流動する試験水の量を調整可能な試験水量調整弁が設けられていることを特徴とするものである。 In order to achieve the above object, the present invention provides a test water tank in which a test fish is bred with test water mixed with a chemical solution and dilution water, and is installed above the test water tank and supplied to the test water tank. A water tank for storing test water, a test water supply means for supplying test water from the water tank to the test water tank, and a dilution unit installed above the water tank and storing dilution water to be supplied to the water tank A water tank; dilution water supply means for supplying dilution water of the dilution water tank to the water storage tank; a chemical liquid tank installed above the water storage tank for storing the chemical liquid supplied to the water storage tank; and the chemical liquid A flowing water type fish test apparatus comprising: a chemical solution supply means for supplying a chemical solution in a tank to the water storage tank; and a control means for controlling the dilution water supply means and the chemical solution supply means, wherein the dilution water supply means comprises: The dilution water tank and the water tank A dilution water metering container for metering dilution water to be supplied to the water storage tank, a first dilution water communication path communicating the dilution water measurement container and the dilution tank, and the first dilution water communication path A first dilution water valve provided on the second dilution water communication path, the second dilution water communication path communicating the dilution water measuring container and the water storage tank, and a second dilution water communication path provided in the second dilution water communication path. And the chemical solution supply means is installed between the chemical solution tank and the water storage tank, and measures the chemical solution supplied to the water storage tank, and the chemical solution measurement container and the chemical solution tank. A first chemical solution communication path communicating with the first chemical solution communication passage, a first chemical solution valve provided in the first chemical solution communication passage, a second chemical solution communication passage communicating the chemical solution measurement container and the water storage tank, A second chemical solution valve provided in the two chemical solution communication path, and the control means includes the dilution water meter When a predetermined amount of dilution water is stored in the container, the first dilution water valve is closed, and when a predetermined amount of chemical solution is stored in the chemical liquid measurement container, the first chemical solution valve is closed, The second dilution water valve and the second chemical solution valve are configured to open, and the test water supply means includes a test water communication passage that connects the test water tank and the water storage tank, A test water amount adjusting valve provided in the passage and capable of adjusting the amount of test water flowing in the test water communication passage is provided.
本発明に係る流水式魚類試験装置は、このような構成から次のような作用を有する。先ず、第１希釈水用弁と第１薬液用弁を開き、第２希釈水用弁と第２薬液用弁を閉じると、希釈水タンクから希釈水計量容器内に希釈水が供給され、薬液タンクから薬液計量容器内に薬液が供給される。希釈水計量容器内に所定量の希釈水が貯まると、第１希釈水用弁が閉じ、薬液計量容器内に所定量の薬液が貯まると、第１薬液用弁が閉じる。その後、第２希釈水用弁と第２薬液用弁が開き、希釈水計量容器内の希釈水と薬液計量容器内の薬液が貯水槽に供給される。一方、貯水槽に貯められた試験水は、試験水量調整弁によって適量に調整されて試験水槽に連続的に供給される。そして、常時、試験水が貯水槽に十分に貯まっているように、希釈水と薬液の供給を繰り返すことにより、試験水を連続的に試験水槽に供給することができ、試験水槽内の供試魚の薬液に対する安全性の評価を行うことができる。 The flowing water type fish testing apparatus according to the present invention has the following operation from such a configuration. First, when the first diluting water valve and the first chemical liquid valve are opened and the second diluting water valve and the second chemical liquid valve are closed, the diluting water is supplied from the diluting water tank into the diluting water metering container. The chemical solution is supplied from the tank into the chemical measurement container. When a predetermined amount of dilution water is stored in the dilution water metering container, the first dilution water valve is closed, and when a predetermined amount of chemical solution is stored in the chemical liquid measurement container, the first chemical solution valve is closed. Thereafter, the second dilution water valve and the second chemical liquid valve are opened, and the dilution water in the dilution water measuring container and the chemical liquid in the chemical liquid measuring container are supplied to the water storage tank. On the other hand, the test water stored in the water tank is adjusted to an appropriate amount by the test water amount adjusting valve and continuously supplied to the test water tank. The test water can be continuously supplied to the test water tank by repeating the supply of dilution water and chemical solution so that the test water is sufficiently stored in the water tank at all times. It is possible to evaluate the safety of fish against chemicals.
本発明に係る流水式魚類試験装置において、前記試験水槽は、二以上設けられており、前記試験水供給手段は、前記試験水槽に対応させて同数設けられていることが好ましく、この場合、試験水供給手段は、同一の貯水槽から同量の試験水を供給するように構成されていることが好ましい。このように二以上の試験水槽を設けることにより、一の試験水槽内の供試魚が病気などが発生したとしても、他の試験水槽に影響を与えることはないので、長期に及ぶ試験に対応することができる。また、本発明に係る流水式魚類試験装置において、前記第２希釈水用連通路と前記第２薬液用連通路は、前記貯水槽に至る前で合流されていることが好ましく、このように第２希釈水用連通路と第２薬液用連通路を合流させることにより、希釈水と薬液を十分に混合させることができ、評価試験の質の向上を図ることができる。 In flow-through fish test apparatus according to the present invention, the test water tank is provided two or more, the test water supply means is preferably provided equal in correspondence with the test water tank, in this case The test water supply means is preferably configured to supply the same amount of test water from the same water tank. By providing two or more test water tanks in this way, even if the test fish in one test water tank becomes sick, it does not affect other test water tanks, so it can be used for long-term tests. can do. Moreover, in the flowing water type fish test apparatus according to the present invention, it is preferable that the second diluting water communication path and the second chemical liquid communication path are merged before reaching the water tank. By joining the 2 dilution water communication passage and the second chemical solution communication passage, the dilution water and the chemical solution can be sufficiently mixed, and the quality of the evaluation test can be improved.
また、上記目的を達成するため、本発明は、薬液と希釈水が混合された試験水で供試魚などを飼育させておく試験水槽と、該試験水槽の上方に設置され、前記試験水槽に供給する希釈水を貯めておく希釈水タンクと、前記希釈水タンクの希釈水を前記試験水槽に供給する希釈水供給手段と、前記試験水槽の上方に設置され、前記試験水槽に供給する薬液を貯めておく薬液タンクと、前記薬液タンクの薬液を前記試験水槽に供給する薬液供給手段と、前記希釈水供給手段と前記薬液供給手段を制御する制御手段と、を備えた流水式魚類試験装置であって、前記希釈水供給手段は、前記希釈水タンクと前記試験水槽の間に設置され、前記試験水槽に供給する希釈水を計量する希釈水計量容器と、該希釈水計量容器と前記希釈タンクを連通する第１希釈水用連通路と、該第１希釈水用連通路に設けられ、第１希釈水用連通路を開閉可能な第１希釈水用弁と、前記希釈水計量容器と前記試験水槽を連通する第２希釈水用連通路と、該第２希釈水用連通路に設けられ、第２希釈水用連通路を開閉可能な第２希釈水用弁と、を備えており、前記薬液供給手段は、前記薬液タンクと前記試験水槽の間に設置され、前記試験水槽に供給する薬液を計量する薬液計量容器と、該薬液計量容器と前記薬液タンクを連通する第１薬液用連通路と、該第１薬液用連通路に設けられ、第１薬液用連通路を開閉可能な第１薬液用弁と、前記薬液計量容器と前記試験水槽を連通する第２薬液用連通路と、該第２薬液用連通路に設けられ、第２薬液用連通路を開閉可能な第２薬液用弁と、を備え、前記制御手段は、前記希釈水計量容器内に所定量の希釈水が貯まると、前記第１希釈水用弁を閉口させ、前記薬液計量容器内に所定量の薬液が貯まると、前記第１薬液用弁を閉口させ、その後、前記第２希釈水用弁及び前記第２薬液用弁を開口させるように構成されていることを特徴とする。この場合、前記第２希釈水用連通路と前記第２薬液用連通路は、前記試験水槽に至る前で合流されていることが好ましい。 In order to achieve the above object, the present invention provides a test water tank in which a test fish or the like is bred with test water mixed with a chemical solution and dilution water, and is installed above the test water tank. A dilution water tank for storing dilution water to be supplied, dilution water supply means for supplying the dilution water of the dilution water tank to the test water tank, and a chemical solution installed above the test water tank and supplied to the test water tank A flowing-water fish testing apparatus comprising: a chemical liquid tank to be stored; a chemical liquid supply means for supplying the chemical liquid in the chemical liquid tank to the test water tank; and a control means for controlling the dilution water supply means and the chemical liquid supply means. The dilution water supply means is installed between the dilution water tank and the test water tank, and measures the dilution water to be supplied to the test water tank, the dilution water measurement container, and the dilution tank. The first to communicate The diluting water communicating path, the first diluting water valve provided in the first diluting water communicating path and capable of opening and closing the first diluting water communicating path, the diluting water measuring container, and the test water tank communicate with each other. A second diluting water communication path and a second diluting water valve provided in the second diluting water communication path and capable of opening and closing the second diluting water communication path. A chemical solution measuring container that is installed between the chemical solution tank and the test water tank and measures the chemical solution supplied to the test water tank; a first chemical solution communication path that connects the chemical solution measurement container and the chemical solution tank; A first chemical liquid valve provided in one chemical liquid communication path and capable of opening and closing the first chemical liquid communication path; a second chemical liquid communication path communicating the chemical liquid measurement container and the test water tank; A second chemical liquid valve provided in the communication path and capable of opening and closing the second chemical liquid communication path; When a predetermined amount of dilution water is stored in the dilution water measuring container, the first dilution water valve is closed, and when a predetermined amount of chemical liquid is stored in the chemical liquid measurement container, the first chemical liquid valve is closed, Thereafter, the second dilution water valve and the second chemical liquid valve are configured to open. In this case, it is preferable that the second diluting water communication path and the second chemical liquid communication path are joined before reaching the test water tank.
本発明に係る流水式魚類試験装置において、前記第１希釈水路は、前記希釈水タンク内の希釈水をその自重により前記希釈水計量容器まで流動させるように構成されており、前記第２希釈水路は、前記希釈水計量容器内の希釈水をその自重により前記貯水槽又は試験水槽まで流動させるように構成されている。前記第１薬液路は、前記薬液タンク内の薬液をその自重により前記薬液計量容器まで流動させるように構成されており、前記第２薬液路は、前記薬液計量容器内の薬液をその自重により前記貯水槽又は試験水槽まで流動させるように構成されている。前記試験水連通路は、前記貯水槽内の試験水をその自重により試験水槽まで流動させるように構成されている。 In the flowing water type fish test apparatus according to the present invention, the first dilution channel is configured to flow the dilution water in the dilution water tank to the dilution water measuring container by its own weight, and the second dilution channel. Is configured to flow dilution water in the dilution water measuring container to the water storage tank or the test water tank by its own weight. The first chemical liquid path is configured to flow the chemical liquid in the chemical liquid tank to the chemical liquid measuring container by its own weight, and the second chemical liquid path is configured to cause the chemical liquid in the chemical liquid measuring container to flow by its own weight. It is comprised so that it may flow to a water storage tank or a test water tank. The test water communication passage is configured to flow the test water in the water storage tank to the test water tank by its own weight.
以上のように、本発明に係る流水式魚類試験装置によれば、ポンプを利用しないで、連続的に薬液の供試魚に対する安全性の試験を行うことができる流水式魚類試験装置を提供することができる。 As described above, according to the flowthrough fish testing apparatus according to the present invention, without using a pump, provide a flow-through fish test apparatus capable of testing the safety against test fish continuously chemical can do.
次に、本発明に係る流水式魚類試験装置の第１実施例について図面に基づいて説明する。図１は、第１実施例に係る流水式魚類試験装置の概念図である。第１実施例に係る流水式魚類試験装置は、薬液と希釈水が混合された試験水で供試魚を飼育させておく試験水槽１０と、試験水槽１０に供給する試験水を貯水する貯水槽１２と、貯水槽１２から試験水槽１０に試験水を供給する試験水供給部１４と、貯水槽１２に供給する希釈水を貯めておく希釈水タンク１６と、希釈水タンク１６の希釈水を貯水槽１２に供給する希釈水供給部１８と、貯水槽１２に供給する薬液を貯めておく薬液タンク２０と、薬液タンク２０の薬液を貯水槽１２に供給する薬液供給部２２と、希釈水供給部１８と薬液供給部２２を制御する制御部Ａ（図２参照）と、を備えている。 Next, a first embodiment of the flowing-water fish testing apparatus according to the present invention will be described with reference to the drawings. FIG. 1 is a conceptual diagram of a flowing water fish testing apparatus according to the first embodiment. The flowing-water type fish test apparatus according to the first embodiment includes a test water tank 10 in which a test fish is bred with test water in which a chemical solution and dilution water are mixed, and a water tank for storing test water supplied to the test water tank 10. 12, a test water supply unit 14 for supplying test water from the water storage tank 12 to the test water tank 10, a dilution water tank 16 for storing dilution water supplied to the water storage tank 12, and a dilution water in the dilution water tank 16 A dilution water supply unit 18 to be supplied to the tank 12, a chemical solution tank 20 for storing a chemical solution to be supplied to the water storage tank 12, a chemical solution supply unit 22 to supply the chemical liquid in the chemical solution tank 20 to the water storage tank 12, and a dilution water supply unit 18 and a control unit A (see FIG. 2) for controlling the chemical solution supply unit 22.
第１実施例に係る流水式魚類試験装置において、試験水槽１０は、３つ設けられており、それに対応させて試験水供給部１４も３つ設けられている。これら３つの試験水槽１０と試験水供給部１４は、構造が同一であるので、一の試験水槽１０及び試験水供給部１４のみについて以下説明を行うこととする。 In the flowing water type fish testing apparatus according to the first embodiment, three test water tanks 10 are provided, and three test water supply units 14 are also provided correspondingly. Since these three test water tanks 10 and the test water supply unit 14 have the same structure, only the one test water tank 10 and the test water supply unit 14 will be described below.
試験水槽１０は、供試魚２４が遊泳できるように酸素供給装置など種々の装置が取り付けられており（図示省略）、またその側面には、試験水供給部１４によって試験水が過剰に供給された場合に、その試験水が排出可能なオーバーフロー管２６が設けられている。 The test water tank 10 is equipped with various devices such as an oxygen supply device so that the test fish 24 can swim (not shown), and the test water supply unit 14 supplies an excessive amount of test water to the side thereof. In such a case, an overflow pipe 26 that can discharge the test water is provided.
試験水供給部１４は、それぞれ貯水槽１２の底面に設けられ、試験水槽１０と貯水槽１２を連通する試験水連通管２８と、試験水連通管２８に設けられ、試験水連通管２８を開閉可能な試験水供給用電磁弁３０と、試験水供給管２８の試験水供給用電磁弁３０の下方に設けられ、試験水連通路２８内を流動する試験水の量を調整可能な試験水量調整弁３２と、を備えている。 The test water supply unit 14 is provided on the bottom surface of the water storage tank 12, and is provided in the test water communication pipe 28 that connects the test water tank 10 and the water storage tank 12, and the test water communication pipe 28. Possible test water supply solenoid valve 30 and test water amount adjustment which is provided below the test water supply solenoid valve 30 of the test water supply pipe 28 and can adjust the amount of test water flowing in the test water communication passage 28 And a valve 32.
貯水槽１２は、試験水槽１０の上方に設置されており、その側面には、希釈水供給部１８と薬液供給部２２によって希釈水と薬液が過剰に供給された場合に、その希釈水と薬液が混合された試験水が排出可能なオーバーフロー管３４が設けられている。 The water storage tank 12 is installed above the test water tank 10, and when the dilution water and the chemical liquid are excessively supplied by the dilution water supply section 18 and the chemical liquid supply section 22 on the side surface thereof, the dilution water and the chemical liquid are stored. An overflow pipe 34 is provided through which the test water mixed with can be discharged.
希釈水タンク１６と薬液タンク２０は、貯水槽１２の上方に設置されている。 The dilution water tank 16 and the chemical liquid tank 20 are installed above the water storage tank 12.
希釈水供給部１８は、希釈水タンク１６と貯水槽１２の間に設置され、貯水槽１２に供給する希釈水を計量する希釈水計量容器３６と、希釈水タンク１６の底面に設けられ、希釈水計量容器３６と希釈タンク１８を連通する第１希釈水用連通管３８と、第１希釈水用連通管３８に設けられ、第１希釈水用連通管３８を開閉可能な第１希釈水用電磁弁４０と、希釈水計量容器３６の底面に設けられ、希釈水計量容器３６と貯水槽１２を連通する第２希釈水用連通管４２と、第２希釈水用連通管４２に設けられ、第２希釈水用連通管４２を開閉可能な第２希釈水用電磁弁４４と、希釈水計量容器３６に所定量の希釈水が貯まったか否かを検知する希釈水センサ４６と、を備えている。 The dilution water supply unit 18 is installed between the dilution water tank 16 and the water storage tank 12 and is provided on the bottom surface of the dilution water tank 16 and the dilution water measuring container 36 for measuring the dilution water supplied to the water storage tank 12. A first dilution water communication pipe 38 communicating the water metering container 36 and the dilution tank 18, and a first dilution water communication pipe 38 provided on the first dilution water communication pipe 38 and capable of opening and closing the first dilution water communication pipe 38. Provided on the bottom surface of the electromagnetic valve 40 and the dilution water metering container 36, provided in the second dilution water communication pipe 42 that communicates the dilution water metering container 36 and the water storage tank 12, and the second dilution water communication pipe 42; A second dilution water electromagnetic valve 44 capable of opening and closing the second dilution water communication pipe 42; and a dilution water sensor 46 for detecting whether or not a predetermined amount of dilution water has accumulated in the dilution water metering container 36. Yes.
薬液供給部２２は、薬液タンク２０と貯水槽１２の間に設置され、貯水槽１２に供給する薬液を計量する薬液計量容器４８と、薬液タンク２０の底面に設けられ、薬液計量容器４８と希釈タンク２０を連通する第１薬液用連通管５０と、第１薬液用連通管５０に設けられ、第１薬液用連通管５０を開閉可能な第１薬液用電磁弁５２と、薬液計量容器４８の底面に設けられ、薬液計量容器４８と貯水槽１２を連通する第２薬液用連通管５４と、第２薬液用連通管５４に設けられ、第２薬液用連通管５４を開閉可能な第２電磁弁５６と、薬液計量容器４８に所定量の薬液が貯まったか否かを検知する薬液センサ５８と、を備えている。 The chemical liquid supply unit 22 is installed between the chemical liquid tank 20 and the water storage tank 12, and is provided on the bottom surface of the chemical liquid tank 20 for measuring the chemical liquid supplied to the water storage tank 12, and diluted with the chemical liquid measurement container 48. A first chemical liquid communication pipe 50 communicating with the tank 20, a first chemical liquid electromagnetic valve 52 provided in the first chemical liquid communication pipe 50 and capable of opening and closing the first chemical liquid communication pipe 50; A second electromagnetic fluid communication pipe 54 that is provided on the bottom surface and communicates with the chemical liquid measurement container 48 and the water storage tank 12 and a second chemical liquid communication pipe 54 that can open and close the second chemical liquid communication pipe 54. A valve 56 and a chemical solution sensor 58 for detecting whether or not a predetermined amount of the chemical solution is stored in the chemical solution measuring container 48 are provided.
第２希釈水用連通管４２の下流側と第２薬液用連通管５４の下流側は、合流されており、希釈水と薬液は、混合された状態で貯水槽１２に供給されるように構成されている。 The downstream side of the second dilution water communication pipe 42 and the downstream side of the second chemical liquid communication pipe 54 are joined together, and the dilution water and the chemical liquid are mixed and supplied to the water storage tank 12. Has been.
制御部Ａは、図２に示すように第１希釈水用電磁弁４０、第２希釈水用電磁弁４４、希釈水センサ４６、第１薬液用電磁弁５２、第２薬液用電磁弁５６、及び薬液センサ５８に接続されており、希釈水センサ４６によって希釈水計量容器３６内に所定量の希釈水が貯まったと検知されると、第１希釈水用電磁弁４０を閉口させ、薬液センサ５８によって薬液計量容器４８内に所定量の薬液が貯まったと検知されると、第１薬液用電磁弁５２を閉口させ、その後、例えば第２希釈水用電磁弁４４と第２薬液用電磁弁５６が閉口したときから所定時間経過後、第２希釈水用電磁弁４４及び第２薬液用電磁弁５６を開口させるように構成されている。 As shown in FIG. 2, the control unit A includes a first dilution water electromagnetic valve 40, a second dilution water electromagnetic valve 44, a dilution water sensor 46, a first chemical liquid electromagnetic valve 52, a second chemical liquid electromagnetic valve 56, When the dilution water sensor 46 detects that a predetermined amount of dilution water has accumulated in the dilution water metering container 36, the first dilution water electromagnetic valve 40 is closed, and the chemical solution sensor 58 is connected. When it is detected that a predetermined amount of chemical liquid is stored in the chemical liquid measurement container 48, the first chemical liquid electromagnetic valve 52 is closed, and then, for example, the second dilution water electromagnetic valve 44 and the second chemical liquid electromagnetic valve 56 are opened. The second diluting water electromagnetic valve 44 and the second chemical liquid electromagnetic valve 56 are configured to open after a lapse of a predetermined time from the closing.
次に、第１実施例に係る流水式魚類試験装置の動作について説明する。先ず、第２希釈水用電磁弁４４と第２薬液用電磁弁５６を閉じ、第１希釈水用電磁弁４０と第１薬液用電磁弁５２を開くと、希釈水タンク１６から希釈水計量容器３６内に希釈水が供給され、薬液タンク２０から薬液計量容器４８内に薬液が供給され、それぞれに希釈水及び薬液が貯められる。希釈水計量容器４８内に所定量の希釈水が貯まったと希釈水センサ４６が検知すると、第１希釈水用電磁弁４０が閉じ、薬液計量容器内に所定量の薬液が貯まったと薬液センサ５８が検知すると、第１薬液用電磁弁５２が閉じる。その後、例えば第２希釈水用電磁弁４４と第２薬液用電磁弁５６が閉じたときから所定時間経過後、第２希釈水用電磁弁４４と第２薬液用電磁弁５６が開き、希釈水計量容器３６内の希釈水と薬液計量容器４８内の薬液が貯水槽１２に供給される。 Next, the operation of the flowing water fish testing apparatus according to the first embodiment will be described. First, when the second dilution water electromagnetic valve 44 and the second chemical liquid electromagnetic valve 56 are closed and the first dilution water electromagnetic valve 40 and the first chemical liquid electromagnetic valve 52 are opened, the dilution water measuring container is diluted from the dilution water tank 16. The dilution water is supplied into the liquid crystal 36, the chemical liquid is supplied from the chemical liquid tank 20 into the chemical liquid measurement container 48, and the dilution water and the chemical liquid are stored in each of them. When the dilution water sensor 46 detects that a predetermined amount of dilution water has accumulated in the dilution water measuring container 48, the first dilution water electromagnetic valve 40 is closed, and when a predetermined amount of chemical liquid has accumulated in the chemical liquid measurement container, the chemical liquid sensor 58 is activated. Upon detection, the first chemical electromagnetic valve 52 is closed. Thereafter, for example, after a predetermined time has elapsed since the second dilution water electromagnetic valve 44 and the second chemical liquid electromagnetic valve 56 were closed, the second dilution water electromagnetic valve 44 and the second chemical liquid electromagnetic valve 56 opened, and the dilution water The dilution water in the measuring container 36 and the chemical solution in the chemical measuring container 48 are supplied to the water storage tank 12.
一方、試験中は、試験水供給用電磁弁３０を開けておき、そうすると、貯水槽１２に貯められた試験水は、試験水量調整弁３２によって適量に調整されて各試験水槽１０に連続的に供給される。そして、常時、試験水が貯水槽１２に十分に貯まっているように、希釈水と薬液の供給を繰り返すことにより、試験水を連続的に試験水槽１０に供給することができ、試験水槽１０内の供試魚２４の薬液に対する安全性の評価を行うことができる。 On the other hand, during the test, the electromagnetic valve 30 for supplying the test water is opened, so that the test water stored in the water tank 12 is adjusted to an appropriate amount by the test water amount adjusting valve 32 and continuously in each test water tank 10. Supplied. The test water can be continuously supplied to the test water tank 10 by repeating the supply of the dilution water and the chemical solution so that the test water is sufficiently stored in the water tank 12 at all times. It is possible to evaluate the safety of the test fish 24 against the chemical solution.
次に、本発明に係る流水式魚類試験装置の第２実施例について、図３に基づいて説明する。第２実施例に係る流水式魚類試験装置は、第１実施例と異なり、貯水槽１２を備えておらず、希釈水供給部１８と薬液供給部２２から直接一つの試験水槽１０に希釈水及び薬液が供給されるように構成されている。この場合、第１実施例と同様に第２希釈水連通管４２の下流側と第２薬液連通管５４の下流側は、合流されて構成されているので、希釈水と薬液は、十分に混合された試験水の状態で試験水槽１０に供給される。特に、第２実施例においては、合流された管の長さを十分に長くしているので、より混合された状態で試験水を供給することができる。 Next, a second embodiment of the flowing-water fish testing apparatus according to the present invention will be described with reference to FIG. Unlike the first embodiment, the flowing-water fish testing apparatus according to the second embodiment does not include the water storage tank 12, and the dilution water and the chemical water supply section 22 are supplied directly to the test water tank 10 from the dilution water supply section 18 and the chemical liquid supply section 22. It is comprised so that a chemical | medical solution may be supplied. In this case, as in the first embodiment, the downstream side of the second dilution water communication pipe 42 and the downstream side of the second chemical liquid communication pipe 54 are joined together, so that the dilution water and the chemical liquid are sufficiently mixed. The test water is supplied to the test water tank 10 in the state of the test water. In particular, in the second embodiment, the length of the joined pipe is sufficiently long, so that the test water can be supplied in a more mixed state.
１０ 試験水槽
１２ 貯水槽
１４ 試験水供給部
１６ 希釈水タンク
１８ 希釈水供給部
２０ 薬液タンク
２２ 薬液供給部
２４ 供試魚
２８ 試験水供給管
３２ 試験水量調整弁
３６ 希釈水計量容器
３８ 第１希釈水供給管
４０ 第１希釈水用電磁弁
４２ 第２希釈水供給管
４４ 第２希釈水用電磁弁
４８ 薬液計量容器
５０ 第１薬液供給管
５２ 第１薬液用電磁弁
５４ 第２薬液供給管
５６ 第２薬液用電磁弁
DESCRIPTION OF SYMBOLS 10 Test tank 12 Reservoir 14 Test water supply part 16 Dilution water tank 18 Dilution water supply part 20 Chemical liquid tank 22 Chemical liquid supply part 24 Test fish 28 Test water supply pipe 32 Test water quantity adjustment valve 36 Dilution water measuring container 38 1st dilution Water supply pipe 40 First dilution water solenoid valve 42 Second dilution water supply pipe 44 Second dilution water solenoid valve 48 Chemical liquid metering container 50 First chemical liquid supply pipe 52 First chemical liquid electromagnetic valve 54 Second chemical liquid supply pipe 56 Solenoid valve for second chemical
Claims (2)
該試験水槽の上方に設置され、前記試験水槽に供給する試験水を貯水する貯水槽と、
該貯水槽から前記試験水槽に試験水を供給する試験水供給手段と、
前記貯水槽の上方に設置され、前記貯水槽に供給する希釈水を貯めておく希釈水タンクと、
前記希釈水タンクの希釈水を前記貯水槽に供給する希釈水供給手段と、
前記貯水槽の上方に設置され、前記貯水槽に供給する薬液を貯めておく薬液タンクと、
前記薬液タンクの薬液を前記貯水槽に供給する薬液供給手段と、
前記希釈水供給手段と前記薬液供給手段を制御する制御手段と、
を備えた流水式魚類試験装置であって、
前記希釈水供給手段は、前記希釈水タンクと前記貯水槽の間に設置され、前記貯水槽に供給する希釈水を計量する希釈水計量容器と、該希釈水計量容器と前記希釈タンクを連通する第１希釈水用連通路と、該第１希釈水用連通路に設けられ、第１希釈水用連通路を開閉可能な第１希釈水用弁と、前記希釈水計量容器と前記貯水槽を連通する第２希釈水用連通路と、該第２希釈水用連通路に設けられ、第２希釈水用連通路を開閉可能な第２希釈水用弁と、を備えており、前記第１希釈水用連通路は、前記希釈水タンク内の希釈水をその自重により前記希釈水計量容器まで流動させるように構成されており、前記第２希釈水用連通路は、前記希釈水計量容器内の希釈水をその自重により前記貯水槽まで流動させるように構成され、
前記薬液供給手段は、前記薬液タンクと前記貯水槽の間に設置され、前記貯水槽に供給する薬液を計量する薬液計量容器と、該薬液計量容器と前記薬液タンクを連通する第１薬液用連通路と、該第１薬液用連通路に設けられ、第１薬液用連通路を開閉可能な第１薬液用弁と、前記薬液計量容器と前記貯水槽を連通する第２薬液用連通路と、該第２薬液用連通路に設けられ、第２薬液用連通路を開閉可能な第２薬液用弁と、を備えており、前記第１薬液用連通路は、前記薬液タンク内の薬液をその自重により前記薬液計量容器まで流動させるように構成されており、前記第２薬液用連通路は、前記薬液計量容器内の薬液をその自重により前記貯水槽まで流動させるように構成され、
前記制御手段は、前記希釈水計量容器内に所定量の希釈水が貯まると、前記第１希釈水用弁を閉口させ、前記薬液計量容器内に所定量の薬液が貯まると、前記第１薬液用弁を閉口させ、その後、前記第２希釈水用弁及び前記第２薬液用弁を開口させるように構成されており、
前記試験水槽は、二以上設けられており、
前記試験水供給手段は、前記貯水槽の底面に設けられ、前記試験水槽と前記貯水槽を連通する試験水連通路と、該試験水連通路に設けられ、前記試験水連通路内を流動する試験水の量を調整可能な試験水量調整弁と、が設けられ、前記試験水供給手段は、前記試験水槽に対応させて同数設けられていることを特徴とする流水式魚類試験装置。 A test water tank in which test fish and the like are bred in test water mixed with chemicals and dilution water;
A water storage tank that is installed above the test water tank and stores test water supplied to the test water tank;
Test water supply means for supplying test water from the water tank to the test water tank;
A dilution water tank installed above the water tank and storing dilution water to be supplied to the water tank;
Dilution water supply means for supplying dilution water of the dilution water tank to the water storage tank;
A chemical tank installed above the water tank and storing a chemical to be supplied to the water tank;
A chemical supply means for supplying the chemical in the chemical tank to the water tank;
Control means for controlling the dilution water supply means and the chemical solution supply means;
A flowing-water fish testing apparatus comprising:
The dilution water supply means is installed between the dilution water tank and the water storage tank, and communicates the dilution water measurement container for measuring the dilution water supplied to the water storage tank, and the dilution water measurement container and the dilution tank. A first dilution water communication path, a first dilution water valve provided in the first dilution water communication path and capable of opening and closing the first dilution water communication path, the dilution water measuring container, and the water storage tank; A second diluting water communication passage communicating with the second diluting water communication passage, and a second diluting water valve provided in the second diluting water communication passage and capable of opening and closing the second diluting water communication passage . The dilution water communication path is configured to flow the dilution water in the dilution water tank to the dilution water measuring container by its own weight, and the second dilution water communication path is in the dilution water measuring container. Configured to flow to the water tank by its own weight,
The chemical liquid supply means is installed between the chemical liquid tank and the water storage tank, and measures a chemical liquid measuring container for measuring the chemical liquid supplied to the water storage tank, and a first chemical liquid connection that communicates the chemical liquid measuring container and the chemical liquid tank. A first chemical liquid valve provided in the first chemical liquid communication path and capable of opening and closing the first chemical liquid communication path; a second chemical liquid communication path communicating the chemical liquid measurement container and the water storage tank; A second chemical liquid valve provided in the second chemical liquid communication path and capable of opening and closing the second chemical liquid communication path, wherein the first chemical liquid communication path contains the chemical liquid in the chemical liquid tank. The second chemical solution communication path is configured to flow to the water storage tank by its own weight, and is configured to flow to the chemical measurement container by its own weight.
The control means closes the first dilution water valve when a predetermined amount of dilution water is stored in the dilution water measuring container, and when the predetermined amount of chemical solution is stored in the chemical liquid measurement container, the control means The valve is closed, and then the second dilution water valve and the second chemical liquid valve are opened,
Two or more test water tanks are provided,
The test water supply means is provided on the bottom surface of the water storage tank, and is provided in the test water communication path that connects the test water tank and the water storage tank, and flows in the test water communication path. and the amount of test water adjustable test water volume control valve, is provided, the test water supply means, flow-fish test apparatus characterized by being equal provided corresponding to the test tank.
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| JP2003401125A JP4113105B2 (en) | 2003-12-01 | 2003-12-01 | Flowing fish test equipment |
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| JP2003401125A JP4113105B2 (en) | 2003-12-01 | 2003-12-01 | Flowing fish test equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100958859B1 (en) * | 2008-07-14 | 2010-05-20 | 한국화학연구원 | Continuous flow-through system for Daphnia toxicity test |
| CN105301218A (en) * | 2015-11-24 | 2016-02-03 | 天津开发区合普工贸有限公司 | Water pollution treatment effect fish experiment control apparatus |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012063335A1 (en) * | 2010-11-10 | 2012-05-18 | 柴田科学株式会社 | Test water supply device and water-flowing fish testing device |
| JP6313027B2 (en) * | 2013-11-26 | 2018-04-18 | 柴田科学株式会社 | Chemical liquid supply device and flowing water type fish test device |
| KR101439105B1 (en) | 2014-07-08 | 2014-09-12 | 계룡과학주식회사 | System For Bioconcentration Test |
| CN105929147B (en) * | 2016-04-27 | 2018-05-18 | 浙江省海洋水产研究所 | One kind is i.e. with i.e. with toxicity test equipment |
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2003
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100958859B1 (en) * | 2008-07-14 | 2010-05-20 | 한국화학연구원 | Continuous flow-through system for Daphnia toxicity test |
| CN105301218A (en) * | 2015-11-24 | 2016-02-03 | 天津开发区合普工贸有限公司 | Water pollution treatment effect fish experiment control apparatus |
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| JP2005160336A (en) | 2005-06-23 |
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