JPH10337131A - Fish-farming installation - Google Patents
Fish-farming installationInfo
- Publication number
- JPH10337131A JPH10337131A JP15086297A JP15086297A JPH10337131A JP H10337131 A JPH10337131 A JP H10337131A JP 15086297 A JP15086297 A JP 15086297A JP 15086297 A JP15086297 A JP 15086297A JP H10337131 A JPH10337131 A JP H10337131A
- Authority
- JP
- Japan
- Prior art keywords
- water
- water tank
- tank
- fish
- generating member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Physical Water Treatments (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、魚を水槽内で養殖
する魚用養殖装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fish culturing apparatus for culturing fish in a water tank.
【０００２】[0002]
【従来の技術】従来、魚を陸上で養殖するために用いる
水槽は、全高を低く抑えるために底を略水平に形成して
いる。また、この種の水槽は、底から吸引した水を濾過
器に通し、この濾過器で濾過した水を上部から供給する
構造の水循環装置を接続している。前記濾過器は、アン
モニアなどの有害な物質を除去するためのものである。2. Description of the Related Art Conventionally, a water tank used for cultivating fish on land has a substantially horizontal bottom in order to keep the total height low. In addition, this type of water tank is connected to a water circulation device having a structure in which water sucked from the bottom is passed through a filter and water filtered by the filter is supplied from above. The filter is for removing harmful substances such as ammonia.
【０００３】[0003]
【発明が解決しようとする課題】しかるに、上述したよ
うに水槽の底が略水平であると、餌の残り分や魚の糞な
どからなる異物が底に溜まってしまうという問題があっ
た。従来では、コストアップになることを知りながら
も、水槽の底の清掃を作業員が潜って行っている。However, as described above, when the bottom of the water tank is substantially horizontal, there is a problem that foreign matters such as remaining food and fish droppings are accumulated at the bottom. Conventionally, an operator dives to clean the bottom of the aquarium, knowing that the cost will increase.
【０００４】また、水槽の底に前記異物が多く溜まる
と、この異物が水循環装置に吸込まれて循環ポンプ側に
堆積することがある。循環ポンプの水通路が前記堆積物
で狭められると、水を循環させる能力が低下してしま
う。このため、前記異物を簡単に回収することができる
養殖装置の提案が要請されている。If a large amount of the foreign matter accumulates at the bottom of the water tank, the foreign matter may be sucked into the water circulation device and accumulated on the circulation pump. If the water passage of the circulation pump is narrowed by the deposits, the ability to circulate water is reduced. Therefore, there has been a demand for a proposal of a culture device that can easily collect the foreign matter.
【０００５】さらに、魚が水槽内で泳ぐことに起因して
水中に溶込む魚体表面の粘液などの有機物は従来の養殖
装置では除去できないため、一定期間毎に水槽内の水を
全て交換している。なお、前記有機物を除去するための
フィルタは高価であるとともに、詰まりが発生し易いた
め、コストダウンを図るためにはこれを採用することは
できない。Further, since organic matter such as mucus on the surface of the fish that dissolves in the water due to the fish swimming in the aquarium cannot be removed by the conventional aquaculture equipment, all the water in the aquarium must be replaced at regular intervals. I have. In addition, since the filter for removing the organic substance is expensive and easily clogged, it cannot be used to reduce the cost.
【０００６】本発明はこのような問題点を解消するため
になされたもので、水槽の底に溜まる異物や、水に溶込
む前記有機物を簡単に取除くことができる魚用養殖装置
を提供することを目的とする。SUMMARY OF THE INVENTION The present invention has been made to solve such problems, and provides a fish cultivation apparatus capable of easily removing foreign substances accumulated at the bottom of a water tank and the organic substances dissolved in water. The purpose is to:
【０００７】[0007]
【課題を解決するための手段】この目的を達成するため
に、本発明に係る魚用養殖装置は、水槽内に気泡が吹出
る気泡発生部材を配設するとともに、水槽の底を傾斜さ
せてこの水槽の最も低い部分に取水口を開口させたもの
である。In order to achieve this object, a fish aquaculture apparatus according to the present invention is provided with an air bubble generating member for blowing air bubbles into a water tank and tilting the bottom of the water tank. The water inlet is opened at the lowest part of the water tank.
【０００８】本発明によれば、気泡発生部材から吹出る
気泡が水槽内を上昇することによって、気泡発生部材の
近傍の水が気泡とともに上昇する。このため、水槽内に
水の対流が起きる。この対流が生じるときには、水槽の
底付近では水が横方向へ流れるから、水槽の底に溜まっ
た餌の残り分や魚の糞などの異物は、水によって押され
ることがきっかけになって傾斜面を滑るようにして下
り、水槽の最下部に移動して取水口に入る。[0010] According to the present invention, the bubbles blown from the bubble generating member rise in the water tank, so that the water near the bubble generating member rises together with the bubbles. For this reason, convection of water occurs in the water tank. When this convection occurs, water flows in the horizontal direction near the bottom of the water tank, and foreign matter such as fish remaining in the bottom of the water tank and fish droppings is pushed by the water to trigger the slope. Glide down and move to the bottom of the aquarium to enter the water intake.
【０００９】他の発明に係る魚用養殖装置は、上述した
発明に係る魚用養殖装置において、気泡発生部材を取水
口の近傍に配設し、この気泡発生部材の上方に、気泡発
生部材の近傍に下端が開口して水面より上方に延在する
筒体を配設し、この筒体の水没部分に貫通穴を開口させ
たものである。According to another aspect of the present invention, there is provided a fish culturing apparatus according to the above-described invention, wherein the bubble generating member is disposed near the water opening, and the bubble generating member is provided above the bubble generating member. A cylindrical body having a lower end opened and extending above the water surface is provided in the vicinity, and a through hole is opened in a submerged portion of the cylindrical body.
【００１０】本発明によれば、筒体内から貫通穴を通っ
て筒体の外側に吹出した気泡が筒体に沿って上方へ移動
することによって、水槽内に水の対流が起きる。この対
流が生じるときには、筒体に沿って水が上昇し、気泡発
生部材の下方、すなわち取水口が開口する水槽の最も低
い部分に向けて側方から水が流れる。According to the present invention, convection of water occurs in the water tank by moving upward from the cylinder through the through hole to the outside of the cylinder along the cylinder. When this convection occurs, the water rises along the cylinder, and flows from the side toward the lower part of the bubble generating member, that is, the lowest part of the water tank where the water intake port opens.
【００１１】また、気泡が筒体内を上昇することによっ
て、魚体表面の粘液などの有機物が筒体内の水面から泡
になって浮上がり、空気の圧力によって筒体内を下流側
へ移動する。[0011] Further, as the bubbles rise in the cylinder, organic substances such as mucus on the surface of the fish body float as bubbles from the water surface in the cylinder, and move downstream in the cylinder by the pressure of air.
【００１２】他の発明に係る魚用養殖装置は、上述した
発明に係る魚用養殖装置において、取水口と水循環装置
の循環ポンプとの間に異物除去用遠心分離装置を介装し
たものである。本発明によれば、取水口に入った異物は
遠心分離装置で水と分離され、循環ポンプには異物が混
入してない水が流入する。According to another aspect of the present invention, there is provided a fish culturing apparatus according to the above-described invention, wherein a centrifugal separator for removing foreign matter is interposed between the water intake and the circulation pump of the water circulating apparatus. . According to the present invention, the foreign matter that has entered the water intake is separated from the water by the centrifugal separator, and the water free of the foreign matter flows into the circulation pump.
【００１３】[0013]
【発明の実施の形態】以下、本発明に係る魚用養殖装置
の一実施の形態を図１によって詳細に説明する。図１は
本発明に係る魚用養殖装置の構成を示す断面図である。
図１において、符号１で示すものは水槽である。この水
槽１は、有底円筒状に形成し、底部中央に形成した取水
口２に後述する水循環装置３を連通させている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the fish culturing apparatus according to the present invention will be described below in detail with reference to FIG. FIG. 1 is a cross-sectional view showing a configuration of a fish culture device according to the present invention.
In FIG. 1, what is indicated by reference numeral 1 is a water tank. The water tank 1 is formed in a cylindrical shape with a bottom, and a water circulation device 3 to be described later communicates with an intake port 2 formed at the center of the bottom.
【００１４】水槽１の底壁１ａは、中央の取水口２に向
かうにしたがって次第に深くなるように傾斜させてい
る。また、この底壁１ａの周縁から上方へ延びる周壁１
ｂは、上方に向かうにしたがって次第に内径が大きくな
るように形成している。前記底壁１ａに周壁１ｂを接続
する部分には、魚が取水口２内に入るのを阻止するため
に金網４を取付けている。この金網４は、上方から見て
底壁１ａの全域を覆うように形成し、取水口２の上方の
部位に気泡発生部材５を取付けている。The bottom wall 1a of the water tank 1 is inclined so as to become gradually deeper toward the water intake 2 at the center. A peripheral wall 1 extending upward from the peripheral edge of the bottom wall 1a.
b is formed such that the inner diameter gradually increases as it goes upward. A wire mesh 4 is attached to a portion connecting the peripheral wall 1b to the bottom wall 1a in order to prevent fish from entering the water intake port 2. The wire mesh 4 is formed so as to cover the entire area of the bottom wall 1 a when viewed from above, and the bubble generating member 5 is attached to a portion above the water intake 2.
【００１５】前記気泡発生部材５は、空気ホース６から
供給された空気を多数の微小な穴から水槽１内に吹出す
構造を採り、取水口２の上方近傍に配設している。空気
ホース６は、気泡発生部材５の上方に配設したダクト７
の内部を通して水槽１の上方に延ばし、他端を空気ポン
プ８の空気吐出口に接続している。The air bubble generating member 5 has a structure in which air supplied from an air hose 6 is blown into the water tank 1 through a number of minute holes, and is disposed in the vicinity of the water intake 2. The air hose 6 is provided with a duct 7 disposed above the bubble generating member 5.
And the other end is connected to an air discharge port of the air pump 8.
【００１６】前記ダクト７は、断面形状が円形のダクト
本体９と、このダクト本体９の内側に固着した通路形成
部材１０とから構成し、気泡発生部材５の上方近傍から
水槽１の径方向の中心部を上方へ延びて水面Ｌより上方
に延出し、水槽１の上方を横切って水槽１の側方まで延
びている。このダクト７が本発明に係る筒体を構成して
いる。前記ダクト本体９の下端部９ａは、気泡発生部材
５の周囲の上方を上方から覆うように、末広がり状、す
なわち下方へ向かうにしたがって内径が次第に大きくな
る形状に形成している。この下端部９ａは、表裏を貫通
するように形成した下部丸穴１１を下端部９ａの周方向
に等間隔おいて複数形成している。The duct 7 comprises a duct main body 9 having a circular cross section and a passage forming member 10 fixed inside the duct main body 9. The central portion extends upward, extends above the water surface L, and extends across the water tank 1 to the side of the water tank 1. This duct 7 constitutes a cylindrical body according to the present invention. The lower end portion 9a of the duct main body 9 is formed in a divergent shape so as to cover the upper part of the periphery of the bubble generating member 5 from above, that is, the inner diameter gradually increases downward. The lower end portion 9a has a plurality of lower round holes 11 formed so as to penetrate the front and back sides at equal intervals in the circumferential direction of the lower end portion 9a.
【００１７】また、ダクト本体９における水槽１内の水
に漬かる部分には、前記下部丸穴１１より上側に上部丸
穴１２を形成している。この上部丸穴１２は、水槽１の
上下方向の中央より僅かに上側に位置し、ダクト本体９
の周方向に等間隔おいて複数形成している。この上部丸
穴１２と前記下部丸穴１１が本発明に係る貫通穴を構成
している。An upper round hole 12 is formed above the lower round hole 11 in a portion of the duct body 9 immersed in water in the water tank 1. The upper round hole 12 is located slightly above the center of the water tank 1 in the vertical direction, and
Are formed at equal intervals in the circumferential direction. The upper round hole 12 and the lower round hole 11 constitute a through hole according to the present invention.
【００１８】前記通路形成部材１０は、下端に円環状の
フランジ１０ａを有する円筒状に形成し、このフランジ
１０ａの外周縁を全周にわたってダクト本体９の内周面
に固着しており、ダクト本体９と同一軸線上に位置付け
られている。この通路形成部材１０の上下方向の取付位
置は、円筒１０ｂの上下方向の中央部が前記上部丸穴１
２と同じ高さになるように設定している。The passage forming member 10 is formed in a cylindrical shape having an annular flange 10a at the lower end, and the outer peripheral edge of the flange 10a is fixed to the inner peripheral surface of the duct main body 9 over the entire circumference. It is positioned on the same axis as 9. The mounting position of the passage forming member 10 in the vertical direction is such that the center of the cylinder 10b in the vertical direction is the upper round hole 1.
It is set to be the same height as 2.
【００１９】図において水槽１内に描いた符号Ａで示す
ものは気泡、符号Ｂで示すものは餌の残り分や図示して
ない魚の糞などの異物である。なお、この異物Ｂは、水
槽１内で金網４の隙間を通って水槽１の底壁１ａの上に
落下する。In the figure, the reference numeral A drawn in the aquarium 1 denotes air bubbles, and the reference numeral B denotes foreign matter such as remaining food and fish dung (not shown). The foreign matter B falls on the bottom wall 1a of the water tank 1 through the gap of the wire mesh 4 in the water tank 1.
【００２０】前記水循環装置３は、水槽１内の水の浄化
と前記異物Ｂの除去を行うためのもので、取水口２に取
水管１３を介して接続した遠心分離装置１４と、この遠
心分離装置１４に連通管１５を介して接続した貯水タン
ク１６と、この貯水タンク１６から循環ポンプ１７によ
って供給された水に含まれるアンモニアをバクテリアに
よって除去する濾過装置１８と、この濾過装置１８から
水槽１へ上方から水を戻すための給水管１９とから構成
している。The water circulating device 3 is for purifying water in the water tank 1 and removing the foreign matter B. The water circulating device 3 is connected to the water intake 2 via a water intake pipe 13, A water storage tank 16 connected to the device 14 via a communication pipe 15; a filtration device 18 for removing ammonia contained in water supplied from the water storage tank 16 by a circulation pump 17 by bacteria; and a water tank 1 from the filtration device 18 And a water supply pipe 19 for returning water from above.
【００２１】前記遠心分離装置１４は、円筒状の本体１
４ａの内部に矢印で示すように旋回流が発生することに
よって、異物Ｂが遠心力によって径方向の外側に集まる
とともに、軸心部の上側から水のみが仕切板１４ｂの上
方に溢れ出る構造を採っている。前記本体１４ａの内周
部に集められた異物Ｂは、重力によって本体１４ａ内を
下がり、本体１４ａの底に溜まる。この遠心分離装置１
４と水槽１とを接続する前記取水管１３は、本体１４ａ
における仕切板１４ｂより下側の外周部分に接続し、遠
心分離装置１４から貯水タンク１６へ水を送る連通管１
５は、本体１４ａにおける仕切板１４ｂより上側の外周
部分に接続している。The centrifugal separator 14 has a cylindrical main body 1.
By generating a swirling flow as shown by an arrow inside 4a, the foreign matter B is collected radially outside by centrifugal force, and only water overflows from above the axial center to above the partition plate 14b. I am taking it. The foreign matter B collected on the inner peripheral portion of the main body 14a descends in the main body 14a by gravity and accumulates at the bottom of the main body 14a. This centrifugal separator 1
The water intake pipe 13 for connecting the water tank 4 to the water tank 1 has a main body 14a.
The communication pipe 1 is connected to the outer peripheral portion below the partition plate 14b and sends water from the centrifugal separator 14 to the water storage tank 16.
5 is connected to the outer peripheral portion of the main body 14a above the partition plate 14b.
【００２２】この遠心分離装置１４で前記旋回流を発生
させるためには、この実施の形態では、遠心分離装置１
４を水槽１より低い位置に配置し、水槽１から水が遠心
分離装置１４へ流れ下りる現象を利用している。すなわ
ち、取水管１３を前記本体１４ａに接線方向から水が流
入するように接続することによって、本体１４ａ内に前
記旋回流が生じる。このため、前記取水口２に入った異
物Ｂは、ここから流出する水に押されて遠心分離装置１
４に流入し、遠心分離装置１４内で水と分離される。な
お、遠心分離装置１４内に溜まった異物Ｂは、遠心分離
装置１４の最下部に設けたバルブ１４ｃを開いて下方へ
排出する。In order to generate the swirling flow in the centrifugal separator 14, in this embodiment, the centrifugal separator 1 is used.
4 is disposed at a position lower than the water tank 1, and a phenomenon in which water flows down from the water tank 1 to the centrifugal separator 14 is used. That is, by connecting the water intake pipe 13 to the main body 14a so that water flows in from the tangential direction, the swirling flow is generated in the main body 14a. For this reason, the foreign matter B entering the intake port 2 is pushed by the water flowing out of the intake port 2 and the centrifugal separator 1
4 and is separated from water in the centrifugal separator 14. The foreign matter B accumulated in the centrifugal separator 14 is discharged downward by opening the valve 14c provided at the lowermost part of the centrifugal separator 14.
【００２３】このように構成した魚用養殖装置は、水槽
１内の気泡発生部材５に空気ポンプ８から空気を供給す
るとともに、循環ポンプ１７を運転することによって、
異物Ｂや、水に含まれる有害物質（魚が分泌する有機物
および魚が***したアンモニアなど）を除去することが
できる。ここで、異物Ｂや有害物質を除去できる理由を
詳細に説明する。In the fish culturing apparatus thus configured, air is supplied from the air pump 8 to the bubble generating member 5 in the water tank 1 and the circulating pump 17 is operated.
Foreign matter B and harmful substances contained in water (such as organic matter secreted by fish and ammonia excreted by fish) can be removed. Here, the reason why foreign matter B and harmful substances can be removed will be described in detail.
【００２４】気泡発生部材５に空気が送られると、気泡
発生部材５から水中に気泡Ａが吹出る。この気泡Ａは、
ダクト本体９の末広がり状の下端部９ａの内側に入り、
ダクト７内を上昇する。ダクト７内に気泡Ａが入ること
によって、ダクト７内の水位が図中にＨで示す寸法だけ
上昇する。When air is sent to the bubble generating member 5, bubbles A blow out from the bubble generating member 5 into water. This bubble A
It enters inside the flared lower end 9a of the duct body 9,
It rises in the duct 7. When the bubble A enters the duct 7, the water level in the duct 7 rises by a dimension indicated by H in the figure.
【００２５】前記下端部９ａの内側に入った気泡Ａのう
ち一部は、下端部９ａ内を上昇する途中で下部丸穴１１
に入り、この下部丸穴１１を通ってダクト７の外に吹出
する。気泡Ａの残りは、通路形成部材１０の中空部を通
って上昇する。この実施の形態では、ダクト７の途中に
通路形成部材１０を設けてダクト７内の通路が途中で狭
くなる構造を採っているため、下部丸穴１１に入らずに
前記下端部９ａを上昇した気泡Ａは、通路形成部材１０
の下方で一時的に滞留するようになる。この滞留部分に
下方から加わった気泡Ａは、それより上方に上昇するこ
とが抑制され、下部丸穴１１を通ってダクト７外に吹出
る。すなわち、気泡Ａが下部丸穴１１から吹出る割合い
が多くなる。Some of the air bubbles A that have entered the inside of the lower end 9a, while rising inside the lower end 9a, have a lower round hole 11a.
And blows out of the duct 7 through the lower round hole 11. The remainder of the bubble A rises through the hollow portion of the passage forming member 10. In this embodiment, since the passage forming member 10 is provided in the middle of the duct 7 and the passage in the duct 7 is narrowed in the middle, the lower end 9a is raised without entering the lower round hole 11. The bubble A is generated by the passage forming member 10.
Will temporarily stay below the floor. Bubbles A added to the stagnation portion from below are suppressed from rising upward, and blow out of the duct 7 through the lower round hole 11. That is, the rate at which the bubbles A blow out from the lower round hole 11 increases.
【００２６】通路形成部材１０の中空部を通過して上昇
した気泡Ａは、一部が通路形成部材１０の円筒１０ｂと
ダクト本体７ａとの間の水室２０に上方から入り、この
水室２０内で下降して上部丸穴１２を通ってダクト７外
に吹出る。残りの気泡Ａは、ダクト７内の水面まで上昇
する。前記水室２０内で気泡Ａが下降するのは、ダクト
７内の水位が前記寸法Ｈだけ上昇しており、上部丸穴１
２を通ってダクト７外に流出する水流がダクト７内に生
じるからである。Part of the bubble A that has risen through the hollow portion of the passage forming member 10 enters the water chamber 20 between the cylinder 10b of the passage forming member 10 and the duct body 7a from above. It descends inside and blows out of the duct 7 through the upper round hole 12. The remaining bubbles A rise to the water surface in the duct 7. The bubble A descends in the water chamber 20 because the water level in the duct 7 rises by the dimension H and the upper round hole 1
This is because a water flow flowing out of the duct 7 through the pipe 2 is generated in the duct 7.
【００２７】気泡Ａが上述したように下部丸穴１１およ
び上部丸穴１２から吹出し、水槽１内を上昇することに
よって、ダクト７の周囲の水が気泡Ａとともに上方に向
けて流動するようになり、水槽１内に対流が起きる。こ
の対流による水が流れる方向を図１中に二点鎖線で示
す。すなわち、水槽１内の水は、水槽１の径方向の中心
部で上昇して水面付近で径方向の外側に向けて流れ、そ
の後、水槽１の周壁１ｂに沿って下降して底壁１ａの近
傍を水槽１の中心に向けて流れる。As described above, the bubble A is blown out from the lower round hole 11 and the upper round hole 12 and rises in the water tank 1, so that the water around the duct 7 flows upward together with the bubble A. Then, convection occurs in the water tank 1. The direction in which the water flows due to the convection is indicated by a two-dot chain line in FIG. That is, the water in the water tank 1 rises at the radial center of the water tank 1 and flows outward in the radial direction near the water surface, and then descends along the peripheral wall 1b of the water tank 1 to form the bottom wall 1a. It flows toward the center of the water tank 1 in the vicinity.
【００２８】このように対流が生じることにより、水槽
１の底壁１ａ上に溜まった異物Ｂは、水によって取水口
２に向けて押され、底壁１ａの上面（傾斜面）を滑るよ
うにして水槽１の最下部まで下り、取水口２内に入る。
この取水口２には水槽１内から遠心分離装置１４に向か
う水流が生じているので、取水口２に入った異物Ｂは、
水に混ざった状態で遠心分離装置１４に流入する。遠心
分離装置１４に流入した異物Ｂは、ここで水と分離され
て装置内に溜められる。As a result of the convection, the foreign matter B collected on the bottom wall 1a of the water tank 1 is pushed by the water toward the water intake port 2 and slides on the upper surface (inclined surface) of the bottom wall 1a. Down to the bottom of the water tank 1 and enter the water intake 2.
Since a water flow from the inside of the water tank 1 toward the centrifugal separator 14 is generated in the water intake 2, the foreign matter B entering the water intake 2 is
The mixture flows into the centrifugal separator 14 while being mixed with water. The foreign matter B that has flowed into the centrifugal separator 14 is separated from water here and stored in the centrifugal separator 14.
【００２９】遠心分離装置１４で異物Ｂが分離した水
は、連通管１５を通って貯水タンク１６に流れ込み、こ
の貯水タンク１６から循環ポンプ１７によって濾過装置
１８に送られる。すなわち、循環ポンプ１７は異物Ｂが
混入していない水が通る。濾過装置１８に供給された水
は、ここでアンモニアが除去され、給水管１９を通って
水槽１に上方から流れ込む。上述した循環系によって異
物Ｂとアンモニアとを除去することができる。The water from which the foreign matter B has been separated by the centrifugal separator 14 flows into the water storage tank 16 through the communication pipe 15, and is sent from the water storage tank 16 to the filtration device 18 by the circulation pump 17. That is, water in which the foreign matter B is not mixed passes through the circulation pump 17. In the water supplied to the filtration device 18, ammonia is removed here, and the water flows into the water tank 1 from above through a water supply pipe 19. The foreign matter B and ammonia can be removed by the circulation system described above.
【００３０】水槽１内の水に含まれる有機物は、ダクト
７を通って水槽１外に排出される。すなわち、水槽１内
の水に有機物が含まれている場合には、ダクト７内の水
面に気泡Ａが達することによって、有機物が溶けた水か
らなる膜が表面を形成する泡２１が水面上に生成され
る。この泡２１は、下方から気泡Ａが加えられることに
よって増大するので、次第にダクト７の上部を満たすよ
うになり、ダクト７の水平延在部分を通って先端から押
出される。このようにして有機物が泡２１の状態で水槽
外に排出される。The organic matter contained in the water in the water tank 1 is discharged out of the water tank 1 through the duct 7. That is, when the water in the water tank 1 contains an organic substance, the bubble A reaching the water surface in the duct 7 causes a bubble 21 in which a film made of water containing the organic substance forms a surface to form a bubble 21 on the water surface. Generated. Since the bubbles 21 increase due to the addition of the bubbles A from below, the bubbles 21 gradually fill the upper portion of the duct 7 and are extruded from the tip through the horizontally extending portion of the duct 7. In this way, the organic matter is discharged out of the water tank in the state of bubbles 21.
【００３１】この魚用養殖装置のように異物Ｂや有害物
質を除去するために気泡Ａを利用すると、この気泡Ａが
水中を漂うことによって溶存酸素量が増えるので、溶存
酸素を補う装置を別に設けなくてよいという利点もあ
る。When bubbles A are used to remove foreign substances B and harmful substances as in this fish culture apparatus, the amount of dissolved oxygen increases as the bubbles A float in the water. There is also an advantage that it need not be provided.
【００３２】なお、水槽１の形状は有底円筒状に限定さ
れることはなく、底が傾斜していれば平面視矩形の箱状
でもよい。この構成を採る場合には、気泡Ａの上昇に伴
って生じる対流によって水が底の低い方へ流れるよう
に、気泡発生部材５の位置を設定する。すなわち、気泡
発生部材５は、水槽１の底の形状によっては水槽１の中
央に配置しなくてもよい。また、水槽１内を気泡Ａが上
昇することにより対流が生じれば異物Ｂを除去できるた
め、ダクト７は設けなくてもよいし、ダクト７を設ける
場合であっても気泡Ａを吹出す構造は適宜変更すること
ができる。The shape of the water tank 1 is not limited to a cylindrical shape with a bottom, but may be a rectangular box in a plan view as long as the bottom is inclined. In the case of adopting this configuration, the position of the bubble generating member 5 is set so that water flows to a lower bottom by convection generated as the bubble A rises. That is, the bubble generating member 5 may not be disposed at the center of the water tank 1 depending on the shape of the bottom of the water tank 1. In addition, since foreign matter B can be removed if convection occurs due to rising of bubbles A in water tank 1, duct 7 may not be provided, and even if duct 7 is provided, bubbles A are blown out. Can be changed as appropriate.
【００３３】[0033]
【発明の効果】以上説明したように本発明によれば、気
泡発生部材から吹出る気泡が水槽内を上昇することによ
って、気泡発生部材の近傍の水が気泡とともに上昇す
る。このため、水槽内に水の対流現象が発生する。この
対流現象が生じるときには、水槽の底付近では水が横方
向へ流れるから、水槽の底に溜まった餌の残り分や魚の
糞などの異物は、水によって押されることがきっかけに
なって傾斜面を滑るようにして下り、水槽の最下部に移
動して取水口に入る。As described above, according to the present invention, the bubbles blown from the bubble generating member rise in the water tank, so that the water near the bubble generating member rises together with the bubbles. For this reason, a convection phenomenon of water occurs in the water tank. When this convection phenomenon occurs, water flows in the horizontal direction near the bottom of the water tank, so that foreign matters such as food remaining at the bottom of the water tank and fish droppings are pushed by the water to trigger the slope. Slide down, move to the bottom of the water tank and enter the water intake.
【００３４】したがって、水槽内での清掃作業を実施す
ることなく前記異物を簡単に取除くことができる。Therefore, the foreign matter can be easily removed without performing a cleaning operation in the water tank.
【００３５】取水口近傍の気泡発生部材の上方に筒体を
配設する他の発明によれば、筒体内から貫通穴を通って
筒体の外側に吹出した気泡が筒体に沿って上方へ移動す
ることによって、水槽内に水の対流が起きる。この対流
が生じるときには、筒体に沿って水が上昇し、気泡発生
部材の下方、すなわち取水口が開口する水槽の最も低い
部分に向けて側方から水が流れる。したがって、水槽の
底に溜まった異物が水によって取水口へ向けて押される
から、前記異物が確実に取水口に入る。According to another aspect of the invention in which the cylinder is disposed above the bubble generating member near the water intake, the air bubbles blown out of the cylinder through the through hole to the outside of the cylinder are directed upward along the cylinder. The movement causes convection of water in the aquarium. When this convection occurs, the water rises along the cylinder, and flows from the side toward the lower part of the bubble generating member, that is, the lowest part of the water tank where the water intake port opens. Therefore, the foreign matter accumulated on the bottom of the water tank is pushed toward the water intake by the water, so that the foreign matter surely enters the water intake.
【００３６】また、気泡が筒体内を上昇することによっ
て、魚体表面の粘液などの有機物が筒体内の水面から泡
になって筒体を通って排出される。したがって、本発明
に係る魚用養殖装置は、対流を発生させるための気泡お
よび筒体を利用して有機物を除去できるから、フィルタ
を用いる場合と同等の除去効果を奏するにもかかわらず
安価である。In addition, as the bubbles rise in the cylinder, organic substances such as mucus on the surface of the fish are turned into bubbles from the water surface in the cylinder and discharged through the cylinder. Therefore, the fish cultivation apparatus according to the present invention can remove organic matter using bubbles and a cylinder for generating convection, and is inexpensive despite having the same removal effect as when a filter is used. .
【００３７】異物除去用遠心分離装置を設ける他の発明
によれば、取水口に入った異物は遠心分離装置で水と分
離され、循環ポンプには異物が混入してない水が流入す
る。したがって、循環ポンプの水通路が異物で狭められ
ることがないから、水を循環する能力が長期間にわたっ
て一定に保たれる魚用養殖装置を提供することができ
る。According to another invention in which a centrifugal separator for removing foreign matter is provided, foreign matter entering the water intake is separated from water by the centrifugal separator, and water free of foreign matter flows into the circulation pump. Therefore, since the water passage of the circulating pump is not narrowed by the foreign matter, it is possible to provide a fish culturing apparatus in which the ability to circulate water is kept constant for a long period of time.
【図１】 本発明に係る魚用養殖装置の構成を示す断面
図である。FIG. 1 is a cross-sectional view illustrating a configuration of a fish culture device according to the present invention.
１…水槽、１ａ…底壁、２…取水口、５…気泡発生部
材、７…ダクト、１１…下部丸穴、１２…上部丸穴、１
４…遠心分離装置、１７…循環ポンプ。DESCRIPTION OF SYMBOLS 1 ... Water tank, 1a ... Bottom wall, 2 ... Water intake port, 5 ... Bubble generating member, 7 ... Duct, 11 ... Lower round hole, 12 ... Upper round hole, 1
4 ... Centrifugal separator, 17 ... Circulation pump.
Claims (3)
設するとともに、水槽の底を傾斜させてこの水槽の最も
低い部分に取水口を開口させたことを特徴とする魚用養
殖装置。1. An aquaculture apparatus for fish, wherein a bubble generating member for blowing air bubbles is disposed in a water tank, and a bottom of the water tank is inclined to open an intake port at a lowest portion of the water tank. .
気泡発生部材を取水口の近傍に配設し、この気泡発生部
材の上方に、下端が気泡発生部材の近傍で開口するとと
もに上端が水面より上方に延在する筒体を配設し、この
筒体の水没部分に貫通穴を開口させたことを特徴とする
魚用養殖装置。2. The fish culturing apparatus according to claim 1, wherein
The bubble generating member is disposed in the vicinity of the water inlet, and a cylinder having a lower end opened near the bubble generating member and an upper end extending above the water surface is disposed above the bubble generating member. A fish culturing device characterized in that a through hole is opened in a submerged part of a body.
装置において、取水口に水循環装置を連通させ、この水
循環装置の循環ポンプと前記取水口との間に異物除去用
遠心分離装置を介装したことを特徴とする魚用養殖装
置。3. The fish culturing apparatus according to claim 1, wherein a water circulating device is connected to the water intake, and a centrifugal separator for removing foreign matter is provided between the water circulating pump and the water intake. A fish culturing device characterized by being interposed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15086297A JPH10337131A (en) | 1997-06-09 | 1997-06-09 | Fish-farming installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15086297A JPH10337131A (en) | 1997-06-09 | 1997-06-09 | Fish-farming installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH10337131A true JPH10337131A (en) | 1998-12-22 |
Family
ID=15506014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15086297A Pending JPH10337131A (en) | 1997-06-09 | 1997-06-09 | Fish-farming installation |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10337131A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003075646A1 (en) * | 2002-03-13 | 2003-09-18 | Ian Mcrobert | Waste extraction system |
| JP2005538688A (en) * | 2002-02-15 | 2005-12-22 | ハダス イスラエル | Mega flow system |
| JP2013102729A (en) * | 2011-11-14 | 2013-05-30 | Institute Of National Colleges Of Technology Japan | Apparatus and method for rearing fishery larva |
| KR101363623B1 (en) * | 2013-06-17 | 2014-03-13 | 유병화 | Aquacultural recirculating aquarium using biofloc |
| TWI577280B (en) * | 2016-07-22 | 2017-04-11 | ji-yu Su | Involving the initial ecological oxygen dredging and oxygen supply system |
-
1997
- 1997-06-09 JP JP15086297A patent/JPH10337131A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005538688A (en) * | 2002-02-15 | 2005-12-22 | ハダス イスラエル | Mega flow system |
| WO2003075646A1 (en) * | 2002-03-13 | 2003-09-18 | Ian Mcrobert | Waste extraction system |
| US7363878B2 (en) | 2002-03-13 | 2008-04-29 | Mcrobert Ian | Waste extraction system |
| CN100413406C (en) * | 2002-03-13 | 2008-08-27 | 伊恩·麦克罗伯特 | Waste extraction system |
| JP2013102729A (en) * | 2011-11-14 | 2013-05-30 | Institute Of National Colleges Of Technology Japan | Apparatus and method for rearing fishery larva |
| KR101363623B1 (en) * | 2013-06-17 | 2014-03-13 | 유병화 | Aquacultural recirculating aquarium using biofloc |
| TWI577280B (en) * | 2016-07-22 | 2017-04-11 | ji-yu Su | Involving the initial ecological oxygen dredging and oxygen supply system |
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