JP2018033340A - Air diffusion system including air diffuser and its operation method - Google Patents

Air diffusion system including air diffuser and its operation method Download PDF

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JP2018033340A
JP2018033340A JP2016168037A JP2016168037A JP2018033340A JP 2018033340 A JP2018033340 A JP 2018033340A JP 2016168037 A JP2016168037 A JP 2016168037A JP 2016168037 A JP2016168037 A JP 2016168037A JP 2018033340 A JP2018033340 A JP 2018033340A
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air
air diffuser
diffuser
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JP6188893B1 (en
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中塚　修志
Nobuyuki Nakatsuka
修志 中塚
平川　圭一郎
Keiichiro Hirakawa
圭一郎 平川
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Daicen Membrane Systems Ltd
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/20—Activated sludge processes using diffusers
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

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  • Biodiversity & Conservation Biology (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental Sciences (AREA)
  • Hydrology & Water Resources (AREA)
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  • Marine Sciences & Fisheries (AREA)
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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Farming Of Fish And Shellfish (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
  • Accessories For Mixers (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide an air diffusion system that can stably aerate a wide aquaculture pond.SOLUTION: An air diffusion system including an air diffuser 1 is provided that is used in an aquaculture pond of aquatic organisms, the pond that has a depth of 1-3 m and area of 500 mor more. The air diffuser 1 has a blower 11 installed in the outside of the aquaculture pond, an air diffusion part 20 immersed in the aquaculture pond, and a first blast pipe 18 for connecting the blower 11 with the air diffusion part 20. The air diffusion part 20 has air diffusion bodies 21 of 4 or more, and second air ducts 22 of 4 or more for connecting the air diffusion bodies 21 of 4 or more. Further, the first air duct 18 is provided for connecting one of the second air ducts 22 of 4 or more of the air diffusion part 20 with the blower 11. The blowing capacity of the blower 11 is 20-40 m/h. A planar shape of the air diffusion part 20 is quadrangle, and the occupied area of the air diffusion part 20 (area on the basis of a case surrounded only by the second air duct 22) is 50-150 m. A foaming area of the air diffusion body 21 is 200-550 cm/piece.SELECTED DRAWING: Figure 1

Description

本発明は、エビ、かになどの甲殻類、魚などの水生生物の養殖池で使用する散気装置を含む散気システムとその運転方法に関する。   The present invention relates to an air diffuser system including an air diffuser used in aquaculture ponds for aquatic organisms such as shrimp, crab shellfish, and fish, and an operation method thereof.

魚などの養殖または飼育するときに曝気する各種技術が知られている（特許文献１〜３）。
養殖池の面積が広い場合には曝気対象面積も広くなるため、それに使用する装置も大型化してしまい、必要となるエネルギー量も大きくなる。 Various techniques for aeration when culturing or rearing fish or the like are known (Patent Documents 1 to 3).
When the area of the aquaculture pond is large, the aeration target area is also widened, so that the apparatus used for the aeration is increased in size, and the amount of energy required is also increased.

２０１１−１３０６８５号公報2011-130685 gazette ２００４−２６１００８号公報2004-261008 ２００２−１１９１６９号公報No. 2002-119169

本発明は、エビ、かになどの甲殻類、魚などの養殖池で使用する散気装置を含む散気システムとその運転方法を提供することを課題とする。   An object of the present invention is to provide an air diffuser system including an air diffuser used in aquaculture ponds such as shrimp, crab shellfish, fish, and the like, and an operation method thereof.

本発明は、深さが１〜３ｍ、面積（Ａ１）が５００ｍ2以上の養殖池で使用する散気装置を含む散気システムであって、
前記散気装置が、前記養殖池の外に設置される送風機と、前記養殖池の中に浸漬される散気部と、前記送風機と前記散気部を接続する第１送風管を有しているものであり、
前記散気部が、４以上の散気体と、前記４以上の散気体を接続する４本以上の第２送風管を有しており、
さらに前記散気部の前記４本以上の第２送風管の内の１本と前記送風機が第１送風管で接続されているものであり、
前記送風機の送風能力が２０〜４０ｍ3／ｈであり、
前記散気部の平面形状が四角形で、前記散気部の占有面積（前記第２送風管のみで囲まれた場合を基準とする面積）（Ａ２）が５０〜１５０ｍ2であり、
前記散気体の発泡可能面積が２００〜５５０ｃｍ2／個である、散気装置を含む散気システムと、その運転方法を提供する。 The present invention is an air diffuser system including an air diffuser used in an aquaculture pond having a depth of 1 to 3 m and an area (A1) of 500 m 2 or more,
The air diffuser has a blower installed outside the aquaculture pond, a diffuser immersed in the aquaculture pond, and a first air duct connecting the blower and the diffuser. Is,
The air diffuser has four or more diffused gases and four or more second air ducts connecting the four or more diffused gases;
Furthermore, one of the four or more second air ducts of the air diffuser and the blower are connected by a first air duct,
The blowing capacity of the blower is 20 to 40 m 3 / h,
The planar shape of the air diffuser is a quadrangle, and the area occupied by the air diffuser (area based on the case surrounded only by the second air duct) (A2) is 50 to 150 m 2 .
An air diffuser system including an air diffuser, in which the foamable area of the air diffuser is 200 to 550 cm 2 / piece, and an operation method thereof are provided.

本発明の散気装置を含む散気システムによれば、広大な養殖池および面積の異なる養殖池に対して安定して曝気することができる。   According to the aeration system including the aeration apparatus of the present invention, it is possible to stably aerate a large culture pond and a culture pond having different areas.

本発明の散気装置を含む散気システムの概略図。1 is a schematic diagram of an air diffusion system including an air diffusion device of the present invention. 本発明の散気装置で使用する散気部の平面図。The top view of the aeration part used with the aeration apparatus of this invention. 本発明の散気装置で使用する散気部の別実施形態の平面図。The top view of another embodiment of the aeration part used with the aeration apparatus of this invention. 別実施形態である本発明の散気装置を含む散気システムの概略図。The schematic diagram of the aeration system containing the aeration apparatus of the present invention which is another embodiment. （ａ）は、本発明の散気装置に含まれる散気部の配置形態を示す平面図、（ｂ）は、（ａ）とは異なる散気部の配置形態を示す平面図。(A) is a top view which shows the arrangement | positioning form of the aeration part contained in the aeration apparatus of this invention, (b) is a top view which shows the arrangement | positioning form of the aeration part different from (a).

＜散気装置を含む散気システム＞
本発明の散気装置を含む散気システムは、深さが１〜３ｍ、面積（Ａ１）が５００ｍ2以上のエビ、魚などの各種水生生物の養殖池で使用するものである。
前記養殖池は、人工池および自然池のいずれでもよく、淡水、海水および汽水のいずれでもよい。 <Air diffuser system including air diffuser>
The aeration system including the aeration apparatus of the present invention is used in aquaculture ponds for various aquatic organisms such as shrimps and fish having a depth of 1 to 3 m and an area (A1) of 500 m 2 or more.
The aquaculture pond may be either an artificial pond or a natural pond, and may be any of fresh water, seawater and brackish water.

図１に示す散気装置１は、養殖池の外に設置される送風機１１と、養殖池の中に浸漬される散気部２０と、送風機１１と散気部２０を接続する第１送風管１８を有している。
第１送風管１８は、地上側から養殖池側に伸ばされた水平部（または養殖池側に下った傾斜部）１８ａと養殖池の水面上から水底側に伸ばされた垂下部（または傾斜部）１８ｂを有している。 The air diffuser 1 shown in FIG. 1 includes a blower 11 installed outside the culture pond, a diffuser 20 immersed in the culture pond, and a first blower pipe connecting the blower 11 and the diffuser 20. 18.
The first air duct 18 includes a horizontal portion (or an inclined portion that descends to the culture pond side) 18a that extends from the ground side to the culture pond side, and a hanging portion (or an inclined portion) that extends from the water surface to the bottom of the culture pond. ) 18b.

送風機１１は、流量計１２、圧力計１３、第１送風ライン１８を開閉できる第１ボールバルブ１４と合わせて一つのハウジング１０内に収容されているものでもよい。
さらにハウジング１０内には、送風機１１と第１ボールバルブ１４の間の第１送風管１８から枝分かれした排気管１９と、排気管１９に取り付けた第２ボールバルブ１５を有していてもよい。送風機１１の空気取り入れ口と排気管１９の出口は、ハウジンング１０外に伸ばされている。
第１送風管１８と排気管１９は、プラスチック管、ゴム管などを使用することができる。
送風機１１の送風能力は２０〜４０ｍ3／ｈである。 The blower 11 may be housed in one housing 10 together with the flow meter 12, the pressure gauge 13, and the first ball valve 14 that can open and close the first blower line 18.
Further, the housing 10 may have an exhaust pipe 19 branched from the first air duct 18 between the blower 11 and the first ball valve 14, and a second ball valve 15 attached to the exhaust pipe 19. The air intake port of the blower 11 and the outlet of the exhaust pipe 19 are extended outside the housing 10.
As the first blower pipe 18 and the exhaust pipe 19, a plastic pipe, a rubber pipe, or the like can be used.
The blowing capacity of the blower 11 is 20 to 40 m 3 / h.

散気部２０は、９個の散気体２１と、９個の散気体２１を接続する１０本の第２送風管２２を有している。
１０本の第２送風管２２の内の１本と第１送風管１８が接続されている。
第２送風管２２は、プラスチック管、ゴム管などを使用することができる。 The air diffuser 20 includes nine air diffusers 21 and ten second air ducts 22 that connect the nine air diffusers 21.
One of the ten second air ducts 22 and the first air duct 18 are connected.
The second blower tube 22 can be a plastic tube, a rubber tube, or the like.

図２に示すとおり、散気部２０は、全体の平面形状が第２送風管２２で囲まれた二つの長方形が組み合わされた一つの正方形となっている。
９個の散気体２１は、二つの長方形の角部と、二つの長方形の各辺の中間部に配置されている。なお、二つの長方形の角部が重複する部分は一つの散気体２１が配置されている。
散気部２０の平面形状が、三つ以上の長方形の組み合わせになったときも、それぞれの長方形の角部と、それぞれの長方形の各辺の中間部に散気体２１を配置することができる。
また図３に示すとおり、散気部２０は、全体の平面形状が第２送風管２２で囲まれた四つの正方形が組み合わされた一つの正方形となっているものでもよいし、それ以上の数の正方形の組み合わせからなるものでもよい。 As shown in FIG. 2, the air diffuser 20 is a single square in which two rectangular shapes surrounded by a second blower tube 22 are combined.
The nine diffused gases 21 are arranged at the corners of the two rectangles and at the middle of each side of the two rectangles. In addition, the one air diffused gas 21 is arrange | positioned in the part which the corner | angular part of two rectangles overlap.
Even when the planar shape of the air diffuser 20 is a combination of three or more rectangles, the air diffuser 21 can be arranged at the corners of the respective rectangles and at the intermediate portions of the sides of the respective rectangles.
Further, as shown in FIG. 3, the air diffuser 20 may be a single square formed by combining the four squares surrounded by the second air duct 22 in the overall planar shape, or more than that. It may be a combination of squares.

散気部２０の占有面積（Ａ２）は５０〜１５０ｍ2である。散気部２０の占有面積（Ａ２）は、第２送風管２２のみで囲まれた場合を基準とする面積であり、図２におけるＬ１×Ｌ２から求められる面積である。 The occupied area (A2) of the air diffuser 20 is 50 to 150 m 2 . The occupied area (A2) of the air diffuser 20 is an area based on the case surrounded by only the second air duct 22 and is an area obtained from L1 × L2 in FIG.

散気体２１は、支持体と前記支持体上に取り付けられた、散気孔を有する弾性多孔体からなるものであり、前記支持体が平板状（パネル状）、筒状（チューブ状）またはディスク状のものを使用することができる。このような散気体２１は、公知のものを使用することができる。
散気体２１の発泡可能面積は２００ｃｍ2／個〜５５０ｃｍ2／個である。
弾性多孔体は、通常の散気装置で使用されているゴム製又はエラストマー製の膜と同じものであり、例えば、特開２００６−７５７７１号公報や特開２００７−３８１９８号公報に記載された弾性多孔体と同じものを使用することができる。
ゴムまたはエラストマーとしては、エチレンプロピレンゴム(EPDM)、シリコーンゴム、ポリウレタン（ウレタンエラストマー）、クロロプレンゴム、ニトリルゴム、フッ素ゴム、パーフルオロエラストマー、ポリエステル系エラストマー、ポリアミド系エラストマー、ポリオレフィン系エラストマー、天然ゴム、またはこれらの複合体などを挙げることができる。
これらのゴムまたはエラストマーには、核材、補強充填材、顔料等の添加剤を任意に混合することができる。
ゴムメンブレンには、多数の散気孔（例えばスリット）が形成されており、散気孔の大きさは運転時の気泡径の大きさを考慮して調整することができるものであり、散気孔がスリットであるとき、幅が０．０５〜０．２ｍｍ、長さが０．５〜３．０ｍｍにすることができる。
散気孔の密度は、１万個／ｍ2〜１００万個／ｍ2が好ましい。 The diffused gas 21 is composed of a support and an elastic porous body having diffused holes attached on the support, and the support is flat (panel-shaped), cylindrical (tube-shaped), or disk-shaped. Can be used. A known thing can be used for such a diffused gas 21.
Foamable area of diffuser gas 21 is 200 cm 2 / number ~550cm 2 / number.
The elastic porous body is the same as a rubber or elastomer film used in a normal air diffuser. For example, the elastic porous body is disclosed in Japanese Patent Application Laid-Open No. 2006-75771 and Japanese Patent Application Laid-Open No. 2007-38198. The same thing as a porous body can be used.
As rubber or elastomer, ethylene propylene rubber (EPDM), silicone rubber, polyurethane (urethane elastomer), chloroprene rubber, nitrile rubber, fluorine rubber, perfluoroelastomer, polyester elastomer, polyamide elastomer, polyolefin elastomer, natural rubber, Or these composites etc. can be mentioned.
These rubbers or elastomers can be arbitrarily mixed with additives such as a core material, a reinforcing filler, and a pigment.
The rubber membrane has a large number of diffused holes (for example, slits), and the size of the diffused holes can be adjusted in consideration of the size of the bubble diameter during operation. , The width can be 0.05 to 0.2 mm and the length can be 0.5 to 3.0 mm.
The density of the air holes is preferably 10,000 / m 2 to 1,000,000 / m 2 .

前記散気体２１は、例えば、特開２０１５−８５２２７号公報に記載の散気装置用メンブレンを備えた散気装置（図１の散気装置１０、図４の散気装置１０）、特開２０１４−７３４６８号公報の散気装置用のメンブレンを備えた散気装置（請求項７、図３の散気装置１０）、特開２０１３−２２６５２５号公報の散気装置用のメンブレンを備えた散気装置（請求項５、図１の散気装置１０）、特開２０１３−１６９５２７号公報の散気装置（請求項１、図１）、特開２０１３−１２１５６９号公報（請求項１−３、図１−図６）、特開２０１３−９１０４９号公報の散気装置（特許請求の範囲および図面）などを使用することができる。
また前記散気体２１は、ダイセン・メンブレン・システムズ（株）から販売されているパネルタイプの散気装置（品名ＰＭＤ−Ｐ３００，ＰＭＤ−Ｐ３００Ｒ）、チューブタイプの散気装置〔品名ＰＭＤ−Ｔ０６（６１０Ｌ，７６２Ｌ）、ＰＭＤ−Ｔ１０６Ｓ（５００Ｌ，１０００Ｌ）、ディスクタイプの散気装置（品名ＰＭＤ−Ｄ０９，ＰＭＤ−Ｄ１２）などを使用することもできる。 The air diffuser 21 is, for example, an air diffuser (air diffuser 10 in FIG. 1, air diffuser 10 in FIG. 4) provided with a membrane for an air diffuser described in JP-A-2015-85227; A diffuser provided with a membrane for a diffuser of JP-A-73468 (Claim 7, diffuser 10 of FIG. 3), and a diffuser provided with a membrane for a diffuser of JP2013-226525A Apparatus (Claim 5, Aeration apparatus 10 in FIG. 1), Aeration apparatus (Claim 1, FIG. 1) in Japanese Patent Laid-Open No. 2013-169527, Japanese Patent Laid-Open No. 2013-121568 (Claim 1-3, FIG. 1-FIG. 6), the diffuser (a claim and drawing) of Unexamined-Japanese-Patent No. 2013-91049, etc. can be used.
The diffused gas 21 is a panel-type diffuser (product names PMD-P300, PMD-P300R) and a tube-type diffuser [product name PMD-T06 (610L) sold by Daisen Membrane Systems Co., Ltd. 762L), PMD-T106S (500L, 1000L), a disk-type air diffuser (product names PMD-D09, PMD-D12), and the like.

本発明の散気システムは、複数の散気装置１の組み合わせからなるものである。
散気装置１の合計数は、Ａ１／Ａ２から求められる数を最大数として、それ以下の数である。
散気部２０は、養殖池の形状に応じて、占有面積（Ａ２）が同じものと異なるものの組み合わせからなるものにすることができる。例えば、養殖池にＡ２が１００ｍ2の散気部２０を有する散気装置１を５個配置したあとで、残ったスペースに５０ｍ2の散気部２０を有する散気装置１を配置することもできる。
また複数の散気装置１を組み合わせて使用するときは、例えば、二つの散気装置１にて一つの送風機１１を使用することもできる。このような場合には、送風機１１として送風能力が４０〜８０ｍ3／ｈのものを使用し、第１送風管１８として先端が二叉に分かれたものを使用して、１本の第１送風管１８から二つの散気部２０に送風できるようにする。 The air diffusion system of the present invention is a combination of a plurality of air diffusion devices 1.
The total number of diffusers 1 is a number less than that, with the maximum number being determined from A1 / A2.
The air diffuser 20 can be made of a combination of the same and different occupation areas (A2) depending on the shape of the culture pond. For example, after five aeration devices 1 having an aeration unit 20 with A2 of 100 m 2 are arranged in the aquaculture pond, the aeration device 1 having an aeration unit 20 of 50 m 2 may be arranged in the remaining space. it can.
Further, when a plurality of air diffusers 1 are used in combination, for example, one air blower 11 can be used with two air diffusers 1. In such a case, a blower 11 having a blowing capacity of 40 to 80 m 3 / h is used, and a first blower pipe 18 having a bifurcated tip is used as one first blower. Air can be blown from the pipe 18 to the two air diffusers 20.

本発明の散気システムは、図４に示すとおり、散気装置１と発電装置３０を組み合わせたものにすることができる。
発電装置３０は、ハウジング１０内の送風機１１とリードワイヤ３１を介して電気的に接続されている。
本発明の散気システムは、電源として化石燃料を使用した発電の電源のほか、太陽光発電装置、風力発電装置などの再生可能エネルギーを利用した発電装置を組み合わせて使用することもできる。 The air diffusion system of the present invention can be a combination of the air diffusion device 1 and the power generation device 30 as shown in FIG.
The power generation device 30 is electrically connected to the blower 11 in the housing 10 via a lead wire 31.
The aeration system of the present invention can be used in combination with a power generation device using fossil fuel as a power source, or a power generation device using renewable energy such as a solar power generation device or a wind power generation device.

＜散気装置を含む散気システムの運転方法＞
次に、図１、図４、図５により複数の散気装置１を含む散気システムの運転方法を説明する。
散気装置１は、散気部２０が養殖池５０の底部５１に配置され、第１送風管１８の垂下部１８ｂの一部も養殖池（深さ１〜３ｍ）５０内に浸漬されている。 <Operation method of air diffuser system including air diffuser>
Next, an operation method of the air diffusion system including the plurality of air diffusion devices 1 will be described with reference to FIGS.
In the air diffuser 1, the air diffuser 20 is disposed at the bottom 51 of the culture pond 50, and a part of the hanging part 18 b of the first air duct 18 is also immersed in the culture pond (depth 1 to 3 m) 50. .

複数の散気部２０の配置形態は、
隣接する散気部２０（散気体２１）同士が接触して配置された第１配置形態（図５（ａ））、
隣接する散気部２０（散気体２１）同士が短い間隔をおいて配置された第２配置形態、
一つの散気部２０の散気体２１が隣接する散気部２０の第２送風管２２の中間位置付近になるように組み合わされた配置された第３配置形態（図５（ｂ））、
隣接する散気部２０（散気体２１）と第２送風管２２が重なり合って配置された第４配置形態のいずれの配置形態でもよいし、各配置形態が混在された形態でもよい。
図５（ａ）に示す第１配置形態の場合には、隣接する散気部２０の間に隙間２５が生じてしまい、第２配置形態の場合には前記隙間２５がより大きくなる。
図５（ｂ）に示す第３配置形態の場合には、前記隙間２５が第１配置形態よりも小さくなり、第４配置形態の場合には、前記隙間２５がさらに小さくなる。
また、散気部２０は、養殖池５０の底部５１に沿って配置されるものであるが、一部が養殖池５０の側面部５２に沿って配置されていてもよい。 The arrangement form of the plurality of air diffusers 20 is
1st arrangement | positioning form (FIG.5 (a)) by which the adjacent air diffused part 20 (air diffused gas 21) contacted and is arrange | positioned,
2nd arrangement | positioning form by which the adjacent air diffused part 20 (air diffused gas 21) was arrange | positioned at short intervals,
A third arrangement form (FIG. 5B) arranged in combination so that the diffused gas 21 of one diffuser 20 is near the middle position of the second air duct 22 of the adjacent diffuser 20,
Any arrangement form of the fourth arrangement form in which the adjacent air diffuser 20 (air diffused gas 21) and the second blower pipe 22 are arranged so as to overlap each other may be used.
In the case of the first arrangement form shown in FIG. 5A, a gap 25 is generated between the adjacent air diffusers 20, and in the case of the second arrangement form, the gap 25 becomes larger.
In the case of the 3rd arrangement form shown in Drawing 5 (b), the above-mentioned gap 25 becomes smaller than the 1st arrangement form, and in the case of the 4th arrangement form, the above-mentioned gap 25 becomes still smaller.
Moreover, although the aeration part 20 is arrange | positioned along the bottom part 51 of the culture pond 50, a part may be arrange | positioned along the side part 52 of the culture pond 50.

送風機１１などが収容されたハウジング１０と発電機３０は地上（陸地）６０側に配置されている。
送風機１１から第１送風管１８と第２送風管２２を経て散気体２１に対して２０〜４０ｍ3／ｈで送風する。このとき、送風機１１の電源は発電装置３０を使用している。
空気が供給された散気体２１から、気泡径０．５〜２ｍｍの気泡を発生させることで養殖池５０内を曝気する。 The housing 10 in which the blower 11 and the like are accommodated and the generator 30 are arranged on the ground (land) 60 side.
Air is blown at 20 to 40 m 3 / h from the blower 11 through the first blower pipe 18 and the second blower pipe 22 to the diffused gas 21. At this time, the power source of the blower 11 uses the power generator 30.
The inside of the culture pond 50 is aerated by generating bubbles having a bubble diameter of 0.5 to 2 mm from the diffused gas 21 supplied with air.

散気運転中は、第１ボールバルブ１４は開けて、排気管１９の第２ボールバルブ１５は閉じておく。
散気運転を停止するときは、送風機１１を停止して、第１ボールバルブ１４を閉じる。このとき、送風機１１から第１ボールバルブ１４間に残った空気は、第２ボールバルブ１５を開けて排気管１９から排気する。 During the aeration operation, the first ball valve 14 is opened and the second ball valve 15 of the exhaust pipe 19 is closed.
When stopping the aeration operation, the blower 11 is stopped and the first ball valve 14 is closed. At this time, the air remaining between the blower 11 and the first ball valve 14 is exhausted from the exhaust pipe 19 by opening the second ball valve 15.

実施例１（散気システムと運転方法）
平面形状が正方形に近い形状のエビ（ブラックタイガー）の養殖池（深さ約２ｍ、面積Ａ１約1100ｍ2）において、図１に示す散気装置１を合計で１０台備えた散気システムを適用した。 Example 1 (Aeration system and operation method)
In a shrimp (black tiger) aquaculture pond (depth about 2m, area A1 about 1100m 2 ) with a planar shape close to a square, an air diffusion system with a total of 10 air diffusers 1 shown in Fig. 1 is applied. did.

１台の散気装置１の詳細は、次のとおりである。
送風機１１：送風能力３０ｍ3／ｈ
第１送風管１８：ポリ塩化ビニル製のパイプ（内径３１ｍｍ，外径３８ｍｍ，水平部長さ約４ｍ、垂下部長さ約３ｍ）
第２送風管２２：ポリ塩化ビニル製のパイプ（内径２５ｍｍ，外径３２ｍｍ）
散気体２１：ダイセン・メンブレン・システムズ（株）のＰＭＤ−Ｄ０９
（外径２６７ｍｍ，発泡面積３７５ｃｍ2／個，ゴムメンブレンの材質（ＰＴＦＥ／ＥＰＤＭの複合体），質量１．０ｋｇ／個）
散気部２０の占有面積Ａ２：１００ｍ2（１０ｍ×１０ｍ） The details of one air diffuser 1 are as follows.
Blower 11: Blowing capacity 30m 3 / h
First air duct 18: PVC pipe (inner diameter 31 mm, outer diameter 38 mm, horizontal part length approximately 4 m, drooping part length approximately 3 m)
Second air duct 22: polyvinyl chloride pipe (inner diameter 25 mm, outer diameter 32 mm)
Air diffuser 21: PMD-D09 of Daisen Membrane Systems Co., Ltd.
(Outer diameter 267 mm, foaming area 375 cm 2 / piece, rubber membrane material (PTFE / EPDM composite), mass 1.0 kg / piece)
Occupied area A2 of the air diffuser 20: 100 m 2 (10 m × 10 m)

第１ボールバルブ１４を開け、第２ボールバブル１５を閉じた状態にて、送風機１１から空気を供給した。
空気は第１送風管１８から第２送風管２２を経て、合計で９個の散気体２１まで供給して、養殖池５０内に０．５〜２ｍｍの気泡を連続的に発生させて曝気した。 Air was supplied from the blower 11 with the first ball valve 14 opened and the second ball bubble 15 closed.
The air was supplied from the first blower pipe 18 through the second blower pipe 22 to a total of nine diffused gases 21, and 0.5 to 2 mm bubbles were continuously generated in the culture pond 50 and aerated. .

本発明の散気システムとその運転方法は、水生生物の養殖池の曝気用として利用することができる。   The aeration system and operating method of the present invention can be used for aeration of aquatic ponds.

１ 散気装置
１１ 送風機
１８ 第１送風管
２０ 散気部
２１ 散気体
２２ 第２送風管
３０ 発電装置
５０ 養殖池 DESCRIPTION OF SYMBOLS 1 Air diffuser 11 Blower 18 1st air duct 20 Air diffuser 21 Air diffuser 22 2nd air duct 30 Power generator 50 Culture pond

特開２０１１−１３０６８５号公報JP 2011-130585 A 特開２００４−２６１００８号公報JP 2004-261008 A 特開２００２−１１９１６９号公報JP 2002-119169 A

Claims (5)

深さが１〜３ｍ、面積（Ａ１）が５００ｍ2以上の水生生物の養殖池で使用する散気装置を含む散気システムであって、
前記散気装置が、前記養殖池の外に設置される送風機と、前記養殖池の中に浸漬される散気部と、前記送風機と前記散気部を接続する第１送風管を有しているものであり、
前記散気部が、４以上の散気体と、前記４以上の散気体を接続する４本以上の第２送風管を有しており、
さらに前記散気部の前記４本以上の第２送風管の内の１本と前記送風機が第１送風管で接続されているものであり、
前記送風機の送風能力が２０〜４０ｍ3／ｈであり、
前記散気部の平面形状が四角形で、前記散気部の占有面積（前記第２送風管のみで囲まれた場合を基準とする面積）（Ａ２）が５０〜１５０ｍ2であり、
前記散気体の発泡可能面積が２００〜５５０ｃｍ2／個である、散気装置を含む散気システム。 An aeration system including an aeration device used in an aquatic aquaculture pond having a depth of 1 to 3 m and an area (A1) of 500 m 2 or more,
The air diffuser has a blower installed outside the aquaculture pond, a diffuser immersed in the aquaculture pond, and a first air duct connecting the blower and the diffuser. Is,
The air diffuser has four or more diffused gases and four or more second air ducts connecting the four or more diffused gases;
Furthermore, one of the four or more second air ducts of the air diffuser and the blower are connected by a first air duct,
The blowing capacity of the blower is 20 to 40 m 3 / h,
The planar shape of the air diffuser is a quadrangle, and the area occupied by the air diffuser (area based on the case surrounded only by the second air duct) (A2) is 50 to 150 m 2 .
An air diffuser system including an air diffuser, wherein the foamable area of the air diffuser is 200 to 550 cm 2 / piece. 前記散気システムが、前記散気装置がＡ１／Ａ２から求められる数を最大数として組み合わされたものであり、
前記散気装置の散気部が、占有面積が同じものと異なるものの組み合わせからなるものである、請求項１記載の散気装置を含む散気システム。 The air diffusion system is a combination of the number of air diffusers obtained from A1 / A2 with the maximum number as the air diffuser.
The air diffuser system including the air diffuser according to claim 1, wherein the air diffuser of the air diffuser is a combination of the same and different occupation areas. 前記散気部の平面形状が、第２送風管で囲まれた２以上の四角形からなるものであり、
前記散気体が、前記四角形の角部または前記四角形の各辺の中間部に配置されているものである、請求項１または２記載の散気装置を含む散気システム。 The planar shape of the air diffuser is composed of two or more squares surrounded by a second air duct,
The air diffuser system including the air diffuser according to claim 1, wherein the air diffuser is disposed at a corner of the quadrangle or an intermediate part of each side of the quadrangle. 前記散気体が、支持体と前記支持体上に取り付けられた、散気孔を有する弾性多孔体からなるものであり、前記支持体が平板状または筒状のものである、請求項１〜３のいずれか１項記載の散気装置を含む散気システム。   The said diffused gas consists of an elastic porous body which has a diffused hole attached to the support body and the said support body, The said support body is a flat form or a cylindrical thing, The Claims 1-3. An air diffuser system including the air diffuser according to claim 1. 請求項１〜４のいずれか１項記載の散気装置を含む散気システムの運転方法であって、
送風機から第１送風管と第２送風管を経て散気体に対して２０〜４０ｍ3／ｈで送風して、前記散気体から気泡径０．５〜２ｍｍの気泡を発生させる、散気システムの運転方法。 An operation method of an air diffusion system including the air diffuser according to any one of claims 1 to 4,
An air diffuser system that blows air from a blower through a first air duct and a second air duct at a rate of 20 to 40 m 3 / h with respect to the diffused gas to generate bubbles having a bubble diameter of 0.5 to 2 mm from the diffused gas. how to drive.
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