JPH0278061U - - Google Patents

Info

Publication number
JPH0278061U
JPH0278061U JP1988158503U JP15850388U JPH0278061U JP H0278061 U JPH0278061 U JP H0278061U JP 1988158503 U JP1988158503 U JP 1988158503U JP 15850388 U JP15850388 U JP 15850388U JP H0278061 U JPH0278061 U JP H0278061U
Authority
JP
Japan
Prior art keywords
shaped structure
hollow box
water
oxygen
tide
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.)
Granted
Application number
JP1988158503U
Other languages
Japanese (ja)
Other versions
JPH0621332Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1988158503U priority Critical patent/JPH0621332Y2/en
Publication of JPH0278061U publication Critical patent/JPH0278061U/ja
Application granted granted Critical
Publication of JPH0621332Y2 publication Critical patent/JPH0621332Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81—Aquaculture, e.g. of fish

Landscapes

  • Farming Of Fish And Shellfish (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図および第２図はこの考案の第１実施例を
示すものであつて、第１図は貧酸素水塊発生防止
装置の縦断側面図、第２図は開閉用駆動装置によ
る開閉弁の昇降移動装置を示す縦断側面図である
。第３図はこの考案の第２実施例に係る貧酸素水
塊発生防止装置を示す縦断側面図、第４図および
第５図はこの考案の第３実施例を示すものであつ
て、第４図は貧酸素水塊発生防止装置の縦断側面
図、第５図は取水部および排水部を拡大して示す
縦断側面図である。第６図は中空箱形構造物の全
側壁に取排水管を設けた例を示す横断平面図であ
る。 図において、１は中空箱形構造物、２は満潮時
の水位、３は側壁、４は取排水口、５は開閉弁、
６は取水口、８は干潮時の水位、９は取水許容排
水防止用逆止弁、１０は排水口、１１は排水許容
逆止弁、１３は取排水管、１６は通気孔、１７は
開閉用操作杆、１９は開閉用駆動装置、２０はガ
イドローラ、２２はピニオン、２３はラツク、２
５は安全柵、２６は埋込み支持部材、２７は可撓
性連結部材、２８は係留索、２９は取水管である
。 Figures 1 and 2 show the first embodiment of this invention, in which Figure 1 is a vertical sectional side view of the device for preventing the generation of oxygen-deficient water bodies, and Figure 2 is a side view of the opening/closing valve operated by the opening/closing drive device. FIG. 3 is a longitudinal side view showing the elevating and lowering moving device. FIG. 3 is a longitudinal sectional side view showing an oxygen-poor water mass generation prevention device according to a second embodiment of this invention, and FIGS. 4 and 5 show a third embodiment of this invention. The figure is a longitudinal side view of the oxygen-poor water mass generation prevention device, and FIG. 5 is a longitudinal side view showing an enlarged view of the water intake section and the drainage section. FIG. 6 is a cross-sectional plan view showing an example in which intake and drain pipes are provided on all side walls of a hollow box-shaped structure. In the figure, 1 is a hollow box-shaped structure, 2 is the water level at high tide, 3 is a side wall, 4 is an intake port, 5 is an on-off valve,
6 is a water intake port, 8 is a water level at low tide, 9 is a check valve for preventing water intake, 10 is a drain port, 11 is a check valve for allowing drainage, 13 is an intake pipe, 16 is a ventilation hole, 17 is an opening/closing valve 19 is an opening/closing drive device, 20 is a guide roller, 22 is a pinion, 23 is a rack, 2
5 is a safety fence, 26 is an embedded support member, 27 is a flexible connecting member, 28 is a mooring cable, and 29 is a water intake pipe.

Claims (1)

【実用新案登録請求の範囲】 (1) 中空箱形構造物１が貧酸素水塊発生予想場
所に設置されると共に、その中空箱形構造物１の
上部が満潮時の水面２よりも上方に配置され、前
記中空箱形構造物１における側壁３の下部に設け
られた取排水口４に、干潮時から満潮時に達する
までの間および干潮時にのみ開放される開閉弁５
が設けられている貧酸素水塊発生防止装置。 (2) 中空箱形構造物１が貧酸素水塊発生予想場
所に設置されると共に、その中空箱形構造物１の
上部が満潮時の水面２よりも上方に配置され、前
記中空箱形構造物１における側壁３の下部に設け
られた取水口６に、取水許容排水防止用逆止弁９
が設けられ、前記側壁３に、満潮時の水位２より
下方の位置において排水口１０が設けられている
貧酸素水塊発生防止装置。[Scope of Claim for Utility Model Registration] (1) A hollow box-shaped structure 1 is installed at a location where an oxygen-poor water mass is expected to occur, and the upper part of the hollow box-shaped structure 1 is located above the water surface 2 at high tide. An on-off valve 5 is arranged at the intake port 4 provided at the lower part of the side wall 3 of the hollow box-shaped structure 1 and is opened from low tide to high tide and only at low tide.
A device for preventing the generation of oxygen-poor water bodies. (2) A hollow box-shaped structure 1 is installed at a location where an oxygen-poor water mass is expected to occur, and the upper part of the hollow box-shaped structure 1 is placed above the water surface 2 at high tide, and the hollow box-shaped structure 1 A water intake port 6 provided at the lower part of the side wall 3 of the object 1 is provided with a check valve 9 for preventing water intake and drainage.
is provided, and a drain port 10 is provided in the side wall 3 at a position below the water level 2 at high tide.
JP1988158503U 1988-12-07 1988-12-07 Oxygen lump prevention device Expired - Fee Related JPH0621332Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988158503U JPH0621332Y2 (en) 1988-12-07 1988-12-07 Oxygen lump prevention device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988158503U JPH0621332Y2 (en) 1988-12-07 1988-12-07 Oxygen lump prevention device

Publications (2)

Publication Number Publication Date
JPH0278061U true JPH0278061U (en) 1990-06-15
JPH0621332Y2 JPH0621332Y2 (en) 1994-06-08

Family

ID=31438892

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988158503U Expired - Fee Related JPH0621332Y2 (en) 1988-12-07 1988-12-07 Oxygen lump prevention device

Country Status (1)

Country Link
JP (1) JPH0621332Y2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54111029A (en) * 1978-02-20 1979-08-31 Mitsuo Mukouno Surge air compressor
JPS5550831A (en) * 1978-10-11 1980-04-14 Ikushima Zouki Kk Method and apparatus forpreventing lack of oxygen of fishes * shellfishes and the like in cultivation fishery

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54111029A (en) * 1978-02-20 1979-08-31 Mitsuo Mukouno Surge air compressor
JPS5550831A (en) * 1978-10-11 1980-04-14 Ikushima Zouki Kk Method and apparatus forpreventing lack of oxygen of fishes * shellfishes and the like in cultivation fishery

Also Published As

Publication number Publication date
JPH0621332Y2 (en) 1994-06-08

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees