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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 230000002265 prevention Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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
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)
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.
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)
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 |
-
1988
- 1988-12-07 JP JP1988158503U patent/JPH0621332Y2/en not_active Expired - Fee Related
Patent Citations (2)
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 |