JPH02107592U - - Google Patents
Info
- Publication number
- JPH02107592U JPH02107592U JP1648589U JP1648589U JPH02107592U JP H02107592 U JPH02107592 U JP H02107592U JP 1648589 U JP1648589 U JP 1648589U JP 1648589 U JP1648589 U JP 1648589U JP H02107592 U JPH02107592 U JP H02107592U
- Authority
- JP
- Japan
- Prior art keywords
- tank
- ballast
- air vent
- vent pipe
- water level
- 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 11
Landscapes
- Details Of Rigid Or Semi-Rigid Containers (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Description
第１図は本考案の一実施例でバラストタンク内
のバラスト水が膨張した場合を示す部分断面図、
第２図は第１図のバラストタンク内のバラスト水
が収縮した場合を示す同じく部分断面図である。
第３図は公知の大型タンカーのタンク配置を示す
断面図、第４図、第５図はそれぞれ第３図の空気
抜管内のバラスト水が膨張した場合、その後収縮
した場合を示す部分断面図である。
１……バラスト水位確保タンク、２……支柱、
３……空気抜管、４……連通管、０７……バラス
トタンク、０１０……バラスト水、０１１……上
甲板、０１２……空気抜管、Ａ……断面積、Ａｔ
……水平断面積、Ｈ……規定水位、Ｈｒ……余裕
高さ、Ｈｔ……空気抜管の溢流レベル、ΔＨ……
水位低下。
FIG. 1 is a partial sectional view showing a case where ballast water in a ballast tank expands in an embodiment of the present invention;
FIG. 2 is a partial sectional view similar to that of FIG. 1, showing a case where the ballast water in the ballast tank is contracted.
Figure 3 is a cross-sectional view showing the tank arrangement of a known large tanker, and Figures 4 and 5 are partial cross-sectional views showing the case where the ballast water in the air vent pipe of Figure 3 expands and then contracts. be. 1... Ballast water level securing tank, 2... Support column,
3... Air vent pipe, 4... Communication pipe, 07... Ballast tank, 010... Ballast water, 011... Upper deck, 012... Air vent pipe, A... Cross-sectional area, At
...Horizontal cross-sectional area, H...Specified water level, Hr...Marginal height, Ht...Overflow level of air vent pipe, ΔH...
Water level drops.
Claims (1)
タンクとが並設され同バラストタンクの上端に小
断面の空気抜管が突設されているタンカーにおい
て、底板がほぼ上記空気抜管のバラスト水の規定
水位レベルにあり、上記バラストタンクに連通し
頂板が上記空気抜管の溢流レベルとほぼ同一レベ
ルにあるバラスト水位確保タンクと、上記バラス
ト水位確保タンクの上端に突設された空気抜管と
を具えたことを特徴とするタンカーのバラストタ
ンク構造。 In a tanker in which a cargo oil tank and a ballast tank are installed side by side through a bulkhead under the upper deck, and an air vent pipe with a small cross section is protruded from the upper end of the ballast tank, the bottom plate is approximately equal to the ballast water regulation of the air vent pipe. A ballast water level securing tank that is located at a water level and communicates with the ballast tank and has a top plate that is approximately at the same level as the overflow level of the air vent pipe, and an air vent pipe that protrudes from the upper end of the ballast water level securing tank. A tanker ballast tank structure characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1648589U JPH0649509Y2 (en) | 1989-02-15 | 1989-02-15 | Tanker ballast tank structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1648589U JPH0649509Y2 (en) | 1989-02-15 | 1989-02-15 | Tanker ballast tank structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02107592U true JPH02107592U (en) | 1990-08-27 |
| JPH0649509Y2 JPH0649509Y2 (en) | 1994-12-14 |
Family
ID=31229464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1648589U Expired - Lifetime JPH0649509Y2 (en) | 1989-02-15 | 1989-02-15 | Tanker ballast tank structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0649509Y2 (en) |
-
1989
- 1989-02-15 JP JP1648589U patent/JPH0649509Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0649509Y2 (en) | 1994-12-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |