CN212149209U - Anti-splashing ventilating device for oil tank of large bulk carrier - Google Patents
Anti-splashing ventilating device for oil tank of large bulk carrier Download PDFInfo
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- CN212149209U CN212149209U CN202020320345.6U CN202020320345U CN212149209U CN 212149209 U CN212149209 U CN 212149209U CN 202020320345 U CN202020320345 U CN 202020320345U CN 212149209 U CN212149209 U CN 212149209U
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- connecting pipe
- pipe
- oil tank
- upper connecting
- splashing
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Abstract
The utility model relates to a boats and ships field provides a large-scale bulk cargo ship oil tank prevents ventilative device that splashes, through the combination of preventing splash structure and ventilative cap, satisfying ventilative condition, prevents that splash structure keeps off the oil that splashes out and is flowed back, avoids the spill. The anti-splashing structure is compact, the processing is convenient and the effect is good. Through the calculation to permeability cell pipe diameter, ensure to fully breathe freely. The anti-splashing device of the technical scheme realizes that the oil tank can normally ventilate in any state of the ship and oil can not splash, thereby achieving the purpose of safe navigation of the ship.
Description
Technical Field
The utility model relates to a boats and ships field, concretely relates to large-scale bulk cargo ship oil tank prevents ventilative device that splashes.
Background
When the ship is sailing, the ship often reaches 22.5 degrees of transverse inclination, 10 degrees of head-to-tail trim or any combination of inclination angles within the ranges. For a large bulk cargo ship, the volume of a fuel storage tank of the bulk cargo ship is very large and can reach about 800 cubes. These large fuel storage tanks run the risk of oil spilling out of the breather cap when the vessel is in great roll angles.
Disclosure of Invention
For the problem that splashes of the oil that the ventilative device structure of boats and ships oil tank air pipe leads to among the solution prior art, the utility model aims to provide a compact structure, prevent the novel ventilative device of oil tank of large-scale bulk cargo ship effectual that splashes.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
the anti-splashing ventilating device comprises a ventilating channel consisting of a ventilating pipe, an anti-splashing structure and a ventilating cap, wherein the ventilating pipe is arranged at the top of the oil tank and communicated with the oil tank; a buffer baffle is arranged in the shell, the buffer baffle is arranged right above the lower connecting pipe through a bracket, and the bracket is welded and connected to the inner wall of the shell; the top of the top plate is provided with an upper connecting pipe, the upper connecting pipe extends into the shell, the extending end of the upper connecting pipe is sealed, and the side wall of the extending end of the upper connecting pipe is provided with an air hole; the top end of the upper connecting pipe is connected with the ventilating cap.
Furthermore, the breathable cap comprises a vertical tube, the top of the vertical tube is covered with a cap body, the top of the vertical tube is connected with the inner wall of the cap body in a welding mode through a supporting plate, and the bottom of the vertical tube is connected with an upper connecting tube through a flange.
Furthermore, the ventilation cap, the upper connecting pipe, the shell and the lower ventilation pipe are coaxially arranged.
Further, the area of the buffer baffle is larger than the sectional area of the lower connecting pipe.
Still further, the cross-sectional area of the vent pipe is 1.25 times of that of the oil tank injection pipe.
After taking above technical scheme, the beneficial effects of the utility model are that: this technical scheme simple structure, through the combination of preventing the structure that splashes and ventilative cap, satisfying ventilative condition, the oil that the structure that prevents splashes keeps off the splash and is flowed back, avoids the spill. The anti-splashing structure is compact, the processing is convenient and the effect is good. Through the calculation to permeability cell pipe diameter, ensure to fully breathe freely.
The anti-splashing device of the technical scheme realizes that the oil tank can normally ventilate in any state of the ship and oil can not splash, thereby achieving the purpose of safe navigation of the ship.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the splash guard;
fig. 3 is a cross-sectional view of the breathable cap.
Detailed Description
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings:
as shown in fig. 1, the anti-splash ventilating device for the oil tank of the large bulk cargo ship consists of a ventilating pipe 1, an anti-splash structure 2 and a ventilating cap 3. The permeability cell 1 is installed at the oil tank top and UNICOM oil tank for oil tank UNICOM outside air avoids forming the vacuum at the oil consumption, or is the too big of oil tank internal pressure at the oiling. The cross section area of the vent pipe 1 is 1.25 times of that of the oil tank injection pipe, so that the best ventilation effect can be ensured.
The shell of the anti-splashing structure 2 is a cylindrical shell 21, the upper end face and the lower end face of the shell 21 are welded with a top plate 22 and a bottom plate 23 to form a sealed cavity, a lower connecting pipe 25 is installed at the center of the bottom plate 23, the lower connecting pipe 25 is connected with the vent pipe 1 through a flange, and a sealing ring is installed at the joint to avoid leakage. A circular buffer baffle 26 is installed in the shell 21, the buffer baffle 26 is supported in the inner cavity of the shell 21 through a bracket parallel 27 in a welding mode, the buffer baffle 26 is located above the lower connecting pipe 25, and the area of the buffer baffle is far larger than the cross section of the lower connecting pipe. An upper connecting pipe 24 is welded at the center of the top plate 22, the lower end of the upper connecting pipe 24 is suspended above a buffer baffle 26, the bottom of the extending end of the upper connecting pipe 24 is sealed, and a plurality of air holes 27 are formed in the side wall of the extending end; not only can the ventilation purpose be achieved, but also the oil can be prevented from directly entering the upper connecting pipe 24.
The ventilation cap 3 is arranged on the end surface of the upper connecting pipe 24 through a flange, and a sealing ring is arranged at the joint to avoid leakage. The ventilation cap consists of a vertical pipe 31 and a cap body 32, and the top of the vertical pipe 31 is connected with the inner wall of the cap body 32 through a support plate 33 in a welding mode. The gas in the oil tank is discharged from the vertical pipe 31, enters the cap body 32 and is discharged from the bottom of the cap body 32.
The working principle of the device is as follows: the gas in the oil tank sequentially enters the anti-splashing structure 2 through the vent pipe 1, enters the upper vent pipe 24 through the vent holes 27 of the upper connecting pipe 24, is discharged into the vent cap 3, and is finally discharged from the bottom of the vent cap 3. When oil splashes, the oil enters the anti-splashing structure 2 and is blocked by the buffer baffle 26 to flow back to the oil tank, after a small part of the oil crosses the buffer baffle 26, the oil is difficult to enter the upper connecting pipe 24 and flow back due to the small air holes, and the oil entering the upper connecting pipe 24 in a small amount cannot splash out of the air-permeable cap 3 due to the lengths of the upper connecting pipe 24 and the vertical pipe 31.
Claims (5)
1. The anti-splashing ventilating device is characterized in that the anti-splashing structure comprises a shell, the shell is formed by welding a bottom plate, a top plate and side plates, the bottom of the bottom plate is provided with a lower connecting pipe, and the lower connecting pipe is connected with the ventilating pipe; a buffer baffle is arranged in the shell, the buffer baffle is arranged right above the lower connecting pipe through a bracket, and the bracket is welded and connected to the inner wall of the shell; the top of the top plate is provided with an upper connecting pipe, the upper connecting pipe extends into the shell, the extending end of the upper connecting pipe is sealed, and the side wall of the extending end of the upper connecting pipe is provided with an air hole; the top end of the upper connecting pipe is connected with the ventilating cap.
2. The anti-splashing ventilating device for the oil tank of the large bulk carrier as claimed in claim 1, wherein the ventilating cap comprises a vertical pipe, the top of the vertical pipe is covered with a cap body, the top of the vertical pipe is welded with the inner wall of the cap body through a supporting plate, and the bottom of the vertical pipe is connected with the upper connecting pipe through a flange.
3. The anti-splash ventilation device for the oil tank of the large bulk carrier as claimed in claim 1, wherein the ventilation cap, the upper connecting pipe, the shell and the lower ventilation pipe are coaxially arranged.
4. The anti-splash ventilating device for the oil tank of the large bulk carrier as claimed in claim 1, wherein the area of the buffering baffle plate is larger than the sectional area of the lower connecting pipe.
5. The anti-splash ventilating device for the oil tank of the large bulk carrier according to claim 1, wherein the cross-sectional area of the ventilating pipe is 1.25 times that of the injection pipe of the oil tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020320345.6U CN212149209U (en) | 2020-03-16 | 2020-03-16 | Anti-splashing ventilating device for oil tank of large bulk carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020320345.6U CN212149209U (en) | 2020-03-16 | 2020-03-16 | Anti-splashing ventilating device for oil tank of large bulk carrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212149209U true CN212149209U (en) | 2020-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020320345.6U Active CN212149209U (en) | 2020-03-16 | 2020-03-16 | Anti-splashing ventilating device for oil tank of large bulk carrier |
Country Status (1)
| Country | Link |
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| CN (1) | CN212149209U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113978624A (en) * | 2021-11-19 | 2022-01-28 | 扬州中远海运重工有限公司 | Oil tank oil spilling buffer device with recovery function |
-
2020
- 2020-03-16 CN CN202020320345.6U patent/CN212149209U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113978624A (en) * | 2021-11-19 | 2022-01-28 | 扬州中远海运重工有限公司 | Oil tank oil spilling buffer device with recovery function |
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