CN115092317A - Ventilation system for oil tank of ship - Google Patents
Ventilation system for oil tank of ship Download PDFInfo
- Publication number
- CN115092317A CN115092317A CN202210838941.7A CN202210838941A CN115092317A CN 115092317 A CN115092317 A CN 115092317A CN 202210838941 A CN202210838941 A CN 202210838941A CN 115092317 A CN115092317 A CN 115092317A
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- CN
- China
- Prior art keywords
- pipe
- gas collecting
- ventilation
- collecting pipe
- oil tank
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
- B63B17/0027—Tanks for fuel or the like ; Accessories therefor, e.g. tank filler caps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B11/00—Interior subdivision of hulls
- B63B11/04—Constructional features of bunkers, e.g. structural fuel tanks, or ballast tanks, e.g. with elastic walls
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention relates to the technical field of ventilation of ship oil tanks, in particular to a ventilation system of a ship oil tank, which comprises gas collecting pipes which are obliquely arranged up and down, wherein the higher end of each gas collecting pipe is connected with a main ventilation pipe which extends upwards, and the upper end of each main ventilation pipe extends to the upper part of a deck; the lower end of the gas collecting pipe is connected with a waste oil discharge pipe; each oil tank is connected with a gas-permeable branch pipe, the lower end of each gas-permeable branch pipe is communicated with the corresponding inner cavity of the oil tank, the upper end of each gas-permeable pipe is communicated with the inner cavity of the gas collecting pipe, the inner cavity of each oil tank can be communicated with the outside through the gas collecting pipe and the gas-permeable main pipe, and oil stain remained in the gas collecting pipe can flow from the higher end to the lower end and is finally discharged out of the gas collecting pipe through the discharge pipe, so that the gas collecting pipe is convenient to clean and maintain; therefore, according to the ship oil tank ventilation system, only the upper end of the ventilation main pipe protrudes out of the deck, so that a plurality of ventilation pipes are prevented from protruding out of the upper part of the deck, and the utilization of the space above the deck is facilitated.
Description
Technical Field
The invention relates to the technical field of ventilation of ship oil tanks, in particular to a ventilation system of a ship oil tank.
Background
For various oil tanks on a ship, including a fuel oil tank, a lubricating oil tank, a sump oil tank and main and auxiliary engine crank cases, the pressure in the oil tank can change along with the change of the external temperature and the oil filling speed of an oil inlet pipe, and in order to prevent the pressure of the oil tank from exceeding the designed pressure, an oil tank vent pipe needs to be arranged, and the upper end of the oil tank vent pipe needs to extend to an open place above a freeboard deck. The oil hold that the cabin region was arranged is more, and at present, the permeability cell is all installed to every oil hold, and the upper end of each permeability cell all protrudes in the deck, is unfavorable for the utilization in deck upper portion space.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the permeability cell is all installed to the permeability cell of every oil hold, and the upper end of each permeability cell all protrudes in the deck, is unfavorable for the utilization in deck upper portion space.
In order to solve the technical problems, the invention aims to provide a ship oil tank ventilation system, which comprises gas collecting pipes which are obliquely arranged up and down, wherein the higher end of each gas collecting pipe is connected with a ventilation main pipe which extends upwards, and the upper end of each ventilation main pipe extends to the position above a deck; the lower end of the gas collecting pipe is connected with a waste oil discharge pipe; each oil tank is connected with an upward extending air-permeable branch pipe, the lower end of each air-permeable branch pipe is communicated with the inner cavity of the corresponding oil tank, and the upper end of each air-permeable branch pipe is communicated with the inner cavity of the gas collecting pipe.
Preferably, a first fireproof net is arranged in the middle of each air-permeable branch pipe.
Preferably, the upper end of each air-permeable branch pipe penetrates through the pipe wall of the gas collecting pipe in a sealing manner and extends to the middle of the inner cavity of the gas collecting pipe.
Preferably, the end of the lower end of the gas collecting pipe is detachably connected with a first baffle.
As a preferable scheme, the lower end of the ventilation header pipe is hermetically connected to the pipe wall of the gas collecting pipe, and the end part of the higher end of the gas collecting pipe is detachably connected with a second baffle.
Preferably, the upper end of the ventilation main pipe is connected with a ventilation cap.
Preferably, a second fireproof net is arranged in the ventilating cap.
Preferably, the projection of the ventilation main pipe on a horizontal plane along the vertical direction is staggered with the port of each ventilation branch pipe.
Compared with the prior art, the invention has the beneficial effects that:
the invention relates to a ship oil tank ventilation system, which comprises gas collecting pipes which are obliquely arranged up and down, wherein the higher end of each gas collecting pipe is connected with a ventilation main pipe which extends upwards, and the upper end of each ventilation main pipe extends to the position above a deck; the lower end of the gas collecting pipe is connected with a waste oil discharge pipe; each oil tank is connected with a gas-permeable branch pipe, the lower end of each gas-permeable branch pipe is communicated with the corresponding inner cavity of the oil tank, the upper end of each gas-permeable pipe is communicated with the inner cavity of the gas collecting pipe, the inner cavity of each oil tank can be communicated with the outside through the gas collecting pipe and the gas-permeable main pipe, and oil stain remained in the gas collecting pipe can flow from the higher end to the lower end and is finally discharged out of the gas collecting pipe through the discharge pipe, so that the gas collecting pipe is convenient to clean and maintain; therefore, according to the ship oil tank ventilation system, only the upper end of the ventilation main pipe protrudes out of the deck, so that a plurality of ventilation pipes are prevented from protruding out of the upper part of the deck, and the utilization of the space above the deck is facilitated.
Drawings
FIG. 1 is a schematic structural view of a venting system for a cargo tank of a ship according to the present invention;
in the figure, 1, a gas collecting pipe; 2. a ventilation main pipe; 3. a waste oil discharge pipe; 4. a gas-permeable branch pipe; 41. a first fire-resistant mesh; 5. a first baffle plate; 6. a second baffle; 7. an air permeable cap.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
As shown in fig. 1, a preferred embodiment of the venting system for the oil tank of the ship of the present invention comprises a gas collecting pipe 1 which is obliquely arranged up and down, wherein the higher end of the gas collecting pipe 1 is connected with a venting main pipe 2 which extends upwards, and the upper end of the venting main pipe 2 extends to the upper part of a deck; the lower end of the gas collecting pipe 1 is connected with a waste oil discharge pipe 3; each oil tank is connected with the upward extending gas-permeable branch pipes 4, the lower ends of the gas-permeable branch pipes 4 are communicated with the inner cavities of the corresponding oil tanks, and the upper ends of the gas-permeable branch pipes 4 are communicated with the inner cavity of the gas collecting pipe 1. The inner cavity of each oil tank can be communicated with the outside through the corresponding air-permeable branch pipes 4, the air collecting pipe 1 and the air-permeable main pipe 2, and oil dirt remained in the air collecting pipe 1 can flow from the higher end to the lower end of the air collecting pipe 1 and is finally discharged out of the air collecting pipe 1 through the discharge pipe 3, so that the air collecting pipe 1 is convenient to clean and maintain; therefore, according to the ship oil tank ventilation system, only the upper end of the ventilation main pipe protrudes out of the deck, so that a plurality of ventilation pipes are prevented from protruding out of the upper part of the deck, and the utilization of the space above the deck is facilitated.
Specifically, the gas collecting pipe 1 is arranged above each oil tank, the outer side wall of the gas collecting pipe 2 is provided with a hoop, the hoop is fixedly connected to the bottom wall of a deck or connected to the cabin wall of a cabin through a support, the gas collecting pipe 2 is formed by sequentially connecting a plurality of end pipe bodies, two adjacent pipe body supports are provided with a third fire prevention net, each gas permeable branch pipe 4 is connected with the corresponding pipe body, the fire resistance of the gas collecting pipe 1 is further improved, and the gas collecting pipe 1 is convenient to process and arrange.
Wherein, the middle part of each breathing branch pipe 4 all is equipped with first fire prevention net 41 to avoid oil gas in the collector 1 or oil gas in a certain permeability cell 4 to be ignited, spread to each oil tank in.
Further, in order to prevent oil inside the gas collecting pipe from flowing into the first fireproof net 41 and causing blockage of the first fireproof net 41, the upper end of each air-permeable branch pipe 4 in this embodiment hermetically penetrates through the pipe wall of the gas collecting pipe 1 and extends to the middle of the inner cavity of the gas collecting pipe 1.
In order to facilitate the cleaning of the oil stain in the gas collecting pipe 1, in the embodiment, the end part of the lower end of the gas collecting pipe 1 is detachably connected with the first baffle 5, and when the inner wall of the gas collecting pipe 1 needs to be cleaned, the first baffle 5 is detached, so that the inner cavity of the gas collecting pipe 1 can be fully exposed, and the inner wall of the gas collecting pipe 1 can be conveniently cleaned.
Furthermore, the lower end of the ventilation header pipe 2 is hermetically connected to the pipe wall of the gas collecting pipe 1, and the end part of the higher end of the gas collecting pipe 1 is detachably connected with a second baffle 6. When the greasy dirt in the gas collecting pipe 1 is cleaned, the first baffle 5 and the second baffle 6 are removed simultaneously, the cleaning liquid is poured into the gas collecting pipe 1 from the higher end of the gas collecting pipe 1, and the cleaned dirty liquid is taken from the lower end of the gas collecting pipe 1, so that the cleaning operation on the inner wall of the gas collecting pipe 1 is facilitated. Specifically, the lower one end of collecting pipe 1 and the higher one end of collecting pipe 1 all are connected with the ring flange, and first baffle 5 and second baffle 6 all pass through bolted connection on the ring flange that corresponds.
In this embodiment, the upper end of the ventilation manifold 2 is connected with the ventilation cap 7, and the ventilation cap 7 can prevent rainwater or spray from entering the ventilation manifold 2.
The second fireproof net is arranged in the ventilating cap 7, the first fireproof net can prevent sparks outside a deck from entering the ventilating main pipe 2, and the second fireproof net is combined with the first fireproof net 41 to form double fire prevention, so that the safety of the ventilating system of the ship oil tank is guaranteed.
In this embodiment, in order to prevent the oil contamination dripping from the ventilation manifold 2 from falling into the ventilation branch pipes 4, the projection of the ventilation manifold 2 on the horizontal plane along the vertical direction is staggered with the ports of the ventilation branch pipes 4.
In conclusion, the ventilation system of the ship oil tank comprises the gas collecting pipes 1 which are obliquely arranged up and down, wherein the higher end of the gas collecting pipe 1 is connected with the ventilation main pipe 2 which extends upwards, and the upper ends of the ventilation main pipes 2 extend to the upper part of a deck; the lower end of the gas collecting pipe 1 is connected with a waste oil discharge pipe 3; each oil tank is connected with an upward extending air-permeable branch pipe 4, the lower end of each air-permeable branch pipe 4 is communicated with the inner cavity of the corresponding oil tank, and the upper end of each air-permeable branch pipe 4 is communicated with the inner cavity of the gas collecting pipe 1. The inner cavity of each oil tank can be communicated with the outside through the corresponding air-permeable branch pipes 4, the air collecting pipe 1 and the air-permeable main pipe 2, and oil dirt remained in the air collecting pipe 1 can flow from the higher end to the lower end of the air collecting pipe 1 and is finally discharged out of the air collecting pipe 1 through the discharge pipe 3, so that the air collecting pipe 1 is convenient to clean and maintain; therefore, according to the ship oil tank ventilation system, only the upper end of the ventilation main pipe protrudes out of the deck, so that a plurality of ventilation pipes are prevented from protruding out of the upper part of the deck, and the utilization of the space above the deck is facilitated.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (8)
1. The ship oil tank ventilation system is characterized by comprising gas collecting pipes (1) which are obliquely arranged up and down, wherein the higher end of each gas collecting pipe (1) is connected with a ventilation main pipe (2) which extends upwards, and the upper ends of the ventilation main pipes (2) extend to the upper part of a deck; the lower end of the gas collecting pipe (1) is connected with a waste oil discharge pipe (3); each oil tank is connected with an upward extending air-permeable branch pipe (4), the lower end of each air-permeable branch pipe (4) is communicated with the corresponding inner cavity of the oil tank, and the upper end of each air-permeable branch pipe (4) is communicated with the inner cavity of the gas collecting pipe (1).
2. The ship tank breathing system according to claim 1, wherein a first fire protection net (41) is provided in the middle of each breathing branch (4).
3. The ship tank ventilation system of claim 1, wherein the upper end of each ventilation branch (4) penetrates the wall of the gas collecting pipe (1) in a sealed manner and extends to the middle of the inner cavity of the gas collecting pipe (1).
4. Marine tank ventilation system according to claim 1, characterised in that the lower end of the header (1) is terminated by a detachable first baffle (5).
5. The ship's tank ventilation system according to claim 1, characterized in that the lower end of the ventilation manifold (2) is sealingly connected to the wall of the gas collecting pipe (1), and the end of the higher end of the gas collecting pipe (1) is detachably connected to a second baffle (6).
6. Marine tank ventilation system according to claim 1, characterised in that a ventilation cap (7) is connected to the upper end of the ventilation manifold (2).
7. Marine vessel cargo tank venting system according to claim 6, characterised in that a second fire protection net is provided in the venting cap (7).
8. The ship tank ventilation system according to claim 1, wherein the ventilation manifold (2) is arranged offset from the port of each ventilation branch (4) in a projection on a horizontal plane in a vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210838941.7A CN115092317A (en) | 2022-07-15 | 2022-07-15 | Ventilation system for oil tank of ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210838941.7A CN115092317A (en) | 2022-07-15 | 2022-07-15 | Ventilation system for oil tank of ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115092317A true CN115092317A (en) | 2022-09-23 |
Family
ID=83298771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210838941.7A Pending CN115092317A (en) | 2022-07-15 | 2022-07-15 | Ventilation system for oil tank of ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115092317A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2811460A1 (en) * | 2010-09-16 | 2012-03-22 | Wobben Properties Gmbh | Ship comprising a ventilation device |
| CN206968932U (en) * | 2017-07-20 | 2018-02-06 | 青岛造船厂有限公司 | A kind of marine fuel oil is breathed freely overflow system |
| CN207417067U (en) * | 2017-08-03 | 2018-05-29 | 江门市南洋船舶工程有限公司 | A kind of ship oil tank ventilation pipe gas collecting apparatus |
| CN211336338U (en) * | 2019-09-18 | 2020-08-25 | 上海外高桥造船海洋工程有限公司 | Gas collection tank of oil tank ventilation system and ship |
-
2022
- 2022-07-15 CN CN202210838941.7A patent/CN115092317A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2811460A1 (en) * | 2010-09-16 | 2012-03-22 | Wobben Properties Gmbh | Ship comprising a ventilation device |
| CN206968932U (en) * | 2017-07-20 | 2018-02-06 | 青岛造船厂有限公司 | A kind of marine fuel oil is breathed freely overflow system |
| CN207417067U (en) * | 2017-08-03 | 2018-05-29 | 江门市南洋船舶工程有限公司 | A kind of ship oil tank ventilation pipe gas collecting apparatus |
| CN211336338U (en) * | 2019-09-18 | 2020-08-25 | 上海外高桥造船海洋工程有限公司 | Gas collection tank of oil tank ventilation system and ship |
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