CN109911115B - Sea water tank and ship comprising same - Google Patents
Sea water tank and ship comprising same Download PDFInfo
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- CN109911115B CN109911115B CN201910253381.7A CN201910253381A CN109911115B CN 109911115 B CN109911115 B CN 109911115B CN 201910253381 A CN201910253381 A CN 201910253381A CN 109911115 B CN109911115 B CN 109911115B
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- partition plate
- seawater
- ship
- sea chest
- seawater tank
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Abstract
The invention discloses a seawater tank and a ship comprising the same, wherein the seawater tank is arranged on the ship board side, a partition wall is arranged in the seawater tank, the partition wall comprises a first partition plate and a second partition plate, the first partition plate is vertically arranged, the upper end part of the first partition plate is spaced from the top of the seawater tank, one end of the second partition plate is connected to the lower end part of the first partition plate, the other end of the second partition plate is connected to the bottom of the seawater tank, the first partition plate and the second partition plate are arranged in an included angle mode, the second partition plate is parallel or approximately parallel to a ship outer plate, and two sides of the first partition plate and the second partition plate are connected with the side wall of the seawater tank. According to the invention, the second partition plate parallel to the ship outer plate is adopted, so that the inner wall of the seawater tank is prevented from moving inwards due to too small space, the space of the engine room is saved, the narrow construction space is avoided, and the construction quality is ensured.
Description
Technical Field
The invention relates to the technical field of ship manufacturing, in particular to a seawater tank and a ship comprising the same.
Background
The seawater tank needs to separate air dissolved in seawater in advance in order to ensure the normal work of the centrifugal pump, so a vertical partition wall is usually arranged in the tank body, water flow firstly goes upwards in the seawater tank, then goes across the partition wall and goes downwards to an inlet of a seawater main pipe, and the air is separated from the seawater in the flowing process. The sea water tank is suitable for a spacious and smooth engine room, but for the engine room with obvious linear shrinkage of an outer plate of a ship and tense internal space, the arrangement structure in the form is completely adopted, so that the sea water tank is not convenient for field construction and occupies precious space of the engine room. In addition, the top of the conventional seawater tank is completely melted by the hot water pipe, so that not only is excessive energy consumed, but also the possibility of icing still exists at the top of the seawater tank when the temperature of hot water is low or the supply amount of hot water is insufficient.
Disclosure of Invention
An object of the present invention is to provide a sea chest which is convenient for construction and saves space of a cabin.
An object of the present invention is to provide a ship which is high in space utilization.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a seawater box, the setting is at boats and ships topside, and inside is provided with the partition wall, the partition wall includes first baffle and second baffle, the vertical setting of first baffle, the upper end of first baffle with seawater box's top interval, the one end of second baffle is connected the lower tip of first baffle, the other end of second baffle is connected seawater box's bottom, first baffle with the second baffle is the contained angle setting, makes the second baffle is parallel with the boats and ships planking, first baffle reaches the both sides of second baffle all with seawater box's lateral wall is connected.
In a preferred embodiment of the present invention, a cofferdam is provided along the inner side of the outer plate of the ship at the upper part of the sea chest, the upper end of the cofferdam is connected to the top of the sea chest, and the lower end of the cofferdam is lower than the level of the lowest waterline.
As a preferred aspect of the present invention, the top of the sea chest is higher than the level of the highest water line.
As a preferable scheme of the invention, a hot water pipe is arranged in the seawater tank, the hot water pipe is horizontally arranged, and the horizontal plane of the hot water pipe is lower than the horizontal plane of the lowest waterline.
As a preferable scheme of the present invention, the ship outer plate is provided with a plurality of openings through which seawater enters, the openings are communicated with the inside of the seawater tank, and the positions of the openings are lower than the lower end of the first partition plate.
In a preferred embodiment of the present invention, a steam and/or compressed air pipe is disposed inside the sea chest, and an opening of the steam and/or compressed air pipe is aligned with the opening.
In a preferred embodiment of the present invention, the first separator and the second separator are welded.
In a preferred embodiment of the present invention, the first partition plate and the second partition plate are welded to an inner wall of the sea chest.
As a preferable scheme of the present invention, a manhole cover is disposed on a top of the sea water tank, and an exhaust device is disposed on the manhole cover.
On the other hand, a ship is provided, which comprises the seawater tank in any technical scheme.
The invention has the beneficial effects that:
1. by adopting the second partition plate parallel to the ship outer plate, the inner wall of the seawater tank is prevented from moving inwards due to too small space, and the space of an engine room is saved;
2. the narrow construction space is avoided, and the construction quality is ensured.
Drawings
FIG. 1 is a schematic cross-sectional view of an embodiment of the present invention;
fig. 2 is an enlarged view of a point a in fig. 1.
In FIGS. 1-2:
1. a partition wall; 11. a first separator; 12. a second separator; 2. a cofferdam; 3. a gas conduit; 4. a hot water pipe; 5. a ship outer plate; 51. opening a hole; 6. a manhole cover; 7. a water return pipe; 8. a seawater main.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the word "over" a first feature or feature in a second feature may include the word "over" or "over" the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under" a second feature may include a first feature that is directly under and obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description of the present invention, unless explicitly defined or limited otherwise, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
As shown in fig. 1 to 2, the sea chest of the present embodiment is disposed on a ship board side, a partition wall 1 is disposed inside the sea chest, the partition wall 1 includes a first partition plate 11 and a second partition plate 12, the first partition plate 11 is vertically disposed, an upper end portion of the first partition plate 11 is spaced from a top portion of the sea chest, one end of the second partition plate 12 is connected to a lower end portion of the first partition plate 11, the other end of the second partition plate 12 is connected to a bottom portion of the sea chest, the first partition plate 11 and the second partition plate 12 are disposed at an included angle, the second partition plate 12 is parallel or approximately parallel to a ship outer plate 5, and both sides of the first partition plate 11 and the second partition plate 12 are connected to a side wall of the sea chest.
On the side of the partition wall 1 departing from the ship outer plate 5, a water return pipe 7 and a seawater main pipe 8 are arranged, the seawater main pipe 8 is located below the water return pipe 7, cooling water of an engine is arranged in the water return pipe 7, the temperature of the cooling water is high, freezing of the lower portion of the seawater tank can be guaranteed, and external seawater is sucked by the seawater main pipe 8 after being mixed with the cooling water of the engine.
The second partition plate 12 is arranged to be parallel or approximately parallel to the outer plate 5 of the ship, so that the inner wall of the seawater tank is prevented from moving inwards due to too small space, and the space of an engine room is saved; on the other hand, the narrow construction space is avoided, and the construction quality is ensured.
Preferably, the first separator 11 and the second separator 12 are welded.
Preferably, both sides of the first partition plate 11 and the second partition plate 12 are welded to the side wall of the seawater tank, and the lower end of the second partition plate 12 is welded to the bottom of the seawater tank.
A cofferdam 2 is provided along the inner side of the outer plate 5 of the ship at the upper part of the sea chest.
Preferably, the cofferdam 2 is connected at its upper end to the top of the sea chest, and the lower end of the cofferdam 2 is below the level of the lowest waterline. The cofferdam 2 is connected with the top of the seawater tank, and the lower end of the cofferdam 2 is lower than the horizontal plane where the lowest waterline is located, so that no matter what kind of load condition the ship is under, direct heat conduction does not occur between the inside of the seawater tank and the ship outer plate 5 located above the water surface, and therefore when the ship is sailed in a polar region, the freezing of the upper part of the seawater tank caused by cold air above the water surface can be effectively avoided.
Further, the top of the sea chest is higher than the level of the highest waterline.
The top of the sea chest of the embodiment is higher than the horizontal plane where the highest waterline is located, so that on one hand, the space extension in the horizontal direction is reduced through the space extension in the vertical direction, and the occupation of the cabin space is reduced; on the other hand, the cavity which is not filled with water is always arranged at the top of the seawater tank, and the pressure in the seawater tank is always not more than the standard atmospheric pressure, so that the air dissolved in the seawater is released more easily.
Preferably, be provided with hot-water line 4 in the sea water tank, hot-water line 4 level sets up, is located the top of wet return 7, and the horizontal plane at hot-water line 4 place is less than the horizontal plane at minimum waterline place, makes hot-water line 4 submergence in aqueous all the time, plays better heating effect, prevents to take place to freeze in the sea water tank.
Preferably, the hot water in the hot water pipe 4 is cooling water of the engine.
Preferably, a plurality of openings 51 for seawater to enter are formed in the ship outer plate 5, the openings 51 are communicated with the inside of the seawater tank, and the positions of the openings 51 are lower than the lower end of the first partition plate 11, so that seawater enters the seawater tank and then goes upwards and then goes downwards across the partition wall 1, thereby achieving the purpose of removing air dissolved in the seawater.
Further, a gas pipeline 3 is arranged in the seawater tank, and the gas pipeline 3 is a steam pipeline, a compressed air pipeline or a combination of the steam pipeline and the compressed air pipeline. The gas pipeline 3 of the embodiment adopts a scheme of combining compressed air and steam, when the ship sails in an ice area, floating ice, broken ice and the like mixed in seawater are easy to block the open holes 51, and the ice melting efficiency and the ice cleaning efficiency can be improved by combining the floating ice, the broken ice and the like.
Preferably, a manhole cover 6 is disposed at the top of the sea water tank, and an exhaust device is disposed on the manhole cover 6, so that air inside the sea water tank can be smoothly exhausted.
Further, exhaust apparatus and vacuum pump connection make the cavity at sea water tank top produce the negative pressure, further promote the exhaust effect.
Reference throughout this specification to the description of the terms "preferred," "optional," or the like, as used in describing preferred embodiments of the present invention, means that a particular feature, structure, material, or characteristic described in connection with the example or illustration is included in at least one example or illustration of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above examples are only intended to illustrate the details of the invention, which is not limited to the above details, i.e. it is not intended that the invention must be implemented in such detail. It should be understood by those skilled in the art that any modification of the present invention, equivalent substitutions of the raw materials of the product of the present invention, addition of auxiliary components, selection of specific modes, etc., are within the scope and disclosure of the present invention.
Claims (8)
1. The seawater box is characterized in that the seawater box is arranged on a ship board side, a partition wall is arranged in the seawater box and comprises a first partition plate and a second partition plate, the first partition plate is vertically arranged, the upper end of the first partition plate is spaced from the top of the seawater box, one end of the second partition plate is connected to the lower end of the first partition plate, the other end of the second partition plate is connected to the bottom of the seawater box, the first partition plate and the second partition plate are arranged at an included angle, the second partition plate is parallel to an outer ship plate, two sides of the first partition plate and two sides of the second partition plate are both connected with the side wall of the seawater box, a vacant compartment is arranged on the upper portion of the seawater box along the inner side of the outer ship plate, the upper end of the vacant compartment is connected with the top of the seawater box, and the lower end of the vacant compartment is lower than the horizontal plane of the lowest waterline, the top of the seawater tank is higher than the horizontal plane where the highest waterline is located.
2. Sea chest according to claim 1, characterized in that a hot water pipe is arranged in the sea chest, said hot water pipe being arranged horizontally, the level of the hot water pipe being lower than the level of the lowest waterline.
3. The seawater tank of claim 1 wherein the outer plate of the ship is provided with a plurality of openings for seawater to enter, the openings are communicated with the inside of the seawater tank, and the positions of the openings are lower than the lower end of the first partition plate.
4. Seawater tank according to claim 3, wherein a steam and/or compressed air pipe is arranged inside the seawater tank, and the opening of the steam and/or compressed air pipe is aligned with the hole.
5. The sea chest of claim 1 wherein said first baffle is welded to said second baffle.
6. The sea chest of claim 5 wherein said first and second baffles are welded to an inner wall of said sea chest.
7. The sea chest of claim 1 wherein the top of the sea chest is provided with a manhole cover having an exhaust means thereon.
8. A ship, characterized in that it comprises a sea chest according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910253381.7A CN109911115B (en) | 2019-03-29 | 2019-03-29 | Sea water tank and ship comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910253381.7A CN109911115B (en) | 2019-03-29 | 2019-03-29 | Sea water tank and ship comprising same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109911115A CN109911115A (en) | 2019-06-21 |
| CN109911115B true CN109911115B (en) | 2021-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910253381.7A Active CN109911115B (en) | 2019-03-29 | 2019-03-29 | Sea water tank and ship comprising same |
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| Country | Link |
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| CN (1) | CN109911115B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113581364B (en) * | 2021-09-07 | 2022-09-16 | 中海石油气电集团有限责任公司 | Seawater supply system and method for LNG-FSRU |
| CN114408149A (en) * | 2022-02-25 | 2022-04-29 | 广船国际有限公司 | System for be used for sea water tank exhaust |
| CN115489662A (en) * | 2022-10-26 | 2022-12-20 | 广船国际有限公司 | Marine seawater tank and control method thereof |
Citations (5)
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|---|---|---|---|---|
| CN201245229Y (en) * | 2008-08-07 | 2009-05-27 | 江苏省镇江船厂有限责任公司 | Detachable partition board type shipping air-separating seawater tank |
| CN201751295U (en) * | 2010-07-20 | 2011-02-23 | 武汉南华高速船舶工程股份有限公司 | Marine shoe type sea chest |
| KR20150092488A (en) * | 2014-02-05 | 2015-08-13 | 삼성중공업 주식회사 | Cooling system for ship |
| CN105691577A (en) * | 2014-11-27 | 2016-06-22 | 中国舰船研究设计中心 | Ice water tank for ship navigating in ice region |
| CN206336421U (en) * | 2016-12-20 | 2017-07-18 | 上海船舶研究设计院 | The seawaterline ice prevention structure of arctic navigation ship |
-
2019
- 2019-03-29 CN CN201910253381.7A patent/CN109911115B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201245229Y (en) * | 2008-08-07 | 2009-05-27 | 江苏省镇江船厂有限责任公司 | Detachable partition board type shipping air-separating seawater tank |
| CN201751295U (en) * | 2010-07-20 | 2011-02-23 | 武汉南华高速船舶工程股份有限公司 | Marine shoe type sea chest |
| KR20150092488A (en) * | 2014-02-05 | 2015-08-13 | 삼성중공업 주식회사 | Cooling system for ship |
| CN105691577A (en) * | 2014-11-27 | 2016-06-22 | 中国舰船研究设计中心 | Ice water tank for ship navigating in ice region |
| CN206336421U (en) * | 2016-12-20 | 2017-07-18 | 上海船舶研究设计院 | The seawaterline ice prevention structure of arctic navigation ship |
Non-Patent Citations (2)
| Title |
|---|
| 全回转港作拖轮海水箱结构的改进;张言才;《江苏船舶》;19930702;第10卷(第2期);第15-16页 * |
| 张言才.全回转港作拖轮海水箱结构的改进.《江苏船舶》.1993,第10卷(第2期), * |
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| CN109911115A (en) | 2019-06-21 |
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