CN210191747U - C-shaped single-layer fuel cabin for side-direction liquid outlet ship - Google Patents
C-shaped single-layer fuel cabin for side-direction liquid outlet ship Download PDFInfo
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- CN210191747U CN210191747U CN201921068455.1U CN201921068455U CN210191747U CN 210191747 U CN210191747 U CN 210191747U CN 201921068455 U CN201921068455 U CN 201921068455U CN 210191747 U CN210191747 U CN 210191747U
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- secondary shielding
- shielding structure
- fuel
- fuel tank
- marine
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- 239000007788 liquid Substances 0.000 title claims abstract description 80
- 239000000446 fuel Substances 0.000 title claims abstract description 72
- 239000002356 single layer Substances 0.000 title claims description 23
- 239000002828 fuel tank Substances 0.000 claims abstract description 51
- 238000009423 ventilation Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000004215 Carbon black (E152) Substances 0.000 claims description 4
- 229930195733 hydrocarbon Natural products 0.000 claims description 4
- 150000002430 hydrocarbons Chemical class 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 238000005070 sampling Methods 0.000 claims description 4
- 238000012546 transfer Methods 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 3
- 239000011152 fibreglass Substances 0.000 claims description 2
- 239000011494 foam glass Substances 0.000 claims description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000002023 wood Substances 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims 1
- 239000004814 polyurethane Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000004904 shortening Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 16
- 230000000694 effects Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- LGPMBEHDKBYMNU-UHFFFAOYSA-N ethane;ethene Chemical compound CC.C=C LGPMBEHDKBYMNU-UHFFFAOYSA-N 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000003949 liquefied natural gas Substances 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Abstract
The utility model relates to a cryogenic liquid cargo hold field specifically is a marine C type individual layer fuel tank of side direction play liquid. The fuel compartment comprises a fuel compartment body, a liquid outlet is formed in the side wall of the fuel compartment body, the liquid outlet is arranged below the highest liquid level of the fuel compartment body, a secondary shielding structure is arranged at the liquid outlet, a working medium outlet is formed in the secondary shielding structure, the working medium outlet is communicated with the liquid outlet through a pipeline, the secondary shielding structure is fixedly connected with the fuel compartment body, a containing cavity is formed by the wall of the secondary shielding structure and part of the side wall of the fuel compartment body, and the liquid outlet and the pipeline are arranged in the containing cavity. The utility model discloses reduce the structure weight of fuel compartment, saving cost and shortening manufacturing period.
Description
Technical Field
The utility model relates to a cryogenic liquid cargo hold field specifically is a marine C type individual layer fuel tank of side direction play liquid.
Background
The cryogenic cargo tank is an ultralow temperature cargo tank loaded with liquefied petroleum gas, liquefied ethylene ethane, liquefied natural gas and the like, and mainly comprises A-type, B-type, C-type and film-type cryogenic cargo tanks classified by International maritime organization IMO. The C-type cargo tank is usually selected as a fuel tank for a ship because it can bear pressure and is convenient to install and manufacture. According to the IGC, IGF and classification society specifications, a liquid outlet is arranged above the highest liquid level of the fuel tank, and the leakage risk does not need to be considered; a liquid outlet is arranged below the highest liquid level, and a secondary shield is arranged on a pipeline between the fuel tank and a first stop valve connected with the fuel tank for protection.
The current approaches used for C-type bunker include two types:
1) the single-layer fuel tank and the top liquid outlet mode have the advantages that the opening is arranged at the top, the leakage risk specified by the specification can be avoided, and the single-layer fuel tank and the top liquid outlet mode have the defects that the requirement on the space height is high, the space utilization rate is insufficient, and the single-layer fuel tank and the top liquid outlet mode are not suitable for certain ships with limited space.
2) The double-layer fuel tank is added with the side liquid outlet mode, the mode has the advantages that the double-layer tank wall mode is adopted, the outer layer tank wall can be used as a secondary shield to prevent the leakage risk brought by the opening position at the highest liquid level, and the double-layer fuel tank is safe. The double-layer fuel tank has the defects that the double-layer tank has heavier outer tank wall and limited bearing of inner and outer interlayer space, and the tank capacity of the double-layer fuel tank is difficult to be improved, so that the fuel supply requirement of a large ship cannot be met. Meanwhile, the double-layer tank has insufficient space utilization rate and relatively high overall cost.
Disclosure of Invention
In view of this, the utility model provides a side direction goes out liquid ship C type individual layer fuel tank, this structure provides a novel fuel tank, the fuel tank adopts individual layer fuel tank body mode, is equipped with the liquid outlet on the fuel tank lateral wall below the highest liquid level in fuel tank, realizes the side of fuel tank body goes out liquid to be equipped with secondary shielding structure in liquid outlet department, secondary shielding structure's shape is arranged according to the remaining space of cargo hold department, through secondary shielding structure's setting effectively avoids the side to go out the leakage risk that the liquid brought, has satisfied IGC, IGF and the classification society and has set up the open-ended standard requirement to below the fuel tank liquid level, has solved the not enough problem of C type individual layer fuel tank space utilization among the prior art.
In order to achieve the above object, the present invention mainly provides the following specific technical solutions:
the utility model provides a side direction goes out C type individual layer fuel compartment for liquid ship, includes the fuel compartment body be equipped with the liquid outlet on the lateral wall of fuel compartment body, the liquid outlet sets up below the highest liquid level of fuel compartment body liquid outlet department is equipped with secondary shielding structure be equipped with the working medium export on the secondary shielding structure, the working medium export with the liquid outlet is through the pipeline intercommunication, secondary shielding structure with fuel compartment body fixed connection, secondary shielding structure's wall with the partial lateral wall of fuel compartment body forms the holding chamber, liquid outlet and pipeline setting are in the holding chamber.
In the above-described marine C-type single-deck fuel module,
the secondary shielding structure is welded on the fuel tank body;
the accommodating cavity is an air-tight cavity and is a liquid-tight cavity.
In the above-described marine C-type single-deck fuel module,
a cabin body heat insulation structure is arranged outside the fuel cabin body.
Preferably, a secondary shielding and heat-insulating structure is arranged outside the secondary shielding structure.
In the above-described marine C-type single-deck fuel module,
and a hydrocarbon sampling and detecting device is arranged on the secondary shielding structure.
In the above-described marine C-type single-deck fuel module,
the secondary shielding structure is provided with a ventilation pipeline, and the ventilation frequency of the ventilation pipeline is not less than 30 times per hour.
In the above-described marine C-type single-deck fuel module,
the secondary shielding structures are arranged at two ends of the fuel cabin body; or
The secondary shielding structure is disposed on an annular sidewall of the fuel compartment body.
In the above-described marine C-type single-deck fuel module,
the secondary shielding structure is in a shape of a cube, a cuboid, a segment, a cylinder or an irregular cube.
In the above-described marine C-type single-deck fuel module,
the secondary shielding structure is made of ultralow-temperature steel.
Preferably, the material of the secondary shielding structure is the same as that of the fuel compartment body.
In the above-described marine C-type single-deck fuel module,
the fuel tank body is provided with a saddle which is fixedly arranged on the mounting surface of the ship body, and the secondary shielding structure is suspended or fixedly arranged on the mounting surface of the ship body through a supporting structure made of a material with a low heat transfer coefficient.
Borrow by above-mentioned technical scheme, the utility model provides a side direction goes out liquid ship C type individual layer fuel tank has following advantage at least:
one) reducing the height increase in the fuel compartment arrangement due to the provision of the liquid outlet; the liquid outlet is arranged at the position of the cabin body with larger space, so that the space can be utilized to the maximum extent, and the requirements on space such as cabin capacity height, length and the like are not limited; because the liquid outlet is arranged on the side wall, the liquid outlet of the fuel compartment body is convenient.
Two) the utility model provides a marine C type individual layer fuel cabin need not to go out the liquid needs double-deck jar arrangement mode like traditional side, has simplified secondary shielding structure to can reduce by the at utmost the structure weight of fuel cabin, practice thrift the cost and shorten the manufacturing period.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
FIG. 1 is a schematic structural view of a marine C-shaped single-layer fuel tank of the present invention;
FIG. 2 is another schematic structural view of a marine C-shaped single-layer fuel tank according to the present invention;
fig. 3 is another schematic structural diagram of the marine C-shaped single-layer fuel tank of the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description will be given with reference to the accompanying drawings and preferred embodiments of a C-type single-layer bunker for side-out ship and a cryogenic cargo tank according to the present invention. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Marine C-type single-fuel tank example 1
The marine C-shaped single-layer fuel compartment shown in fig. 1 comprises a fuel compartment body 1, wherein a liquid outlet 5 is formed in the side wall of the fuel compartment body 1, the liquid outlet 5 is arranged below the highest liquid level 3 of the fuel compartment body 1, a secondary shielding structure 4 is arranged at the position of the liquid outlet 5, a working medium outlet (not shown in the figure) is formed in the secondary shielding structure 4, the working medium outlet is communicated with the liquid outlet 5 through a pipeline, the secondary shielding structure 4 is fixedly connected with the fuel compartment body 1, a containing cavity is formed by the wall of the secondary shielding structure 4 and part of the side wall of the fuel compartment body 1, and the liquid outlet 5 and the pipeline are arranged in the containing cavity.
In the marine C-shaped single-layer fuel tank provided in this embodiment, the liquid fuel is placed in the fuel tank body 1, the so-called highest liquid level 3 and the highest liquid level when the liquid fuel is stored are provided, and the liquid outlet 5 is provided on the side wall of the fuel tank body 1, which can bring about at least three following advantages: one) to reduce the height increase in the arrangement of the fuel compartment due to the provision of the liquid outlet 5; secondly), the liquid outlet 5 is arranged at the position of the cabin body with larger space, so that the space can be utilized to the maximum extent, and the requirements on space such as the cabin capacity height and the length are not limited; thirdly), the liquid outlet 5 is arranged on the side wall, so that the fuel compartment body 1 can conveniently discharge liquid.
The utility model discloses a 5 departments of liquid outlet are equipped with secondary shielding structure 4, have satisfied IGC, IGF and classification society standard requirement. The accommodating cavity of the secondary shielding structure 4 is an air-tight cavity, and the accommodating cavity of the secondary shielding structure 4 is a liquid-tight cavity.
The utility model provides a marine C type individual layer fuel cabin need not to go out the liquid needs double-deck jar arrangement mode like traditional side, has simplified secondary shielding structure 4 to can the at utmost reduce the structure weight in fuel cabin, practice thrift the cost and shorten the manufacturing period.
The secondary shielding structure 4 is fixedly connected with the fuel compartment body 1 in a sealing way. The working medium outlet is communicated with the liquid outlet 5 through a pipeline, and a valve body or other device equipment can be arranged on the pipeline. The communication means that the liquid fuel can flow through the liquid outlet 5 to the working medium outlet and then be supplied to the power plant. Since the liquid fuel may seep out at the liquid outlet 5, the liquid fuel seeping out from the liquid outlet 5 can be stored in the secondary shielding structure 4, thereby avoiding damage of the ship hull by the low-temperature liquid fuel.
In this embodiment, the wall of the secondary shielding structure 4 and a part of the side wall of the fuel compartment body 1 form an accommodating cavity, that is, the secondary shielding structure 4 is only disposed at a place around the liquid outlet 5 where liquid seepage may occur, so as to avoid waste of space and material.
In order to increase the fixing effect of the secondary shielding structure 4 and the fuel compartment body 1 seal, the secondary shielding structure 4 is welded on the fuel compartment body 1 seal.
In order to realize the heat insulation effect of the fuel cabin on liquid fuel in the fuel cabin, a cabin body heat insulation structure 2 is arranged outside the fuel cabin body 1.
Further, in order to avoid damage of the liquid fuel in the secondary shielding structure to peripheral equipment, a secondary shielding heat-insulating structure is arranged outside the secondary shielding structure 4).
Example 2 of a C-type Single-layer bunker for ships
The embodiment further designs the safety monitoring aspect of the secondary shielding structure.
And a hydrocarbon sampling and detecting device is arranged on the secondary shielding structure 4 to detect whether the liquid outlet 5 leaks the liquid fuel or not. In the event of a leak, an alarm may be generated to the staff. In particular, the hydrocarbon sampling and detecting device may be disposed at a middle or upper position of the accommodating chamber.
Furthermore, a ventilation pipeline is arranged on the secondary shielding structure 4, and the ventilation frequency of the ventilation pipeline is not less than 30 times per hour. So as to enable the evaporation of the liquid fuel leaking in the secondary shielding structure 4. Further ensuring the safety of the fuel tank.
In the present embodiment, the ventilation duct is in a sealed state in a non-ventilation state.
The secondary shielding structure 4 is made of ultra-low temperature steel (cryogenic steel), and the ultra-low temperature steel has good low-temperature toughness, such as high nickel alloy and austenitic low-temperature steel. Meanwhile, the ultralow temperature steel has high strength and good weldability and processability.
Preferably, the material of the secondary shielding structure 4 is the same as that of the fuel tank body 1.
Marine C-type single-fuel tank example 3
The secondary shielding structure 4 can be arranged at any position on the side wall of the fuel tank body 1 according to the specific space condition of the tank capacity. The embodiment further designs the specific position where the secondary shielding structure 4 is arranged:
1) as shown in fig. 1, the secondary shielding structure 4 is disposed at either end of the fuel tank body 1. In this way, only a part of the length is increased in the axial length direction of the fuel tank body 1, and the height is not increased.
2) The secondary shielding structure 4 is arranged on the annular side wall of the fuel compartment body 1.
Marine C-type single-deck fuel tank example 4
In this embodiment, the shape and material of the secondary shielding structure 4 are further limited to meet the construction requirement and the safety requirement.
As shown in fig. 2 and 3, the secondary shielding structure 4 may have any shape, such as a cube, a cuboid, a segment, a cylinder, or an irregular cube. As long as the cavity of the secondary shielding structure 4 is a holding cavity, there is no special requirement for the shape of the secondary shielding structure 4. The secondary shielding structure 4 is shaped only to meet construction requirements to make reasonable use of the cabin volume.
The fuel tank body 1 is provided with a saddle which is fixedly arranged on the mounting surface of the ship body, and the secondary shielding structure 4 is suspended or fixedly arranged on the mounting surface of the ship body through a supporting structure made of materials with low heat transfer coefficients (such as laminated wood, glass fiber reinforced plastics, high-density rigid polyurethane foam, phenolic rigid foam, foam glass and the like), so that the ship body is prevented from being damaged by the low temperature of liquid fuel.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (11)
1. A C-shaped single-layer fuel cabin for a side-out ship comprises a fuel cabin body and is characterized in that,
the side wall of the fuel compartment body is provided with a liquid outlet, the liquid outlet is arranged below the highest liquid level of the fuel compartment body, a secondary shielding structure is arranged at the liquid outlet, a working medium outlet is arranged on the secondary shielding structure, the working medium outlet is communicated with the liquid outlet through a pipeline, the secondary shielding structure is fixedly connected with the fuel compartment body, the wall of the secondary shielding structure and part of the side wall of the fuel compartment body form a containing cavity, and the liquid outlet and the pipeline are arranged in the containing cavity.
2. The marine C-type single layer fuel tank according to claim 1,
the secondary shielding structure is welded on the fuel tank body;
the accommodating cavity is an air-tight cavity and is a liquid-tight cavity.
3. The marine C-type single layer fuel tank according to claim 1,
a cabin body heat insulation structure is arranged outside the fuel cabin body.
4. The marine C-type single layer fuel tank according to claim 3,
and a secondary shielding heat-insulating structure is arranged outside the secondary shielding structure.
5. The marine C-type single layer fuel tank according to claim 1,
and a hydrocarbon sampling and detecting device is arranged on the secondary shielding structure.
6. The marine C-type single layer fuel tank according to claim 1,
the secondary shielding structure is provided with a ventilation pipeline, and the ventilation frequency of the ventilation pipeline is not less than 30 times per hour.
7. The marine C-type single layer fuel tank according to claim 1,
the secondary shielding structures are arranged at two ends of the fuel cabin body; or
The secondary shielding structure is disposed on an annular sidewall of the fuel compartment body.
8. The marine C-type single layer fuel tank according to claim 1,
the secondary shielding structure is in a shape of a cube, a cuboid, a segment or a cylinder.
9. The marine C-type single layer fuel tank according to claim 1,
the secondary shielding structure is made of ultralow-temperature steel.
10. The marine C-type single layer fuel compartment according to claim 9,
the material of the secondary shielding structure is the same as that of the fuel cabin body.
11. The marine C-type single layer fuel tank according to claim 1,
the fuel tank body is provided with a saddle which is fixedly arranged on the mounting surface of the ship body, the secondary shielding structure is suspended or fixedly arranged on the mounting surface of the ship body through a supporting structure made of a material with a low heat transfer coefficient, and the material with the low heat transfer coefficient is laminated wood, glass fiber reinforced plastic, high-density polyurethane hard foam, phenolic hard foam or foam glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921068455.1U CN210191747U (en) | 2019-07-10 | 2019-07-10 | C-shaped single-layer fuel cabin for side-direction liquid outlet ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921068455.1U CN210191747U (en) | 2019-07-10 | 2019-07-10 | C-shaped single-layer fuel cabin for side-direction liquid outlet ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210191747U true CN210191747U (en) | 2020-03-27 |
Family
ID=69870426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921068455.1U Active CN210191747U (en) | 2019-07-10 | 2019-07-10 | C-shaped single-layer fuel cabin for side-direction liquid outlet ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210191747U (en) |
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2019
- 2019-07-10 CN CN201921068455.1U patent/CN210191747U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 2003, No. 250, Lane 1509, Shuangdan Road, Jiading District, Shanghai, 2018 Patentee after: Shanghai Huaxi Environmental Technology Co.,Ltd. Address before: Room 2003, No. 250, Lane 1509, Shuangdan Road, Jiading District, Shanghai, 2018 Patentee before: Shanghai Huaxi Refrigeration Technology Co.,Ltd. |
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| CP03 | Change of name, title or address |