CN220809711U - Ship with sunken methanol fuel cabin on side - Google Patents
Ship with sunken methanol fuel cabin on side Download PDFInfo
- Publication number
- CN220809711U CN220809711U CN202321622362.5U CN202321622362U CN220809711U CN 220809711 U CN220809711 U CN 220809711U CN 202321622362 U CN202321622362 U CN 202321622362U CN 220809711 U CN220809711 U CN 220809711U
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- Prior art keywords
- methanol fuel
- cabin
- ship
- sunken
- groove
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 385
- 239000000446 fuel Substances 0.000 title claims abstract description 89
- 238000002955 isolation Methods 0.000 claims abstract description 17
- 239000002828 fuel tank Substances 0.000 claims description 31
- 230000003014 reinforcing effect Effects 0.000 abstract description 16
- 239000011248 coating agent Substances 0.000 abstract description 4
- 238000000576 coating method Methods 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 abstract description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052815 sulfur oxide Inorganic materials 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 108010066057 cabin-1 Proteins 0.000 description 1
- 108010066114 cabin-2 Proteins 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Liquid Carbonaceous Fuels (AREA)
Abstract
A ship with a sunken methanol fuel cabin on the side of the ship is characterized in that in a ship body cargo hold area, decks at the port side and the starboard side of the ship body are sunken, the deck in the middle of the ship body is at normal height, a groove is formed in the sunken position of the deck, the methanol fuel cabin is embedded in the groove, an outer board of the ship body is taken as an outer cabin wall board of the methanol fuel cabin, the lower part of the methanol fuel cabin is a cuboid, the upper part of the methanol fuel cabin is a semicircle or a cuboid, and the upper part of the methanol fuel cabin protrudes out of the groove. Besides one side of the wall plate of the methanol fuel cabin, an isolation air cabin surrounding the lower part of the methanol fuel cabin is arranged in the groove, and the methanol fuel cabin and the isolation air cabin share the same cabin wall. According to the methanol fuel cabin, all the reinforcing structures are turned outwards in the isolation empty cabin, so that the complete cabin cleaning in the methanol cabin is realized, and the problem of special coating in the methanol cabin is solved. Meanwhile, the methanol fuel cabin is half of the methanol fuel cabin above the deck, so that the cabin capacity of the methanol fuel cabin is continuously enlarged, and the occupation of the cabin capacity of the cargo cabin is reduced.
Description
Technical Field
The invention belongs to the field of ship construction and design, and particularly relates to a ship with a sunken methanol fuel cabin on a side.
Background
Green methanol is currently being regarded as a carbon-neutral fuel, and is being concerned by the navigation world in order to obtain more carbon emission reduction effects. As a marine fuel, methanol can reduce sulfur oxides (SOx) by about 99%, nitrogen oxide emissions by 80% and carbon dioxide emissions by up to 25%. Methanol has wide development feasibility as a marine fuel worldwide, and 122 ports among hundreds of ports worldwide can be added with methanol fuel.
The liquid methanol fuel has better economical efficiency at normal temperature and normal pressure, so the liquid methanol fuel is favored, and in the current design of the methanol fuel ship, the arrangement problem of the methanol fuel tank is that: (1) The methanol is low-flash-point fuel, and compared with the conventional fuel, the methanol fuel tank has larger volume, the space of the cabin area is limited, and the cabin can not meet the endurance requirement. (2) The required space of methyl alcohol fuel jar arrangement is great, compares the MGO fuel volume ratio coefficient and is about 2.44, compares the LNG fuel volume ratio coefficient and is about 1.4, places the methyl alcohol fuel jar on the deck, and the base that the jar body had can lead to the deck space to occupy too big, and then leads to the pipeline on the deck to be unable to arrange in a straight line, seriously extravagant resource. (3) Because methanol fuel is not stable, the methanol fuel tank needs to be at a certain distance from the side of the board, so the base of the methanol fuel tank needs to cross the longitudinal bulkhead, and the stress concentration at the position of the longitudinal bulkhead is serious. (4) If the methanol fuel tank is arranged in the cargo tank, the cargo tank capacity loss is serious, meanwhile, the methanol fuel tank cannot be made into a clean tank due to the supporting structure in the cargo tank, difficulty is caused in special coating, the cost is increased, the total longitudinal bending moment shearing force is increased, the weight of an empty ship is increased, and the structure is wasted.
Disclosure of Invention
In order to solve the problems, the invention provides a ship with a sinking methanol fuel cabin, which aims to reduce the loss of the hold capacity of the cargo cabin while ensuring the hold capacity of the methanol fuel cabin, improve the stability of the methanol fuel cabin and avoid the stress concentration at the longitudinal cabin wall, and adopts the technical scheme that:
The utility model provides a ship that broadside has sunken formula methanol fuel cabin, is in hull cargo hold area, and the deck of hull port, starboard department is sunken, and the deck that is located the hull centre is normal altitude, and deck sunken department forms the recess the embedding has the methanol fuel cabin in the recess, hull side planking is as the outer cabin wallboard in methanol fuel cabin, methanol fuel cabin lower part is the cuboid, methanol fuel cabin's upper portion is a hemisphere or is a cuboid, methanol fuel cabin's upper portion protrusion the recess, methanol fuel cabin lower part with recess looks adaptation.
The methanol fuel tank is characterized in that a cargo hold is arranged below the groove, the height of the groove is smaller than 1/2 of the ship body type depth, except for one side of a wall plate of the methanol fuel tank, an isolation empty cabin surrounding the lower part of the methanol fuel tank is arranged in the groove, and the methanol fuel tank and the isolation empty cabin share the same bulkhead.
The ship with the sunken methanol fuel cabin on the side has the advantages that the distance from the top of the methanol fuel cabin to the highest point of the deck of the ship body is D, and D is less than 10m.
In the ship with the sunken methanol fuel tank on the side, a plurality of transverse reinforcing ribs and a plurality of longitudinal anti-tilting toggle plates are arranged between the grooves and the lower cargo tank, and the transverse reinforcing ribs and the longitudinal anti-tilting toggle plates are mutually perpendicular.
In the ship with the sunken methanol fuel tanks on the side, more than one step, the transverse reinforcing ribs are two, and the space heights of A1, A2, A3, A1A 2A 3,0< A1<1200,0< A2<1000,0< A3<800 are respectively formed from top to bottom.
Above-mentioned ship that broadside had sunken formula methanol fuel cabin, more further, be fixed with a plurality of bar longitudinal ribs on the bulkhead of methanol fuel cabin, longitudinal rib follows methanol fuel cabin length direction arranges, and a plurality of longitudinal ribs are in methanol fuel cabin circumference equidistant setting.
In the ship with the sunken methanol fuel cabin on the side, the longitudinal ribs adjacent to the isolation empty cabin are located in the isolation empty cabin, and the longitudinal ribs far away from the isolation empty cabin are located in the methanol fuel cabin.
Above-mentioned ship that broadside had sunken formula methanol fuel cabin, further, the longitudinal rib outer hoop has strong frame, strong frame is around the circumference of methanol fuel cabin is twined one round, with longitudinal rib vertical welding, open there is the manhole on the strong frame.
The invention adopts a structure that the bottom of the methanol fuel is of a cuboid structure and is embedded into a groove formed by a sinking deck, and a common bulkhead is used with an isolation empty cabin, so that a base carried by a methanol fuel tank in the prior art can be canceled, the problem of unstable high gravity center in the prior art is solved, the stability of the methanol fuel cabin is ensured, and the problem of stress concentration at a longitudinal bulkhead is avoided.
According to the methanol fuel cabin, all the reinforcing structures are turned outwards in the isolation empty cabin, so that the complete cabin cleaning in the methanol cabin is realized, and the problem of special coating in the methanol cabin is solved. Meanwhile, as the top of the methanol fuel tank is higher than the top of the groove, half of the methanol fuel tank is above the deck, the capacity of the methanol fuel tank is continuously enlarged by utilizing the transformation between the methanol fuel tank and the ballast tank and the volume of the cargo tank of the protruding deck, and the occupation of the capacity of the cargo tank is reduced.
Because the methanol fuel does not need to be stored in a high-pressure environment, only the space between cabins is needed to be increased, and the problem of low utilization rate of cabins in the prior art can be solved.
Drawings
FIG. 1 is a schematic diagram of a structure in which the upper part of a methanol fuel tank is a semicircle;
FIG. 2 is a schematic diagram of a structure in which the upper part of the methanol fuel tank is rectangular;
FIG. 3 is a schematic view of a submerged deck below support structure;
FIG. 4 is a schematic perspective view of a methanol fuel tank;
Wherein, 1-methanol fuel tank, 2-isolation empty cabin, 3-side ballast tank, 4-cargo hold, 6-deck, 7-longitudinal reinforcing rib, 8-transverse reinforcing rib, 9-longitudinal anti-tilting toggle plate and 10-strong frame.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
Example 1
In the ship with the sunken methanol fuel cabin shown in fig. 1, in the cargo area of the ship body, decks at the port side and the starboard side of the ship body are sunken, a deck 6 positioned in the middle of the ship body is at normal height, a groove is formed at the sunken position of the deck, the height of the groove is smaller than 1/2 of the depth of the ship body, the methanol fuel cabin 1 is embedded in the groove, a side outer plate 3 of the ship body is used as an outer cabin wall plate of the methanol fuel cabin, the lower part of the methanol fuel cabin is cuboid, the size of the cuboid at the lower part of the methanol fuel cabin is matched with the size of the groove, and the lower part of the methanol fuel cabin is matched with the groove.
Besides one side of the wall plate of the methanol fuel cabin, an isolation air cabin 2 surrounding the lower part of the methanol fuel cabin is arranged in the groove, and the methanol fuel cabin and the isolation air cabin share the same cabin wall. The upper part of the methanol fuel cabin is provided with a hemispherical body protruding groove, the top of the hemispherical body is higher than the normal deck of the ship body, and the distance between the top of the methanol fuel cabin and the highest point of the deck of the ship body is D, wherein D is less than 10m. The base between the deck and the tank body in the prior art can be canceled, the problem of unstable center of gravity is too high in the prior art is solved, the stability is increased, and the aim of stress concentration at the longitudinal bulkhead is avoided.
The methanol fuel cabin has the advantages that shielding is not formed on the deck, the hemispheres on the deck are expanded into cuboid bodies for expanding the cabin capacity and saving welding process, and the cabin capacity can be increased compared with the hemispheric methanol cabin scheme.
Below the recess is a cargo compartment, i.e. below the methanol fuel compartment is provided with a cargo compartment 4, as shown in fig. 3, between the recess and the cargo compartment below, two transverse ribs 8 and a plurality of longitudinal anti-tilting toggle plates 9 are provided, which are mutually perpendicular. As shown in the figure, the two transverse reinforcing ribs form space heights A1, A2 and A3 from top to bottom, wherein A1 is greater than A2 and A3,0 is greater than A1 and 1200,0 is greater than A2 and 1000, and 0 is greater than A3 and 800 respectively.
As shown in fig. 4, a plurality of strip-shaped longitudinal reinforcing ribs 7 are circumferentially fixed along the outer surface of the methanol fuel tank, the length of the longitudinal reinforcing ribs is the same as that of the methanol fuel tank, and the longitudinal reinforcing ribs are arranged at equal intervals. The multi-channel longitudinal reinforcing ribs are provided with a strong frame 10, a circle of strong frames are circumferentially arranged along the outer surface of the methanol fuel cabin and are welded perpendicularly to the longitudinal reinforcing ribs, the longitudinal reinforcing ribs and the transverse strong frames are both positioned in the isolation empty cabin, the multi-circle frames are arranged at equal intervals along the length direction of the methanol fuel cabin, and manholes capable of passing are formed in the strong frames.
Because the coating in the methanol cabin is a special material and is expensive and should be used as little as possible, the methanol fuel cabin in the invention is designed as a clean cabin, i.e. the cabin has no component, the components below the sinking deck are all arranged in the isolation empty cabin, and the components above the sinking deck are turned outwards and are arranged outside the methanol cabin.
As shown in fig. 2, the upper part of the methanol fuel tank can also be a cuboid, the cuboid protrudes out of the groove, and the top of the cuboid is higher than the normal deck of the ship body.
The methanol fuel cabin is completely erected on the sinking deck, a transverse reinforcing rib structure is arranged below the sinking deck, the structure can be used as a deck strong beam or a transverse support of the cargo hold area, the sinking deck is combined with the transverse reinforcing ribs, and the longitudinal bulkhead is supported, so that the original transverse support structure in the middle cargo hold can be canceled, the structural layout is reasonable, the load distribution is uniform, the methanol fuel cabin capacity is further increased while the cargo hold capacity is further increased under the condition of meeting the methanol cabin layout, the occupied cargo hold capacity is also saved, the structural size is optimized, the structural weight is reduced, the construction process is simplified, and the methanol fuel cabin has the advantages of low cost and high strength.
The methanol fuel cabin is completely erected on the sinking deck, the deck girder structure is arranged below the sinking deck, the structure can be used as a deck girder and can also be used as a transverse strut of the cargo compartment area, the sinking deck is combined with the deck girder, and the longitudinal bulkhead has a supporting effect, so that the original transverse strut structure in the middle cargo compartment can be canceled, the structural layout is reasonable, the load distribution is uniform, the occupation of the cargo compartment capacity of the cargo compartment area is further saved while the methanol cabin is further increased under the condition of meeting the methanol cabin layout, the structural size is optimized, the structural weight is reduced, the construction process is simplified, and the methanol fuel cabin has the advantages of low cost and high strength.
Claims (7)
1. The ship with the sunken methanol fuel cabin on the side is characterized in that in a ship body cargo area, decks at the port side and the starboard side of the ship body are sunken, a deck (6) positioned in the middle of the ship body is at a normal height, a groove is formed in the sunken position of the deck, a methanol fuel cabin (1) is embedded in the groove, a ship body side outer plate (3) is used as an outer cabin wall plate of the methanol fuel cabin, the lower part of the methanol fuel cabin is a cuboid, the upper part of the methanol fuel cabin is a semicircle or a cuboid, the upper part of the methanol fuel cabin protrudes out of the groove, and the lower part of the methanol fuel cabin is matched with the groove;
The methanol fuel tank is characterized in that a cargo hold (4) is arranged below the groove, the height of the groove is smaller than 1/2 of the ship body depth, except for one side of a wall plate of the methanol fuel tank, an isolation air tank (2) surrounding the lower part of the methanol fuel tank is arranged in the groove, and the methanol fuel tank and the isolation air tank share the same bulkhead.
2. A ship with a sunken methanol fuel tank on the side as claimed in claim 1, wherein the top of the methanol fuel tank is located at a distance D < 10m from the highest point of the deck of the ship.
3. A ship with a sunken methanol fuel compartment on the side as claimed in claim 1, characterized in that between said recess and said cargo compartment below, a plurality of transverse ribs (8) and a plurality of longitudinal anti-tilting toggle plates (9) are provided, said transverse ribs and said longitudinal anti-tilting toggle plates being mutually perpendicular.
4. A ship with a sunken methanol fuel tank on the side as claimed in claim 3, wherein the number of the transverse ribs is two, and the space heights of the transverse ribs from top to bottom are A1, A2, A3, A1> A2> A3,0< A1<1200,0< A2<1000,0< A3<800 respectively.
5. A ship with a sunken methanol fuel compartment on the side as claimed in claim 1, characterized in that a plurality of strip-shaped longitudinal ribs (7) are fixed on the bulkhead of the methanol fuel compartment, the longitudinal ribs are arranged along the length direction of the methanol fuel compartment, and a plurality of longitudinal ribs are arranged at equal intervals in the circumferential direction of the methanol fuel compartment.
6. A ship with a sunken methanol fuel compartment on the side as claimed in claim 5, wherein said longitudinal rib adjacent to said space is located in said space and said longitudinal rib remote from said space is located in said methanol fuel compartment.
7. A ship with a sunken methanol fuel compartment on the side as claimed in claim 5, characterized in that the longitudinal ribs are externally hooped with a strong frame (10) which is wound around the methanol fuel compartment in one turn around the circumference and welded perpendicularly to the longitudinal ribs, and the strong frame is provided with manholes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321622362.5U CN220809711U (en) | 2023-06-26 | 2023-06-26 | Ship with sunken methanol fuel cabin on side |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321622362.5U CN220809711U (en) | 2023-06-26 | 2023-06-26 | Ship with sunken methanol fuel cabin on side |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220809711U true CN220809711U (en) | 2024-04-19 |
Family
ID=90679244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321622362.5U Active CN220809711U (en) | 2023-06-26 | 2023-06-26 | Ship with sunken methanol fuel cabin on side |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220809711U (en) |
-
2023
- 2023-06-26 CN CN202321622362.5U patent/CN220809711U/en active Active
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