CN220764617U - Ship with sinking methanol fuel cabin - Google Patents
Ship with sinking methanol fuel cabin Download PDFInfo
- Publication number
- CN220764617U CN220764617U CN202321622369.7U CN202321622369U CN220764617U CN 220764617 U CN220764617 U CN 220764617U CN 202321622369 U CN202321622369 U CN 202321622369U CN 220764617 U CN220764617 U CN 220764617U
- Authority
- CN
- China
- Prior art keywords
- methanol fuel
- cabin
- ship
- groove
- fuel tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 373
- 239000000446 fuel Substances 0.000 title claims abstract description 64
- 239000002828 fuel tank Substances 0.000 claims abstract description 52
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 24
- 238000002955 isolation Methods 0.000 claims abstract description 15
- 239000003351 stiffener Substances 0.000 claims 2
- 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
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 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
- 239000011800 void material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
A ship with a sinking methanol fuel tank is characterized in that the left side and the right side of the ship body are provided with side ballast tanks, a deck adjacent to the side ballast tanks is sunk in the cargo tank area of the ship body, the deck positioned in the middle of the ship body is at normal height, a groove is formed in the sunk position of the deck, the depth of the groove is less than 1/2 of the shape depth of the ship body, and the cargo tank is arranged below the groove. The methanol fuel cabin is placed in the groove, the lower part of the methanol fuel cabin is cuboid, the cuboid size of the lower part of the methanol fuel cabin is matched with the groove size, the lower part of the methanol fuel cabin is embedded into the groove, 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 bulkhead. 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 utility model belongs to the field of ship construction and design, and particularly relates to a ship with a sinking methanol fuel tank.
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 utility model 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 ship with the sunken methanol fuel tanks is characterized in that the left side and the right side of the ship body are provided with side ballast tanks, a deck adjacent to the side ballast tanks is sunken in a cargo area of the ship body, the deck in the middle of the ship body is at a normal height, a groove is formed in the sunken position of the deck, the depth of the groove is less than 1/2 of the profile depth of the ship body, and a cargo hold is arranged below the groove.
The methanol fuel cabin is arranged in the groove in a sitting mode, the lower portion of the methanol fuel cabin is cuboid, the cuboid size of the lower portion of the methanol fuel cabin is matched with the size of the groove, the lower portion of the methanol fuel cabin is embedded into the groove, an isolation air cabin surrounding the lower portion of the methanol fuel cabin is arranged in the groove, and the methanol fuel cabin and the isolation air cabin share the same bulkhead.
The upper part of the methanol fuel tank can be a semicircle or a cuboid, and the upper part of the methanol fuel tank protrudes out of the groove.
The ship with the sinking methanol fuel cabin has the advantages that the distance between the top of the methanol fuel cabin and 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, 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.
The ship with the sinking methanol fuel tanks further comprises two transverse reinforcing ribs, wherein the space heights of the transverse reinforcing ribs from top to bottom are A1, A2, A3, A1A 2A 3,0< A1<1200,0< A2<1000,0< A3<800 respectively.
According to the ship with the sinking type methanol fuel cabin, the plurality of strip-shaped longitudinal reinforcing ribs are fixed along the circumferential direction of the outer surface of the methanol fuel cabin, the length of the longitudinal reinforcing ribs is the same as that of the methanol fuel cabin, and the plurality of longitudinal reinforcing ribs are arranged at equal intervals.
A strong frame is arranged outside the plurality of longitudinal reinforcing ribs, the strong frame is circumferentially arranged along the outer surface of the methanol fuel tank and is welded with the longitudinal reinforcing ribs vertically, and a manhole is formed in the strong frame.
The ship with the sunken methanol fuel cabin is characterized in that the longitudinal ribs and the transverse strong frames are positioned in the isolation empty cabin.
The ship with the sinking type methanol fuel tanks further comprises a plurality of strong frames which are arranged at equal intervals along the length direction of the methanol fuel tanks.
The utility model 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 side ballast tank as an insulating void;
FIG. 4 is a schematic view of a submerged deck below support structure;
FIG. 5 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 utility model will be further described with reference to the accompanying drawings.
Example 1
In the ship with the sinking methanol fuel tanks shown in fig. 1, the side ballast tanks 3 are arranged at the two sides of the ship body, the decks 6 at the left side and the right side of the ship body sink in the cargo area of the ship body to form grooves, the depth of the grooves is smaller than 1/2 of the depth of the ship body, the methanol fuel tanks 1 are arranged in the grooves in a sitting manner, the lower parts of the methanol fuel tanks are cuboid, the size of the cuboid at the lower parts of the methanol fuel tanks is suitable for the size of the grooves, and the lower parts of the methanol fuel tanks are embedded in the grooves.
The lower part of the methanol fuel cabin is embedded into the groove, an isolation empty cabin 2 surrounding the lower part of the methanol fuel cabin is arranged in the groove, the methanol fuel cabin and the isolation empty cabin share the same bulkhead, the upper part of the methanol fuel cabin is a semicircle body, the semicircle body protrudes out of the groove, the top of the semicircle body is higher than the normal deck of the ship body, the distance between the top of the methanol fuel cabin and the highest point of the deck of the ship body is D, and 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 advantage of arranging the upper part of the methanol fuel compartment as a hemisphere is that no shielding is formed on the deck, the increased compartment capacity per 1 unit length is Δ1 compared to the prior art, the increased compartment capacity is unchanged compared to the prior art but the loss of cargo compartment area Δ2 can be saved.
Δ1＝(M1+M2)*B1-π*R2
Δ2＝(M1+M2)*B1
In order to enlarge the cabin capacity and save the welding process, the hemispherical body on the deck is enlarged to be a cuboid, and the cabin capacity can be increased to delta 3 compared with the cylindrical methanol cabin scheme:
Δ3＝(D1+D2)*B1-π*R2
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. 4, 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. 5, 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 utility model 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.
Example 2
A ship with a submerged methanol fuel tank as described in embodiment 1, as shown in fig. 3, the space between the side ballast tank and the methanol fuel tank, which is adjacent to the methanol fuel tank, is eliminated, and the side ballast tank is used as the space of the methanol fuel tank, and the other structures are the same as in embodiment 1.
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 (8)
1. The ship with the sinking methanol fuel tanks is characterized in that the left side and the right side of the ship body are provided with side ballast tanks (3), a deck adjacent to the side ballast tanks is sunk in a cargo area of the ship body, a deck (6) positioned in the middle of the ship body is at a normal height, a groove is formed in the sunk position of the deck, the depth of the groove is less than 1/2 of the profile depth of the ship body, and a cargo hold (4) is arranged below the groove;
the methanol fuel cabin (1) is embedded in the groove, the lower part of the methanol fuel cabin is cuboid, the cuboid size of the lower part of the methanol fuel cabin is matched with the size of the groove, 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 tank is a semicircle or a cuboid, and the upper part of the methanol fuel tank protrudes out of the groove.
2. A ship with submerged methanol fuel tanks according to claim 1, characterized in that the space tanks adjacent to the side ballast tanks are eliminated, which side ballast tanks replace the space tanks adjacent to the side ballast tanks.
3. A ship with a submerged methanol fuel tank according to claim 1, characterized in that the distance of the top of the methanol fuel tank from the highest point of the hull deck is D, D <10 m.
4. A ship with a sunken methanol fuel tank as in claim 1, characterized in that between the recess and the underlying cargo tank, a plurality of transverse ribs (8) and a plurality of longitudinal anti-tilting brackets (9) are provided, which are perpendicular to each other.
5. The ship with a submerged methanol fuel tank of claim 4, wherein the plurality of transverse stiffeners are two, and the space heights of the transverse stiffeners from top to bottom are A1, A2, A3, A1> A2> A3,0< A1<1200,0< A2<1000,0< A3<800, respectively.
6. A ship with a submerged methanol fuel tank according to claim 1, characterized in that the external surface of the methanol fuel tank is fixed with a plurality of strip-shaped longitudinal reinforcing ribs (7), the longitudinal reinforcing ribs are arranged along the length direction of the methanol fuel tank, and a plurality of longitudinal ribs are arranged at equal intervals in the circumferential direction of the methanol fuel tank;
the longitudinal ribs are externally hooped with a strong frame (10), the strong frame is wound around the circumference of the methanol fuel cabin for one circle and is welded with the longitudinal ribs vertically, and the strong frame is provided with a manhole.
7. A ship with a submerged methanol fuel tank according to claim 6, characterized in that the longitudinal ribs and the strong frame are both located in the insulating space tank.
8. A ship with a submerged methanol fuel tank according to claim 6, characterized in that a plurality of strong frames are arranged at equal intervals along the length of the methanol fuel tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321622369.7U CN220764617U (en) | 2023-06-26 | 2023-06-26 | Ship with sinking methanol fuel cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321622369.7U CN220764617U (en) | 2023-06-26 | 2023-06-26 | Ship with sinking methanol fuel cabin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220764617U true CN220764617U (en) | 2024-04-12 |
Family
ID=90619483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321622369.7U Active CN220764617U (en) | 2023-06-26 | 2023-06-26 | Ship with sinking methanol fuel cabin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220764617U (en) |
-
2023
- 2023-06-26 CN CN202321622369.7U patent/CN220764617U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8671863B2 (en) | Hull conversion of existing vessels for tank integration | |
| CN112356972A (en) | Liquefied natural gas transport ship and liquefied natural gas transport system | |
| CN113955044A (en) | Method for carrying total section of LNG (liquefied Natural gas) cabin of container ship, total section of LNG cabin and container ship | |
| CN111634372A (en) | Independent liquid cargo hold containment system and liquefied gas carrier | |
| CN116331414A (en) | Supporting structure of cargo tank and hull and ship | |
| CN220764617U (en) | Ship with sinking methanol fuel cabin | |
| CN220809711U (en) | Ship with sunken methanol fuel cabin on side | |
| CN111409776B (en) | Rhombic isolation empty cabin structure of liquefied gas carrier | |
| CN112849342A (en) | Double-lug LNG tank | |
| CN216185810U (en) | Ship with sunken LNG tank supports | |
| KR102192104B1 (en) | Pressure Tank and Ship having the same | |
| CN214875414U (en) | Double-lug LNG tank | |
| CN215922464U (en) | Antifatigue bottom stool structure for bulk carrier | |
| RU2526147C2 (en) | Reservoir with sloping walls | |
| CN114104190A (en) | Low-temperature fuel tank structure for ship | |
| CN211894526U (en) | Tank deck bearing structure and storage jar | |
| CN114750872A (en) | Gas-liquid combined dome structure of B-type LNG fuel tank for dual-fuel ultra-large container ship | |
| CN221563355U (en) | Cargo hold structure of carbon dioxide transport ship | |
| JP2022158763A (en) | Hydrogen tank vessel | |
| CN218949397U (en) | Cargo tank layout structure of gas transport ship | |
| CN221914573U (en) | Base mounting structure and boats and ships suitable for boats and ships cabin | |
| CN216887110U (en) | Low-temperature fuel tank structure for ship | |
| CN220662772U (en) | Middle longitudinal structure of carbon dioxide liquefied gas carrier | |
| CN220809712U (en) | Methanol fuel cabin protruding out of deck | |
| CN221316554U (en) | Longitudinal support structure and floating storage device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |