CN113335457B - Liquid tank support with leakage liquid storage structure - Google Patents
Liquid tank support with leakage liquid storage structure Download PDFInfo
- Publication number
- CN113335457B CN113335457B CN202110813665.4A CN202110813665A CN113335457B CN 113335457 B CN113335457 B CN 113335457B CN 202110813665 A CN202110813665 A CN 202110813665A CN 113335457 B CN113335457 B CN 113335457B
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- Prior art keywords
- liquid
- base
- support
- storage structure
- tank
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
- B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
- B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
- B63B25/12—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed
- B63B25/16—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed heat-insulated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
- B63B17/0027—Tanks for fuel or the like ; Accessories therefor, e.g. tank filler caps
- B63B17/0036—Arrangements for minimizing pollution by accidents
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention relates to the technical field of liquefied gas carriers, in particular to a liquid tank support of a rhombic independent liquid cargo tank. The invention provides a liquid tank support with a leaked liquid storage structure, which is positioned at the bottom of a liquid tank and comprises a plurality of vertical supports and the leaked liquid storage structure, wherein each vertical support comprises a skid and a support base, the bottom of the liquid tank is also provided with a leaked liquid guide structure, two ends of each leaked liquid storage structure are connected between two adjacent support bases through fastening devices, each fastening device comprises a base fixed on each support base, laminated wood is fixed in each base, limiting plates are fixed at two ends of each leaked liquid storage structure, the limiting plates are embedded in the laminated wood, and the leaked liquid guide structures are connected with openings of the leaked liquid storage structures. The invention has the function of storing leaked liquid while ensuring the vertical supporting function of the liquid cargo tank, and can prevent the low temperature of liquid cargo in the liquid cargo tank from being transferred to the ship body.
Description
Technical Field
The invention relates to the technical field of liquefied gas carriers, in particular to a liquid tank support of a rhombic independent liquid cargo tank.
Background
The International Maritime Organization (IMO) states in the international rules for the construction and equipment of bulk transport liquefied gas vessels (also known as IGC regulations) that for a liquefied gas vessel having a self-contained liquid cargo tank, when the cargo containment system has two levels of perimeter, the first level is the inner member used for cargo loading, and the second level is designed to temporarily contain liquid cargo that may leak out of the first level, while also preventing the leaking cryogenic liquid cargo from contacting the hull structure and causing the temperature to drop to unsafe levels. Because the liquefied gas carrier is used for transporting liquefied gas cargos, and the temperature of the liquefied gas cargos is very low, if the liquefied gas cargos leak onto the ship body in the transportation process, the temperature of the local area of the ship body is suddenly reduced, and the safety of the structure of the ship body is damaged. Therefore, when designing a ship, it is necessary to consider how to lead out and store the leakage liquid.
In summary, the bottom of the liquid tank is provided with a large number of supports, so that the problem that how to simply and effectively solve the problem that leakage liquid smoothly passes through the support area, enters the diversion area and is stored is considered during design.
Disclosure of Invention
The invention aims to solve the technical problem of providing a liquid tank support with a leaked liquid storage structure, which has the important function of storing leaked liquid while ensuring the vertical supporting function of a liquid tank, and ensures that the leaked low-temperature liquid is far away from or not directly contacted with a main hull structure, thereby further causing the damage of the main hull structure caused by low temperature.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a liquid tank support of liquid storage structure is leaked in area is located liquid cargo hold bottom, includes a plurality of vertical supports and leaks liquid storage structure, vertical support includes skid and supports the base, liquid cargo hold bottom still is equipped with leaks liquid water conservancy diversion structure, a serial communication port, the both ends of leaking liquid storage structure are passed through fastener and are connected between two adjacent support bases, fastener is including fixing support base on the base, the base internal fixation has laminated wood, the both ends of leaking liquid storage structure are fixed with the limiting plate, the limiting plate inlays in the laminated wood, leak liquid water conservancy diversion structure with the opening of leaking liquid storage structure is connected.
In a further improvement of the liquid tank support with the leakage liquid storage structure, the outer wall of the liquid tank is provided with an insulating layer, and a leakage channel is reserved between the liquid tank and the insulating layer.
In order to further improve the liquid tank support with the leaked liquid storage structure, the leaked liquid guiding structure comprises the leakage channel, a guiding pipe and a discharging device, wherein the upper end of the guiding pipe is communicated with the leakage channel, the lower end of the guiding pipe is connected with the discharging device, and the discharging device is positioned at an opening of the leaked liquid storage structure.
The liquid tank support with the leakage liquid storage structure is further improved, a padder coaming is fixed at the bottom of the liquid cargo tank, the top end of the padder is fixed in the padder coaming, and connecting channels are arranged at the top end of the padder and the padder coaming and communicated with the leakage channels.
In a further improvement of the tank support with the leakage liquid storage structure, the connecting channel is composed of a stainless steel pipe embedded at the top end of the skid and a through hole formed in the skid coaming, and the end part of the stainless steel pipe is in butt joint with the through hole.
In a further improvement of the liquid tank support with the leakage liquid storage structure, the top end of the skid is provided with a stainless steel plate, and the surface of the stainless steel plate is provided with a groove to form a connecting channel at the top end of the skid.
The liquid tank support with the leakage liquid storage structure is further improved, the base comprises a base bottom plate, a base vertical plate vertically fixed on the base bottom plate and a base enclosing plate fixed on the side face of the base vertical plate, the laminated wood is fixed in the base enclosing plate through epoxy resin, and the top of the base enclosing plate is provided with a glue injection hole.
In a further improvement of the tank mount with the leaking liquid storing structure according to the present invention, the leaking liquid storing structure is a container formed by a cover plate, a surrounding wall plate and a bottom plate, the opening is provided on the cover plate, an edge of the opening is bent inward, and the limit plate is fixed on the surrounding wall plate.
The support base comprises a support panel and a support bottom plate, a support bracket and a support rib plate are arranged between the support panel and the support bottom plate, a wood cushion groove is arranged on the support panel, a stainless steel sheet is arranged in the wood cushion groove, the stainless steel sheet is fixed on the support panel through epoxy resin, and the bottom end of the wood cushion is placed on the stainless steel sheet.
In a further improvement of the above-described tank mount with a leaking liquid storing structure according to the present invention, the support rib has a plurality of support ribs arranged in parallel, and at least one support rib is located below the base.
Compared with the prior art, the invention has the following beneficial effects.
The liquid tank support with the leaked liquid storage structure is arranged at the bottom of a liquid cargo tank and comprises a vertical support and the leaked liquid storage structure, wherein the vertical support plays a supporting role on the liquid cargo tank, and the leaked liquid storage structure stores leaked liquid. The invention provides a fastening device for connecting a vertical support and a leakage liquid storage structure, so that the liquid tank support has the functions of supporting a liquid cargo tank and storing leakage liquid. The invention also provides a leaked liquid guide structure, so that leaked liquid can smoothly enter the leaked liquid storage structure through the top end of the vertical support. The invention has the advantages of simple structure, complete function and low cost, plays a role in storing leaked liquid while ensuring the vertical supporting function of the cargo tank, can prevent the low temperature of the liquid cargo in the cargo tank from being transferred to the ship body, and plays a role in thermal insulation.
Drawings
FIG. 1 is a schematic overall view of a tank mount with a leaking liquid storage structure according to the present invention;
FIG. 2 is a schematic view of a tank using a tank mount with a leaking liquid storage structure of the present invention;
FIG. 3 is a schematic view of a fastening device for a tank mount with a leaking liquid storage structure according to the present invention;
FIG. 4 is a schematic illustration of a localized area of a tank mount with a leaking liquid storage structure of the present invention;
FIG. 5 is a schematic illustration of a localized area of a tank mount with a leaking liquid storage structure of the present invention;
FIG. 6 is a schematic view of a connecting passage in a tank mount with a leaking liquid storage structure according to the present invention;
FIG. 7 is a schematic top view of a support base in a tank mount with a leaking liquid storage structure according to the present invention.
Description of reference numerals:
100-vertical support 200-leakage liquid storage structure 300-leakage liquid guide structure 400-fastening device
1-liquid cargo tank 2-limiting plate 3-laminated wood 4-epoxy resin 5-base coaming
6-base vertical plate 7-base ribbed plate 8-base bottom plate 9-glue injection hole 10-base
11-skid 12-skid coaming 13-supporting base 14-connecting channel 15-heat-insulating layer
16-leakage passage 18-through hole 19-stainless steel plate 20-draft tube 21-relief device
22-cover plate 23-enclosure wall plate 24-bottom plate 25-support panel 26-support bottom plate
27-support toggle plate 28-support rib plate 29-cushion wood groove 30-stainless steel sheet 31-epoxy resin
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and are not intended to limit the present invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, 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.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the preferred embodiment of the tank support with a leaking liquid storage structure according to the invention shown in fig. 1 and 2, the tank 1 is a separate tank which does not form part of the hull structure, and the tank support according to the invention is located at the bottom of the tank 1 and supports the tank 1 for placement in the hull.
The tank stand according to the invention comprises a plurality of vertical stands 100 and a leaking liquid storage structure 200, which leaking liquid storage structure 200 is connected at both ends between two adjacent vertical stands 100 by fastening means 400. The vertical support 100 comprises a skid 11 and a support base 13 positioned below the skid 11, and the fastening device 400 is installed on the support base 13. The fastening device 400 includes a base 10 fixed on a support base 13 and laminated wood 3 fixed in the base 10. The leaking liquid storage structure 200 is fixed with the limiting plates 2 at both ends, and the limiting plates 2 are embedded in the laminated wood 3, so that the leaking liquid storage structure 200 and the fastening device 400 are connected.
The outer wall of the liquid cargo tank 1 is provided with a heat preservation layer 15, and the heat preservation layer 15 comprises a splash-proof screen, a heat preservation plate and a protection layer. Between the cargo tank 1 and the insulation 15 a leakage channel 16 remains.
The liquid tank support of the present invention further comprises a leakage liquid guiding structure 300, as shown in fig. 5, the leakage liquid guiding structure 300 comprises a leakage passage 16, a flow guiding pipe 20 communicated with the leakage passage 16, and a drainage device 21 connected to the lower end of the flow guiding pipe. The leaking liquid guiding structure 300 serves to guide the leaking liquid into the leaking liquid storing structure 200. The leaking liquid storing structure 200 is provided with an opening, and the drain 21 is located at the opening of said leaking liquid storing structure 200. In a preferred embodiment, the relief device 21 is a rupture disc.
As shown in fig. 3, the base 10 of the present invention includes a base bottom plate 8, a base vertical plate 6 vertically fixed on the base bottom plate 8, and a base enclosing plate 5 fixed on a side surface of the base vertical plate 6, wherein the laminated wood 3 is fixed in the base enclosing plate 5 through an epoxy resin 4, and a glue injection hole 9 is provided at a top of the base enclosing plate 5. In the preferred embodiment, base 10 also includes base ribs 7 that are vertically connected to base floor 8 and base riser 6.
The operation process of pouring the epoxy resin on the base 10 is as follows: the laminated wood 3 is placed in the base enclosing plate 5, the laminated wood 3 and the base enclosing plate 5 are sealed through a plastic film, then the epoxy resin 4 is injected between the laminated wood 3 and the base enclosing plate 5 from the glue injection hole 9, and the plastic film is removed after the pouring is finished.
As shown in fig. 4 and 6, a skid apron 12 is fixed at the upper end of a vertical support 100, the skid apron 12 is fixed at the bottom end of the cargo tank 1, the top end of a skid 11 is fixed in the skid apron 12, a connecting channel 14 is arranged at the top end of the skid 11 and the skid apron 12, and the connecting channel 14 is communicated with a leakage channel 16, so that leaked liquid can smoothly pass through the support area. The connecting channel 14 is composed of a stainless steel pipe embedded at the top end of the skid 11 and a through hole 18 arranged on the skid enclosing plate 12, and the end part of the stainless steel pipe is butted with the through hole 18. In another embodiment, a stainless steel plate 19 is mounted at the top end of the skid 11, and a groove is formed in the surface of the stainless steel plate 19 and is communicated with a through hole 18 formed in the skid enclosing plate 12 to form a connecting channel at the top end of the skid 11.
As shown in fig. 5, the leaking liquid storing structure 200 is a container constituted by a cover plate 22, a surrounding wall plate 23 and a bottom plate 24 for storing leaking liquid. The cover plate 22 is provided with an opening, and the edge of the opening is bent inwards, so that the leakage liquid can be prevented from splashing in the discharging process, and the stored liquid can be prevented from splashing when the ship rocks to influence the structural safety of the ship body. The cover plate 22 is formed by cold bending a steel plate, which is beneficial to reducing welding seams and improving the sealing performance of the leaked liquid storage structure 200. The outer side of the bottom plate 24 is provided with a thermal insulation material, and in a preferred embodiment, the thermal insulation material is a PU spraying type. The limiting plate 2 is fixed on the surrounding wall plate 23.
As shown in fig. 4 and 7, the supporting base 13 of the present invention includes a supporting panel 25 and a supporting bottom plate 26, a supporting toggle 27 and a plurality of supporting ribs 28 are disposed between the supporting panel 25 and the supporting bottom plate 26, and a plurality of the supporting ribs 28 are disposed in parallel, and at least one of the supporting ribs 28 is located below the base 10.
In the preferred embodiment, there are 5 parallel support ribs 28, the support toggle 27 is positioned vertically along the center of the 5 support ribs 28, and one support rib is located below the base 10.
The support panel 25 is provided with a wood cushion groove 29, a stainless steel sheet 30 is arranged in the wood cushion groove 29, the stainless steel sheet 30 is fixed on the support panel 25 through epoxy resin 31, the bottom end of the wood cushion 11 is placed on the stainless steel sheet 30, and the wood cushion 11 can move on the stainless steel sheet 30.
The liquid tank support with the leakage liquid storage structure is arranged below a liquid tank 1, the upper part of a vertical support 100 is connected with the bottom of the liquid tank 1 to support the liquid tank, a connecting channel 14 is arranged above the vertical support 100, leakage liquid can pass through the liquid tank support, the connecting channel 14 is communicated with a leakage liquid guide structure 300, and the leakage liquid guide structure 300 guides the leakage liquid into the leakage liquid storage structure 200 for storage. The liquid tank support has the functions of supporting the liquid cargo tank and storing leaked liquid, and can prevent low temperature in the liquid cargo tank 1 from being transferred to the ship body.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (8)
1. The liquid tank support with the leaked liquid storage structure is positioned at the bottom of a liquid tank (1) and comprises a plurality of vertical supports (100) and the leaked liquid storage structure (200), wherein each vertical support (100) comprises a skid (11) and a support base (13), the bottom of the liquid tank (1) is also provided with a leaked liquid diversion structure (300), the liquid tank support is characterized in that two ends of the leaked liquid storage structure are connected between two adjacent support bases (13) through fastening devices (400), each fastening device (400) comprises a base (10) fixed on each support base (13), laminated wood (3) is fixed in each base (10), limiting plates (2) are fixed at two ends of the leaked liquid storage structure (200), each limiting plate (2) is embedded in each laminated wood (3), and the leaked liquid diversion structure (300) is connected with an opening of the leaked liquid storage structure (200), cargo tank (1) bottom is fixed with lumber skid bounding wall (12), the top of lumber skid (11) is fixed in lumber skid bounding wall (12), be provided with connecting channel (14) on lumber skid (11) top and lumber skid bounding wall (12), connecting channel (14) communicate with each other with leak passage (16), leak liquid storage structure (200) and constitute the container by apron (22), bulkhead board (23) and bottom plate (24), the opening sets up on apron (22), and the opening edge is incurved, limiting plate (2) are fixed on bulkhead board (23).
2. The liquid tank support with a leaking liquid storing structure according to claim 1, characterized in that the outer wall of the liquid tank (1) is provided with an insulating layer (15), leaving a leakage channel (16) between the liquid tank (1) and the insulating layer (15).
3. The fluid tank holder with a leaking fluid storage structure according to claim 2, wherein the leaking fluid guiding structure (300) comprises the leaking passage (16), and further comprises a guiding tube (20) and a draining device (21), wherein the upper end of the guiding tube (20) is communicated with the leaking passage (16), the lower end of the guiding tube is connected with the draining device (21), and the draining device (21) is located at the opening of the leaking fluid storage structure (200).
4. The tank support with a leaking liquid storing structure according to claim 1, wherein the connecting passage (14) is formed by a stainless steel pipe embedded in the top end of the skid (11) and a through hole (18) provided in the skid apron, and the end of the stainless steel pipe is butted against the through hole (18).
5. The tank support with a leaking liquid storing structure according to claim 1, wherein a stainless steel plate (19) is installed on the top end of the skid (11), and the surface of the stainless steel plate (19) is provided with a groove to form a connecting channel on the top end of the skid (11).
6. The liquid tank support with the leaked liquid storage structure according to claim 1, wherein the base (10) comprises a base bottom plate (8), a base vertical plate (6) vertically fixed on the base bottom plate (8), and a base enclosing plate (5) fixed on the side surface of the base vertical plate (6), the laminated wood (3) is fixed in the base enclosing plate (5) through epoxy resin (4), and the top of the base enclosing plate (5) is provided with a glue injection hole (9).
7. The liquid tank support with the leaked liquid storing structure according to claim 1, wherein the supporting base (13) comprises a supporting panel (25) and a supporting bottom plate (26), a supporting toggle plate (27) and a supporting rib plate (28) are arranged between the supporting panel (25) and the supporting bottom plate (26), a filler groove (29) is arranged on the supporting panel (25), a stainless steel sheet (30) is arranged in the filler groove (29), the stainless steel sheet (30) is fixed on the supporting panel (25) through an epoxy resin (31), and the bottom end of the filler (11) is placed on the stainless steel sheet (30).
8. The tank support with a leaking liquid storing structure according to claim 7, wherein the plurality of support ribs (28) are arranged in parallel, and at least one support rib (28) is located below the base (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110813665.4A CN113335457B (en) | 2021-07-19 | 2021-07-19 | Liquid tank support with leakage liquid storage structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110813665.4A CN113335457B (en) | 2021-07-19 | 2021-07-19 | Liquid tank support with leakage liquid storage structure |
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| Publication Number | Publication Date |
|---|---|
| CN113335457A CN113335457A (en) | 2021-09-03 |
| CN113335457B true CN113335457B (en) | 2022-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110813665.4A Active CN113335457B (en) | 2021-07-19 | 2021-07-19 | Liquid tank support with leakage liquid storage structure |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114228914A (en) * | 2022-02-10 | 2022-03-25 | 江南造船(集团)有限责任公司 | Heat insulation system of B-type liquid cargo tank and B-type liquid cargo tank |
| CN115435239B (en) * | 2022-09-29 | 2024-02-13 | 上海外高桥造船有限公司 | Liquid tank middle maintenance platform |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5941292U (en) * | 1982-09-09 | 1984-03-16 | 石川島播磨重工業株式会社 | Liquid tank leakage device |
| JPS5918086A (en) * | 1982-07-20 | 1984-01-30 | Ishikawajima Harima Heavy Ind Co Ltd | Device for collecting leaked liquid from tank in liquefied natural gas tanker |
| CA1192451A (en) * | 1983-06-23 | 1985-08-27 | Ishikawajima-Harima Jukogyo Kabushiki Kaisha | Protection means for low temperature liquid leak |
| CN108454785B (en) * | 2017-02-17 | 2019-07-19 | 江南造船(集团)有限责任公司 | Type B independent liquid cargo tank leakage fluid goods derived type structure |
| CN108146583B (en) * | 2017-11-10 | 2020-01-14 | 沪东中华造船(集团)有限公司 | B-type LNG cabin enclosure system |
| CN109367709B (en) * | 2018-11-05 | 2024-04-12 | 江南造船(集团)有限责任公司 | Device for collecting liquid leaking from cargo tank |
| CN211810097U (en) * | 2020-03-17 | 2020-10-30 | 江南造船(集团)有限责任公司 | Leakage liquid storage device of independent liquid tank |
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