CN213974367U - Independent liquid cargo hold containment system and liquefied gas transportation ship - Google Patents
Independent liquid cargo hold containment system and liquefied gas transportation ship Download PDFInfo
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- CN213974367U CN213974367U CN202022682164.0U CN202022682164U CN213974367U CN 213974367 U CN213974367 U CN 213974367U CN 202022682164 U CN202022682164 U CN 202022682164U CN 213974367 U CN213974367 U CN 213974367U
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Abstract
The utility model provides an independent liquid cargo hold containment system and a liquefied gas transportation ship, which relate to the technical field of ships, wherein the independent liquid cargo hold containment system comprises a heat insulation layer, a secondary screen wall and a corrosion monitoring sensor; the secondary screen wall is arranged on the outer side surface of the independent liquid cargo tank, and a corrosion monitoring probe of the corrosion monitoring sensor is arranged between the inner side surface of the secondary screen wall and the outer side surface of the independent liquid cargo tank; the heat insulation layer is arranged on the outer side surface of the independent liquid cargo tank and is tightly attached to the secondary screen wall. The liquefied gas transportation ship comprises the independent liquid cargo space containment system. The utility model discloses when having alleviated the containment system to the independent liquid warehouse of A type and B type among the prior art and having under construction, the containment system type is complicated, construction difficulty, and the technical problem that construction cost is high.
Description
Technical Field
The utility model belongs to the technical field of the boats and ships technique and specifically relates to an independent cargo tank containment system and liquefied gas transport ship are related to.
Background
The main types of cargo tanks for bulk transport of liquefied gas vessels are membrane tanks and independent tanks, as defined by the international maritime organization. The independent liquid cargo tank can be subdivided into three types, namely type A, type B and type C; the type A needs a complete secondary screen wall, the type B needs a partial secondary screen wall, and the type C is a pressure container and does not need a secondary screen wall. Because the secondary screen wall is required to be kept liquid-tight by IGC rules, when the enclosure system of the independent liquid cargo cabins of the type A and the type B is constructed, a leakage channel or a flow guide space needs to be arranged, so that after a liquid cabin is cracked, the leaked liquid can be timely detected to be reasonably disposed according to the flow, the potential safety hazard is avoided, and a support structure is arranged to support the leakage channel or the flow guide space; and further heat insulation treatment is carried out on the outer layer of the supporting structure, namely, a heat insulation material is prefabricated into a plurality of heat insulation blocks, the heat insulation blocks are assembled on the outer surface of the liquid tank through bolts, and the heat insulation blocks are combined with the heat insulation blocks through buffer materials.
When the enclosure systems of the A-type and B-type independent liquid cargo cabins are constructed in the prior art, the defects of complex enclosure system type, difficult construction and high construction cost exist at least.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an independent cargo tank containment system and liquefied gas transport ship to when alleviating the containment system to the independent liquid cargo hold of A type and B type that exists among the prior art and constructing, the containment system pattern is complicated, construction difficulty, and the high technical problem of construction cost.
In order to achieve the above object, the embodiment of the present invention adopts the following technical solutions:
in a first aspect, an embodiment of the present invention provides an independent liquid cargo tank containment system, which is installed on an outer side surface of an independent liquid cargo tank on a liquefied gas transport ship, and includes a thermal insulation layer, a secondary screen wall and a corrosion monitoring sensor; wherein: the secondary screen wall is arranged on the outer side face of the independent liquid cargo tank, and a corrosion monitoring probe of the corrosion monitoring sensor is arranged between the inner side face of the secondary screen wall and the outer side face of the independent liquid cargo tank; the heat insulation layer is arranged on the outer side face of the independent liquid cargo tank and is tightly attached to the secondary screen wall.
In an alternative embodiment, the thermal insulation layer includes a primary thermal insulation layer and a secondary thermal insulation layer, the primary thermal insulation layer is installed between an inner side surface of the secondary screen wall and an outer side surface of the independent cargo tank, and the secondary thermal insulation layer is installed on the outer side surface of the secondary screen wall.
In an alternative embodiment, the secondary thermal insulation layer is bonded to the outer side of the secondary barrier by glue.
In an alternative embodiment, a reinforcing skin is provided on both the outer side of the primary insulation layer and the outer side of the secondary insulation layer.
In an alternative embodiment, the independent cargo tank containment system further comprises a bottom laminate block disposed between the bottom inner side of the hull shell of the liquefied gas transportation vessel and the outer side of the secondary thermal insulation layer.
In an optional embodiment, the independent liquid cargo tank containment system further comprises a vertical supporting cushion block, and the vertical supporting cushion block is arranged between one surface, close to the secondary heat insulation layer, of the bottom lamination block and the outer side surface of the independent liquid cargo tank.
In an optional embodiment, the independent cargo tank containment system further comprises a bottom anti-rolling cushion block, and the bottom anti-rolling cushion block is arranged in the middle of the outer side surface of the bottom of the independent cargo tank and clamped on the inner side surface of the hull shell; and/or, the independent liquid cargo tank containment system further comprises a top anti-rolling cushion block, wherein the top anti-rolling cushion block is arranged at the middle position of the outer side surface of the top of the independent liquid cargo tank and is clamped on the inner side surface of the hull shell. Wherein "and/or" means that the bottom and top anti-roll pads are provided at the same time or alternatively.
In an optional embodiment, the independent liquid cargo tank containment system further comprises a liquid cargo tank anti-floating layer pressing block and a ship hull anti-floating layer pressing block;
the cargo tank anti-floating layer pressing block is arranged on the outer side face of the independent cargo tank, the ship body anti-floating layer pressing block is arranged on the inner side face of the top of a ship body shell of the liquefied gas transportation ship, and the cargo tank anti-floating layer pressing block and the ship body anti-floating layer pressing block are vertically spaced from each other.
In a second aspect, an embodiment of the present invention provides a liquefied gas transport ship, including any one of the above embodiments of the independent liquid cargo tank containment system.
In an alternative embodiment, the hull of the liquefied gas transportation vessel comprises an outer hull and an inner hull, and the separate cargo space containment system is disposed inside the inner hull.
The embodiment of the utility model provides a can realize following beneficial effect:
in a first aspect, an embodiment of the present invention provides an independent liquid cargo tank containment system, which is installed on an outer side surface of an independent liquid cargo tank on a liquefied gas transport ship, and includes a thermal insulation layer, a secondary screen wall and a corrosion monitoring sensor; specifically, the secondary screen wall is arranged on the outer side surface of the independent liquid cargo tank; a corrosion monitoring probe of the corrosion monitoring sensor is arranged between the inner side surface of the secondary screen wall and the outer side surface of the independent liquid cargo tank; the heat insulation layer is arranged on the outer side surface of the independent liquid cargo tank and is tightly attached to the secondary screen wall.
The embodiment of the utility model provides a through set up the corrosion monitoring probe of corrosion monitoring sensor between the medial surface of secondary screen wall and the lateral surface of independent cargo tank, thereby, the corruption condition of independent cargo tank is monitored in real time to the corruption potential data that usable corrosion monitoring sensor obtained, rationally arranges the maintenance before the penetration of cargo tank crackle, avoids the production of cargo leakage from the root, thereby improves the security of A type or B type independent cargo tank containment system; according to the technical scheme, the concept that the containment system of the traditional A-type or B-type independent liquid cargo hold containment system is used for dredging leaked cargos is changed, the leakage stoppage strategy is used instead, and the design of a leakage channel or a flow guide space is omitted, so that the type complexity of the containment system is reduced, the construction difficulty is reduced, the construction period is reduced, and the construction cost is reduced.
To sum up, the embodiment of the utility model at least relieves the technical problems of complex type, difficult construction and high construction cost of the enclosure system when the enclosure systems of the A-type and B-type independent liquid cargo warehouses are constructed in the prior art; meanwhile, the corrosion monitoring instrument is arranged in the embodiment, so that the healthy operation of the liquid cargo tank can be ensured, and the hidden trouble of the traditional liquid cargo tank with crack operation is eliminated.
A second aspect of the embodiments of the present invention further provides a liquefied gas transport ship, including the independent cargo tank containment system provided in the first aspect; because the embodiment of the utility model provides a liquefied gas transport ship includes the independent cargo tank containment system that the first aspect provided, therefore, the embodiment of the utility model provides a liquefied gas transport ship can reach all beneficial effects that the independent cargo tank containment system that the first aspect provided can reach.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a cross-sectional view of an installation structure of an independent cargo tank containment system provided by an embodiment of the present invention;
fig. 2 is a schematic view illustrating an installation of a main thermal insulation layer of an independent liquid cargo tank containment system provided by an embodiment of the present invention;
fig. 3 is a schematic view of the installation of the secondary screen wall of the independent liquid cargo tank containment system provided by the embodiment of the present invention;
fig. 4 is a schematic view illustrating installation of a secondary heat insulation layer of an independent cargo tank containment system according to an embodiment of the present invention;
fig. 5 is a schematic view illustrating installation of a bottom cushion block of an independent cargo tank containment system provided by an embodiment of the present invention;
fig. 6 is a schematic view of installing a top cushion block of an independent cargo tank containment system provided by an embodiment of the present invention.
Icon: 1-an outer bottom plate; 2-a side shell; 3-main deck; 4-inner bottom plate; 5-a bottom side cabin inclined plate; 6-inner shell plate; 7-inner deck; 8-independent liquid cargo tank; 9-a primary insulating layer; 10-minor barrier; 11-secondary thermal insulation layer; 12-corrosion monitoring probe; 13-bottom anti-rolling cushion block; 14-vertical support pads; 15-bottom lamination block; 16-top anti-roll cushion block; 17-the liquid cargo tank anti-floating layer is pressed; 18-hull anti-floating layer briquetting.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", "vertical", "horizontal", "inner", "outer", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Example one
The embodiment provides an independent liquid cargo hold containment system, and referring to fig. 1 and fig. 3, the independent liquid cargo hold containment system is installed on the outer side surface of an independent liquid cargo hold 8 on a liquefied gas transportation ship and comprises a heat insulation layer, a secondary screen wall 10 and a corrosion monitoring sensor; specifically, the secondary screen wall 10 is arranged on the outer side surface of the independent liquid cargo tank 8, the secondary screen wall 10 can be arranged at any position of the independent liquid cargo tank 8, and the secondary screen wall 10 is shown to be positioned in a bottom high-stress area of the independent liquid cargo tank 8; a corrosion monitoring probe 12 of the corrosion monitoring sensor is arranged between the inner side surface of the secondary screen wall 10 and the outer side surface of the independent liquid cargo tank 8; the heat insulation layer is arranged on the outer side surface of the independent liquid cargo tank 8 and is tightly attached to the secondary screen wall 10.
Wherein: the secondary wall 10 may be composed of glass cloth, stainless steel or aluminum alloy plate. The corrosion monitoring sensor is an instrument with a corrosion monitoring probe 12, has various application models, detects the corrosion condition by the corrosion monitoring probe 12 and transmits data for corrosion monitoring, is a mature corrosion monitoring instrument at present, and is not limited to a CST1808 coating impedance online corrosion monitor or other types of corrosion monitoring sensors and the like; corrosion monitoring sensors with coated probes are preferably used.
In the embodiment, the corrosion monitoring probe 12 of the corrosion monitoring sensor is arranged between the inner side surface of the secondary screen wall 10 and the outer side surface of the independent liquid cargo tank 8, so that the corrosion potential data obtained by the corrosion monitoring sensor can be used for monitoring the corrosion condition of the independent liquid cargo tank 8 in real time, maintenance is reasonably arranged before cracks of the liquid cargo tank penetrate, and the generation of cargo leakage is fundamentally avoided, thereby improving the safety of the A-type or B-type independent liquid cargo tank containment system; according to the technical scheme, the concept that the containment system of the traditional A-type or B-type independent liquid cargo hold containment system is used for dredging leaked cargos is changed, the leakage stoppage strategy is used instead, and the design of a leakage channel or a flow guide space is omitted, so that the type complexity of the containment system is reduced, the construction difficulty is reduced, the construction period is reduced, and the construction cost is reduced.
In conclusion, the embodiment at least relieves the technical problems of complex type, difficult construction and high construction cost of the enclosure system when the enclosure systems of the A-type and B-type independent liquid cargo cabins are constructed in the prior art; meanwhile, the corrosion monitoring instrument is arranged in the embodiment, so that the healthy operation of the liquid cargo tank can be ensured, and the hidden trouble of the traditional liquid cargo tank with crack operation is eliminated.
Referring to fig. 1, 2 and 4, in an alternative embodiment of this embodiment, it is preferable that the thermal insulation layer includes a primary thermal insulation layer 9 and a secondary thermal insulation layer 11, the primary thermal insulation layer 9 is installed between an inner side surface of the secondary wall 10 and an outer side surface of the independent cargo tank 8, and the secondary thermal insulation layer 11 is installed on the outer side surface of the secondary wall 10. The heat insulation effect is improved by providing two heat insulation layers respectively located at the inner side and the outer side of the secondary barrier 10, wherein the thickness of the secondary heat insulation layer 11 can be set to about 120mm, the secondary heat insulation layer 11 can be only arranged at the bottom of the ship and at a position close to the bottom of the ship, other positions can not be arranged, and correspondingly, the thickness of the main heat insulation layer 9 can be properly reduced at the position where the secondary heat insulation layer 11 is arranged.
For convenience of construction, in an optional implementation manner of this embodiment, it is preferable that the secondary heat insulation layer 11 is bonded to the outer side surface of the secondary screen wall 10 by using an adhesive, and a conventional bolt connection manner is eliminated, so that the installation difficulty is further reduced, and the construction cost is further saved.
Preferably, a reinforcing skin is arranged on the outer side surface of the main heat insulation layer 9 and the outer side surface of the secondary heat insulation layer 11, the reinforcing skin on the outer side surface of the main heat insulation layer 9 plays a role of supporting the main heat insulation layer 9, and the reinforcing skin on the outer side surface of the secondary heat insulation layer 11 plays a role of supporting the secondary heat insulation layer 11, the secondary screen wall 10 and the main heat insulation layer 9 and has a waterproof function.
Referring additionally to fig. 1, 5 and 6, in an alternative embodiment of this embodiment, the independent cargo tank containment system further comprises a bottom pad and a top pad.
Specifically, the method comprises the following steps:
referring to fig. 1 and 5, the bottom pods include a bottom laminate pod 15, vertical bolster pods 14, and bottom anti-roll pods 13. The bottom laminated block 15 is arranged between the inner side surface of the bottom of the hull shell of the liquefied gas transportation ship and the outer side surface of the secondary heat insulation layer 11; the vertical supporting cushion block 14 is arranged between one surface, close to the secondary heat insulation layer 11, of the bottom lamination block 15 and the outer side surface of the independent liquid cargo tank 8; the ship body can support the independent liquid cargo tank 8, can prevent the independent liquid cargo tank 8 from being in direct contact with the ship body to bear low temperature, and avoids the ship body structure from being damaged by low-temperature brittleness. The bottom anti-rolling cushion block 13 is arranged in the middle of the outer side surface of the bottom of the independent liquid cargo tank 8 and is clamped on the inner side surface of the hull shell, and mainly bears the transverse load generated during the movement of the hull.
Referring to fig. 1 and 6, the top head blocks include a top roll block 16, a cargo tank anti-floating layer compact 17, and a hull anti-floating layer compact 18. The top anti-rolling cushion block 16 is arranged in the middle of the outer side surface of the top of the independent liquid cargo tank 8, is clamped on the inner side surface of the hull shell and mainly bears the transverse load generated during the movement of the hull; the cargo tank anti-floating layer pressing block 17 is arranged on the outer side face of the independent cargo tank 8, the ship anti-floating layer pressing block 18 is arranged on the inner side face of the top of a ship shell of the liquefied gas transportation ship, the cargo tank anti-floating layer pressing block 17 and the ship anti-floating layer pressing block 18 are vertically spaced from each other, the spacing distance can be limited to about 50mm, the cargo tank anti-floating layer pressing block 17 and the ship anti-floating layer pressing block 18 are arranged, when the cargo tank enters water, the independent cargo tank 8 can be prevented from being in direct contact with the ship, and the ship structure is prevented from being damaged by low temperature.
Example two
The present embodiment provides a liquefied gas transport vessel including an independent cargo tank containment system as provided in any one of the alternative embodiments of the present embodiment.
Preferably, the hull of the liquefied gas transportation vessel comprises an outer hull and an inner hull, and the independent liquid cargo tank containment system is arranged inside the inner hull, and specifically, as shown in fig. 1, the outer hull comprises an outer bottom plate 1, a side outer plate 2 and a main deck 3 which are connected in sequence; the inner hull comprises an inner bottom plate 4, a bottom side cabin inclined plate 5, an inner shell plate 6 and an inner deck 7 which are connected in sequence; the separate tank 8 is placed in the hull hold space inside the inner hull. The independent liquid cargo tank 8 is arranged on the double-bottom double-shell ship body, so that the safety factor is high, and the risk of collision and breakdown can be effectively reduced.
Since the liquefied gas transport vessel provided by this embodiment includes the independent liquid cargo tank containment system described in the first embodiment, the liquefied gas transport vessel provided by this embodiment can achieve all the advantages that can be achieved by the independent liquid cargo tank containment system in the first embodiment, and the specific structure and the achievable effects thereof can be obtained with reference to each optional or preferred embodiment in the first embodiment.
Finally, it should be noted that: the embodiments in the present description are all described in a progressive manner, each embodiment focuses on the differences from the other embodiments, and the same and similar parts among the embodiments can be referred to each other; the above embodiments in the present specification are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. An independent liquid cargo hold containment system is arranged on the outer side surface of an independent liquid cargo hold (8) on a liquefied gas transportation ship, and is characterized by comprising a heat insulation layer, a secondary screen wall (10) and a corrosion monitoring sensor;
the secondary screen wall (10) is arranged on the outer side surface of the independent liquid cargo tank (8);
a corrosion monitoring probe (12) of the corrosion monitoring sensor is arranged between the inner side surface of the secondary screen wall (10) and the outer side surface of the independent liquid cargo tank (8);
the heat insulation layer is arranged on the outer side surface of the independent liquid cargo tank (8) and is tightly attached to the secondary screen wall (10).
2. An independent cargo tank containment system according to claim 1 wherein the insulation comprises a primary insulation (9) and a secondary insulation (11), the primary insulation (9) being mounted between the inner side of the secondary barrier (10) and the outer side of the independent cargo tank (8), the secondary insulation (11) being mounted to the outer side of the secondary barrier (10).
3. An individual cargo tank containment system according to claim 2 wherein the secondary insulation layer (11) is adhered to the outer side of the secondary barrier (10) by adhesive.
4. An independent cargo tank containment system according to claim 2 wherein a reinforcing skin is provided on both the outer side of the primary insulation layer (9) and the outer side of the secondary insulation layer (11).
5. An individual cargo tank containment system according to claim 2 further comprising a bottom laminate block (15), the bottom laminate block (15) being disposed between the bottom inside of the hull shell of the liquefied gas transportation vessel and the outside of the secondary thermal insulation layer (11).
6. The independent cargo tank containment system according to claim 5, further comprising a vertical spacer block (14), wherein the vertical spacer block (14) is disposed between a side of the bottom lamination block (15) adjacent to the secondary thermal insulation layer (11) and an outer side of the independent cargo tank (8).
7. The independent cargo tank containment system according to claim 1, further comprising a bottom anti-rolling cushion block (13), wherein the bottom anti-rolling cushion block (13) is arranged in the middle of the outer side surface of the bottom of the independent cargo tank (8) and is clamped on the inner side surface of the hull shell;
and/or, the independent liquid cargo hold containment system further comprises a top anti-rolling cushion block (16), wherein the top anti-rolling cushion block (16) is arranged in the middle of the outer side surface of the top of the independent liquid cargo hold (8) and is clamped on the inner side surface of the hull.
8. The independent cargo tank containment system according to claim 1 further comprising a cargo tank ballast weight (17) and a hull ballast weight (18);
cargo tank anti-floating layer pressing block (17) is arranged on the outer side face of the independent cargo tank (8), ship body anti-floating layer pressing block (18) is arranged on the inner side face of the top of a ship body shell of the liquefied gas transportation ship, and cargo tank anti-floating layer pressing block (17) and ship body anti-floating layer pressing block (18) are vertically spaced from each other.
9. A liquefied gas transport vessel including an independent cargo tank containment system as claimed in any one of claims 1 to 8.
10. The liquefied gas transport vessel according to claim 9, wherein the hull of the liquefied gas transport vessel includes an outer hull and an inner hull, and the independent liquid cargo tank containment system is provided inside the inner hull.
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| CN202022682164.0U CN213974367U (en) | 2020-11-18 | 2020-11-18 | Independent liquid cargo hold containment system and liquefied gas transportation ship |
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| CN202022682164.0U CN213974367U (en) | 2020-11-18 | 2020-11-18 | Independent liquid cargo hold containment system and liquefied gas transportation ship |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115199941A (en) * | 2022-08-25 | 2022-10-18 | 江南造船(集团)有限责任公司 | Liquid cargo hold containment system and control method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115199941A (en) * | 2022-08-25 | 2022-10-18 | 江南造船(集团)有限责任公司 | Liquid cargo hold containment system and control method thereof |
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