CN112429152A - Independent liquid cargo hold and boats and ships - Google Patents

Independent liquid cargo hold and boats and ships Download PDF

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Publication number
CN112429152A
CN112429152A CN202011462154.4A CN202011462154A CN112429152A CN 112429152 A CN112429152 A CN 112429152A CN 202011462154 A CN202011462154 A CN 202011462154A CN 112429152 A CN112429152 A CN 112429152A
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China
Prior art keywords
cargo tank
truss
independent
horizontal
bulkhead
Prior art date
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Pending
Application number
CN202011462154.4A
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Chinese (zh)
Inventor
刘文华
温保华
周晓明
张弛
张青敏
邵波
樊祥栋
鲁肃
闻静
顾海军
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Shanghai Merchant Ship Design and Research Institute of CSSC No 604 Research Institute
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Shanghai Merchant Ship Design and Research Institute of CSSC No 604 Research Institute
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Publication date
Application filed by Shanghai Merchant Ship Design and Research Institute of CSSC No 604 Research Institute filed Critical Shanghai Merchant Ship Design and Research Institute of CSSC No 604 Research Institute
Priority to CN202011462154.4A priority Critical patent/CN112429152A/en
Publication of CN112429152A publication Critical patent/CN112429152A/en
Pending legal-status Critical Current

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B11/00—Interior subdivision of hulls
    • B63B11/02—Arrangement of bulkheads, e.g. defining cargo spaces
    • 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
    • B63B2025/087—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid comprising self-contained tanks installed in the ship structure as separate units

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The invention provides an independent liquid cargo tank and a ship, and relates to the technical field of ships, wherein the independent liquid cargo tank comprises a vertical truss of a middle longitudinal bulkhead, a horizontal truss of a side wall and a plurality of cross braces; every the stull all sets up between the perpendicular purlin of vertical bulkhead and lateral wall horizontal purlin, and a plurality of stulls are followed the extending direction interval of lateral wall horizontal purlin sets up. Through setting up the stull, supported the horizontal purlin of lateral wall effectively, can effectively promote the structural strength of independent cargo tank, make independent cargo tank can adapt to the hold grow to increase cargo tank's commonality.

Description

Independent liquid cargo hold and boats and ships
Technical Field
The invention relates to the technical field of ships, in particular to an independent liquid cargo tank and a ship.
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.
The existing A-type and B-type independent liquid cargo tanks have low structural strength and are difficult to meet the requirements after the tank capacity is increased. After the capacity of the C-shaped independent liquid cargo tank is increased, the wasted space of the cargo tank is also increased, and further application of the C-shaped independent liquid cargo tank is restricted.
In conclusion, the independent liquid cargo tank in the prior art is difficult to adapt to the condition that the tank capacity is large, and the universality is poor.
Disclosure of Invention
The invention aims to provide an independent liquid cargo tank and a ship, and aims to solve the technical problem that the universality of the independent liquid cargo tank in the prior art is poor.
The invention provides an independent liquid cargo tank, which comprises a vertical truss of a middle longitudinal bulkhead, a horizontal truss of a side wall and a plurality of cross braces;
every the stull all sets up between the perpendicular purlin of vertical bulkhead and lateral wall horizontal purlin, and a plurality of stulls are followed the extending direction interval of lateral wall horizontal purlin sets up.
Furthermore, an anti-tilt toggle plate and an anti-buckling rib are arranged on the cross brace.
Further, the independent liquid cargo tank also comprises a transverse bulkhead horizontal girder and a wash bulkhead horizontal girder;
and two ends of the side wall horizontal truss are respectively connected with the transverse bulkhead horizontal truss and the wash bulkhead horizontal truss.
Further, the cross brace is a double-row cross brace.
Further, the double-row cross brace comprises a web plate and a panel; the height of the web is 1000-3500 mm.
Further, the panel comprises a first panel, the first panel is arranged at the end part of the double-row cross brace, the first panel is made of flat steel, the height of the first panel is 100-500 mm, and the thickness of the first panel is 8-40 mm.
Further, the independent liquid cargo tank also comprises a liquid tank side plate;
the tank sideboard is of a longitudinal framework structure, and the lateral wall horizontal truss is arranged on the tank sideboard.
Further, the independent liquid cargo tank also comprises a side wall vertical truss, and the side wall vertical truss is arranged on the liquid cargo tank side plate;
the web height of the side wall horizontal truss is a, the web height of the side wall vertical truss is b,
Figure BDA0002826579790000021
further, the independent liquid cargo tank also comprises a middle longitudinal bulkhead;
and a vertical truss and a horizontal truss are arranged on one side of the longitudinal bulkhead, the height of a web plate of the vertical truss is equal to that of a web plate of the horizontal truss, and the height of the web plate of the vertical truss and the height of the web plate of the horizontal truss are 400-1200 mm.
The invention also aims to provide a ship comprising the independent liquid cargo tank.
The invention provides an independent liquid cargo tank, which comprises a vertical truss of a middle longitudinal bulkhead, a horizontal truss of a side wall and a plurality of cross braces; every the stull all sets up between the perpendicular purlin of vertical bulkhead and lateral wall horizontal purlin, and a plurality of stulls are followed the extending direction interval of lateral wall horizontal purlin sets up. Through setting up the stull, supported the horizontal purlin of lateral wall effectively, can effectively promote the structural strength of independent cargo tank, make independent cargo tank can adapt to the hold grow to increase cargo tank's commonality.
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 description of the embodiments or 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 other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a cross-sectional view of an independent cargo tank provided by an embodiment of the present invention;
fig. 2 is a horizontal cross-sectional view of an independent cargo tank provided by an embodiment of the present invention.
Icon: 1-liquid cargo tank bottom; 2-side walls of the cargo tank; 3-the top of the cargo tank; 4-a longitudinal bulkhead; 5-bottom strong frame; 6-side wall strong frame; 7-top strong frame; 8-a vertical stringer of the longitudinal bulkhead; 9-double rows of cross braces; 10-side wall horizontal girders; 11-bottom stringer; 12-toggle plate; 13-transverse bulkhead horizontal girders; 14-making bulkhead horizontal girders; 15-elbow tilt prevention plate; 16-buckling restrained tendons.
Detailed Description
The technical solutions of the present invention will be described in detail below with reference to the accompanying drawings in an initial state, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides an independent liquid cargo tank and a ship, and a plurality of embodiments are given below to describe the independent liquid cargo tank and the ship in detail.
Example 1
The independent cargo tank provided by the embodiment comprises a vertical truss 8 of a longitudinal bulkhead, a horizontal truss 10 of a side wall and a plurality of cross braces, as shown in figures 1 to 2; each of the wales is provided between the vertical girders 8 of the center longitudinal bulkhead and the horizontal girders of the side wall, and a plurality of wales are provided at intervals in the extending direction of the horizontal girders 10 of the side wall.
Through setting up the stull, supported lateral wall horizontal purlin 10 effectively, can effectively promote the structural strength of independent cargo tank, make independent cargo tank can adapt to the cabin and hold the grow to increase cargo tank's commonality.
The mode of adopting a plurality of studdles can effectively promote the structural strength of independent cargo tank, increases the commonality of independent cargo tank. By the structure of the independent liquid cargo tank provided by the embodiment, the A-type independent liquid cargo tank or the B-type independent liquid cargo tank can be changed into the C-type independent liquid cargo tank through appropriate reinforcement. Due to the design, secondary shielding is not needed, and the construction cost of the independent liquid cargo tank is reduced; in addition, the problem that the C-shaped independent liquid cargo tank cannot be enlarged can be solved.
In addition, the application range of the B-type independent liquid cargo tank can be effectively improved, the advantage of light density of the aluminum alloy can be fully utilized, and the defect of poor strength is overcome; therefore, on the premise of light weight, the safety is improved, and the model selection design of the liquid cargo containment system of the large LNG ship is facilitated.
LNG is an abbreviation for liquefied natural gas (liquefied natural gas).
Further, the cross brace is provided with an anti-tilt toggle plate 15 and an anti-buckling rib 16, so that the strength of the independent liquid cargo tank is further improved.
Furthermore, the independent liquid cargo tank also comprises a transverse bulkhead horizontal girder 13 and a wash bulkhead horizontal girder 14; the two ends of the side wall horizontal girder 10 are connected with the transverse bulkhead horizontal girder and the wash bulkhead horizontal girder 14, respectively.
In this embodiment, the stull is double stull 9, can improve stull intensity to further improve the intensity of independent cargo tank.
Specifically, the independent liquid cargo tank mainly comprises a liquid cargo tank bottom 1, a liquid cargo tank side wall 2, a liquid cargo tank top 3 and a longitudinal bulkhead 4, the internal structure of the independent liquid cargo tank comprises a bottom strong frame 5, a side wall strong frame 6, a top strong frame 7, a longitudinal bulkhead vertical truss 8, double rows of cross braces 9, a side wall horizontal truss 10 and a bottom longitudinal truss 11, and the bottom strong frame 5 is supported by a toggle plate 12. The longitudinal members of the independent liquid cargo tank are all in a longitudinal skeleton type.
The double row of cross braces 9 are connected with the side wall horizontal girders 10, and the side wall horizontal girders 10 are respectively connected with the cross bulkhead horizontal girders 13 and the swing bulkhead horizontal girders 14 into a whole. The double-row cross brace 9 is provided with an anti-tilt toggle plate 15 and an anti-buckling rib 16. Thus, the independent liquid cargo tank is respectively provided with 2 double rows of cross braces 9, and the side wall horizontal trusses 10 are effectively supported. The distance between the transverse strong frames is 1.5m to 3.2m, and the distance between the 2 double rows of cross braces 9 is 4 strong frames.
The mode that adopts double horizontal stull structure can effectively promote the structural strength of independent cargo tank, increases the commonality of independent cargo tank, makes independent cargo tank of A type or the independent cargo tank of B type can become the independent cargo tank of C type through suitably strengthening. Due to the design, secondary shielding is not needed, and the construction cost of the liquid cargo tank is reduced; in addition, the problem that the C-shaped independent liquid cargo tank cannot be enlarged can be solved.
In addition, by adopting the independent liquid cargo tank structure provided by the embodiment, the application range of the B-type independent liquid cargo tank can be effectively improved, the advantage of light density of the aluminum alloy can be fully utilized, and the defect of poor strength is overcome; therefore, on the premise of light weight, the safety is improved, and the model selection design of the liquid cargo containment system of the large LNG ship is facilitated.
Further, the double row wales 9 include a web and a panel; the height of the web is 1000-3500 mm.
The height of the web may be any suitable height such as 1000mm, 1500mm, 2000mm, 2500mm, 3000mm or 3500 mm.
Further, the panel comprises a first panel, the first panel is arranged at the end part of the double-row cross brace, the first panel is made of flat steel, the height of the first panel is 100-500 mm, and the thickness of the first panel is 8-40 mm.
The height of the first panel is any suitable height, such as 100mm, 200mm, 300mm, 400mm, or 500 mm.
The first panel may have any suitable thickness, such as 10mm, 20mm, 30mm or 40 mm.
Further, the independent liquid cargo tank also comprises a liquid tank side plate; the tank sideboard is of a longitudinal skeleton structure, and the lateral wall horizontal girders 10 are arranged on the tank sideboard. The longitudinal frame type structure can improve the strength of the side plate of the liquid tank.
Further, the independent liquid cargo tank also comprises a side wall plumbThe side wall vertical girders are arranged on the liquid tank side plates; the web height of the side wall horizontal girder 10 is a, the web height of the side wall vertical girder is b,
Figure BDA0002826579790000061
further, the independent cargo tank also comprises a middle longitudinal bulkhead 4; and a vertical truss and a horizontal truss are arranged on one side of the longitudinal bulkhead 4, the height of a web plate of the vertical truss is equal to that of a web plate of the horizontal truss, and the height of the web plate of the vertical truss and that of the web plate of the horizontal truss are 400-1200 mm.
The web height of the vertical girders and the web height of the horizontal girders may be any suitable height such as 400mm, 500mm, 800mm, 1000mm or 1200 mm.
The independent liquid cargo tank provided by the embodiment comprises a vertical truss 8 of a middle longitudinal bulkhead, a horizontal truss 10 of a side wall and a plurality of cross braces; each of the wales is provided between the vertical girders 8 of the center longitudinal bulkhead and the horizontal girders 10 of the side wall, and a plurality of wales are provided at intervals in the extending direction of the horizontal girders 10 of the side wall. Through setting up the stull, supported lateral wall horizontal purlin 10 effectively, can effectively promote the structural strength of independent cargo tank, make independent cargo tank can adapt to the cabin and hold the grow to increase cargo tank's commonality.
Example 2
The ship provided by the embodiment comprises the independent liquid cargo tank provided by the embodiment 1. Through setting up the stull, supported lateral wall horizontal purlin 10 effectively, can effectively promote the structural strength of independent cargo tank, make independent cargo tank can adapt to the cabin and hold the grow to increase cargo tank's commonality.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will 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; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. An independent cargo tank is characterized by comprising a vertical truss of a longitudinal bulkhead, a horizontal truss of a side wall and a plurality of cross braces;
every the stull all sets up between the perpendicular purlin of vertical bulkhead and lateral wall horizontal purlin, and a plurality of stulls are followed the extending direction interval of lateral wall horizontal purlin sets up.
2. An independent cargo tank according to claim 1 wherein the crossbrace is provided with anti-roll toggle plates and anti-buckling ribs.
3. The self-contained cargo tank of claim 1 further comprising a transverse bulkhead horizontal truss and a wash bulkhead horizontal truss;
and two ends of the side wall horizontal truss are respectively connected with the transverse bulkhead horizontal truss and the wash bulkhead horizontal truss.
4. An independent cargo tank according to claim 1 wherein the wales are double row wales.
5. An independent cargo tank according to claim 4 wherein the double row of wales comprise a web and a panel; the height of the web is 1000-3500 mm.
6. An independent cargo tank according to claim 5 wherein the panels comprise first panels disposed at the ends of the double row of wales, the first panels being flat steel, the first panels having a height of 100 and 500mm and a thickness of 8-40 mm.
7. An independent cargo tank according to claim 5 wherein said independent cargo tank further comprises tank side panels;
the tank sideboard is of a longitudinal framework structure, and the lateral wall horizontal truss is arranged on the tank sideboard.
8. The self-contained cargo tank of claim 7 further comprising a sidewall vertical girder disposed on the tank skirt;
the web height of the side wall horizontal truss is a, the web height of the side wall vertical truss is b,
Figure FDA0002826579780000021
9. the self-contained cargo tank of claim 1 wherein said self-contained cargo tank further comprises a center longitudinal bulkhead;
and a vertical truss and a horizontal truss are arranged on one side of the longitudinal bulkhead, the height of a web plate of the vertical truss is equal to that of a web plate of the horizontal truss, and the height of the web plate of the vertical truss and the height of the web plate of the horizontal truss are 400-1200 mm.
10. A ship, characterized in that it comprises an independent cargo tank according to any one of claims 1-9.
CN202011462154.4A 2020-12-09 2020-12-09 Independent liquid cargo hold and boats and ships Pending CN112429152A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011462154.4A CN112429152A (en) 2020-12-09 2020-12-09 Independent liquid cargo hold and boats and ships

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Application Number Priority Date Filing Date Title
CN202011462154.4A CN112429152A (en) 2020-12-09 2020-12-09 Independent liquid cargo hold and boats and ships

Publications (1)

Publication Number Publication Date
CN112429152A true CN112429152A (en) 2021-03-02

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Country Status (1)

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