CN110217349A - One kind slowing down marine hydraulic hold and rocks Multiple-Aperture Device - Google Patents
One kind slowing down marine hydraulic hold and rocks Multiple-Aperture Device Download PDFInfo
- Publication number
- CN110217349A CN110217349A CN201910360570.4A CN201910360570A CN110217349A CN 110217349 A CN110217349 A CN 110217349A CN 201910360570 A CN201910360570 A CN 201910360570A CN 110217349 A CN110217349 A CN 110217349A
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- CN
- China
- Prior art keywords
- porous media
- media board
- liquid tank
- aperture device
- guide
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Classifications
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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
- B63B11/00—Interior subdivision of hulls
-
- 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
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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
Slow down marine hydraulic hold the present invention provides one kind and rocks Multiple-Aperture Device, it include: on bulkhead that porous media board group is arranged in inside liquid tank, porous media board group is an integral structure, porous media board group includes two porous media boards, the perpendicular connection of two porous media boards, wherein a porous media board and liquid tank pass through guide-rail sliding mechanism slidable connection, offer several holes on two porous media boards, several holes are uniformly distributed on porous media board；Guide-rail sliding mechanism, guide-rail sliding mechanism include guide rail and fixture block, and guide rail is fixed in liquid tank along the vertical direction, and fixture block is fixed therein on a porous media board, fixture block and guide rail slidable connection.The energy for shaking fluid for slowing down marine hydraulic hold and rocking the liquid natural gas that Multiple-Aperture Device inhibits in liquid tank of the invention, changes the resonant frequency of shaking, submergence of the adjustable porous media board group in liquid tank preferably plays the damping effect of porous media board.
Description
Technical field
The present invention relates to the technical fields of shipbuilding more particularly to a kind of system for slowing down liquid tank to swing device.
Background technique
It includes that swash bulkhead and fixed system swing net that the system of the marine hydraulic hold of Traditional Transportation liquid natural gas, which swings device mainly,
Device, existing system swing the special construction characteristic that device does not account for natural gas carrier vessel, and ship is often in various complexity
Sea situation, the place of production difference of natural liquid gases causes density that can also have differences, and the loading condition of ship is complicated, works as ship
When fractional load, while plus complicated sea situation, the slosh of ship, the shaking amplitude and induction load of cell wall are easily caused
The destruction of Ship Structure is caused, existing apparatus is not carried out the control to sloshing on the basis of simple.
Summary of the invention
It is led to the problem of above-mentioned, slows down marine hydraulic hold the object of the present invention is to provide one kind and rock Multiple-Aperture Device.
To achieve the goals above, the invention adopts the following technical scheme:
One kind slowing down marine hydraulic hold and rocks Multiple-Aperture Device, in which:
Liquid tank, the liquid tank are arranged in a ship, and the liquid tank is in body structure；
Porous media board group, the porous media board group are arranged on the bulkhead inside the liquid tank, the porous media
Board group is an integral structure, and the porous media board group includes two porous media boards, the two perpendicular companies of porous media board
It connects, wherein a porous media board and the liquid tank pass through guide-rail sliding mechanism slidable connection, two porous media boards
On offer several holes, several holes are uniformly distributed on the porous media board；
The guide-rail sliding mechanism, the guide-rail sliding mechanism include guide rail and fixture block, and the guide rail is along the vertical direction
It is fixed in the liquid tank, the fixture block is fixed therein on a porous media board, and the fixture block can be slided with the guide rail
Dynamic connection.
In an advantageous embodiment, open up fluted on the bulkhead inside the liquid tank, the guide rail is fixed on described
In groove.
Preferably, wherein the porous media board being connected with the liquid tank is horizontally disposed.
In an advantageous embodiment, the porosity of the porous media board is 5-50%.
In an advantageous embodiment, the diameter in several holes is 3mm.
In an advantageous embodiment, the spacing in two holes adjacent on the porous media board is 5mm.
In an advantageous embodiment, the porous media board with a thickness of 36cm.
In an advantageous embodiment, the porous media board uses glass fibre material.
Due to using above-mentioned technology, the good effect for being allowed to have compared with prior art is the present invention:
(1) the of the invention marine hydraulic hold that slows down rocks the shaking fluid that Multiple-Aperture Device inhibits liquid natural gas in liquid tank
Energy changes the resonant frequency of shaking.
(2) marine hydraulic hold that slows down of the invention rocks submergence of the adjustable porous media board group of Multiple-Aperture Device in liquid tank
Depth preferably plays the damping effect of porous media board.
Detailed description of the invention
Attached drawing is constituted part of this application to be used to provide further understanding of the present application, the schematic implementation of the application
Example and its explanation are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 is the perspective view for slowing down marine hydraulic hold and rocking Multiple-Aperture Device of the invention；
Fig. 2 is the floor map for slowing down marine hydraulic hold and rocking Multiple-Aperture Device of the invention；
Fig. 3 is the schematic diagram of porous media board group of the invention；
Fig. 4 is the schematic diagram of porous media board of the invention.
Marginal data:
1, liquid tank；2, porous media board group；21, porous media board；211, hole；3, fixture block.
Specific embodiment
The present invention, which provides one kind and slows down marine hydraulic hold, rocks Multiple-Aperture Device, to make the purpose of the present invention, technical solution and effect
Fruit is clearer, clear, referring to the drawings and gives an actual example that the present invention is described in more detail.It should be appreciated that this place is retouched
It states that specific examples are only used to explain the present invention, is not intended to limit the present invention.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order, it should be appreciated that is used in this way
Data be interchangeable under appropriate circumstances.In addition, term " includes " and " having " and their any deformation, it is intended that
Cover it is non-exclusive include, for example, containing that a series of system of units, product or equipment is not necessarily limited to be clearly listed
A little units, but may include other units being not clearly listed or intrinsic for these products or equipment.
One kind provided by the invention slows down marine hydraulic hold and rocks Multiple-Aperture Device, including liquid tank, porous media board group and guide rail
Sliding equipment.As shown in Figure 1, Figure 2, Figure 3 and Figure 4, liquid tank 1 is arranged in ship, and liquid tank 1 is in body structure, more than at least two
Hole medium board group 2 is arranged on the bulkhead inside liquid tank 1, and porous media board group 2 is an integral structure, and porous media board group 2 is wrapped
Two porous media boards 21, the perpendicular connection of two porous media board 21 are included, wherein a porous media board 21 passes through guide rail with liquid tank 1
Sliding equipment slidable connection offers several holes 211 on two porous media boards 21, and several holes 211 are in porous media board 21
On be uniformly distributed, the porosity of porous media board 21 is 5-50%, and transport has the liquid tank 1 of liquefied natural gas since resonance is shaken pair
Porous media board 21 generates high forces, and the porous structure of porous media board 21 can reduce the energy of sloshing fluid, significantly
Change the resonant frequency of sloshing fluid, and then reduces sloshing fluid to the active force of liquid tank 1.
The porous media board 21 being wherein connected with liquid tank 1 is arranged in horizontal direction, plays inhibition liquid tank 1 in the horizontal direction
Interior liquid acutely resonates the effect of shaking, and the porous media board 21 being arranged along the vertical direction not only significantly changes the shaking frequency of bulkhead
Rate can also reduce the shaking amplitude and induction load of bulkhead, the porous media board 21 being arranged in the horizontal direction with vertical direction
Liquid natural gas can be mitigated to the greatest extent by being used in combination rocks in liquid tank 1, since porous media board 21 may be implemented
Separating liquid, therefore porous media board 21 will not be damaged, the structure of porous media board 21 is simple and easily operated, is convenient for
Cleaning and disassembly installation, the ratio of the length of the spacing and liquid tank 1 of two porous media board groups 2 is 0.8-0.9, and ship can root
Factually border information summary considers that various factors is configured, and reaches most reasonable size arrangement.
Guide-rail sliding mechanism includes guide rail (not shown) and fixture block 3, on the bulkhead inside liquid tank 1 along the vertical direction
Fluted (not shown) is opened up, guide rail is fixed in groove, and fixture block 3 is fixed on horizontally disposed porous media board
21 one end, fixture block 3 be arranged on guide rail and with guide rail slidable connection, porous media board group 2 passes through guide-rail sliding mechanism
The adjusting for realizing the submergence height in liquid tank 1, when the submergence of porous media board group 2 accounts for 1/ of loading liquid in liquid tank 1
When ratio, the maximum dissipation energy of sloshing fluid may be implemented.
When porous media board group 2 moves to the position of appropriate 1 height of liquid tank, fixture block 3 is fixed on guide rail, is realized
The position adjustment function of porous media board group 2, the middle part of the inner sidewall of liquid tank 1 is arranged in guide rail, and the length of guide rail is liquid
The 1/2 of the height in cabin 1, so that the distance of upper bulkhead of the guide rail apart from liquid tank 1, lower bulkhead is the 1/4 of the height of liquid tank 1, it can
To prevent porous media board 21 from hitting to bulkhead 1.
In a preferred embodiment, the diameter of several holes 211 is 3mm, adjacent two on porous media board 21
The spacing in a hole 211 be 5mm, porous media board 21 use glass fibre material, glass fibre under the liquid environment of liquid tank 1 not
It is perishable, the service life of porous media board 21 is improved, the height that porous media board 21 immerses is changed by guide-rail sliding mechanism,
Simultaneously because the density of the liquefied gas of the difference and different regions in Shipping course line is different, the porosity of porous media board 21
Equal design parameters can be configured according to practical situation.
In a preferred embodiment, wherein the length of horizontally disposed porous media board 21 is that liquid tank is long
The 1/20-1/10 of degree, the length of remaining porous media board 21 being arranged along the vertical direction is the 1/4 of height of tank, several porous
The both ends of dielectric-slab 21 and liquid tank 1 are equipped with certain spacing, and the thickness of several porous media boards 21 is 36cm.
Specific embodiments of the present invention are described in detail above, but it is only used as example, the present invention is not intended to limit
In particular embodiments described above.To those skilled in the art, it any equivalent modifications to the practical progress and replaces
In generation, is also all among scope of the invention.Therefore, without departing from the spirit and scope of the invention made by equal transformation and repair
Change, all should be contained within the scope of the invention.
Claims (7)
1. one kind, which slows down marine hydraulic hold, rocks Multiple-Aperture Device characterized by comprising
Porous media board group, the porous media board group are arranged on the bulkhead inside liquid tank, and the porous media board group is one
Body formula structure, the porous media board group include two porous media boards, the two perpendicular connections of porous media board, wherein one
The porous media board and the liquid tank pass through guide-rail sliding mechanism slidable connection, uniformly open on two porous media boards
Equipped with several holes；
The guide-rail sliding mechanism, the guide-rail sliding mechanism include guide rail and fixture block, and the guide rail is fixed along the vertical direction
On the liquid tank, the fixture block is fixed therein on a porous media board, and the fixture block slidably connects with the guide rail
It connects.
2. the marine hydraulic hold according to claim 1 that slows down rocks Multiple-Aperture Device, which is characterized in that the cabin inside the liquid tank
Open up fluted on wall, the guide rail is fixed in the groove.
3. the marine hydraulic hold according to claim 1 that slows down rocks Multiple-Aperture Device, which is characterized in that the porous media board
Porosity is 5-50%.
4. the marine hydraulic hold according to claim 1 that slows down rocks Multiple-Aperture Device, which is characterized in that the diameter in several holes
It is 3mm.
5. the marine hydraulic hold according to claim 1 that slows down rocks Multiple-Aperture Device, which is characterized in that on the porous media board
The spacing in the hole of adjacent two is 5mm.
6. the marine hydraulic hold according to claim 1 that slows down rocks Multiple-Aperture Device, which is characterized in that the porous media board
With a thickness of 36cm.
7. the marine hydraulic hold according to claim 1 that slows down rocks Multiple-Aperture Device, which is characterized in that the porous media board is adopted
With glass fibre material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910360570.4A CN110217349B (en) | 2019-04-30 | 2019-04-30 | Porous device for slowing down sloshing of ship liquid tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910360570.4A CN110217349B (en) | 2019-04-30 | 2019-04-30 | Porous device for slowing down sloshing of ship liquid tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110217349A true CN110217349A (en) | 2019-09-10 |
| CN110217349B CN110217349B (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910360570.4A Active CN110217349B (en) | 2019-04-30 | 2019-04-30 | Porous device for slowing down sloshing of ship liquid tank |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110873279A (en) * | 2019-11-28 | 2020-03-10 | 河海大学 | Assembled wave absorption layer and application thereof in thin film type LNG (liquefied natural gas) sloshing reduction liquid tank |
| CN110877662A (en) * | 2019-11-05 | 2020-03-13 | 沪东中华造船(集团)有限公司 | Swing stopping method for liquid cargo tank of multifunctional LNG filling ship |
| CN113581385A (en) * | 2021-07-21 | 2021-11-02 | 上海外高桥造船有限公司 | Swimming wheel swimming pool with swing stopping device and swimming wheel |
| CN113636024A (en) * | 2021-07-08 | 2021-11-12 | 上海外高桥造船有限公司 | Detachable frame structure for reducing free liquid level of swimming pool |
| CN113895568A (en) * | 2021-11-01 | 2022-01-07 | 上海海事大学 | Container anti-toppling device for container ship in navigation |
| CN117022576A (en) * | 2023-09-27 | 2023-11-10 | 华南理工大学 | Baffle device for slowing down shaking of liquid tank |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110877662A (en) * | 2019-11-05 | 2020-03-13 | 沪东中华造船(集团)有限公司 | Swing stopping method for liquid cargo tank of multifunctional LNG filling ship |
| CN110873279A (en) * | 2019-11-28 | 2020-03-10 | 河海大学 | Assembled wave absorption layer and application thereof in thin film type LNG (liquefied natural gas) sloshing reduction liquid tank |
| CN113636024A (en) * | 2021-07-08 | 2021-11-12 | 上海外高桥造船有限公司 | Detachable frame structure for reducing free liquid level of swimming pool |
| CN113581385A (en) * | 2021-07-21 | 2021-11-02 | 上海外高桥造船有限公司 | Swimming wheel swimming pool with swing stopping device and swimming wheel |
| CN113581385B (en) * | 2021-07-21 | 2022-05-10 | 上海外高桥造船有限公司 | Swimming wheel swimming pool with only swing device and swimming wheel |
| CN113895568A (en) * | 2021-11-01 | 2022-01-07 | 上海海事大学 | Container anti-toppling device for container ship in navigation |
| CN113895568B (en) * | 2021-11-01 | 2024-04-05 | 上海海事大学 | Container anti-toppling device for container ship during navigation |
| CN117022576A (en) * | 2023-09-27 | 2023-11-10 | 华南理工大学 | Baffle device for slowing down shaking of liquid tank |
| CN117022576B (en) * | 2023-09-27 | 2023-12-12 | 华南理工大学 | Baffle device for slowing down shaking of liquid tank |
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