CN109080776A - The system of liquid sloshing swings device and liquid tank in a kind of liquid tank - Google Patents
The system of liquid sloshing swings device and liquid tank in a kind of liquid tank Download PDFInfo
- Publication number
- CN109080776A CN109080776A CN201811069987.7A CN201811069987A CN109080776A CN 109080776 A CN109080776 A CN 109080776A CN 201811069987 A CN201811069987 A CN 201811069987A CN 109080776 A CN109080776 A CN 109080776A
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- Prior art keywords
- kickboard
- liquid tank
- liquid
- sliding rail
- bulkhead
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- 239000007788 liquid Substances 0.000 title claims abstract description 179
- NOQGZXFMHARMLW-UHFFFAOYSA-N Daminozide Chemical group CN(C)NC(=O)CCC(O)=O NOQGZXFMHARMLW-UHFFFAOYSA-N 0.000 claims description 10
- 230000035939 shock Effects 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 26
- 239000012530 fluid Substances 0.000 description 25
- 230000033001 locomotion Effects 0.000 description 19
- 238000000034 method Methods 0.000 description 7
- 238000012546 transfer Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000004088 simulation Methods 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
- 239000002023 wood Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000003949 liquefied natural gas Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/01—Improving mechanical properties or manufacturing
- F17C2260/016—Preventing slosh
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0102—Applications for fluid transport or storage on or in the water
- F17C2270/0105—Ships
Landscapes
- 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)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of systems of liquid sloshing in liquid tank to swing device and liquid tank.Wherein, it includes: at least one kickboard and multiple sliding rails that system, which swings device,；Multiple sliding rails are arranged vertically at the two sides of the longitudinal bulkhead of liquid tank in couples respectively；Kickboard is respectively embedded between a pair of of sliding rail, and the plane where kickboard is transversely to the machine direction bulkhead；The lower half portion of kickboard is equipped at least one horizontally extending through hole, and the perforation of through hole is oriented parallel to longitudinal bulkhead.The system swings device installation simply, is readily disassembled and cleans, facilitates later maintenance and maintenance；Kickboard is slided up and down along with the sliding of sliding rail, is avoided kickboard deformation in use, is caused kickboard and sliding rail to get stuck and slide the problems such as unsmooth；Kickboard lower half portion is equipped with through hole, both ensure that kickboard had certain weight, the horizontal center line of kickboard is located at the free surface of the liquid, and has played rectified action, slows down or avoid shock of the liquid to bulkhead and kickboard.
Description
Technical field
The present invention relates to liquid transporting technical field, in particular to the system of liquid sloshing swings device and liquid in a kind of liquid tank
Cabin.
Background technique
Rocking is exactly the wave phenomenon of free surface in carrier fluid cabin under dynamic excitation.It has strongly non-linear
And randomness.When intrinsic frequency of the dynamic excitation frequency close to free surface, liquid generates resonance in cabin, especially when connecing
It is rocked the most acutely when the first natural frequency of nearly free surface, while huge surge is acted on to bulkhead, it can be to bulkhead
The safety of structure generates very big influence.It swings device by increasing system inside liquid tank and can play reduction surge,
Protect the effect of bulkhead structure.The system of sloshing, which swings device mainly, at present fixed and floating type two kinds of forms.It is fixed
System swings device and needs to be fixed on bulkhead, therefore safeguards and install and is more difficult；Effect is swung in order to reach the system of different carrier fluid rates,
Installation multilayer is generally required, therefore reduces carrier fluid volume.Floating type system swings device can change according to the variation of carrier fluid rate；
But structure is complicated, and is difficult to control its motion range, when rocking more violent, often generates collision with bulkhead.
The patent No.: 2012/144641 A1 of WO.Patent name: Sloshing preventing device and
sloshing preventing method.Invention no people well really (Yokohama national university) is proposed in tanker or floating marine
Muti-piece kickboard is installed to inhibit sloshing in the film-type liquid tank of equipment, is guided by column sliding rail and limit kickboard and be only capable of
It is vertically translatable, kickboard has certain weight and drinking water, liquid tank is divided into multiple sub- cabins near table, by incite somebody to action oneself
Inhibit the generation of resonance to high-frequency transfer (HFT) by liquid level intrinsic frequency.The column sliding rail of the device be it the shortcomings that one of, too
It is fine flexible easily cause very much track deformation greatly and hinder system and swing device play a role, it is too thick to occupy big quantity space again, to original liquid
Cabin structure has an impact, and the movement of violent kickboard may cause its end and be destroyed.The further drawback of the device is
Using entity kickboard, the kickboard is heavier, so that the surge that sloshing generates is passed most of load by entity kickboard
It is handed on column sliding rail, column sliding rail may be made to damage, and then influence the function that system swings device；By experimental study, liquid tank
The surge for rocking generation can generate the excessively high load in part in entity kickboard.
Summary of the invention
In view of technological deficiency existing in the prior art and technology drawback, the embodiment of the present invention offer overcome the above problem or
The system that person at least is partially solved liquid sloshing in a kind of liquid tank of the above problem swings device and liquid tank.
As the one aspect of the embodiment of the present invention, the system for being related to liquid sloshing in a kind of liquid tank swings device, comprising: at least
One kickboard and multiple sliding rails；
Multiple sliding rails are arranged vertically at the two sides of the longitudinal bulkhead of liquid tank in couples respectively；
Kickboard is respectively embedded between a pair of of sliding rail, and the plane where kickboard is transversely to the machine direction bulkhead；
The lower half portion of kickboard is equipped at least one horizontally extending through hole, and the perforation direction of through hole is parallel
In longitudinal bulkhead.
In an alternative embodiment, the weight of kickboard makes when the kickboard floats on a liquid in the level of kickboard
Heart line is located at the free surface of liquid.
In an alternative embodiment, through hole along kickboard vertical centerline symmetry arrangement.
In an alternative embodiment, through hole is arranged along the horizontal center line of the lower half portion of kickboard.
In an alternative embodiment, through hole along the lower half portion of kickboard horizontal center line symmetry arrangement.
In an alternative embodiment, every two kickboard longitudinal vertical median surface symmetry arrangement along liquid tank.
In an alternative embodiment, kickboard is provided at longitudinal vertical place's median surface in liquid tank.
In an alternative embodiment, the distance of kickboard to nearest transverse bulkhead is not less than the longitudinal length of liquid tank
1/6。
In an alternative embodiment, the central point of sliding rail is located on the horizontal direction center line of longitudinal bulkhead.
In an alternative embodiment, each sliding rail includes multilayer track, wherein the outermost orbit in multilayer track
It is mounted on longitudinal bulkhead, the innermost layer track in multilayer track is for being embedded in kickboard.
In an alternative embodiment, multiple sliding rails are two-way two sections sliding rail.
In an alternative embodiment, kickboard is vertically equipped with multiple alar parts on thickness direction.
As the another aspect of the embodiment of the present invention, it is related to a kind of liquid tank that device is swung including above-mentioned system, above-mentioned liquid tank is also
It include: longitudinal bulkhead and transverse bulkhead.
In an alternative embodiment, setting is fluted at the position of longitudinal bulkhead fixed rack, for being embedded in sliding rail.
The embodiment of the present invention at least realizes following technical effect:
1, the system of liquid sloshing swings device in liquid tank provided in an embodiment of the present invention, comprising: at least one kickboard and multiple
Sliding rail；Multiple sliding rails are arranged vertically at the two sides of the longitudinal bulkhead of liquid tank in couples respectively；Kickboard be respectively embedded into a pair of of sliding rail it
Between, and the plane where kickboard is transversely to the machine direction bulkhead；The lower half portion of kickboard is equipped at least one horizontally extending
The perforation of through hole, through hole is oriented parallel to longitudinal bulkhead.The embodiment of the present invention swings device using floating type system, relative to solid
Fixed pattern system swings device, and floating type system used in the embodiment of the present invention swings device installation simply, is readily disassembled and cleans, facilitate the later period
Care and maintenance；Kickboard is fixed on the slide rail, and kickboard is slided up and down along with the sliding of sliding rail, is avoided in use process
In because be used for a long time or liquid tank internal liquid extruding cause kickboard to deform, thus cause kickboard and sliding rail it is stuck cannot on
The problems such as lower slider or unsmooth sliding；Kickboard lower half portion is equipped with through hole, both ensure that kickboard had certain weight, guarantees
Its horizontal direction center line is located on liquid tank free surface or near free surface, and has played rectified action, slow down or
Avoid shock of the liquid to bulkhead and kickboard.Device is swung by the system of above-mentioned kickboard and sliding rail assembled, system swings effect
It is more significant.
2, kickboard provided in an embodiment of the present invention, the weight of kickboard make the water of the kickboard when the kickboard floats on a liquid
Flat center line is located at the free surface of liquid.It can guarantee that liquid is certainly in kickboard own level direction center line and liquid tank in this way
It is overlapped by liquid level or center line is moved about in free surface.Since in liquid tank motion process, the free surface meeting of liquid
It moves up and down, by the control of kickboard own level direction center line near free surface, effective system can be reached first and swing effect
Fruit；Secondly, the kickboard of above-mentioned design can be produced in batches, improved efficiency when manufacturing kickboard and save the cost, by
Aperture below kickboard own level direction center line keeps balance come the weight for controlling kickboard itself and suffered buoyancy.
3, kickboard provided in an embodiment of the present invention, through hole in kickboard along kickboard vertical centerline symmetry arrangement.
The through hole designed in this way mitigates the weight of kickboard itself first；Secondly, liquid is moved forward and backward in liquid tank motion process, it can
To pass through the through hole in kickboard, through hole plays rectified action to liquid, reduces the shock to kickboard.In order to make kickboard
The bump stress born keeps balance, and above-mentioned through hole guarantees along kickboard itself vertical direction center line symmetry arrangement
The stress that kickboard is locally born is consistent, avoids kickboard and swings, thus into kickboard and sliding rail is on the one hand stabilized
Connection.
4, kickboard provided in an embodiment of the present invention, through hole in kickboard along the lower half portion of kickboard horizontal center line
The horizontal center line symmetry arrangement arranged with through hole along the lower half portion of kickboard.The through hole being arranged so, position exist
Kickboard own level direction center line part it is full symmetric, the stress that kickboard is born in a liquid is also full symmetric, kickboard
It will not be deformed because local stress is different.
5, the system of swinging provided in an embodiment of the present invention swings device, wherein every two kickboard longitudinal vertical median surface pair along liquid tank
Claim arrangement.Kickboard is evenly arranged, and reduces the difference because of width of tank between kickboard, liquid free surface to each kickboard it
Between bump stress it is different, the phenomenon that avoiding different kickboard discontinuity, improve the embodiment of the present invention on the whole and mention
The system of confession swings device.If liquid tank longitudinal length is longer, kickboard can be set at longitudinal vertical place's median surface in liquid tank.Pass through
Increase the number of kickboard to reduce liquid tank longitudinal length, such resonant frequency swings effect to high-frequency transfer (HFT), the system of improving.
6, system provided in an embodiment of the present invention swings device, and the distance of kickboard to nearest transverse bulkhead is vertical not less than liquid tank
To the 1/6 of length.The embodiment of the present invention is to relatively reduce the distance of the longitudinal length of liquid tank, resonance frequency by increasing kickboard
Rate is to high-frequency transfer (HFT), to reduce the generation of resonance.The nearest transverse bulkhead of kickboard positional distance distance less than 1/6
When longitudinal bulkhead length, distance of the kickboard apart from transverse bulkhead is too close, does not change resonant frequency, will not play the role of system and swing.
When the distance of the nearest transverse bulkhead of kickboard positional distance is more than or equal to 1/6 longitudinal bulkhead length, resonant frequency is to height
Frequency shifts, and system swings significant effect.
7, system provided in an embodiment of the present invention swings device, and the central point of sliding rail is located at the horizontal direction center line of longitudinal bulkhead
On.The position of above-mentioned multiple sliding rails is located at the intermediate position of liquid tank longitudinal bulkhead, and kickboard moves widest in area on the slide rail, energy
Enough adapt to the liquid tank of different carrier fluid rates；Moreover, sliding rail can control the motion range of kickboard, during sloshing, kickboard is not
The bulkhead of liquid tank can be struck.
8, system provided in an embodiment of the present invention swings device, and each sliding rail includes multilayer track, wherein in multilayer track most
Out orbit is mounted on longitudinal bulkhead, and the innermost layer track in multilayer track is for being embedded in kickboard.It is mentioned in the embodiment of the present invention
The sliding rail of confession, the fixed kickboard of most inner side track, outermost siding track are fixed on longitudinal bulkhead, and the inner track of sliding rail is in outer siding track
Relative motion drives sliding up and down for kickboard on road；And column sliding rail or channel-shaped sliding rail are applied in the prior art, kickboard exists
On column sliding rail or in channel-shaped sliding rail internal slide；Column sliding rail first is too thin, flexible excessive, easily causes the deformation of track,
It hinders system to swing device to play a role；Secondly, column sliding rail slightly occupies greatly very much big quantity space very much, fluid cabin is had an impact；And
And kickboard is in channel-shaped sliding rail internal slide, kickboard deformation or the deformation of channel-shaped sliding rail can all hinder system to swing device to play a role；This
The sliding rail of inventive embodiments application is compact and flexible, avoids to take up space inside liquid tank and excessive ask what fluid cabin had an impact
Topic, and relative motion drives sliding up and down for kickboard to the interior wood side-guide of sliding rail on track on the outside, solves the prior art
In be easy stuck obstruction system and swing the problem of device plays a role.
9, system provided in an embodiment of the present invention swings device, and kickboard is vertically equipped with multiple alar parts on thickness direction.The wing
The weight of the effect kickboard itself adjustable first in portion, makes kickboard own level direction center line be maintained at liquid tank free surface
Near；Secondly, increasing alar part can prevent when liquid tank stops moving ahead or the speed of service is slower, the liquid in liquid tank is in cross
Fluctuation to direction is larger, and the system played the role of in a lateral direction is swung.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention can be by written explanation
Documented structure is achieved and obtained in book, claims and attached drawing.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is that sloshing system swings apparatus structure schematic diagram when carrier fluid rate provided in an embodiment of the present invention is high；
Fig. 2 is the left view of Fig. 1 provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram that another sloshing system provided in an embodiment of the present invention swings device；
Fig. 4 is the structural schematic diagram that sloshing system swings device when carrier fluid rate provided in an embodiment of the present invention is low；
Fig. 5 is the left view of Fig. 4 provided in an embodiment of the present invention；
Fig. 6 is kickboard structural schematic diagram provided in an embodiment of the present invention；
Fig. 7 is the kickboard structural schematic diagram provided in an embodiment of the present invention with alar part；
Fig. 8 is the Field Flow Numerical Simulation result figure of the kickboard with row's through hole provided in an embodiment of the present invention；
Fig. 9 is the Field Flow Numerical Simulation result figure of the kickboard with three row's through holes provided in an embodiment of the present invention；
Wherein:
1 is liquid tank；2 be kickboard；3 be sliding rail；4 be free surface；5 be through hole；6 be kickboard own level direction center
Line；7 be alar part.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
The various specific of device and liquid tank is swung to the system of liquid sloshing in liquid tank provided in an embodiment of the present invention separately below
Embodiment is described in detail.
Embodiment 1
The system that the embodiment of the present invention 1 provides liquid sloshing in a kind of liquid tank swings device, can be widely applied to tanker, sea
Upper or land oil storage tank and tank truck etc..Referring to Fig.1 shown in-Fig. 3, which swings device and includes at least: at least one kickboard 2
With multiple sliding rails 3；Wherein, multiple sliding rails 3 are arranged vertically at the two sides of the longitudinal bulkhead of liquid tank 1 in couples respectively；Kickboard 2 is distinguished
It is embedded between a pair of of sliding rail 3, and the plane where kickboard 2 is transversely to the machine direction bulkhead；The lower half portion of kickboard 2 is equipped with along level side
To at least one through hole 5 of extension, through hole 5 runs through the front and rear surfaces of kickboard 2, and the perforation of through hole 5 is oriented parallel to indulge
To bulkhead.Wherein, the bulkhead that fore stern direction is provided in the embodiment of the present invention is longitudinal bulkhead, and in addition vertical direction is laterally
Bulkhead；The lower half portion of kickboard 2 refers to kickboard own level direction center line part below.
When being loaded with liquid in liquid tank 1, liquid tank 1 is under dynamic excitation, for example, stern offer power moves ahead when foot, ship
Head and stern can be swung up and down, and the free surface 4 of liquid tank 1 can generate wave phenomenon.For example, natural when being loaded with liquefaction in liquid tank 1
When gas or other liquid, in extraneous driving frequency, close to the first natural frequency of free surface 4, (under normal conditions, object has
Several intrinsic frequencies, wherein minimum is known as first natural frequency, main excited frequency is the maximum frequency of amplitude in actual vibration
Rate is in most cases first natural frequency) when, covibration is generated, liquid sloshing is the fiercest in liquid tank 1 at this time,
The shock loading generated to bulkhead or cabin top is maximum.
Because ship during the motion can swing, liquid flowing mainly moves along longitudinal direction, shake in the longitudinal direction, it is right
Cabin destruction is the most violent, so it is to arrange to have on longitudinal bulkhead in liquid tank to pass through that system provided in an embodiment of the present invention, which swings device,
The kickboard of through-hole, and from the center line in Fig. 1-Fig. 3 as can be seen that 2 own level direction of kickboard near free surface 4.Ginseng
According to shown in Fig. 4 and Fig. 5, when the carrier fluid rate in liquid tank 1 reduces, kickboard 2 can decline along with the reduction of liquid, at this point, floating
The center line in 2 own level direction of plate is also maintained near free surface 4, i.e., kickboard 2 is upper and lower with the fluctuation of free surface 4
Movement is equivalent to the longitudinal length for reducing liquid tank 1 if free surface is divided into stem portion by kickboard 2, and resonant frequency is to high frequency
Transfer, reduces the generation of resonance.
When liquid tank 1 during the motion, the liquid in liquid tank 1 can be patted in kickboard 2, to kickboard generate one shock
Power；Because 2 lower half portion of kickboard is equipped with through hole 5 in the horizontal direction, the liquid below of free surface 4 can be passed through floating in liquid tank 1
Through hole 5 on plate 2 reduces liquid to the impact force of kickboard 2, and the through hole 5 in kickboard 2 there is rectification to make liquid
With liquid flowing is more uniform, reduces the shock loading rocked to a certain extent, equally reduces the free surface rocked
It climbs along bulkhead, reduces shock of the liquid to bulkhead.
System provided in an embodiment of the present invention swings the liquid tank that device is suitable for any carrier fluid rate, is mounted on the longitudinal bulkhead of liquid tank
On sliding rail make kickboard movement it is more flexible, and limit kickboard vertical direction regulation in the range of with liquid in liquid tank
Free surface and move up and down.Moreover, because being connected with sliding rail, kickboard moving range during sloshing is not too big,
Avoid the shock to tank roof and bottom.
Above-mentioned system provided in an embodiment of the present invention swings device, swings device relative to fixed system, present apparatus installation is simple, easily
In disassembly and cleaning, facilitate later maintenance and maintenance；Kickboard is fixed on the slide rail, kickboard upper downslide along with the sliding of sliding rail
It is dynamic, it is not kickboard movement in orbit, causes the local deformation of kickboard in long-time service or the pressurization of liquid tank internal liquid, float
The small deformation of plate may cause kickboard is in orbit to get stuck, and the embodiment of the present invention is by the mutual sliding between track
It draws moving up and down for kickboard, avoids and above-mentioned get stuck or slide the problems such as unsmooth；The kickboard that the embodiment of the present invention uses
The perforation in the horizontal direction equipped with through hole and through hole is equipped in lower half portion and is oriented parallel to longitudinal bulkhead, both ensure that floating
Plate has certain weight, and is maintained at kickboard own level direction center line just near liquid free surface, meanwhile, freely
Liquid level liquid below can pass through through hole when rocking, and reduce the shock to kickboard, keep liquid flowing more steady.By upper
The system assembled for stating kickboard and sliding rail swings device, and it is more significant that system swings effect.
Embodiment 2
The embodiment of the present invention 2 provides a kind of kickboard, and wherein the weight of kickboard makes when the kickboard floats on a liquid
The horizontal center line of kickboard is located at the free surface 4 of liquid.Referring to shown in Fig. 4 and Fig. 5, the carrier fluid rate in liquid tank 1 reduces it
Afterwards, kickboard 2 can decline along with the reduction of liquid free surface 4, adjust kickboard by the through hole 5 of the part under kickboard
2 itself weight, it is ensured that when in use, 2 own level direction center line of the kickboard just free surface 4 with liquid in liquid tank 1
It is overlapped, or is moved about in free surface 4.
In liquid tank motion process, the free surface of liquid can be moved up and down, by kickboard own level direction center line control
System can reach effective system first and swing effect near free surface；Secondly, the kickboard of above-mentioned design can be produced in batches,
Simultaneously save the cost is improved efficiency when manufacturing kickboard.
The quantity for increasing or reducing through hole carrys out the weight of adjustable kickboard itself, reaches above-mentioned kickboard horizontal centre
Line is located at the purpose at the free surface of liquid.
Embodiment 3
Referring to shown in Fig. 6, there is through hole 5 in the kickboard 2 that the embodiment of the present invention 3 provides, wherein through hole 5 is along floating
The vertical centerline symmetry arrangement of plate 2.The through hole 5 designed in this way mitigates the weight of kickboard itself first, makes kickboard itself water
Flat direction center line 6 is located at the free surface of liquid, while kickboard 2 is unlikely to kick the beam and influence system and swing effect again；Secondly,
In liquid tank motion process, liquid is moved forward and backward, and can pass through the through hole 5 in kickboard 2, and through hole plays rectification to liquid and makees
With reducing the shock to kickboard 2.In order to which the bump stress for bearing kickboard 2 keeps balance, above-mentioned through hole 5 is along floating
Plate 2 itself vertical direction center line symmetry arrangement, the stress that ensure that 2 part of kickboard is born is consistent, avoids kickboard 2 or so
It swings.
For kickboard 2 during moving up and down with free surface, kickboard 2 can generate whirlpool in a liquid, if it is reality
The kickboard of the heart, whirlpool can have an effect of impact to kickboard for a long time, and kickboard 2 provided in an embodiment of the present invention is arranged in lower part passes through
Through-hole 5, liquid can be more stable after passing through through hole 5, and through hole 5 accelerates crumbling and fall for whirlpool.It is provided in an embodiment of the present invention
Above-mentioned through hole 5 makes fluidised form in cabin more uniform, greatly reduces the surge of sloshing generation in entity kickboard
Generate the excessively high load in part.
5 shape of through hole of the lower part of kickboard 2 can be circular, can be rectangular, can be triangle, as long as
Through hole 5 can be along the vertical centerline symmetry arrangement of kickboard 2, shape of the embodiment of the present invention to above-mentioned through hole 5
Shape is not specifically limited.
In one embodiment, referring to Figure 5, through hole 5 is arranged along the horizontal center line of the lower half portion of kickboard 2
Cloth.Either, through hole 5 along the lower half portion of kickboard horizontal center line symmetry arrangement.The through hole 5 being arranged so, is passed through
Full symmetric, stress that kickboard 2 in a liquid born of the position of through-hole 5 in 2 own level direction center line part of kickboard
Also full symmetric, kickboard 2 will not be deformed because local stress is different.
In practical applications, through hole is more, and part generation stress is smaller, and steady flow result is more obvious；So through hole
It is best that arrangement, which is full symmetric in kickboard lower half portion center line,.Symmetry is higher, and the more steady local stress the more uniform, no
The power in other directions can be generated, liquid steady flow result is better, and kickboard is more stable, is just more obvious so that the system reached swings effect.
However, to ensure that the weight of kickboard itself, the setting of through hole will meet practical application in kickboard.
Embodiment 4
The system that the embodiment of the present invention 4 provides liquid sloshing in a kind of liquid tank swings device, referring to Fig.1 or shown in Fig. 3, every two
A kickboard 2 longitudinal vertical median surface symmetry arrangement along liquid tank 1.Kickboard 2 is evenly arranged, and is reduced because dividing between kickboard 2
The difference of liquid tank longitudinal length, liquid is different to bump stress between each kickboard in free surface, avoids different kickboards 2
The phenomenon that discontinuity, the system that ensure that system provided in an embodiment of the present invention swings device on the whole swing effect.
In one embodiment, shown in referring to Figure 1 and Figure 3, the distance of kickboard 2 to nearest transverse bulkhead is not less than liquid tank
The 1/6 of 1 longitudinal length.The distance of kickboard 2 to nearest transverse bulkhead is L1, and the longitudinal length of liquid tank is L, and the present invention is implemented
L1 >=1/6L that example provides.By test of many times, the model test in kickboard 2 position of the selection less than 1/6L is made as the result is shown swings
Effect is not significant, the reason is that not changing resonant frequency since kickboard 2 is too close apart from transverse bulkhead.When floating for selection 1/6L
Behind 2 position of plate, resonant frequency swings significant effect to high-frequency transfer (HFT), system.Numerical simulation result, which is shown, continues growing kickboard 2 to laterally
The distance of bulkhead, it is still significant that system swings effect.
If the length of liquid tank is changed, referring to shown in Fig. 3, the number of kickboard 2 and sliding rail can be increased in right amount, made
The longitudinal length of liquid tank relatively reduces, and resonant frequency reduces the generation of resonance to high-frequency transfer (HFT).
Embodiment 5
The system that the embodiment of the present invention 5 provides liquid sloshing in a kind of liquid tank swings device, referring to shown in Fig. 2 and Fig. 5, sliding rail
3 central point is located on the horizontal direction center line of longitudinal bulkhead.The central point of sliding rail 3 be located at sliding rail it is undeployed when, sliding rail shape
Center position on shape；Or the position of the central point of the sliding rail of side that sliding rail 3 is connect with longitudinal bulkhead.Above-mentioned multiple cunnings
The position of rail 3 is located on the center line of liquid tank longitudinal bulkhead, and kickboard 2 moves widest in area general on the slide rail, can adapt to not
With the liquid tank 1 of carrier fluid rate, and limit the range that kickboard 2 floats up and down, prevent the top and bottom to liquid tank 1 cause to hit (because
For sliding rail in the vertical direction length be it is fixed, movement maximum magnitude no more than liquid tank itself vertical direction height or
Kickboard is not readily accessible to tank bottom when no liquid in liquid tank).
If multiple sliding rails 3 are installed excessively high or too low on longitudinal bulkhead, when the carrier fluid rate in liquid tank 1 changes
When, such as when carrier fluid rate is very high, while sliding rail installed on longitudinal bulkhead it is also excessively high, after kickboard 2 floats, it is more likely that
The top bulkhead of liquid tank 1 can be caused to hit, and liquid tank is during the motion, 4 moment of free surface changes, kickboard
System, which swings effect, will be greatly reduced；Likewise, when carrier fluid rate is very low in liquid tank, and sliding rail 3 is installed too low on longitudinal bulkhead, floats
Plate 2 may damage bottom bulkhead.
For example, the carrier fluid rate of liquefied natural gas is rocked the most acutely when being 30%-70%, liquid is most tight to the destruction of bulkhead
Weight；After the carrier fluid rate of liquid tank is lower than 30% or higher than 70%, kickboard is equivalent to fixed system and swings device, can equally play
Effective system swings effect.Because when liquid is less in liquid tank, such as 20% carrier fluid rate, kickboard can be located at sliding rail bottom, kickboard
It cannot float completely, the center line in kickboard own level direction is in free surface upper end；When liquid in liquid tank is more, such as
80% carrier fluid rate, kickboard are located at the top of sliding rail, float completely, and the center line in kickboard own level direction is in free surface
Lower end be equivalent to fixed system and swing device so when carrier fluid rate is excessively high or too low, equally play effective system and swing effect
Fruit.As carrier fluid rate changes, especially for carrier fluid rate lower than 10% or after being higher than 90%, kickboard is entirely fixed.Institute
It is located at the central point of sliding rail 3 and is fully able to guarantee that the kickboard 2 in liquid tank plays most on the horizontal direction center line of longitudinal bulkhead
Good system swings effect.
Embodiment 6
The system that the embodiment of the present invention 6 provides liquid sloshing in a kind of liquid tank swings device, referring to shown in Fig. 2 and Fig. 5, each
Sliding rail 3 includes multilayer track, wherein the outermost orbit in multilayer track is mounted on longitudinal bulkhead, in multilayer track most
Inner orbit is for being embedded in kickboard 2.The sliding rail provided in the embodiment of the present invention, the fixed kickboard 2 of most inner side track, outermost siding track
It is fixed on longitudinal bulkhead, the relative motion on outer siding track of the inner track of sliding rail drives sliding up and down for kickboard 2；And show
Have using column sliding rail and channel-shaped sliding rail in technology, kickboard is on column sliding rail or in channel-shaped sliding rail internal slide；Column first
Sliding rail is too thin, flexible excessive, easily causes the deformation of track, hinders system to swing device and plays a role, secondly column sliding rail too it is thick too
Occupy big quantity space greatly, fluid cabin is had an impact；And kickboard is in channel-shaped sliding rail internal slide, kickboard deformation or channel-shaped
Sliding rail deformation can all hinder system to swing device and play a role；The sliding rail of application of the embodiment of the present invention is compact and flexible, avoids in liquid tank
Inside takes up space excessive the problem of having an impact to fluid cabin, and the relative motion on track on the outside of the interior wood side-guide of sliding rail
Sliding up and down for kickboard is driven, solves the problems, such as to be easy stuck obstruction system in the prior art to swing device and plays a role.
In a specific embodiment, multiple above-mentioned sliding rails are two-way two sections sliding rail.Two-way two sections sliding rail is divided into inside
Track and outer side track；Wherein, outer side track is fixed on longitudinal bulkhead, and for being embedded in kickboard, inner track exists inner track
Outer side track top slides up and down.And two-way two sections sliding rail is compact and flexible, and weight and volume can be ignored, and exist to kickboard
It is not had a strong effect on vertical direction, can not consider influence of the sliding rail to the buoyancy and gravity of kickboard itself.
Two-way two sections sliding rail, the tie point at only outer wood side-guide and interior wood side-guide one, the three folding sliding rails that compare have at two
The toughness of tie point, two-way two sections sliding rail provided in an embodiment of the present invention is more preferable, avoids and floats during liquid tank long-term motion
The problem of plate deforms and sliding rail is caused to get stuck.And avoid three folding sliding rails and can only extend to direction, when installation, can only pacify
The problem of mounted in tank bottom.Compared to other tracks, two-way two sections rail occupies little space, and has stronger rigidity, endurance quality
More preferably.
Embodiment 7
The system that the embodiment of the present invention 7 provides liquid sloshing in a kind of liquid tank swings device, referring to shown in Fig. 7, kickboard 2 from
Multiple alar parts 7 are vertically equipped on body thickness direction.The weight of the effect kickboard itself adjustable first of alar part 7, makes kickboard certainly
Body horizontal direction center line 6 is maintained near liquid tank free surface；Secondly, increasing alar part 7 can prevent before liquid tank stops
When the capable or speed of service is slower, the liquid in liquid tank is larger in the fluctuation of transverse direction, plays system in a lateral direction
The effect of swinging.For example, encountering the wave effect of hitting of biggish transverse direction, liquid when ship rides the sea or when harbour is berthed
Liquid in cabin can control fluctuation it is larger, to liquid tank longitudinal bulkhead destroy it is larger, at this point, the alar part in kickboard will play effectively
System swings effect.
Embodiment 8
In a specific embodiment, referring to shown in Fig. 8, row perforation is arranged in kickboard on the center line of lower half portion
Hole, referring to shown in Fig. 9, kickboard is symmetrical arranged three row's through holes on the center line of lower half portion.
By Field Flow Numerical Simulation result in Fig. 8 it is found that right side kickboard lower end generates Maelstrom, as sloshing is back and forth transported
After dynamic, the Maelstrom of right side kickboard lower end disappears, and generates Maelstrom, and so on, Maelstrom in left side kickboard lower part
It generates and disappears, play the role of system to a certain extent and swing.
By Field Flow Numerical Simulation result in Fig. 9 it is found that other than the Maelstrom of right side kickboard lower end, in every row's through hole
Side can also generate small whirlpool, can also disappear therewith later, and so on, also play the role of system to a certain extent and swing.
Based on the same inventive concept, above-mentioned the embodiment of the invention also provides a kind of liquid tank for swinging device including above-mentioned system
Liquid tank further include: longitudinal bulkhead and transverse bulkhead.Specific implementation may refer to the aforementioned embodiment made and swing device, repeat place not
It repeats again.
In one embodiment, setting is fluted at the position of longitudinal bulkhead fixed rack, for being embedded in sliding rail.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (14)
1. the system of liquid sloshing swings device in a kind of liquid tank characterized by comprising at least one kickboard and multiple sliding rails；
The multiple sliding rail is arranged vertically at the two sides of the longitudinal bulkhead of the liquid tank in couples respectively；
The kickboard is respectively embedded between a pair of sliding rail, and the plane where the kickboard is perpendicular to the longitudinal bulkhead；
The lower half portion of the kickboard is equipped at least one horizontally extending through hole, the perforation direction of the through hole
It is parallel to the longitudinal bulkhead.
2. system as described in claim 1 swings device, which is characterized in that the weight of the kickboard to be suspended in institute when the kickboard
The horizontal center line of the kickboard is located at the free surface of the liquid when stating in liquid.
3. system as claimed in claim 2 swings device, which is characterized in that the through hole along the kickboard vertical centerline
Symmetry arrangement.
4. system as claimed in claim 3 swings device, which is characterized in that the through hole along the kickboard lower half portion
Horizontal center line arrangement.
5. system as claimed in claim 3 swings device, which is characterized in that the through hole along the kickboard lower half portion
Horizontal center line symmetry arrangement.
6. system as claimed in claim 4 swings device, which is characterized in that kickboard described in every two is longitudinal vertical along the liquid tank
Median surface symmetry arrangement.
7. system as claimed in claim 6 swings device, which is characterized in that be provided at longitudinal vertical place's median surface in the liquid tank
The kickboard.
8. system as claimed in claim 7 swings device, which is characterized in that the distance of the kickboard to nearest transverse bulkhead is not small
In the 1/6 of the longitudinal length of the liquid tank.
9. system as described in claim 1 swings device, which is characterized in that the central point of the sliding rail is located at the longitudinal bulkhead
On horizontal direction center line.
10. system as claimed in claim 9 swings device, which is characterized in that each sliding rail includes multilayer track；Wherein, institute
It states the outermost orbit in multilayer track to be mounted on the longitudinal bulkhead, the innermost layer track in the multilayer track is for embedding
Enter the kickboard.
11. system as claimed in claim 10 swings device, which is characterized in that the multiple sliding rail is two-way two sections sliding rail.
12. the system as described in claim 1~11 is any swings device, which is characterized in that the kickboard is on thickness direction
Vertically it is equipped with multiple alar parts.
13. a kind of liquid tank for swinging device including system as claimed in claim 1, which is characterized in that the liquid tank packet
It includes: the longitudinal bulkhead and transverse bulkhead.
14. liquid tank as claimed in claim 13, which is characterized in that be arranged at the position of the fixed sliding rail of the longitudinal bulkhead
It is fluted, for being embedded in the sliding rail.
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| CN201811069987.7A CN109080776B (en) | 2018-09-13 | 2018-09-13 | Oscillation device for liquid sloshing in liquid tank and liquid tank |
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| CN201811069987.7A CN109080776B (en) | 2018-09-13 | 2018-09-13 | Oscillation device for liquid sloshing in liquid tank and liquid tank |
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| CN109080776B CN109080776B (en) | 2024-09-27 |
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| CN111824623A (en) * | 2020-07-16 | 2020-10-27 | 张成瑞 | Storage device is used in production of chemical industry coolant liquid |
| CN113492950A (en) * | 2020-04-01 | 2021-10-12 | 江南造船(集团)有限责任公司 | Independent liquid tank structure with longitudinal swinging bulkhead |
| CN113639188A (en) * | 2021-07-21 | 2021-11-12 | 上海外高桥造船有限公司 | Bulkhead is swung to liquefied natural gas storage tank system |
| 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 |
| CN113772021A (en) * | 2021-09-07 | 2021-12-10 | 江苏海洋大学 | Method capable of adjusting oscillation of liquid tank |
| CN114741983A (en) * | 2022-03-01 | 2022-07-12 | 华南理工大学 | OpenFOAM-based multilayer fluid sloshing simulation method |
| CN114715558B (en) * | 2022-03-07 | 2023-07-04 | 江苏海洋大学 | Semi-active oscillation device and oscillation method |
| CN116424482A (en) * | 2023-04-18 | 2023-07-14 | 中国海洋大学 | Dynamic DBA baffle structure for inhibiting liquid sloshing of LNG storage tank and method thereof |
| CN117142557A (en) * | 2023-09-22 | 2023-12-01 | 无锡万川环境装备技术有限公司 | Air-floating dissolved air tank |
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| CN117142557A (en) * | 2023-09-22 | 2023-12-01 | 无锡万川环境装备技术有限公司 | Air-floating dissolved air tank |
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