CN107388028A - More LNG tank case synchronization loading systems - Google Patents
More LNG tank case synchronization loading systems Download PDFInfo
- Publication number
- CN107388028A CN107388028A CN201710663454.0A CN201710663454A CN107388028A CN 107388028 A CN107388028 A CN 107388028A CN 201710663454 A CN201710663454 A CN 201710663454A CN 107388028 A CN107388028 A CN 107388028A
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- China
- Prior art keywords
- lng tank
- tank case
- oil cylinder
- lng
- fixed plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/02—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with liquefied gases
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- 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
- F17C13/00—Details of vessels or of the filling or discharging of vessels
-
- 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
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/002—Automated filling apparatus
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a kind of more LNG tank case synchronization loading systems, including house steward, branch pipe and LNG tank case, the house steward is communicated with liquid feeding end and returns air return end, the house steward connects with one end of more branch pipes, the other end of each branch pipe is filling end, each filling end is corresponding with a LNG tank case in the same plane, is provided with receiving terminal on each LNG tank case, automatic butt jointing device is provided between the filling end of the branch pipe and receiving terminal.Automatic butt jointing device realizes the connection of filling end and receiving terminal, you can to realize that the synchronization to multiple tank bodies is filling by house steward, meets the requirement filled to multiple tank casees on ship；Realize gas field liquefaction plant directly to fill LNG in the LNG tank case of LNG tank case cargo ship, after LNG tank case cargo ship is unloaded in the dangerous material region of container terminal, directly can be transported by flat car or railway.
Description
Technical field
The present invention relates to LNG transport fields, more particularly to a kind of more LNG tank case synchronization loading systems.
Background technology
LNG is the abbreviation of liquefied natural gas, for it is does a kind of clean energy resource, in terms of import, contributes to the energy to disappear
Expense state realizes the diversification of energy supply；In terms of outlet, contribute to natural gas producing nation effective exploitation natural gas resource, increase
Foreign exchange earnings, promote national economic development.
China just has in the coastal LNG projects of planning and implementation at present：Guangdong, Fujian, Zhejiang, Shanghai, Jiangsu, Shandong,
Liaoning, Ningxia, Tangshan etc., ultimately form a coastal LNG receiving station and transmission pipeline network.
Existing conventional LNG middle and long distances transport be by bulk ship from gas field liquefaction plant deliver to coastal LNG receiving stations Lai
Complete, then again by the loading station of receiving station to groove tank car entrucking, then transported by land tank car to end and use unit
Operation is come and gone in storage tank.
The tank system of LNG ship is generally divided into two kinds of self supporting type and diaphragm type, and two kinds of hulls all can be transported once largely
LNG.But when the natural gas transportation in this kind of LNG ship is to tank car（Land transport LNG vehicle）, because the danger of liquefied natural gas
It is dangerous, so needing construction LNG receiving stations just to be conveyed.For the construction scale of current Chinese LNG receiving stations,
In a short time, it can not realize that quickly substantial amounts of LNG gas transports are at user.
But the dosing method of current LNG ship is, charging line is connected with Large LNG storage tank by loading arm, so
After fill LNG, this kind of loading arm Authorization Notice No. for " CN103899915B " patent of invention disclosed in.But when on cargo ship
When having more LNG tank casees, existing handling mode can not be realized to the simultaneously and rapidly filling of multiple LNG tank casees.
The content of the invention
It is an object of the invention to provide a kind of more LNG tank case synchronization loading systems, have synchronous to the synchronously filling of multiple tank case
Advantage.
The present invention above-mentioned technical purpose technical scheme is that：A kind of more LNG tank casees synchronously add
Injection system, including house steward, branch pipe and LNG tank case, the house steward are communicated with liquid feeding end and return air return end, the house steward and more branch
One end connection of pipe, the other end of each branch pipe is filling end, and each filling end is corresponding with a LNG in the same plane
Tank case, receiving terminal is provided with each LNG tank case, automatic butt jointing device is provided between the filling end and receiving terminal.
By using above-mentioned technical proposal, automatic butt jointing device realizes the connection of filling end and receiving terminal, by house steward
Low pressure LNG transmit to each branch pipe, then by automatic butt jointing device, realize between the filling end of branch pipe and LNG tank case
It is docked and connected, you can to realize that the synchronization to multiple tank bodies is filling by house steward, meet to fill multiple tank casees on ship wants
Ask.
Preferably, the branch pipe includes folding filler pipe and folding return tracheae；The automatic butt dress
Put including travel mechanism, travel mechanism's driving filler pipe and return tracheae stretch in space and freely docked with filling end
Connection.
By using above-mentioned technical proposal, automatic butt jointing device makes branch pipe move and extend in space, due to low pressure LNG
Liquid can only be kept at subzero less than 100 degree, so filler pipe and return tracheae are configured using folding mode, and
In docking operation, filler pipe and return tracheae are extended by the way of stretching, extension；Travel mechanism can also use manipulator simultaneously.
Preferably, the automatic butt jointing device also includes the first fixed plate and the second fixed plate, the receiving terminal includes
The female fill adapter being arranged in the first fixed plate, female fill adapter connect with LNG tank case, are set in second fixed plate
Male fill adapter corresponding with female fill adapter is equipped with, the public fill adapter connects with filler pipe and return tracheae respectively, institute
State connection and disconnection that travel mechanism drives male fill adapter and female fill adapter by straight reciprocating motion.
By using above-mentioned technical proposal, the second fixed plate and the first fixed plate serve fixed male fill adapter and added with female
The effect of joint is noted, ensures stability and structural strength during docking；Simultaneously public fill adapter have two, respectively with filler pipe and
Tracheae connection is returned, i.e., during automatic butt, is the connection of male fill adapter and female fill adapter, ensure that docking
Sealing.
Preferably, the automatic butt jointing device also includes being arranged on guiding mechanism in the second fixed plate, described first
Guiding locking mechanism is provided between fixed plate and the second fixed plate.
By using above-mentioned technical proposal, guide frame reduces the trueness error in straight-line motion mechanism pushing course；
Being oriented to locking mechanism makes the second fixed plate and the first fixed plate keep fixing after automatic butt, avoids injecting low pressure LNG mistake
Cheng Zhong, the second fixed plate and the first fixed plate depart from.
Preferably, the guiding mechanism includes the 3rd fixed plate and guide pillar, the travel mechanism includes fixing with the 3rd
The first oil cylinder that plate is fixed, the piston rod of first oil cylinder is fed through the 3rd fixed plate and is connected with the second fixed plate, described
One end of guide pillar is connected in the second fixed plate and is fed through the 3rd fixed plate.
By using above-mentioned technical proposal, guide pillar plays a part of guiding during the first oil cylinder pushing, improved
Precision in second fixed plate and the first fixed plate docking operation, avoids male fill adapter from being hit with female fill adapter.
Preferably, second fixed plate includes float plate and oil cylinder fixed block, the public fill adapter is arranged on floating
On dynamic plate, the guide pillar is arranged on oil cylinder fixed block, and floating is provided between the float plate and oil cylinder fixed block to scheming
Structure.
By using above-mentioned technical proposal, when male fill adapter docks with female fill adapter, because elevating mechanism makes public add
Note joint relatively moves in the height direction with female fill adapter, so bringing the problem of merging precision is inadequate, for a long time
After use, male fill adapter is caused to produce abrasion with female fill adapter；In docking operation, floating concentric mechanism make float plate with
Oil cylinder fixed block may move in the height direction, and then improve the concentricity of male fill adapter and female fill adapter, reduce abrasion.
Preferably, the floating concentric mechanism includes through hole, fixed part and elastic component；The through hole is through floating
Plate and oil cylinder fixed block are set, and the fixed part is set through through hole, and the both ends of the fixed part length direction, which are more than, to be run through
The aperture in hole, one end of the fixed part length direction is connected with the piston rod and oil cylinder fixed block of the first oil cylinder respectively, described
The other end of fixed part length direction abuts with float plate, and then limitation float plate and oil cylinder fixed block are mutual in the horizontal direction
It is mobile；One end of the elastic component is connected with float plate, and the other end of the elastic component is connected with oil cylinder fixed block；The elasticity
Part makes float plate and oil cylinder fixed block move in the height direction after float plate is by the active force of short transverse.
By using above-mentioned technical proposal, when male fill adapter docks with female fill adapter, because elevating mechanism can be brought
The problem of merging precision is inadequate, after permanent use, male fill adapter can be caused to produce abrasion with female fill adapter.In docking operation
In, in the height direction by after active force, elastic component can be stretched or compressed for float plate and oil cylinder fixed block, and float plate is in height
It is moved on direction, and then the position of female fill adapter is changed, makes male fill adapter and female fill adapter in height
It is aligned on direction, reduces frictional force between the two, reduces abrasion.
Preferably, the locking mechanism that is oriented to includes the second oil cylinder, the securing rod being arranged in the second fixed plate and set
The locking sleeve pipe in the first fixed plate is put, the securing rod coordinates with locking sleeve pipe, and slid chamber is provided with the securing rod,
Sliding part is slidably connected in the slid chamber, the slid chamber has radially extended locking channel, rolled in the locking channel
Dynamic be connected with locks pearl, the lock slots that the inner surface setting of the locking sleeve pipe has and locking pearl coordinates, and the one of the sliding part
End is provided with the inclined-plane abutted with locking pearl, and the other end of the sliding part is connected with the second oil cylinder；Second oil cylinder pushing
Sliding part slides, and then slope driving locking pearl protrudes from locking rod outer surface and made in locking pearl insertion lock slots.
By using above-mentioned technical proposal, the first oil cylinder promotes float plate to the first fixed plate, public in pushing course
Fill adapter is docked and connected with female fill adapter, and securing rod enters in locking sleeve pipe, and then the second oil cylinder pushing sliding part is in cunning
Intracavitary movement is moved, makes in locking pearl insertion lock slots, avoids float plate from departing from the first fixed plate.
Preferably, being provided with elevating mechanism on the house steward, the elevating mechanism includes hoistable platform and promoted to lift
3rd oil cylinder of lifting platform, the house steward include being arranged on the first pipeline of hoistable platform both sides, and the house steward also includes setting
The second pipe on hoistable platform is put, be communicated with more between first pipeline and second pipe is connected by swivel
Connecting tube.
By using above-mentioned technical proposal, LNG storage tank can be stacked with multilayer in the height direction, expand storage LNG's
Volume；It is moved to simultaneously by the lifting of hoistable platform, automatic butt jointing device in the LNG tank case on upper strata, realizes short transverse
On filling to LNG storage tank.
Another object of the present invention is to, there is provided a kind of LNG tank case cargo ship synchronously filled for realizing more LNG tank casees.
The present invention above-mentioned technical purpose technical scheme is that：A kind of LNG tank case cargo ship, bag
Include more LNG tank case synchronization loading systems.
By using above-mentioned technical proposal, more LNG tank case synchronization loading systems are installed on LNG tank case cargo ship, it is real
Show gas field liquefaction plant directly to fill LNG in the LNG tank case of LNG tank case cargo ship, the dangerous material in container terminal
After region is unloaded, directly it can be transported by flat car or railway.
In summary, the invention has the advantages that：
1st, automatic butt jointing device realizes the connection of filling end and receiving terminal, you can be realized by house steward to the same of multiple tank bodies
Walk filling, meet the requirement filled to multiple tank casees on ship；
2nd, realize gas field liquefaction plant directly to fill LNG in the LNG tank case of LNG tank case cargo ship, LNG tank case cargo ship
After being unloaded in the dangerous material region of container terminal, directly it can be transported by flat car or railway；
3rd, LNG ship does not load Large LNG storage tank, but loads the mode of LNG tank case, LNG receiving stations filling harbour by LNG
Fill in the LNG tank case on ship, then LNG tank case is delivered to container terminal dangerous material berth by shipping, when LNG ship conveys
To harbour, flat bed delivery vehicle can be directly by LNG tank case, land transportation to user.
Brief description of the drawings
Fig. 1 is the position relationship schematic diagram of platform in embodiment 1；
Fig. 2 is LNG storage tank and the position relationship schematic diagram of automatic butt jointing device in embodiment 1；
Fig. 3 is the structural representation of LNG storage tank in embodiment 1；
Fig. 4 is the enlarged diagrams of A portions shown in Fig. 3；
Fig. 5 is the structural representation of automatic butt jointing device in embodiment 1；
Fig. 6 is the diagrammatic cross-section of automatic butt jointing device in embodiment 1；
Fig. 7 is the diagrammatic cross-section of the securing rod and locking sleeve pipe of embodiment 1；
Fig. 8 is the structural representation of the second fixed plate in embodiment 1；
Fig. 9 is the structural representation of hoistable platform in embodiment 1；
Figure 10 is the enlarged diagrams of B portions shown in Fig. 9；
Figure 11 is the top view of the middle deck of embodiment 2；
Figure 12 is the schematic cross-section of female fill adapter of embodiment 3.
In figure, 1, platform；11st, LNG tank case；12nd, module is stored；13rd, tank body；14th, frame structure；15th, receiving terminal；16、
First fixed plate；17th, female fill adapter；18th, solenoid electric valve；19th, the second fixed plate；2nd, house steward；21st, swivel；22、
Low pressure LNG is managed；23rd, nitrogen tube；24th, instrument air pipe；26th, flare stack；3rd, automatic butt jointing device；31st, float plate；32nd, it is public to add
Note joint；33rd, filler pipe；34th, tracheae is returned；35th, oil cylinder fixed block；36th, the 3rd fixed plate；37th, the first oil cylinder；38th, aviation
Joint；39th, aviation socket；4th, guide pillar；41st, floating concentric mechanism；42nd, through hole；43rd, fixed part；44th, elastic component；45th, first
Moving block；46th, the second moving block；5th, module is lifted；51st, the first pipeline；52nd, second pipe；53rd, connecting tube；54th, lifting is flat
Platform；55th, the 3rd oil cylinder；6th, it is oriented to locking mechanism；61st, securing rod；62nd, sleeve pipe is locked；63rd, slid chamber；64th, the second oil cylinder；65、
Sliding part；66th, locking channel；67th, pearl is locked；68th, inclined-plane；69th, lock slots；7th, deck;71st, valve element；72nd, spring；73rd, filter
Hole;74th, vacuum thermal insulation cavity.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, people in the art
Member can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but as long as at this
All protected in the right of invention by Patent Law.
Embodiment 1：As depicted in figs. 1 and 2, a kind of 11 synchronous loading system of more LNG tank casees, including multiple LNG tank casees 11
（Fig. 1 is top view）, it is an object of the invention to realize that the synchronization to multiple LNG tank casees 11 fills.
As depicted in figs. 1 and 2, the module 12 of storing of LNG tank case 11 includes setting platform 1 in the plane, opposed platforms 1
On LNG tank case 11 in being oppositely arranged, LNG tank case 11 is set side by side with multiple along local width direction（It is clear in order to show in Fig. 2
Chu, the LNG tank case 11 being set up in parallel is hidden）；In the height direction, LNG tank case 11 has been piled up two layers；In the length of platform 1
On direction, LNG storage tank may also set up multigroup.
As shown in Fig. 2 the system includes conveying LNG and conveying returns to the house steward 2 of gas, realize house steward 2 and store module
The automatic butt jointing device 3 of the automatic butt of LNG tank case 11 in 12；When storing the pile of LNG tank case 11 in module 12 and having multilayer,
The system also includes realizing that automatic butt jointing device 3 lifts, the lifting module 5 filled to the LNG tank case 11 piled up on upper strata.
As shown in figure 3, LNG tank case 11 includes being arranged on the frame structure 14 of outside and is arranged on the tank body 13 of inside, tank
Body 13 is fixed by frame structure 14；One end of the length direction of LNG tank case 11 is provided with receiving terminal 15, as shown in figure 4, receiving terminal 15
Including the first fixed plate 16 fixed with frame structure 14；First fixed plate 16 includes two female fill adapters 17：One mother adds
Note joint 17 is connected by two pipelines with tank body 13, and two pipelines each serve as normal filling LNG and in advance filling LNG effect
Fruit（Precooling is carried out before tank body 13 is filling）；Another female fill adapter 17 is connected by a pipeline with tank body 13, works as filling
During LNG, play a part of discharging the gas in tank body 13；Solenoid electric valve 18, control pipeline are both provided with each pipeline
Keying.
As shown in figure 5, automatic butt jointing device 3 includes float plate 31, public fill adapter 32 is provided with float plate 31, public affairs add
Noting joint 32 can be with female fill adapter 17 in the first fixed plate 16（In Fig. 4）Grafting connects；Two public fill adapters 32 are distinguished
Be communicated with folding filler pipe 33 and it is folding return tracheae 34, filler pipe 33 and return tracheae 34 respectively with Fig. 2
House steward 2 connects.
As shown in fig. 6, the fixed plate 36 of oil cylinder fixed block 35 and the 3rd is disposed with after float plate 31, float plate 31 and oil
Cylinder fixed block 35 connects.The first oil cylinder 37 is fixed with 3rd fixed plate 36, the piston rod of the first oil cylinder 37 is fed through the 3rd and consolidated
After fixed board 36, promote oil cylinder fixed block 35 and float plate 31 to be moved to the first fixed plate 16, make female fill adapter 17 with it is above-mentioned male
Fill adapter 32 connects.
As shown in figure 5, Aviation Connector 38 and aviation socket 39 are correspondingly arranged in the fixed plate 16 of float plate 31 and first,
After the first oil cylinder 37 promotes float plate 31 to be moved to the first fixed plate 16, Aviation Connector 38 is docked with aviation socket 39, and then
Control solenoid electric valve 18.
As shown in figure 8, four guide pillars 4 are provided between the 3rd fixed plate 36 and oil cylinder fixed block 35, one end of guide pillar 4
Fixed with oil cylinder fixed block 35, while guide pillar 4 is fed through the 3rd fixed plate 36, when the first oil cylinder 37 promotes float plate 31 to move
When, guide pillar 4 coordinates with the 3rd fixed plate 36, serves the effect of guiding.
As shown in figure 5, the process relatively or contrarily moved to the first fixed plate 16 in the first oil cylinder 37 promotion float plate 31
In, male fill adapter 32 and above-mentioned female fill adapter 17 dock.Docked to reduce male fill adapter 32 with female fill adapter 17
When, abrasion that concentricity is not enough brought.As shown in fig. 6, floating is provided between float plate 31 and oil cylinder fixed block 35 to the heart
Mechanism 41.
The structure of floating concentric mechanism 41 is：
As shown in fig. 6, floating concentric mechanism 41 includes the through hole 42 through float plate 31, fixed part is provided with through hole 42
43, fixed part 43 is fed through through hole 42, both ends the radially extending along through hole 42 of the length direction of fixed part 43, fixed part 43
The both ends of length direction diametrically protrude from through hole 42, play a part of clamping float plate 31 and oil cylinder fixed block 35, Gu
Determine portion 43 and limit the movement of float plate 31 and oil cylinder fixed block 35 in the horizontal direction；The piston of the oil cylinder 37 of fixed part 43 and first
Bar connects, so as to which thrust and pulling force are transferred in float plate 31 and oil cylinder fixed block 35.
As shown in figure 8, in the height direction, the corner location of the inner side of float plate 31 is provided with elastic component 44, elastic component
44 be spring, and one end of each spring is connected by the first moving block 45 with float plate 31, and the other end of each spring passes through
Two moving blocks 46 are connected with oil cylinder fixed block 35.And then float plate 31 and oil cylinder fixed block 35 are in the height direction after stress（On
When stating male fill adapter 32 and being docked with female fill adapter 17, active force that concentricity is not enough brought）, elastic component 44 can stretch or press
Contracting, makes male fill adapter 32 and female fill adapter 17 be aligned in the height direction.
As shown in figure 5, in order to ensure that the first fixed plate 16 and float plate 31 in docking, are in the lock state, float plate
31 and first are provided between fixed plate 16 and are oriented to locking mechanism 6.
As shown in figure 5, guiding locking mechanism 6 includes the securing rod 61 being arranged in float plate 31 and is arranged on the first fixation
Locking sleeve pipe 62 on plate 16, when the first oil cylinder 37 promotes float plate 31 to be moved to the first fixed plate 16, securing rod 61 moves into
Lock in sleeve pipe 62, play a part of being oriented to and position；As shown in fig. 6, slid chamber 63 is provided with securing rod 61, float plate 31
The second oil cylinder 64 is provided with the back side of securing rod 61, the piston rod of the second oil cylinder 64 is connected with sliding part 65, and sliding part 65 is slided
Shifting is connected in slid chamber 63；As shown in fig. 7, the end set of securing rod 61 has a circle locking channel 66, locking channel 66 with
Slid chamber 63 connects, and is rolled in locking channel 66 and is connected with locking pearl 67；The end set of sliding part 65 has inclined-plane 68, works as slip
When part 65 moves under the drive of the second oil cylinder 64 to locking pearl 67, locking pearl 67 ejects locking by the inclined-plane 68 of sliding part 65 and led to
The part of road 66（I.e. locking pearl 67 protrudes from the dry outer surface of locking）, then lock the lock slots that the insertion of pearl 67 locks sleeve pipe 62
In 69, prevent securing rod 61 from departing from locking sleeve pipe 62.
As shown in figure 5, folding filler pipe 33 and the folding material for returning to tracheae 34 are transport low temperature LNG liquid
Special pipeline；Because filler pipe 33 and return tracheae 34 are formed by connecting by more pipelines, filler pipe 33 and return tracheae 34
Folding realize that swivel 21 not only realizes pipeline and pipeline by being provided with swivel 21 between adjacent tubes
Between rotation, while the connection between adjacent channel can also be realized by swivel 21.Floated when the second oil cylinder 64 promotes
Plate 31 to the first fixed plate 16 move when, by the filler pipe 33 in folded state and return tracheae 34 can extend, realize pair
The filling of LNG tank case 11；When the second oil cylinder 64 withdraws float plate 31, filler pipe 33 and return tracheae 34 fold.
As shown in Figure 10, house steward 2 functionally classifies, including at least five, be respectively low pressure LNG pipes 22, nitrogen tube 23,
Instrument air pipe 24, return to tracheae 34 and flare stack 26.Nitrogen tube 23 serves the work of LNG in displacement house steward 2 and LNG tank case 11
With；Torch is connected to after flare stack 26, plays a part of burning the remaining LNG in house steward 2（LNG across the sea also can be directly right
Outer emptying）；Low pressure LNG pipes 22 are communicated to filler pipe 33, play a part of that LNG tank case 11 is carried out to fill LNG, low pressure LNG pipes
22 other end is liquid feeding end, and liquid feeding end is the position for supplying low pressure LNG；Return tracheae 34, which is communicated with, returns air return end, returns to gas
The pipeline tapping of gas is discharged at end, and in filling process, the gas in LNG tank case 11 is discharged；Instrument air pipe 24 is to logical
Cross the valve injection gas of pressure control.
As shown in figure 9, in order to realize the lift action of lifting module 5, house steward 2, which is divided into, to be arranged on hoistable platform 54
Second pipe 52 and the first pipeline 51 for being arranged on the both sides of hoistable platform 54, the first pipeline 51 and second pipe 52 pass through connecting tube
53 connections；First pipeline 51 and second pipe 52 include low pressure LNG pipes 22 in Figure 10, nitrogen tube 23, instrument air pipe 24,
Return to tracheae 34 and flare stack 26.Filler pipe 33 and return tracheae 34 on i.e. above-mentioned automatic butt jointing device 3, are communicated to the second pipe
In road 52.
As shown in Figure 10, connecting tube 53 includes more, and in embodiment 1, connecting tube 53 is four, positioned at the connection of head end
A pipeline connection in the pipeline 51 of pipe 53 and first, positioned at the connecting tube 53 of a tail end pipe corresponding with second pipe 52
Road is connected, and adjacent connecting tube 53 is rotatablely connected and connected by swivel 21.When hoistable platform 54 rises, more connections
Pipe 53 stretches, and when hoistable platform 54 declines, more connecting tubes 53 mutually fold.
Lifted as shown in figure 9, hoistable platform 54 is realized by the 3rd oil cylinder 55, the 3rd oil cylinder 55 is provided with embodiment 1
Three, the bottom of the 3rd oil cylinder 55 may be provided at platform below 1 or platform more than 1, the piston rod of the 3rd oil cylinder 55 and lifting are flat
The bottom connection of platform 54；Automatic butt jointing device 3 is arranged on the side of hoistable platform 54 or opposite both sides, automatic butt jointing device 3
The LNG tank case 11 that LNG tank case 11 or both sides multiple, to side are distributed with along the length direction of second pipe 52 fills.
The course of work of embodiment 1 is：Hoistable platform 54 is risen or fallen to the position of platform 1, until public fill adapter 32
It is aligned with female fill adapter 17, in lifting process, connecting tube 53 folds；Then the first oil cylinder 37 by float plate 31 to
One fixed plate 16 promotes, and in pushing course, male fill adapter 32 is docked and connected with female fill adapter 17, and securing rod 61 enters lock
Determine in sleeve pipe 62, then the second oil cylinder 64 promotes sliding part 65 to move, and locking pearl 67 is embedded in lock slots 69, avoids float plate
31 depart from the first fixed plate 16；During male fill adapter 32 docks with female fill adapter 17, in the work of elastic component 44
Under, float plate 31 moves in the height direction with oil cylinder fixed block 35, avoid the male box mother fill adapter 17 of fill adapter 32 it
Between shock；Solenoid electric valve 18 is opened, and after the precooling of LNG tank case 11, filler pipe 33 injects low pressure LNG in LNG tank case 11, returns
The synchronous gas by LNG tank case 11 of muffler 34 is discharged.After LNG tank case 11 in same level fills, electricity
Magnet valve control LNG tank, filler pipe 33 and return tracheae 34 are closed, and the second oil cylinder 64 and the first oil cylinder 37 are gradually withdrawn.Then rise
Drop platform 54 moves up, and repeats the above steps, realizes to the filling of more LNG tank casees 11.
Embodiment 2：As shown in figure 11, a kind of LNG tank case cargo ship, including deck 7, it is provided with embodiment 1 on deck 7
More LNG tank case synchronization loading systems, while LNG stores module 12 and is arranged on deck 7, and the main body of the 3rd oil cylinder 55 can be set
On deck below 7, the piston rod of the 3rd oil cylinder 55 can be fed through deck 7 and be put down with the lifting described in Figure 10 on deck 7
Platform 54 connects.
The operation principle of embodiment 2 is identical with the operation principle of embodiment 1, and LNG receiving stations or liquefaction plant harbour pass through
Oil filling riser inculcates low pressure LNG to house steward 2, realizes that the synchronization to multiple LNG tank casees 11 on LNG tank case cargo ship is filling.
Embodiment 3：As shown in figure 12, Figure 11 is the schematic cross-section of female fill adapter 17, the inwall of female fill adapter 17
Vacuum thermal insulation cavity 74 is inside provided with, vacuum thermal insulation cavity 74 sets by being provided with vacuum thermal insulation around female fill adapter 17
Cavity 74, and then subzero 100 degree of low pressure LNG in public fill adapter 32, in filling process, will not cause public fill adapter 32
Outer surface freeze, male fill adapter 32 is preferably inserted in above-mentioned female fill adapter 17, reduce abrasion the problem of.
Check valve is provided with female fill adapter 17, after above-mentioned male fill adapter 32 is inserted in female fill adapter 17,
Above-mentioned public fill adapter 32 promotes valve element 71 to be moved rearwards, and the low pressure LNG in male fill adapter 32 is filled by filter opening 73 to mother
Flow, realized to the filling of above-mentioned LNG tank case in joint 17；Simultaneously after above-mentioned male fill adapter 32 leaves female fill adapter,
Spring 72 drives valve element 71 to move, and blocks female fill adapter 17.
Claims (10)
- A kind of 1. more LNG tank case synchronization loading systems, it is characterised in that：It is described including house steward (2), branch pipe and LNG tank case (11) House steward (2) is communicated with liquid feeding end and returns air return end, and the house steward (2) connects with one end of more branch pipes, each branch pipe The other end is filling end, and each filling end is corresponding with a LNG tank case (11), each LNG tank case in the same plane (11) receiving terminal (15) is provided with, automatic butt jointing device (3) is provided between the filling end and receiving terminal (15).
- 2. more LNG tank case synchronization loading systems according to claim 1, it is characterised in that：The branch pipe includes foldable Filler pipe (33) and it is folding return tracheae (34)；The automatic butt jointing device（3）Including travel mechanism, the moving machine Structure driving filler pipe (33) and return tracheae (34) stretch in space and are freely docked and connected with filling end.
- 3. more LNG tank case synchronization loading systems according to claim 2, it is characterised in that：The automatic butt jointing device（3） Also include the first fixed plate（16）With the second fixed plate（19）, the receiving terminal (15) is including being arranged on the first fixed plate（16）On Female fill adapter（17）, female fill adapter（17）Connected with LNG tank case (11), second fixed plate（19）Upper setting Have and female fill adapter（17）Corresponding public fill adapter（32）, the public fill adapter（32）Respectively with filler pipe (33) and returning Muffler (34) connects, and the travel mechanism drives public fill adapter by straight reciprocating motion（32）With female fill adapter（17） Connection and disconnection.
- 4. more LNG tank case synchronization loading systems according to claim 3, it is characterised in that：The automatic butt jointing device（3） Also include being arranged on the second fixed plate（19）On guiding mechanism, first fixed plate（16）With the second fixed plate（19）Between It is provided with and is oriented to locking mechanism (6).
- 5. more LNG tank case synchronization loading systems according to claim 4, it is characterised in that：The guiding mechanism includes the Three fixed plates (36) and guide pillar (4), the travel mechanism includes first oil cylinder (37) fixed with the 3rd fixed plate (36), described The piston rod of first oil cylinder (37) be fed through the 3rd fixed plate (36) and with the second fixed plate（19）Connection, the guide pillar (4) One end is connected to the second fixed plate（19）Go up and be fed through the 3rd fixed plate (36).
- 6. more LNG tank case synchronization loading systems according to claim 5, it is characterised in that：Second fixed plate (19) Including float plate (31) and oil cylinder fixed block (35), the public fill adapter（32）It is arranged in float plate (31), the guide pillar (4) it is arranged on oil cylinder fixed block (35), floating is provided between the float plate (31) and oil cylinder fixed block (35) to scheming Structure (41).
- 7. more LNG tank case synchronization loading systems according to claim 6, it is characterised in that：The floating concentric mechanism (41) through hole (42), fixed part (43) and elastic component are included（44）；The through hole (42) runs through float plate (31) and oil cylinder Fixed block (35) is set, and the fixed part (43) is set through through hole (42), the both ends of fixed part (43) length direction More than the aperture of through hole (42), one end of fixed part (43) length direction respectively with the piston rod of the first oil cylinder (37) and Oil cylinder fixed block (35) connects, and the other end of fixed part (43) length direction abuts with float plate (31), and then limits floating Dynamic plate (31) is mutually shifted in the horizontal direction with oil cylinder fixed block (35)；The elastic component（44）One end and float plate (31) Connection, the elastic component（44）The other end be connected with oil cylinder fixed block (35)；The elastic component（44）Float plate (31) by To after the active force of short transverse, float plate (31) and oil cylinder fixed block (35) is set to move in the height direction.
- 8. more LNG tank case synchronization loading systems according to claim 4, it is characterised in that：The guiding locking mechanism (6) Including the second oil cylinder (64), it is arranged on the second fixed plate（19）On securing rod (61) and the locking being arranged in the second fixed plate Sleeve pipe (62), the securing rod (61) coordinate with locking sleeve pipe (62), and slid chamber (63), institute are provided with the securing rod (61) State in slid chamber (63) and slidably connect sliding part (65), the slid chamber (63) has radially extended locking channel (66), institute State to roll in locking channel (66) and be connected with locking pearl (67), the inner surface setting of the locking sleeve pipe (62) has and locking pearl (67) lock slots (69) coordinated, one end of the sliding part (65) are provided with the inclined-plane (68) abutted with locking pearl (67), institute The other end for stating sliding part (65) is connected with the second oil cylinder (64)；Second oil cylinder (64) promotes sliding part (65) to slide, and enters And inclined-plane (68) promote locking pearl (67) to protrude from securing rod (61) outer surface and make in the embedded lock slots (69) of locking pearl (67).
- 9. more LNG tank case synchronization loading systems according to claim 2, it is characterised in that：It is provided with the house steward (2) Elevating mechanism, the elevating mechanism include hoistable platform (54) and promote the 3rd oil cylinder (55) of hoistable platform (54) lifting, institute Stating house steward (2) includes being arranged on first pipeline (51) of hoistable platform (54) both sides, and the house steward (2) also includes being arranged on lifting Second pipe (52) on platform (54), it is communicated with more between first pipeline (51) and second pipe (52) and passes through rotation Joint（21）The connecting tube (53) of connection.
- A kind of 10. LNG tank case cargo ship, it is characterised in that：It is synchronous including more LNG tank casees described in claim any one of 1-9 Loading system.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710663454.0A CN107388028B (en) | 2017-08-05 | 2017-08-05 | Synchronous filling system of many LNG tank casees |
| PCT/CN2017/106855 WO2019029005A1 (en) | 2017-08-05 | 2017-10-19 | Synchronous filling system for multiple lng tank containers, lng transport method and adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710663454.0A CN107388028B (en) | 2017-08-05 | 2017-08-05 | Synchronous filling system of many LNG tank casees |
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| Publication Number | Publication Date |
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| CN107388028A true CN107388028A (en) | 2017-11-24 |
| CN107388028B CN107388028B (en) | 2022-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710663454.0A Active CN107388028B (en) | 2017-08-05 | 2017-08-05 | Synchronous filling system of many LNG tank casees |
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| CN (1) | CN107388028B (en) |
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| CN116293411A (en) * | 2023-03-13 | 2023-06-23 | 浙江省海洋开发研究院 | Multi-LNG tank synchronous filling system and filling method |
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| CN107388028B (en) | 2022-12-27 |
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