CN103672392B - Liquefied natural gas filling landing stage - Google Patents
Liquefied natural gas filling landing stage Download PDFInfo
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- CN103672392B CN103672392B CN201210356619.7A CN201210356619A CN103672392B CN 103672392 B CN103672392 B CN 103672392B CN 201210356619 A CN201210356619 A CN 201210356619A CN 103672392 B CN103672392 B CN 103672392B
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- gas filling
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Abstract
The invention discloses a kind of liquefied natural gas filling landing stage, at least one LNG storage tank including hull, being installed on the deck of hull and liquefied natural gas filling system.Top feed tube and the bottom liquid in-out pipe of LNG storage tank are connected with liquefied natural gas filling system each via pipeline.Between reinforcement bearing on LNG storage tank bottom front and the saddle of tail end and deck, high-strength steel stud or bolt lock fasten.Connection through hole on the saddle of LNG storage tank front end is elongated hole, may move compared with deck, to adapt to deck distance change between former and later two saddles.In the present invention, LNG storage tank firmly installing above deck, and adapt to this specific environment of operation at sea.
Description
Technical field
The present invention relates to a kind of landing stage, particularly a kind of for liquefied natural gas filling landing stage.
Background technology
Along with progressively pushing away of inland navigation craft " oil to gas " project such as " gasification the Changjiang river ", " the Changjiang river environlnental logistics Innovation project "
Entering, liquefied natural gas (LNG) is increasingly becoming, as a kind of economy, green, the novel energy of safety, the following green generally acknowledged in the industry
The first-selection of the energy.
According to statistics, current China has been realized in the LNG repacking test of the ship types such as tugboat, bulk freighter, pleasure-boat, fisheries administration ship.
The domestic mature technology having grasped engine modification.But, inland navigation craft " oil to gas " technology but slowly do not have into
Exhibition, waterborne vessel " aerating is difficult " becomes the bottleneck of industry development.It is true that LNG ship oceangoing ship filling problem is not only China promotes LNG
Boats and ships need the difficult problem overcome, and are all difficult problems urgently to be resolved hurrily in World LNG fuel is promoted.According to relevant expert's introduction,
The most external technology relative maturity in this respect is Finland, uses " LNG gas holder station ", and storage, dispensing, logistics are accomplished one
Change linkage, carry out ship-to-ship aerating.But China prohibites construction gasholder station in the dykes and dams of inland river, and therefore Finland's pattern is from system
China it is unsuitable for from the point of view of aspect.On the other hand, the inland river such as China the Changjiang river flood low water level drop every year is relatively big, and after LNG is for liquefaction
Natural gas, it is necessary to using cryogenic piping transport, this pipeline belongs to hard tube, the most ductile and flexible, fills on the bank if building
Stand, in terms of pipeline connection, there is also certain difficulty.
In view of the above problems, notification number is that the Chinese utility model patent of CN20225284U discloses a kind of landing stage LNG and adds
Gas station, gas station integral installation, in wharf boat body, including the LNG storage tank installed above deck and fills natural to LNG storage tank
The loading system of gas, loading system includes LNG providing the cryopump of conveying power, to tubing in whole system and stream
Vacuum clack box that journey is controlled, whole system is carried out the electrical control gear of electrical control, and for external LNG tank car
Connector, supercharging liquid phase mouth, increase gas phase mouth, stop valve, pneumatic operated valve etc..During use, the LNG in LNG storage tank stores up through its LNG
The liquid in-out mouth output of tank, opens the pneumatic operated valve being arranged on pipeline by electrical control gear, under the effect of cryopump,
LNG is delivered to vacuum clack box through pipeline, then is delivered to external tapping through mass flowmenter, finally opens and is arranged on cutting at external tapping
Only valve fills LNG to ship.When the LNG in LNG storage tank reduces, LNG tank car can by the external LNG tank car of loading system even
Interface, supercharging liquid phase mouth, increase gas phase mouth fill LNG to LNG storage tank.Above-mentioned utility model patent discloses emphatically loading system
Structure, LNG storage tank installation on landing stage and this body structure of LNG storage tank are not carried out particular design.Due to ring waterborne
Border is different from land, if LNG storage tank on land fixed will be used LNG storage tank to be installed on landing stage, due to landing stage
Floating on waterborne, can often rock due to factors such as waves and produce various problem, the most aforesaid landing stage LNG gas station is at water
The poor reliability of upper operation.
Summary of the invention
It is an object of the invention to solve the technical problem of the existing landing stage LNG gas station difference of operational reliability on the water.
For achieving the above object, the present invention adopts the following technical scheme that
The liquefied natural gas filling landing stage of the present invention, including hull, be installed on described hull deck at least one
LNG storage tank and liquefied natural gas filling system.Described LNG storage tank has top feed tube and bottom liquid in-out pipe, described top
The mouth of pipe of feed tube and the mouth of pipe of bottom liquid in-out pipe stretch out described LNG storage tank at the tail end of described LNG storage tank, and each via
Pipeline is connected with described liquefied natural gas filling system.Front end and tail end bottom described LNG storage tank fix a saddle respectively,
Wherein, described deck being fixed with a reinforcement bearing corresponding to each described location of saddle support, described saddle props up with described reinforcement
Seat is respectively equipped with connection through hole, high-strength steel stud or bolt pass described saddle and the connection through hole on described reinforcement bearing,
By nut, described saddle is locked with described reinforcement bearing again.The saddle of described LNG storage tank tail end and adding of being attached thereto
Described connection through hole on strong bearing is all circular hole；Described connection through hole on the saddle of described LNG storage tank front end is elongated hole, and
The length direction of described elongated hole is consistent with the length direction of described LNG storage tank, with adapt to described deck former and later two saddles it
Between distance change.
According to an embodiment of the present invention, the connection on strong bearing that the saddle with described LNG storage tank front end is connected is led to
Hole is elongated hole, and the length direction of described elongated hole is consistent with the length direction of described LNG storage tank.
According to an embodiment of the present invention, it is folded with heat insulation tie-plate between described saddle and described reinforcement bearing.
According to an embodiment of the present invention, described liquefied natural gas filling landing stage also include being fixed on described deck or
Two stopping means of the arranged on left and right sides of described saddle, two described spacing dresses are fixed on described reinforcement bearing and are positioned to person
Put left side and the right side supporting described saddle respectively.
According to an embodiment of the present invention, described saddle both sides are provided with boom hoisting.
According to an embodiment of the present invention, around described LNG storage tank and liquefied natural gas filling system on described deck
It is provided with cofferdam, in the region that described cofferdam is closed, is provided with deck protective layer.
According to an embodiment of the present invention, described LNG storage tank and liquefied natural gas filling system be arranged over cover
Ceiling.
According to an embodiment of the present invention, described LNG storage tank and liquefied natural gas filling system be arranged over spray
Device.
According to an embodiment of the present invention, described liquefied natural gas filling landing stage also includes being located at described LNG storage tank tail
Drip tray below end.
According to an embodiment of the present invention, the number of described LNG storage tank is two of layout parallel to each other, and two institutes
State the mouth of pipe of top feed tube of LNG storage tank, the mouth of pipe of bottom liquid in-out pipe is arranged symmetrically with in the lateral direction.
According to an embodiment of the present invention, described LNG storage tank is included outer cylinder body, is supported by least two supporting construction
Inner pressurd vessel in described outer cylinder body, between described outer cylinder body and described inner pressurd vessel formed interlayer, the top of described outer cylinder body and
Bottom is respectively equipped with back-up sand mouth, for filling pearlife in described interlayer to form heat insulation layer, and described outer cylinder body top inner wall
In laying respectively at the angular range between 60 degree of angles of peak both sides, fixing glass fibre cotton carpet veneer is laid in laminating.
According to an embodiment of the present invention, described supporting construction is epoxy FRP pipes, and is located at described LNG storage tank
The supporting construction of tail end is fixing connection with outer cylinder body and inner pressurd vessel, is located at the supporting construction of described LNG storage tank front end with outer
Connect for fixing between cylinder, be connected for slideable with between inner pressurd vessel.
According to an embodiment of the present invention, described glass fibre cotton carpet veneer has in the position corresponding to described back-up sand mouth
Back-up sand hole.
According to an embodiment of the present invention, the inwall of described outer cylinder body is fixed with multiple urceolus stiffening ring, the plurality of
Urceolus stiffening ring is arranged between described inner pressurd vessel and described outer cylinder body, and along the axial distribution of described LNG storage tank.
According to an embodiment of the present invention, axially disposed in described inner pressurd vessel have least one set to prevent swinging device, often group
The anti-device that swings includes preventing at least one piece swinging plate.
According to an embodiment of the present invention, the interior left end socket top of described inner pressurd vessel is provided with technique manhole, and bottom is provided with
At least one cryogenic absorption room, is filled with low temperature adsorbent with cryogenic absorption indoor in described technique manhole.
According to an embodiment of the present invention, described LNG storage tank is provided with liquidometer Pressure gauge, described liquidometer Pressure gauge
Gas phase adapter and liquid phase adapter on be equipped with teletransmission interface, by this interface connect pressure transmitter, differential pressure transmitter, by institute
State the pressure of LNG storage tank, level readings value is converted into the signal of telecommunication and transmits the control unit to described liquefied natural gas filling landing stage,
Pressure, liquid level in described LNG storage tank are monitored in real time, and realizes high-low pressure warning, two position warning or abnormal conditions
Report to the police.
As shown from the above technical solution, the advantage on the liquefied natural gas filling landing stage of the present invention and have the active effect that this
The liquefied natural gas filling landing stage of invention, deck is provided with the reinforcement bearing for installing LNG storage tank, the saddle of LNG storage tank with
Strengthening bearing to be fastenedly connected by high-strength steel stud or bolt, nut, bonding strength is high, therefore LNG storage tank consolidating on deck, landing stage
Fixed the most firm.Being additionally, since on the saddle of LNG storage tank tail end the connection through hole for wearing stud or bolt is circular hole, therefore
LNG storage tank tail end is stationarily connected on deck, landing stage, wears stud or spiral shell owing to being used on the saddle of LNG storage tank front end again
The connection through hole of bolt is elongated hole, therefore LNG storage tank front end can be connected on deck, landing stage movably forward and backward, can move forward and backward
Distance is substantially equal to the length of elongated hole.When deck due to expand with heat and contract with cold or the factor such as deformation and cause and at former and later two saddles
Between distance when changing, extra active force will not be produced between LNG storage tank and deck, therefore in the present invention, LNG stores up
Tank mounting means above deck adapts to this specific environment of operation at sea.
Accompanying drawing explanation
Fig. 1 is the perspective view on the liquefied natural gas filling landing stage of the present invention；
Fig. 2 is the side view on the liquefied natural gas filling landing stage of the present invention, represents and is provided with the structure covering ceiling and cofferdam；
Fig. 3 is the partial sectional view of the LNG storage tank in the liquefied natural gas filling landing stage of the present invention；
Fig. 4 is the sectional view made along line A-A in Fig. 3；
Fig. 5 is the right view of Fig. 3；
Fig. 6 represents in the liquefied natural gas filling landing stage of the present invention saddle and strengthens the local of annexation between bearing and put
Big figure；
Fig. 7 represents in the liquefied natural gas filling landing stage of the present invention saddle and strengthens the partial cutaway of annexation between bearing
View, is provided with heat insulation tie-plate；
Fig. 8 is the sectional view of the inner pressurd vessel of the LNG storage tank in the liquefied natural gas filling landing stage of the present invention, represents anti-and swings plate
Structure.
Detailed description of the invention
As it is shown in figure 1, the liquefied natural gas filling landing stage of the present invention, including hull 100, the deck that is installed on hull 100
Two LNG storage tank 101,102 on 103 and the liquefied natural gas filling system 107 being installed on deck 103.By liquefaction
Natural gas loading system 107, adds natural gas injection or adds natural gas injection to other ship to LNG storage tank 101,102, liquefaction
Natural gas loading system can use existing structure.The unlimited number of LNG storage tank is in two, it is also possible to only 1, or has
3,4 the most multiple.
As in figure 2 it is shown, in one embodiment of the present invention, around LNG storage tank 101,102 and liquefy natural on deck 103
Gas loading system 107 position is provided with recess, is provided with cement or cofferdam 400 that concrete is made in recess, and cofferdam 400 is closed
Region in be provided with the deck protective layer 410 of cement production systD, once there is LNG leakage, deck protective layer 410 can effectively prevent
Deck 103 directly contacts deep cooling LNG and embrittlement occurs, and then jeopardizes whole piece landing stage.In another embodiment of the present invention, also wrap
Including to be located at and cover ceiling 500 above LNG storage tank 101,102 and liquefied natural gas filling system 107, covering ceiling 500 can be by 4
Root post 510 supports, cover ceiling 500 for LNG storage tank 101,102 and liquefied natural gas filling system 107 cover wind and rain,
Keep the sun off.Further, being provided with spray equipment 600 covering ceiling 500, spray equipment 600 is used for preventing fire situation
Under large area spread, it is to avoid flame directly to LNG storage tank heating explode.
As shown in Fig. 1, Fig. 6 and Fig. 7, front end and tail end bottom LNG storage tank 101,102 are respectively welded and fix a saddle
104.Be fixed with on deck 103 105,4 reinforcement bearings 105 of 4 reinforcement bearings respectively with two LNG storage tank 101,102 front end
Corresponding with saddle 104 position of tail end.Saddle 104 include base plate, curved roof and be fixed on base plate and curved roof it
Between some supporting vertical plate, wherein curved roof is fixed on LNG storage tank lower external face.Saddle 104 can also use existing
Other structure.Two the reinforcement bearings 105 being positioned at front end can be structure as a whole, and is positioned at two reinforcement bearings 105 of tail end also
Can be structure as a whole.Strengthen bearing 105 and include the some supporting vertical plate between base plate, top board and fixing base plate and top board,
Base plate is fixed on deck 103, strengthens the top board of bearing 105 and the base plate laminating of saddle 104.Strengthen bearing 105 top board and
It is respectively equipped with connection through hole on the base plate of saddle 104, passes for high-strength steel (typically selecting 35CrMoA) stud 200, then by two
Saddle 104 is locked by individual nut 210 with strengthening bearing 105.It addition, reinforcement bearing 105 both sides or both sides, deck 103 are divided
Not being fixed with stopping means, such as a limited block, two limited blocks support left side and the right side of saddle 104 respectively, to prevent
Landing stage, under rolling operating mode, produces sliding between saddle 104 and reinforcement bearing 105, effectively reduces the shearing force that stud is subject to, really
Protect LNG storage tank to install above deck reliably, and then ensure the safe handling of LNG storage tank.Further, it is also possible at saddle 104
And strengthen sandwiched heat insulation tie-plate 108 between bearing 105.Once LNG storage tank leaks, and heat insulation tie-plate 108 is used for preventing deep cooling
The ultralow temperature that liquid brings is directly passed to strengthen bearing 105 by saddle 104 immediately, thus damages reinforcement bearing and whole
LNG storage tank.
As shown in Figure 3 and Figure 4, the connection through hole on the saddle 104 of LNG storage tank 101 tail end is circular hole 1041, corresponding to this
The connection through hole strengthened on bearing 105 of saddle 104 is also round hole, so when wearing stud in these two circular holes, and this saddle
Between seat 104 and reinforcement bearing 105, not there is amount of movement, thus make LNG storage tank 101 tail end can not move corresponding to deck 103.
Connection through hole on the saddle 104 of LNG storage tank 101 front end is elongated hole 1042, and the length direction of elongated hole 1042 and LNG storage tank
The length direction of 101 is consistent, so when wearing Stud connection saddle 104 in this elongated hole with reinforcement bearing 105, strengthens bearing
105 may move certain distance relative to saddle 104, i.e. deck 103 has certain amount of movement relative to LNG storage tank 101 front end, when
Deck 103 because expanding with heat and contract with cold or during distance change that the factor such as deformation causes between former and later two saddles, will not saddle with
Strengthen producing between bearing additional load, from without destroying LNG storage tank firmly installing property above deck, can effectively subtract simultaneously
Little impact LNG storage tank brought because of rolling dynamic loading.In order to increase the movement strengthening bearing 105 relative to saddle 104 further
Distance, can be also designed to elongated hole by the connection through hole strengthened on bearing 105 of front end, and the length direction of elongated hole stores up with LNG
The vertical consistency of tank.
As it is shown in figure 5, in one embodiment of the present invention, saddle 104 both sides are fixed with boom hoisting 127, such as hanger, hang
Band etc..In view of the service condition that LNG storage tank is actual, big volume is kind of a trend, for maximization equipment, from lifting
Reliability and safety perspective analysis, compare and arrange in LNG storage tank by boom hoisting, and boom hoisting is arranged on saddle 104
On more reasonable.In the present invention, boom hoisting 127 is located at saddle 104 both sides, it is ensured that the reliability of lifting and safety.
As shown in Figure 3, Figure 5 and Figure 6, the LNG storage tank 101 in the present invention mainly include outer cylinder body 109 and one with its with
The inner pressurd vessel 110 of the heart.The material of outer cylinder body 109 can be carbon structural steels Q345R, and the material of inner pressurd vessel 110 can be Ovshinsky
Body rustless steel S30408.Outer cylinder body 109 include central cylinder and being respectively welded be fixed on central cylinder two ends outer left end socket and
Outer right end socket.Inner pressurd vessel 110 includes central cylinder and is fixed on the interior left end socket at central cylinder two ends and interior right envelope with being respectively welded
Head.Forming interlayer between outer cylinder body 109 and inner pressurd vessel 110, outer cylinder body 109 top and bottom have several back-up sand holes,
It is easy in interlayer, fill the pearlife 111 for insulation, to form heat insulation layer.
Inner pressurd vessel 110 is connected and fixed on outer cylinder body 109 by two supporting constructions.Wherein it is positioned at LNG storage tank tail end (i.e. to lean on
Nearly interlayer pipeline 116 one end) supporting construction be with outer cylinder body 109 and inner pressurd vessel 110 to fix and be connected, before being positioned at LNG storage tank
The supporting construction of end is connected for fixing with outer cylinder body 109, is connected for slideable with between inner pressurd vessel 110.So can ensure that
In use will not make recurring structure deformation between inner pressurd vessel 110 and outer cylinder body 109 because of rocking, and be avoided that content
Device 110 because of after filling cryogenic liquid shrinkage and break supporting construction and the phenomenon of interlayer pipeline 116.Preferably, supporting construction is adopted
With Z3848 type epoxy FRP pipes 115, its intensity is much larger than metal material with the ratio of heat conductivity, and cryogenic property is good.
Inner pressurd vessel 110 top is provided with heavy caliber feed tube 122, is provided with heavy caliber liquid in-out pipe 123 bottom inner pressurd vessel 110,
Being additionally provided with a series of pipelines such as blow-down pipe, liquidometer gas phase pipe and liquidometer liquid-phase tube in interlayer, these pipelines are via outer cylinder body
The right end socket of 109 is drawn, it is simple to the merit such as realize the quick despatch of LNG storage tank, superpressure discharge, liquid level monitoring, pressure monitor, survey are expired
Energy.The mouth of pipe of the mouth of pipe of top feed tube of two LNG storage tank, bottom liquid in-out pipe and other function pipe is the most right
Claim to arrange (see figure 1).
The inwall of outer cylinder body 109 is welded with some circle angle steel 114, and some circle angle steel 114 are arranged at inner pressurd vessel 110 and urceolus
Between body 109, and along the axial distribution of LNG storage tank.Angle steel 114 is for strengthening rigidity and the intensity of outer cylinder body 109, outside preventing
Cylinder 109 produces stability and lost efficacy.
Excellent heat insulating performance is fixed in the range of outer cylinder body 109 top inner wall (being close to inwall) is positioned at 60 °, peak both sides
Ultra-fine fibre glass cotton carpet veneer 112, its can effectively prevent LNG storage tank in life-time service due to pearlife occur to a certain degree
Sedimentation and affect the insulation effect of LNG storage tank, it is ensured that its cryogenic property.Ultra-fine fibre glass cotton carpet veneer 112 is corresponding to filling out
The position of sand mouth has back-up sand hole.
The highest point of outer cylinder body 109 and lowest part are symmetrically arranged with the charging port of several pearlifes 111, and lowest part is main
Charging port, highest point is standby charging port, and first back-up sand is inserted by main charging port, so that the ultra-fine fibre glass of top layout
Cotton carpet veneer 112 is compacted by pearlife 111, plays optimal insulation effect, and standby charging port is for reprocessing back-up sand in the future.At urceolus
Body 109 is provided with vacuum orifice 113, utilizes evacuation unit will to fill up pearlife 111 between inner pressurd vessel 110 and outer cylinder body 109
Interlayer carry out evacuation, this measure can will be passed to the heat of inner pressurd vessel 110 by outer cylinder body 109 by the approach such as convection current and radiation
It is preferably minimized as far as possible, thus the cryogenic liquid in maintaining LNG storage tank normally works.
As shown in Figure 8, in inner pressurd vessel 110, be axially fixed that least one set is anti-swings device, often group anti-swing device include to
Preventing swinging plate 130 for few one piece, this embodiment includes that two the anti-of block gaps layout swing plate 130.Prevent that swinging plate 130 can effectively prevent landing stage
In rolling, pitching, hanging down and swing etc. under all multi-states, in LNG storage tank, cryogenic liquid shakes punching and the situation of drastically supercharging, and two adjacent groups is prevented
Swing the spacing between device and arrange general no more than 4 meters.Anti-swing plate 130 and the stiffening ring 129 of 110 inwalls that are arranged on inner pressurd vessel
It is welded and fixed.Prevent that swinging plate 130 preferably uses integral forming structure, is more uniformly stressed, it is to avoid occur during use
Stress concentrations, produces local fatigue breakoff phenomenon.
As it is shown on figure 3, left end socket 117 top is provided with technique manhole 118 in inner pressurd vessel 110, operator can be by technique
Manhole 118 enters inner pressurd vessel 110 and carries out operation (including internal cleaning, maintenance etc. in the future).Left end socket 117 in inner pressurd vessel 110
Bottom is provided with two pieces cryogenic absorption room 120, is filled with low temperature adsorbent in technique manhole 118 and cryogenic absorption room 120.Under
The cryogenic absorption room 120 that portion is arranged so that low temperature adsorbent can be chronically on Low Temperature Liquid side, farthest plays it
Absorption property, more efficiently the macromole gas in absorption interlayer, preferably keeps the vacuum of interlayer, it is ensured that the low temperature of storage tank
Performance.
Inner pressurd vessel 110 internal upper part is provided with the top feed tube 122 of heavy caliber (nominal is directly up to DN100), from inner pressurd vessel
Acting extension of turning right on the left of 110 internal upper parts, draw outside tank after interior rear head, outer rear head, this top feed tube 122 is designed as
Single tube porous mouth drenches and fills structure, can make cryogenic liquid maidenliness when being filled with inner pressurd vessel 110, and can make the portion in inner pressurd vessel 110
Point gas phase is liquefied by low temperature absorption, to keep the relative stability of inner pressurd vessel 10 gaseous pressure in filling process.At inner pressurd vessel 110
Interior bottom is again provided with heavy caliber (nominal is directly up to DN150) bottom liquid in-out pipe 123, straight from the bottommost of inner pressurd vessel 110
Connecing outside extraction tank, it is to avoid pile up too much debris in LNG storage tank during externally filling LNG, impact is normal to be used.LNG stores up
Tank top, bottom use heavy caliber liquid in-out pipe, it is ensured that the flow velocity that LNG is enough, improve the efficiency filling and externally filling.
For ensureing that tank body can stablize storing cryogenic fluids safely, outer cylinder body 109 is provided with maltilevel security device and instrument
Table: configuration liquidometer Pressure gauge group 124(is simultaneously provided with remote transmission device), interlayer is provided with urceolus explosion-protection equipment 119, and inner core is provided with group
Close security system valve 125 etc..LNG storage tank root is all provided with stop valve 126, in case loading system 107 breaks down, optional
Property ground close stop valve 126 carry out service work.It is equipped with remote in the gas phase adapter of liquidometer Pressure gauge group 124 and liquid phase adapter
Pass interface, connect pressure transmitter, differential pressure transmitter by this interface, the pressure of storage tank, level readings value can be converted into electricity
Signal is transferred to the control unit of loading system, monitors pressure, liquid level in LNG storage tank in real time, thus realizes high-low pressure
Report to the police, two position is reported to the police and other abnormal conditions are reported to the police, it is ensured that properly functioning, the safe handling of LNG storage tank on landing stage.Urceolus
On body 109 install has various valve, by pipeline be connected on loading system 107 realize handling low temperature LNG liquid and other
Function.Operation valve and instrument disposition are in the front of the outer right end socket 121 of storage tank afterbody, just to loading system 107, pipeline and valve
Neat and orderly, it is simple to Operation and Maintenance.Operation valve and instrument are arranged right below stainless steel drip tray 106(and see Fig. 1), with
Prevent the LNG the most very having seepage in operating process from the deck 103 of hull 100 is caused supercool damage.Additionally, all discharge tubes
It is both needed to carry out concentrating converge, through loading system empties via spark arrester after the EAG heater heating of 107 again, it is ensured that safety.
In the present invention, the dischargeable capacity of LNG storage tank reaches 100m3~700m3, operating pressure in the range of 1.0MPa ~
1.2MPa, can meet to inland river diesel-LNG double fuel hybrid power or the requirement of LNG single-fuel powered ship aerating, and one
500m3LNG filling landing stage full load condition can be the most about 30 boats and ships aeratings.The present invention is unimpeded, efficient, flat for building up
Peace, green modernization inland waterway system, it is achieved inland waterway Green Development target provides condition, meets national development low
Carbon green economy, energy-saving and emission-reduction realize the energy development strategy of sustainable development.
Although exemplary embodiment describing this utility model with reference to several, it is to be understood that, term used is explanation
With exemplary and nonrestrictive term.Owing to this utility model can be embodied as without deviating from practicality new in a variety of forms
The spirit of type or essence, it should therefore be appreciated that above-described embodiment is not limited to any aforesaid details, and should be in appended claims
Explain widely in the spirit and scope limited, therefore fall into the whole changes in claim or its equivalent scope and remodeling
All should be appended claims to be contained.
Claims (17)
1. a liquefied natural gas filling landing stage, including hull, be installed on described hull deck at least one LNG storage tank
And liquefied natural gas filling system, described LNG storage tank has top feed tube and bottom liquid in-out pipe, described top feed tube
The mouth of pipe of the mouth of pipe and bottom liquid in-out pipe stretches out described LNG storage tank at the tail end of described LNG storage tank, and each via pipeline and institute
Stating liquefied natural gas filling system to connect, front end and tail end bottom described LNG storage tank fix a saddle respectively, and its feature exists
In, described deck is fixed with a reinforcement bearing, described saddle and described reinforcement bearing corresponding to each described location of saddle support
It is respectively equipped with connection through hole, high-strength steel stud or bolt passes described saddle and the connection through hole on described reinforcement bearing, then
By nut, described saddle is locked with described reinforcement bearing, the saddle of wherein said LNG storage tank tail end and being attached thereto
The described connection through hole strengthened on bearing is all circular hole；Described connection through hole on the saddle of described LNG storage tank front end is elongated hole,
And the length direction of described elongated hole is consistent with the length direction of described LNG storage tank, to adapt to described deck at former and later two saddles
Between distance change.
2. liquefied natural gas filling landing stage as claimed in claim 1, it is characterised in that with the saddle of described LNG storage tank front end
The connection through hole strengthened on bearing connected is elongated hole, and the length direction of the length direction of described elongated hole and described LNG storage tank
Unanimously.
3. liquefied natural gas filling landing stage as claimed in claim 1, it is characterised in that described saddle and described reinforcement bearing it
Between be folded with heat insulation tie-plate.
4. liquefied natural gas filling landing stage as claimed in claim 1, it is characterised in that described liquefied natural gas filling landing stage is also
Two limits including the arranged on left and right sides being fixed on described deck or being fixed on described reinforcement bearing and be positioned at described saddle
Position device, left side and the right side of described saddle supported respectively by two described stopping means.
5. liquefied natural gas filling landing stage as claimed in claim 1, it is characterised in that described saddle both sides have been provided with lifting
Put.
6. liquefied natural gas filling landing stage as claimed in claim 1, it is characterised in that store up around described LNG on described deck
Tank and liquefied natural gas filling system are provided with cofferdam, are provided with deck protective layer in the region that described cofferdam is closed.
7. liquefied natural gas filling landing stage as claimed in claim 1, it is characterised in that described LNG storage tank and liquefied natural gas
Being arranged over of loading system covers ceiling.
8. liquefied natural gas filling landing stage as claimed in claim 1, it is characterised in that described LNG storage tank and liquefied natural gas
Loading system be arranged over spray equipment.
9. liquefied natural gas filling landing stage as claimed in claim 1, it is characterised in that described liquefied natural gas filling landing stage is also
Including the drip tray being located at below described LNG storage tank tail end.
10. liquefied natural gas filling landing stage as claimed in claim 1, it is characterised in that the number of described LNG storage tank is mutual
Two be arranged in parallel, and the mouth of pipe of the mouth of pipe of top feed tube of two described LNG storage tank, bottom liquid in-out pipe is in right and left
Upwards it is arranged symmetrically with.
11. liquefied natural gas filling landing stages as claimed in claim 1, it is characterised in that described LNG storage tank include outer cylinder body,
It is supported in the inner pressurd vessel in described outer cylinder body by least two supporting construction, is formed between described outer cylinder body and described inner pressurd vessel
Interlayer, the top of described outer cylinder body and bottom are respectively equipped with back-up sand mouth, for filling pearlife in described interlayer to be formed absolutely
Thermosphere, in described outer cylinder body top inner wall lays respectively at the angular range between 60 degree of angles of peak both sides, laminating is laid fixing
Glass fibre cotton carpet veneer.
12. liquefied natural gas filling landing stages as claimed in claim 11, it is characterised in that described supporting construction is expoxy glass
Steel pipe, and the supporting construction being located at described LNG storage tank tail end is fixing connection with outer cylinder body and inner pressurd vessel, be located at described in
It is connected for fixing between the supporting construction of LNG storage tank front end and outer cylinder body, is connected for slideable with between inner pressurd vessel.
13. liquefied natural gas filling landing stages as claimed in claim 11, it is characterised in that described glass fibre cotton carpet veneer is right
Described in Ying Yu, the position of back-up sand mouth has back-up sand hole.
14. liquefied natural gas filling landing stages as claimed in claim 11, it is characterised in that the inwall of described outer cylinder body is fixed with
Multiple urceolus stiffening rings, the plurality of urceolus stiffening ring is arranged between described inner pressurd vessel and described outer cylinder body, and along described
The axial distribution of LNG storage tank.
15. liquefied natural gas filling landing stages as claimed in claim 11, it is characterised in that axially disposed in described inner pressurd vessel
Having least one set to prevent swinging device, often the anti-device that swings of group includes preventing at least one piece swinging plate.
16. liquefied natural gas filling landing stages as claimed in claim 11, it is characterised in that on the interior left end socket of described inner pressurd vessel
Portion is provided with technique manhole, and bottom is provided with at least one cryogenic absorption room, is filled with cryogenic absorption indoor in described technique manhole
Low temperature adsorbent.
17. liquefied natural gas filling landing stages as claimed in claim 11, it is characterised in that described LNG storage tank is provided with liquid level
It is equipped with teletransmission interface in meter Pressure gauge, the adapter of described liquidometer manometric gas phase and liquid phase adapter, is connected by this interface
Pressure transmitter, differential pressure transmitter, be converted into signal of telecommunication transmission to described liquid by the pressure of described LNG storage tank, level readings value
Change the control unit on natural gas filling landing stage, pressure, liquid level in described LNG storage tank are monitored in real time, and realizes high-low pressure
Report to the police, two position is reported to the police or abnormal conditions are reported to the police.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210356619.7A CN103672392B (en) | 2012-09-24 | 2012-09-24 | Liquefied natural gas filling landing stage |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210356619.7A CN103672392B (en) | 2012-09-24 | 2012-09-24 | Liquefied natural gas filling landing stage |
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| CN103672392A CN103672392A (en) | 2014-03-26 |
| CN103672392B true CN103672392B (en) | 2016-12-21 |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105327474A (en) * | 2014-08-14 | 2016-02-17 | 张家港中集圣达因低温装备有限公司 | Low-temperature storage transportation container and ice-blockage-prevention system of fire barrier of low-temperature storage transportation container |
| CN105546325A (en) * | 2014-10-31 | 2016-05-04 | 宁波明欣化工机械有限责任公司 | Filling marine liquefied natural gas storage tank |
| CN105736932B (en) * | 2014-12-10 | 2018-10-23 | 张家港中集圣达因低温装备有限公司 | LNG tank peculiar to vessel |
| CN104596704B (en) * | 2015-03-02 | 2017-09-22 | 启东丰顺船舶重工有限公司 | A kind of LNG tank body test method |
| JP6585305B2 (en) * | 2016-01-12 | 2019-10-02 | エクセラレイト・リクェファクション・ソリューションズ・エルエルシー | Natural gas liquefaction ship |
| CN105715954A (en) * | 2016-04-01 | 2016-06-29 | 惠生（南通）重工有限公司 | SPB type LNG storage tank |
| CN107933297A (en) * | 2017-11-16 | 2018-04-20 | 芜湖勤惠科技有限公司 | Commercial car LNG gas cylinder frames |
| CN110131572A (en) * | 2019-05-15 | 2019-08-16 | 挪威极地航运公司 | A kind of list tank liquefied natural gas filling ship |
| CN110550177A (en) * | 2019-08-29 | 2019-12-10 | 南通中远海运川崎船舶工程有限公司 | Dual-fuel power multipurpose ship |
| CN113188033A (en) * | 2021-04-09 | 2021-07-30 | 新兴能源装备股份有限公司 | LNG low-temperature transportation tank car |
| CN113428292A (en) * | 2021-07-21 | 2021-09-24 | 上海外高桥造船有限公司 | Liquid tank supporting device and bulk cargo ship comprising same |
| CN113443076A (en) * | 2021-07-21 | 2021-09-28 | 上海外高桥造船有限公司 | Bulk cargo ship |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4038832A (en) * | 1975-09-08 | 1977-08-02 | Beatrice Foods Co. | Liquefied gas container of large capacity |
| FR2857347B1 (en) * | 2003-07-10 | 2005-09-16 | Doris Engineering | FLOATING TERMINAL FOR LOADING / UNLOADING SHIPS SUCH AS METHANIERS |
| KR100950249B1 (en) * | 2008-03-10 | 2010-03-31 | 삼성중공업 주식회사 | Fixing member positioning device and construction device for lng containment tank and method for construction using the same |
| CN201784970U (en) * | 2010-07-22 | 2011-04-06 | 无锡西埃尔斯机械有限公司 | Internal movable supporting plate locking device of container |
| CN202252834U (en) * | 2011-08-29 | 2012-05-30 | 成都华气厚普燃气成套设备有限公司 | Wharf boat LNG (liquefied natural gas) filling station |
| CN202320725U (en) * | 2011-11-13 | 2012-07-11 | 中国葛洲坝集团机械船舶有限公司 | Liquefied gas transportation ship |
| CN202834732U (en) * | 2012-09-24 | 2013-03-27 | 张家港中集圣达因低温装备有限公司 | Liquefied natural gas filling wharf boat |
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