CN202834732U - Liquefied natural gas filling wharf boat - Google Patents
Liquefied natural gas filling wharf boat Download PDFInfo
- Publication number
- CN202834732U CN202834732U CN 201220489461 CN201220489461U CN202834732U CN 202834732 U CN202834732 U CN 202834732U CN 201220489461 CN201220489461 CN 201220489461 CN 201220489461 U CN201220489461 U CN 201220489461U CN 202834732 U CN202834732 U CN 202834732U
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- storage tank
- natural gas
- liquefied natural
- lng storage
- gas filling
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- 238000003860 storage Methods 0.000 claims abstract description 111
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
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- 230000002787 reinforcement Effects 0.000 claims description 26
- 239000007789 gas Substances 0.000 claims description 15
- 239000011229 interlayer Substances 0.000 claims description 13
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- 238000010521 absorption reaction Methods 0.000 claims description 8
- 239000012071 phase Substances 0.000 claims description 7
- 239000007791 liquid phase Substances 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 5
- 239000003463 adsorbent Substances 0.000 claims description 4
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a liquefied natural gas filling wharf boat which comprises a boat body, at least an LNG storage tank arranged on the deck of the boat body and a liquefied natural gas filling system. The top liquid inlet pipe and the bottom liquid outlet pipe of the LNG storage tank are respectively connected with the liquefied natural gas filling system through pipelines. Saddles at the front and rear ends at the bottom of the LNG storage tank are locked and fixed with a reinforced support on the deck through high strength steel bolts or bolts. A connecting through hole on the saddle at the front end of the LNG storage tank is a long hole, so that the connecting through hole can move relative to the deck so as to suit the distance change of the deck between the front and rear saddles. According to the liquefied natural gas filling wharf boat provided by the utility model, the LNG storage tank is firmly installed on the deck and suits the special environment of operation at sea.
Description
Technical field
The utility model relates to a kind of landing stage, and is particularly a kind of for the liquefied natural gas filling landing stage.
Background technique
Along with the iterative method of inland navigation craft " oil the changes gas " projects such as " gasification the Changjiang river ", " the Changjiang river environlnental logistics Innovation project ", LNG Liquefied natural gas (LNG) becomes the first-selection of the following green energy resource of generally acknowledging in the industry gradually as the novel energy of a kind of economy, green, safety.
According to statistics, China has realized that the LNG of the ship types such as tugboat, Bulk carrier, pleasure-boat, fisheries administration ship reequips test at present.The domestic mature technology of having grasped engine modification.Yet inland navigation craft " oil changes gas " technology does not but slowly get along with, and waterborne vessel " aerating is difficult " becomes the bottleneck of industry development.In fact, LNG boats and ships filling problem is not only China and is promoted the difficult problem that the LNG boats and ships need to overcome, and all is a difficult problem that needs to be resolved hurrily in World LNG fuel is promoted.According to relevant expert's introduction, what external in this respect technology was relatively ripe at present is Finland, adopts " LNG storage and distribution station ", and integrated interlock is accomplished in storage, dispensing, logistics, carries out the ship-to-ship aerating.But China prohibites in the dykes and dams of inland river and builds gasholder station, so Finland's pattern is unsuitable for China from an institutional perspective.On the other hand, the annual big vast low water level drop in the inland rivers such as China the Changjiang river is larger, and LNG is the rock gas after liquefying, must adopt the cryogenic piping transportation, this pipeline belongs to hard tube, is difficult for extending with flexible, if build filling station on the bank, also there is certain difficulty aspect the pipeline connection.
In view of the above problems, notification number is that the Chinese utility model patent of CN20225284U discloses a kind of landing stage LNG gas station, the gas station integral installation is on the hull of landing stage, comprise installation above deck the LNG storage tank and add the loading system of natural gas injection for the LNG storage tank, loading system comprises the cryopump that LNG is provided transmitting power, the vacuum clack box that pipe-line system in the whole system and flow process are controlled, whole system is carried out the electric control equipment of electrical control, and the connection mouth that is used for external LNG tank car, supercharging liquid phase mouth, increase gas phase mouth, stop valve, pneumatic valve etc.During use, LNG in the LNG storage tank is through the liquid in-out mouth output of its LNG storage tank, open the pneumatic valve that is arranged on the pipeline by electric control equipment, under the effect of cryopump, LNG is delivered to the vacuum clack box through pipeline, be delivered to external tapping through mass flowmenter again, open at last the stop valve be arranged on the external tapping place to the ship LNG that annotates.When the LNG in the LNG storage tank reduces, external LNG tank car connection mouth, the supercharging liquid phase mouth that the LNG tank car can be by loading system, increase gas phase mouth to LNG storage tank filling LNG.Above-mentioned utility model patent discloses emphatically the structure of loading system, LNG storage tank installation and this body structure of LNG storage tank on the landing stage is not carried out particular design.Because environment waterborne is different from land; if will adopt on land fixed of LNG storage tank that the LNG storage tank is installed on the landing stage; because the landing stage floats on waterborne; can since the factors such as wave often rock and produce variety of issue, so aforesaid landing stage LNG gas station poor reliability of operation on the water.
The model utility content
The purpose of this utility model is to solve the on the water poor technical problem of operational reliability of existing landing stage LNG gas station.
For achieving the above object, the utility model adopts following technological scheme:
Liquefied natural gas filling of the present utility model landing stage comprises hull, is installed at least one LNG storage tank and liquefied natural gas filling system on the deck of described hull.Described LNG storage tank has top liquid inlet pipe and bottom liquid in-out pipe, and the mouth of pipe of the mouth of pipe of described top liquid inlet pipe and bottom liquid in-out pipe stretches out described LNG storage tank at the tail end of described LNG storage tank, and is connected with described liquefied natural gas filling system by pipeline separately.The front end of described LNG tank bottom and tail end are fixed respectively a saddle, wherein, be fixed with a reinforcement bearing corresponding to each described location of saddle support on the described deck, described saddle and described reinforcement bearing are respectively equipped with connecting through hole, pass connecting through hole on described saddle and the described reinforcement bearing by high-strength steel double-screw bolt or bolt, by nut described saddle and described reinforcement bearing are locked again.Described connecting through hole on the saddle of described LNG storage tank tail end and the reinforcement bearing that is attached thereto all is circular holes; Described connecting through hole on the saddle of described LNG storage tank front end is slotted hole, and the length direction of described slotted hole is consistent with the length direction of described LNG storage tank, to adapt to the variable in distance of described deck between former and later two saddles.
According to a mode of execution of the present utility model, be slotted hole with connecting through hole on the strong bearing that the saddle of described LNG storage tank front end is connected, and the length direction of described slotted hole is consistent with the length direction of described LNG storage tank.
According to a mode of execution of the present utility model, be folded with heat insulation tie-plate between described saddle and the described reinforcement bearing.
According to a mode of execution of the present utility model, described liquefied natural gas filling landing stage also comprises to be fixed on the described deck or to be fixed on the described reinforcement bearing and to be positioned at two limit stoper of the arranged on left and right sides of described saddle, and two described limit stoper are supported respectively left side and the right side of described saddle.
According to a mode of execution of the present utility model, described saddle both sides are provided with boom hoisting.
According to a mode of execution of the present utility model, be provided with the cofferdam around described LNG storage tank and liquefied natural gas filling system on the described deck, be provided with the deck protective layer in the zone of described cofferdam sealing.
According to a mode of execution of the present utility model, the top of described LNG storage tank and liquefied natural gas filling system is provided with covers ceiling.
According to a mode of execution of the present utility model, the top of described LNG storage tank and liquefied natural gas filling system is provided with spray equipment.
According to a mode of execution of the present utility model, described liquefied natural gas filling landing stage also comprises the drip tray of being located at described LNG storage tank tail end below.
According to a mode of execution of the present utility model, the number of described LNG storage tank is two of layout parallel to each other, and the mouth of pipe of the mouth of pipe of the top liquid inlet pipe of two described LNG storage tanks, bottom liquid in-out pipe is arranged symmetrically with at left and right directions.
According to a mode of execution of the present utility model, described LNG storage tank comprises outer cylinder body, passes through the inner container of at least two support construction supports in described outer cylinder body, form interlayer between described outer cylinder body and the described inner container, the top of described outer cylinder body and bottom are respectively equipped with the back-up sand mouth, be used for filling pearlife to form heat insulation layer in described interlayer, described outer cylinder body top inner wall lays respectively at interior applying of angular ranges of spending between the angles 60 of peak both sides and lays fixing glass cellucotton carpet veneer.
According to a mode of execution of the present utility model, described supporting structure is the epoxy glass steel pipe, and the supporting structure of being located at described LNG storage tank tail end is with inner container with outer cylinder body and is fixedly connected with, for being fixedly connected with, and be slideable the connection between the inner container between the supporting structure of being located at described LNG storage tank front end and the outer cylinder body.
According to a mode of execution of the present utility model, described glass fibre cotton carpet veneer has the back-up sand hole in the position corresponding to described back-up sand mouth.
According to a mode of execution of the present utility model, the inwall of described outer cylinder body is fixed with a plurality of urceolus stiffening rings, and described a plurality of urceolus stiffening rings are arranged between described inner container and the described outer cylinder body, and along the axial distribution of described LNG storage tank.
According to a mode of execution of the present utility model, be provided with vertically at least one group of anti-device that swings in the described inner container, every group of anti-device that swings comprises at least one block of anti-plate that swings.
According to a mode of execution of the present utility model, the interior left end socket top of described inner container is provided with the technique manhole, and the bottom is provided with at least one cryogenic absorption chamber, in the described technique manhole and the indoor low temperature adsorbent that is filled with of cryogenic absorption.
According to a mode of execution of the present utility model, described LNG storage tank is equipped with the level meter pressure gauge, the manometric gas phase adapter of described level meter and liquid phase are taken over and are equipped with the teletransmission interface, by this interface Bonding pressure transmitter, differential pressure transmitter, convert pressure, the level readings value of described LNG storage tank to electric signal transmission to the control unit on described liquefied natural gas filling landing stage, described LNG tank inner pressure, liquid level are carried out Real Time Monitoring, and realize that high low pressure is reported to the police, two position is reported to the police or abnormal conditions are reported to the police.
As shown from the above technical solution, advantage and the good effect on liquefied natural gas filling of the present utility model landing stage are: liquefied natural gas filling of the present utility model landing stage, the deck is provided with for the reinforcement bearing that the LNG storage tank is installed, the saddle of LNG storage tank with strengthen bearing and be connected by high-strength steel double-screw bolt or bolt, fastening nuts, join strength is high, therefore fixing very firm on the deck, landing stage of LNG storage tank.And, because being used for wearing the connecting through hole of double-screw bolt or bolt on the saddle of LNG storage tank tail end is circular hole, therefore LNG storage tank tail end is fixedly connected on the deck, landing stage, again because to be used for wearing the connecting through hole of double-screw bolt or bolt on the saddle of LNG storage tank front end be slotted hole, therefore LNG storage tank front end can be connected on the deck, landing stage movably forward and backward, the distance that can move forward and backward is substantially equal to the length of slotted hole.When the deck owing to expanding with heat and contract with cold or the factor such as distortion causes and distance between former and later two saddles when changing, between LNG storage tank and deck, can not produce extra active force, therefore in the utility model, LNG storage tank mounting type above deck can adapt to this specific environment of operation at sea.
Description of drawings
Fig. 1 is the perspective view on liquefied natural gas filling of the present utility model landing stage;
Fig. 2 is the side view on liquefied natural gas filling of the present utility model landing stage, and expression is provided with the structure of covering ceiling and cofferdam;
Fig. 3 is the partial sectional view of the LNG storage tank in the liquefied natural gas filling of the present utility model landing stage;
Fig. 4 is the sectional view of doing along the A-A line among Fig. 3;
Fig. 5 is the right elevation of Fig. 3;
Fig. 6 represents saddle in the liquefied natural gas filling of the present utility model landing stage and strengthens the partial enlarged drawing of annexation between the bearing;
Fig. 7 represents saddle in the liquefied natural gas filling of the present utility model landing stage and strengthens the partial sectional view of annexation between the bearing, wherein is provided with heat insulation tie-plate;
Fig. 8 is the sectional view of the inner container of the LNG storage tank in the liquefied natural gas filling of the present utility model landing stage, the anti-structure of swinging plate of expression.
Embodiment
As shown in Figure 1, liquefied natural gas filling of the present utility model landing stage comprises hull 100, is installed on two LNG storage tanks 101 on the deck 103 of hull 100,102 and be installed on liquefied natural gas filling system 107 on the deck 103.By liquefied natural gas filling system 107, can add natural gas injection or add natural gas injection to other ship to LNG storage tank 101,102, the liquefied natural gas filling system can adopt existing structure.The number of LNG storage tank is not limited to two, also can only have 1, perhaps has 3,4 even more.
As shown in Figure 2; in the mode of execution of the present utility model; on the deck 103 around LNG storage tank 101,102 and liquefied natural gas filling system 107 positions be provided with reentrant part; be provided with the cofferdam 400 that cement or concrete are made in the reentrant part; be provided with the deck protective layer 410 of cement production systD in the zone of cofferdam 400 sealings; leak in case LNG occurs, deck protective layer 410 can prevent effectively that deck 103 from directly contacting deep cooling LNG and embrittlement occurs, and then jeopardizes the whole piece landing stage.In another mode of execution of the present utility model, also comprise be located at LNG storage tank 101,102 and liquefied natural gas filling system 107 tops cover ceiling 500, covering ceiling 500 can be supported by 4 root posts 510, cover ceiling 500 be used for to LNG storage tank 101,102 and liquefied natural gas filling system 107 cover wind and rain, keep the sun off.Further, spray equipment 600 is installed covering ceiling 500, spray equipment 600 is used for preventing that the large size under the fire situation from spreading, avoids flame directly the LNG storage tank heat to be blasted.
Such as Fig. 1, Fig. 6 and shown in Figure 7, the front end of LNG storage tank 101,102 bottoms and tail end are welded and fixed respectively a saddle 104.Be fixed with 105,4 reinforcement bearings 105 of 4 reinforcement bearings on the deck 103 corresponding with saddle 104 positions of two LNG storage tanks 101,102 front ends and tail end respectively.Saddle 104 comprise base plate, curved roof and be fixed in base plate and curved roof between some supporting vertical plate, wherein curved roof is fixed in LNG storage tank lower external face.Saddle 104 also can adopt existing other structure.Two reinforcement bearings 105 that are positioned at front end can be structure as a whole, and two reinforcement bearings 105 that are positioned at tail end also can be structure as a whole.Reinforcement bearing 105 comprises the some supporting vertical plate between base plate, top board and fixing bottom-plate and the top board, and base plate is fixed in deck 103, strengthens the top board of bearing 105 and the base plate of saddle 104 and fits.Be respectively equipped with connecting through hole at the top board of strengthening bearing 105 and the base plate of saddle 104, pass for high-strength steel (generally selecting 35CrMoA) double-screw bolt 200, by two nuts 210 saddle 104 and reinforcement bearing 105 are locked again.In addition, strengthen bearing 105 both sides or 103 both sides, deck and be fixed with respectively a limit stoper, limiting stopper for example, two limiting stoppers are supported respectively left side and the right side of saddle 104, to prevent the landing stage under the rolling operating mode, produce slippage between saddle 104 and the reinforcement bearing 105, effectively reduce the shearing force that double-screw bolt is subject to, guarantee that the LNG storage tank installs reliably above deck, and then guarantee the safe handling of LNG storage tank.Further, can also and strengthen sandwiched heat insulation tie-plate 108 between the bearing 105 at saddle 104.In case the LNG storage tank leaks, heat insulation tie-plate 108 is used for preventing that the ultralow temperature that cryogenic liquid is brought is directly passed to reinforcement bearing 105 by saddle 104 immediately, strengthens bearing and whole LNG storage tank thereby damage.
As shown in Figure 3 and Figure 4, connecting through hole on the saddle 104 of LNG storage tank 101 tail ends is circular hole 1041, also be circular hole corresponding to the connecting through hole on the reinforcement bearing 105 of this saddle 104, like this when in these two circular holes, wearing double-screw bolt, do not have amount of movement between this saddle 104 and the reinforcement bearing 105, thereby LNG storage tank 101 tail ends can not be moved corresponding to deck 103.Connecting through hole on the saddle 104 of LNG storage tank 101 front ends is slotted hole 1042, and the length direction of slotted hole 1042 is consistent with the length direction of LNG storage tank 101, like this when in this slotted hole, wearing Stud connection saddle 104 and strengthening bearing 105, strengthen bearing 105 with respect to saddle 104 removable certain distances, be that deck 103 has certain amount of movement with respect to LNG storage tank 101 front ends, when deck 103 because expanding with heat and contract with cold or the factor such as distortion causes front, during variable in distance between latter two saddle, can and not strengthen at saddle producing additional load between the bearing, thereby can not destroy LNG storage tank installation soundness above deck, can effectively reduce the impact that the LNG storage tank is brought because of the rolling dynamic load simultaneously.To strengthen bearing 105 with respect to the displacement distance of saddle 104 in order further increasing, the connecting through hole on the reinforcement bearing 105 of front end also can be designed to slotted hole, and the vertical consistency of the length direction of slotted hole and LNG storage tank.
As shown in Figure 5, in the mode of execution of the present utility model, saddle 104 both sides are fixed with boom hoisting 127, such as hanger, suspender belt ring etc.Consider the use condition of LNG storage tank reality, large volume is kind of a trend, for maximization equipment, from reliability and the safety perspective analysis of lifting, compares boom hoisting is set on the LNG storage tank, and it is more reasonable that boom hoisting is arranged on the saddle 104.In the utility model, boom hoisting 127 is located at saddle 104 both sides, has guaranteed reliability and the Security of lifting.
Such as Fig. 3, Fig. 5 and shown in Figure 6, the LNG storage tank 101 in the utility model mainly comprises outer cylinder body 109 and a concentric inner container 110.The material of outer cylinder body 109 can be structural carbon steel Q345R, and the material of inner container 110 can be Austenitic Stainless Steel S30408.Outer cylinder body 109 comprises central cylindrical shell and is fixedly welded on respectively outer left end socket and the outer right end socket at central cylindrical shell two ends.Inner container 110 comprises central cylindrical shell and is fixedly welded on respectively interior left end socket and the interior right end socket at central cylindrical shell two ends.Form interlayer between outer cylinder body 109 and the inner container 110, outer cylinder body 109 tops and bottom have several back-up sand holes, are convenient to fill the pearlife 111 that is used for insulation in interlayer, to form heat insulation layer.
The inwall of outer cylinder body 109 is welded with some circle angle steel 114, and some circle angle steel 114 are arranged between inner container 110 and the outer cylinder body 109, and along the axial distribution of LNG storage tank.Angle steel 114 is used for strengthening the Rigidity and strength of outer cylinder body 109, prevents that outer cylinder body 109 from producing stability and losing efficacy.
Be positioned at the fixedly cotton carpet veneer 112 of ultra-fine fibre glass of excellent heat insulating performance of the 60 ° of scopes in peak both sides in outer cylinder body 109 top inner wall (being close to inwall), it can prevent effectively that the LNG storage tank from affecting the insulation effect of LNG storage tank owing to pearlife appearance sedimentation to a certain degree in long-term the use, guarantee its cryogenic property.The cotton carpet veneer 112 of ultra-fine fibre glass has the back-up sand hole in the position corresponding to the back-up sand mouth.
The highest point of outer cylinder body 109 and lowest part are symmetrically arranged with the filling mouth of several pearlifes 111, lowest part is the main mouth of filling, highest point is filling mouth for subsequent use, first back-up sand is inserted by the main mouth of filling, so that the cotton carpet veneer 112 of the ultra-fine fibre glass of top layout is by pearlife 111 compactings, play best insulation effect, filling confession for subsequent use is reprocessed back-up sand in the future and is used.Be provided with vacuum orifice 113 at outer cylinder body 109, utilization vacuumizes unit the interlayer that fills up pearlife 111 between inner container 110 and the outer cylinder body 109 is vacuumized, this measure can drop to the heat that passes to inner container 110 by approach such as convection current and radiation by outer cylinder body 109 minimum as far as possible, thereby keeps the cryogenic liquide normal operation in the LNG storage tank.
As shown in Figure 8, be fixed with vertically at least one group of anti-device that swings in the inner container 110, every group anti-swings device and comprises that at least one is anti-ly swung plate 130, comprises the anti-plate 130 that swings that two block gaps are arranged among this embodiment.Anti-swing plate 130 can effectively prevent the landing stage in rolling, pitching, hang down and swing etc. under all multi-operating modes, cryogenic liquide rolling punching in the LNG storage tank and the rapid situation of supercharging, the anti-spacing of swinging between the device of two adjacent groups arranges generally should not be above 4 meters.The anti-plate 130 that swings is welded and fixed with the stiffening ring 129 that is arranged on inner container 110 inwalls.Prevent that swinging plate 130 is preferably the employing integral forming structure, stressed more even, avoid occurring in the using process stress concentrations, produce the local fatigue breakoff phenomenon.
As shown in Figure 3, inner container 110 interior left end sockets 117 tops are provided with technique manhole 118, and operator can enter inner container 110 by technique manhole 118 and carry out operation (comprising internal cleaning, in the future maintenance etc.).Inner container 110 interior left end sockets 117 bottoms are provided with two cryogenic absorption chambers 120, are filled with low temperature adsorbent in technique manhole 118 and cryogenic absorption chamber 120.The cryogenic absorption chamber 120 that arranges in the bottom, so that low temperature adsorbent can be in the Low Temperature Liquid side for a long time, farthest bring into play its adsorption performance, more effectively adsorb the large molecular gas in the interlayer, the vacuum that keeps better interlayer is guaranteed the cryogenic property of storage tank.
For guaranteeing tank body energy stability and safety ground storing cryogenic fluids, be provided with maltilevel security device and instrument on the outer cylinder body 109: configuration level meter pressure gauge group 124(is provided with remote transmission device simultaneously), interlayer is provided with urceolus flameproof apparatus 119, and inner core is provided with combination safety system valve 125 etc.LNG storage tank root all is provided with stop valve 126, in case loading system 107 breaks down, optionally closes stop valve 126 and carries out service work.The gas phase adapter of level meter pressure gauge group 124 and liquid phase are taken over and are equipped with the teletransmission interface, by this interface Bonding pressure transmitter, differential pressure transmitter, can convert pressure, the level readings value of storage tank to electric signal transmission to the control unit of loading system, LNG tank inner pressure, liquid level are carried out Real Time Monitoring, thereby realize that high low pressure is reported to the police, two position is reported to the police and other abnormal conditions are reported to the police, guarantee the normal operation on landing stage, the safe handling of LNG storage tank.That installs on the outer cylinder body 109 has various valves, is connected to by pipeline and realizes loading and unloading low temperature LNG liquid and other functions on the loading system 107.The front of operated valve and instrument disposition right end socket 121 outside the storage tank afterbody, over against loading system 107, pipeline and valve are neat and orderly, and convenient operation is safeguarded.Be provided with stainless steel drip tray 106(under operated valve and the instrument and see Fig. 1), to prevent very not having the LNG of seepage that cold damage was caused on the deck 103 of hull 100 in the operating process.In addition, all blowdown pipings all need be concentrated and converge, and are emptying via flame trap again after the heating of 107 EAG heater in loading system, guarantee safety.
In the utility model, the actual volume of LNG storage tank reaches 100m
3~ 700m
3, the scope of working pressure is 1.0MPa ~ 1.2MPa, can satisfy the requirement to inland river diesel-LNG double fuel mixed power or the aerating of LNG single-fuel powered ship, a 500m
3LNG filling landing stage full load condition once approximately can be 30 boats and ships aeratings.The utility model is to build up unimpeded, efficient, safety, green modernized inland river water transport system, realizes that inland river water transport Green Development target provides condition, meets the energy development strategy that national development low-carbon green economy, energy-saving and emission-reduction realize sustainable development.
Although described the utility model with reference to several exemplary embodiments, should be appreciated that used term is explanation and exemplary and nonrestrictive term.Because the utility model is implementation and do not break away from spirit or the essence of model utility in a variety of forms, so be to be understood that, above-described embodiment is not limited to any aforesaid details, and should be in the spirit and scope that the claim of enclosing limits explain widely, therefore fall into whole variations in claim or its equivalent scope and remodeling and all should be the claim of enclosing and contain.
Claims (17)
1. liquefied natural gas filling landing stage, comprise hull, be installed at least one LNG storage tank and liquefied natural gas filling system on the deck of described hull, described LNG storage tank has top liquid inlet pipe and bottom liquid in-out pipe, the mouth of pipe of the mouth of pipe of described top liquid inlet pipe and bottom liquid in-out pipe stretches out described LNG storage tank at the tail end of described LNG storage tank, and be connected with described liquefied natural gas filling system by pipeline separately, the front end of described LNG tank bottom and tail end are fixed respectively a saddle, it is characterized in that, be fixed with a reinforcement bearing corresponding to each described location of saddle support on the described deck, described saddle and described reinforcement bearing are respectively equipped with connecting through hole, pass connecting through hole on described saddle and the described reinforcement bearing by high-strength steel double-screw bolt or bolt, by nut described saddle and described reinforcement bearing are locked, the described connecting through hole on the saddle of wherein said LNG storage tank tail end and the reinforcement bearing that is attached thereto all is circular holes again; Described connecting through hole on the saddle of described LNG storage tank front end is slotted hole, and the length direction of described slotted hole is consistent with the length direction of described LNG storage tank, to adapt to the variable in distance of described deck between former and later two saddles.
2. liquefied natural gas filling as claimed in claim 1 landing stage is characterized in that, be slotted hole with connecting through hole on the strong bearing that the saddle of described LNG storage tank front end is connected, and the length direction of described slotted hole is consistent with the length direction of described LNG storage tank.
3. liquefied natural gas filling as claimed in claim 1 landing stage is characterized in that, is folded with heat insulation tie-plate between described saddle and the described reinforcement bearing.
4. liquefied natural gas filling as claimed in claim 1 landing stage, it is characterized in that, described liquefied natural gas filling landing stage also comprises to be fixed on the described deck or to be fixed on the described reinforcement bearing and to be positioned at two limit stoper of the arranged on left and right sides of described saddle, and two described limit stoper are supported respectively left side and the right side of described saddle.
5. liquefied natural gas filling as claimed in claim 1 landing stage is characterized in that, described saddle both sides are provided with boom hoisting.
6. liquefied natural gas filling as claimed in claim 1 landing stage is characterized in that, is provided with the cofferdam around described LNG storage tank and liquefied natural gas filling system on the described deck, is provided with the deck protective layer in the zone of described cofferdam sealing.
7. liquefied natural gas filling as claimed in claim 1 landing stage is characterized in that, the top of described LNG storage tank and liquefied natural gas filling system is provided with covers ceiling.
8. liquefied natural gas filling as claimed in claim 1 landing stage is characterized in that, the top of described LNG storage tank and liquefied natural gas filling system is provided with spray equipment.
9. liquefied natural gas filling as claimed in claim 1 landing stage is characterized in that, described liquefied natural gas filling landing stage also comprises the drip tray of being located at described LNG storage tank tail end below.
10. liquefied natural gas filling as claimed in claim 1 landing stage, it is characterized in that, the number of described LNG storage tank is two of layout parallel to each other, and the mouth of pipe of the mouth of pipe of the top liquid inlet pipe of two described LNG storage tanks, bottom liquid in-out pipe is arranged symmetrically with at left and right directions.
11. liquefied natural gas filling as claimed in claim 1 landing stage, it is characterized in that, described LNG storage tank comprises outer cylinder body, passes through the inner container of at least two support construction supports in described outer cylinder body, form interlayer between described outer cylinder body and the described inner container, the top of described outer cylinder body and bottom are respectively equipped with the back-up sand mouth, be used for filling pearlife to form heat insulation layer in described interlayer, described outer cylinder body top inner wall lays respectively at interior applying of angular ranges of spending between the angles 60 of peak both sides and lays fixing glass cellucotton carpet veneer.
12. liquefied natural gas filling as claimed in claim 11 landing stage, it is characterized in that, described supporting structure is the epoxy glass steel pipe, and the supporting structure of being located at described LNG storage tank tail end is with inner container with outer cylinder body and is fixedly connected with, for being fixedly connected with, and be slideable the connection between the inner container between the supporting structure of being located at described LNG storage tank front end and the outer cylinder body.
13. liquefied natural gas filling as claimed in claim 11 landing stage is characterized in that, described glass fibre cotton carpet veneer has the back-up sand hole in the position corresponding to described back-up sand mouth.
14. liquefied natural gas filling as claimed in claim 11 landing stage, it is characterized in that, the inwall of described outer cylinder body is fixed with a plurality of urceolus stiffening rings, and described a plurality of urceolus stiffening rings are arranged between described inner container and the described outer cylinder body, and along the axial distribution of described LNG storage tank.
15. liquefied natural gas filling as claimed in claim 11 landing stage is characterized in that, is provided with vertically at least one group of anti-device that swings in the described inner container, every group of anti-device that swings comprises at least one block of anti-plate that swings.
16. liquefied natural gas filling as claimed in claim 11 landing stage, it is characterized in that, the interior left end socket top of described inner container is provided with the technique manhole, and the bottom is provided with at least one cryogenic absorption chamber, in the described technique manhole and the indoor low temperature adsorbent that is filled with of cryogenic absorption.
17. each described liquefied natural gas filling landing stage such as claim 11-16, it is characterized in that, described LNG storage tank is equipped with the level meter pressure gauge, the manometric gas phase adapter of described level meter and liquid phase are taken over and are equipped with the teletransmission interface, by this interface Bonding pressure transmitter, differential pressure transmitter, pressure with described LNG storage tank, the level readings value converts electric signal transmission to the control unit on described liquefied natural gas filling landing stage, to described LNG tank inner pressure, liquid level is carried out Real Time Monitoring, and realizes the high low pressure warning, two position is reported to the police or abnormal conditions are reported to the police.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220489461 CN202834732U (en) | 2012-09-24 | 2012-09-24 | Liquefied natural gas filling wharf boat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220489461 CN202834732U (en) | 2012-09-24 | 2012-09-24 | Liquefied natural gas filling wharf boat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202834732U true CN202834732U (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220489461 Expired - Lifetime CN202834732U (en) | 2012-09-24 | 2012-09-24 | Liquefied natural gas filling wharf boat |
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| Country | Link |
|---|---|
| CN (1) | CN202834732U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615658A (en) * | 2013-11-22 | 2014-03-05 | 江苏现代造船技术有限公司 | Natural gas filling device for LNG (Liquefied Natural Gas) power ship |
| CN103672392A (en) * | 2012-09-24 | 2014-03-26 | 张家港中集圣达因低温装备有限公司 | Barge for filling liquefied natural gas |
| CN103791235A (en) * | 2014-02-19 | 2014-05-14 | 中船圣汇装备有限公司 | Marine LNG (Liquefied Natural Gas) storage tank system |
| CN112320121A (en) * | 2019-08-05 | 2021-02-05 | 张家港中集圣达因低温装备有限公司 | Marine storage tank |
-
2012
- 2012-09-24 CN CN 201220489461 patent/CN202834732U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103672392A (en) * | 2012-09-24 | 2014-03-26 | 张家港中集圣达因低温装备有限公司 | Barge for filling liquefied natural gas |
| CN103615658A (en) * | 2013-11-22 | 2014-03-05 | 江苏现代造船技术有限公司 | Natural gas filling device for LNG (Liquefied Natural Gas) power ship |
| CN103791235A (en) * | 2014-02-19 | 2014-05-14 | 中船圣汇装备有限公司 | Marine LNG (Liquefied Natural Gas) storage tank system |
| CN112320121A (en) * | 2019-08-05 | 2021-02-05 | 张家港中集圣达因低温装备有限公司 | Marine storage tank |
| CN112320121B (en) * | 2019-08-05 | 2022-04-19 | 张家港中集圣达因低温装备有限公司 | Marine storage tank |
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