CN110274154B - Marine LNG gas station - Google Patents

Abstract

The invention discloses a marine LNG gas station, which comprises a filling pipe, a turnover table and a water collecting table, wherein the turnover table is rotatably connected with a deck, the filling pipe is arranged on the turnover table, the water collecting table is arranged on the deck, a liquid discharge port and a guide plate are arranged on the side surface of the turnover table, the guide plate is positioned between the turnover table and the water collecting table, when LNG energy is filled, generated low-temperature liquid flows to the water collecting table, the low-temperature liquid is guided to be discharged from the liquid discharge port through the guide plate, a hull structure is protected from the influence of the low-temperature liquid, an anti-freezing function is realized, the turnover table is utilized to realize free switching between an expansion state and a storage state, when the LNG energy is required to be filled, the turnover table is turned over to the outboard side, the expansion of a working space of the gas station is realized, and after the filling is finished, and turning back the turning table for storage.

Description

Marine LNG gas station

Technical Field

The invention relates to the technical field of ship construction, in particular to a marine LNG filling station.

Background

LNG is a flammable ultralow temperature liquid, can be used as the power energy of LNG energy ships, when the ships lack energy, corresponding energy needs to be supplied through a gas station, the LNG belongs to low-temperature (-163 ℃), flammable and explosive fuel, and as the LNG gas station, the problems of freezing prevention and explosion prevention need to be fully considered, so the requirements on the design and installation of the structure are very high.

The existing LNG gas station is arranged on two sides of a deck, for a large container ship, the space of a channel in a cargo hold area is narrow, the space width of the deck surface of the whole side is only 1m, the local space of a filling position is even less than 900mm, the height space is only 2500mm, and the LNG gas station is positioned at the position of a main channel of the deck.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides a marine LNG filling station which can protect a ship body structure from being influenced by low-temperature liquid, can be freely switched between an expansion state and a storage state, and has the advantages of compact structure and small occupied space.

In order to solve the technical problem, the invention provides a marine LNG gas station, which comprises a filling pipe, a turnover table and a water collecting table, wherein the turnover table is rotatably connected with a deck, the filling pipe is arranged on the turnover table, the water collecting table is arranged on the deck, a liquid discharge port and a guide plate for guiding low-temperature liquid to flow to the liquid discharge port are arranged on the side surface of the turnover table, and the guide plate is positioned between the turnover table and the water collecting table.

Preferably, the device further comprises a lifting device for lifting the filling pipe to the overturning platform.

Preferably, the lifting device comprises a rotating suspension arm and a fixed suspension arm, the rotating suspension arm is positioned on one side of the overturning platform, and the fixed suspension arm is positioned on the other side of the overturning platform.

As the preferred scheme, the water collecting platform comprises a base and a water collecting plate arranged on the base, the base is arranged on the deck, and the water collecting plate is flush with the top surface of the overturning platform.

Preferably, the ship body overturning platform further comprises a spraying pipe arranged on the bottom surface of the overturning platform, and the spraying pipe is provided with a water outlet facing the direction of the ship body outer plate.

As a preferred scheme, a detachable mounting frame for fixing the filling pipe is arranged on the overturning platform.

Preferably, the mounting frame comprises a base and side plates arranged on two sides of the base, and the upper surface of the base is an arc surface.

As the preferred scheme, a fixed structure connected with the base is arranged between the overturning tables.

Preferably, the fixing structure comprises a positioning bolt and an eyelet bolt which are arranged on the overturning platform, and the base is provided with a notch for connecting the positioning bolt and an ear plate for connecting the eyelet bolt.

As the preferred scheme, the overturning platform is provided with a detachable railing frame.

Compared with the prior art, the marine LNG filling station provided by the invention has the beneficial effects that: when carrying out the LNG energy filling, the cryogenic liquids flow direction of production catchment platform, through guide plate guide cryogenic liquids follows the liquid discharge port is discharged, and protection hull structure does not receive cryogenic liquids's influence, realizes preventing frostbite the function, utilizes the roll-over table realizes freely switching at the expansion state with the state of accomodating, when needs carry out the LNG energy filling, will the roll-over table turns over toward the outboard side, has realized the extension of gas station working space, and after the filling is accomplished, will the roll-over table is turned over backward and is accomodate, only occupies a small part deck space, satisfies conventional passageway requirement, compact structure, and occupation space is little.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of a marine LNG refueling station according to a preferred embodiment of the present invention.

Fig. 2 is a schematic view of the structure at a-a in fig. 1.

Fig. 3 is a schematic structural view at B-B in fig. 1.

Fig. 4 is a schematic flow diagram of cryogenic liquid in a marine LNG refueling station according to a preferred embodiment of the present invention.

Fig. 5 is a schematic structural view of a turn-over platform of a marine LNG refueling station according to a preferred embodiment of the present invention.

Fig. 6 is a schematic diagram illustrating an expansion state of the turn-over platform of the LNG refueling station for a ship according to the preferred embodiment of the present invention.

Fig. 7 is a schematic view illustrating a receiving state of the turn-over platform of the LNG refueling station for a ship according to the preferred embodiment of the present invention.

Fig. 8 is a drawing direction diagram of a pulling rope of the LNG refueling station for a ship according to the preferred embodiment of the present invention.

Fig. 9 is a schematic structural view of a mounting frame of a marine LNG refueling station according to a preferred embodiment of the present invention.

Fig. 10 is a schematic view of the structure at C-C in fig. 9.

Fig. 11 is a schematic view of the structure in the direction D in fig. 9.

Fig. 12 is an enlarged view of the structure at F in fig. 11.

Fig. 13 is a schematic view of the structure in the direction E in fig. 9.

Fig. 14 is an enlarged view of the structure at G in fig. 13.

In the figure: 1. a deck; 2. a turning table; 201. a baffle; 202. a liquid discharge port; 3. a filling pipe; 4. a water collection platform; 401. a base; 402. a water collection plate; 5. a first upright post; 6. a second upright post; 7. a pulling rope; 8. a rope retracting device; 9. a first fixed pulley; 10. a second fixed pulley; 11. a first movable pulley; 12. a first diverting pulley; 13. a second movable pulley; 14. a second diverting pulley; 15. rotating the suspension arm; 16. fixing the suspension arm; 17. a shower pipe; 18. a mounting frame; 1801. a base; 1802. a side plate; 1803. a notch; 1804. an ear plate; 19. positioning the bolt; 20. an eye bolt; 21. a first safety lever; 22. a second bumper; 23. a railing frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "fixed," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Furthermore, in the description of the present invention, it should be noted that the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 to 14, a preferred embodiment of the present invention provides a marine LNG refueling station, which includes a filling pipe 3, a turning platform 2, and a water collecting platform 4, wherein the turning platform 2 is rotatably connected to a deck 1, the filling pipe 3 is disposed on the turning platform 2, the water collecting platform 4 is disposed on the deck 1, a liquid outlet 202 and a baffle 201 for guiding cryogenic liquid to flow to the liquid outlet 202 are disposed on a side surface of the turning platform 2, and the baffle 201 is located between the turning platform 2 and the water collecting platform 4.

Based on marine LNG gas station of above-mentioned technical characteristic, when carrying out LNG energy filling, the cryogenic liquids flow direction of production catchment platform 4, through guide plate 201 guide cryogenic liquids follow liquid discharge port 202 is discharged, protects hull structure and does not receive cryogenic liquids's influence, realizes the function of preventing frostbite, utilizes upset platform 2 realizes freely switching at the expanded condition with the state of accomodating, when needs carry out LNG energy filling, will upset platform 2 is turned over toward outboard side, has realized the extension of gas station working space, and after the filling completion, will upset platform 2 is turned over backward and is accomodate, only occupies a small part deck 1 space, satisfies conventional passageway requirement, compact structure, and occupation space is little.

In this embodiment, as shown in fig. 5 to 8, the LNG refueling station further includes a first column 5, a second column 6 and a pulley mechanism, the roll-over stand 2 is rotatably connected to the deck 1, the first column 5 and the second column 6 are disposed on the deck 1, the pulley mechanism includes a pulling rope 7 and a rope retracting device 8, a first pulley assembly disposed on the first column 5, a second pulley assembly disposed on the second column 6, and a reversing pulley assembly disposed on the roll-over stand 2, one end of the pulling rope 7 is connected to the rope retracting device 8, the other end of the pulling rope 7 is a fixed end, and the pulling rope 7 sequentially bypasses the first pulley assembly, the reversing pulley assembly, and the second pulley assembly.

Through it is right to receive rope device 8 the operation of receive and release is carried out to the tractive line 7, realizes the accomodating and the extension of roll-over table 2, wherein, first loose pulley assembly with second loose pulley assembly is used for changing the direction of pulling force, through switching-over loose pulley assembly will the tractive direction of tractive line 7 is followed one side of roll-over table 2 turns to the opposite side, realizes unilateral operation and just can steadily drive roll-over table 2 rotates, easy operation can be by single manual operation, can with roll-over table 2 is accomodate and is fixed on first stand 5 and the second stand 6, and occupation space is little.

In this embodiment, the first pulley assembly includes at least one first fixed pulley 9, the second pulley assembly includes at least one second fixed pulley 10, realizes changing the pulling force direction of the pulling rope 7, the switching pulley assembly includes first movable pulley 11, first switching pulley 12 that locate one side of the roll-over table 2 and second movable pulley 13, second switching pulley 14 that locate the other side of the roll-over table 2, the pulling rope 7 walks around in proper order first fixed pulley 9, first movable pulley 11, first switching pulley 12, second switching pulley 14, second movable pulley 13 and second fixed pulley 10, realize with the pulling direction of the pulling rope 7 follows one side of the roll-over table 2 turns to the other side to reach laborsaving mesh.

Furthermore, the first movable pulley 11 is arranged on one side surface of the overturning platform 2, the second movable pulley 13 is arranged on the other side surface of the overturning platform 2, and the first reversing pulley 12 and the second reversing pulley 14 are arranged on the bottom surface of the overturning platform 2, wherein the plane where the first movable pulley 11 is located is perpendicular to the plane where the first reversing pulley 12 is located, and the first reversing pulley 12 is tangent to the traction rope 7 on the plane where the first movable pulley 11 is located, so that the traction rope 7 is smoothly switched from the first movable pulley 11 to the first reversing pulley 12; the plane that the second movable pulley 13 is located with the plane that second switching-over pulley 14 is located is mutually perpendicular, second switching-over pulley 14 with be in the drawing rope 7 on the plane that second movable pulley 13 is located is tangent, is convenient for drawing rope 7 follows on second switching-over pulley 14 steadily switches to second movable pulley 13, avoids it to cause drawing rope 7 drops, realizes the change of the drawing direction of drawing rope 7.

In this embodiment, the rope winding device 8 includes a manual winch, and since the LNG filling area has an explosion-proof requirement, the equipment of the gas station is manually operated, and the rotating mechanism and accessories of the manual winch and other devices are designed in a sparkless structure and are provided with a ground wire for connection, so as to prevent the generation of static electricity.

In this embodiment, as shown in fig. 1 and fig. 2, the LNG gas station further includes a hoisting device for hoisting the filling pipe 3 to the overturning platform 2, and when LNG energy filling is required, the filling pipe 3 is hoisted to the overturning platform 2 through the hoisting device for installation, specifically, the hoisting device includes a rotating boom 15 and a fixed boom 16, the rotating boom 15 is located on one side of the overturning platform 2, the fixed boom 16 is located on the other side of the overturning platform 2, the rotating boom 15 is a small manual crane, and due to limited installation space, the working area cannot be completely covered by only a radius, and the fixed boom 16 of the steel structure on the other side is matched to realize the hoisting connection of the filling pipe 3.

In this embodiment, as shown in fig. 3 and 4, the water collection platform 4 includes a base 401 and a water collection plate 402 disposed on the base 401, the base 401 is disposed on the deck 1, the water collection plate 402 is flush with the top surface of the turning platform 2, wherein the water collection plate 402 is a stainless steel grating panel, the base 401 and the deck 1 are connected by a fastener, and the low-temperature liquid generated during the filling process is discharged to the outboard through the flow guide plate 201 on the turning platform 2.

In this embodiment, LNG gas station is still including locating the shower 17 of the bottom surface of roll-over table 2, shower 17 is equipped with the ascending delivery port of orientation hull planking side by side, a tip of shower 17 is connection interface, mountable rubber hose, is connected to near fire hose, shower 17 is located between the whereabouts position of cryogenic liquids and the hull planking, works as when cryogenic liquids falls the discharge outward, shower 17 leads to water for the hull planking forms the one deck cascade, can avoid with hull planking direct contact when cryogenic liquids fall, further protection hull structure does not produce the destruction because of low temperature.

In this embodiment, as shown in fig. 1 to 3, a detachable mounting frame 18 for fixing the filling pipe 3 is provided on the roll-over table 2, so that the filling pipe 3 can be conveniently connected when filling is performed, and after the roll-over table 2 is stored, the mounting frame 18 can be detached and stored at other positions. Specifically, as shown in fig. 9 to 14, the mounting frame 18 includes a base 1801 and side plates 1802 disposed on two sides of the base 1801, the upper surface of the base 1801 is an arc surface designed with a corresponding radian, which meets the requirement of the minimum bending radius of the filler pipe 3, so that the filler pipe 3 is stably transited to outboard filling equipment, the mounting frame 18 may be integrally formed by welding stainless steel plates, and the side plates 1802 on two sides are provided with lifting eyes, which is convenient for lifting the filler pipe by using the lifting device.

Further, be equipped with between the roll-over table 2 with the fixed knot that base 1801 is connected constructs, when needs carry out the filling, utilize fixed knot constructs to install fixedly, when the back is accomodate to the roll-over table 2, will fixed knot constructs dismantles, separates mounting bracket 18 with roll-over table 2. Specifically, fixed knot constructs including locating positioning bolt 19 and swing bolt 20 on the roll-over table 2, base 1801 is equipped with and is used for connecting positioning bolt 19's breach 1803 and be used for connecting swing bolt 20's otic placode 1804, wherein, breach 1803 is located the place ahead of base 1801 is convenient for insert positioning bolt 19 prevents the gliding, otic placode 1804 is located the both sides of base 1801, after the location behind base 1801, will swing bolt 20 up lifts and blocks on otic placode 1804 utilizes the manual tightening of butterfly nut to fix it, and opposite step then is the dismantlement step, realizes mounting bracket 18 with quick installation and the dismantlement between the roll-over table 2.

In this embodiment, as shown in fig. 6, a foldable first safety rod 21 is disposed between the first upright post 5 and the flipping table 2, and a foldable second safety rod 22 is disposed between the second upright post 6 and the flipping table 2, so as to ensure that the flipping table 2 is flipped by 90 ° to the outside, maintain the level of the flipping table 2, and prevent accidents caused by breakage of the pulling rope 7.

In this embodiment, the roll-over table 2 is provided with a detachable railing frame 23, so that the safety of workers is protected, and the workers are prevented from falling from the roll-over table 2.

In this embodiment, through the extension of gas station workspace is realized to roll-over table 2, and its operating condition enlarges the 1 headroom on deck 650mm, and under the state of accomodating, the middle part occupies 1 width space 220mm on deck, and both ends local position occupies 400mm, satisfies the headroom requirement of boats and ships main entrance 600mm width, 2000mm height, realizes in finite space, accomplishes arranging of LNG gas station to make it satisfy the filling demand of LNG fuel.

The marine LNG filling station comprises a filling pipe 3, a turnover table 2, a water collecting table 4, a first upright post 5, a second upright post 6, a pulley mechanism and the like, in order to protect a hull structure from being damaged due to low temperature, the turnover table 2 is provided with a guide plate 201 for guiding low-temperature liquid to be discharged to the outside, the turnover table 2 can be turned over only through manual operation of a single person, the explosion-proof requirement of an LNG filling area is met, the mounting frame 18 is arranged on the turnover table 2 through a detachable structure and can be rapidly disassembled and assembled, in order to protect the safety of workers, the turnover table 2 is provided with a detachable railing frame 23 for preventing the personnel from falling high, and a first safety rod 21 and a second safety rod 22 for preventing the traction rope 7 from being broken, and the marine LNG filling station has the advantages of being simple in operation, compact in structure and the like.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (9)

1. The utility model provides a marine LNG gas station, its characterized in that, includes filling pipe, roll-over table and water collection platform, roll-over table and deck rotatable coupling, the filling pipe is located on the roll-over table, the water collection platform is located on the deck, the water collection platform includes the base and locates water-collecting plate on the base, the base is located on the deck, water-collecting plate with the top surface looks parallel and level of roll-over table, the side of roll-over table is equipped with the liquid discharge port and is used for guiding LNG cryogenic liquids flow direction the guide plate of liquid discharge port, the guide plate is located between the roll-over table with between the water collection platform and be located the below of water-collecting plate, so that the guide plate can accept cryogenic liquids on the water-collecting plate, and pass through the roll-over table discharges cryogenic liquids outboard.

2. The marine LNG refueling station as set forth in claim 1 further comprising a trolley for hoisting the filler pipe to the roll-over table.

3. The marine LNG refueling station of claim 2 wherein the trolley includes a rotating boom located on one side of the roll-over table and a fixed boom located on the other side of the roll-over table.

4. The marine LNG refueling station according to claim 1, further comprising a shower pipe provided on a bottom surface of the roll-over stand, the shower pipe being provided with a water outlet facing in a direction of the hull outer plate.

5. The marine LNG refueling station of claim 1 wherein the roll-over table has a removable mounting bracket for securing a filler pipe.

6. The marine LNG gas station of claim 5, wherein the mounting bracket comprises a base and side plates disposed on two sides of the base, and an upper surface of the base is a circular arc surface.

7. Marine LNG filling station according to claim 6, characterized in that the roll-over table is provided with a fixed structure connected with the base.

8. Marine LNG filling station according to claim 7, characterized in that the fixed structure comprises positioning bolts and swing bolts arranged on the roll-over table, and that the base is provided with indentations for attaching the positioning bolts and ear plates for attaching the swing bolts.

9. Marine LNG filling station according to any of the claims 1-8, characterized in that the roll-over table is provided with a detachable railing frame.

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