CN116293411B - Multi-LNG tank synchronous filling system and filling method - Google Patents
Multi-LNG tank synchronous filling system and filling method Download PDFInfo
- Publication number
- CN116293411B CN116293411B CN202310234676.6A CN202310234676A CN116293411B CN 116293411 B CN116293411 B CN 116293411B CN 202310234676 A CN202310234676 A CN 202310234676A CN 116293411 B CN116293411 B CN 116293411B
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- plate
- butt joint
- mounting
- pipe
- rotary
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 11
- 210000001503 joint Anatomy 0.000 claims abstract description 52
- 238000003032 molecular docking Methods 0.000 claims description 30
- 230000005540 biological transmission Effects 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 239000003345 natural gas Substances 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 230000005389 magnetism Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 238000005429 filling process Methods 0.000 abstract description 6
- 239000003949 liquefied natural gas Substances 0.000 description 32
- 238000013459 approach Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/02—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with liquefied gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/08—Mounting arrangements for vessels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0146—Two-phase
- F17C2223/0153—Liquefied gas, e.g. LPG, GPL
- F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/04—Methods for emptying or filling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0102—Applications for fluid transport or storage on or in the water
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention relates to the field of LNG transportation, in particular to a multi-LNG tank synchronous filling system and a multi-LNG tank synchronous filling method, comprising a mounting platform, wherein a storage tank and a main pipe are mounted on the mounting platform, and an input pipe is arranged on the storage tank; the synchronous filling system also comprises a butt joint device, a butt joint buffer structure and a tank buffer structure; the butt joint buffer mechanism further comprises a mounting frame, a fixed block and a butt joint plate, wherein the mounting frame is mounted on the mounting platform and is connected with the fixed block, the butt joint plate is slidably mounted on the mounting frame and is in sliding fit with the fixed block, and the butt joint device is mounted on the butt joint block and is used for connecting the input pipe and the main pipe; the tank body buffer structure is installed on the mounting platform and is used for supporting the storage tank. The invention realizes the function of improving the structural stability of the butt joint device, achieves the effect of avoiding leakage at the butt joint device, and solves the problem that the joint of the tank body and the filling pipeline is easy to be damaged and leaked in the filling process of the traditional filling system.
Description
Technical Field
The invention relates to the field of LNG transportation, in particular to a synchronous filling system and a synchronous filling method for multiple LNG tanks.
Background
LNG is an abbreviation for liquefied natural gas, liquefied natural gas is a clean energy, long distance transportation in the existing LNG needs to be accomplished through carrier, coastal LNG receiving station and transport vechicle to store LNG through the holding vessel, and when natural gas is transmitted, need to build LNG receiving station and just can carry, however, current loading and unloading mode filling speed is slower, and then leads to the transportation time extension.
For this reason, chinese patent CN107388028B discloses a multi-LNG tank synchronous filling system, which realizes the communication between a filling end and a receiving end, that is, can realize synchronous filling of a plurality of tanks through a main pipe, thereby meeting the requirement of filling a plurality of tanks on a ship; meanwhile, the LNG is directly filled into the LNG tank of the LNG tank transport ship by the gas field liquefaction factory, and the LNG tank transport ship can be transported by a flat car or a railway after being unloaded in a dangerous goods area of a container terminal.
However, because the LNG ship is berthed in water, along with stirring of rivers, the jar can take place to rock, and then lead to filling end and link intercommunication department to receive to drag, the condition that the natural gas leaked appears, then initiates the incident.
Disclosure of Invention
According to the multi-LNG tank synchronous filling system and the multi-LNG tank synchronous filling method, the problem that the joint of the tank body and the filling pipeline is easily damaged to leak in the filling process of the traditional filling system is solved through the mounting platform, the butt joint device, the butt joint buffer structure and the tank body buffer structure.
In order to solve the problems in the prior art, the invention adopts the following technical scheme:
the multi-LNG tank synchronous filling system comprises a mounting platform, wherein a storage tank and a main pipe are mounted on the mounting platform, and an input pipe is arranged on the storage tank; the synchronous filling system also comprises a butt joint device, a butt joint buffer structure and a tank buffer structure; the butt joint buffer structure further comprises a mounting frame, a fixed block and a butt joint plate, wherein the mounting frame is mounted on the mounting platform and is connected with the fixed block, the butt joint plate is slidably mounted on the mounting frame and is in sliding fit with the fixed block, and the butt joint device is mounted on the butt joint plate and is used for connecting the input pipe and the main pipe; the tank body buffer structure is installed on the mounting platform and is used for supporting the storage tank.
Preferably, the butt joint buffer structure further comprises a fixing component, wherein the fixing component comprises a straight rod, a mounting plate and a locking block; the limiting frame used for limiting the moving range of the abutting plate is arranged on the abutting plate, the straight rod is slidably arranged on the limiting frame, one end of the straight rod, which is far away from the limiting frame, is connected with the mounting plate, the straight rod is slidably matched with the fixing block, the locking block is slidably arranged on the mounting plate, the locking block is connected with the mounting plate through the compression spring, and the fixing block is provided with a locking groove matched with the locking block.
Preferably, the docking device comprises a connection assembly and a rotary drive assembly; the connecting assembly comprises a mounting seat, a matching pipe and a toothed ring, wherein the mounting seat is in sliding fit with the butt joint plate, the matching pipe is rotatably mounted on the mounting seat, a threaded sleeve is arranged at one end, close to the butt joint plate, of the input pipe, a threaded pipe matched with the threaded sleeve is mounted at one end, close to the input pipe, of the matching pipe, one end, far away from the input pipe, of the matching pipe is communicated with the main pipe, the toothed ring is sleeved on the periphery of the matching pipe and is rotatably connected with the mounting seat, a fixed key is arranged on the outer wall of the matching pipe, and the toothed ring is in sliding fit with the matching pipe through the fixed key; the rotary driving assembly is mounted on the mounting seat and is used for driving the toothed ring to rotate.
Preferably, the docking device further comprises a clamping assembly comprising a magnetic plate, a linear drive and a clamping plate; the one end that the magnetic plate is close to the input tube has magnetism, installs on the input tube with magnetic plate complex metal sheet, and the magnetic plate is connected with the mount pad, and linear drive installs on the magnetic plate, and splint are equipped with two and its slidable mounting on the magnetic plate, and two splint are located the both sides of magnetic plate respectively, and linear drive's drive end is connected with splint transmission.
Preferably, the docking device further comprises a positioning assembly, wherein the positioning assembly comprises a positioning rod and a first elastic piece; the locating rod is arranged on the mounting seat and is in sliding fit with the magnetic plate, a locating groove matched with the locating rod is formed in the metal plate, and two ends of the first elastic piece are respectively connected with the mounting seat and the magnetic plate.
Preferably, the rotary drive assembly comprises a first rotary drive, a rotary shaft and a rotary gear; the first rotary driver is arranged on the mounting seat, the rotary shaft is rotatably arranged on the mounting seat and is in transmission connection with the driving end of the first rotary driver, and the rotary gear is sleeved on the rotary shaft and is in transmission connection with the toothed ring.
Preferably, the tank buffer structure comprises a buffer component and a limiting plate; the buffer assembly comprises a mounting frame, a base, a buffer plate and a second elastic piece; the installation frame is slidably installed on the base, the base is installed on the installation platform, and the storage tank is installed on the installation frame; the buffer board slidable mounting is in the base, and the buffer board supports tight fit with the installing frame, and the both ends of second elastic component are connected with the base respectively and buffer board, and the limiting plate is installed on the base and its movable range that is used for restricting the installing frame along vertical direction.
Preferably, the limiting plate is rotatably provided with a folding plate, the folding plate is provided with a clamping seat, the clamping seat is slidably provided with a clamping tongue, the clamping tongue is connected with the clamping seat through a compression spring, and the limiting plate is also rotatably provided with a supporting rod matched with the clamping seat.
Preferably, the base is provided with a buffer cushion, and the buffer cushion is positioned between the mounting frame and the base.
A synchronous filling method of a plurality of LNG tanks comprises the following steps: s1, installing a storage tank, starting a butt joint device, and communicating an input pipe with a main pipe; s2, starting to inject natural gas; s3, closing the butt joint device after injection is completed, and disconnecting the input pipe and the main pipe.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the function of improving the structural stability of the docking device is realized through the mounting platform, the docking device, the docking buffer structure and the tank buffer structure, the effect of avoiding leakage at the docking device is achieved, and the problem that the joint of the tank and the filling pipeline is easy to damage and leak in the filling process of the traditional filling system is solved.
2. According to the invention, the function of locking the position of the butt joint plate is realized through the limiting frame, the straight rod, the mounting block, the locking block and the locking groove, the effect of fixing the butt joint plate when the butt joint plate is far away from the fixed block along the horizontal direction is achieved, the joint of the input pipe and the main pipe is prevented from continuously and freely sliding under the condition of tensile force, and the butt joint device is further protected.
3. The invention realizes the function of automatically connecting the input pipe and the main pipe through the connecting component and the rotary driving component, and achieves the effect of automatic butt joint.
Drawings
Fig. 1 is a schematic perspective view of a multiple LNG tank synchronous filling system;
FIG. 2 is a schematic perspective view of a single-sided portion of a multiple LNG tank simultaneous filling system;
FIG. 3 is a schematic perspective view of a docking device and docking buffer structure in a multiple LNG tank synchronous filling system;
FIG. 4 is an exploded perspective view of a stationary assembly of a multiple LNG tank synchronous filling system;
FIG. 5 is an enlarged partial schematic view at A in FIG. 4;
FIG. 6 is an enlarged partial schematic view at B in FIG. 4;
FIG. 7 is a schematic perspective view of a docking assembly in a multiple LNG tank simultaneous filling system;
FIG. 8 is an exploded perspective view of a docking assembly in a multiple LNG tank simultaneous filling system;
FIG. 9 is a schematic perspective view of a connection assembly and a rotary drive assembly in a multiple LNG tank synchronous filling system;
FIG. 10 is an exploded perspective view of a tank buffer structure in a multiple LNG tank simultaneous filling system;
fig. 11 is a schematic perspective view of a limiting plate in a multi-LNG tank synchronous filling system after being unfolded.
The reference numerals in the figures are:
1-a mounting platform;
11-a storage tank; 111-input tube; 1111-a threaded sleeve; 112-solenoid valve;
12-a main pipe;
2-a butt joint device;
a 21-connection assembly; 211-mounting seats; 2111-extension rod; 2112-a second rotary drive; 2113-a screw; 2114-a second bevel gear; 212-fitting the tube; 2121-threaded tube; 2122-stop collar; 213-tooth ring; 2131-a fixed bond; 2132-a scaffold;
22-a rotary drive assembly; 221-a first rotary drive; 222-a rotation axis; 223-rotating a gear; 224-first bevel gear; 225-synchronous belt;
23-a clamping assembly; 231-magnetic plate; 232-linear drive; 233-splint; 234-metal plate;
24-positioning assembly; 241—a positioning rod; 2411-balls; 242-positioning grooves; 243-a first elastic member;
3-butt-joint buffer structure;
31-mounting frame;
32-fixing blocks;
33-butt plate;
34-a fixed assembly; 341-a limiting frame; 342-a straight rod; 343-mounting plate; 344-locking block; 345-locking groove;
4-a tank buffer structure;
41-a cushioning assembly; 411-mounting frame; 412-a base; 4121-cushion pad; 413-a buffer plate; 414-a second elastic member;
42-limiting plates;
43-folding plate;
44-a clamping seat; 441-a catch;
45-supporting rods.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
Referring to fig. 1-4: the multi-LNG tank synchronous filling system comprises a mounting platform 1, wherein a storage tank 11 and a main pipe 12 are mounted on the mounting platform 1, and an input pipe 111 is arranged on the storage tank 11; the synchronous filling system also comprises a butt joint device 2, a butt joint buffer structure 3 and a tank buffer structure 4; the docking buffer structure further comprises a mounting frame 31, a fixed block 32 and a docking plate 33, wherein the mounting frame 31 is mounted on the mounting platform 1 and is connected with the fixed block 32, the docking plate 33 is slidably mounted on the mounting frame 31 and is slidably matched with the fixed block 32, and the docking device 2 is mounted on the docking plate 33 and is used for connecting the input pipe 111 and the main pipe 12; the tank buffer structure 4 is mounted on the mounting platform 1 and is used for supporting the storage tank 11.
The storage tank 11 has a large volume and a large weight, and the main pipe 12 has a small volume and a small weight, so that when the main pipe 12 is mounted on the mounting platform 1, the vibration of the ship body has a small influence on the main pipe 12, and the storage tank 11 is greatly influenced, and for this purpose, the storage tank 11 is supported by the tank buffer structure 4, the storage tank 11 is prevented from being severely vibrated, and the electromagnetic valve 112 is mounted on the input pipe 111.
According to the invention, the function of improving the structural stability of the docking device 2 is realized through the mounting platform 1, the docking device 2, the docking buffer structure 3 and the tank buffer structure 4, the effect of avoiding leakage at the docking device 2 is achieved, and the problem that the joint of the tank and the filling pipeline is easy to damage and leak in the filling process of the traditional filling system is solved. When the installation platform 1 is installed on an LNG carrier and the storage tank 11 installed on the installation platform 1 is filled, an operator firstly sends a signal to the docking device 2 through the controller, the docking device 2 is communicated with the main pipe 12 and the input pipe 111 after the signal is sent, and then the storage tank 11 is filled; in the filling process, the hull can be stirred by water flow and shake, and then drive mounting platform 1, and tank 11 supports through tank buffer structure 4, at the in-process of rocking, tank buffer structure 4 can reduce tank 11's vibrations, and then avoid tank 11 impaired, simultaneously, along with tank 11's rocking, it drives butt joint plate 33 and spacing frame 341 and remove, and be responsible for 12 and be connected with mounting bracket 31, butt joint plate 33 can remove relative fixed block 32, and then avoid taking place the rigidity between butt joint plate 33 and the mounting bracket 31 to drag, improve the communication stability between input tube 111 and the person in charge 12, avoid the filling in-process to take place to leak.
Referring to fig. 1-5: the docking and buffer structure 3 further includes a fixing assembly 34, the fixing assembly 34 including a straight rod 342, a mounting plate 343, and a locking block 344; the limiting frame 341 for limiting the moving range of the abutting plate 33 is installed on the abutting plate 33, the straight rod 342 is slidably installed on the limiting frame 341, one end, away from the limiting frame 341, of the straight rod 342 is connected with the mounting plate 343, the straight rod 342 is slidably matched with the fixed block 32, the locking block 344 is slidably installed on the mounting plate 343, the locking block 344 is connected with the mounting plate 343 through a compression spring, and the locking groove 345 matched with the locking block 344 is formed in the fixed block 32.
The straight rod 342 is provided with a groove body extending along the vertical direction, the straight rod 342 is in sliding fit with the fixed block 32 through the groove body, when the abutting plate 33 shakes, the limiting frame 341 slides relative to the straight rod 342 and the fixed block 32, a plurality of locking grooves 345 are formed, and the plurality of locking grooves 345 are distributed on the fixed block 32 at equal intervals.
The invention realizes the function of locking the position of the butt joint plate 33 through the limit frame 341, the straight rod 342, the mounting block, the locking block 344 and the locking groove 345, achieves the effect of fixing the butt joint plate 33 when the butt joint plate 33 is far away from the fixed block 32 along the horizontal direction, avoids the continuous free sliding under the condition that the connecting part of the input pipe 111 and the main pipe 12 is subjected to tensile force, and further protects the butt joint device 2. In the filling process, if the abutting plate 33 is far away from the fixed block 32 along the horizontal direction, if the abutting plate 33 still freely slides along the vertical surface, a large tensile force is caused to the joint of the input pipe 111 and the main pipe 12, and the joint is damaged and leaked, therefore, the fixed assembly 34 is arranged, when the abutting plate 33 moves along the horizontal surface away from the fixed plate, the abutting plate 33 drives the limiting frame 341, the straight rod 342 and the mounting plate 343 to move, the mounting plate 343 drives the locking block 344 to move, when the mounting plate 343 contacts with the fixed block 32, if the locking block 344 just cooperates with the locking groove 345, the locking block 344 is clamped into the locking groove 345 under the elastic force of the compression spring, and the abutting plate 33 is prevented from moving along the vertical surface; if the locking piece 344 does not match the position of the locking groove 345, the locking piece 344 slides into the mounting plate 343 under the extrusion action of the fixing piece 32, once the storage tank 11 shakes along the vertical plane, the locking piece 344 slides into the nearest locking groove 345, and then the locking piece 344 is fixed, so that the abutting plate 33 is prevented from moving along the vertical plane, and part of the freedom degree is limited until the mounting plate 343 is separated from the fixing piece 32.
Referring to fig. 3-9: the docking device 2 comprises a connection assembly 21 and a rotation driving assembly 22; the connecting assembly 21 comprises a mounting seat 211, a matching pipe 212 and a toothed ring 213, wherein the mounting seat 211 is in sliding fit with the abutting plate 33, the matching pipe 212 is rotatably mounted on the mounting seat 211, a threaded sleeve 1111 is arranged at one end of the input pipe 111 close to the abutting plate 33, a threaded pipe 2121 matched with the threaded sleeve 1111 is mounted at one end of the matching pipe 212 close to the input pipe 111, one end of the matching pipe 212 far away from the input pipe 111 is communicated with the main pipe 12, the toothed ring 213 is sleeved on the periphery of the matching pipe 212 and is rotatably connected with the mounting seat 211, a fixed key 2131 is arranged on the outer wall of the matching pipe 212, and the toothed ring 213 is in sliding fit with the matching pipe 212 through the fixed key 2131; the rotary drive assembly 22 is mounted on the mount 211 and is used to drive the toothed ring 213 in rotation.
During filling, an operator needs to pull the mounting seat 211 to enable the threaded tube 2121 to approach the threaded sleeve 1111 to enable the threaded tube 2121 to be in threaded connection with the threaded sleeve 1111, and therefore, the second rotary driver 2112, the screw 2113 and the second bevel gear 2114 are designed, the second rotary driver 2112 is mounted on the butt plate 33, the screw 2113 is rotatably mounted on the butt plate 33, the screw 2113 is in transmission connection with the mounting seat 211, two second bevel gears 2114 are arranged, the two second bevel gears 2114 are respectively sleeved on driving ends of the screw 2113 and the second rotary driver 2112, and the two second bevel gears 2114 are in transmission connection; the outer wall of the mating tube 212 is also provided with a stop ring 2122 for limiting the sliding range of the toothed ring 213, the mounting seat 211 is provided with a bracket 2132, and the toothed ring 213 is rotatably mounted on the bracket 2132.
The invention realizes the function of automatically connecting the input pipe 111 and the main pipe 12 through the connecting component 21 and the rotary driving component 22, and achieves the effect of automatic butt joint. The second rotary drive 2112 and the rotary drive assembly 22 are electrically connected to the controller; when filling, an operator firstly sends a signal to the second rotary driver 2112 through the controller, after receiving the signal, the second rotary driver 2112 drives the screw 2113 through the second bevel gear 2114 to rotate, the screw 2113 drives the mounting seat 211 connected with the screw 2113 in a transmission way to move, so that the threaded pipe 2121 on the matching pipe 212 approaches to the threaded sleeve 1111 on the input pipe 111, the threaded pipe 2121 on the matching pipe 212 is aligned with the threaded sleeve 1111 on the input pipe 111, then the signal is sent to the rotary driving assembly 22 through the controller, the rotary driving assembly 22 drives the toothed ring 213 to rotate after receiving the signal, the toothed ring 213 drives the matching pipe 212 to rotate through the fixed key 2131, the matching pipe 212 drives the threaded pipe 2121 to rotate, along with the rotation of the threaded pipe 2121, the threaded sleeve 1111 is in threaded connection with the threaded sleeve 1111, after the threaded sleeve 1111 is in threaded fastening with the threaded sleeve 2121, the input pipe 111 is tightly connected with the matching pipe 212, and then the operator fills the storage tank 11 through the connection of the matching pipe 212.
Referring to fig. 3 and 7: the docking device 2 further comprises a clamping assembly 23, the clamping assembly 23 comprising a magnetic plate 231, a linear drive 232 and a clamping plate 233; the magnetic plate 231 has magnetism near the one end of input tube 111, installs on the input tube 111 with magnetic plate 231 complex metal sheet 234, and magnetic plate 231 is connected with mount pad 211, and sharp driver 232 installs on magnetic plate 231, and splint 233 is equipped with two and its slidable mounting on magnetic plate 231, and two splint 233 are located the both sides of magnetic plate 231 respectively, and sharp driver's 232 drive end is connected with splint 233 transmission.
The magnetic plate 231 is provided with an extension rod 2111, and a screw 2113 is screwed with the extension rod 2111.
The invention realizes the function of quickly connecting the input tube 111 and the matching tube 212 through the magnetic plate 231, the linear driver 232 and the clamping plate 233; the linear driver 232 is preferably a hydraulic rod, and the linear driver 232 is electrically connected with the controller; during filling, an operator firstly sends a signal to the second rotary driver 2112 through the controller, the second rotary driver 2112 drives the screw 2113 through the second bevel gear 2114 after receiving the signal, the screw 2113 drives the mounting seat 211 in transmission connection with the screw 2113 to move, the threaded pipe 2121 on the matching pipe 212 is close to the threaded sleeve 1111 on the input pipe 111, along with the approach of the magnetic plate 231 and the metal plate 234, the magnetic plate 231 is adsorbed on the metal plate 234 under the action of magnetic force, then the operator sends the signal to the linear driver 232 through the controller, the linear driver 232 receives the signal and drives the two clamping plates 233 to approach each other, so that the metal plate 234 is clamped, meanwhile, two sides of the metal plate 234 are aligned with two sides of the magnetic plate 231, the threaded pipe 2121 on the matching pipe 212 is aligned with the threaded sleeve 1111 on the input pipe 111, then the rotating driving assembly 22 sends the signal through the controller, the toothed ring 213 rotates through the fixed key 1 to drive the matching pipe 212, the matching pipe 2121 rotates along with the rotating pipe 2121, the threaded sleeve 1111 is tightly matched with the threaded sleeve 1111 through the threaded connection of the input pipe 111, and the threaded sleeve 111 is tightly matched with the threads of the screw joint of the pipe 212.
Referring to fig. 7-9: the docking device 2 further comprises a positioning assembly 24, the positioning assembly 24 comprising a positioning rod 241 and a first elastic member 243; the positioning rod 241 is mounted on the mounting seat 211 and is in sliding fit with the magnetic plate 231, a positioning groove 242 matched with the positioning rod 241 is formed in the metal plate 234, and two ends of the first elastic piece 243 are respectively connected with the mounting seat 211 and the magnetic plate 231.
The positioning rod 241 is mounted with a ball 2411 at one end thereof adjacent to the magnetic plate 231.
The present invention accomplishes the function of automatically aligning the threaded sleeve 1111 and the threaded tube 2121 by the positioning rod 241, the positioning groove 242 and the first elastic member 243. When filling, an operator firstly sends a signal to the second rotary driver 2112 through the controller, the second rotary driver 2112 receives the signal and then drives the screw 2113 to rotate through the second bevel gear 2114, the screw 2113 drives the mounting seat 211 connected with the screw 2113 in a transmission way to move, so that the threaded pipe 2121 on the matching pipe 212 approaches the threaded sleeve 1111 on the input pipe 111, along with the approach of the magnetic plate 231 and the metal plate 234, the magnetic plate 231 is adsorbed on the metal plate 234 under the action of magnetic force, at the moment, the positioning rod 241 is extruded by the metal plate 234, the elasticity of the first elastic piece 243 is overcome, the mounting seat 211 slides relative to the magnetic plate 231 and drives the threaded pipe 2121 to be far away from the threaded sleeve 1111, collision is avoided, then the operator sends the signal to the linear driver 232 through the controller, the linear driver 232 drives the two clamping plates 233 to approach each other after receiving the signal, and further clamps the metal plate 234 while aligning both sides of the metal plate 234 with both sides of the magnetic plate 231, and as the hull is shaken and the storage tank 11 is moved, once the positioning rod 241 is aligned with the positioning groove 242, the positioning rod 241 slides into the positioning groove 242 by the elastic force of the first elastic member 243, and then the threaded tube 2121 on the fitting tube 212 is aligned with the threaded sleeve 1111 on the input tube 111, and then a signal is sent to the rotary driving assembly 22 through the controller, the rotary driving assembly 22 drives the toothed ring 213 to rotate after receiving the signal, the toothed ring 213 drives the fitting tube 212 to rotate through the fixing key 2131, the fitting tube 212 drives the threaded tube 2121 to rotate, and as the threaded tube 2121 rotates, it is in threaded connection with the threaded sleeve 1111, and after the threaded sleeve 1111 is screwed with the threaded tube 2121, the input tube 111 is tightly connected with the fitting tube 212, the operator then fills the tank 11 through the connection of the fitting tube 212.
Referring to fig. 3, 8 and 9: the rotary drive assembly 22 includes a first rotary drive 221, a rotary shaft 222, and a rotary gear 223; the first rotary driver 221 is mounted on the mounting base 211, the rotary shaft 222 is rotatably mounted on the mounting base 211 and is in transmission connection with the driving end of the first rotary driver 221, and the rotary gear 223 is sleeved on the rotary shaft 222 and is in transmission connection with the toothed ring 213.
The rotary driving assembly 22 further comprises two first bevel gears 224, wherein the two first bevel gears 224 are respectively sleeved on the rotary shaft 222 and the first rotary driver 221, and the two first bevel gears 224 are in transmission connection; two input pipes 111 are arranged on each tank body, two matching pipes 212 matched with the two input pipes are also arranged on the mounting seat 211, two rotating shafts 222 and a rotating gear 223 are also arranged for the mounting seat, a synchronous belt 225 is arranged between the two rotating shafts 222, and the two rotating shafts 222 synchronously rotate through the transmission of the synchronous belt 225.
The present invention realizes a function of driving the ring gear 213 to rotate by the first rotary driver 221, the rotary shaft 222, and the rotary gear 223. The first rotary driver 221 is preferably a servo motor, and the servo motor is electrically connected with the controller; when filling, an operator firstly sends a signal to the second rotary driver 2112 through the controller, after receiving the signal, the second rotary driver 2112 drives the screw 2113 through the second bevel gear 2114, the screw 2113 drives the mounting seat 211 connected with the screw 2113 in a transmission way to move, so that the threaded pipe 2121 on the threaded pipe 212 is close to the threaded sleeve 1111 on the input pipe 111, the threaded pipe 2121 on the threaded pipe 212 is aligned with the threaded sleeve 1111 on the input pipe 111, then the signal is sent to the first rotary driver 221 through the controller, the first rotary driver 221 receives the signal and drives the rotary shaft 222 to rotate through the first bevel gear 224, the rotary shaft 222 drives the rotary gear 223 to rotate, the rotary gear 223 drives the toothed ring 213 connected with the toothed ring 213 to rotate through the fixed key 2131, the threaded pipe 212 drives the threaded pipe 2121 to rotate, along with the rotation of the threaded pipe 2121, after the threaded sleeve 1111 is screwed tightly fastened with the threaded sleeve 1111, the input pipe 111 is tightly connected with the threaded pipe 212, and then the operator performs filling on the storage tank through the connection of the threaded sleeve 212.
Referring to fig. 1, 2, 10 and 11: the tank buffer structure 4 comprises a buffer component 41 and a limiting plate 42; the buffer assembly 41 includes a mounting frame 411, a base 412, a buffer plate 413, and a second elastic member 414; the mounting frame 411 is slidably mounted on the base 412, the base 412 is mounted on the mounting platform 1, and the storage tank 11 is mounted on the mounting frame 411; the buffer plate 413 is slidably mounted in the base 412, the buffer plate 413 is in tight fit with the mounting frame 411, two ends of the second elastic member 414 are respectively connected with the base 412 and the buffer plate 413, and the limiting plate 42 is mounted on the base 412 and is used for limiting the moving range of the mounting frame 411 along the vertical direction.
The invention realizes the function of protecting the storage tank 11 through the mounting frame 411, the base 412, the buffer plate 413, the second elastic piece 414 and the limiting plate 42, and achieves the effect of reducing the impact on the storage tank 11. When the ship body shakes, the storage tank 11 is subjected to inertia, the buffer plate 413 is extruded, the second elastic piece 414 is contracted by pressure, impulse is absorbed simultaneously, the storage tank 11 is prevented from shaking violently, the moving range of the horizontal plane of the storage tank is limited through the cooperation of the base 412 and the mounting frame 411, and meanwhile, the mounting frame 411 is prevented from falling off from the base 412 through the blocking of the limiting plate 42.
Referring to fig. 1, 2, 10 and 11: the limiting plate 42 is rotatably provided with a folding plate 43, the folding plate 43 is provided with a clamping seat 44, the clamping seat 44 is slidably provided with a clamping tongue 441, the clamping tongue 441 is connected with the clamping seat 44 through a compression spring, and the limiting plate 42 is rotatably provided with a supporting rod 45 matched with the clamping seat 44.
The invention realizes the function of quickly disassembling and assembling the mounting frame 411 through the folding plate 43, the clamping seat 44 and the supporting rod 45; after the transport ship moves to the destination, the storage tank 11 needs to be transported by a vehicle, for this reason, the storage tank 11 needs to be detached, and the movement range of the storage tank 11 in the vertical direction is limited by the limiting plate 42, so that the detachment thereof is difficult, the folding plate 43 is provided, when the storage tank 11 needs to be fixed, an operator rotates the folding plate 43 to be in a unfolded state, rotates the support rod 45, enables the support rod 45 to slide into the clamping seat 44, fixes the support rod 45 by the clamping tongue 441, prevents the folding plate 43 from rotating by the support rod 45, and then limits the movement range of the storage tank 11 in the vertical direction by the folding plate 43, and when the storage tank 11 is detached, only the clamping tongue 441 needs to be pulled, the support rod 45 is rotated, so that the support rod 45 is separated from the folding plate 43, and then the folding plate 43 is turned, so that the storage tank 11 can be detached easily.
Referring to fig. 10: the base 412 is provided with a cushion 4121, and the cushion 4121 is located between the mounting frame 411 and the base 412.
The present invention achieves the effect of protecting the storage tank 11 by realizing the function of relieving the impact between the mounting frame 411 and the base 412 through the cushion 4121. In the process of shaking the ship body, the storage tank 11 may be overturned, for this purpose, the buffer pad 4121 is provided, the buffer pad 4121 is preferably made of rubber, and after the storage tank 11 overturns, the storage tank falls on the buffer pad 4121 under the action of gravity, and then the impact is absorbed through the buffer pad 4121, so that the damage of the storage tank 11 is avoided.
Referring to fig. 1-11: a synchronous filling method of a plurality of LNG tanks comprises the following steps: s1, installing a storage tank 11, starting a docking device 2, and communicating an input pipe 111 with a main pipe 12; s2, starting to inject natural gas; and S3, closing the butt joint device 2 after the injection is completed, and disconnecting the input pipe 111 and the main pipe 12.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (6)
1. The multi-LNG tank synchronous filling system comprises a mounting platform (1), wherein a storage tank (11) and a main pipe (12) are mounted on the mounting platform (1), and an input pipe (111) is arranged on the storage tank (11);
the synchronous filling system is characterized by further comprising a butt joint device (2), a butt joint buffer structure (3) and a tank body buffer structure (4);
the butt joint buffer structure (3) further comprises a mounting frame (31), a fixed block (32) and a butt joint plate (33), wherein the mounting frame (31) is mounted on the mounting platform (1) and the mounting frame (31) is connected with the fixed block (32), the butt joint plate (33) is slidably mounted on the mounting frame (31) and the butt joint plate (33) is slidably matched with the fixed block (32), the butt joint device (2) is mounted on the butt joint plate (33) and the butt joint device (2) is used for connecting the input pipe (111) and the main pipe (12);
the tank body buffer structure (4) is arranged on the mounting platform (1), and the tank body buffer structure (4) is used for supporting the storage tank (11);
the butt joint buffer structure (3) further comprises a fixing assembly (34), wherein the fixing assembly (34) comprises a straight rod (342), a mounting plate (343) and a locking block (344);
a limit frame (341) for limiting the movement range of the butt plate (33) is arranged on the butt plate (33), a straight rod (342) is slidably arranged on the limit frame (341), one end, away from the limit frame (341), of the straight rod (342) is connected with a mounting plate (343), the straight rod (342) is slidably matched with a fixed block (32), a locking block (344) is slidably arranged on the mounting plate (343), the locking block (344) is connected with the mounting plate (343) through a compression spring, and a locking groove (345) matched with the locking block (344) is formed in the fixed block (32);
the docking device (2) comprises a connecting component (21) and a rotary driving component (22);
the connecting assembly (21) comprises a mounting seat (211), a matching pipe (212) and a toothed ring (213), wherein the mounting seat (211) is in sliding fit with the abutting plate (33), the matching pipe (212) is rotatably mounted on the mounting seat (211), a threaded sleeve (1111) is arranged at one end, close to the abutting plate (33), of the input pipe (111), a threaded pipe (2121) matched with the threaded sleeve (1111) is mounted at one end, close to the input pipe (111), of the matching pipe (212), one end, far away from the input pipe (111), of the matching pipe (212) is communicated with the main pipe (12), the toothed ring (213) is sleeved on the periphery of the matching pipe (212) and is in rotary connection with the mounting seat (211), a fixed key (2131) is arranged on the outer wall of the matching pipe (212), and the toothed ring (213) is in sliding fit with the matching pipe (212) through the fixed key (2131);
the rotary driving assembly (22) is mounted on the mounting seat (211) and the rotary driving assembly (22) is used for driving the toothed ring (213) to rotate;
the docking device (2) further comprises a clamping assembly (23), wherein the clamping assembly (23) comprises a magnetic plate (231), a linear driver (232) and a clamping plate (233);
one end of the magnetic plate (231) close to the input tube (111) is provided with magnetism, the input tube (111) is provided with a metal plate (234) matched with the magnetic plate (231), the magnetic plate (231) is connected with the mounting seat (211), the linear driver (232) is arranged on the magnetic plate (231), two clamping plates (233) are arranged, the clamping plates (233) are slidably arranged on the magnetic plate (231), the two clamping plates (233) are respectively arranged on two sides of the magnetic plate (231), and the driving end of the linear driver (232) is in transmission connection with the clamping plates (233);
the docking device (2) further comprises a positioning assembly (24), wherein the positioning assembly (24) comprises a positioning rod (241) and a first elastic piece (243);
the locating rod (241) is installed on the installation seat (211) and the locating rod (241) is in sliding fit with the magnetic plate (231), locating grooves (242) matched with the locating rod (241) are formed in the metal plate (234), and two ends of the first elastic piece (243) are respectively connected with the installation seat (211) and the magnetic plate (231).
2. A multi LNG tank synchronous filling system according to claim 1, characterized in that the rotary drive assembly (22) comprises a first rotary drive (221), a rotary shaft (222) and a rotary gear (223);
the first rotary driver (221) is installed on the installation seat (211), the rotary shaft (222) is rotatably installed on the installation seat (211), the rotary shaft (222) is in transmission connection with the driving end of the first rotary driver (221), the rotary gear (223) is sleeved on the rotary shaft (222), and the rotary gear (223) is in transmission connection with the toothed ring (213).
3. A multi LNG tank synchronous filling system according to any of claims 1-2, characterized in that the tank buffer structure (4) comprises a buffer assembly (41) and a limiting plate (42);
the buffer assembly (41) comprises a mounting frame (411), a base (412), a buffer plate (413) and a second elastic piece (414);
the installation frame (411) is slidably installed on the base (412), the base (412) is installed on the installation platform (1), and the storage tank (11) is installed on the installation frame (411);
the buffer plate (413) is slidably mounted in the base (412), the buffer plate (413) is in tight fit with the mounting frame (411), two ends of the second elastic piece (414) are respectively connected with the base (412) and the buffer plate (413), the limiting plate (42) is mounted on the base (412) and the limiting plate (42) is used for limiting the moving range of the mounting frame (411) along the vertical direction.
4. A multi-LNG tank synchronous filling system according to claim 3, characterized in that a folding plate (43) is rotatably mounted on the limiting plate (42), a locking seat (44) is provided on the folding plate (43), a locking tongue (441) is slidably mounted on the locking seat (44), the locking tongue (441) is connected with the locking seat (44) through a compression spring, and a supporting rod (45) matched with the locking seat (44) is rotatably mounted on the limiting plate (42).
5. A multiple LNG tank simultaneous filling system according to claim 3, characterized in that the base (412) is provided with a cushion (4121), the cushion (4121) being located between the mounting frame (411) and the base (412).
6. A multi-LNG tank synchronous filling method, employing a multi-LNG tank synchronous filling system as claimed in any one of claims 1 to 5, comprising the steps of:
s1, installing a storage tank (11), starting a butt joint device (2), and communicating an input pipe (111) with a main pipe (12);
s2, starting to inject natural gas;
s3, closing the butt joint device (2) after injection is completed, and disconnecting the input pipe (111) and the main pipe (12).
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| CN202310234676.6A CN116293411B (en) | 2023-03-13 | 2023-03-13 | Multi-LNG tank synchronous filling system and filling method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310234676.6A CN116293411B (en) | 2023-03-13 | 2023-03-13 | Multi-LNG tank synchronous filling system and filling method |
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| CN116293411B true CN116293411B (en) | 2023-12-19 |
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| KR20120002211A (en) * | 2010-06-30 | 2012-01-05 | 대우조선해양 주식회사 | Apparatus for supporting storage tank |
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| CN107388028A (en) * | 2017-08-05 | 2017-11-24 | 苏州西派格液压科技有限公司 | More LNG tank case synchronization loading systems |
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| CN116293411A (en) | 2023-06-23 |
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