CN116176759B - Marine independent LNG stores up cabin - Google Patents

Marine independent LNG stores up cabin Download PDF

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Publication number
CN116176759B
CN116176759B CN202310446613.7A CN202310446613A CN116176759B CN 116176759 B CN116176759 B CN 116176759B CN 202310446613 A CN202310446613 A CN 202310446613A CN 116176759 B CN116176759 B CN 116176759B
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CN
China
Prior art keywords
main body
foam
storage cabin
fire
cabin main
Prior art date
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Active
Application number
CN202310446613.7A
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Chinese (zh)
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CN116176759A (en
Inventor
黄炼
黄胜炎
吴红
郑军
朱明�
闻亮
顾秋云
展春芽
赵芬
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Jiangsu New Times Shipbuilding Co ltd
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Jiangsu New Times Shipbuilding Co ltd
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Priority to CN202310446613.7A priority Critical patent/CN116176759B/en
Publication of CN116176759A publication Critical patent/CN116176759A/en
Application granted granted Critical
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B11/00Interior subdivision of hulls
    • B63B11/04Constructional features of bunkers, e.g. structural fuel tanks, or ballast tanks, e.g. with elastic walls
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C3/00Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/06Fire prevention, containment or extinguishing specially adapted for particular objects or places of highly inflammable material, e.g. light metals, petroleum products
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C31/00Delivery of fire-extinguishing material
    • A62C31/02Nozzles specially adapted for fire-extinguishing
    • A62C31/12Nozzles specially adapted for fire-extinguishing for delivering foam or atomised foam
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B17/00Vessels parts, details, or accessories, not otherwise provided for
    • B63B17/0027Tanks for fuel or the like ; Accessories therefor, e.g. tank filler caps
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/30Use of alternative fuels, e.g. biofuels

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The invention provides an independent LNG storage cabin for a ship, and relates to the technical field of marine equipment. The marine independent LNG storage cabin comprises a mounting base, wherein a storage cabin main body is arranged above the mounting base, and a buffer mounting structure is arranged between the bottom of the storage cabin main body and the upper surface of the mounting base. According to the invention, when the storage cabin main body is damaged and leaked through the fireproof foam structure, a large amount of foam can be identified and sprayed out at the first time, so that fire or explosion caused by leakage of liquefied gas is effectively avoided, potential safety hazards caused by leakage of natural gas are avoided, foam is sprayed out at the corresponding position through accurately identifying the leakage position, the pertinence is stronger, the foam is concentrated, the fireproof effect is better, the storage cabin main body does not need to be lifted for many times or moved through a cylindrical inflatable air bag through a self-walking mechanism, and the lifting assembly is not needed through a manual hoist, so that the installation process of the storage cabin main body is simplified, and the installation efficiency is improved.

Description

Marine independent LNG stores up cabin
Technical Field
The invention relates to the technical field of marine equipment, in particular to an independent LNG storage cabin for a ship.
Background
The marine independent LNG storage cabin is a system for storing LNG in a liquid state in a ship, and the marine independent LNG storage cabin consists of a series of storage tanks, valves, sensors and the like, and can meet the fuel reserve required by long-term sailing of the ship. The marine independent LNG storage tank system is typically installed in the lower deck or cabin of a ship and needs to meet the relevant international safety standards and regulations.
Compared with a traditional LNG transport ship, the marine independent LNG storage cabin has greater flexibility and stronger reliability. The ship navigation system has the advantages of meeting the long-term navigation requirement and flexibly adjusting according to the actual condition of the ship. Meanwhile, the marine independent LNG storage tanks can avoid negative effects caused by installing the LNG liquid tanks on the ship, such as increasing the weight of the ship, affecting the stability of the ship and the like. Accordingly, the independent LNG tanks for ships are increasingly widely used and developed in the future ship industry.
The marine LNG storage cabin is installed through the crane when installing in the prior art, but the hoisting radius of the crane is limited, the marine LNG storage cabin needs to be hoisted for many times when assembling some great boats and ships, and the cylindrical airbag cushion is adopted to move below the LNG storage cabin when moving in the cabin, and the lifting hoist needs to be used for assembling when installing on the surface of the isolation seat, so that the assembly efficiency is low, meanwhile, the LNG storage cabin is made of invar steel materials, the thickness of the LNG storage cabin is only 0.7 mm under normal conditions, the tank body is possibly damaged under emergency conditions, natural gas deflagration can be caused when the tank body is damaged, fire is slightly caused, explosion is seriously caused, the occurrence of fire and deflagration conditions can be prevented when the tank body is damaged by manually spraying foam, and accidents can be caused when workers catch to site from an alarm.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides the marine independent LNG storage cabin, which solves the problems that the LNG storage cabin is complex in installation process and low in efficiency, and can not be used for preventing fire at the first time when leakage occurs, and has certain potential safety hazard.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a marine independent LNG stores up cabin, includes the mounting base, mounting base top position is provided with stores up the cabin main part, be provided with buffering mounting structure between storing up cabin main part bottom and the mounting base upper surface, buffering mounting structure is located the part of storing up the cabin main part and is provided with the self-running mechanism, it is provided with a plurality of fire prevention foam structure to store up cabin main part outside position, mounting base upper surface one side position fixedly connected with sensing module.
Through the above-mentioned technique, store up the cabin main part and store liquefied gas, buffer mounting structure can insulate simultaneously effectively, has the effect of buffering, and it is convenient to remove the storage main part through walking mechanism by oneself and install conveniently, improves the efficiency of installation, and fire prevention foam structure can spout the foam and cover the cooling to leaking the position when natural gas leaks, avoids appearing the condition of deflagration, and sensing module can discern the condition that gas leaked to in time control fire prevention ring canal control valve.
The fire prevention foam structure includes a plurality of evenly distributed's fire prevention ring canal, a plurality of fire prevention ring canal outer wall position runs through a plurality of evenly distributed's of fixedly connected with branch pipeline, a plurality of the branch pipeline outer wall is close to storage cabin main part position and runs through threaded connection and have the foam nozzle that corresponds, a plurality of fire prevention ring canal outer wall is provided with the liquefied gas sensor that two symmetries set up, a plurality of fire prevention ring canal one end position pipe connection has the foam pipeline that a level set up, foam pipeline passes through hose and pump body pipe connection with fire control foam water tank, and foam pipeline is provided with fire prevention ring canal control valve with the fire prevention ring canal hookup location that corresponds.
Through above-mentioned technical scheme, fire prevention ring pipe can carry each position with foam conveying pipeline's foam, and the branch pipeline can be so that spray foam does not have the dead angle, and the fire prevention effect is better, and foam nozzle realizes the effect of fire prevention with foam blowout, and the liquefied gas sensor can detect whether there is the gas leakage, and fire control foam water tank stores the fire control foam reserve.
Preferably, the upper surface position of the storage cabin main body is fixedly connected with a plurality of uniformly distributed pipeline clamping seats, a plurality of fireproof annular pipes are fixedly connected with the pipeline clamping seats at corresponding positions in a clamping mode, one end position of the storage cabin main body is provided with a liquefied gas filling port, and the pipe wall position of the liquefied gas filling port is provided with a control valve.
Through above-mentioned technical scheme, the pipe clamp seat can fix a position fire collar, and the liquefied gas filling mouth can be with the discharge of liquefied gas as fuel supply, can regard as the passageway that fuel was filled simultaneously.
Preferably, the buffer mounting structure comprises a longitudinal positioning protrusion and an isolation insulating pad, the longitudinal positioning protrusion is fixedly connected with the middle part of the upper surface of the mounting base, the isolation insulating pad is fixedly connected with the middle part of the lower surface of the storage cabin main body, a plurality of evenly distributed buffer holes are formed in the lower surface of the isolation insulating pad, a plurality of evenly distributed buffer springs are fixedly connected in the grooves of the longitudinal positioning protrusion, the buffer springs are in sliding connection with the inner walls of the buffer holes at corresponding positions, and the longitudinal positioning protrusion and the isolation insulating pad are made of polyurethane materials.
Through above-mentioned technical scheme, vertical location arch and isolation insulating pad have insulating cushioning's effect, and buffer hole and buffer spring have the effect of buffering shock attenuation, and polyurethane material has good insulating effect, and the material is comparatively soft simultaneously, has certain elasticity.
Preferably, the self-walking mechanism comprises a plurality of evenly distributed bull's eye pulleys, wherein the bull's eye pulleys are positioned at the positions of two sides of the buffer hole of the isolation insulating pad, and two symmetrically arranged limit sliding grooves are formed in the positions of two sides of the longitudinal positioning protrusion on the upper surface of the mounting base.
Through above-mentioned technical scheme, through tractor pulling storage cabin main part, store up the cabin main part and can realize sliding under the effect of bull's eye pulley, the convenient quick corresponding position of transporting to boats and ships is assembled, and spacing spout has good spacing effect, avoids sliding the skew to cause vertical location arch and isolation insulating pad unable meshing.
Preferably, the middle positions of the two symmetrically arranged limiting sliding grooves are provided with two symmetrically arranged positioning grooves, the two symmetrically arranged positions of the two ends of the limiting sliding groove are provided with two symmetrically arranged sloping grooves, and the bull's eye pulley is in sliding connection with the bottom of the corresponding limiting sliding groove.
Through the technical scheme, the locating slot can store the bullnose runner for supporting seat and mounting base surface laminating, and the slope groove is convenient to make the bullnose runner slide to spacing spout position.
Preferably, a plurality of evenly distributed supporting seats are fixedly connected to the lower positions of two side walls of the isolation insulating pad, a plurality of corresponding second threaded holes are formed in the middle of the upper surface of the supporting seat in a penetrating mode, a plurality of evenly distributed first threaded holes are formed in the upper surface of the mounting base at the two sides of the longitudinal positioning protrusions, and the supporting seat is fixedly connected with the mounting base through the first threaded holes, the second threaded holes and the connecting bolts.
Through above-mentioned technical scheme, through setting up the supporting seat to set up the second screw hole in the supporting seat position, and be provided with first screw hole in the mounting base position, conveniently make mounting base and store up cabin main part mutually support fixedly.
Preferably, the self-walking mechanism comprises two symmetrically arranged through rotating holes, the two through rotating holes are positioned at two sides of the end face of the longitudinal positioning protrusion, two connecting shafts are arranged in the through rotating holes and are in threaded connection with one another, the two connecting shafts positioned in the same through rotating hole are positioned at one end position outside the through rotating hole, and the inflatable wheels are arranged at the other end position outside the through rotating hole.
Through above-mentioned technical scheme, through inserting two connecting shaft poles and corresponding run through the rotation hole, and with its screw thread fixed connection, make the pneumatic wheel and ground contact, and aerify the pneumatic wheel through the air supply, make the storage cabin main part by lifting when inflating, the rethread promotes the storage cabin main part and can realize the slip of storage cabin main part, the storage cabin main part moves to the position directly over the mounting base, slowly emit the gas in the pneumatic wheel and make the supporting seat press in mounting base surface position, and the second screw hole of supporting seat position aligns with mounting base's first screw hole, through the bolt fastening can, fully emit the gas in the pneumatic wheel, dismantle two connecting shaft poles of threaded connection can again.
Preferably, the sensing module comprises a protective shell, an industrial control computer is arranged in the protective shell, and the industrial control computer is connected with a plurality of liquefied gas sensors, a fireproof ring pipe control valve, a control valve and a sensor code input module.
(III) beneficial effects
The invention provides an independent LNG storage tank for a ship. The beneficial effects are as follows:
1. according to the invention, when the storage cabin main body is damaged and air leakage occurs through the fireproof foam structure, a large amount of foam can be identified and sprayed out at the first time, so that fire or explosion caused by leakage of liquefied gas is effectively avoided, potential safety hazards caused by leakage of natural gas are avoided, and the air leakage position is accurately identified and foam is sprayed out at the corresponding position, so that the pertinence is stronger, the foam is concentrated, and the fireproof effect is better.
2. According to the invention, the self-walking mechanism is adopted to ensure that the storage cabin main body does not need to be hoisted for many times or moved by the cylindrical inflatable air bag, and also does not need to be hoisted and assembled by the manual hoist, so that the installation process of the storage cabin main body is simplified, the installation efficiency is improved, the investment of installation equipment is less, and the installation cost is low.
Drawings
Fig. 1 is a schematic perspective view of a marine independent LNG storage tank according to the present invention;
FIG. 2 is a partial top view of the mounting base of a marine independent LNG storage tank of the present invention;
FIG. 3 is a schematic view of the main structure of a marine independent LNG tank according to the present invention;
FIG. 4 is an enlarged view of FIG. 3 at A;
FIG. 5 is an enlarged view at B in FIG. 3;
fig. 6 is a bottom view of a tank body of a marine independent LNG tank according to the present invention after installation of a bullseye pulley;
FIG. 7 is a top view of a marine independent LNG storage tank of the present invention;
FIG. 8 is a schematic diagram of a sensing module according to the present invention;
FIG. 9 is a side view of a tank body according to a second embodiment of the present invention;
fig. 10 is a schematic structural view of an inflator wheel and a connecting shaft according to a second embodiment of the present invention.
1, installing a base; 2. a liquefied gas filling port; 3. a storage compartment body; 4. a fire collar; 5. a branch pipe; 6. a pipe clamping seat; 7. an isolation insulating pad; 8. a foam delivery conduit; 9. longitudinally positioning the protrusions; 10. a buffer spring; 11. buffering holes; 12. a foam nozzle; 13. a liquefied gas sensor; 14. a positioning groove; 15. a slope groove; 16. a first threaded hole; 17. limiting sliding grooves; 18. a second threaded hole; 19. a support base; 20. a bullseye pulley; 21. an induction module; 22. penetrating the rotating hole; 23. an inflatable wheel; 24. a connecting shaft lever; 25. a control valve; 26. a fire collar control valve.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1-8, the embodiment of the invention provides an independent LNG storage cabin for a ship, which comprises a mounting base 1, a storage cabin main body 3 is arranged above the mounting base 1, a plurality of uniformly distributed pipe clamping seats 6 are fixedly connected to the upper surface of the storage cabin main body 3, the pipe clamping seats 6 can fixedly position fireproof annular pipes 4, a plurality of fireproof annular pipes 4 are fixedly connected with the pipe clamping seats 6 at corresponding positions, a liquefied gas filling port 2 is arranged at one end of the storage cabin main body 3, the liquefied gas filling port 2 can discharge liquefied gas as fuel and can be used as a fuel filling channel, the storage cabin main body 3 stores liquefied gas, a buffer mounting structure can effectively insulate and can insulate heat, the buffer mounting structure has a buffer effect, the storage cabin main body 3 is convenient to move through a self-walking mechanism, the installation is convenient, the installation efficiency is improved, the fireproof foam structure can spray foam to cover and cool the leakage position when the natural gas leaks, the situation of deflagration is avoided, the sensing module can identify the situation of gas leakage, and the fireproof annular pipe can timely control a fire control valve 26.
The liquefied gas fills mouth 2 pipe wall position and is provided with control valve 25, be provided with buffering mounting structure between storage cabin main part 3 bottom and the mounting base 1 upper surface, buffering mounting structure includes vertical location arch 9 and keeps apart insulating pad 7, vertical location arch 9 and keeps apart insulating pad 7 have insulating buffering's effect, buffer hole 11 and buffer spring 10 have buffering cushioning's effect, and polyurethane material has good insulating effect, the material is comparatively soft simultaneously, there is certain elasticity, keep apart insulating pad 7 both sides wall below position fixedly connected with a plurality of evenly distributed's supporting seat 19.
Corresponding second threaded holes 18 are formed in the middle of the upper surface of the supporting seats 19 in a penetrating mode, a plurality of evenly distributed first threaded holes 16 are formed in the positions, located on two sides of the longitudinal positioning protrusions 9, of the upper surface of the mounting base 1, and the supporting seats 19 are fixedly connected with the mounting base 1 through the first threaded holes 16, the second threaded holes 18 and connecting bolts.
The longitudinal positioning bulge 9 is fixedly connected with the middle position of the upper surface of the mounting base 1, the isolation insulating pad 7 is fixedly connected with the middle position of the lower surface of the storage cabin main body 3, a plurality of buffer holes 11 which are uniformly distributed are formed in the lower surface of the isolation insulating pad 7, a plurality of buffer springs 10 which are uniformly distributed are fixedly connected in the grooves of the longitudinal positioning bulge 9, and the buffer springs 10 are in sliding connection with the inner walls of the buffer holes 11 at the corresponding positions.
The longitudinal positioning bulge 9 and the isolation insulating pad 7 are made of polyurethane materials, the part of the buffer mounting structure, which is positioned on the storage cabin main body 3, is provided with a self-walking mechanism, the self-walking mechanism comprises a plurality of evenly distributed bull's eye pulleys 20, the bull's eye pulleys 20 are positioned on the two sides of the buffer hole 11, the isolation insulating pad 7 is positioned on the two sides of the buffer hole 11, and two symmetrically arranged limiting sliding grooves 17 are formed in the two sides of the longitudinal positioning bulge 9 on the upper surface of the mounting base 1.
The constant head tank 14 that two symmetries set up has all been seted up to spacing spout 17 middle part position that two symmetries set up, the sloping slot 15 that two symmetries set up has all been seted up to spacing spout 17 both ends positions that two symmetries set up, bullnose pulley 20 and the spacing spout 17 bottom sliding connection of corresponding position, through tractor pulling storage cabin main part 3, storage cabin main part 3 can realize the slip under the effect of bullnose pulley 20, the convenient quick transportation is assembled to the corresponding position of boats and ships, spacing spout 17 has good spacing effect, avoid sliding the skew to cause vertical location protruding 9 and isolation insulating pad 7 unable meshing.
The outside position of the storage cabin main body 3 is provided with a plurality of fireproof foam structures, one side position of the upper surface of the installation base 1 is fixedly connected with a sensing module 21, the sensing module 21 comprises a protective shell, an industrial computer is arranged in the protective shell, and the industrial computer is connected with a plurality of liquefied gas sensors 13, fireproof ring canal control valves 26 and control valve and sensor code input modules.
The fire prevention foam structure includes a plurality of evenly distributed's fire prevention ring canal 4, fire prevention ring canal 4 can carry each position with the foam of foam pipeline 8, fire control foam water tank stores fire control foam reserve, a plurality of evenly distributed's of fixedly connected with branch pipe 5 are run through to a plurality of fire prevention ring canal 4 outer wall positions, branch pipe 5 can make the injection foam dead angle free, the fire prevention effect is better, a plurality of branch pipe 5 outer walls are close to store up cabin main part 3 positions and run through threaded connection and have corresponding foam nozzle 12, foam nozzle 12 is with the effect that the foam was spouted and is realized the fire prevention.
The outer wall of the fireproof annular pipe 4 is provided with two symmetrically-arranged liquefied gas sensors 13, the liquefied gas sensors 13 can detect whether fuel gas leaks, a plurality of fireproof annular pipe 4 are connected with a foam conveying pipeline 8 which is horizontally arranged at one end of the fireproof annular pipe, the foam conveying pipeline 8 is connected with a fire-fighting foam water tank through a hose and a pump body pipeline, and a fireproof annular pipe control valve 26 is arranged at the connecting position of the foam conveying pipeline 8 and the corresponding fireproof annular pipe.
When the device is used, one side position of the storage cabin main body 3 is pulled by a tractor, the storage cabin main body 3 slides under the action of the bullnose pulley 20 by the tractor, the storage cabin main body 3 is pulled to the position of the installation base 1 of the cabin by the pulling of the tractor, the bullnose pulley 20 slides to the position of the slide way limiting chute 17 at the position of the slope groove 15, the bullnose pulley 20 slides to the positioning groove 14 at the corresponding position, at the moment, the longitudinal positioning bulge 9 is meshed with the isolation insulating pad 7 at the corresponding position, the supporting seat 19 is attached to the upper surface of the installation base 1, and the installation and fixation of the storage cabin main body 3 and the installation base 1 can be completed by relatively fixing the supporting seat through bolts;
when the storage cabin body 3 leaks, the liquefied gas sensor 13 near the leakage point is triggered, the liquefied gas sensor 13 uploads a leakage signal to the industrial computer, so that the fireproof annular pipe control valve 26 at the corresponding position is opened, namely the foam nozzle 12 at the corresponding position sprays foam, the leakage point is sprayed with foam, accidents of spontaneous combustion and explosion of the leaked gas are avoided, and the liquefied gas sensor 13 and the fireproof annular pipe control valve 26 are recorded into the industrial computer through the control valve and the sensor code input module after being installed, so that the fireproof annular pipe control valve 26 at the corresponding position is controlled by the corresponding liquefied gas sensor 13.
Example two
As shown in fig. 9 to 10, this embodiment is different from the first embodiment in that: the self-walking mechanism comprises two symmetrically arranged penetrating rotating holes 22, wherein the two penetrating rotating holes 22 are positioned at two sides of the end face of the longitudinal positioning protrusion 9, two connecting shafts 24 are arranged in the two penetrating rotating holes 22 and are in threaded connection with each other, the two connecting shafts 24 positioned in the same penetrating rotating hole 22 are in threaded connection with each other, and the two connecting shafts 24 positioned in the same penetrating rotating hole 22 are positioned at one end outside the penetrating rotating hole 22 and are all provided with inflatable wheels 23.
When the air charging device is used, two connecting shafts 24 are inserted into corresponding through rotating holes 22 and are in threaded fixed connection, so that the air charging wheel 23 is in contact with the ground, the air charging wheel 23 is inflated through an air source, the air storage cabin main body 3 is lifted up when being inflated, the air storage cabin main body 3 is pushed to slide, the air storage cabin main body 3 can slide to the position right above the mounting base 1, the air in the air charging wheel 23 is slowly discharged, the supporting seat 19 is pressed at the surface position of the mounting base 1, the second threaded holes 18 at the position of the supporting seat 19 are aligned with the first threaded holes 16 of the mounting base 1, the air in the air charging wheel 23 is fully discharged through bolt fixation, and the two connecting shafts 24 in threaded connection are detached.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a marine independent LNG storage tank, includes mounting base (1), its characterized in that: the device is characterized in that a storage cabin main body (3) is arranged above the installation base (1), a buffer installation structure is arranged between the bottom of the storage cabin main body (3) and the upper surface of the installation base (1), a self-walking mechanism is arranged on the part of the buffer installation structure, which is located on the storage cabin main body (3), a plurality of fireproof foam structures are arranged at the outer side of the storage cabin main body (3), and an induction module (21) is fixedly connected to one side of the upper surface of the installation base (1);
the fire-proof foam structure comprises a plurality of evenly distributed fire-proof annular pipes (4), a plurality of branch pipelines (5) which are evenly distributed are fixedly connected at the positions of the outer walls of the fire-proof annular pipes (4), a plurality of foam nozzles (12) which correspond to the positions of the outer walls of the branch pipelines (5) close to the storage cabin main body (3) in a penetrating threaded mode, two symmetrically arranged liquefied gas sensors (13) are arranged on the outer walls of the fire-proof annular pipes (4), a plurality of foam conveying pipelines (8) which are horizontally arranged are connected at the positions of one ends of the fire-proof annular pipes (4) in a pipeline mode, the foam conveying pipelines (8) are connected with a fire-proof foam water tank through hoses and pump body pipelines, and fire-proof annular pipe control valves (26) are arranged at the positions where the foam conveying pipelines (8) are connected with the corresponding fire-proof annular pipes (4);
the self-walking mechanism comprises a plurality of evenly-distributed bullnose pulleys (20), wherein the bullnose pulleys (20) are positioned at two sides of the buffer hole (11) in an isolating and insulating mode, two symmetrically-arranged limit sliding grooves (17) are formed in the positions, located at two sides of the longitudinal locating protrusion (9), of the upper surface of the installation base (1), two symmetrically-arranged locating grooves (14) are formed in the middle positions of the two symmetrically-arranged limit sliding grooves (17), two symmetrically-arranged slope grooves (15) are formed in the positions, located at two ends of the limit sliding grooves (17), of the two symmetrically-arranged bullnose pulleys (20) are in sliding connection with the bottoms of the limit sliding grooves (17) in corresponding positions;
or the self-walking mechanism comprises two symmetrically arranged penetrating rotating holes (22), wherein the two penetrating rotating holes (22) are positioned at two sides of the end face of the longitudinal positioning protrusion (9), two connecting shaft rods (24) are arranged in the penetrating rotating holes (22) and are in threaded connection with one another, the two connecting shaft rods (24) positioned in the same penetrating rotating hole (22) are positioned at one end outside the penetrating rotating hole (22), and an inflatable wheel (23) is arranged at the other end of the two connecting shaft rods (24) positioned in the same penetrating rotating hole (22).
2. The marine independent LNG storage tank of claim 1, wherein: the fire-proof cabin is characterized in that a plurality of evenly distributed pipeline clamping seats (6) are fixedly connected to the upper surface of the cabin storage main body (3), a plurality of fire-proof annular pipes (4) are fixedly connected with the corresponding pipeline clamping seats (6) in a clamping mode, a liquefied gas filling opening (2) is formed in one end of the cabin storage main body (3), and a control valve (25) is arranged at the pipe wall of the liquefied gas filling opening (2).
3. The marine independent LNG storage tank of claim 1, wherein: the buffer installation structure comprises a longitudinal positioning bulge (9) and an isolation insulating pad (7), wherein the longitudinal positioning bulge (9) is fixedly connected with the middle part of the upper surface of an installation base (1), the isolation insulating pad (7) is fixedly connected with the middle part of the lower surface of a storage cabin main body (3), a plurality of evenly distributed buffer holes (11) are formed in the lower surface of the isolation insulating pad (7), a plurality of evenly distributed buffer springs (10) are fixedly connected in grooves of the longitudinal positioning bulge (9), the buffer springs (10) are in sliding connection with the inner walls of the buffer holes (11) at corresponding positions, and the longitudinal positioning bulge (9) and the isolation insulating pad (7) are made of polyurethane materials.
4. A marine independent LNG storage tank according to claim 3, characterized in that: the utility model discloses a high-voltage power supply device, including insulating pad (7) and mounting base (1), a plurality of evenly distributed's supporting seat (19) of isolation insulating pad (7) both sides wall below position fixedly connected with, a plurality of corresponding second screw hole (18) have been run through to supporting seat (19) upper surface middle part position, a plurality of evenly distributed's first screw hole (16) have been seted up in mounting base (1) upper surface position in longitudinal positioning protruding (9) both sides position, pass through first screw hole (16), second screw hole (18) and connecting bolt fixed connection between supporting seat (19) and mounting base (1).
5. The marine independent LNG storage tank of claim 1, wherein: the induction module (21) comprises a protective shell, an industrial control computer is arranged in the protective shell, and the industrial control computer is connected with a plurality of liquefied gas sensors (13), fireproof ring pipe control valves (26) and control valve and sensor code input modules.
CN202310446613.7A 2023-04-24 2023-04-24 Marine independent LNG stores up cabin Active CN116176759B (en)

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Application Number Priority Date Filing Date Title
CN202310446613.7A CN116176759B (en) 2023-04-24 2023-04-24 Marine independent LNG stores up cabin

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Application Number Priority Date Filing Date Title
CN202310446613.7A CN116176759B (en) 2023-04-24 2023-04-24 Marine independent LNG stores up cabin

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CN116176759A CN116176759A (en) 2023-05-30
CN116176759B true CN116176759B (en) 2023-07-28

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