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CN-224229721-U - Marine fuel storage system and base structure thereof

CN224229721UCN 224229721 UCN224229721 UCN 224229721UCN-224229721-U

Abstract

The utility model provides a marine fuel storage system and a base structure thereof. The base structure is used to make a connection between the joint of the marine fuel storage system and the fuel tank. The bottom of the base structure is fixedly connected with the top of the fuel tank, the top of the base structure is fixedly connected with the joint, and the joint is positioned above the fuel tank at intervals, so that the joint is prevented from being directly contacted with the fuel tank to block cold energy transfer between the joint and the fuel tank, the heat preservation requirement of the joint is reduced while the use function of the joint is met, and the structure and the production process flow of the joint are simplified. The base structure is provided with an operation hole communicated with the inside of the joint, so that the joint, the base structure and the outer wall of the fuel tank are enclosed to form an airtight operation space for arranging pipeline components and the like of the marine fuel storage system, and the airtight operation space can prevent leakage and diffusion of fuel gas so as to improve the reliability and safety of the marine fuel storage system.

Inventors

  • PENG MIN
  • BAI TAO

Assignees

  • 南通中集太平洋海洋工程有限公司
  • 中集安瑞科投资控股（深圳）有限公司
  • 中国国际海运集装箱(集团)股份有限公司

Dates

Publication Date
20260512
Application Date
20250513

Claims (10)

  1. 1. A base structure for effecting a connection between a joint of a marine fuel storage system and a fuel tank, the axis of the tank extending in a horizontal direction; The bottom of the base structure is fixedly connected with the top of the fuel tank, and the top of the base structure is fixedly connected with the joint so that the joint is positioned above the fuel tank at intervals; The base structure is provided with an operation hole which is communicated with the inside of the joint, so that the joint, the base structure and the outer wall of the fuel tank can be enclosed to form an airtight operation space.
  2. 2. The base structure of claim 1 wherein said fuel canister comprises two canisters, the radial sides of said canisters being contiguous; The base structure comprises two base frames and a top plate, wherein the two base frames are arranged in one-to-one correspondence with the two tank bodies, and the bottom of each base frame is fixedly connected with the top of each tank body; The two base frames are distributed at intervals, and the joint between the opposite side surfaces of the two base frames and the two tank bodies is provided with an interval in the width direction of the fuel tank; The top plate is arranged at the tops of the two base frames, and the joint is fixed at the top of the top plate.
  3. 3. The base structure of claim 2 wherein each of said pedestals includes four panels connected end to end in sequence, said four panels enclosing to form a through hole extending up and down; Two through holes are formed in the top plate, and each through hole is communicated with one through hole to form the operation hole.
  4. 4. A base structure according to claim 3, wherein a plurality of webs are provided on each of the coamings at intervals; The top of the rib plate is fixed with the top plate.
  5. 5. The base structure of claim 4 wherein said top plate projects circumferentially outwardly beyond the outer periphery of said pedestal, said via having an inner diameter less than the inner diameter of said through hole; A plurality of rib plates are arranged at intervals on the inner side and the outer side of each coaming.
  6. 6. The base structure of claim 4 wherein said top panel includes a contiguous connection portion secured to the top of two of said base frames and an extension portion located outside of a first side of two of said base frames; the bottom of the extension part is provided with a plurality of reinforcing plates at intervals.
  7. 7. The base structure of claim 6 wherein a plurality of said reinforcing plates are disposed in one-to-one correspondence with a plurality of ribs disposed on a first side of two of said base frames; and each reinforcing plate is fixed with the corresponding rib plate, or each reinforcing plate and the corresponding rib plate are integrally formed.
  8. 8. The base structure of claim 2 wherein the bottom of each pedestal is arcuate in shape, the curvature of the arcuate being adapted to the corresponding outer circumference of the tank.
  9. 9. A marine fuel storage system comprising: A fuel tank having an axis extending in a horizontal direction, the fuel tank being for storing fuel; The base structure according to any one of claims 1 to 8, wherein the base structure is arranged on the top of the fuel tank and is provided with an operation hole; The joint is arranged on the top of the base structure, so that the joint is positioned above the fuel tank at intervals, the interior of the joint is communicated with the operation hole, and the joint, the base structure and the outer wall of the fuel tank enclose to form an airtight operation space.
  10. 10. The marine fuel storage system of claim 9 wherein the base structure is sealingly connected to the fuel tank; The joint is in sealing connection with the base structure.

Description

Marine fuel storage system and base structure thereof Technical Field The utility model relates to the technical field of fuel storage, in particular to a marine fuel storage system and a base structure thereof. Background A ship fuelled with natural gas or methanol typically has a fuel tank on the deck of the ship for storing the natural gas or methanol. At present, a joint is often arranged on a fuel tank for a ship, and natural gas or methanol is inflammable, explosive and volatile, so the joint is often a closed room to provide an airtight installation space for feeding components such as a pipe system, a valve, equipment and the like of the fuel tank. The arrangement of the joints and the connection between the tanks are related to the manufacturing flow, the use and the safety of the whole fuel system. The existing joint is often directly fixed on the fuel tank, so that the pressure and temperature in the tank can be conducted to the structure of the joint, the strength and heat preservation requirements of the joint are increased, and the production cost is increased. Disclosure of utility model The utility model aims to provide a marine fuel storage system and a base structure thereof, wherein the connection between a joint of the marine fuel storage system and a fuel tank is realized through the base structure, so that the heat preservation requirement of the joint is reduced while the use function of the joint is met, the structure of the joint is simplified, the production process flow is simplified, and the production cost is reduced. In order to achieve the above purpose, the utility model adopts the following technical scheme: According to one aspect of the present application there is provided a base structure for effecting a connection between a joint of a marine fuel storage system and a fuel tank, the axis of the tank extending in a horizontal direction; The bottom of the base structure is fixedly connected with the top of the fuel tank, and the top of the base structure is fixedly connected with the joint so that the joint is positioned above the fuel tank at intervals; The base structure is provided with an operation hole which is communicated with the inside of the joint, so that the joint, the base structure and the outer wall of the fuel tank can be enclosed to form an airtight operation space. In some embodiments, the fuel tank comprises two tanks, the radial sides of the two tanks being connected; The base structure comprises two base frames and a top plate, wherein the two base frames are arranged in one-to-one correspondence with the two tank bodies, and the bottom of each base frame is fixedly connected with the top of each tank body; The two base frames are distributed at intervals, and the joint between the opposite side surfaces of the two base frames and the two tank bodies is provided with an interval in the width direction of the fuel tank; The top plate is arranged at the tops of the two base frames, and the joint is fixed at the top of the top plate. In some embodiments, each base frame includes four coamings connected end to end in turn, and the four coamings enclose a through hole penetrating up and down; Two through holes are formed in the top plate, and each through hole is communicated with one through hole to form the operation hole. In some embodiments, a plurality of rib plates are arranged on each coaming at intervals; The top of the rib plate is fixed with the top plate. In some embodiments, the top plate protrudes outwards from the periphery of the base frame along the circumferential direction, and the inner diameter of the via hole is smaller than the inner diameter of the through hole; A plurality of rib plates are arranged at intervals on the inner side and the outer side of each coaming. In some embodiments, the top plate comprises a connecting part and an extending part, wherein the connecting part is fixed on the top of the two base frames, and the extending part is positioned outside the first side of the two base frames; the bottom of the extension part is provided with a plurality of reinforcing plates at intervals. In some embodiments, the reinforcing plates are arranged in one-to-one correspondence with the rib plates arranged on the first sides of the two base frames; and each reinforcing plate is fixed with the corresponding rib plate, or each reinforcing plate and the corresponding rib plate are integrally formed. In some embodiments, the bottom of each base frame is arc-shaped, and the radian of the arc-shaped is matched with the periphery of the corresponding tank body. According to another aspect of the present application, there is also provided a marine fuel storage system comprising: A fuel tank having an axis extending in a horizontal direction, the fuel tank being for storing fuel; The base structure according to any one of the above, wherein the base structure is arranged on the top of the fuel tank, and is provided with an operation hol