CN218626396U - Connection structure and LNG fuel storage device - Google Patents
Connection structure and LNG fuel storage device Download PDFInfo
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- CN218626396U CN218626396U CN202223004570.7U CN202223004570U CN218626396U CN 218626396 U CN218626396 U CN 218626396U CN 202223004570 U CN202223004570 U CN 202223004570U CN 218626396 U CN218626396 U CN 218626396U
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- ring
- cold box
- connection
- storage tank
- connecting ring
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Abstract
The utility model discloses a connection structure and LNG fuel storage device belongs to LNG fuel and stores technical field. The connection structure includes: a connecting ring; the inner ring of the connecting ring is sleeved on the seal head of the storage tank and fixedly connected with the seal head, and the outer ring of the connecting ring is fixedly connected with the cold box. The utility model discloses connection structure and LNG fuel storage device are convenient for connect storage tank and cold box.
Description
Technical Field
The utility model relates to a, in particular to connection structure and LNG fuel storage device.
Background
Marine LNG fuel tanks are usually provided with cold boxes (head joints) for arranging piping systems for filling, gasification, pressurization, etc. of the fuel supply system. The cold box is fixed on the storage tank by welding, so that a closed space is formed inside the cold box.
However, in the prior art, the cold box is not easily connected to the storage tank.
SUMMERY OF THE UTILITY MODEL
The utility model provides a connection structure and LNG fuel storage device has solved or has partially solved the technical problem that the cold box is not convenient for be connected with the storage tank among the prior art.
In order to solve the technical problem, the utility model provides a connection structure for connect storage tank and cold box, connection structure includes: a connecting ring; the inner ring of the connecting ring is sleeved on the end socket of the storage tank and is fixedly connected with the end socket, and the outer ring of the connecting ring is fixedly connected with the cold box.
Further, the connecting ring is coaxial with the end socket.
Further, the inner diameter of the connecting ring is matched with the outer diameter of the end face, close to the storage tank, of the seal head.
Further, the ratio of the width of the connecting ring to the length of the seal head is 1:2-1:4.
Further, the connection structure further includes: a reinforcement ring; the inner ring of the reinforcing ring is sleeved on the seal head of the storage tank and fixedly connected with the seal head, and the outer ring of the reinforcing ring is fixedly connected with the connecting ring.
Furthermore, the end parts of the reinforcing ring and the connecting ring, which are deviated from the cold box, are respectively arranged on two sides of the connection part of the connecting ring and the cold box.
Further, the distance between the reinforcement ring and the end of the connection ring facing away from the cold box is greater than or equal to half the width of the connection ring.
Further, the number of the reinforcement rings is plural.
Based on the same utility model design, this application still provides an LNG fuel storage device, include connection structure.
Further, the LNG fuel storage apparatus further includes: a storage tank and a cold box; the end socket of the storage tank is fixedly connected with the inner ring sleeve of the connecting ring, and the cold box is fixedly connected with the outer ring of the connecting ring.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
in the prior art, in order to realize the connection between the storage tank and the cold box, the following three schemes are generally adopted:
scheme one, the cold box beading is on jar external closing head, but, need install the cold box before the jar body vacuum of storage tank forms, and the vacuum is destroyed because of the welding causes the leak source easily to install after the vacuum forms, and installs in advance and cause the pipeline installation difficulty because of the space restriction behind the cold box.
Scheme two, with the cold box along stretching to the shell barrel, set up a whole circle backing plate on outer barrel for connect the cold box to set up the fixed stay point of cold box frame on the outer head, however, the backing plate on the head curved surface takes shape the difficulty, and the backing plate installation back warp great, and the welding with the cold box support of making needs a large amount of on-the-spot repairments, is unfavorable for convenient installation.
The third scheme is that the cold box part extends to the shell barrel, the part extends on the outer sealing head, the base plate is arranged at the joint to connect the cold box and the tank body, however, the base plate on the curved surface of the sealing head is difficult to form, the deformation of the base plate after installation is large, a large amount of field repair is needed for welding with the manufactured cold box support, and the convenient installation is not facilitated.
And this application because the inner circle cover of go-between locates on the head of storage tank to with head fixed connection, the outer lane and the cold box fixed connection of go-between, so, the head of storage tank passes through the go-between and is connected with the cold box, need not install the cold box before storage tank body vacuum forms, has reduced the weight of cold box, need not prepare the backing plate on the head space curved surface, the storage tank of being convenient for and the cold box are connected, shorten repair and installation time.
Drawings
FIG. 1 is a schematic view of the connection between a cold box and a seal head in a second prior art;
FIG. 2 is a schematic view of the connection between a cold box and a seal head in a third prior art scheme;
fig. 3 is a schematic structural diagram of a connection structure according to an embodiment of the present invention;
fig. 4 is an enlarged schematic view of the connection structure at a in fig. 1.
Detailed Description
Referring to fig. 3-4, an embodiment of the present invention provides a connection structure for connecting a storage tank 1 and a cold box 2, the connection structure includes: and a connecting ring 3.
The inner ring of the connecting ring 3 is sleeved on the seal head 4 of the storage tank 1 and is fixedly connected with the seal head 4, and the outer ring of the connecting ring 3 is fixedly connected with the cold box 2.
In the prior art, in order to connect the storage tank 1 and the cold box 2, the following three schemes are generally adopted:
scheme one, the cold box beading is on jar external closing head, but, need install the cold box before the jar body vacuum of storage tank forms, and the vacuum is destroyed because of the welding causes the leak source easily to install after the vacuum forms, and installs in advance and cause the pipeline installation difficulty because of the space restriction behind the cold box.
Referring to fig. 1, according to a second scheme, the cold box is stretched to the shell cylinder, a whole circle of base plate is arranged on the outer cylinder and used for connecting the cold box, and a fixed supporting point of a cold box frame is arranged on the outer end enclosure.
Referring to the figure, in the third scheme, the cold box extends partially to the shell barrel, the cold box extends partially to the outer end enclosure, and the base plate is arranged at the joint to connect the cold box and the tank body.
And this application because the inner circle cover of go-between 3 locates on the head 4 of storage tank 1, and with head 4 fixed connection, go-between 3's outer lane and 2 fixed connection of cold box, so, the head 4 of storage tank 1 passes through go-between 3 to be connected with cold box 2, need not install cold box 2 before 1 jar of body vacuum of storage tank forms, the weight of cold box 2 has been reduced, need not prepare the backing plate on head 4 upper space curved surface, be convenient for storage tank 1 and cold box 2 connect, shorten repair and installation time.
In the embodiment, the inner ring of the connecting ring 3 is welded with the end enclosure 4, so that the connecting ring 3 and the end enclosure 4 are firmly connected. The outer ring of the connecting ring 3 is welded with the cold box 2, so that the connecting ring 3 is firmly connected with the cold box 2.
In the present embodiment, the material of the connection ring 3 may be cast iron, steel, or other metal.
In the present embodiment, the head 4 has a circular truncated cone shape.
Specifically, the connecting ring 3 is coaxial with the end enclosure 4, so that the connecting ring 4 can be tightly attached to the outer wall of the end enclosure 4, and meanwhile, the appearance is ensured to be attractive.
Specifically, the internal diameter of go-between 3 and the head 4 are close to the external diameter phase-match of the terminal surface of storage tank 1, guarantee that go-between 4 can closely laminate with the outer wall of head 4, simultaneously, can guarantee beautifully.
Specifically, the ratio of the width of the connecting ring 3 to the length of the end enclosure 4 is 1:2-1:4, so that the connecting ring 3 is conveniently overlapped with the cold box 2, and meanwhile, the arrangement of subsequent equipment is facilitated.
Specifically, the connection structure further includes: a reinforcement ring 5.
The inner ring of the reinforcing ring 5 is sleeved on the seal head 4 of the storage tank 1 and fixedly connected with the seal head 4, the outer ring of the reinforcing ring 5 is fixedly connected with the connecting ring 3, the structural strength of the connecting ring 3 is guaranteed through the reinforcing ring 5, and the connecting ring 3 is firmly connected with the cold box 2 and the seal head 4.
In the embodiment, the inner ring of the reinforcing ring 5 is welded with the end socket 4, so that the reinforcing ring 5 and the end socket 4 are firmly connected. The outer ring of the reinforcing ring 5 is welded with the connecting ring 3, so that the reinforcing ring 5 is firmly connected with the connecting ring 3.
In the present embodiment, the material of the reinforcement ring 5 may be a metal such as cast iron or steel.
Specifically, the reinforcing ring 5 is coaxial with the end socket 4, so that the reinforcing ring 5 can be tightly attached to the end socket 4, and meanwhile, the appearance is ensured to be attractive.
Specifically, the end portions of the reinforcing ring 5 and the connecting ring 3, which deviate from the cold box 2, are respectively arranged on two sides of the joint of the connecting ring 3 and the cold box 2, so that the reinforcing ring 5 can support the cold box 2, the structural strength of the connecting ring 3 is guaranteed, and the connecting ring 3 is firmly connected with the cold box 2 and the seal head 4.
Specifically, the distance between the end parts of the reinforcing ring 5 and the connecting ring 3 which deviate from the cold box 2 is larger than or equal to half of the width of the connecting ring 3, so that the reinforcing ring 5 is conveniently welded on the connecting ring 3 and the seal head 4, meanwhile, the reinforcing ring 5 is ensured to support the cold box 2, the structural strength of the connecting ring 3 is ensured, and the connecting ring 3 is ensured to be firmly connected with the cold box 2 and the seal head 4.
Specifically, the number of the reinforcing rings 5 is multiple, so that the supporting strength of the reinforcing rings 5 on the connecting ring 3 can be ensured, the structural strength of the connecting ring 3 is ensured, and the connecting ring 3 is firmly connected with the cold box 2 and the end enclosure 4.
Based on same utility model conceive, this application still provides a LNG fuel storage device, and this LNG fuel storage device has adopted connection structure, and this connection structure's concrete structure refers to above-mentioned embodiment, owing to adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is not repeated here one by one again.
Specifically, the LNG fuel storage apparatus further includes: a storage tank 1 and a cold box 2.
The seal head 4 of the storage tank 1 is fixedly connected with the inner ring sleeve of the connecting ring 3, and the cold box 2 is fixedly connected with the outer ring of the connecting ring 3.
And this application is because the head 4 of storage tank 1 and the inner circle fixed connection of go-between 3, the outer lane fixed connection of cold box 2 and go-between 3, so, the head 4 of storage tank 1 passes through go-between 3 and is connected with cold box 2, need not install cold box 2 before 1 jar body vacuum of storage tank forms, reduced the weight of cold box 2, need not prepare the backing plate on head 4 space curved surface, the storage tank 1 of being convenient for is connected with cold box 2, shorten repair and installation time.
In the embodiment, the end socket 4 is welded with the inner ring of the connecting ring 3, so that the connecting ring 3 and the end socket 4 are firmly connected. The cold box 2 is welded with the outer ring of the connecting ring 3, so that the connecting ring 3 is firmly connected with the cold box 2.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (10)
1. A connection structure for connecting a storage tank and a cold box, the connection structure comprising: a connecting ring;
the inner ring of the connecting ring is sleeved on the seal head of the storage tank and fixedly connected with the seal head, and the outer ring of the connecting ring is fixedly connected with the cold box.
2. The connection structure according to claim 1, wherein the connection ring is coaxial with the header.
3. The connection according to claim 1, wherein the inner diameter of the connection ring matches the outer diameter of the end face of the head near the tank.
4. The connection structure of claim 1, wherein a ratio of a width of the connection ring to a length of the head is 1:2-1:4.
5. The connecting structure according to claim 1, further comprising: a reinforcement ring;
the inner ring of the reinforcing ring is sleeved on the seal head of the storage tank and fixedly connected with the seal head, and the outer ring of the reinforcing ring is fixedly connected with the connecting ring.
6. The connection structure according to claim 5, wherein ends of the reinforcement ring and the connection ring facing away from the cold box are respectively provided on both sides of a connection point of the connection ring with the cold box.
7. The connection according to claim 5, characterized in that the spacing between the reinforcement ring and the end of the connection ring facing away from the cold box is greater than or equal to half the width of the connection ring.
8. The connecting structure according to claim 5, wherein the number of the reinforcing rings is plural.
9. An LNG fuel storage device, characterized by comprising a connection structure according to any one of claims 1-8.
10. The LNG fuel storage device of claim 9, further comprising: a storage tank and a cold box;
the end socket of the storage tank is fixedly connected with the inner ring sleeve of the connecting ring, and the cold box is fixedly connected with the outer ring of the connecting ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223004570.7U CN218626396U (en) | 2022-11-11 | 2022-11-11 | Connection structure and LNG fuel storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223004570.7U CN218626396U (en) | 2022-11-11 | 2022-11-11 | Connection structure and LNG fuel storage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218626396U true CN218626396U (en) | 2023-03-14 |
Family
ID=85446682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223004570.7U Active CN218626396U (en) | 2022-11-11 | 2022-11-11 | Connection structure and LNG fuel storage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218626396U (en) |
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2022
- 2022-11-11 CN CN202223004570.7U patent/CN218626396U/en active Active
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