CN208041341U - Air chamber sealing device for liquid goods pipe crossing cabin - Google Patents
Air chamber sealing device for liquid goods pipe crossing cabin Download PDFInfo
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- CN208041341U CN208041341U CN201820416884.2U CN201820416884U CN208041341U CN 208041341 U CN208041341 U CN 208041341U CN 201820416884 U CN201820416884 U CN 201820416884U CN 208041341 U CN208041341 U CN 208041341U
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- pipe
- liquid goods
- gasket
- crossing cabin
- sealing plate
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Abstract
The utility model provides a kind of air chamber sealing device for liquid goods pipe crossing cabin, including crossing cabin part, crossing cabin part include branch sleeve, the first sealing plate, connecting plate, and the first sealing plate is connected in protection pipe, and connecting plate is connected on bulkhead；The outer wall of liquid goods pipe is equipped with the second sealing plate; there are spacing between second sealing plate and the end of protection pipe; the first gasket is arranged on the outer wall of branch sleeve; second sealing plate is externally provided with the second gasket; first gasket and the second gasket are connected by expansion pipe, and confined space is formed between the first sealing plate, the second sealing plate, the first gasket, the second gasket, expansion pipe, protection pipe and liquid goods pipe；It further include the source nitrogen being connected with confined space.The utility model mechanism is simple, installation and convenient disassembly and manufacture and maintenance cost are relatively low；It can avoid causing gas to leak by liquid goods pipe stress at crossing cabin is damaged by the way that confined space is arranged.
Description
Technical field
The utility model is related to liquid goods seal of tube fields, are filled more particularly to a kind of air chamber sealing for liquid goods pipe crossing cabin
It sets.
Background technology
Liquefied gas carrier is always ship by the liquefied cargo system safety of the ship of fuel, marine engineering product of liquefied gas
The each side such as factory, shipowner concern key points and difficulties, especially should be noted liquid goods pipe pass through flow container, across bulkhead when design, due to
The particularity of position may damage liquid goods pipe.
Assemble method in the prior art is as follows, and the liquid goods pipe on flow container is directly through gas supply room bulkhead, meeting
Generate following adverse effect：1, since heat is transmitted, when in liquid goods pipe by -163 DEG C of liquid goods, liquid goods pipe and bulkhead can be caused
Periphery large area freezes, to affect to structure or system etc.；2, liquid goods pipe is thermally stressed or bulkhead due to
When relative displacement occurs for deformation and flow container, it may result in that liquid goods pipe damages at crossing cabin, flow container and liquid goods pipe weld snap；
3, mechanical collision may directly contribute damage to liquid goods pipe, and gas is caused to leak, and pacify to crewman's life and health and vessel motion
Cause great threat entirely.
Functionally, this scheme does not have gas leakage monitoring function yet, if gas generates leakage, can only match by ship
The systems such as the detection of gas set are detected, and this process may require that a cycle, are unfavorable for crewman and are found dangerous situation in time.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of air chamber sealing device for liquid goods pipe crossing cabin, with gram
Take the drawbacks described above of the prior art.
To achieve the above object, the utility model provides a kind of air chamber sealing device for liquid goods pipe crossing cabin, liquid goods pipe
It is connected on flow container, the flow container is located outside, and is arranged with protection pipe on liquid goods pipe, and one end of the protection pipe is welded on described
On flow container, the other end extends to interior across bulkhead jointly with liquid goods pipe, and the air chamber sealing device for liquid goods pipe crossing cabin includes
Crossing cabin part, the crossing cabin part include the branch sleeve being set in outside the protection pipe, and one end of the branch sleeve is connected to
On one sealing plate, it is connect with connecting plate close to the position of the other end, first sealing plate is connected in the protection pipe, described
Connecting plate is connected on the bulkhead；The outer wall of the liquid goods pipe be equipped with the second sealing plate, second sealing plate with it is described
There are spacing between the end of protection pipe, it is arranged with the first gasket on the outer wall of the branch sleeve, outside second sealing plate
Equipped with the second gasket, first gasket is connected with second gasket by expansion pipe, first sealing plate,
Second sealing plate, first gasket, second gasket, the expansion pipe, the protection pipe and the liquid
Confined space is formed between goods pipe；It further include the source nitrogen being connected with the confined space.
Preferably, connection guard ring, second sealing plate are additionally provided between second sealing plate and second gasket
It is welded on the inner wall of the connection guard ring.
Preferably, the source nitrogen is connected to by air inlet pipe with confined space, and the air inlet pipe is equipped with pressure gauge and pressure
Force snesor.
Preferably, second sealing plate is equipped with female adapter, and the end of the air inlet pipe is equipped with male connection,
The male connection is connect with the female adapter.
Preferably, the both ends of the expansion pipe are tightened by bandage in first gasket and described second close respectively
On packing.
Preferably, reinforcement guard ring is additionally provided on the connecting plate, the reinforcement guard ring is set in the protection pipe.
Preferably, the outer wall of the flow container is equipped with thermal insulation layer.
Preferably, the expansion pipe is made of cloth wick polyester.
As described above, the utility model is related to the air chamber sealing device for liquid goods pipe crossing cabin, have below beneficial to effect
Fruit：The utility model mechanism is simple, installation and convenient disassembly and manufacture and maintenance cost are relatively low；By be arranged the first sealing plate,
Confined space is formed between second sealing plate, the first gasket, the second gasket, expansion pipe, protection pipe and liquid goods pipe to be kept away
Exempt from liquid goods pipe stress at crossing cabin to damage and gas is caused to leak；Even if because other situations generate leakage the utility model
Avoidable gas leaks in air or gas supply room；The utility model can reduce the heat between liquid goods pipe and bulkhead and transmit, and keep away
Exempt from that large area is caused to freeze；The utility model has haved the function that protect crewman's life security and vessel motion safety.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Component label instructions
1 flow container
11 thermal insulation layers
2 liquid goods pipes
3 protection pipes
4 bulkheads
Outside Room 41
In Room 42
5 branch sleeves
51 first sealing plates
52 connecting plates
521 reinforce guard ring
53 first gaskets
6 second sealing plates
61 second gaskets
62 connection guard rings
63 female adapters
7 expansion pipes
71 bandages
8 confined spaces
9 source nitrogens
91 air inlet pipe
92 pressure gauges
93 pressure sensors
94 male connections
Specific implementation mode
Illustrate that the embodiment of the utility model, those skilled in the art can be by these by particular specific embodiment below
Content disclosed by specification understands other advantages and effect of the utility model easily.
It should be clear that structure, ratio, size etc. depicted in this specification institute accompanying drawings, only coordinating specification to be taken off
The content shown is not limited to the enforceable restriction item of the utility model so that those skilled in the art understands and reads
Part, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing
Under the effect of the utility model can be generated and the purpose that can reach, should all still it fall in the revealed technology of the utility model
In the range of appearance can cover.Meanwhile in this specification cited such as "upper", "lower", "left", "right", " centre " term,
It is merely convenient to being illustrated for narration, rather than to limit the enforceable range of the utility model, the change of relativeness or tune
It is whole, in the case where changing technology contents without essence, when being also considered as the enforceable scope of the utility model.
As shown in Figure 1, the utility model provides a kind of air chamber sealing device for liquid goods pipe crossing cabin, liquid goods pipe 2 connects
On flow container 1, the flow container 1 is located outside, and protection pipe 3 is arranged on liquid goods pipe 2, and one end of the protection pipe 3 is welded on institute
It states on flow container 1, the other end extends to interior across bulkhead 4 jointly with liquid goods pipe 2, and protection pipe 3 is mainly used for that protection pipe 3 is avoided to exist
It is damaged when crossing cabin.
As shown in Figure 1, the air chamber sealing device for liquid goods pipe crossing cabin includes crossing cabin part, the crossing cabin part includes connector sleeve
The 5, first sealing plate 51 of cylinder and connecting plate 52, the branch sleeve 5 are set in outside the protection pipe 3, and the one of the branch sleeve 5
End is connected on the first sealing plate 51, is connect with connecting plate 52 close to the position of the other end, first sealing plate 51 is connected to
In the protection pipe 3, the connecting plate 52 is connected on the bulkhead 4, and welding may be used in the connection type of above-mentioned each component.
The outer wall of the liquid goods pipe 2 be equipped with the second sealing plate 6, between second sealing plate 6 and the end of the protection pipe 3 there are
Away from circulating between the liquid goods pipe 2 and the protection pipe 3 convenient for gas, first be arranged on the outer wall of the branch sleeve 5
Gasket 53, second sealing plate 6 are externally provided with the second gasket 61, first gasket 53 and second gasket 61
It is connected by expansion pipe 7, first sealing plate 51, second sealing plate 6, first gasket 53, described second
Confined space 8, the confined space 8 are formed between gasket 61, the expansion pipe 7, the protection pipe 3 and the liquid goods pipe 2
For air chamber sealing space, the utility model further includes the source nitrogen 9 being connected with the confined space 8, and the utility model uses
When, nitrogen is passed through into confined space 8 by source nitrogen 9, the pressure in confined space 8 is made to be more than the pressure in liquid goods pipe 8, liquid
Pressure difference can be formed inside and outside goods pipe 8, therefore, when the indoor liquid goods pipe 8 of gas generates gas leakage, gas can't be caused to leak
Into confined space 8.
As illustrated in fig. 1, it is preferred that connection guard ring 62 is additionally provided between second sealing plate 6 and second gasket 61,
Second sealing plate 6 is annular slab, and the periphery wall of annular slab is welded on the inner wall of the connection guard ring 62, annular slab it is interior
Wall is welded on the liquid goods pipe 2, and connection guard ring 62 can increase the contact area with the second gasket 61.
As illustrated in fig. 1, it is preferred that the source nitrogen 9 is connected to by air inlet pipe 91 with confined space 8, the air inlet pipe 91
It is equipped with pressure gauge 92 and pressure sensor 93, to reach gas leakage monitoring and alarm function, when pressure declines, pressure passes
Sensor 93 can send the signal to operation console immediately, so as to timely maintenance and inspection.Finally, gas chamber can also obstruct to a certain extent
Heat is transmitted, and prevents liquid goods pipe and all side bulkhead large area from freezing.Preferably, second sealing plate 6 is equipped with female adapter
63, the end of the air inlet pipe 91 is equipped with male connection 94, and the male connection 94 connects with the female adapter 63
It connects, makes nitrogen that can more reliably enter in confined space 8.
As illustrated in fig. 1, it is preferred that the both ends of the expansion pipe 7 are tightened by bandage 71 in first sealing respectively
On pad 53 and second gasket 61, it is ensured that the air chamber sealing more reliable performance of confined space 8.Preferably, the expansion connects
First 7 are made of cloth wick polyester, when liquid goods pipe is thermally stressed or bulkhead is due to deformation and flow container generation relative displacement, pass through expansion
Connector 7 can compensate.
Preferably, it is additionally provided on the connecting plate 52 and reinforces guard ring 521, the reinforcement guard ring 521 is set in the protection
On pipe 3, structural strengthening is carried out to bulkhead tapping.Preferably, the outer wall of the flow container 1 is equipped with thermal insulation layer 11.
The assembling sequence and flow of each component of the utility model are as follows：
After liquid goods pipe 2 installs, installation protection pipe 3, crossing cabin part, the first sealing plate 51, the second sealing plate 6, connection shield
Circle 62 and female adapter 63.
After flow container and gas supply room close up, first, connecting plate 52 and reinforcement guard ring 521 is freezed and finished；Secondly, peace
Fill the first gasket 53 and the second gasket 61；Finally, it after suitable position being inserted in expansion pipe 7, will be expanded with bandage 71
Connector 7 is fixed.
In conclusion the utility model effectively overcomes various shortcoming in the prior art and has high industrial exploitation value
Value.
The above embodiments are only illustrative of the principle and efficacy of the utility model, new not for this practicality is limited
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications completed under refreshing and technological thought or change, should be covered by the claim of the utility model.
Claims (8)
1. a kind of air chamber sealing device for liquid goods pipe crossing cabin, liquid goods pipe (2) is connected on flow container (1), flow container (1) position
In being arranged with protection pipe (3) on outdoor, liquid goods pipe (2), one end of the protection pipe (3) is welded on the flow container (1), another
End extends to interior across bulkhead (4) jointly with liquid goods pipe (2), which is characterized in that the air chamber sealing for liquid goods pipe crossing cabin fills
It sets including crossing cabin part, the crossing cabin part includes being set in the branch sleeve (5) of the protection pipe (3) outside, the branch sleeve (5)
One end be connected on the first sealing plate (51), connect with connecting plate (52) close to the position of the other end, first sealing plate
(51) it is connected in the protection pipe (3), the connecting plate (52) is connected on the bulkhead (4)；Outside the liquid goods pipe (2)
Wall is equipped with the second sealing plate (6), and there are spacing, the companies between second sealing plate (6) and the end of the protection pipe (3)
The first gasket (53) is arranged on the outer wall of female connector cylinder (5), second sealing plate (6) is externally provided with the second gasket (61),
First gasket (53) and second gasket (61) are connected by expansion pipe (7), first sealing plate (51),
It is second sealing plate (6), first gasket (53), second gasket (61), the expansion pipe (7), described
Confined space (8) is formed between protection pipe (3) and the liquid goods pipe (2)；Further include the nitrogen being connected with the confined space (8)
Air source (9).
2. the air chamber sealing device according to claim 1 for liquid goods pipe crossing cabin, it is characterised in that：Second sealing
It is additionally provided between plate (6) and second gasket (61) and connect guard ring (62), second sealing plate (6) is welded on the connection
On the inner wall of guard ring (62).
3. the air chamber sealing device according to claim 1 for liquid goods pipe crossing cabin, it is characterised in that：The source nitrogen
(9) it is connected to confined space (8) by air inlet pipe (91), the air inlet pipe (91) is equipped with pressure gauge (92) and pressure sensor
(93)。
4. the air chamber sealing device according to claim 3 for liquid goods pipe crossing cabin, it is characterised in that：Second sealing
Plate (6) is equipped with female adapter (63), and the end of the air inlet pipe (91) is equipped with male connection (94), and the external screw thread connects
Head (94) is connect with the female adapter (63).
5. the air chamber sealing device according to claim 1 for liquid goods pipe crossing cabin, it is characterised in that：The expansion pipe
(7) both ends are tightened by bandage (71) on first gasket (53) and second gasket (61) respectively.
6. the air chamber sealing device according to claim 1 for liquid goods pipe crossing cabin, it is characterised in that：The connecting plate
(52) it is additionally provided on and reinforces guard ring (521), the reinforcement guard ring (521) is set in the protection pipe (3).
7. the air chamber sealing device according to claim 1 for liquid goods pipe crossing cabin, it is characterised in that：The flow container (1)
Outer wall be equipped with thermal insulation layer (11).
8. the air chamber sealing device according to claim 1 for liquid goods pipe crossing cabin, it is characterised in that：The expansion pipe
(7) it is made of cloth wick polyester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820416884.2U CN208041341U (en) | 2018-03-26 | 2018-03-26 | Air chamber sealing device for liquid goods pipe crossing cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820416884.2U CN208041341U (en) | 2018-03-26 | 2018-03-26 | Air chamber sealing device for liquid goods pipe crossing cabin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208041341U true CN208041341U (en) | 2018-11-02 |
Family
ID=63945264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820416884.2U Active CN208041341U (en) | 2018-03-26 | 2018-03-26 | Air chamber sealing device for liquid goods pipe crossing cabin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208041341U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519698A (en) * | 2019-01-24 | 2019-03-26 | 国鸿液化气机械工程（大连）有限公司 | Gas chamber connection structure and c-type storage tank peculiar to vessel |
| CN115432139A (en) * | 2022-07-26 | 2022-12-06 | 沪东中华造船(集团)有限公司 | Method for installing deck penetrating piece in air bag tube of liquid cargo tank on LNG transport ship |
| CN115560248A (en) * | 2022-12-08 | 2023-01-03 | 招商局金陵船舶(威海)有限公司 | Marine liquefied natural gas filling channel connecting structure and connecting method |
| CN115432139B (en) * | 2022-07-26 | 2024-06-11 | 沪东中华造船(集团)有限公司 | Installation method of deck penetrating piece in cargo tank airbag tube of LNG transport ship |
-
2018
- 2018-03-26 CN CN201820416884.2U patent/CN208041341U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519698A (en) * | 2019-01-24 | 2019-03-26 | 国鸿液化气机械工程（大连）有限公司 | Gas chamber connection structure and c-type storage tank peculiar to vessel |
| CN115432139A (en) * | 2022-07-26 | 2022-12-06 | 沪东中华造船(集团)有限公司 | Method for installing deck penetrating piece in air bag tube of liquid cargo tank on LNG transport ship |
| CN115432139B (en) * | 2022-07-26 | 2024-06-11 | 沪东中华造船(集团)有限公司 | Installation method of deck penetrating piece in cargo tank airbag tube of LNG transport ship |
| CN115560248A (en) * | 2022-12-08 | 2023-01-03 | 招商局金陵船舶(威海)有限公司 | Marine liquefied natural gas filling channel connecting structure and connecting method |
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| GR01 | Patent grant |