CN214662570U - LNG dual fuel pipeline heat-insulating watertight flexible cabin penetrating device - Google Patents

LNG dual fuel pipeline heat-insulating watertight flexible cabin penetrating device Download PDF

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Publication number
CN214662570U
CN214662570U CN202120884773.6U CN202120884773U CN214662570U CN 214662570 U CN214662570 U CN 214662570U CN 202120884773 U CN202120884773 U CN 202120884773U CN 214662570 U CN214662570 U CN 214662570U
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China
Prior art keywords
expansion joint
watertight
pipeline
fuel pipeline
seat plate
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CN202120884773.6U
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Chinese (zh)
Inventor
蒋永旭
朱刚
田正军
吉春正
李晨
金滔
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China Merchants Industrial Technology Shanghai Co ltd
China Merchants Jinling Shipping Nanjing Co ltd
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China Merchants Cruise Research Institute Shanghai Co Ltd
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Abstract

The utility model provides a LNG dual fuel pipeline heat insulation watertight flexible penetration device, the bulkhead at the watertight airtight position is provided with a hole for the LNG dual fuel pipeline to penetrate, the hole is in the inner circle range of an expansion joint flange, the bulkhead connecting seat board is arranged on the bulkhead at the watertight airtight position around the hole, the LNG dual fuel pipeline near the watertight airtight position is sleeved with an expansion joint, the expansion joint comprises an expansion joint body and expansion joint flanges at two ends of the expansion joint body, and the expansion joint connecting flange near the watertight airtight position is connected with the bulkhead connecting seat board; and a pipeline connecting seat plate is arranged on the LNG dual-fuel pipeline outside the expansion joint connecting flange at the end far away from the watertight and airtight position, and the expansion joint connecting flange at the end is connected with the pipeline connecting seat plate. The utility model discloses a flexible cabin device of wearing of LNG double fuel piping heat-proof watertight has both guaranteed the watertight, has realized flexible compensation again to can completely cut off the conduction of cold and hot medium to the bulkhead face, the specially adapted high low temperature occasion.

Description

LNG dual fuel pipeline heat-insulating watertight flexible cabin penetrating device
Technical Field
The utility model belongs to the technical field of shipbuilding, in particular to LNG double fuel piping heat-proof watertight flexibility wears cabin device.
Background
The LNG dual-fuel pipeline arrangement often needs to penetrate through a cabin/wall face of a steel structure, although the water tightness can be guaranteed through traditional direct welding or sleeve welding, if high-temperature or low-temperature media flow through the pipes, heat transfer can be carried out on the cabin/wall face, the structural strength of the cabin/wall face is reduced, cold brittleness can be caused at low temperature seriously, the pipes expand with heat and contract with cold, and large stress can be formed at the welding position due to mechanical vibration, so that the welding structure is damaged greatly. Therefore, a design that can ensure water tightness and insulate heat and cold conduction and can compensate flexibility is required to solve the problem.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model provides a cabin device is worn to LNG double fuel piping heat insulation watertight flexibility has both guaranteed the watertight, has realized flexible compensation again to can completely cut off cold and hot medium to the conduction of bulkhead face, specially adapted high low temperature occasion, single wall, double-walled, vacuum tube all can use.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an LNG dual-fuel pipeline heat-insulation watertight flexible cabin penetrating device comprises a watertight and airtight place and an LNG dual-fuel pipeline, wherein a wall plate of the watertight and airtight place is provided with an opening through which the LNG dual-fuel pipeline penetrates, the distance between the upper side and the lower side of the opening is larger than the diameter of the LNG dual-fuel pipeline, one end of the LNG dual-fuel pipeline penetrates through the opening and extends into the watertight and airtight place, a cabin wall connecting seat plate is arranged on a cabin wall of the watertight and airtight place around the opening, an expansion joint is sleeved on the LNG dual-fuel pipeline close to one end of the watertight and airtight place and comprises an expansion joint body and expansion joint flanges located at two ends of the expansion joint body, and the expansion joint connecting flange close to one end of the watertight and airtight place is connected with the cabin wall connecting seat plate; the LNG dual-fuel pipeline at the outer side of the expansion joint connecting flange far away from the end with the watertight and airtight properties is provided with a pipeline connecting seat plate, the expansion joint connecting flange at the end is connected with the pipeline connecting seat plate, and the opening is formed in the inner circle range of the expansion joint flange.
Further, a heat insulation gasket sleeved on the LNG dual-fuel pipeline is arranged between the bulkhead connecting seat plate and an expansion joint connecting flange connected with the bulkhead connecting seat plate; and a heat insulation gasket sleeved on the LNG dual-fuel pipeline is arranged between the pipeline connecting seat plate and an expansion joint connecting flange connected with the pipeline connecting seat plate.
Furthermore, the bulkhead connection base plate is connected with the expansion joint connection flange through a fastening bolt, and the pipeline connection base plate is connected with the expansion joint connection flange through a fastening bolt.
Furthermore, the opening is a circular opening, the diameter of the opening is larger than that of the LNG dual-fuel pipeline and smaller than the diameter of the inner circle of the expansion joint flange, and the opening, the LNG dual-fuel pipeline and the expansion joint flange are coaxially arranged.
Furthermore, the bulkhead connecting seat plate is in a circular ring shape, and the diameter of the expansion joint flange of the inner circle of the bulkhead connecting seat plate is the same as that of the expansion joint flange and is coaxially arranged with the expansion joint flange.
Furthermore, the bulkhead connection base plate is connected with the wall plate at the watertight and airtight position through welding, and the pipeline connection base plate is connected with the LNG dual-fuel pipeline through welding.
The utility model discloses a flexible cabin device of wearing of LNG double fuel piping heat-proof watertight, through set up the trompil that the size is greater than LNG double fuel piping size on the airtight bulkhead of watertight, will adopt LNG double fuel piping to wear to establish in the expansion joint, expansion joint one end and bulkhead fixed connection, the other end is connected with LNG double fuel piping, realizes under the condition that LNG double fuel piping is not bulkhead contact, is connected LNG double fuel piping and watertight airtight department, and flange joint through the expansion joint both sides constitutes airtight space, and is through using adiabatic gasket isolated heat-conduction, the utility model discloses a cabin device is worn to LNG double fuel piping heat-proof watertight flexibility simple structure has thermal-insulated simultaneously, watertight, flexible triple characteristics, uses very extensively.
Drawings
Fig. 1 is a structural section view of an LNG dual-fuel pipeline heat-insulating watertight flexible cabin penetrating device according to the present invention;
fig. 2 is a node diagram of a conventional LNG dual fuel pipeline crossing the tank.
The system comprises a water-tight airtight place, a 2-LNG dual-fuel pipeline, a 3-bulkhead connection base plate, a 4-expansion joint, a 5-pipeline connection base plate, a 6-heat insulation gasket, a 7-fastening bolt, an 11-hole, a 12-wall plate, a 41-expansion joint body and a 42-expansion joint flange.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the heat-insulating watertight flexible cabin penetrating device for the LNG dual-fuel pipeline comprises a watertight and airtight place 1 and an LNG dual-fuel pipeline 2, wherein a wall plate 12 of the watertight and airtight place 1 is provided with an opening 11 through which the LNG dual-fuel pipeline 2 penetrates, the opening 11 is a circular opening, one end of the LNG dual-fuel pipeline 2 extends into the watertight and airtight place 1 through the opening 11, a bulkhead connecting seat plate 3 is arranged on a bulkhead of the watertight and airtight place 1 on the periphery of the opening 11, the bulkhead connecting seat plate 3 is in a circular ring shape, an expansion joint 4 is sleeved on the LNG pipeline 2 at one end close to the watertight and airtight place 1, the expansion joint 4 comprises an expansion joint body 41 and expansion joint flanges 42 positioned at two ends of the expansion joint body 41, and the expansion joint connecting flange 42 at one end close to the watertight and airtight place 1 is connected with the bulkhead connecting seat plate 3; the LNG dual-fuel pipeline 2 at the outer side of an expansion joint connecting flange 42 at one end far away from a watertight and airtight place 1 is provided with a pipeline connecting seat plate 5, the expansion joint connecting flange 42 at the end is connected with the pipeline connecting seat plate 5, an opening hole 11, a bulkhead connecting seat plate 3, the LNG dual-fuel pipeline 2 and an expansion joint 4 are arranged in a concentric shaft mode, the diameter of an expansion joint flange 41 with the diameter of the inner circle of the bulkhead connecting seat plate 3 is the same, and the diameter of the opening hole 11 is larger than that of the LNG dual-fuel pipeline 2 and smaller than that of the inner circle of the expansion joint flange 41; a heat insulation gasket 6 sleeved on the LNG dual-fuel pipeline 2 is arranged between the bulkhead connection seat plate 3 and an expansion joint connection flange 42 connected with the bulkhead connection seat plate; a heat insulation gasket 6 sleeved on the LNG dual-fuel pipeline 2 is arranged between the pipeline connecting seat plate 5 and an expansion joint connecting flange 42 connected with the pipeline connecting seat plate; the bulkhead connecting seat plate 3 is connected with the expansion joint connecting flange 42 through a fastening bolt 7, and the pipeline connecting seat plate 5 is connected with the expansion joint connecting flange 42 through the fastening bolt 7; the bulkhead connection seat plate 3 is connected with a wall plate 12 of the watertight and airtight place 1 through welding, and the pipeline connection seat plate 5 is connected with the LNG dual-fuel pipeline 2 through welding.
The above is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention should be regarded as the protection scope of the present invention for those skilled in the art.

Claims (6)

1. An LNG dual-fuel pipeline heat-insulation watertight flexible cabin penetrating device comprises a watertight and airtight place and an LNG dual-fuel pipeline, and is characterized in that a wall plate of the watertight and airtight place is provided with an opening through which the LNG dual-fuel pipeline penetrates, the distance between the upper edge and the lower edge of the opening is larger than the diameter of the LNG dual-fuel pipeline, one end of the LNG dual-fuel pipeline penetrates through the opening and extends into the watertight and airtight place, a bulkhead connecting seat plate is arranged on the bulkhead of the watertight and airtight place around the opening, an expansion joint is sleeved on the LNG dual-fuel pipeline close to one end of the watertight and airtight place and comprises an expansion joint body and expansion joint flanges located at two ends of the expansion joint body, and the expansion joint flange close to one end of the watertight and airtight place is connected with the bulkhead connecting seat plate; the LNG dual-fuel pipeline at the outer side of the expansion joint connecting flange far away from the end with the watertight and airtight properties is provided with a pipeline connecting seat plate, the expansion joint connecting flange at the end is connected with the pipeline connecting seat plate, and the opening is formed in the inner circle range of the expansion joint flange.
2. The LNG dual-fuel pipeline heat-insulating watertight flexible cabin penetrating device as claimed in claim 1, wherein a heat-insulating gasket sleeved on the LNG dual-fuel pipeline is arranged between the cabin wall connecting seat plate and an expansion joint connecting flange connected with the cabin wall connecting seat plate; and a heat insulation gasket sleeved on the LNG dual-fuel pipeline is arranged between the pipeline connecting seat plate and an expansion joint connecting flange connected with the pipeline connecting seat plate.
3. An LNG dual-fuel pipeline heat-insulating watertight flexible cabin penetrating device as claimed in claim 1, characterized in that the cabin wall connection seat plate and an expansion joint connection flange connected with the cabin wall connection seat plate are connected through fastening bolts, and the pipeline connection seat plate and the expansion joint connection flange connected with the pipeline connection seat plate are connected through fastening bolts.
4. The LNG dual-fuel pipeline heat-insulating watertight flexible cabin penetrating device as claimed in claim 1, wherein the opening is a circular opening, the diameter of the opening is larger than that of the LNG dual-fuel pipeline and smaller than that of an inner circle of the expansion joint flange, and the opening, the LNG dual-fuel pipeline and the expansion joint flange are coaxially arranged.
5. An LNG dual-fuel pipeline heat-insulating watertight flexible cabin penetrating device as claimed in claim 4, characterized in that the bulkhead connection base plate is in a circular ring shape, and the diameter of an inner circle of the bulkhead connection base plate is the same as that of an expansion joint flange and is arranged coaxially with the expansion joint flange.
6. The LNG dual-fuel pipeline heat-insulating watertight flexible cabin penetrating device is characterized in that the cabin wall connecting seat plate is connected with a wall plate at a watertight and airtight position through welding, and the pipeline connecting seat plate is connected with the LNG dual-fuel pipeline through welding.
CN202120884773.6U 2021-04-27 2021-04-27 LNG dual fuel pipeline heat-insulating watertight flexible cabin penetrating device Active CN214662570U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120884773.6U CN214662570U (en) 2021-04-27 2021-04-27 LNG dual fuel pipeline heat-insulating watertight flexible cabin penetrating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120884773.6U CN214662570U (en) 2021-04-27 2021-04-27 LNG dual fuel pipeline heat-insulating watertight flexible cabin penetrating device

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CN214662570U true CN214662570U (en) 2021-11-09

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113007452A (en) * 2021-04-27 2021-06-22 招商局邮轮研究院(上海)有限公司 LNG dual fuel pipeline heat-insulating watertight flexible cabin penetrating device
CN114248903A (en) * 2021-12-08 2022-03-29 中航西安飞机工业集团股份有限公司 Airtight cabin-penetrating driving mechanism and using method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113007452A (en) * 2021-04-27 2021-06-22 招商局邮轮研究院(上海)有限公司 LNG dual fuel pipeline heat-insulating watertight flexible cabin penetrating device
CN114248903A (en) * 2021-12-08 2022-03-29 中航西安飞机工业集团股份有限公司 Airtight cabin-penetrating driving mechanism and using method thereof
CN114248903B (en) * 2021-12-08 2023-07-21 中航西安飞机工业集团股份有限公司 Airtight cabin penetrating driving mechanism and use method

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GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20231212

Address after: 201306 room 207, building 15, Lane 218, Haiji 6th Road, Lingang New District, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai

Patentee after: China Merchants cruise Research Institute (Shanghai) Co.,Ltd.

Patentee after: China Merchants Jinling shipping (Nanjing) Co.,Ltd.

Address before: 201306 room 207, building 15, Lane 218, Haiji 6th Road, Lingang New District, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai

Patentee before: China Merchants cruise Research Institute (Shanghai) Co.,Ltd.

CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: 201306 room 207, building 15, Lane 218, Haiji 6th Road, Lingang New Area, pilot Free Trade Zone, Pudong New Area, Shanghai

Patentee after: China Merchants Industrial Technology (Shanghai) Co.,Ltd.

Country or region after: China

Patentee after: China Merchants Jinling shipping (Nanjing) Co.,Ltd.

Address before: 201306 room 207, building 15, Lane 218, Haiji 6th Road, Lingang New District, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai

Patentee before: China Merchants cruise Research Institute (Shanghai) Co.,Ltd.

Country or region before: China

Patentee before: China Merchants Jinling shipping (Nanjing) Co.,Ltd.