CN218124197U - Separation penetrating device for cable pipeline of LNG tank under severe sea condition - Google Patents
Separation penetrating device for cable pipeline of LNG tank under severe sea condition Download PDFInfo
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- CN218124197U CN218124197U CN202221775988.5U CN202221775988U CN218124197U CN 218124197 U CN218124197 U CN 218124197U CN 202221775988 U CN202221775988 U CN 202221775988U CN 218124197 U CN218124197 U CN 218124197U
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Abstract
The utility model belongs to the technical field of boats and ships, concretely relates to LNG gas pitcher cable line's under abominable sea condition separation runs through device. The cable pipe joint blind flange welding device comprises a first cable pipe, a second cable pipe, a compression type cable isolation assembly, a cable pipe joint blind flange and a lap welding flange; the first cable tube is internally provided with at least two cables; the compression type cable isolation assembly is arranged in the cable pipe connector blind flange and comprises at least two cable installation modules and a compression piece, and at least two cables respectively penetrate through the at least two cable installation modules and are compressed by the compression piece; the cable installation module is hermetically connected with the cable; the cable pipe connector blind flange is connected with the lap welding flange so as to connect the adjacent first cable pipe and the second cable pipe. The utility model discloses even realize under abominable sea condition, also can guarantee that each cable fastening is good in the LNG gas pitcher cable duct, completely isolated sea water's entering to can completely isolate explosive hazardous gas and get into cable duct.
Description
Technical Field
The utility model belongs to the technical field of boats and ships, concretely relates to LNG gas pitcher cable line's under abominable sea condition separation runs through device.
Background
The cable in the deck area of the ship, which requires mechanical protection by the specification, is generally laid in the open air by adopting a scheme of a cable transition box and a cable tube. Under severe sea conditions, the hull structure can deform under the action of sea wave surge, but the cable pipe is a rigid structure, so that an expansion joint is reserved between the common cable pipe and the cable pipe to adapt to the influence of the deformation of the hull in sea water on the cable pipeline, but the expansion joints cannot provide enough protection level under severe sea conditions.
For deck-surface precision instruments or systems, ordinary mechanical protection alone is not sufficient, and some systems require complete insulation and secure protection. For example, in recent years, the market share of increasingly exploded LNG powered ships is rising because the natural clean energy advantage of the ships meets the tierli emission standard of the international maritime organization and the pollution prevention regulations of governments of various countries, and more shipowners and shipyards take the natural clean energy advantage as the final choice. A gas tank TCS device of the LNG system for storage, monitoring, control and transmission is generally located on a deck surface, and is far away from a host machine, and precise cables need to be laid on the deck surface. The natural gas has the characteristics of flammability, explosiveness and easiness in leakage, so that the LNG system has extremely high safety requirements, and the cable pipeline of the LNG system also has the protection characteristics of seawater salt mould corrosion prevention and natural gas leakage prevention besides mechanical protection.
The existing cable protection scheme can not meet the protection requirements of the cable of the precision equipment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a LNG gas pitcher cable duct's separation runs through device under adverse sea condition realizes even under adverse sea condition, also can guarantee that each cable fastening is good in the LNG gas pitcher cable duct, completely isolates the entering of sea water to can completely isolate explosive hazardous gas and get into cable duct.
To achieve the purpose, the utility model adopts the following technical proposal:
a separation penetration device for a cable pipeline of an LNG tank under severe sea conditions comprises a first cable pipe, a second cable pipe, a compression type cable isolation assembly, a cable pipe connector blind flange and a lap welding flange; the first cable tube is internally provided with at least two cables; the compression type cable isolation assembly is arranged in the cable pipe connector blind flange and comprises at least two cable installation modules and a compression piece, and at least two cables respectively penetrate through the at least two cable installation modules and are compressed by the compression piece; the cable installation module is connected with the cable in a sealing way; the cable pipe connector blind flange is connected with the lap welding flange so as to connect the adjacent first cable pipe and the second cable pipe.
Preferably, in the above-mentioned divided penetration device of the cable line of the LNG-tank under rough sea conditions, the compression-type cable insulation assembly includes a frame, and the at least two cable installation modules and the compression member are disposed in the frame.
Preferably, in the above described divided penetration device of the cable line of the LNG-tank under rough sea conditions, the frame is a circular frame.
Preferably, in the above described separation penetration device for a cable pipeline of an LNG tank under severe sea conditions, the frame is made of stainless steel, and is welded to the cable pipe connection port blind flange.
Preferably, in the above described divided penetration arrangement of the cable conduit of the LNG-tank under rough sea conditions, the compression-type cable insulation assembly further comprises a bulkhead by which the cable installation modules of adjacent rows are separated.
Preferably, in the above-described divided penetration device of the cable line of the LNG-tank under severe sea conditions, the inner wall of the frame is coated with lubricating oil.
Preferably, in the above described divided penetration device of the cable line of the LNG tank under severe sea conditions, the inner surface and the side surface of the cable installation module are coated with lubricating oil.
Preferably, in the above described divided penetration of the cable line of the LNG tank under severe sea conditions, the first cable pipe leads out from the TCS area of the tank.
Preferably, in the above-mentioned separation penetration device for the cable line of the LNG-tank under severe sea conditions, at least two of the cables have different diameters, and at least two of the cable installation modules have a one-to-one correspondence in size with at least two of the cables.
Preferably, in the above-mentioned separation penetration device for a cable pipeline of an LNG tank under severe sea conditions, the cable pipe connection port blind flange includes a flange blind flange, and the compression-type cable isolation assembly is mounted in the flange blind flange.
The utility model discloses a LNG gas pitcher cable line's under adverse sea condition separation run through device's beneficial effect lies in: the utility model discloses even realize under abominable sea condition, also can guarantee that each cable fastening is good in the LNG gas pitcher cable duct, completely isolated sea water's entering to can completely isolate explosive hazardous gas and get into cable duct.
Drawings
Fig. 1 is an end view of a partitioning penetration device of an LNG tank cable line under severe sea conditions according to an embodiment of the present invention;
fig. 2 is a side view of the separation penetration device of the cable pipeline of the LNG tank under severe sea conditions of the embodiment of the present invention.
The component names and designations in the drawings are as follows:
the cable comprises a first cable pipe (10), a first cable (11), a second cable (12), a compression type cable isolation assembly (20), a cable pipe connector blind flange (30), a flange blind plate (31), a flange connecting bolt hole (32), a second cable pipe (40), a lap welding flange (50) and a gas tank TCS area (60).
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures associated with the present invention are shown in the drawings, not all of them.
The existing cable pipe expansion joint can not completely avoid the entry of seawater under severe sea conditions, can not form a protection grade above IP56, and can not completely solve the corrosion problem of seawater entering a pipeline. The cables in the cable pipes cannot be bound, so that relative movement between the cables and the cable pipes is inevitable, and the sheaths of the cables can be damaged over time, so that short circuit, control failure and other conditions are caused. The area of LNG can't realize airtight protection to cable line inlet wire position, is difficult to prevent that combustible gas from leaking and diffusing other rest through the pipeline, forms bigger danger area.
In view of the above technical problems, the present embodiment provides a separation penetration device for a cable pipeline of an LNG tank under severe sea conditions. The separation penetrating device for the cable pipeline of the LNG tank under the severe sea condition comprises a first cable pipe 10, a second cable pipe 40, a compression type cable isolation assembly 20, a cable pipe connector blind flange 30 and a lap welding flange 50; the first cable tube 10 has at least two cables therein; the compression type cable isolation assembly 20 is installed in the cable pipe connector blind flange 30, the compression type cable isolation assembly 20 comprises at least two cable installation modules and a compression piece, and at least two cables respectively penetrate through the at least two cable installation modules and are compressed through the compression piece; the cable installation module is hermetically connected with the cable; the cable pipe connector blind flange 30 is connected with the lap welding flange 50 to connect the adjacent first cable pipe 10 and second cable pipe 40.
The high-grade protection of the cable is realized through the cable pipe connector blind flange 30 with the compression type cable isolation component 20. The protection requirement of the precise equipment cable is met. No relative movement is produced between adjacent cables and between a cable and a cable duct. The damage of the cable is avoided, and the short circuit is avoided.
This embodiment has realized the watertight airtight between pipeline and pipeline, pipeline and the danger area.
The utility model discloses even realize under abominable sea condition, also can guarantee that each cable fastening is good in the LNG gas pitcher cable duct, completely isolated sea water's entering to can completely isolate explosive hazardous gas and get into cable duct.
Preferably, the compression-type cable spacer assembly 20 includes a frame, at least two cable mounting modules and a compression member disposed within the frame.
Preferably, the frame is a circular frame.
Preferably, the frame is made of stainless steel and is welded to the cable duct connector port blind flange 30.
Preferably, the compression type cable insulation assembly 20 further includes a spacer plate by which adjacent rows of cable mount modules are separated.
Preferably, the inner walls of the frame are coated with a lubricating oil to ensure the final sealing performance.
Preferably, the inner surface and the side surface of the cable installation module are coated with a lubricating oil to facilitate installation of the cable and to improve sealing performance.
Preferably, the first cable conduit 10 exits the gas tank TCS area 60, and the cable of the first cable conduit 10 is mounted to the compression-type cable insulation assembly 20 to achieve insulation from the hazardous area. Preventing the combustible gas from leaking through the conduit and spreading to the rest of the conduit, creating a larger hazardous area.
Each cable installation module can only pass through one cable. Preferably, the at least two cables are of different diameters, and the at least two cable installation modules are dimensioned to correspond one-to-one to the at least two cables. Specifically, the cables of the present embodiment are classified into a first type cable 11 and a second type cable 12, where the first type cable 11 is a small-diameter cable, and the second type cable 12 is a large-diameter cable.
Preferably, the cable duct connector port blind flange 30 includes a flange blind 31, and the compression-type cable isolation assembly 20 is mounted in the flange blind 31.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A separation penetration device for a cable pipeline of an LNG tank under severe sea conditions is characterized by comprising a first cable pipe (10), a second cable pipe (40), a compression type cable isolation assembly (20), a cable pipe connector blind flange (30) and a lap welding flange (50); at least two cables are arranged in the first cable tube (10); the compression type cable isolation assembly (20) is installed in the cable pipe connector blind flange (30), the compression type cable isolation assembly (20) comprises at least two cable installation modules and a compression piece, and at least two cables respectively penetrate through the at least two cable installation modules and are compressed through the compression piece; the cable installation module is connected with the cable in a sealing way; the cable pipe connector blind flange (30) is connected with the lap welding flange (50) to connect the adjacent first cable pipe (10) and the second cable pipe (40).
2. The separation penetration device for the cable line of the LNG tank under the severe sea condition of claim 1, wherein: the compression type cable insulation assembly (20) comprises a frame, and the at least two cable installation modules and the compression piece are arranged in the frame.
3. The separation penetration device for the cable line of the LNG-tank under severe sea conditions according to claim 2, characterized in that: the frame is a circular frame.
4. The separation penetration device for the cable line of the LNG-tank under severe sea conditions according to claim 2, characterized in that: the frame is made of stainless steel materials and is welded on the cable pipe connector blind flange (30).
5. The separation penetration device for the cable line of the LNG-tank under severe sea conditions according to claim 2, characterized in that: the compression type cable spacer assembly (20) further comprises a spacer plate by which adjacent rows of the cable installation modules are spaced apart.
6. The separation penetration device for the cable pipeline of the LNG tank under the severe sea condition as claimed in claim 2, wherein: the inner wall of the frame is coated with lubricating oil.
7. The separation penetration device for the cable line of the LNG tank under the severe sea condition of claim 1, wherein: the inner surface and the side surface of the cable installation module are coated with lubricating oil.
8. The separation penetration device for the cable line of the LNG tank under the severe sea condition of claim 1, wherein: the first cable line (10) leads out of the gas tank TCS region (60).
9. The separation penetration device for the cable pipeline of the LNG tank under the severe sea condition as claimed in claim 1, wherein: the diameters of the at least two cables are different, and the sizes of the at least two cable installation modules correspond to the sizes of the at least two cables one by one.
10. The separation penetration device for the cable line of the LNG tank under the severe sea condition of claim 1, wherein: the cable pipe connector blind flange (30) comprises a flange blind plate (31), and the compression type cable isolation assembly (20) is installed in the flange blind plate (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221775988.5U CN218124197U (en) | 2022-07-11 | 2022-07-11 | Separation penetrating device for cable pipeline of LNG tank under severe sea condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221775988.5U CN218124197U (en) | 2022-07-11 | 2022-07-11 | Separation penetrating device for cable pipeline of LNG tank under severe sea condition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218124197U true CN218124197U (en) | 2022-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221775988.5U Active CN218124197U (en) | 2022-07-11 | 2022-07-11 | Separation penetrating device for cable pipeline of LNG tank under severe sea condition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218124197U (en) |
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2022
- 2022-07-11 CN CN202221775988.5U patent/CN218124197U/en active Active
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