CN113819311A

CN113819311A - Deck penetration structure

Info

Publication number: CN113819311A
Application number: CN202111080425.4A
Authority: CN
Inventors: 毛海骏; 聂祥; 许江; 符成志; 陈新华; 王章建; 王纪阳; 顾季涛; 陈建国; 王巍; 刘坤; 梁小平; 刘学军
Original assignee: Shanghai Waigaoqiao Shipbuilding Co Ltd
Current assignee: Shanghai Waigaoqiao Shipbuilding Co Ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2021-12-21

Abstract

The invention discloses a deck penetrating structure which comprises a penetrating pipeline, wherein the penetrating pipeline penetrates through a deck, and external pipelines are distributed on at least the lower side of the deck, at least one end of the penetrating pipeline is in butt joint with the external pipelines on the corresponding side, a fireproof material is arranged on at least the lower side of the deck and wraps the penetrating pipeline and the external pipelines, the distance from the end part of the penetrating pipeline, which is used for being connected with the external pipelines, to the deck is not more than 450mm, the fireproof material comprises first rock wool, and the first rock wool is arranged along the outer peripheral side of the penetrating pipeline and clings to the outer peripheral side of the penetrating pipeline. In this scheme, set up fire-proof material through the at least downside on deck to the parcel lives to run through pipeline and outside pipeline, can strengthen fire behavior, under the prerequisite that satisfies certain fire prevention requirement, shortens the length that the pipeline runs through the device, is convenient for carry out the overall arrangement installation in narrow intensive space, improves efficiency of construction and convenience.

Description

Deck penetration structure

Technical Field

The invention relates to the field of ship and ocean engineering, in particular to a deck penetrating structure.

Background

For ship structures such as cruise ships, yachts and the like, through holes need to be arranged on a deck, and pipeline penetrating devices are arranged in the through holes and used for transmitting water, electricity, gas, signals and the like among different cabins. As a building party of a domestic first large-scale cruise ship, the Chinese ship group discovers that nearly thousands of pipeline penetration devices need to be arranged on the cruise ship and certain fireproof requirements and international standard requirements need to be met during investigation and analysis in the design stage of the ship. The existing pipeline penetration device needs to be lengthened as much as possible on the premise of meeting certain fireproof requirements and international standard requirements, so that the pipelines are difficult to arrange in narrow and dense space, and actual construction is difficult. The pipeline penetration device is a necessary outfitting piece of a domestic large-scale cruise ship project, and if the requirements of related international specifications cannot be met, the pipeline penetration device hinders achievement of a key path of a domestic first large-scale cruise ship construction project and realization of milestone nodes.

Disclosure of Invention

The invention aims to overcome the defects that pipeline penetration devices in the prior art are too long in length and large in occupied space, and pipeline layout in a ship body is difficult, and provides a deck penetration structure.

The invention solves the technical problems through the following technical scheme:

a deck penetration structure comprising:

a pipeline penetration device comprising a penetration pipeline that penetrates the deck;

the external pipelines are distributed on at least the lower side of the deck, and at least one end of the penetrating pipeline is butted with the external pipelines on the corresponding side;

a fire-blocking material disposed on at least a lower side of the deck and wrapping the through-tubing and the external tubing.

In this scheme, because of the general combustion that goes up to the top of flame, so the downside on deck needs to possess higher fire behavior, sets up fire-proof material through the at least downside on deck to the parcel lives runs through pipeline and external pipeline, can strengthen the fire behavior of this department, under the prerequisite that satisfies certain fire protection requirement, shortens the pipeline and runs through the length of device, is convenient for carry out the overall arrangement installation in narrow intensive space, improves efficiency of construction and convenience.

Preferably, the distance from the end of the through pipe for connection with the external pipe to the deck is no more than 450 mm.

In this scheme, the pipeline runs through the length of device is shorter, arranges in the narrow region in space easily, the construction of being convenient for.

Preferably, the fireproof material comprises first rock wool, and the first rock wool is arranged along the outer periphery of the through pipeline and is tightly attached to the outer periphery of the through pipeline.

In this scheme, the rock wool has excellent fire prevention heat-proof quality, sets up first rock wool in the periphery side that runs through the pipeline, can play the thermal-insulated effect of fire prevention.

Preferably, the thickness of the first rock wool is 40mm, and the density of the first rock wool is 100kg/m³。

The thickness is 40mm, and the density is 100kg/m³The rock wool has more excellent fireproof and heat-insulating properties.

Preferably, the distance from the lower end of the through pipe for connecting with the external pipe to the deck is not less than 150mm at the lower side of the deck.

Enough space is left for filling the fireproof material, and then the pipeline penetration device is guaranteed to meet the fireproof requirement on the premise of shortening the length.

Preferably, the fire-proof material further comprises second rock wool, and the second rock wool wraps the first rock wool and the external pipeline.

Through the outside at first rock wool setting up the second rock wool of one deck to the second rock wool still wraps up outside pipeline, can further promote the fire prevention heat-proof quality.

Preferably, the thickness of the second rock wool is 40mm, and the density is 80kg/m³And the length of the second rock wool at the lower side of the deck along the vertical direction is not less than 500 mm.

The thickness is 40mm, and the density is 80kg/m³The second rock wool is not less than 500mm in length along the vertical direction, and the fireproof and heat-insulating performance is more excellent.

Preferably, the pipeline penetration device further comprises a web plate, the web plate is provided with a through hole, the web plate is arranged at the opening on the upper side of the deck, and the penetration pipeline penetrates through the web plate.

This pipeline runs through device sets up the web in the upside on deck, passes the web through making to run through the pipeline, and rethread web is connected with the deck, and to the relative reduction of the trompil required precision on deck, not only can reduce the construction degree of difficulty, can also strengthen the pipeline and run through the leakproofness on the relative deck of device.

Preferably, the pipeline penetration device further comprises a sleeve disposed at the penetration hole, and the penetration pipeline penetrates through the sleeve.

Through setting up the sleeve pipe, will run through the pipeline and penetrate behind the sleeve pipe, be connected through sleeve pipe and web, can play the guard action to the pipeline that runs through that passes the deck, further promote the reliability that runs through the pipeline.

Preferably, two ends of the through pipeline are butted with the external pipeline on the corresponding side in a flange connection mode, and a sealing gasket is arranged between the flange of the through pipeline and the flange of the external pipeline.

Through setting up seal gasket, can strengthen the leakproofness that adjacent through line connects.

Preferably, the pipeline penetration device further comprises an insulating layer arranged on at least the lower side of the deck and clinging to the deck.

The fire-proof and insulating performance of the deck can be further improved by arranging the insulating layer at least on the lower side of the deck.

The positive progress effects of the invention are as follows: in this scheme, because of the general combustion to the top of flame, so the downside on deck needs to possess higher fire behavior, set up fire-proof material through the at least downside on deck, and the parcel lives to run through pipeline and outside pipeline, can strengthen the fire behavior of this department, under the prerequisite that satisfies certain fire protection requirement and international standard, shorten the length that the pipeline runs through the device, be convenient for carry out the overall arrangement installation in narrow intensive space, improve efficiency of construction and convenience, wide market perspective has.

Drawings

Fig. 1 is a schematic view of a deck penetration structure of embodiment 1 of the present invention;

fig. 2 is a schematic view of a deck penetration structure according to embodiment 2 of the present invention.

Through pipe 1

Deck 2

Flange 3

Sealing gasket 4

Web 5

Sleeve 6

Insulating layer 7

First rock wool 8

Second rock wool 9

External pipe 10

Detailed Description

The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.

Example 1

As shown in fig. 1, in the present embodiment, a deck penetrating structure includes:

the pipeline penetrating device comprises a penetrating pipeline 1, flanges 3 arranged at two ends of the penetrating pipeline 1 and a web 5 arranged in the middle of the penetrating pipeline 1, wherein the penetrating pipeline 1 penetrates through a deck 2;

the external pipelines 10 distributed on two sides of the deck 2 penetrate through two ends of the pipeline 1 and are butted with the external pipelines 10 on the corresponding sides;

and the fireproof materials are arranged on two sides of the deck 2 and wrap the through pipeline 1 and the external pipeline 10.

In this embodiment, the wall thickness of the through pipe 1 should be greater than or equal to 3mm to match the relevant fire protection requirements.

In this scheme, set up fire-proof material through the both sides at deck 2 to the parcel lives to run through pipeline 1 and outside pipeline 10, can strengthen fire behavior, under the prerequisite that satisfies certain fire prevention requirement, shortens the length that the pipeline runs through the device, is convenient for carry out the overall arrangement installation in narrow intensive space, improves efficiency of construction and convenience.

In other embodiments, the external pipeline 10 may be disposed only on the lower side of the deck 2, one end of the through pipeline 1 is connected to the corresponding external pipeline 10, and the other end of the through pipeline 1 is covered with a flange to plug the through pipeline.

In other embodiments, the fire-resistant material may be provided only on the underside of the deck 2 and wrapped around the through-going pipe 1 and the external pipe 10. Since flames generally burn upward, the lower side of the deck 2 needs to have higher fireproof performance, and the fire-retardant material is provided on the lower side of the deck 2 to resist the flames burning below the deck 2.

In this embodiment, the distance L from the end of the penetration pipeline 1 for connecting with the external pipeline to the deck 2 is 450mm, and the pipeline penetration device is short in length, easy to arrange in a narrow space area, and convenient for construction.

In other embodiments, the distance L from the end of the through-going pipe 1 intended for connection with said external pipe to the deck 2 may also be less than 450mm, so that the total length is less than 900 mm.

In this embodiment, the fireproof material specifically includes a first rock wool 8 and a second rock wool 9, wherein the first rock wool 8 is disposed on both sides of the deck 2, and the first rock wool 8 is disposed along the outer peripheral side of the through pipe 1 and closely attached to the outer peripheral side of the through pipe 1. In this scheme, the rock wool has excellent fire prevention heat-proof quality, sets up first rock wool 8 in the periphery side that runs through pipeline 1, can play the thermal-insulated effect of fire prevention.

In other embodiments, the first rock wool 8 may be provided only on the underside of the deck 2, blocking flames below the deck 2.

In this embodiment, the first rock wool 8 has a thickness of 40mm and a density of 100kg/m³. By adopting a thickness of 40mm and a density of 100kg/m³The rock wool has more excellent fireproof and heat-insulating properties.

In addition, in this embodiment, second rock wool 9 sets up the downside at deck 2, and second rock wool 9 parcel deck 2 downside's first rock wool 8's the outside to still wrap up external pipe way 10 simultaneously.

Through the outside at first rock wool 8 setting up one deck second rock wool 9 to second rock wool 9 still wraps up outside pipeline 10, can further promote the whole fire prevention heat-proof insulation quality that the deck runs through the structure.

In this embodiment, the second rock wool 9 has a thickness of 40mm and a density of 80kg/m³. The thickness is 40mm, and the density is 80kg/m³The rock wool has more excellent fireproof and heat-insulating properties.

In this embodiment, the length of the second rock wool 9 on the lower side of the deck 2 along the direction perpendicular to the deck 2 is 500mm, which can meet the fire-proof requirement.

In other embodiments, the length of the second rock wool 9 on the single side of the deck 2 along the direction perpendicular to the deck 2 may also be greater than 500mm, which can further improve the fire-proof performance.

In the present embodiment, the web 5 of the pipeline penetration device is provided with a penetration hole, the web 5 is arranged at an opening on the upper side of the deck 2 and connected to the deck 2 by welding, and the penetration pipeline 1 penetrates through the web 5.

Preferably, pipeline run-through device web 5 in this embodiment is located the upside of deck 2, runs through pipeline 1 and passes web 5, is connected with deck 2 through web 5, and the requirement for the trompil precision of deck 2 reduces, not only can reduce the construction degree of difficulty, can also strengthen the leakproofness. Simultaneously, web 5 sets up the upside at deck 2, when not welding web 5 to deck 2, bears the weight of whole pipeline through-put through 2 on deck, need not to carry out interim location to pipeline through-put in welding process, consequently can reduce the connection degree of difficulty.

Of course, in other embodiments, the pipeline penetration device may be provided without the web 5, and the penetration pipeline 1 may be directly penetrated through the deck 2 by opening a hole on the deck 2 and welded with the deck 2.

In this embodiment, both ends of the through pipe 1 are butted against the corresponding external pipe 10 by flange connection, and a gasket 4 is provided between the flange 3 of the through pipe 1 and the flange 3 of the external pipe 10. By providing the sealing gasket 4, the sealing property of the connection of the adjacent through pipelines 1 can be enhanced.

In other embodiments, the distance L from the flange 3 to the deck 2 is not less than 150mm, so as to leave enough space for filling the fire-proof material, thereby ensuring that the pipeline penetration device can meet the fire-proof requirement on the premise of shortening the length.

In this embodiment the pipe penetration means further comprises an insulation layer 7, where the web 5 is located on the upper side of the deck 2, the insulation layer 7 is arranged on the lower side of the deck 2 and abuts against the deck 2 and covers the lower side of the web 5 through an opening in the deck 2.

In other embodiments, the insulation 7 may also be provided on both sides of the deck 2 and against the deck 2.

By providing the insulating layer 7 at least on the lower side of the deck 2, the fire protection and insulation properties of the deck 2 can be further improved.

The bulkhead penetrating structure can meet the installation requirement of relevant international standards on the pipeline penetrating device in the construction process of the cruise ship and can also provide good engineering practice products for other types of ships and ocean engineering structures such as yachts, PSVs (maritime work support ships) and the like with the same space-intensive and fireproof requirements through the structural arrangement.

Example 2

This embodiment also provides a deck penetrating structure, which is basically the same as that of embodiment 1, except that:

as shown in fig. 2, in this embodiment, the second rock wool 9 is disposed on both sides of the deck 2, and the second rock wool 9 covers the outer sides of the first rock wool 8 on both sides of the deck 2 and also covers the outer pipes 10 on both sides.

Set up second rock wool 9 in the both sides of deck 2 to the parcel is in the outside of first rock wool 8, and outside pipeline 10 is still wrapped up in to second rock wool 9, can further promote the whole fire prevention heat-proof quality that the deck runs through the structure.

The pipeline runs through the device and still includes sleeve 6, and sleeve 6 sets up the hole department that runs through on web 5, runs through pipeline 1 and passes sleeve 6, through setting up sleeve 6, will run through pipeline 1 and penetrate behind sleeve 6, is being connected through sleeve 6 and web 5, can play the guard action to the pipeline 1 that runs through that passes deck 2, further promotes the reliability that runs through pipeline 1.

In other embodiments, the web 5 may not be provided, and the sleeve 6 may be provided at an opening of the deck 2, which is simple in structure and convenient to install.

While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.

Claims

1. A deck penetration structure comprising:

2. A deck penetration structure according to claim 1, wherein the distance from the end of the penetration pipe for connection with the external pipe to the deck is no more than 450 mm.

3. The deck penetration structure of claim 1, wherein the fire-resistant material comprises first rock wool disposed along and in close proximity to a perimeter side of the penetration pipe.

4. The deck penetration structure of claim 3, wherein the first rock wool has a thickness of 40mm and a density of 100kg/m³。

5. A deck penetration structure according to claim 3, wherein the distance from the lower end of the penetration pipe for connection with the external pipe to the deck is not less than 150mm at the lower side of the deck.

6. The deck penetration structure of claim 3, wherein the fire-resistant material further comprises second rock wool, the second rock wool encasing the first rock wool and the external pipe.

7. The deck penetration structure of claim 6, wherein the second rock wool has a thickness of 40mm and a density of 80kg/m³And the length of the second rock wool at the lower side of the deck along the vertical direction is not less than 500 mm.

8. The deck penetration structure of claim 1, wherein said pipeline penetration means further comprises a web, said web being provided with a through hole, said web being provided at an opening on an upper side of said deck, said through pipeline penetrating said web.

9. The deck penetration assembly of claim 8, wherein the conduit penetration assembly further comprises a casing disposed at the penetration, the penetration conduit passing through the casing.

10. The deck through structure of claim 1, wherein both ends of the through pipe are butted against the external pipe on the corresponding side by means of flange connection, and a sealing gasket is provided between the flange of the through pipe and the flange of the external pipe.

11. The deck penetration structure of claim 1, wherein the pipeline penetration assembly further comprises an insulation layer disposed on at least an underside of the deck and connected to the penetration pipeline.