CN205396481U - A flotation tank module for platform undocks provides buoyancy - Google Patents
A flotation tank module for platform undocks provides buoyancy Download PDFInfo
- Publication number
- CN205396481U CN205396481U CN201620178505.1U CN201620178505U CN205396481U CN 205396481 U CN205396481 U CN 205396481U CN 201620178505 U CN201620178505 U CN 201620178505U CN 205396481 U CN205396481 U CN 205396481U
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- buoyancy tank
- connecting elements
- buoyancy
- flotation tank
- valve
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Abstract
The utility model provides a flotation tank module for platform undocks provides buoyancy, belongs to the technical field that platform undocked. This flotation tank module is passed through the flotation tank connecting elements and is connected with platform lower part body, and the flotation tank module contains the flotation tank, sets up highly -compressed air equipment and connecting line on the flotation tank, and the flotation tank adopts the bulkhead to cut apart into several liquid cabins, and the bottom in every liquid cabin is equipped with sub -sea valve, and liquid cabin top sets up line connection, and line connection is connected through connecting line and highly -compressed air equipment. The flotation tank connecting elements adopts U -shaped connecting elements and the cooperation of L shape connecting elements to be connected. The flotation tank adopts conventional shipbuilding method to build, and the equipment is accomplished in the depressed place after accomplishing the platform construction. When the biggest depth of water of dock can't satisfy platform's minimum drinking water, in order to provide enough buoyancy, realize the power drainage through installing this flotation tank module additional, plumbing method that gravity was intake finally reaches the purpose that makes platform float and leave the dock.
Description
Technical field
This utility model relates to a kind of undocking for ocean platform provides the buoyancy tank module of buoyancy, and it belongs to the technical field that ocean platform undocks.
Background technology
Offshore Platform Construction can be generally divided into and manufactures in building berth plane and manufacture both of which in dock.Building berth is little compared to dock shipbuilding tonnage, and Launching processing is complicated.So manufacturing in Offshore Platform many employings dock.In dock, manufacture and boats and ships can complete all of assembling procedure in dock, then by the lower water of dock dock gate.Ocean platform but the weight of ocean platform is excessive sometimes, causes that the maximum water depth of dock cannot meet the least draught of ocean platform, so that cannot undock.And now, the method welding buoyancy tank on ocean platform lower float generally all can be taked to provide required buoyancy.But, welding method is undocked at ocean platform to be needed to carry out imderwater cutting afterwards, and technique is complex, and the buoyancy tank after cutting cannot reuse immediately.To sum up, it is necessary to design is a kind of easy to use, economical, and the buoyancy tank module of repeatable utilization.
Summary of the invention
This utility model provides a kind of undocking for ocean platform to provide the buoyancy tank module of buoyancy, and this module connecting device by junction button form is connected with ocean platform lower float, it is to avoid substantial amounts of welding cutting work, convenient economy in mounting and dismounting process.
The technical solution adopted in the utility model is: a kind of undocking for ocean platform provides the buoyancy tank module of buoyancy, it includes ocean platform lower float, pressure-air equipment and connecting line, it also includes buoyancy tank module and buoyancy tank connecting elements, described buoyancy tank module is connected with ocean platform lower float by buoyancy tank connecting elements, described buoyancy tank module comprises buoyancy tank, it is arranged on the pressure-air equipment on buoyancy tank and connecting line, described buoyancy tank adopts bulkhead to be divided into several liquid cabin, the bottom in each liquid cabin is provided with sea cock and valve, liquid compartment roof arranges pipe interface, described pipe interface is connected pipeline and is connected with pressure-air equipment；Described buoyancy tank connecting elements comprises the U-shaped connecting elements being welded on buoyancy tank outer wall and the L-shaped connecting elements being welded on ocean platform lower float outer wall, and described U-shaped connecting elements and L-shaped connecting elements are connected.
Described pressure-air equipment comprises high pressure air bottle and baffle plate, and baffle plate is welded on the both sides being positioned at buoyancy tank top high-voltage air bottle.
Described connecting line comprises air valve, buoyancy tank valve and pressure-air bottle valve, one end of buoyancy tank valve is connected with the pipe interface being positioned at liquid compartment roof, the other end of buoyancy tank valve passes through three-way pipeline, one tunnel is connected with high pressure air bottle through pressure-air bottle valve, and another road connects air through air valve.
Described buoyancy tank connecting elements adopts the L-shaped plug of L-shaped connecting elements to insert in the U-lag of U-shaped connecting elements.
The beneficial effects of the utility model are: this undocking for ocean platform provides the buoyancy tank module of buoyancy to include ocean platform lower float, pressure-air equipment, connecting line, buoyancy tank module and buoyancy tank connecting elements, buoyancy tank module is connected with ocean platform lower float by buoyancy tank connecting elements, buoyancy tank module comprises buoyancy tank, it is arranged on the pressure-air equipment on buoyancy tank and connecting line, buoyancy tank adopts bulkhead to be divided into several liquid cabin, the bottom in each liquid cabin is provided with sea cock and valve, liquid compartment roof arranges pipe interface, pipe interface is connected pipeline and is connected with pressure-air equipment.Buoyancy tank connecting elements comprises the U-shaped connecting elements being welded on buoyancy tank outer wall and the L-shaped connecting elements being welded on ocean platform lower float outer wall, and described U-shaped connecting elements and L-shaped connecting elements are connected.Buoyancy tank and each parts of buoyancy tank connecting elements all can be made in ground welding.The movement of buoyancy tank can be controlled by tugboat.Buoyancy tank connecting device can save a large amount of welding job, it also avoid the imderwater cutting work after ocean platform undocks simultaneously.After ocean platform undocks, buoyancy tank module can reclaim direct recycling.
Accompanying drawing explanation
Fig. 1 is the general illustration of a kind of buoyancy tank module providing buoyancy of undocking for ocean platform.
Fig. 2 is the amplification view of a kind of buoyancy tank module providing buoyancy of undocking for ocean platform.
Fig. 3 is the axonometric chart of a kind of buoyancy tank module providing buoyancy of undocking for ocean platform.
Fig. 4 is the A enlarged drawing in Fig. 3.
In figure: 1, buoyancy tank module, 1a, buoyancy tank, 1b, bulkhead, 1c, sea cock and valve, 1d, pipe interface, 2, buoyancy tank connecting elements, 2a, U-shaped connecting elements, 2b, L-shaped connecting elements, 2c, L-shaped plug, 2d, U-lag, 3, pressure-air equipment, 3a, high pressure air bottle, 3b, baffle plate, 4, connecting line, 4a, air valve, 4b, buoyancy tank valve, 4c, pressure-air bottle valve, 5, ocean platform lower float.
Detailed description of the invention
Below in conjunction with accompanying drawing and implementation, the utility model is described in further detail.
Fig. 1,2 illustrate that a kind of undocking for ocean platform provides the general illustration of buoyancy tank module of buoyancy.In figure, this undocking for ocean platform provides the buoyancy tank module of buoyancy to include ocean platform lower float 5, pressure-air equipment 3, connecting line 4, buoyancy tank module 1 and buoyancy tank connecting elements 2, buoyancy tank module 1 is connected with ocean platform lower float 5 by buoyancy tank connecting elements 2, buoyancy tank module 1 comprises buoyancy tank 1a, it is arranged on the pressure-air equipment 3 on buoyancy tank 1a and connecting line 4, buoyancy tank 1a adopts bulkhead 1b to be divided into several liquid cabin, the bottom in each liquid cabin is provided with sea cock and valve 1c, liquid compartment roof arranges pipe interface 1d, described pipe interface 1d is connected pipeline 4 and is connected with pressure-air equipment 3.Buoyancy tank connecting elements 2 comprises the U-shaped connecting elements 2a being welded on buoyancy tank 1a outer wall and the L-shaped connecting elements 2b being welded on ocean platform lower float 5 outer wall, U-shaped connecting elements 2a and L-shaped connecting elements 2b are connected.Buoyancy tank connecting elements 2 adopts the L-shaped plug 2c of L-shaped connecting elements 2b to insert in the U-lag 2d of U-shaped connecting elements 2a.Pressure-air equipment 3 comprises high pressure air bottle 3a and baffle plate 3b, baffle plate 3b and is welded on the both sides being positioned at buoyancy tank 1a top high-voltage air bottle 3a.
Fig. 3,4 illustrate that a kind of undocking for ocean platform provides the connecting line schematic diagram of buoyancy tank module of buoyancy.Connecting line 4 comprises air valve 4a, buoyancy tank valve 4b and pressure-air bottle valve 4c, one end of buoyancy tank valve 4b is connected with the pipe interface 1d being positioned at liquid compartment roof, the other end of buoyancy tank valve 4b passes through three-way pipeline, one tunnel is connected with high pressure air bottle 3a through pressure-air bottle valve 4c, and another road connects air through air valve 4a.
Adopting above-mentioned technical scheme, buoyancy tank module 1 is welded by general shipbuilding method.With one or multi-channel bulkhead in length and breadth, cabin is divided into four parts or more, to improve buoyancy tank stability.In buoyancy tank module 1 towards on the surface of ocean platform lower float 5, being welded with four U-shaped connecting elements 2a, become two row two column distributions, increase and decrease to some extent with specific reference to practical situation, but need upper and lower two row, to ensure buoyancy tank stability.With in the U-lag 2d that the L-shaped plug 2c of the U-shaped connecting elements 2a L-shaped connecting elements 2b being welded on ocean platform lower float 5 in pairs inserts U-shaped connecting elements 2a.
Above-mentioned a kind of as follows for the ocean platform step that the using method of the buoyancy tank module providing buoyancy adopts of undocking:
A) arranging two buoyancy tank modules 1 in ocean platform lateral symmetry, the movement of buoyancy tank module 1 is completed by tugboat.
B) ocean platform completes to manufacture, when needing to undock: close pressure-air bottle valve 4c, open air valve 4a and buoyancy tank valve 4b, sea water enters from sea cock and valve 1c, sea water and atmospheric pressure is utilized to be discharged from compartment roof along pipeline by cabin room air, buoyancy tank module 1 sinks to and ocean platform lower float 5 link position, after completing connection, close air valve 4a, open pressure-air bottle valve 4c and buoyancy tank valve 4b, open sea cock and valve 1c simultaneously, pressure-air is utilized to be discharged from the sea cock and valve 1c bottom cabin by cabin maritime interior waters, ocean platform and buoyancy tank module 1 is finally made all to float, close all valves, leave dock.
C) ocean platform undocks and arrives target marine site, carry out buoyancy tank module 1 to separate: close pressure-air bottle valve 4c, open air valve 4a and buoyancy tank valve 4b, sea water enters from sea cock and valve 1c, sea water and atmospheric pressure is utilized to be discharged from compartment roof along pipeline by cabin room air, when buoyancy tank module 1 sinks to correct position, close all valves.Tugboat drags buoyancy tank module 1 and leaves ocean platform, recycling.
Claims (4)
- null1. one kind for ocean platform undock provide buoyancy buoyancy tank module，It includes ocean platform lower float (5)、Pressure-air equipment (3) and connecting line (4)，It is characterized in that: it also includes buoyancy tank module (1) and buoyancy tank connecting elements (2)，Described buoyancy tank module (1) is connected with ocean platform lower float (5) by buoyancy tank connecting elements (2)，Described buoyancy tank module (1) comprises buoyancy tank (1a)、It is arranged on the pressure-air equipment (3) on buoyancy tank (1a) and connecting line (4)，Described buoyancy tank (1a) adopts bulkhead (1b) to be divided into several liquid cabin，The bottom in each liquid cabin is provided with sea cock and valve (1c)，Liquid compartment roof arranges pipe interface (1d)，Described pipe interface (1d) is connected pipeline (4) and is connected with pressure-air equipment (3)；Described buoyancy tank connecting elements (2) comprises the U-shaped connecting elements (2a) being welded on buoyancy tank (1a) outer wall and the L-shaped connecting elements (2b) being welded on ocean platform lower float (5) outer wall, and described U-shaped connecting elements (2a) and L-shaped connecting elements (2b) are connected.
- 2. according to claim 1 undocking for ocean platform provides the buoyancy tank module of buoyancy, it is characterized in that: described pressure-air equipment (3) comprises high pressure air bottle (3a) and baffle plate (3b), and baffle plate (3b) is welded on the both sides being positioned at buoyancy tank (1a) top high-voltage air bottle (3a).
- 3. according to claim 1 undocking for ocean platform provides the buoyancy tank module of buoyancy, it is characterized in that: described connecting line (4) comprises air valve (4a), buoyancy tank valve (4b) and pressure-air bottle valve (4c), one end of buoyancy tank valve (4b) is connected with the pipe interface (1d) being positioned at liquid compartment roof, the other end of buoyancy tank valve (4b) passes through three-way pipeline, one tunnel is connected with high pressure air bottle (3a) through pressure-air bottle valve (4c), and another road connects air through air valve (4a).
- 4. according to claim 1 undocking for ocean platform provides the buoyancy tank module of buoyancy, it is characterised in that: described buoyancy tank connecting elements (2) adopts the L-shaped plug (2c) of L-shaped connecting elements (2b) to insert in the U-lag (2d) of U-shaped connecting elements (2a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620178505.1U CN205396481U (en) | 2016-03-09 | 2016-03-09 | A flotation tank module for platform undocks provides buoyancy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620178505.1U CN205396481U (en) | 2016-03-09 | 2016-03-09 | A flotation tank module for platform undocks provides buoyancy |
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| Publication Number | Publication Date |
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| CN205396481U true CN205396481U (en) | 2016-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620178505.1U Expired - Fee Related CN205396481U (en) | 2016-03-09 | 2016-03-09 | A flotation tank module for platform undocks provides buoyancy |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109094753A (en) * | 2018-08-15 | 2018-12-28 | 招商局重工（江苏）有限公司 | One kind supporting and lifting formula semi-submersible offshore engineering platform and undocks scheme |
| CN109178225A (en) * | 2018-08-15 | 2019-01-11 | 招商局重工（江苏）有限公司 | A kind of semi-submersible offshore engineering platform rod-pulling type undocks method |
| CN109178226A (en) * | 2018-08-15 | 2019-01-11 | 招商局重工（江苏）有限公司 | A method of reducing the drinking water of semi-submersible offshore engineering platform |
| CN109533220A (en) * | 2018-12-06 | 2019-03-29 | 大连理工大学 | A kind of combined type for large-scale semi-submerged ship helps floating device and its construction method |
| CN116142382A (en) * | 2023-02-28 | 2023-05-23 | 深海技术科学太湖实验室 | Power buoyancy tank device for transportation of non-self-propelled ocean floating platform and operation method |
-
2016
- 2016-03-09 CN CN201620178505.1U patent/CN205396481U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109094753A (en) * | 2018-08-15 | 2018-12-28 | 招商局重工（江苏）有限公司 | One kind supporting and lifting formula semi-submersible offshore engineering platform and undocks scheme |
| CN109178225A (en) * | 2018-08-15 | 2019-01-11 | 招商局重工（江苏）有限公司 | A kind of semi-submersible offshore engineering platform rod-pulling type undocks method |
| CN109178226A (en) * | 2018-08-15 | 2019-01-11 | 招商局重工（江苏）有限公司 | A method of reducing the drinking water of semi-submersible offshore engineering platform |
| CN109533220A (en) * | 2018-12-06 | 2019-03-29 | 大连理工大学 | A kind of combined type for large-scale semi-submerged ship helps floating device and its construction method |
| CN116142382A (en) * | 2023-02-28 | 2023-05-23 | 深海技术科学太湖实验室 | Power buoyancy tank device for transportation of non-self-propelled ocean floating platform and operation method |
| CN116142382B (en) * | 2023-02-28 | 2024-01-26 | 深海技术科学太湖实验室 | Power buoyancy tank device for transportation of non-self-propelled ocean floating platform and operation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160727 Termination date: 20170309 |