CN106516029A - Tension leg platform adapting to tidal range through communication holes - Google Patents
Tension leg platform adapting to tidal range through communication holes Download PDFInfo
- Publication number
- CN106516029A CN106516029A CN201611066734.5A CN201611066734A CN106516029A CN 106516029 A CN106516029 A CN 106516029A CN 201611066734 A CN201611066734 A CN 201611066734A CN 106516029 A CN106516029 A CN 106516029A
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- China
- Prior art keywords
- tidal range
- compartment
- cabin
- buoyancy
- tension leg
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
- B63B21/502—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers by means of tension legs
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention provides a tension leg platform adapting to the tidal range through communication holes. A reserve buoyancy compartment, a tidal range adaptation compartment, a buoyancy compartment body and a ballast compartment are arranged from top to bottom in sequence. The center position of the reserve buoyancy compartment is provided with the first communication hole, the upper end of the first communication hole communicates with atmosphere, and the lower end of the first communication hole communicates with the tidal range adaptation compartment; the second communication hole is formed in the center positions of the buoyancy compartment body and the ballast compartment in a penetrating mode; the upper end of the second communication hole communicates with the tidal range adaptation compartment, and the lower end of the second communication hole communicates with seawater; and tension legs are symmetrically arranged between the lower end of the ballast compartment and the seabed. When the tidal range is changed, the liquid levels inside and outside the tidal range adaptation compartment always stay the same, and thus the platform has a small waterline plane area. According to the tension leg platform adapting to the tidal range through the communication holes, the requirements for the strength of the tension legs are reduced, the project cost can be effectively reduced correspondingly, and an effective scheme is also provided for using tension mooring on the shallow sea.
Description
Technical field
The present invention relates to a kind of offshore floating type works, more particularly to a kind of tension leg for adapting to tidal range by intercommunicating pore is put down
Platform, belongs to Naval Architecture and Ocean Engineering field.
Background technology
Marine floating type platform can occur six-freedom motion under wave action, affect the normal work of works, choosing
The motion response of floating platform can be reduced with suitable Mooring Arrangements, the work efficiency of platform is improved.Using tension type mooring
Platform, the relative displacement very little in platform and seabed, platform have good exercise performance.But, it is due to the impact of tidal range, high
Tide and time of low water, the buoyancy of platform change very greatly, cause the stress change and malformation of the tension leg of tension type mooring also very
Greatly, very high to the intensity requirement of tension leg, its construction costs is also corresponding higher.Tension type mooring is all applied compared with deep-sea domain,
Shallow sea, it is higher using requirement of the tension type mooring to tension leg intensity, there is presently no the work of tension type mooring is used in shallow sea
Journey example.
The present invention provides a kind of tension leg platform (TLP) that tidal range is adapted to by intercommunicating pore, by design tidal range adapt to cabin and
Intercommunicating pore, tidal range adapt to cabin by intercommunicating pore and outside sea water and air communication, and when tidal range changes, tidal range is adapted to inside and outside cabin
Liquid level it is always consistent, structure possesses less water plane area, when the platform exterior water surface changes, the buoyancy suffered by platform
Vary less, so as to stress change and the malformation also very little of tension leg, effectively reduce the requirement to tension leg intensity, can
Accordingly to reduce construction costs, while also a kind of effective scheme to be provided using tension type mooring in shallow sea.
The content of the invention
The invention aims to be adapted to tidal range, requirement during reduction tension type mooring to tension leg intensity can
A kind of tension leg platform (TLP) that tidal range is adapted to by intercommunicating pore is provided using tension type mooring in shallow sea.
The object of the present invention is achieved like this：From top to bottom sequentially coaxially the heart arrange buoyancy reserving compartment, tidal range adapt to cabin,
Buoyancy compartment and ballast tank, the center of buoyancy reserving compartment are provided with an intercommunicating pore, the upper end of an intercommunicating pore and big gas phase
Logical, lower end adapts to cabin with tidal range and communicates, and the center of buoyancy compartment and ballast tank is run through No. two intercommunicating pores, No. two intercommunicating pores
Cabin communicates, lower end is communicated with sea water with tidal range adaptation for upper end, is symmetrical arranged tensioned between the lower end and seabed of the ballast tank
Lower limb.
Present invention additionally comprises such some architectural features：
1. the upper surface of buoyancy compartment described in is located under time of low water waterline, and tidal range adapts to the lower surface in cabin and is located at time of low water water
Under line, upper surface be located at high water time waterline on.
Compared with prior art, the invention has the beneficial effects as follows：The present invention adapts to cabin and connects by designing a tidal range
Hole, reduce platform water plane area, reduce tidal range change cause platform buoyancy change, and tension leg stress change and
Malformation.The present invention adapts to cabin and intercommunicating pore knot by arranging a tidal range on the premise of big change is not done to structure
Structure, effectively reduces the stress change and malformation of the tension leg caused by tidal range change, namely the present invention changes in tidal range
When, platform has less water plane area all the time, the buoyancy of platform is varied less in outside level change, tension leg
Stress changes and malformation also very little, intensity requirement when reducing tension type mooring to tension leg, correspondingly reduces tensioning
The construction costs of formula mooring, and to provide a kind of effective scheme using tension type mooring in shallow sea.
Description of the drawings
Fig. 1 is the midship section figure of the present invention；
Fig. 2 is schematic diagram of the tension type mooring of the present invention in seabed；
Fig. 3 is front view of the tension type mooring of the present invention in seabed.
In each figure, numbering represents that content is as follows：1. ballast tank；2. buoyancy compartment；3. tidal range adapts to cabin；4. No. two intercommunicating pores are (logical
Water end (W.E.))；5. an intercommunicating pore (ventilation end)；6. buoyancy reserving compartment；7. tension leg；8. seabed；9. time of low water waterline；10. high water time
Waterline.
Specific embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
With reference to Fig. 1-3, the present invention include ballast tank 1., buoyancy compartment 2., tidal range adapt to cabin 3., intercommunicating pore 5., No. two
Intercommunicating pore 4., buoyancy reserving compartment 6., tension leg 7..1. ballast tank is located at platform lowermost end, is mainly used to add ballast, reduces flat
Platform center of gravity, increases stability, meanwhile, also mooring point is provided for platform；2. on ballast tank, top is located at time of low water water to buoyancy compartment
Line is 9. following, and predominantly system provides buoyancy；Tidal range adapts to cabin 3. on buoyancy compartment, and its bottom time of low water waterline 9. with
Under, top be located at high water time waterline 10. more than, be mainly used in adapt to tidal range change, make the buoyancy of structure not with outside level change
There is big change；No. two intercommunicating pores water flowing section 4. fits tidal range in time of low water underwater through ballast tank and buoyancy compartment
Answer cabin to connect with outside sea water, be mainly used in connecting the inside and outside sea water in tidal range adaptation cabin；The ventilation 5. of number intercommunicating pore
End more than high water time waterline, is made tidal range adapt to cabin and is connected with extraneous air, be mainly used in connection tide through buoyancy reserving compartment 6.
Difference adapts to the air inside and outside cabin；6. buoyancy reserving compartment on tidal range adaptation cabin, can arrange the structural facilities such as productive life thereon,
It is mainly used in providing buoyancy reserve for system, it is to avoid topple during platform damage；8. tension leg is mainly used in mooring platform, increases
Plus the stability of platform.The tidal range of the present invention adapts to intercommunicating pore of the cabin by arranging and connects external sea water and air, when tidal range becomes
During change, the liquid level that tidal range is adapted to inside and outside cabin is always consistent.
As shown in Figures 2 and 3, during hydrostatic, tension leg one end is fixed on seabed, and one end is fixed on the ballast tank of platform,
Vertically tensioning ground mooring platform top-ups in water.
The course of work of the present invention is as follows：
At the incoming tide, platform exterior liquid level rises, and causes tidal range to adapt to liquid level inside and outside cabin and there is difference in height, and difference force makes outside
Sea water enters tidal range by the water flowing section of intercommunicating pore and adapts to cabin, extrudes ventilation of the gas inside tidal range adaptation cabin by intercommunicating pore
End enters outside atmosphere, makes the liquid level that tidal range is adapted to inside and outside cabin consistent；In the same manner, at ebb tide, platform exterior liquid level declines, and causes tide
Difference adapts to liquid level inside and outside cabin and there is difference in height, and difference force makes the sea water that tidal range is adapted to inside cabin enter by the water flowing section of intercommunicating pore
Outside, tidal range adapts to cabin air pressure inside to be reduced, and extraneous gas is sucked tidal range by the ventilation end of intercommunicating pore and adapts to cabin, make tidal range
The liquid level adapted to inside and outside cabin is consistent.During flood tide and ebb, as tidal range adapts to sea water connection inside and outside cabin, tidal range adapts to cabin
Inside and outside liquid level is always consistent, makes structure have less water plane area, therefore, when waterline position changes, platform (structure
Thing) buoyancy vary less, so as to the stress change and malformation also very little of, the tension leg of tension type mooring.Therefore, it is tensioned
The intensity requirement of tension leg is also declined during formula mooring, so as to the construction costs of tension type mooring is also accordingly decreased.
The exemplary configurations of intercommunicating pore are insertion platforms, and its specific constructive form and arrangement can also be according to actual works
The needs of Cheng Yingyong are adjusted and optimize.The present invention tidal range adapt to cabin shape be it is unfixed, can be according to actual work
Journey needs to make change shape, subdivision process etc.；And the present invention can also use other Mooring Arrangements.
Claims (2)
1. it is a kind of by intercommunicating pore adapt to tidal range tension leg platform (TLP), it is characterised in that：From top to bottom sequentially coaxially the heart arranges storage
Standby buoyancy compartment, tidal range adapt to cabin, buoyancy compartment and ballast tank, and the center of buoyancy reserving compartment is provided with an intercommunicating pore, No. one
The upper end of intercommunicating pore is communicated with air, lower end adapts to cabin with tidal range and communicates, and the center of buoyancy compartment and ballast tank is run through two
Number intercommunicating pore, the upper end of No. two intercommunicating pores and tidal range adapt to that cabin communicates, lower end is communicated with sea water, lower end and the sea of the ballast tank
Tension leg is symmetrically arranged between bottom.
2. it is according to claim 1 it is a kind of by intercommunicating pore adapt to tidal range tension leg platform (TLP), it is characterised in that：It is described floating
The upper surface in power cabin is located under time of low water waterline, and tidal range adapts to the lower surface in cabin under time of low water waterline, the position of upper surface
On high water time waterline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611066734.5A CN106516029B (en) | 2016-11-29 | 2016-11-29 | A kind of tension leg platform (TLP) that tidal range is adapted to by intercommunicating pore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611066734.5A CN106516029B (en) | 2016-11-29 | 2016-11-29 | A kind of tension leg platform (TLP) that tidal range is adapted to by intercommunicating pore |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106516029A true CN106516029A (en) | 2017-03-22 |
| CN106516029B CN106516029B (en) | 2018-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611066734.5A Active CN106516029B (en) | 2016-11-29 | 2016-11-29 | A kind of tension leg platform (TLP) that tidal range is adapted to by intercommunicating pore |
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| CN (1) | CN106516029B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108239962A (en) * | 2018-01-25 | 2018-07-03 | 江苏科技大学 | A kind of safety system of floating breakwater under extreme sea condition |
Citations (8)
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| JP2000027143A (en) * | 1998-07-15 | 2000-01-25 | Kubota Corp | Equipment for conducting water into ocean floor |
| KR20120077649A (en) * | 2010-12-30 | 2012-07-10 | 재단법인 포항산업과학연구원 | Floating platform |
| CN102616345A (en) * | 2012-05-06 | 2012-08-01 | 张洪达 | Tension leg bottom-supported offshore life support platform |
| JP2014058275A (en) * | 2012-09-19 | 2014-04-03 | Mitsui Zosen Akishima Kenkyusho:Kk | Semi-submersible type floating structure |
| CN103867376A (en) * | 2014-03-24 | 2014-06-18 | 长沙理工大学 | Swing plate design of buoyancy pendulum with self-adaptive rotational inertia |
| CN203921138U (en) * | 2014-06-06 | 2014-11-05 | 上海海郑海洋建设工程技术有限公司 | Buoyancy aid work pile |
| CN104443294A (en) * | 2014-11-05 | 2015-03-25 | 华北水利水电大学 | Pile and cable combined platform and application method adapting to tidal range changes thereof |
| KR20160029238A (en) * | 2014-09-04 | 2016-03-15 | 삼성중공업 주식회사 | Submersible offshore structure |
-
2016
- 2016-11-29 CN CN201611066734.5A patent/CN106516029B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000027143A (en) * | 1998-07-15 | 2000-01-25 | Kubota Corp | Equipment for conducting water into ocean floor |
| KR20120077649A (en) * | 2010-12-30 | 2012-07-10 | 재단법인 포항산업과학연구원 | Floating platform |
| CN102616345A (en) * | 2012-05-06 | 2012-08-01 | 张洪达 | Tension leg bottom-supported offshore life support platform |
| JP2014058275A (en) * | 2012-09-19 | 2014-04-03 | Mitsui Zosen Akishima Kenkyusho:Kk | Semi-submersible type floating structure |
| CN103867376A (en) * | 2014-03-24 | 2014-06-18 | 长沙理工大学 | Swing plate design of buoyancy pendulum with self-adaptive rotational inertia |
| CN203921138U (en) * | 2014-06-06 | 2014-11-05 | 上海海郑海洋建设工程技术有限公司 | Buoyancy aid work pile |
| KR20160029238A (en) * | 2014-09-04 | 2016-03-15 | 삼성중공업 주식회사 | Submersible offshore structure |
| CN104443294A (en) * | 2014-11-05 | 2015-03-25 | 华北水利水电大学 | Pile and cable combined platform and application method adapting to tidal range changes thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108239962A (en) * | 2018-01-25 | 2018-07-03 | 江苏科技大学 | A kind of safety system of floating breakwater under extreme sea condition |
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| Publication number | Publication date |
|---|---|
| CN106516029B (en) | 2018-05-18 |
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