CN113581367A - Marine oil floating platform individual layer tilting wave wall structure - Google Patents
Marine oil floating platform individual layer tilting wave wall structure Download PDFInfo
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- CN113581367A CN113581367A CN202110821519.6A CN202110821519A CN113581367A CN 113581367 A CN113581367 A CN 113581367A CN 202110821519 A CN202110821519 A CN 202110821519A CN 113581367 A CN113581367 A CN 113581367A
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- 238000007667 floating Methods 0.000 title claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 45
- 239000010959 steel Substances 0.000 claims abstract description 45
- 239000002356 single layer Substances 0.000 claims abstract description 27
- 238000009423 ventilation Methods 0.000 claims abstract description 17
- 238000003466 welding Methods 0.000 claims abstract description 12
- 239000010410 layer Substances 0.000 claims abstract description 10
- 239000013535 sea water Substances 0.000 claims description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 230000000903 blocking effect Effects 0.000 claims description 16
- 238000010009 beating Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 10
- 230000009194 climbing Effects 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
- B63B17/04—Stanchions; Guard-rails ; Bulwarks or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B13/00—Conduits for emptying or ballasting; Self-bailing equipment; Scuppers
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- 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
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Abstract
The invention relates to the technical field of offshore oil engineering, and discloses a single-layer inclined wave-retaining wall structure of an offshore oil floating platform, which comprises wave-retaining wall bodies with different ownership forms, a vertical support, a horizontal support, a water-retaining wall, a drainage facility, a drainage hole, air holes and other components, wherein the wave-retaining wall bodies are arranged on the side between two layers of decks or on the side above the decks by adopting a plurality of groups of inclined surface structures similar to a shutter form, and the vertical support is a steel structure in the vertical direction and is welded and supported with the wave-retaining wall bodies. According to the single-layer inclined wave-blocking wall structure of the offshore oil floating platform, the wave-blocking wall main body is mainly used for providing wave slapping protection and ventilation functions for the floating platform, protecting equipment and facilities on a deck and improving the feasibility, safety and reliability of the floating platform; the wave wall structure consists of a supporting structure, a drainage facility, auxiliary ventilation and the like, adopts a plate girder structure formed by welding steel plates or sectional materials, and has the advantages of light weight, simple construction and investment saving.
Description
Technical Field
The invention relates to the technical field of offshore oil engineering, in particular to a single-layer inclined wave wall structure of an offshore oil floating platform.
Background
The ocean floating platform is conventional equipment for offshore oil development, comprises platforms with different functions, such as a drilling platform, a production platform and the like, and is of a ship type, a cylinder type, a semi-submersible type and the like in appearance. Wherein the floating platforms of the cylinder type and the ship type usually comprise a drilling platform and a floating storage and offloading oil production platform, two or more layers of an additional deck are usually arranged on the FPSO for preventing oil, gas and water treatment devices, usually the top of the ship cabin is called a main deck, and the upper deck is a process deck. Cylindrical and ship-type floating platforms are generally small in freeboard, and under the condition of being subjected to severe marine environmental conditions, such as under the condition of one-hundred-year environmental conditions which are generally minimum in design requirements of the platforms, the platforms have the risk of rising waves, seawater brought by the waves directly flaps or climbs through the broadside to exceed the height of the deck, and the seawater enters the deck to cause use influence and damage to offshore oil production and treatment facilities on the deck. A large number of oil, gas and water treatment devices, such as heating or inflammable and explosive equipment and pipelines, are arranged between the process deck and the production deck of the FPSO, and natural ventilation and heat dissipation are required to eliminate the above risks.
The prior art has the following defects and shortcomings:
the floating platform needs design working conditions which are usually considered for 100 years or other severe sea conditions in-place operation, the problem of wave rising exists above a main deck, and the main deck and equipment facilities above the main deck are easy to suffer from the risk of wave breaking and slapping, so that the problems of construction difficulty and huge investment consumption are caused.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a single-layer inclined wave wall structure of an offshore oil floating platform, which can solve the problems that the existing floating platform needs to consider severe sea conditions in-situ operation, the upper part of a main deck is subjected to wave, the main deck and equipment facilities on the main deck are easy to be subjected to the risk of wave breaking and slapping, and the construction is difficult and the investment cost is huge; the device provides wave slapping protection and ventilation functions for the floating platform by arranging the wave blocking wall, protects equipment and facilities on a deck, has obvious effect and improves the feasibility, safety and reliability of the floating platform; the wave blocking wall structure is composed of a body, a supporting structure, a drainage facility, auxiliary ventilation and the like, is a plate-girder structure formed by welding steel plates or sectional materials, is light in weight, simple in construction and low in investment, effectively solves the problem of preventing waves from entering a deck area, can play a role of breaking waves by combining a certain number of wave blocking walls, reduces the speed and height of the waves climbing along the side, meets the requirement of personnel flowing between two decks and heat dissipation of equipment, and eliminates the risk of combustion and explosion of a closed space between the two decks; the capability of resisting the wave-slapping load can be improved under the condition of less steel weight; collect the processing to unable discharge sea water, prevent that the deck from having the sea water to remain.
In order to realize the functions of wave slapping protection and ventilation for the floating platform, equipment and facilities on a deck are protected, the effect is obvious, and the feasibility, safety and reliability of the floating platform are improved; the wave wall structure comprises a body, a supporting structure, a drainage facility, auxiliary ventilation and the like, adopts a plate girder structure formed by welding steel plates or sectional materials, has light weight and simple construction, and saves investment, and the invention provides the following technical scheme: the utility model provides an offshore oil floating platform individual layer tilting wave wall structure, includes components such as wave wall body, vertical support, horizontal support, breakwater, drainage facility, wash port and bleeder vent of the different forms of ownership, the wave wall body adopts the multiunit inclined plane structure that is similar to "shutter" form to arrange in the topside between two-layer deck or on the deck, vertical support carries out the welding support for the steel construction of vertical direction and wave wall body, horizontal support carries out the welding support for horizontal steel construction and wave wall, drainage facility is for setting up a plurality of trompils or the sea water collection device that sets up on the technology deck on the wave wall body, the bleeder vent is the different forms discharge orifice of seting up on the wave wall.
Preferably, the wave wall body adopts a single-layer steel plate structure with a certain thickness, and the wave wall body is used for directly bearing the slapping, climbing and splashing of the waves in the severe marine environment.
Preferably, the wave wall body adopts a single-layer steel plate inclined design, the wave wall body has double functions of blocking wave beating and ventilating, the main deck adopts a straight plate, an arc plate or a special-shaped plate to be connected into a certain protection range in the horizontal direction in a welding mode, the vertical section of the main deck is in different shapes such as I shape, I + L shape or oblique T shape, and the wave wall enables broken seawater formed by wave beating to flow down along an inclined plane.
Preferably, the gap between different sloping plates of the wave wall meets the requirement of natural ventilation between two decks of the ship body, and the drainage facility directly drains the sea through the drainage hole or collects and processes through equipment so as to ensure that the equipment facility on the deck is not directly slapped and influenced by waves.
Preferably, the vertical support of the wave wall is a special-shaped support structure formed by cutting and splicing steel plates, the wave wall body is welded with the vertical support, and the wave wall body can bear larger beating load.
Preferably, the wave wall horizontal support is a section bar support structure such as flat steel, flat-bulb steel, angle steel and the like, the wave wall body is welded with the horizontal support, the horizontal support and the wave wall body are combined to form a plate frame type structure, so that the wave wall body can bear larger wave beating load while using less steel, and the wave wall body can bear larger beating load.
Preferably, the water retaining wall is of a steel plate structure or a plate beam structure, and the deck structure is welded with the water retaining wall body and used for blocking seawater splashed to flow into the deck.
Preferably, the wave wall drainage facility is characterized in that a plurality of openings are formed in the wave wall body for direct drainage, and the drainage holes are formed in a seawater collecting device arranged on a deck of the ship body and used for collecting, treating and discharging seawater splashed onto the deck.
Preferably, the air holes are arranged on openings of different patterns above the wave wall body between the two decks, and the air holes are used for certain auxiliary ventilation.
Compared with the prior art, the invention provides a single-layer inclined wave-retaining wall structure of an offshore oil floating platform, which has the following beneficial effects:
1. the single-layer inclined wave-retaining wall structure of the offshore oil floating platform has the advantages that by arranging the wave-retaining plate main body, the wave-retaining wall adopts the inclined plane, the beating force of broken waves can be effectively reduced, the waves are prevented from entering a deck area, meanwhile, a certain number of wave-retaining wall combinations can play a role of wave breaking, only a small amount of seawater is generated to pass through gaps between the wave-retaining walls, the inclined plane of the wave-retaining wall reduces the speed and the height of the waves climbing along the side through blocking and friction, the wave-retaining wall structure is simple, a certain number of groups can be arranged according to needs by adopting single-layer plane or curved steel plates, the wave-retaining wall structure is connected into a required wave-retaining range through welding, and the construction difficulty is small;
2. according to the single-layer inclined wave-retaining wall structure of the offshore oil floating platform, the main deck is arranged, and the gaps between the wave-retaining wall structures formed by the inclined planes ensure the natural circulation of air between the two decks, so that the flowing of personnel and the heat dissipation of equipment between the two decks are met, and the risk of combustion and explosion of a closed space between the two decks is eliminated;
3. the single-layer inclined wave-blocking wall structure of the offshore oil floating platform is provided with the horizontal supports and the vertical supports, adopts a certain number of horizontal and horizontal supports, can be formed by cutting steel plates or finished profiles such as angle steel, flat steel and the like, and can improve the capability of resisting wave slapping load under the condition of less steel weight by welding and forming a transversely and longitudinally staggered plate frame structure with a wave-blocking wall plate;
4. according to the single-layer inclined wave wall structure of the offshore oil floating platform, the water retaining wall and the drainage facility are arranged, and the water retaining structure is arranged on the deck, so that seawater penetrating into the deck is prevented from flowing to the facility area; arranging a certain number of openings at the joint of the wave-blocking wall and the deck, wherein the openings are used for discharging seawater collected by the deck; a seawater collecting device is arranged between the water retaining wall and the wave retaining wall on the process deck, so that seawater which cannot be discharged is collected and treated, and the seawater residue on the deck is prevented.
Drawings
FIG. 1 is a schematic side view of the present invention in a position with a support structure between two decks;
FIG. 2 is a schematic side view of the present invention in a position above a single deck having a support structure;
FIG. 3 is a schematic cross-sectional side view of an I-shaped wave wall according to the present invention;
FIG. 4 is a schematic view of a cross-sectional side view of an I + L-shaped wave wall in a conventional position according to the present invention;
fig. 5 is a schematic view of a side view structure of a cross section of an inclined T-shaped wave wall in a general position of the present invention.
In the figure: 1. a wave wall body; 2. a main deck; 3. a process deck; 4. vertically supporting; 5. horizontally supporting; 6. a drainage facility; 7. a drain hole; 8. a water retaining wall; 9. air holes are formed; 10. and (4) a water flowing hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a single-layer inclined wave-retaining wall structure of an offshore oil floating platform comprises wave-retaining wall bodies 1 with different ownership forms, vertical supports 4, horizontal supports 5, water-retaining walls 8, drainage facilities 6, drainage holes 7, ventilation holes 9 and other components, wherein the wave-retaining wall bodies 1 are arranged between two layers of decks or on the side of a board above the decks in a multi-group inclined plane structure similar to a blind window form, the vertical supports 4 are welded and supported with the wave-retaining wall bodies 1 through steel structures in the vertical direction, the horizontal supports 5 are welded and supported with the wave-retaining walls through horizontal steel structures, the drainage facilities 6 are seawater collecting devices arranged on the wave-retaining wall bodies 1 or on process decks 3, and the ventilation holes 9 are water flow holes 10 with different ownership forms arranged on the wave-retaining walls.
In conclusion, the wave blocking wall body 1 adopts a single-layer steel plate structure with a certain thickness, and the wave blocking wall body 1 is used for directly bearing the slapping, climbing and splashing of waves in a severe marine environment, so that the equipment is firmer and more durable; the wave barrier wall body 1 adopts a single-layer steel plate inclined design, the wave barrier wall body 1 has double functions of wave slapping prevention and ventilation, the main deck 2 adopts a straight plate, an arc plate or a special-shaped plate to be connected into a certain protection range in the horizontal direction in a welding mode, the vertical section of the main deck 2 is in different shapes such as I shape, I + L shape or oblique T shape, and the wave barrier wall enables broken seawater formed by wave slapping to flow down along an inclined plane, so that the device can ventilate; gaps between different inclined plates of the wave-retaining wall meet the requirement of natural ventilation between two decks of the ship body, and the drainage facilities 6 are directly drained to the sea through the drainage holes 7 or collected and processed through equipment so as to ensure that equipment facilities on the decks are not directly slapped and influenced by waves, so that the equipment can be practically broken; the vertical support 4 of the wave-blocking wall is a special-shaped support structure formed by cutting and splicing steel plates, the wave-blocking wall body 1 is welded with the vertical support 4, and the wave-blocking wall body 1 can bear larger impact load, so that the device is firm and practical; the wave wall horizontal support 5 is a section bar support structure such as flat steel, flat-bulb steel, angle steel and the like, the wave wall body 1 is welded with the horizontal support 5, the horizontal support 5 and the wave wall body 1 are combined to form a plate frame type structure, so that the wave wall body 1 can bear larger wave beating load while using less steel, and can bear larger beating load, and the arrangement can ensure that equipment is stably welded; the water retaining wall 8 is of a steel plate structure or a plate beam structure, and the deck structure is welded with the water retaining wall 8 body and used for preventing seawater splashed to flow into the deck, so that the water retaining wall can prevent water from permeating the equipment easily; the wave wall drainage facility 6 is characterized in that a plurality of openings are formed in the wave wall body 1 for direct drainage, and the sea water collecting device arranged on the deck of the ship body is provided with the drainage holes 7 for collecting, treating and discharging the splashed sea water falling into the deck, so that the equipment can collect the sea water conveniently; the air holes 9 are arranged on the openings with different patterns above the wave wall body 1 between the two layers of decks, and the air holes 9 are used for certain auxiliary ventilation effect, so that the equipment can be ventilated and practical.
The working use flow and the installation method of the invention are that when the marine oil floating platform single-layer inclined wave-blocking wall structure is used, the wave-blocking wall is arranged, the inclined plane can effectively reduce the beating force of broken waves and prevent the waves from entering a deck area, meanwhile, a certain number of wave-blocking wall combinations can play a role of wave breaking, only a small amount of seawater passes through the gap between the wave-blocking walls, the inclined plane of the wave-blocking wall blocks and rubs, and simultaneously the speed and the height of the waves climbing along the side are reduced, the wave-blocking wall structure is simple, a single-layer plane or curved steel plate is adopted, a certain number of groups can be arranged according to needs, the wave-blocking wall structure is connected into a required wave-blocking range by welding, and the construction difficulty is small; gaps among the wave wall structures formed by the inclined planes ensure natural circulation of air between the two decks, satisfy personnel flow between the two decks and heat dissipation of equipment, and eliminate risks of combustion and explosion of a closed space between the two decks; the transverse and horizontal supports 5 are adopted in a certain amount, the supports can be formed by cutting steel plates or finished profiles such as angle steel, flat steel and the like, and the cross-shaped and longitudinal-staggered plate frame structure is formed by welding and wave-blocking wall plates, so that the capability of resisting wave slapping load can be improved under the condition of less steel weight; a water retaining structure is arranged on the deck to prevent seawater penetrating into the deck from flowing to an equipment area; arranging a certain number of openings at the joint of the wave-blocking wall and the deck, wherein the openings are used for discharging seawater collected by the deck; a seawater collecting device is arranged between the water retaining wall 8 and the wave retaining wall on the process deck 3 to collect seawater which cannot be discharged, so that seawater residue on the deck is prevented; when the device is installed, the device is fixedly connected to the periphery of the ship for use.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides an offshore oil floating platform individual layer tilting wave wall structure which characterized in that: the water-retaining wall comprises a wave-retaining wall body (1), vertical supports (4), horizontal supports (5), a water-retaining wall (8), a drainage facility (6), drain holes (7), air holes (9) and other components in different forms, wherein the wave-retaining wall body (1) is arranged between two layers of decks or on a side of a ship board on the deck by adopting a plurality of groups of inclined plane structures similar to a shutter form, the vertical supports (4) are welded and supported with the wave-retaining wall body (1) by steel structures in the vertical direction, the horizontal supports (5) are welded and supported with the wave-retaining wall by horizontal steel structures, the drainage facility (6) is a seawater collecting device which is provided with a plurality of openings on the wave-retaining wall body (1) or is arranged on a process deck (3), and the air holes (9) are water flowing holes (10) which are arranged on the wave-retaining wall in different forms.
2. The single-layer inclined wave wall structure of the offshore oil floating platform according to claim 1, wherein: the wave blocking wall body (1) is of a single-layer steel plate structure with a certain thickness, and the wave blocking wall body (1) is used for directly bearing the slapping, climbing and splashing of waves in a severe marine environment.
3. The single-layer inclined wave wall structure of the offshore oil floating platform according to claim 1, wherein: the wave blocking wall is characterized in that the wave blocking wall body (1) is designed in a single-layer steel plate tilting mode, the wave blocking wall body (1) has the double functions of wave blocking, beating and ventilation, the main deck (2) is formed by connecting straight plates, arc plates or special-shaped plates in a horizontal direction in a welding mode to form a certain protection range, the vertical section of the main deck (2) is in different shapes such as I-shaped, I + L-shaped or oblique T-shaped, and the wave blocking wall enables broken seawater formed by wave beating to flow down along the inclined plane.
4. The single-layer inclined wave wall structure of the offshore oil floating platform according to claim 1, wherein: the gap between different sloping plates of the wave-retaining wall meets the requirement of natural ventilation between two decks of the ship body, and the drainage facility (6) is directly drained through the drain hole (7) or collected through equipment to ensure that the equipment facilities on the deck are not directly slapped and influenced by waves.
5. The single-layer inclined wave wall structure of the offshore oil floating platform according to claim 1, wherein: the vertical supports (4) of the wave-blocking wall are special-shaped support structures formed by cutting and splicing steel plates, the wave-blocking wall body (1) is welded with the vertical supports (4), and the wave-blocking wall body (1) can bear larger beating load.
6. The single-layer inclined wave wall structure of the offshore oil floating platform according to claim 1, wherein: the wave-blocking wall horizontal support (5) is of a section bar supporting structure such as flat steel, flat-bulb steel and angle steel, the wave-blocking wall body (1) is welded with the horizontal support (5), the horizontal support (5) and the wave-blocking wall body (1) are combined to form a plate-frame structure, so that the wave-blocking wall can bear larger wave beating load while using less steel, and the wave-blocking wall body (1) can bear larger beating load.
7. The single-layer inclined wave wall structure of the offshore oil floating platform according to claim 1, wherein: the water retaining wall (8) is of a steel plate structure or a plate beam structure, and the deck structure is welded with the water retaining wall (8) body and used for blocking seawater splashed to flow into the deck.
8. The single-layer inclined wave wall structure of the offshore oil floating platform according to claim 1, wherein: the wave wall drainage facility (6) is characterized in that a plurality of openings are formed in the wave wall body (1) for direct drainage, and the sea water collecting device arranged on the ship body deck of the drainage hole (7) is used for collecting, treating and discharging the sea water splashed and falling into the deck.
9. The single-layer inclined wave wall structure of the offshore oil floating platform according to claim 1, wherein: the air holes (9) are arranged on the openings of different patterns above the wave wall body (1) between the two layers of decks, and the air holes (9) are used for certain auxiliary ventilation.
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| CN202110821519.6A CN113581367A (en) | 2021-07-20 | 2021-07-20 | Marine oil floating platform individual layer tilting wave wall structure |
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| CN202110821519.6A CN113581367A (en) | 2021-07-20 | 2021-07-20 | Marine oil floating platform individual layer tilting wave wall structure |
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| WO2017119618A1 (en) * | 2016-01-07 | 2017-07-13 | 부산대학교 산학협력단 | Structure body for reducing wave impact load on offshore structure |
| CN208216927U (en) * | 2018-05-14 | 2018-12-11 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | A kind of deck bulwark drainage hole structure |
| CN109080781A (en) * | 2018-08-01 | 2018-12-25 | 上海交通大学 | A kind of inhibition wave climbs pore structure object device and its design method |
| CN109625178A (en) * | 2018-12-20 | 2019-04-16 | 广东中远海运重工有限公司 | A kind of side of a ship wall construction of anti-deformation tearing |
| CN210000516U (en) * | 2019-01-17 | 2020-01-31 | 中国船舶及海洋工程设计研究院（中国船舶工业集团公司第七0八研究所） | cylindrical ocean floating structure wave-rising-preventing structure |
| CN111305145A (en) * | 2020-03-02 | 2020-06-19 | 中国海洋石油集团有限公司 | Trapezoidal floating breakwater with waste tires |
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