CN116142398A - Semi-submersible ship capable of sailing in polar region - Google Patents

Semi-submersible ship capable of sailing in polar region Download PDF

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Publication number
CN116142398A
CN116142398A CN202310004604.2A CN202310004604A CN116142398A CN 116142398 A CN116142398 A CN 116142398A CN 202310004604 A CN202310004604 A CN 202310004604A CN 116142398 A CN116142398 A CN 116142398A
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CN
China
Prior art keywords
ice
stern
semi
ship
bow
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310004604.2A
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Chinese (zh)
Inventor
唐文合
朱万武
崔彬
刘冰
苏文东
黄燕平
张楠楠
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Guangzhou Shipyard International Co Ltd
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Guangzhou Shipyard International Co Ltd
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Publication date
Application filed by Guangzhou Shipyard International Co Ltd filed Critical Guangzhou Shipyard International Co Ltd
Priority to CN202310004604.2A priority Critical patent/CN116142398A/en
Publication of CN116142398A publication Critical patent/CN116142398A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • B63B35/4413Floating drilling platforms, e.g. carrying water-oil separating devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/08Ice-breakers or other vessels or floating structures for operation in ice-infested waters; Ice-breakers, or other vessels or floating structures having equipment specially adapted therefor
    • B63B35/12Ice-breakers or other vessels or floating structures for operation in ice-infested waters; Ice-breakers, or other vessels or floating structures having equipment specially adapted therefor having ice-cutters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63HMARINE PROPULSION OR STEERING
    • B63H25/00Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
    • B63H25/42Steering or dynamic anchoring by propulsive elements; Steering or dynamic anchoring by propellers used therefor only; Steering or dynamic anchoring by rudders carrying propellers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • B63B2035/442Spar-type semi-submersible structures, i.e. shaped as single slender, e.g. substantially cylindrical or trussed vertical bodies

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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 semi-submersible ship capable of sailing in polar regions, which comprises a ship body, wherein the ship body comprises a ship bow, a ship body and a ship stern which are connected in sequence, and a ballast water tank is arranged in the ship body; the bow front end is provided with a bow ice blade for breaking ice, the rear end of the stern is provided with a stern ice blade for breaking ice, and the stern is further provided with a full-rotation nacelle type propeller for driving sailing. When the sailing direction is turned, the ship body does not need to be rotated 180 degrees, so that the problem that the ship body can not be turned on ice is solved; importantly, the bow ice blade can break the front ice surface when the bow is at sea, and the stern ice blade can break the rear ice surface when the stern is at sea, so that the function of independently breaking ice and sailing in the ice surface of the semi-submersible vessel is realized, the ice breaking and opening of the ice by the ice breaker are not needed, and the transportation cost is reduced.

Description

Semi-submersible ship capable of sailing in polar region
Technical Field
The application relates to the technical field of ships, in particular to a semi-submersible ship capable of sailing in polar regions.
Background
The polar region is rich in oil gas resources, development of the polar region oil gas resources is more and more paid attention to and participated in all countries worldwide, and the overall transportation capacity of various large platforms/components/modules and the like required in the polar region resource development process is more and more concerned and needs to be solved.
The transportation and installation of the oil and gas exploitation platform generally need to use a semi-submersible vessel, but the existing semi-submersible vessel operates on a non-polar region route, cannot navigate in a polar region, cannot independently transport large-scale equipment required in polar resource exploitation activities to the polar region as a whole, and can only rely on an icebreaker to break ice in front, so that the transportation cost is increased.
Disclosure of Invention
The aim of the embodiment of the invention is that: a semi-submersible vessel capable of sailing in polar regions is provided which solves the above-mentioned problems of the prior art.
In order to achieve the above purpose, the present application adopts the following technical scheme:
the semi-submersible ship capable of sailing in polar regions comprises a ship body, wherein the ship body comprises a ship bow, a ship body and a ship stern which are connected in sequence, and a ballast water tank is arranged in the ship body; the bow front end is provided with a bow ice blade for breaking ice, the rear end of the stern is provided with a stern ice blade for breaking ice, and the stern is further provided with a full-rotation nacelle type propeller for driving sailing.
Optionally, a totally enclosed driving bridge is arranged at the top of the bow.
Optionally, the glass window of the totally-enclosed driving bridge is electrothermal glass.
Optionally, a first heating coil is arranged in the ballast water tank, and the ballast water tank is internally heated by the first heating coil.
Optionally, a second heating coil is arranged on the inner top wall of the ballast water tank, and the deck of the hull is heated through the second heating coil.
Optionally, a hot water interface communicated with the ballast water tank is arranged on the deck of the hull.
Optionally, a movable buoyancy tank is arranged on the hull, and a third heating coil is arranged in the movable buoyancy tank.
Optionally, the included angle between the bow ice blade and the stern ice blade and the water surface is 25-60 degrees.
Optionally, the bow ice blade and the stern ice blade are made of low-temperature steel, and the thickness of each of the bow ice blade and the stern ice blade is not less than 100mm.
Optionally, the hull is made of cryogenic steel.
The beneficial effects of this application are: the invention provides a semi-submersible ship capable of sailing in polar regions, wherein a bow ice blade and a stern ice blade are respectively arranged at the bow and the stern, and when the ship runs in polar regions, the direction of a full-rotation nacelle type propeller can be adjusted to adjust the sailing direction in the process of running in polar regions, namely, the direction of the ship does not need to be adjusted by a steering engine; when the sailing direction is turned, the ship body does not need to be rotated 180 degrees, so that the problem that the ship body can not be turned on ice is solved; importantly, the bow ice blade can break the front ice surface when the bow is at sea, and the stern ice blade can break the rear ice surface when the stern is at sea, so that the function of independently breaking ice and sailing in the ice surface of the semi-submersible vessel is realized, the ice breaking and opening of the ice by the ice breaker are not needed, and the transportation cost is reduced.
Drawings
The present application is described in further detail below with reference to the drawings and examples.
FIG. 1 is a schematic view of a semi-submersible vessel capable of polar course according to an embodiment of the present application.
In the figure:
1. a bow; 11. a bow ice blade; 2. a hull; 21. a ballast water tank; 3. stern; 31. a stern ice blade; 4. full-rotation pod type propeller; 5. totally enclosed driving bridge; 6. and (5) moving the buoyancy tank.
Detailed Description
In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present application more clear, the technical solutions of the embodiments of the present application are described in further detail below, and it is obvious that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
In the description of the present application, unless explicitly stated and limited otherwise, the terms "connected," "secured" and "fixed" are to be construed broadly, as for example, they may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In this application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
Referring to fig. 1, the present embodiment provides a semi-submersible vessel capable of sailing in polar regions, comprising a hull, wherein the hull comprises a bow 1, a hull 2 and a stern 3 which are sequentially connected, and a ballast water tank 21 is arranged in the hull 2; the front end of the ship bow 1 is provided with a bow ice blade 11 for breaking ice, the rear end of the ship stern 3 is provided with a stern ice blade 31 for breaking ice, and the ship stern 3 is also provided with a full-rotation nacelle type propeller 4 for driving sailing.
When large cargoes need to be loaded or unloaded, the hull is sunk by adding water into the ballast water tank 21 so as to reduce the height of the hull 2, so that the large cargoes can cross the stern 3 and enter the bearing range of the hull 2; after loading or unloading the cargo, the water in the ballast water tank 21 is discharged outwards, so that the weight of the ship body can be reduced, and the ship body can be floated so as to navigate with the ship body.
The full-rotation nacelle type propeller 4 can adjust the propulsion direction by rotating the full-rotation nacelle type propeller, so that the sailing direction of the semi-submersible is adjusted, and particularly, when the bow sails, the propulsion direction of the full-rotation nacelle type propeller 4 is kept to point to the bow; when turning around, the full-rotation nacelle type propeller 4 can be rotated for 0-180 degrees, and the full-rotation nacelle type propeller 4 can push the whole ship body to turn around; when the ship body is required to be turned, but not enough space is reserved, the full-rotation nacelle type propeller 4 can be directly rotated for 180 degrees, so that the propelling direction of the full-rotation nacelle type propeller is opposite to the bow, at the moment, the stern is taken as the front end, and the bow is taken as the rear end, namely, the semi-submersible is in a stern sailing state.
In order to realize independent sailing on frozen sea surfaces, the bow and stern ice blades 11 and 31 are respectively arranged on the bow 1 and the stern 3, and when sailing on the ice surface, the bow ice blade 11 can continuously break the ice surface of the sea surfaces in the advancing process, so that the semi-submersible ship can normally move forward; when sailing on ice in the stern direction, the stern ice blade 31 can also break open the ice on the sea surface continuously in the forward process, so that the semi-submersible can normally move forward. Meanwhile, when the ship sails in the stern direction, the full-rotation nacelle type propeller 4 can continuously suck crushed ice and discharge the crushed ice to the two sides of the ship body in the process of breaking ice by the stern ice blade 31, so that smoothness of a channel is ensured.
Based on the semi-submersible ship capable of sailing in polar regions, the bow and stern portions 1 and 3 are respectively provided with the bow ice blade 11 and the stern ice blade 31, and when the ship encounters ice in polar regions, the sailing direction can be adjusted by adjusting the direction of the full-rotation nacelle type propeller 4, namely, steering engine adjustment is not needed; when the sailing direction is turned, the ship body does not need to be rotated 180 degrees, so that the problem that the ship body can not be turned on ice is solved; importantly, the bow ice blade 11 can break the front ice surface during the heading and sailing, and the stern ice blade 31 can break the rear ice surface during the stern and sailing, so that the function of independently breaking ice and sailing in the ice surface of the semi-submersible vessel is realized, the ice breaking and opening of the ice breaker are not needed, and the transportation cost is reduced.
In some of these embodiments, the top of the bow 1 is provided with a fully enclosed driving bridge 5.
The driving bridge is arranged to be totally enclosed, so that an enclosed space can be provided for internal control equipment and staff, and the influence on the use function of the internal control equipment and the working comfort of the staff under the polar environment is avoided.
Further, the glass window of the totally-enclosed driving bridge 5 is electrothermal glass.
Specifically, because the outer wall temperature of the glass window of the totally enclosed driving bridge 5 is low, the outside moisture is easy to condense into frost on the glass window, and the visual field of a driver is further influenced.
In some embodiments, a first heating coil is disposed within the ballast tank 21, and the ballast tank is internally heated by the first heating coil.
Specifically, the semi-submersible vessel is configured to load and unload cargo by loading and unloading the ballast water tank 21, and therefore it is necessary to ensure fluidity of water in the ballast water tank 21. And when working under extremely low temperature condition, the water in the difficult-to-keep ballast water tank 21 does not freeze, therefore, this scheme has set up first heating coil in ballast water tank 21 inside, and when the temperature of the inside temperature of ballast water tank 21 was too low, had the trend of icing, can avoid icing to influence the discharge of water through opening first heating coil to its heating, made semi-submerged ship also can realize normal submerged function in the polar region.
Also, in the extremely low temperature environment, the problem of ice formation is easy to occur on the deck surface of the hull 2, and the ice formation on the deck may bring inconvenience to the lashing of the cargo and may affect the reliability of cargo fixation, for which purpose, in this solution, the inner ceiling wall of the ballast tank 21 is provided with a second heating coil through which the deck of the hull 2 is heated.
Specifically, unlike the first heating coil, the first heating coil is used for heating water in the ballast water tank 21, and the water level in the ballast water tank 21 is not necessarily in a high position, so the first heating coil should be disposed in a middle or lower position in the ballast water tank 21; the purpose of the second heating coil is mainly to heat the deck, so that the surface of the deck is prevented from being frozen, the second heating coil is required to be tightly attached to the inner surface of the deck, and the deck is heated through the second heating coil, so that the problem of freezing on the surface of the deck can be effectively avoided. In addition, this scheme sets up the second heating coil in ballast water tank inside, when realizing the heating to the deck, can avoid the second heating pipe to set up at the deck surface and influence the loading of goods and the too quick scheduling problem of heat dissipation.
Further, a hot water port communicating with the ballast water tank 21 is provided on the deck of the hull 2.
Specifically, the first heating coil is arranged in the ballast water tank 21 to heat water, and compared with the external temperature, the temperature of the water in the ballast water tank 21 is higher, and when the heating of the second heating tube is insufficient to solve the problem of deck icing, the water in the ballast water tank 21 can be extracted through the hot water interface to wash the deck surface, so that the icing on the deck surface is melted.
In some embodiments, a mobile buoyancy tank 6 is arranged on the hull 2, and a third heating coil is arranged in the mobile buoyancy tank 6.
Specifically, through water injection or drainage to the removal buoyancy tank 6, cooperation ballast water tank can realize the submergence or the function of floating up of hull to can be according to carrying cargo size and weight focus condition removal buoyancy tank 6 position, reach best transportation state and operating mode. Furthermore, the third heating coil is arranged in the movable buoyancy tank 6 to heat the water stored in the movable buoyancy tank, so that the influence of the internal icing on the water discharge is avoided. Optionally, four mobile buoyancy tanks 6 are provided on the hull 2.
With respect to the arrangement of the fore blade 11 and the aft blade 31, referring to fig. 1, it is preferable that the angle between the fore blade 11 and the aft blade 31 and the water surface is 25 to 60 °.
Specifically, when breaking ice, the included angles between the bow and stern ice blades 11 and 31 and the ice surface are acute angles, and the bow and stern ice blades 11 and 31 can apply forward and downward tangential forces to the ice surface, so that upward arching of the ice surface can be avoided, and the ice breaking effect is optimized.
Preferably, the fore blade 11 and the aft blade 31 are made of low-temperature steel, and each has a thickness of not less than 100mm.
The bow ice blade 11 and the stern ice blade 31 are made of low-temperature steel, so that the bow ice blade 11 and the stern ice blade 31 can be ensured to have enough strength in a low-temperature environment, and the semi-submersible ship is large in size, and the thicknesses of the bow ice blade 11 and the stern ice blade 31 are set to be more than 100mm, so that the bow ice blade 11 and the stern ice blade 31 can be ensured to have enough strength, and the good ice breaking performance of the semi-submersible ship can be realized.
Also preferably, the hull is made of cryogenic steel. The ship body is made of low-temperature steel plates, and is applicable to work in a low-temperature environment, so that the ship body is ensured to have enough strength all the time.
In the description herein, it should be understood that the terms "upper," "lower," "left," "right," and the like are merely for convenience of description and to simplify the operation, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the application. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for providing a special meaning.
In the description herein, reference to the term "one embodiment," "an example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in the foregoing embodiments, and that the embodiments described in the foregoing embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.
The technical principles of the present application are described above in connection with specific embodiments. These descriptions are provided only for the purpose of illustrating the principles of the present application and should not be construed as limiting the scope of the present application in any way. Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification without undue burden from the present disclosure.

Claims (10)

1. The semi-submersible ship capable of sailing in polar regions is characterized by comprising a ship body, wherein the ship body comprises a ship bow (1), a ship body (2) and a ship stern (3) which are connected in sequence, and a ballast water tank (21) is arranged in the ship body (2); the ship is characterized in that a bow ice blade (11) for breaking ice is arranged at the front end of the ship bow (1), a stern ice blade (31) for breaking ice is arranged at the rear end of the ship stern (3), and a full-rotation nacelle type propeller (4) for driving sailing is further arranged at the ship stern (3).
2. Semi-submersible vessel sailing in polar regions according to claim 1, characterized in that the top of the bow (1) is provided with a totally enclosed driving bridge (5).
3. Semi-submersible vessel sailing in polar regions as claimed in claim 2, characterized in that the glass window of the totally enclosed driving bridge (5) is an electrothermal glass.
4. Semi-submersible vessel sailing in polar regions as in claim 1, characterized in that a first heating coil is provided inside the ballast tank (21), by which the inside of the ballast tank is heated.
5. Semi-submersible vessel sailing in polar regions as claimed in claim 4, characterized in that the inner ceiling of the ballast tank (21) is provided with a second heating coil by means of which the deck of the hull (2) is heated.
6. Semi-submersible vessel sailing in polar regions as claimed in claim 5, characterized in that a hot water interface is provided on the deck of the hull (2) in communication with the ballast water tanks (21).
7. Semi-submersible vessel sailing in polar regions according to claim 1, characterized in that the hull (2) is provided with a mobile buoyancy tank (6), in which mobile buoyancy tank (6) a third heating coil is arranged.
8. Semi-submersible vessel sailing in polar regions according to claim 1, characterized in that the angle between the bow and stern skates (11, 31) and the water surface is 25-60 °.
9. Semi-submersible vessel sailing in polar regions according to claim 1, characterized in that the bow and stern skates (11, 31) are made of cryogenic steel, and have a thickness not less than 100mm.
10. The polar navigation semi-submersible vessel of claim 1 wherein the hull is made of cryogenic steel.
CN202310004604.2A 2023-01-03 2023-01-03 Semi-submersible ship capable of sailing in polar region Pending CN116142398A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310004604.2A CN116142398A (en) 2023-01-03 2023-01-03 Semi-submersible ship capable of sailing in polar region

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310004604.2A CN116142398A (en) 2023-01-03 2023-01-03 Semi-submersible ship capable of sailing in polar region

Publications (1)

Publication Number Publication Date
CN116142398A true CN116142398A (en) 2023-05-23

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CN202310004604.2A Pending CN116142398A (en) 2023-01-03 2023-01-03 Semi-submersible ship capable of sailing in polar region

Country Status (1)

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CN (1) CN116142398A (en)

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