Design and construction method of marine suspension data center

Abstract

The invention discloses a design and construction method of an in-sea suspension data center, and belongs to the field of seabed data center construction. The suspension data center is designed and built through five parts including a pipe gallery square cabin cluster, a cooling system, an anchoring system, a tension key system and a ballast floating control system; the method has the advantages that the data center of the method can suspend at different depths in seawater and is not limited to the seabed any more; by adjusting the height of the suspension center, the heat dissipation efficiency of the data center can be greatly improved; compared with a seabed data center, heat is dispersed into seawater of different depths, heat diffusion is accelerated, and the system is more environmentally friendly.

Description

Technical Field

[0001] The present invention relates to the field of submarine data center construction, and in particular to a method for designing and constructing an underwater suspended data center. Background Art

[0002] Submarine data centers are an important part of the "new infrastructure", but there is currently no plan for building a large number of data cabin clusters that can completely solve this problem. At the same time, the project needs to cross seas of different depths. The settlement control of various structures under complex geological conditions is a major difficulty in engineering construction, and there is relatively little research on this issue.

[0003] Starting from the connection of the cluster of submarine corridor cabins suspended in water, the design and construction methods of data centers are studied to solve the difficulties in the construction of submarine data centers. A design and construction method for underwater suspended data centers is proposed. This method can effectively deal with the problem of connecting submarine data centers with shore bases, and has promotion and application value for the construction of submarine data centers. Summary of the invention

[0004] The purpose of the present invention is to overcome the above problems existing in the prior art and to greatly improve the technical effect thereof on the basis of the original technology; for this purpose, the present invention provides a method for designing and constructing an underwater suspended data center, the method comprising:

[0005] (1) Connection of pipe gallery and cabin clusters: The pipe gallery of the data center is composed of multiple circular and square steel pipe structures. Each pipe gallery is divided into a long axis and a short axis in the horizontal direction. Cabins are connected at both ends of the long axis of each pipe gallery to realize the clustering of pipe gallery and cabins.

[0006] (2) Arrangement of cooling system: The cooling system is arranged outside the data cabin, and the cabin is cooled by extracting seawater for heat exchange with the heat inside the cabin and discharging the seawater after heat exchange into the sea;

[0007] (3) Arrangement of mooring system: Arrange multiple mooring points on the top and bottom of the pipe gallery shelter cluster, including floating mooring points and seabed mooring points. Through the cooperation of the floating mooring points and the seabed mooring points, the data center is fixed and suspended at a set position in the seawater;

[0008] (4) Arrangement of tension key system: Arrange tension key system at corresponding positions of floating mooring point and seabed mooring point. The tension key system is used to control the vertical movement of the pipe gallery shelter cluster to avoid excessive acceleration of vertical movement;

[0009] (5) Arrangement of ballast flotation control system: The ballast flotation control system of the data center consists of multiple ballast modules. The ballast system is mounted externally on the corridor, and the ballast modules are evenly arranged in two horizontal directions of the corridor. Each ballast module has an independent ballast control system, which can be installed and removed at any time.

[0010] (6) The design method is: reasonably arrange the spacing of the data cubes according to the preset flow rate and the heat rate processed by the cooling system;

[0011] (7) The construction method is: the corresponding devices of the methods of steps (1) to (5) are used to realize the installation of the pipe gallery cabin cluster, the ballast system, the mooring system, the cooling system and the tension key system.

[0012] The pipe gallery cabin cluster includes: first, arranging the data cabins in layers and in two directions with equal spacing; then, optimizing and determining the spacing in three directions according to the heat dissipation power of the data cabins; finally, connecting the data cabins and the pipe gallery by flange connection; the flange connection is a mechanical method for connecting pipelines and equipment; the pipe gallery of the data center composed of multiple circular and square steel pipe structures includes: the pipe gallery constituting the data center is closed to prevent the discharge of gas.

[0013] The method of optimizing and determining the spacing in three directions according to the heat dissipation power of the data cabin includes: a) establishing a CFD numerical model of heat diffusion according to the structural parameters of the corridor cabin cluster; the structural parameters include the number of cabins, spacing, power and cooling; b) using different data cabin powers, cross-sectional flow velocities and flow directions as boundary conditions of the heat diffusion model; c) calculating the heat carried away by the entire calculation area within a preset time; d) establishing an analysis database of different cabins with different spacing in three directions of length, width and height, different data cabin powers, cross-sectional flow velocities and flow directions and the energy carried away by the sea; e) using different cabins with different spacing in three directions of length, width and height, different data cabin powers, cross-sectional flow velocities and flow directions as boundary conditions of the heat diffusion model; and flow direction as input, establish a neural network model, and take the heat taken away by the sea as output; f) train by analyzing all data input in the database to establish a neural network prediction model; g) collect data including water depth, flow velocity and flow direction of the sea area where the data center is built; h) consider the distance in the three directions of length, width and height of the cabin and the power of the data cabin, the interval and step amount of the cross-sectional flow velocity and flow direction, consider all data combinations as neural network input, and obtain heat data; i) for all data sets that meet the heat diffusion requirements, evaluate the cluster utility of the distance in the three directions of length, width and height of the cabin and the power of the data cabin; j) take the cluster utility meeting the preset value as the optimization goal.

[0014] The cooling system is arranged outside the data cube and includes: the cooling system refers to a radiator, which is arranged outside the data cube; a server cluster and a drainage pipeline are arranged inside the data cube; the radiator extracts seawater to exchange heat with the heat inside the cube, and discharges the seawater after heat exchange into the sea, so as to achieve the purpose of cooling the cube.

[0015] The floating mooring point includes: an anchor point, a mooring cable, a buoy, a connecting device and a stabilizing device; the seabed mooring point includes: a seabed anchor and a mooring cable.

[0016] The tension key system comprises: the position where the tension key system is arranged at the seabed mooring point is usually a seabed anchor and a seabed joint device; the position where the tension key system is arranged at the floating mooring point is usually arranged on a floating platform.

[0017] The ballast buoyancy control system includes: ballast modules are installed on each layer of the horizontal and longitudinal pipe corridors, and the installed ballast modules include fixed weight ballast modules and ballast modules capable of water injection and air control; the fixed weight ballast modules and the ballast modules capable of water injection and air control are evenly arranged on the pipe corridor in layers; the ballast modules dynamically control the ballast modules capable of water injection and air control according to a preset buoyancy coefficient; the entire pipe corridor square cabin cluster is controlled to meet a preset anti-buoyancy coefficient by dynamically controlling the overall water injection load of the ballast modules capable of water injection, so that the pipe corridor square cabin cluster can sit on the bottom under extreme wind and wave conditions, but will not sink into the soil to ensure stable heat transfer of seawater and stable operation inside the pipe corridor square cabin cluster.

[0018] The ballast flotation control system also includes: a ballast module capable of injecting air, a floating mooring point and a tension key system of the ballast flotation control system to jointly adjust the rise of the data center; a ballast module capable of injecting water, a seabed mooring point and a tension key system of the ballast flotation control system to jointly adjust the sinking of the data center.

[0019] The construction method comprises: 1) assembly of the pipe gallery square cabin cluster structure: assembling the bottom square cabin and corridor in the dry dock; towing the first square cabin and corridor in the water to the deep water area; installing the ballast flotation control system, installing the ballast module on each layer of the pipe gallery; and reserving the controller for final installation on the top; using the shore control crane to pile the pipe gallery between layers, and then pile the upper square cabin and corridor; repeating the pile lifting operation until the entire pipe gallery square cabin cluster is completed; 2) construction of the anchoring system: connecting multiple cables to the reserved cable connection points on the side of the entire pipe gallery square cabin cluster; pre-installing the anchor body in the sea, connecting the anchor cable, and connecting the cable to the concentrated cable connection point of the pipe gallery; 3) installation of the tension key system in the sea: connecting the tension key to the corresponding embedded parts of the vertical pipe gallery, and fixing the tension key; the corresponding embedded parts include: corresponding positions of the seabed mooring point and the floating mooring point.

[0020] The beneficial effects of the present invention are:

[0021] The present invention proposes a method for designing and constructing an underwater suspended data center. The advantage of the present invention is that the present invention provides a method for designing and constructing an underwater suspended data center. The data center of this method can be suspended at different depths in the seawater and is no longer limited to the seabed. By adjusting the height of the suspension center, the heat dissipation efficiency of the data center will be greatly improved. Compared with the seabed data center, the heat is dispersed into the seawater at different depths, which speeds up the diffusion of heat and is more environmentally friendly. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 : A flow chart of a method for designing and constructing an underwater suspended data center according to the present invention. DETAILED DESCRIPTION

[0023] The specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings; it should be understood that the specific embodiments given here are only used to illustrate and explain the present invention and cannot be used to limit the present invention.

[0024] like Figure 1 As shown, a flowchart of a method for designing and constructing a suspended data center in the sea according to an embodiment of the present invention includes: step S200, connection of a pipe gallery and a square cabin cluster: a pipe gallery of a data center is formed by a plurality of circular and square steel pipe structures, and each pipe gallery is divided into a long axis and a short axis in the horizontal direction; square cabins are connected at both ends of the long axis of each pipe gallery to realize a cluster of pipe gallery and square cabins; step S201, arrangement of a cooling system: the cooling system is arranged outside the data square cabin, and heat is exchanged between the seawater and the heat inside the square cabin by extracting the seawater, and the seawater after the heat exchange is discharged into the sea, so as to achieve the purpose of cooling the square cabin; step S202, arrangement of an anchoring system: a plurality of mooring points are arranged at the top and bottom of the pipe gallery and square cabin cluster, and the mooring points include: a floating mooring point and a seabed mooring point, and the data center is fixed and suspended at a set position in the seawater through the cooperation of the floating mooring point and the seabed mooring point; step S2 03. Arrange the tension key system: Arrange the tension key system at the corresponding positions of the floating mooring point and the seabed mooring point. The tension key system is used to control the vertical movement of the corridor cabin cluster to avoid excessive acceleration of the vertical movement; Step S204, arrange the ballast flotation control system: The ballast flotation control system of the data center is composed of multiple ballast modules; an external ballast system of the corridor is adopted to evenly arrange the ballast modules in two horizontal directions of the corridor; each ballast module has an independent ballast control system, which can be installed and disassembled at any time; Step S205, the design method is: reasonably arrange the spacing of the data cabins according to the preset flow rate and the heat rate processed by the cooling system; Step S206, the construction method is: realize the installation of the corridor cabin cluster, the ballast system, the mooring system, the cooling system and the tension key system through the corresponding devices of the methods of steps S200 to S204.

[0025] Step S200, connection of the pipe gallery and cabin cluster: the pipe gallery of the data center is composed of multiple circular and square steel pipe structures, and each pipe gallery is divided into a long axis and a short axis in the horizontal direction; cabins are connected at both ends of the long axis of each pipe gallery to realize the clustering of pipe gallery and cabins.

[0026] In the above embodiment, specifically, the pipe gallery cabin clustering method: first, the data cabins are arranged in layers and in two directions of the plane with equal spacing; then, according to the heat dissipation power of the data cabins, the spacing in three directions is optimized and determined; finally, the data cabins and the pipe gallery are connected by flange connection; the flange connection is a mechanical method for connecting pipelines and equipment; the pipe gallery of the data center composed of multiple circular and square steel pipe structures includes: the pipe gallery constituting the data center is closed to prevent the discharge of gas; the data cabin stratification refers to the data cabins being arranged in layers on the pipe gallery, and the data cabin plane refers to the plane composed of the length and width of the data cabin; the three directions refer to the two directions of the data cabin plane plus the three directions of the data cabin composed of the directions along the layers.

[0027] In the above embodiment, specifically, the method of optimizing and determining the spacing in three directions according to the heat dissipation power of the data cabin is as follows: a) establishing a CFD numerical model of heat diffusion according to the structural parameters of the corridor cabin cluster; the structural parameters include the number of cabins, spacing, power and cooling; b) using different data cabin powers, cross-sectional flow velocities and flow directions as boundary conditions of the heat diffusion model; c) calculating the heat taken away by the entire calculation area within a preset time; d) establishing an analysis database of different cabins with different spacing in three directions of length, width and height, different data cabin powers, cross-sectional flow velocities and flow directions and the energy taken away by the sea; e) using different cabins with different spacing in three directions of length, width and height, different data cabin powers, cross-sectional flow velocities and flow directions as boundary conditions of the heat diffusion model; f) Train all the data input in the analysis database to establish a neural network prediction model; g) Collect data including water depth, flow velocity and flow direction of the sea area where the data center is located; h) Consider all data combinations as neural network input, including the distance in the three directions of length, width and height of the cabin and the power of the data cabin, the interval of cross-sectional flow velocity and flow direction, and the step amount, and obtain heat data; i) For all data sets that meet the requirements of heat diffusion, evaluate the cluster utility of the distance in the three directions of length, width and height of the cabin and the power of the data cabin; j) Take the cluster utility meeting the preset value as the optimization goal.

[0028] Step S201, arranging a cooling system: The cooling system is arranged outside the data cabin, extracting seawater to exchange heat with the heat inside the cabin, and discharging the seawater after heat exchange into the sea, so as to achieve the purpose of cooling the cabin.

[0029] In the above embodiment, specifically, the cooling system refers to a radiator, which is arranged outside the data cube; a server cluster and a drainage pipeline are arranged inside the data cube; the radiator extracts seawater to exchange heat with the heat inside the cube, and discharges the seawater after heat exchange into the sea, so as to achieve the purpose of cooling the cube.

[0030] Step S202, arranging the mooring system: arranging multiple mooring points on the top and bottom of the pipe gallery cabin cluster, wherein the mooring points include floating mooring points and seabed mooring points. Through the cooperation of the floating mooring points and the seabed mooring points, the data center is fixed and suspended at a set position in the seawater.

[0031] In the above embodiments, specifically, the floating mooring point includes: an anchor point, a mooring cable, a buoy, a connecting device and a stabilizing device; and the seabed mooring point includes: a seabed anchor and a mooring cable.

[0032] Step S203, arranging a tension key system: arranging a tension key system at corresponding positions of the floating mooring point and the seabed mooring point, wherein the tension key system is used to control the vertical movement of the pipe gallery cabin cluster to avoid excessive acceleration of the vertical movement.

[0033] In the above embodiments, specifically, the location where the tension key system is arranged at the seabed mooring point is usually a seabed anchor and a seabed joint device; the location where the tension key system is arranged at the floating mooring point is usually arranged on a floating platform.

[0034] Step S204, arrange the ballast flotation control system: the ballast flotation control system of the data center is composed of multiple ballast modules; an external ballast system of the corridor is adopted, and the ballast modules are evenly arranged in two horizontal directions of the corridor; each ballast module has an independent ballast control system, and the ballast can be installed and removed at any time.

[0035] Specifically, ballast modules are installed on each layer of horizontal and longitudinal pipe corridors, and the installed ballast modules include fixed weight ballast modules and ballast modules capable of water injection and air control; the fixed weight ballast modules and ballast modules capable of water injection and air control are evenly arranged in layers on the pipe corridor; the ballast modules dynamically control the ballast modules capable of water injection and air control according to a preset buoyancy coefficient; the overall water injection load of the ballast modules capable of water injection is dynamically controlled to control the entire pipe corridor square cabin cluster to meet the preset anti-buoyancy coefficient, so that the pipe corridor square cabin cluster can sit on the bottom under extreme wind and wave conditions, but will not sink into the mud to ensure the stability of seawater heat transfer and the stable operation of the internal pipe corridor square cabin cluster.

[0036] In the above embodiments, specifically, the ballast module capable of injecting air, the floating mooring point and the tension key system of the ballast flotation control system jointly regulate the rise of the data center; the ballast module capable of injecting water, the seabed mooring point and the tension key system of the ballast flotation control system jointly regulate the sinking of the data center.

[0037] In the above embodiment, specifically, the air-injected ballast module provides buoyancy for the data center, the floating mooring point controls the rise of the data center through cables, and the tension key system controls the speed of rise, and the three together regulate the rise of the data center platform.

[0038] In the above embodiment, specifically, the water-injected ballast module injects a predetermined amount of water according to demand to provide a sinking force for the data center platform, the seabed mooring point controls the sinking of the data center through cables, and the tension key system controls the sinking speed. The three together regulate the sinking of the data center platform.

[0039] In the above embodiment, specifically, when rising to a certain height or sinking to a certain height, the floating mooring point and the seabed mooring point work together to fix the data center platform at a set seawater depth.

[0040] Step S205, the design method is: reasonably arrange the spacing of the data cubes according to the preset flow rate and the heat rate processed by the cooling system.

[0041] In the above embodiment, specifically, the spacing between the data cubes is optimized and reasonably arranged according to the method described in step S200.

[0042] Step S206, the construction method is: through the devices corresponding to the methods of steps S200 to S204, the installation of the pipe gallery cabin cluster, the ballast system, the mooring system, the cooling system and the tension key system is realized.

[0043] In the above embodiment, specifically, the construction method is: 1) Assembly of the corridor cabin cluster structure: assemble the lowest level cabins and corridors in the dry dock, and install radiators on the outside of each cabin; tow the first level cabins and corridors in the water to the deep water area; install the ballast flotation control system, and install the ballast modules on each level of the corridor; and reserve the controller for final installation on the top; use the shore control crane to pile the corridor between the layers, and then pile the upper level cabins and corridors; repeat the pile lifting operation until the entire corridor cabin cluster is completed; 2) Construction of the anchoring system: connect multiple cables to the reserved cable connection points on the side of the entire corridor cabin cluster; pre-install the anchor body in the sea, connect the anchor cable, and connect the cable to the concentrated cable connection point of the corridor; 3) Installation of the tension key system in the sea: connect the tension key to the corresponding embedded parts of the vertical corridor, and fix the tension key; the corresponding embedded parts include: corresponding positions of the seabed mooring point and the floating mooring point.

[0044] It should be understood that the above-mentioned embodiments are one or more embodiments of the present invention, and there are many other embodiments and variations thereof based on the present invention; the variations and modifications made by ordinary technicians in this industry through the present invention without making pioneering innovations all fall within the scope of protection of the present invention.

Claims

1. A method for designing and constructing an underwater suspended data center, characterized in that: The method comprises the following steps: (I) Connection of pipe gallery and cabin clusters: The pipe gallery of the data center is composed of multiple circular and square steel pipe structures. Each pipe gallery is divided into a long axis and a short axis in the horizontal direction. Cabins are connected at both ends of the long axis of each pipe gallery to realize the clustering of pipe gallery and cabins; (ii) Arrangement of cooling system: The cooling system is arranged outside the data cabin, and the cabin is cooled by extracting seawater for heat exchange with the heat inside the cabin and discharging the seawater after heat exchange into the sea; (III) Arrangement of mooring system: multiple mooring points are arranged at the top and bottom of the pipe gallery shelter cluster, including floating mooring points and seabed mooring points. Through the cooperation of floating mooring points and seabed mooring points, the data center is fixed and suspended at a set position in the seawater; (iv) Arrangement of tension key system: Arrange tension key system at corresponding positions of floating mooring point and seabed mooring point, and the tension key system is used to control the vertical movement of the corridor shelter cluster to avoid excessive acceleration of vertical movement; (V) Arrangement of ballast flotation control system: The ballast flotation control system of the data center consists of multiple ballast modules; an external ballast system is used in the corridor, and the ballast modules are evenly arranged in two horizontal directions of the corridor; each ballast module has an independent ballast control system, which can be installed and removed at any time; (VI) The design method is: reasonably arrange the spacing of the data cubes according to the preset flow rate and the heat rate handled by the cooling system; (VII) The construction method is: the corresponding devices of the methods of steps (I) to (V) are used to realize the installation of the pipe gallery cabin cluster, the ballast system, the mooring system, the cooling system and the tension key system.

2. The method for designing and constructing an underwater suspended data center according to claim 1, characterized in that: The pipe gallery cabin cluster includes: first, arranging the data cabins in layers and in two directions with equal spacing; then, optimizing and determining the spacing in three directions according to the heat dissipation power of the data cabins; finally, connecting the data cabins and the pipe gallery by flange connection; the flange connection is a mechanical method for connecting pipelines and equipment; the pipe gallery of the data center composed of multiple circular and square steel pipe structures includes: the pipe gallery constituting the data center is closed to prevent the discharge of gas.

3. The method for designing and constructing an underwater suspended data center according to claim 2, characterized in that: The method of optimizing and determining the spacing in three directions according to the heat dissipation power of the data cabin includes: a) establishing a CFD numerical model of heat diffusion according to the structural parameters of the corridor cabin cluster; the structural parameters include the number of cabins, spacing, power and cooling; b) using different data cabin powers, cross-sectional flow velocities and flow directions as boundary conditions of the heat diffusion model; c) calculating the heat carried away by the entire calculation area within a preset time; d) establishing an analysis database of different cabins with different spacing in three directions of length, width and height, different data cabin powers, cross-sectional flow velocities and flow directions and the energy carried away by the sea; e) using different cabins with different spacing in three directions of length, width and height, different data cabin powers, cross-sectional flow velocities and flow directions as boundary conditions of the heat diffusion model; and flow direction as input, establish a neural network model, and take the heat taken away by the sea as output; f) train by analyzing all data input in the database to establish a neural network prediction model; g) collect data including water depth, flow velocity and flow direction of the sea area where the data center is built; h) consider the distance in the three directions of length, width and height of the cabin and the power of the data cabin, the interval and step amount of the cross-sectional flow velocity and flow direction, consider all data combinations as neural network input, and obtain heat data; i) for all data sets that meet the heat diffusion requirements, evaluate the cluster utility of the distance in the three directions of length, width and height of the cabin and the power of the data cabin; j) take the cluster utility meeting the preset value as the optimization goal.

4. The method for designing and constructing a suspended data center in the sea according to claim 1, characterized in that: The cooling system is arranged outside the data cube and includes: the cooling system refers to a radiator, which is arranged outside the data cube; a server cluster and a drainage pipeline are arranged inside the data cube; the radiator extracts seawater to exchange heat with the heat inside the cube, and discharges the seawater after heat exchange into the sea, so as to achieve the purpose of cooling the cube.

5. The method for designing and constructing an underwater suspended data center according to claim 1, characterized in that: The floating mooring point includes: an anchor point, a mooring cable, a buoy, a connecting device and a stabilizing device; the seabed mooring point includes: a seabed anchor and a mooring cable.

6. The method for designing and constructing a suspended data center in the sea according to claim 1, characterized in that: The tension key system comprises: the position where the tension key system is arranged at the seabed mooring point is usually a seabed anchor and a seabed joint device; the position where the tension key system is arranged at the floating mooring point is usually arranged on a floating platform.

7. The method for designing and constructing an underwater suspended data center according to claim 1, characterized in that: The ballast buoyancy control system includes: ballast modules are installed on each layer of the horizontal and longitudinal pipe corridors, and the installed ballast modules include fixed weight ballast modules and ballast modules capable of water injection and air control; the fixed weight ballast modules and the ballast modules capable of water injection and air control are evenly arranged on the pipe corridor in layers; the ballast modules dynamically control the ballast modules capable of water injection and air control according to a preset buoyancy coefficient; the entire pipe corridor square cabin cluster is controlled to meet a preset anti-buoyancy coefficient by dynamically controlling the overall water injection load of the ballast modules capable of water injection, so that the pipe corridor square cabin cluster can sit on the bottom under extreme wind and wave conditions, but will not sink into the soil to ensure stable heat transfer of seawater and stable operation inside the pipe corridor square cabin cluster.

8. The method for designing and constructing an underwater suspended data center according to claim 1, characterized in that: The ballast flotation control system also includes: a ballast module capable of injecting air, a floating mooring point and a tension key system of the ballast flotation control system to jointly adjust the rise of the data center; a ballast module capable of injecting water, a seabed mooring point and a tension key system of the ballast flotation control system to jointly adjust the sinking of the data center.

9. The method for designing and constructing an underwater suspended data center according to claim 1, characterized in that: The construction method comprises: 1) assembly of the pipe gallery cabin cluster structure: assembling the bottom layer of cabins and corridors in a dry dock; towing the first layer of cabins and corridors in water to a deep water area; installing the ballast flotation control system, installing the ballast module on each layer of the pipe gallery; and reserving the controller for final installation on the top; using a shore control crane to pile the pipe gallery between layers, and then pile the upper layer of cabins and corridors; repeating the pile lifting operation until the entire pipe gallery cabin cluster is completed; 2) construction of the anchoring system: connecting multiple cables to the reserved cable connection points on the side of the entire pipe gallery cabin cluster; pre-installing the anchor body in the sea, connecting the anchor cable, and connecting the cable to the cable centralized connection point of the pipe gallery; 3) installation of the tension key system in the sea: Connect the tension key to the corresponding embedded part of the vertical pipe gallery, and fix the tension key; the corresponding embedded part includes: corresponding positions of the seabed mooring point and the floating mooring point.

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