CN115973368A - Construction method of offshore photovoltaic power station - Google Patents
Construction method of offshore photovoltaic power station Download PDFInfo
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- CN115973368A CN115973368A CN202310118558.9A CN202310118558A CN115973368A CN 115973368 A CN115973368 A CN 115973368A CN 202310118558 A CN202310118558 A CN 202310118558A CN 115973368 A CN115973368 A CN 115973368A
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Abstract
The invention relates to a construction method of an offshore photovoltaic power station, which comprises the following steps: constructing a delivery project of the offshore photovoltaic power station; controlling ships positioned on two sides of the current collecting line steel trestle to reciprocate along the length direction of the current collecting line steel trestle respectively, and controlling the ships to travel a first distance in the direction far away from the current collecting line steel trestle when the ships travel to the position close to the end part of the current collecting line steel trestle; in the process of ship movement, controlling a ship to perform pile sinking operation of a photovoltaic pile foundation at one side close to a current collecting line steel trestle; hoisting the photovoltaic support and the photovoltaic module to a photovoltaic pile foundation; fixedly connecting the photovoltaic support with a photovoltaic pile foundation; and laying cables for offshore delivery projects, and connecting the photovoltaic modules to the grid. The construction method of the offshore photovoltaic power station provided by the embodiment of the invention can overcome the defects of poor safety, low operation efficiency, lack of normative management and the like in the construction process of the conventional offshore photovoltaic power station, and has the advantages of good safety, high action efficiency and convenience for normative management.
Description
Technical Field
The invention relates to the technical field of offshore photovoltaic equipment, in particular to a construction method of an offshore photovoltaic power station.
Background
The offshore photovoltaic power station is a power generation system capable of directly converting solar radiation energy into electric energy by using the photovoltaic effect of photovoltaic cells, and generally comprises a transformer, an inverter, a photovoltaic square matrix, related auxiliary facilities and the like.
The ocean environment conditions are different from inland rivers and lakes, and the environment is worse, so that higher requirements are put on the ship machine and equipment for construction. However, the spacing between the photovoltaic pile foundations for bearing the photovoltaic modules is smaller than the width (more than 15 meters) of the existing ship, so that the existing construction method of pile foundation fixed type water surface photovoltaic generally refers to the construction method of water surface photovoltaic in inland rivers, lakes and sheltered sea areas, that is, the piling operation is generally carried out by adopting a small floating structure and an additional bracket. This kind of pile equipment simple structure, security are poor, the operating efficiency is low, belong to temporary facilities, lack normative management, and need constructor to climb to the pile top and implement fixedly at the in-process that assembles photovoltaic support, photovoltaic module, in the face of the marine environment of complicacies such as wave, constructor safety can't guarantee, brings very big challenge for engineering construction normality, economic nature, reliability.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defects of low operation efficiency, poor safety and poor reliability of the construction method of the offshore photovoltaic power station in the prior art, so that the construction method of the offshore photovoltaic power station is provided, and has the advantages of higher operation efficiency, good safety and good reliability.
In order to solve the above problems, the present invention provides a construction method of an offshore photovoltaic power station, comprising: the method comprises the following steps of constructing a delivery project of the offshore photovoltaic power station, wherein the delivery project of the offshore photovoltaic power station comprises the step of building a current collection circuit steel trestle; controlling ships positioned at two sides of the current collection line steel trestle to reciprocate along the length direction of the current collection line steel trestle respectively, and controlling the ships to travel a first distance in the direction far away from the current collection line steel trestle when the ships travel to the position close to the end part of the current collection line steel trestle, wherein the first distance is a preset distance of a photovoltaic pile foundation, and the photovoltaic pile foundation is used for bearing a photovoltaic support and a photovoltaic component of an offshore photovoltaic power station; in the process of ship movement, controlling a ship to perform pile sinking operation of a photovoltaic pile foundation at one side close to a current collection line steel trestle until pile sinking operation of the photovoltaic pile foundation is completed; hoisting the photovoltaic support and the photovoltaic module to a photovoltaic pile foundation; fixedly connecting the photovoltaic support with a photovoltaic pile foundation; and laying cables for offshore delivery projects, and connecting the photovoltaic modules to the grid.
Further, the work of sending out of building the offshore photovoltaic power station comprises the following steps:
building a pile foundation of a centralized control center;
building a current collecting line steel trestle;
platforms are built on two sides of the current collection line steel trestle, and a box-type substation and an inverter are installed on the platforms.
Further, lay the marine cable that sends out the engineering, be incorporated into the power networks photovoltaic module, specifically include:
when a group of photovoltaic supports is fixedly connected with a photovoltaic pile foundation, a photovoltaic module is in communication connection with a combiner box, the combiner box is in communication connection with a direct current power distribution cabinet, the direct current power distribution cabinet is in communication connection with an inverter, the inverter is in communication connection with a box-type substation, and the box-type substation is in communication connection with a booster station.
Furtherly, on hoisting photovoltaic support and photovoltaic module to photovoltaic pile basis, specifically include:
pre-assembling a photovoltaic bracket and a photovoltaic assembly;
and integrally hoisting the preassembled photovoltaic support and the photovoltaic assembly to a photovoltaic pile foundation.
Further, pre-assembling the photovoltaic mount and the photovoltaic assembly includes:
and pre-assembling the photovoltaic support and the photovoltaic module in the corresponding area of the photovoltaic pile foundation.
Furthermore, pile sinking operation of the photovoltaic pile foundation and hoisting operation of the photovoltaic support and the photovoltaic module are both implemented by a first ship, and at least two pile sinking cranes are arranged on the first ship; or the like, or, alternatively,
pile sinking operation of the photovoltaic pile foundation is implemented by a first ship, hoisting operation of the photovoltaic support and the photovoltaic module is implemented by a second ship, the second ship is located on the rear side of the first ship, is spaced from the first ship by a second distance and is the same as the driving speed of the first ship, and at least two pile sinking cranes are arranged on the first ship.
Further, the construction method of the offshore photovoltaic power station further comprises the following steps:
and carrying the photovoltaic pile foundation by using the pile transporting ship, and transporting the photovoltaic pile foundation to the first ship.
Further, use fortune stake ship to bear photovoltaic pile foundation to on transporting photovoltaic pile foundation to first boats and ships, specifically include:
controlling the pile-transporting ship to berth at one side of the first ship;
one side of first boats and ships that keep away from current collection circuit steel trestle is provided with transports the loop wheel machine, and the control is transported the loop wheel machine and is transferred the photovoltaic pile basis on the pile ship to the deck of first boats and ships.
Further, control boats and ships carry out the pile sinking operation of photovoltaic pile foundation in the one side that is close to current collection circuit steel trestle, until accomplishing the pile sinking operation of photovoltaic pile foundation, specifically include:
controlling the distance between adjacent photovoltaic pile foundations by using a pile sinking positioning frame;
and controlling the first ship to anchor after the first ship runs for a third distance, and performing pile sinking operation of a photovoltaic pile foundation on one side of the pile sinking crane close to the current collecting line steel trestle, wherein the length of the third distance is 1-1.5 times that of the first ship.
Further, the photovoltaic support and the photovoltaic pile foundation are mutually spliced.
The invention has the following advantages:
according to the construction method of the offshore photovoltaic power station, the delivery project of the offshore photovoltaic power station is built before pile sinking operation is carried out, so that cables can be laid and photovoltaic modules can be connected to the power grid immediately after one photovoltaic module is installed in the pile sinking operation process, and the construction efficiency of the offshore photovoltaic power station is greatly improved. Simultaneously, because boats and ships are controlled and carry out the pile sinking operation of photovoltaic pile foundation in the one side that is close to current collection circuit steel trestle, this makes the width of instant boats and ships be greater than the preset interval of photovoltaic pile foundation, and it also can be used for carrying out the pile sinking operation to photovoltaic pile foundation, has allowed standard ship machine to be used for the work progress of photovoltaic power station, has avoided because of using defects such as the security that small-size floating structure leads to is poor, the operating efficiency is low and lack normative management. Therefore, the construction method of the offshore photovoltaic power station provided by the embodiment of the invention can overcome the defects of poor safety, low operation efficiency, lack of normative management and the like in the construction process of the offshore photovoltaic power station in the prior art, and the construction method of the offshore photovoltaic power station provided by the embodiment of the invention has the advantages of good safety, high action efficiency and convenience for normative management.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 shows a flow chart of a method of construction of an offshore photovoltaic power plant according to an embodiment of the invention;
FIG. 2 is a schematic diagram of an offshore photovoltaic power plant of an embodiment of the present invention;
FIG. 3 is a schematic diagram of an offshore photovoltaic power plant according to an embodiment of the present invention during a construction process, wherein a first vessel is sinking a pile;
FIG. 4 is an enlarged view of a platform and a power collection line steel trestle of an offshore photovoltaic power plant according to an embodiment of the invention;
fig. 5 is a schematic diagram of a construction process of an offshore photovoltaic power station according to an embodiment of the present invention, in which a first ship is sinking a pile, and a second ship is hoisting a photovoltaic support and a photovoltaic module to a photovoltaic pile foundation;
FIG. 6 is a schematic diagram of an offshore photovoltaic power plant according to an embodiment of the invention during construction;
FIG. 7 is a first vessel used in a method of constructing an offshore photovoltaic power plant according to an embodiment of the present invention;
fig. 8 is a second vessel used in the method of constructing an offshore photovoltaic power plant according to an embodiment of the present invention.
Description of reference numerals:
1. collecting a current circuit steel trestle; 2. a photovoltaic pile foundation; 3. a centralized control center; 4. a platform; 5. a first vessel; 51. sinking a pile crane; 52. transferring a crane; 6. a second vessel.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Fig. 1 shows a flow chart of a construction method of an offshore photovoltaic power plant according to an embodiment of the invention. Fig. 2 is a schematic diagram of an offshore photovoltaic power plant according to an embodiment of the invention. Fig. 3 is a schematic diagram of a construction process of an offshore photovoltaic power plant according to an embodiment of the invention, when a first vessel is sinking. As shown in fig. 1, 2 and 3, the invention relates to a construction mode of an offshore photovoltaic power station, which comprises a step S1, a step S2, a step S3, a step S4, a step S5 and a step S6. Wherein the content of the first and second substances,
the step S1 comprises the following steps: the method comprises the following steps of constructing a delivery project of the offshore photovoltaic power station, wherein the delivery project of the offshore photovoltaic power station comprises the erection of a current collection line steel trestle 1.
The step S2 comprises the following steps: the control is located the boats and ships of current collection circuit steel trestle 1's both sides and follows current collection circuit steel trestle 1's length direction reciprocating motion respectively, when boats and ships travel to the tip position that is close to current collection circuit steel trestle 1, control boats and ships towards the direction of keeping away from current collection circuit steel trestle 1 and travel the first distance, the first distance is photovoltaic pile foundation 2 predetermines interval (see fig. 6), photovoltaic pile foundation 2 is used for bearing the photovoltaic support and the photovoltaic module of marine photovoltaic power plant.
The step S3 comprises the following steps: in the process of ship movement, the ship is controlled to carry out pile sinking operation on the photovoltaic pile foundation 2 at one side close to the current collecting line steel trestle 1 until pile sinking operation on the photovoltaic pile foundation 2 is completed.
Step S4 comprises the following steps: and hoisting the photovoltaic support and the photovoltaic module to the photovoltaic pile foundation 2.
Step S5 comprises the following steps: and fixedly connecting the photovoltaic support with the photovoltaic pile foundation 2.
Step S6 comprises: and laying cables for offshore delivery projects, and connecting the photovoltaic modules to the grid.
According to the construction method of the offshore photovoltaic power station, the delivery project of the offshore photovoltaic power station is built before pile sinking operation is carried out, so that cables can be laid and photovoltaic modules can be connected to the power grid immediately after one photovoltaic module is installed in the pile sinking operation process, and the construction efficiency of the offshore photovoltaic power station is greatly improved. Simultaneously, because boats and ships are controlled and carry out the pile sinking operation of photovoltaic pile foundation 2 in the one side that is close to current collection circuit steel trestle 1, this makes the width of instant boats and ships be greater than photovoltaic pile foundation 2 predetermine the interval, it also can be used for carrying out the pile sinking operation to photovoltaic pile foundation 2, do not receive the restraint of pile foundation's predetermine interval, allowed standard ship machine to be used for the work progress of photovoltaic power station, avoided because of using defects such as the security that small-size floating structure leads to is poor, the operating efficiency is low and lack normative management. Therefore, the construction method of the offshore photovoltaic power station provided by the embodiment of the invention can overcome the defects of poor safety, low operation efficiency, lack of normative management and the like in the construction process of the offshore photovoltaic power station in the prior art, and the construction method of the offshore photovoltaic power station provided by the embodiment of the invention has the advantages of good safety, high action efficiency and convenience for normative management. The skilled person will be able to select the predetermined spacing of the photovoltaic pile foundations 2 according to the specific circumstances of the offshore photovoltaic power plant, and therefore will not be described in detail here.
In this embodiment, step S1 mainly includes: step S11, step S12, and step S13.
Wherein the content of the first and second substances,
step S11 mainly includes: and (5) building a pile foundation of the centralized control center 3.
Step S12 mainly includes: and erecting a current collection circuit steel trestle 1.
Step S13 mainly includes: platforms 4 are built on two sides of the current collection line steel trestle 1, and a box-type substation and an inverter are installed on the platforms 4. The platform 4 is shown in figure 4. Among them, the centralized control center 3 is preferably a land centralized control center.
The current collection line steel trestle 1 is a foundation of a delivery project and is a guarantee for delivering photovoltaic power generation at sea, trestle construction can be preferentially carried out to ensure smooth routing, and after the routing is smooth, the photovoltaic support and the photovoltaic assembly are constructed and hoisted to carry out grid-connected power generation. The photovoltaic pile foundation 2 and the platform 4 of the pre-built centralized control center 3 can ensure that operations of cabling and grid-connected power generation can be carried out immediately after pile sinking construction is finished.
In this embodiment, step S6 mainly includes:
when each group of photovoltaic supports is fixedly connected with the photovoltaic pile foundation 2, the photovoltaic assemblies are in communication connection with the combiner boxes, the combiner boxes are in communication connection with the direct-current power distribution cabinet, the direct-current power distribution cabinet is in communication connection with the inverter, the inverter is in communication connection with the box-type substation, and the box-type substation is in communication connection with the booster station.
Step S4 may optionally include: firstly, hoisting the photovoltaic support to the photovoltaic pile foundation 2, and then installing the photovoltaic module on the photovoltaic support. The photovoltaic module preferably, but not exclusively, comprises a photovoltaic panel. Preferably, in the present embodiment, step S4 specifically includes step S41 and step S42.
Step S41: pre-assembling a photovoltaic bracket and a photovoltaic assembly;
step S42: and hoisting the preassembled photovoltaic support and the photovoltaic assembly to the photovoltaic pile foundation 2. Pre-assembling the photovoltaic mount and the photovoltaic module preferably includes, but is not limited to, assembling the photovoltaic mount, assembling the photovoltaic module, and mounting the photovoltaic module on the photovoltaic mount. Through preassembling the photovoltaic support and the photovoltaic assembly, the step of assembling the photovoltaic support and the photovoltaic assembly can be synchronously carried out with the delivery project of a building offshore photovoltaic power station or pile sinking operation, so that the photovoltaic support and the photovoltaic assembly can be immediately hoisted on the photovoltaic pile foundation 2 after pile sinking operation of each photovoltaic pile foundation 2 is completed, the construction efficiency of the offshore photovoltaic power station is greatly improved, the operation of preassembling the photovoltaic support and the photovoltaic assembly can be carried out on a wharf or a ship deck, and the influence of the offshore environment on the operation of preassembling the photovoltaic support and the photovoltaic assembly is avoided. Preferably, in this embodiment, step S41 mainly includes: and (4) pre-assembling the photovoltaic support and the photovoltaic assembly in the area corresponding to the photovoltaic pile foundation 2.
In this embodiment, the pile sinking operation of the photovoltaic pile foundation 2 and the hoisting operation of the photovoltaic support and the photovoltaic module are both performed by the first ship 5, and at least two pile sinking cranes 51 are arranged on the first ship 5. At least two pile sinking cranes 51 simultaneously perform pile sinking operation, and the pile sinking efficiency of the pile sinking operation can be improved. In the present embodiment, for example, three pile cranes 51 are provided on each first vessel 5, as shown in fig. 7.
As shown in fig. 5, the pile sinking operation of the photovoltaic pile foundation 2 is performed by a first ship 5, the hoisting operation of the photovoltaic support and the photovoltaic module is performed by a second ship 6, the second ship 6 is located at the rear side of the first ship 5, is spaced from the first ship 5 by a second distance, and has the same traveling speed as the first ship 5, and at least two pile sinking cranes 51 are provided on the first ship 5. The speed of the first ship 5 for pile foundation construction is matched with the speed item of the second ship 6 for hoisting, the same area engineering quantity is kept when used, and the front and the back of the ship are subjected to assembly line operation. The construction of the photovoltaic pile foundations 2 with a certain number of support units is guaranteed to be completed, and the integral hoisting of the photovoltaic supports and the photovoltaic assemblies with the same number can be completed in the same time in the follow-up process. The second distance may be selected according to the type of the first and second vessels 5, 6 and the crane. The minimum value of the second distance ensures that there is no risk of a rear-end collision between the first vessel 5 and the second vessel 6 and that no interference occurs between the cranes.
The first vessel 5 may be arranged to load itself with a number of photovoltaic pile foundations 2 and to perform the pile sinking. Preferably, in the present embodiment,
step S4 further includes step S411.
The step S411 mainly comprises the steps of using the pile transport ship to bear the photovoltaic pile foundation 2 and transferring the photovoltaic pile foundation 2 to the first ship 5.
In the present embodiment, step S411 mainly includes step S4111 and step S4112.
And step S4111, controlling the pile ship to berth at one side of the first ship 5.
And S4112, arranging a transfer crane 52 on one side, far away from the power collection line steel trestle 1, of the first ship 5, and controlling the transfer crane 52 to transfer the photovoltaic pile foundation 2 on the pile transport ship to a deck of the first ship 5. Preferably, when the weather is better, the marine environment is more stable, it is preferable to use this moment to transport photovoltaic pile foundation 2 from the quay to first boats and ships 5 with a piler. When weather is bad, it is preferable that the first vessel 5 itself is loaded with the photovoltaic pile foundation 2 and sinking construction is performed. The number of transfer cranes 52 is preferably at least two, and the number of transfer photovoltaic pile foundations 2 onto the first vessel 5 can be increased. For example, in the present embodiment, as shown in fig. 8, two transfer cranes are provided on each first vessel 5.
Preferably, in this embodiment, step S3 specifically includes step S31 and step S32.
Step S31 mainly includes: the pile sinking positioning frame is used for controlling the distance between the adjacent photovoltaic pile foundations 2, the photovoltaic foundations 2 can be guaranteed to be evenly distributed, the spaces on the two sides of the current collecting line steel trestle 1 are fully utilized, and the improvement of the power generation efficiency of the offshore photovoltaic power station is facilitated.
Step S32 mainly includes: and controlling the first ship 5 to anchor after the first ship 5 travels a third distance, and performing pile sinking operation on the photovoltaic pile foundation 2 by using the pile sinking crane 51 at one side close to the current collection line steel trestle 1, wherein the length of the third distance is 1-1.5 times that of the first ship 5. When the length of the third distance is set to 1-1.5 times the length of the first vessel 5, it can be ensured that the crane on the first vessel 5 performs the pile sinking operation uniformly, and the pile sinking efficiency is high.
In the present embodiment, the photovoltaic support and the photovoltaic pile foundation 2 are preferably, but not limited to, welded, plugged, or screwed to each other. Preferably, in this embodiment, photovoltaic support and photovoltaic pile foundation 2 peg graft each other, can promote photovoltaic support and photovoltaic pile foundation 2's connection efficiency, and the hook can be unhooked after photovoltaic support hoist and mount are accomplished.
In summary, the construction method of the offshore photovoltaic power station in the embodiment of the invention can overcome the defects of poor safety, low operation efficiency, lack of normative management and the like in the construction process of the offshore photovoltaic power station in the prior art, and the construction method of the offshore photovoltaic power station in the embodiment of the invention has the advantages of good safety, high action efficiency and convenience for normative management.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. A construction mode of an offshore photovoltaic power station is characterized by comprising the following steps:
the method comprises the following steps of constructing a delivery project of the offshore photovoltaic power station, wherein the delivery project of the offshore photovoltaic power station comprises the step of building a current collection circuit steel trestle (1);
controlling ships positioned at two sides of the power collection line steel trestle (1) to reciprocate along the length direction of the power collection line steel trestle (1), and controlling the ships to travel a first distance in the direction far away from the power collection line steel trestle (1) when the ships travel to the position close to the end part of the power collection line steel trestle (1), wherein the first distance is a preset distance of a photovoltaic pile foundation (2), and the photovoltaic pile foundation (2) is used for bearing a photovoltaic bracket and a photovoltaic component of the offshore photovoltaic power station;
in the ship movement process, controlling the ship to carry out pile sinking operation on a photovoltaic pile foundation (2) at one side close to the current collecting line steel trestle (1) until pile sinking operation of the photovoltaic pile foundation (2) is completed;
hoisting the photovoltaic support and the photovoltaic module to the photovoltaic pile foundation (2);
fixedly connecting the photovoltaic support with the photovoltaic pile foundation (2);
and laying cables for offshore delivery projects, and connecting the photovoltaic modules to the grid.
2. The offshore photovoltaic power station construction method according to claim 1, wherein the step of delivering the offshore photovoltaic power station comprises:
building a pile foundation of a centralized control center (3);
erecting a current collection circuit steel trestle (1);
platforms (4) are built on two sides of the collecting line steel trestle (1), and a box-type substation and an inverter are installed on the platforms (4).
3. The offshore photovoltaic power plant construction method according to claim 2, wherein the laying of a cable for offshore delivery projects to grid-tie the photovoltaic module specifically comprises:
when the photovoltaic supports are fixedly connected with the photovoltaic pile foundations (2), the photovoltaic assemblies are in communication connection with the junction box, the junction box is in communication connection with the direct-current power distribution cabinet, the direct-current power distribution cabinet is in communication connection with the inverter, the inverter is in communication connection with the box-type substation, and the box-type substation is in communication connection with the booster station.
4. The offshore photovoltaic power plant construction method according to claim 1, wherein the hoisting of the photovoltaic support and the photovoltaic module to the photovoltaic pile foundation (2) specifically comprises:
pre-assembling the photovoltaic bracket and the photovoltaic assembly;
and integrally hoisting the preassembled photovoltaic support and the photovoltaic assembly to the photovoltaic pile foundation (2).
5. Construction of an offshore photovoltaic power plant according to claim 4, characterized in that pre-assembling the photovoltaic support and the photovoltaic module comprises:
and pre-assembling the photovoltaic support and the photovoltaic assembly in the area corresponding to the photovoltaic pile foundation (2).
6. Construction of offshore photovoltaic power station according to any of claims 1-5, characterized in that the pile sinking operation of the photovoltaic pile foundation (2) and the hoisting operation of the photovoltaic support and the photovoltaic module are performed by a first vessel (5), at least two pile sinking cranes (51) being arranged on the first vessel (5); or the like, or, alternatively,
the pile sinking operation of photovoltaic pile foundation (2) is implemented by first boats and ships (5), the hoist and mount operation of photovoltaic support and photovoltaic module is implemented by second boats and ships (6), second boats and ships (6) are located the rear side of first boats and ships (5), and with first boats and ships (5) interval second distance, and with the speed of traveling of first boats and ships (5) is the same, be provided with two at least pile sinking hoist (51) on first boats and ships (5).
7. The offshore photovoltaic power plant construction method of claim 6, further comprising:
carrying the photovoltaic pile foundation (2) using a pile transport vessel and transferring the photovoltaic pile foundation (2) onto the first vessel (5).
8. Construction of an offshore photovoltaic power plant according to claim 7, characterized in that the carrying of the photovoltaic pile foundation (2) by a pile-handling vessel and the transfer of the photovoltaic pile foundation (2) to the first vessel (5) comprises in particular:
controlling the pile handling vessel to berth at one side of the first vessel (5);
one side, far away from the current collection circuit steel trestle (1), of the first ship (5) is provided with a transfer crane (52), and the transfer crane (52) is controlled to transfer a photovoltaic pile foundation on the pile transfer ship to a deck of the first ship (5).
9. The offshore photovoltaic power station construction method according to claim 8, wherein the controlling the ship to perform the pile sinking operation of the photovoltaic pile foundation (2) at the side close to the collecting line steel trestle (1) until the pile sinking operation of the photovoltaic pile foundation (2) is completed specifically comprises:
controlling the distance between the adjacent photovoltaic pile foundations (2) by using a pile sinking positioning frame;
and controlling the first ship (5) to break down after running for a third distance, wherein the pile sinking crane (51) carries out pile sinking operation on the photovoltaic pile foundation (2) at one side close to the current collection line steel trestle (1), and the length of the third distance is 1-1.5 times that of the first ship (5).
10. Construction of an offshore photovoltaic power plant according to any of claims 1-5, characterized in that the photovoltaic support and the photovoltaic pile foundation (2) are spliced to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310118558.9A CN115973368A (en) | 2023-01-31 | 2023-01-31 | Construction method of offshore photovoltaic power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310118558.9A CN115973368A (en) | 2023-01-31 | 2023-01-31 | Construction method of offshore photovoltaic power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115973368A true CN115973368A (en) | 2023-04-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117552396A (en) * | 2023-10-19 | 2024-02-13 | 华电重工股份有限公司 | Offshore photovoltaic installation method and installation system |
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