CN118242228A - Floating fan and installation method thereof - Google Patents

Abstract

The invention discloses a floating fan and a mounting method thereof. In the installation method, the assembled floating fan is firstly arranged in the initial sea area, and then the wind wheel blades of the fan head are driven to rotate to generate thrust for the floating fan, so that the floating fan has self-propulsion capability; in the self-propulsion process, the yaw direction of the fan head and the pitch of the wind wheel blades are adjusted through the fan control device, so that the direction and the size of thrust are changed, the self-propulsion direction and the self-propulsion speed of the floating fan are changed, and when the floating fan reaches a designated sea area, the rotation of the wind wheel blades is stopped and the mooring anchor chain is installed. Through the installation method, the function of rotating the wind wheel blades can be skillfully applied to the installation of the floating fan, so that the use of a towing ship can be avoided, the installation efficiency of the floating fan is improved, and the installation cost is reduced.

Description

Floating fan and installation method thereof

Technical Field

The invention relates to the technical field of wind power generation, in particular to a floating fan and an installation method thereof.

Background

The existing floating type fan foundation design concept is derived from the design of an ocean floating type oil extraction platform, and an ocean floating type oil extraction platform project often needs to consume a large amount of manpower, material resources and time for building and transporting and installing a single platform foundation, and the requirement of batch delivery and installation is avoided, so that the floating type fan foundation cannot meet the requirement of an ocean floating type fan in the aspect of batch transportation and assembly.

At present, the installation flow of a floating fan is generally as follows: and berthing the floating type fan foundation wharf to hoist the fan tower, so that the integrated floating type fan is assembled, the assembled floating type fan is towed to a wind field site on the sea, a mooring anchor chain loading ship is moored and pre-installed, and mooring anchor chain tieback is carried out after the floating type fan is towed in place. According to such an installation process, installation of a floating wind turbine requires at least one towing vessel and one moored installation vessel with moored anchor chain loading capacity, and if a small-sized floating wind farm of ten is to be built, the vessel is required to be transported repeatedly ten times, which is inefficient, and the number of vessels used is also large and the transportation cost is high.

Disclosure of Invention

The invention aims to overcome the defects of low transportation efficiency and high transportation cost of a floating fan in the installation process in the prior art, and provides an installation method of the floating fan and the floating fan.

The invention solves the technical problems by the following technical scheme:

The method for installing the floating fan comprises a fan foundation, a fan head and a fan control device; the installation method comprises the following steps:

S1, arranging the assembled floating fan in an initial sea area;

s2, driving the wind wheel blades of the fan head to rotate so as to generate thrust acting on the floating fan;

S3, controlling the fan control device to adjust the yaw direction of the fan head and the pitch of the wind turbine blades, so as to change the direction and the magnitude of the thrust;

And S4, stopping rotating the wind wheel blades and installing mooring anchor chains when the floating fan reaches a designated sea area.

In the scheme, the assembled floating fan is arranged in an initial sea area to enable the floating fan to have an initial self-sailing environment, then the wind wheel blades are driven to rotate to generate thrust for the floating fan, the thrust and the resistance of the floating fan in water are combined to form resultant force, and the resultant force is utilized to enable the floating fan to have autonomous sailing capability; in the self-propulsion process of the floating fan, the yaw direction of the fan head and the pitch of the wind wheel blades are adjusted through the fan control device, so that the direction and the size of thrust are changed, the direction and the size of the resultant force for promoting the self-propulsion of the floating fan are changed, the floating fan can smoothly reach a specified sea area, then the rotation of the wind wheel blades is stopped, the installation of a mooring anchor chain is carried out, and the installation of the floating fan is completed. Through the installation method, the function of enabling the wind wheel blades to rotate can be skillfully applied to the installation of the floating fan, so that the use of a towing ship can be avoided, the installation efficiency of the floating fan is improved, and the installation cost is reduced.

Further, before driving the wind turbine blade of the fan head to rotate in step S2, the method further includes: and adjusting the floating state of the fan foundation to enable the fan foundation to be in an inclined state, wherein the inclined direction of the fan foundation is opposite to the preset running direction of the floating fan.

In the scheme, because the thrust generated after the wind turbine blade rotates can generate a bending moment for inclining the fan foundation to the floating fan, before the wind turbine blade is driven to rotate, the floating state of the fan foundation is adjusted to be an inclined state, and the inclined direction is opposite to the preset running direction of the floating foundation, so that the thrust can balance the inclined state of the fan foundation, which is adjusted in advance, the whole floating fan is ensured to be in a positive floating state in running, the running stability is achieved, and the installation reliability of the floating fan is further ensured.

Further, after step S4, the method further includes: s5, adjusting the floating state of the fan foundation to enable the fan foundation to be in a positive floating state.

In the scheme, after the floating fan reaches a specified sea area and the mooring anchor chain is installed, the floating fan can be prevented from drifting due to the fixation of the mooring anchor chain, and the floating state of the fan foundation of the floating fan can be recalled at the moment, so that the floating fan is in a positive floating state in a static state, and the stability of the floating fan in the static state is ensured.

Further, a positioning device is arranged on the floating fan; the step S3 further includes:

And acquiring running data of the floating fan by using the positioning device, and controlling the fan control device according to the acquired running data.

In this scheme, through set up positioner on floating fan to in the travel of floating fan, utilize positioner to acquire the data of traveling of floating fan in real time, and control fan controlling means according to this data of traveling, and then satisfy the direction and the size that can adjust thrust in real time according to the circumstances of traveling of floating fan, make the arrival of floating fan can be accurate, quick appointed sea area, improve installation effectiveness.

Further, the travel data includes a distance of the floating wind turbine from the designated sea area;

The step S3 further includes: when the distance is smaller than the preset distance, the fan control device is controlled to adjust the pitch of the wind turbine blade so as to gradually reduce the thrust.

In this scheme, through preset distance to compare the distance of floating fan and appointed sea area with this preset distance, when the distance of floating fan and appointed sea area is less than preset distance, then indicate that floating fan is nearer to appointed sea area, then control fan controlling means this moment, adjust the pitch of wind wheel blade and then reduce the size of thrust gradually, the resultant force of corresponding thrust and resistance also corresponds gradually and reduces, and then make floating fan slow down to appointed sea area, avoid the too big unable accurate appointed sea area that reaches of speed when being close to appointed sea area, thereby further promote the efficiency of installation.

Further, in step S1, the assembled floating fan is set in the initial sea area, including any one of the following modes:

A1, assembling the floating fan on a wharf adjacent to the starting sea area, and hauling the floating fan to the starting sea area by using a guiding ship;

a2, directly assembling the floating fan at the initial sea area.

In the scheme, the assembled floating fan can be arranged in the initial sea area in any mode according to the need, so that the floating fan has an initial self-propelled environment. Firstly, the floating fan can be assembled on a wharf close to the initial sea area, and then the floating fan is hauled to the initial sea area by using a guiding ship, so that the assembling of the floating fan is more convenient, the corresponding assembling efficiency can be improved, and the hauling is still needed after the assembling is finished; secondly, the assembly of the floating fan is directly completed in the initial sea area, and the mode can avoid hauling after the assembly is completed, but the assembly is carried out by adopting a marine crane and other modes, so that the assembly is relatively difficult.

Further, in step S2, the wind turbine blade of the fan head is driven to rotate, including any one of the following modes:

b1, arranging a generator connected with a fan head on the floating fan, and driving the wind wheel blades to rotate by utilizing the electric energy of the generator;

B2, arranging a power supply on the land adjacent to the initial sea area and the appointed sea area, and connecting the fan head to the power supply so as to drive the wind turbine blade to rotate by utilizing the electric energy of the power supply;

and B3, driving the wind wheel blades to rotate by utilizing the natural wind speed in the sea area.

In the scheme, the wind wheel blade of the fan head can be driven to rotate in any mode according to the requirement, so that the thrust acting on the floating fan is generated. Firstly, a generator for driving the fan blades to rotate is directly arranged on the floating fan, and the generator can be controlled when needed so as to realize the rotation of the fan blades, so that the operation is more flexible and convenient; secondly, when the designated sea area where the floating fan is installed is close to the initial sea area, a power supply connected to the fan head can be directly arranged on the land close to the initial sea area and the designated sea area, and the wind wheel blades are directly driven to rotate by the power supply, so that the integral structure of the floating fan is simplified; thirdly, under the condition that the sea area on which the floating fan is installed is at a proper natural wind speed, the wind wheel blades can be directly driven to rotate by the natural wind speed, so that energy sources are saved, and meanwhile, the wind wheel is more convenient.

Further, the mooring anchor chain is arranged on the fan foundation; the step S4 includes:

S4.1, stopping rotating the wind wheel blades and releasing the free ends of the mooring anchor chains when the floating fan reaches a designated sea area;

and S4.2, driving the free end of the mooring anchor chain to be pulled to a seabed anchor point.

In the scheme, the mooring anchor chain is arranged on the fan foundation, so that the mooring anchor chain can automatically navigate to a designated sea area along with the floating fan, after the mooring anchor chain reaches the designated sea area, the wind turbine blade stops rotating and the free end of the mooring anchor chain is released, the free end of the mooring anchor chain is driven to be pulled to a submarine anchor point, and finally the floating fan is installed. Through this kind of setting to further avoid mooring the use of installation ship, at the installation of floating fan promptly, need not to use other ships to assist, thereby can wholly accelerate the installation effectiveness of floating fan, also can reduce installation cost simultaneously.

A floating fan, wherein the floating fan is installed by adopting the installation method of the floating fan;

The floating type fan comprises a fan foundation, a fan head and a fixed tower frame, wherein two ends of the fixed tower frame are respectively connected with the fan foundation and the fan head, and the fan head is arranged above the fan foundation through the fixed tower frame.

In this scheme, the floating fan that installs through the installation method of above-mentioned floating fan, including fan foundation, fan aircraft nose and fixed pylon to utilize fixed pylon to set up fan aircraft nose firm on the fan foundation, this floating fan's installation effectiveness can be promoted simultaneously, and installation cost also can further reduce.

Further, the floating fan further comprises a crane device, the crane device is detachably arranged on the fan foundation, and the crane device can be lifted in the vertical direction to be close to or far away from the fan head.

In this scheme, through set up loop wheel machine equipment on the fan foundation of floating fan to can utilize the lift of loop wheel machine equipment in vertical orientation in order to be close to or keep away from the fan aircraft nose, thereby under the circumstances that the fan aircraft nose breaks down or needs to change spare part, more conveniently operate, avoided towing whole floating fan to the pier, whole trawl to the conventional flow of machine position after maintaining or changing spare part again, efficiency is higher and the cost is lower.

Further, the fan foundation comprises a plurality of floating devices which are connected with each other, a mooring anchor chain is arranged on the floating devices, and the fixed end and the free end of the mooring anchor chain are respectively positioned inside and outside the floating devices;

The inside of the floating device is also provided with an anchor winch, the mooring anchor chain is connected with the anchor winch in a surrounding manner, the anchor winch can rotate around the axis of the anchor winch under the action of electric energy, and the mooring anchor chain inside the floating device is released or the mooring anchor chain outside the floating device is recovered in the rotating process.

In this scheme, through setting up the stiff end and the free end of mooring anchor chain respectively in the inside and the outside of flotation device to encircle the mooring anchor chain and set up on the inside anchor winch of flotation device, with the rotation that utilizes anchor winch drives the mooring anchor chain and move, make the release of mooring anchor chain and retrieve more automatic, it is also more convenient in operation, thereby can be in the use of effectual avoiding mooring installation ship of the installation of floating fan, further promote installation effectiveness and reduce installation cost.

Further, the floating device comprises an anchor cabin and a chain cabin which are sequentially arranged from top to bottom, the fixed end of the mooring chain is located in the chain cabin, the anchor winch is arranged in the anchor cabin, a connecting port is arranged between the chain cabin and the anchor cabin, and the mooring chain enters the anchor cabin from the connecting port and is connected with the anchor winch in a surrounding mode.

According to the scheme, through the arrangement, the anchor chain cabin of the floating device for accommodating the mooring anchor chain and the anchor cabin provided with the anchor winch can be separated, the overall structure of the floating device is more reasonable, and meanwhile, the releasing and recycling of the mooring anchor chain are more convenient; in addition, the anchor chain cabin is below the anchor cabin, and when the anchor chain is retrieved, the anchor chain can utilize its self gravity to get back to the inside of anchor chain cabin for the process of retrieving is more smooth.

Further, a chain stopper is further arranged in the anchor cabin, and the chain stopper can be clamped to the mooring anchor chain to limit the release or recovery of the mooring anchor chain by the anchor winch.

In this scheme, through this kind of setting, after mooring anchor chain release or retrieve the position, can utilize chain stopper clamp mooring anchor chain to restrict anchor machine winch and continue to release or retrieve mooring anchor chain, guarantee the holistic stability of floating fan.

Further, an anchor chain outlet is further formed in the side wall of the anchor cabin, an anchor chain guide wheel is arranged at the position of the anchor chain outlet, and the mooring anchor chain is carried on the anchor chain guide wheel and is released or recovered from the position of the anchor chain outlet.

In this scheme, through carrying the anchor chain of mooring on the anchor chain guide pulley, can utilize its and the friction roll of anchor chain guide pulley, make the anchor chain of mooring release or retrieve through the anchor chain export more smoothly, avoid it directly to carry on the lateral wall of anchor cabin, cause the hindrance to its release or retrieve.

The invention has the positive progress effects that:

The assembled floating fan is arranged in an initial sea area to enable the floating fan to have an initial self-sailing environment, the wind wheel blades are driven to rotate to generate thrust for the floating fan, the thrust and the resistance of the floating fan in water are combined to form resultant force, and the resultant force is utilized to enable the floating fan to have autonomous sailing capability; in the self-propulsion process of the floating fan, the yaw direction of the fan head and the pitch of the wind wheel blades are adjusted through the fan control device, so that the direction and the size of thrust are changed, the direction and the size of the resultant force for promoting the self-propulsion of the floating fan are changed, the floating fan can smoothly reach a specified sea area, then the rotation of the wind wheel blades is stopped, the installation of a mooring anchor chain is carried out, and the installation of the floating fan is completed. Through the installation method, the function of enabling the wind wheel blades to rotate can be skillfully applied to the installation of the floating fan, so that the use of a towing ship can be avoided, the installation efficiency of the floating fan is improved, and the installation cost is reduced.

Drawings

FIG. 1 is a flow chart of a method for installing a floating fan according to an embodiment of the present invention;

FIG. 2 is a flow chart of a method for installing a floating fan according to an embodiment of the present invention;

FIG. 3 is a flow chart of a method for installing a floating fan according to an embodiment of the present invention;

FIG. 4 is a schematic view of the overall structure of a floating fan in an inclined state according to an embodiment of the present invention;

FIG. 5 is a schematic view of the overall structure of a floating fan in a driving state according to an embodiment of the present invention;

fig. 6 is a schematic view of a floating fan at a floating device according to an embodiment of the present invention.

Reference numerals illustrate:

Sea level 1

Floating fan 2

Fixed tower 21

Blower head 22

Wind turbine blade 221

Fan nacelle 222

Fan foundation 23

Ballast tank 231

Anchor chain compartment 232

Anchor cabin 233

Anchor machine winch 234

Power box 235

Anchor chain guide 236

Anchor chain outlet 237

Mooring chain 238

Connecting rod 239

Direction of inclination L

Travel direction W

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below are exemplary and intended to illustrate the present invention and should not be construed as limiting the invention, and all other embodiments, based on the embodiments of the present invention, which may be obtained by persons of ordinary skill in the art without inventive effort, are within the scope of the present invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The present embodiment provides a floating fan 2 and a method for installing the floating fan 2, wherein fig. 1 to 3 are schematic flow diagrams of the method, and fig. 4 to 6 are schematic overall and layout structures of the floating fan 2.

As shown in fig. 4 and 5, the floating wind turbine 2 mainly includes a fixed tower 21, a wind turbine head 22 and a wind turbine foundation 23, the wind turbine head 22 includes wind turbine blades 221 and a wind turbine cabin 222, two ends of the fixed tower 21 are respectively connected to the wind turbine foundation 23 and the wind turbine cabin 222 of the wind turbine head 22, the wind turbine cabin 222 is disposed above the wind turbine foundation 23 through the fixed tower 21, a part of the structure of the wind turbine foundation 23 is located below the sea level 1, and the wind turbine foundation 23 is utilized to provide corresponding buoyancy for the whole floating wind turbine 2. The connection relationship and the positional relationship between the fixed tower 21 and the fan foundation 23 and the fan nacelle 222 may be any scheme existing in the prior art, and will not be described herein.

A fan control device (not shown) is provided inside the fan nacelle 222, and the yaw direction of the fan head 22 and the pitch of the rotor blades 221 can be adjusted by the fan control device, but the structure and the adjustment principle of the fan control device are all in the prior art.

As shown in fig. 1, the installation method of the floating fan 2 mainly comprises the following steps: s1, arranging the assembled floating fan 2 in an initial sea area; s2, driving the wind wheel blades 221 of the fan head 22 to rotate so as to generate thrust acting on the floating fan 2; s3, controlling a fan control device to adjust the yaw direction of the fan head 22 and the pitch of the wind turbine blades 221 so as to change the direction and the magnitude of the thrust; and S4, stopping rotating the wind turbine blades 221 and installing the mooring anchor chain 238 when the floating wind turbine 2 reaches the designated sea area.

In the actual installation process, the assembled floating fan 2 can be firstly arranged in the initial sea area to enable the floating fan to have an initial self-navigation environment, then the wind wheel blades 221 are driven to rotate to generate thrust for the floating fan 2, the thrust and the resistance of the floating fan 2 in water are combined to form resultant force, and the floating fan 2 has autonomous navigation capability by utilizing the resultant force; in the self-propulsion process of the floating fan 2, the yaw direction of the fan head 22 and the pitch of the wind turbine blades 221 are adjusted through the fan control device, so that the direction and the magnitude of thrust are changed, the direction and the magnitude of the resultant force for promoting the self-propulsion of the floating fan 2 are changed, the floating fan 2 can smoothly reach a specified sea area, then the rotation of the wind turbine blades 221 is stopped, the installation of the mooring anchor chain 238 is carried out, and the installation of the floating fan 2 is completed. By the installation method, the function of enabling the wind wheel blades 221 to rotate can be skillfully applied to the installation of the floating fan 2, so that the use of a towing ship can be avoided, the installation efficiency of the floating fan 2 is improved, and the installation cost is reduced.

Further, as shown in fig. 2 and 4, since the thrust generated by the wind turbine blade 221 after rotation will generate a bending moment for tilting the fan foundation 23 on the floating fan 2, in order to ensure the stability of the floating fan 2 during self-propulsion, in step S2 of the installation method of the floating fan 2, before the wind turbine blade 221 driving the fan head 22 rotates, the method further includes: the floating state of the fan foundation 23 is adjusted to be in an inclined state, and the inclination direction L of the fan foundation 23 is opposite to the preset traveling direction W of the floating fan 2. Through this kind of setting for the thrust lets fan foundation 23 produce the moment of flexure that inclines can balance its tilt state of adjusting in advance, guarantees that whole floating fan 2 is in the state of floating in the driving, reaches the stationarity of driving, and then guarantees the reliability of floating fan 2 installation. It should be noted that, the adjustment of the floating state of the fan foundation 23 to make the fan foundation 23 in an inclined state may be achieved by adjusting the ballast capacity of the ballast cabin 231 in the fan foundation 23, and the specific adjustment manner is the prior art, which is not described herein. Of course, in other embodiments, other prior art techniques may be used to adjust the float of the fan foundation 23 to an inclined condition.

However, the floating state of the fan foundation 23 is adjusted to be inclined before the wind turbine blade 221 of the fan head 22 is driven to rotate, and when the floating fan 2 reaches the designated sea area, the thrust acting on the floating fan 2 disappears after the wind turbine blade 221 stops rotating, and at this time, the floating fan 2 is still in an inclined state. Therefore, as shown in fig. 2, the installation method of the floating fan 2 further includes, after step S4: s5, adjusting the floating state of the fan foundation 23 to be in a positive floating state. Through this kind of setting, after the floating fan 2 reaches appointed sea area and installs mooring anchor chain 238, because the fixed floating fan 2 that can avoid of mooring anchor chain 238 produces the drift, can again carry out the callback to the floating state of the fan foundation 23 of floating fan 2 this moment, make it be in the normal floating state under the static state to guarantee its stationarity under the static state.

Further, a positioning device (not shown in the figure) is further disposed inside the blower head 22 of the floating blower 2, and the positioning device may be a device with a positioning function existing in the prior art, through which the running data of the floating blower 2 may be acquired, and the running data includes, but is not limited to, a running position, a running direction, a running speed, and the like. In the installation method of the floating fan 2, step S3 further includes: and acquiring running data of the floating fan 2 by using the positioning device, and controlling the fan control device according to the acquired running data. Through this kind of setting for in the travel of floating fan 2, utilize positioner to acquire the data of traveling of floating fan 2 in real time, and control fan controlling means according to this data of traveling, and then satisfy the direction and the size that can adjust thrust in real time according to the circumstances of traveling of floating fan 2, make the arrival of floating fan 2 can be accurate, quick appointed sea area, improve installation effectiveness.

As described above, the running direction and speed of the floating fan 2 can be adjusted by using the fan control device, so that the running position of the floating fan 2 and the distance between the floating fan 2 and the designated sea area can be obtained by combining the positioning device, that is, the distance between the floating fan 2 and the position to be installed is obtained, the distance is compared with the preset distance, and the running speed of the floating fan 2 is set according to the comparison result. Specifically, in the method for installing the floating fan 2, step S3 further includes: when the distance between the floating fan 2 and the designated sea area is smaller than the preset distance, the fan control device is controlled to adjust the pitch of the wind turbine blades 221 so as to gradually reduce the thrust. Through this kind of setting for when floating fan 2 is comparatively close to appointed sea area, control fan controlling means adjusts the pitch of wind wheel blade 221 and then reduces the size of thrust gradually, and the resultant force that corresponds thrust and resistance also corresponds gradually to reduce, and then makes floating fan 2 slow down to appointed sea area, avoids the too big unable accurate appointed sea area that reaches of speed when being close to appointed sea area, thereby further promotes the efficiency of installation.

In this method for installing the floating fan 2, in step S1, the assembled floating fan 2 is set in the starting sea area, and any one of the following two ways may be adopted:

A1, assembling the floating fan 2 on a wharf adjacent to the initial sea area, and hauling the floating fan 2 to the initial sea area by using a guiding ship;

a2, directly assembling the floating fan 2 at the initial sea area.

In the actual installation process, one of the two modes can be selected according to the actual requirement, so that the assembled floating fan 2 has an initial self-propelled environment, wherein in the first mode, the floating fan 2 is assembled on a dock adjacent to the initial sea area, and is hauled to the initial sea area by a guiding ship, the mode is more convenient for the assembly of the floating fan 2, the corresponding assembly efficiency can be improved, but hauling is still needed after the assembly is completed; in the second mode, the assembly of the floating fan 2 is completed directly in the initial sea area, which can avoid the hauling after the completion of the assembly, but the assembly is required to be performed by adopting a marine crane or the like, so that the assembly is relatively difficult.

In addition, in the method for installing the floating fan 2, in step S2, the wind turbine blade 221 of the fan head 22 is driven to rotate, and any one of the following modes may be adopted:

B1, arranging a generator connected with a fan head 22 on the floating fan 2, and driving the wind wheel blades 221 to rotate by utilizing the electric energy of the generator; according to the mode, the generator for driving the fan blades to rotate is directly arranged on the floating fan 2, so that the generator can be controlled when needed, the fan blades can rotate, the thrust acting on the floating fan 2 is generated, and the operation is more flexible and convenient;

B2, setting power supplies on lands adjacent to the initial sea area and the designated sea area, and connecting the fan head 22 to the power supplies to drive the wind turbine blades 221 to rotate by using the electric energy of the power supplies; in this way, in the case that the designated sea area for installing the floating fan 2 is closer to the initial sea area, for example, in the offshore area, a power supply connected to the fan head 22 is directly arranged on the land adjacent to the initial sea area and the designated sea area, and the wind turbine blades 221 are directly driven to rotate by the power supply, so that the thrust acting on the floating fan 2 is generated, and the overall structure of the floating fan 2 is simplified;

B3, the wind turbine blade 221 is driven to rotate by using the natural wind speed in the sea area. If the sea area where the floating fan 2 is installed is at a proper natural wind speed, the wind wheel blades 221 can be directly driven to rotate by using the natural wind speed in the mode, so that the thrust acting on the floating fan 2 is generated, the energy is saved, and the operation is more convenient.

It should be noted that, in other embodiments, other manners existing in the prior art may be adopted according to actual needs, so as to achieve the effect of driving the rotor blade 221 of the blower head 22 to rotate.

Further, as shown in fig. 3, the installation method of the floating fan 2 specifically includes, in step S4: s4.1, stopping rotating the wind wheel blades 221 and releasing the free ends of mooring anchor chains 238 when the floating wind turbine 2 reaches a specified sea area; and S4.2, the free end of the driving mooring anchor chain 238 is pulled to the seabed anchor.

Specifically, as shown in fig. 6, the floating wind turbine 2 is provided with the mooring anchor chain 238 on the wind turbine foundation 23, so that the mooring anchor chain 238 can self-navigate to a designated sea area along with the floating wind turbine 2, and after reaching the designated sea area, the wind turbine blades 221 are stopped to rotate and the free ends of the mooring anchor chain 238 are released, and then the free ends of the mooring anchor chain 238 are driven to be pulled to a seabed anchor point, so that the floating wind turbine 2 is finally installed. Through this kind of setting to further avoid mooring the use of installation ship, at the installation of floating fan 2 promptly, need not to use other ships to assist again, thereby can wholly accelerate the installation effectiveness of floating fan 2, also can reduce installation cost simultaneously.

As shown in fig. 4 to 6, the wind turbine foundation 23 of the floating wind turbine 2 includes a plurality of floating devices each including a ballast tank 231, a chain tank 232, and an anchor cabin 233 from bottom to top. The number of the floating devices in this embodiment is three, and the three floating devices are connected to each other by a connecting rod 239 to form a complete fan foundation 23. Wherein a mooring chain 238 is provided on each flotation device and the mooring chain 238 provided with respect to each flotation device comprises a fixed end and a free end, the fixed end of which is located inside the flotation device and the free end of which is located outside the flotation device. In addition, an anchor winch 234 is provided inside each floating device, a mooring chain 238 inside the floating device is connected to the anchor winch 234 in a surrounding manner, the anchor winch 234 is connected to a power box 235, power is supplied to the anchor winch 234 through the power box 235, the anchor winch 234 is caused to rotate around its own axis, and the mooring chain 238 inside the floating device is released or the mooring chain 238 outside the floating device is recovered during the rotation. Through this kind of setting, utilize the rotation of anchor winch 234 to drive the anchor chain 238 of mooring and move for the release of anchor chain 238 of mooring is more automatic with retrieving, and is also more convenient in operation, thereby can be in the use of the effectual installation ship of avoiding mooring of installation of showy fan 2, further promote installation effectiveness and reduce installation cost.

It should be noted that, the anchor winch 234 performs a rotational motion by using the electric energy provided by the power box 235, and a generator may be disposed inside the power box 235, and in other embodiments, the power box 235 may perform power transmission on the anchor winch 234 in other manners existing in the prior art, so that the anchor winch may rotate around its own axis. The power box 235 is utilized to provide electrical power to the anchor winch 234, and a remote control manner existing in the prior art can be adopted to realize remote control of the mooring chain 238, so that release and recovery of the mooring chain 238 are further automated.

Further, as shown in fig. 6, each of the floating devices includes an anchor cabin 233, a mooring chain 232 and a ballast tank 231 from top to bottom, the floating device floats on the sea level 1 mainly using the ballast tank 231, a mooring chain 238 is mainly provided in the mooring chain cabin 232, and a fixed end of the mooring chain 238 is fixed inside the mooring chain cabin 232, an anchor winch 234 is provided inside the anchor cabin 233, a connection port through which the mooring chain 238 passes is provided between the mooring chain cabin 232 and the anchor cabin 233, the mooring chain 238 enters the anchor cabin 233 from the connection port and is connected to the anchor winch 234 around, and a free end of the mooring chain 238 passes out of the anchor cabin 233 to be located outside the floating device. By the arrangement, the anchor chain cabin 232 of the floating device for accommodating the mooring anchor chain 238 and the anchor cabin 233 provided with the anchor winch 234 can be separated, the overall structure of the floating device is more reasonable, and the releasing and recycling of the mooring anchor chain 238 are more convenient; in addition, the mooring chain compartment 232 is below the mooring chain compartment 233, and when the mooring chain 238 is recovered, the mooring chain 238 can return to the inside of the mooring chain compartment 232 by using its own weight, so that the recovery process is smoother.

Furthermore, a chain stopper (not shown) is provided inside the anchor nacelle 233, and the chain stopper is provided adjacent to the anchor winch 234, and can clamp the mooring chain 238 to limit the release or recovery of the mooring chain 238 by the anchor winch 234, for example, when the mooring chain 238 is released in place, the mooring chain 238 can be clamped by the chain stopper, and the anchor winch 234 is placed to continue releasing the mooring chain 238, and at this time, the free end of the mooring chain 238 is pulled to the seabed anchor point by a machine device such as an underwater remote control installation and is connected. With this arrangement, after the mooring chain 238 is released or retrieved, the mooring chain 238 may be clamped by the chain stopper to limit continued release or retrieval of the mooring chain 238 by the anchor winch 234, ensuring overall stability of the floating wind turbine 2.

Further, as shown in fig. 6, the floating device is further provided with a chain outlet 237 on a side wall of the anchor nacelle 233, and a chain guide 236 is provided at a position of the chain outlet 237, and a mooring chain 238 is carried on the chain guide 236 and released or recovered from the position of the chain outlet 237. By mounting the mooring chain 238 on the chain guide 236, frictional rolling of the mooring chain 238 with the chain guide 236 can be utilized to enable the mooring chain 238 to be released or recovered more smoothly through the chain outlet 237, thereby avoiding the blockage of the release or recovery of the mooring chain 238 caused by the direct mounting of the mooring chain on the side wall of the anchor nacelle 233.

The floating wind turbine 2 further comprises a crane device (not shown) which is detachably arranged on the wind turbine foundation 23, for example on a floating device of the wind turbine foundation 23, and which can be lifted in a vertical direction to be close to or away from the wind turbine head 22. Through this kind of setting, under the condition that fan aircraft nose 22 breaks down or needs to change spare part, more conveniently operate, avoided towing whole floating fan 2 to the pier, whole trawl to the conventional flow of machine position again after maintenance or replacement spare part, efficiency is higher and the cost is lower.

While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the invention, but such changes and modifications fall within the scope of the invention.

Claims (14)

1. The method for installing the floating fan comprises a fan foundation, a fan head and a fan control device; the method is characterized by comprising the following steps:

S1, arranging the assembled floating fan in an initial sea area;

s2, driving the wind wheel blades of the fan head to rotate so as to generate thrust acting on the floating fan;

S3, controlling the fan control device to adjust the yaw direction of the fan head and the pitch of the wind turbine blades, so as to change the direction and the magnitude of the thrust;

And S4, stopping rotating the wind wheel blades and installing mooring anchor chains when the floating fan reaches a designated sea area.

2. The method of installing a floating wind turbine as set forth in claim 1, wherein step S2 further includes, before driving the wind turbine blade of the wind turbine head to rotate: and adjusting the floating state of the fan foundation to enable the fan foundation to be in an inclined state, wherein the inclined direction of the fan foundation is opposite to the preset running direction of the floating fan.

3. The method for installing a floating fan as claimed in claim 2, further comprising, after step S4: s5, adjusting the floating state of the fan foundation to enable the fan foundation to be in a positive floating state.

4. The method of installing a floating fan as claimed in claim 1, wherein the floating fan is further provided with a positioning device; the step S3 further includes:

And acquiring running data of the floating fan by using the positioning device, and controlling the fan control device according to the acquired running data.

5. The method of installing a floating wind turbine of claim 4, wherein the travel data includes a distance of the floating wind turbine from the designated sea area;

The step S3 further includes: when the distance is smaller than the preset distance, the fan control device is controlled to adjust the pitch of the wind turbine blade so as to gradually reduce the thrust.

6. The method for installing a floating fan as claimed in claim 1, wherein in step S1, the floating fan is installed in the initial sea, comprising any one of the following modes:

A1, assembling the floating fan on a wharf adjacent to the starting sea area, and hauling the floating fan to the starting sea area by using a guiding ship;

a2, directly assembling the floating fan at the initial sea area.

7. The method for installing a floating fan as claimed in claim 1, wherein driving the wind turbine blade of the fan head to rotate in step S2 includes any one of the following modes:

b1, arranging a generator connected with a fan head on the floating fan, and driving the wind wheel blades to rotate by utilizing the electric energy of the generator;

B2, arranging a power supply on the land adjacent to the initial sea area and the appointed sea area, and connecting the fan head to the power supply so as to drive the wind turbine blade to rotate by utilizing the electric energy of the power supply;

and B3, driving the wind wheel blades to rotate by utilizing the natural wind speed in the sea area.

8. A method of installing a floating wind turbine as claimed in any one of claims 1 to 7, wherein the mooring chain is provided on the wind turbine foundation; the step S4 includes:

S4.1, stopping rotating the wind wheel blades and releasing the free ends of the mooring anchor chains when the floating fan reaches a designated sea area;

and S4.2, driving the free end of the mooring anchor chain to be pulled to a seabed anchor point.

9. A floating fan, characterized in that the installation of the floating fan adopts the installation method of the floating fan according to any one of claims 1-8;

The floating type fan comprises a fan foundation, a fan head and a fixed tower frame, wherein two ends of the fixed tower frame are respectively connected with the fan foundation and the fan head, and the fan head is arranged above the fan foundation through the fixed tower frame.

10. A floating wind turbine as claimed in claim 9, wherein the floating wind turbine further comprises a crane apparatus removably mounted to the wind turbine base, the crane apparatus being capable of being lifted in a vertical direction to be either closer to or farther from the wind turbine head.

11. A floating wind turbine as claimed in claim 9, wherein the wind turbine foundation includes a plurality of interconnected floating units, the floating units being provided with mooring lines, the mooring lines having fixed and free ends located respectively inside and outside the floating units;

The inside of the floating device is also provided with an anchor winch, the mooring anchor chain is connected with the anchor winch in a surrounding manner, the anchor winch can rotate around the axis of the anchor winch under the action of electric energy, and the mooring anchor chain inside the floating device is released or the mooring anchor chain outside the floating device is recovered in the rotating process.

12. The floating ventilator of claim 11, wherein the floating device comprises an anchor cabin and a chain cabin which are sequentially arranged from top to bottom, wherein the fixed end of the mooring chain is positioned in the chain cabin, the anchor winch is arranged in the anchor cabin, a connecting port is arranged between the chain cabin and the anchor cabin, and the mooring chain enters the anchor cabin from the connecting port and is connected with the anchor winch in a surrounding manner.

13. The floating wind turbine of claim 12, wherein a chain stopper is further provided inside the anchor nacelle, the chain stopper being clampable to the mooring chain to limit the release or recovery of the mooring chain by the anchor winch.

14. The floating wind turbine of claim 12, wherein a chain outlet is further provided in a side wall of the nacelle and a chain guide is provided at a location of the chain outlet, the mooring chain being carried on the chain guide and released or retrieved from the location of the chain outlet.