CN214033775U - Novel anti-erosion combined type offshore wind power foundation - Google Patents
Novel anti-erosion combined type offshore wind power foundation Download PDFInfo
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- CN214033775U CN214033775U CN202023090170.3U CN202023090170U CN214033775U CN 214033775 U CN214033775 U CN 214033775U CN 202023090170 U CN202023090170 U CN 202023090170U CN 214033775 U CN214033775 U CN 214033775U
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- steel cylinder
- cladding
- cfrp cloth
- wind power
- offshore wind
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- 239000004567 concrete Substances 0.000 claims abstract description 38
- 230000003628 erosive effect Effects 0.000 claims abstract description 21
- 238000005253 cladding Methods 0.000 claims abstract description 17
- 239000011248 coating agent Substances 0.000 claims abstract description 12
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- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 abstract description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
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- 239000010410 layer Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 5
- 239000011247 coating layer Substances 0.000 description 5
- 239000011701 zinc Substances 0.000 description 5
- 229910052725 zinc Inorganic materials 0.000 description 5
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- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
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- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- WPJGWJITSIEFRP-UHFFFAOYSA-N 1,3,5-triazine-2,4,6-triamine;hydrate Chemical group O.NC1=NC(N)=NC(N)=N1 WPJGWJITSIEFRP-UHFFFAOYSA-N 0.000 description 1
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- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
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- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/727—Offshore wind turbines
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- Wind Motors (AREA)
Abstract
The utility model discloses a novel marine wind power basis of anti erosion combination formula, including the concrete base, the porous sieve formula steel cylinder of concrete base outside cladding, the cladding of the porous sieve formula steel cylinder outside has the steel cylinder, the cladding of the steel cylinder outside has CFRP cloth cladding, the outer coating of CFRP cloth cladding has the mortar coating, the concrete of concrete base still needs to add the anticorrosion erosion-resistant agent, the composition of erosion-resistant agent is wollastonite, plasticizing agent, light-burned magnesium oxide and silicon aluminium matter material. The utility model discloses utilize the bonding strength between inside concrete of mesh sieve formula steel cylinder and the outer steel cylinder can strengthen, be favorable to the transmission of shearing force, improve the advantage that both bear jointly to and scribble the mortar on having corrosion-resistant CFRP cloth surface and protect, be used for the contact of isolated CFRP cloth and sea water, can greatly improve the erosion resistance on wind-powered electricity generation basis when guaranteeing wind-powered electricity generation basis bearing capacity.
Description
Technical Field
The utility model relates to an offshore wind power basis anti erosion technology field especially relates to a novel anti erosion combination formula offshore wind power basis.
Background
In recent years, with the gradual acceleration of the development speed of offshore wind energy resources, offshore wind driven generators also have wide application prospects. However, according to the typical corrosion environment classification table of ISO-12944, it can be seen that the sea belongs to the environment with the highest corrosivity, the salt solubility of the sea water is generally about 3%, the pH value is between 7.9 and 8.4, and the sea water is a natural strong electrolyte solution, so that the wind power foundation on the sea faces the test of the marine corrosion environment.
At present, most of wind power foundations on the sea are reinforced concrete structures, and chloride ions and sulfate ions in a sea system have a strong corrosion effect on concrete. Chloride ions permeate into concrete through diffusion, have special capacity for damaging oxide films on the surfaces of reinforcing steel bars, and can generate soluble ferric chloride, so that the reinforcing steel bars in the concrete generate hydrous ferric oxide (rust), and the expansion reaction generated by the rust can cause the concrete on the upper part of the rusted reinforcing steel bars to crack and peel; these are severe corrosion of the wind turbine foundation exposed to the marine environment and the surrounding medium due to the high salinity, strong electrolysis capacity, and the presence of dissolved oxygen and organisms; therefore, a novel anti-erosion combined offshore wind power foundation is needed at present, so that the anti-erosion performance of the foundation can be improved, and the service life of a fan is ensured.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel anti erosion combination formula marine wind power basis to solve the problem that above-mentioned prior art exists, when guaranteeing wind power basis bearing capacity, greatly improve the erosion resistance on wind power basis.
In order to achieve the above object, the utility model provides a following scheme: the utility model provides a novel anti erosion combination formula offshore wind power basis, including the concrete base, the porose sieve formula steel cylinder of concrete base outside cladding, the cladding of the porose sieve formula steel cylinder outside has the steel cylinder, the cladding of the steel cylinder outside has CFRP cloth cladding, the outer coating of CFRP cloth cladding has the mortar coating, CFRP cloth cladding comprises the winding CFRP cloth of multilayer on the steel cylinder lateral wall.
Preferably, the bottom structure of the concrete base is circular, and a hollow round hole is formed in the middle of the concrete base.
Preferably, the outer side of the steel cylinder is galvanized.
Preferably, the overlapping length of the CFRP cloth is 3 cm-5 cm, and two adjacent layers of CFRP cloth are fixedly connected.
Preferably, two adjacent layers of CFRP cloth are fixedly connected through epoxy resin.
Preferably, a plurality of round holes are circumferentially formed in the wall of the hole sieve type steel cylinder.
The utility model discloses a following technological effect: the utility model discloses utilize the bonding strength between inside concrete of mesh sieve formula steel cylinder and the outer steel cylinder can strengthen, be favorable to the transmission of shearing force, improve the advantage of both common atresss, increased the bearing capacity of basis to scribbling the mortar on having corrosion-resistant CFRP cloth surface and protecting, being used for completely cutting off the contact of CFRP cloth and sea water, can greatly improve the erosion resistance on wind-powered electricity generation basis when guaranteeing that wind-powered electricity generation basis has higher bearing capacity.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic structural view of a novel erosion resistant modular offshore wind power foundation;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic structural view of a perforated screen type steel cylinder;
in the figure: the concrete base 1, the hole sieve type steel cylinder 2, the steel cylinder 3, the CFRP cloth coating 4 and the mortar coating 5.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1-3, the utility model provides a novel anti-erosion combined offshore wind power foundation, which comprises a concrete base 1, the outer side of the concrete base 1 is coated with a perforated sieve type steel cylinder 2, the outer side of the perforated sieve type steel cylinder 2 is coated with a steel cylinder 3, the outer side of the steel cylinder 3 is coated with a CFRP cloth coating layer 4, the outer side of the CFRP cloth coating layer 4 is coated with a mortar coating layer 5, the CFRP cloth coating layer 4 is composed of a plurality of layers of CFRP cloth wound on the outer side wall of the steel cylinder 3, the CFRP cloth is distributed along the circumferential direction of the coated gravity type base structure, the concrete of the concrete base 1 comprises an anti-corrosion erosion-resistant agent, the erosion-resistant agent comprises wollastonite, a plasticizer, light-burned magnesium oxide and a silica-alumina material, the wollastonite can improve the homogeneity of the concrete, and the needle-shaped structure fills capillary pores of the concrete to make the pores dense and difficult for corrosive substances to enter the interior of the concrete.
According to the further optimization scheme, the bottom structure of the concrete base 1 is circular, a hollow round hole is formed in the middle of the concrete base 1 and used for placing a tower cylinder, when the concrete base 1 is manufactured, coarse and fine aggregates with good grading need to be selected, namely the aggregates contain different coarse and fine particles in proportion, so that the compactness of concrete is improved, continuous capillary pores in the concrete are reduced, the concrete base 1 needs to be poured on the land in advance, a prefabricated foundation is launched through a semi-submersible barge, the foundation is enabled to bear certain buoyancy, and then the foundation is hoisted on a sea bed surface paved with a gravel cushion layer through a floating crane.
According to a further optimized scheme, the outer side of the steel cylinder 3 is galvanized so that a primary battery is formed by the steel cylinder and a galvanized layer in the using process, and therefore corrosion of the steel cylinder is prevented by using a cathode protection method.
According to the further optimized scheme, CFRP cloth is arranged along the circumferential direction of the covered gravity type base structure, the innermost CFRP cloth covering layer and the steel cylinder 3 and the two adjacent CFRP cloth covering layers 4 are fixedly connected in a pasting mode, the CFRP cloth is composed of high-strength carbon fibers and a matrix material binding material, the matrix material is a thermosetting resin matrix composite material and is composed of epoxy resin and furan resin, and the CFRP cloth has the characteristic of corrosion resistance.
According to the further optimized scheme, the overlapping length of the splicing part of the CFRP cloth is 3-5 cm, and the two adjacent layers of CFRP cloth are fixedly connected, so that the CFRP cloth is light in weight, convenient to construct, more durable and corrosion resistant than reinforced concrete.
According to the further optimized scheme, the two adjacent layers of CFRP cloth are fixedly connected through epoxy resin in a sticking mode, and firmness is improved.
In a further optimized scheme, the preferable main effective component of the silicon-aluminum material is Al2O3And SiO2The creep of the concrete can be reduced, and the impermeability and the durability of the concrete can be improved.
According to a further optimization scheme, the plasticizer is a melamine water reducing agent which is a product obtained by sulfonating melamine through sulfuric acid and then condensing melamine with formaldehyde, and the strength of the mortar can be greatly improved.
According to the further optimization scheme, the plurality of circular holes are formed in the circumferential direction of the wall of the hole sieve type steel cylinder 2, the hole sieve type steel cylinder is a steel cylinder structure with the circular holes formed in the local section of the surface of the cylinder wall at intervals, the bonding strength between the inner concrete and the outer layer steel cylinder can be enhanced, the transmission of shearing force is facilitated, the inner concrete and the outer layer steel cylinder bear force jointly, the bearing performance of the foundation is improved, the hole sieve type steel cylinder 2 is formed by forming the circular holes in the partition section on the wall of the welded and formed steel cylinder through two processes of straight seam welding and rotary welding.
Further optimizing the scheme, the erosion resisting agent comprises the following components in percentage by mass: 70-80% of wollastonite, 0.5-6% of plasticizer, 8-10% of light-burned magnesia, 30-35% of alumino-silica material, preferably 75% of wollastonite, 5% of plasticizer, 9% of light-burned magnesia and 31% of alumino-silica material, thereby improving the compactness of concrete and increasing the corrosion resistance.
The utility model discloses a novel construction method of anti erosion combined type offshore wind power foundation, including following step:
step 1: the whole foundation structure is prefabricated on land, the hole sieve type steel cylinder 2 and the steel cylinder 3 are firmly connected, and then the concrete base 1 is poured in the hole sieve type steel cylinder and sealed.
Step 2: treating the outer surface of the steel cylinder 3; the method comprises the following steps of firstly, carefully removing and polishing a base surface by using a grinding wheel, then, washing the surface by using clear water, and waiting for full drying.
And step 3: pressing the zinc balls loaded with 500-900N loads on the steel cylinder 3, controlling the steel cylinder 3 to reciprocate along the X direction to enable the zinc balls to slide and rub on the surface of the steel cylinder 3, controlling the steel cylinder 3 to translate by 200-800 microns along the Y direction and then reciprocate along the X direction when the steel cylinder 3 reciprocates once along the X direction, continuously moving until the surface of the steel cylinder 3 finishes a sliding and rubbing process, repeating the sliding and rubbing process for 20-90 times, and finally obtaining a zinc coating on the surface of the steel cylinder 3.
And 4, step 4: epoxy resin primer is coated on the surface of the zinc coating, CFRP cloth is adhered to the zinc coating, the blanking length of the CFRP cloth each time is larger than 3 cm-5 cm of the size of one circle of the outer side of the steel cylinder 3 and used for overlapping the splicing part of the CFRP cloth, and the CFRP cloth coating layers 4 of two adjacent layers are adhered into a whole through epoxy resin.
And 5: after the CFRP cloth is completely pasted, using a polyethylene plate for maintenance; and finally, coating mortar on the surface of the CFRP cloth for protection treatment to isolate the CFRP cloth from contacting with seawater, so that the anti-corrosion performance of the wind power foundation is improved to the maximum extent, and the novel anti-corrosion combined type offshore wind power foundation is manufactured.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (6)
1. The utility model provides a novel anti erosion combined type offshore wind power basis which characterized in that: including concrete base (1), the porous sieve formula steel cylinder (2) of concrete base (1) outside cladding, the cladding of porous sieve formula steel cylinder (2) outside has steel cylinder (3), the cladding of steel cylinder (3) outside has CFRP cloth cladding (4), the outer coating of CFRP cloth cladding (4) has mortar coating (5), CFRP cloth cladding (4) comprises the winding CFRP cloth of multilayer on steel cylinder (3) lateral wall.
2. The new erosion resistant combined offshore wind power foundation of claim 1, wherein: the bottom structure of the concrete base (1) is circular, and a hollow round hole is formed in the middle of the concrete base (1).
3. The new erosion resistant combined offshore wind power foundation of claim 1, wherein: and the outer side of the steel cylinder (3) is galvanized.
4. The new erosion resistant combined offshore wind power foundation of claim 1, wherein: the lapping length of the CFRP cloth is 3 cm-5 cm, and two adjacent layers of CFRP cloth are fixedly connected.
5. The new erosion resistant combined offshore wind power foundation of claim 4, wherein: and two adjacent layers of CFRP cloth are fixedly connected through epoxy resin.
6. The new erosion resistant combined offshore wind power foundation of claim 1, wherein: and a plurality of round holes are formed in the circumferential direction of the wall of the hole sieve type steel cylinder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023090170.3U CN214033775U (en) | 2020-12-21 | 2020-12-21 | Novel anti-erosion combined type offshore wind power foundation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023090170.3U CN214033775U (en) | 2020-12-21 | 2020-12-21 | Novel anti-erosion combined type offshore wind power foundation |
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| CN214033775U true CN214033775U (en) | 2021-08-24 |
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| CN202023090170.3U Expired - Fee Related CN214033775U (en) | 2020-12-21 | 2020-12-21 | Novel anti-erosion combined type offshore wind power foundation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112593570A (en) * | 2020-12-21 | 2021-04-02 | 沈阳建筑大学 | Novel anti-erosion combined type offshore wind power foundation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112593570A (en) * | 2020-12-21 | 2021-04-02 | 沈阳建筑大学 | Novel anti-erosion combined type offshore wind power foundation |
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Granted publication date: 20210824 |