CN110401289B - Protective layer of offshore wind power generator shell - Google Patents
Protective layer of offshore wind power generator shell Download PDFInfo
- Publication number
- CN110401289B CN110401289B CN201910490300.5A CN201910490300A CN110401289B CN 110401289 B CN110401289 B CN 110401289B CN 201910490300 A CN201910490300 A CN 201910490300A CN 110401289 B CN110401289 B CN 110401289B
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- rotating part
- generator
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
- B05D7/26—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials synthetic lacquers or varnishes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/52—Two layers
- B05D7/54—No clear coat specified
- B05D7/544—No clear coat specified the first layer is let to dry at least partially before applying the second layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/52—Two layers
- B05D7/54—No clear coat specified
- B05D7/546—No clear coat specified each layer being cured, at least partially, separately
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/002—Priming paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
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- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/02—Casings or enclosures characterised by the material thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
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- C08K2003/2251—Oxides; Hydroxides of metals of chromium
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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
Abstract
The invention provides a protective layer of a shell of an offshore wind power generator, which is arranged on the outer wall of the shell of the generator and comprises: a shell for protecting the shell of the hair care motor; the middle of the shell is provided with a hollow rotating part 111 and fixed ends fixedly connected with two ends of the generator shell; and a coating to protect the housing from corrosion; the coating is arranged on the outer wall of the shell; and a gear box for rotating the rotating part with the impeller; the rotating part is rotationally connected with the generator impeller through a gear box; the setting has the shell protection casing of rotating part not corroded, sets up the filter equipment who filters salt fog and steam in the rotating part, and the rotational speed and the impeller rotational speed synchronous change of rotating part, in the increase of wind-force, fast rotation throws away the filterable salt fog of filter equipment and steam, plays clean filter equipment's effect, prolongs its life.
Description
Technical Field
The invention relates to the technical field of generators, in particular to a protective layer of a shell of an offshore wind turbine.
Background
Offshore wind power is the front edge of future development of the wind power industry, wind resources are wide, the available time is long, but according to the severe environment of an offshore generator, an anticorrosion coating needs to be arranged on the outer wall of the generator, and the following key characteristics must be considered in the formula design of the coating: 1. the adhesive force with the generator shell is good; 2. the coating must have good uv radiation resistance; 3. good temperature change resistance; 4. good salt-spray erosion resistance; 5 good workability and environmental protection property. The important characteristics are met, the surface coating protection of the offshore wind driven generator can be realized, and the service life of the offshore wind driven generator is prolonged;
the wind driven generator is likely to bump and collide in the transportation and installation processes, so that the outer wall coating of the generator is damaged, the risk of fracture exists under the condition that the coating does not have certain toughness, once the coating is fractured, the anticorrosion effect of the coating is affected if the coating is not repaired, and the maintenance cost and the installation cost of the wind driven generator are increased.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a protective layer of a shell of an offshore wind turbine.
The invention solves the technical problems through the following technical means:
an offshore wind generator housing armor layer disposed on an outer wall of a generator housing, the armor layer comprising:
a shell for protecting the shell of the hair care motor; the middle of the shell is provided with a hollow rotating part 111 and fixed ends fixedly connected with two ends of the generator shell;
and a coating to protect the housing from corrosion; the coating is arranged on the outer wall of the shell;
and a gear box for rotating the rotating part with the impeller; the rotating part is rotationally connected with the generator impeller through a gear box.
As an improvement of the above technical solution, the ratio of the rotation speed of the rotating part to the generator impeller is at least 30.
As an improvement of the above technical solution, the rotating portion is provided with a filter device, and the filter device includes: a first filter layer for filtering salt mist and a second filter layer for filtering water vapor; the first filter layer is arranged outside the second filter layer.
As an improvement of the technical scheme, the first filter layer is glass fiber filter paper, and the second filter layer is absorbent cotton.
As an improvement of the above technical solution, the coating includes: a primer with corrosion resistance and strong adhesive force and a finish with corrosion resistance and strong toughness.
As an improvement of the technical scheme, when the priming paint and the finish paint are sprayed on the outer wall of the shell, the spraying is carried out according to the following steps:
a: coating or spraying the primer on the outer wall of the shell, and curing the primer;
b: and (4) painting or spraying the finish paint on the outer wall of the shell which is coated with the primer and the cured primer, and curing the outer wall.
As an improvement of the technical scheme, the primer is prepared from the following components in percentage by mass: 18 parts of bisphenol A epoxy resin, 35 parts of polyester polyol resin, 3 parts of lithium silicate, 8 parts of silicon dioxide, 6 parts of alumina sol, 3 parts of chromium oxide powder, 2 parts of dispersing agent and 7 parts of environment-friendly organic solvent.
As an improvement of the technical scheme, the preparation process of the primer comprises the following steps:
a: the primer comprises the following components: bisphenol A epoxy resin with C12-14Mixing alkyl glycidyl ether and xylene diluent, stirring at high speed, grinding to fineness of less than 40 μm, adding pulvis Talci, stirring at high speed to fineness of less than 40 μm;
b: and adding a polyamide curing agent into the prepared epoxy primer component I, and uniformly stirring to obtain the finish paint.
As an improvement of the technical scheme, the finishing paint is prepared from the following components in percentage by mass: 50 parts of bisphenol A epoxy resin, C12-1410 parts of alkyl glycidyl ether, 8 parts of titanium dioxide, 15 parts of talcum powder, 10 parts of xylene diluent and 7 parts of phenol aldehyde amine curing agent.
As an improvement of the technical scheme, the preparation process of the finish paint comprises the following steps:
a: the finish paint comprises the following components: bisphenol A epoxy resin with C12-14Mixing alkyl glycidyl ether and xylene as diluent, grinding to fineness not more than 40 μm, adding pulvis Talci and titanium white, stirring at high speed to fineness not more than 40 μm;
b: and adding the polyamide curing agent into the prepared epoxy finish paint component I, and uniformly stirring.
The invention has the advantages that: the shell with the rotating part is arranged to protect the shell from being corroded, the rotating part is internally provided with a filtering device for filtering salt mist and water vapor, the rotating speed of the rotating part and the rotating speed of the impeller are synchronously changed, and when wind power is increased, the rotating part can rapidly rotate to throw out the salt mist and the water vapor filtered by the filtering device, so that the effect of cleaning the filtering device is achieved, and the service life of the filtering device is prolonged; the primer with strong adhesive force is used for preventing the anti-corrosion coating from falling off, and the finish with strong toughness is used for protecting the anti-corrosion coating from being damaged in the transportation and installation processes.
Drawings
FIG. 1 is a schematic structural diagram of a generator according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a filtering apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Examples
As shown in fig. 1, in the present embodiment, a shield 100 is disposed on an outer wall of a generator housing of an offshore wind turbine, and the shield 100 includes:
a housing 110 for holding a hair-care motor housing; a rotation part 111 is provided in the middle of the housing 110.
And a coating 120 to prevent corrosion of the outer shell 110; the coating 120 is disposed on the outer wall of the housing 110;
and a gear box 130 for rotating the rotary part 111 with the impeller; the rotating part 111 is rotatably connected with the generator impeller through a gear box 130;
the rotating portion 111 rotates as the impeller rotates, and the faster the impeller rotates, the faster the rotating portion 111 rotates; when the rotating part 111 rotates, the air between the shell 110 and the shell is exchanged with the outside air, so that the heat dissipation performance of the generator is enhanced; and when encountering severe weather such as storms, the rotating portion 111 that rotates fast can throw away the rainwater fast.
The coating 120 includes: the paint comprises a primer with corrosion resistance and strong adhesive force and a finish with corrosion resistance and strong toughness;
the primer is prepared from the following components in percentage by mass: 18 parts of bisphenol A epoxy resin, 35 parts of polyester polyol resin, 3 parts of lithium silicate, 8 parts of silicon dioxide, 6 parts of alumina sol, 3 parts of chromium oxide powder, 2 parts of dispersing agent and 7 parts of environment-friendly organic solvent;
bisphenol A epoxy resin and polyester polyol resin are used as film forming materials, silicon dioxide, lithium silicate, chromium oxide and alumina sol are used for modification, and pigment, surfactant, auxiliary agent and solvent are added to prepare the protective coating for the wind driven generator blade; the lithium silicate, the silicon dioxide, the alumina sol and the chromium oxide are mutually synergistic, so that the cleanability, the wear resistance and the hardness of the protective coating are greatly improved, a more compact crystal structure is obtained, and the protective coating can effectively isolate the atmosphere and contact between a corrosive medium and a metal matrix and can enhance the corrosion resistance and the durability; therefore, the protective coating formed by matching can form a compact anti-permeability paint film, effectively prevents corrosive media such as water vapor, oxygen and the like from contacting with the surface of steel, prevents corrosion, and has good acid, alkali and salt corrosion resistance, atmospheric corrosion and abrasion resistance, strong coating adhesion, good flexibility and strong impact resistance.
The preparation process comprises the following steps:
a. adding bisphenol A epoxy resin, polyester polyol resin, lithium silicate, silicon dioxide, alumina sol and chromium oxide powder into a reaction kettle, mixing and uniformly stirring, and standing for 8min to obtain a mixed component A;
b. and adding a dispersing agent and an environment-friendly organic solvent into the mixed component A, and stirring for 5min under the condition of 2000r/min to obtain the primer.
In conclusion, the anticorrosive paint conventionally used for the wind driven generator is used as a control group, and the primer disclosed by the invention is used as an experimental group for comparison. Under the same conditions, the index data of each item are obtained as follows:
the finish paint is prepared from the following components in percentage by mass: 50 parts of bisphenol A epoxy resin, C12-1410 parts of alkyl glycidyl ether, 8 parts of titanium dioxide, 15 parts of talcum powder, 10 parts of xylene diluent and 7 parts of phenol aldehyde amine curing agent;
bisphenol A epoxy resin is used as a base material, a linear toughening modifier and a functional needle-shaped filler are added, a diluent and a curing agent are matched, and the good toughness of the primer is realized under the synergistic effect of the components, so that compared with a common epoxy coating, the toughness is improved by nearly 40%;
the preparation process comprises the following steps:
a: the finish paint comprises the following components: bisphenol A epoxy resin with C12-14Mixing alkyl glycidyl ether and xylene as diluent, grinding to fineness not more than 40 μm, adding pulvis Talci, and stirring at high speed to fineness not more than 40 μm.
b: and adding a polyamide curing agent into the prepared epoxy finish paint component I, and uniformly stirring to obtain the finish paint.
In conclusion, the anticorrosive paint conventionally used for the wind driven generator is used as a control group, and the finish paint disclosed by the invention is used as an experimental group for comparison. Under the same conditions, the index data of each item are obtained as follows:
when the primer and the finish paint are sprayed on the shell 110, the spraying is carried out according to the following steps:
a: coating or spraying the primer on the outer wall of the shell 110, and curing the primer;
b: the top coat is painted or sprayed on the outer wall of the outer shell 110, which is coated with the primer and the primer is cured, and is cured.
The primer has strong adhesive force, can be better attached to the shell 110, avoids falling off, has high toughness of the finish paint, has good anti-fatigue performance, can effectively improve the coating fracture caused by transition bumping in the transportation and assembly processes of the generator, saves the maintenance cost, and is simple and easy to implement.
As shown in fig. 2, the rotating part 111 is provided with a filter device 200, and the filter device 200 includes: a first filter layer 210 for filtering salt mist, a second filter layer 220 for filtering water vapor; the first filter layer 210 is disposed outside the second filter layer 220, and removes the salt fog in the air to prevent the salt fog from blocking the second filter layer 220.
The first filter layer 210 is glass fiber filter paper, and the second filter layer 220 is absorbent cotton; the glass fiber filter paper can filter and adsorb salt mist in air, so that the salt mist in the air is prevented from entering a shell of the generator, a shell of the generator is prevented from being corroded, and the service life of the generator is shortened; the absorbent cotton has high water absorption rate, and the second filtering layer 220 is prevented from absorbing a small amount of water vapor to reach saturation and losing efficacy.
The rotating portion 111 can throw out impurities such as salt mist and water vapor adsorbed by the filter device when rotating, so that the filter device 200 can be automatically cleaned, the service life of the filter device is prolonged, and the maintenance cost is reduced.
The gearbox 130 provides a ratio of rotational speed of the rotary part 111 to generator impeller of at least 30; the rotating speed of the impeller of the normal generator is 15r/min, the rotating speed of the rotating part 111 reaches 450r/min through the gear box, and the rotating part 111 can be guaranteed to throw out impurities filtered by the filtering device 200.
It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides an offshore wind power generation motor casing inoxidizing coating which characterized in that: the protective layer (100) is arranged on the outer wall of the generator shell, and the protective layer (100) comprises:
a housing (110) for protecting the housing of the hair care motor; the middle of the shell (110) is provided with a hollow rotating part (111) and fixed ends (112) fixedly connected with two ends of the generator shell;
and a coating (120) to protect the housing (110) from corrosion; the coating (120) is arranged on the outer wall of the shell (110);
and a gear box (130) for rotating the rotating part (111) with the impeller; the rotating part (111) is rotationally connected with the generator impeller through a gear box (130);
-the ratio of the rotational speed of the rotating part (111) to the generator impeller is at least 30;
the rotating part (111) is provided with a filter device (200), the filter device (200) comprising: a first filter layer (210) for filtering salt mist, a second filter layer (220) for filtering water vapor; the first filter layer (210) is disposed outside the second filter layer (220).
2. A marine wind generator housing armor according to claim 1, wherein: the first filter layer (210) is glass fiber filter paper, and the second filter layer (220) is absorbent cotton.
3. A marine wind generator housing armor according to claim 1 or 2, wherein: the coating (120) comprises: a primer with corrosion resistance and strong adhesive force and a finish with corrosion resistance and strong toughness.
4. A marine wind generator housing armor according to claim 3, wherein: the primer and the finish paint are sprayed on the outer wall of the shell (110), and the spraying is carried out according to the following steps:
a: coating or spraying the primer on the outer wall of the shell (110) until the primer is cured;
b: and painting or spraying the finishing paint on the outer wall of the shell (110) which is coated with the primer and the cured primer, and curing the finishing paint.
5. A marine wind generator housing armor according to claim 4, wherein: the primer is prepared from the following components in percentage by mass: 18 parts of bisphenol A epoxy resin, 35 parts of polyester polyol resin, 3 parts of lithium silicate, 8 parts of silicon dioxide, 6 parts of alumina sol, 3 parts of chromium oxide powder, 2 parts of dispersing agent and 7 parts of environment-friendly organic solvent.
6. The offshore wind turbine housing armor according to claim 5, wherein: the preparation process of the primer comprises the following steps:
a: the primer comprises the following components: bisphenol A epoxy resin addition
Mixing alkyl glycidyl ether and xylene diluent, stirring at high speed, grinding to fineness of less than 40 μm, adding pulvis Talci, stirring at high speed to fineness of less than 40 μm;
b: and adding a polyamide curing agent into the prepared epoxy primer component I, and uniformly stirring to obtain the finish paint.
7. A marine wind generator housing armor according to claim 4, wherein: the finish paint is prepared from the following components in percentage by mass: 50 parts of bisphenol A epoxy resin,
10 parts of alkyl glycidyl ether, 8 parts of titanium dioxide, 15 parts of talcum powder, 10 parts of xylene diluent and 7 parts of phenol aldehyde amine curing agent.
8. The offshore wind turbine housing armor according to claim 7, wherein: the preparation process of the finish paint comprises the following steps:
a: the finish paint comprises the following components: bisphenol A epoxy resin addition
Mixing alkyl glycidyl ether and xylene as diluent, grinding to fineness not more than 40 μm, adding pulvis Talci and titanium white, stirring at high speed to fineness not more than 40 μm;
b: and adding the polyamide curing agent into the prepared epoxy finish paint component I, and uniformly stirring.
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| CN201910490300.5A CN110401289B (en) | 2019-06-06 | 2019-06-06 | Protective layer of offshore wind power generator shell |
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| CN201910490300.5A CN110401289B (en) | 2019-06-06 | 2019-06-06 | Protective layer of offshore wind power generator shell |
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| CN110401289B true CN110401289B (en) | 2022-03-11 |
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| CN110401289A (en) | 2019-11-01 |
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Denomination of invention: A protective layer for offshore wind turbine casing Granted publication date: 20220311 Pledgee: Langxi SME Financing Guarantee Co.,Ltd. Pledgor: Anhui Qihao Machinery Equipment Manufacturing Co.,Ltd. Registration number: Y2024980000616 |
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