CN113969138A - Wind power blade surface deicing agent based on self-heating material and preparation method thereof - Google Patents
Wind power blade surface deicing agent based on self-heating material and preparation method thereof Download PDFInfo
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- CN113969138A CN113969138A CN202111187565.1A CN202111187565A CN113969138A CN 113969138 A CN113969138 A CN 113969138A CN 202111187565 A CN202111187565 A CN 202111187565A CN 113969138 A CN113969138 A CN 113969138A
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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
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/18—Materials not provided for elsewhere for application to surfaces to minimize adherence of ice, mist or water thereto; Thawing or antifreeze materials for application to surfaces
- C09K3/185—Thawing materials
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/40—Ice detection; De-icing means
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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
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- 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
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Abstract
The invention discloses a wind power blade surface deicing agent based on a self-heating material and a preparation method thereof4And polyvinyl alcohol with alcoholysis degree of 90%, the mixture of calcium chloride and magnesium chloride has the characteristic of lowering freezing point, is low in price, but has high corrosivity, and the corrosion influence of the mixture of calcium chloride and magnesium chloride on wind power blades can be effectively reduced by adopting industrial honey as a corrosion inhibitor. FeMnCuO4As a novel ternary semiconductor which conforms to metal oxide, has the structural characteristic of orthospinel, has good thermal stability, has good absorption capacity for ultraviolet, visible and near infrared rays, can effectively convert light energy into heat energy, and is a popular solar heat-absorbing coating material.
Description
Technical Field
The invention belongs to the technical field of wind power generation, and particularly relates to a wind power blade surface deicing agent based on a self-heating material and a preparation method thereof
Background
The wind generating set is usually located in high mountains or frontier regions and other regions which are easy to freeze, the perennial average temperature of the regions is low, and the outdoor temperature is lower than zero, so that the blade surface of the wind generating set is easy to freeze, once the blade surface freezes, the aerodynamic performance of the blade is influenced, the generating efficiency of the set is reduced, about 20-50% of generating capacity loss is caused particularly in a region with serious icing, meanwhile, the service life of the blade is also influenced, and adverse effects are brought to operating sets and personnel.
Currently common blade anti-icing/de-icing techniques include: thermal de-icing, mechanical de-icing, liquid de-icing, etc. Thermal deicing usually adopts a mode of introducing hot solution into a cavity arranged inside or arranging a resistance wire inside a blade. The mode of arranging the cavity in the blade can cause stress concentration of the wind power blade, and the mode cannot completely remove the ice layer of the blade; the mode that the resistance wire is arranged inside the blade is complex in process and high in cost, and the heating performance of the resistance wire cannot be guaranteed. The thermal deicing technology has the disadvantages of relatively high energy consumption, additional introduction of a heater for consuming electric energy and reduction of the wind power generation efficiency. Mechanical deicing is to break an ice layer by a mechanical method, and then the broken ice is impacted on the surface of a blade by airflow to slide down, or the ice layer is removed by utilizing the centrifugal force when the blade rotates or the slight vibration of the blade. However, this method requires a fixed installation on each blade at the beginning of the construction of the wind turbine generator system, which results in a difficult maintenance of the equipment after a long period of use and a risk of breaking the tooth root during a long period of operation. The liquid ice suppression mainly comprises the step of spraying a deicing agent onto the surface of a blade so as to reduce the freezing point of the surface of the wind power blade or change the adhesive force between the surface of the blade and an ice layer.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a wind power blade surface deicing agent based on a self-heating material and a preparation method thereof. The technical problems that in the prior art, the deicing agent can corrode the blade surface coating, the deicing speed is low, and the large-area spraying on the blade surface is difficult are solved.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose:
a wind power blade surface deicing agent based on a self-heating material comprises a deicing component, industrial honey and FeMnCuO4Slurry, polyvinyl alcohol and water; the deicing component is a mixture of calcium chloride and magnesium chloride;
the deicing component comprises, by mass, 20-28% of deicing component, 3-8% of industrial honey, and FeMnCuO4The total content of the slurry and the polyvinyl alcohol is 0.9-3%, and the balance is water.
The invention is further improved in that:
preferably, in the deicing composition, the molar ratio of calcium chloride to magnesium chloride is 3: 2.
Preferably, the FeMnCuO4The volume ratio of the slurry to the polyvinyl alcohol is 1: 3.
The preparation method of the wind power blade surface deicing agent based on the self-heating material comprises the step 1 of adding Cu (NO)3)2·3H2O、Fe(NO3)3·9H2O and Mn (NO)3)2·6H2O is mixed according to a molar ratio of 1: 1: 2 mixing in water to form a mixed salt solution;
step 2, adding ethylene diamine tetraacetic acid powder into the ammonia solution, and stirring to obtain an ethylene diamine tetraacetic acid ammonia solution;
step 3, adding the mixed salt solution into an ethylene diamine tetraacetic acid solution, stirring and heating to form a mixed solution;
and 4, adjusting the pH value of the mixed solution formed in the step 3, wherein the target pH value is 6.5, obtaining FeMnCuO4Gelling;
step 5, FeMnCuO4The gel is calcined to obtain FeMnCuO4Coarse particles;
step 6, FeMnCuO4Obtaining FeMnCuO after ball milling of coarse particles4Slurry;
step 7, in FeMnCuO4Adding polyvinyl alcohol into the slurry, stirring at the stirring speed of 10-15 r/min at 60 ℃, and stirring to obtain FeMnCuO4Mixed slurry of the slurry and polyvinyl alcohol;
step 8, in FeMnCuO4And adding calcium chloride, magnesium chloride and industrial honey into the mixed slurry of the slurry and the polyvinyl alcohol, and stirring for 1-1.5 hours at the temperature of 45-55 ℃ at the stirring speed of 8-12 r/min to obtain the deicing agent.
Preferably, in the step 2, the molar ratio of the metal ions in the ethylenediamine tetraacetic acid powder and the mixed salt solution is 1: 1.
Preferably, in the step 2, the mass ratio of the ammonia water solution to the ethylenediamine tetraacetic acid powder is 2.7: 8.78.
preferably, in the step 3, the stirring speed is 15-20 r/min, and the stirring temperature is 60 ℃.
Preferably, in the step 4, the pH value is adjusted by adding an ammonia water solution, continuously stirring in the adding process, wherein the stirring speed is 15-20 r/min, the stirring temperature is 60 ℃, the stirring time is 0.5-1 h, standing is carried out for 3-4h after stirring is stopped, and the FeMnCuO is obtained4And (4) gelling.
Preferably, in step 5, the calcination temperature is 700 ℃ and the calcination time is 2 h.
Preferably, in the ball milling process of step 6, the milling material balls, FeMnCuO4The mass ratio of the coarse particles to the water is 4: 1: 20, the ball milling speed is 420r/min, the ball milling is divided into four groups, and the ball milling time of each group is 1 h.
Compared with the prior art, the invention has the following beneficial effects:
the invention discloses a wind power blade surface deicing agent based on a self-heating material, which comprises a mixture of calcium chloride and magnesium chloride, industrial honey and FeMnCuO4And polyvinyl alcohol with an alcoholysis degree of 90%,the mixture of calcium chloride and magnesium chloride has the characteristic of lowering freezing point, is low in price, but has high corrosivity, and the corrosion influence of the mixture of calcium chloride and magnesium chloride on the wind power blade can be effectively reduced by adopting industrial honey as a corrosion inhibitor. FeMnCuO4As a novel ternary semiconductor which conforms to metal oxide, has the structural characteristic of orthospinel, has good thermal stability, has good absorption capacity for ultraviolet, visible and near infrared rays, can effectively convert light energy into heat energy, and is a popular solar heat-absorbing coating material. The polyvinyl alcohol is used as a binder to effectively bind the deicing agent to the surface of the wind power blade, is nontoxic, tasteless, environment-friendly and easily soluble in water, and has a certain viscosity in an aqueous solution. The higher the water temperature is, the higher the solubility is, and the polyvinyl alcohol with 90% alcoholysis degree is easily dissolved in water at 60-70 ℃. The deicing agent disclosed by the invention has good deicing and heat absorption performances, is strong in water scouring resistance and good in acid resistance, does not cause secondary pollution to the environment, is non-corrosive to wind power blades, and can work at a lower environmental temperature. The invention can ensure that the temperature of the wind power blade is relatively constant, and ensure the generating efficiency of the wind power blade; the special deicing agent for the wind power blade has the characteristics of safety in use, environmental friendliness, high deicing speed, no corrosion to the wind power blade and the like; the invention takes chloride as a main deicing component, and utilizes the synergistic effect of two additives to enhance the corrosion resistance effect and improve the deicing efficiency.
The invention also discloses a preparation method of the wind power blade surface deicing agent based on the self-heating material, and the preparation method comprises the steps of mixing the calcium chloride and the magnesium chloride, industrial honey and FeMnCuO4And polyvinyl alcohol with alcoholysis degree of 90%, adding the five substances into water in batches according to mass ratio, and stirring for half an hour in a 60 ℃ water bath to obtain the deicing fluid. The preparation method is simple, strong in operability and easy to popularize in a large range.
Furthermore, the invention adopts a sol-gel method to synthesize FeMnCuO4FeMnCuO synthesized by the method4Small grain diameter, high uniformity, easy doping modification, more dopable substances, simple process, high yield and high yieldThe method is low and the operation is simple;
furthermore, the industrial honey is used as the corrosion inhibitor, so that the corrosion effect of the chloride on the surface of the wind power blade can be reduced, and the performance of the chloride for reducing the freezing point is not influenced.
Furthermore, the invention adopts polyvinyl alcohol as the binder, can ensure that the deicing fluid is fully attached to the surface of the wind power blade, is not easy to fall off, and does not influence the surface coating and the power performance of the wind power blade.
Detailed Description
A wind power blade surface deicing agent based on a self-heating material and a preparation method thereof are disclosed, wherein the deicing agent comprises the following components: deicing component, corrosion inhibitor, radiation absorber, binder and water; the water is preferably deionized water.
The effective deicing component is a mixture of calcium chloride and magnesium chloride, and the molar ratio of the calcium chloride to the magnesium chloride is 3:2, the mass content of the mixture of calcium chloride and magnesium chloride in the deicing agent is 20-28%
The corrosion inhibitor is industrial honey, and the mass content of the corrosion inhibitor in the deicing agent is 3-8%;
the radiation absorber is FeMnCuO4，FeMnCuO4From Cu (NO)3)2·3H2O、Fe(NO3)3·9H2O、Mn(NO3)2·6H2The O and the ethylene diamine tetraacetic acid are prepared by a solution gel method. The snow melting device has good absorption capacity on ultraviolet, visible light and near infrared, and can effectively convert light energy into heat energy to increase the surface temperature of the wind power blade, so that snow can be quickly melted; in the preparation process, Cu (NO)3)2·3H2O、Fe(NO3)3·9H2O and Mn (NO)3)2·6H2The molar ratio of O is 1: 1: 2, Cu (NO)3)2·3H2O、Fe(NO3)3·9H2O and Mn (NO)3)2·6H2The total mole number of metal ions of the O and the mole ratio of the ethylene diamine tetraacetic acid is 1: 1.
The binder is polyvinyl alcohol with the alcohol degree of 90%, the polyvinyl alcohol is non-toxic, tasteless, environment-friendly and easily soluble in water, and the aqueous solution of the polyvinyl alcohol has certain viscosity;
further, FeMnCuO4Compounding with polyvinyl alcohol to obtain FeMnCuO4The mixed slurry contains 0.9-3% of deicing agent by mass; among them, FeMnCuO4And polyvinyl alcohol in a mixing volume ratio of 1: 3.
In sum, the deicing component content of the deicing agent is 20-28% by mass, the mass content of industrial honey is 3-8%, the mass content of the radiation absorber and polyvinyl alcohol is 0.9-3%, and the balance is water.
The preparation method of the wind power blade surface deicing agent based on the self-heating material comprises the following steps:
(1) adding Cu (NO)3)2·3H2O、Fe(NO3)3·9H2O and Mn (NO)3)2·6H2O is mixed according to a molar ratio of 1: 1: 2, weighing and standing the mixture, and dissolving the mixture in deionized water to form a mixed salt solution;
(2) according to the total mole number of the metal ions 1:1, weighing a certain amount of ethylenediamine tetraacetic acid; adding the ammonia water solution into an acid and alkali resistant reaction kettle through a peristaltic pump, adding the weighed ethylenediamine tetraacetic acid powder into the ammonia water solution, starting stirring blades of the reaction kettle in the whole process, wherein the stirring speed is 10-15 r/min, and the mass ratio of the ammonia water solution to the ethylenediamine tetraacetic acid is 2.7: 8.78;
(3) slowly adding the mixed salt solution into the ethylenediamine tetraacetic acid ammonia water solution obtained in the step 3 through a peristaltic pump, starting a stirring blade in the whole process, wherein the stirring speed is 15-20 r/min, and the temperature of a reaction kettle is 60 ℃;
(4) after the mixed salt solution is added, suspending stirring, detecting the pH value of the solution in the step 4, adjusting the pH value of the solution to 6.5 by dropwise adding ammonia water, starting a stirring paddle in the dropwise adding process, wherein the stirring speed is 15-20 r/min, the temperature of a reaction kettle is 60 ℃, after the dropwise adding of the pH regulator ammonia water is completed, keeping the stirring speed at 15-20 r/min, the temperature of the reaction kettle is 60 ℃, stirring for 0.5-1 h, stopping stirring and standing for 3-4h to obtain FeMnCuO4Gelling;
(5) and (3) placing the gel obtained in the step (6) into a muffle furnace for calcination, wherein the temperature of the muffle furnace is 700 ℃, closing the muffle furnace after 2 hours of calcination, and naturally cooling to room temperature to obtain FeMnCuO4Coarse particles;
(6) adopting wet ball milling to obtain FeMnCuO obtained in the step 74Placing the coarse particles in a planetary ball mill, grinding the particles with FeMnCuO4The mass ratio of the coarse particles to the deionized water is 4: 1: 20, the ball milling speed is 420r/min, the ball milling time is 1 h/group, and four groups are obtained, so that FeMnCuO is obtained4Homogenizing the slurry;
(7) after grinding, FeMnCuO4Placing the uniform slurry in a reaction kettle, adding a binder polyethanolamine through a peristaltic pump, wherein FeMnCuO4The volume ratio of the uniform slurry to the polyvinyl alcohol is 1:3, the temperature of the reaction kettle is 60 ℃, the stirring speed is 10-15 r/min, and FeMnCuO is obtained at the time4Mixed slurry of the slurry and polyvinyl alcohol;
(8) and (3) mixing the mixture of calcium chloride and magnesium chloride, industrial honey and the mixed slurry obtained in the step (9) according to the proportion, and fully and uniformly stirring in a reaction kettle at the stirring speed of 8-12 r/min, the temperature of the reaction kettle of 45-55 ℃ and the stirring time of 1-1.5 h to obtain the wind power blade surface deicing agent based on the self-heating material.
The invention is further illustrated by the following specific examples:
example 1
A wind power blade surface deicing agent based on a self-heating material comprises the following components: effective deicing components, corrosion inhibitors, radiation absorbers, binders and deionized water;
the radiation absorber is FeMnCuO4The material is prepared by a sol-gel method. FeMnCuO4Including Cu (NO)3)2·3H2O、Fe(NO3)3·9H2O and Mn (NO)3)2·6H2O。
The effective deicing component is a mixture of calcium chloride and magnesium chloride, and the molar ratio of the calcium chloride to the magnesium chloride is 3:2, the mass content of the mixture of calcium chloride and magnesium chloride in the deicing agent is 20 percent
The corrosion inhibitor is industrial honey, and the mass content of the corrosion inhibitor in the deicing agent is 3%;
the radiation absorber is FeMnCuO4The wind power blade has good absorption capacity on ultraviolet, visible light and near infrared, and can effectively convert light energy into heat energy to increase the surface temperature of the wind power blade, so that snow can be rapidly melted;
the binder is polyvinyl alcohol with the alcohol degree of 90%, the polyvinyl alcohol is non-toxic, tasteless, environment-friendly and easily soluble in water, and the aqueous solution of the polyvinyl alcohol has certain viscosity;
further, FeMnCuO4Compounding with polyvinyl alcohol to obtain FeMnCuO4The mixed slurry contains 0.9% of deicing agent by mass;
the radiation absorber is FeMnCuO4The material is prepared by a sol-gel method. FeMnCuO4Including Cu (NO)3)2·3H2O、Fe(NO3)3·9H2O、Mn(NO3)2·6H2O, ethylene diamine tetraacetic acid;
the preparation method of the wind power blade surface deicing agent based on the self-heating material comprises the following steps:
(1) adding Cu (NO)3)2·3H2O、Fe(NO3)3·9H2O and Mn (NO)3)2·6H2O is mixed according to a molar ratio of 1: 1: 2, weighing and standing the mixture, and dissolving the mixture in deionized water to form a mixed salt solution;
(2) according to the total mole number of the metal ions 1:1, weighing a certain amount of ethylenediamine tetraacetic acid; adding ammonia water solution to acid and alkali resistant reation kettle through the peristaltic pump in, adding above-mentioned ethylene diamine tetraacetic acid powder that has weighed again in the ammonia water solution, whole opening reation kettle stirring paddle leaf, stirring speed is 10r/min, and wherein the mass ratio of ammonia water solution and ethylene diamine tetraacetic acid is 2.7: 8.78;
(3) slowly adding the mixed salt solution into the ethylenediamine tetraacetic acid ammonia water solution obtained in the step 3 through a peristaltic pump, starting a stirring blade in the whole process, wherein the stirring speed is 15r/min, and the temperature of a reaction kettle is 60 ℃;
(4) after the mixed salt solution is added, suspending stirring, detecting the pH value of the solution in the step 4, adjusting the pH value of the solution to 6.5 by adding ammonia water dropwise, starting a stirring paddle in the dropwise adding process, controlling the stirring speed to be 15r/min, controlling the temperature of the reaction kettle to be 60 ℃, after the pH regulator ammonia water is added dropwise, keeping the stirring speed to be 15r/min, controlling the temperature of the reaction kettle to be 60 ℃, stopping stirring and standing for 4 hours after stirring for 1 hour to obtain FeMnCuO4Gelling;
(5) and (3) placing the gel obtained in the step (6) into a muffle furnace for calcination, wherein the temperature of the muffle furnace is 700 ℃, closing the muffle furnace after 2 hours of calcination, and naturally cooling to room temperature to obtain FeMnCuO4Coarse particles;
(6) adopting wet ball milling to obtain FeMnCuO obtained in the step 74Placing the coarse particles in a planetary ball mill, grinding the particles with FeMnCuO4The mass ratio of the coarse particles to the deionized water is 4: 1: 20, the ball milling speed is 420r/min, the ball milling time is 1 h/group, and four groups are obtained, so that FeMnCuO is obtained4Homogenizing the slurry;
(7) after grinding, FeMnCuO4Placing the uniform slurry in a reaction kettle, adding a binder polyethanolamine through a peristaltic pump, wherein FeMnCuO4The volume ratio of the uniform slurry to the polyvinyl alcohol is 1:3, the temperature of the reaction kettle is 60 ℃, the stirring speed is 15r/min, and FeMnCuO is obtained at the time4Mixing the slurry;
(8) and (3) mixing the mixture of calcium chloride and magnesium chloride, the industrial honey and the mixed slurry in the step (9) according to the proportion, and fully and uniformly stirring in a reaction kettle at the stirring speed of 12r/min, the temperature of the reaction kettle of 55 ℃ and the stirring time of 1.5h to obtain the wind power blade surface deicing agent based on the self-heating material.
Example 2
A wind power blade surface deicing agent based on a self-heating material comprises the following components: effective deicing components, corrosion inhibitors, radiation absorbers, binders and deionized water;
the radiation absorber is FeMnCuO4The material is prepared by a sol-gel method. FeMnCuO4Including Cu (NO)3)2·3H2O、Fe(NO3)3·9H2O and Mn (NO)3)2·6H2O。
The effective deicing component is a mixture of calcium chloride and magnesium chloride, and the molar ratio of the calcium chloride to the magnesium chloride is 3:2, the mass content of the mixture of calcium chloride and magnesium chloride in the deicing agent is 28 percent
The corrosion inhibitor is industrial honey, and the mass content of the corrosion inhibitor in the deicing agent is 8%;
the radiation absorber is FeMnCuO4The wind power blade has good absorption capacity on ultraviolet, visible light and near infrared, and can effectively convert light energy into heat energy to increase the surface temperature of the wind power blade, so that snow can be rapidly melted;
the binder is polyvinyl alcohol with the alcohol degree of 90%, the polyvinyl alcohol is non-toxic, tasteless, environment-friendly and easily soluble in water, and the aqueous solution of the polyvinyl alcohol has certain viscosity;
further, FeMnCuO4Compounding with polyvinyl alcohol to obtain FeMnCuO4The mixed slurry contains 3% of deicing agent by mass;
the radiation absorber is FeMnCuO4The material is prepared by a sol-gel method. FeMnCuO4Including Cu (NO)3)2·3H2O、Fe(NO3)3·9H2O、Mn(NO3)2·6H2O, ethylene diamine tetraacetic acid;
the preparation method of the wind power blade surface deicing agent based on the self-heating material comprises the following steps:
(1) adding Cu (NO)3)2·3H2O、Fe(NO3)3·9H2O and Mn (NO)3)2·6H2O is mixed according to a molar ratio of 1: 1: 2, weighing and standing the mixture, and dissolving the mixture in deionized water to form a mixed salt solution;
(2) according to the total mole number of the metal ions 1:1, weighing a certain amount of ethylenediamine tetraacetic acid; adding ammonia water solution to acid and alkali resistant reation kettle through the peristaltic pump in, adding above-mentioned ethylene diamine tetraacetic acid powder that has weighed again in the ammonia water solution, whole opening reation kettle stirring paddle leaf, stirring speed is 10r/min, and wherein the mass ratio of ammonia water solution and ethylene diamine tetraacetic acid is 2.7: 8.78;
(3) slowly adding the mixed salt solution into the ethylenediamine tetraacetic acid ammonia water solution obtained in the step 3 through a peristaltic pump, starting a stirring blade in the whole process, wherein the stirring speed is 15r/min, and the temperature of a reaction kettle is 60 ℃;
(4) and (3) stopping stirring after the mixed salt solution is added, detecting the pH value of the solution in the step (4), adjusting the pH value of the solution to be 6.5 by dropwise adding ammonia water, starting a stirring paddle in the dropwise adding process, controlling the stirring speed to be 15r/min, controlling the temperature of the reaction kettle to be 60 ℃, stopping stirring after the pH regulator ammonia water is added, controlling the stirring speed to be 15r/min, controlling the temperature of the reaction kettle to be 60 ℃, stirring for 0.5h, and standing for 3h to obtain FeMnCuO4Gelling;
(5) and (3) placing the gel obtained in the step (6) into a muffle furnace for calcination, wherein the temperature of the muffle furnace is 700 ℃, closing the muffle furnace after 2 hours of calcination, and naturally cooling to room temperature to obtain FeMnCuO4Coarse particles;
(6) adopting wet ball milling to obtain FeMnCuO obtained in the step 74Placing the coarse particles in a planetary ball mill, grinding the particles with FeMnCuO4The mass ratio of the coarse particles to the deionized water is 4: 1: 20, the ball milling speed is 420r/min, the ball milling time is 1 h/group, and four groups are obtained, so that FeMnCuO is obtained4Homogenizing the slurry;
(7) after grinding, FeMnCuO4Placing the uniform slurry in a reaction kettle, adding a binder polyethanolamine through a peristaltic pump, wherein FeMnCuO4The volume ratio of the uniform slurry to the polyvinyl alcohol is 1:3, the temperature of the reaction kettle is 60 ℃, the stirring speed is 10r/min, and FeMnCuO is obtained at the time4Mixing the slurry;
(8) and (3) mixing the mixture of calcium chloride and magnesium chloride, the industrial honey and the mixed slurry obtained in the step (9) according to the proportion, and fully and uniformly stirring in a reaction kettle at the stirring speed of 8r/min and the temperature of 45 ℃ for 1h to obtain the wind power blade surface deicing agent based on the self-heating material.
Example 3
A wind power blade surface deicing agent based on a self-heating material comprises the following components: effective deicing components, corrosion inhibitors, radiation absorbers, binders and deionized water;
the radiation absorber is FeMnCuO4The material is prepared by a sol-gel method. FeMnCuO4Including Cu (NO)3)2·3H2O、Fe(NO3)3·9H2O and Mn (NO)3)2·6H2O。
The effective deicing component is a mixture of calcium chloride and magnesium chloride, and the molar ratio of the calcium chloride to the magnesium chloride is 3:2, the mass content of the mixture of calcium chloride and magnesium chloride in the deicing agent is 25 percent
The corrosion inhibitor is industrial honey, and the mass content of the corrosion inhibitor in the deicing agent is 6%;
the radiation absorber is FeMnCuO4The wind power blade has good absorption capacity on ultraviolet, visible light and near infrared, and can effectively convert light energy into heat energy to increase the surface temperature of the wind power blade, so that snow can be rapidly melted;
the binder is polyvinyl alcohol with the alcohol degree of 90%, the polyvinyl alcohol is non-toxic, tasteless, environment-friendly and easily soluble in water, and the aqueous solution of the polyvinyl alcohol has certain viscosity;
further, FeMnCuO4Compounding with polyvinyl alcohol to obtain FeMnCuO4The mixed slurry contains 1.7% of deicing agent by mass;
the radiation absorber is FeMnCuO4The material is prepared by a sol-gel method. FeMnCuO4Including Cu (NO)3)2·3H2O、Fe(NO3)3·9H2O、Mn(NO3)2·6H2O, ethylene diamine tetraacetic acid;
the preparation method of the wind power blade surface deicing agent based on the self-heating material comprises the following steps:
(1) adding Cu (NO)3)2·3H2O、Fe(NO3)3·9H2O and Mn (NO)3)2·6H2O is mixed according to a molar ratio of 1: 1: 2, weighing and standing the mixture, and dissolving the mixture in deionized water to form a mixed salt solution;
(2) according to the total mole number of the metal ions 1:1, weighing a certain amount of ethylenediamine tetraacetic acid; adding ammonia water solution to acid and alkali resistant reation kettle through the peristaltic pump in, adding above-mentioned ethylene diamine tetraacetic acid powder that has weighed again in the ammonia water solution, whole opening reation kettle stirring paddle leaf, stirring speed is 12r/min, and wherein the mass ratio of ammonia water solution and ethylene diamine tetraacetic acid is 2.7: 8.78;
(3) slowly adding the mixed salt solution into the ethylenediamine tetraacetic acid ammonia water solution obtained in the step 3 through a peristaltic pump, starting a stirring blade in the whole process, wherein the stirring speed is 17r/min, and the temperature of a reaction kettle is 60 ℃;
(4) after the mixed salt solution is added, suspending stirring, detecting the pH value of the solution in the step 4, adjusting the pH value of the solution to be 6.5 by dropwise adding ammonia water, starting a stirring paddle in the dropwise adding process, wherein the stirring speed is 17r/min, the temperature of the reaction kettle is 60 ℃, after the dropwise adding of the pH regulator ammonia water is completed, keeping the stirring speed at 17r/min, the temperature of the reaction kettle is 60 ℃, stopping stirring and standing for 4 hours after stirring for 40 minutes to obtain FeMnCuO4Gelling;
(5) and (3) placing the gel obtained in the step (6) into a muffle furnace for calcination, wherein the temperature of the muffle furnace is 700 ℃, closing the muffle furnace after 2 hours of calcination, and naturally cooling to room temperature to obtain FeMnCuO4Coarse particles;
(6) adopting wet ball milling to obtain FeMnCuO obtained in the step 74Placing the coarse particles in a planetary ball mill, grinding the particles with FeMnCuO4The mass ratio of the coarse particles to the deionized water is 4: 1: 20, the ball milling speed is 420r/min, the ball milling time is 1 h/group, and four groups are obtained, so that FeMnCuO is obtained4Homogenizing the slurry;
(7) after grinding, FeMnCuO4Placing the uniform slurry in a reaction kettle, adding a binder polyethanolamine through a peristaltic pump, wherein FeMnCuO4The volume ratio of the uniform slurry to the polyvinyl alcohol is 1:3, the temperature of the reaction kettle is 60 ℃, the stirring speed is 11r/min, and FeMnCuO is obtained at the time4Mixing the slurry;
(8) and (3) mixing the mixture of calcium chloride and magnesium chloride, the industrial honey and the mixed slurry obtained in the step (9) according to the proportion, and fully and uniformly stirring in a reaction kettle at the stirring speed of 10r/min and the temperature of 50 ℃ for 1h to obtain the wind power blade surface deicing agent based on the self-heating material.
Example 4
A wind power blade surface deicing agent based on a self-heating material comprises the following components: effective deicing components, corrosion inhibitors, radiation absorbers, binders and deionized water;
the radiation absorber is FeMnCuO4The material is prepared by a sol-gel method. FeMnCuO4Including Cu (NO)3)2·3H2O、Fe(NO3)3·9H2O and Mn (NO)3)2·6H2O。
The effective deicing component is a mixture of calcium chloride and magnesium chloride, and the molar ratio of the calcium chloride to the magnesium chloride is 3:2, the mass content of the mixture of calcium chloride and magnesium chloride in the deicing agent is 22 percent
The corrosion inhibitor is industrial honey, and the mass content of the corrosion inhibitor in the deicing agent is 4%;
the radiation absorber is FeMnCuO4The wind power blade has good absorption capacity on ultraviolet, visible light and near infrared, and can effectively convert light energy into heat energy to increase the surface temperature of the wind power blade, so that snow can be rapidly melted;
the binder is polyvinyl alcohol with the alcohol degree of 90%, the polyvinyl alcohol is non-toxic, tasteless, environment-friendly and easily soluble in water, and the aqueous solution of the polyvinyl alcohol has certain viscosity;
further, FeMnCuO4Compounding with polyvinyl alcohol to obtain FeMnCuO4The mixed slurry contains 1% of deicing agent by mass;
the radiation absorber is FeMnCuO4The material is prepared by a sol-gel method. FeMnCuO4Including Cu (NO)3)2·3H2O、Fe(NO3)3·9H2O、Mn(NO3)2·6H2O, BDiamine tetraacetic acid;
the preparation method of the wind power blade surface deicing agent based on the self-heating material comprises the following steps:
(1) adding Cu (NO)3)2·3H2O、Fe(NO3)3·9H2O and Mn (NO)3)2·6H2O is mixed according to a molar ratio of 1: 1: 2, weighing and standing the mixture, and dissolving the mixture in deionized water to form a mixed salt solution;
(2) according to the total mole number of the metal ions 1:1, weighing a certain amount of ethylenediamine tetraacetic acid; adding ammonia water solution to acid and alkali resistant reation kettle through the peristaltic pump in, adding above-mentioned ethylene diamine tetraacetic acid powder that has weighed again in the ammonia water solution, whole opening reation kettle stirring paddle leaf, stirring speed is 11r/min, and wherein the mass ratio of ammonia water solution and ethylene diamine tetraacetic acid is 2.7: 8.78;
(3) slowly adding the mixed salt solution into the ethylenediamine tetraacetic acid ammonia water solution obtained in the step 3 through a peristaltic pump, starting a stirring blade in the whole process, wherein the stirring speed is 16r/min, and the temperature of a reaction kettle is 60 ℃;
(4) and (3) stopping stirring after the mixed salt solution is added, detecting the pH value of the solution in the step (4), adjusting the pH value of the solution to be 6.5 by dropwise adding ammonia water, starting a stirring paddle in the dropwise adding process, controlling the stirring speed to be 16r/min, controlling the temperature of the reaction kettle to be 60 ℃, keeping the stirring speed to be 16r/min after the dropwise adding of the pH regulator ammonia water is completed, controlling the temperature of the reaction kettle to be 60 ℃, stopping stirring after 50min stirring, and standing for 3.5h to obtain FeMnCuO4Gelling;
(5) and (3) placing the gel obtained in the step (6) into a muffle furnace for calcination, wherein the temperature of the muffle furnace is 700 ℃, closing the muffle furnace after 2 hours of calcination, and naturally cooling to room temperature to obtain FeMnCuO4Coarse particles;
(6) adopting wet ball milling to obtain FeMnCuO obtained in the step 74Placing the coarse particles in a planetary ball mill, grinding the particles with FeMnCuO4The mass ratio of the coarse particles to the deionized water is 4: 1: 20, the ball milling speed is 420r/min, the ball milling time is 1 h/group, and four groups are obtained, so that FeMnCuO is obtained4Homogenizing the slurry;
(7) after grinding, FeMnCuO4Placing the uniform slurry in a reaction kettle, adding a binder polyethanolamine through a peristaltic pump, wherein FeMnCuO4The volume ratio of the uniform slurry to the polyvinyl alcohol is 1:3, the temperature of the reaction kettle is 60 ℃, the stirring speed is 11r/min, and FeMnCuO is obtained at the time4Mixing the slurry;
(8) and (3) mixing the mixture of calcium chloride and magnesium chloride, the industrial honey and the mixed slurry in the step (9) according to the proportion, and fully and uniformly stirring in a reaction kettle at the stirring speed of 9r/min and the temperature of 46 ℃ for 1.1h to obtain the wind power blade surface deicing agent based on the self-heating material.
Example 5
A wind power blade surface deicing agent based on a self-heating material comprises the following components: effective deicing components, corrosion inhibitors, radiation absorbers, binders and deionized water;
the radiation absorber is FeMnCuO4The material is prepared by a sol-gel method. FeMnCuO4Including Cu (NO)3)2·3H2O、Fe(NO3)3·9H2O and Mn (NO)3)2·6H2O。
The effective deicing component is a mixture of calcium chloride and magnesium chloride, and the molar ratio of the calcium chloride to the magnesium chloride is 3:2, the mass content of the mixture of calcium chloride and magnesium chloride in the deicing agent is 24 percent
The corrosion inhibitor is industrial honey, and the mass content of the corrosion inhibitor in the deicing agent is 5%;
the radiation absorber is FeMnCuO4The wind power blade has good absorption capacity on ultraviolet, visible light and near infrared, and can effectively convert light energy into heat energy to increase the surface temperature of the wind power blade, so that snow can be rapidly melted;
the binder is polyvinyl alcohol with the alcohol degree of 90%, the polyvinyl alcohol is non-toxic, tasteless, environment-friendly and easily soluble in water, and the aqueous solution of the polyvinyl alcohol has certain viscosity;
further, FeMnCuO4Compounding with polyvinyl alcohol to obtain FeMnCuO4Mixed slurry ofThe mass content of the deicing agent is 2 percent;
the radiation absorber is FeMnCuO4The material is prepared by a sol-gel method. FeMnCuO4Including Cu (NO)3)2·3H2O、Fe(NO3)3·9H2O、Mn(NO3)2·6H2O, ethylene diamine tetraacetic acid;
the preparation method of the wind power blade surface deicing agent based on the self-heating material comprises the following steps:
(1) adding Cu (NO)3)2·3H2O、Fe(NO3)3·9H2O and Mn (NO)3)2·6H2O is mixed according to a molar ratio of 1: 1: 2, weighing and standing the mixture, and dissolving the mixture in deionized water to form a mixed salt solution;
(2) according to the total mole number of the metal ions 1:1, weighing a certain amount of ethylenediamine tetraacetic acid; adding ammonia water solution to acid and alkali resistant reation kettle through the peristaltic pump in, adding above-mentioned ethylene diamine tetraacetic acid powder that has weighed again in the ammonia water solution, whole opening reation kettle stirring paddle leaf, stirring speed is 13r/min, and wherein the mass ratio of ammonia water solution and ethylene diamine tetraacetic acid is 2.7: 8.78;
(3) slowly adding the mixed salt solution into the ethylenediamine tetraacetic acid ammonia water solution obtained in the step 3 through a peristaltic pump, starting a stirring blade in the whole process, wherein the stirring speed is 20r/min, and the temperature of a reaction kettle is 60 ℃;
(4) and (3) stopping stirring after the mixed salt solution is added, detecting the pH value of the solution in the step (4), adjusting the pH value of the solution to be 6.5 by dropwise adding ammonia water, starting a stirring paddle in the dropwise adding process, controlling the stirring speed to be 20r/min, controlling the temperature of the reaction kettle to be 60 ℃, keeping the stirring speed to be 20r/min and the temperature of the reaction kettle to be 60 ℃ after the dropwise adding of the pH regulator ammonia water is completed, stopping stirring and standing for 3.5 hours after stirring for 35 minutes to obtain FeMnCuO4Gelling;
(5) and (3) placing the gel obtained in the step (6) into a muffle furnace for calcination, wherein the temperature of the muffle furnace is 700 ℃, closing the muffle furnace after 2 hours of calcination, and naturally cooling to room temperature to obtain FeMnCuO4Coarse particles;
(6) adopting wet ball milling to obtain FeMnCuO obtained in the step 74Placing the coarse particles in a planetary ball mill, grinding the particles with FeMnCuO4The mass ratio of the coarse particles to the deionized water is 4: 1: 20, the ball milling speed is 420r/min, the ball milling time is 1 h/group, and four groups are obtained, so that FeMnCuO is obtained4Homogenizing the slurry;
(7) after grinding, FeMnCuO4Placing the uniform slurry in a reaction kettle, adding a binder polyethanolamine through a peristaltic pump, wherein FeMnCuO4The volume ratio of the uniform slurry to the polyvinyl alcohol is 1:3, the temperature of the reaction kettle is 60 ℃, the stirring speed is 12r/min, and FeMnCuO is obtained at the time4Mixing the slurry;
(8) and (3) mixing the mixture of calcium chloride and magnesium chloride, the industrial honey and the mixed slurry in the step (9) according to the proportion, and fully and uniformly stirring in a reaction kettle at the stirring speed of 11r/min and the temperature of 47 ℃ for 1.2h to obtain the wind power blade surface deicing agent based on the self-heating material.
Example 6
A wind power blade surface deicing agent based on a self-heating material comprises the following components: effective deicing components, corrosion inhibitors, radiation absorbers, binders and deionized water;
the radiation absorber is FeMnCuO4The material is prepared by a sol-gel method. FeMnCuO4Including Cu (NO)3)2·3H2O、Fe(NO3)3·9H2O and Mn (NO)3)2·6H2O。
The effective deicing component is a mixture of calcium chloride and magnesium chloride, and the molar ratio of the calcium chloride to the magnesium chloride is 3:2, the mass content of the mixture of calcium chloride and magnesium chloride in the deicing agent is 26 percent
The corrosion inhibitor is industrial honey, and the mass content of the corrosion inhibitor in the deicing agent is 7%;
the radiation absorber is FeMnCuO4The snow melting agent has good absorption capacity on ultraviolet, visible light and near infrared, and can effectively convert light energy into heat energy to increase the surface temperature of the wind power blade, so that snow can be quickly meltedThe function of (1);
the binder is polyvinyl alcohol with the alcohol degree of 90%, the polyvinyl alcohol is non-toxic, tasteless, environment-friendly and easily soluble in water, and the aqueous solution of the polyvinyl alcohol has certain viscosity;
further, FeMnCuO4Compounding with polyvinyl alcohol to obtain FeMnCuO4The mixed slurry contains 1.5% of deicing agent by mass;
the radiation absorber is FeMnCuO4The material is prepared by a sol-gel method. FeMnCuO4Including Cu (NO)3)2·3H2O、Fe(NO3)3·9H2O、Mn(NO3)2·6H2O, ethylene diamine tetraacetic acid;
the preparation method of the wind power blade surface deicing agent based on the self-heating material comprises the following steps:
(1) adding Cu (NO)3)2·3H2O、Fe(NO3)3·9H2O and Mn (NO)3)2·6H2O is mixed according to a molar ratio of 1: 1: 2, weighing and standing the mixture, and dissolving the mixture in deionized water to form a mixed salt solution;
(2) according to the total mole number of the metal ions 1:1, weighing a certain amount of ethylenediamine tetraacetic acid; adding ammonia water solution to acid and alkali resistant reation kettle through the peristaltic pump in, adding above-mentioned ethylene diamine tetraacetic acid powder that has weighed again in the ammonia water solution, whole opening reation kettle stirring paddle leaf, stirring speed is 14r/min, and wherein the mass ratio of ammonia water solution and ethylene diamine tetraacetic acid is 2.7: 8.78;
(3) slowly adding the mixed salt solution into the ethylenediamine tetraacetic acid ammonia water solution obtained in the step 3 through a peristaltic pump, starting a stirring blade in the whole process, wherein the stirring speed is 18r/min, and the temperature of a reaction kettle is 60 ℃;
(4) after the mixed salt solution is added, suspending stirring, detecting the pH value of the solution in the step 4, adjusting the pH value of the solution to be 6.5 by dropwise adding ammonia water, starting a stirring paddle in the dropwise adding process, keeping the stirring speed at 18r/min and the temperature of the reaction kettle at 60 ℃, after the dropwise adding of the pH regulator ammonia water is completed, keeping the stirring speed at 18r/min and the temperature of the reaction kettle at 60 ℃,stirring for 45min, stopping stirring and standing for 4h to obtain FeMnCuO4Gelling;
(5) and (3) placing the gel obtained in the step (6) into a muffle furnace for calcination, wherein the temperature of the muffle furnace is 700 ℃, closing the muffle furnace after 2 hours of calcination, and naturally cooling to room temperature to obtain FeMnCuO4Coarse particles;
(6) adopting wet ball milling to obtain FeMnCuO obtained in the step 74Placing the coarse particles in a planetary ball mill, grinding the particles with FeMnCuO4The mass ratio of the coarse particles to the deionized water is 4: 1: 20, the ball milling speed is 420r/min, the ball milling time is 1 h/group, and four groups are obtained, so that FeMnCuO is obtained4Homogenizing the slurry;
(7) after grinding, FeMnCuO4Placing the uniform slurry in a reaction kettle, adding a binder polyethanolamine through a peristaltic pump, wherein FeMnCuO4The volume ratio of the uniform slurry to the polyvinyl alcohol is 1:3, the temperature of the reaction kettle is 60 ℃, the stirring speed is 13r/min, and FeMnCuO is obtained at the time4Mixing the slurry;
(8) and (3) mixing the mixture of calcium chloride and magnesium chloride, the industrial honey and the mixed slurry obtained in the step (9) according to the proportion, and fully and uniformly stirring in a reaction kettle at the stirring speed of 12r/min and the temperature of 48 ℃ for 1.4h to obtain the wind power blade surface deicing agent based on the self-heating material.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The wind power blade surface deicing agent based on the self-heating material is characterized by comprising a deicing component, industrial honey and FeMnCuO4Slurry, polyvinyl alcohol and water; the deicing component is a mixture of calcium chloride and magnesium chloride;
the deicing component comprises, by mass, 20-28% of deicing component, 3-8% of industrial honey, and FeMnCuO4Sum of syrup and polyvinyl alcohol0.9-3% of (A), and the balance of water.
2. The wind power blade surface deicing agent based on the self-heating material as claimed in claim 1, wherein the molar ratio of calcium chloride to magnesium chloride in the deicing component is 3: 2.
3. The wind power blade surface deicing agent based on self-heating material as claimed in claim 1, wherein the FeMnCuO4The volume ratio of the slurry to the polyvinyl alcohol is 1: 3.
4. The preparation method of the wind power blade surface deicing agent based on the self-heating material as set forth in claim 1, characterized by comprising the following steps:
step 1, adding Cu (NO)3)2·3H2O、Fe(NO3)3·9H2O and Mn (NO)3)2·6H2O is mixed according to a molar ratio of 1: 1: 2 mixing in water to form a mixed salt solution;
step 2, adding ethylene diamine tetraacetic acid powder into the ammonia solution, and stirring to obtain an ethylene diamine tetraacetic acid ammonia solution;
step 3, adding the mixed salt solution into an ethylene diamine tetraacetic acid solution, stirring and heating to form a mixed solution;
step 4, adjusting the pH value of the mixed solution formed in the step 3 to obtain FeMnCuO, wherein the target pH value is 6.54Gelling;
step 5, FeMnCuO4The gel is calcined to obtain FeMnCuO4Coarse particles;
step 6, FeMnCuO4Obtaining FeMnCuO after ball milling of coarse particles4Slurry;
step 7, in FeMnCuO4Adding polyvinyl alcohol into the slurry, stirring at the stirring speed of 10-15 r/min at 60 ℃, and stirring to obtain FeMnCuO4Mixed slurry of the slurry and polyvinyl alcohol;
step 8, in FeMnCuO4Adding calcium chloride, magnesium chloride and polyvinyl alcohol into the mixed slurry of the slurry and the polyvinyl alcoholStirring industrial honey for 1-1.5 h at 45-55 ℃ at the stirring speed of 8-12 r/min to obtain the deicing agent.
5. The method according to claim 4, wherein in the step 2, the molar ratio of the metal ions in the ethylenediaminetetraacetic acid powder to the mixed salt solution is 1: 1.
6. The method according to claim 4, wherein in the step 2, the mass ratio of the aqueous ammonia solution to the ethylenediaminetetraacetic acid powder is 2.7: 8.78.
7. the preparation method according to claim 4, wherein in the step 3, the stirring speed is 15 to 20r/min, and the stirring temperature is 60 ℃.
8. The preparation method according to claim 4, wherein in the step 4, the pH value is adjusted by adding an ammonia water solution, the stirring is continuously carried out during the adding process, the stirring speed is 15-20 r/min, the stirring temperature is 60 ℃, the stirring time is 0.5-1 h, the stirring is stopped, and then the mixture is kept stand for 3-4h to obtain FeMnCuO4And (4) gelling.
9. The method according to claim 4, wherein the calcination temperature in step 5 is 700 ℃ and the calcination time is 2 hours.
10. The method according to any one of claims 4 to 8, wherein in the ball milling of step 6, the abrasive balls, FeMnCuO4The mass ratio of the coarse particles to the water is 4: 1: 20, the ball milling speed is 420r/min, the ball milling is divided into four groups, and the ball milling time of each group is 1 h.
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