CN113102461A - Method for treating waste wind power blades - Google Patents
Method for treating waste wind power blades Download PDFInfo
- Publication number
- CN113102461A CN113102461A CN202110400233.0A CN202110400233A CN113102461A CN 113102461 A CN113102461 A CN 113102461A CN 202110400233 A CN202110400233 A CN 202110400233A CN 113102461 A CN113102461 A CN 113102461A
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- China
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- waste
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- wind power
- resin particles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/20—Waste processing or separation
Abstract
The invention discloses a method for treating waste wind power blades, which comprises the following steps: a. cutting and shearing the waste blade into cutting sections of 100mm x 200 mm; b. crushing the cut and sheared waste blades to obtain crushed materials; c. grinding the crushed material to obtain a ground material; d. carrying out winnowing separation on the crushed material and the ground material to obtain winnowing materials with different specifications; e. winnowing materials with different specifications are added into different products as additives. According to the processing method of the waste wind power blade, the blade is cut, crushed, ground and winnowed to obtain resin particles and glass fibers with different sizes, and the resin particles and the glass fibers are used as additives to be added into different products, so that the product performance of the products can be improved; therefore, compared with treatment methods such as stacking and the like, the method has the advantages of land saving, environmental protection, capability of recycling the materials of the waste blades, and further higher economic benefit.
Description
Technical Field
The invention relates to the technical field of environmental protection, in particular to a method for treating waste gas wind power blades
Background
The large-scale development of the wind power industry in China is started in 2004, according to preliminary market research, by 2019, the national impact scale reaches 2.09 hundred million kilowatts, the number of the fans is about 13 ten thousand, the consumption of blade composite materials of the fans kilowatts is about 15 kilograms basically, the consumption of the composite materials reaches 350-25 ten thousand tons, the service life is generally 20-25 years, and the wind power generator set can quit the service in a large scale.
The wind turbine generator is an electromechanical product, and the blade is not made of metal materials and cannot be used continuously after being overhauled, so the blade must be scrapped after the service period; the existing waste gas blade treatment modes are open-air stacking, landfill or incineration, which not only occupy a large amount of land, but also pollute the environment due to the precipitation of toxic substances in the blades, and seriously threatens human health, so that the recycling of the waste blades becomes a problem to be solved urgently.
Disclosure of Invention
The invention aims to provide a method for recycling waste wind power blades.
In order to achieve the purpose, the invention provides a method for treating waste wind power blades, which comprises the following steps: a. cutting and shearing the waste blade into cutting sections of 100mm x 200 mm; b. crushing the cut and sheared waste blades to obtain crushed materials; c. grinding the crushed material to obtain a ground material; d. carrying out winnowing separation on the crushed material and the ground material to obtain winnowing materials with different specifications; e. winnowing materials with different specifications are added into different products as additives so as to improve the product performance.
Preferably, the cutting and shearing process is to cut the waste blade into long strips by a diamond wire saw, then transversely cut the long strips by a circular saw to reach 500mm by 1000mm, and then put the cut blades into a cutting and extruding device to obtain 100mm by 200mm cut sections.
Preferably, the 100mm by 200mm cut pieces are fed into a coarse crusher and a fine crusher, and a coarse crushed material of 70mm or less is obtained by the coarse crusher and a fine crushed material of 25mm or less is obtained by the fine crusher.
Preferably, the finely crushed material is fed into a hammer crusher to obtain resin particles with a diameter of less than 3mm, and long glass fibers.
Preferably, the finely crushed material is fed into a vertical mill to obtain resin particles having a diameter of less than 0.07mm and short glass fibers having a diameter of less than 8 mm.
Preferably, the resin particles with the diameter less than 3mm, the resin particles with the diameter less than 0.07mm, the short glass fibers with the diameter less than 8mm and the long glass fibers are mixed into the cement mortar, and the adding proportion is 10-15 percent, so that the cement mortar or the waterproof heat-preservation product is manufactured.
Preferably, resin particles with the diameter of less than 3mm, resin particles with the diameter of less than 0.07mm, short glass fibers with the diameter of less than 8mm and long glass fibers are added into the asphalt road to improve the crack resistance of the asphalt road.
Preferably, long glass fibers and short glass fibers are added to the sheathing panel or the plastic member to improve the material strength of the sheathing panel and the plastic member.
Therefore, according to the processing method of the waste wind power blade with the structure, the blades are cut, crushed, ground and winnowed to obtain the resin particles and the glass fibers with different sizes, and the resin particles and the glass fibers are used as additives to be added into different products, so that the cost of the products is reduced, and the product performance of the products can be improved; therefore, compared with treatment methods such as stacking and the like, the treatment method disclosed by the invention not only saves land and is more environment-friendly, but also can recycle the materials of the waste blades, thereby bringing higher economic benefits.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
Fig. 1 is a flowchart of a method for processing waste wind blades according to the present invention.
Detailed Description
The technical solution of the present invention is further illustrated by the accompanying drawings and examples.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Examples
Fig. 1 is a flowchart of a method for processing a waste wind turbine blade according to the present invention, and as shown in fig. 1, the method for processing a waste wind turbine blade according to the present invention includes the following steps:
a. cutting and shearing the waste blade into 100 mm-200 mm cut sections, wherein the specific process of cutting and shearing is to cut the waste blade into long strips by a diamond wire saw, then transversely cutting the long strips by a circular saw to reach 500 mm-1000 mm, and then putting the cut blades into a cutting and extruding device to obtain the 100 mm-200 mm cut sections.
b. And c, crushing the cut and sheared waste blades to obtain crushed materials, wherein the specific process comprises the steps of putting the cutting sections of 100mm x 200mm obtained in the step a into a coarse crusher and a fine crusher, obtaining coarse crushed materials below 70mm through the coarse crusher, obtaining fine crushed materials below 25mm through the fine crusher, and putting the fine crushed materials into a hammer crusher to obtain resin particles with the diameter smaller than 3mm and long glass fibers.
c. B, grinding the crushed material to obtain a ground material, wherein the fine crushed material obtained in the step b is put into a vertical grinder to obtain resin particles with the diameter of less than 0.07mm and short glass fibers with the diameter of less than 8 mm;
d. carrying out winnowing separation on the crushed material and the ground material to obtain winnowing materials with different specifications;
e. winnowing materials with different specifications are added into different products as additives so as to improve the product performance.
In this embodiment, for the winnowing materials with different specifications obtained in step e, the following use modes are adopted:
the resin particles with the diameter less than 3mm, the resin particles with the diameter less than 0.07mm, the short glass fibers with the diameter less than 8mm and the long glass fibers are mixed into the cement mortar, the adding proportion is 10-15%, and the mixture is used for manufacturing cement products or waterproof heat-insulating products so as to enhance the product performance of the cement products or the waterproof heat-insulating products.
Adding resin particles with the diameter less than 3mm, resin particles with the diameter less than 0.07mm, short glass fibers with the diameter less than 8mm and long glass fibers into the asphalt road to improve the crack resistance of the asphalt road.
The long glass fiber and the short glass fiber are added into the protective plate or the plastic component to improve the material strength of the protective plate and the plastic component.
Therefore, according to the processing method of the waste wind power blade with the structure, the blades are cut, crushed, ground and winnowed to obtain the resin particles and the glass fibers with different sizes, and the resin particles and the glass fibers are used as additives to be added into different products, so that the cost of the products is reduced, and the product performance of the products can be improved; therefore, compared with treatment methods such as stacking and the like, the treatment method disclosed by the invention not only saves land and is more environment-friendly, but also can recycle the materials of the waste blades, thereby bringing higher economic benefits.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the invention without departing from the spirit and scope of the invention.
Claims (8)
1. The method for treating the waste wind power blade is characterized by comprising the following steps of:
a. cutting and shearing the waste blade into cutting sections of 100mm x 200 mm;
b. crushing the cut and sheared waste blades to obtain crushed materials;
c. grinding the crushed material to obtain a ground material;
d. carrying out winnowing separation on the crushed material and the ground material to obtain winnowing materials with different specifications;
e. winnowing materials with different specifications are added into different products as additives so as to improve the product performance.
2. The method as claimed in claim 1, wherein the cutting and shearing process comprises cutting the waste blade into long strips by a diamond wire saw, transversely cutting the long strips by a circular saw to 500mm 1000mm, and feeding the cut blades into a cutting and extruding device to obtain 100mm 200mm cut segments.
3. The method as claimed in claim 2, wherein the cutting segments of 100mm x 200mm are fed into a coarse crusher and a fine crusher, the coarse crusher produces coarse crushed material of 70mm or less, and the fine crusher produces fine crushed material of 25mm or less.
4. The method for processing the waste wind power blade as claimed in claim 3, wherein the fine crushed material is fed into a hammer crusher to obtain resin particles with a diameter less than 3mm and long glass fibers.
5. The method for processing the waste wind power blade as claimed in claim 3, wherein the fine crushed material is fed into a vertical mill to obtain resin particles with a diameter of less than 0.07mm and short glass fibers with a diameter of less than 8 mm.
6. The method for treating the waste wind power blade as claimed in any one of claims 4 or 5, wherein the resin particles with the diameter less than 3mm, the resin particles with the diameter less than 0.07mm, the short glass fibers with the diameter less than 8mm and the long glass fibers are mixed into the cement mortar, and the adding proportion is 10% -15% for manufacturing cement products or waterproof heat-preservation products.
7. The method for treating the waste wind power blade as claimed in any one of claims 4 or 5, wherein resin particles with a diameter of less than 3mm, resin particles with a diameter of less than 0.07mm, short glass fibers with a diameter of less than 8mm and long glass fibers are added into the asphalt road to improve the crack resistance of the asphalt road.
8. The method for treating the waste wind power blade as claimed in any one of claims 4 or 5, wherein long glass fiber and short glass fiber are added into the protective plate or the plastic part to improve the material strength of the protective plate and the plastic part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110400233.0A CN113102461A (en) | 2021-04-14 | 2021-04-14 | Method for treating waste wind power blades |
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| CN202110400233.0A CN113102461A (en) | 2021-04-14 | 2021-04-14 | Method for treating waste wind power blades |
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| CN113102461A true CN113102461A (en) | 2021-07-13 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113735512A (en) * | 2021-09-07 | 2021-12-03 | 湖南科技大学 | Autoclaved aerated concrete block and preparation method thereof |
| CN114274311A (en) * | 2021-12-27 | 2022-04-05 | 重庆重通成飞新材料有限公司 | Process for manufacturing glass fiber reinforced plastic fiber reinforced portland cement wallboard |
| CN114406351A (en) * | 2022-03-08 | 2022-04-29 | 内蒙古新创环境科技有限公司 | Recovery device and recovery method for waste wind power blades |
| CN114733871A (en) * | 2022-03-02 | 2022-07-12 | 北京华能长江环保科技研究院有限公司 | Fan blade recycling process method |
| CN114956630A (en) * | 2022-06-27 | 2022-08-30 | 盈创新材料(苏州)有限公司 | Formula and preparation method of coarse aggregate of waste blades for buildings |
| CN115446083A (en) * | 2022-10-08 | 2022-12-09 | 湖州明境环保科技有限公司 | Retired fan blade recycling device and method based on waste reduction |
| CN115463653A (en) * | 2022-11-14 | 2022-12-13 | 国能龙源环保有限公司 | Method for preparing denitration catalyst by utilizing waste wind power blades and application |
| CN115624968A (en) * | 2022-11-14 | 2023-01-20 | 国能龙源环保有限公司 | Method for preparing denitration catalyst by utilizing waste wind power blades and application |
| CN115716346A (en) * | 2022-11-17 | 2023-02-28 | 合肥工业大学 | Waste glass fiber reinforced plastic wind power blade recovery production line and recovery method thereof |
| CN117019357A (en) * | 2023-10-09 | 2023-11-10 | 国能龙源环保有限公司 | Waste wind power blade recovery device and method |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113735512A (en) * | 2021-09-07 | 2021-12-03 | 湖南科技大学 | Autoclaved aerated concrete block and preparation method thereof |
| CN114274311A (en) * | 2021-12-27 | 2022-04-05 | 重庆重通成飞新材料有限公司 | Process for manufacturing glass fiber reinforced plastic fiber reinforced portland cement wallboard |
| CN114733871A (en) * | 2022-03-02 | 2022-07-12 | 北京华能长江环保科技研究院有限公司 | Fan blade recycling process method |
| CN114406351A (en) * | 2022-03-08 | 2022-04-29 | 内蒙古新创环境科技有限公司 | Recovery device and recovery method for waste wind power blades |
| CN114956630A (en) * | 2022-06-27 | 2022-08-30 | 盈创新材料(苏州)有限公司 | Formula and preparation method of coarse aggregate of waste blades for buildings |
| CN115446083B (en) * | 2022-10-08 | 2023-09-22 | 湖州明境环保科技有限公司 | Retired fan blade recovery device and method based on waste decrement |
| CN115446083A (en) * | 2022-10-08 | 2022-12-09 | 湖州明境环保科技有限公司 | Retired fan blade recycling device and method based on waste reduction |
| CN115463653A (en) * | 2022-11-14 | 2022-12-13 | 国能龙源环保有限公司 | Method for preparing denitration catalyst by utilizing waste wind power blades and application |
| CN115624968A (en) * | 2022-11-14 | 2023-01-20 | 国能龙源环保有限公司 | Method for preparing denitration catalyst by utilizing waste wind power blades and application |
| CN115624968B (en) * | 2022-11-14 | 2024-02-02 | 国能龙源环保有限公司 | Method for preparing denitration catalyst by using waste wind power blades and application |
| CN115716346A (en) * | 2022-11-17 | 2023-02-28 | 合肥工业大学 | Waste glass fiber reinforced plastic wind power blade recovery production line and recovery method thereof |
| CN117019357A (en) * | 2023-10-09 | 2023-11-10 | 国能龙源环保有限公司 | Waste wind power blade recovery device and method |
| CN117019357B (en) * | 2023-10-09 | 2024-02-02 | 国能龙源环保有限公司 | Waste wind power blade recovery device and method |
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