CN113895067B - Geogrid and preparation method thereof - Google Patents
Geogrid and preparation method thereof Download PDFInfo
- Publication number
- CN113895067B CN113895067B CN202111277422.XA CN202111277422A CN113895067B CN 113895067 B CN113895067 B CN 113895067B CN 202111277422 A CN202111277422 A CN 202111277422A CN 113895067 B CN113895067 B CN 113895067B
- Authority
- CN
- China
- Prior art keywords
- strips
- blade
- geogrid
- polyester fiber
- blades
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000002360 preparation method Methods 0.000 title abstract description 6
- 239000000835 fiber Substances 0.000 claims abstract description 28
- 229920000728 polyester Polymers 0.000 claims abstract description 28
- 239000003822 epoxy resin Substances 0.000 claims abstract description 16
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 16
- 239000002699 waste material Substances 0.000 claims abstract description 14
- 239000003365 glass fiber Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 239000002689 soil Substances 0.000 abstract description 8
- 230000004927 fusion Effects 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 description 5
- 238000004064 recycling Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D28/00—Producing nets or the like, e.g. meshes, lattices
- B29D28/005—Reticulated structure comprising reinforcements of substantial or continuous length
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
-
- 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 discloses a geogrid and a preparation method thereof, wherein waste blades are transversely cut and separated from a cavity part, the blades are cut into strips, the length of the strips of the blades is 5-10 m, the width of the strips of the blades is 4-5 cm, and the thickness of the strips of the blades is less than or equal to 4cm. The blade strip contains at least one layer of glass fibers. Epoxy resin is coated on two sides of the blade strips, the thickness of the epoxy resin is larger than 5cm, the blade strips are arranged in parallel at intervals, the blade strips are bound by a plurality of polyester fiber belts arranged in parallel, the polyester fiber belts are perpendicular to the blade strips, the polyester fiber belts are connected with the epoxy resin of the blade strips through binding or heat fusion mode, a geogrid is formed, and the single grid size of the geogrid is 5-10 cm. The waste blades are reasonably utilized, and the wind power plant roads and the photovoltaic roads in the soft soil areas are saved, excavated and the like are purchased, so that the method is environment-friendly and economical.
Description
Technical Field
The invention belongs to the field of wind power and photovoltaic power generation, and relates to a geogrid and a preparation method thereof.
Background
The recycling of the fan blade is always the key point and the difficult point of wind power recycling, and the blade manufacturing material mainly comprises glass fiber and epoxy resin and is difficult to degrade. Along with the mass retirement of wind power, the recovery amount of waste blades is larger, the current recovery mode comprises the recovery of glass fibers in factory recovery treatment, or the recovery of glass fibers in landscape, landfill and other modes, and the method has the characteristics of high cost or small digestion amount, and a large number of fan blades which cannot be recycled possibly have negative influence on the environment protection of wind power.
At present, wind farms are built in soft soil areas such as seasides, lakes and marshes, a large number of roads need to be newly repaired, and the soft soil areas need to be built, so that outsourcing of backfill is needed, the cost is high, and new large excavation is needed to be caused in purchasing the soil, so that adverse effects on the environment are caused.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a geogrid and a preparation method thereof, which are environment-friendly and economical by reasonably utilizing waste blades and purchasing and excavating wind power plant roads and photovoltaic roads in soft soil areas by saving earth and stone.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
a method of making a geogrid comprising the steps of:
the waste fan blades are transversely cut and separated from the cavity part, the blades are cut into a plurality of blade strips, the blade strips are arranged in parallel at intervals, and the waste fan blades are fixed through a plurality of polyester fiber belts arranged in parallel, and the polyester fiber belts are perpendicular to the blade strips to form the geogrid.
Preferably, the length of the blade bar is 5-10 m, the width is 4-5 cm, and the thickness is less than or equal to 4cm.
Preferably, each blade bar contains at least one layer of glass fibers.
Preferably, before the blade strips are fixed with the polyester fiber band, epoxy resin is coated on two sides of the blade strips, and the thickness of the epoxy resin is larger than 5cm.
Further, the epoxy resin is roughened prior to fixing the blade strips to the polyester fiber tape.
Further, the polyester fiber tape is connected with the epoxy resin of the blade strip by binding or heat fusion type.
Preferably, the geogrid is made with individual mesh sizes of 5-10 cm.
Preferably, the geogrid is packaged in a rolled form after being manufactured.
A geogrid is manufactured by adopting the manufacturing method according to any one of the above, a plurality of blade strips are arranged in parallel at intervals, and are fixed by a plurality of polyester fiber belts arranged in parallel, and the polyester fiber belts are perpendicular to the blade strips.
Preferably, the length of the blade strip is 5-10 m, the width is 4-5 cm, the thickness is less than or equal to 4cm, and the single grid size is 5-10 cm.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the waste blades are cut into strips, the strips of the blades and the polyester fiber belts are fixed in a displaying arrangement, and the geogrid is formed to reinforce roadbed or other soft soil, so that the tension characteristic of soil can be greatly improved, the engineering requirement is met, the long-distance transportation of earthwork is avoided, the blades can be reasonably recycled, the waste blades are reasonably utilized, and the wind power plant roads and photovoltaic roads in soft soil areas are saved, purchased, excavated and the like, so that the method is environment-friendly and economical.
Drawings
FIG. 1 is a schematic view of a vane segment according to the present invention;
FIG. 2 is a schematic view of the geogrid structure of the present invention;
FIG. 3 is a geogrid wrap of the present invention;
in the figure, 1, a cavity part; 2. blade strips; 3. a polyester fiber tape.
Detailed Description
The invention is described in further detail below with reference to the attached drawing figures:
the preparation method of the geogrid comprises the following steps:
after the metal components are removed from the waste fan, as shown in fig. 1, the waste fan blades are transversely cut and separated from the cavity part 1, then the cavity part 1 containing the waste fan blades is subjected to lancing along the main stress direction of the glass fiber in advance, and then the waste fan blades are placed on the hardened ground, and the upper part adopts a weight or other pressure equipment to crush the blade cavities.
The leaves are arranged into strips, and the minimum size is controlled to be 4cm; cutting the solid part of the blade into strips with the width not more than 5cm and the thickness not more than 4cm. The length of the blade strip 2 is 5-10 m, and different types and project specific requirements are made according to different blade lengths.
Each blade bar 2 cut into strips needs to contain glass fibers, at least one layer of glass fibers as the main rib, and two sides of each blade bar are coated with epoxy resin with the thickness of 5mm or more.
The epoxy resin of the blade is roughened.
As shown in fig. 2, the blade strips 2 are arranged in parallel at intervals, the blade strips 2 are bound by a plurality of polyester fiber bands 3 arranged in parallel, and the polyester fiber bands 3 are perpendicular to the blade strips 2.
The mesh specification formed by the banded blade strips 2 and the polyester fiber bands 3 is 5cm to 10cm.
The polyester fiber tape 3 and the resin of the blade bar 2 may be connected by binding or heat fusion type.
As shown in fig. 3, the geogrid formed by the blade strips 2 and the polyester fiber bands 3 can be manufactured and packaged in a mode of rolling up bundles, specifically rolling up the polyester fiber bands 3.
As shown in fig. 2, the prepared geogrid is formed by arranging blade strips 2 in parallel at intervals, the blade strips 2 are bound by adopting a plurality of polyester fiber belts 3 which are arranged in parallel, the polyester fiber belts 3 are perpendicular to the blade strips 2, the width of the polyester fiber belts 3 is smaller than that of the blade strips 2, and the single grid size is 5-10 cm.
The length of the blade strip 2 is 5-10 m, the width is 4-5 cm, the thickness is less than or equal to 4cm, at least one layer of glass fiber is arranged in the blade strip 2, epoxy resin is arranged on two sides of the blade strip 2, and the thickness of the epoxy resin is greater than 5cm.
The above is only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited by this, and any modification made on the basis of the technical scheme according to the technical idea of the present invention falls within the protection scope of the claims of the present invention.
Claims (10)
1. A method for preparing a geogrid, which is characterized by comprising the following steps:
the waste fan blades are transversely cut and separated from the cavity part (1), the blades are cut into a plurality of blade strips (2), the blade strips (2) are arranged in parallel at intervals, the waste fan blades are fixed through a plurality of polyester fiber belts (3) which are arranged in parallel, and the polyester fiber belts (3) are perpendicular to the blade strips (2) to form the geogrid.
2. The method for preparing a geogrid according to claim 1, characterized in that the length of the blade bar (2) is 5-10 m, the width is 4-5 cm, and the thickness is less than or equal to 4cm.
3. A method of manufacturing a geogrid according to claim 1, characterized in that each blade bar (2) contains at least one layer of glass fibres.
4. The method for preparing the geogrid according to claim 1, wherein the two sides of the blade strips (2) are coated with epoxy resin before the blade strips (2) are fixed with the polyester fiber strips (3), and the thickness of the epoxy resin is larger than 5cm.
5. The method of manufacturing a geogrid according to claim 4, characterized in that the epoxy resin is roughened before the blade strips (2) are fastened to the polyester fiber tape (3).
6. The method of manufacturing a geogrid according to claim 4, characterized in that the polyester fiber tape (3) is connected to the epoxy resin of the blade strips (2) by lashing or heat-fusible pattern.
7. A method of manufacturing a geogrid according to claim 1, characterized in that the geogrid is manufactured with a single mesh size of 5-10 cm.
8. The method of claim 1, wherein the geogrid is packaged in a rolled form after being formed.
9. Geogrid, characterized in that it is manufactured by the manufacturing method according to any of claims 1-8, a plurality of blade strips (2) are arranged in parallel at intervals, and are fixed by a plurality of polyester fiber strips (3) arranged in parallel, and the polyester fiber strips (3) are perpendicular to the blade strips (2).
10. Geogrid according to claim 9, characterized in that the blade bars (2) have a length of 5-10 m, a width of 4-5 cm, a thickness of 4cm or less and a single mesh size of 5-10 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111277422.XA CN113895067B (en) | 2021-10-29 | 2021-10-29 | Geogrid and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111277422.XA CN113895067B (en) | 2021-10-29 | 2021-10-29 | Geogrid and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113895067A CN113895067A (en) | 2022-01-07 |
| CN113895067B true CN113895067B (en) | 2023-06-16 |
Family
ID=79027724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111277422.XA Active CN113895067B (en) | 2021-10-29 | 2021-10-29 | Geogrid and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113895067B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1738935A (en) * | 2003-12-30 | 2006-02-22 | (株)三养社 | A geogrid composed of fiber-reinforced polymeric strip and method for producing the same |
| CN105563694A (en) * | 2016-02-25 | 2016-05-11 | 吉林重通成飞新材料股份公司 | Wind power blade recovery treatment method |
-
2021
- 2021-10-29 CN CN202111277422.XA patent/CN113895067B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1738935A (en) * | 2003-12-30 | 2006-02-22 | (株)三养社 | A geogrid composed of fiber-reinforced polymeric strip and method for producing the same |
| CN105563694A (en) * | 2016-02-25 | 2016-05-11 | 吉林重通成飞新材料股份公司 | Wind power blade recovery treatment method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113895067A (en) | 2022-01-07 |
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Effective date of registration: 20231213 Address after: 102209 building a, Huaneng talent innovation and entrepreneurship base, Beiqijia future science and Technology City, Changping District, Beijing Patentee after: HUANENG CLEAN ENERGY Research Institute Patentee after: Huaneng Jilin Power Generation Co.,Ltd. Address before: 102209 building a, Huaneng talent innovation and entrepreneurship base, Beiqijia future science and Technology City, Changping District, Beijing Patentee before: HUANENG CLEAN ENERGY Research Institute |