CN201835993U - Bamboo vinyl ester resin blade for wind driven generator - Google Patents
Bamboo vinyl ester resin blade for wind driven generator Download PDFInfo
- Publication number
- CN201835993U CN201835993U CN2010202707758U CN201020270775U CN201835993U CN 201835993 U CN201835993 U CN 201835993U CN 2010202707758 U CN2010202707758 U CN 2010202707758U CN 201020270775 U CN201020270775 U CN 201020270775U CN 201835993 U CN201835993 U CN 201835993U
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- CN
- China
- Prior art keywords
- blade
- resin
- bamboo
- vinyl ester
- ester resin
- 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.)
- Expired - Lifetime
Links
- 229920005989 resin Polymers 0.000 title claims abstract description 42
- 239000011347 resin Substances 0.000 title claims abstract description 42
- 235000017166 Bambusa arundinacea Nutrition 0.000 title claims abstract description 20
- 235000017491 Bambusa tulda Nutrition 0.000 title claims abstract description 20
- 241001330002 Bambuseae Species 0.000 title claims abstract description 20
- 235000015334 Phyllostachys viridis Nutrition 0.000 title claims abstract description 20
- 239000011425 bamboo Substances 0.000 title claims abstract description 20
- 229920001567 vinyl ester resin Polymers 0.000 title claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 17
- 239000002131 composite material Substances 0.000 claims abstract description 12
- 239000003365 glass fiber Substances 0.000 claims abstract description 10
- 229920006327 polystyrene foam Polymers 0.000 claims abstract description 5
- 238000005516 engineering process Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 abstract description 6
- 239000002648 laminated material Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000003822 epoxy resin Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 229920000647 polyepoxide Polymers 0.000 description 5
- 239000002023 wood Substances 0.000 description 5
- 239000004744 fabric Substances 0.000 description 4
- 230000008676 import Effects 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000012779 reinforcing material Substances 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000005445 natural material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000008521 reorganization Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- Y02E10/722—
Landscapes
- Moulding By Coating Moulds (AREA)
Abstract
The utility model relates to a bamboo vinyl ester resin blade for a wind driven generator. The blade structurally comprises a casing and a web, the inner surface and the outer surface of the casing are made of multidirectional glass fibers, middle structure materials are strip-shaped composite materials, and a core is made from polystyrene foams. Resin is filled in the casing and the web of the blade in a vacuum guide-in process, the adopted structure materials are bamboo composite materials prepared via recombined bamboo processing technique, and the adopted resin is vinyl ester resin.
Description
Technical field
The utility model relates to a kind of bamboo matter vinyl ester resin blade of wind-driven generator, is particularly useful for being installed on the grid type wind power generating set.
Background technique
Wind energy is a kind of nature, pollution-free green energy of deriving from, and paid attention to by countries in the world.Wind power generating set generally partly is made up of wind wheel, transmission system, control system, generator etc.Wherein, wind wheel blade is the critical component of wind-force unit.The traditional wind blade is a thin-shell construction that composite material is made, and generally partly is made up of housing and web etc.
Die sinking technology is generally adopted in traditional blade production, and it is more that especially hand is stuck with paste mode, along with the increase of blade dimensions, must guarantee that blade is light and mass distribution is even, this just impel the blade production technology by die sinking technology to the mold closing technological development.Adopt mold closing technology, as the easier accurate control resin content of vacuum introductory technique, thereby guarantee the uniformity of composite material blade mass distribution, and can improve the mass stability of blade.
In recent years, blade manufacturing enterprise generally adopted epoxy resin to produce blade, in order to accelerate curing time, general in mould the heating system of built-in complexity, as laying fluid heating pipe line or electric heating cloth etc.Traditional epoxy resin thermosetting temperature is higher, is generally 70 ℃-90 ℃, is generally curing time 6-9 hour, has not only increased the cost of production of blade, has also reduced the manufacturing efficiency of blade.Use vinyl ester resin instead and produce blade, can solidify fully at normal temperatures, thus can save the heating system in the mould or solidifying temperature is reduced to lower, thereby optimized the technology that blade is produced, reduced the blade cost of production.
The selection of blade material, decision wind-force unit ride quality also is the key factor that influences the blade cost simultaneously.The main material of making at present blade in the world is a glass fibre, is the main body of blade structure, also is the major component of leaf weight.Produce blade with glass fibre, though can satisfy the mechanical property requirements of blade, cost is higher, and blade can not degrade after discarded, can not recycle, and has caused environmental pollution.It is higher to seek a kind of cost performance, and can satisfy the material of blade strength requirement, is the effective way that reduces the blade cost.
Summary of the invention
The utility model purpose is to produce a kind of bamboo matter vinyl ester resin blade of wind-driven generator.This blade structure comprises housing and web, and the housing inner and outer surface is multi-direction glass fibre, and the intermediate structure material is the strip composite material, and core is a polystyrene foam.Blade shell and web adopt the vacuum introducing technology to carry out inculcating of resin, and the intermediate structure material of employing is the bamboo composite material, and the resin that adopts is a vinyl ester resin.
The resin that described blade shell and shear web import is a vinyl ester resin, can solidify fully at normal temperatures, has saved heating system complicated in the blade production mould.Solve the application conventional resins and produced blade, the solidifying temperature height, curing time is long, needs complicated this problem of heating system.The bamboo wood that the bamboo fabrication technique of utilization reorganization makes, still not a kind of resourceful natural material, and can satisfy blade mechanics performance demands.Produce blade with bamboo wood, effectively reduced the blade cost,, be beneficial to environmental protection in the discarded recyclable utilization in back of blade.
Description of drawings
By hereinafter with reference to the description part that accompanying drawing carried out, can better understand all above-mentioned features, described accompanying drawing is:
Fig. 1 is the 3-D view of described blade of wind-driven generator;
Fig. 2 is the A cross-sectional view of blade shown in Figure 1;
Fig. 3 is the partial enlarged drawing of blade profile B part shown in Figure 2;
Fig. 4 is the partial enlarged drawing of blade profile C part shown in Figure 2;
Fig. 5 is a vacuum introducing technology flow chart;
Fig. 6 is a vacuum introducing technology piping arrangement;
Fig. 7 is Fig. 6 vacuum introducing technology piping arrangement D part enlarged view;
Fig. 8 is Fig. 6 vacuum introducing technology piping arrangement E part enlarged view.
Embodiment
Figure 1 shows that the 3-D view of blade of wind-driven generator, comprise housing 1 and web 2.
As Fig. 2, Fig. 3 and shown in Figure 4, comprise strip bamboo composite material 3 and low-density sandwich material 4 in the blade shell 1, the low density sandwich material is a polystyrene foam.Wherein, as shown in Figure 3, both sides are glass fiber compound material 5 inside and outside the low density sandwich material.As shown in Figure 4, do not use the position of bamboo composite material in the blade shell, employing density is lower than the core of 60 kilograms per cubic meter, as polystyrene foam 6, as filling core.
As shown in Figure 3, the internal surface of housing 1, outer surface contain multi-direction glass fiber compound material 5, import resin technology by vacuum and make multi-direction glass fiber compound material 5 be attached to the inside and outside both sides of bamboo composite material 3, to strengthen the overall performance of housing.
Vacuum introducing technology flow process such as Fig. 5:
S1: material is prepared, and comprises the preparation of bamboo wood, the cutting out a piece of cloth in a way with the minimum material to make two or more articles of clothing of glass fiber cloth.
S2: mould is prepared, and comprises cleaning, wiping and the coating release agent of mould.
S3: the lay of reinforcing materials such as bamboo wood, this class reinforcing material of lay glass fiber cloth, bamboo wood, Ba Shamu and PVC in mould.
S4: vacuum bag is laid, and lay vacuum bag on laminated material is spread two-layer altogether.
S5: vacuumize: take out gas in the vacuum bag, vacuumize degree of vacuum require for-0.900MPa between-the 1.000MPa, the pressurize precision is that degree of vacuum changes less than 0.003MPa in 20 minutes.
S6: resin imports, and resin is pressed into laminated material along default pipeline (as shown in Figure 6), makes all laminated materials of resin impregnated.
S7: solidify, resin is solidified fully.
S8: shear web and case bonding, location and bonding shear web, the case bonding position is coated with structure glue.
S9: solidify behind the matched moulds, by switching mechanism, two mould matched moulds carry out the back curing of resin up and down.
S10: the demoulding, two mold separation obtain the blade goods up and down.
The vinyl ester resin that the vacuum introducing technology adopts is a kind of thermosetting resin that is made by opening by epoxy resin and unsaturated acids.The unsaturated acids that adopts is a methacrylic acid, and the epoxy resin of employing is bisphenol A type epoxy resin.Adopt vinyl benzene as thinner, can reduce resin viscosity on the one hand, increase Resin Flow, on the other hand resin system is had humidification.Two keys at vinyl ester resin molecular chain two ends are extremely active, make vinyl ester resin to solidify rapidly, and the methyl on fat key both sides has the not characteristic of easily hydrolyzed, can play a protective role.It is few that described vinyl ester resin contains fat key amount, has good alkali resistance, and more secondary hydroxyl can improve the wettability of laminated material and cementability, improved the mechanical strength of laminate.Only at molecule two ends commissure, molecular chain can extend under stress vinyl ester resin, to absorb external force or impact, shows the characteristic of anti-microscopic crack or cracking, has good anti-fatigue performance.
Vacuum introducing technology resin imports pipeline and adopts radially injected rubber hose and comprise main injected rubber hose at 5 interior axial injected rubber hoses of 3 blade roots.The vacuum introducing technology is walked the sebific duct road and is arranged that shown in Fig. 6,7,8,9 is main injected rubber hose, and 7 is radially injected rubber hose of blade root, totally 3, from blade root to the blade tip parallel arrangement.8 is the auxiliary injected rubber hose of preceding trailing edge.10 are the plastic emitting pipeline.When inculcating, as shown in Figure 7, at first open gum-injecting port 11, the cast of beginning resin; ,, open gum-injecting port 12 when resin soaks into laminated material thorough and surpasses the 2nd blade root radially during injected rubber hose 100mm; When resin soaks into laminated material thorough and surpasses the 3rd blade root radially during injected rubber hose 100mm, open gum-injecting port 13, main simultaneously injected rubber hose begins to inculcate resin; When resin soak into laminated material thorough and surpass from main injected rubber hose to both sides several the 1st auxiliary when annotating depositing 100mm, open gum-injecting port 14; When resin soak into laminated material thorough and surpass from main injected rubber hose to both sides several the 2nd auxiliary when annotating depositing 100mm, open gum-injecting port 15.
Among Fig. 7 16,17 and Fig. 8 in 19 be gum exudation mouth, 18 among Fig. 8 is auxiliary gum-injecting port, can not inculcate fully when the blade tip laminated material and enable when thorough.
Claims (3)
1. bamboo matter vinyl ester resin blade of wind-driven generator, this blade structure comprises housing and web, and described housing inner and outer surface is multi-direction glass fibre, and the intermediate structure material is the strip composite material; The described housing of blade and described web adopt the vacuum introducing technology to carry out inculcating of resin; It is characterized in that the intermediate structure material of employing is the bamboo composite material, and the resin that adopts is a vinyl ester resin.
2. blade as claimed in claim 1 is characterized in that, uses density to be lower than the core of 60 kilograms per cubic meter, is filled in the position of not using the bamboo composite material in the blade shell as core.
3. blade as claimed in claim 1 is characterized in that, described core is a polystyrene foam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202707758U CN201835993U (en) | 2010-07-22 | 2010-07-22 | Bamboo vinyl ester resin blade for wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202707758U CN201835993U (en) | 2010-07-22 | 2010-07-22 | Bamboo vinyl ester resin blade for wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201835993U true CN201835993U (en) | 2011-05-18 |
Family
ID=44006097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202707758U Expired - Lifetime CN201835993U (en) | 2010-07-22 | 2010-07-22 | Bamboo vinyl ester resin blade for wind driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201835993U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111188729A (en) * | 2020-02-28 | 2020-05-22 | 中材科技风电叶片股份有限公司 | Wind power blade, core material for wind power blade and manufacturing method of core material |
| CN113462184A (en) * | 2021-06-03 | 2021-10-01 | 上纬新材料科技股份有限公司 | Composite material fan blade and preparation method and application thereof |
-
2010
- 2010-07-22 CN CN2010202707758U patent/CN201835993U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111188729A (en) * | 2020-02-28 | 2020-05-22 | 中材科技风电叶片股份有限公司 | Wind power blade, core material for wind power blade and manufacturing method of core material |
| CN113462184A (en) * | 2021-06-03 | 2021-10-01 | 上纬新材料科技股份有限公司 | Composite material fan blade and preparation method and application thereof |
| WO2022252762A1 (en) * | 2021-06-03 | 2022-12-08 | 上纬新材料科技股份有限公司 | Composite material fan blade and preparation method therefor and application thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110518 |
|
| CX01 | Expiry of patent term |