CN109895479A - A kind of method and system using discarded composite material production structural member - Google Patents
A kind of method and system using discarded composite material production structural member Download PDFInfo
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- CN109895479A CN109895479A CN201711311304.XA CN201711311304A CN109895479A CN 109895479 A CN109895479 A CN 109895479A CN 201711311304 A CN201711311304 A CN 201711311304A CN 109895479 A CN109895479 A CN 109895479A
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 239000002131 composite material Substances 0.000 title claims abstract description 29
- 239000003365 glass fiber Substances 0.000 claims abstract description 83
- 239000000203 mixture Substances 0.000 claims abstract description 78
- 239000000463 material Substances 0.000 claims abstract description 69
- 239000000843 powder Substances 0.000 claims abstract description 68
- 229920005989 resin Polymers 0.000 claims abstract description 61
- 239000011347 resin Substances 0.000 claims abstract description 61
- 239000004698 Polyethylene Substances 0.000 claims abstract description 21
- -1 polyethylene Polymers 0.000 claims abstract description 21
- 229920000573 polyethylene Polymers 0.000 claims abstract description 21
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 16
- 239000000945 filler Substances 0.000 claims abstract description 16
- 239000003999 initiator Substances 0.000 claims abstract description 16
- 239000012528 membrane Substances 0.000 claims abstract description 7
- 239000011521 glass Substances 0.000 claims description 36
- 238000003756 stirring Methods 0.000 claims description 15
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- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 6
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- WTEOIRVLGSZEPR-UHFFFAOYSA-N boron trifluoride Chemical compound FB(F)F WTEOIRVLGSZEPR-UHFFFAOYSA-N 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 6
- 238000000748 compression moulding Methods 0.000 claims description 6
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 6
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 claims description 6
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 6
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 238000003490 calendering Methods 0.000 claims description 5
- 229920002545 silicone oil Polymers 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000000654 additive Substances 0.000 claims description 4
- 230000000996 additive effect Effects 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 235000019441 ethanol Nutrition 0.000 claims description 4
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 claims description 3
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 claims description 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 3
- 229920000178 Acrylic resin Polymers 0.000 claims description 3
- 239000004925 Acrylic resin Substances 0.000 claims description 3
- 229910015900 BF3 Inorganic materials 0.000 claims description 3
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000002202 Polyethylene glycol Substances 0.000 claims description 3
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 3
- 238000013019 agitation Methods 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 229920003180 amino resin Polymers 0.000 claims description 3
- 125000002277 benzylpenicilloyl group Chemical group C(=O)(O)[C@@H]1N[C@H](SC1(C)C)[C@@H](C(=O)*)NC(CC1=CC=CC=C1)=O 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 239000012634 fragment Substances 0.000 claims description 3
- QOHMWDJIBGVPIF-UHFFFAOYSA-N n',n'-diethylpropane-1,3-diamine Chemical compound CCN(CC)CCCN QOHMWDJIBGVPIF-UHFFFAOYSA-N 0.000 claims description 3
- 229920001568 phenolic resin Polymers 0.000 claims description 3
- 239000005011 phenolic resin Substances 0.000 claims description 3
- 229920001225 polyester resin Polymers 0.000 claims description 3
- 239000004645 polyester resin Substances 0.000 claims description 3
- 229920001223 polyethylene glycol Polymers 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 229960001124 trientine Drugs 0.000 claims description 3
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 claims description 2
- 229920006266 Vinyl film Polymers 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims description 2
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 claims description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical group C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims 2
- 150000001412 amines Chemical class 0.000 claims 1
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- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
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- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 1
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Landscapes
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Abstract
The present invention relates to a kind of method and system using discarded composite material production structural member, this method comprises: after discarded composite material is crushed and is isolated resin glass fiber powder and density less than the light material powder of resin glass fiber powder by (1), resin glass fiber powder is activated, and mixed with resin, short glass fiber, initiator, release agent and filler, prepare bulk mixture；(2) bulk mixture is deposited on polyethylene film surface, forms material film, and cut off short roll dies swaging with glass fibre and cut off short silk-material membrane structure sandwich mixture at material film-glass fibre, further roll-in forms sheet mixture；(3) sheet mixture is prepared into structural member by being pressed and molded.Compared with prior art, present system is ingenious in design, and structure is simple, high degree of automation, improves material utilization, provides new thinking to discard the recycling of composite material.
Description
Technical field
The present invention relates to composite material recovery technology fields, produce structure using discarded composite material more particularly, to a kind of
The method and system of part.
Background technique
With the continuous improvement of composite materials property, many large components are also all made of composite material, such as
Large-scale wind generating blade, hull etc., the recycling after these composite materials large components are damaged or the service life expires is long-term tired
Disturb the problem of numerous technical staff.
Wind electricity blade mainly uses thermosetting material and fibrous material to be made, and the blade of general large-scale wind generating blade is long
Degree is 40m or more, and maximum width is bulky up to 2m or more.When wind electricity blade reaches service life, need to carry out it
Processing, currently without more mature processing method, be all the mode manually cut be cut to relatively small vanes block (but
Or bigger, full-size is no more than two meters) in case recycling or abandoning.The processing method of discarding is generallyd use in practice,
Secondary use is limited, causes material waste, and material utilization is low.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of utilization discard it is compound
The method and system of material production structural member.
The purpose of the present invention can be achieved through the following technical solutions:
A method of structural member is produced using discarded composite material, comprising the following steps:
(1) discarded composite material is crushed to and isolated resin glass fiber powder and density is less than the lightweight of resin glass fiber powder
After material powder, resin glass fiber powder is activated, and is mixed with resin, short glass fiber, initiator, release agent and filler, is prepared
Bulk mixture；
(2) bulk mixture is deposited on polyethylene film surface, forms material film, and cut off short roll dies pressure with glass fibre
It forms material film-glass fibre and cuts off short silk-material membrane structure sandwich mixture, further roll-in forms sheet mixture；
(3) sheet mixture is prepared into structural member by being pressed and molded.
Preferably, the discarded composite material is glass fiber compound material, including discarded large-scale wind generating leaf
Piece, glass fiber hull, radome or engine room cover.
Preferably, the step (1) uses following methods:
Vanes block is shredded into the powder that full-size is no more than 1250 mesh by (1-1)；
(1-2) is separated powder by material type, isolates resin glass fiber powder and density is less than resin glass fiber
The light material powder of powder density；
(1-3) activates resin glass fiber powder with activator, and activated resin glass powder is obtained after drying；
(1-4) stirs activated resin glass powder, resin, short glass fiber, initiator, release agent and filler at low shear
It mixes uniformly mixed, obtains with the bulk mixture.
Preferably,
Vanes block is torn up using following methods in step (1-1):
(1-1-1) respectively by shredder to vanes block carry out no less than twice tear up processing, and once tear up afterwards
It handles obtained crumb size and is less than the preceding crumb size once tearing up processing and obtaining；
(1-1-2) fragment that tears up that treated is delivered to pulverizer and is crushed, and forms full-size and is no more than 1250 mesh
Powder；
Step (1-2) separates powder according to density difference in size using airflow separator；
Activator in step (1-3) is water, phenol, methylene chloride, chloroform, silane coupling agent, maleic anhydride, second
Any one or more combination in alcohol, ethylene glycol, propyl alcohol, butanol, naphthane and decahydronaphthalene；
It is activated in step (1-3) using following methods:
Activator and resin glass fiber powder is anti-according to the mass ratio addition high pressure of mass ratio 1000~5000:100~500
It answers in kettle, first stirs 1~30min, stir process 5min~12h, is then filtered at 1~160 DEG C, retains filter excess.
Since certain activators have induction period, stirring is related with this for the first time.Activation can reinforced resin glass powder it is anti-
Activity is answered, the binding performance of resin glass fiber powder and resin is improved；Resin glass fiber powder after activation can improve the mixing of preparation
The mechanical property of material.
The preparation of bulk mixture uses following methods in step (1-4):
By resin, short glass fiber, initiator, release agent and filler according to mass ratio 20:20:10:5:45~50:40:0.1:
0.1:9.8 is sequentially added in reaction kettle, is stirred evenly, then under agitation be added activated resin glass powder, stirring 5~
30min is uniformly mixed, and obtains bulk mixture, and activated resin glass powder additive amount is 20~80wt% of bulk mixture；
In step (1-4),
The resin be one of epoxy resin, polyester resin, acrylic resin, phenolic resin and amino resins or
Multiple combinations；
The short glass fiber is the E- glass or C- glass of length 5mm~20cm；
The initiator is BPO, azodiisobutyronitrile, boron trifluoride and its complex compound, ethylenediamine, hexamethylene diamine, diethyl
One of alkene triamine, triethylene tetramine, diethylaminopropylamine, maleic anhydride and phthalic anhydride or multiple combinations；
The release agent is that odium stearate, polyethylene glycol, polyethylene wax, viscous silicone fluid, methyl-silicone oil and amino change
One of property silicone oil or multiple combinations；
The filler is one of talcum powder, calcium carbonate, aluminium powder, iron powder, diatomite and montmorillonite or multiple combinations.
Resin is basis material, and short glass fiber can further improve the performance of mixture, and the polymerization that initiator causes resin is anti-
It answers, release agent effect is to avoid reuniting and material is avoided to glue reaction kettle, while assigning product certain interior demolding performace, filler
For improving article shape stability and reducing cost, then product properties is reduced or is formed unstable component deviation greatly.
Preferably, the step (2) uses following methods:
(2-1) bulk mixture is added in hopper, falls in from the polyethylene film passed through below from hopper, and
It is coated uniformly on polyethylene film under the action of scraper, forms material film；
The one side that (2-2) two material films are coated with bulk mixture is opposite, and glass fibre is cut off short silk before roll-in
It falls on a material film, material film-glass fibre is formed by roll-in and cuts off short silk-material membrane structure sandwich mixture；
The further roll-in of sandwich mixture is formed sheet mixture by (2-3).During being somebody's turn to do, bulk mixture is impregnated with
Glass fibre cuts off short silk.
Since the mobility of material film is higher than the short silk of glass fibre, one side of the structure that sandwiches mixture in step (2-2)
Face can be such that product surface pattern improves, and on the other hand make product glass fiber content uniform.In step (2-3), the leaching of bulk mixture
Saturating glass fibre, which cuts off short silk, can be improved compactness and mechanical property.
Preferably,
The glass fibre cuts off the E- glass or C- glass that short silk is length 5mm~20cm；
The dosage of bulk mixture is 100-500g/m on the material film2；
The dosage that glass fibre cuts off short silk is 100-500g/m2。
The system that the method for composite material production structural member is discarded using the utilization, the bulk including setting gradually are mixed
Close material production unit, sheet mixture production unit and compression molding unit；
The sheet mixture production unit includes,
Horizontal charge film conveying mechanism is made of the first conveyer belt and the hopper and scraper that are arranged in above the first conveyer belt,
Vertical material film conveying mechanism by the second conveyer belt, is arranged below the second conveyer belt discharge end and is located at the first biography
The material film slewing rollers at discharge end and the hopper and scraper that are arranged in above the second conveyer belt are sent to form, hopper and scraper edge
The direction of transfer of respective belts is set gradually,
Glass fibre cuts off short silk cutting module, and the top of the first conveyer belt is arranged in, and is located at scraper and the first transmission
Between the discharge end of band,
Pressure roller module, setting is on material film slewing rollers direction of transfer.
Preferably, the scraper is by the scraper ontology being erected above respective belts and setting at scraper ontology both ends
And backwards to the baffle composition of direction of transfer fold, the edge of a knife of the scraper ontology downward, and with place on a moving belt
Gap is separated between polyethylene film, the baffle bottom is in contact with the polyethylene film of placement on a moving belt；
Preferably:
The bottom of the hopper is equipped with feed opening, and the feed opening is slit feed opening, slit feed opening
Length direction is arranged along the width direction of respective belts；
It is glass mat cutting machine that the glass fibre, which cuts off short silk cutting module, and is equipped with slit feed opening,
The length direction of seam feed opening is arranged along the width direction of respective belts.
Preferably, the pressure roller module includes multiple pressure rollers set gradually, along direction of transfer be divided into room temperature pressing section,
High temperature rolls section and cooling pressing section, and the roller temperature of the high temperature calendering section is 50 DEG C.
Compared with prior art, the invention has the following advantages:
(1) resin glass fiber and polyethylene film are prepared into slabbing mixture, can be prepared by compression molding various
Structural member, application range are more extensive.
(2) sheet mixture production unit smart structural design realizes bulk powder and glass fibers by simple equipment
Dimension cuts off AUTOMATIC ZONING distribution of the short silk on polyethylene film, and is distributed averagely, high-efficient.
(3) roll-in unit first passes through room temperature pressing section and is compacted into, and then rolls section by high temperature and soaks bulk mixture
Saturating glass fibre cuts off short silk, and forms entirety with polyethylene film, compactness and mechanical property is improved, finally by cooling pressure
It closes section and forms sheet material, winding, the temperature and pressure by simply controlling pressure roller can be realized, and it is high not need purchase
High special equipment.
Detailed description of the invention
Fig. 1 is the schematic diagram of three units of system of the invention；
Fig. 2 is the schematic diagram of bulk mixture production unit of the invention；
Fig. 3 is the schematic diagram of sheet mixture production unit of the invention.
In figure, I is bulk mixture production unit, and II is sheet mixture production unit, and III is to be pressed and molded unit, 1
It is water-jet cutting machine for large scale blade breakage to be recycled, 2,3 be vanes block, and 4 be the first shredder, and 5 be conveyer belt, and 6 are
Second shredder, 7 be air conveyor, and 8 be pulverizer, and 9 be sieve, and 91 export for sieve residue, and 92 be sieve residue recovery channel,
10 be airflow separator, and 11 be autoclave, and 12 be reaction kettle, and 13 be the first conveyer belt, and 14 be hopper, and 151 be scraper sheet
Body, 152 be baffle, and 16 be the second conveyer belt, and 17 be material film slewing rollers, and 18 be glass mat cutting machine, and 19 be pressure roller module,
20 be polyethylene film, and 21 be glass mat.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
A method of structural member is produced using discarded composite material, comprising the following steps:
(1) discarded composite material is crushed to and isolated resin glass fiber powder and density is less than the lightweight of resin glass fiber powder
After material powder, resin glass fiber powder is activated, and is mixed with resin, short glass fiber, initiator, release agent and filler, is prepared
Bulk mixture；
(2) bulk mixture is deposited on polyethylene film surface, forms material film, and cut off short roll dies pressure with glass fibre
It forms material film-glass fibre and cuts off short silk-material membrane structure sandwich mixture, further roll-in forms sheet mixture；
(3) sheet mixture is prepared into structural member by being pressed and molded.
Wherein, discarding composite material is glass fiber compound material, including discarded large-scale wind generating blade, glass reinforced plastic
Hull, radome or engine room cover.
In the present embodiment, the preparation of bulk mixture the following steps are included:
Vanes block is shredded into the powder that full-size is no more than 1250 mesh by (1-1)；
(1-2) is separated powder by material type, isolates resin glass fiber powder and density is less than resin glass fiber
The light material powder of powder density；
(1-3) activates resin glass fiber powder with activator, and activated resin glass powder is obtained after drying；
(1-4) stirs activated resin glass powder, resin, short glass fiber, initiator, release agent and filler at low shear
It mixes uniformly mixed, obtains with the bulk mixture.
Wherein, vanes block is torn up using following methods in step (1-1):
(1-1-1) respectively by shredder to vanes block carry out no less than twice tear up processing, and once tear up afterwards
It handles obtained crumb size and is less than the preceding crumb size once tearing up processing and obtaining；
(1-1-2) fragment that tears up that treated is delivered to pulverizer and is crushed, and forms full-size and is no more than 1250 mesh
Powder；
Step (1-2) separates powder according to density difference in size using airflow separator；
Step (1-3) is by activator and resin glass fiber powder according to the mass ratio of mass ratio 1000~5000:100~500
It is added in autoclave, first stirs 1~30min, stir process 5min~12h, is then filtered at 1~160 DEG C, is retained
Filter excess.Wherein, activator can be water, phenol, methylene chloride, chloroform, silane coupling agent, maleic anhydride, ethyl alcohol, second
Any one or more combination in glycol, propyl alcohol, butanol, naphthane and decahydronaphthalene.Such as in this implementation, activator is used
The mass ratio of water, water and resin glass fiber powder is 1000:200, first stirs 5 minutes, stirs in a high pressure reaction kettle at 120 DEG C
Processing 3h is mixed, is activated.It can also be carried out at cremate according to the activator and suitable temperature of specific choice in practice
Reason, such as the mixed liquor of ethyl alcohol and propyl alcohol is selected to be activated etc. at 70 DEG C.
The preparation of bulk mixture uses following methods in step (1-4):
By resin, short glass fiber, initiator, release agent and filler according to mass ratio 20:20:10:5:45~50:40:0.1:
0.1:9.8 is sequentially added in reaction kettle, is stirred evenly, then under agitation be added activated resin glass powder, stirring 5~
30min is uniformly mixed, and obtains bulk mixture, and activated resin glass powder additive amount is 20~80wt% of bulk mixture.
Such as in the present embodiment, resin, short glass fiber, initiator, release agent and filler mass ratio be 35:25:5:3:32, activated resin
Glass powder additive amount is the 60wt% of bulk mixture, and after activated resin glass powder is added, mixing time is 15 minutes.Its
In, resin is one of epoxy resin, polyester resin, acrylic resin, phenolic resin and amino resins or multiple combinations；It is short
Glass is the E- glass or C- glass of length 5mm~20cm；Initiator is BPO, azodiisobutyronitrile, boron trifluoride and its complexing
Object, ethylenediamine, hexamethylene diamine, diethylenetriamine, triethylene tetramine, diethylaminopropylamine, maleic anhydride and phthalic acid
One of acid anhydride or multiple combinations；Release agent be odium stearate, polyethylene glycol, polyethylene wax, viscous silicone fluid, methyl-silicone oil and
One of amino-modified silicone oil or multiple combinations；Filler is in talcum powder, calcium carbonate, aluminium powder, iron powder, diatomite and montmorillonite
One or more combinations.Such as in the present embodiment, resin is epoxy resin, and short glass fiber is the E- glass of length 1cm, initiator
For BPO, release agent is odium stearate, and filler is montmorillonite, more uniform in order to disperse, and montmorillonite selects nanoscale montmorillonite.
In the present embodiment, the preparation of sheet mixture uses following methods:
(2-1) bulk mixture is added in hopper, falls in from the polyethylene film passed through below from hopper, and
It is coated uniformly on polyethylene film under the action of scraper, forms material film；
The one side that (2-2) two material films are coated with bulk mixture is opposite, and glass fibre is cut off short silk before roll-in
It falls on a material film, material film-glass fibre is formed by roll-in and cuts off short silk-material membrane structure sandwich mixture；
The further roll-in of sandwich mixture is formed sheet mixture by (2-3).
Wherein, the glass fibre cuts off the E- glass or C- glass that short silk is length 5mm~20cm；The material film
The dosage of upper bulk mixture is 100~500g/m2；The dosage that glass fibre cuts off short silk is 100~500g/m2；The present embodiment
In, glass fibre cuts off the E- glass that short filament length degree is 10mm, expects that the dosage of bulk mixture on film is 300g/m2, glass fibers
The dosage that dimension cuts off short silk is 100g/m2。
Using the system of the above method, as shown in Figure 1, including that the bulk mixture production unit I set gradually, sheet are mixed
Close material production unit II and compression molding unit III.
Wherein, bulk mixture production unit I, as shown in Fig. 2, including field processing equipment and dystopy processing equipment,
In, field processing equipment is water-jet cutting machine 2, and setting is at installation scene, for dividing large scale blade breakage 1 to be recycled
At small size vanes block 3, dystopy processing equipment include set gradually tear up module, crush module, pneumatic separation module, activation
Module and at material module, can be set in specified factory.Specifically, in the present embodiment, tearing up module includes at least two strings
Join the shredder of setting, and the particle size after cracking of latter shredder is less than the particle size after cracking of previous shredder, such as shown in Fig. 1, tears
Broken module has 6 two shredders of the first shredder 4 and the second shredder, and the particle size after cracking of the second shredder 6 is torn less than first
Broken machine 4 tears up granularity.Crushing module is pulverizer 8, is connected between adjacent shredder by conveyer belt 5, the second shredder 6
It is connect between pulverizer 8 by air conveyor 7.The exit of pulverizer 8 is equipped with sieve 9, and the aperture of sieve 9 is not more than
1250 mesh, the sieve 9 is triangular in shape, and an apex tilts down, and is equipped with sieve residue outlet 91, sieve residue in the apex
Outlet 91 is connect by sieve residue recovery channel 92 with the import of air conveyor 7, and generally, the angle of sieve and horizontal plane is
It 30~45 °, being rolled both ensure that sieve residue can be exported preferably to sieve residue, in turn avoiding powder when stopping on wire side
Between it is too short caused by meet the powders of granularity requirements and have little time to be sieved.As shown in Fig. 1~2.Pneumatic separation module is pneumatic separation
The lower section of sieve 9 is arranged in machine 10, the entrance of airflow separator 10.In order to preferably powder be avoided to disperse, airflow separator 10
Entrance and sieve 9 between sealing pipeline can be set；The Activation Module of the present embodiment be the autoclave 11 set gradually,
Nutsch filter and drier, autoclave 11 are equipped with rabbling mechanism and temperature control mechanism；It is reaction kettle 12 at material module.
Sheet mixture production unit II, as shown in figure 3, include horizontal charge film conveying mechanism, vertical material film conveying mechanism,
Glass fibre cuts off short silk cutting module and pressure roller module 19.Wherein, horizontal charge film conveying mechanism by the first conveyer belt 13 and is set
Set the hopper 14 and scraper composition above the first conveyer belt 13；Vertical material film conveying mechanism is existed by the second conveyer belt 16, setting
Below second conveyer belt, 16 discharge end and the material film slewing rollers 17 being located at 16 discharge end of the first conveyer belt and setting are second
The hopper 14 and scraper composition of 16 top of conveyer belt, hopper 14 and scraper are set gradually along the direction of transfer of respective belts；Glass
The top of the first conveyer belt 13 is arranged in the short silk cutting module of glass fibre cutting, and is located at the discharging of scraper and the first conveyer belt 13
Between end；The setting of pressure roller module 19 is on material 17 direction of transfer of film slewing rollers.
Specifically, in this implementation, scraper is by the scraper ontology 151 being erected above respective belts and setting in scraper sheet
151 both ends of body and backwards to direction of transfer fold baffle 152 form, the edge of a knife of the scraper ontology 151 downward, and with put
It sets and is separated with gap between polyethylene film 20 on a moving belt, 152 bottom of baffle and place on a moving belt poly-
Vinyl film 20 is in contact；The bottom of hopper 14 is equipped with feed opening, and the feed opening is slit feed opening, slit blanking
The length direction of mouth is arranged along the width direction of respective belts；Glass fibre cuts off short silk cutting module and cuts for glass mat
Off line 18, and it is equipped with slit feed opening, the length direction of seam feed opening is arranged along the width direction of respective belts.It is described
Pressure roller module 19 include multiple pressure rollers set gradually, be divided into room temperature pressing section, high temperature calendering section and cooling along direction of transfer
The roller temperature of pressing section, the high temperature calendering section is 50 DEG C.
Compression molding unit III is compression molding die, is set as needed.
The above-mentioned description to embodiment is for ease of ordinary skill in the art to understand and use the invention.It is ripe
The personnel for knowing art technology obviously easily can make various modifications to these embodiments, and general original described herein
It ought to use in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to the above embodiments, this field
Technical staff's announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be in guarantors of the invention
Within the scope of shield.
Claims (10)
1. a kind of method using discarded composite material production structural member, which comprises the following steps:
(1) discarded composite material is crushed to and isolated resin glass fiber powder and density is less than the light material of resin glass fiber powder
After powder, resin glass fiber powder is activated, and is mixed with resin, short glass fiber, initiator, release agent and filler, bulk is prepared
Mixture；
(2) bulk mixture is deposited on polyethylene film surface, forms material film, and with glass fibre cut off short roll dies swaging at
Material film-glass fibre cuts off short silk-material membrane structure sandwich mixture, and further roll-in forms sheet mixture；
(3) sheet mixture is prepared into structural member by being pressed and molded.
2. a kind of method using discarded composite material production structural member according to claim 1, which is characterized in that described
Discarded composite material be glass fiber compound material, including discarded large-scale wind generating blade, glass fiber hull, radome
Or engine room cover.
3. a kind of method using discarded composite material production structural member according to claim 2, which is characterized in that described
The step of (1) use following methods:
Vanes block is shredded into the powder that full-size is no more than 1250 mesh by (1-1)；
(1-2) is separated powder by material type, isolates resin glass fiber powder and density is less than resin glass fiber powder
The light material powder of density；
(1-3) activates resin glass fiber powder with activator, and activated resin glass powder is obtained after drying；
(1-4) stirs activated resin glass powder, resin, short glass fiber, initiator, release agent and filler mixed at low shear
It closes uniformly, obtains with the bulk mixture.
4. a kind of method using discarded composite material production structural member according to claim 3, which is characterized in that
Vanes block is torn up using following methods in step (1-1):
(1-1-1) respectively by shredder to vanes block carry out no less than twice tear up processing, and once tear up processing afterwards
Obtained crumb size is less than the preceding crumb size once tearing up processing and obtaining；
(1-1-2) fragment that tears up that treated is delivered to pulverizer and is crushed, and forms the powder that full-size is no more than 1250 mesh
Material；
Step (1-2) separates powder according to density difference in size using airflow separator；
Activator in step (1-3) be water, phenol, methylene chloride, chloroform, silane coupling agent, maleic anhydride, ethyl alcohol,
Any one or more combination in ethylene glycol, propyl alcohol, butanol, naphthane and decahydronaphthalene；
It is activated in step (1-3) using following methods:
Autoclave is added according to the mass ratio of mass ratio 1000~5000:100~500 in activator and resin glass fiber powder
In, 1~30min is first stirred, stir process 5min~12h, is then filtered at 1~160 DEG C, retains filter excess.
The preparation of bulk mixture uses following methods in step (1-4):
By resin, short glass fiber, initiator, release agent and filler according to mass ratio 20:20:10:5:45~50:40:0.1:0.1:
9.8 sequentially add in reaction kettle, stir evenly, then under agitation be added activated resin glass powder, stirring 5~
30min is uniformly mixed, and obtains bulk mixture, and activated resin glass powder additive amount is 20~80wt% of bulk mixture；
In step (1-4),
The resin is one of epoxy resin, polyester resin, acrylic resin, phenolic resin and amino resins or a variety of
Combination；
The short glass fiber is the E- glass or C- glass of length 5mm~20cm；
The initiator is BPO, azodiisobutyronitrile, boron trifluoride and its complex compound, ethylenediamine, hexamethylene diamine, divinyl three
One of amine, triethylene tetramine, diethylaminopropylamine, maleic anhydride and phthalic anhydride or multiple combinations；
The release agent is odium stearate, polyethylene glycol, polyethylene wax, viscous silicone fluid, methyl-silicone oil and amino modified silicon
One of oil or multiple combinations；
The filler is one of talcum powder, calcium carbonate, aluminium powder, iron powder, diatomite and montmorillonite or multiple combinations.
5. a kind of method using discarded composite material production structural member according to claim 1, which is characterized in that described
The step of (2) use following methods:
(2-1) bulk mixture is added in hopper, falls in from the polyethylene film passed through below from hopper, and in scraper
Under the action of be coated uniformly on polyethylene film, formed material film；
The one side that (2-2) two material films are coated with bulk mixture is opposite, and glass fibre is cut off short silk before roll-in and is settled
In on a material film, material film-glass fibre is formed by roll-in and cuts off short silk-material membrane structure sandwich mixture；
The further roll-in of sandwich mixture is formed sheet mixture by (2-3).
6. a kind of method using discarded composite material production structural member according to claim 1 or 5, which is characterized in that
The glass fibre cuts off the E- glass or C- glass that short silk is length 5mm~20cm；
The dosage of bulk mixture is 100-500g/m on the material film2；
The dosage that glass fibre cuts off short silk is 100-500g/m2。
7. the system for discarding the method for composite material production structural member using the utilization as described in claim 1~6 is any, special
Sign is that bulk mixture production unit (I), sheet mixture production unit (II) and compression molding including setting gradually are single
First (III)；
The sheet mixture production unit (II) includes,
Horizontal charge film conveying mechanism by the first conveyer belt (13) and the hopper (14) being arranged above the first conveyer belt (13) and is scraped
Knife composition,
Vertical material film conveying mechanism below the second conveyer belt (16) discharge end and is located at the by the second conveyer belt (16), setting
Material film slewing rollers (17) at one conveyer belt (16) discharge end and the hopper (14) being arranged above the second conveyer belt (16) and
Scraper composition, hopper (14) and scraper are set gradually along the direction of transfer of respective belts,
Glass fibre cuts off short silk cutting module, is arranged in the top of the first conveyer belt (13), and is located at scraper and the first transmission
Between the discharge end of band (13),
Pressure roller module (19), setting is on material film slewing rollers (17) direction of transfer.
8. the system according to claim 7 using discarded composite material production structural member, which is characterized in that described scrapes
Knife is by the scraper ontology (151) being erected above respective belts and setting at scraper ontology (151) both ends and backwards to sender
Formed to the baffle (152) of fold, the edge of a knife of the scraper ontology (151) downward, and with place on a moving belt poly-
Gap, the polyethylene film (20) of the baffle (152) bottom and placement on a moving belt are separated between vinyl film (20)
It is in contact.
9. the system according to claim 7 using discarded composite material production structural member, it is characterised in that:
The bottom of the hopper (14) is equipped with feed opening, and the feed opening is slit feed opening, slit feed opening
Length direction is arranged along the width direction of respective belts；
It is glass mat cutting machine (18) that the glass fibre, which cuts off short silk cutting module, and is equipped with slit feed opening,
The length direction of seam feed opening is arranged along the width direction of respective belts.
10. the system according to claim 7 using discarded composite material production structural member, which is characterized in that described
Pressure roller module (19) includes multiple pressure rollers set gradually, is divided into room temperature pressing section, high temperature calendering section and cooling along direction of transfer
The roller temperature of pressing section, the high temperature calendering section is 50 DEG C.
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Cited By (5)
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| CN112172209A (en) * | 2019-07-02 | 2021-01-05 | 约翰斯曼维尔公司 | System for producing chopped roving thermoplastic composite sheets |
| CN112706315A (en) * | 2019-10-25 | 2021-04-27 | 罗兰·施特 | Recovery of rotor blades |
| CN115090647A (en) * | 2022-05-10 | 2022-09-23 | 北京华能长江环保科技研究院有限公司 | Fan blade disposal and utilization system and disposal and utilization method |
| CN115122687A (en) * | 2022-07-29 | 2022-09-30 | 苏州多凯复合材料有限公司 | Flat plate production equipment |
| CN116274288A (en) * | 2023-05-17 | 2023-06-23 | 国能龙源环保有限公司 | Method for recycling waste wind power blades |
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| CN112706315A (en) * | 2019-10-25 | 2021-04-27 | 罗兰·施特 | Recovery of rotor blades |
| CN115090647A (en) * | 2022-05-10 | 2022-09-23 | 北京华能长江环保科技研究院有限公司 | Fan blade disposal and utilization system and disposal and utilization method |
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| CN116274288B (en) * | 2023-05-17 | 2023-08-08 | 国能龙源环保有限公司 | Method for recycling waste wind power blades |
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Application publication date: 20190618 |