CN109809414A - A kind of solar panel cutting waste material recycling processing method - Google Patents
A kind of solar panel cutting waste material recycling processing method Download PDFInfo
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- CN109809414A CN109809414A CN201910225772.8A CN201910225772A CN109809414A CN 109809414 A CN109809414 A CN 109809414A CN 201910225772 A CN201910225772 A CN 201910225772A CN 109809414 A CN109809414 A CN 109809414A
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- China
- Prior art keywords
- waste material
- solar panel
- panel cutting
- cutting waste
- concrete
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- 239000002699 waste material Substances 0.000 title claims abstract description 31
- 238000005520 cutting process Methods 0.000 title claims abstract description 28
- 238000004064 recycling Methods 0.000 title claims abstract description 17
- 238000003672 processing method Methods 0.000 title claims abstract description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000004567 concrete Substances 0.000 claims abstract description 28
- 239000000843 powder Substances 0.000 claims abstract description 19
- 239000002002 slurry Substances 0.000 claims abstract description 18
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 17
- SDGKUVSVPIIUCF-UHFFFAOYSA-N 2,6-dimethylpiperidine Chemical compound CC1CCCC(C)N1 SDGKUVSVPIIUCF-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000001035 drying Methods 0.000 claims abstract description 6
- 238000001914 filtration Methods 0.000 claims abstract description 6
- 239000002798 polar solvent Substances 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 6
- 238000010348 incorporation Methods 0.000 claims description 5
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 230000004913 activation Effects 0.000 claims description 3
- 235000019441 ethanol Nutrition 0.000 claims description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 3
- 230000003213 activating effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000010812 mixed waste Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 11
- 229910052710 silicon Inorganic materials 0.000 abstract description 8
- 239000010703 silicon Substances 0.000 abstract description 8
- 239000004568 cement Substances 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract description 2
- 239000011374 ultra-high-performance concrete Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 10
- 239000012496 blank sample Substances 0.000 description 8
- 239000000523 sample Substances 0.000 description 5
- 239000011863 silicon-based powder Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- VDGJOQCBCPGFFD-UHFFFAOYSA-N oxygen(2-) silicon(4+) titanium(4+) Chemical compound [Si+4].[O-2].[O-2].[Ti+4] VDGJOQCBCPGFFD-UHFFFAOYSA-N 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000002224 dissection Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910001448 ferrous ion Inorganic materials 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011372 high-strength concrete Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- -1 hydrogen Calcium oxide Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 229960001866 silicon dioxide Drugs 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Landscapes
- Silicon Compounds (AREA)
Abstract
The invention discloses a kind of solar panel cutting waste material recycling processing methods, comprising: (1) uniformly mixes solar panel cutting waste material according to the molar ratio of 1:1 ~ 100 with polar solvent, uniform stirring obtains waste material slurry；(2) slurry is statically placed in sample cell, places the slurries being layered；(3) by the slurries filtering drying of layering and powder is pressed into bulk sample；(4) bulk sample is activated at 300 ~ 1000 DEG C, it is extremely cold after taking-up, obtain active nano fine silica powder；(5) active nano fine silica powder is mixed in concrete, prepares concrete product.The present invention carries out recycling treatment to containing scrap silicon, can prepare high-performance active nano fine silica powder, have excellent performance, large specific surface area, particle is uniform, and size is small.It not will cause secondary pollution, have a wide range of application, and is strong with cement adaptability.And the reactive silicon waste material of preparation is spiked into concrete, prepare ultra-high performance concrete.
Description
Technical field
The invention belongs to solid wastes recycling processing technology fields, specifically, making under being related to a kind of heat treatment condition
The preparation method of standby siliceous active concrete admixture.
Background technique
China faces the dual-pressure of fossil resource shortage and environmental protection, this promotes the quick hair of solar photovoltaic industry
Exhibition.But when preparing solar battery, it is necessary to which polycrystal silicon ingot is cut into silicon wafer.Cut the cutting liquid and silicon carbide micro-powder used
During cutting on line, the impurity such as silicon powder, iron and high polymer, partially carbonized silicon powder are inevitably mixed into mortar
Can occur breakage because of dissection, the waste mortar of generation is difficult to continue to use and polysilicon is during being cut, a side
Face needs that strong oxidizer is added, and the metal ion for making " plating " to be attached to silicon face is oxidized to metal, be dissolved in cleaning solution or
It is adsorbed on silicon chip surface；On the other hand, hydrogen peroxide and ferrous ion mixed solution, which have, very strong removes removal organic polluter
Ability.For solar panels cutting waste material as solid waste, cutting liquid will cause the pollution of environment, and superfine powder can also make human body
At injury.
The silicon powder of concrete admixture containing active silica can greatly improve the intensity of cement concrete, mixed
It coagulates and primarily serves two kinds of effects in soil: first, play filling effect in early days in concrete；Second, nano silica and hydrogen
Calcium oxide reaction, forms C-S-H gel, increases concrete strength, especially concrete interface transition region calcium hydroxide mineral
Consumption, reduced interfacial transition zone porosity increase concrete strength.
The active nano fine silica powder of solar panel cutting waste material preparation can be used as and prepare high-strength concrete
One of admixture.Solar panel cutting waste material is prepared into the nanometer titanium dioxide silicon powder of high activity, had both been reduced useless
Expect the pollution to environment and the harm to human body, and efficient concrete admixture can be used as.
Summary of the invention
Object of the present invention is to deficiency existing for the waste disposal technology generated for solar energy industry cutting solar panels
A kind of solar panel cutting waste material recycling processing method provided.This method passes through the processing of innoxious and high-temperature activation
Afterwards, the nanometer titanium dioxide silicon powder for having high activity is prepared, this has actively solar energy industry sustainable and healthy development
Meaning.
The present invention realizes by the following method:
A kind of solar panel cutting waste material recycling processing method, includes the following steps:
(1) solar panel cutting waste material is uniformly mixed with polar solvent according to the molar ratio of 1:1 ~ 100, at 20 ~ 200 DEG C
At a temperature of 0.2 ~ 2h of uniform stirring, mixed waste material slurry；
(2) slurry that step (1) obtains is statically placed in sample cell, placed, the slurries being layered；
(3) by the slurries filtering drying being layered in step (2) and powder is pressed into bulk sample；
(4) bulk sample being obtained in step (3), 0.5 ~ 3h of activation processing is carried out at 300 ~ 1000 DEG C, it is extremely cold after taking-up, it obtains
To active nano fine silica powder；
(5) by active nano fine silica powder obtained in step (4) to make in 0.5% ~ 40% mass ratio incorporation concrete
Standby concrete product.
Preferably, in above-mentioned solar panel cutting waste material recycling processing method, pole described in step (1)
Property solvent be one of water, ethyl alcohol, tetrahydrofuran, chloroform or these types of mixture.
Preferably, in above-mentioned solar panel cutting waste material recycling processing method,
Pressure described in step (3) is 10MPa ~ 50MPa.
Preferably, in above-mentioned solar panel cutting waste material recycling processing method, described in step (4)
Activating treatment temperature is between 300 ~ 1000 DEG C.
Preferably, in above-mentioned solar panel cutting waste material recycling processing method, described in step (4)
Extremely cold is air-cooled or water cooling.
Compared with prior art, the invention has the following beneficial effects:
(1) present invention carries out recycling treatment to containing scrap silicon, can prepare high-performance active nano fine silica powder, makes
Standby high-activity nano fine silica powder not will cause secondary pollution, have a wide range of application, and strong with cement adaptability.And it will system
Standby reactive silicon waste material is spiked into concrete, by suitably matching, prepares ultra-high performance concrete.
(2) high-activity nano fine silica powder prepared by the present invention is had excellent performance, and large specific surface area, particle is uniform, ruler
It is very little small.This has positive meaning to the sustainable and healthy development of solar energy industry.
Detailed description of the invention
Fig. 1 be it is untreated and by water cooling and it is air-cooled after sample XRD spectrum；
High-activity nano silicon-dioxide powdery size distribution that Fig. 2 is that treated.
Specific embodiment
Embodiment 1:
Solar panel cutting waste material is uniformly mixed with water according to the molar ratio of 1:20,1h is stirred at 25 DEG C, is mixed
The solar energy cutting plate waste material slurries of conjunction simultaneously stand 1h, and slurries filtering drying is pressed into the case where pressure is the pressure of 10MPa
Type is activated 0.5h at 800 DEG C, obtains high-activity nano fine silica powder admixture by water cooling, by admixture with
In 7% mass ratio incorporation C30 concrete, 3 days intensity of concrete is 7.0MPa higher than blank sample, and concrete seven day intensity compares blank sample
High 11.0MPa, 28 days intensity of concrete are 15.0MPa lower than blank sample.
Embodiment 2:
Solar battery board waste material is uniformly mixed with ethyl alcohol according to the molar ratio of 1:30,0.5h is stirred at 40 DEG C, is mixed
The solar energy cutting plate waste material slurries of conjunction simultaneously stand 2h, and slurries filtering drying is pressed into the case where pressure is the pressure of 20MPa
Type is activated 2h at 700 DEG C, high-activity nano fine silica powder admixture is obtained by air-cooled, by admixture with 10%
Mass ratio incorporation C35 concrete in, 3 days intensity of concrete is 9.0MPa higher than blank sample, and concrete seven day intensity is higher than blank sample
14.0MPa, 28 days intensity of concrete are 16.0MPa lower than blank sample.
Embodiment 3:
Solar battery board waste material is uniformly mixed with tetrahydrofuran according to the molar ratio of 1:40,1h is stirred at 30 DEG C, obtains
Mixed solar energy cutting plate waste material slurries simultaneously stand 1.5h, by slurries filtering drying in the case where pressure is the pressure of 30MPa, compacting
Molding, be activated 2h at 900 DEG C, obtain high-activity nano fine silica powder admixture by air-cooled, by admixture with
In 18% mass ratio incorporation C40 concrete, 3 days intensity of concrete is 14.0MPa higher than blank sample, and concrete seven day intensity compares blank
The high 16.0MPa of sample, 28 days intensity of concrete are 21.0MPa lower than blank sample.
Claims (5)
1. a kind of solar panel cutting waste material recycling processing method, it is characterised in that include the following steps:
(1) solar panel cutting waste material is uniformly mixed with polar solvent according to the molar ratio of 1:1 ~ 100, at 20 ~ 200 DEG C
At a temperature of 0.2 ~ 2h of uniform stirring, mixed waste material slurry；
(2) slurry that step (1) obtains is statically placed in sample cell, placed, the slurries being layered；
(3) by the slurries filtering drying being layered in step (2) and powder is pressed into bulk sample；
(4) bulk sample being obtained in step (3), 0.5 ~ 3h of activation processing is carried out at 300 ~ 1000 DEG C, it is extremely cold after taking-up, it obtains
To active nano fine silica powder；
(5) by active nano fine silica powder obtained in step (4) to make in 0.5% ~ 40% mass ratio incorporation concrete
Standby concrete product.
2. solar panel cutting waste material recycling processing method as described in claim 1, which is characterized in that step (1)
The polar solvent is one of water, ethyl alcohol, tetrahydrofuran, chloroform or these types of mixture.
3. solar panel cutting waste material recycling processing method as described in claim 1, which is characterized in that
Pressure described in step (3) is 10MPa ~ 50MPa.
4. solar panel cutting waste material recycling processing method as described in claim 1, it is characterised in that in step (4)
The activating treatment temperature is between 300 ~ 1000 DEG C.
5. solar panel cutting waste material recycling processing method as described in claim 1, it is characterised in that in step (4)
Described is extremely cold for air-cooled or water cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910225772.8A CN109809414A (en) | 2019-03-25 | 2019-03-25 | A kind of solar panel cutting waste material recycling processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910225772.8A CN109809414A (en) | 2019-03-25 | 2019-03-25 | A kind of solar panel cutting waste material recycling processing method |
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| Publication Number | Publication Date |
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| CN109809414A true CN109809414A (en) | 2019-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910225772.8A Pending CN109809414A (en) | 2019-03-25 | 2019-03-25 | A kind of solar panel cutting waste material recycling processing method |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110981401A (en) * | 2019-12-16 | 2020-04-10 | 河北工程大学 | Method for preparing high-performance concrete by using gneiss waste rocks and waste photovoltaic panels |
| CN111072331A (en) * | 2019-12-16 | 2020-04-28 | 河北工程大学 | Method for preparing concrete by using gneiss tailings and waste photovoltaic panels |
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Application publication date: 20190528 |