CN105859212B - A kind of resource utilization method and thermal insulation material of polysilicon waste residue - Google Patents
A kind of resource utilization method and thermal insulation material of polysilicon waste residue Download PDFInfo
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- CN105859212B CN105859212B CN201610186146.9A CN201610186146A CN105859212B CN 105859212 B CN105859212 B CN 105859212B CN 201610186146 A CN201610186146 A CN 201610186146A CN 105859212 B CN105859212 B CN 105859212B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The present invention provides a kind of resource utilization methods of polysilicon waste residue, include the following steps：Diluent is added into solidification bulk composition, polysilicon waste residue, light filling object, foaming agent are added after being sufficiently mixed, is dispersed with stirring that the mixed material uniformly stirred to get is cured to obtain thermal insulation material, above-mentioned each raw material is by the proportioning mixing of following mass percentage：Polysilicon waste residue 40 70%；Cure bulk composition 7 40%；Diluent 5 40%；Light filling object 0 10%；Foaming agent 0 5%；The gross mass percentage composition of above-mentioned each raw material component is 100%, wherein the average grain diameter of polysilicon waste residue is 10 16 μm, includes 40 60% SiO2, 10 15% NaCl, 0.5% 1% CaCl2And moisture；Cure the mixture that bulk composition is epoxy resin and curing agent, or is portland cement.The resource utilization method can not only dissolve a large amount of polysilicon waste residue, but also can obtain the thermal insulation material of low cost.The present invention also provides the thermal insulation materials that this method obtains.
Description
Technical field
The present invention relates to waste residue resources to utilize technical field, more particularly to a kind of recycling of polysilicon waste residue
Method and thermal insulation material.
Background technology
85% or more modern photovoltaic industry is to be based on crystal silicon chip solar cell, and wherein more than half is to be based on polysilicon chip
Solar cell.Along with the mass production demand to polysilicon, also larger amount of polysilicon waste residue is produced simultaneously.
Polysilicon waste residue be polycrystalline silicon production system sewage disposal process in a kind of industrial solid for being obtained by filtration it is discarded
Object, main component are SiO2.It is at present landfill and stacking to the main methods of polysilicon waste residue.The heap of polysilicon waste residue
Land occupation is put, the environment such as soil, the underground water on periphery are seriously endangered, the increasing with Environmental protection and citizen
The enhancing of environmental consciousness, stacks and the processing mode of landfill has obviously been unsatisfactory for social development and needs.At present there has been no
Effect handles the mode of the waste on a large scale, therefore, it is necessary to which recycling can be carried out to polysilicon waste residue by providing one kind
Method improve economy, environmental and social benefits to promote the development of polysilicon industry.
Invention content
In view of this, an embodiment of the present invention provides a kind of resource utilization method of polysilicon waste residue, it is existing to solve
The problem of cannot being made full use of to polysilicon waste residue in technology, the present invention can produce low cost, high value-added product, tool
There are significant economy, environmental and social benefits.
In a first aspect, an embodiment of the present invention provides a kind of resource utilization method of polysilicon waste residue, including following step
Suddenly：
Solidification bulk composition is taken, diluent is added into the solidification bulk composition, polysilicon is added after being sufficiently mixed
Waste residue, light filling object, foaming agent are dispersed with stirring and uniformly obtain mixed material, and the mixed material is cured to obtain thermal insulating material
Material, above-mentioned thermal insulation material includes each raw material of following mass percentage：
The gross mass percentage composition of above-mentioned each raw material component is 100%, wherein the average grain diameter of the polysilicon waste residue is
10-16 μm, the polysilicon waste residue includes the SiO of 40-60%2, 10-15% NaCl, 0.5%-1% CaCl2And moisture,
The solidification bulk composition is the mixture of epoxy resin and curing agent, or is portland cement.
The synergistic effect for the various raw materials that the present invention is matched by above-mentioned extra fine quality, the thermal insulation material of acquisition have both height and lead
Heat and high stability, and the insulating product of different application occasion can be obtained by the adding proportion of adjusting each component.
Preferably, the portland cement cement includes pure clinker aggregate portland cement, Portland cement, slag silicate
It is one or more in salt cement, Portland pozzolana cement, Portland fly ash cement and composite Portland cement, these
It is the hydraulic cementing materials of construction industry routine.
Heretofore described polysilicon waste residue comes from the sewage disposal process of production of polysilicon process and is obtained by filtration.
The polysilicon waste residue is to be neutralized the waste liquid of production of polysilicon process, after flocculation reaction, then pass through press filtration
Machine is dehydrated to obtain, wherein the waste liquid of the production of polysilicon process includes that the chlorosilane waste liquid of production of polysilicon process generation exists
The reaction solution containing metasilicic acid obtained through aquation in chilling reactor further includes waste water from fluidized bed processes, comes
Autoreduction bell jar ejected wash water and vent gas treatment waste water.
Chlorosilane waste liquid from each production process of polysilicon, reacts in chilling reactor with water, obtains containing inclined silicon
The reaction solution of acid, and it is transported to main technology processing system.
The main technology processing system waste water that mainly each technique of the full factory of collection/processing is discharged, including come from chilling waste liquid
The waste liquid (containing metasilicic acid, HCl etc.) of reason system, in addition, waste water/waste liquid from fluidized bed processes, carrys out autoreduction clock
Cover ejected wash water, vent gas treatment waste water are also handled by dispatch to main technology processing system together.Main technology processing system is main
Be the above waste liquid is neutralized, flocculation reaction, then be dehydrated by filter press to obtain solid waste, i.e. polysilicon waste residue.
Wherein, chlorosilane waste liquid generates the chemical substances such as metasilicic acid, hydrogen chloride and hydrogen, hydrogen chloride in chilling reactor
Gas and hydrogen are washed to scrubbing tower, and the reaction solution containing metasilicic acid obtained in chilling reactor is sent to main technique system
System is for further processing.Chlorosilane waste liquid is treated Cheng Zhonghui in chilling reactor and following chemical reaction occurs：
SiHCl3+3H2O=H2SiO3+3HCl+H2↑
SiH2Cl2+3H2O=H2SiO3+2HCl+2H2↑
SiCl4+2H2O=SiO2+4HCl
Intermediate product metasilicic acid, hydrogen chloride can continue to react with sodium hydroxide in main technology processing system：
H2SiO3+ 2NaOH=Na2SiO3+H2O
NaOH+HCl=NaCl+H2O。
Wherein, for the main technology processing system mainly by setting target ph, control automatic gauge valve adds acid or alkali,
Low-speed agitator is uniform material stirring, between pH value is adjusted to 8-9, flocculant is then added and starts to flocculate, waste water passes through
Filter press is dehydrated, up to polysilicon waste residue after removing moisture.Wherein, main process system chemical reaction is as follows：
Na2SiO3+H2SO4=Na2SO4+SiO2↓+H2O。
The polysilicon waste residue is creamy white, nontoxic, corrosion-free, "dead" substance, and particle is fine and smooth, and granularity is smaller,
Its main component is SiO2, the polysilicon waste residue includes the SiO of 40-60%2, 10-15% NaCl, 0.5%-1%
CaCl2And moisture, the waste residue is with good stability and lower thermal conductivity (about 0.005W/km), adds conduct
In the raw material of thermal insulation material, the thermal conductivity of thermal insulation material can be reduced, the entirety for improving thermal insulation material is heat-insulated, heat-insulating property；It is described
Polysilicon waste residue can be with the solid body ingredient (mixture of epoxy resin and curing agent or be used on building materials market
Portland cement) after mixing, the mixed material that stirs to get can be obtained through normal temperature cure with good heat preservation, heat insulation
Thermal insulation material, and industrial pipeline is can be widely used for, the heat preservation of mechanical equipment, construction industry etc..Both high outsourcing had been saved to protect
Adiabator, while the traffic expense of waste residue outward transport is also saved, realize the rational utilization of resource.
In the present invention, the mixed material stirred to get can directly construct, and can also pour into mixed material in mold,
After green body solidifying and setting, then drying is demoulded, is applied to the occasion needed using thermal insulation material.
Preferably, the solid body ingredient is portland cement, and the diluent is water.At this point, diluent water is preferred
The mass percentage for accounting for the sum of each raw material of thermal insulation material is 30-40%.
Preferably, when the solid body ingredient is the mixture of epoxy resin and curing agent, the diluent includes two
It is one or more in toluene, toluene, acetone and banana oil.At this point, diluent preferably accounts for the sum of each raw material of thermal insulation material
Mass percentage is 10-25%.
Preferably, the light filling object includes waste and old graphite felt, foam grain, waste foam glass, cotton fiber
With it is one or more in carbon fiber.Waste and old pipe-line equipment appearance thermal insulation material, the foamed plastics of recycling can be used in foam glass
Used foamed plastics (foam in such as packing box) can be used in particle, and waste foam glass, waste cotton fiber, waste and old carbon fiber can
To be derived from the pipe insulation of recycling and discarded, the shabby material of insulation of equipment.The intensity of thermal insulation material and solidification used
The dosage of bulk composition is related, and the dosage for curing bulk composition is higher, and the intensity of thermal insulation material is bigger, when the original in thermal insulation material
When light filling object being added in material, it can also mitigate the weight of shaped heat insulation material under the premise of meeting the strength of materials, make
The thermal insulation material lightweight.
It is highly preferred that the grain size of the light filling object is 0.5-2cm.
Preferably, the foaming agent is surfactant-based foaming agent, including rosin soap foaming agent, dodecyl sulphate
One kind in sodium (K12) foaming agent and sodium sulfate of polyethenoxy ether of fatty alcohol (AES) foaming agent and animal/vegetable protein class foaming agent
Or it is a variety of, but not limited to this.
Preferably, the mass percentage of the portland cement is 20-25%, the quality percentage of the polysilicon waste residue
Content is 40-60%.
It is highly preferred that the thermal insulation material is made of each raw material of following mass percentage：
Polysilicon waste residue 40-60%；
Portland cement 20-25%；
Diluent 15-40%.
At this point, the thermal insulation material is applied to object (such as high pressure-temperature reactor, the conveying of the occasion of advantages of higher compressive strength
The pipeline etc. of high temperature and pressure substance) heat preservation, do not add foaming agent generally.It is further preferred that the quality hundred of the diluent
It is 30-35% to divide content.
Preferably, the mass percentage of the portland cement is 12-20%, the quality percentage of the polysilicon waste residue
Content is 45-65%.
It is highly preferred that the thermal insulation material is made of each raw material of following mass percentage：
Polysilicon waste residue 45-65%；
Portland cement 12-20%；
Diluent 15-40%；
Foaming agent 0-5%.At this point, the thermal insulation material is more suitable for the heat preservation of construction industry surface of wall.Wall
The adhesive force of the thermal insulation material in body surface face and the requirement of intensity are generally greater than the requirement at the positions such as industrial pipeline, therefore silicate cement
The content outline of mud is higher than requirements for pipes, will not generally add light filling object, can be properly added foaming agent.Further preferably
The mass percentage on ground, the diluent is 30-35%.
Preferably, the mass percentage of the portland cement is 7-15%, the quality percentage of the polysilicon waste residue
Content is 45-70%.
It is highly preferred that the thermal insulation material is made of each raw material of following mass percentage：
Polysilicon waste residue 45-70%；
Portland cement 7-15%；
Diluent 15-40%；
Light filling object 0-10%；
Foaming agent 0-5%.At this point, the thermal insulation material is more suitable for the outer of the mechanical equipments such as pipeline, tank body
Table is kept the temperature.It is properly added light filling object, can also mitigate the weight of shaped heat insulation material under the premise of meeting the strength of materials
Amount.It is further preferred that the mass percentage of the diluent is 30-35%.
In the present invention, when the mixture using epoxy resin and curing agent is as solidification bulk composition, kept the temperature preparing
During material, first epoxy resin can be diluted with diluent, be added curing agent later, then by obtained mixture with it is more
Crystal silicon waste residue, other auxiliary elements (light filling object, foaming agent) mix.It can make each raw material of thermal insulation material in this way
More fully mix.
Preferably, the epoxy resin accounts for the 50-70% of the solidification bulk composition.
Preferably, the curing agent accounts for the 30-50% of the solidification bulk composition.
Preferably, the mass ratio of the epoxy resin and the curing agent is 1：(0.5-1).
Preferably, the thermal insulation material includes each raw material of following mass percentage：
The gross mass percentage composition of above-mentioned each raw material component is 100%.
Preferably, the curing agent can be aromatic polyamine class, amino resins class, amide groups amine.The curing agent
Main component may be dibutyl phthalate.Certainly, other achievable cured curing agent of thermal insulation material of the present invention
It is also suitable the present invention.
Preferably, the speed of the stirring is 40-120r/min, and the process that is dispersed with stirring can be completed in three-roller.
Preferably, the cured time is 3-7 days.Specifically, hardening time can be according to the thermal insulation material made in advance
Depending on thickness.
The resource utilization method that first aspect of the embodiment of the present invention provides, utilizes the low spy of polysilicon waste residue thermal coefficient
It is combined with solidification host component, and adjusts the adding proportion of each component by point, obtains the heat preservation production of different application occasion
Product, such as industrial (industrial pipeline, mechanical equipment), construction industry (roof, wall).The recycling of polysilicon waste residue provided by the invention
It is simple for process using method, a large amount of polysilicon waste residue can have both been dissolved, has mitigated the pollution to soil and environment, and can obtain
To the high value added product of low cost, there are significant economy, environmental and social benefits, be that a kind of recycling polysilicon is useless
Slag and the new way of product high price value.
Second aspect, an embodiment of the present invention provides the recyclings of the polysilicon waste residue using first aspect present invention
The obtained thermal insulation material of method.
Above-mentioned thermal insulation material provided in an embodiment of the present invention is provided simultaneously with lower thermal coefficient (about 0.005-
0.01W/k.m) and good stability, resistance to acid and alkali, resistance to 1500 DEG C of high temperature can be widely applied to construction industry, industrial pipeline, machine
The heat preservation of the base material in the fields such as tool equipment.Thus new direction is provided for the recycling of entire polysilicon industry.
The advantages of embodiment of the present invention, will partly illustrate in the following description, a part according to specification be it is aobvious and
Be clear to, or can be through the embodiment of the present invention implementation and know.
Specific implementation mode
As described below is the preferred embodiment of the embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, under the premise of not departing from principle of the embodiment of the present invention, several improvements and modifications can also be made, these improvement
The protection domain of the embodiment of the present invention is also considered as with retouching.
Divide multiple embodiments that the embodiment of the present invention is further detailed below.Wherein, the embodiment of the present invention is unlimited
Due to specific embodiment below.In the range of constant principal right, implementation appropriate can be changed.
Polysilicon waste residue used in the embodiment of the present invention using BT-9300ST type laser particle analyzer analysis systems through being surveyed
, the median (that is, average grain diameter) of the polysilicon waste residue is 13.57 μm, and the volume of the polysilicon waste residue is averaged grain
Diameter is 15.86 μm, and area average particle diameter is 9.45 μm.
Embodiment one
A kind of resource utilization method of polysilicon waste residue, includes the following steps：
Portland cement is taken, is diluted with water, adds polysilicon waste residue after being sufficiently mixed again, is dispersed with stirring with 40r/min
Even, the mixed material stirred to get obtains thermal insulation material for cured 7 days, and above-mentioned each raw material is mixed by following mass percentage proportioning
It closes：Polysilicon waste residue 40%；Portland cement：25%；Water 35%.
In the present embodiment, the portland cement is specially Portland pozzolana cement.
Embodiment two
A kind of resource utilization method of polysilicon waste residue, includes the following steps：
Portland cement is taken, is diluted with water, polysilicon waste residue, foaming agent is added after being sufficiently mixed again, is stirred with 60r/min
It mixes and is uniformly dispersed, the mixed material stirred to get is coated on wall, thermal insulation material is obtained after normal temperature cure, above-mentioned each raw material is pressed
Following mass percentage proportioning mixing：Polysilicon waste residue 53%；Portland cement：12%；Water 30%；Foaming agent：5%.
In the present embodiment, foaming agent is rosin soap, and the portland cement is specially Portland fly ash cement.
After tested, the thermal conductivity of thermal insulation material made from the present embodiment is 0.006W/Km, and gained thermal insulation material is to wall
Adhesive force be level-one.
Embodiment three
A kind of resource utilization method of polysilicon waste residue, includes the following steps：
Portland cement is taken, is diluted with water, polysilicon waste residue, foaming agent is added after being sufficiently mixed again, is stirred with 70r/min
It is uniformly dispersed, the mixed material stirred to get is coated on wall, thermal insulation material is obtained after normal temperature cure, above-mentioned each raw material is by such as
Lower mass percentage proportioning mixing：Polysilicon waste residue 45%；Portland cement：20%；Water 33%；Foaming agent：2%.
In the present embodiment, foaming agent is lauryl sodium sulfate, and the portland cement is specially composite Portland cement.
Example IV
A kind of resource utilization method of polysilicon waste residue, includes the following steps：
Portland cement is taken, is diluted with water, adds polysilicon waste residue, light filling object, foaming agent after being sufficiently mixed again, with
80r/min, which is dispersed with stirring the mixed material uniformly stirred to get and stirs, to be poured into mold, after green body solidifying and setting, then is demoulded dry
It is dry, thermal insulation material is obtained, above-mentioned each raw material is by the proportioning mixing of following mass percentage：Polysilicon waste residue 45%；Silicate cement
Mud：15%；Water 30%；Light filling object：5%；Foaming agent：5%.
In the present embodiment, foaming agent is lauryl sodium sulfate, and light filling object is waste and old graphite felt, foam glass,
Grain size is 1cm, and the portland cement is specially Portland cement.
Thermal insulation material made from the present embodiment can be used as the heat preservation of pipeline, tank body.
Thermal insulation material made from example IV is carried out under the oxy arc close to 3000 DEG C to high-temperature roasting in 10 minutes, table
The SiO in face2There is a small amount of melt to generate struvite；After removing oxy arc, the results show that the temperature of the one side of contact oxy arc
Degree has reached 1500 DEG C, and tester manually contacts that face of non-contact oxy arc, almost without burning heat sensation is felt, warp
Test, the temperature on the surface is only 31 DEG C.It is higher that this absolutely proves that thermal insulation material made from the embodiment of the present invention can be subjected to
Temperature (can be less than 1000 DEG C, about 50-500 DEG C or so) very under the industrial pipeline of routine, the working environment of tank body completely
Its heat insulation function is played well.
Embodiment five
A kind of resource utilization method of polysilicon waste residue, includes the following steps：
Portland cement is taken, is diluted with water, polysilicon waste residue, light filling object are added after being sufficiently mixed again, with 100r/
Min, which is dispersed with stirring the mixed material uniformly stirred to get and stirs, to be poured into mold, after green body solidifying and setting, then is demoulded drying, is obtained
To thermal insulation material, above-mentioned each raw material is by the proportioning mixing of following mass percentage：Polysilicon waste residue 50%；Portland cement：
7%；Water 35%；Light filling object：8%.
In the present embodiment, light filling object is that foam grain (is derive specifically from the waste and old bubble in company's packing box
Foam), grain size 0.5cm, the portland cement is specially pure clinker aggregate portland cement.
Embodiment six
A kind of resource utilization method of polysilicon waste residue, includes the following steps：
Portland cement is taken, is diluted with water, polysilicon waste residue, foaming agent is added after being sufficiently mixed again, is stirred with 50r/min
It mixes and is uniformly dispersed, the mixed material stirred to get, which stirs, to be poured into mold, after green body solidifying and setting, then is demoulded drying, is protected
Adiabator, above-mentioned each raw material is by the proportioning mixing of following mass percentage：Polysilicon waste residue 50%；Portland cement：10%；Water
35%；Foaming agent：5%.
In the present embodiment, foaming agent is lauryl sodium sulfate.
Embodiment seven
A kind of resource utilization method of polysilicon waste residue, includes the following steps：
By epoxy resin dilution dilution agent, and curing agent is added, quickly mixes, and polysilicon waste residue is added, and light
Matter filler is dispersed with stirring the mixed material uniformly stirred to get with 90r/min and pours into mold, after green body solidifying and setting,
Drying is demoulded again, obtains thermal insulation material, above-mentioned each raw material is by the proportioning mixing of following mass percentage：Polysilicon waste residue 50%；
Epoxy resin 15%, curing agent 15%, diluent 15%；Light filling object：5%.
In the present embodiment, the light filling object is foam grain, grain size 0.5cm；Diluent is banana oil；
The mass ratio of epoxy resin and the curing agent is 1：1.
Embodiment eight
A kind of resource utilization method of polysilicon waste residue, includes the following steps：
By epoxy resin dilution dilution agent, and curing agent is added, quickly mixes, and polysilicon waste residue is added, and light
Matter filler is dispersed with stirring the mixed material uniformly stirred to get with 120r/min and pours into mold, waits for green body solidifying and setting
Afterwards, then drying is demoulded, obtains thermal insulation material, above-mentioned each raw material is by the proportioning mixing of following mass percentage：Polysilicon waste residue
65%；Epoxy resin 10%, curing agent 5%, diluent 10%；Light filling object：10%.
In the present embodiment, the light filling object is waste and old graphite felt or foam glass, grain size 1cm；Diluent is
Toluene；The mass ratio of epoxy resin and the curing agent is 2：1.
Embodiment nine
A kind of resource utilization method of polysilicon waste residue, includes the following steps：
By epoxy resin dilution dilution agent, and curing agent is added, quickly mixes, and polysilicon waste residue is added, with 60r/
Min is dispersed with stirring the mixed material uniformly stirred to get and pours into mold, after green body solidifying and setting, then demoulds drying, obtains
Thermal insulation material, above-mentioned each raw material is by the proportioning mixing of following mass percentage：Polysilicon waste residue 55%；Epoxy resin 20%, Gu
Agent 15%, diluent 10%.
In the present embodiment, the diluent is dimethylbenzene；The mass ratio of epoxy resin and the curing agent is 1： 0.75.
After testing, the thermal coefficient of thermal insulation material obtained by the above embodiment of the present invention can reach 0.005-0.01W/k.m,
It is resistant to 1500 DEG C of high temperature, compression strength 5MPa.
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and is wanted according to right of the present invention
Equivalent variations made by asking, still belong to the scope covered by the invention.
Claims (10)
1. a kind of resource utilization method of polysilicon waste residue, which is characterized in that include the following steps：
Take solidification bulk composition, diluent be added into the solidification bulk composition, added after being sufficiently mixed polysilicon waste residue,
Light filling object, foaming agent are dispersed with stirring and uniformly obtain mixed material, and the mixed material is cured to obtain thermal insulation material, on
State each raw material that thermal insulation material includes following mass percentage：
Polysilicon waste residue 40-70%；
Cure bulk composition 7-40%；
Diluent 5-40%；
Light filling object 0-10%；
Foaming agent 0-5%；
The gross mass percentage composition of above-mentioned each raw material component is 100%, wherein the polysilicon waste residue is by production of polysilicon work
The waste liquid of sequence is neutralized, after flocculation reaction, then is dehydrated to obtain by filter press；The average grain diameter of the polysilicon waste residue is
10-16 μm, the polysilicon waste residue includes the SiO of 40-60%2, 10-15% NaCl, 0.5%-1% CaCl2And moisture；
The solidification bulk composition is the mixture of epoxy resin and curing agent, or is portland cement；
The thermal coefficient 0.005-0.01W/k.m of the thermal insulation material.
2. resource utilization method as described in claim 1, which is characterized in that the waste liquid of the production of polysilicon process includes
The reaction solution containing metasilicic acid that the chlorosilane waste liquid that production of polysilicon process generates obtains in chilling reactor through aquation, also
Include waste water from fluidized bed processes, come autoreduction bell jar ejected wash water and vent gas treatment waste water.
3. resource utilization method as described in claim 1, which is characterized in that the light filling object includes waste and old graphite
One or more in felt, foam grain, waste foam glass, cotton fiber and carbon fiber, the foaming agent includes rosin
Soaps foaming agent, lauryl sodium sulfate foaming agent and sodium sulfate of polyethenoxy ether of fatty alcohol foaming agent and animal/vegetable protein class hair
It is one or more in infusion.
4. resource utilization method as described in claim 1, which is characterized in that the mass percentage of the portland cement
Mass percentage for 20-25%, the polysilicon waste residue is 40-60%.
5. resource utilization method as described in claim 1, which is characterized in that the mass percentage of the portland cement
Mass percentage for 12-20%, the polysilicon waste residue is 45-65%.
6. resource utilization method as described in claim 1, which is characterized in that the mass percentage of the portland cement
Mass percentage for 7-15%, the polysilicon waste residue is 45-70%.
7. resource utilization method as described in claim 1, which is characterized in that the thermal insulation material includes following quality percentage
Each raw material of content：
Polysilicon waste residue 40-70%；
Epoxy resin 10-20%；
Curing agent 5-15%；
Diluent 5-25%；
Light filling object 0-10%；
The gross mass percentage composition of above-mentioned each raw material component is 100%.
8. such as claim 1-7 any one of them resource utilization methods, which is characterized in that when the solidification bulk composition is
When portland cement, the diluent is water；When the solidification bulk composition is the mixture of epoxy resin and curing agent, institute
It includes one or more in dimethylbenzene, toluene, acetone and banana oil to state diluent.
9. resource utilization method as described in claim 1, which is characterized in that the epoxy resin account for the solidification main body at
The 50-70% divided.
10. the thermal insulation material obtained such as claim 1-9 any one of them resource utilization methods.
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| CN102515639A (en) * | 2011-11-30 | 2012-06-27 | 四川瑞能硅材料有限公司 | Baking-free brick and method for utilizing silicon sludge formed in polycrystalline silicon production to manufacture baking-free brick |
| CN103304176A (en) * | 2013-03-17 | 2013-09-18 | 尹克胜 | Foaming agent for air foamed wall material of coal ash |
| CN103819149A (en) * | 2014-02-28 | 2014-05-28 | 河南理工大学 | Non-burnt brick prepared from mono/polycrystalline silicon cutting wastes as main raw material |
| CN105152435A (en) * | 2015-07-06 | 2015-12-16 | 江苏德邦工程有限公司 | Zero discharge industrial wastewater treatment method |
-
2016
- 2016-03-29 CN CN201610186146.9A patent/CN105859212B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2252924C2 (en) * | 2003-06-30 | 2005-05-27 | Государственное образовательное учреждение высшего профессионального образования "Братский государственный технический университет" | Foam maker for production of heat-insulating items |
| CN102515639A (en) * | 2011-11-30 | 2012-06-27 | 四川瑞能硅材料有限公司 | Baking-free brick and method for utilizing silicon sludge formed in polycrystalline silicon production to manufacture baking-free brick |
| CN103304176A (en) * | 2013-03-17 | 2013-09-18 | 尹克胜 | Foaming agent for air foamed wall material of coal ash |
| CN103819149A (en) * | 2014-02-28 | 2014-05-28 | 河南理工大学 | Non-burnt brick prepared from mono/polycrystalline silicon cutting wastes as main raw material |
| CN105152435A (en) * | 2015-07-06 | 2015-12-16 | 江苏德邦工程有限公司 | Zero discharge industrial wastewater treatment method |
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| CN105859212A (en) | 2016-08-17 |
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