CN111116072A - Recovery processing method of waste artificial stone powder - Google Patents
Recovery processing method of waste artificial stone powder Download PDFInfo
- Publication number
- CN111116072A CN111116072A CN201911385272.7A CN201911385272A CN111116072A CN 111116072 A CN111116072 A CN 111116072A CN 201911385272 A CN201911385272 A CN 201911385272A CN 111116072 A CN111116072 A CN 111116072A
- Authority
- CN
- China
- Prior art keywords
- artificial stone
- waste powder
- coupling agent
- recycling
- powder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/023—Chemical treatment
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/18—Polyesters; Polycarbonates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/54—Substitutes for natural stone, artistic materials or the like
- C04B2111/542—Artificial natural stone
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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 invention provides a method for recycling artificial stone waste powder, which is characterized in that the artificial stone waste powder is subjected to treatment for reducing the oil absorption rate by using a coupling agent, and then the treated artificial stone waste powder is used for producing an artificial stone product, wherein the coupling agent is a titanate coupling agent or an aluminate coupling agent or a silane coupling agent. The method can obviously reduce the oil absorption rate of the surface of the waste powder of the artificial stone, improve the surface activity of the powder, realize the recycling of the artificial stone powder, reduce the resource waste and the environmental pollution and save the enterprise cost. The treated artificial stone powder is used for producing solid plane materiel, and the addition amount of the artificial stone powder as a filler can reach 70%.
Description
Technical Field
The invention belongs to the technical field of waste treatment and recycling of waste powder of artificial stone, and particularly relates to a method for recycling waste powder of artificial stone.
Background
In the production of the artificial stone, the front and back surfaces are required to be polished, 8-10% of polishing waste powder can be generated, generally, the front surface is polished by 0.8-1.2mm, the back surface is polished by 0.6-0.8mm, the particle size of the waste powder formed by polishing is 100 meshes per month, 40 ten thousand artificial stone plates are produced every year, and the recovered waste powder reaches about 3000 tons.
Because the waste powder can not be directly used as a filler, the waste powder is often treated as solid waste, and a large amount of resources are wasted. Through research on the artificial stone waste powder, the reason that the waste powder cannot be directly utilized is analyzed and known to be that the waste powder has the characteristic of high oil absorption rate, if the waste powder is directly added and utilized, the highest weight ratio of the waste powder which can be added and applied is only 5%, and if the weight ratio is higher than 5%, the viscosity is too high, the flowability is poor, and the requirement of pouring cannot be met.
Therefore, in order to solve the problem, the artificial stone waste powder is normally applied without causing waste, and the oil absorption rate of the artificial stone waste powder can be reduced by treating the surface of the waste powder to a certain degree.
Disclosure of Invention
In view of the above, the invention aims to provide a method for recycling waste powder of artificial stone, which solves the problem that in the prior art, because the waste powder of artificial stone has high oil absorption rate, the addition amount is limited when the waste powder is used as a filler for manufacturing an artificial stone solid plane material, and can improve the addition rate to 70%.
In order to solve the technical problems, the invention adopts the following technical scheme:
the method for recycling the artificial stone waste powder comprises the steps of carrying out treatment for reducing the oil absorption rate of the artificial stone waste powder by using a coupling agent, and then using the treated artificial stone waste powder for producing an artificial stone product, wherein the coupling agent is a titanate coupling agent or an aluminate coupling agent or a silane coupling agent.
Further, the titanate coupling agent is isopropyl dioleate acyloxy (dioctyl phosphate acyloxy) titanate, isopropyl triisostearate titanate, tetraisopropyl di (dioctyl phosphite acyloxy) titanate, and the like.
The aluminate coupling agent is distearoyl isopropoxy aluminate.
The silane coupling agent is vinyl triethoxysilane, vinyl trimethoxysilane, vinyl tri (β -methoxyethoxy) silane, methacryloxypropyl trimethoxysilane, and the like.
Further, the coupling agent is added into the waste artificial stone powder in a spray mode and is uniformly mixed with the powder.
The processing method for reducing the oil absorption rate of the waste artificial stone powder comprises the steps of preparing 93-99% of waste artificial stone powder, 0.5-3.5% of coupling agent and 0.5-3.5% of MMA for standby, putting the waste artificial stone powder into a mixing kettle, uniformly mixing the coupling agent and the MMA, spraying mixed liquid of the coupling agent and the MMA in a spraying mode and stirring after the temperature of the waste artificial stone powder is raised to 60-70 ℃, wherein the stirring speed is 1500 + 2000 rpm, and continuing stirring at a high speed for 20-30 minutes after the spraying of the mixed liquid is finished.
The method for producing the artificial stone product by using the treated artificial stone waste powder comprises the steps of adding 28-32% of o-benzene type unsaturated polyester resin, 67-71% of the treated artificial stone waste powder and 0.5-1% of curing agent into a kneader and kneading for 10-15 minutes to prepare a dough; then the bulk material is put into a die and put into a molding press, the tooth grinding temperature is set to be 120 & lt, 130 & gt DEG & gt, and the pressure is 25 kg/cm2Heating and curing for 5-10 minutes to obtain the artificial stone plate with the thickness of 6mm, namely completing the recycling of the waste powder of the artificial stone.
The curing agent is tert-butyl perbenzoate.
The phthalic unsaturated polyester resin is phthalic unsaturated polyester resin.
Compared with the prior art, the invention has the following beneficial effects:
the method can obviously reduce the oil absorption rate of the surface of the waste powder of the artificial stone, improve the surface activity of the powder, realize the recycling of the artificial stone powder, reduce the resource waste and the environmental pollution and save the enterprise cost.
The treated artificial stone powder is used for producing solid plane materiel, and can reach 70% of addition amount as filler, thereby reducing resource waste and saving cost.
Detailed Description
In order that those skilled in the art will more clearly and intuitively understand the present invention, the present invention will be further described below.
Example 1
Process for treating waste powder of artificial stone
93-99% of waste artificial stone powder, 0.5-3.5% of coupling agent and 0.5-3.5% of MMA (methyl methacrylate) are reserved, the waste artificial stone powder is put into a mixing kettle, the coupling agent and the MMA are uniformly mixed, after the temperature of the waste artificial stone powder is raised to 60-70 ℃, the mixed solution of the coupling agent and the MMA is sprayed in a spraying manner and is stirred, the stirring speed is 1500-2000 rpm, and after the spraying of the mixed solution is finished, the high-speed stirring is continued for 20-30 minutes.
The total amount of the artificial stone waste powder, the coupling agent and MMA is 100%, and the coupling agent can be freely selected from titanate coupling agents (isopropyl dioleate acyloxy (dioctyl phosphate acyloxy) titanate, isopropyl triisostearate titanate, tetraisopropyl di (dioctyl phosphite acyloxy) titanate), aluminate coupling agents (distearoyl oxy isopropoxy aluminate), silane coupling agents (vinyl triethoxysilane, vinyl trimethoxysilane, vinyl tri (β -methoxyethoxy) silane and methacryloxypropyl trimethoxysilane).
Example 2
The treated waste powder of the artificial stone is used for preparing artificial stone products
Adding 28-32% of phthalic acid type unsaturated polyester resin, 67-71% of treated artificial stone waste powder and 0.5-1% of tert-butyl perbenzoate into a kneader and kneading for 10-15 minutes to prepare a dough material; then the bulk material is put into a die and put into a molding press, the tooth grinding temperature is set to be 120 & lt, 130 & gt DEG & gt, and the pressure is 25 kg/cm2Heating and curing for 5-10 minutes to obtain the artificial stone plate with the thickness of 6mm, namely completing the recycling of the waste powder of the artificial stone.
Wherein the total amount of phthalic acid type unsaturated polyester resin, treated artificial stone waste powder and tert-butyl perbenzoate is 100%.
3000 tons of waste powder are ground one year, 5 ten thousand square meters of the produced moulded artificial stone sheet product can reach 6000 thousand, and the waste powder and garbage cleaning cost can be saved by 90 ten thousand yuan. Therefore, the invention has great economic benefits for related enterprises.
The embodiments described above are presented to enable those skilled in the art to make and use the invention. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the embodiments described herein, and those skilled in the art should make improvements and modifications to the present invention based on the disclosure of the present invention within the protection scope of the present invention.
Claims (9)
1. The method for recycling the artificial stone waste powder is characterized in that the artificial stone waste powder is subjected to treatment for reducing the oil absorption rate by using a coupling agent, and then the treated artificial stone waste powder is used for producing an artificial stone product, wherein the coupling agent is a titanate coupling agent or an aluminate coupling agent or a silane coupling agent.
2. The method for recycling artificial stone waste powder according to claim 1, wherein the titanate coupling agent is isopropyl dioleate acyloxy (dioctyl phosphate acyloxy) titanate, isopropyl triisostearate titanate, tetraisopropyl bis (dioctyl phosphite acyloxy) titanate.
3. The method for recycling artificial stone waste powder according to claim 1, wherein the aluminate coupling agent is distearoyl isopropoxy aluminate.
4. The method for recycling artificial stone waste powder according to claim 1, wherein the silane coupling agent is vinyltriethoxysilane, vinyltrimethoxysilane, vinyltris (β -methoxyethoxy) silane, methacryloxypropyltrimethoxysilane.
5. The method for recycling artificial stone waste powder according to claim 1, wherein the coupling agent is added into the artificial stone waste powder by spraying and mixed with the powder uniformly.
6. The method for recycling artificial stone waste powder as claimed in claim 1, wherein the treatment method for reducing the oil absorption rate of the artificial stone waste powder comprises the steps of preparing 93-99% of the artificial stone waste powder, 0.5-3.5% of the coupling agent and 0.5-3.5% of MMA for standby, putting the artificial stone waste powder into a mixing kettle, uniformly mixing the coupling agent and the MMA, spraying the mixed solution of the coupling agent and the MMA in a spraying manner and stirring at the stirring speed of 1500-2000 rpm after the temperature of the artificial stone waste powder is raised to 60-70 ℃, and continuing to stir at a high speed for 20-30 minutes after the spraying of the mixed solution is completed.
7. The recycling method of waste powder of artificial stone according to claim 1, wherein the method for producing the artificial stone product using the waste powder of artificial stone comprises adding 28-32% o-benzene type unsaturated polyester resin, 67-71% treated waste powder of artificial stone and 0.5-1% curing agent into a kneader and kneading for 10-15 minutes to prepare a dough; then the bulk material is put into a die and put into a molding press, the tooth grinding temperature is set to be 120 & lt, 130 & gt DEG & gt, and the pressure is 25 kg/cm2Heating and curing for 5-10 minutes to obtain the artificial stone plate with the thickness of 6mm, namely completing the recycling of the waste powder of the artificial stone.
8. The method for recycling artificial stone waste powder according to claim 7, wherein the curing agent is tert-butyl perbenzoate.
9. The method for recycling artificial stone waste powder according to claim 7, wherein the phthalic acid type unsaturated polyester resin is phthalic acid type unsaturated polyester resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911385272.7A CN111116072A (en) | 2019-12-28 | 2019-12-28 | Recovery processing method of waste artificial stone powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911385272.7A CN111116072A (en) | 2019-12-28 | 2019-12-28 | Recovery processing method of waste artificial stone powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111116072A true CN111116072A (en) | 2020-05-08 |
Family
ID=70504158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911385272.7A Pending CN111116072A (en) | 2019-12-28 | 2019-12-28 | Recovery processing method of waste artificial stone powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111116072A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101905962A (en) * | 2010-07-13 | 2010-12-08 | 石磊 | Modified inorganic powder composite material and preparation method thereof |
| CN101941816A (en) * | 2010-08-09 | 2011-01-12 | 华南理工大学 | Pretreatment recycling method of waste powder from polishing of artificial stone |
| CN109879644A (en) * | 2017-12-06 | 2019-06-14 | 天津儒创新材料科技有限公司 | A method of inorganic artificial stone is processed using marble wastes |
-
2019
- 2019-12-28 CN CN201911385272.7A patent/CN111116072A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101905962A (en) * | 2010-07-13 | 2010-12-08 | 石磊 | Modified inorganic powder composite material and preparation method thereof |
| CN101941816A (en) * | 2010-08-09 | 2011-01-12 | 华南理工大学 | Pretreatment recycling method of waste powder from polishing of artificial stone |
| CN109879644A (en) * | 2017-12-06 | 2019-06-14 | 天津儒创新材料科技有限公司 | A method of inorganic artificial stone is processed using marble wastes |
Non-Patent Citations (3)
| Title |
|---|
| 何嘉杰: "人造石抛光废粉在HDPE中的应用研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
| 李康伟: "利用石材加工废料制备人造石研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
| 瞿金平等: "《塑料工业手册 注塑、模压工艺与设备》", 31 October 2001, 化学工业出版社 * |
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Application publication date: 20200508 |