CN114956656B - Magnesium ore slag and sand washing residual mud artificial stone and preparation method thereof - Google Patents
Magnesium ore slag and sand washing residual mud artificial stone and preparation method thereof Download PDFInfo
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- CN114956656B CN114956656B CN202210644978.6A CN202210644978A CN114956656B CN 114956656 B CN114956656 B CN 114956656B CN 202210644978 A CN202210644978 A CN 202210644978A CN 114956656 B CN114956656 B CN 114956656B
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- 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
-
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/02—Agglomerated materials, e.g. artificial aggregates
-
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/14—Waste materials; Refuse from metallurgical processes
- C04B18/141—Slags
- C04B18/144—Slags from the production of specific metals other than iron or of specific alloys, e.g. ferrochrome slags
-
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
-
- 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
- C04B2111/545—Artificial marble
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
-
- 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 relates to a magnesium ore slag and washed sand residual mud artificial stone and a preparation method thereof, belonging to the technical field of artificial stones. The artificial stone comprises the following raw materials in parts by weight: 45-70 parts of marble powder; 15-25 parts of magnesium slag; 10-17 parts of sand and stone particles; 5-8 parts of a stabilizer; 2-5 parts of isopropyl distearoyl acyloxy aluminate; 1-3 parts of pigment. The preparation method comprises the following steps: the method comprises the following steps: respectively drying the marble powder, the magnesium slag and the sandstone particles, adding into a high-speed mixer, and adding the isopropyl distearoyloxy aluminate. Meanwhile, the addition of the carbon nano particles can improve the workable phase of the artificial stone at the crystal boundary, greatly improve the mechanical property of the material and improve the hardness and fracture toughness of the artificial stone; and the magnesium slag and the sand washing slurry are used for preparing the artificial stone, so that the magnesium slag and the sand washing slurry can be fully utilized, the waste recycling is realized, and the economic value is reproduced.
Description
Technical Field
The invention belongs to the technical field of artificial stones, and particularly relates to a magnesium ore slag and washed sand residual mud artificial stone and a preparation method thereof.
Background
The artificial stone is a novel building indoor decorative material which has no radioactivity, no pollution, reusability and environmental protection. The artificial stone sold in the current market has organic artificial stone taking polymer resin material as adhesive, and is mainly divided into three types: artificial marble (abbreviated as artificial granite), artificial quartz, and acryl, and further includes an inorganic type artificial stone using cement as an adhesive.
Can produce a large amount of waste mud in the building operation process, including grit and bentonite and a large amount of water, current processing mode is with the tank handle on-the-spot waste mud loading outward transport, can produce many problems like this: the amount of waste slurry generated in building construction is huge, the loading and outward transportation cost is high, and the efficiency is low; the environment is polluted by the scattering and leakage of the slurry in the transportation process; the mud is discarded at will and buried to cause greater pollution.
The existing artificial stone products have poor mechanical properties, heat resistance and durability, so that the existing artificial stone products can only be used as indoor building decoration materials but can not be used as outdoor building decoration materials, and the popularization and application of the artificial stone products are severely restricted.
Therefore, the invention provides a magnesium ore slag and sand washing residual mud artificial stone and a preparation method thereof.
Disclosure of Invention
The invention aims to provide a magnesium ore slag and sand washing residual mud artificial stone and a preparation method thereof, which are used for solving the problems in the background art.
The purpose of the invention can be realized by the following technical scheme:
an artificial stone based on magnesium ore slag and washed sand residual mud muck comprises the following raw materials in parts by weight: 45-70 parts of marble powder; 15-25 parts of magnesium slag; 10-17 parts of sand and stone particles; 5-8 parts of a stabilizer; 2-5 parts of isopropyl distearoyl acyloxy aluminate; 1-3 parts of pigment;
as a further scheme of the invention: wherein the sand particles are prepared by the following step A:
step A1: filtering the sand washing slurry, centrifuging, standing for settling, washing with water for 2-4 times, and drying;
step A2: b, crushing the precipitate in the step A1 to obtain sandstone powder;
step A3: adding nano carbon black into the sandstone powder, adding into a vacuum reaction tank, introducing nitrogen, and grinding for 20-24h to obtain mixed powder;
step A4: mixing the mixed powder with absolute ethyl alcohol and distilled water according to a mass ratio of 1:4-8:5-7, adding a dispersing agent and a lubricating agent into the mixture to ensure that the solid-to-liquid ratio is 1-25-30, then carrying out ball milling for 60-75min, uniformly mixing, adding a forming agent, continuing ball milling for 30-45min to obtain slurry, and then carrying out vacuum concentration on the slurry to one fifth to one fourth of the original volume to obtain concentrated slurry;
step A5: spray drying the obtained concentrated slurry, atomizing the slurry under the pressure of 0.1-0.5MPa, and drying in hot air to form sand and stone particles.
In the step A4, the dosage ratio of the mixed powder, the dispersant and the lubricant is 5.5-5.8g:11-13mL:40-45mL.
As a further scheme of the invention: the grain diameter of the mixed powder obtained in the step A3 is 60-80 meshes.
As a further scheme of the invention: the temperature of the spray drying is 110-150 ℃.
As a further scheme of the invention: the dispersant is one or more of tetramethylammonium hydroxide and polyethylene glycol which are mixed according to any proportion.
As a further scheme of the invention: the stabilizer is one or more of octyl tin maleate, di-n-octyl tin dilaurate and isobutyl triethoxy silane which are mixed according to any proportion.
A preparation method of artificial stone from magnesium ore slag and washed sand residual sludge soil comprises the following steps:
the method comprises the following steps: respectively drying marble powder, magnesium slag and sand grains, adding into a high-speed mixer, adding isopropyl distearoyloxy aluminate, stirring and mixing at 110-120 ℃ at 500-1000rpm for 40-50min to obtain a mixture, grinding and sieving the mixture by a 200-400 mesh sieve, adding a pigment, continuously stirring for 10-15min, washing with distilled water for 2-3 times, and drying at 100-120 ℃ for later use;
step two: and (3) placing the powder prepared in the step one in a mold, carrying out extrusion molding, demolding and drying the molded plate, and polishing the surface to obtain the artificial stone.
As a further scheme of the invention: the extrusion molding conditions in the second step are as follows: the pressing frequency is 52-62Hz, the pressing time is 150-200s, the pressure is 1.5-3.0MPa, and the vacuum degree is-100-95 Pa.
As a further scheme of the invention: and in the second step, after extrusion forming, the formed plate is sent into a curing box for curing, wherein the curing temperature is 80-90 ℃, and the curing time is 40-50min.
The invention has the beneficial effects that:
the sand and stone particles used in the invention are obtained by precipitating the sand washing residual mud, then ground and added with the nano carbon black to grind the sand and stone mixture, so that the activity of the nano carbon black and sand and stone is improved, the diffusion of substances is accelerated, the reaction is promoted, the nano carbon black and sand and stone form composite powder under the action of mechanical mechanochemistry, and then the dispersing agent is added into the composite powder, so that the composite powder is dispersed by the repulsive force generated between the powder through the electrostatic effect and the steric hindrance stabilization effect; atomizing the composite powder by spraying, contacting with hot air, drying and granulating to obtain sandstone particles, wherein the composite powder can be prevented from reunion and separation by spraying and granulating, and the original uniformity of the composite powder is kept; meanwhile, the mechanical processing performance of the sandstone can be obviously improved by adding the nano carbon black, and the addition of the carbon nano particles can improve the processable phase of the artificial stone at the crystal boundary, greatly improve the mechanical performance of the material and improve the hardness and fracture toughness of the artificial stone; but also can improve the thermal stability of the artificial stone at high temperature. And the magnesium slag and the sand washing slurry are used for preparing the artificial stone, so that the magnesium slag and the sand washing slurry can be fully utilized, the waste recycling is realized, and the economic value is reproduced.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if the present invention relates to directional indications (such as up, down, left, right, front, back, ...), the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" and/or "appears throughout, the meaning includes three parallel schemes, for example," A and/or B "includes scheme A, or scheme B, or a scheme satisfying both schemes A and B. In addition, technical solutions between the embodiments may be combined with each other, but must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Example 1
An artificial stone based on magnesium ore slag and washed sand residual mud muck comprises the following raw materials in parts by weight: 45 parts of marble powder; 15 parts of magnesium slag; 10 parts of sand and stone particles; 5 parts of a stabilizer; 2 parts of isopropyl distearoyl acyloxy aluminate; 1 part of pigment;
wherein the sand particles are prepared by the following step A:
step A1: filtering the sand washing slurry, centrifuging, standing for settling, washing with water for 2 times, and drying;
step A2: crushing the precipitate obtained in the step A1 to obtain sandstone powder;
step A3: adding nano carbon black into the sandstone powder, adding into a vacuum reaction tank, introducing nitrogen, and grinding for 20h to obtain mixed powder;
step A4: mixing the mixed powder with absolute ethyl alcohol and distilled water according to a mass ratio of 1:4-8:5-7, mixing to enable the solid-to-liquid ratio to be 1;
step A5: the resulting concentrated slurry was spray dried, atomized under a pressure of 0.1MPa, and dried in hot air to form sand particles.
In the step A4, the dosage ratio of the mixed powder, the dispersant and the lubricant is 5.5g:10mL of: 40mL.
As a further scheme of the invention: the particle size of the mixed powder obtained in the step A3 is 60 meshes.
As a further scheme of the invention: the temperature of the spray drying was 110 ℃.
As a further scheme of the invention: the dispersant is one or more of tetramethylammonium hydroxide and polyethylene glycol which are mixed according to any proportion.
As a further scheme of the invention: the stabilizer is one or more of octyl tin maleate, di-n-octyl tin dilaurate and isobutyl triethoxysilane mixed according to any proportion.
A preparation method of artificial stone from magnesium ore slag and washed sand residual sludge soil comprises the following steps:
the method comprises the following steps: respectively drying marble powder, magnesium slag and sand particles, adding into a high-speed mixer, adding isopropyl distearoyl acyloxy aluminate, stirring and mixing at 110 ℃ at a speed of 500rpm for 40min to obtain a mixture, grinding and sieving the mixture by a sieve of 200 meshes, adding pigment, continuously stirring for 10min, washing by distilled water for 2 times, and drying at 100 ℃ for later use;
step two: and (3) placing the powder prepared in the step one in a mold, carrying out extrusion molding, demolding and drying the molded plate, and polishing the surface to obtain the artificial stone.
As a further scheme of the invention: the extrusion molding conditions in the second step are as follows: the pressing frequency is 52Hz, the pressing time is 150s, the pressure intensity is 1.5MPa, and the vacuum degree is-100 Pa.
As a further scheme of the invention: in the second step, after extrusion forming, the formed plate is sent into a curing box for curing, wherein the curing temperature is 80 ℃ and the curing time is 40min.
Example 2
An artificial stone based on magnesium ore slag and washed sand residual mud muck comprises the following raw materials in parts by weight: 55 parts of marble powder; 20 parts of magnesium slag; 15 parts of sandstone particles; 7 parts of a stabilizer; 3 parts of isopropyl distearoyl acyloxy aluminate; 2 parts of pigment;
wherein the sand particles are prepared by the following step A:
step A1: filtering the sand washing slurry, centrifuging, standing for settling, washing with water for 3 times, and drying;
step A2: b, crushing the precipitate in the step A1 to obtain sandstone powder;
step A3: adding nano carbon black into the sandstone powder, adding into a vacuum reaction tank, introducing nitrogen, and grinding for 22h to obtain mixed powder;
step A4: mixing the mixed powder with absolute ethyl alcohol and distilled water according to a mass ratio of 1:6:6, mixing to enable the solid-liquid ratio to be 1, adding a dispersing agent and a lubricating agent, performing ball milling for 70min, uniformly mixing, adding a forming agent, performing ball milling for 40min to obtain slurry, and performing vacuum concentration on the slurry to one fifth to one fourth of the original volume to obtain concentrated slurry;
step A5: the resulting concentrated slurry was spray dried, atomized under a pressure of 0.3MPa, and dried in hot air to form sand particles.
In the step A4, the dosage ratio of the mixed powder, the dispersing agent and the lubricating agent is 5.6g:12mL of: 43mL.
As a further scheme of the invention: the particle size of the mixed powder obtained in the step A3 is 70 meshes.
As a further scheme of the invention: the temperature of the spray drying was 130 ℃.
As a further scheme of the invention: the dispersant is one or more of tetramethylammonium hydroxide and polyethylene glycol which are mixed according to any proportion.
As a further scheme of the invention: the stabilizer is one or more of octyl tin maleate, di-n-octyl tin dilaurate and isobutyl triethoxy silane which are mixed according to any proportion.
A preparation method of artificial stone from magnesium ore slag and washed sand residual sludge soil comprises the following steps:
the method comprises the following steps: respectively drying marble powder, magnesium slag and sand particles, adding into a high-speed mixer, adding isopropyl distearoyloxy aluminate, stirring and mixing at the temperature of 115 ℃ at the speed of 700rpm for 45min to obtain a mixture, grinding and sieving the mixture by a sieve of 300 meshes, adding a pigment, continuously stirring for 14min, washing by distilled water for 3 times, and drying at the temperature of 110 ℃ for later use;
step two: and (3) placing the powder prepared in the step one in a mold, carrying out extrusion molding, demolding and drying the molded plate, and polishing the surface to obtain the artificial stone.
As a further scheme of the invention: the extrusion molding conditions in the second step are as follows: the pressing frequency is 52-62Hz, the pressing time is 170s, the pressure is 2.0MPa, and the vacuum degree is-97 Pa.
As a further scheme of the invention: in the second step, after extrusion forming, the formed plate is sent into a curing box for curing, wherein the curing temperature is 85 ℃ and the curing time is 45min.
Example 3
An artificial stone based on magnesium ore slag and washed sand residual mud muck comprises the following raw materials in parts by weight: 70 parts of marble powder; 25 parts of magnesium slag; 17 parts of sandstone particles; 8 parts of a stabilizer; 5 parts of isopropyl distearoyl acyloxy aluminate; 3 parts of a pigment;
wherein the sand particles are prepared by the following step A:
step A1: filtering the sand washing slurry, centrifuging, standing for settling, washing with water for 4 times, and drying;
step A2: crushing the precipitate obtained in the step A1 to obtain sandstone powder;
step A3: adding nano carbon black into the sandstone powder, adding into a vacuum reaction tank, introducing nitrogen, and grinding for 24 hours to obtain mixed powder;
step A4: mixing the mixed powder with absolute ethyl alcohol and distilled water according to a mass ratio of 1:8:7, mixing until the solid-to-liquid ratio is 30, adding a dispersing agent and a lubricating agent, carrying out ball milling for 75min, adding a forming agent after uniform mixing, continuing ball milling for 45min to obtain slurry, and carrying out vacuum concentration on the slurry to one fifth to one fourth of the original volume to obtain concentrated slurry;
step A5: the resulting concentrated slurry was spray dried, atomized under a pressure of 0.5MPa, and dried in hot air to form sand particles.
In the step A4, the dosage ratio of the mixed powder, the dispersant and the lubricant is 5.8g:13mL of: 45mL.
As a further scheme of the invention: the particle size of the mixed powder obtained in the step A3 is 80 meshes.
As a further scheme of the invention: the temperature of the spray drying was 150 ℃.
As a further scheme of the invention: the dispersant is one or more of tetramethylammonium hydroxide and polyethylene glycol which are mixed according to any proportion.
As a further scheme of the invention: the stabilizer is one or more of octyl tin maleate, di-n-octyl tin dilaurate and isobutyl triethoxysilane mixed according to any proportion.
A preparation method of artificial stone from magnesium ore slag and washed sand residual sludge soil comprises the following steps:
the method comprises the following steps: respectively drying marble powder, magnesium slag and sandstone particles, adding into a high-speed mixer, adding isopropyl distearoyloxy aluminate, stirring and mixing at the temperature of 120 ℃ at the speed of 1000rpm for 50min to obtain a mixture, grinding and sieving the mixture by a 400-mesh sieve, adding a pigment, continuously stirring for 15min, washing by distilled water for 3 times, and drying at the temperature of 120 ℃ for later use;
step two: and (3) placing the powder prepared in the step one in a mold, carrying out extrusion molding, demolding and drying the molded plate, and polishing the surface to obtain the artificial stone.
As a further scheme of the invention: the extrusion molding conditions in the second step are as follows: the pressing frequency is 62Hz, the pressing time is 200s, the pressure is 3.0MPa, and the vacuum degree is 95Pa.
As a further scheme of the invention: and in the second step, after extrusion forming, the formed plate is sent into a curing box for curing, wherein the curing temperature is 90 ℃ and the curing time is 50min.
Comparative example 1
In the comparative example, the artificial stone is prepared by the preparation process of CN201711114868.4 instead of the example 1.
Comparative example 2
The comparative example is a commercially available synthetic stone material from a company.
The artificial stones prepared in examples 1 to 3 and comparative examples 1 to 2 were measured for their properties, and the results are shown in the following table:
the test method of the dry compression strength and the splitting tensile strength refers to GB/T32667-2016;
the durability test method is referred to/CB/T4502-2009.
From the above table, it can be seen that the anti-human artificial stone prepared by the method can reduce the tensile strength of the material and improve the durability of the material without reducing the mechanical property of the material.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.
Claims (5)
1. An artificial stone based on magnesium ore slag and washed sand residual mud muck is characterized by comprising the following raw materials in parts by weight: 45-70 parts of marble powder; 15-25 parts of magnesium slag; 10-17 parts of sand and stone particles; 5-8 parts of a stabilizer; 2-5 parts of isopropyl distearoyl acyloxy aluminate; 1-3 parts of pigment;
wherein the sand particles are prepared by the following step A:
step A1: filtering the sand washing slurry, standing and settling, and drying;
step A2: b, crushing the precipitate in the step A1 to obtain sandstone powder;
step A3: adding nano carbon black into the sandstone powder, adding into a vacuum reaction tank, introducing nitrogen, and grinding for 20-24h to obtain mixed powder;
step A4: mixing the mixed powder with absolute ethyl alcohol and distilled water according to a mass ratio of 1:4-8:5-7, adding a dispersing agent and a lubricating agent to enable the solid-liquid ratio to be 1;
step A5: spray drying the obtained concentrated slurry, atomizing the slurry under the pressure of 0.1-0.5MPa, and drying in hot air to form sand and stone particles.
2. An artificial stone based on magnesium ore slag and washed sand sludge residue soil according to claim 1, characterized in that: the particle size of the mixed powder obtained in the step A3 is 60-80 meshes.
3. An artificial stone based on magnesium ore slag and washed sand sludge residue soil according to claim 1, characterized in that: the temperature of the spray drying in step A5 is 110-150 ℃.
4. An artificial stone based on magnesium ore slag and washed sand sludge residue soil according to claim 1, characterized in that: the dispersant is one or more of tetramethylammonium hydroxide and polyethylene glycol which are mixed according to any proportion.
5. The artificial stone based on magnesium ore slag and washed-out residual mud muck of claim 1, which is characterized in that: the stabilizer is one or more of octyl tin maleate, di-n-octyl tin dilaurate and isobutyl triethoxy silane which are mixed according to any proportion.
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| KR20110113401A (en) * | 2010-04-09 | 2011-10-17 | 순천대학교 산학협력단 | Manufacture of anti-bacterial synthetic marble using fe-ni slag and fcc catalyst |
| CN103204661B (en) * | 2013-03-20 | 2015-03-11 | 安徽瑞翔石英制品有限公司 | High-impact-resistant artificial quartz stone plate and production process thereof |
| CN105152590B (en) * | 2015-08-03 | 2018-03-20 | 临安晨熙水利科技有限公司 | A kind of method that lightweight synthetic Art Stone product is produced using high wet mud |
| CN107352926A (en) * | 2017-07-14 | 2017-11-17 | 宿州典跃新型建筑材料有限公司 | A kind of method that artificial stone is produced using discarded slurry |
| CN112897956A (en) * | 2021-03-17 | 2021-06-04 | 深圳海龙建筑科技有限公司 | Environment-friendly inorganic artificial stone and preparation method thereof |
| CN113754364B (en) * | 2021-09-17 | 2022-12-09 | 深圳大学 | Artificial aggregate based on muck sand washing tail mud and preparation method thereof |
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