CN116814099A - Method for preparing inorganic coating from yellow phosphorus slag - Google Patents
Method for preparing inorganic coating from yellow phosphorus slag Download PDFInfo
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- CN116814099A CN116814099A CN202310289779.2A CN202310289779A CN116814099A CN 116814099 A CN116814099 A CN 116814099A CN 202310289779 A CN202310289779 A CN 202310289779A CN 116814099 A CN116814099 A CN 116814099A
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- OBSZRRSYVTXPNB-UHFFFAOYSA-N tetraphosphorus Chemical compound P12P3P1P32 OBSZRRSYVTXPNB-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 239000002893 slag Substances 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 44
- 239000011248 coating agent Substances 0.000 title claims abstract description 39
- 238000000576 coating method Methods 0.000 title claims abstract description 39
- 239000000843 powder Substances 0.000 claims abstract description 94
- 238000003756 stirring Methods 0.000 claims abstract description 78
- 239000002994 raw material Substances 0.000 claims abstract description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000011259 mixed solution Substances 0.000 claims abstract description 44
- 239000002245 particle Substances 0.000 claims abstract description 38
- 239000000853 adhesive Substances 0.000 claims abstract description 33
- 230000001070 adhesive effect Effects 0.000 claims abstract description 33
- 238000000227 grinding Methods 0.000 claims abstract description 26
- 239000011230 binding agent Substances 0.000 claims abstract description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 72
- 239000011812 mixed powder Substances 0.000 claims description 64
- 238000002156 mixing Methods 0.000 claims description 46
- 239000000377 silicon dioxide Substances 0.000 claims description 36
- 235000012239 silicon dioxide Nutrition 0.000 claims description 21
- 239000003973 paint Substances 0.000 claims description 20
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical group [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 19
- 239000000243 solution Substances 0.000 claims description 18
- 235000019353 potassium silicate Nutrition 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 4
- 239000002699 waste material Substances 0.000 abstract description 8
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 239000002894 chemical waste Substances 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract description 2
- 238000010422 painting Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 4
- 239000004115 Sodium Silicate Substances 0.000 description 3
- 240000004922 Vigna radiata Species 0.000 description 3
- 235000010721 Vigna radiata var radiata Nutrition 0.000 description 3
- 235000011469 Vigna radiata var sublobata Nutrition 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 229910052911 sodium silicate Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 229910052909 inorganic silicate Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention belongs to the technical field of chemical waste recycling, and particularly relates to a method for preparing an inorganic coating from yellow phosphorus slag, which comprises the following steps: grinding yellow phosphorus slag into raw material powder with the particle size of-200 meshes to-500 meshes; adding water accounting for 20-30% of the volume of the raw material powder into the raw material powder, and uniformly stirring to form a mixed solution; and adding an adhesive accounting for 5-20% of the volume of the mixed solution into the mixed solution, and stirring the mixed solution again to obtain the inorganic coating. The method for preparing the inorganic coating by using the yellow phosphorus slag takes the yellow phosphorus slag as a raw material, and the yellow phosphorus slag is mixed with water and a binder to prepare the inorganic coating, so that the yellow phosphorus slag is fully and reasonably utilized, the reutilization of wastes is realized, the waste of resources is reduced, and the problems of stockpiling and environmental pollution of the yellow phosphorus slag are effectively solved.
Description
Technical Field
The invention belongs to the technical field of chemical waste recycling, and particularly relates to a method for preparing an inorganic coating from yellow phosphorus slag.
Background
The yellow phosphorus slag is tailings discharged after yellow phosphorus is extracted from industrial yellow phosphorus stone by a high-temperature electric furnace, 8-10 tons of tailings can be produced per 1 ton of yellow phosphorus produced industrially, and yellow phosphorus enterprises in China produce about 600-700 ten thousand tons of yellow phosphorus slag each year according to the current production situation of yellow phosphorus in China.
At present, yellow phosphorus slag is piled up as solid waste in many factories, which not only occupies land, but also pollutes the environment and endangers the health of human beings; in addition, a plurality of yellow phosphorus enterprises do not fully utilize the yellow phosphorus slag, so that great resource waste is caused.
In the use mode, the yellow phosphorus slag is not used in a large amount, and the yellow phosphorus slag is not fully utilized in terms of quantity and benefit, so that the problems of large stockpiling and environmental pollution of the yellow phosphorus slag still exist. Therefore, how to fully and reasonably utilize the yellow phosphorus slag to reduce the piling up of the yellow phosphorus slag and the pollution to the environment is a technical problem to be solved urgently by the person skilled in the art.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a method for preparing inorganic paint by yellow phosphorus slag, which aims to solve the technical problems that yellow phosphorus slag is not fully utilized in the prior art, and the yellow phosphorus slag is piled up and pollutes the environment.
The invention is realized by the following technical scheme:
a method for preparing an inorganic coating from yellow phosphorus slag, the method comprising the steps of:
grinding yellow phosphorus slag into raw material powder with the particle size of-200 meshes to-500 meshes;
adding water accounting for 20-30% of the volume of the raw material powder into the raw material powder, and uniformly stirring to form a mixed solution;
and adding an adhesive accounting for 5-20% of the volume of the mixed solution into the mixed solution, and stirring the mixed solution again to obtain the inorganic coating.
In order to better realize the invention, the structure is further optimized, before water is added into the raw material powder, the raw material powder and the silicon dioxide micro powder are mixed to form mixed powder, and then water accounting for 20-30% of the volume of the mixed powder is added into the mixed powder and uniformly stirred to form the mixed liquid; the ratio of the raw material powder to the silicon dioxide micro powder is 1:1-1:3.
In order to better realize the invention, the structure is further optimized, the raw material powder and the silicon dioxide micro powder are mixed by adopting a ball mill, and the mixing time of the raw material powder and the silicon dioxide micro powder is 10 minutes to 30 minutes.
In order to better realize the invention, the structure is further optimized, and the particle size of the silicon dioxide micro powder is-500 meshes to-1000 meshes.
In order to better realize the invention, the structure is further optimized, the mixing of the mixed powder and the water is carried out by adopting an industrial stirrer, the rotating speed of the industrial stirrer in the stirring process is 300 revolutions per minute, and the mixing and stirring time of the mixed powder and the water is 20 minutes to 40 minutes.
In order to better realize the invention, the structure is further optimized, the binder is water glass solution, the concentration of the binder is 20%, and the modulus of the binder is 2.2-2.6.
In order to better realize the invention, the structure is further optimized, after the adhesive is added into the mixed liquid, the mixed liquid is stirred by an industrial stirrer, the rotating speed of the industrial stirrer in the stirring process is 300 revolutions per minute, and the stirring time is 20-40 minutes.
In order to better realize the invention, the structure is further optimized, and the yellow phosphorus slag is ground by adopting a ball mill, wherein the grinding time is 60 minutes to 100 minutes.
In order to better realize the invention, the structure is further optimized, and the particle size of the raw material powder is-500 meshes.
In order to better realize the invention, the structure is further optimized, and the toner is added into the inorganic coating for color matching.
In summary, the method for preparing the inorganic coating by using the yellow phosphorus slag provided by the invention has the following technical effects:
the method for preparing the inorganic coating by using the yellow phosphorus slag takes the yellow phosphorus slag as a raw material, and the yellow phosphorus slag is mixed with water and a binder to prepare the inorganic coating, so that the yellow phosphorus slag is fully and reasonably utilized, the reutilization of wastes is realized, the waste of resources is reduced, and the problems of stockpiling and environmental pollution of the yellow phosphorus slag are effectively solved.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.
In the description of the present invention, it is to be noted that, unless otherwise indicated, the meaning of "plurality" is two or more. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.
Examples:
a method for preparing an inorganic coating from yellow phosphorus slag, comprising the following steps:
grinding yellow phosphorus slag into raw material powder;
mixing the raw material powder with the silicon dioxide micro powder to form mixed powder so as to improve the fluidity and lubricity of the raw material powder; adding water accounting for 20-30% of the volume of the mixed powder into the mixed powder, and uniformly stirring to form a mixed solution;
and adding an adhesive accounting for 5-20% of the volume of the mixed solution into the mixed solution, and stirring the mixed solution again to obtain the inorganic coating so as to improve the viscosity and strength of the inorganic coating.
The method for preparing the inorganic coating by using the yellow phosphorus slag takes the yellow phosphorus slag as a raw material, and the yellow phosphorus slag is mixed with water and a binder to prepare the inorganic coating, so that the yellow phosphorus slag is fully and reasonably utilized, the reutilization of wastes is realized, the waste of resources is reduced, and the problems of stockpiling and environmental pollution of the yellow phosphorus slag are effectively solved.
In addition, the method for preparing the inorganic coating from the yellow phosphorus slag provided by the invention has the advantages that fewer auxiliary materials are used, the preparation process is simple, and the prepared inorganic coating can meet the relevant standards of the coating industry, so that the production of the inorganic coating is more convenient.
Optimally, the yellow phosphorus slag is ground by adopting a ball mill, and the grinding time is 60-100 minutes.
Preferably, the particle size of the raw material powder is-500 meshes, so that the outer layer of the inorganic coating has no granular feel after the inorganic coating is coated, and the appearance of the inorganic coating is smoother after the inorganic coating is coated for two times.
Optimally, the proportion of the raw material powder to the silicon dioxide micro powder is 1:1-1:3;
with the increase of the amount of the silica micropowder (in the range of 1:1-1:3), the inorganic coating is finer and smoother, and the outer layer of the inorganic coating is smoother after the coating of the inorganic coating is finished.
Optimally, the raw material powder and the silicon dioxide micro powder are mixed by adopting a ball mill, and the mixing time of the raw material powder and the silicon dioxide micro powder is 10-30 minutes;
in the process of mixing the raw material powder and the silicon dioxide micro powder by the ball mill, the ball mill can continuously grind the raw material powder and the silicon dioxide micro powder so as to further reduce the particle size of the raw material powder and the silicon dioxide micro powder, so that the inorganic coating prepared by the method is finer.
Optimally, the particle size of the silicon dioxide micro powder is-500 to-1000 meshes; the particle size of the fine silica powder is preferably-1000 mesh, the purity is 99%, and the fluidity and lubricity of the raw material powder can be effectively improved.
Preferably, the silica micropowder is extracted from mung bean rocks; in enterprises producing yellow phosphorus, the mung bean rock is a common resource, and the silicon dioxide micro powder in the mung bean rock is extracted and utilized, so that the resource can be better recycled, and the resource waste is reduced.
Optimally, the mixing of the mixed powder and the water is performed by adopting an industrial stirrer, and the mixed powder and the water are sufficiently stirred by using the industrial stirrer, so that the mixed powder and the water are mixed more uniformly.
Preferably, in the process of stirring the mixed powder and water by the industrial stirrer, the stirring speed of the industrial stirrer is 300 revolutions per minute, and the mixing and stirring time of the mixed powder and water is 20-40 minutes, so that the mixed powder and water are mixed more uniformly.
Preferably, the binder is water glass solution, the concentration of the binder is 20%, and the modulus of the binder is 2.2-2.6.
The water glass solution is an aqueous solution of sodium silicate; wherein sodium silicate commonly called sodium silicate is an inorganic substance, and has a chemical formula of Na 2 O·nSiO 2 The method comprises the steps of carrying out a first treatment on the surface of the The water glass solution is an ore adhesive, and has the following modulus: n=sio 2 /Na 2 O (molar ratio), which is a soluble inorganic silicate, has a wide range of uses.
Optimally, after the adhesive is added into the mixed solution, stirring is continued by adopting an industrial stirrer; in the stirring process, the rotating speed of the industrial stirrer is 300 revolutions per minute, and the stirring time is 20-40 minutes, so that the binder can be fully and uniformly mixed in the mixed solution, the strength of the inorganic coating is improved, and the inorganic coating is free from peeling or powder falling after being coated.
Optimally, the toner is added into the inorganic paint to carry out color mixing while the binder is added, so as to produce inorganic paint with different colors, thereby better meeting the requirements of different consumers.
This example demonstrates how the inorganic coating produced has different effects with different material compositions and various factors by comparing several sets of experiments:
experiment one:
grinding yellow phosphorus slag into raw material powder with the particle size of-200 meshes for 30 minutes;
mixing the raw material powder and the silicon dioxide micro powder with the particle size of-500 meshes in a ball mill to form mixed powder, wherein the mixing time is 20 minutes, and the mixing ratio is 1:1;
adding 20% of water by volume of the mixed powder into the mixed powder and stirring by using an industrial stirrer, wherein the rotation speed of the industrial stirrer is 300 rpm, and the stirring time is 30 minutes, so that the water and the mixed powder are uniformly mixed to form mixed solution;
adding 10% of adhesive into the mixed solution, wherein the adhesive is water glass solution, the concentration is 20%, the modulus is 2.2-2.6, stirring is carried out by using an industrial stirrer again, and the rotation speed of the industrial stirrer is 300 rpm and the stirring time is 30 minutes in the stirring process.
Test results: the obtained inorganic paint has granular feel, and has rough appearance after being painted on the wall, and is difficult to paint for two times.
Experiment II:
grinding yellow phosphorus slag into raw material powder with the particle size of-300 meshes for 40 minutes;
mixing the raw material powder and the silicon dioxide micro powder with the particle size of-500 meshes in a ball mill to form mixed powder, wherein the mixing time is 20 minutes, and the mixing ratio is 1:1;
adding 20% of water by volume of the mixed powder into the mixed powder and stirring by using an industrial stirrer, wherein the rotation speed of the industrial stirrer is 300 rpm, and the stirring time is 30 minutes, so that the water and the mixed powder are uniformly mixed to form mixed solution;
adding 10% of adhesive into the mixed solution, wherein the adhesive is water glass solution, the concentration is 20%, the modulus is 2.2-2.6, stirring is carried out by using an industrial stirrer again, and the rotation speed of the industrial stirrer is 300 rpm and the stirring time is 30 minutes in the stirring process.
Test results: the obtained coating still has granular feel, and the appearance is rough after two times of coating.
Experiment III:
grinding yellow phosphorus slag into raw material powder with the particle size of-400 meshes for 50 minutes;
mixing the raw material powder and the silicon dioxide micro powder with the particle size of-500 meshes in a ball mill to form mixed powder, wherein the mixing time is 20 minutes, and the mixing ratio is 1:1;
adding 20% of water by volume of the mixed powder into the mixed powder and stirring by using an industrial stirrer, wherein the rotation speed of the industrial stirrer is 300 rpm, and the stirring time is 30 minutes, so that the water and the mixed powder are uniformly mixed to form mixed solution;
adding 10% of adhesive into the mixed solution, wherein the adhesive is water glass solution, the concentration is 20%, the modulus is 2.2-2.6, stirring is carried out by using an industrial stirrer again, and the rotation speed of the industrial stirrer is 300 rpm and the stirring time is 30 minutes in the stirring process.
Test results: the obtained paint still has granular feel, and has rough appearance after being painted on the wall and smoother appearance after being painted for two times.
Experiment IV:
grinding yellow phosphorus slag into raw material powder with the particle size of-500 meshes, wherein the grinding time is 60 minutes;
mixing the raw material powder and the silica micro powder with the particle size of-1000 meshes in a ball mill to form mixed powder, wherein the mixing time is 20 minutes, and the mixing ratio is 1:1;
adding 20% of water by volume of the mixed powder into the mixed powder and stirring by using an industrial stirrer, wherein the rotation speed of the industrial stirrer is 300 rpm, and the stirring time is 30 minutes, so that the water and the mixed powder are uniformly mixed to form mixed solution;
adding 10% of adhesive into the mixed solution, wherein the adhesive is water glass solution, the concentration is 20%, the modulus is 2.2-2.6, stirring is carried out by using an industrial stirrer again, and the rotation speed of the industrial stirrer is 300 rpm and the stirring time is 30 minutes in the stirring process.
Test results: the obtained paint has no caking after being uniformly stirred, the primary painting appearance is normal, and the secondary painting appearance is smoother.
As can be seen from the comparison of the four groups of experiments, the particle size of the raw material powder (after grinding the yellow phosphorus slag) is preferably-500 meshes, the particle size of the raw material powder is too large, and the produced inorganic coating has granular feel and uneven and unsmooth appearance after being smeared; the particle size of the fine silica powder is preferably-1000 mesh, and the influence of the particle size of the fine silica powder is the same as that of the raw material powder.
Experiment five:
grinding yellow phosphorus slag into raw material powder with the particle size of-500 meshes, wherein the grinding time is 60 minutes;
mixing the raw material powder and the silica micro powder with the particle size of-1000 meshes in a ball mill to form mixed powder, wherein the mixing time is 20 minutes, and the mixing ratio is 1:2;
adding 20% of water by volume of the mixed powder into the mixed powder and stirring by using an industrial stirrer, wherein the rotation speed of the industrial stirrer is 300 rpm, and the stirring time is 30 minutes, so that the water and the mixed powder are uniformly mixed to form mixed solution;
adding 10% of adhesive into the mixed solution, wherein the adhesive is water glass solution, the concentration is 20%, the modulus is 2.2-2.6, stirring is carried out by using an industrial stirrer again, and the rotation speed of the industrial stirrer is 300 rpm and the stirring time is 30 minutes in the stirring process.
Test results: the obtained paint has no caking after being uniformly stirred, the primary painting appearance is normal, and the secondary painting appearance is smoother.
Experiment six:
grinding yellow phosphorus slag into raw material powder with the particle size of-500 meshes, wherein the grinding time is 60 minutes;
mixing the raw material powder and the silica micro powder with the particle size of-1000 meshes in a ball mill to form mixed powder, wherein the mixing time is 20 minutes, and the mixing ratio is 1:3;
adding 20% of water by volume of the mixed powder into the mixed powder and stirring by using an industrial stirrer, wherein the rotation speed of the industrial stirrer is 300 rpm, and the stirring time is 30 minutes, so that the water and the mixed powder are uniformly mixed to form mixed solution;
adding 10% of adhesive into the mixed solution, wherein the adhesive is water glass solution, the concentration is 20%, the modulus is 2.2-2.6, stirring is carried out by using an industrial stirrer again, and the rotation speed of the industrial stirrer is 300 rpm and the stirring time is 30 minutes in the stirring process.
Test results: the obtained paint has no caking after being uniformly stirred, the primary painting appearance is normal, and the secondary painting appearance is smoother.
As is clear from the comparison of the experiment five and the experiment six, the silica micro powder mainly influences the fluidity of the raw material powder, and has small influence on the inorganic coating within the specified proportion range (1:1-1:3).
Experiment seven:
grinding yellow phosphorus slag into raw material powder with the particle size of-500 meshes for 100 minutes;
mixing the raw material powder and silica micropowder with the particle size of-1000 meshes in a ball mill to form mixed powder, wherein the mixing time is 20 minutes, and the mixing ratio is 1:1;
adding 20% of water by volume of the mixed powder into the mixed powder and stirring by using an industrial stirrer, wherein the rotation speed of the industrial stirrer is 300 rpm, and the stirring time is 30 minutes in the stirring process, so that the water and the mixed powder are uniformly mixed to form mixed solution;
adding 10% of adhesive into the mixed solution, wherein the adhesive is water glass solution, the concentration is 20%, the modulus is 2.2-2.6, stirring is carried out by using an industrial stirrer again, and the rotation speed of the industrial stirrer is 300 rpm and the stirring time is 30 minutes in the stirring process.
Test results: the obtained paint has no caking after being uniformly stirred, the primary painting appearance is normal, and the secondary painting appearance is smoother.
As can be seen from the comparison of the experiment one to the experiment four and the experiment seven, the grinding time of the yellow phosphorus slag only affects the particle size of the raw material powder.
Experiment eight:
grinding yellow phosphorus slag into raw material powder with the particle size of-500 meshes for 100 minutes;
mixing the raw material powder and the silica micro powder with the particle size of-1000 meshes in a ball mill to form mixed powder, wherein the mixing time is 20 minutes, and the mixing ratio is 1:2;
adding 30% of water by volume of the mixed powder into the mixed powder and stirring by using an industrial stirrer, wherein the rotation speed of the industrial stirrer is 300 rpm, and the stirring time is 30 minutes, so that the water and the mixed powder are uniformly mixed to form mixed solution;
adding 10% of adhesive into the mixed solution, wherein the adhesive is water glass solution, the concentration is 20%, the modulus is 2.2-2.6, stirring is carried out by using an industrial stirrer again, and the rotation speed of the industrial stirrer is 300 rpm and the stirring time is 30 minutes in the stirring process.
Test results: the obtained paint has no caking after being uniformly stirred, the primary painting appearance is normal, and the secondary painting appearance is smoother.
From comparison of experiment seven and experiment eight, it is clear that the amount of water added to the mixed powder is within a prescribed ratio range (20% to 30%), and the influence on the inorganic paint is small.
Experiment nine:
grinding yellow phosphorus slag into raw material powder with the particle size of-500 meshes, wherein the grinding time is 60 minutes;
mixing the raw material powder and the silica micro powder with the particle size of-1000 meshes in a ball mill to form mixed powder, wherein the mixing time is 20 minutes, and the mixing ratio is 1:1;
adding 20% of water by volume of the mixed powder into the mixed powder and stirring by using an industrial stirrer, wherein the rotation speed of the industrial stirrer is 300 rpm, and the stirring time is 30 minutes, so that the water and the mixed powder are uniformly mixed to form mixed solution;
adding an adhesive accounting for 20% of the volume of the mixed solution into the mixed solution, wherein the adhesive is water glass solution, the concentration is 20%, the modulus is 2.2-2.6, stirring is performed by using an industrial stirrer again, and the stirring time is 30 minutes when the rotating speed of the industrial stirrer is 300 revolutions per minute.
Test results: the obtained paint is not caked after being stirred uniformly, the paint is more viscous, the primary painting appearance is normal, and the secondary painting appearance is smoother.
Experiment ten:
grinding yellow phosphorus slag into raw material powder with the particle size of-500 meshes, wherein the grinding time is 60 minutes;
mixing the raw material powder and the silica micro powder with the particle size of-1000 meshes in a ball mill to form mixed powder, wherein the mixing time is 20 minutes, and the mixing ratio is 1:1;
adding 20% of water by volume of the mixed powder into the mixed powder and stirring by using an industrial stirrer, wherein the rotation speed of the industrial stirrer is 300 rpm, and the stirring time is 30 minutes, so that the water and the mixed powder are uniformly mixed to form mixed solution;
and adding 5% of adhesive into the mixed solution, wherein the adhesive is water glass solution, the concentration is 20%, the modulus is 2.2-2.6, and stirring is performed by using an industrial stirrer again, wherein the rotating speed of the industrial stirrer is 300 revolutions per minute, and the stirring time is 30 minutes in the stirring process.
Test results: the obtained paint has no caking after being uniformly stirred, the primary painting appearance is normal, and the secondary painting appearance is smoother.
Experiment eleven:
grinding yellow phosphorus slag into raw material powder with the particle size of-500 meshes, wherein the grinding time is 60 minutes;
mixing the raw material powder and the silica micro powder with the particle size of-1000 meshes in a ball mill to form mixed powder, wherein the mixing time is 20 minutes, and the mixing ratio is 1:1;
adding 20% of water by volume of the mixed powder into the mixed powder and stirring by using an industrial stirrer, wherein the rotation speed of the industrial stirrer is 300 rpm, and the stirring time is 30 minutes, so that the water and the mixed powder are uniformly mixed to form mixed solution;
adding an adhesive accounting for 2% of the volume of the mixed solution into the mixed solution, wherein the adhesive is water glass solution, the concentration is 20%, the modulus is 2.2-2.6, stirring is performed by using an industrial stirrer again, and the rotation speed of the industrial stirrer is 300 revolutions per minute and the stirring time is 30 minutes in the stirring process.
Test results: the obtained paint has no caking after being stirred uniformly, and has normal appearance after being painted once, but poor thermal stability and peeling and powder falling phenomena.
As can be seen from comparison of experiments IV and nine to eleven, the addition amount of the adhesive added into the mixed solution is preferably 5% -20%, the adhesive is used as the main component of the inorganic water paint, the content of the adhesive directly influences the adhesiveness and the spraying effect of the water paint, the content is too low, the wall-mounting effect is poor, and the peeling and the powder falling are easy; the content is too high, and the cost is correspondingly increased.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A method for preparing inorganic paint by yellow phosphorus slag is characterized in that: the method comprises the following steps:
grinding yellow phosphorus slag into raw material powder with the particle size of-200 meshes to-500 meshes;
adding water accounting for 20-30% of the volume of the raw material powder into the raw material powder, and uniformly stirring to form a mixed solution;
and adding an adhesive accounting for 5-20% of the volume of the mixed solution into the mixed solution, and stirring the mixed solution again to obtain the inorganic coating.
2. The method according to claim 1, characterized in that: before adding water into the raw material powder, mixing the raw material powder with silicon dioxide micro powder to form mixed powder, adding water accounting for 20% -30% of the volume of the mixed powder into the mixed powder, and uniformly stirring to form mixed liquid; the ratio of the raw material powder to the silicon dioxide micro powder is 1:1-1:3.
3. The method according to claim 2, characterized in that: the raw material powder and the silicon dioxide micro powder are mixed by adopting a ball mill, and the mixing time of the raw material powder and the silicon dioxide micro powder is 10 minutes to 30 minutes.
4. A method according to claim 3, characterized in that: the particle size of the silica micropowder is-500 meshes to-1000 meshes.
5. The method according to claim 4, wherein: the mixing of the mixed powder and the water is carried out by adopting an industrial stirrer, the rotating speed in the stirring process of the industrial stirrer is 300 revolutions per minute, and the mixing and stirring time of the mixed powder and the water is 20 minutes to 40 minutes.
6. The method according to claim 1, characterized in that: the binder is water glass solution, the concentration of the binder is 20%, and the modulus of the binder is 2.2-2.6.
7. The method according to claim 1, characterized in that: and after the adhesive is added into the mixed solution, an industrial stirrer is adopted, the rotating speed in the stirring process of the industrial stirrer is 300 revolutions per minute, and the stirring time is 20-40 minutes.
8. The method according to claim 1, characterized in that: the yellow phosphorus slag is ground by adopting a ball mill, and the grinding time is 60 minutes to 100 minutes.
9. The method according to claim 8, wherein: the particle size of the raw material powder is-500 meshes.
10. The method according to any one of claims 1 to 9, characterized in that: and adding toner into the inorganic paint for color matching.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050032454A (en) * | 2003-10-01 | 2005-04-07 | 최 석 봉 | A corrison resistant ceramic paint with industrial wastes and it's coating method. |
| KR20120111090A (en) * | 2011-03-31 | 2012-10-10 | 서명포 | The functional finishing material in interior for building construction by using the slag |
| CN107033643A (en) * | 2017-05-14 | 2017-08-11 | 郭舒洋 | A kind of method that utilization mud phosphorus prepares antirusting paint |
| CN111662580A (en) * | 2020-07-01 | 2020-09-15 | 山西中阳钢铁有限公司 | Environment-friendly inorganic coating produced by utilizing slag micro powder and preparation method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050032454A (en) * | 2003-10-01 | 2005-04-07 | 최 석 봉 | A corrison resistant ceramic paint with industrial wastes and it's coating method. |
| KR20120111090A (en) * | 2011-03-31 | 2012-10-10 | 서명포 | The functional finishing material in interior for building construction by using the slag |
| CN107033643A (en) * | 2017-05-14 | 2017-08-11 | 郭舒洋 | A kind of method that utilization mud phosphorus prepares antirusting paint |
| CN111662580A (en) * | 2020-07-01 | 2020-09-15 | 山西中阳钢铁有限公司 | Environment-friendly inorganic coating produced by utilizing slag micro powder and preparation method thereof |
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