CN106145733B - A kind of burning colorful sand and its preparation process - Google Patents
A kind of burning colorful sand and its preparation process Download PDFInfo
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- CN106145733B CN106145733B CN201510140398.3A CN201510140398A CN106145733B CN 106145733 B CN106145733 B CN 106145733B CN 201510140398 A CN201510140398 A CN 201510140398A CN 106145733 B CN106145733 B CN 106145733B
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- 239000004576 sand Substances 0.000 title claims abstract description 52
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 97
- 239000000463 material Substances 0.000 claims abstract description 72
- 238000002844 melting Methods 0.000 claims abstract description 61
- 230000008018 melting Effects 0.000 claims abstract description 61
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 44
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims abstract description 44
- 239000002994 raw material Substances 0.000 claims abstract description 34
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims abstract description 26
- 239000001023 inorganic pigment Substances 0.000 claims abstract description 26
- 239000006004 Quartz sand Substances 0.000 claims abstract description 25
- 238000005245 sintering Methods 0.000 claims abstract description 24
- 229910052656 albite Inorganic materials 0.000 claims abstract description 22
- 229910021538 borax Inorganic materials 0.000 claims abstract description 22
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000004327 boric acid Substances 0.000 claims abstract description 22
- 229910001947 lithium oxide Inorganic materials 0.000 claims abstract description 22
- 229910000027 potassium carbonate Inorganic materials 0.000 claims abstract description 22
- 239000004328 sodium tetraborate Substances 0.000 claims abstract description 22
- 235000010339 sodium tetraborate Nutrition 0.000 claims abstract description 22
- 239000011787 zinc oxide Substances 0.000 claims abstract description 22
- RGPUVZXXZFNFBF-UHFFFAOYSA-K diphosphonooxyalumanyl dihydrogen phosphate Chemical compound [Al+3].OP(O)([O-])=O.OP(O)([O-])=O.OP(O)([O-])=O RGPUVZXXZFNFBF-UHFFFAOYSA-K 0.000 claims abstract description 17
- 239000000853 adhesive Substances 0.000 claims abstract description 16
- 230000001070 adhesive effect Effects 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 238000010791 quenching Methods 0.000 claims abstract description 11
- 230000000171 quenching effect Effects 0.000 claims abstract description 10
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 239000007864 aqueous solution Substances 0.000 claims abstract description 7
- 238000007599 discharging Methods 0.000 claims abstract description 6
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 claims description 21
- 239000010453 quartz Substances 0.000 claims description 21
- 238000002156 mixing Methods 0.000 claims description 20
- 238000000227 grinding Methods 0.000 claims description 19
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 12
- 229910019142 PO4 Inorganic materials 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 7
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- CJOBVZJTOIVNNF-UHFFFAOYSA-N cadmium sulfide Chemical compound [Cd]=S CJOBVZJTOIVNNF-UHFFFAOYSA-N 0.000 claims description 4
- 229910017052 cobalt Inorganic materials 0.000 claims description 4
- 239000010941 cobalt Substances 0.000 claims description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 4
- GXDVEXJTVGRLNW-UHFFFAOYSA-N [Cr].[Cu] Chemical group [Cr].[Cu] GXDVEXJTVGRLNW-UHFFFAOYSA-N 0.000 claims description 2
- WGLNLIPRLXSIEL-UHFFFAOYSA-N [Sn].[Cr] Chemical compound [Sn].[Cr] WGLNLIPRLXSIEL-UHFFFAOYSA-N 0.000 claims description 2
- HZEWFHLRYVTOIW-UHFFFAOYSA-N [Ti].[Ni] Chemical compound [Ti].[Ni] HZEWFHLRYVTOIW-UHFFFAOYSA-N 0.000 claims description 2
- 229910052793 cadmium Inorganic materials 0.000 claims description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims description 2
- UMUXBDSQTCDPJZ-UHFFFAOYSA-N chromium titanium Chemical compound [Ti].[Cr] UMUXBDSQTCDPJZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 229910021502 aluminium hydroxide Inorganic materials 0.000 abstract description 2
- 239000003086 colorant Substances 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 description 8
- 238000000576 coating method Methods 0.000 description 8
- 230000002159 abnormal effect Effects 0.000 description 5
- 239000010452 phosphate Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 4
- -1 frit Substances 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229910001679 gibbsite Inorganic materials 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention proposes a kind of burning colorful sand and its preparation processes, belong to artificial color sand field.Wherein, burning colorful sand, raw material include quartz sand according to weight ratio: frit material: inorganic pigment: adhesives 100:20:(0.1-5): 10；The raw material of frit material includes: quartzy 20-35%, aluminium hydroxide 3.5-6%, albite 10-15%, potassium carbonate 3-8%, lithia 0.5-3%, zinc oxide 1-5%, borax 5-15%, boric acid 15-30%, red lead 15-30% according to weight ratio；Adhesives is the aqueous solution of aluminium dihydrogen phosphate.The preparation process of above-mentioned burning colorful sand pours into quenching in cold water, grinds including melting the raw material Hybrid Heating of frit material；All raw materials are mixed again, is put into kiln and is sintered, discharging cooling.Made color sand various colors of the present invention, securely, sintering temperature is low, and intensity is high, and non-external force is will never fade.
Description
Technical Field
The invention relates to the field of artificial colored sand, in particular to sintered colored sand and a preparation process thereof.
Background
The sand textured coating has the characteristics of rich texture, strong stereoscopic impression, rich color and the like, the proportion of the sand textured coating in the exterior wall coating is increased, natural colored sand (the sand accounts for 80 percent in the real stone paint, the colored sand accounts for 20 percent of the total amount of the sand, and the paint consumption of each square of the real stone paint is 4-5 kilograms) which is used as a main raw material of the sand textured coating is exhausted, the supply is tight, the price is increased day by day, and the color batch is unstable.
The artificial colored sand is produced under the background, has the advantages of bright color, stable performance, rich texture, wide application and the like, is a perfect substitute of natural colored sand, is greatly developed at present, but has not firm enough color.
Disclosure of Invention
The invention provides sintered colored sand and a preparation process thereof, solves the problem that the color of the existing artificial colored sand is not firm enough, and effectively enhances the binding power of a glaze coating.
The technical scheme of the invention is realized as follows:
the sintered colored sand comprises the following raw materials in percentage by weight: melting block materials: inorganic pigment: the adhesive material is 100:20, (0.1-5) 10; the melting block comprises the following raw materials in percentage by weight: 20-35% of quartz, 3.5-6% of aluminum hydroxide, 10-15% of albite, 3-8% of potassium carbonate, 0.5-3% of lithium oxide, 1-5% of zinc oxide, 5-15% of borax, 15-30% of boric acid and 15-30% of red lead; mixing the raw materials, heating and melting, pouring the mixture into cold water for quenching, and finally grinding to obtain the fused block material; the bonding material is an aqueous solution of aluminum dihydrogen phosphate.
The invention also relates to a preparation process of the sintered colored sand, which comprises the following steps:
a. grinding quartz sand;
b. mixing 20-35% of quartz, 3.5-6% of aluminum hydroxide, 10-15% of albite, 3-8% of potassium carbonate, 0.5-3% of lithium oxide, 1-5% of zinc oxide, 5-15% of borax, 15-30% of boric acid and 15-30% of red lead, heating and melting, pouring into cold water for quenching, and finally grinding to obtain a melting material; the melting temperature is 680-900 ℃, and the melting time is 2-4 h; the fineness of the melting block material is 150-300 meshes;
c. mixing quartz sand, frit, inorganic pigment, and bonding material in a ratio of 100:20, (0.1-5) mixing and stirring 10 parts by weight, drying in hot air, sintering in a rotary kiln, discharging, and naturally cooling to obtain sintered colored sand; the sintering temperature is 650-900 ℃, and the sintering time is 2-4 h.
The invention has the beneficial effects that:
1. the sintering mechanism adopted by the invention has two sources of bonding action, namely, a consolidation action generated by forming a thin glaze layer on the surface of quartz sand after sintering glaze (namely, melting block material and inorganic pigment) and a chemical action generated by phosphate compound (namely, bonding material); the color sand is more firm in sintering by adopting double bonding action, a surface coating is not easy to drop, the color sand is rich and firm in color, low in sintering temperature and high in strength, and can never fade under non-external force, and the performance indexes of the color sand are shown in table 1.
TABLE 1
| Item | Detection standard | Test results |
| Water resistance | The color of the product can not fade after being soaked in water for 96 hours | No abnormal condition for 96h |
| Acid resistance | The color of the obtained product can not be faded in hydrochloric acid aqueous solution with pH of 2 for 48h | No abnormal condition for 48 hours |
| Alkali resistance | The color of the product can not be faded in calcium hydroxide solution with pH value of 12 for 48h | No abnormal condition for 48 hours |
| Shear resistant | The color of the laboratory high-speed dispersion machine can not fade after being stirred for 1 hour at 800rpm | 1h has no abnormal condition |
| Freeze-thaw resistance | Does not fade at-5 ℃ for 48h | No abnormal condition for 48 hours |
2. The effective sintering temperature of the invention is 650-900 ℃, compared with the traditional sintering process, the invention greatly reduces the sintering temperature, reduces the energy consumption, and also reduces the cost.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
In the embodiment, the sintered color sand comprises the following raw materials in percentage by weight: melting block materials: inorganic pigment: the adhesive material is 100:20, (0.1-5) 10; the melting block comprises the following raw materials in percentage by weight: 20-35% of quartz, 3.5-6% of aluminum hydroxide, 10-15% of albite, 3-8% of potassium carbonate, 0.5-3% of lithium oxide, 1-5% of zinc oxide, 5-15% of borax, 15-30% of boric acid and 15-30% of red lead; the adhesive material is an aqueous solution of aluminum dihydrogen phosphate.
Preferably, the mass concentration of the aluminum dihydrogen phosphate aqueous solution is 50% or more.
Preferably, the inorganic pigment is copper chromium black, cobalt blue, titanium chromium brown, titanium nickel yellow, cobalt green, chromium tin red, cadmium yellow, cadmium orange or cadmium violet.
Preferably, the fineness of the melting block is 100-300 meshes, and the fineness of the quartz sand is 10-60 meshes.
The invention also relates to a preparation process of the sintered colored sand, which comprises the following steps:
a. grinding quartz sand;
b. mixing 20-35% of quartz, 3.5-6% of aluminum hydroxide, 10-15% of albite, 3-8% of potassium carbonate, 0.5-3% of lithium oxide, 1-5% of zinc oxide, 5-15% of borax, 15-30% of boric acid and 15-30% of red lead, heating and melting, pouring into cold water for quenching, and finally grinding to obtain a melting material;
preferably, in the step b, the melting temperature is 680-900 ℃, and the melting time is 2-4 h; the grinding time is 2-5h, and the fineness of the obtained melting block material is 150-300 meshes;
c. mixing quartz sand, frit, inorganic pigment, and bonding material in a ratio of 100:20, (0.1-5) and 10, drying in hot air, sintering in a rotary kiln, discharging and naturally cooling to obtain the sintered colored sand.
In the above process, the frit material, the inorganic pigment and the bonding material form a colored coating.
Preferably, in step c, the sintering temperature is 650-900 ℃, and the sintering time is 2-4 h.
The preparation method of the aluminum dihydrogen phosphate comprises the following steps: phosphoric acid, aluminum hydroxide and water are subjected to oil bath reaction for 2 hours at the temperature of 120 ℃ in a weight ratio of 100:20:20 to obtain Al (H)2PO4)3The concentration of phosphoric acid used was 85%. Theoretically, the molar ratio of aluminum hydroxide to phosphoric acid is 1:3, but this ratio cannot be completely reacted in actual reaction, 100:20:20, the phosphoric acid is in excess so as to ensure the reaction to be complete and generate the aluminum dihydrogen phosphate.
The reaction process is as follows: 3H3PO4+Al(OH)3→Al(H2PO4)3+3H2O。
In step c, aluminum dihydrogen phosphate reacts at high temperature as follows:
during the heating process, a series of phosphate compounds are generated along with the increase of the temperature, so that the cohesive force of the material is changed from the self-adhesion into the chemical force, the colloidal phosphate is changed into crystalline phosphate, meanwhile, the colloidal phosphate and the frit in the coating are subjected to ceramic reaction, the strength of the sintered colored sand is further enhanced, and the final binding force is formed by the ceramic bonding effect of the frit and the phosphate.
The above raw materials are mixed in different proportions, and different examples can be constructed, specifically as follows.
Example 1
The sintered colored sand comprises the following raw materials in percentage by weight: melting block materials: inorganic pigment: the adhesive material is 100:20: 5: 10; the melting block comprises the following raw materials in percentage by weight: 20% of quartz, 4% of aluminum hydroxide, 13% of albite, 5% of potassium carbonate, 1% of lithium oxide, 2% of zinc oxide, 15% of borax, 23% of boric acid and 17% of red lead; the main component of the bonding material is aluminum dihydrogen phosphate.
The preparation process of the sintered colored sand comprises the following steps:
a. grinding quartz sand;
b. mixing quartz, aluminum hydroxide, albite, potassium carbonate, lithium oxide, zinc oxide, borax, boric acid and red lead, heating to 700 ℃ for melting for 3 hours, pouring into cold water for quenching, and finally grinding to obtain a melting material with the fineness of 300 meshes;
c. mixing quartz sand, melting materials, inorganic pigments and bonding materials in proportion, uniformly stirring, drying in hot air, sintering in a rotary kiln at 900 ℃ for 3h, and naturally cooling to obtain sintered colored sand.
Example 2
The sintered colored sand comprises the following raw materials in percentage by weight: melting block materials: inorganic pigment: the adhesive material is 100:20: 0.7: 10; the melting block comprises the following raw materials in percentage by weight: 28% of quartz, 6% of aluminum hydroxide, 10% of albite, 8% of potassium carbonate, 3% of lithium oxide, 5% of zinc oxide, 5% of borax, 15% of boric acid and 20% of red lead; the main component of the bonding material is aluminum dihydrogen phosphate.
The preparation process of the sintered colored sand comprises the following steps:
a. grinding quartz sand;
b. mixing quartz, aluminum hydroxide, albite, potassium carbonate, lithium oxide, zinc oxide, borax, boric acid and red lead, heating to 800 ℃, melting for 2 hours, pouring into cold water for quenching, and finally grinding to obtain a melting material with the fineness of 150 meshes;
c. mixing quartz sand, melting materials, inorganic pigments and bonding materials in proportion, uniformly stirring, drying in hot air, sintering in a rotary kiln at the sintering temperature of 650 ℃ for 4 hours, and discharging and naturally cooling to obtain the sintered colored sand.
Example 3
The sintered colored sand comprises the following raw materials in percentage by weight: melting block materials: inorganic pigment: the adhesive material is 100:20: 0.1: 10; the melting block comprises the following raw materials in percentage by weight: 35% of quartz, 3.5% of aluminum hydroxide, 15% of albite, 3% of potassium carbonate, 0.5% of lithium oxide, 1% of zinc oxide, 7% of borax, 20% of boric acid and 15% of red lead; the main component of the bonding material is aluminum dihydrogen phosphate.
The preparation process of the sintered colored sand comprises the following steps:
a. grinding quartz sand;
b. mixing quartz, aluminum hydroxide, albite, potassium carbonate, lithium oxide, zinc oxide, borax, boric acid and red lead, heating to 680 ℃ to melt for 4 hours, pouring into cold water to quench, and finally grinding to obtain a melting material with the fineness of 200 meshes;
c. mixing quartz sand, melting materials, inorganic pigments and bonding materials in proportion, uniformly stirring, drying in hot air, sintering in a rotary kiln at 800 ℃ for 2 hours, and naturally cooling the discharged material to obtain the sintered colored sand.
Example 4
The sintered colored sand comprises the following raw materials in percentage by weight: melting block materials: inorganic pigment: the adhesive material is 100:20: 1: 10; the melting block comprises the following raw materials in percentage by weight: 20% of quartz, 3.5% of aluminum hydroxide, 10% of albite, 3% of potassium carbonate, 0.5% of lithium oxide, 2% of zinc oxide, 8% of borax, 23% of boric acid and 30% of red lead; the main component of the bonding material is aluminum dihydrogen phosphate.
The preparation process of the sintered colored sand comprises the following steps:
a. grinding quartz sand;
b. mixing quartz, aluminum hydroxide, albite, potassium carbonate, lithium oxide, zinc oxide, borax, boric acid and red lead, heating to 900 ℃ for melting for 2 hours, pouring into cold water for quenching, and finally grinding to obtain a melting material with the fineness of 300 meshes;
c. mixing quartz sand, melting materials, inorganic pigments and bonding materials in proportion, uniformly stirring, drying in hot air, sintering in a rotary kiln at the sintering temperature of 700 ℃ for 3 hours, and discharging and naturally cooling to obtain the sintered colored sand.
Example 5
The sintered colored sand comprises the following raw materials in percentage by weight: melting block materials: inorganic pigment: the adhesive material is 100:20: 3: 10; the melting block comprises the following raw materials in percentage by weight: 22% of quartz, 5% of aluminum hydroxide, 11% of albite, 4% of potassium carbonate, 1% of lithium oxide, 3% of zinc oxide, 9% of borax, 30% of boric acid and 15% of red lead; the main component of the bonding material is aluminum dihydrogen phosphate.
The preparation process of the sintered colored sand comprises the following steps:
a. grinding quartz sand;
b. mixing quartz, aluminum hydroxide, albite, potassium carbonate, lithium oxide, zinc oxide, borax, boric acid and red lead, heating to 750 ℃, melting for 2.5 hours, pouring into cold water for quenching, and finally grinding to obtain a melting material with the fineness of 200 meshes;
c. mixing quartz sand, melting materials, inorganic pigments and bonding materials in proportion, uniformly stirring, drying in hot air, sintering in a rotary kiln at 800 ℃ for 4 hours, and naturally cooling the discharged material to obtain the sintered colored sand.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The sintered colored sand is characterized by comprising the following raw materials in parts by weight: melting block materials: inorganic pigment: the adhesive material is 100:20, (0.1-5) 10;
the melting block comprises the following raw materials in percentage by weight:
20-35% of quartz, 3.5-6% of aluminum hydroxide, 10-15% of albite, 3-8% of potassium carbonate, 0.5-3% of lithium oxide, 1-5% of zinc oxide, 5-15% of borax, 15-30% of boric acid and 15-30% of red lead; mixing the raw materials, heating and melting, pouring the mixture into cold water for quenching, and finally grinding to obtain the fused block material;
the bonding material is an aqueous solution of aluminum dihydrogen phosphate.
2. The sintered colored sand of claim 1, wherein the mass concentration of the aqueous solution of aluminum dihydrogen phosphate is 50% or more.
3. The sintered colored sand of claim 1, wherein the inorganic pigment is copper chromium black, cobalt blue, titanium chromium brown, titanium nickel yellow, cobalt green, chromium tin red, cadmium yellow, cadmium orange or cadmium violet.
4. The sintered colored sand as claimed in claim 1, wherein the fineness of the melting block material is 100-300 meshes, and the fineness of the quartz sand is 10-60 meshes.
5. The sintered colored sand of claim 1,
the raw materials comprise, by weight, quartz sand: melting block materials: inorganic pigment: the adhesive material is 100:20: 5: 10; the melting block comprises the following raw materials in percentage by weight: 20% of quartz, 4% of aluminum hydroxide, 13% of albite, 5% of potassium carbonate, 1% of lithium oxide, 2% of zinc oxide, 15% of borax, 23% of boric acid and 17% of red lead; or,
the raw materials comprise, by weight, quartz sand: melting block materials: inorganic pigment: the adhesive material is 100:20: 0.7: 10; the melting block comprises the following raw materials in percentage by weight: 28% of quartz, 6% of aluminum hydroxide, 10% of albite, 8% of potassium carbonate, 3% of lithium oxide, 5% of zinc oxide, 5% of borax, 15% of boric acid and 20% of red lead; or,
the raw materials comprise, by weight, quartz sand: melting block materials: inorganic pigment: the adhesive material is 100:20: 0.1: 10; the melting block comprises the following raw materials in percentage by weight: 35% of quartz, 3.5% of aluminum hydroxide, 15% of albite, 3% of potassium carbonate, 0.5% of lithium oxide, 1% of zinc oxide, 7% of borax, 20% of boric acid and 15% of red lead; or,
the raw materials comprise, by weight, quartz sand: melting block materials: inorganic pigment: the adhesive material is 100:20: 1: 10; the melting block comprises the following raw materials in percentage by weight: 20% of quartz, 3.5% of aluminum hydroxide, 10% of albite, 3% of potassium carbonate, 0.5% of lithium oxide, 2% of zinc oxide, 8% of borax, 23% of boric acid and 30% of red lead; or,
the raw materials comprise, by weight, quartz sand: melting block materials: inorganic pigment: the adhesive material is 100:20: 3: 10; the melting block comprises the following raw materials in percentage by weight: 22% of quartz, 5% of aluminum hydroxide, 11% of albite, 4% of potassium carbonate, 1% of lithium oxide, 3% of zinc oxide, 9% of borax, 30% of boric acid and 15% of red lead.
6. The process for preparing sintered colored sand according to any one of claims 1 to 5, which comprises the following steps:
a. grinding quartz sand;
b. mixing 20-35% of quartz, 3.5-6% of aluminum hydroxide, 10-15% of albite, 3-8% of potassium carbonate, 0.5-3% of lithium oxide, 1-5% of zinc oxide, 5-15% of borax, 15-30% of boric acid and 15-30% of red lead, heating and melting, pouring into cold water for quenching, and finally grinding to obtain a melting material; the melting temperature is 680-900 ℃, and the melting time is 2-4 h; the fineness of the melting block material is 150-300 meshes;
c. mixing the quartz sand, the frit block, the inorganic pigment, and the bonding material in a ratio of 100:20, (0.1-5) mixing and stirring uniformly 10 parts by weight, drying in hot air, sintering in a rotary kiln, discharging, and naturally cooling to obtain the sintered colored sand; the sintering temperature is 650-900 ℃, and the sintering time is 2-4 h.
7. The preparation process according to claim 6, wherein the main component of the bonding material is aluminum dihydrogen phosphate, and the preparation method of the aluminum dihydrogen phosphate comprises the following steps: phosphoric acid, aluminum hydroxide and water are subjected to oil bath reaction for 2 hours at the temperature of 120 ℃ in a weight ratio of 100:20:20 to obtain Al (H)2PO4)3The concentration of phosphoric acid used was 85%.
8. The preparation process according to claim 7, wherein in step c, aluminum dihydrogen phosphate reacts at high temperature as follows:
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| CN107445601A (en) * | 2017-08-23 | 2017-12-08 | 亚士漆(上海)有限公司 | Low temperature glaze burning colorful sand and preparation method thereof |
| CN107686375A (en) * | 2017-09-30 | 2018-02-13 | 江苏闽江矿业有限公司 | A kind of quartz sand medium temperature coloring process |
| CN110015864A (en) * | 2018-01-09 | 2019-07-16 | 广州芬得利建筑材料有限公司 | A kind of water-base resin base gap filler |
| CN109593417A (en) * | 2018-12-12 | 2019-04-09 | 亚士漆(上海)有限公司 | A kind of coating aggregate, coating and its preparation method and application |
| CN109734317A (en) * | 2019-03-21 | 2019-05-10 | 北京工业大学 | A kind of colored sand for construction, preparation method and application |
| CN114347244B (en) * | 2022-01-20 | 2024-09-17 | 河北久申防水建筑材料有限公司 | Calcined round color sand and manufacturing process thereof |
| CN115849753A (en) * | 2022-12-12 | 2023-03-28 | 成都迪泰化工有限公司 | Inorganic calcined color sand and preparation method and application thereof |
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