CN113831113A - Blending process of quartz powder for ceramic production - Google Patents
Blending process of quartz powder for ceramic production Download PDFInfo
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- CN113831113A CN113831113A CN202111105385.4A CN202111105385A CN113831113A CN 113831113 A CN113831113 A CN 113831113A CN 202111105385 A CN202111105385 A CN 202111105385A CN 113831113 A CN113831113 A CN 113831113A
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- 238000002156 mixing Methods 0.000 title claims abstract description 177
- 239000000843 powder Substances 0.000 title claims abstract description 133
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 126
- 239000010453 quartz Substances 0.000 title claims abstract description 116
- 239000000919 ceramic Substances 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 42
- 230000008569 process Effects 0.000 title claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 37
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 44
- 229920006337 unsaturated polyester resin Polymers 0.000 claims abstract description 31
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 27
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 26
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000001035 drying Methods 0.000 claims abstract description 23
- 238000005096 rolling process Methods 0.000 claims abstract description 23
- 239000011863 silicon-based powder Substances 0.000 claims abstract description 20
- 239000002270 dispersing agent Substances 0.000 claims abstract description 18
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 16
- 238000009725 powder blending Methods 0.000 claims abstract description 14
- 238000012216 screening Methods 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 238000007781 pre-processing Methods 0.000 claims abstract description 6
- 239000004576 sand Substances 0.000 claims abstract description 6
- 239000004575 stone Substances 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 132
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 66
- 229910052742 iron Inorganic materials 0.000 claims description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 18
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 18
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 16
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 16
- 230000001376 precipitating effect Effects 0.000 claims description 13
- 238000001556 precipitation Methods 0.000 claims description 13
- 239000000126 substance Substances 0.000 claims description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 239000002244 precipitate Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000005303 weighing Methods 0.000 claims description 9
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Substances C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 7
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 6
- 239000011707 mineral Substances 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 238000005201 scrubbing Methods 0.000 claims description 6
- 235000019832 sodium triphosphate Nutrition 0.000 claims description 6
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical group OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 5
- 238000002386 leaching Methods 0.000 claims description 5
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 claims description 5
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 claims description 3
- 239000004482 other powder Substances 0.000 claims description 3
- 239000012778 molding material Substances 0.000 claims description 2
- 238000002791 soaking Methods 0.000 claims description 2
- 229910052845 zircon Inorganic materials 0.000 claims description 2
- 239000002245 particle Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 description 84
- 230000000694 effects Effects 0.000 description 7
- 229910052710 silicon Inorganic materials 0.000 description 7
- 239000010703 silicon Substances 0.000 description 7
- 239000004615 ingredient Substances 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 3
- 239000006004 Quartz sand Substances 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- KEQXNNJHMWSZHK-UHFFFAOYSA-L 1,3,2,4$l^{2}-dioxathiaplumbetane 2,2-dioxide Chemical compound [Pb+2].[O-]S([O-])(=O)=O KEQXNNJHMWSZHK-UHFFFAOYSA-L 0.000 description 1
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910001608 iron mineral Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 229910052604 silicate mineral Inorganic materials 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000009210 therapy by ultrasound Methods 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/14—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silica
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/62645—Thermal treatment of powders or mixtures thereof other than sintering
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- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
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- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
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- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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- C04B2235/38—Non-oxide ceramic constituents or additives
- C04B2235/3852—Nitrides, e.g. oxynitrides, carbonitrides, oxycarbonitrides, lithium nitride, magnesium nitride
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Abstract
The invention relates to the technical field of ceramic production, in particular to a quartz powder blending process for ceramic production, which comprises the following steps: preparing raw materials: 50-100 parts of quartz stone, 20-40 parts of hydrochloric acid, 10-20 parts of a reducing agent, 10-20 parts of a dispersing agent, 5-15 parts of zirconia, 20-30 parts of talcum powder, 5-15 parts of unsaturated polyester resin and 10-15 parts of elemental silicon powder, and S1, preprocessing, namely sorting the quartz powder, detecting the drying degree of the quartz powder by a drying degree tester, drying the quartz powder with humidity in a roller dryer until the surface humidity is reduced, and rolling the quartz powder in a sand particle shape by using a rolling machine; s2, screening and mixing: the quartz powder is rolled by a rolling machine and then screened, and the screened quartz powder is put into a blending device.
Description
Technical Field
The invention relates to the technical field of ceramic production, in particular to a quartz powder blending process for ceramic production.
Background
The quartz powder is also called silica powder, quartz sand is a silicate mineral with hardness, wear resistance and stable chemical property, the main mineral component is SiO2, the color of the quartz sand is milk white or colorless translucent, and the quartz powder is used for manufacturing glass, refractory materials, smelting ferrosilicon, coatings, rubber fillers, metallurgical fluxes, metal surface treatment and the like.
Chinese patent No. CN201810238670.5 provides a raw material blending process for producing ceramics, which comprises the following steps: selecting materials, putting the mixture into a first crusher for primary crushing, transferring the mixture passing through a screen of the first crusher into a composite crusher for fine crushing, collecting sieved materials, putting the sieved materials into a mixer, smelting, quenching with water to obtain a block glaze material, carrying out wet ball milling on the block glaze material, sieving to remove impurities to obtain a glaze slurry, and applying the glaze slurry on the surface of a blank.
In the quartz powder blending process for ceramic production, the quartz powder blending process is complex, the final effect of blending such as quartz powder after blending is poor, the hardness and toughness of ceramic are insufficient, the forming effect of ceramic is affected, and the purity of the blended powder needs to be improved, so that the quartz powder blending process for ceramic production needs to be researched and developed urgently.
Disclosure of Invention
The invention aims to provide a quartz powder blending process for ceramic production, which aims to solve the problems that the quartz powder blending process proposed in the background technology is complex, the final presentation effect of the ingredients is poor, the hardness and toughness of the ceramic are not enough, and the purity of the powder needs to be improved.
The technical scheme of the invention is as follows: a quartz powder blending process for ceramic production comprises the following steps:
preparing raw materials: 50-100 parts of quartz stone, 20-40 parts of hydrochloric acid, 10-20 parts of a reducing agent, 10-20 parts of a dispersing agent, 5-15 parts of zirconia, 20-30 parts of talcum powder, 5-15 parts of unsaturated polyester resin and 10-15 parts of elemental silicon powder.
S1, preprocessing, namely sorting quartz powder, detecting the drying degree of the quartz powder by a drying degree tester, drying the quartz powder with humidity in a roller dryer until the surface humidity is reduced, and rolling the quartz powder in a sand shape by using a rolling machine;
s2, screening and mixing: rolling quartz powder by a rolling machine, screening, and putting the screened quartz powder into a blending device;
s3, preliminary blending, namely continuously adding water in the process of adding quartz powder, mixing the water with the quartz powder, weighing zirconium oxide, and adding the zirconium oxide into blending equipment to obtain a blending material A;
s4, blending silicon powder: heating the single-substance silicon powder in the nitrogen-filled environment, treating for a period of time to obtain silicon nitride, and putting the silicon nitride into the blending equipment to obtain a blending material B;
s5, hardening and blending: adding talcum powder and unsaturated polyester resin into a blending material B in blending equipment, mixing and blending the talcum powder, the unsaturated polyester resin and the blending material B, controlling a certain temperature in blending, and then preparing a blending material C;
s6, blending and precipitating: precipitating and standing the obtained blending material C in a precipitation tank for a period of time to obtain a precipitate;
s7, ultrasonic scrubbing: removing iron from the precipitated quartz powder and other powder materials by ultrasonic waves, and adding and combining the powder materials with a dispersing agent while removing the iron;
s8, acid leaching and drying, namely dehydrating the comprehensive powder to obtain a ceramic production auxiliary material, soaking the auxiliary material into hydrochloric acid to decompose iron-containing minerals, adding a reducing agent, and baking for a period of time to obtain a molding material;
s9, forming the blending material, namely baking the blending material for a period of time to obtain a formed material, inspecting the surface of the formed material, and observing whether cracks exist on the outer part of the formed material after baking.
Further, in the step S2, the quartz powder is rolled and sieved by a 60-200 mesh sieve, and the sieved quartz powder is weighed and then put into a blending device.
Further, in S3, the mixing ratio of water and quartz powder is 1:5, and the equipment is prepared to rotate at a rotation speed of 20-60r/min for 1-3 minutes at a temperature of 40-70 ℃.
Further, in the step S3, 2-8 parts of zirconia is weighed and rotated at the rotating speed of 20-40r/min for 2-4 minutes to prepare the blending material A.
Further, the zirconia is zircon, and the unsaturated polyester resin is one of ortho-benzene type, meta-benzene type and neopentyl glycol type.
Further, in the step S4, the elemental silicon powder is heated to 1300-1400 ℃, and the blending material B obtained after the elemental silicon powder is processed for 5-7 hours is silicon nitride powder.
Further, in S5, the mixing ratio of the talcum powder, the unsaturated polyester resin and the blending material B is 3:2:5, and the blending temperature in the blending material C is 20-30 ℃.
Further, in the step S6, the blending material C is settled and kept stand for 10 to 24 hours in a settling tank, and the water in the settling tank is added at 2m3The precipitate is obtained after the removal at a rate of one minute.
Further, in the step S7, the ultrasonic iron removal time of the precipitated powder such as quartz powder is 10-15 minutes until the final iron removal rate is 35-70%, and the dispersant added during iron removal is sodium tripolyphosphate.
Further, in the step S8, the auxiliary material is immersed in hydrochloric acid, the weight ratio of the auxiliary material to the hydrochloric acid is 1:1.5, and the added reducing agent is sulfurous acid.
The invention provides a quartz powder blending process for ceramic production by improvement, and compared with the prior art, the quartz powder blending process has the following improvements and advantages:
(1) according to the invention, silicon nitride powder is obtained after treatment such as nitrogen blending and filling, the finally presented ceramic hardness is enhanced by adding quartz powder into the silicon nitride powder for blending, and the quality of subsequent ceramic production is more ideal by blending with various ingredients after quartz powder treatment.
(2) The unsaturated polyester resin is in an o-benzene type, can play a role in bonding and curing after being blended with quartz powder, improves the toughness of the ceramic, and is well held by a certain amount in the blending process, so that the forming effect of the ceramic material is better.
(3) According to the invention, iron substances in the powder materials such as quartz powder and the like are removed by ultrasonic scrubbing, and the dispersant sodium tripolyphosphate is added in the ultrasonic treatment, so that the iron removal efficiency can be effectively accelerated, and the requirement of higher purity of the powder materials such as quartz powder and the like is met.
(4) According to the invention, the auxiliary material is immersed into hydrochloric acid to decompose iron minerals, so that the production of the ceramic auxiliary material is facilitated, fine powder can be obtained by grinding and screening quartz powder in a blending process, zirconium oxide and quartz powder are blended and mixed, and the impact resistance of zirconium oxide is strong, so that the produced ceramic is wear-resistant.
Drawings
The invention is further explained below with reference to the figures and examples:
FIG. 1 is a first schematic flow diagram of the present invention;
FIG. 2 is a second flow chart of the present invention;
FIG. 3 is a third schematic flow chart of the present invention.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 3, and the technical solutions in the embodiments of the present invention will be clearly and completely described, 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.
Example one
A quartz powder blending process for ceramic production comprises the following steps:
preparing raw materials: 50 parts of quartz stone, 20 parts of hydrochloric acid, 10 parts of reducing agent, 10 parts of dispersing agent, 5 parts of zirconia, 20 parts of talcum powder, 5 parts of unsaturated polyester resin, 10 parts of elemental silicon powder, wherein the zirconia is zirconite, and the unsaturated polyester resin is m-benzene.
S1, preprocessing, namely sorting quartz powder, detecting the drying degree of the quartz powder by a drying degree tester, drying the quartz powder with humidity in a roller dryer until the surface humidity is reduced, and rolling the quartz powder in a sand shape by using a rolling machine;
s2, screening and mixing: rolling the quartz powder by a rolling machine, screening by a 80-mesh sieve, putting the screened quartz powder into a blending device, weighing the screened quartz powder, and putting the weighed quartz powder into the blending device;
s3, preliminary blending, namely continuously adding water in the process of adding quartz powder, mixing the water with the quartz powder, weighing zirconium oxide, adding the zirconium oxide into blending equipment to obtain a blended material A, wherein the mixing ratio of the water to the quartz powder is 1:5, the blending equipment rotates at the rotating speed of 30r/min for 1 minute at the temperature of 40 ℃, the weighed zirconium oxide accounts for 5 parts, and the mixed material A rotates at the rotating speed of 25r/min for 2 minutes to obtain the blended material A;
s4, blending silicon powder: heating single-substance silicon powder in an environment filled with nitrogen, treating for a period of time to obtain silicon nitride, putting the silicon nitride into the blending equipment to obtain blending material B, heating the powder of the single-substance silicon to 1300-1400 ℃, and treating the powder of the single-substance silicon for 6 hours to obtain the blending material B which is silicon nitride powder;
s5, hardening and blending: adding talcum powder and unsaturated polyester resin into a blending material B in blending equipment, mixing and blending the talcum powder, the unsaturated polyester resin and the blending material B, controlling a certain temperature in blending, and then preparing a blending material C, wherein the mixing ratio of the talcum powder, the unsaturated polyester resin and the blending material B is 3:2:5, and the blending temperature in the blending material C is 22 ℃;
s6, blending and precipitating: precipitating the obtained blending material C in a precipitation tank, standing for a period of time to obtain a precipitate, precipitating the blending material C in the precipitation tank, standing for 10 hr, and adding 2m of water into the precipitation tank3Discharging at a speed of one minute to obtain a precipitate;
s7, ultrasonic scrubbing: removing iron from the precipitated powder materials such as quartz powder by ultrasonic waves, adding the powder materials and a dispersing agent for combination while removing iron, wherein the ultrasonic iron removal time of the precipitated powder materials such as quartz powder is 10 minutes until the final iron removal rate is 45 percent, and the dispersing agent added during iron removal is sodium tripolyphosphate;
s8, acid leaching and drying, namely dehydrating the comprehensive powder to obtain a ceramic production auxiliary material, immersing the auxiliary material into hydrochloric acid to decompose the iron-containing mineral, adding a reducing agent, baking for a period of time to obtain a formed material, immersing the auxiliary material into the hydrochloric acid, wherein the weight ratio of the auxiliary material to the hydrochloric acid is 1:1.5, and the added reducing agent is sulfurous acid;
s9, forming the blending material, namely baking the blending material for a period of time to obtain a formed material, inspecting the surface of the formed material, and observing whether cracks exist on the outer part of the formed material after baking.
Example two
A quartz powder blending process for ceramic production comprises the following steps:
preparing raw materials: 80 parts of quartz stone, 30 parts of hydrochloric acid, 15 parts of reducing agent, 15 parts of dispersing agent, 10 parts of zirconia, 25 parts of talcum powder, 10 parts of unsaturated polyester resin, 12 parts of elemental silicon powder, wherein the zirconia is zirconite, and the unsaturated polyester resin is o-benzene.
S1, preprocessing, namely sorting quartz powder, detecting the drying degree of the quartz powder by a drying degree tester, drying the quartz powder with humidity in a roller dryer until the surface humidity is reduced, and rolling the quartz powder in a sand shape by using a rolling machine;
s2, screening and mixing: rolling the quartz powder by a rolling machine, screening by a 100-mesh sieve, putting the screened quartz powder into a blending device, weighing the screened quartz powder, and putting the weighed quartz powder into the blending device;
s3, preliminary blending, namely continuously adding water in the process of adding quartz powder, mixing the water with the quartz powder, weighing zirconium oxide, adding the zirconium oxide into blending equipment to obtain a blended material A, wherein the mixing ratio of the water to the quartz powder is 1:5, the blending equipment rotates at the rotating speed of 40r/min for 2 minutes at the temperature of 30 ℃, the weighed zirconium oxide accounts for 7 parts, and the blended material A rotates at the rotating speed of 30r/min for 3 minutes to prepare the blended material A;
s4, blending silicon powder: heating the single-substance silicon powder in an environment filled with nitrogen, treating for a period of time to obtain silicon nitride, putting the silicon nitride into the blending equipment to obtain blending material B, heating the powder of the single-substance silicon to 1350 ℃, and treating the powder of the single-substance silicon for 7 hours to obtain the blending material B which is the silicon nitride powder;
s5, hardening and blending: adding talcum powder and unsaturated polyester resin into a blending material B in blending equipment, mixing and blending the talcum powder, the unsaturated polyester resin and the blending material B, controlling a certain temperature in blending, and then preparing a blending material C, wherein the mixing ratio of the talcum powder, the unsaturated polyester resin and the blending material B is 3:2:5, and the blending temperature in the blending material C is 22 ℃;
s6, blending and precipitating: precipitating the obtained blending material C in a precipitation tank, standing for a period of time to obtain a precipitate, precipitating the blending material C in the precipitation tank, standing for 20 hr, and adding 2m of water into the precipitation tank3Discharging at a speed of one minute to obtain a precipitate;
s7, ultrasonic scrubbing: removing iron from the precipitated powder materials such as quartz powder by ultrasonic waves, adding the powder materials and a dispersing agent for combination while removing iron, wherein the ultrasonic iron removal time of the precipitated powder materials such as quartz powder is 12 minutes until the final iron removal rate is 55 percent, and the dispersing agent added during iron removal is sodium tripolyphosphate;
s8, acid leaching and drying, namely dehydrating the comprehensive powder to obtain a ceramic production auxiliary material, immersing the auxiliary material into hydrochloric acid to decompose the iron-containing mineral, adding a reducing agent, baking for a period of time to obtain a formed material, immersing the auxiliary material into the hydrochloric acid, wherein the weight ratio of the auxiliary material to the hydrochloric acid is 1:1.5, and the added reducing agent is sulfurous acid;
s9, forming the blending material, namely baking the blending material for a period of time to obtain a formed material, inspecting the surface of the formed material, and observing whether cracks exist on the outer part of the formed material after baking.
EXAMPLE III
A quartz powder blending process for ceramic production comprises the following steps:
preparing raw materials: 100 parts of quartz stone, 40 parts of hydrochloric acid, 20 parts of a reducing agent, 20 parts of a dispersing agent, 15 parts of zirconia, 30 parts of talcum powder, 15 parts of unsaturated polyester resin, 15 parts of elemental silicon powder, wherein the zirconia is zirconite, and the unsaturated polyester resin is neopentyl glycol type.
S1, preprocessing, namely sorting quartz powder, detecting the drying degree of the quartz powder by a drying degree tester, drying the quartz powder with humidity in a roller dryer until the surface humidity is reduced, and rolling the quartz powder in a sand shape by using a rolling machine;
s2, screening and mixing: rolling the quartz powder by a rolling machine, screening by a 180-mesh sieve, putting the screened quartz powder into a blending device, weighing the screened quartz powder, and putting the weighed quartz powder into the blending device;
s3, preliminary blending, namely continuously adding water in the process of adding quartz powder, mixing the water with the quartz powder, weighing zirconium oxide, adding the zirconium oxide into blending equipment to obtain a blended material A, wherein the mixing ratio of the water to the quartz powder is 1:5, the blending equipment rotates at the rotating speed of 45r/min for 1 minute at the temperature of 45 ℃, the weighed zirconium oxide accounts for 8 parts, and the blended material A rotates at the rotating speed of 35r/min for 2 minutes to prepare the blended material A;
s4, blending silicon powder: heating the single silicon powder in an environment filled with nitrogen, treating for a period of time to obtain silicon nitride, putting the silicon nitride into the blending equipment to obtain blending material B, heating the powder of the single silicon to 1400 ℃, and treating the powder of the single silicon for 6 hours to obtain the blending material B which is the silicon nitride powder;
s5, hardening and blending: adding talcum powder and unsaturated polyester resin into a blending material B in blending equipment, mixing and blending the talcum powder, the unsaturated polyester resin and the blending material B, controlling a certain temperature in blending, and then preparing a blending material C, wherein the mixing ratio of the talcum powder, the unsaturated polyester resin and the blending material B is 3:2:5, and the blending temperature in the blending material C is 25 ℃;
s6, blending and precipitating: precipitating the obtained blending material C in a precipitation tank, standing for a period of time to obtain a precipitate, precipitating the blending material C in the precipitation tank, standing for 24 hr, and adding 2m of water into the precipitation tank3Discharging at a speed of one minute to obtain a precipitate;
s7, ultrasonic scrubbing: removing iron from the precipitated powder materials such as quartz powder by ultrasonic waves, adding the powder materials and a dispersing agent for combination while removing iron, wherein the ultrasonic iron removal time of the precipitated powder materials such as quartz powder is 12 minutes until the final iron removal rate is 42 percent, and the dispersing agent added during iron removal is sodium tripolyphosphate;
s8, acid leaching and drying, namely dehydrating the comprehensive powder to obtain a ceramic production auxiliary material, immersing the auxiliary material into hydrochloric acid to decompose the iron-containing mineral, adding a reducing agent, baking for a period of time to obtain a formed material, immersing the auxiliary material into the hydrochloric acid, wherein the weight ratio of the auxiliary material to the hydrochloric acid is 1:1.5, and the added reducing agent is sulfurous acid;
s9, forming the blending material, namely baking the blending material for a period of time to obtain a formed material, inspecting the surface of the formed material, and observing whether cracks exist on the outer part of the formed material after baking.
The unsaturated polyester resins adopted in the first embodiment, the second embodiment and the third embodiment are different, the zirconium oxide weight, the simple substance silicon heating temperature, the ultrasonic iron removal time, the iron removal rate and the like are different, and other parameters are consistent, and the effect in the second embodiment is the best by comparing the finally obtained ceramic production auxiliary materials through experiments.
The working principle is as follows: the three groups of embodiments are obtained through experiments and preparation, the preparation and application used in the second embodiment have better effects, the second embodiment obtains the prepared ceramic production auxiliary material through preparation, the quartz powder and various ingredients are prepared to obtain better ceramic production powder, the quartz powder is rolled and sieved to make the powder finer, the quartz powder is more convenient to prepare before the preparation, silicon nitride, talcum powder and unsaturated polyester resin are mixed and prepared, wherein, the silicon nitride can increase the hardness of the ceramic, the unsaturated polyester resin and the quartz powder are prepared, the curing effect is better, the toughness of the ceramic is stronger, and in various preparation operations, the talcum powder, the unsaturated polyester resin and the ingredient B are mixed according to a proper proportion and prepared, and then the iron removal rate is improved after the operation of removing iron and adding a dispersant, and the purity of the obtained ceramic production auxiliary material is better, the effective exertion of ingredients of each part in the ceramic production is facilitated.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A quartz powder blending process for ceramic production is characterized by comprising the following steps:
preparing raw materials: 50-100 parts of quartz stone, 20-40 parts of hydrochloric acid, 10-20 parts of a reducing agent, 10-20 parts of a dispersing agent, 5-15 parts of zirconia, 20-30 parts of talcum powder, 5-15 parts of unsaturated polyester resin and 10-15 parts of elemental silicon powder;
s1, preprocessing, namely sorting quartz powder, detecting the drying degree of the quartz powder by a drying degree tester, drying the quartz powder with humidity in a roller dryer until the surface humidity is reduced, and rolling the quartz powder in a sand shape by using a rolling machine;
s2, screening and mixing: rolling quartz powder by a rolling machine, screening, and putting the screened quartz powder into a blending device;
s3, preliminary blending, namely continuously adding water in the process of adding quartz powder, mixing the water with the quartz powder, weighing zirconium oxide, and adding the zirconium oxide into blending equipment to obtain a blending material A;
s4, blending silicon powder: heating the single-substance silicon powder in the nitrogen-filled environment, treating for a period of time to obtain silicon nitride, and putting the silicon nitride into the blending equipment to obtain a blending material B;
s5, hardening and blending: adding talcum powder and unsaturated polyester resin into a blending material B in blending equipment, mixing and blending the talcum powder, the unsaturated polyester resin and the blending material B, controlling a certain temperature in blending, and then preparing a blending material C;
s6, blending and precipitating: precipitating and standing the obtained blending material C in a precipitation tank for a period of time to obtain a precipitate;
s7, ultrasonic scrubbing: removing iron from the precipitated quartz powder and other powder materials by ultrasonic waves, and adding and combining the powder materials with a dispersing agent while removing the iron;
s8, acid leaching and drying, namely dehydrating the comprehensive powder to obtain a ceramic production auxiliary material, soaking the auxiliary material into hydrochloric acid to decompose iron-containing minerals, adding a reducing agent, and baking for a period of time to obtain a molding material;
s9, forming the blending material, namely baking the blending material for a period of time to obtain a formed material, inspecting the surface of the formed material, and observing whether cracks exist on the outer part of the formed material after baking.
2. The blending process of the quartz powder for ceramic production according to claim 1, wherein the blending process comprises the following steps: in the S2, the quartz powder is rolled and sieved by a 60-200 mesh sieve, and the sieved quartz powder is weighed and then put into a blending device.
3. The blending process of the quartz powder for ceramic production according to claim 1, wherein the blending process comprises the following steps: in the S3, the mixing ratio of water and quartz powder is 1:5, and the equipment is prepared to rotate for 1-3 minutes at the rotating speed of 20-60r/min at the temperature of 40-70 ℃.
4. The blending process of the quartz powder for ceramic production according to claim 1, wherein the blending process comprises the following steps: and in the step S3, weighing 2-8 parts of zirconia, and rotating at the rotating speed of 20-40r/min for 2-4 minutes to prepare the blending material A.
5. The blending process of the quartz powder for ceramic production according to claim 1, wherein the blending process comprises the following steps: the zirconia is zircon, and the unsaturated polyester resin is one of ortho-benzene type, meta-benzene type and neopentyl glycol type.
6. The blending process of the quartz powder for ceramic production according to claim 1, wherein the blending process comprises the following steps: in the step S4, the single-substance silicon powder is heated to 1300-1400 ℃, and the blending material B is obtained after the single-substance silicon powder is treated for 5-7 hours.
7. The blending process of the quartz powder for ceramic production according to claim 1, wherein the blending process comprises the following steps: in the step S5, the mixing ratio of the talcum powder, the unsaturated polyester resin and the blending material B is 3:2:5, and the blending temperature in the blending material C is 20-30 ℃.
8. The blending process of the quartz powder for ceramic production according to claim 1, wherein the blending process comprises the following steps: in the step S6, the blending material C is precipitated and kept stand for 10 to 24 hours in a precipitation tank, and the water in the precipitation tank is added by 2m3The precipitate is obtained after the removal at a rate of one minute.
9. The blending process of the quartz powder for ceramic production according to claim 1, wherein the blending process comprises the following steps: in the S7, the ultrasonic deferrization time of the precipitated quartz powder and other powder materials is 10-15 minutes until the final deferrization rate is 35-70%, and the dispersant added during deferrization is sodium tripolyphosphate.
10. The blending process of the quartz powder for ceramic production according to claim 1, wherein the blending process comprises the following steps: in the step S8, the auxiliary material is immersed in hydrochloric acid, the weight ratio of the auxiliary material to the hydrochloric acid is 1:1.5, and the added reducing agent is sulfurous acid.
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