CN109279617A - A kind of chemical synthesis process of mica - Google Patents
A kind of chemical synthesis process of mica Download PDFInfo
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- CN109279617A CN109279617A CN201811277706.7A CN201811277706A CN109279617A CN 109279617 A CN109279617 A CN 109279617A CN 201811277706 A CN201811277706 A CN 201811277706A CN 109279617 A CN109279617 A CN 109279617A
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- raw material
- mica
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
- C01B33/36—Silicates having base-exchange properties but not having molecular sieve properties
- C01B33/38—Layered base-exchange silicates, e.g. clays, micas or alkali metal silicates of kenyaite or magadiite type
- C01B33/42—Micas ; Interstratified clay-mica products
Abstract
The invention discloses a kind of chemical synthesis process of mica, formula includes the raw material of following component: quartz 25-40%, magnesia 15-22%, alumina powder 10-15%, magnesium fluoride 7-12%, potassium fluosilicate 5-8%, potassium carbonate 2-6%, synthetic method is S1, the preparation of raw material；S2, the mixing of raw material；S3 is melted；S4, the taking-up of product；S5, storage is examined.The present invention synthesizes good synthetic fluoromica, and before synthetic mica by optimizing raw material formula, grinding and Screening Treatment are carried out to raw material, it is ensured that its fine and smooth degree, overall distribution is more uniform after mixing, the mica crystal that subsequent reactions are formed, ingredient is also more uniform, and product quality is high.
Description
Technical field
The present invention relates to the synthesis technical field of mica more particularly to a kind of chemical synthesis process of mica.
Background technique
The technology of traditional synthesis by internal resistance electric melting synthetic mica by the trial-production of decades, gropes and perfect, has been relatively
Mature technology.But its production technology falls behind relatively, and formula is single, and product quality is irregular, and product quality is extremely unstable, is
We have devised a kind of novel air pipe and cut plugging to solve problem above this.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of chemical synthesis of the mica proposed
Method.
To achieve the goals above, present invention employs following technical solutions:
A kind of composition of raw materials of mica, the raw material including following component: quartz 25-40%, magnesia 15-22%, alumina powder 10-
15%, magnesium fluoride 7-12%, potassium fluosilicate 5-8%, potassium carbonate 2-6%.
Preferably, the quartz 32%, magnesia 21%, alumina powder 14%, magnesium fluoride 10%, potassium fluosilicate 7%, potassium carbonate
5%。
A kind of chemical synthesis process of mica, which is characterized in that include the following steps,
S1, the preparation of raw material: after ingredient inspection is qualified, grinding 1-2h using grinder, and being ground to meeting partial size is 150-350 μm,
And screened using sieve, the raw material after screening is respectively put into spare in dry storage tank；
The mixing of raw material: S2 proportionally weighs raw material, the component of raw material are as follows: quartz 25-40%, magnesia 15-22%, oxidation
Aluminium powder 10-15%, magnesium fluoride 7-12%, potassium fluosilicate 5-8%, potassium carbonate 2-6%, and weighed raw material is put into mixing plant
In, 1-2h is stirred, mixed raw material is obtained；
S3 is melted: mixed raw material obtained in S2 is added in smelting furnace, and being powered, it is melted to carry out, and raw material is in a furnace by adding
Thermal decomposition, fusing gaseous volatilization and chemical reaction, glass melting temperature are 1500-2000 DEG C, after heat preservation 5~8 hours, are cooled to
1150~1450 DEG C, 1~3 hour is kept the temperature, subsequent temperature of smelting furnace Temperature fall, in temperature-fall period, gradually cooling crystallization in furnace, row
At mica crystal；
S4, the taking-up of product: blow-on punches in the region of interest of crystal, and injects expanding cement in its hole, makes crystal piecemeal
It splits, mica crystal can be taken out；
S5, it examines storage: crystal obtained in S4 being subjected to apparent inspection, is put into warehouse and stores after qualified.
Preferably, the smelting furnace in the S3 is the cydariform smelting furnace being built by refractory brick.
Preferably, the temperature that crystal takes out container in the S4 is not less than 40 DEG C.
Preferably, in the S5, the judgment criteria of product qualification be white color, not crisp, the smooth no shrinkage cavity in surface and
Stomata, impulse- free robustness.
The invention has the benefit that synthesizing good synthetic fluoromica by optimizing raw material formula, synthesize
Mica have compression strength and bending strength is good, hardness is big, and the advantage that breakdown strength is high；Before synthetic mica, to raw material
Carry out grinding and Screening Treatment, it is ensured that its fine and smooth degree, overall distribution is more uniform after mixing, the mica that subsequent reactions are formed
Crystal, ingredient is also more uniform, and product quality is high.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.
Embodiment one
A kind of chemical synthesis process of mica, which is characterized in that include the following steps,
The preparation of raw material: S1 after ingredient inspection is qualified, grinds 1h using grinder, being ground to meeting partial size is 150 μm, and is utilized
Sieve is screened, and the raw material after screening is respectively put into spare in dry storage tank；
The mixing of raw material: S2 proportionally weighs raw material, the component of raw material are as follows: quartz 25%, magnesia 15%, alumina powder
10%, magnesium fluoride 7%, potassium fluosilicate 5%, potassium carbonate 2%, and weighed raw material is put into mixing plant, 1h is stirred, is mixed
Close raw material；
S3 is melted: mixed raw material obtained in S2 is added in smelting furnace, and being powered, it is melted to carry out, and raw material is in a furnace by adding
Thermal decomposition, fusing gaseous volatilization and chemical reaction, glass melting temperature are 1500 DEG C, after heat preservation 5 hours, cool to 1150 DEG C, heat preservation
1 hour, subsequent temperature of smelting furnace Temperature fall, in temperature-fall period, gradually cooling crystallization in furnace, row was at mica crystal；
S4, the taking-up of product: blow-on punches in the region of interest of crystal, and injects expanding cement in its hole, makes crystal piecemeal
It splits, mica crystal can be taken out；
S5, it examines storage: crystal obtained in S4 being subjected to apparent inspection, is put into warehouse and stores after qualified.
Embodiment two
A kind of chemical synthesis process of mica, which is characterized in that include the following steps,
The preparation of raw material: S1 after ingredient inspection is qualified, grinds 1.2h using grinder, being ground to meeting partial size is 240 μm, and benefit
It is screened with sieve, the raw material after screening is respectively put into spare in dry storage tank；
The mixing of raw material: S2 proportionally weighs raw material, the component of raw material are as follows: quartz 28%, magnesia 18%, alumina powder
12%, magnesium fluoride 8%, potassium fluosilicate 5%, potassium carbonate 3%, and weighed raw material is put into mixing plant, 1.4h is stirred, is obtained
Mixed raw material；
S3 is melted: mixed raw material obtained in S2 is added in smelting furnace, and being powered, it is melted to carry out, and raw material is in a furnace by adding
Thermal decomposition, fusing gaseous volatilization and chemical reaction, glass melting temperature are 1600 DEG C, after heat preservation 6 hours, cool to 1250 DEG C, heat preservation
1.5 hours, subsequent temperature of smelting furnace Temperature fall, in temperature-fall period, gradually cooling crystallization in furnace, row was at mica crystal；
S4, the taking-up of product: blow-on punches in the region of interest of crystal, and injects expanding cement in its hole, makes crystal piecemeal
It splits, mica crystal can be taken out；
S5, it examines storage: crystal obtained in S4 being subjected to apparent inspection, is put into warehouse and stores after qualified.
Embodiment three
A kind of chemical synthesis process of mica, which is characterized in that include the following steps,
The preparation of raw material: S1 after ingredient inspection is qualified, grinds 1.4h using grinder, being ground to meeting partial size is 280 μm, and benefit
It is screened with sieve, the raw material after screening is respectively put into spare in dry storage tank；
The mixing of raw material: S2 proportionally weighs raw material, the component of raw material are as follows: quartz 32%, magnesia 19%, alumina powder
13%, magnesium fluoride 9%, potassium fluosilicate 4%, potassium carbonate 4%, and weighed raw material is put into mixing plant, 1.7h is stirred, is obtained
Mixed raw material；
S3 is melted: mixed raw material obtained in S2 is added in smelting furnace, and being powered, it is melted to carry out, and raw material is in a furnace by adding
Thermal decomposition, fusing gaseous volatilization and chemical reaction, glass melting temperature are 1700 DEG C, after heat preservation 6.5 hours, cool to 1350 DEG C, protect
Temperature 2 hours, subsequent temperature of smelting furnace Temperature fall, in temperature-fall period, gradually cooling crystallization in furnace, row is at mica crystal；
S4, the taking-up of product: blow-on punches in the region of interest of crystal, and injects expanding cement in its hole, makes crystal piecemeal
It splits, mica crystal can be taken out；
S5, it examines storage: crystal obtained in S4 being subjected to apparent inspection, is put into warehouse and stores after qualified.
Example IV
A kind of chemical synthesis process of mica, which is characterized in that include the following steps,
The preparation of raw material: S1 after ingredient inspection is qualified, grinds 1.6h using grinder, being ground to meeting partial size is 300 μm, and benefit
It is screened with sieve, the raw material after screening is respectively put into spare in dry storage tank；
The mixing of raw material: S2 proportionally weighs raw material, the component of raw material are as follows: quartz 36%, magnesia 20%, alumina powder
14%, magnesium fluoride 11%, potassium fluosilicate 7%, potassium carbonate 5%, and weighed raw material is put into mixing plant, 1.9h is stirred, is obtained
To mixed raw material；
S3 is melted: mixed raw material obtained in S2 is added in smelting furnace, and being powered, it is melted to carry out, and raw material is in a furnace by adding
Thermal decomposition, fusing gaseous volatilization and chemical reaction, glass melting temperature are 1800 DEG C, after heat preservation 7 hours, cool to 1400 DEG C, heat preservation
2.5 hours, subsequent temperature of smelting furnace Temperature fall, in temperature-fall period, gradually cooling crystallization in furnace, row was at mica crystal；
S4, the taking-up of product: blow-on punches in the region of interest of crystal, and injects expanding cement in its hole, makes crystal piecemeal
It splits, mica crystal can be taken out；
S5, it examines storage: crystal obtained in S4 being subjected to apparent inspection, is put into warehouse and stores after qualified.
Embodiment five
A kind of chemical synthesis process of mica, which is characterized in that include the following steps,
The preparation of raw material: S1 after ingredient inspection is qualified, grinds 2h using grinder, being ground to meeting partial size is 350 μm, and is utilized
Sieve is screened, and the raw material after screening is respectively put into spare in dry storage tank；
The mixing of raw material: S2 proportionally weighs raw material, the component of raw material are as follows: quartz 40%, magnesia 22%, alumina powder
15%, magnesium fluoride 12%, potassium fluosilicate 8%, potassium carbonate 2-6%, and weighed raw material is put into mixing plant, 2h is stirred, is obtained
To mixed raw material；
S3 is melted: mixed raw material obtained in S2 is added in smelting furnace, and being powered, it is melted to carry out, and raw material is in a furnace by adding
Thermal decomposition, fusing gaseous volatilization and chemical reaction, glass melting temperature are 2000 DEG C, after heat preservation 8 hours, cool to 1450 DEG C, heat preservation
3 hours, subsequent temperature of smelting furnace Temperature fall, in temperature-fall period, gradually cooling crystallization in furnace, row was at mica crystal；
S4, the taking-up of product: blow-on punches in the region of interest of crystal, and injects expanding cement in its hole, makes crystal piecemeal
It splits, mica crystal can be taken out；
S5, it examines storage: crystal obtained in S4 being subjected to apparent inspection, is put into warehouse and stores after qualified.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of composition of raw materials of mica, which is characterized in that the raw material including following component: quartz 25-40%, magnesia 15-
22%, alumina powder 10-15%, magnesium fluoride 7-12%, potassium fluosilicate 5-8%, potassium carbonate 2-6%.
2. a kind of composition of raw materials of mica according to claim 1, which is characterized in that the quartz 32%, magnesia
21%, alumina powder 14%, magnesium fluoride 10%, potassium fluosilicate 7%, potassium carbonate 5%.
3. a kind of chemical synthesis process of mica, which is characterized in that include the following steps,
S1, the preparation of raw material: after ingredient inspection is qualified, grinding 1-2h using grinder, and being ground to meeting partial size is 150-350 μm,
And screened using sieve, the raw material after screening is respectively put into spare in dry storage tank；
The mixing of raw material: S2 proportionally weighs raw material, the component of raw material are as follows: quartz 25-40%, magnesia 15-22%, oxygen
Change aluminium powder 10-15%, magnesium fluoride 7-12%, potassium fluosilicate 5-8%, potassium carbonate 2-6%, and weighed raw material is put into stirring
In equipment, 1-2h is stirred, mixed raw material is obtained；
S3 is melted: mixed raw material obtained in S2 is added in smelting furnace, and being powered, it is melted to carry out, and raw material is in a furnace by adding
Thermal decomposition, fusing gaseous volatilization and chemical reaction, glass melting temperature are 1500-2000 DEG C, after heat preservation 5~8 hours, cool to 1150
~1450 DEG C, 1~3 hour is kept the temperature, subsequent temperature of smelting furnace Temperature fall, in temperature-fall period, gradually cooling crystallization in furnace, row is at cloud
Mother crystal；
S4, the taking-up of product: blow-on punches in the region of interest of crystal, and injects expanding cement in its hole, makes crystal piecemeal
It splits, mica crystal can be taken out；
S5, it examines storage: crystal obtained in S4 being subjected to apparent inspection, is put into warehouse and stores after qualified.
4. a kind of chemical synthesis process of mica according to claim 3, which is characterized in that the smelting furnace in the S3 be by
The cydariform smelting furnace that refractory brick is built into.
5. a kind of chemical synthesis process of mica according to claim 3, which is characterized in that crystal, which takes out, in the S4 holds
The temperature of device is not less than 40 DEG C.
6. a kind of chemical synthesis process of mica according to claim 3, which is characterized in that in the S5, product is qualified
Judgment criteria be that color is white, not crisp, the smooth no shrinkage cavity in surface and stomata, impulse- free robustness.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811277706.7A CN109279617A (en) | 2018-10-30 | 2018-10-30 | A kind of chemical synthesis process of mica |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110980752A (en) * | 2019-07-25 | 2020-04-10 | 梅州市三宝光晶云母科技有限公司 | Preparation method of alkali metal-based fluorophlogopite sheet |
| CN111826717A (en) * | 2020-07-14 | 2020-10-27 | 广东三宝新材料科技股份有限公司 | Artificially synthesized black mica crystal and crystallization method thereof |
| CN111892063A (en) * | 2020-07-16 | 2020-11-06 | 江阴市友佳珠光云母有限公司 | Pretreatment method of artificially synthesized mica raw material |
-
2018
- 2018-10-30 CN CN201811277706.7A patent/CN109279617A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110980752A (en) * | 2019-07-25 | 2020-04-10 | 梅州市三宝光晶云母科技有限公司 | Preparation method of alkali metal-based fluorophlogopite sheet |
| CN111826717A (en) * | 2020-07-14 | 2020-10-27 | 广东三宝新材料科技股份有限公司 | Artificially synthesized black mica crystal and crystallization method thereof |
| CN111892063A (en) * | 2020-07-16 | 2020-11-06 | 江阴市友佳珠光云母有限公司 | Pretreatment method of artificially synthesized mica raw material |
| CN111892063B (en) * | 2020-07-16 | 2022-12-27 | 江阴市友佳珠光云母有限公司 | Pretreatment method of artificially synthesized mica raw material |
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Application publication date: 20190129 |