CN107377158A - A kind of fine grading method of Moist chemical synthesis mica powder - Google Patents
A kind of fine grading method of Moist chemical synthesis mica powder Download PDFInfo
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- CN107377158A CN107377158A CN201710608044.6A CN201710608044A CN107377158A CN 107377158 A CN107377158 A CN 107377158A CN 201710608044 A CN201710608044 A CN 201710608044A CN 107377158 A CN107377158 A CN 107377158A
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- mica powder
- acid solution
- chemical synthesis
- treatment fluid
- grading method
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/06—Jet mills
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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
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Abstract
The invention discloses a kind of fine grading method of Moist chemical synthesis mica powder, comprise the following steps：Mica ore is added in hydraulic fracture machine and fully crushed, obtains suspending liquid A；It is incubated after suspending liquid A is heated, then adds the first acid solution while stirring, obtains treatment fluid B；It is incubated after treatment fluid B is cooled, then adds the second acid solution while stirring, obtain treatment fluid C；Treatment fluid C is added in colloid mill, wet-milling obtains lapping liquid D；Lapping liquid D is added sequentially in grader and flotation device, carries out classification and flotation processing, then dries to constant weight and produces.A kind of fine grading method of Moist chemical synthesis mica powder proposed by the present invention, preparation technology is simple, equipment investment is small, safety and environmental protection, gained mica powder good luster, brightness are high, are smooth to the touch, its surface integrity is good, radius-thickness ratio is big, can be widely applied to superior cosmetics, high grade paint, pearlescent mica pigment and engineering plastics field, is worthy to be popularized.
Description
Technical field
The present invention relates to mica powder technical field, more particularly to a kind of fine grading method of Moist chemical synthesis mica powder.
Background technology
Mica powder is a kind of nonmetallic mineral, containing Multiple components, wherein mainly there is SiO2, content typically 49% or so,
Al2O3Content is 30% or so；Mica powder has good elasticity, toughness, insulating properties, high temperature resistant, acid and alkali-resistance, corrosion-resistant, attachment
The characteristics such as power is strong.Mica powder is a kind of excellent additive, is widely used in electrical equipment, welding rod, rubber, plastics, papermaking, oil
The industries such as paint, coating, pigment, ceramics, cosmetics, building material, purposes are extremely extensive.As superior cosmetics, high grade paint,
Pearlescent mica pigment and the functional filler in engineering plastics field, it is desirable to which mica powder possesses relatively thin mica flake, clearly rib
Side and big radius-thickness ratio, the pearl effect that could have been produced.It is cumbersome manufacturing process to be present in existing dry ground muscovite mica preparation technology,
Manufacture difficulty is larger, and the defects of being unfavorable for mass producing, and gained mica powder surface property is easily destroyed, and feel is coarse, light
Damp degree is low, and dispersiveness and tack are poor.Based on above statement, the present invention proposes a kind of fine grading of Moist chemical synthesis mica powder
Method.
The content of the invention
The invention aims to solve shortcoming present in prior art, and a kind of Moist chemical synthesis mica powder proposed
Fine grading method.
A kind of fine grading method of Moist chemical synthesis mica powder, comprises the following steps：
The excellent mica ore of S1, choicest quality, and mica ore is added in hydraulic fracture machine, utilize high pressure
Current fully crush 0.6~1h, obtain suspending liquid A；
S2, it is incubated after the suspending liquid A of gained in step S1 is heated into 85~98 DEG C, then adds the first acid solution, and with
220~250r/min rotating speed, 0.8~1.2h of stirring reaction, obtain treatment fluid B；
S3, the treatment fluid B of gained in step S2 is cooled to 68~75 DEG C of insulations, then adds the second acid solution, and with 220
~250r/min rotating speed, 0.8~1.2h of stirring reaction, obtain treatment fluid C；
S4, by step S3 gained treatment fluid C be added in colloid mill, 0.8~1.5h of wet-milling, peeled off and grinding at
Reason, obtains lapping liquid D；
S5, by step S4 gained lapping liquid D be added sequentially in grader and flotation device, carry out classification and flotation processing,
It is subsequently placed in 90~120 DEG C of high temperature oven, drying produces required mica powder of wet process to constant weight.
Preferably, the mass ratio of the mica ore in the step S1 and water is 1:3.2~5.5.
Preferably, the first acid solution in the step S2 is the phosphoric acid solution that concentration is 15~32%.
Preferably, the addition of the first acid solution is 6.4~8.2 times of suspending liquid A total amount in the step S2.
Preferably, the second acid solution in the step S3 is the hydrochloric acid solution that concentration is 6~12%.
Preferably, the addition of the second acid solution is 0.78~1.02 times of suspension B total amounts in the step S3.
The fine grading method of a kind of Moist chemical synthesis mica powder proposed by the present invention, using hydraulic fracture machine to high-quality mica
Ore is crushed, and mica miberal powder is refined twice from acid solution, finally carries out wet grinding, stage flotation
And high temperature drying processing, its preparation technology is simple, and equipment investment is small, and hydraulic fracture effectively avoids powder caused by Mechanical Crushing
Dustiness contaminates, safety and environmental protection, and gained mica powder good luster, brightness are high, are smooth to the touch, and its surface integrity is good, and radius-thickness ratio is big, and have
There are relatively thin mica flake, clearly seamed edge, can be widely applied to superior cosmetics, high grade paint, pearlescent mica pigment and work
Engineering plastics field, is worthy to be popularized.
Embodiment
The present invention is made with reference to specific embodiment further to explain.
Embodiment one
A kind of fine grading method of Moist chemical synthesis mica powder proposed by the present invention, comprises the following steps：
The excellent mica ore of S1, choicest quality, and mica ore is added in hydraulic fracture machine, add mica
The water that 4.3 times of ore, 0.8h is fully crushed using High-Pressure Water, obtains suspending liquid A；
S2, it is incubated after the suspending liquid A of gained in step S1 is heated into 92 DEG C, then 7.5 times of addition suspending liquid A total amount is dense
The phosphoric acid solution for 24% is spent, and with 240r/min rotating speed, stirring reaction 1h, obtains treatment fluid B；
S3, the treatment fluid B of gained in step S2 is cooled to 72 DEG C of insulations, then addition 0.85 times of suspension B total amounts is dense
The hydrochloric acid solution for 9% is spent, and with 240r/min rotating speed, stirring reaction 1h, obtains treatment fluid C；
S4, the treatment fluid C of gained in step S3 is added in colloid mill, wet-milling 1.2h is peeled off and milled processed, must be ground
Grinding fluid D；
S5, by step S4 gained lapping liquid D be added sequentially in grader and flotation device, carry out classification and flotation processing,
It is subsequently placed in 105 DEG C of high temperature oven, drying produces required mica powder of wet process to constant weight.
Embodiment two
A kind of fine grading method of Moist chemical synthesis mica powder proposed by the present invention, comprises the following steps：
The excellent mica ore of S1, choicest quality, and mica ore is added in hydraulic fracture machine, add mica
The water that 5.5 times of ore, 1h is fully crushed using High-Pressure Water, obtains suspending liquid A；
S2, it is incubated after the suspending liquid A of gained in step S1 is heated into 95 DEG C, then adds 8 times of concentration of suspending liquid A total amount
For 30% phosphoric acid solution, and with 250r/min rotating speed, stirring reaction 1.2h, obtain treatment fluid B；
S3, by step S2 gained treatment fluid B be cooled to 75 DEG C of insulations, then addition suspension B total amounts 1 times of concentration be
12% hydrochloric acid solution, and with 250r/min rotating speed, stirring reaction 1.2h, obtain treatment fluid C；
S4, the treatment fluid C of gained in step S3 is added in colloid mill, wet-milling 1.5h is peeled off and milled processed, must be ground
Grinding fluid D；
S5, by step S4 gained lapping liquid D be added sequentially in grader and flotation device, carry out classification and flotation processing,
It is subsequently placed in 120 DEG C of high temperature oven, drying produces required mica powder of wet process to constant weight.
Embodiment three
A kind of fine grading method of Moist chemical synthesis mica powder proposed by the present invention, comprises the following steps：
The excellent mica ore of S1, choicest quality, and mica ore is added in hydraulic fracture machine, add mica
The water that 3.2 times of ore, 0.6h is fully crushed using High-Pressure Water, obtains suspending liquid A；
S2, it is incubated after the suspending liquid A of gained in step S1 is heated into 85 DEG C, then 6.5 times of addition suspending liquid A total amount is dense
The phosphoric acid solution for 18% is spent, and with 220r/min rotating speed, stirring reaction 0.8h, obtains treatment fluid B；
S3, by step S2 gained treatment fluid B be cooled to 70 DEG C of insulations, then addition suspension B total amounts 0.8 times of concentration
For 6% hydrochloric acid solution, and with 220r/min rotating speed, stirring reaction 0.8h, obtain treatment fluid C；
S4, the treatment fluid C of gained in step S3 is added in colloid mill, wet-milling 1h is peeled off and milled processed, must be ground
Liquid D；
S5, by step S4 gained lapping liquid D be added sequentially in grader and flotation device, carry out classification and flotation processing,
It is subsequently placed in 90 DEG C of high temperature oven, drying produces required mica powder of wet process to constant weight.
Measure the particle diameter and radius-thickness ratio of Moist chemical synthesis mica powder prepared in the embodiment of the present invention one~tri- respectively, draw as
Lower result：
| Embodiment | One | Two | Three |
| Particle diameter（Mesh） | 325 | 340 | 332 |
| Radius-thickness ratio | ≧87.1 | ≧89.5 | ≧93 |
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto, it is any
Those familiar with the art the invention discloses technical scope in, technique according to the invention scheme and its invention
Design is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (6)
- A kind of 1. fine grading method of Moist chemical synthesis mica powder, it is characterised in that comprise the following steps：The excellent mica ore of S1, choicest quality, and mica ore is added in hydraulic fracture machine, utilize high pressure Current fully crush 0.6~1h, obtain suspending liquid A；S2, it is incubated after the suspending liquid A of gained in step S1 is heated into 85~98 DEG C, then adds the first acid solution, and with 220~250r/min rotating speed, 0.8~1.2h of stirring reaction, obtain treatment fluid B；S3, the treatment fluid B of gained in step S2 is cooled to 68~75 DEG C of insulations, then adds the second acid solution, and with 220 ~250r/min rotating speed, 0.8~1.2h of stirring reaction, obtain treatment fluid C；S4, by step S3 gained treatment fluid C be added in colloid mill, 0.8~1.5h of wet-milling, peeled off and grinding at Reason, obtains lapping liquid D；S5, by step S4 gained lapping liquid D be added sequentially in grader and flotation device, carry out classification and flotation processing, It is subsequently placed in 90~120 DEG C of high temperature oven, drying produces required mica powder of wet process to constant weight.
- A kind of 2. fine grading method of Moist chemical synthesis mica powder according to claim 1, it is characterised in that the step The mass ratio of mica ore and water in S1 is 1:3.2~5.5.
- A kind of 3. fine grading method of Moist chemical synthesis mica powder according to claim 1, it is characterised in that the step The first acid solution in S2 is the phosphoric acid solution that concentration is 15~32%.
- A kind of 4. fine grading method of Moist chemical synthesis mica powder according to claim 1, it is characterised in that the step The addition of the first acid solution is 6.4~8.2 times of suspending liquid A total amount in S2.
- A kind of 5. fine grading method of Moist chemical synthesis mica powder according to claim 1, it is characterised in that the step The second acid solution in S3 is the hydrochloric acid solution that concentration is 6~12%.
- A kind of 6. fine grading method of Moist chemical synthesis mica powder according to claim 1, it is characterised in that the step The addition of the second acid solution is 0.78~1.02 times of suspension B total amounts in S3.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710608044.6A CN107377158A (en) | 2017-07-24 | 2017-07-24 | A kind of fine grading method of Moist chemical synthesis mica powder |
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| CN201710608044.6A CN107377158A (en) | 2017-07-24 | 2017-07-24 | A kind of fine grading method of Moist chemical synthesis mica powder |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109319802A (en) * | 2018-11-01 | 2019-02-12 | 江阴市友佳珠光云母有限公司 | A kind of production technology of pearlescent material ultrathin synthetic mica powder |
| CN110330814A (en) * | 2019-07-25 | 2019-10-15 | 汕头市镇发珠光颜料有限公司 | A kind of grinding method of high-quality synthetic mica |
| CN114180593A (en) * | 2021-12-14 | 2022-03-15 | 滁州格锐矿业有限责任公司 | Highlight synthetic mica powder for cosmetics and preparation process thereof |
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| JP2007254188A (en) * | 2006-03-22 | 2007-10-04 | Meiki Shu | Method for producing acid-expandable mica |
| CN101391871A (en) * | 2007-09-18 | 2009-03-25 | 晟茂（青岛）先进材料有限公司 | Method for preparing high purity quartz sand |
| CN102659129A (en) * | 2012-05-04 | 2012-09-12 | 杨修直 | Method for preparing ultrathin synthetic mica crystal powder |
| RU2462415C1 (en) * | 2011-03-02 | 2012-09-27 | Валентин Николаевич Терехов | Charge mixture for smelting mica |
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| CN101391871A (en) * | 2007-09-18 | 2009-03-25 | 晟茂（青岛）先进材料有限公司 | Method for preparing high purity quartz sand |
| RU2462415C1 (en) * | 2011-03-02 | 2012-09-27 | Валентин Николаевич Терехов | Charge mixture for smelting mica |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109319802A (en) * | 2018-11-01 | 2019-02-12 | 江阴市友佳珠光云母有限公司 | A kind of production technology of pearlescent material ultrathin synthetic mica powder |
| CN109319802B (en) * | 2018-11-01 | 2020-06-26 | 江阴市友佳珠光云母有限公司 | Production process of ultrathin synthetic mica powder for pearlescent material |
| CN110330814A (en) * | 2019-07-25 | 2019-10-15 | 汕头市镇发珠光颜料有限公司 | A kind of grinding method of high-quality synthetic mica |
| CN110330814B (en) * | 2019-07-25 | 2021-05-11 | 汕头市镇发珠光颜料有限公司 | Grinding method of high-quality synthetic mica |
| CN114180593A (en) * | 2021-12-14 | 2022-03-15 | 滁州格锐矿业有限责任公司 | Highlight synthetic mica powder for cosmetics and preparation process thereof |
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Application publication date: 20171124 |