CN106317961A - Activated CaCO3 micro powder preparation method - Google Patents
Activated CaCO3 micro powder preparation method Download PDFInfo
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- CN106317961A CN106317961A CN201610686916.6A CN201610686916A CN106317961A CN 106317961 A CN106317961 A CN 106317961A CN 201610686916 A CN201610686916 A CN 201610686916A CN 106317961 A CN106317961 A CN 106317961A
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- mill
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- micropowder
- preparation
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/02—Compounds of alkaline earth metals or magnesium
- C09C1/021—Calcium carbonates
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/04—Physical treatment, e.g. grinding, treatment with ultrasonic vibrations
- C09C3/041—Grinding
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- Organic Chemistry (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The invention discloses an activated CaCO3 micro powder preparation method which comprises the following steps: (1) implementing ultrafine vibration grinding on CaCO3 powder, then carrying out cyclone classification and magnetic separation, and cleaning with high-purity water; (2) activating the CaCO3 powder cleaned by the high-purity water; (3) filter-pressing and drying after activation, and finally scattering to obtain an activated product. The activated CaCO3 micro powder preparation method is simple in operation, the production process is easy to control, the obtained activated CaCO3 micro powder is high in purity and small in particle diameter, and the quality index of products in different batches are more stable.
Description
Technical field
The present invention relates to a kind of CaCO3The preparation method of micropowder, particularly relates to a kind of activation CaCO3The preparation method of micropowder.
Background technology
Calcium carbonate is a kind of important industrial chemicals, has abundant raw material and is easy to get, and production technology is simple, and application performance is excellent
Etc. feature, it is widely used in the industry such as rubber, plastics, ink, papermaking, medicine, food as inorganic filler.
CaCO3Micropowder is a kind of tasteless, white powder of odorless, has unformed and two kinds of forms of crystal type.In atmosphere
Stable, there is slight moisture absorption ability, have preferable covering power.CaCO3Micropowder is to remove heavy metal, alkali metal, magnesium, barium and arsenic etc.
Harmful body material, has purity high, and grain diameter is thinner, not only eats, it is also possible to as adding ingredient, it is also possible to be used for
The closely knit filler of some timber, is used for processing furniture, has both added the intensity of timber, reduced again some heavy metals danger to human body
Evil.
Produce CaCO3Micropowder it is crucial that the impurity that removes in marble, therefore in addition to the purer raw material of selection, giving birth to
Each link produced all should reduce the pollution to product such as container, environment, chemical agent as far as possible, strictly operates.Therefore, obtain
Obtaining purity higher, the electron level calcium carbonate fine powder that granule is thinner, the improvement of production technology is crucial.
Summary of the invention
It is an object of the invention to design a kind of activation CaCO3The preparation method of micropowder, this activation CaCO3The preparation of micropowder
Method is simple to operate, and production process is easy to control；The purity of the activated calcium carbonate micropowder obtained is high, and grain diameter is little, and makes not
More stable with the product quality indicator between batch.
The technical solution used in the present invention is: a kind of activation CaCO3The preparation method of micropowder, comprises the following steps:
(1) first Paris white grinds through ultra-fine vibrations, the most again through cyclone classified and magnetic separation, then cleans with high purity water；
(2) Paris white cleaned through high purity water can carry out activation processing；
(3) carry out filter-press dehydration and drying after activation processing, finally break up and i.e. obtain biologically active prod.
In this step (1), ultra-fine vibrations are ground and are used dry method to mill the close circulation technology of air current classifying, including using
Vibrating mill and grading plant；Dry method is milled close circulation technology and the wet milling technics comparing of air current classifying, has life
Produce the advantages such as low cost, yield is high, technical process is easy to control.
The charging of vibrating mill uses the charging of WZG type oscillating feeder, it is ensured that the uniformity of charging, can prevent again dust
Discharge；The discharging opening of vibrating mill carries out sealing treatment, only stays blow vent, both can ensure the uniformity of charging, and can prevent again powder
The discharge of dirt.Grading plant uses sack cleaner and spraying and dust-removing system, and the air-introduced machine at sack cleaner exports increase by
Individual overfire air fan, introduces dust in spraying and dust-removing system, makes dust be taken away by the water of fine droplets.Through above-mentioned process, workshop powder
Dust concentration can reach the requirement of relevant national standard.
The cylinder volume 1-5 m of the ultra-fine vibrations mill in this step (1)3, mill feed size town 1-3 mm, ultra-fine vibrations
The amplitude of mill is 2-10 mm, and the power of motor of ultra-fine vibrations mill is 40-60 kw, ultra-fine vibrations mill firm
Beautiful ball charge ratio of media is 20-90 %, and the media load of ultra-fine vibrations mill is 1.0-5.0 t, ultra-fine vibrations mill
Yield be 0.5-0.9 t/h.
Cyclone classified in this step (1) is made up of grader, bagroom, blower fan, and key component therein is point
Level machine, grader is made up of nest shell and lower body, and the classification of material completes at this.Produced at grading wheel and air-introduced machine by dispersed material
Under the common effect of raw wind-force, fine grained therein is separated, grind Jie's specification and proportioning is: 10-20mm, granule accounts for
Ratio is 10-40%, and mass percent is 0.3-1.2 %.
Magnetic separation in this step (1) uses magnetic separator, and the parameter of magnetic separator is: voltage, 200-220V；Electromagnetic power 20-
40kw；The infinitely variable speeds of transmission power 1.5-4kw；Disk diameter 800-1600mm；The process conditions of magnetic separation are: magnetic flux density 1-
3T；Disc rotation speed 8-15r/min；Pulp density 15-30%；Processing speed 1-3m3/h.
High purity water in this step (2) cleans as repeatedly to wash with 1000-3000ml high purity water；Pressure in this step (3)
Filter dehydration is for using FHXB mono-l type high efficient full automatic pressure filter filter pressing, and the operating pressure of filter-press dehydration is 0.4-1.0MPa, stagnation pressure
Filtering surface amasss 80-150m.
Drying in this step (3) is for dry in electrical heating quartz exsiccator, and baking temperature is 110 1 150 DEG C,
Drying time, 2-5h, formed the moisture content of product less than 0.3%；Breaing up in described step (3) uses WXM 1 type beater
Depolymerization is reduced.
In sum, the activation CaCO of the present invention3The preparation method of micropowder is simple to operate, and production process is easy to control；Obtain
The purity of electron level calcium carbonate fine powder high, grain diameter is little, and makes the product quality indicator between different batches more stable.
Detailed description of the invention
By specific examples presented below, the present invention can be had a clear understanding of further.
Embodiment 1
A kind of electron level CaCO described by the present embodiment 13The preparation method of micropowder, comprises the following steps:
(first (1) Paris white grinds through ultra-fine vibrations, the most again through cyclone classified and magnetic separation, then cleans with high purity water；
(2) Paris white cleaned through high purity water can carry out activation processing；
(3) carry out filter-press dehydration and drying after activation processing, finally break up and i.e. obtain biologically active prod.
In this step (1), ultra-fine vibrations are ground and are used dry method to mill the close circulation technology of air current classifying, including using
Vibrating mill and grading plant；Dry method is milled close circulation technology and the wet milling technics comparing of air current classifying, has life
Produce the advantages such as low cost, yield is high, technical process is easy to control.
The charging of vibrating mill uses the charging of WZG type oscillating feeder, it is ensured that the uniformity of charging, can prevent again dust
Discharge；The discharging opening of vibrating mill carries out sealing treatment, only stays blow vent, both can ensure the uniformity of charging, and can prevent again powder
The discharge of dirt.Grading plant uses sack cleaner and spraying and dust-removing system, and the air-introduced machine at sack cleaner exports increase by
Individual overfire air fan, introduces dust in spraying and dust-removing system, makes dust be taken away by the water of fine droplets.Through above-mentioned process, workshop powder
Dust concentration can reach the requirement of relevant national standard.
The cylinder volume 1-5 m of the ultra-fine vibrations mill in this step (1)3, mill feed size town 1-3 mm, ultra-fine vibrations
The amplitude of mill is 2-10 mm, and the power of motor of ultra-fine vibrations mill is 40-60 kw, ultra-fine vibrations mill firm
Beautiful ball charge ratio of media is 20-90 %, and the media load of ultra-fine vibrations mill is 1.0-5.0 t, ultra-fine vibrations mill
Yield be 0.5-0.9 t/h.
Cyclone classified in this step (1) is made up of grader, bagroom, blower fan, and key component therein is point
Level machine, grader is made up of nest shell and lower body, and the classification of material completes at this.Produced at grading wheel and air-introduced machine by dispersed material
Under the common effect of raw wind-force, fine grained therein is separated, grind Jie's specification and proportioning is: 10-20mm, granule accounts for
Ratio is 10-40%, and mass percent is 0.3-1.2 %.
Magnetic separation in this step (1) uses magnetic separator, and the parameter of magnetic separator is: voltage, 200-220V；Electromagnetic power 20-
40kw；The infinitely variable speeds of transmission power 1.5-4kw；Disk diameter 800-1600mm；The process conditions of magnetic separation are: magnetic flux density 1-
3T；Disc rotation speed 8-15r/min；Pulp density 15-30%；Processing speed 1-3m3/h.
High purity water in this step (2) cleans as repeatedly to wash with 1000-3000ml high purity water；Pressure in this step (3)
Filter dehydration is for using FHXB mono-l type high efficient full automatic pressure filter filter pressing, and the operating pressure of filter-press dehydration is 0.4-1.0MPa, stagnation pressure
Filtering surface amasss 80-150m.
Drying in this step (3) is for dry in electrical heating quartz exsiccator, and baking temperature is 110 1 150 DEG C,
Drying time, 2-5h, formed the moisture content of product less than 0.3%；Breaing up in described step (3) uses WXM 1 type beater
Depolymerization is reduced.
Claims (7)
1. an activation CaCO3The preparation method of micropowder, it is characterised in that comprise the following steps:
(1) first Paris white grinds through ultra-fine vibrations, the most again through cyclone classified and magnetic separation, then cleans with high purity water；
(2) Paris white cleaned through high purity water can carry out activation processing；
(3) carry out filter-press dehydration and drying after activation processing, finally break up and i.e. obtain biologically active prod.
A kind of activation CaCO the most according to claim 13The preparation method of micropowder, it is characterised in that in described step (1)
Ultra-fine vibrations are ground and are used dry method to mill the close circulation technology of air current classifying, including using vibrating mill and grading plant；
The charging of vibrating mill uses the charging of WZG type oscillating feeder, it is ensured that the uniformity of charging, can prevent again the discharge of dust；Shake
The discharging opening of dynamic grinding machine carries out sealing treatment, only stays blow vent；Grading plant uses sack cleaner and spraying and dust-removing system,
The air-introduced machine outlet of sack cleaner increases an overfire air fan, dust is introduced in spraying and dust-removing system, makes dust by fine droplets
Water take away.
A kind of activation CaCO the most according to claim 23The preparation method of micropowder, it is characterised in that in described step (1)
The cylinder volume 1-5 m of ultra-fine vibrations mill3, mill feed size town 1-3 mm, the amplitude of ultra-fine vibrations mill is 2-
10 mm, the power of motor of ultra-fine vibrations mill is 40-60 kw, and the corundum ball charge ratio of media of ultra-fine vibrations mill is
20-90 %, the media load of ultra-fine vibrations mill is 1.0-5.0 t, and the yield of ultra-fine vibrations mill is 0.5-0.9
t/h 。
A kind of activation CaCO the most according to claim 33The preparation method of micropowder, it is characterised in that in described step (1)
Cyclone classified be made up of grader, bagroom, blower fan, the wind-force produced at grading wheel and air-introduced machine by dispersed material
Under common effect, fine grained therein is separated, grind Jie's specification and proportioning is: 10-20mm, the ratio that granule accounts for is 10-
40%, mass percent is 0.3-1.2 %.
A kind of activation CaCO the most according to claim 43The preparation method of micropowder, it is characterised in that in described step (1)
Magnetic separation use magnetic separator, the parameter of magnetic separator is: voltage, 200-220V；Electromagnetic power 20-40kw；Transmission power 1.5-4kw
Infinitely variable speeds；Disk diameter 800-1600mm；The process conditions of magnetic separation are: magnetic flux density 1-3T；Disc rotation speed 8-15r/min；
Pulp density 15-30%；Processing speed 1-3m3/h.
A kind of activation CaCO the most according to claim 53The preparation method of micropowder, it is characterised in that in described step (2)
High purity water clean for repeatedly to wash with 1000-3000ml high purity water；Filter-press dehydration in described step (3) is for using FHXB mono-
L type high efficient full automatic pressure filter filter pressing, the operating pressure of filter-press dehydration is 0.4-1.0MPa, and stagnation pressure filtering surface amasss 80-150m.
A kind of activation CaCO the most according to claim 63The preparation method of micropowder, it is characterised in that in described step (3)
Drying for dry in electrical heating quartz exsiccator, baking temperature is 110 1 150 DEG C, drying time 2-5h, formed produce
The moisture content of product is less than 0.3%；Employing WXM 1 type beater depolymerization of breaing up in described step (3) is reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610686916.6A CN106317961A (en) | 2016-08-19 | 2016-08-19 | Activated CaCO3 micro powder preparation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610686916.6A CN106317961A (en) | 2016-08-19 | 2016-08-19 | Activated CaCO3 micro powder preparation method |
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| Publication Number | Publication Date |
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| CN106317961A true CN106317961A (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610686916.6A Pending CN106317961A (en) | 2016-08-19 | 2016-08-19 | Activated CaCO3 micro powder preparation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109796035A (en) * | 2019-03-01 | 2019-05-24 | 燕卓君 | A kind of preparation method of calcium carbonate superfine powder |
-
2016
- 2016-08-19 CN CN201610686916.6A patent/CN106317961A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109796035A (en) * | 2019-03-01 | 2019-05-24 | 燕卓君 | A kind of preparation method of calcium carbonate superfine powder |
| CN109796035B (en) * | 2019-03-01 | 2021-04-23 | 湖南金箭新材料科技有限公司 | Preparation method of superfine calcium carbonate |
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| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170111 |
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| WD01 | Invention patent application deemed withdrawn after publication |