CN105778567A - Preparing method for composite calcium carbonate - Google Patents
Preparing method for composite calcium carbonate Download PDFInfo
- Publication number
- CN105778567A CN105778567A CN201610218762.8A CN201610218762A CN105778567A CN 105778567 A CN105778567 A CN 105778567A CN 201610218762 A CN201610218762 A CN 201610218762A CN 105778567 A CN105778567 A CN 105778567A
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- CN
- China
- Prior art keywords
- calcium carbonate
- product
- composite calcium
- preparing method
- composite
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Classifications
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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
- C09C1/022—Treatment with inorganic compounds
-
- 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
- C09C3/006—Combinations of treatments provided for in groups C09C3/04 - C09C3/12
-
- 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
-
- 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
- C09C3/10—Treatment with macromolecular organic compounds
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
The invention discloses a preparing method for composite calcium carbonate.The preparing method comprises the steps that firstly, qualified limestone is put into a calcinator, 3.6-3.9 Mpa superheated steam is introduced, the pressure intensity in the calcinator is reduced to 2.3-3.1 Mpa through an adjusting valve, and heating is carried out to digest the limestone; secondly, foreign particles in a calcination product are removed through multi-stage separation, and calcium hydroxide suspension is obtained and diluted to 1.5-4.5 mol/L; thirdly, sufficient carbon monoxide gas is introduced, and a crystal forming agent is added until complete carbonization is achieved; fourthly, by weight, 30-70% of the product obtained in the third step, 3-25% of metal oxide sol, 40-70% of water and 0.5-5.5% of a grinding dispersing agent are mixed, stirred and ground, and organic coating is achieved on the surface of ground calcium carbonate in powder; fifthly, the product obtained in the fourth step is subjected to dehydration, drying and surface treatment, and then composite calcium carbonate is obtained.The preparing method has the advantages that the obtained end product is excellent in quality, and the yield is high.
Description
Technical field
The present invention relates to the preparation method of a kind of composite calcium carbonate, belong to the preparation of the carbonate of calcium
Technical field.
Background technology
Calcium carbonate is a kind of inorganic compound, CaCO3Be commonly called as: lime stone, limestone, stone powder,
Marble etc..Main component: calcite, is a kind of compound, and chemical formula is CaCO3, in
Neutrality, is substantially insoluble in, and is dissolved in hydrochloric acid.It is Common materials on the earth, is present in graupel
In the rocks such as stone, calcite, Chalk, limestone, marble, Tufa, it also it is animal bone
Bone or the main component of shell.Calcium carbonate is important construction material, and industrial purposes is the widest.
Calcium carbonate is combined by calcium ion and carbanion and generates, thus be calcium salt be also carbonic acid
Salt.
Summary of the invention
The technical problem to be solved in the present invention is to provide the preparation method of a kind of composite calcium carbonate.
The present invention is achieved through the following technical solutions.
A kind of preparation method of composite calcium carbonate, step includes:
(1) limestone qualified for quality is inserted in calcining furnace, be passed through 3.6-3.9Mpa overheated
Steam, the pressure in calcining furnace is reduced to 2.3～3.1MPa, carries out heating and make stone by regulation valve
Lime stone digests；
(2) multiple stage separation removes the impurity particle of calcined material, obtains calcium hydroxide suspension also
It is diluted to 1.5-4.5mol/L；
(3) it is passed through enough CO (carbon monoxide converter) gas, and adds into brilliant agent until carbonization is complete,
Brilliant agent is become to include 10%-20% ethylene glycol, OPEO by mass percentage
5%-10%, dibenzyl cumenyl phenol 1%-5%, double, tributyl phenol polyoxyethylene ether
1%-5%, gelatin 30%-50%, triethanolamine 10%-20%, glycerin polyoxyethylene ether polyoxy
Propylene ether fatty acid ester 10%-15%, sodium alklyarylsulfonate 10%-15%；
(4) by weight percentage, by 30%～70% (3) product obtained, 3%～
25% metal oxide sol, 40%～70% water, 0.5%～5.5% grinding distribution agent mixing
Agitation grinding, the ground calcium carbonate surface in powder body is by inorganic coating, and coating thickness is 0-300
Interior rice, wherein the particle diameter of metal oxide sol is not more than 50 nanometers, and grinding distribution agent is chosen
Polycarboxylic acids or polyacrylic acid or sodium polyacrylate；
(5) product that (4) obtain was entered dehydration, be dried, surface process after be combined
Calcium carbonate.
Further, (1) heating and temperature control is at 800 DEG C-1200 DEG C.
Further, the product that (1) is first obtained before multiple stage separation removes calcined material by (2)
Pulverize.
Further, the pulverizing of (2): the float (1) obtained sends into high-speed cutting powder
Broken machine, by rotational speed regulation to 6000-7000 rev/min, is crushed to particle diameter in 50 μm
Below.
Further, (2) multiple stage separation uses the operation of multistage rotary filter press.
Beneficial effects of the present invention:
The selection becoming brilliant agent is more fitted whole technological process, got to the crystallization control that selection is definite
Preparation controls the effect of calcium carbonate granule pattern, it is thus achieved that end product quality is outstanding, yield rate
Height, environmental pollution impact simultaneously is little, and technological effect is preferable.
Detailed description of the invention
Below according to embodiment, the present invention is described in further detail.
Case study on implementation 1:
The preparation method of composite calcium carbonate, step includes:
(1) limestone qualified for quality is inserted in calcining furnace, is passed through 3.7Mpa superheated steam,
Pressure in calcining furnace is reduced to 2.5MPa by regulation valve, carries out heating and makes lime carbonate slaking,
Heating and temperature control is at 800 DEG C-1200 DEG C；
(2) product first (1) obtained is pulverized, and the float (1) obtained sends into height
Speed cutting mill, by rotational speed regulation to 6000-7000 rev/min, is crushed to particle diameter and is existed
Below 50 μm, multistage rotary filter press removes the impurity particle of calcined material, obtains calcium hydroxide and hangs
Supernatant liquid is also diluted to 4.0mol/L；
(3) it is passed through enough CO (carbon monoxide converter) gas, and adds into brilliant agent until carbonization is complete,
Brilliant agent is become to include 15% ethylene glycol, OPEO 8%, dibenzyl by mass percentage
Base cumenyl phenol 3%, double, tributyl phenol polyoxyethylene ether 4%, gelatin 33%, three second
Hydramine 15%, glycerin polyoxyethylene ether polyoxypropylene ether fatty acid ester 10%, alkylaryl sulphur
Acid sodium 12%；
(4) by weight percentage, by 30%～70% (3) product obtained, 3%～
25% metal oxide sol, 40%～70% water, 0.5%～5.5% grinding distribution agent mixing
Agitation grinding, the ground calcium carbonate surface in powder body is by inorganic coating, and coating thickness is 0-300
Interior rice, wherein the particle diameter of metal oxide sol is not more than 50 nanometers, and grinding distribution agent is chosen
Polycarboxylic acids or polyacrylic acid or sodium polyacrylate；
(5) product that (4) obtain was entered dehydration, be dried, surface process after be combined
Calcium carbonate.
Case study on implementation 2:
The preparation method of composite calcium carbonate, step includes:
(1) limestone qualified for quality is inserted in calcining furnace, is passed through 3.8Mpa superheated steam,
Pressure in calcining furnace is reduced to 3.0MPa by regulation valve, carries out heating and makes lime carbonate slaking,
Heating and temperature control is at 800 DEG C-1200 DEG C；
(2) product first (1) obtained is pulverized, and the float (1) obtained sends into height
Speed cutting mill, by rotational speed regulation to 6000-7000 rev/min, is crushed to particle diameter and is existed
Below 50 μm, multistage rotary filter press removes the impurity particle of calcined material, obtains calcium hydroxide and hangs
Supernatant liquid is also diluted to 4.0mol/L；
(3) it is passed through enough CO (carbon monoxide converter) gas, and adds into brilliant agent until carbonization is complete,
Brilliant agent is become to include 13% ethylene glycol, OPEO 10%, two by mass percentage
Benzyl cumenyl phenol 5%, double, tributyl phenol polyoxyethylene ether 4%, gelatin 31%, three
Ethanolamine 10%, glycerin polyoxyethylene ether polyoxypropylene ether fatty acid ester 15%, alkylaryl
Sodium sulfonate 12%；
(4) by weight percentage, by 30%～70% (3) product obtained, 3%～
25% metal oxide sol, 40%～70% water, 0.5%～5.5% grinding distribution agent mixing
Agitation grinding, the ground calcium carbonate surface in powder body is by inorganic coating, and coating thickness is 0-300
Interior rice, wherein the particle diameter of metal oxide sol is not more than 50 nanometers, and grinding distribution agent is chosen
Polycarboxylic acids or polyacrylic acid or sodium polyacrylate；
(5) product that (4) obtain was entered dehydration, be dried, surface process after be combined
Calcium carbonate.
Above-described embodiment, only for technology design and the feature of the explanation present invention, its object is to allow ripe
The personage knowing this art will appreciate that present invention and is carried out, and can not limit with this
Protection scope of the present invention processed.All equivalences made according to spirit of the invention change or repair
Decorations, all should contain within the scope of the present invention.
Claims (5)
1. the preparation method of a composite calcium carbonate, it is characterised in that step includes:
(1) limestone qualified for quality is inserted in calcining furnace, be passed through 3.6-3.9Mpa overheated
Steam, the pressure in calcining furnace is reduced to 2.3～3.1MPa, carries out heating and make stone by regulation valve
Lime stone digests；
(2) multiple stage separation removes the impurity particle of calcined material, obtains calcium hydroxide suspension also
It is diluted to 1.5-4.5mol/L；
(3) it is passed through enough CO (carbon monoxide converter) gas, and adds into brilliant agent until carbonization is complete,
Brilliant agent is become to include 10%-20% ethylene glycol, OPEO by mass percentage
5%-10%, dibenzyl cumenyl phenol 1%-5%, double, tributyl phenol polyoxyethylene ether
1%-5%, gelatin 30%-50%, triethanolamine 10%-20%, glycerin polyoxyethylene ether polyoxy
Propylene ether fatty acid ester 10%-15%, sodium alklyarylsulfonate 10%-15%；
(4) by weight percentage, by 30%～70% (3) product obtained, 3%～
25% metal oxide sol, 40%～70% water, 0.5%～5.5% grinding distribution agent mixing
Agitation grinding, the ground calcium carbonate surface in powder body is by inorganic coating, and coating thickness is 0-300
Interior rice, wherein the particle diameter of metal oxide sol is not more than 50 nanometers, and grinding distribution agent is chosen
Polycarboxylic acids or polyacrylic acid or sodium polyacrylate；
(5) product that (4) obtain was entered dehydration, be dried, surface process after be combined
Calcium carbonate.
Composite calcium carbonate the most according to claim 1, it is characterised in that (1) heating-up temperature
Control at 800 DEG C-1200 DEG C.
3. profit requires the composite calcium carbonate described in 1, it is characterised in that (2) remove in multiple stage separation
The product first (1) obtained before calcined material is pulverized.
4. profit requires the composite calcium carbonate described in 1, it is characterised in that pulverizing (2): by (1)
The float obtained sends into high-speed cutting pulverizer, by rotational speed regulation to 6000-7000 rev/min
Clock, is crushed to particle diameter below 50 μm.
5. profit requires the composite calcium carbonate described in 1, it is characterised in that (2) multiple stage separation uses many
The operation of level rotary filter press.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610218762.8A CN105778567A (en) | 2016-04-07 | 2016-04-07 | Preparing method for composite calcium carbonate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610218762.8A CN105778567A (en) | 2016-04-07 | 2016-04-07 | Preparing method for composite calcium carbonate |
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| Publication Number | Publication Date |
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| CN105778567A true CN105778567A (en) | 2016-07-20 |
Family
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| CN201610218762.8A Pending CN105778567A (en) | 2016-04-07 | 2016-04-07 | Preparing method for composite calcium carbonate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107446384A (en) * | 2017-08-10 | 2017-12-08 | 青阳县永诚钙业有限责任公司 | A kind of preparation method of composite calcium carbonate |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101456969A (en) * | 2008-12-29 | 2009-06-17 | 南京协和化学有限公司 | Functional calcium carbonate and method for producing the same |
| CN101570343A (en) * | 2009-06-11 | 2009-11-04 | 福建省万旗非金属材料有限公司 | Method for preparing nanometer calcium carbonate special for water soluble ink by wet method |
| CN101914311A (en) * | 2010-07-30 | 2010-12-15 | 浙江常山金雄有限公司 | Calcium carbonate surface modifying method |
| CN103013181A (en) * | 2012-11-27 | 2013-04-03 | 宜兴天力化工纳米科技有限公司 | Surface treatment method of nano calcium carbonate |
| CN103897433A (en) * | 2012-12-26 | 2014-07-02 | 上海华明高技术（集团）有限公司 | Calcium carbonate-modifier composition and calcium carbonate surface modification method using the same |
-
2016
- 2016-04-07 CN CN201610218762.8A patent/CN105778567A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101456969A (en) * | 2008-12-29 | 2009-06-17 | 南京协和化学有限公司 | Functional calcium carbonate and method for producing the same |
| CN101570343A (en) * | 2009-06-11 | 2009-11-04 | 福建省万旗非金属材料有限公司 | Method for preparing nanometer calcium carbonate special for water soluble ink by wet method |
| CN101914311A (en) * | 2010-07-30 | 2010-12-15 | 浙江常山金雄有限公司 | Calcium carbonate surface modifying method |
| CN103013181A (en) * | 2012-11-27 | 2013-04-03 | 宜兴天力化工纳米科技有限公司 | Surface treatment method of nano calcium carbonate |
| CN103897433A (en) * | 2012-12-26 | 2014-07-02 | 上海华明高技术（集团）有限公司 | Calcium carbonate-modifier composition and calcium carbonate surface modification method using the same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107446384A (en) * | 2017-08-10 | 2017-12-08 | 青阳县永诚钙业有限责任公司 | A kind of preparation method of composite calcium carbonate |
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Application publication date: 20160720 |