CN1359986A - Process for preparing flaky heavy calcium carbonate - Google Patents
Process for preparing flaky heavy calcium carbonate Download PDFInfo
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- CN1359986A CN1359986A CN 01138364 CN01138364A CN1359986A CN 1359986 A CN1359986 A CN 1359986A CN 01138364 CN01138364 CN 01138364 CN 01138364 A CN01138364 A CN 01138364A CN 1359986 A CN1359986 A CN 1359986A
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- calcium carbonate
- heavy calcium
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Abstract
A process for preparing flaky heavy calcium carbonate includes choosing altered calcite or coarse-grain marble, pulverizing, preparing slurry, superfine ball grinding with zirconium (or aluminium) oxide balls with diameter of 0.5-1.2 mm and 1.5-2 mm in a ratio of (1-2):(1-3) for 30-60 min, pressing filtering and drying. Its advantages are low cost, no toxicity and no environmental pollution.
Description
Technical field
The present invention relates to a kind of preparing calcium carbonate powder, particularly relate to a kind of preparation method of flaky heavy calcium carbonate.
Background technology
Calcium carbonate powder can be made filler in papermaking, plastics, rubber, coating, tackiness agent, to strengthen mechanics and physicals.And the flaky calcium carbonate powder can make product surface glossiness, planeness improve, and especially in paper industry, can replace the sheet water-washed kaoline, does the coating materials of copperplate, white duplex board etc.Calcium carbonate powder can be divided into two big classes by its preparation method difference, and a class is to be prepared from chemical process, is called light calcium carbonate; One class is to be prepared from mechanical grinding method to be called water-ground limestone, and as patent CN1161996A, its technological process is: 1, the raw material dry ground is ground, and 2, dispersions of sizing mixing, 3, wet ultra-fine grinding, 4, chemical stability handles, 5, storage starches, 6, drying.The flaky calcium carbonate powder of producing is flake light calcium carbonate at present, wherein the easiest method is the flat 2-184519 of single stage method such as Japanese Patent, Chinese patent CN1080909A, but the former has used virose crystal control agent organic phosphine, the latter has used the boride of low toxicity to do crystal control agent, easily environment is produced and pollutes.At present do not see that useful mechanical means prepares the report of flaky heavy calcium carbonate.
Summary of the invention
The object of the present invention is to provide a kind of preparation method of flaky heavy calcium carbonate.
To achieve these goals, technical scheme of the present invention is: the preparation method of flaky heavy calcium carbonate, select structure alteration type calcite, coarse-grain marble any, make according to the following step: 1, the raw material dry ground, 2, size mixing, 3, wet ultra-fine grinding, 4, (press filtration becomes cake in the extra-fine grinding aftertreatment, dry), it is characterized in that: in the wet ultra-fine grinding process, the employing machine of delaminating is the wet method super-fine mill, pulp density is 50-75wt%, with zirconia ball, alumina balls are grinding medium, the diameter of ball is φ 0.5mm-2mm, and the mass ratio of φ 0.5mm-1.2mm ball and φ 1.5mm-2mm ball is 1: 3-2: 1, and milling time is 30 minutes-60 minutes.
Flaky heavy calcium carbonate can be slurry, filter cake, or does not have the dried dry powder of reunion, and the flaky heavy calcium carbonate particle diameter is 90-97% less than 2 microns content, and the radius-thickness ratio of sheet was greater than 5: 1.
Because it is the wet method super-fine mill that the present invention in the wet ultra-fine grinding process, adopts the machine of delaminating, and is grinding medium with zirconia ball or alumina balls, adopts the large and small ball of certain proportioning, obtains the flake ultrafine water-ground limestone.The present invention adopts mechanical means preparation, and cost is low, nontoxicity, environment is not produced pollute.
Embodiment
The preparation method of flaky heavy calcium carbonate provided by the invention is: select structure alteration type calcite, make according to the following step:
Raw material is roughly ground to 400 orders with Raymond mill after crusher in crushing.
Raw material after the corase grind is modulated into the slurry that concentration is 65wt%.
The employing machine of delaminating is the wet method super-fine mill, with the zirconia ball is grinding medium, divide 7 grades of grindings, from the 1st grade to the 7th grade, the mass ratio of grinding medium φ 0.8mm-1.2mm ball and φ 1.5mm-2mm ball was followed successively by 1: 3,1: 2.5,1: 2,1: 1.5,1: 1,1.5: 1,2: 1.Grind after 45 minutes, obtain particle diameter and reach 94% flaky heavy calcium carbonate less than 2 microns content, the radius-thickness ratio of sheet was greater than 5: 1.
The present invention adopts mechanical means preparation, and cost is low, nontoxicity, environment is not produced pollute.
Claims (3)
1, the preparation method of flaky heavy calcium carbonate, select structure alteration type calcite, coarse-grain marble any, make according to the following step: (1), the raw material dry ground, (2), size mixing, (3), wet ultra-fine grinding, (4), the extra-fine grinding aftertreatment, it is characterized in that in the wet ultra-fine grinding process, the employing machine of delaminating is the wet method super-fine mill, pulp density is 50-75wt%, with zirconia ball, alumina balls are grinding medium, and the diameter of ball is φ 0.5mm-2mm, the mass ratio of φ 0.5mm-1.2mm ball and φ 1.5mm-2mm ball is 1: 3-2: 1, and milling time is 30 minutes-60 minutes.
2, the preparation method of flaky heavy calcium carbonate according to claim 1 is characterized in that in the wet ultra-fine grinding, and grinding medium is zirconium white or alumina balls.
3, the preparation method of flaky heavy calcium carbonate according to claim 1 is characterized in that in the wet ultra-fine grinding, and grinding medium is zirconia ball and alumina balls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB01138364XA CN1157444C (en) | 2001-12-29 | 2001-12-29 | Process for preparing flaky heavy calcium carbonate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB01138364XA CN1157444C (en) | 2001-12-29 | 2001-12-29 | Process for preparing flaky heavy calcium carbonate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1359986A true CN1359986A (en) | 2002-07-24 |
| CN1157444C CN1157444C (en) | 2004-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB01138364XA Expired - Fee Related CN1157444C (en) | 2001-12-29 | 2001-12-29 | Process for preparing flaky heavy calcium carbonate |
Country Status (1)
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| CN (1) | CN1157444C (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003093578A1 (en) * | 2002-04-30 | 2003-11-13 | Addata Development Limited | A filter composition, a process of making the composition and the use of the same |
| EP1752499A1 (en) * | 2005-07-25 | 2007-02-14 | Omya Development AG | Process to disperse and/or grind and/or concentrate calcium carbonate in aqueous media using an aqueous solution containing zirconium compounds |
| EP1764346A1 (en) | 2005-09-16 | 2007-03-21 | Omya Development AG | Process of preparing mineral material with particular ceria-containing zirconium oxide grinding beads, obtained products and their uses |
| CN101514028B (en) * | 2009-03-31 | 2011-04-20 | 中国地质大学（武汉） | Method for preparing flaky ground calcium carbonate powder |
| CN101514533B (en) * | 2008-12-30 | 2011-06-15 | 上海东升新材料有限公司 | Flaky calcium carbonate, preparation method and application thereof |
| CN102950055A (en) * | 2012-10-19 | 2013-03-06 | 宁波市联成机械有限责任公司 | Wet grinding manufacturing method and device of calcium carbonate size |
| US8517291B2 (en) | 2005-09-16 | 2013-08-27 | Omya International Ag | Process of manufacturing a co-ground calcium carbonate mineral of the GCC and PCC type with a specific steepness factor, obtained products and their uses |
| US8647597B1 (en) | 2005-09-16 | 2014-02-11 | Omya International Ag | Process of preparing mineral material with particular ceria-containing zirconium oxide grinding beads, obtained products and their uses |
| CN103627215A (en) * | 2013-11-27 | 2014-03-12 | 连云港东海硅微粉有限责任公司 | Preparation method of submicron silica powder |
| CN103740137A (en) * | 2013-12-31 | 2014-04-23 | 上海东升新材料有限公司 | Preparation method of heavy calcium carbonate with narrow particle size |
| CN104129808A (en) * | 2014-07-25 | 2014-11-05 | 成都新柯力化工科技有限公司 | Flaky heavy calcium carbonate and preparation method thereof |
| CN105536963A (en) * | 2015-12-08 | 2016-05-04 | 四川亿欣新材料有限公司 | Calcium carbonate powder production technology |
| CN107244686A (en) * | 2017-06-21 | 2017-10-13 | 长兴大地新型材料有限公司 | A kind of preparation method of major diameter flaky calcium carbonate |
| WO2020199259A1 (en) * | 2019-04-02 | 2020-10-08 | 歌乐电磁(深圳)有限公司 | Reinforced paper straw |
| CN111822106A (en) * | 2020-06-28 | 2020-10-27 | 淮阴工学院 | Method for preparing superfine pear stone cell powder |
-
2001
- 2001-12-29 CN CNB01138364XA patent/CN1157444C/en not_active Expired - Fee Related
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003093578A1 (en) * | 2002-04-30 | 2003-11-13 | Addata Development Limited | A filter composition, a process of making the composition and the use of the same |
| US8845804B2 (en) | 2005-07-25 | 2014-09-30 | Omya International Ag | Process to disperse and/or grind and/or concentrate calcium carbonate in aqueous media using an aqueous solution containing zirconium compounds |
| EP1752499A1 (en) * | 2005-07-25 | 2007-02-14 | Omya Development AG | Process to disperse and/or grind and/or concentrate calcium carbonate in aqueous media using an aqueous solution containing zirconium compounds |
| US9617430B2 (en) | 2005-07-25 | 2017-04-11 | Omya International Ag | Process to disperse and/or grind and/or concentrate calcium carbonate in aqueous media using an aqueous solution containing zirconium compounds |
| WO2007012935A3 (en) * | 2005-07-25 | 2007-07-12 | Omya Development Ag | Process to disperse and/or grind and/or concentrate calcium carbonate in aqueous media using an aqueous solution containing zirconium compounds |
| US9574088B2 (en) | 2005-07-25 | 2017-02-21 | Omya International Ag | Process to disperse and / or grind and / or concentrate calcium carbonate in aqueous media using an aqueous solution containing zirconium compounds |
| AU2006273744B2 (en) * | 2005-07-25 | 2011-05-26 | Omya Development Ag | Process to disperse and/or grind and/or concentrate calcium carbonate in aqueous media using an aqueous solution containing zirconium compounds |
| CN101233197B (en) * | 2005-07-25 | 2011-08-31 | Omya发展股份公司 | Process to disperse and/or grind and/or concentrate calcium carbonate in aqueous media using an aqueous solution containing zirconium compounds |
| US8517291B2 (en) | 2005-09-16 | 2013-08-27 | Omya International Ag | Process of manufacturing a co-ground calcium carbonate mineral of the GCC and PCC type with a specific steepness factor, obtained products and their uses |
| EP2786964A2 (en) | 2005-09-16 | 2014-10-08 | Omya International AG | Process of preparing mineral material with particular ceria-containing zirconium oxide grinding beads, obtained products and their uses |
| US8591853B2 (en) | 2005-09-16 | 2013-11-26 | Omya International Ag | Process of preparing mineral material with particular ceria-containing zirconium oxide grinding beads, obtained products and their uses |
| US8647597B1 (en) | 2005-09-16 | 2014-02-11 | Omya International Ag | Process of preparing mineral material with particular ceria-containing zirconium oxide grinding beads, obtained products and their uses |
| EP1764346A1 (en) | 2005-09-16 | 2007-03-21 | Omya Development AG | Process of preparing mineral material with particular ceria-containing zirconium oxide grinding beads, obtained products and their uses |
| CN101514533B (en) * | 2008-12-30 | 2011-06-15 | 上海东升新材料有限公司 | Flaky calcium carbonate, preparation method and application thereof |
| CN101514028B (en) * | 2009-03-31 | 2011-04-20 | 中国地质大学（武汉） | Method for preparing flaky ground calcium carbonate powder |
| CN102950055A (en) * | 2012-10-19 | 2013-03-06 | 宁波市联成机械有限责任公司 | Wet grinding manufacturing method and device of calcium carbonate size |
| CN102950055B (en) * | 2012-10-19 | 2016-01-13 | 宁波市联成机械有限责任公司 | Calcium carbonate slurry wet grinding manufacture method |
| CN103627215A (en) * | 2013-11-27 | 2014-03-12 | 连云港东海硅微粉有限责任公司 | Preparation method of submicron silica powder |
| CN103627215B (en) * | 2013-11-27 | 2016-05-11 | 江苏联瑞新材料股份有限公司 | A kind of preparation method of submicron order silicon powder |
| CN103740137A (en) * | 2013-12-31 | 2014-04-23 | 上海东升新材料有限公司 | Preparation method of heavy calcium carbonate with narrow particle size |
| CN104129808A (en) * | 2014-07-25 | 2014-11-05 | 成都新柯力化工科技有限公司 | Flaky heavy calcium carbonate and preparation method thereof |
| CN105536963A (en) * | 2015-12-08 | 2016-05-04 | 四川亿欣新材料有限公司 | Calcium carbonate powder production technology |
| CN107244686A (en) * | 2017-06-21 | 2017-10-13 | 长兴大地新型材料有限公司 | A kind of preparation method of major diameter flaky calcium carbonate |
| WO2020199259A1 (en) * | 2019-04-02 | 2020-10-08 | 歌乐电磁(深圳)有限公司 | Reinforced paper straw |
| CN111822106A (en) * | 2020-06-28 | 2020-10-27 | 淮阴工学院 | Method for preparing superfine pear stone cell powder |
Also Published As
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| CN1157444C (en) | 2004-07-14 |
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