CN104760982A - Production process of ultrafine calcium carbonate powder - Google Patents
Production process of ultrafine calcium carbonate powder Download PDFInfo
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- CN104760982A CN104760982A CN201410006072.7A CN201410006072A CN104760982A CN 104760982 A CN104760982 A CN 104760982A CN 201410006072 A CN201410006072 A CN 201410006072A CN 104760982 A CN104760982 A CN 104760982A
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Abstract
The invention discloses a production process of an ultrafine calcium carbonate powder; with adopting of full computer automatic control, production operations of grinding, carrying out first classification, collecting a powder meeting a fineness requirement, packaging a part of the collected powder, carrying out secondary classification on the other part of the powder needing a higher fineness requirement, collecting a powder meeting the fineness requirement after the secondary classification, packaging a part of the collected powder, carrying out third classification on the other part of the powder needing an ultrahigh fineness requirement, collecting a powder meeting the fineness requirement after the third packaging, packaging a part of the collected powder, activating and modifying the other part of the powder, collecting the modified powder, packaging and the like are carried out; the automation degree is high, the yield is high, the production efficiency is improved, the number of product varieties is large, the three-level classification is achieved, the classification fineness is greatly improved, the adjusting range of classification fineness is enlarged, the energy consumption is reduced, and the powder surface modification can be achieved.
Description
Technical field
The present invention relates to super-fine powder preparation field technology, particularly relate to a kind of production technique of super fine calcium carbonate powder.
Background technology
At present, the production technique of known super fine calcium carbonate powder is all first utilize ball mill to grind material, recycling grading wheel carries out classification to the powder after grinding, the powder conveying reaching fineness requirement is to fly-ash separator or/and particle collector is collected, and the powder not reaching fineness requirement again arrives ball mill and continues grinding.The production technique of existing this super fine calcium carbonate powder, manual intervention is large, and output is few, and production efficiency is low, and production kind is few, and classification fineness is not high, and level of automation is not high, and energy consumption is high.
Summary of the invention
For the deficiencies in the prior art, object of the present invention is intended to the production technique providing a kind of super fine calcium carbonate powder, it adopts full-computerized automatically to control, and level of automation is high, and output is large, production efficiency is high, produce wide in variety, classification fineness is high, and classification fineness regulation scope is wide, energy consumption is low, can realize powder surface modification.
For achieving the above object, the present invention adopts following technical scheme:
A production technique for super fine calcium carbonate powder, is included in the step that full-computerized controls lower execution automatically:
A. the material be stored in raw material cabin is sent in vertical mill by transfer mechanism, by vertical mill, material is ground, obtain calcium carbonate powder;
B. the sorting equipment utilizing vertical mill to carry carries out first time classification to powder, and the powder conveying reaching fineness requirement collected in the first fly-ash separator, the powder not reaching fineness requirement comes back in vertical mill and again grinds;
The powder conveying of c. being collected by the first fly-ash separator is in the first finished bin;
D. a part of powder conveying in the first finished bin is packed automatically to the first wrapping machine, need the powder conveying of higher fineness requirement to carry out second time classification in the first vortex classifier another part, the powder reaching fineness requirement after classification is collected by the second fly-ash separator;
The powder conveying of e. being collected by the second fly-ash separator is in the second finished bin;
F. a part of powder conveying in the second finished bin is packed automatically to the second wrapping machine, needed by another part to carry out third time classification in the powder conveying of superelevation fineness requirement to the second vortex classifier, the powder reaching fineness requirement after classification is collected by the 3rd fly-ash separator;
The powder conveying of g. being collected by the 3rd fly-ash separator is in the 3rd finished bin;
H. by automatically packing to the 3rd wrapping machine without the need to the powder conveying of carrying out surface modification in the 3rd finished bin, in modifying machine, activation modification is carried out by needing the powder conveying of carrying out surface modification, powder through activation modification carries out powder collection by the 4th fly-ash separator and bag filter, by the powder conveying of collection in the 4th finished bin, then the powder conveying in the 4th finished bin is automatically packed in the 4th wrapping machine.
Wherein, described first fly-ash separator is pulse dust collector.
Wherein, described second fly-ash separator is tornado dust collector.
Wherein, described 3rd fly-ash separator is tornado dust collector.
Wherein, described 4th fly-ash separator is tornado dust collector.
The production technique of a kind of super fine calcium carbonate powder set forth in the present invention, its beneficial effect is: compared with prior art, and production technique of the present invention adopts full-computerized automatically to control, and level of automation is high, output is large, improve production efficiency, produce wide in variety, achieve three grades of classifications, substantially increase classification fineness, expand the regulation range of classification fineness, reduce energy consumption, and can powder surface modification be realized.
Accompanying drawing explanation
Fig. 1 is the schema of the production technique of a kind of super fine calcium carbonate powder of the present invention.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the invention will be further described.
Please refer to shown in Fig. 1, that show the idiographic flow of the production technique of a kind of super fine calcium carbonate powder of the present invention, be included in the step that full-computerized controls lower execution automatically:
A. the material be stored in raw material cabin is sent in vertical mill by transfer mechanism, by vertical mill, material is ground, obtain calcium carbonate powder.In this step, transfer mechanism adopts the worm conveyor, the chapelet that are connected.
B. the sorting equipment utilizing vertical mill to carry carries out first time classification to powder, and the powder conveying reaching fineness requirement collected in the first fly-ash separator, the powder not reaching fineness requirement comes back in vertical mill and again grinds.In the present embodiment, the first fly-ash separator adopts pulse dust collector.
The powder conveying of c. being collected by the first fly-ash separator is in the first finished bin.In this step, the worm conveyor that is conducted through of powder realizes, and certainly also can utilize the self gravitation of powder.
D. a part of powder conveying in the first finished bin is packed automatically to the first wrapping machine, need the powder conveying of higher fineness requirement to carry out second time classification in the first vortex classifier another part, the powder reaching fineness requirement after classification is collected by the second fly-ash separator.In this step, powder is transported to the first wrapping machine by worm conveyor, produce negative pressure by powder conveying to the first vortex classifier by classification blower fan, the powder not reaching fineness requirement after classification is packed automatically by the other wrapping machine be connected with the first vortex classifier.In the present embodiment, the second fly-ash separator adopts tornado dust collector.
The powder conveying of e. being collected by the second fly-ash separator is in the second finished bin.In this step, the worm conveyor that is conducted through of powder realizes, and certainly also can utilize the self gravitation of powder.
F. a part of powder conveying in the second finished bin is packed automatically to the second wrapping machine, needed by another part to carry out third time classification in the powder conveying of superelevation fineness requirement to the second vortex classifier, the powder reaching fineness requirement after classification is collected by the 3rd fly-ash separator.In this step, powder is transported to the second wrapping machine by worm conveyor, produce negative pressure by powder conveying to the second vortex classifier by classification blower fan, the powder not reaching fineness requirement after classification is packed automatically by the other wrapping machine be connected with the second vortex classifier.In the present embodiment, the 3rd fly-ash separator adopts tornado dust collector.
The powder conveying of g. being collected by the 3rd fly-ash separator is in the 3rd finished bin.In this step, the worm conveyor that is conducted through of powder realizes, and certainly also can utilize the self gravitation of powder.
H. by automatically packing to the 3rd wrapping machine without the need to the powder conveying of carrying out surface modification in the 3rd finished bin, in modifying machine, activation modification is carried out by needing the powder conveying of carrying out surface modification, powder through activation modification carries out powder collection by the 4th fly-ash separator and bag filter, by the powder conveying of collection in the 4th finished bin, then the powder conveying in the 4th finished bin is automatically packed in the 4th wrapping machine.In this step, the conveying of powder is all realized by worm conveyor, certainly also can utilize the self gravitation of powder.In the present embodiment, the 4th fly-ash separator adopts tornado dust collector.
Be pointed out that, in the present invention, higher fineness requirement in fineness requirement in step b, steps d, the superelevation fineness requirement in step f are improving successively in the requirement of fineness, that is, higher fineness requirement in steps d is higher than the fineness requirement in step b, superelevation fineness requirement in step f is higher than the higher fineness requirement in steps d, higher, the superelevation that adopt in the present invention be also based on three between contrast, there is not unclear problem.
Method of the present invention adopts full-computerized automatically to control, and level of automation is high, and output is large, improves production efficiency, produce wide in variety, achieve three grades of classifications, substantially increase classification fineness, expand the regulation range of classification fineness, reduce energy consumption, and can powder surface modification be realized.
The above, it is only present pre-ferred embodiments, not technical scope of the present invention is imposed any restrictions, thus every above embodiment is done according to technical spirit of the present invention any trickle amendment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (5)
1. a production technique for super fine calcium carbonate powder, is characterized in that, is included in the step that full-computerized controls lower execution automatically:
A. the material be stored in raw material cabin is sent in vertical mill by transfer mechanism, by vertical mill, material is ground, obtain calcium carbonate powder;
B. the sorting equipment utilizing vertical mill to carry carries out first time classification to powder, and the powder conveying reaching fineness requirement collected in the first fly-ash separator, the powder not reaching fineness requirement comes back in vertical mill and again grinds;
The powder conveying of c. being collected by the first fly-ash separator is in the first finished bin;
D. a part of powder conveying in the first finished bin is packed automatically to the first wrapping machine, need the powder conveying of higher fineness requirement to carry out second time classification in the first vortex classifier another part, the powder reaching fineness requirement after classification is collected by the second fly-ash separator;
The powder conveying of e. being collected by the second fly-ash separator is in the second finished bin;
F. a part of powder conveying in the second finished bin is packed automatically to the second wrapping machine, needed by another part to carry out third time classification in the powder conveying of superelevation fineness requirement to the second vortex classifier, the powder reaching fineness requirement after classification is collected by the 3rd fly-ash separator;
The powder conveying of g. being collected by the 3rd fly-ash separator is in the 3rd finished bin;
H. by automatically packing to the 3rd wrapping machine without the need to the powder conveying of carrying out surface modification in the 3rd finished bin, in modifying machine, activation modification is carried out by needing the powder conveying of carrying out surface modification, powder through activation modification carries out powder collection by the 4th fly-ash separator and bag filter, by the powder conveying of collection in the 4th finished bin, then the powder conveying in the 4th finished bin is automatically packed in the 4th wrapping machine.
2. the production technique of a kind of super fine calcium carbonate powder according to claim 1, is characterized in that, described first fly-ash separator is pulse dust collector.
3. the production technique of a kind of super fine calcium carbonate powder according to claim 1, is characterized in that, described second fly-ash separator is tornado dust collector.
4. the production technique of a kind of super fine calcium carbonate powder according to claim 1, is characterized in that, described 3rd fly-ash separator is tornado dust collector.
5. the production technique of a kind of super fine calcium carbonate powder according to claim 1, is characterized in that, described 4th fly-ash separator is tornado dust collector.
Priority Applications (1)
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| CN201410006072.7A CN104760982A (en) | 2014-01-06 | 2014-01-06 | Production process of ultrafine calcium carbonate powder |
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| CN201410006072.7A CN104760982A (en) | 2014-01-06 | 2014-01-06 | Production process of ultrafine calcium carbonate powder |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105536963A (en) * | 2015-12-08 | 2016-05-04 | 四川亿欣新材料有限公司 | Calcium carbonate powder production technology |
| CN106829994A (en) * | 2017-03-09 | 2017-06-13 | 金华市欣生沸石开发有限公司 | Zeolite powder production line and production technology |
| CN107522419A (en) * | 2017-08-15 | 2017-12-29 | 贵州涟江源建材有限公司 | A kind of agstone preparation facilities for concrete and preparation method thereof |
| CN115739347A (en) * | 2022-08-19 | 2023-03-07 | 王伟博 | Preparation method and application of nano calcium carbonate for food additive |
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| CN1095080A (en) * | 1993-05-08 | 1994-11-16 | 四川省新都县科新超微细材料厂 | Superfine heavy calcium carbonate and its preparing process |
| CN1161996A (en) * | 1996-04-09 | 1997-10-15 | 中国制浆造纸工业研究所 | Super-fine-ground calcium carbonate for paper-making and production method thereof |
| CN101734705A (en) * | 2009-11-26 | 2010-06-16 | 南召鑫泰钙业有限公司 | Method for preparing micro-control super fine calcium carbonate slurry |
| CN102351230A (en) * | 2011-07-06 | 2012-02-15 | 湖南磊鑫新材料科技有限公司 | Preparation method of ultrafine active heavy calcium carbonate |
| CN102897814A (en) * | 2012-09-19 | 2013-01-30 | 安徽江东科技粉业有限公司 | Production process of multifunctional calcium carbonate |
| CN103537354A (en) * | 2012-07-13 | 2014-01-29 | 昆山市密友粉体设备工程有限公司 | Environment-friendly crushing, grinding and classifying production line |
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2014
- 2014-01-06 CN CN201410006072.7A patent/CN104760982A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1095080A (en) * | 1993-05-08 | 1994-11-16 | 四川省新都县科新超微细材料厂 | Superfine heavy calcium carbonate and its preparing process |
| CN1161996A (en) * | 1996-04-09 | 1997-10-15 | 中国制浆造纸工业研究所 | Super-fine-ground calcium carbonate for paper-making and production method thereof |
| CN101734705A (en) * | 2009-11-26 | 2010-06-16 | 南召鑫泰钙业有限公司 | Method for preparing micro-control super fine calcium carbonate slurry |
| CN102351230A (en) * | 2011-07-06 | 2012-02-15 | 湖南磊鑫新材料科技有限公司 | Preparation method of ultrafine active heavy calcium carbonate |
| CN103537354A (en) * | 2012-07-13 | 2014-01-29 | 昆山市密友粉体设备工程有限公司 | Environment-friendly crushing, grinding and classifying production line |
| CN102897814A (en) * | 2012-09-19 | 2013-01-30 | 安徽江东科技粉业有限公司 | Production process of multifunctional calcium carbonate |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105536963A (en) * | 2015-12-08 | 2016-05-04 | 四川亿欣新材料有限公司 | Calcium carbonate powder production technology |
| CN106829994A (en) * | 2017-03-09 | 2017-06-13 | 金华市欣生沸石开发有限公司 | Zeolite powder production line and production technology |
| CN106829994B (en) * | 2017-03-09 | 2019-05-28 | 金华市欣生沸石开发有限公司 | Zeolite powder production line and production technology |
| CN107522419A (en) * | 2017-08-15 | 2017-12-29 | 贵州涟江源建材有限公司 | A kind of agstone preparation facilities for concrete and preparation method thereof |
| CN107522419B (en) * | 2017-08-15 | 2019-08-20 | 贵州涟江源建材有限公司 | A kind of agstone preparation facilities and preparation method thereof for concrete |
| CN115739347A (en) * | 2022-08-19 | 2023-03-07 | 王伟博 | Preparation method and application of nano calcium carbonate for food additive |
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Application publication date: 20150708 |