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Production process of multifunctional calcium carbonate

A production process, calcium carbonate technology, applied in the direction of calcium carbonate/strontium/barium, etc., can solve problems such as difficult to realize multi-functional calcium carbonate large-scale production, increase calcium carbonate production cost, increase production energy consumption, etc., to avoid excessive Grinding phenomenon, saving resources, and reducing the effect of production energy consumption

Inactive Publication Date: 2013-01-30
ANHUI JIANGDONG TECH POWDER CO LTD
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Problems solved by technology

In the process of repeated grinding of calcium carbonate, there is over-grinding phenomenon in calcium carbonate. For example, the particle size distribution of calcium carbonate in the grinding process is 600 mesh, 2000 mesh and 3000 mesh. The purpose calcium carbonate will be repeatedly ground, resulting in over-grinding of the calcium carbonate with this particle size; the over-grinding phenomenon in the production process of calcium carbonate makes it difficult to realize the large-scale production of multifunctional calcium carbonate, and increases the energy consumption of production and wastes Resources are increased, and the production cost of calcium carbonate is increased

Method used

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  • Production process of multifunctional calcium carbonate

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Embodiment Construction

[0016] The technical scheme of the present invention will be further described below in conjunction with the accompanying drawings and through specific embodiments:

[0017] Such as figure 1 Shown is the schematic flow sheet of the production technology of a kind of multifunctional calcium carbonate among the present invention.

[0018] refer to figure 1 , a kind of production technique of multifunctional calcium carbonate that the present invention proposes, comprises:

[0019] Step A, grinding the calcium carbonate raw material;

[0020] Step B, carry out primary classification to the ground calcium carbonate;

[0021] Step C, for the calcium carbonate smaller than the first particle size, classify at least once again to obtain calcium carbonate in different particle size ranges;

[0022] Step D, performing wet grinding on the calcium carbonate larger than the first particle size.

[0023] In a specific embodiment, in the production process of the multifunctional calciu...

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Abstract

The invention provides a production process of multifunctional calcium carbonate. The method comprises the steps of: grinding a calcium carbonate raw material, and then conducting classification on the ground calcium carbonate; conducting at least one classification on the calcium carbonate less than a first grain size to obtain calcium carbonate in different particle size ranges; and subjecting the calcium carbonate larger than the first particle size to a wet grinding In the invention, the production process is optimized; and ground calcium carbonate is subjected to multiple classification treatments to avoid the over-grinding phenomenon in calcium carbonate production, and realize large-scale production of multifunctional calcium carbonate, thereby reducing energy consumption, saving resources and lowering production costs.

Description

technical field [0001] The invention relates to the technical field of calcium carbonate production, in particular to a production process of multifunctional calcium carbonate. Background technique [0002] In industrial applications, the particle size of calcium carbonate determines the function of calcium carbonate. In the prior art, in the production process of calcium carbonate, in order to obtain calcium carbonate particles of different particle sizes, the calcium carbonate raw material is continuously and repeatedly ground in a grinder, and the particle size can be determined by controlling the grinding time Size distribution, and then classify the ground calcium carbonate to obtain calcium carbonate particles with different particle sizes. In the process of repeated grinding of calcium carbonate, calcium carbonate has an over-grinding phenomenon. For example, the particle size distribution of calcium carbonate during the grinding process is 600 mesh, 2000 mesh and 30...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01F11/18
Inventor 乐毅乐力乐挺陈世胜杨甫永
Owner ANHUI JIANGDONG TECH POWDER CO LTD
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