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Dust-free calcium carbonate and preparation method thereof

A technology of calcium carbonate and vegetable oleic acid, which is applied in the field of inorganic chemical raw materials, can solve the problems that calcium carbonate is easy to cause dust and is difficult to control, and achieves the effects of long storage time, low energy consumption and cost, and simple production methods

Inactive Publication Date: 2019-09-20
陈茂银
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the conventional form of calcium carbonate production and application is powder; powdery calcium carbonate is very easy to cause dust, and it is difficult to control; this is obviously not in line with the increasingly stringent environmental protection requirements; it is also difficult for the industry to puzzle solved

Method used

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preparation example Construction

[0020] A preparation method of dust-free calcium carbonate, carried out as follows:

[0021] 1) Take calcium carbonate and auxiliary materials by formula quantity;

[0022] 2) mixing and stirring at room temperature; bagging and storage;

[0023] Alternatively, mix and stir at room temperature, and then make granules through a granulator, then pack into bags and store.

[0024] Mixing and stirring of the present invention can be determined according to the following different working environments:

[0025] (1) Common calcium carbonate users can directly mix calcium carbonate and auxiliary materials in the equipment.

[0026] (2) For calcium carbonate production enterprises (usually using fully enclosed pipelines to transport powdered calcium carbonate), a high-pressure oil pump can be installed next to the grinding equipment for producing calcium carbonate in the mining area, and after the grinding is completed, the powder is transported through the pipeline to When storing...

Embodiment 1

[0028] Dust-free calcium carbonate, the raw material that comprises and its weight ratio are:

[0029] 800 mesh calcium carbonate 80%, coconut oleic acid 20%.

[0030] Preparation method, proceed as follows:

[0031] 1) take calcium carbonate and coconut oleic acid by formula quantity;

[0032] 2) Mix and stir at room temperature; bag and store.

Embodiment 2

[0034] Dust-free calcium carbonate, the raw material that comprises and its weight ratio are:

[0035] 1500 mesh calcium carbonate 75%, auxiliary materials 25%;

[0036] The auxiliary material is mixed by palmitoleic acid, epoxidized soybean oil and fatty acid methyl ester produced in Malaysia; the sum of epoxidized soybean oil and fatty acid methyl ester produced in Malaysia accounts for 8% by weight in the auxiliary material, and the epoxy soybean oil and the fatty acid methyl ester produced in Malaysia are 8%. The weight portion of fatty acid methyl ester produced in Malaysia is the same.

[0037] Preparation method, proceed as follows:

[0038] 1) Take calcium carbonate and auxiliary materials by formula quantity;

[0039] 2) Mix and stir at room temperature, then make granules (with a particle size of 2 mm) by a granulator, and then pack into bags and store.

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PUM

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Abstract

The invention relates to an inorganic chemical raw material, and aims to provide dust-free calcium carbonate and a preparation method thereof. The method can effectively avoid flying dust of calcium carbonate in production and use processes, and is simple in production process, mature in equipment and low in energy consumption. The dust-free calcium carbonate comprises the following raw materials in percentage by weight: 70-90% of calcium carbonate and 10-30% of auxiliary materials, wherein the auxiliary material is a mixture of vegetable oleic acid and other raw materials, and the weight ratio of the other raw materials in the auxiliary material is 0-10%; wherein the other raw materials are one or a mixture of more than two of epoxidized soybean oil, fatty acid methyl ester, dioctyl ester and a multifunctional environment-friendly plasticizer PQT P-1 in any proportion.

Description

technical field [0001] The invention relates to an inorganic chemical raw material, specifically calcium carbonate and a preparation method thereof. [0002] technical background [0003] Calcium carbonate is one of the common substances on the earth. It exists in aragonite, calcite, chalk, limestone, marble, travertine and other rocks. It is also the main component of animal bones or shells. Calcium carbonate is not only an important building material, but also has a wide range of industrial uses (such as the plastics industry). [0004] However, the conventional form of calcium carbonate production and application is powder; powdery calcium carbonate is very easy to cause dust, and it is difficult to control; this is obviously not in line with the increasingly stringent environmental protection requirements; it is also difficult for the industry to solved puzzles. Contents of the invention [0005] The purpose of the present invention is to overcome the deficiencies in ...

Claims

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Application Information

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IPC IPC(8): C08K3/26C08K5/09C08K5/12C08K5/101C08K13/02C08L91/00
CPCC08K3/26C08K5/09C08K5/101C08K5/12C08K13/02C08K2003/265C08L91/00
Inventor 陈茂银
Owner 陈茂银
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