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Preparation method of ceramic powder

A ceramic powder and slurry technology, which is applied in the field of ceramic powder preparation, can solve the problems of uneven quality of intermediate products, complex powder processing process, and low powder efficiency, and achieves stable flow rate and moisture content, which is beneficial to Spray granulation and high iron removal efficiency

Inactive Publication Date: 2016-10-12
HEYUAN DONGYUAN EAGLE CERAMICS CO LTD +3
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The current preparation method mainly has the following defects: the quality of the intermediate product in the preparation process is not controlled, resulting in uneven quality of the intermediate product obtained in each step, which directly affects the processing efficiency of the next step, such as crushed slurry Too low or too high moisture and flow rate are not conducive to maximizing the efficiency of spray granulation; each step is not scientifically controlled, and the combination causes a chain reaction, which makes the powder processing process complicated and the efficiency of powder production Low, low quality, which eventually leads to defective quality of the product

Method used

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  • Preparation method of ceramic powder

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preparation example Construction

[0034] A preparation method of ceramic powder, comprising:

[0035] 1) The step of distributing raw materials to obtain pre-mixed ingredients;

[0036] Layered and superimposed on the conveying device according to the properties of the raw materials; among them, the raw materials are superimposed from bottom to top in the order of sandy materials, light materials, clay and chemical materials; pre-batching is obtained;

[0037] 2) The step of pulverizing the pre-batch to obtain the slurry and detecting it;

[0038] The pre-batch is pulverized by a ball mill; the ball stones with different diameters in the ball mill account for the weight parts of the ball stone total amount:

[0039] Ball stones with a diameter of 30mm: 5 to 20 parts;

[0040] Ball stones with a diameter of 40mm: 25 to 35 parts;

[0041] Ball stones with a diameter of 50mm: 30 to 50 parts;

[0042] Ball stones with a diameter of 60mm: 5 to 20 parts;

[0043] The ball stone adopts high alumina ball stone, w...

Embodiment 1

[0054] A preparation method of ceramic powder, comprising:

[0055] 1) The step of distributing raw materials to obtain pre-mixed ingredients;

[0056] Layered and superimposed on the conveying device according to the properties of the raw materials; among them, the raw materials are superimposed from bottom to top in the order of sandy materials, light materials, clay and chemical materials; pre-batching is obtained;

[0057] 2) The step of pulverizing the pre-batch to obtain the slurry and detecting it;

[0058] The pre-batch is pulverized by a ball mill; the ball stones with different diameters in the ball mill account for the weight parts of the ball stone total amount:

[0059] Ball stones with a diameter of 30mm: 20 parts;

[0060] Ball stones with a diameter of 40mm: 35 parts;

[0061] Ball stones with a diameter of 50mm: 35 parts;

[0062] Ball stones with a diameter of 60mm: 10 parts;

[0063] Ball stone adopts high alumina ball stone; the rotating speed of descr...

Embodiment 2

[0070] A preparation method of ceramic powder, comprising:

[0071] 1) The step of distributing raw materials to obtain pre-mixed ingredients;

[0072] Layered and superimposed on the conveying device according to the properties of the raw materials; among them, the raw materials are superimposed from bottom to top in the order of sandy materials, light materials, clay and chemical materials; pre-batching is obtained;

[0073] 2) The step of pulverizing the pre-batch to obtain the slurry and detecting it;

[0074] The pre-batch is pulverized by a ball mill; the ball stones with different diameters in the ball mill account for the weight parts of the ball stone total amount:

[0075] Ball stones with a diameter of 30mm: 15 parts;

[0076] Ball stones with a diameter of 40mm: 35 parts;

[0077] Ball stones with a diameter of 50mm: 35 parts;

[0078] Ball stones with a diameter of 60mm: 15 parts;

[0079] Ball stone adopts high-alumina ball stone; the rotating speed of describ...

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Abstract

The invention discloses a preparation method of ceramic powder. The preparation method comprises the following steps: delivering raw materials to obtain pre-mixture; smashing and slurrying the pre-mixture to obtain slurry; carrying out sieving and deironing on the slurry; carrying out spray granulation on the slurry subjected to the sieving and deironing. The step of smashing and slurrying the pre-mixture to obtain slurry is characterized in that the pre-mixture is smashed by a ball mill, the percent contents of ballstones of different diameters in the ball mill are 30mm to 40mm to 50mm to 60mm=(5 to 20) to (25 to 35) to (30 to 50) to (5 to 20), the revolving speed of the ball mill is 10-15 rpm, and the ballstones used by ball milling are high-aluminum ballstones. The preparation method is characterized in that the ballstones of different diameters are mutually cooperated to smash the pre-mixture, meanwhile, the slurry is subjected to deironing by a deironing slot and an electromagnetic de-ironing separator, the preparation efficiency of the ceramic powder is improved, energy consumption is small, and efficiency is high.

Description

technical field [0001] The invention relates to the technical field of material processing, in particular to a preparation method of ceramic powder. Background technique [0002] At present, ceramic materials are a kind of inorganic non-metallic materials made of natural or synthetic compounds through shaping and high-temperature sintering. It has the advantages of high melting point, high hardness, high wear resistance and oxidation resistance. The existing preparation method of ceramic powder mainly consists of processes such as grinding, iron removal, homogenization, spray drying and powder making. The current preparation method mainly has the following defects: the quality of the intermediate product in the preparation process is not controlled, resulting in uneven quality of the intermediate product obtained in each step, which directly affects the processing efficiency of the next step, such as crushed slurry Too low or too high moisture and flow rate are not conduci...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/626
CPCC04B35/62605C04B35/6261C04B35/62695
Inventor 曾智吴则昌吴柏惠
Owner HEYUAN DONGYUAN EAGLE CERAMICS CO LTD
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