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Processing method of aluminate cement added admixture

A technology of aluminate cement and a processing method, which is applied in the processing field of aluminate cement mixed with mixed materials, can solve the problems of high production raw material costs, and achieve the effects of improving production efficiency and reducing production costs

Inactive Publication Date: 2020-04-07
贵州宇丰熔料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the deficiencies in the above-mentioned prior art, the present invention aims to provide a processing method for producing aluminate cement that complies with national standards and can solve the problem of high raw material cost for the addition of admixtures to aluminate cement.

Method used

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  • Processing method of aluminate cement added admixture
  • Processing method of aluminate cement added admixture
  • Processing method of aluminate cement added admixture

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Such as figure 1 Shown, a kind of processing method of aluminate cement admixture admixture, comprises the following steps:

[0025] Step 1, crushing bauxite and limestone with a crusher respectively, and crushing bauxite material and limestone material with a particle size of no more than 20 mm; before mixing bauxite material with limestone material, the bauxite material is first drying process;

[0026] Step 2, mixing the above-mentioned obtained bauxite material with the limestone material in a ratio of 53%: 47%, to obtain a mixed material;

[0027] Step 3. Grind the above mixed material with a raw meal ball mill, and screen the ground mixed material with a 0.045mm square hole sieve. material;

[0028] Step 4, homogenization;

[0029] Step 5. The homogenized raw meal is pelletized, and then put into a rotary kiln for calcination. The calcination temperature is 1300°C, the calcination time is 240min, and the rotation speed of the rotary kiln is 0.7r / min to obtain ...

Embodiment 2

[0033] Such as figure 1 Shown, a kind of processing method of aluminate cement admixture admixture, comprises the following steps:

[0034] Step 1, crushing bauxite and limestone with a crusher respectively, and crushing bauxite material and limestone material with a particle size of no more than 20 mm; before mixing bauxite material with limestone material, the bauxite material is first drying process;

[0035] Step 2, mixing the above-mentioned gained bauxite material with the limestone material in a ratio of 53%:47%, to obtain a mixed material;

[0036] Step 3. Grind the above mixed material with a raw meal ball mill, and screen the ground mixed material with a 0.045mm square hole sieve. material;

[0037] Step 4, homogenization;

[0038] Step 5. The homogenized raw meal is pelletized, and then put into a rotary kiln for calcination. The calcination temperature is 1350°C, the calcination time is 230min, and the rotation speed of the rotary kiln is 0.7r / min to obtain cl...

Embodiment 3

[0042] Such as figure 1 Shown, a kind of processing method of aluminate cement admixture admixture, comprises the following steps:

[0043] Step 1, crushing bauxite and limestone with a crusher respectively, and crushing bauxite material and limestone material with a particle size of no more than 20 mm; before mixing bauxite material with limestone material, the bauxite material is first drying process;

[0044] Step 2, mixing the above-mentioned obtained bauxite material with the limestone material in a ratio of 53%: 47%, to obtain a mixed material;

[0045] Step 3. Grind the above mixed material with a raw meal ball mill, and screen the ground mixed material with a 0.045mm square hole sieve. material;

[0046] Step 4, homogenization;

[0047] Step 5. The homogenized raw meal is pelletized, and then put into a rotary kiln for calcination. The calcination temperature is 1400°C, the calcination time is 210min, and the rotation speed of the rotary kiln is 0.7r / min to obtain ...

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Abstract

The invention relates to the technical field of preparation processes of aluminate cement, in particular to a processing method of an aluminate cement added admixture. The method includes the steps of: 1, crushing bauxite and limestone by a crusher respectively to obtain a bauxite material and a limestone material with a particle size of not more than 20mm; 2, mixing the bauxite material and the limestone material according to a ratio of 53%:47% to obtain a mixture; 3, grinding the mixture by a raw material ball mill, and sieving the ground mixture to obtain a powdery raw material; 4, conducting homogenizing; 5, balling the homogenized raw material, and calcining the balled raw material in a rotary kiln to obtain a clinker; and step 6, cooling the obtained clinker, then adding bauxite clinker in proportion, mixing the substances uniformly, and performing grinding by a ball mill to obtain the finished aluminate cement; and 7, conducting inspection, packaging, warehousing and sampling inspection, and then carrying out mechanical quantitative packaging and warehousing.

Description

technical field [0001] The invention relates to the technical field of preparation technology of aluminate cement, in particular to a processing method for adding admixture to aluminate cement. Background technique [0002] Aluminate cement is a hydraulic cementitious material made of bauxite and limestone as raw materials, calcined clinker with calcium aluminate as the main component and an alumina content of about 50%, and then ground. Aluminate cement is often brown or brown, and some are gray. The main mineral of aluminate cement is monocalcium aluminate (CaO·Al 2 o 3 , abbreviated CA) and other aluminates, and a small amount of dicalcium silicate (2CaO·SiO 2 ), etc., the colors are mostly gray and white. [0003] However, as there are more and more manufacturers of calcium aluminate series products nationwide, and the bauxite resources are limited, the raw material bauxite is also less and less, resulting in high production costs, making it difficult for manufacture...

Claims

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Application Information

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IPC IPC(8): C04B7/36C04B7/32C04B7/48C04B7/52
CPCC04B7/32C04B7/36C04B7/48C04B7/52
Inventor 陈伟强杨超波李武生姚开珍
Owner 贵州宇丰熔料有限公司
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