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Raw materiel cement additive and application thereof

A technology of cement additives and additives, applied in the field of cement additives, can solve problems such as poor effect and reduce energy consumption, and achieve the effects of saving grinding power consumption, improving grinding efficiency, and reducing activation energy

Inactive Publication Date: 2021-04-16
江西富创新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] When the inventor was researching raw material additives, he found that how to reduce energy consumption during raw meal calcination has always been a difficult problem in the industry. The inventor tried to reduce energy consumption by mixing abrasives and combustion aids, but the effect was not good

Method used

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  • Raw materiel cement additive and application thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A raw cement additive comprises the following materials in parts by weight: 8-15 parts of diethanol monoisopropanolamine, 25 parts of sodium tripolyphosphate, 7 parts of molasses, 15 parts of propylene glycol, 6 parts of nitrophenol, calcium chloride 15 parts, 3 parts of potassium nitrate, 5 parts of sodium nitrate, 8 parts of sodium silicate, 6 parts of sodium carbonate, 5 parts of sodium bicarbonate, 15 parts of modified sodium humate, and 80 parts of water.

[0023] The preparation method of described modified sodium humate comprises the following steps:

[0024] (1) Take humic acid ore powder, sodium hydroxide, sodium thiosulfate, add distilled water to mix, stir at 100-120 rpm, react at 100°C for 80 minutes, then centrifuge for 10 minutes at a speed of 3500 rpm, take supernatant;

[0025] (2) The supernatant is placed in a stainless steel tray, and dried in an oven at 80-180° C. to constant weight to obtain modified sodium humate.

[0026] The preparation method ...

Embodiment 2

[0028] A raw cement additive comprises the following materials in parts by weight: 8-15 parts of diethanol monoisopropanolamine, 15 parts of sodium tripolyphosphate, 3 parts of molasses, 8 parts of propylene glycol, 1 part of nitrophenol, calcium chloride 10 parts, 1 part potassium nitrate, 1 part sodium nitrate, 2 parts sodium silicate, 1 part sodium carbonate, 2 parts sodium bicarbonate, 8 parts modified sodium humate, 50 parts water.

[0029] The preparation method of described modified sodium humate comprises the following steps:

[0030] (1) Take humic acid ore powder, sodium hydroxide, sodium thiosulfate, add distilled water to mix, stir at 100-120 rpm, react at 100°C for 80 minutes, then centrifuge for 10 minutes at a speed of 3500 rpm, take supernatant;

[0031] (2) The supernatant is placed in a stainless steel tray, and dried in an oven at 80-180° C. to constant weight to obtain modified sodium humate.

[0032] The preparation method of the sodium tripolyphosphate ...

Embodiment 3

[0034] A raw cement additive comprising the following materials in parts by weight: 10 parts of diethanol monoisopropanolamine, 18 parts of sodium tripolyphosphate, 4 parts of molasses, 10 parts of propylene glycol, 3 parts of nitrophenol, and 12 parts of calcium chloride , 1 part of potassium nitrate, 1 part of sodium nitrate, 2 parts of sodium silicate, 1 part of sodium carbonate, 2 parts of sodium bicarbonate, 8 parts of modified sodium humate, and 50 parts of water.

[0035] The preparation method of described modified sodium humate comprises the following steps:

[0036] (1) Take humic acid ore powder, sodium hydroxide, sodium thiosulfate, add distilled water to mix, stir at 100-120 rpm, react at 100°C for 80 minutes, then centrifuge for 10 minutes at a speed of 3500 rpm, take supernatant;

[0037] (2) The supernatant is placed in a stainless steel tray, and dried in an oven at 80-180° C. to constant weight to obtain modified sodium humate.

[0038] The preparation meth...

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Abstract

The invention aims to provide a raw material cement additive. The additive comprises the following substances in parts by weight: 8-15 parts of diethanol isopropanol amine, 15-25 parts of sodium tripolyphosphate, 3-7 parts of molasses, 8-15 parts of propylene glycol, 1-6 parts of nitrophenol, 10-15 parts of calcium chloride, 1-3 parts of potassium nitrate, 1-5 parts of sodium nitrate, 2-8 parts of sodium silicate, 1-6 parts of sodium carbonate, 2-5 parts of sodium bicarbonate and 8-15 parts of modified sodium humate. According to the additive, gaps among raw material particles are reduced, a material layer is more stable, grinding of a grinding roller is more sufficient, the grinding efficiency of the raw material is effectively improved, the grinding power consumption is reduced, through interaction of mutual permeation, catalysis, oxidation and the like of components in the combustion process, the activation energy of the carbon oxidation reaction is promoted to be reduced, macromolecular organic matter cracking is accelerated, oxygen consumption is reduced, stable and sufficient combustion is achieved, and therefore the coal saving effect is achieved.

Description

technical field [0001] The invention relates to the field of cement additives, in particular to a raw meal cement additive and its application. Background technique [0002] Since 2011, my country's annual cement output has been more than 2 billion tons. By the end of 2018, there had been a total of 1,681 new dry-process cement production lines nationwide, and the clinker design capacity had reached more than 1.8 billion tons. While the cement industry is developing, its consumption of limestone, clay, coal and other resources and energy, as well as its environmental impact have also reached an astonishing level. With the improvement of people's awareness of environmental protection, more advanced technology is urgently needed to reduce the consumption of energy and resources in the clinker preparation process, reduce the emission of harmful gases, and realize the sustainable development of the cement industry. Raw meal production is a basic link in the cement production pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B7/42
Inventor 滕景鹏刘立功魏德柱蒋忠
Owner 江西富创新材料有限公司
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