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Reinforced type cement grinding aid and preparation method thereof

A cement grinding aid and enhanced technology, applied in the field of cement grinding, can solve problems affecting the service life of concrete, corrosion of concrete steel bars, etc., and achieve the effects of increasing service life, improving performance and reducing production costs

Inactive Publication Date: 2013-03-27
BEIJING ORIENTAL YUHONG WATERPROOF TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Both powder grinding aids and liquid grinding aids contain a large amount of chloride ions, and chloride ions in cement are likely to cause corrosion of steel bars in concrete and affect the service life of concrete

Method used

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  • Reinforced type cement grinding aid and preparation method thereof
  • Reinforced type cement grinding aid and preparation method thereof
  • Reinforced type cement grinding aid and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] An enhanced cement grinding aid, the raw materials used and their mass percentages consist of:

[0019] Triethanolamine 5%, ethylene glycol 25%, naphthalene superplasticizer 30%, sodium oleate 3%, water 37%.

Embodiment 2

[0021] An enhanced cement grinding aid, the raw materials used and their mass percentages consist of:

[0022] 10% triethanolamine, 20% ethylene glycol, 20% naphthalene superplasticizer, 3% sodium oleate, 47% water.

Embodiment 3

[0024] An enhanced cement grinding aid, the raw materials used and their mass percentages consist of:

[0025] Triethanolamine 8%, ethylene glycol 30%, naphthalene superplasticizer 25%, sodium oleate 5%, water 38%.

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Abstract

The invention discloses a reinforced type cement grinding aid and a preparation method thereof. The reinforced type cement grinding aid disclosed by the invention is prepared from triethanolamine, ethylene glycol, naphthalene-based superplasticizer, sodium oleate and water. The reinforced type cement grinding aid disclosed by the technical field has the functions of grinding aiding, improving the strength of the cement in different age periods and enhancing the anti-rust capability of the reinforced concrete; and moreover when the cement produced by using the reinforced type cement grinding aid, reinforcing steel bars of the concrete are prevented from rust.

Description

technical field [0001] The invention belongs to the technical field of cement grinding, and in particular relates to an enhanced cement grinding aid with antirust, grinding aid and enhancement properties. Background technique [0002] The cement production process is referred to as "two grinding and one burning" for short, including raw materials, burning clinker and grinding cement. Among them, cement grinding is the process link with the highest energy consumption in the cement production process, accounting for 60%-70% of the power consumption of the entire production process. %. During the cement grinding process, nearly 95% of the energy disappears as heat dissipation. When the cement fineness reaches a certain level, the efficiency of cement powder selection decreases due to the agglomeration of fine particles, which leads to the deterioration of the grinding condition and the powder The grinding efficiency dropped sharply. In order to improve the grinding situation,...

Claims

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Application Information

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IPC IPC(8): C04B24/12C04B103/52
Inventor 胡铁刚熊卫锋
Owner BEIJING ORIENTAL YUHONG WATERPROOF TECH CO LTD