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A kind of grinding aid and its application

A technology of grinding aids and additives, applied in the field of grinding aids, can solve the problems of inability to biochemical treatment, waste of resources, high energy consumption, etc., and achieve the effects of comprehensive utilization of low-cost resources, comprehensive utilization of resources, and improvement of material fluidity

Active Publication Date: 2019-12-27
湖南昌迪环境科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The total amount of wastewater in the country is about 800,000 tons / year (in terms of 50% concentration), and the COD is high, so it cannot be directly treated by biochemical treatment
The currently widely used incineration method not only has a large investment and energy consumption, but also has a certain environmental impact, and it is also a waste of resources.

Method used

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  • A kind of grinding aid and its application
  • A kind of grinding aid and its application
  • A kind of grinding aid and its application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment SA1

[0061] Examples SA1-SA5

[0062] Liquid A was mixed with cement clinker (commercial grade PI cement), slag (Masteel Group) and phosphate rock (Jingmen Jingxiang Phosphate Mining Company) in different weight ratios for grinding treatment. The specific conditions and results See Table 1-3.

[0063] Table 1: Grinding conditions and results of Comparative Example DA1 and Examples SA1-SA5

[0064]

[0065] Table 2: Slag grinding conditions and results of Comparative Example DA1 and Examples SA1-SA5

[0066]

[0067] Table 3: Phosphate rock grinding conditions and results of Comparative Example DA1 and Examples SA1-SA5

[0068]

[0069]Can find out from table 1-3 result: 1, after adding saponification waste lye, the fluidity of all materials all improves; After the lye, the specific surface area of ​​the materials in Examples SA1-SA5 all increases, but excessive addition will greatly improve the fluidity of the material, reduce the friction between the material and the g...

Embodiment SB1

[0072] Liquid A was used as a grinding aid and mixed with cement clinker at a ratio of 0.05% by weight for grinding treatment. The specific conditions and results are shown in Table 4.

Embodiment SB2

[0074] Add sulfuric acid to liquid A to adjust the pH value to 10, then use it as a grinding aid, and mix cement clinker in the proportion of 0.05% by weight for grinding treatment. The specific conditions and results are shown in Table 4.

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Abstract

The invention provides a grinding aid and application thereof. The grinding aid contains waste saponification lye produced in preparation of cyclohexanone by cyclohexane oxidation. The grinding aid provided by the invention can achieve recycling of the waste saponification lye produced in preparation of cyclohexanone by cyclohexane oxidation, and has a good assistant grinding effect.

Description

technical field [0001] The invention relates to a grinding aid and its application. Background technique [0002] Building materials are an important basic raw material industry that supports social and economic development. Among them, cement and concrete are indispensable basic materials for construction projects and various structures. They have a wide range of uses, large quantities, stable performance and durability. Taking cement production as an example, the existing cement production process is "two grindings and one burning", that is, grinding of raw materials, calcining and final grinding of cement. The equipment used for grinding is roller press, vertical mill and ball mill. The grinding process consumes a lot of energy in the cement production process, and the energy utilization rate is extremely low, resulting in a large amount of energy consumption in cement production every year. In the modern cement industry, building material grinding aids have become one o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B7/52C04B24/00C04B103/52
CPCC04B7/52C04B24/001C04B40/0039C04B2103/52C04B2103/12C04B2103/0094C04B2103/50C04B2103/0068
Inventor 钱文斌
Owner 湖南昌迪环境科技有限公司