Slag compound activating grinding aid and preparation method thereof

Abstract

The invention relates to the technical field of production and processing of cement, and provides a slag compound activating grinding aid and a preparation method thereof. The slag compound activating grinding aid comprises the following components in percentage by weight: 5-10 percent of water glass, 5-10 percent of sodium carbonate, 3-8 percent of sodium abietate, 12-20 percent of betaine mother liquor, 7-12 percent of non-ionic surface active agent, 2-10 percent of molasses, 5-10 percent of water-soluble polymer and the balance of water. The preparation method comprises the steps of: sequentially adding water glass, sodium carbonate, the betaine mother liquor and the non-ionic surface active agent in water with a temperature of 40-65 DEG C according to the weight ratio, uniformly stirring; then adding sodium abietate, molasses and the water-soluble polymer, and uniformly stirring to obtain the liquid slag compound activating grinding aid product. According to the slag compound activating grinding aid, the production cost is lowered, and the damage to the environment is reduced; the slag compound activating grinding aid is stable in application property, and remarkable in effects of enhancing and improving activation grinding assistance of slag and physical properties of the cement.

Description

technical field [0001] The invention belongs to the technical field of cement production and processing, and relates to a grinding aid for grinding slag micropowder, in particular to a slag composite activated grinding aid with catalytic activation and grinding aid functions and a preparation method thereof. Background technique [0002] Slag is a kind of industrial waste produced in the process of blast furnace ironmaking. It is a molten material with silicate and aluminosilicate as the main components. After grinding, it can be used as cement mixture or concrete admixture. Specifically, after being activated by grinding, slag can replace clinker in an equal amount and be used as a cement active mixing material to improve the comprehensive performance of cement; when applied to concrete, it can replace cement and improve the comprehensive performance of concrete. [0003] Slag is a polymer of crystalline phase and glass phase. The former is an inert component and the latter...

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problems of low powder efficiency and insufficient activity excitation in the above-mentioned slag grinding production process, the present invention provides a slag composite activated grinding aid and its preparation method, which uses betaine mother liquor, water-soluble polymer and other components As a raw material, it effectively improves the grinding efficiency and activity of slag, thereby improving the application performance of slag micropowder in the cement industry and realizing the effect of energy saving and consumption reduction

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