Excitant for inferior lime-cement mixed material and preparation method thereof

Abstract

The invention discloses an excitant for an inferior lime-cement mixed material. The excitant is characterized by comprising the following materials in percentage by weight: 25 to 35% of diethanol amine, 1 to 5% of calcium lignosulphonate, 4 to 8% of alkylbenzene polymerase sodium sulfonate, 8 to 12% of sugar calcium, 2 to 4% of barium sulfate, 2 to 6% of nanometer titanium oxide, and the balance of water. The excitant has the main advantages as follows: 1, 10 to 25% of the output per cement mill is increased, and 10 to 20% of electricity consumption in grinding is saved; 2, nearly 25% of strength of the cement in each stage is increased, and 8 to 15% of the amount of used low-activity cement mixture is increased while the strength of the cement in each stage is remained; 3, about 40 minutes in initial set and final set of the cement is reduced, and the benefit is provided for the construction and use of the cement; and 4, about **** of cement is improved based on the comprehensive economic benefit.

Description

technical field [0001] The invention belongs to cement grinding aids, in particular to an activator for inferior limestone cement admixtures and a preparation method thereof. Background technique [0002] At present, the production and use of cement in my country has reached a peak period. The large amount of slag and other active cement mixed in the cement production process makes the supply of slag in short supply, and when the slag is stored for too long, the internal active components are prone to hydration reaction, which greatly reduces its activity, and at the same time, the slag is easy to grind. The coefficient is relatively high, which leads to a reduction in the output of cement mills per hour, an increase in power consumption for grinding, and an increase in the cost of cement enterprises year by year. [0003] Most of the natural resources that can be used for cement production are inactive inferior limestone and other admixtures (such as limestone, volcanic ro...

AI Technical Summary

Problems solved by technology

The large amount of slag and other active cement mixed in the cement production process makes the supply of slag in short supply, and when the slag is stored for too long, the internal active components are prone to hydration reaction, which greatly reduces its activity, and at the same time, the slag is easy to grind. The coefficient is relatively high, which leads to a decrease in the output of the cement mill per unit, an increase in the power consumption of the grinding, and an increase in the cost of the cement enterprise year by year.

[0003] Most of the natural resources that can be used for cement production are inactive inferior limestone and other admixtures (such as limestone, volcanic rock, coal gangue, etc.), these resources are cheap and easy to develop, but inactive inferior limestone admixtures are in the cement industry's The application is very unsatisfactory, and the reason is that the inactive inferior limestone admixture cannot meet the needs of cement enterprises. This type of admixture is less active than slag, and when the amount added in cement production leads to a significant decline in cement strength, the cement’s Quality is not well guaranteed

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