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High-efficiency accelerator for cement production and processing method thereof

A processing method and accelerator technology, which are applied in the field of high-efficiency accelerators for cement production and processing, can solve the problems of insufficient improvement of cement mechanical strength, poor cement water retention, low grinding efficiency, etc., and are conducive to sustainability and enhanced grinding. Excellent performance and the effect of improving Taiwan-hour output

Active Publication Date: 2021-10-29
厦门市三泰合实业有限公司 +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

No matter what kind it is, it needs a higher cost, and the demand for cement grinding aids increases with the increase in cement production. At the same time, the current cement grinding aids still have low grinding efficiency and early cement mechanical strength. Insufficient and poor water retention of cement after grinding

Method used

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  • High-efficiency accelerator for cement production and processing method thereof

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Effect test

Embodiment 1

[0049] A processing method for producing a high-efficiency accelerator for cement, comprising the following steps:

[0050] Step 1: Soak olive pomace, the production waste of olive juice, with a mass concentration of 25% ethanol solution for 90 minutes at a solid-liquid ratio of 1:2. Add 5g of sodium chloride to the mixture, then filter to obtain the filtrate and filter residue, then freeze the filtrate to -5°C, keep it for 24 hours, then filter to remove the ice residue, and obtain the concentrated filtrate;

[0051] Step 2: Add equal volumes of waste hydrochloric acid with a mass fraction of 16% and waste phosphoric acid with a mass fraction of 4% into a container, then place them in an ice-water bath, and use a stirring device to mix and stir at a speed of 200r / min for 30 minutes to prepare a mixed acid Solution, add the oxidized lotus seed starch of 20% of the mass of the mixed acid solution to the mixed acid solution, heat up to 80°C, make a paste, and obtain the lotus se...

Embodiment 2

[0059] A processing method for producing a high-efficiency accelerator for cement, comprising the following steps:

[0060] Step 1: Soak the production waste of olive juice, olive skin pomace, with a mass concentration of 25% in ethanol solution for 90 minutes at a solid-liquid ratio of 1:3. During the soaking process, add sodium chloride to the ethanol solution and stir. Add 10g of sodium chloride to the mixture, then filter to obtain the filtrate and filter residue, then freeze the filtrate to -8°C, keep it for 24h, then filter to remove the ice residue, and obtain the concentrated filtrate;

[0061] Step 2: Add equal volumes of waste hydrochloric acid with a mass fraction of 20% and waste phosphoric acid with a mass fraction of 8% into a container, then place them in an ice-water bath, and mix and stir for 50 minutes with a stirring device at a speed of 250 r / min to prepare a mixed acid Solution, add the oxidized lotus seed starch of 30% mixed acid solution quality to the m...

Embodiment 3

[0069] A processing method for producing a high-efficiency accelerator for cement, comprising the following steps:

[0070] Step 1: Soak the production waste of olive juice, olive skin pomace, with a mass concentration of 25% in ethanol solution for 75 minutes at a ratio of 1:2.5 to liquid. Add 7.5g of sodium chloride to the mixture, then filter to obtain the filtrate and filter residue, then freeze the filtrate, freeze it to -7°C, keep it for 24h, then filter to remove the ice residue, and obtain the concentrated filtrate;

[0071]Step 2: Add equal volumes of waste hydrochloric acid with a mass fraction of 18% and waste phosphoric acid with a mass fraction of 6% into a container, then place them in an ice-water bath, and mix and stir for 40 minutes with a stirring device at a speed of 225 r / min to prepare a mixed acid Solution, add the oxidized lotus seed starch of 25% mixed acid solution quality in the mixed acid solution, heat up to 83 ℃, make paste, obtain lotus seed starc...

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Abstract

The invention provides a high-efficiency accelerator for cement production and a processing method. The method includes soaking olive dregs in an ethanol solution and filtering to obtain a filtrate and a filter residue. The filtrate is subjected to freeze concentration to obtain a concentrated filtrate; Starch grafted polymer is obtained from raw materials, soybean dregs and the above filter residue are dried separately and then mixed and ground, the obtained ground product is mixed with starch grafted polymer, and then distilled water is added to heat to obtain a reaction mixture, and then the reaction mixture is cooled, The fermented liquid obtained from enzymatic hydrolysis and fermentation is mixed with vinyltriethylsilane and heated to obtain a prefabricated liquid, and then the prefabricated liquid, polyol and sodium lignosulfonate are mixed to adjust the pH value, and then organic alcohol amines are sequentially added while stirring compound, ethylene glycol, water and the above-mentioned concentrated filtrate, and finally continue to stir for 20-40min. The invention adopts a lower cost to prepare a high-efficiency accelerator for cement production with better grinding aid enhancement performance.

Description

technical field [0001] The invention relates to the field of production of cement auxiliary material preparations, in particular to a high-efficiency accelerator for cement production and a processing method. Background technique [0002] In cement production, the grinding process is the link with the highest energy consumption, and the energy utilization rate is extremely low, and only a small part is used to increase the specific surface area of ​​the material. Adding a small amount of chemical additives—grinding aids during the grinding process can significantly improve the grinding efficiency and reduce energy consumption. Cement grinding aids are composed of one or several surface active substances. The application effect of most cement grinding aids shows that cement grinding aids can reduce cement particle size, increase specific surface area, improve some physical and chemical properties of cement, and reduce grinding. power consumption etc. [0003] Cement grindin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B24/42C04B103/52
CPCC04B40/0046C04B2103/52C04B24/001C04B24/026C04B22/122C04B22/141C04B24/38C04B24/165C04B2103/0001C04B24/42C04B24/18C04B24/122
Inventor 李燕玲
Owner 厦门市三泰合实业有限公司