Steel slag activity exciting agent, active steel slag powder comprising same and application of active steel slag powder

A technology of active activator and steel slag powder, which is applied in the field of building materials, can solve the problems of low active material content, low activity, and low utilization rate, and achieve the effects of increased activity of steel slag, catalytic activator, and high utilization rate

Active Publication Date: 2021-07-30
盛海聚源(山东)科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the problems of low potential active substance content, low activity and low utilization rate of steel slag, the object of the present invention is to provide a steel slag active stimulator and its use method, The activator of the present invention can effectively improve the activity of steel slag

Method used

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  • Steel slag activity exciting agent, active steel slag powder comprising same and application of active steel slag powder
  • Steel slag activity exciting agent, active steel slag powder comprising same and application of active steel slag powder
  • Steel slag activity exciting agent, active steel slag powder comprising same and application of active steel slag powder

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A steel slag active activator, the activator is composed of the following materials mixed uniformly in parts by mass: 15 parts of kaolin, 30 parts of diatomaceous earth, 10 parts of dried sludge, 15 parts of Na 2 CO 3 , 3 parts KClO 3 , 0.5 part sodium N-acyl peptide, 1 part FeCl 3 , 1 part of lanthanide catalyst;

[0026] Mix the above-mentioned components evenly and grind them, the specific surface area is 200m 2 / kg, to obtain steel slag active stimulator;

[0027] Described lanthanide catalyst is lanthanum nitrate;

[0028] The dried sludge is dried sludge particles with a water content of 5%.

[0029] Spray 8% activator into the liquid steel slag discharged from the boiler, mix evenly, then lower the temperature and grind to obtain active steel slag powder; the specific surface area of ​​the ground active steel slag powder is 400m 2 / kg.

Embodiment 2

[0031] A steel slag active activator, the activator is composed of the following substances mixed uniformly in parts by mass: 25 parts of kaolin, 20 parts of diatomite, 20 parts of dried sludge, 10 parts of K 2 CO 3 , 7 parts NaClO 3 , 0.1 part sodium N-acyl peptide, 2 parts FeCl 3 , 0.2 part of lanthanide catalyst;

[0032] Mix the components evenly and grind them, the specific surface area is 400m 2 / kg, to obtain steel slag active stimulator;

[0033] Described lanthanide catalyst is lanthanum sulfate;

[0034] The dried sludge is absolutely dry sludge particles with a moisture content of 0%.

[0035] Spray 10% activator into the liquid steel slag discharged from the boiler, mix evenly, then lower the temperature and grind to obtain active steel slag powder; the specific surface area of ​​the ground active steel slag powder is 440m 2 / kg.

Embodiment 3

[0037] A steel slag active activator, the activator is composed of the following materials mixed uniformly in parts by mass: 20 parts of kaolin, 25 parts of diatomaceous earth, 15 parts of dried sludge, 12 parts of Na 2 CO 3 , 5 parts KClO 3 , 0.3 parts of sodium N-acyl peptides, 1.5 parts of FeCl 3 , 0.6 part of lanthanide catalyst;

[0038] Mix the components evenly and grind them, the specific surface area is 325m 2 / kg, to obtain steel slag active stimulator;

[0039] The lanthanide catalyst is that the mass ratio of lanthanum nitrate to lanthanum sulfate is 1:1;

[0040] The dried sludge is dried sludge powder with a water content of 0.4%.

[0041] Spray 12% activator into the liquid steel slag discharged from the boiler, mix evenly, then cool down and grind to obtain active steel slag powder; the specific surface area of ​​the ground active steel slag powder is 550m 2 / kg.

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Abstract

The invention discloses a steel slag activity exciting agent, active steel slag powder comprising the same and application of the active steel slag powder. The steel slag activity exciting agent comprises kaolin, diatomite, dried sludge, alkali metal carbonate, alkali metal chlorate, N-acyl glycine sodium, FeCl3 and a lanthanide catalyst, wherein the alkali metal carbonate is Na2CO3 or K2CO3; and the alkali metal chlorate is KClO3 or NaClO3. The components are uniformly mixed and ground to 200-400 m < 2 >/kg, and the steel slag activity exciting agent is obtained. The steel slag active exciting agent is sprayed into fluidized steel slag discharged from a boiler, and then uniform mixing, cooling, and grinding are conducted to obtain active steel slag powder. The exciting agent can improve the grindability of the steel slag, greatly improve the activity of the steel slag, realize resource utilization of sludge and reduce environmental pollution.

Description

technical field [0001] The invention relates to the field of building materials, in particular to a steel slag active activator, its active steel slag powder and its application. Background technique [0002] Steel slag is a solid waste produced in the steelmaking process, and its production volume reaches 8% to 15% of steel production. Especially, the production of steel slag is increasing rapidly with the continuous development of the steel industry. Therefore, the treatment and resource utilization of steel slag has been paid more and more attention. However, the actual comprehensive utilization of steel slag in my country is not optimistic, especially the utilization rate of converter steel slag is only 10% to 20%. The steel slag produced by domestic iron and steel enterprises cannot be disposed of in time, resulting in a large amount of steel slag occupying land and polluting the environment. However, steel slag is not an unusable solid waste, which contains a large a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B24/12
CPCC04B40/0039C04B14/106C04B14/08C04B18/0427C04B22/10C04B22/12C04B24/124C04B22/085C04B18/142C04B22/142Y02P40/10
Inventor 张学章张一诺高俊彦张磊姜晓妮谭文杰张敏敏董永岩王刚杜雪刚
Owner 盛海聚源(山东)科技发展有限公司
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