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A kind of activator and preparation method of copper smelting waste slag applied in concrete

A concrete and copper smelting technology, which is applied in the direction of solid waste management, sustainable waste treatment, climate sustainability, etc., can solve the problem that solid waste cannot be disposed of in a friendly and effective manner, and achieves easy equipment automation, high production efficiency, improved and efficiencies

Active Publication Date: 2021-04-02
湖南振海新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The invention provides an activator for copper smelting waste slag used in concrete and a preparation method thereof, in order to solve the problem that the solid waste produced by copper smelting cannot be disposed of in a friendly and effective manner due to the lack of bulk copper smelting. Smelting waste slag is transformed into a new type of composite admixture that can replace fly ash and mineral powder in concrete, reduce the amount of cement, and be processed into active fine aggregate that can supplement the gradation of machine-made sand
It solves the recycling problem of copper smelting waste residue, and at the same time, solves the problem of mixing waste residue with concrete through chemicals

Method used

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  • A kind of activator and preparation method of copper smelting waste slag applied in concrete

Examples

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Effect test

Embodiment 1

[0016] This embodiment provides an activator for using copper smelting waste slag in concrete and a preparation method thereof. The activator comprises polyoxyethylene ether rich in sulfonic acid group and trifluoromethanesulfonate coordinated by alcohol amine with a total content greater than 90%.

[0017] The preparation method of this activator is as follows:

[0018] a. By mass, 100 parts of polyoxyethylene ether monomers with a molecular weight of 1200 were melted in a stainless steel reactor at 58°C for 45 minutes under normal pressure;

[0019] b. Stir at 42 rpm, add 3 parts of calcium methallylsulfonate and 2 parts of sodium 2-acrylamide-2-methylpropanesulfonate to the above hot melt within 15 minutes;

[0020] c. Mix 0.8 parts of sodium persulfate and 0.2 parts of polyethylene glycol 600 in the premix tank with shear stirring to form a polyethylene glycol emulsion, and add the emulsion evenly into the reactor within 2 hours while stirring at 42 rpm ;

[0021] d. We...

Embodiment 2

[0024] This embodiment provides an activator for using copper smelting waste slag in concrete and a preparation method thereof. The activator comprises polyoxyethylene ether rich in sulfonic acid group and trifluoromethanesulfonate coordinated by alcohol amine with a total content greater than 90%.

[0025] The preparation method of this activator is as follows:

[0026] a. By mass, 100 parts of polyoxyethylene ether monomers with a molecular weight of 2400 were melted in a ceramic reactor at 65°C for 60 minutes under normal pressure;

[0027] b. Stir at a speed of 51 rpm, add 3 parts of calcium methallylsulfonate and 3 parts of sodium 2-acrylamide-2-methylpropanesulfonate to the above hot melt within 30 minutes;

[0028] c. Mix 1.2 parts of sodium persulfate and 0.3 parts of polyethylene glycol 200 in the premix tank with shearing and stirring to form a polyethylene glycol emulsion, and add the emulsion evenly into the reactor within 3 hours under stirring at 51rpm ;

[00...

Embodiment 3

[0032] This embodiment provides an activator for using copper smelting waste slag in concrete and a preparation method thereof. The activator comprises polyoxyethylene ether rich in sulfonic acid group and trifluoromethanesulfonate coordinated by alcohol amine with a total content greater than 90%.

[0033] The preparation method of this activator is as follows:

[0034] a. By mass, 100 parts of polyoxyethylene ether monomers with a molecular weight of 2200 were melted in a ceramic reactor at 70°C for 90 minutes under normal pressure;

[0035] b. Stir at a speed of 60 rpm, add 5 parts of calcium methallylsulfonate and 5 parts of sodium 2-acrylamide-2-methylpropanesulfonate to the above hot melt within 20 minutes;

[0036] c. Mix 1.0 part of sodium persulfate and 0.2 part of polyethylene glycol 800 in the premix tank with shear stirring to form a polyethylene glycol emulsion, and add the emulsion evenly into the reactor within 3.5 hours under stirring at 60 rpm ;

[0037] d....

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Abstract

The invention discloses an activator for application of copper smelting waste residues in concrete and a preparation method of the activator, wherein the activator comprises modified polyoxyethylene ether rich in sulfonic acid groups, trifluoromethanesulfonate and alkylol amine, and the form of the activator is solid powder. The preparation method of the activator has the advantages of mild process conditions, simple and easily-controlled equipment, high production efficiency, zero emission and no pollution; the produced novel activity-excited solid powder additive is convenient to package andtransport, and is easy to mix, grind and add with copper smelting waste residues. When the copper smelting waste slag activated by the activator is applied to concrete, the activity of the copper smelting waste slag is improved; on the premise of ensuring the workability, strength and durability of the concrete, mineral powder and fly ash in the concrete can be replaced, the use amount of cementis reduced, waste is turned into wealth, and the problems of shortage of admixture supply and unstable quality required by green treatment of copper smelting waste residues and concrete production aresolved.

Description

technical field [0001] The invention belongs to the field of green processing and resource utilization of industrial non-hazardous solid waste, and in particular relates to an activator for copper smelting waste slag used in concrete and a preparation method thereof. Background technique [0002] With the improvement of my country's and global environmental protection awareness and the improvement of relevant laws and regulations, bulk industrial solid waste from mining, ore processing, and mineral smelting is facing enormous pressure and technical demand for harmless disposal and resource utilization. [0003] my country's huge demand for copper products has prompted my country to develop into a major copper smelting country. my country's copper smelting output value was nearly 900 billion yuan in 2018 and exceeded 900 billion yuan in 2019. Along with the huge copper output, millions of tons of copper smelting waste are generated every year. In the past, the method of disp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B24/16C04B18/14C08F283/06C08F228/02C08F220/58
CPCC04B18/144C04B40/0046C08F283/06C04B24/166C04B24/16C08F228/02C08F220/585Y02W30/91
Inventor 贺海量
Owner 湖南振海新材料科技有限公司
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