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Electrolytic manganese residue baking-free brick and preparation method thereof

A technology of electrolytic manganese slag and unburned bricks, which is applied in the direction of sustainable waste treatment, solid waste management, climate sustainability, etc., can solve the problems of low utilization rate of electrolytic manganese slag, environmental pollution, etc., to reduce stockpiling, reduce Cost, Pollution Reduction Effect

Active Publication Date: 2019-07-12
广东泉兴生态科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the problems of low utilization rate of electrolytic manganese slag and environmental pollution in the process of resource utilization of electrolytic manganese slag in the prior art, the first purpose of the present invention is to provide a kind of burn-free brick with high strength and good water resistance, The unfired brick uses electrolytic manganese slag as the main raw material, which can effectively consolidate electrolytic manganese slag, reduce the pollution of its toxic and harmful substances to the environment, and can use electrolytic manganese slag on a large scale to realize the resource of electrolytic manganese slag Utilization is conducive to the industrial production of unburned bricks

Method used

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  • Electrolytic manganese residue baking-free brick and preparation method thereof
  • Electrolytic manganese residue baking-free brick and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0025] Take electrolytic manganese slag from a manganese mining company in Guangxi, mix electrolytic manganese slag, lime, water-quenched slag, and cement clinker in a ratio of 40:3:45:12, and then grind it with SM-500 test mill Cement M, then put cement M, electrolytic manganese slag, 5-10mm waste rock, and water into the mortar mixer according to the ratio of 15:29:40:16, and send it to the brick making machine after stirring for 3 minutes, using LM-02 Extrusion molding is carried out on a digital dynamometer, and a molding pressure of 20MPa is selected. After reaching the molding pressure, the pressure is stabilized for 3 minutes and then unloaded to make brick embryos. Send to the storage site, avoid direct sunlight and rain, and dry naturally for 7 days to become finished bricks. Its compressive strength was measured to be 21.08MPa, reaching the strength standard of unburned bricks.

[0026] The non-burning brick was maintained for 28 days, and the heavy metal toxicity d...

Embodiment 2

[0030] Take electrolytic manganese slag from a manganese mining company in Guangxi, mix electrolytic manganese slag, lime, water-quenched slag, and cement clinker in a ratio of 40:3:45:12, and then grind it with SM-500 test mill Cement M, and then put cement M, electrolytic manganese slag, waste rock, and water into the mortar mixer according to the ratio of 15:36:35:14, and send it to the brick making machine after stirring for 3 minutes, using LM-02 digital Extrusion molding is carried out on a dynamometer, and a molding pressure of 20MPa is selected. After reaching the molding pressure, the pressure is stabilized for 3 minutes and then unloaded to make a brick embryo. Send to the storage site, avoid direct sunlight and rain, and dry naturally for 7 days to become finished bricks. Its compressive strength was measured to be 17.24MPa, reaching the strength standard of unburned bricks.

[0031] Unburned bricks for heavy metal toxicity detection and analysis

[0032]

[00...

Embodiment 3

[0035]Take electrolytic manganese slag from a manganese mining company in Guangxi, mix electrolytic manganese slag, lime, water-quenched slag, and cement clinker in a ratio of 40:3:45:12, and then grind it with SM-500 test mill Cementing agent MM, then put cementing agent MM, electrolytic manganese slag, waste rock and water into the mortar mixer according to the ratio of 15:39:30:16, and send it to the brick making machine after stirring for 3 minutes, using LM-02 digital Extrusion molding is carried out on a dynamometer, and a molding pressure of 20MPa is selected. After reaching the molding pressure, the pressure is stabilized for 3 minutes and then unloaded to make a brick embryo. Send to the storage site, avoid direct sunlight and rain, and dry naturally for 7 days to become finished bricks. The measured compressive strength is 12.89MPa, reaching the strength standard of unburned bricks.

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Abstract

The invention discloses an electrolytic manganese residue baking-free brick and a preparation method thereof. The electrolytic manganese residue baking-free brick is prepared from a cementing agent M,electrolytic manganese residues, waste stone, water and the like through extrusion and curing, wherein the cementing agent M is composed of electrolytic manganese residues, lime, water-quenched slagand cement clinker. The baking-free brick takes electrolytic manganese residue waste as the main raw material to obtain higher compressive strength and better water resistance, so that the problem that the electrolytic manganese slag is stacked and pollutes the environment is solved, and a novel formula for preparing the baking-free brick is developed.

Description

technical field [0001] The invention relates to an unfired brick, in particular to a method for preparing an unfired brick by using electrolytic manganese slag as a main raw material for its resource utilization, and belongs to the field of solid waste resource utilization. Background technique [0002] Manganese is an important basic material in the national economy and one of the country's important strategic resources. Due to the lack and insufficiency of manganese production technology, 7-8 tons of electrolytic manganese slag should be produced to produce 1 ton of manganese. At present, my country's proven manganese ore reserves are more than 600 million tons, so a large amount of electrolytic manganese slag will be produced. The particle size of the manganese slag is ultra-fine and rich in sulfate so that it is difficult to handle. Nowadays, the domestic electrolytic manganese slag is mainly stored naturally, resulting in Occupying a large amount of land, often years of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/08C04B18/14
CPCC04B28/08C04B2111/00767C04B2201/50C04B7/00C04B18/149C04B22/064C04B18/12Y02W30/91
Inventor 汪韦兴彭精智张炎张凯罗文兵周明华
Owner 广东泉兴生态科技有限公司
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