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Electrolytic manganese residue and shale sintered product and production method thereof

A technology for electrolytic manganese slag and sintered products, which is applied in the field of resource utilization of electrolytic manganese slag, and achieves the effect of reducing frost damage and less material.

Active Publication Date: 2022-05-17
广西建筑材料科学研究设计院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims at the problems existing in the existing sintered products of electrolytic manganese slag, and provides a sintered product of electrolytic manganese slag and shale and its production method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A sintered product of electrolytic manganese slag and shale, comprising: 50 parts by weight of shale, 50 parts of electrolytic manganese slag and 20 parts of barium carbonate.

[0016] The production method of the sintered product of electrolytic manganese slag and shale comprises the following steps: (1) weighing barium carbonate and electrolytic manganese slag according to the proportion, putting them into a stirring device, and adding 20% ​​of the total weight of electrolytic manganese slag and barium carbonate Stir with water, and then place it at 70°C for 40 minutes; (2) Aging: add shale to the pretreated mixture according to the proportion, and then add electrolytic manganese slag, barium carbonate and shale. 20% water is fully stirred, and after stirring, all materials are sealed and stored, and left to stand for 36 hours; (3) Extrusion molding: Extrude the aged materials according to the shape and size required by the sintered product; (4) Drying: Dry the extrud...

Embodiment 2

[0018] A sintered product of electrolytic manganese slag and shale, comprising: 60 parts by weight of shale, 40 parts of electrolytic manganese slag and 16 parts of barium carbonate.

[0019] The production method of the sintered product of electrolytic manganese slag and shale comprises the following steps: weighing barium carbonate and electrolytic manganese slag according to the proportion, putting them into a stirring device, and adding water accounting for 25% of the total weight of electrolytic manganese slag and barium carbonate for stirring , and then placed at 60°C for 60 minutes; (2) Aging: add shale to the pretreated mixture according to the ratio, and then add 18% of the total weight of electrolytic manganese slag, barium carbonate and shale Fully stir with water, seal and store all materials after stirring, and let stand for 24 hours; (3) Extrusion molding: extrude the aged materials according to the shape and size required by the sintered product; (4) Drying: put ...

Embodiment 3

[0021] A sintered product of electrolytic manganese slag and shale, comprising: 70 parts by weight of shale, 30 parts of electrolytic manganese slag and 12 parts of barium carbonate.

[0022]The production method of the sintered products of electrolytic manganese slag and shale includes the following steps: (1) Pretreatment: weigh the barium carbonate and electrolytic manganese slag according to the proportion, put them into the stirring equipment, and add Stir with 30% water, then place it at 40°C for 80 minutes; (2) Aging: add shale to the pretreated mixture according to the ratio, and then add electrolytic manganese slag, barium carbonate and shale The water with a total weight of 22% is fully stirred, and after stirring, all materials are sealed and stored, and left to stand for 18 hours; (3) Extrusion molding: Extrude the aged materials according to the shape and size required by the sintered product; ( 4) Drying: Dry the extruded billet at natural room temperature for 2 ...

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Abstract

The invention provides an electrolytic manganese residue and shale sintered product and a production method thereof. The electrolytic manganese residue and shale sintered product comprises the following components in parts by weight: 50-70 parts of shale, 30-50 parts of electrolytic manganese residue and 12-20 parts of barium carbonate. The production method comprises the working procedures of electrolytic manganese residue pretreatment, burdening, aging, extrusion forming, drying, roasting and the like. According to the sintered product, large-scale application of solid waste resources of the electrolytic manganese residues can be achieved, the problems that in the sintered product of the electrolytic manganese residues and the shale, the drying shrinkage rate of the product is large, the cracking phenomenon occurs, and the strength is low are effectively solved, the scumming harm of the finished product can be eliminated or relieved, and ugly white spots are prevented from being formed on the surface of the product.

Description

technical field [0001] The invention relates to the field of resource utilization of electrolytic manganese slag, in particular to a sintered product of electrolytic manganese slag and shale and a production method thereof. Background technique [0002] At present, the electrolytic manganese enterprises in my country basically use landfill to deal with manganese slag. The key to landfill disposal lies in the construction of slag yards. my country has strict regulations on the construction of slag yards. According to the "General Industrial Solid Waste Storage and Landfill Pollution "Control Standard" (GB 18599-2020) is implemented. For electrolytic manganese enterprises with a scale of 10,000 tons / year, the manganese slag dump site designed and established according to the standard, only the anti-seepage system and leachate collection system will require tens of millions of investment In addition to the annual maintenance cost of millions, it is difficult for enterprises to be...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B33/04C04B33/13C04B33/138C04B33/32
CPCC04B33/04C04B33/138C04B33/131C04B33/32C04B2235/96Y02P40/60
Inventor 欧天安农玉伯潘荣伟梁雅倩陈霏
Owner 广西建筑材料科学研究设计院有限公司
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