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Sliding plate waste material powder, preparation method thereof, sliding plate external layer material, and sliding plate

A technology of waste powder and skateboard, which is applied in the direction of manufacturing tools, casting equipment, metal processing equipment, etc., can solve the problems of occupation, pollution of the environment, large storage space, etc., and achieve the effects of cost reduction, environmental protection, and excellent comprehensive performance

Inactive Publication Date: 2018-04-10
河南新拓耐火材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, a large amount of waste skateboard mud and dust collection powder are produced during the production process of skateboards. According to statistics, 40-60 tons are produced per month. Because they cannot be used, they take up a lot of storage space and pollute the environment.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] The waste skateboard mud and dust collection powder generated during the skateboard production process are aged in the sedimentation tank;

[0045] Control the temperature indoors at 20-40°C for drying treatment until the water content is ≤15%;

[0046] Carry out carbon embedding treatment through a carbon embedding sagger at 200°C for 8 hours to remove water and waste engine oil;

[0047] Then grind in a vibrating mill to a particle size of 150 mesh;

[0048] The iron remover is used for iron removal, and the skateboard waste powder is packaged.

[0049] The obtained skateboard waste powder contains the following components: aluminum oxide 70%±2%, carbon 3%±1%, iron oxide 1.8%±0.1%, moisture 0.3%±0.05%.

[0050] Take the following main ingredients and mix them with the binder to get the outer material of the skateboard:

[0051] Main ingredients: by weight percentage, high alumina bauxite clinker 65%, the above-mentioned skateboard waste powder 30%, metal silicon 2....

Embodiment 2

[0056] The waste skateboard mud and dust collection powder generated during the skateboard production process are aged in the sedimentation tank;

[0057] Control the temperature indoors at 20-40°C for drying treatment until the water content is ≤15%;

[0058] Carry out carbon embedding treatment through a carbon embedding sagger at 300°C for 8 hours to remove water and waste engine oil;

[0059] Then grind to a particle size of 170 mesh in a vibration mill;

[0060] The iron remover is used for iron removal, and the skateboard waste powder is packaged.

[0061] The obtained skateboard waste powder contains the following components: aluminum oxide 70%±2%, carbon 3%±1%, iron oxide 1.8%±0.1%, moisture 0.3%±0.05%.

[0062] Take the following main ingredients and mix them with the binder to get the outer material of the skateboard:

[0063] Main ingredients: by weight percentage, high alumina bauxite clinker 72%, the above-mentioned skateboard waste powder 20%, metal silicon 5%, ...

Embodiment 3

[0068] The waste skateboard mud and dust collection powder generated during the skateboard production process are aged in the sedimentation tank;

[0069] Control the temperature indoors at 20-40°C for drying treatment until the water content is ≤15%;

[0070] Carry out carbon embedding treatment through a carbon embedding sagger at 500°C for 6 hours to remove water and waste engine oil;

[0071] Then grind to a particle size of 180 mesh in a vibration mill;

[0072] The iron remover is used for iron removal, and the skateboard waste powder is packaged.

[0073] The obtained skateboard waste powder contains the following components: aluminum oxide 70%±2%, carbon 3%±1%, iron oxide 1.8%±0.1%, moisture 0.3%±0.05%.

[0074] Take the following main ingredients and mix them with the binder to get the outer material of the skateboard:

[0075] Main ingredients: by weight percentage, high alumina bauxite clinker 65%, the above-mentioned skateboard waste powder 20%, metal silicon 5%...

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Abstract

The invention belongs to the field of sliding nozzle, and more specifically relates to a sliding plate waste material powder, a preparation method thereof, a sliding plate external layer material, anda sliding plate. The preparation method comprises following steps: waste sliding plate mud and collected dust generated in sliding plate treatment process are subjected to aging treatment so as to obtain a pug, and the pug is dried until water content is reduced to be 15% or lower; carbon sealing treatment is carried out, and powder grinding is carried out until particle size ranges from 150 to 200 meshes; and iron is removed so as to obtain the sliding plate waste material powder. According to the preparation method, direct utilization of waste materials is realized, storage space is reducedgreatly, production benefit is excellent, production cost is reduced, and the environment is protected. The obtained sliding plate waste material powder can be used in sliding nozzle external layer materials, the qualified rate and the utilization effect are stable; the qualified rate is equal to that of products containing no waste sliding plate mud and collected dust, and is as high as 95%; theutilization effects in steel mills are the same, the continuous sliding rate is 1.8 times; the cost of each ton of raw materials is reduced by 300 to 400yuan.

Description

technical field [0001] The invention relates to the field of sliding nozzles, in particular to a sliding board waste powder and a preparation method thereof, a sliding board outer layer material and a sliding board. Background technique [0002] The sliding nozzle is the control device of the molten steel during the casting process of the continuous casting machine. It can accurately adjust the water flow from the ladle to the continuous casting tundish, so that the inflow and outflow of molten steel can be balanced, so that the continuous casting operation is easier to control. During smelting indispensable part. Sliding plate is a commonly used sliding nozzle. The production process of sliding plate for ladle is as follows: various fine powders-premixing-adding granules and binders, pre-mixing fine powders kneading-forming-drying-sintering-oil immersion-roasting - Grinding - Ferrule - Inspection - Finished product. [0003] Skateboards are made of many materials, and the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/103C04B35/622C04B35/626B22D41/32
CPCC04B35/103B22D41/32C04B35/62204C04B35/62605C04B35/6261C04B35/62675C04B2235/3217C04B2235/3272C04B2235/3826C04B2235/422C04B2235/428
Inventor 李巍卫忠现刘光良刘华平都志良
Owner 河南新拓耐火材料有限公司
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