Ternary composite self-repairing unfired sliding plate brick and preparation method thereof

A ternary composite, sliding brick technology, applied in the field of refractory materials, can solve the problems of accelerating the melting loss of refractory materials, and achieve the effect of slowing down the damage speed, compact structure and high purity

Active Publication Date: 2022-01-28
MAANSHAN LIER KAIYUAN NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its defect is that Al and carbon react preferentially during heating, producing Al4C3 on the surface of the refractory, and then Al evaporates from the

Method used

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  • Ternary composite self-repairing unfired sliding plate brick and preparation method thereof
  • Ternary composite self-repairing unfired sliding plate brick and preparation method thereof
  • Ternary composite self-repairing unfired sliding plate brick and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0069] Example 1

[0070] The three-dimensional composite self-repair free flashed skateboard brick, its formulation is:

[0071]

[0072] Further, the above-mentioned raw materials and ratios are prepared, and the three-membered composite self-repairless skateboard tiles of the present embodiment are prepared, and the steps are:

[0073] (1) ingredients of pellets: 5 parts by weight of the raw material mass parts; 3 to 1 mm large crystal electrical magnesium sand, 25 parts of 2 to 1 mm large crystal electromagnesium sand, 1 to 0.5 mm large crystalline electromarnium 15 parts of sand, 0.5 ~ 0 mm large crystalline electrical melt magnesium sand,

[0074] (2) Premix powder: 18 parts of the composite powder major crystalline electric meltragonal silica sand, 1 graphite, 0.5 parts of Al4Sic4 micropowder, 0.5 parts of nanocarbine micropowder, 325 mesh metal AL powder, 200 0.5 parts of metallic Si powder, 1.5 parts of 325 mesh metal titanium powder, 1.5 parts of carbide, 0.5 parts of ...

Example Embodiment

[0081] Example 2

[0082] This example uses the formulation of the second embodiment shown in Table 1, and prepares ternary composite self-repairing flask bricks, wherein the parameter conditions of the preparation method are different. The steps are:

[0083] (1) ingredients of pellets: according to the material mass parts of the material; 3 ~ 1 mm large crystal electrical melad magnesium sand 10 parts, 2 to 1 mm large crystal electrical magnesium sand, 1 to 0.5 mm large crystallization electromarnium 12 parts of sand, 0.5 ~ 0 mm large crystalline electrical melt mita sand.

[0084] (2) Premix powder: 18 parts of the composite powder 200 major crystalline electrical measters, 2 parts of graphite, 1 of Al4Sic4 micropowder, 0.5 parts of nanocarbine fine powder, 325 mesh metal AL powder 5 parts, 200 1 part of the metallic Si powder, 3 parts of 325 mesh metal titanium powder, 1 carbide boron, 1 part of borogenated silicon mixed 30 min under vacuum mixer, so that the respective fine p...

Example Embodiment

[0091] Example 3

[0092] This example uses the formulation of the second embodiment shown in Table 1, and prepares ternary composite self-repairing flask bricks, wherein the parameter conditions of the preparation method are different. The steps are:

[0093] (1) ingredients of particles: 8 parts of the raw material mass parts; 3 to 1 mm large crystal electromagnesium sand 8 parts, 2 to 1 mm large crystal electrical magnesium sand 22 parts, 1 to 0.5 mm large crystal electromarnium 13 parts of sand, 0.5 ~ 0 mm large crystalline electrolid magnesium mita.

[0094] (2) Premix powder: 20 parts of the composite powder 200 major crystalline electrical melt, 3 parts of graphite, Al 4 Sic 4 1.5 parts of fine powder, 1.5 parts of nano silicon carbide, 8 parts of 325 mesh metal AL powder, 200 mesh metal Si powder 1.5 parts, 325 mesh metal titanium powder 4.5 parts, carbide 0.5 parts, 0.5 parts of boride mixer under vacuum mixer Mix 30 min, so that all fine powder components are evenly disp...

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Abstract

The invention discloses a ternary composite self-repairing unfired sliding plate brick and a preparation method thereof. The ternary composite self-repairing unfired sliding plate brick is prepared from the following components in percentage by mass: 5 to 10 parts of macrocrystalline fused magnesite with the particle size of 3 to 1mm, 15 to 25 parts of macrocrystalline fused magnesite with the particle size of 2 to 1mm, 5 to 15 parts of macrocrystalline fused magnesite with the particle size of 1 to 0.5 mm, 5 to 10 parts of macrocrystalline fused magnesite with the particle size of 0.5 to 0mm, 12 to 20 parts of 200-mesh macrocrystalline fused magnesite, 1 to 4 parts of -197 graphite, 0.5 to 3 parts of Al4SiC4 micro powder, 0.5 to 2 parts of nano SiC micro powder, 3 to 8 parts of 325-mesh metal Al powder, 0.5 to 3 parts of 200-mesh metal Si powder, 0.5 to 2 parts of boron carbide, 0.5 to 1 part of silicon boride, 2 to 4 parts of thermosetting phenolic resin and 2 to 4 parts of organic silicon resin. The ternary composite self-repairing sliding plate brick has a self-repairing function when being used at high temperature, and the oxidation resistance and high-temperature stability of a sliding plate are remarkably improved.

Description

technical field [0001] The invention belongs to the technical field of refractory materials, and in particular relates to a ternary composite self-repairing sliding brick and a preparation method thereof, and also relates to a manufacturing method of the above-mentioned sliding brick. Background technique [0002] As a functional refractory material to control the flow of molten steel, the sliding nozzle can precisely adjust the flow of water 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, and it is indispensable in smelting part. Since the sliding nozzle plate is a part that controls the flow of molten steel, its operating temperature is as high as 1600°C, so it is required to have extremely high performance, and it needs to be able to cope with various harsh service conditions in terms of materials, such as repeated thermal shock and wear, molten...

Claims

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Application Information

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IPC IPC(8): C04B35/66C04B35/043B22D41/32
CPCC04B35/043B22D41/32C04B2235/78C04B2235/9607C04B2235/3817C04B2235/404C04B2235/425C04B2235/3826C04B2235/5454C04B2235/402C04B2235/428C04B2235/3821C04B2235/3804
Inventor 徐昆波原慧余西平张远红赵锋
Owner MAANSHAN LIER KAIYUAN NEW MATERIAL
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