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Toe wall castable

A technology of castables and low walls, applied in the field of castables, can solve the problems of low bulk density and weak wear resistance, and achieve the effect of increasing bulk density, improving bulk density and wear resistance, and reducing the amount of water added

Inactive Publication Date: 2017-12-26
山东同得利集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, traditional castables have low bulk density and weak wear resistance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Silicon carbide: particle size 1mm-3mm accounts for 4%,

[0042] Particle size 0mm-1mm accounts for 5%,

[0043] Particle size of 200 mesh accounts for 6%, totaling 15%;

[0044] Burnt gems: 8% of the particle size is 5mm-8mm,

[0045] Particle size 3mm-5mm accounted for 7%,

[0046] Particle size 1mm-3mm accounts for 5%,

[0047] Particle size 0mm-1mm accounts for 7%,

[0048] Particle size of 200 mesh accounts for 4%, totaling 31%;

[0049] High-alumina homogenized material: particle size 5mm-8mm accounts for 11%,

[0050] Particle size 3mm-5mm accounts for 15%,

[0051] Particle size 1mm-3mm accounts for 9%,

[0052] Particle size 0mm-1mm accounts for 4%,

[0053] Particle size of 200 mesh accounts for 7%, totaling 46%;

[0054] Potassium feldspar fine powder: 4%;

[0055] Corundum powder: 3%;

[0056] CA-70 aluminate cement: 5%;

[0057] Silica fume: 5%;

[0058] α-alumina micropowder: 4%;

[0059] Sodium tripolyphosphate: 0.075%;

[0060] Sodium hexa...

Embodiment 2

[0062] Embodiment two, silicon carbide: particle diameter 1mm-3mm accounts for 3%,

[0063] Particle size 0mm-1mm accounts for 4%,

[0064] Particle size of 200 mesh accounts for 5%, totaling 12%;

[0065] Burnt gems: 6% of the particle size is 5mm-8mm,

[0066] Particle size 3mm-5mm accounts for 5%,

[0067] Particle size 1mm-3mm accounted for 3%,

[0068] Particle size 0mm-1mm accounts for 5%,

[0069] Particle size of 200 mesh accounts for 2%, totaling 21%;

[0070] High-aluminum homogenized material: 9% of the particle size is 5mm-8mm,

[0071] Particle size 3mm-5mm accounted for 13%,

[0072] Particle size 1mm-3mm accounts for 7%,

[0073] Particle size 0mm-1mm accounts for 2%,

[0074] Particle size of 200 mesh accounts for 5%, totaling 36%;

[0075] Potassium feldspar fine powder: 3%;

[0076] Corundum powder: 3%;

[0077] CA-70 aluminate cement: 4%;

[0078] Silica fume: 5%;

[0079] α-alumina micropowder: 4%;

[0080] Sodium tripolyphosphate: 0.075%;

...

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Abstract

The invention relates to a toe wall castable. According to a specific technical scheme, the formula comprises the following components by mass percentage: 12-15% of silicon carbide, wherein silicon carbide with a particle size of 1mm-3mm accounting for 3-4%, silicon carbide with a particle size of 0mm-1mm accounting for 4-5%, silicon carbide with a particle size of 200 meshes accounting for 5-6%; 21-31% of flint clay, wherein flint clay with a particle size of 5mm-8mm accounting for 6-8%, flint clay with a particle size of 3mm-5mm accounting for 5-7%, flint clay with a particle size of 1mm-3mm accounting for 3-5%, flint clay with a particle size of 0mm-1mm accounting for 5-7%, and flint clay with a particle size of 200 meshes accounting for 2-4%; 36-46% of a high aluminum homogenized material, wherein the high aluminum homogenized material with a particle size of 5mm-8mm accounting for 9-11%, the material with a particle size of 3mm-5mm accounting for 13-15%, the material with a particle size of 1mm-3mm accounting for 7-9%, the material with a particle size of 0mm-1mm accounting for 2-4%, and the material with a particle size of 200 meshes accounting for 5-7%; 3-4% of potash feldspar fine powder; 3% of corundum micropowder; 4-5% of CA-70 aluminate cement; 5% of silica fume; 4% of alpha-alumina micropowder; 0.075% of sodium tripolyphosphate; 0.075% of sodium hexametaphosphate; and 0.08% of anti-burst fiber.

Description

technical field [0001] The invention relates to a casting material, in particular to a low wall casting material. Background technique [0002] The grate cooler is an important part of the cement clinker firing system. Its function is to cool and transport the high-temperature clinker, and to recover heat at the same time. As one of the key equipments of the cement clinker production system, the working condition of the grate cooler has always been the focus of people's research and improvement. The low walls on both sides of the front end have been worn by the high-temperature clinker passing through the kiln mouth for a long time, and they are also damaged by certain mechanical stress and thermal stress. Combined with the operation characteristics of the low wall at the front end of the grate cooler, it is suitable to use high-strength wear-resistant castables with better high-temperature performance, stronger thermal shock resistance, and wear resistance. [0003] Casta...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/66
CPCC04B35/66
Inventor 王振利
Owner 山东同得利集团有限公司