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Novel main iron runner casting material

A technology of castables and main iron channels, applied in the field of refractory castables, can solve the problems of poor environmental protection and burst resistance of asphalt castables, and achieve the effects of increasing anti-oxidation performance, resistance to erosion and erosion, and long life

Active Publication Date: 2013-03-27
长兴云峰炉料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The technical problem to be solved by the present invention is to provide a main iron ditch castable, which overcomes the technical defects of asphalt castables in environmental protection and poor burst resistance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The percentage by weight of each component in the pouring material described in embodiment 1 is alumina 12%; Brown corundum 53.12%; SiC14%; Modified nano-carbon powder 4%; SiO 2 Micropowder 4%; calcium aluminate cement 4%; α-Al 2 o 3 Micro powder 7.5%; explosion-proof fiber 0.03%; metal silicon powder 1.2%; sodium tripolyphosphate 0.15%.

Embodiment 2

[0023] The percentage by weight of each component in the pouring material described in embodiment 2 is alumina 15%; Brown corundum 50.35%; SiC13%; Modified nano carbon powder 5%; SiO 2 Micropowder 6%; calcium aluminate cement 3%; α-Al 2 o 3 Micro powder 6%; explosion-proof fiber 0.05%; metal silicon powder 1.45%; sodium tripolyphosphate 0.15%.

Embodiment 3

[0024] The percentage by weight of each component in the pouring material described in embodiment 3 is alumina 10%; Brown corundum 51.35%; SiC20%; Modified nano carbon powder 3%; SiO 2 Micropowder 3%; calcium aluminate cement 2%; α-Al 2 o 3 Micro powder 10%; explosion-proof fiber 0.02%; metal silicon powder 0.48%; sodium tripolyphosphate 0.15%.

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PUM

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Abstract

The invention discloses a novel main iron runner casting material which is prepared from alumina, corundum, SiC, SiO2 micropowder, alpha-Al2O3 micropowder, modified nano carbon powder, explosion-proof fiber, metallic silicon powder, calcium aluminate cement and sodium tripolyphosphate. According to the invention, since the modified nano carbon powder, of which the activity is much higher than that of asphalt carbon residues, is substituted for the asphalt, so the oxidation resistance effect is better. In addition, the modified nano carbon powder used as a substitute for asphalt can improve the bursting resistance of the product in the baking process.

Description

technical field [0001] The invention relates to a refractory pouring material. Background technique [0002] Asphalt is generally added to the existing main iron trench castables, which has the following disadvantages: [0003] 1. Poor environmental protection when baking [0004] Asphalt is the residue of coal tar or petroleum distillation or treatment and cracking to extract various fractions with different boiling points. The composition and properties vary with the type of raw material, distillation method and processing method. It is mainly composed of aromatic and aliphatic structures. The formed mixture is viscous liquid, semi-solid or solid, black and shiny, smelly, insoluble in water, flammable and poisonous when melted. Therefore, although adding asphalt to the iron trench material can indeed play a role in high temperature resistance, anti-oxidation, and anti-erosion capabilities, but the baking process, especially the hot repair process, releases toxic smoke, w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/66
Inventor 佘成其马少杰
Owner 长兴云峰炉料有限公司
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