Storage iron runner castable produced by adopting waste iron runner material

Abstract

The invention discloses a storage iron runner castbale produced by adopting a waste iron runner material. The storage iron runner castable comprises the following components in parts by mass: 15-20 parts of waste iron runner material, 20-30 parts of brown fused alumina particles, 3-5 parts of brown fused alumina fine powder, 5-10 parts of electric smelting compact corundum particles, 2-5 parts of electric smelting compact corundum fine powder, 3-5 parts of magnesia-alumina spinel, 10-20 parts of silicon carbide, 2-5 parts of silicon powder, 1-2 parts of activated aluminum oxide micro powder, 4-6 parts of crystalline flake graphite, 0.5-1 part of a silane coupling agent, 3-8 parts of aluminate cement, 1-4 parts of a compound water reducer, 1-2 parts of a compound antidetonant, and 1-2 parts of an antioxidant. The storage iron runner castable makes full use of the waste material, thus greatly lowering comprehensive cost; due to the materials of the different particle sizes, the construction efficiency is improved; for the addition of the crystalline flake graphite and magnesia-alumina spinel powder, the molding density of the castable is improved, the castable is promoted in sintering, and the density, strength, volume stability and residue resistance of the castable are improved.

Description

【Technical field】 [0001] The invention relates to the technical field of refractory materials, in particular to an iron storage trench castable produced by using waste iron trench materials. 【Background technique】 [0002] Al 2 o 3 -SiC-C castables are generally composed of refractory aggregates, powders, binders, admixtures, water or other liquid materials, and can be formed by vibratory casting, self-flowing casting and other methods at the use site. Large and medium-sized steel enterprises have a large number of The taphole castables were discarded due to the dismantling of the furnace. In order to reduce the raw material cost of the iron trench castables and respond to the national call for energy conservation and emission reduction, the waste materials can be reused in the iron trench castables, which can greatly reduce the cost of the casthouse. The raw materials of castables for branch ditches and slag ditches are made into wood. At the same time, the castable formu...

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Problems solved by technology

[0002] Al 2 o 3 -SiC-C castables are generally composed of refractory aggregates, powders, binders, admixtures, water or other liquid materials, and can be formed by vibratory casting, self-flowing casting and other methods at the use site. Large and medium-sized steel enterprises have a large number of The taphole castables were discarded due to the dismantling of the furnace. In order to reduce the raw material cost of the iron trench castables and respond to the national call for energy conservation and emission reduction, the waste materials can be reused in the iron trench castables, which can greatly reduce the cost of the casthouse. The raw materials of castables for branch ditches and slag ditches are made into wood. At the same time, the castable formulations of the prior art have shortcomings such as large water demand, low castable strength, and weak slag erosion resistance, so that the amount of iron passing through at one time is difficult to meet normal production needs.