Neutral lining refractory material for electric induction furnace and manufacturing method thereof
A neutral furnace lining and refractory technology, which is used in the field of neutral furnace lining refractories for induction furnaces and its production, can solve the problems of low bulk density, poor corrosion resistance, poor uniformity, etc., and achieves high bulk density and shock resistance. The effect of good heat excitation and high uniformity
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Embodiment 1
[0024] A neutral lining refractory material for an induction electric furnace, comprising the following raw materials in percentage by weight: 55% high alumina bauxite clinker, 30% high-purity quartz sand, 3% alumina, and 12% binder; the high alumina bauxite The percentage content of each chemical composition of soil clinker is: 85% of aluminum oxide, 0.8% of iron oxide, 0.2% of potassium oxide, 7% of silicon oxide, and 7% of magnesium oxide.
[0025] The preparation method of the neutral lining refractory material for the induction electric furnace comprises the following sequential steps:
[0026] (1) carry out weighing each raw material by described weight percentage: high-alumina bauxite clinker high-purity quartz sand, alumina, binding agent;
[0027] (2) High-alumina bauxite clinker and high-purity quartz sand are broken respectively;
[0028] (3) Pass the broken high alumina bauxite clinker through a vibrating sieve, and by weight percentage, the high alumina bauxite c...
Embodiment 2
[0036] A neutral lining refractory material for an induction electric furnace, comprising the following raw materials in weight percentage: 60% of high alumina bauxite clinker, 24% of high-purity quartz sand, 1% of alumina, and 15% of binder; the high alumina bauxite The percentages of each chemical composition of the soil clinker are: 83% of aluminum oxide, 0.95% of iron oxide, 0.55% of potassium oxide, 8.5% of silicon oxide, and 7% of magnesium oxide; the high alumina bauxite clinker includes by weight percentage Bauxite clinker with the following particle sizes: 22% high-alumina clinker with a particle size of 1.5mm, 60% high-alumina clinker with a particle size of 4mm, and 18% high-alumina clinker with a particle size of 6.5mm .
[0037] The preparation method of the neutral lining refractory material for the induction electric furnace comprises the following sequential steps:
[0038] (1) carry out weighing each raw material by described weight percentage: high-alumina b...
Embodiment 3
[0044] A neutral lining refractory material for an induction electric furnace, comprising the following raw materials in weight percentage: 72% of high alumina bauxite clinker, 20% of high-purity quartz sand, 2% of alumina, and 6% of binder; the high alumina bauxite The percentages of each chemical composition of the soil clinker are: 85% of aluminum oxide, 1.2% of iron oxide, 0.2% of potassium oxide, 6.6% of silicon oxide, and 8% of magnesium oxide; the high alumina bauxite clinker includes High bauxite clinker with the following particle size: 15% high bauxite clinker with a particle size of 0.5mm, 70% high bauxite clinker with a particle size of 3.5mm, and 15% high bauxite clinker with a particle size of 6mm.
[0045] The preparation method of the neutral lining refractory material for the induction electric furnace comprises the following sequential steps:
[0046] (1) each raw material is weighed according to the weight percentage: high alumina bauxite clinker, high-purit...
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