Rotary kiln refractory material
A refractory material and rotary kiln technology, applied in the field of refractory materials, can solve the problems of difficult to obtain high-purity and high-quality products, difficult to promote, poor chemical stability, etc., to achieve enhanced wear resistance and anti-oxidation effects, conducive to noise reduction, excellent The effect of sound absorption
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Embodiment 1
[0015] A rotary kiln refractory material proposed by the present invention includes the following raw materials in parts by weight: the refractory material in a rotary kiln includes the following raw materials in parts by weight: 75 parts of bauxite, 2 parts of aluminum silicate fiber, 6 parts of silicon, 3 parts of calcium hexaboride, 8 parts of water, and 6 parts of zirconium nitride.
[0016] The raw materials are dry-mixed and stirred by a mixer for 1 minute, and then enough water is added at one time, and wet-stirred for 3 minutes, and the mixed material is fully mixed to obtain a mixed material, which is effective within 30 minutes.
[0017] The melting point of silicon dioxide is 1650°C, the boiling point is 2230°C, the melting point of the calcium hexaboride is 2235°C, the relative density is 2.33g / cm3, and the Mohs hardness is 9.
[0018] The melting point of zirconium nitride is 2930°C, and the weight ratio of calcium hexaboride and zirconium nitride is 1:2.
Embodiment 2
[0020] A rotary kiln refractory material proposed by the present invention comprises the following raw materials in parts by weight: 70 parts of bauxite, 3 parts of aluminum silicate fiber, 8 parts of silicon dioxide, 3 parts of calcium hexaboride, 10 parts of water, nitriding 6 parts of zirconium.
[0021] The raw materials are dry mixed and stirred by a mixer for 3 minutes, and then enough water is added at one time, wet stirred for 5 minutes, and mixed thoroughly to obtain a mixed material, which is effective within 30 minutes.
[0022] The melting point of silicon dioxide is 1700°C, the boiling point is 2230°C, the melting point of calcium hexaboride is 2235°C, the relative density is 2.33g / cm3, and the Mohs hardness is 9.
[0023] The melting point of zirconium nitride is 3030°C, and the weight ratio of calcium hexaboride and zirconium nitride is 1:2.
Embodiment 3
[0025] A rotary kiln refractory material proposed by the present invention includes the following raw materials in parts by weight: 73 parts of bauxite, 1 part of aluminum silicate fiber, 6 parts of silicon dioxide, 4 parts of calcium hexaboride, 8 parts of water, nitriding 8 parts of zirconium.
[0026] The raw materials are dry mixed and stirred by a mixer for 2 minutes, and then enough water is added at one time, wet stirred for 4 minutes, and the mixed material is fully mixed to obtain a mixed material, which is effective within 30 minutes.
[0027] The melting point of silicon dioxide is 1600°C, the boiling point is 2230°C, the melting point of calcium hexaboride is 2235°C, the relative density is 2.33g / cm3, and the Mohs hardness is 9.
[0028] The melting point of zirconium nitride is 2980°C, and the weight ratio of calcium hexaboride and zirconium nitride is 1:2.
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