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Melting and casting alumina refractory product corundum sand mold and production process thereof
The invention relates to the field of refractory materials, and discloses a machine production process for a corundum sand mold of a fused cast alumina refractory product. Al2O3 is greater than or equal to 98.5%, Fe2O3 is less than or equal to 0.03%, TiO2 is less than or equal to 0.01%, and Na2O is less than or equal to 0.29%; comprising the following steps: step 1, mixing raw materials; secondly, a plate shape is formed; step 3, drying; fourthly, repouring is conducted; fifthly, post-treatment is conducted on the brick material obtained after demolding is completed; in the first step, according to the granularity of 1: 2, the granularity is one or more of 40 meshes or 60 meshes. The corundum sand mold raw material of the traditional casting alumina refractory product is replaced by the white corundum, the white corundum is high in purity, close to the alumina raw material in components, resistant to high temperature, easy to form, high in strength, strong in impact resistance, good in air permeability and free of coloring and pollution to the product, and the manufactured casting alumina product is consistent in color and luster and is an excellent material for replacing a graphite sand mold; and the device can be repeatedly used, so that the production cost is greatly reduced.
本发明涉及耐火材料领域，公开了一种熔铸氧化铝耐火制品刚玉砂模机器生产工艺，包括以下组份原料；Al2O3≥98.5％、Fe2O3≤0.03％、TiO2≤0.01％和Na2O≤0.29％；包括以下步骤：步骤一、首先将原料进行混合；步骤二、打制成板型；步骤三、进行烘干；步骤四、进行补浇；步骤五、对脱膜完成的砖材进行后处理；所述步骤一中，按照1:2的颗粒度，颗粒度采用40目或60目中的一种或者多种。通过将传统熔铸氧化铝耐火制品刚玉砂模原料替换成白刚玉，白刚玉的纯度高、成分与氧化铝原料成分接近，耐高温、易成型、强度高、抗冲击力强、透气性能好，对制品不着色、不污染，制造的熔铸氧化铝制品色泽一致，是替代石墨砂型的上佳材料，而且能重复使用，极大的降低了生产成本。
Melting and casting alumina refractory product corundum sand mold and production process thereof
The invention relates to the field of refractory materials, and discloses a machine production process for a corundum sand mold of a fused cast alumina refractory product. Al2O3 is greater than or equal to 98.5%, Fe2O3 is less than or equal to 0.03%, TiO2 is less than or equal to 0.01%, and Na2O is less than or equal to 0.29%; comprising the following steps: step 1, mixing raw materials; secondly, a plate shape is formed; step 3, drying; fourthly, repouring is conducted; fifthly, post-treatment is conducted on the brick material obtained after demolding is completed; in the first step, according to the granularity of 1: 2, the granularity is one or more of 40 meshes or 60 meshes. The corundum sand mold raw material of the traditional casting alumina refractory product is replaced by the white corundum, the white corundum is high in purity, close to the alumina raw material in components, resistant to high temperature, easy to form, high in strength, strong in impact resistance, good in air permeability and free of coloring and pollution to the product, and the manufactured casting alumina product is consistent in color and luster and is an excellent material for replacing a graphite sand mold; and the device can be repeatedly used, so that the production cost is greatly reduced.
本发明涉及耐火材料领域，公开了一种熔铸氧化铝耐火制品刚玉砂模机器生产工艺，包括以下组份原料；Al2O3≥98.5％、Fe2O3≤0.03％、TiO2≤0.01％和Na2O≤0.29％；包括以下步骤：步骤一、首先将原料进行混合；步骤二、打制成板型；步骤三、进行烘干；步骤四、进行补浇；步骤五、对脱膜完成的砖材进行后处理；所述步骤一中，按照1:2的颗粒度，颗粒度采用40目或60目中的一种或者多种。通过将传统熔铸氧化铝耐火制品刚玉砂模原料替换成白刚玉，白刚玉的纯度高、成分与氧化铝原料成分接近，耐高温、易成型、强度高、抗冲击力强、透气性能好，对制品不着色、不污染，制造的熔铸氧化铝制品色泽一致，是替代石墨砂型的上佳材料，而且能重复使用，极大的降低了生产成本。
Melting and casting alumina refractory product corundum sand mold and production process thereof
一种熔铸氧化铝耐火制品刚玉砂模及其生产工艺
WEI XIAOMIN (author) / XIE JIANXIONG (author) / YANG SUIWANG (author)
2023-12-12
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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