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High-aluminum high-strength electroceramic blank formula
The invention discloses a high-alumina high-strength electrical porcelain blank formula. According to the high-alumina high-strength electrical porcelain blank formula, industrial alumina is taken as an alumina raw material. The high-alumina high-strength electrical porcelain blank formula comprises the following components in percentage by weight: 18-30% of industrial alumina, 18-25% of fraxinus mandshurica ball clay, 4-8% of Faku soil, 10-15% of Zhangzhou soil, 2-6% of Jiajia kiln soil, 5-10% of British soil, 8-13% of calcined kaolin and 14-20% of feldspar. Pug comprises the following chemical components in percentage by weight: 4 to 6 percent of I.L, 43 to 55 percent of SiO2, 35 to 45 percent of Al2O3, 0.3 to 0.9 percent of Fe2O3, 0.1 to 0.3 percent of CaO, 0.1 to 0.4 percent of MgO, 2.8 to 3.2 percent of K2O, 0.4 to 0.7 percent of Na2O and 0.2 to 0.6 percent of TiO2. According to the main technical indexes of the formula, the bending strength is larger than or equal to 170 MPa, the firing temperature range is larger than or equal to 60 K, the volume density is larger than or equal to 2.60 g/cm < 3 >, the open porosity is smaller than or equal to 0.06%, the electric strength is larger than or equal to 35 kV/mm, and all the properties exceed the GB8411.3 C130 high-strength aluminum porcelain standard; and the formula can meet the performance requirements of high-grade disc-shaped suspension type porcelain insulators, the technological property fluctuation is small, the iron and titanium impurity content is low, the electrical performance is excellent, and the mechanical strength is stable.
本发明公开了一种高铝质高强度电瓷坯料配方，采用了工业氧化铝作为铝氧原料，其所包含的组分及重量百分比为：工业氧化铝18～30％，水曲柳球粘土18～25％，法库土4～8％，漳州土10～15％，嘉窑土2～6％，英国土5～10％，煅烧高岭土8～13％，长石14～20％。其泥料的化学成分为：I.L 4～6％，SiO2 43～55％，Al2O3 35～45％，Fe2O3 0.3～0.9％，CaO 0.1～0.3％，MgO 0.1～0.4％，K2O 2.8～3.2％，Na2O 0.4～0.7％，TiO2 0.2～0.6％。上述配方的主要技术指标为：弯曲强度≥170MPa，烧成温度范围≥60K，体积密度≥2.60g/cm3，开口孔隙率≤0.06％，电气强度≥35kV/mm，其各项性能均超过GB8411.3 C130高强度铝质瓷标准，该配方可以满足高等级盘形悬式瓷绝缘子的性能要求，工艺性能波动小，铁钛杂质含量低，电气性能优良，机械强度稳定。
High-aluminum high-strength electroceramic blank formula
The invention discloses a high-alumina high-strength electrical porcelain blank formula. According to the high-alumina high-strength electrical porcelain blank formula, industrial alumina is taken as an alumina raw material. The high-alumina high-strength electrical porcelain blank formula comprises the following components in percentage by weight: 18-30% of industrial alumina, 18-25% of fraxinus mandshurica ball clay, 4-8% of Faku soil, 10-15% of Zhangzhou soil, 2-6% of Jiajia kiln soil, 5-10% of British soil, 8-13% of calcined kaolin and 14-20% of feldspar. Pug comprises the following chemical components in percentage by weight: 4 to 6 percent of I.L, 43 to 55 percent of SiO2, 35 to 45 percent of Al2O3, 0.3 to 0.9 percent of Fe2O3, 0.1 to 0.3 percent of CaO, 0.1 to 0.4 percent of MgO, 2.8 to 3.2 percent of K2O, 0.4 to 0.7 percent of Na2O and 0.2 to 0.6 percent of TiO2. According to the main technical indexes of the formula, the bending strength is larger than or equal to 170 MPa, the firing temperature range is larger than or equal to 60 K, the volume density is larger than or equal to 2.60 g/cm < 3 >, the open porosity is smaller than or equal to 0.06%, the electric strength is larger than or equal to 35 kV/mm, and all the properties exceed the GB8411.3 C130 high-strength aluminum porcelain standard; and the formula can meet the performance requirements of high-grade disc-shaped suspension type porcelain insulators, the technological property fluctuation is small, the iron and titanium impurity content is low, the electrical performance is excellent, and the mechanical strength is stable.
本发明公开了一种高铝质高强度电瓷坯料配方，采用了工业氧化铝作为铝氧原料，其所包含的组分及重量百分比为：工业氧化铝18～30％，水曲柳球粘土18～25％，法库土4～8％，漳州土10～15％，嘉窑土2～6％，英国土5～10％，煅烧高岭土8～13％，长石14～20％。其泥料的化学成分为：I.L 4～6％，SiO2 43～55％，Al2O3 35～45％，Fe2O3 0.3～0.9％，CaO 0.1～0.3％，MgO 0.1～0.4％，K2O 2.8～3.2％，Na2O 0.4～0.7％，TiO2 0.2～0.6％。上述配方的主要技术指标为：弯曲强度≥170MPa，烧成温度范围≥60K，体积密度≥2.60g/cm3，开口孔隙率≤0.06％，电气强度≥35kV/mm，其各项性能均超过GB8411.3 C130高强度铝质瓷标准，该配方可以满足高等级盘形悬式瓷绝缘子的性能要求，工艺性能波动小，铁钛杂质含量低，电气性能优良，机械强度稳定。
High-aluminum high-strength electroceramic blank formula
一种高铝质高强度电瓷坯料配方
DOU GANG (author) / LU SHENGYAN (author) / YU QINGBO (author) / LI YUEMING (author) / GUO PENG (author) / CHEN LIFU (author)
2021-11-26
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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