Formula of electric heating ceramic material, preparation method of electric heating ceramic blank and heating element: Fid-Bau Portal

Formula of electric heating ceramic material, preparation method of electric heating ceramic blank and heating element

HE XIANGLIN

The invention relates to a formula of an electric heating ceramic material, which comprises the following components in percentage by weight: 20-60% of cordierite, 20-60% of aluminum oxide, 10-30% of Guizhou black clay, 10-30% of quartz, 10-30% of flint, 10-30% of microcrystalline ceramic powder, 10-30% of technetium oxide powder, 10-30% of tungsten oxide powder, 10-30% of scandium oxide, 10-30% of europium oxide and 10-30% of polyvinyl 5%-30% of aluminum oxide; 1%-10% of Guizhou black clay; 2%-10% of quartz; 1%-10% of flint; 1%-5% of microcrystalline ceramic powder; 0.2%-1% of technetium oxide powder; 0.1%-1% of tungsten oxide powder; 0.2%-2% of scandium oxide; 0.1%-1% of europium oxide; and 0.1%-1% of polyvinyl alcohol. The electrothermal ceramic material provided by the invention contains cordierite and is matched with some trace non-metallic oxides according to a proportion, so that the electrothermal ceramic material which can be heated to a high temperature of 1000 DEG C only in ten seconds, is rapid in heating, uniform in heating, long in service life and low in cost, and can save 30-50% of energy can be prepared; the device has great significance for energy conservation and emission reduction in the electric heating market.

本发明涉及一种电热陶瓷材料的配方，包含堇青石，氧化铝，贵州黑粘土，石英，燧石，微晶瓷粉，氧化锝粉，氧化钨粉，氧化钪，氧化铕和聚乙烯醇，上述材料按重量配比的组成，堇青石20%‑60%；氧化铝5%‑30%；贵州黑粘土1%‑10%；石英2%‑10%；燧石1%‑10%；微晶瓷粉1%‑5%；氧化锝粉0.2%‑1%；氧化钨粉0.1%‑1%；氧化钪0.2%‑2%；氧化铕0.1%‑1%；聚乙烯醇0.1%‑1%。本发明的电热陶瓷材料含堇青石再结合一些微量非金属氧化物按照比例进行配比，即可制作成常温升温至1000°的高温仅需十秒，升温迅速，发热均匀、使用寿命长，成本低，而且节能可达30%‑50%的电热陶瓷材料，针对电热市场的节能减排具有重大意义。

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