The preparation method of the high-efficiency fireproof heat insulating material comprises the following steps: preparing the lyosol by utilizing tetraethoxysilane(TEOS) and hydrochloric acid;

所述高效防火绝热材料的制备方法为：利用正硅酸乙脂（TEOS）和盐酸配制液体溶胶；

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The electric cooker of the utility model has the advantages of high structure intensity, good insulating property, high heat efficiency, low power consumption and distinctive effect of energy saving.

本实用新型的电饭煲结构强度高，保温性能好，热效率高，耗电量少，节能显著。

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