| abstract |
The present invention relates to the technical field of ceramic material manufacturing, and discloses an energy-saving thermal insulation device for microwave kilns and a method for preparing the same. The device comprises a box provided with an opening and a cover covering the opening of the box, wherein the box comprises an inner wall and an outer wall, and a gap is preset between the inner wall and the outer wall, the cover covers upper ends of the inner wall and the outer wall and forms an accommodating cavity with the gap, and the accommodating cavity is filled with a ceramic aerogel to form an intermediate thermal insulation layer, an inner surface of the inner wall is provided with a first infrared-reflective ceramic layer, and a surface of the cover matched for fitting the box is provided with a second infrared-reflective ceramic layer. According to the present invention, the inner surface of the inner wall is provided with a highly near infrared-reflective ceramic coating, thus increasing the reflectivity of an inner surface of the thermal insulation layer to radiation of a workpiece. Meanwhile, the ceramic aerogel added between the inner wall and the outer wall replaces original thermal insulation cotton, and reduces the weight and energy consumption of the whole thermal insulation device and the thermal radiation absorption of the thermal insulation layer from the workpiece, thereby achieving a better thermal insulation effect. |