Thickened double-layer sealing thermal insulation door for dryer

The utility model provides a thickened type double-layer sealing heat preservation door for a dryer, and relates to a heat preservation door, the thickened type double-layer sealing heat preservation door comprises an outer panel with a door hinge installed on the outer side and an inner panel located on the inner side of the outer panel, the inner panel is filled with aluminum silicate fiber felt to serve as a first heat preservation and insulation layer, and the aluminum silicate fiber felt has a low heat conductivity coefficient. Good heat insulation and heat preservation effects are achieved; and a high-temperature-resistant ceramic fiber plate with the thickness of 3-5mm is adhered to the inner side of the outer panel, and the high-temperature-resistant ceramic fiber plate is used as a second heat preservation and insulation layer and is positioned between the outer panel and the inner panel. 本实用新型提供一种烘干机用加厚型双层密封保温门，涉及一种保温门，包括外侧安装有门铰链的外面板以及位于外面板内侧的内面板，内面板内部填充硅酸铝纤维毡作为第一层保温隔热层，硅酸铝纤维毡具有较低的导热系数，起到很好的隔热保温效果；外