Removable heat preservation cover, also known as heat preservation quilt, heat preservation cover, heat preservation jacket, special-shaped heat preservation and so on.It adopts high and low temperature resistant, fireproof and heat preservation materials, etc., which are composed of lining high temperature resistant layer, middle insulation layer and outer protective layer. According to the shape of pipeline or equipment and its use environment, it is made by special process after on-site mapping and design. The removable insulation cover is applied to heat preservation and heat insulation of pipes and equipment, which has significant advantages of environmental protection, energy saving, reuse and cost saving.