Одеяло изоляции керамического волокна с фольгой Al

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Характеристики

Ceramic Fiber Insulation Blanket With Aluminum Foil

Using a unique production process, the combination of aluminum foil and fiber blanket forms a multi-channel heat preservation mechanism, which greatly exerts the advantages of heat preservation.

Product Introduction

Our ceramic wool with foil insulation properties, to avoid dust inhalation by human body to the greatest extent, it can perform normally in a humid environment, is resistant to high temperature and corrosion, and will not cause harm to human body and nature in a directly exposed environment. It is very suitable for thermal insulation of construction industry and outdoor facilities.

Insulation Mechanism

(1) The weakening of conductive heat transfer by aluminum foil-covered needle-punched blanket products

The aluminum foil-covered needle punched blanket passes through the barrier of the ceramic fiber blanket, which significantly weakens the conduction and heat transfer. The heat of the heat source must first pass through the fiber blanket, and the fiber interweaving of the ceramic fiber blanket has no directionality, and the conduction and heat dissipation can only be carried out along the direction of the fiber rod. Therefore, the heat conduction of the fiber is not completely perpendicular to the hot surface, which invisibly prolongs the heat transfer. In addition, the porosity of the ceramic fiber blanket is 93%, and 80% of the fiber-to-fiber contact is point contact. Point contact and porosity further weaken the heat conduction and increase the thermal resistance of conduction and heat transfer; The heat loss through conduction in the aluminum foil blanket is very weak, and the structure obviously weakens the conduction and heat dissipation.

(2) The weakening of the convective heat transfer of gas by the aluminum foil-coated needle-punched blanket product

The porosity of the ceramic fiber blanket is very high. The air is divided by the fibers into small pore bins that are almost stationary, and the pressure in the dispersed multi-pore bins is constant. The air pressure will form a dense solid shield together with the solid fibers ( The formation of shielding air pressure) hinders the intrusion of hot air flow and weakens the heat loss; at the same time, due to the compactness of aluminum foil, it directly hinders the convection of air. Therefore, the aluminum foil blanket enhances the overall performance of the structure, obviously weakens the convection of the air, hinders the loss of heat, and reduces the energy loss.

(3)The weakening of radiant heat transfer by the aluminum foil needled blanket

The ceramic fiber itself is a white, smooth reflector, which has a good radiation effect on heat; at the same time, the metal aluminum foil in the aluminum foil-coated needle felt product is opaque and smooth, and has a specular reflection mechanism. The heat rays are reflected by the aluminum foil. The barrier significantly weakens the radiation heat transfer. Therefore, the aluminum foil blanket has a double-layer weakening mechanism for radiant heat dissipation, and the effect is significant.

Product Application

The product structure of the aluminum foil-coated needle-punched blanket has good thermal insulation and energy-saving effects. It is mainly used in the thermal insulation of industrial heating furnaces and boiler equipment linings in petrochemical metallurgy, the external thermal insulation of power and steam pipelines, the thermal insulation of aerospace equipment, and the fire protection of ships. Interlayer, interlayer in construction industry and insulation of daily necessities, etc.