A New Type of Refractory Insulation Material -- Ceramic Fiber Products
Release time:
2024-08-22 15:15
With the continuous development of science and technology, in addition to the traditional shaped fire insulation materials, ceramic fiber has gradually become a new, widely used industrial furnace fire insulation materials.
Ceramic fiber, also known as aluminum silicate, is a light weight, heat resistance, low heat transfer, small thermal fiber lightweight refractory material.
Ceramic fiber products include: ceramic cotton, ceramic fiber blanket, ceramic fiber shell, ceramic fiber board, ceramic fiber silica calcium board.
Ceramic fiber products 1: ceramic fiber blanket.
This product is made of high-temperature melting of raw materials or spinning needles, and is processed by needling on both sides. The color is tender and white, and it integrates fire prevention, heat insulation and heat preservation. The application of ceramic fiber blanket in neutral and oxidizing atmosphere can maintain good tensile strength, toughness and fiber structure. It has thermal insulation and fire protection, low thermal conductivity, low thermal conductivity, excellent chemical stability, excellent heat resistance, excellent compressive strength and sound absorption properties, and is not easy to etch. Mainly used for high temperature pipeline, industrial kiln wall lining, backing material, thermal energy equipment insulation, high temperature environment to add insulation, kiln masonry expansion joints, furnace, machine cover insulation and sealing.
Ceramic fiber products 2: ceramic fiber tube shell.
The raw material of aluminum silicate tube shell is aluminum silicate, which is made of rubber cotton felt blank and made by mold manufacturing, dry manic, dry solid, forming and other processes.
Features: 1, low thermal conductivity, low thermal conductivity. 2. Good earthquake resistance and good heat resistance. 3. Excellent processing characteristics. 4, make the construction more convenient and faster.
Aluminum silicate tube shell specifications and inner diameter, density can be made according to customer demand. Widely used in chemical, coking, power plants, ships, heating and other heat pipe insulation.
Ceramic fiber product 3: Ceramic fiber cylinder.
Ceramic fiber board selection of the corresponding material ceramic fiber as raw material, with ceramic cotton board dry molding process. It has the characteristics of heat insulation, fire prevention, good toughness, light density and corrosion resistance. In addition, it is heated without rising, simple construction, and can be cut at will. It is mainly used as an ideal energy-saving material for kilns, pipelines and other insulation equipment.
At present, ceramic fiber products have become the main energy-saving wall insulation materials for a large number of high-temperature kiln projects. Not only that, the efficacy of ceramic fiber has gradually emerged on the "heat preservation and decoration integrated board" and "structural heat preservation and insulation integrated steel wire mesh frame board". For example, the ceramic cotton heat preservation and decoration integrated board made of ceramic cotton board for the core not only makes the wall decorative, but also ensures the indoor temperature, the effect of heat insulation and fire prevention.
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Based on the present, look to the future, the establishment of many varieties, different grades of refractory products.
Manufacturing process of ceramic fiber
There are three methods for making ceramic fibers: the spinning method, the blowing method and the spinning method. The ceramic fiber in the ceramic fiber paper is commonly used in the blowing method. The wire blowing method is to spray the molten mixed raw materials to the peripheral surface of the high-speed disc in a trickle state under the pressure of a rare gas. Under the pulling force of the high-speed rotation of the disc, it is spun into filaments and coiled on the disc to obtain ceramic fibers of several microns.