Ceramic fiber board and preparation method thereof

Abstract

The invention provides a ceramic fiber board. The ceramic fiber board is prepared from the following raw materials in parts by weight: 40 to 60 parts of ceramic fiber, 0 to 16 parts of alkali-free glass fiber, 5 to 15 parts of kaoline, 5 to 15 parts of attapulgite, 10 to 20 parts of expanded perlite, 2 to 6 parts of an organic binding agent and 1 to 6 parts of a smoke eliminating assistant, wherein the smoke eliminating assistant is selected from ferrocene and / or aluminum hydroxide. Compared with the prior art, the ceramic fiber board provided by the invention adopts specific using amounts ofraw materials, the components are of good mutual effect, and the prepared and obtained ceramic board has relatively low smoke yield and preferable mechanical strength, is low in production cost, and is beneficial to production and application. Experimental results indicate that the compression strength of the ceramic fiber board provided by the invention is 0.11 MPa or above, the TSP600 smoke yield does not exceed 32 m<2>, and the production cost can be controlled within 7.5 thousand yuan per ton.

Description

technical field [0001] The invention relates to the technical field of refractory materials, in particular to a ceramic fiber board and a preparation method thereof. Background technique [0002] Ceramic fiber board has the characteristics of light weight, high strength and low thermal conductivity, and is the preferred material for kiln backing heat insulation. Traditional ceramic fiberboard usually needs to add starch, resin, cellulose and other organic binders to ensure its mechanical strength, but the introduction of a large amount of organic binders will cause a lot of smoke during use, pollute the environment, and bring safety hazards. [0003] In this regard, the Chinese patent with the publication number CN103755262A discloses a high-temperature-resistant ceramic fiberboard, which is made of the following raw materials in parts by weight: 95-96 parts of aluminum silicate fiber; 1-2 parts of dispersant, and the composition is Na 2 SiO 3 and CaCO 3 mixture; 3 to 4 p...

AI Technical Summary

Problems solved by technology

[0004] However, there are certain defects in the above-mentioned method: the first is that the production cost is high, and the raw materials of zirconium latex are all materials with high cost, which is not conducive to the realization of industrial production; the second is that after the drying is completed, because there is no effective Bonding effect, the normal temperature strength is very poor; and in order to ensure its strength, the product needs to be calcined, which will further increase the cost, which is not conducive to the popularization and application of the kiln backing insulation part