Preparation method of ceramic glaze layer of foamed ceramic thermal insulation and decorative integrated board

Abstract

The invention discloses a method for preparing a ceramic glaze layer of a foamed ceramic thermal insulation and veneer integrated board, which belongs to the technical field of energy saving and environmental protection. The preparation method comprises the following steps: 1) cutting the foamed ceramic thermal insulation thick plate prepared by high-temperature foaming in the kiln into foamed ceramic thermal insulation veneers; The single surface of the foamed ceramic thermal insulation veneer is baked at a temperature of 220-420 °C to obtain the decorative base layer of the foamed ceramic thermal insulation veneer integrated board, and the thickness of the decorative base layer is 1.2-1.8mm; 3) Then Spray or roller coat the finishing glaze layer material on the surface of the facing base layer, and bake at a temperature of 80-220° C.; the thickness of the finishing glaze layer of the foamed ceramic thermal insulation and facing integrated board is 30-60 μm. The preparation method avoids the deformation of the ceramic thermal insulation veneer; and increases the adhesion between the decorative surface and the foamed ceramic thermal insulation substrate, and also saves energy and increases production capacity.

Description

technical field [0001] The invention relates to a method for preparing a thermal insulation material, which belongs to the technical field of energy conservation and environmental protection, and in particular to a method for preparing a ceramic glaze layer of a foamed ceramic thermal insulation and veneer integrated board. Background technique [0002] Inorganic fireproof insulation board is a kind of insulation board developed by using inorganic materials as raw materials. This inorganic material insulation board has the characteristics of safety and non-combustibility, energy saving and environmental protection, and high-efficiency sound insulation. It mainly includes foam concrete insulation board, perlite insulation board, rock wool insulation board, foam ceramic insulation board, foam glass insulation board, etc. With the improvement of people's living standards, the architectural field has higher and higher decorative requirements for facades, and a large number of v...

AI Technical Summary

Problems solved by technology

[0005] 1. The foamed ceramic insulation veneer is foamed into the kiln, resulting in low production capacity;

[0006] 2. The veneer is foamed and fired in the kiln, so the heat utilization rate is low and the energy waste is large;

[0007] 3. During the high-temperature foaming and firing process of the veneer blank, the plane size of the veneer is easily deformed and warped, and the yield rate is low

But the temperature of the second firing is still higher than 1000°C;

[0009] The second category: Paste organic material veneer on the foamed ceramic insulation substrate. The disadvantages of this pasted veneer preparation process:

[0010] 1. The weather resistance of the adhesive layer of the pasting process is poor. In the severe winter and hot outdoor conditions, the sun exposure and freezing and freezing will easily make the finish of the integrated board fall off, and the safety and reliability performance is poor.

[0011] 2. Poor fire resistance of organic material finishes or adhesives

[0012] In order to solve the problem of poor safety and reliability between the veneer and the substrate, a Chinese invention patent application (application publication number: CN106013657A, application publication date: 2016-10-12) discloses a method for making a foamed ceramic thermal insulation decorative board. Utilize the bonding effect of cement, stone and pigment frit to make the slurry, so that the decorative surface formed and the foamed ceramic insulation board are directly bonded together, one-time molding, no gap between the decorative panel and the insulation board Gap, close combination; but the facing materials such as cement used in the present invention are made of different materials from the foamed ceramic insulation board, and they are pasted at room temperature, so the adhesion between the facing material and the foamed ceramic insulation board is small, resulting in decorative The surface glaze layer has poor weather resistance and low strength

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