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Light heat-insulating honeycomb ceramic and preparation method thereof

A honeycomb ceramic and heat preservation technology, applied in the field of ceramics, can solve the problems of low strength, quality influence, high water absorption, and achieve the effects of firm connection, lower production cost and simple process.

Active Publication Date: 2012-01-11
安徽瑞蒙科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although the thermal insulation effect of the former is obvious, but because most of these products are bonded products, and the strength of expanded perlite itself is small, the strength of this type of product is low and the water absorption rate is high
For ceramic products, many new ceramic materials such as foam ceramics have appeared in recent years, but their own defects and the impact of decoration construction technology and quality still hinder the application and development of building thermal insulation and decorative ceramic materials.

Method used

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  • Light heat-insulating honeycomb ceramic and preparation method thereof
  • Light heat-insulating honeycomb ceramic and preparation method thereof

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preparation example Construction

[0030] And, this embodiment also provides the preparation method of the above-mentioned lightweight thermal insulation honeycomb ceramics, including the following steps:

[0031] S1. Provide insulation layer materials and facing layer materials. The insulation layer materials include tuff mineral powder and pearls with a weight ratio of 25-50:40-90:10-30:10-30:1-15:5-15 Components of rock ore powder, expanded vitrified bead powder, glass powder, pore forming agent and sodium phosphate;

[0032] S2. Put the insulation layer material and the facing layer material into the mold for firing to form an integrated insulation layer and facing layer to obtain the light-weight heat-insulating honeycomb ceramics, or put the insulation layer material into the mold The heat-insulating layer is obtained by firing, and then the heat-insulating layer and the facing layer materials are combined through sintering or bonding to form the light-weight heat-insulating honeycomb ceramics.

[0033] ...

Embodiment 1

[0053] One-time firing to prepare lightweight thermal insulation honeycomb ceramics:

[0054] 1) Provide materials for preparing the insulation layer and the facing layer. The material formula for the insulation layer is tuff tailings powder: perlite tailings powder: expanded vitrified microbead waste tails powder: glass powder: wood chips: calcium carbonate: sodium phosphate=25: 90:30:10:0.2:6:10; the materials for the facing layer are stone powder and sodium phosphate accounting for 7% of the stone powder;

[0055] 2) Put the insulation layer into the mold by means of vibrating cloth, and then spread a 6mm-thick decorative layer material on the insulation layer material layer, and then put it into the kiln for one firing at 950°C. The firing time 40min to obtain the light-weight thermal insulation honeycomb ceramics of this embodiment.

[0056] The properties of the lightweight heat-insulating honeycomb ceramics prepared in this example are shown in Table 1. It can be seen ...

Embodiment 2

[0058] One-time firing to prepare lightweight thermal insulation honeycomb ceramics:

[0059] 1) Provide materials for preparing the insulation layer and the facing layer. The material formula for the insulation layer is tuff tailings powder: perlite tailings powder: expanded vitrified microbead waste tails powder: glass powder: carbon: calcium carbonate: sodium phosphate=50: 40:10:30:0.1:10:15; the facing layer material is stone powder and sodium phosphate accounting for 3% of stone powder;

[0060] 2) Put the insulation layer into the mold by means of vibrating cloth, and then spread a 6mm-thick decorative layer material on the insulation layer material layer, and then put it into the kiln for one firing at 1000°C. The firing time 30min to obtain the light-weight thermal insulation honeycomb ceramics.

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Abstract

The invention provides a light heat-insulating honeycomb ceramic and a preparation method thereof. The light heat-insulating honeycomb ceramic comprises a heat insulating layer and a decoration layer combined with the heat insulating layer into a whole; and the heat insulating layer is prepared by sintering mineral powder of tuff, mineral powder of pearlite, expanded and vitrified microsphere powder, glass powder, a pore-forming agent and sodium phosphate. The light heat-insulating honeycomb ceramic has high strength and low water absorption, ensures that the decoration layer is firmly connected with the heat insulating layer, has a heat insulating function and also has an exterior wall decorating effect; and the preparation method has the advantages of simple process and low production cost.

Description

technical field [0001] The invention belongs to the field of ceramics, in particular to a light-weight thermal insulation honeycomb ceramic and a preparation method thereof. Background technique [0002] Porcelain and pottery have made great contributions in a wide range of human life, but one of their characteristic disadvantages is their specific weight. Generally speaking, the specific gravity of ceramics is 2.3-2.5. From the merits of the material properties, the weight is a big problem, and weight reduction is strongly desired. In addition, mainly in the field of building materials or artistic ceramic murals, it is hoped that if ceramics with beautiful glaze, free carving, free coloring, and good weather resistance and heat resistance can be lightened, then its use rate will increase further. [0003] So far, several measures have been taken to reduce the weight of ceramics. One is the method of forming bubbles by mixing foaming agent and firing, and the other is th...

Claims

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Application Information

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IPC IPC(8): C04B38/00
Inventor 陈延东
Owner 安徽瑞蒙科技有限公司
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