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Method for manufacturing ceramic of multi-layer structure

A multi-layer structure and production method technology, applied in the field of ceramic production, can solve the problems of high production cost, complicated process, and many equipment, and achieve the effects of high yield, uniform structure, and high chromaticity

Active Publication Date: 2016-11-16
XINLAILI CERAMIC DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the two types of ceramics that have been fired are generally combined through an adhesive. In this way, there are problems such as large energy consumption, complicated process, many equipments, and high production cost.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] A method for manufacturing ceramics with a multilayer structure, the method comprising the following steps:

[0038] 1) Prepare ordinary ceramic tile blanks for use;

[0039] 2) Prepare a ceramic foam billet, which includes the following components in parts by weight:

[0040] 100 parts of silicon nitride powder, 3 parts of sintering aid, 0.5 part of dispersant, 10 parts of aqueous solution of carboxymethyl cellulose and konjac dextran, 20 parts of green body firing shrinkage agent; 0.03 part of foaming agent;

[0041] 3) After forming the ordinary ceramic tile blank, put the ordinary ceramic tile blank face down into the mold, and then pour the foam ceramic blank into the mold to make a multi-layer structure tile blank; adopting the face down scheme can avoid During the pressing process, the ordinary ceramic adobe is damaged, and preferably, the thickness of the ordinary ceramic adobe is less than 1 / 3 of the overall thickness.

[0042] 4) The semi-finished product is...

Embodiment 2

[0056] A method for manufacturing ceramics with a multilayer structure, the method comprising the following steps:

[0057] 1) Prepare ordinary ceramic tile blanks for use;

[0058] 2) Prepare a ceramic foam billet, which includes the following components in parts by weight:

[0059] 120 parts of silicon nitride powder, 10 parts of sintering aid, 1.5 parts of dispersant, 15 parts of aqueous solution of carboxymethyl cellulose and konjac dextran, 150 parts of green body firing shrinkage agent; 20 parts of foaming agent;

[0060] 3) After forming the ordinary ceramic tile blank, put the ordinary ceramic tile blank face down into the mold, and then pour the foam ceramic blank into the mold to make a multi-layer structure tile blank;

[0061] 4) The semi-finished product is obtained after drying the multi-layer structure tile blank;

[0062] 5) Ceramic bricks with multi-layer structure formed by co-firing.

[0063] Include the following components by weight in the common cerami...

Embodiment 3

[0075] A method for manufacturing ceramics with a multilayer structure, the method comprising the following steps:

[0076] 1) Prepare ordinary ceramic tile blanks for use;

[0077] 2) Prepare a ceramic foam billet, which includes the following components in parts by weight:

[0078] 110 parts of silicon nitride powder, 5 parts of sintering aid, 0.8 part of dispersant, 11 parts of aqueous solution of carboxymethyl cellulose and konjac dextran, 50 parts of green body firing shrinkage agent; 5 parts of foaming agent;

[0079] 3) After forming the ordinary ceramic tile blank, put the ordinary ceramic tile blank face down into the mold, and then pour the foam ceramic blank into the mold to make a multi-layer structure tile blank;

[0080] 4) The semi-finished product is obtained after drying the multi-layer structure tile blank;

[0081] 5) Ceramic bricks with multi-layer structure formed by co-firing.

[0082] Include the following components by weight in the common ceramic ti...

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Abstract

The invention provides a method for manufacturing ceramic of a multi-layer structure. The method includes the following steps that a common ceramic brick material is used for manufacturing surface blank, a foamed ceramic bottom blank material is used for preparing foamed ceramic bottom blank, the surface blank and the foamed ceramic bottom blank are pressed into multiple layers in a spaced mode, the uppermost layer of a tile serves as the surface blank, and after the surface blank is dried, a semi-finished product is obtained; the semi-finished product is colored and subjected to one-time cofiring to form a ceramic tile of the multi-layer structure where the foamed ceramic bottom blank layer and the non-porous surface blank layer coexist. The ceramic tile of the multi-layer structure has the advantages that the ceramic tile is light and convenient to attach, the surface blank is compact, and photochromism is high.

Description

technical field [0001] The invention relates to the field of ceramic production, in particular to a method for producing ceramics with a multilayer structure. Background technique [0002] At present, the materials used for external wall insulation are mainly polystyrene boards, polyurethane boards, phenolic and other insulation boards. The fire protection rating of these organic insulation materials belongs to Class B, which is not resistant to high temperatures and is easy to burn. Toxic and harmful gases in the girder will not only accelerate the spread of the crowd, but also easily cause casualties to the trapped people and rescuers; the external wall insulation materials will also use inorganic insulation materials such as asbestos boards and glass panels. These inorganic insulation materials contain dust and fine particles. Fiber, which not only pollutes the air but also breeds bacteria, has long been a hidden danger to people's health; the thermal insulation performan...

Claims

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Application Information

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IPC IPC(8): C04B38/10C04B35/584C04B35/636C04B35/64C04B33/13C04B33/132C04B33/32C03C8/20C04B41/89
CPCC03C8/20C04B33/13C04B33/132C04B33/32C04B35/584C04B35/636C04B35/6365C04B35/64C04B38/10C04B41/52C04B41/89C04B2235/3208C04B2235/3225C04B2235/3227C04B2235/3409C04B2235/3418C04B2235/445C04B2235/656C04B2235/658C04B38/0054C04B41/5022C04B41/50Y02P40/60
Inventor 吴全发宋江水杨金华
Owner XINLAILI CERAMIC DEV CO LTD
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