High blending flyash porcelain brick and its making method

A technology of fly ash and porcelain bricks, which is applied in the field of porcelain ceramics for construction and its preparation, can solve the problems such as the production cost of porcelain bricks cannot be reduced, and achieve enhanced bonding, simplified raw material formulations, and enhanced plasticization Effect

Inactive Publication Date: 2003-04-16
CHINA UNIV OF GEOSCIENCES (WUHAN)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The process of firing porcelain tiles with fly ash cannot greatly reduce the production cost of porcelain tiles

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Implementation example 1: (1) formula: 60% fly ash+35% kaolin+5% feldspar; (2) process flow and main process parameters: fly ash dry ball milling for 3 hours; adopt wet mixing method to prepare pulp Mix 10% water for granulation; use 40MPa pressure to form; 850°C for 30 minutes at medium heat; 1210°C for 40 minutes at high heat; firing temperature is 1210°C. (3) Product appearance and performance: The product is grain-like, white-gray and slightly reddish, with a water absorption rate of 0.18% and a modulus of rupture of 40MPa.

Embodiment 2

[0030] Implementation example 2: (1) Formula: 70% fly ash+25% kaolin+5% feldspar; (2) Process flow and main process parameters: fly ash dry ball milling for 3 hours; wet mixing method for batching and pulping ; mix 9% water for granulation; use 40MPa pressure to form; 850 ℃ medium fire for 30 minutes; 1210 ℃ high fire for 40 minutes; firing temperature is 1210 ℃. (3) Product appearance and performance: The product is grain-like, dark gray and slightly reddish, with a water absorption rate of 0.16% and a modulus of rupture of 44MPa.

Embodiment 3

[0031] Implementation example 3: (1) formula: 65% fly ash+30% kaolin+5% feldspar; (2) process flow and main process parameters: adopt wet method ball mill method mixing ball mill pulping; mix 9% water Carry out granulation; utilize the pressure of 40MPa to form; 850 ℃ medium fire heat preservation 50min; 1210 ℃ high fire heat preservation 60min; Firing temperature is 1210 ℃. (3) Product appearance and performance: The product is fine and smooth, blue-gray, with a water absorption rate of 0.1% and a modulus of rupture of 47MPa.

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Abstract

A ceramic tile with high content is flyash is prepared from flyash (60-700 wt.%), superfine kaolinite (25-40) prepared by the nano intercalation technique, and feldspar (0-10) through pretreating rawmaterials, compounding, pulping, baking, grinding, adding water and granulating, ageing, die pressing, baking, sintering and cooling. Its advantages are low cost, low hydroscopicity (less than 0.5%),and high modulus of rupture (more than 35 MPa).

Description

technical field [0001] The invention relates to a kind of porcelain ceramic for building and its preparation method, in particular to a kind of porcelain brick prepared by using fly ash as the main raw material and its preparation method. Background technique [0002] Porcelain tiles are also often called vitrified tiles in the ceramic market, and are a type of high-grade porcelain ceramics for construction. It has the advantages of high flexural strength, good thermal stability, low water absorption, hard texture, acid and alkali resistance, corrosion resistance, frost resistance, anti-slip, moisture-proof, easy to clean, etc. It can be extended and applied to shopping malls, hotel buildings, exhibition halls, Wall, floor and column decoration in entertainment places, airport stations, hospitals, schools, residential living rooms and other places. Porcelain tiles are bright in color, natural and soft in texture, graceful and elegant, gorgeous and noble, and have excellent ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B18/08C04B33/02C04B33/24C04B33/32
CPCY02W30/91
Inventor 王焰新周俊袁曦明
Owner CHINA UNIV OF GEOSCIENCES (WUHAN)
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