Processing technology for porcelain tile

A processing technology and technology of porcelain bricks, applied in the field of building materials, can solve the problems of low flexural strength of fired brick products, low recovery rate of cinder, low whiteness of fired brick products, etc., to improve ball milling efficiency and fluidity Good, the effect of reducing water absorption

Active Publication Date: 2015-04-08
KEDA INDUSTRIAL GROUP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the preparation process of the above-mentioned fired bricks, the clay was first pretreated with a fungicide, but the cinder was not pretreated, resulting in: 1. The whiteness of the fired brick product was low; 2. The flexural strength of the fired brick product was low, The average value is ≧2.26 Mpa, and the minimum value of a single block is ≧1.28Mpa; 3. The process of mixing clay, sludge and cinder consumes a lot of electricity and costs a lot
In addition, the amount of cinder used is less, only accounting for 5-10 parts by weight, and the recycling rate of cinder is not high

Method used

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  • Processing technology for porcelain tile
  • Processing technology for porcelain tile
  • Processing technology for porcelain tile

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0110] (1) Pretreatment of coal cinders: pass 130g of coal cinder raw materials through 8-mesh sieve; 107g of <8-mesh coal cinders enter the magnetic separation equipment for iron recovery, and 23g of ≧8-mesh coal cinders are crushed by a crusher, and then enter the magnetic separation equipment Carry out iron recovery, the recovered iron is 30g; 100g of coal slag after magnetic separation is added with 50g of water, and after ball milling, the first mixed material with a specific gravity of 1.0, a water content of 25%, and a flow rate of 10s is obtained; 150g of the first mixed material Add 80g of water to the material first, then reclaim the iron powder through the iron removal equipment to obtain the second mixed material with a specific gravity of 1.0, a water content of 25%, and a flow rate of 8s. The iron powder recovered is 5g; Add the mixture of 1g soda ash and 1g hydrosulfite to the second mixed material, carry out sedimentation and bleaching treatment through the sett...

Embodiment 2

[0114] (1) Pretreatment of coal cinders: pass 130g of coal cinder raw materials through 8-mesh sieve; 107g of <8-mesh coal cinders enter the magnetic separation equipment for iron recovery, and 23g of ≧8-mesh coal cinders are crushed by a crusher, and then enter the magnetic separation equipment Carry out iron recovery, the recovered iron is 30g; 100g of coal slag after magnetic separation is added with 50g of water, and after ball milling, the first mixed material with a specific gravity of 1.2, a water content of 30%, and a flow rate of 12s is obtained; 150g of the first mixed material Add 80g of water to the material first, and then reclaim the iron powder through the iron removal equipment to obtain the second mixed material with a specific gravity of 1.2, a water content of 30%, and a flow rate of 10s. The iron powder recovered is 5g; Add 3g of sulfuric acid to the second mixed material, the concentration of sulfuric acid is 20%, carry out sedimentation and bleaching treat...

Embodiment 3

[0118] (1) Pretreatment of coal cinders: pass 130g of coal cinder raw materials through 8-mesh sieve; 107g of <8-mesh coal cinders enter the magnetic separation equipment for iron recovery, and 23g of ≧8-mesh coal cinders are crushed by a crusher, and then enter the magnetic separation equipment Carry out iron recovery, the recovered iron is 30g; 100g of cinder after magnetic separation is added with 50g of water and 10g of raw talc, and after ball milling, the first mixed material with a specific gravity of 1.5, a water content of 35%, and a flow rate of 15s is obtained; 160g Add 80g of water to the first mixed material, and then reclaim the iron powder through the iron removal equipment to obtain the second mixed material with a specific gravity of 1.5, a water content of 40%, and a flow rate of 12s. The iron powder recovered is 5g; the 235g Add the mixture of 1g soda ash and 2g hydrosulfite to the second mixed material after iron removal, carry out sedimentation and bleachin...

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Abstract

The invention discloses a processing technology for a porcelain tile. The processing technology comprises the steps of firstly, pretreating coal cinder to obtain coal cinder containing less than 0.5% of TiO2, less than 0.05% of V2O5 and less than 0.5% of Fe; secondly, mixing 15-25% of clay, 15-70% of the coal cinder pretreated in the first step, 10-55% of feldspar and 2-10% of additives, and proportioning; and thirdly, carrying out compression molding on the mixed material, and sintering to obtain a finished product. By using the processing technology, the ball milling efficiency is increased, the iron removal effect is improved, the whiteness of a product is greatly improved, and the removed harmful substances can be recovered.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a processing technology of porcelain tiles. Background technique [0002] my country's construction industry has a huge demand for porcelain tiles. Most of the conventional porcelain tiles need sandy barren raw materials. The formula is: clay 15-25%, feldspar 60-70%, additives 3-10%. Feldspar is a kind of barren sand material. The barren sand material is obtained from the mountains. It needs to strip off the surface vegetation and the sticky loess on the surface of the mountain. It has a great impact on the environment, destroys the national forest, and causes soil erosion at the same time. [0003] On the other hand, the output of industrial cinder is very large. Although there are some ways of environmental protection and reuse, such as: adding to processed cement, making municipal bricks, etc., the amount of addition and use is small, which is far from being able to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B33/135C04B33/24
CPCY02P40/60
Inventor 林智武桢邵俊杰
Owner KEDA INDUSTRIAL GROUP CO LTD
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