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Ceramic tile blank and preparation method

A ceramic tile and powder technology, which is applied in the field of ceramic tile blank and preparation, can solve problems such as difficult to meet the production requirements of enterprises, great influence on performance stability, and insufficient wetting of particles, so as to optimize granulation efficiency and granulation effect Good, the effect of optimizing the quality of granulated particles

Active Publication Date: 2016-02-03
湖北亚细亚陶瓷有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing dry powder making process of ceramic raw materials adopts ball milling of hard and soft materials at the same time. Due to the different physical properties such as raw material hardness, the efficiency of ball milling is reduced, the energy consumption is high, and the performance stability of the final product is greatly affected.
In addition, the current dry powder making process of ceramic raw materials adopts directly adding water to 6-8%, and mixing the raw materials with water by rolling, stirring, etc. Meet the production requirements of the enterprise

Method used

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  • Ceramic tile blank and preparation method

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Experimental program
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Effect test

Embodiment 1

[0023] 1) see figure 1 , the hard material and soft material are treated separately, and the hard material and soft material are subjected to coarse and medium crushing treatment respectively to obtain particles with a particle size of ≤25mm, and then the crushed particles are finely ground by Raymond mill to the particle size ≤0.058mm, get hard materials with a particle size of ≤0.058mm and soft materials with a particle size of ≤0.058mm, and put them into the silo for later use.

[0024] Among them, the hard material is a mixture of wollastonite, dolomite, and feldspar with a mass percentage of 30%: 46%: 24%, and the soft material is a mass percentage of 49%: 18%: 33% of high alumina clay, black talc, kaolin mixture.

[0025] 2) Prepare the green body strengthening agent solution, the mass ratio is CMC: PVA: sodium polyacrylate: sodium alginate = 2: 0.5: 19: 0.03, mix CMC, PVA, sodium polyacrylate, sodium alginate, and then add water to prepare The green body strengthening...

Embodiment 2

[0030]1) Separately treat the hard and soft materials, and perform coarse and medium crushing on the hard and soft materials respectively to obtain particles with a particle size ≤ 25 mm, and then finely grind the crushed particles with a Raymond mill until finely ground to The particle size is ≤0.058mm, and the hard material with a particle size of ≤0.058mm and the soft material with a particle size of ≤0.058mm are obtained, and put into the silo for standby.

[0031] Among them, the hard material is a mixture of wollastonite, dolomite and feldspar with a mass percentage of 33%: 38%: 29%, and the soft material is a mass percentage of 51%: 10%: 39% of high alumina clay, black talc, kaolin mixture.

[0032] 2) Prepare the green body strengthening agent solution, the mass ratio is CMC: PVA: sodium polyacrylate: sodium alginate = 3: 0.6: 18: 0.02, weigh CMC, PVA, sodium polyacrylate and sodium alginate and mix them, Then add water to make a solution with a mass fraction of 6.5%,...

Embodiment 3

[0037] 1) Separately treat the hard and soft materials, and perform coarse and medium crushing on the hard and soft materials respectively to obtain particles with a particle size ≤ 25 mm, and then finely grind the crushed particles with a Raymond mill until finely ground to The particle size is ≤0.058mm, and the hard material with a particle size of ≤0.058mm and the soft material with a particle size of ≤0.058mm are obtained, and put into the silo for standby.

[0038] Among them, the hard material is a mixture of wollastonite, dolomite and feldspar with a mass percentage of 28%: 55%: 17%, and the soft material is a mass percentage of 61%: 8%: 31% of high alumina clay, black talc, kaolin mixture.

[0039] 2) Prepare the green body strengthening agent solution, the mass ratio is CMC: PVA: sodium polyacrylate: sodium alginate = 2: 0.7: 15: 0.02, weigh CMC, PVA, sodium polyacrylate and sodium alginate and mix them, Then add water to make a solution with a mass fraction of 8%, w...

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Abstract

The invention relates to a ceramic tile blank and a preparation method. CMC (Carboxymethylcellulose), PVA (Polyvinyl Acetate), sodium polyacrylate and sodium alginate of which the mass ratio is (2 to 3):(0.5 to 0.8):(15 to 20):(0.01 to 0.03) are mixed, and then water is added, so as to obtain a body enhancer solution of which the mass fraction is 5 to 8%; hard materials and soft materials are uniformly mixed to be added to a granulator, the body enhancer solution is added to the granulator, powder granulated by the granulator is dried until the moisture content is 5 to 8%, and then screening is performed, so as to obtain the ceramic tile blank. All components of the ceramic tile blank are suitable for a dry pulverizing process, compared with a general dry granulating technique, the ceramic tile blank has the advantages of stable quality and good granule fluidity, after a ceramic tile sample is fired, the average breaking strength reaches 38 to 55 MPa, and the water absorption is less than or equal to 0.5%.

Description

technical field [0001] The invention belongs to the field of building materials, and in particular relates to a ceramic brick blank and a preparation method. Background technique [0002] As a traditional industry, the ceramic industry has high energy consumption, and the production energy consumption of ceramic products accounts for 30-40% of the production cost of ceramics. Because almost all the powder making of ceramic bricks adopts the spray drying powder making process, this process consumes a lot of energy. energy, and emit a large amount of SO 2 , CO 2 And smoke and dust exhaust gas, resulting in huge waste of energy, resources and environmental pollution. Dry granulation only needs to dry the ceramic powder with a water content of 10-12% into a ceramic powder with a water content of 6-8%. Compared with the traditional spray granulation wet process, it has the advantages of saving water resources, low energy consumption and less pollution. The advantages. [0003...

Claims

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Application Information

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IPC IPC(8): C04B35/14C04B35/632C04B35/626
Inventor 黄剑锋张博烨费杰陶晓文汪庆刚曹丽云刘纯
Owner 湖北亚细亚陶瓷有限公司
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