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Method for improving structure and performance of barium slag ceramic tiles

A ceramic brick and barium slag technology, which is applied in the field of ceramic brick preparation, can solve the problems of low content of barium feldspar in the main crystal phase, low comprehensive utilization rate of barium slag, and low comprehensive performance, so as to improve the microstructure and enhance the driving force of sintering , Improve the effect of mechanical properties

Inactive Publication Date: 2019-12-20
KAILI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, the comprehensive utilization rate of barium slag is low, the process of preparing ceramic bricks by using barium slag is not systematic, the comprehensive performance of ceramic bricks prepared directly

Method used

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  • Method for improving structure and performance of barium slag ceramic tiles
  • Method for improving structure and performance of barium slag ceramic tiles
  • Method for improving structure and performance of barium slag ceramic tiles

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A method for improving the structure and performance of barium slag ceramic tiles comprises the following steps:

[0028] 1) Raw material ball milling and sieving

[0029] The barium slag, calcium carbide slag and kaolin required for the experiment were pre-dried in a drying oven at 105 °C respectively. After drying, they were put into a ball mill to grind and homogenize, and the raw materials were taken out and sieved with a 500-mesh molecular sieve, and collected for later use;

[0030] 2) Ingredients

[0031] The raw material after sieving is distributed according to the following components: barium slag 35%, glass slag 10% and kaolin 55%, and then accurately weighed 2% anionic surfactant sodium dodecylbenzene sulfonate (sodium dodecylbenzene sulfonate ( SDBS) blended into the mixed raw materials;

[0032] 3) Add distilled water and stir well

[0033] Add distilled water in the mixed raw material after batching, the mass ratio of described mixed raw material and d...

Embodiment 2

[0039] A method for improving the structure and performance of barium slag ceramic tiles comprises the following steps:

[0040] 1) Raw material ball milling and sieving

[0041] The barium slag, calcium carbide slag and kaolin required for the experiment were pre-dried in a drying oven at 105 °C, and after drying, they were put into a ball mill for grinding and homogenization, and the raw materials were taken out and sieved with a 300-mesh molecular sieve, and collected for later use;

[0042] 2) Ingredients

[0043] The raw material after sieving is distributed according to the following components: barium slag 15%, glass slag 10% and kaolin 75%, and then accurately weighed 1% anionic surfactant sodium dodecylbenzene sulfonate ( SDBS) blended into the mixed raw materials;

[0044] 3) Add distilled water and stir well

[0045] Add distilled water in the mixed raw material after batching, the mass ratio of described mixed raw material and distilled water is 150:1, mixes eve...

Embodiment 3

[0051] A method for improving the structure and performance of barium slag ceramic tiles comprises the following steps:

[0052] 1) Raw material ball milling and sieving

[0053] The barium slag, calcium carbide slag and kaolin required for the experiment were pre-dried in a drying oven at 105 °C, and after drying, they were put into a ball mill for grinding and homogenization, and the raw materials were taken out and sieved with a 400-mesh molecular sieve, and collected for later use;

[0054] 2) Ingredients

[0055] The raw material after sieving is distributed according to the following components: barium slag 25%, glass slag 15% and kaolin 60%, and then accurately weighed 1.5% anionic surfactant sodium dodecylbenzene sulfonate ( SDBS) blended into the mixed raw materials;

[0056] 3) Add distilled water and stir well

[0057] Add distilled water in the mixed raw material after batching, the mass ratio of described mixed raw material and distilled water is 150:2, mixes h...

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Abstract

The invention discloses a method for improving the structure and performance of barium slag ceramic tiles. The method includes the following steps: using barium slag and glass slag as raw materials, performing ball milling so as to prepare reserve slurry, performing sieving, performing raw material batching, adding an anionic surfactant sodium dodecylbenzene sulfonate for dispersion of the raw materials, adding water, performing mixing, and performing pressure forming and high temperature calcination so as to obtain the ceramic tiles. The comprehensive performance of the obtained barium slag ceramic tiles is good through the process of ball milling of the raw materials, sieving, batching, mixing with distilled water, stirring, sheeting molding of the mixed materials and high-temperature sintering, wherein the grain size of the baryta feldspar phase is 48.2-60.2 mm, the compressive strength is 87-93 MPa, the water absorption rate is 6.42-6.73%, the shrinkage rate is 9.11-10.73%, the hardness is 36.4-37.7 HRA, and the micro-morphology of fractures is of a dimple fracture.

Description

technical field [0001] The invention relates to a method for preparing ceramic bricks by using industrial waste barium slag, which improves the microstructure of the ceramic bricks and improves the mechanical properties of the ceramic bricks by optimizing the preparation process, and belongs to the technical field of ceramic material production. Background technique [0002] Barium slag is the solid waste discharged during the production of barium carbonate from barite. Barium slag has been piled up for a long time, occupying a large amount of farmland and land. The technology for secondary use in industrial production is relatively lagging behind, and there are few application fields. At present, barium slag can be used mainly for the production of cement clinker, the production of building bricks, the separation and extraction of rare earth elements and In the chemical industry, barium chloride and barium nitrate are produced. The accumulative stockpile of barium slag in ...

Claims

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Application Information

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IPC IPC(8): C04B33/138C04B33/132C04B33/13
CPCC04B33/1305C04B33/132C04B33/138C04B2235/3481C04B2235/6562C04B2235/6567C04B2235/781C04B2235/96Y02P40/60
Inventor 张杨
Owner KAILI UNIV