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A vitrified brick and its preparation method

A technology of vitrified bricks and chemical composition, which is applied in the field of ceramic processing, can solve problems such as production control difficulties, low product qualification rate, and product physical and chemical properties decline, so as to shorten the firing cycle, improve process performance and physical and chemical properties, and acid resistance Effect of Alkalinity Improvement

Inactive Publication Date: 2015-09-16
临沂市顺弘陶瓷科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Most of the existing technologies only rely on a large amount of waste glass and industrial reagents to reduce the firing temperature, and the formula structure has not changed, resulting in a decline in the physical and chemical properties of the product, difficulties in production control, and low product qualification rates.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A kind of vitrified brick and preparation method thereof:

[0035] The weight ratio of each component in the billet:

[0036] Linyi Porcelain Stone 24 Mengyin Feldspar 24 Pyrophyllite 6 Zhucheng Soil 12 Quartz 6

[0037] Bauxite 8 Laiyang soil 6 Talc 6 Diopside 4 Ball soil 4.

[0038] Preparation:

[0039] Step 1) Put the raw materials of the billet formula into a ball mill, the ball milling fineness is controlled to 250 mesh, and the sieve residue is ≤0.4%, and the mud is repeatedly removed and sieved to ensure that unground raw materials and impurity iron are removed;

[0040]Step 2) forming the powder obtained in step (1) by semi-dry pressing, with a molding pressure of 35 MPa;

[0041] Step 3) firing and cold working process, the firing temperature is 1165-1175°C, and the firing cycle is 35min. In the tail cooling stage of the sintering process, the temperature is lowered at 20° C. / min.

[0042] Step 4) edging and polishing to obtain vitrified tiles.

Embodiment 2

[0044] A kind of vitrified brick and preparation method thereof:

[0045] The weight ratio of each component in the billet:

[0046] Linyi Porcelain Stone 22 Mengyin Feldspar 30 Pyrophyllite 6 Zhucheng Soil 18 Quartz 14

[0047] Bauxite 6 Laiyang soil 6 Talc 8 Diopside 4 Ball soil 6.

[0048] Preparation:

[0049] Step 1) Put the raw materials of the billet formula into a ball mill, the ball milling fineness is controlled to 250 mesh, and the sieve residue is ≤0.4%, and the mud is repeatedly removed and sieved to ensure that unground raw materials and impurity iron are removed;

[0050] Step 2) forming the powder obtained in step (1) by semi-dry pressing, with a molding pressure of 35 MPa;

[0051] Step 3) firing and cold working process, the firing temperature is 1165-1175°C, and the firing cycle is 40min. In the tail cooling stage of the sintering process, the temperature is lowered at 25° C. / min.

[0052] Step 4) edging and polishing to obtain vitrified tiles.

Embodiment 3

[0054] A kind of vitrified brick and preparation method thereof:

[0055] The weight ratio of each component in the billet:

[0056] Linyi Porcelain Stone 30 Mengyin Feldspar 24 Pyrophyllite 8 Zhucheng Soil 14 Quartz 8

[0057] Bauxite 5 Laiyang soil 5 Talc 5 Diopside 3 Ball soil 3.

[0058] Preparation:

[0059] Step 1) Put the raw materials of the billet formula into a ball mill, and the fineness of the ball mill is controlled to 250 mesh, and the sieve residue is ≤0.5%, and the mud is repeatedly removed and sieved to ensure that the unground raw materials and impurity iron are removed;

[0060] Step 2) molding the powder obtained in step (1) by semi-dry pressing, with a molding pressure of 32MPa;

[0061] Step 3) firing and cold working process, the firing temperature is 1165-1175°C, and the firing cycle is 38min. In the tail cooling stage of the sintering process, the temperature is lowered at 15° C. / min.

[0062] Step 4) edging and polishing to obtain vitrified tiles...

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Abstract

The invention provides a vitrified tile and a preparation method of the vitrified tile and belongs to the technical field of ceramic. The vitrified tile provided by the invention is prepared from the following raw materials: Linyi porcelain stone, Mengyin feldspar, pyrophyllite, Zhucheng soil, quartz, alumina, Laiyang soil, soapstone, diopside and fat clay. All raw materials can take synergistic effect under the action of high temperature, the firing temperature can be reduced to some extent, the firing cycle is shortened, and the processing property and the physical and chemical properties of the product are qualitatively improved in comparison with a conventional process.

Description

technical field [0001] The invention belongs to the field of ceramic processing, and relates to a vitrified brick and a preparation method thereof. Background technique [0002] Vitrified bricks are one of the main products of architectural ceramics. Ceramic bricks with a water absorption rate of less than 0.5% are called vitrified bricks. Polished bricks with a water absorption rate of less than 0.5% are also vitrified bricks (higher than 0.5% can only be Polished tiles are not vitrified tiles), and then the vitrified tiles are mirror-polished to obtain vitrified polished tiles, because the water absorption rate is low and the hardness is relatively high, and it is not easy to scratch. At present, the most commonly used raw materials for vitrified bricks are feldspar and quartz. However, with the large-scale mining of these raw materials, the storage volume is getting smaller and smaller, and the quality is declining year by year. [0003] At present, the conventional firi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B33/13
Inventor 张玉静张丙顺
Owner 临沂市顺弘陶瓷科技有限公司
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