Brick with temperature for porcelain brick kiln, and preparation method and application thereof

A ceramic tile, temperature-controlled technology, applied in the field of ceramic tiles, can solve the problems of short service life, easy breakage, unfavorable stability of the kiln system, etc. Effect

Active Publication Date: 2020-05-12
肇庆乐华陶瓷洁具有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the strength of this warm brick is high, it is easy to break during the cyclic firing process and has a short service life.
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Method used

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  • Brick with temperature for porcelain brick kiln, and preparation method and application thereof
  • Brick with temperature for porcelain brick kiln, and preparation method and application thereof

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preparation example Construction

[0045] Correspondingly, the present invention also discloses a method for preparing the above-mentioned heated brick for a porcelain brick kiln, which includes:

[0046] (1) Mix 5-10 parts of roller bar waste, 10-25 parts of magnesia soil, 10-20 parts of bentonite, and 5-15 parts of potassium sodium sand to obtain the first mixture;

[0047] The particle size of roller bar waste and potassium sodium sand is relatively large (>3cm); magnesia soil and bentonite contain some larger soil and / or mud lumps; therefore, these components are firstly mixed and ball milled to promote crushing efficiency. ,

[0048] (2) Mix 1-5 parts of polished brick waste residue, 30-40 parts of fly ash, and 0.5-1.5 parts of binder to obtain a second mixture;

[0049] Polished brick waste slag is the waste slag produced during the polishing process of polished bricks, and its particle size is very small, below 200 mesh (74 μm); fly ash is a product of coal combustion, and its particle size is also sma...

Embodiment 1

[0064] The present embodiment provides a kind of warm brick that is used for porcelain brick kiln, and its formula is:

[0065] 5 parts of roller bar waste, 20 parts of magnesia soil, 18 parts of bentonite, 3 parts of polished brick waste residue, 40 parts of fly ash, 14 parts of potassium sodium sand; 1 part of lignin;

[0066] Among them, the Al 2 o 3 The content is 67.5wt%; the content of MgO in magnesia soil is 21.8wt%, SiO 2 The content is 67.3wt%, Al 2 o 3 The content of Al in fly ash is 2.5wt%; 2 o 3 The CaO content is 34.28wt%, and the CaO content is 5.4wt%.

[0067] The preparation method is:

[0068] (1) mixing the roller bar waste, magnesia soil, bentonite, potassium sodium sand evenly to obtain the first mixture;

[0069] (2) mixing the polished brick waste slag, fly ash and binding agent to obtain the second mixture;

[0070] (3) After ball milling the first mixture for 6 hours, add the second mixture, and continue ball milling for 0.5 hours to obtain a s...

Embodiment 2

[0078] The present embodiment provides a kind of warm brick that is used for porcelain brick kiln, and its formula is:

[0079] 8 parts of roller bar waste, 24 parts of magnesia soil, 15 parts of bentonite, 5 parts of polished brick waste residue, 38 parts of fly ash, 10 parts of potassium sodium sand; 1.2 parts of sodium carboxymethyl cellulose;

[0080] Among them, the Al 2 o 3 The content is 58.6wt%; the content of MgO in magnesia soil is 23.2wt%, SiO 2 The content is 65.9wt%, Al 2 o 3 The content of Al in fly ash is 1.6wt%; 2 o 3 The CaO content is 31.7wt%, and the CaO content is 12.4wt%.

[0081] The preparation method is:

[0082] (1) mixing the roller bar waste, magnesia soil, bentonite, potassium sodium sand evenly to obtain the first mixture;

[0083] (2) mixing the polished brick waste slag, fly ash and binding agent to obtain the second mixture;

[0084] (3) After ball milling the first mixture for 7 hours, add the second mixture, and continue ball milling ...

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Abstract

The invention discloses a brick with a temperature for a porcelain brick kiln. The brick is prepared from roller waste, magnesia, bentonite, polished tile waste residues, fly ash, potassium-sodium sand and an adhesive. Correspondingly, the invention also discloses a preparation method for the brick with the temperature and an application of the brick with the temperature in the porcelain tile firing process. The brick with the temperature provided by the invention has the following advantages: acicular mullite and cordierite are generated through reasonable formula structure and high-temperature firing, so the breaking strength and thermal shock resistance of the brick with temperature are improved, and the service life of the brick with temperature is prolonged. Meanwhile, the brick withthe temperature is high in porosity, low in heat conductivity coefficient and high in heat capacity, heat of the kiln can be fully taken away, and the temperature curve of the kiln is kept stable.

Description

technical field [0001] The invention relates to the technical field of ceramic bricks, in particular to a heated brick used in a porcelain brick kiln and a preparation method and application thereof. Background technique [0002] Most of the existing ceramic tile manufacturers use roller kilns for drying and firing, and the roller kilns are continuous production for 24 hours. In the continuous production process, in order to stabilize the quality of the product, the temperature, atmosphere and pressure of the kiln need to be kept stable. However, with the development of the ceramic tile industry, the decoration of tiles has become more and more diversified, so more and more production has been changed during the production process, and the phenomenon of empty kilns has also increased, that is, no bricks enter the kiln, resulting in empty kiln firing; The empty kiln will directly have a great impact on the temperature, atmosphere and pressure of the kiln. The direct harm is ...

Claims

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Application Information

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IPC IPC(8): C04B33/132C04B33/135C04B33/13
CPCC04B33/1305C04B33/131C04B33/132C04B33/1324C04B33/1352C04B2235/3206C04B2235/3217C04B2235/3418C04B2235/3427C04B2235/96C04B2235/9607Y02P40/60
Inventor 谢岳荣霍振辉徐鹏飞陈世立
Owner 肇庆乐华陶瓷洁具有限公司
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