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Preparation method of ceramic rock plate and the ceramic rock plate

A technology of slate and ceramics, which is applied in the production of ceramic materials, etc., can solve the problems of failure to meet the requirements of large-scale home decoration, dry cracked bricks, many cracked bricks during transportation, and low drying pass rate, so as to improve machinability and internal uniformity The effect of high resistance and less stress accumulation

Active Publication Date: 2020-09-25
FUJIAN DESHENG NEW BUILDING MATERIAL CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of the existing rock slabs are 1200×1600mm in size 2 、2400×1800mm 2 、2400×1200mm 2 And other specifications, still unable to meet the requirements of large home decoration (cooktop, cabinet, bathroom cabinet, etc.)
On the other hand, the existing rock slab production system is immature, resulting in cracked bricks during drying and transportation, and the passing rate of drying is lower than 95%. Similarly, the passing rate of firing is also low, around 90%.
In addition, the existing ceramic rock slabs are extremely easy to break during processing. According to statistics, the cracking rate of the existing rock slabs has reached more than 65%, which has become a huge problem that plagues the industry.

Method used

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  • Preparation method of ceramic rock plate and the ceramic rock plate
  • Preparation method of ceramic rock plate and the ceramic rock plate
  • Preparation method of ceramic rock plate and the ceramic rock plate

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preparation example Construction

[0046] see figure 1 , the invention provides a kind of preparation method of ceramic rock plate, it comprises the following steps:

[0047]S1: Mix various raw materials evenly according to the formula, and ball mill to obtain slurry;

[0048] Specifically, the formula is:

[0049] 15-20 parts of potassium feldspar, 8-15 parts of albite, 15-20 parts of calcined kaolin, 12-20 parts of black mud, 8-15 parts of white mud, 15-20 parts of pyrophyllite, 1-10 parts of toughening agent ; The sum of the parts by weight of the above raw materials is 100 parts.

[0050] Among them, potassium feldspar and albite are the main fluxes, which can promote firing to obtain finished ceramic slabs with a water absorption rate of <0.1%, increase the flexural strength of ceramic slabs, reduce micropores, and improve pollution resistance. Wherein, the amount of potassium feldspar is 15-20 parts, and the amount of albite feldspar is 8-15 parts; preferably, the amount of potassium feldspar is 17-20 ...

Embodiment 1

[0090] This embodiment provides a ceramic rock slab whose size is 3600×2000×20mm 3 ; Wherein, the thickness of green body layer is 19mm;

[0091] The formula of green body layer is:

[0092] 19 parts of potassium feldspar, 12 parts of albite feldspar, 16 parts of calcined kaolin, 18 parts of black mud, 10 parts of white mud, 18 parts of pyrophyllite, 1 part of low-temperature toughening agent, and 6 parts of high-temperature toughening agent;

[0093] Among them, 80% of the particles in the calcined kaolin have a particle size of less than 1 μm; methyl cellulose is used as the low-temperature toughening agent, and mullite whiskers are used as the high-temperature toughening agent;

[0094] Preparation method of ceramic rock plate:

[0095](1) Mix various raw materials uniformly according to the formula, and ball mill to obtain slurry;

[0096] Wherein, the 250 mesh sieve of slurry is 0.2%;

[0097] (2) The slurry is spray-dried, and the first powder is obtained after sievi...

Embodiment 2

[0115] This embodiment provides a large-scale ceramic slab, its size is 3600 × 1800 × 25mm 3 ; Wherein, the thickness of green body layer is 24.5mm;

[0116] The formula of green body layer is:

[0117] 19 parts of potassium feldspar, 12 parts of albite feldspar, 16 parts of calcined kaolin, 18 parts of black mud, 10 parts of white mud, 18 parts of pyrophyllite, 1 part of low-temperature toughening agent, and 6 parts of high-temperature toughening agent;

[0118] Among them, 90% of the particles in the calcined kaolin have a particle size of less than 1 μm; tobermolite is selected as the low-temperature toughening agent, and steatite is selected as the high-temperature toughening agent;

[0119] Preparation method of ceramic rock plate:

[0120] (1) Mix various raw materials uniformly according to the formula, and ball mill to obtain slurry;

[0121] Wherein, the 250 mesh sieve of slurry is 0.4%;

[0122] (2) The slurry is spray-dried, and the first powder is obtained afte...

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Abstract

The invention discloses a preparation method of a ceramic rock plate, which comprises the following steps: preparing slurry, carrying out spray drying to obtain powder, screening a part of the powder,mixing the screened powder with the remaining powder to obtain pressed powder, pressing the plate, glazing the plate, decorating the plate, and firing the final product. The invention further discloses the ceramic rock plate prepared by adopting the preparation method. The ceramic rock plate can well adapt to a later deep processing technology, can be widely applied to the fields of floors, curtain walls and veneers, and has the advantages of high strength, high hardness, acid and alkali resistance, high temperature resistance and the like.

Description

technical field [0001] The invention relates to the field of ceramic tiles, in particular to a method for preparing a ceramic rock plate and the ceramic rock plate. Background technique [0002] With the improvement of people's living standards, the choice of decoration and decoration materials, the aesthetics are becoming more and more individualized, and more attention is paid to style and taste. For walls, floors, curtain walls, furniture, cabinets, countertops and other decorative materials in modern times There are more and more application requirements in decoration. Existing facing materials mainly contain natural stone and artificial quartz stone. Among them, artificial quartz stone refers to a plate formed by vibrating resin, quartz, and coloring materials and curing at 100-200 ° C. Because it contains resin materials, it has low hardness, poor acid and alkali resistance, and high temperature resistance. Although natural stone has relatively high hardness, good hi...

Claims

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Application Information

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IPC IPC(8): C04B35/19C04B35/636C04B35/81C04B35/64C04B35/622C04B41/89
CPCC04B35/19C04B35/6365C04B35/64C04B35/636C04B35/622C04B41/52C04B41/89C04B41/009C04B2235/3472C04B2235/349C04B2235/3427C04B2235/5276C04B2235/5427C04B2235/5436C04B2235/96C04B2235/6562C04B2235/6567C04B2235/3206C04B2235/3244C04B2235/3217C04B2235/3445C04B2235/3463Y02P40/60
Inventor 朱祥辉郭海兵梁杰
Owner FUJIAN DESHENG NEW BUILDING MATERIAL CO LTD
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