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Method for manufacturing large silicon oxide ceramic sheet

A manufacturing method and technology of silicon oxide, which is applied in the field of ceramic products, can solve the problems of not being able to adapt to market demand, complex control conditions, and small format of finished products, and achieve the effects of low operation and maintenance costs, improved corrosion resistance, and high production efficiency

Active Publication Date: 2013-05-01
山东德惠来装饰瓷板有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] This method not only has the disadvantages of cumbersome process, complex control conditions and long cycle when "protecting drying", but also the finished product is too small to meet market demand

Method used

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  • Method for manufacturing large silicon oxide ceramic sheet
  • Method for manufacturing large silicon oxide ceramic sheet

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] The method for manufacturing a large silicon oxide ceramic plate of the present application includes four steps of preparing raw material clay particles, preparing a large silicon oxide ceramic thin plate green body, preparing a large silicon oxide ceramic thin plate plain plate, and preparing a finished silicon oxide ceramic large thin plate:

[0041] (1) Preparation of raw clay particles

[0042] Raw material weight ratio: (kg)

[0043] 60 parts of acicular wollastonite, 30 parts of clay, 20 parts of mullite, 20 parts of china clay, 20 parts of feldspar, and 30 parts of bentonite; acicular wollastonite accounts for 33.34% of the total weight of raw materials; the acicular silica The aspect ratio of limestone is 20:1;

[0044] Grind other raw materials into a fine powder with a particle size of 250 mesh, then mix it with acicular wollastonite, add water 30% of the weight of the raw materials, and after uniform mixing, screen and remove iron to form a uniform slurry, a...

Embodiment 2

[0059] Raw material weight ratio: (kg)

[0060] 30 parts of acicular wollastonite, 25 parts of clay, 15 parts of mullite, 15 parts of china clay, 20 parts of feldspar, and 30 parts of bentonite; acicular wollastonite accounts for 28.57% of the total weight of raw materials; the acicular silica The aspect ratio of limestone is 16.5:1;

[0061] The finished silicon oxide ceramic large thin plate has specifications: length: width: thickness = 2000mm: 1000mm: 3mm;

[0062] Product inspection results: non-combustible; water absorption 2.12%; breaking strength, 895N / cm 2 ,, modulus of rupture: 48Mpa, bending degree 34mm; pollution resistance level 5, chemical corrosion resistance level GA, radiation: internal irradiation: 0.73, external irradiation: 0.91; freeze-thaw test +20 ~ -35 ℃ intact; Resistant to thermal shock at 140°C, intact.

[0063] All the other are with embodiment 1.

Embodiment 3

[0065] Raw material weight ratio: (kg)

[0066] 60 parts of acicular wollastonite, 25 parts of clay, 20 parts of mullite, 20 parts of china clay, 20 parts of feldspar, and 30 parts of bentonite; acicular wollastonite accounts for 34.28% of the total weight of raw materials; the acicular silica The aspect ratio of gray stone is 17.5:1;

[0067] The finished silicon oxide ceramic large thin plate has specifications: length: width: thickness = 2200mm: 1500mm: 3-4mm;

[0068] Product inspection results: non-combustible; water absorption 2.54%; breaking strength, 906N / cm 2 ,, modulus of rupture 50.5Mpa; bending degree 26mm; freeze-thaw test +20 ~ -35 ℃ intact; 140 ℃ thermal shock resistance, intact, pollution resistance level 5, chemical corrosion resistance level GA, radiation: within Irradiation: 0.68, external irradiation: 0.88..

[0069] All the other are with embodiment 1.

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Abstract

The invention discloses a method for manufacturing a large silicon oxide ceramic sheet. The method comprises the following steps of: preparing blank soil particles serving as raw materials, preparing the green body of the large silicon oxide ceramic sheet, preparing the base body layer plain panel of the large silicon oxide ceramic sheet and preparing the large silicon oxide ceramic sheet finished product. The large silicon oxide ceramic sheet is prepared from the following raw materials in part by weight: 30 to 60 parts of needle-like wollastonite, 25 to 30 parts of clay, 15 to 20 parts of mullite, 15 to 20 parts of china clay, 10 to 20 parts of feldspar and 10 to 30 parts of bentonite; the needle-like wollastonite accounts for 28.57 to 36.36 percent based on the total weight of the raw materials; and the draw ratio of the needle-like wollastonite is (16.5-20):1. The method specifically comprises the following steps of: pressing blank soil particles serving as the raw materials to form the green body under the forming pressure of 6,000 to 7,000tons / m<2>; drying at the temperature of between 80 and 250 DEG C for 40 to 100 minutes; biscuitfiring the base body layer plain panel at the temperature of between 800 and 1,300 DEG C for 50 to 120 minutes; and glazing, printing, firing at the temperature of between 900 and 1,300 DEG C for 30 to 120 minutes to obtain the large silicon oxide ceramic sheet finished product. A rubber pad and redundant green body materials are completely recycled. The specification of the large silicon oxide ceramic sheet finished product is that: the ratio of length to width to thickness is 1,500-2,200mm to 800-1,500mm to 3-6mm.

Description

technical field [0001] The invention belongs to the category of ceramic products, in particular to a method for manufacturing a silicon oxide ceramic large thin plate. The finished product is suitable for interior and exterior wall decoration. Background technique [0002] CN 1253402C discloses "Fiber Porcelain Plate and Its Forming Process and Equipment". The process is that the raw material clay with a moisture content of 15-20% is subjected to →mixing →stirring →pressure of 500-1000 tons / m 2 Extruded into a continuous plate-shaped wet clay slab → calendering → drying and firing to obtain a fiber porcelain slab mixed with inorganic mineral fibers in the clay. 8mm, which realizes the industrialization requirements of large-scale fiber-ceramic boards and greatly improves the production efficiency of fiber-ceramic boards. [0003] However, this process belongs to wet forming, the moisture content of the original blank is 15-20%, the density is low, and there are disadvantag...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/14C04B35/622
Inventor 孙守年
Owner 山东德惠来装饰瓷板有限公司