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Ceramic sanitary ceramic green body and preparation method thereof

A technology of sanitary ceramics and body, applied in the field of ceramic sanitary ceramic body and its preparation, can solve problems such as limited use, environmental problems, insufficient strength, etc., reduce deformation, improve pass rate and manufacturing precision, and improve firing rate. into the effect of flexural strength

Active Publication Date: 2019-01-29
厦门佳浴智能卫浴有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Compared with porcelain sanitary ceramics, the deformation of ceramic sanitary ceramics has been improved, but the strength is not enough, which limits its use
In addition, Fujian is rich in ceramics and minerals, and a large amount of blast furnace slag and ceramic waste powder will be produced in the production process. These waste materials are difficult to digest in the natural environment, and improper treatment will cause serious environmental problems. It is very important to improve the green body formulation of the deformation degree of sanitary ceramics while recycling waste materials

Method used

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  • Ceramic sanitary ceramic green body and preparation method thereof
  • Ceramic sanitary ceramic green body and preparation method thereof

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preparation example Construction

[0040] Another aspect of the present invention provides a method for preparing the ceramic sanitary ceramic body, comprising the following steps:

[0041] (1) Making mud: Weigh the raw materials of each billet according to the above formula, add boron nitride micropowder in the formula, add water glass as a debonding agent, add water and mix, stir evenly and use ball milling, after sieving and iron removal Prepared as slurry for grouting;

[0042] (2) Squeeze the mud: inject the mud into the gypsum mold to press the mud;

[0043] (3) Drying: dry the mud base after stripping to obtain the initial base;

[0044] (4) Firing: firing the blank in the kiln.

[0045] In a specific embodiment, the performance requirements of the mud: mud concentration 346~370g / 200ml, 350 mesh sieve residue is 6%~10%, particle size (0 50~60s, V 30 110~130s, slurry suction speed 5~7mm / 45min.

[0046] In a specific embodiment, the drying method is: firstly drying at 25-50° C. for 12 hours, and then...

Embodiment 1

[0050] The ceramic green body provided in this embodiment includes a blank and auxiliary agents, and the blank includes the following components in weight percentage: 20% of southern black mud, 8% of southern kaolin, 11% of waste porcelain powder, 8% of blast furnace slag, and 15% of southern pyrophyllite , 3% talc, 10% calcined kaolin, 5% dolomite, 15% quartz and 5% wollastonite; the auxiliary agent is boron nitride micropowder, and its usage is 0.5% of the mass of the billet.

[0051] The chemical composition of the ceramic blank is SiO 2 59.4%, Al 2 o 3 20.2%, Fe 2 o 3 1.2%, TiO 2 0.26%, CaO 6.8%, MgO 3.2%, K 2 O 1.1%, Na 2 O 0.2% and loss on ignition 7.27%.

[0052] The preparation method of above-mentioned ceramic green body is as follows:

[0053] (1) Make mud: weigh each blank according to the above formula, add boron nitride micropowder in the formula, add water glass as a debonding agent, add water, stir in a mixer and put it into a ball mill for ball mill...

Embodiment 2

[0057] The ceramic green body provided in this embodiment includes a blank and auxiliary agents, and the blank includes the following components in weight percentage: 10% of southern black mud, 5% of southern kaolin, 8% of waste porcelain powder, 10% of blast furnace slag, and 20% of southern pyrophyllite , 5% talc, 15% calcined kaolin, 1% dolomite, 20% quartz and 6% wollastonite; the auxiliary agent is boron nitride powder, and its usage is 0.2% of the mass of the billet.

[0058] The chemical composition of the ceramic blank is SiO 2 63.9%, Al 2 o 3 19.4%, Fe 2 o 3 0.97%, TiO 2 0.21%, CaO 6.74%, MgO 3.20%, K 2 O 0.92%, Na 2 O 0.19% and loss on ignition 4.13%.

[0059] The preparation method of above-mentioned ceramic green body is as follows:

[0060] (1) Make mud: weigh each blank according to the above formula, add boron nitride micro-powder in the formula, add water glass as a debonding agent, add water, stir in a mixer and then put it into a ball mill for ball...

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Abstract

The invention relates to a ceramic sanitary ceramic green body and a preparation method thereof, and belongs to the technical field of ceramic preparation. The preparation raw materials of the ceramicsanitary ceramic green body comprise a green body material and an auxiliary agent, wherein the green body material comprises, by weight, 10%-30% of a southern black mud, 5%-10% of a southern kaolin,8%-14% of a waste ceramic powder, 5%-12% of a blast furnace slag, 10%-20% of a southern pyrophyllite, 1%-5% of talc, 5%-10% of calcined kaolin, 1%-5% of dolomite, 15%-20% of quartz and 4%-6% of wollastonite; and the auxiliary agent is boron nitride micro-powder, and the usage amount of the auxiliary agent is 0.1%-0.5% of the green body material mass. The blast furnace slag and the ceramic waste powder are introduced as raw materials of the ceramic green body, southern raw materials are added, and boron nitride micro-powder is added as the firing auxiliary agent, so that the blast furnace slagand the ceramic waste powder can be subjected to resource utilization, and firing flexural strength of a product can be improved.

Description

technical field [0001] The invention relates to the technical field of ceramic preparation, and relates to a ceramic sanitary ceramic body and a preparation method thereof. Background technique [0002] According to the national standard GB6952-2015, the water absorption rate E≤0.5% is porcelain sanitary ceramics, and the water absorption rate 0.5%<E≤15.0% is stoneware sanitary ceramics. Stoneware sanitary ceramics and ceramic sanitary ceramics are collectively referred to as stoneware sanitary ceramics. ceramics. According to the national standard GB6952-2005, the water absorption rate of 8.0%<E≤15.0% is ceramic sanitary ceramics. [0003] Compared with general ceramic products, the size of sanitary ceramics is larger, and the difficulty of firing is that the larger the size, the easier it is to deform during firing. The reason for the deformation is that the glass phase produced in the ceramic body during high-temperature firing Softens rapidly, and the product ben...

Claims

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Application Information

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IPC IPC(8): C04B33/132C04B33/138
CPCC04B33/1324C04B33/138C04B2235/321C04B2235/3418C04B2235/3454C04B2235/386C04B2235/656C04B2235/6583Y02P40/60
Inventor 李小满
Owner 厦门佳浴智能卫浴有限公司
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