CN108947510A - A kind of household porcelain production saggar and preparation method thereof - Google Patents
A kind of household porcelain production saggar and preparation method thereof Download PDFInfo
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- CN108947510A CN108947510A CN201811004630.0A CN201811004630A CN108947510A CN 108947510 A CN108947510 A CN 108947510A CN 201811004630 A CN201811004630 A CN 201811004630A CN 108947510 A CN108947510 A CN 108947510A
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/16—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay
- C04B35/18—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay rich in aluminium oxide
- C04B35/185—Mullite 3Al2O3-2SiO2
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3427—Silicates other than clay, e.g. water glass
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/422—Carbon
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/448—Sulphates or sulphites
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
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Abstract
The present invention provides a kind of household porcelain production saggar and preparation method thereof, and the saggar contains following content of component: 40-60 parts of mullite, 0-20 parts of silica 1,5-15 parts of magnesia, 5-10 parts of aluminium oxide, 10-20 parts of bamboo charcoal powder, 4-8 parts of alum, 0.5-1 parts of sodium metasilicate, 6-12 parts of talcum powder, 3-7 parts of grapevine powder, 2-5 parts of wax emulsion.Simple production process of the invention, the proportion that the present invention passes through each component, so that the thermal expansion coefficient of the saggar of preparation becomes smaller, it is not susceptible to deform in high-temperature sintering process, it is durable, the recycling number of saggar is increased, the service life of saggar is extended, the sintering cost for reducing ceramic matrix has many advantages, such as that intensity is high, heat-resist, resistance to corrosion is strong.
Description
Technical field
The invention belongs to ceramic fields, specifically provide a kind of household porcelain production saggar and preparation method thereof.
Background technique
Saggar is one of kiln furnitures, during firing ceramics device, to prevent gas and harmful substance from breaking to green body, glaze paint
It badly and is stained, ware and green body is placed in container made of refractory material and roasted, this container claims saggar, also known as casket
Dress burning amount not only can be improved, product will not bond, improve yield rate using saggar firing ceramics device in son, but also saggar also has
Certain thermal conductivity and thermal stability, it is ensured that ceramic mass, the shape of saggar is different according to implements shape, in modern ceramics
It plays in production in important role.
However existing Production of Ceramics is with saggar that there is some shortcomingss in use, it can not for flare
The phenomenon that playing the role of water conservancy diversion and dispersion, being easy to happen hot-spot reduces the firing quality of ceramics.It generallys use at present
Be all corundum-mullite saggar, but due to the select permeability of raw material, cause the service life of product lower and stability
Difference, craze and transfiguration, high temperature break resistant intensity is inadequate, while phenomenon of rupture occurs.
Summary of the invention
The purpose of the present invention is to provide a kind of household porcelain production saggars and preparation method thereof, solve Production of Ceramics
With saggar, there is some shortcomingss in use, can not play the role of water conservancy diversion and dispersion for flare, are easy
There is a phenomenon where hot-spot, the firing quality of ceramics is reduced, while saggar service life itself is lower and stability is poor etc.
Problem.
To achieve the above object, the present invention adopts the following technical scheme: a kind of household porcelain production saggar, include with
Lower content of component: 40-60 parts of mullite, 0-20 parts of silica 1,5-15 parts of magnesia, 5-10 parts of aluminium oxide, bamboo charcoal powder
10-20 parts, 4-8 parts of alum, 0.5-1 parts of sodium metasilicate, 6-12 parts of talcum powder, 3-7 parts of grapevine powder, 2-5 parts of wax emulsion.
Preferably, the saggar includes following content of component: 50 parts of mullite, 2 parts of silica 1, magnesia
10 parts, 8 parts of aluminium oxide, 15 parts of bamboo charcoal powder, 6 parts of alum, 0.8 part of sodium metasilicate, 10 parts of talcum powder, 5 parts of grapevine powder, wax emulsion
3 parts.
Preferably, the powder particle size of the mullite is 2-3mm.
A kind of household porcelain production saggar, includes the following steps:
(1) each raw material component is mixed in proportion, adds water by 10% weight of mixture total mass, stirs evenly, obtain mud;
(2) it forms: the mud that step (1) obtains is made to the saggar base of various sizes regulation using roller head machine;
(3) be burnt into: 1310 degree of the saggar base firing temperature that step (2) is obtained, firing period 26 hours, obtain saggar partly at
Product;
(4) the saggar semi-finished product that step (3) obtains polished, polished, obtain saggar finished product.
The present invention has the advantages that bamboo charcoal has loose porous structure, molecule is fine and closely woven porous, and quality is hard, can be with
It effectively increases adsorptivity between saggar raw material and leads ductility, increase the attachment dynamics of saggar raw material, saggar is effectively prevent to fire
It is cracked in the process, wearability enhancing;Furthermore toxic, pernicious gas in air can be absorbed in bamboo charcoal powder, and contains in itself
There is polyphenols, the pernicious gas after absorption can be aoxidized, be decomposed, purified the air of a room.Bamboo charcoal powder and talcum powder, grapevine
Powder, wax emulsion etc., which are used in conjunction with each other, significantly reduces the loosely organized problem of saggar, so that saggar internal porosity is evenly distributed, makes
Its is durable, avoids the product mechanical strength of firing low.
Simple production process of the present invention, technical process is nontoxic and pollution-free, and cost of material is low, and microstructure crystal grain is tiny, gas
The compressive resistance of pore size distribution homogeneous product is high, by the way that bamboo charcoal powder, alum, sodium metasilicate, talcum powder, grapevine powder, wax cream is added
The interaction of the ingredients such as liquid and other mullites, saggar obtained have low temperature resistant anti-ultraviolet property good, and intensity is high, heat resistance
It is the advantages that good, durable.Using the height of ceramic product quality made from saggar of the present invention, greatly the service life of ceramics, promotees
Into the development prospect of ceramics.
Specific embodiment
Embodiment 1: a kind of household porcelain production saggar includes following content of component: 50 parts of mullite, titanium dioxide
12 parts of silicon, 10 parts of magnesia, 8 parts of aluminium oxide, 15 parts of bamboo charcoal powder, 6 parts of alum, 0.8 part of sodium metasilicate, 10 parts of talcum powder, grape
5 parts of rattan powder, 3 parts of wax emulsion.
The preparation method of the household porcelain production saggar, includes the following steps:
(1) each raw material component is mixed in proportion, adds water by 10% weight of mixture total mass, stirs evenly, obtain mud;
(2) it forms: the mud that step (1) obtains is made to the saggar base of various sizes regulation using roller head machine;
(3) be burnt into: 1310 degree of the saggar base firing temperature that step (2) is obtained, firing period 26 hours, obtain saggar partly at
Product;
(4) the saggar semi-finished product that step (3) obtains polished, polished, obtain saggar finished product.
Embodiment 2: a kind of household porcelain production saggar includes following content of component: 40 parts of mullite, titanium dioxide
10 parts of silicon, 5 parts of magnesia, 5 parts of aluminium oxide, 10 parts of bamboo charcoal powder, 4 parts of alum, 0.5 part of sodium metasilicate, 6 parts of talcum powder, grapevine
3 parts of powder, 2 parts of wax emulsion.
The preparation method of the household porcelain production saggar, includes the following steps:
(1) each raw material component is mixed in proportion, adds water by 10% weight of mixture total mass, stirs evenly, obtain mud;
(2) it forms: the mud that step (1) obtains is made to the saggar base of various sizes regulation using roller head machine;
(3) be burnt into: 1310 degree of the saggar base firing temperature that step (2) is obtained, firing period 26 hours, obtain saggar partly at
Product;
(4) the saggar semi-finished product that step (3) obtains polished, polished, obtain saggar finished product.
Embodiment 3: a kind of household porcelain production saggar includes following content of component: 60 parts of mullite, titanium dioxide
20 parts of silicon, 15 parts of magnesia, 10 parts of aluminium oxide, 20 parts of bamboo charcoal powder, 8 parts of alum, 1 part of sodium metasilicate, 12 parts of talcum powder, grapevine
7 parts of powder, 5 parts of wax emulsion.
The preparation method of the household porcelain production saggar, includes the following steps:
(1) each raw material component is mixed in proportion, adds water by 10% weight of mixture total mass, stirs evenly, obtain mud;
(2) it forms: the mud that step (1) obtains is made to the saggar base of various sizes regulation using roller head machine;
(3) be burnt into: 1310 degree of the saggar base firing temperature that step (2) is obtained, firing period 26 hours, obtain saggar partly at
Product;
(4) the saggar semi-finished product that step (3) obtains polished, polished, obtain saggar finished product.
Comparative example 1: the difference of itself and embodiment 1 has been free from bamboo charcoal powder, grapevine powder.
It is tested by using national standard method, as can be seen from Table 1, saggar superior performance prepared by the present invention.
The foregoing is merely presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with
Modification, is all covered by the present invention.
Claims (4)
1. a kind of household porcelain production saggar, which is characterized in that include following content of component: 40-60 parts of mullite, two
10-20 parts of silica, 5-15 parts of magnesia, 5-10 parts of aluminium oxide, 10-20 parts of bamboo charcoal powder, 4-8 parts of alum, sodium metasilicate 0.5-1
Part, 6-12 parts of talcum powder, 3-7 parts of grapevine powder, 2-5 parts of wax emulsion.
2. a kind of household porcelain production saggar according to claim 1, which is characterized in that the saggar include with
Lower content of component: 50 parts of mullite, 2 parts of silica 1,10 parts of magnesia, 8 parts of aluminium oxide, 15 parts of bamboo charcoal powder, 6 parts of alum,
0.8 part of sodium metasilicate, 10 parts of talcum powder, 5 parts of grapevine powder, 3 parts of wax emulsion.
3. a kind of household porcelain production saggar according to claim 1 or 2, which is characterized in that the powder of the mullite
Last granular size is 2-3mm.
4. a kind of preparation method of household porcelain production saggar as described in claim 1, which is characterized in that including walking as follows
It is rapid:
(1) each raw material component is mixed in proportion, adds water by 10% weight of mixture total mass, stirs evenly, obtain mud;
(2) it forms: the mud that step (1) obtains is made to the saggar base of various sizes regulation using roller head machine;
(3) be burnt into: 1310 degree of the saggar base firing temperature that step (2) is obtained, firing period 26 hours, obtain saggar partly at
Product;
(4) the saggar semi-finished product that step (3) obtains polished, polished, obtain saggar finished product.
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