CN101665349A - Temperature resistant ceramic product - Google Patents
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- CN101665349A CN101665349A CN200910190072A CN200910190072A CN101665349A CN 101665349 A CN101665349 A CN 101665349A CN 200910190072 A CN200910190072 A CN 200910190072A CN 200910190072 A CN200910190072 A CN 200910190072A CN 101665349 A CN101665349 A CN 101665349A
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Abstract
The invention discloses a ceramic product comprising blanks as the production and making material. The blanks comprise the following chemical components by weight percent: 58-65 of SiO2, 25-32 of Al2O3, 2.0-4.0 of Fe2O3, 0.4-0.6 of CaO, 0.7-1.0 of MgO, 0.15-0.19 of Na2O, 1.5-2.5 of K2O, 0.75-0.90 of TiO2, 1.0-2.5 of Li2O, 0.001-0.005 of MnO and 0.003-0.009 of P2O5. The ceramic product has excellent heat deformation resisting performance, and the resistance to heat shocks of the ceramic product can reach above 900-1100 DEG C by detection, so that the temperature resistant ceramic product can resist violent temperature difference change without crack.
Description
Technical field
The present invention relates to the ceramic technology field, particularly relate to a kind of heatproof Boccaro ceramic ware.
Background technology
Pottery is the polycrystalline solid material that mineral compound constituted by metal and non-metallic element.The ceramic kind is a lot, and performance is different.The boccaro goods claim " boccaro ware ", " boccaro pottery " again, are a kind of ceramic products made from special potter's clay, and it can make ceramic commonly used in the various daily lifes, as being subjected to very much at present the electrothermal dark-red pottery inner bag of popular electric soup cooker, electric cooker.
The raw material of boccaro is through analysis of science, wherein contain chemical ingredientss such as silicon oxide, ferric oxide, aluminum oxide, magnesium oxide, potassium oxide, sodium oxide, the tire penus of mineral composition is in Gao Ling, quartz, mica type, suitable mineral, chemical association, particle cooperate, make the finished product water-intake rate of boccaro less than 2 percent, void content is between general pottery porcelain.
When boccaro is made pottery as the inner bag use of electric soup cooker, electric cooker, owing to have preferable ventilation property and higher physical strength, and be rich in various trace elements, its food of making has nourishing function to human body, and be widely used, but require employed electrothermal dark-red pottery material must satisfy certain heatproof anti crack performance simultaneously.Traditional purple sand material is made into teapot more and uses, and heat-resisting sex change can usually can not be satisfied above-mentioned needs.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art, provide a kind of good heat-resisting sex change energy, heat-shock resistance that has to reach 900～1100 ℃ ceramic.
For achieving the above object, the present invention has adopted following technical scheme:
The invention discloses a kind of ceramic, described Ceramic Production is made raw material and is comprised blank, and the chemical constitution of described blank comprises:
SiO
2?58％～65％，Al
2O
3?25％～32％，
Fe
2O
3?2.0％～4.0％，CaO?0.4％～0.6％，
MgO?0.7％～1.0％，Na
2O?0.15％～0.19％，
K
2O?1.5％～2.5％，TiO
2?0.7％～0.90％，
Li
2O?1.0％～2.5％，MnO?0.001％～0.005％，
P
2O
50.003～0.009%, described being weight percentage.
Preferably, the chemical constitution of described blank comprises:
SiO
2?59.5％～62.0％，Al
2O
3?25.5％～27.0％，
Fe
2O
3?2.7％～2.8％，CaO?0.475％～0.495％，
MgO?0.85％～0.90％，Na
2O?0.165％～0.175％，
K
2O?1.85％～1.90％，TiO
2?0.80％～0.83％。
Li
2O?1.5％～1.9％，MnO?0.002％～0.004％，
P
2O
5?0.004～0.008％。
In the concrete embodiment of the present invention, the raw material of described blank comprises following component:
Zhanjiang soil 3.6～4.4, grog 9～11, Henan soil 13.5～16.5, triphane 20～45, sun soil 1.8～2.2, black mud 4.5～5.5, boccaro soil 9～11, iron oxide red 0.9～1.1, talcum 0.9～1.1, sharp mountain range soil 21.5～26.5, described is weight part.
Be preferably:
Zhanjiang soil 4, grog 10, Henan soil 15, triphane 28, sun soil 2, black mud 5, boccaro soil 10, iron oxide red 1, talcum 1, sharp mountain range soil 24, described is weight part.
The raw material of manufacturing of ceramic of the present invention preferably also comprises glaze, and the chemical constitution of described glaze comprises
SiO
2?57％～65％，Al
2O
3?16％～20％，
Fe
2O
3?10％～14％，CaO?0.80％～1.5％，
MgO?2％～3％，Na
2O?1.0％～1.5％，
K
2O?1.7％～2.5％，TiO
2?0.5％～1.0％，
B
2O
30.4%～0.5%, ZnO 1.2%～1.7%, described being weight percentage.
In concrete embodiment, the raw material of described glaze comprises following component:
Grog 22～26.5 Fengcheng soil 9～11
Iron oxide red 9～11 talcums 5.5～6.5
Loess 24～30 china clay 8019～11
Frit 10～12 water glass 1.8～2.2, described is weight part.
Be preferably grog 24, Fengcheng soil 10, iron oxide red 10, talcum 6, loess 27, china clay 80110, frit 11, water glass 2, described is weight part.
Above-mentioned ceramic of the present invention is preferably Boccaro ceramic ware.
Owing to adopted above technical scheme, the beneficial effect that the present invention is possessed is:
Ceramic of the present invention, Boccaro ceramic ware particularly, has extremely excellent heat-resisting sex change energy, after testing, utilize the Boccaro ceramic ware of blank component prescription preparation of the present invention, its heat-shock resistance can reach 900～1100 ℃, thereby when using as the heating inner bag of electric soup cooker, electric cooker, can resist violent difference variation and can not occur breaking.
Embodiment
The invention discloses a kind of ceramic, particularly a kind of heat-proof purple sand ceramic goods, its heat-shock resistance can reach 900～1100 ℃, is excellent electric soup cooker, the heating liner material of electric cooker.Heat-proof purple sand ceramic production of articles of the present invention is made raw material and is comprised blank, and the chemical constitution of this blank comprises:
SiO
2?58％～65％，Al
2O
3?25％～32％，
Fe
2O
3?2.0％～4.0％，CaO?0.4％～0.6％，
MgO?0.7％～1.0％，Na
2O?0.15％～0.19％，
K
2O?1.5％～2.5％，TiO
2?0.7％～0.90％，
Li
2O?1.0％～2.5％，MnO?0.001％～0.005％，
P
2O
50.003～0.009%, described being weight percentage.
Preferably, the chemical constitution of described blank comprises:
SiO
2?59.5％～62.0％，Al
2O
3?25.5％～27.0％，
Fe
2O
3?2.7％～2.8％，CaO?0.475％～0.495％，
MgO?0.85％～0.90％，Na
2O?0.165％～0.175％，
K
2O?1.85％～1.90％，TiO
2?0.80％～0.83％。
Li
2O?1.5％～1.9％，MnO?0.002％～0.004％，
P
2O
5?0.004～0.008％。
In the concrete embodiment of the present invention, blank can adopt following raw materials according to press described mixed preparation:
Zhanjiang soil 3.6～4.4, grog 9～11, Henan soil 13.5～16.5, triphane 20～45, sun soil 1.8～2.2, black mud 4.5～5.5, boccaro soil 9～11, iron oxide red 0.9～1.1, talcum 0.9～1.1, sharp mountain range soil 21.5～26.5, described is weight part.Be preferably: Zhanjiang soil 4, grog 10, Henan soil 15, triphane 28, sun soil 2, black mud 5, boccaro soil 10, iron oxide red 1, talcum 1, sharp mountain range soil 24, described is weight part.
Above-mentioned Boccaro ceramic ware can also comprise glaze, and the chemical constitution of glaze comprises
SiO
2?57％～65％，Al
2O
3?16％～20％，
Fe
2O
3?10％～14％，CaO?0.80％～1.5％，
MgO?2％～3％，Na
2O?1.0％～1.5％，
K
2O?1.7％～2.5％，TiO
2?0.5％～1.0％，
B
2O
30.4%～0.5%, ZnO 1.2%～1.7%, described being weight percentage.
The raw material of glaze can comprise following component:
Grog 22～26.5 Fengcheng soil 9～11
Iron oxide red 9～11 talcums 5.5～6.5
Loess 24～30 china clay 8019～11
Frit 10～12 water glass 1.8～2.2, described is weight part.
Be preferably grog 24, Fengcheng soil 10, iron oxide red 10, talcum 6, loess 27, china clay 801 10, frit 11, water glass 2, described is weight part.
In the above-mentioned raw materials, the chemical constitution of described Zhanjiang soil comprises:
SiO
2?58％～65％，Al
2O
3?28％～35％，
Fe
2O
3?1.2％～1.5％，CaO?0.23％～0.28％，
MgO?0.95％～1.15％，Na
2O?0.28％～0.34％，
K
2O?3.6％～4.4％，TiO
2?0.68％～0.83％；
Grog is meant that clay or other raw materials are ground into the powder material that certain granules is formed after high-temperature calcination, such as waste ceramic vessel, useless refractory brick, barren rock English calcining goods, haydite etc.Use grog, both can reduce the plasticity-of admixtion, can reduce base substrate again in contraction dry and when burning till.Used grog among the present invention, its chemical constitution comprises:
SiO
2?63％～71％，Al
2O
3?23％～31％，
Fe
2O
3?2.5％～3.0％，CaO?0.5％～0.8％，
MgO?1.0％～2.0％，Na
2O?0.2％～0.3％，
K
2O?0.15％～0.19％，TiO
2?0.045％～0.055％；
The chemical constitution of described Henan soil comprises:
SiO
2?33％～40％，Al
2O
3?42％～51％，
Fe
2O
3?0.18％～0.22％，CaO?0.84％～1.03％，
MgO?0.18％～0.22％，K
2O?3.0％～3.7％，
TiO
2?1.9％～2.3％；
The chemical constitution of described triphane comprises:
SiO
2?66％～71％，Al
2O
3?21％～25％，
Fe
2O
3?0.72％～0.88％，CaO?0.2％～0.3％，
Na
2O?0.2％～0.3％，K
2O?0.27％～0.33％，
TiO
2?0.09％～0.11％，Li
2O?5.4％～8％；
The chemical constitution of described sun soil comprises:
SiO
2?50％～63％，Al
2O
3?1.1％～1.5％，
Fe
2O
3?1.0％～1.4％，CaO?2.9％～3.6％，
MgO?4.3％～5.5％，Na
2O?0.24％～0.30％，
K
2O?0.30％～0.36％，TiO
2?0.36％～0.44％；
The chemical constitution of described black mud comprises:
SiO
2?52％～63％，Al
2O
3?30％～39％，
Fe
2O
3?2.5％～3.5％，CaO?0.4％～0.5％，
MgO?0.6％～0.75％，Na
2O?0.29％～0.35％，
K
2O?2％～3％，TiO
2?1.17％～1.43％；
The chemical constitution of described boccaro soil comprises:
SiO
2?65％～71％，Al
2O
3?18％～24％，
Fe
2O
3?2.0％～5.0％，CaO?0.018％～0.022％，
MgO?1.32％～1.61％，Na
2O?0.12％～0.14％，
K
2O?3.5％～4.5％，TiO
2?0.80％～1.05％；
The chemical constitution of described iron oxide red comprises Fe
2O
390%～95%;
Described steatitic chemical constitution comprises:
SiO
2?53％～62％，Al
2O
3?0.7％～1.0％，
Fe
2O
3?0.13％～0.15％，CaO?7％～9％，
MgO?27％～36％，Na
2O?0.5％～0.8％，
K
2O?0.12％～0.14％，TiO
2?0.09％～0.11％；
The chemical constitution of described sharp mountain range soil comprises:
SiO
2?66％～75％，Al
2O
3?19％～26％，
Fe
2O
3?2.0％～3.0％，CaO?0.09％～0.11％，
MgO?0.45％～0.56％，Na
2O?0.09％～0.11％，
K
2O?2.0％～3.0％，TiO
2?1.0％～1.5％。
The chemical constitution of described Fengcheng soil comprises:
SiO
2?71％～79％，Al
2O
3?18％～25％，
Fe
2O
3?0.5％～1.0％，CaO?0.05％～0.12％，
MgO?0.5％～0.75％，Na
2O?0.04％～0.10％，
K
2O?1.5％～2.5％；
The chemical constitution of described loess comprises:
SiO
2?64％～72％，Al
2O
3?19％～26％，
Fe
2O
3?4.5％～6.0％，CaO?0.09％～0.11％，
MgO?0.7％～0.86％，Na
2O?0.045％～0.055％，
K
2O?1.4％～2.0％，TiO
2?1.2％～1.8％；
The chemical constitution of described china clay 801 comprises:
SiO
2?65％～71％，Al
2O
3?16％～22％，
Fe
2O
3?0.08％～0.12％，CaO?1.5％～2.0％，
MgO?0.02％～0.06％，Na
2O?2％～5％，
K
2O?2％～5％，TiO
2?0.02％～0.06％；
The chemical constitution of described frit comprises:
SiO
2?57％～66％，Al
2O
3?7.0％～9.2％，
Fe
2O
3?0.36％～0.44％，CaO?0.9％～1.2％，
MgO?1.7％～2.2％，Na
2O?3.9％～4.9％，
K
2O?3.9％～4.9％，TiO
2?0.045％～0.055％；
B
2O
3?4.1％～5.1％，ZnO?12％～18％；
The chemical constitution of described water glass comprises:
SiO
2?24％～30％，Na
2O?10％～13％。
Used in embodiments of the present invention above-mentioned raw materials, it has chemical ingredients as shown in the table respectively:
Above-mentioned raw materials by described mixed, levigate after, can make blank and/or the glaze that obtains ceramic of the present invention according to this area ordinary method.
Such as, can adopt following technology to be prepared blank:
Blank feed proportioning → ball milling → stirring sieves → press filtration → old → vacuum refining mud → pressed compact moulding, the demoulding → repaired biscuit → oven dry → glazing (if desired) → burn till
For another example, can adopt following prepared glaze:
Glaze feed proportioning → ball milling → stirring is sieved → old → accent glaze
Have ceramic, particularly Boccaro ceramic ware that blank of the present invention is formed, have good thermal stability, heat-shock resistance can reach about 900～1100 ℃.Wherein, the Si in ceramic batch
2O, Al
2O
3Content when high more, the heat resistance of ceramic is strong more; And MgO content is relevant with blank viscosity.According to national standard " domestic ceramics device heat-shock resistance measuring method " GB/T 3298-2008, and two standards of light industry standard " conventional ceramic cooking device " QB/T 2579-2002 are carried out the test of heat-shock resistance (original claim " thermostability "), in 900～1100 ℃ of temperature ranges, detect by above-mentioned test, the result can reach design requirements, fracture phenomena do not occur.
And the use of glaze can make ceramic surface become moist, has self-cleaning function and antifouling property, can save water for cleaning in a large number.
Below by specific embodiment the present invention is done further detailed description.
Embodiment 1
The formulation blank of according to the form below 1, the numeric representation weight part in the table:
Adopt the formulation blank of table 1:
Calculate the proportional quantity of actual materials according to the water ratio of raw material, confected materials was dropped into the ball mill ball milling 7～8 hours, put in the stock tank and fully stir, again slurry was drawn up 80～120 eye mesh screens, squeeze into the base pug through the material behind the screen cloth, after the base pug carried out old 72 hours, carry out refining just by vacuum pugmill, the refining two procedures is made boundary's mud bar, boundary's mud bar (piece) is put into the harder mould carry out the pressed compact moulding, place together with mould behind the pressed compact, come off by special-shaped disc, press the dimensional requirement repaired biscuit then, and dry, send into the kiln Low fire ceramic at last.
The above-mentioned boccaro courage for preparing according to national standard " domestic ceramics device heat-shock resistance measuring method " GB/T 3298-2008, is reached the test that two standards of light industry standard " conventional ceramic cooking device " QB/T 2579-2002 are carried out heat-shock resistance (original claim " thermostability ").The testing experiment method comprises: container (being the above-mentioned boccaro courage for preparing) is placed in the baking oven, make the baking oven energising be warming up to specified temperature, keep 30min then, container is taken out from baking oven, put into rapidly along vessel port plane and horizontal plane direction at 45 in 20 ℃ ± 2 ℃ the cold water, up to vessel temp and water temperature balance, check then whether container has fracture phenomena.
In the present embodiment, oven temperature is set to 900 ℃, check result container crack-free.
Embodiment 2
According to the formulation blank of table 1 among the embodiment 1, the formulation glaze of while according to the form below 2, the numeric representation weight part in the table.
The production technique brief description of blank:
Calculate the proportional quantity of actual materials according to the water ratio of raw material, confected materials was dropped into the ball mill ball milling 7～8 hours, put in the stock tank and fully stir, again slurry was drawn up 80～120 eye mesh screens, squeeze into the base pug through the material behind the screen cloth, after the base pug carried out old 72 hours, carry out refining just by vacuum pugmill, the refining two procedures is made boundary's mud bar, boundary's mud bar (piece) is put into the harder mould carry out the pressed compact moulding, place together with mould behind the pressed compact, come off by special-shaped disc,, and dry then by the dimensional requirement repaired biscuit, can glazing after the oven dry, send into the kiln Low fire ceramic at last.
The production technique brief description of glaze: the proportional quantity that calculates actual materials according to the water ratio of raw material, confected materials was dropped into the ball mill ball milling 80～96 hours, put in the stock tank and fully stir, again slurry was drawn up 80～120 eye mesh screens, after slurry behind the process screen cloth carries out old 72 hours, the glaze slip that does not precipitate is crossed 250 orders be delivered to other containers store (glaze is thin more good more), and, can throw in use after being fit to glaze concentration, mixing color with upper screen cloth.
According to the identical detection method of embodiment 1, oven temperature is set at 1000 ℃, the check result container meets the requirements, crack-free.
Embodiment 3
The formulation blank of according to the form below 3, the numeric representation weight part in the table:
The formulation glaze of according to the form below 4, the numeric representation weight part in the table.
Prepare boccaro electric soup cooker inner bag according to embodiment 2 identical production technique, and press the identical detection method of embodiment 1, oven temperature is set at 950 ℃, the check result container meets the requirements, crack-free.
Embodiment 4
The formulation blank of according to the form below 5, the numeric representation weight part in the table:
The formulation glaze of according to the form below 6, the numeric representation weight part in the table.
Prepare boccaro electric soup cooker inner bag according to embodiment 2 identical production technique, and the identical detection method of embodiment 1, oven temperature is set at 1100 ℃, the check result container meets the requirements, crack-free.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (9)
1. ceramic, described Ceramic Production are made raw material and are comprised blank, it is characterized in that the chemical constitution of described blank comprises:
SiO
2 58％～65％， Al
2O
3 25％～32％，
Fe
2O
3 2.0％～4.0％，CaO 0.4％～0.6％，
MgO 0.7％～1.0％，Na
2O 0.15％～0.19％，
K
2O 1.5％～2.5％，TiO
2 0.7％～0.90％，
Li
2O 1.0％～2.5％，MnO 0.001％～0.005％，
P
2O
50.003～0.009%, described being weight percentage.
2, a kind of ceramic according to claim 1, it is characterized in that: the chemical constitution of described blank comprises:
SiO
2 59.5％～62.0％，Al
2O
3 25.5％～27.0％，
Fe
2O
3?2.7％～2.8％， CaO 0.475％～0.495％，
MgO 0.85％～0.90％，Na
2O 0.165％～0.175％，
K
2O 1.85％～1.90％，TiO
2 0.80％～0.83％。
Li
2O 1.5％～1.9％， MnO 0.002％～0.004％，
P
2O
5 0.004～0.008％。
3, a kind of ceramic according to claim 1 and 2, it is characterized in that: the raw material of described blank comprises following component:
Zhanjiang soil 3.6～4.4, grog 9～11, Henan soil 13.5～16.5, triphane 20～45, sun soil 1.8～2.2, black mud 4.5～5.5, boccaro soil 9～11, iron oxide red 0.9～1.1, talcum 0.9～1.1, sharp mountain range soil 21.5～26.5, described is weight part.
4, a kind of ceramic according to claim 3, it is characterized in that: the raw material of described blank comprises following component:
Zhanjiang soil 4, grog 10, Henan soil 15, triphane 28, sun soil 2, black mud 5, boccaro soil 10, iron oxide red 1, talcum 1, sharp mountain range soil 24, described is weight part.
5, according to claim 3 or 4 described a kind of ceramics, it is characterized in that:
The chemical constitution of described Zhanjiang soil comprises:
SiO
2 58％～65％，Al
2O
3 28％～35％，
Fe
2O
3?1.2％～1.5％，?CaO 0.23％～0.28％，
MgO 0.95％～1.15％，Na
2O 0.28％～0.34％，
K
2O 3.6％～4.4％， TiO
2 0.68％～0.83％；
The chemical constitution of described grog comprises:
SiO
2 63％～71％， Al
2O
3 23％～31％，
Fe
2O
3?2.5％～3.0％， CaO 0.5％～0.8％，
MgO 1.0％～2.0％， Na
2O 0.2％～0.3％，
K
2O 0.15％～0.19％，TiO
2 0.045％～0.055％；
The chemical constitution of described Henan soil comprises:
SiO
2 33％～40％， Al
2O
3 42％～51％，
Fe
2O
3?0.18％～0.22％，CaO 0.84％～1.03％，
MgO 0.18％～0.22％，K
2O 3.0％～3.7％，
TiO
2 1.9％～2.3％；
The chemical constitution of described triphane comprises:
SiO
2 66％～71％， Al
2O
3 21％～25％，
Fe
2O
3?0.72％～0.88％，CaO 0.2％～0.3％，
Na
2O 0.2％～0.3％， K
2O 0.27％～0.33％，
TiO
2 0.09％～0.11％，Li
2O 5.4％～8％；
The chemical constitution of described sun soil comprises:
SiO
2 50％～63％， Al
2O
3 1.1％～1.5％，
Fe
2O
3 1.0％～1.4％， CaO 2.9％～3.6％，
MgO 4.3％～5.5％， Na
2O 0.24％～0.30％，
K
2O 0.30％～0.36％，TiO
2 0.36％～0.44％；
The chemical constitution of described black mud comprises:
SiO
2 52％～63％， Al
2O
3 30％～39％，
Fe
2O
3 2.5％～3.5％，?CaO 0.4％～0.5％，
MgO 0.6％～0.75％，Na
2O 0.29％～0.35％，
K
2O 2％～3％， TiO
2 1.17％～1.43％；
The chemical constitution of described boccaro soil comprises:
SiO
2 65％～71％， Al
2O
3?18％～24％，
Fe
2O
3?2.0％～5.0％， CaO 0.018％～0.022％，
MgO 1.32％～1.61％，Na
2O 0.12％～0.14％，
K
2O 3.5％～4.5％， TiO
2 0.80％～1.05％；
The chemical constitution of described iron oxide red comprises Fe
2O
390%～95%;
Described steatitic chemical constitution comprises:
SiO
2 53％～62％， Al
2O
3 0.7％～1.0％，
Fe
2O
3?0.13％～0.15％，CaO 7％～9％，
MgO 27％～36％， Na
2O 0.5％～0.8％，
K
2O 0.12％～0.14％，TiO
2 0.09％～0.11％；
The chemical constitution of described sharp mountain range soil comprises:
SiO
2 66％～75％， Al
2O
3?19％～26％，
Fe
2O
3?2.0％～3.0％， CaO 0.09％～0.11％，
MgO 0.45％～0.56％，Na
2O 0.09％～0.11％，
K
2O 2.0％～3.0％， TiO
2 1.0％～1.5％。
6, according to any described a kind of ceramic of claim 1～5, it is characterized in that: the raw material of manufacturing of described ceramic also comprises glaze, and the chemical constitution of described glaze comprises
SiO
2 57％～65％， Al
2O
3?16％～20％，
Fe
2O
3?10％～14％， CaO 0.8％～1.5％，
MgO 2％～3％， Na
2O 1.0％～1.5％，
K
2O 1.7％～2.5％，TiO
2 0.5％～1.0％，
B
2O
30.4%～0.5%, ZnO 1.2%～1.7%, described being weight percentage.
7, a kind of ceramic according to claim 6, it is characterized in that: the raw material of described glaze comprises following component:
Grog 22～26.5 Fengcheng soil 9～11
Iron oxide red 9～11 talcums 5.5～6.5
Loess 24～30 china clay 8019～11
Frit 10～12 water glass 1.8～2.2, described is weight part.
8, a kind of ceramic according to claim 7 is characterized in that:
The chemical constitution of described Fengcheng soil comprises:
SiO
2 71％～79％， Al
2O
3 18％～25％，
Fe
2O
3?0.5％～1.0％，?CaO 0.05％～0.12％，
MgO 0.5％～0.75％，Na
2O 0.04％～0.10％，
K
2O 1.5％～2.5％；
The chemical constitution of described loess comprises:
SiO
2 64％～72％， Al
2O
3 19％～26％，
Fe
2O
3?4.5％～6.0％，?CaO 0.09％～0.11％，
MgO 0.7％～0.86％，Na
2O 0.045％～0.055％，
K
2O 1.4％～2.0％，?TiO
2 1.2％～1.8％；
The chemical constitution of described china clay 801 comprises:
SiO
2 65％～71％， Al
2O
3 16％～22％，
Fe
2O
3?0.08％～0.12％，CaO 1.5％～2.0％，
MgO 0.02％～0.06％，Na
2O 2％～5％，
K
2O 2％～5％， TiO
2 0.02％～0.06％；
The chemical constitution of described frit comprises:
SiO
2 57％～66％， Al
2O
3 7.0％～9.2％，
Fe
2O
3?0.36％～0.44％，CaO 0.9％～1.2％，
MgO 1.7％～2.2％， Na
2O 3.9％～4.9％，
K
2O 3.9％～4.9％， TiO
2 0.045％～0.055％；
B
2O
3 4.1％～5.1％， ZnO 12％～18％；
The chemical constitution of described water glass comprises: SiO
224%～30%, Na
2O 10%～13%.
9, according to any described ceramic of claim 1～8, it is characterized in that: described ceramic is a Boccaro ceramic ware.
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| CN102001864A (en) * | 2010-12-04 | 2011-04-06 | 黄俊杰 | Heat-resistant porcelain glaze |
| CN102153336A (en) * | 2010-12-04 | 2011-08-17 | 黄俊杰 | Heat-resistant porcelain clay for manufacturing porcelain product and heat-resistant porcelain made from same |
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| CN102295452A (en) * | 2011-06-08 | 2011-12-28 | 湖南溆浦县国泰瓷业有限公司 | Method for enhancing thermal shock resistance of purple sand vessel |
| CN102920260A (en) * | 2011-08-08 | 2013-02-13 | 林杰贤 | Inner container of healthcare insulation cup and manufacturing method of inner container |
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