CN109678457A - A kind of refractory ceramics product for electromagnetic oven - Google Patents

A kind of refractory ceramics product for electromagnetic oven Download PDF

Info

Publication number
CN109678457A
CN109678457A CN201811650520.1A CN201811650520A CN109678457A CN 109678457 A CN109678457 A CN 109678457A CN 201811650520 A CN201811650520 A CN 201811650520A CN 109678457 A CN109678457 A CN 109678457A
Authority
CN
China
Prior art keywords
electromagnetic oven
refractory ceramics
product
nucleating agent
petalite
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811650520.1A
Other languages
Chinese (zh)
Inventor
资利云
袁家俭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HUNAN JIASHENG ELECTRIC CERAMIC NEW MATERIALS CO Ltd
Original Assignee
HUNAN JIASHENG ELECTRIC CERAMIC NEW MATERIALS CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HUNAN JIASHENG ELECTRIC CERAMIC NEW MATERIALS CO Ltd filed Critical HUNAN JIASHENG ELECTRIC CERAMIC NEW MATERIALS CO Ltd
Priority to CN201811650520.1A priority Critical patent/CN109678457A/en
Publication of CN109678457A publication Critical patent/CN109678457A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00Clay-wares
    • C04B33/02Preparing or treating the raw materials individually or as batches
    • C04B33/13Compounding ingredients
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00Cooking-vessels
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J36/00Parts, details or accessories of cooking-vessels
    • A47J36/02Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
    • A47J36/04Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay the materials being non-metallic
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C8/00Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3201Alkali metal oxides or oxide-forming salts thereof
    • C04B2235/3203Lithium oxide or oxide-forming salts thereof
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3206Magnesium oxides or oxide-forming salts thereof
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3231Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3232Titanium oxides or titanates, e.g. rutile or anatase
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3231Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3244Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3284Zinc oxides, zincates, cadmium oxides, cadmiates, mercury oxides, mercurates or oxide forming salts thereof
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3427Silicates other than clay, e.g. water glass
    • C04B2235/3463Alumino-silicates other than clay, e.g. mullite
    • C04B2235/3472Alkali metal alumino-silicates other than clay, e.g. spodumene, alkali feldspars such as albite or orthoclase, micas such as muscovite, zeolites such as natrolite
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3427Silicates other than clay, e.g. water glass
    • C04B2235/3463Alumino-silicates other than clay, e.g. mullite
    • C04B2235/3481Alkaline earth metal alumino-silicates other than clay, e.g. cordierite, beryl, micas such as margarite, plagioclase feldspars such as anorthite, zeolites such as chabazite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Food Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

The present invention is suitable for ceramic processing technique field, provide a kind of refractory ceramics product of electromagnetic oven, it include: ridgity material, clay and Nucleating Agent, the components by weight percent of the ridgity material, clay and Nucleating Agent is respectively 45-50%, 45-50% and 2-5%, wherein, the ridgity material includes low bulk lithium based material and low bulk magnesium based material.Wherein, ridgity material, clay improve the high temperature resistance of ceramic product; Nucleating Agent issues biochemical reaction in high temperature firing; form crystallite; ceramic product is formed and is protected, and reduces the coefficient of expansion of ceramic product, to guarantee ceramic product under the premise of resistant to high temperature; the coefficient of expansion is reduced, ceramic product swelling cracking during electromagnetic oven heating is prevented.

Description

A kind of refractory ceramics product for electromagnetic oven
Technical field
The invention belongs to field of ceramic processing more particularly to a kind of refractory ceramics products for electromagnetic oven.
Background technique
Electromagnetic oven have many advantages, such as it is easy to use, there is not open fire so that it is applied and its extensively in daily life, electricity Magnetic furnace is the principle heated using vortex induction to object heating, and the carrier media used on electromagnetic oven is in electromagnetic induction The metal material of eddy current can be generated down.
Pursuit due to present people to quality of the life, cook or Baoshang in terms of like using ceramic product.Therefore Just the ceramic products such as the ceramic pot for electromagnetic oven, ceramic pan are derived, however, in use due to electromagnetic oven, electromagnetism Furnace temperature rising is exceedingly fast, therefore ceramic product is required to be also required to be rapidly heated, to meet electromagnetic oven requirement.It is existing Ceramic product thermal shock temperature generally can only achieve 400 degrees centigrades, but generally require thermal shock temperature when using on electromagnetic oven Degree is at 600 degrees Celsius or more, so that ceramic product be made to meet the temperature requirement of electromagnetic oven.
But its higher coefficient of expansion of the resistance to thermal shock temperature of ceramic product is lower, coefficient of expansion height causes ceramic product to hold Easily there is crack problem.
Summary of the invention
The embodiment of the present invention provides a kind of refractory ceramics product for electromagnetic oven, it is intended to solve to propose in background technique The problem of.
The embodiment of the invention provides a kind of refractory ceramics product for electromagnetic oven, the refractory ceramics product packets Include: ridgity material, clay and Nucleating Agent, the components by weight percent of the ridgity material, clay and Nucleating Agent are respectively 45-50%, 45- 50% and 2-5%, wherein
The ridgity material includes low bulk lithium based material and low bulk magnesium based material.
Optionally, the Nucleating Agent includes the one or more of ZrO2, TiO2 and zinc oxide.
Optionally, the Nucleating Agent includes ZrO2, TiO2 and zinc oxide, and the quality of described ZrO2, TiO2 and zinc oxide Than for 1:1:1.
Optionally, the low bulk lithium based material includes petalite, spodumene and lithium carbonate, low bulk magnesium system material Material includes cordierite.
Optionally, the low bulk lithium based material includes petalite, spodumene, eucryptite and lithium carbonate.
Optionally, the components by weight percent of the petalite, spodumene, eucryptite, lithium carbonate and cordierite be 45-55%, 10-15%, 1-5%, 15-20% and 5-15%.
Optionally, the refractory ceramics product further includes the Low Thermal Expantion Glaze being attached on product ontology.
Optionally, the Low Thermal Expantion Glaze includes petalite, kaolin, zinc oxide, talcum, wollastonite and toner.
Optionally, the weight ratio of the petalite, kaolin, zinc oxide, talcum, wollastonite and toner is respectively as follows: 75-80%, 10-20%, 1-5%, 3-5%, 5-10% and 5-10%.
Optionally, the weight ratio of the petalite, kaolin, zinc oxide, talcum, wollastonite and toner is respectively 75%, 10%, 2%, 3%, 5% and 5%.
Advantageous effects of the invention:
Refractory ceramics product disclosed in the present application for electromagnetic oven, comprising: ridgity material, clay and Nucleating Agent, institute The components by weight percent for stating ridgity material, clay and Nucleating Agent is respectively 45-50%, 45-50% and 2-5%, wherein the ridge material Material includes low bulk lithium based material and low bulk magnesium based material.Wherein, ridgity material, clay improve the heat-resisting quantity of ceramic product Can, Nucleating Agent issues biochemical reaction in high temperature firing, forms crystallite, is formed and is protected to ceramic product, and reduces ceramic product The coefficient of expansion, thus guarantee ceramic product under the premise of resistant to high temperature, reduce the coefficient of expansion, prevent ceramic product in electromagnetic oven Swelling fracture in heating process.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to Limit the present invention.
In the prior art, it is needed and electromagnetic oven applied to the heating temperature of the ceramic product of electromagnetic oven or ceramic liner Match, that is to say, that the attainable maximum temperature of electromagnetic oven can make ceramic product be resistant to this maximum temperature.But existing ceramics In the material of product, heating temperature is higher, and the coefficient of expansion is higher, causes during heating, ceramic product expansion, to occur Crack.
The embodiment of the present application provides a kind of refractory ceramics product for electromagnetic oven, and the high temperature resistant for electromagnetic oven is made pottery Porcelain products include: ridgity material, clay and Nucleating Agent, wherein the components by weight percent of ridgity material, clay and Nucleating Agent is respectively 45-50%, 45-50% and 2-5%, wherein the ridgity material includes low bulk lithium based material and low bulk magnesium based material.
Low bulk lithium based material includes petalite, spodumene and lithium carbonate, and low bulk magnesium based material includes cordierite.Its In, petalite have the characteristics that it is corrosion-resistant, resistant to high temperature, spodumene have stablize, resistance to thermal property, the ceramics of spodumene are added Product can be heated directly on electromagnetic oven, can also be fried, be fried under various heat sources, stew, product of cooking in refrigerator cold-storage, be subjected to long-term Rapid heat cycle under the conditions of test it is still intact, have good thermal stability.Wherein, cordierite have high temperature resistant by The feature good in fire resistance, expanded by heating rate is low, lithium carbonate (lithium carbonate) be colourless monoclinic system crystal body or white powder, It processes and produces lithia in thermal histories, the low expansion of ceramic product can be improved.
Further, low bulk lithium based material includes petalite, spodumene, eucryptite and lithium carbonate, wherein eucryptite The high temperature resistance for further increasing ceramic product, the common guarantee ceramic product in conjunction with petalite, spodumene and lithium carbonate High temperature resistance.
In the specific implementation process, the components by weight percent of petalite, spodumene, eucryptite, lithium carbonate and cordierite is 45- 55%, 10-15%, 1-5%, 15-20% and 5-15%.
The weight ratio of clay needs to reach 45% or more, and ceramic product could form, but if the weight ratio of clay is super 50% is crossed, then the weight ratio of other components reduces, influences the high temperature resistance and the coefficient of expansion of ceramic product, therefore, clay Ratio is 45%-50%.
The addition of Nucleating Agent makes ceramic product issue biochemical reaction in high temperature firing, forms crystallite, and soaking time Length and oxidizing atmosphere control be suitable for decide the size of crystallization, and then can pass through control crystallization size control ceramics produce The coefficient of expansion of product.Specifically, the thermal expansion coefficient of Nucleating Agent can achieve less than or equal to 0.5 × 10-6Degree Celsius.
Seen from the above description, petalite, spodumene and lithium carbonate increase the heat-resisting quantity and stabilization of ceramic product Property, Nucleating Agent reduces the coefficient of expansion of ceramic product, thus reduce ceramic product by the coefficient of expansion under the premise of resistant to high temperature, It prevents ceramic product from expanding at high temperature, increases the stability of ceramic product.
Nucleating Agent includes ZrO2、TiO2It is one or more with zinc oxide, it is preferred that Nucleating Agent includes ZrO2、 TiO2With Zinc oxide, and the ZrO2、TiO2Mass ratio with zinc oxide is 1:1:1.
ZrO2Property with high-melting-point, high resistivity, high refractive index and low thermal coefficient of expansion is monoclinic crystal when low temperature System, in 1100 DEG C of tetragonal structures formed above, in 1900 DEG C of cubics formed above, wherein thermal expansion coefficient be 10.3 × 10-6/℃。TiO2Adhesion strength is strong, fusing point is high, has been not easy chemical change, can be improved the heat resistance of ceramic product, and zinc oxide is A kind of oxide of zinc, is insoluble in water, forms crystallite in the case that meeting is with heating temperature during making ceramic product, To improve the low expansion character of ceramic product.
ZrO2、TiO2Mass ratio with zinc oxide is 1:1:1, it is ensured that the crystal size formed in sintering procedure, it is full Sufficient ceramic product tolerance can guarantee the thermal expansion coefficient of ceramic product by the temperature of electromagnetic oven heating, prevent ceramic product Expansion.
In addition, the refractory ceramics product for electromagnetic oven further includes the Low Thermal Expantion Glaze being attached on product ontology, pass through Further product ontology can be protected using Low Thermal Expantion Glaze, to improve the low expansion character of ceramic product.
Low Thermal Expantion Glaze includes petalite, kaolin, zinc oxide, talcum, wollastonite and toner, petalite, kaolin, Zinc oxide, talcum, wollastonite and toner weight ratio be respectively as follows: 75-80%, 10-20%, 1-5%, 3-5%, 5-10% And 5-10%.Preferably, the weight ratio of petalite, kaolin, zinc oxide, talcum, wollastonite and toner be respectively 75%, 10%, 2%, 3%, 5% and 5%.
Embodiment one
The embodiment of the invention provides a kind of refractory ceramics product for electromagnetic oven, the refractory ceramics product has The material of following components by weight percent is prepared: 48% ridgity material, 50% clay and 2% Nucleating Agent, median ridge material Material by 50% petalite, 15% spodumene, 20% lithium carbonate and 15% cordierite;Nucleating Agent is ZrO2
Embodiment two
The embodiment of the invention provides a kind of refractory ceramics product for electromagnetic oven, the refractory ceramics product has The material of following components by weight percent is prepared: 47% ridgity material, 50% clay and 3% Nucleating Agent, median ridge material Material by 50% petalite, 15% spodumene, 20% lithium carbonate and 15% cordierite;Nucleating Agent is ZrO2
Embodiment three
The embodiment of the invention provides a kind of refractory ceramics product for electromagnetic oven, the refractory ceramics product has The material of following components by weight percent is prepared: 45% ridgity material, 50% clay and 5% Nucleating Agent, median ridge material Material by 50% petalite, 15% spodumene, 20% lithium carbonate and 15% cordierite;Nucleating Agent is ZrO2
Example IV
The embodiment of the invention provides a kind of refractory ceramics product for electromagnetic oven, the refractory ceramics product has The material of following components by weight percent is prepared: 45% ridgity material, 50% clay and 5% Nucleating Agent, median ridge material Material by 50% petalite, 15% spodumene, 20% lithium carbonate and 15% cordierite;Nucleating Agent is that weight ratio is 1:1: 1 ZrO2、TiO2And zinc oxide.
Embodiment five
The embodiment of the invention provides a kind of refractory ceramics product for electromagnetic oven, the refractory ceramics product has The material of following components by weight percent is prepared: 45% ridgity material, 50% clay and 5% Nucleating Agent, median ridge material Material is by 50% petalite, 15% spodumene, 5% eucryptite, 15% lithium carbonate and 15% cordierite;Nucleating Agent is Weight ratio is the ZrO of 1:1:12、TiO2And zinc oxide.
Embodiment six
The embodiment of the invention provides a kind of refractory ceramics product for electromagnetic oven, the refractory ceramics product has The material of following components by weight percent is prepared: 45% ridgity material, 50% clay and 5% Nucleating Agent, median ridge material Material is by 50% petalite, 15% spodumene, 5% eucryptite, 15% lithium carbonate and 15% cordierite;Nucleating Agent is Weight ratio is the ZrO of 1:1:12、TiO2And zinc oxide;The refractory ceramics product further include be attached to it is low on product ontology Glaze is expanded, the Low Thermal Expantion Glaze includes 75% petalite, 10% kaolin, 2% zinc oxide, 3% talcum, 5% Wollastonite and 5% toner.
In conjunction with the several embodiments of foregoing exemplary, at this to refractory ceramics product provided by the embodiments of the present application into One step explanation.
Comparative example one, embodiment two and embodiment three, compare by test of many times, ceramics corresponding to embodiment three The thermal shock temperature of product can be higher, can reach 650 degrees Celsius, low-expansion coefficient can reach 10.3*10-6/ DEG C or less.
Comparative example three and example IV, when use Nucleating Agent is ZrO2、TiO2And zinc oxide, and its weight ratio is In the case where 1:1:1, in the environment of firing under carrying out 1350 degree celsius temperatures to ceramic product, nucleus body is produced through pyroreaction Raw microcrystalline coating is more uniform, so that the low-expansion coefficient of ceramic product further be effectively reduced.
Comparative example four and embodiment five increase the eucryptite for having 5% in embodiment five, since the high temperature of eucryptite is resistance to Fire is more significant, therefore, compared with example IV, is added with its thermal shock temperature of the ceramic product of eucryptite by test of many times It can achieve 700 degrees Celsius, to effectively improve the thermal shock temperature of ceramic product, make its more high temperature resistant, improve its use Service life avoids long-time service from damaging.
Comparative example five and embodiment six, due to increasing one layer of Low Thermal Expantion Glaze, and low bulk outside ceramic body Glaze is prepared by low bulk petalite, zinc oxide etc., so that ceramic product made by embodiment six and embodiment five are made At ceramic product compare, the coefficient of expansion of ceramic product is lower.
Certainly, embodiment of above is merely illustrative, and embodiment can be referring to above in other in the embodiment of the present application Several embodiments do not elaborate herein.
Using the refractory ceramics product provided by the embodiments of the present application for electromagnetic oven, mentioned by ridgity material, clay The high temperature resistance of high ceramic product, Nucleating Agent issue biochemical reaction in high temperature firing, form crystallite, are formed to ceramic product Protection, and the coefficient of expansion of ceramic product is reduced, thus guarantee that ceramic product under the premise of resistant to high temperature, reduces the coefficient of expansion, Prevent ceramic product swelling fracture during electromagnetic oven heating.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.

Claims (10)

1. a kind of refractory ceramics product for electromagnetic oven, which is characterized in that the refractory ceramics product includes: ridge material Material, clay and Nucleating Agent, the components by weight percent of the ridgity material, clay and Nucleating Agent are respectively 45-50%, 45-50% and 2- 5%, wherein
The ridgity material includes low bulk lithium based material and low bulk magnesium based material.
2. being used for the refractory ceramics product of electromagnetic oven as described in claim 1, which is characterized in that the Nucleating Agent includes ZrO2、TiO2It is one or more with zinc oxide.
3. being used for the refractory ceramics product of electromagnetic oven as claimed in claim 2, which is characterized in that the Nucleating Agent includes ZrO2、TiO2And zinc oxide, and the ZrO2、TiO2Mass ratio with zinc oxide is 1:1:1.
4. being used for the refractory ceramics product of electromagnetic oven as described in claim 1, which is characterized in that low bulk lithium system material Material includes petalite, spodumene and lithium carbonate, and the low bulk magnesium based material includes cordierite.
5. being used for the refractory ceramics product of electromagnetic oven as claimed in claim 4, which is characterized in that low bulk lithium system material Material includes petalite, spodumene, eucryptite and lithium carbonate.
6. being used for the refractory ceramics product of electromagnetic oven as claimed in claim 5, which is characterized in that the petalite, lithium Pyroxene, eucryptite, lithium carbonate and cordierite components by weight percent be 45-55%, 10-15%, 1-5%, 15-20% and 5-15%.
7. being used for the refractory ceramics product of electromagnetic oven as described in claim 1, which is characterized in that the refractory ceramics produces Product further include the Low Thermal Expantion Glaze being attached on product ontology.
8. being used for the refractory ceramics product of electromagnetic oven as claimed in claim 7, which is characterized in that the Low Thermal Expantion Glaze includes Petalite, kaolin, zinc oxide, talcum, wollastonite and toner.
9. being used for the refractory ceramics product of electromagnetic oven as claimed in claim 8, which is characterized in that the petalite, height Ridge soil, zinc oxide, talcum, wollastonite and toner weight ratio be respectively as follows: 75-80%, 10-20%, 1-5%, 3-5%, 5- 10% and 5-10%.
10. being used for the refractory ceramics product of electromagnetic oven as claimed in claim 9, which is characterized in that the petalite, height Ridge soil, zinc oxide, talcum, wollastonite and toner weight ratio be respectively 75%, 10%, 2%, 3%, 5% and 5%.
CN201811650520.1A 2018-12-31 2018-12-31 A kind of refractory ceramics product for electromagnetic oven Pending CN109678457A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811650520.1A CN109678457A (en) 2018-12-31 2018-12-31 A kind of refractory ceramics product for electromagnetic oven

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811650520.1A CN109678457A (en) 2018-12-31 2018-12-31 A kind of refractory ceramics product for electromagnetic oven

Publications (1)

Publication Number Publication Date
CN109678457A true CN109678457A (en) 2019-04-26

Family

ID=66191660

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811650520.1A Pending CN109678457A (en) 2018-12-31 2018-12-31 A kind of refractory ceramics product for electromagnetic oven

Country Status (1)

Country Link
CN (1) CN109678457A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111517771A (en) * 2020-04-03 2020-08-11 电子科技大学 Microwave dielectric ceramic material and preparation method thereof

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101538164A (en) * 2009-04-24 2009-09-23 景德镇陶瓷学院 Process for preparing super-low expansion ceramic material
KR100976210B1 (en) * 2010-06-24 2010-08-17 주식회사 행남자기 Ceramic flameware for an induction heater and method of manufacturing the same
CN102515730A (en) * 2011-10-20 2012-06-27 景德镇陶瓷学院 Ultra-low-expansion ceramic pot and manufacturing method thereof
CN104193412A (en) * 2014-08-14 2014-12-10 广东道氏技术股份有限公司 Low expansion mat glaze and cordierite barbecue plate coated with glaze
CN104261801A (en) * 2014-09-18 2015-01-07 湖南嘉盛电陶新材料股份有限公司 Ceramic bearing platter for microwave oven and preparation method of ceramic bearing platter
CN107188530A (en) * 2017-07-20 2017-09-22 景德镇陶瓷大学 A kind of preparation method of low-cost and high-performance low expansion ceramic blank and its ceramic product
CN108033768A (en) * 2017-12-08 2018-05-15 泉州市德化县恒峰陶瓷有限公司 Ceramic whiteware pot and preparation method thereof with high temperature resistant, explosion-proof glaze paint
CN108101525A (en) * 2017-12-26 2018-06-01 江西京尚实业有限公司 Petalite heat resistant ceramic wok and its preparation process
CN108863304A (en) * 2018-07-24 2018-11-23 湖南嘉盛电陶新材料股份有限公司 Ceramic batch, pottery and preparation method thereof

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101538164A (en) * 2009-04-24 2009-09-23 景德镇陶瓷学院 Process for preparing super-low expansion ceramic material
KR100976210B1 (en) * 2010-06-24 2010-08-17 주식회사 행남자기 Ceramic flameware for an induction heater and method of manufacturing the same
CN102515730A (en) * 2011-10-20 2012-06-27 景德镇陶瓷学院 Ultra-low-expansion ceramic pot and manufacturing method thereof
CN104193412A (en) * 2014-08-14 2014-12-10 广东道氏技术股份有限公司 Low expansion mat glaze and cordierite barbecue plate coated with glaze
CN104261801A (en) * 2014-09-18 2015-01-07 湖南嘉盛电陶新材料股份有限公司 Ceramic bearing platter for microwave oven and preparation method of ceramic bearing platter
CN107188530A (en) * 2017-07-20 2017-09-22 景德镇陶瓷大学 A kind of preparation method of low-cost and high-performance low expansion ceramic blank and its ceramic product
CN108033768A (en) * 2017-12-08 2018-05-15 泉州市德化县恒峰陶瓷有限公司 Ceramic whiteware pot and preparation method thereof with high temperature resistant, explosion-proof glaze paint
CN108101525A (en) * 2017-12-26 2018-06-01 江西京尚实业有限公司 Petalite heat resistant ceramic wok and its preparation process
CN108863304A (en) * 2018-07-24 2018-11-23 湖南嘉盛电陶新材料股份有限公司 Ceramic batch, pottery and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111517771A (en) * 2020-04-03 2020-08-11 电子科技大学 Microwave dielectric ceramic material and preparation method thereof

Similar Documents

Publication Publication Date Title
CN114249530B (en) Thermally tempered glass element and use thereof
KR102519215B1 (en) Glass composition and cooking appliance
TW467875B (en) Coated article and method of making
CN108821595A (en) A kind of high rigidity zero thermal expansion transparent glass-ceramics and preparation method thereof
KR20120052332A (en) High-performance glass ceramics and method for producing high-performance glass ceramics
CN108033768A (en) Ceramic whiteware pot and preparation method thereof with high temperature resistant, explosion-proof glaze paint
CN108754384A (en) A kind of ceramic modified alloy composite materials and coating
CN109678457A (en) A kind of refractory ceramics product for electromagnetic oven
CN101570398A (en) Sealing glass special for compressor and preparation and application thereof
Chen et al. Thermophysical properties of alumina particle reinforced glass matrix composites
JPH08131337A (en) Electromagnetically heating cooking receptacle and tableware
CN105964979B (en) A kind of air tight high-temperature-resistant and anti-corrosion aluminum melt stalk
CN210602794U (en) Combined energy-saving electric furnace hearth
KR101652106B1 (en) Exothermic glaze and vessel sped it on the surface
CN101017058A (en) Microwave sintering material placing device
CN207925152U (en) A kind of high temperature resistant cable
JP2007252524A (en) Ceramic container for electromagnetic induction heating cooker
CN105801135A (en) Energy saving coating layer for industrial kilns
JP2013067525A (en) Crystallized glass article
JP5483026B2 (en) Microwave absorption / self-heating heat-resistant ceramics and method for manufacturing the same
CN107540395A (en) A kind of high acid-resistant fire-resistant heat-insulation material of combination property
KR100719899B1 (en) High density, high strength, no crack earthen bowl manufacture method
CN209445793U (en) Muffle furnace heat-proof device
CN205395299U (en) Insulation material structure for make under high temperature condition
CN108585499A (en) A kind of preparation method of low expansion ceramic glaze

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20190426

RJ01 Rejection of invention patent application after publication