CN107043245A - A kind of ceramic heating plate - Google Patents
A kind of ceramic heating plate Download PDFInfo
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- CN107043245A CN107043245A CN201710069159.2A CN201710069159A CN107043245A CN 107043245 A CN107043245 A CN 107043245A CN 201710069159 A CN201710069159 A CN 201710069159A CN 107043245 A CN107043245 A CN 107043245A
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- 239000000919 ceramic Substances 0.000 title claims abstract description 31
- 238000010438 heat treatment Methods 0.000 title claims abstract description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000002994 raw material Substances 0.000 claims abstract description 18
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical group [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 8
- 229910052581 Si3N4 Inorganic materials 0.000 claims abstract description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 8
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical group O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 8
- 229910001845 yogo sapphire Inorganic materials 0.000 claims abstract description 8
- 229910021389 graphene Inorganic materials 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 12
- -1 graphite alkene Chemical class 0.000 claims description 11
- 210000001161 mammalian embryo Anatomy 0.000 claims description 11
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 10
- 238000005245 sintering Methods 0.000 claims description 10
- 229910002804 graphite Inorganic materials 0.000 claims description 7
- 239000010439 graphite Substances 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 5
- 238000000498 ball milling Methods 0.000 claims description 5
- 238000005469 granulation Methods 0.000 claims description 5
- 230000003179 granulation Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000003595 mist Substances 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- ALVYUZIFSCKIFP-UHFFFAOYSA-N triethoxy(2-methylpropyl)silane Chemical compound CCO[Si](CC(C)C)(OCC)OCC ALVYUZIFSCKIFP-UHFFFAOYSA-N 0.000 claims description 5
- 230000035939 shock Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 3
- 238000005336 cracking Methods 0.000 description 3
- 235000014347 soups Nutrition 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 235000008935 nutritious Nutrition 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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
- C04B35/10—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 aluminium oxide
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/02—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
- A47J36/04—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay the materials being non-metallic
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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
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation 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
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
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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
- C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
- C04B2235/3225—Yttrium oxide or oxide-forming salts thereof
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- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
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- 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
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- C04B2235/3852—Nitrides, e.g. oxynitrides, carbonitrides, oxycarbonitrides, lithium nitride, magnesium nitride
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- Compositions Of Oxide Ceramics (AREA)
Abstract
A kind of ceramic heating plate, is made up of the raw material of following parts by weight：Granularity is 700~800 microns of Al2O3：40~50 parts；Granularity is 500~600 microns of SiO2：15~20 parts；Granularity is 300~400 microns of CaCO3：20~25 parts；Granularity is 100~200 microns of ZrO2：3~8 parts；Granularity is 30~50 microns of Si3N4：4~7 parts；Granularity is 800~1200 nanometers of Y2O3：1~3 part；Granularity is 300~500 nanometers of AlB：1~5 part；Granularity is 80~150 nanometers of pretreated graphene：1~3 part.Not only heat transfer property is excellent for this ceramic heating plate, with insulation effect, and good thermal shock, and stable structure can be also kept in cold prominent hot environment of dashing forward.
Description
Technical field
The present invention relates to can heating ceramic technical field, more particularly, to a kind of excellent ceramic heating plate of thermal shock resistance.
Background technology
Baoshang is the traditional nutritious food preparation method of China, is generally required using ceramic pan come Baoshang.But ceramic pan
Baoshang has one disadvantage in that, if exactly adding cold water in the midway of Baoshang, may result in pot and cracks.
Often stewed soup now with electric cooker, but internal pot is metallic article, it is impossible to reach effect that ceramics are stewed soup.
If making the inner bag of electric cooker of ceramic pot, there is the hidden danger easily ftractureed.Also, current electric cooker is
Heating dish is set in the bottom of a pan, the heat transfer property of ceramic pan is much worse than metal pan, and its efficiency of heating surface is very low, can greatly postpone Baoshang
Time.
The content of the invention
In view of the above-mentioned problems existing in the prior art, the applicant provides a kind of ceramic heating plate.This ceramic heating plate
Not only heat transfer property is excellent, with insulation effect, and good thermal shock, can also keep stable in cold prominent hot environment of dashing forward
Structure.
Technical scheme is as follows：
A kind of ceramic heating plate, is made up of the raw material of following parts by weight：
Granularity is 700~800 microns of Al2O3：40~50 parts；
Granularity is 500~600 microns of SiO2：15~20 parts；
Granularity is 300~400 microns of CaCO3：20~25 parts；
Granularity is 100~200 microns of ZrO2：3~8 parts；
Granularity is 30~50 microns of Si3N4：4~7 parts；
Granularity is 800~1200 nanometers of Y2O3：1~3 part；
Granularity is 300~500 nanometers of AlB：1~5 part；
Granularity is 80~150 nanometers of pretreated graphene：1~3 part；
The method of the pretreating graphite alkene is：By the ethoxy perhydro-s-triazine and graphite that quality is graphene 6~9%
Alkene adds the acetone soln that concentration is 1~2wt% together, and ultrasonic disperse 40~60 minutes, are then dried in the case of stirring
Into powder.
It is preferred that, described ceramic heating plate is made up of the raw material of following parts by weight：
Granularity is 700~800 microns of Al2O3：45 parts；
Granularity is 500~600 microns of SiO2：17 parts；
Granularity is 300~400 microns of CaCO3：22 parts；
Granularity is 100~200 microns of ZrO2：6 parts；
Granularity is 30~50 microns of Si3N4：3 parts；
Granularity is 800~1200 nanometers of Y2O3：2 parts；
Granularity is 300~500 nanometers of AlB：3 parts；
Granularity is 80~150 nanometers of pretreated graphene：2 parts.
A kind of preparation method of described ceramic heating plate, is comprised the following steps that：
(1) after all raw materials are mixed, the absolute ethyl alcohol that weight is these raw materials 50~60% is added, and weight is pre-
The isobutyl triethoxy silane coupling agent of the 15~18% of treated graphene, inserts in planetary mills and is mixed and ground
2~3 hours；
(2) the pureed product obtained after ball milling is subjected to mist projection granulating, the method system that the material after granulation uses isostatic pressed
The standby plain embryo into required shape；
(3) high temperature sintering is carried out to plain embryo, sintering temperature is 1450~1480 DEG C, and the time is kept for 60~80 minutes；
(4) room temperature and then with 12~15 DEG C per minute of speed is cooled to, is tempered after being kept for 30~40 minutes at room temperature,
Kept for 30~40 minutes at 580~650 DEG C, then naturally cool to room temperature.
The present invention is beneficial to be had technical effect that：
This invention takes the method for granularity classification, make the ceramic heating body prepared that there is microcosmic porous moulding,
Thermal shock resistance is very good.In general, the ceramic conductivity of heat with loose structure is very poor, but present invention adds graphite
Alkene, compensate for the influence for the thermal conductivity that loose structure is brought.Due to easily reuniting when graphene is unprocessed, it is not easy to scattered equal
Even, the present invention is pre-processed to graphene so that its not only favorable dispersibility, and be generally evenly distributed in ceramic plain embryo
In so that the finished product heat transfer prepared is uniform, will not local heating.
The ceramic heating plate for preparing of the present invention is made to the shape of pot, pot body outer surface using silk-screen printing or
The method of stickup sticks some circle heater strips, is put into insulation and the resistant to elevated temperatures overcoat of energy, you can make electric-heating ceramic Baoshang
Pot.Sealed pot can also be made and enter horizontal high voltage Baoshang.This pot can with the environment of resistance to 0~300 DEG C of high and low temperature alternative,
It is completely enough in daily life.
Embodiment
With reference to embodiment, the present invention is specifically described.
Embodiment 1
A kind of ceramic heating plate, is made up of the raw material of following parts by weight：Granularity is 700~800 microns of Al2O3：40
Part；Granularity is 500~600 microns of SiO2：15 parts；Granularity is 300~400 microns of CaCO3：20 parts；Granularity is
100~200 microns of ZrO2：3 parts；Granularity is 30~50 microns of Si3N4：4 parts；Granularity is 800~1200 nanometers
Y2O3：1 part；Granularity is 300~500 nanometers of AlB：1 part；Granularity is 80~150 nanometers of pretreated graphene：1
Part；
The method of the pretreating graphite alkene is：By the ethoxy perhydro-s-triazine and graphene that quality is graphene 6%
The acetone soln that concentration is 1wt% is added together, and ultrasonic disperse 40 minutes, are then dried to powder in the case of stirring.Institute
The preparation method for the ceramic heating plate stated, is comprised the following steps that：
(1) after all raw materials are mixed, the absolute ethyl alcohol that weight is these raw materials 50% is added, and weight is pretreatment
The isobutyl triethoxy silane coupling agent of the 15% of the graphene crossed, inserts in planetary mills and is mixed and ground 2 hours；
(2) the pureed product obtained after ball milling is subjected to mist projection granulating, the method system that the material after granulation uses isostatic pressed
The standby plain embryo into required shape；
(3) high temperature sintering is carried out to plain embryo, sintering temperature is 1450 DEG C, and the time is kept for 80 minutes；
(4) room temperature and then with 12 DEG C per minute of speed is cooled to, is tempered after being kept for 30 minutes at room temperature, at 580 DEG C
Kept for 40 minutes, then naturally cool to room temperature.
Embodiment 2
A kind of ceramic heating plate, is made up of the raw material of following parts by weight：Granularity is 700~800 microns of Al2O3：45
Part；Granularity is 500~600 microns of SiO2：17 parts；Granularity is 300~400 microns of CaCO3：22 parts；Granularity is
100~200 microns of ZrO2：6 parts；Granularity is 30~50 microns of Si3N4：3 parts；Granularity is 800~1200 nanometers
Y2O3：2 parts；Granularity is 300~500 nanometers of AlB：3 parts；Granularity is 80~150 nanometers of pretreated graphene：2
Part.
The method of the pretreating graphite alkene is：By the ethoxy perhydro-s-triazine and graphene that quality is graphene 8%
The acetone soln that concentration is 1.5wt% is added together, and ultrasonic disperse 50 minutes, are then dried to powder in the case of stirring.
The preparation method of described ceramic heating plate, is comprised the following steps that：
(1) after all raw materials are mixed, the absolute ethyl alcohol that weight is these raw materials 55% is added, and weight is pretreatment
The isobutyl triethoxy silane coupling agent of the 17% of the graphene crossed, inserts in planetary mills and is mixed and ground 2.5 hours；
(2) the pureed product obtained after ball milling is subjected to mist projection granulating, the method system that the material after granulation uses isostatic pressed
The standby plain embryo into required shape；
(3) high temperature sintering is carried out to plain embryo, sintering temperature is 1460 DEG C, and the time is kept for 70 minutes；
(4) room temperature and then with 14 DEG C per minute of speed is cooled to, is tempered after being kept for 35 minutes at room temperature, at 600 DEG C
Kept for 35 minutes, then naturally cool to room temperature.
Embodiment 3
A kind of ceramic heating plate, is made up of the raw material of following parts by weight：Granularity is 700~800 microns of Al2O3：50
Part；Granularity is 500~600 microns of SiO2：20 parts；Granularity is 300~400 microns of CaCO3：25 parts；Granularity is
100~200 microns of ZrO2：8 parts；Granularity is 30~50 microns of Si3N4：7 parts；Granularity is 800~1200 nanometers
Y2O3：3 parts；Granularity is 300~500 nanometers of AlB：5 parts；Granularity is 80~150 nanometers of pretreated graphene：3
Part；
The method of the pretreating graphite alkene is：By the ethoxy perhydro-s-triazine and graphene that quality is graphene 9%
The acetone soln that concentration is 2wt% is added together, and ultrasonic disperse 60 minutes, are then dried to powder in the case of stirring.Institute
The preparation method for the ceramic heating plate stated, is comprised the following steps that：
(1) after all raw materials are mixed, the absolute ethyl alcohol that weight is these raw materials 60% is added, and weight is pretreatment
The isobutyl triethoxy silane coupling agent of the 18% of the graphene crossed, inserts in planetary mills and is mixed and ground 3 hours；
(2) the pureed product obtained after ball milling is subjected to mist projection granulating, the method system that the material after granulation uses isostatic pressed
The standby plain embryo into required shape；
(3) high temperature sintering is carried out to plain embryo, sintering temperature is 1480 DEG C, and the time is kept for 60 minutes；
(4) room temperature and then with 15 DEG C per minute of speed is cooled to, is tempered after being kept for 40 minutes at room temperature, at 650 DEG C
Kept for 30 minutes, then naturally cool to room temperature.
Test case：
The ceramic body prepared to embodiment 1~3 carries out performance test, and test result is as shown in table 1.
Table 1
| Performance | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Thermal conductivity factor (Wm-1·K-1) | 11.5 | 12.9 | 12.1 |
| Thermal shock resistance | 26 crackings | 32 crackings | 29 crackings |
| Bending strength (MPa) | 438 | 465 | 447 |
| Fracture toughness (MPam1/2) | 7.3 | 8.1 | 7.5 |
Remarks：In table 1, thermal conductivity factor is tested at 25 DEG C；Thermal shock resistance is alternately surveyed at -10 DEG C~500 DEG C
Examination.
Claims (3)
1. a kind of ceramic heating plate, it is characterised in that be made up of the raw material of following parts by weight：
Granularity is 700~800 microns of Al2O3：40~50 parts；
Granularity is 500~600 microns of SiO2：15~20 parts；
Granularity is 300~400 microns of CaCO3：20~25 parts；
Granularity is 100~200 microns of ZrO2：3~8 parts；
Granularity is 30~50 microns of Si3N4：4~7 parts；
Granularity is 800~1200 nanometers of Y2O3：1~3 part；
Granularity is 300~500 nanometers of AlB：1~5 part；
Granularity is 80~150 nanometers of pretreated graphene：1~3 part；
The method of the pretreating graphite alkene is：By ethoxy perhydro-s-triazine and graphene one of the quality for graphene 6~9%
The acetone soln for adding that concentration is 1~2wt% is acted, ultrasonic disperse 40~60 minutes, are then dried to powder in the case of stirring
End.
2. ceramic heating plate according to claim 1, it is characterised in that be made up of the raw material of following parts by weight：
Granularity is 700~800 microns of Al2O3：45 parts；
Granularity is 500~600 microns of SiO2：17 parts；
Granularity is 300~400 microns of CaCO3：22 parts；
Granularity is 100~200 microns of ZrO2：6 parts；
Granularity is 30~50 microns of Si3N4：3 parts；
Granularity is 800~1200 nanometers of Y2O3：2 parts；
Granularity is 300~500 nanometers of AlB：3 parts；
Granularity is 80~150 nanometers of pretreated graphene：2 parts.
3. the preparation method of the ceramic heating plate described in a kind of claim 1 or 2, it is characterised in that comprise the following steps that：
(1) after all raw materials are mixed, the absolute ethyl alcohol that weight is these raw materials 50~60% is added, and weight is pretreatment
The isobutyl triethoxy silane coupling agent of the 15~18% of the graphene crossed, inserts in planetary mills and is mixed and ground 2~3
Hour；
(2) the pureed product obtained after ball milling is subjected to mist projection granulating, the material after granulation is prepared into using the method for isostatic pressed
The plain embryo of required shape；
(3) high temperature sintering is carried out to plain embryo, sintering temperature is 1450~1480 DEG C, and the time is kept for 60~80 minutes；
(4) room temperature and then with 12~15 DEG C per minute of speed is cooled to, is tempered after being kept for 30~40 minutes at room temperature, 580
Kept for 30~40 minutes at~650 DEG C, then naturally cool to room temperature.
Priority Applications (1)
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| CN108046773A (en) * | 2017-11-30 | 2018-05-18 | 无锡工艺职业技术学院 | A kind of refractory ceramics cup |
| CN108083778A (en) * | 2017-11-30 | 2018-05-29 | 无锡工艺职业技术学院 | A kind of refractory ceramics pot |
| CN110057685A (en) * | 2019-03-26 | 2019-07-26 | 昆明理工大学 | A kind of heat fatigue test device and test method heating not burning type cigarette fever tablet |
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| CN107043245B (en) | 2020-06-09 |
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