CN103193463B - Improved type conductive marmite and manufacturing method thereof - Google Patents
Improved type conductive marmite and manufacturing method thereof Download PDFInfo
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- CN103193463B CN103193463B CN201310122387.3A CN201310122387A CN103193463B CN 103193463 B CN103193463 B CN 103193463B CN 201310122387 A CN201310122387 A CN 201310122387A CN 103193463 B CN103193463 B CN 103193463B
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Abstract
The invention relates to an improved type conductive marmite and a manufacturing method thereof. The improved type conductive marmite is characterized by sequentially comprising a marmite body ceramic, a glaze and a conductive metal aluminum layer, wherein the conductive metal aluminum layer is positioned at an outer bottom; the marmite body ceramic (1) comprises the following components in percentage by weight: 20%-27% of Suzhou No.1 clay, 12%-17% of camwood knots, 3%-8% of Zhangzhou clay, 35%-43% of spodumene and the balance of Gangxi talcum; the glaze (2) comprises the following components in percentage by weight: 25%-35% of the spodumene, 30%-45% of magnesium oxide, 6%-12% of zinc oxide, 3%-7% of Suzhou No.1 clay, 5%-8% of tin oxide,, 8%-15% of silicon micropowder and the balance of self-made fusion cakes; and the conductive metal aluminum layer (4) is completely covered at the bottom of a marmite body. The manufacturing method comprises the following steps of: weighing materials according to the formula of the marmite body ceramic; and stirring, mixing, adding water, vacuumizing, forming, drying, glazing, and finally burning. The improved type conductive marmite disclosed by the invention is possible to be hopeful in large-scale application on an electromagnetic cooker and has a good market prospect.
Description
Technical field
The present invention relates to a kind of electromagnetic stove or electromagnetic oven modified version conduction marmite and making method, belong to daily utensil field.
Background technology
Electromagnetic stove because of without naked light, clean pollute, the advantage such as safe and reliable, more and more obtain the favor of Modern Family.The ultimate principle of electromagnetic stove is to utilize electromagnetic induction principle, makes pot body in high-frequency alternating magnetic field, produce induced current, and induced current forms eddy current, produces heat effect, thereby reach the object of heat food on pot body.Visible, electromagnetic stove has certain requirement to matching used pot body, and that is exactly that pot body used must can be under the effect of alternating magnetic field, generation current eddy current, and in other words, the bottom surface that pot body itself or pot body contact with electromagnetic stove must have good conductive capability.
Marmite is due to acid-alkali-corrosive-resisting, high temperature resistant, freshness, the temperature that can at utmost keep food, and the thing of cooking has peculiar flavour, enjoys liking of people.But, for conventional marmite, because it is isolator substantially, almost can not generation current under the effect of electromagnetic induction, the hope of using on electromagnetic stove is very remote.This concerning not only wish to utilize safely cleaning electromagnetic stove, but also wish to enjoy the unique delicious people of marmite food, be a kind of sorry really.
In order to meet this class specific demand, two patent of invention (CN2680156Y of two modified versions that carry out for conventional marmite have been proposed before the inventor, CN1682627A), enable to meet the service requirements of electromagnetic stove, but all there is certain problem in these two kinds of modified version marmites, has limited their widespread uses in daily life.In the marmite insulation layer providing as first patent of invention, contain a small amount of lead ion, harmful to HUMAN HEALTH, according to the provisions of the relevant regulations issued by the State, be to serve as the ceramic cooker that directly contacts with food; And second patent of invention adopts due to bottom conductive annulus, it is the mode that coating electrically conductive slurry then burns electrode at certain high temperature, marmite must experience a high temperature (about 800 ℃ of left and right) process again like this, easily make to conduct electricity marmite because the inequality of being heated ftractures, have a strong impact on the yield rate of marmite goods.Therefore must find environment protection health more electrode materials, take more convenient safe production method for addressing the above problem, the invention provides a kind of follow-on conduction marmite and preparation method thereof, be expected to be widely used with electromagnetic stove is supporting.
Summary of the invention
In order to achieve the above object, the invention provides a kind of electromagnetic stove or electromagnetic oven modified version conduction marmite and preparation method thereof.
Conduction marmite of the present invention is comprised of pot body pottery, muffle painting and outer bottom conductive metal aluminium lamination.Pot body pottery of the present invention all adopts natural matter, environment protection health; Muffle painting part material used is especial manufacture, can well guarantee the combination of muffle painting and casserole body, burns till rear soft smooth, meticulous attractive in appearance; Electrode used therein material is metallic aluminium, directly do not contact with food, harmless to human body basic, conductive layer is combined closely with casserole body, and conductivity is good, pot body temperature rise rate is fast, the most important thing is that conductive layer is made at normal temperatures and pressures, simple, thermal shock resistance and resistance to elevated temperatures are all good, improve greatly yield rate, extended work-ing life.
At this, first, the pot body pottery compositing formula that the invention provides modified version conduction marmite is composed as follows:
No. 1, Suzhou mud: 20-27wt.% camwood knag: 12-17wt.% ZhangZhou mud: 3-8wt.%
Triphane: 35-43wt.% surplus is guangxi talc;
Secondly, muffle painting provided by the invention has following formula compositing range:
Triphane: 25～35wt.% magnesium oxide: 30～45wt.% zinc oxide: 6～12wt.%
No. 1, Suzhou mud: 3～7wt.% stannic oxide: 5～8wt.% silicon powder: 8～15wt.%, surplus is self-control frit;
Especially, the self-control frit that the muffle painting formula that the present invention adopts is used is for contriver is according to specific demand especial manufacture of the present invention, and described self-control frit has following formula compositing range (1400 ℃ of molten temperature processed, then chilling in water):
Triphane: 10～20wt.% Quilonum Retard: 30～35wt.% quartz: 25～50wt.%
Surplus is boric acid;
Wherein, 1. the chemical constitution of No. 1 mud in Suzhou is (quality %, lower same):
SiO
2 47.60 Fe
2O
3 0.72 Al
2O
3 35.56
SO
3 0.48 K
2O 0.17 Na
2O 0.14
CaO 0.32 MgO 0.15 loss on ignition and inevitable foreign matter content 14.86;
2. the chemical constitution of camwood knag is:
SiO
2 45.22 Fe
2O
3 0.67 Al
2O
3 37.29
CaO 0.96 MgO 0.35 K
2O 0.12
Na
2O 0.07
Loss on ignition and inevitable impurity 15.32;
3. the chemical constitution of ZhangZhou mud is:
SiO
2 48.24 Fe
2O
3 2.21 Al
2O
3 22.94
CaO 1.07 MgO 0.76 K
2O 1.12
Na
2O 0.17
Loss on ignition and inevitable impurity 23.49;
4. the chemical constitution of guangxi talc is:
SiO
2 64.80 CaO 0.58 MgO 27.28
Fe
2o
30.42 TiO
20.05 loss on ignition and inevitable impurity 6.87;
5. the raw material of all the other unreceipted chemical constitutions all meets corresponding GB;
6. the purity of silicon powder is 99%(quality), particle diameter is≤5 μ m, self-control frit is melted in water broken after chilling, crosses 320 mesh sieves; Particle diameter is≤45 μ m.
Again, containing the making flow process of muffle painting pot body pottery, be, by the mass percent of described formula, take successively the raw materials such as No. 1, Suzhou mud, camwood knag, ZhangZhou mud, triphane, talcum, adopt stirrer to mix, Ball-milling Time 12～18 hours; Until batch mixing, add water after evenly, add biodiversity and account for 20%～50% of total raw material quality; Then gained is added to water raw material and vacuumize, treat that vacuum tightness is 10
-5after standard atmospheric pressure, keep 1～2 hour; Take appropriate material forming, forming pressure is 3～5MPa; Gained base substrate is incubated under 90 ℃ of low temperature to 20～30 hours and is dried, at 300 ℃ of temperature, be incubated subsequently the pot body ceramic body that obtains being dried for 15～30 hours; Deployed muffle painting is evenly brushed on marmite, and brushing number of times is 3-5 time, and every brushing is once under room temperature (18-25 ℃) condition, and first standing 20-30 hour is then dried at 300 ° of C temperature, and drying time is 10～15 hours; Finally in High Temperature Furnaces Heating Apparatus, burn till 1200～1250 ℃ of firing temperatures.So far obtain the ceramic marmite of glazing.
Finally, adopt oxygen-acetylene hot-spraying techniques that metallic aluminium wire rod is deposited to bottom, marmite outside, main technical details scope: oxygen pressure 0.1～0.5MPa, acetylene pressure 0.4～0.7MPa, it is cooling that aluminium wire wire feed rate is that 0.2～0.5m/min. has sprayed under rear normal temperature and pressure, and the novel conductive marmite that provides of patent of the present invention is provided to obtain.Outside bottom conductive metallic aluminium layer thickness is 0.1～0.3mm.The whole cover sand pot bottoms of conducting metal aluminium lamination.
As can be seen here, the present invention is novel, healthy practicality is simple again, some shortcomings of similar patent before having improved to a great extent, as inadequate health environment-friendly, the marmite life-span is short etc., and modified version conduction marmite provided by the invention is expected to obtain large-scale application at electromagnetic stove becomes possibility, market application foreground is good, economic benefits.
Embodiment
Below by specific embodiment, further illustrate substantive distinguishing features of the present invention and marked improvement, should be understood that following embodiment is only for the present invention is described, and unrestricted the present invention.
Embodiment:
Take successively following raw material: No. 1, Suzhou mud: 176g; Camwood knag: 120g; ZhangZhou mud: 40g; Triphane: 320g; Guangxi talc: 144g.Raw material is placed in to stirrer for mixing, mixing time 12 hours; After batch mixing is even, add water 250g; Then gained is added to water raw material and vacuumize, treat that vacuum tightness is 10
-5after standard atmospheric pressure, keep 2 hours; The moulding of gained water-containing material is obtained to base substrate, and forming pressure is 5MPa, and moulding adopts camel car plaster mold; Gained base substrate is incubated to 20 hours under 90 ℃ of low temperature, under 300oC high temperature, is incubated subsequently the pot body ceramic body that obtains being dried for 15 hours.
Take successively following material allocation muffle painting: triphane: 30g; Magnesium oxide: 30g; Zinc oxide: 10g; No. 1, Suzhou mud: 5g; Stannic oxide: 5g; Silicon powder: 10g; Self-control frit: 10g. is evenly brushed to deployed muffle painting on marmite, and standing 24 hours, dry 10 hours of 300 ℃ of high temperature; In High Temperature Furnaces Heating Apparatus, burn till 1230 ℃ of firing temperatures.Obtain the ceramic marmite of glazing.
Adopt oxygen-acetylene wire rod hot-spraying techniques that aluminium wire is deposited to bottom, marmite outside, main technical details scope: oxygen pressure 0.3MPa, acetylene pressure 0.6MPa, it is cooling that aluminium wire wire feed rate is that 0.3m/min. has sprayed under rear normal temperature and pressure, and the novel conductive marmite that provides of patent of the present invention is provided to obtain.
Finally it should be noted that, above embodiment is unrestricted the present invention in order to technical scheme of the present invention to be described only, those of ordinary skill in the art is to be understood that, technical scheme to invention is modified or is equal to replacement, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in claim scope of the present invention.
Claims (5)
1. a modified version conduction marmite, is characterized in that pot body pottery, muffle painting and outer bottom conductive metal aluminium lamination, consisting of successively; Wherein,
1. the percentage composition of pot body ceramic mass is:
No. 1, Suzhou mud 20～27%, camwood knag 12～17%,
ZhangZhou mud 3～8%, triphane 35～43%,
Surplus is guangxi talc;
2. the quality percentage composition of muffle painting is:
Triphane 25～35%, magnesium oxide 30～45%,
Zinc oxide 6～12%, No. 1, Suzhou mud 3～7%,
Stannic oxide 5～8%, silicon powder 8～15%,
Surplus is self-control frit;
The quality percentage composition of 3. making frit by oneself is
Triphane 10～20%, Quilonum Retard 30～35%,
Quartz 25～50%, surplus is boric acid;
4. conducting metal aluminium lamination all covers bottom of pot body;
Described
the quality percentage composition of No. 1 mud in Suzhou is:
SiO
2 47.60 Fe
2O
3 0.72 Al
2O
3 35.56
SO
3 0.48 K
2O 0.17 Na
2O 0.14
CaO 0.32 MgO 0.15 loss on ignition and inevitable foreign matter content 14.86;
SiO
2 45.22 Fe
2O
3 0.67 Al
2O
3 37.29
CaO 0.96 MgO 0.35 K
2O 0.12
Na
2O 0.07
Loss on ignition and inevitable impurity 15.32;
SiO
2 48.24 Fe
2O
3 2.21 Al
2O
3 22.94
CaO 1.07 MgO 0.76 K
2O 1.12
Na
2O 0.17
Loss on ignition and inevitable impurity 23.49;
SiO
2 64.80 CaO 0.58 MgO 27.28
Fe
2o
30.42 TiO
20.05 loss on ignition and inevitable impurity 6.87.
2. by marmite described in claim 1, it is characterized in that a pot body pottery is 5～8mm; Outer bottom conductive metallic aluminium layer thickness is 0.1～0.3mm.
3. by marmite described in claim 1, it is characterized in that a pot body ceramic mass percentage composition is:
No. 1, Suzhou mud 22%, camwood knag 15%, ZhangZhou mud 5%, triphane 40%, guangxi talc 18%.
4. the method for making marmite as described in any one in claim 1～3, is characterized in that concrete steps are:
1. by the mass percent of described formula, take successively No. 1, Suzhou mud, camwood knag, ZhangZhou mud, triphane, guangxi talc raw material, adopt stirrer to mix;
2. Ball-milling Time 12～18 hours after mixing; Until batch mixing, add water after evenly, add biodiversity and account for 20%～50% of total raw material quality;
3. then gained is added to water raw material and vacuumize, treat that vacuum tightness is 10
-5after standard atmospheric pressure, keep 1～2 hour;
4. take appropriate material forming, forming pressure is 3～5MPa;
5. by gained base substrate heat preservation and dryness under 90 ℃ of low temperature, under 300 ℃ of high temperature, be incubated subsequently the pot body ceramic body that obtains being dried;
6. deployed muffle painting is evenly brushed on marmite, once at ambient temperature, first standing 20-30 hour is then dried at 300 ℃ of temperature in every brushing;
7. in High Temperature Furnaces Heating Apparatus, burn till, 1200～1250 ℃ of firing temperatures, so far obtain the ceramic marmite of glazing;
8. last, adopt oxygen-acetylene hot-spraying techniques that metallic aluminium wire rod is deposited to bottom, marmite outside, it is cooling that aluminium wire wire feed rate is that 0.2～0.5m/min spray under rear normal temperature and pressure, gets final product to obtain modified version and conduct electricity marmite.
5. by method claimed in claim 4, it is characterized in that:
(a) step 5. described 90 ℃ of soaking times be 20-30 hour, 300 ℃ of soaking times are 15-30 hour;
(b) 6. 300 ℃ of drying times 10～15 hours after described brushing glazing color layer of step;
(c) step 8. during described spraying oxygen pressure be 0.1～0.5MPa, acetylene pressure is 0.4～0.7MPa.
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|---|---|---|---|
| CN201310122387.3A CN103193463B (en) | 2013-04-10 | 2013-04-10 | Improved type conductive marmite and manufacturing method thereof |
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|---|---|---|---|
| CN201310122387.3A CN103193463B (en) | 2013-04-10 | 2013-04-10 | Improved type conductive marmite and manufacturing method thereof |
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| CN103193463B true CN103193463B (en) | 2014-04-30 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103739278B (en) * | 2014-01-10 | 2015-03-04 | 江西省源通陶瓷科技有限公司 | Ceramic matrix material stably bonded with metal base coatings and products thereof |
| CN104493073A (en) * | 2014-11-26 | 2015-04-08 | 马鞍山市恒达耐磨材料有限责任公司 | High-temperature-resistant purple knar molding sand and preparation method thereof |
| CN109199079B (en) * | 2017-06-30 | 2021-09-21 | 佛山市顺德区美的电热电器制造有限公司 | Ceramic pot, preparation method thereof and cooking utensil |
| CN109419296B (en) * | 2017-08-21 | 2021-02-26 | 佛山市顺德区美的电热电器制造有限公司 | Ceramic pot, preparation method thereof and cooking utensil |
| CN109044082B (en) * | 2018-09-29 | 2021-02-09 | 宁波百飞特厨具有限公司 | Frying pan |
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| JP3665610B2 (en) * | 2001-12-26 | 2005-06-29 | 株式会社東芝 | Electromagnetic cooking device for clay pot cooking |
| CN100394876C (en) * | 2004-09-09 | 2008-06-18 | 刘华君 | Conductive ceramic utensil for electromagnetic range and its preparing method |
| CN1586372A (en) * | 2004-09-09 | 2005-03-02 | 刘华君 | Conductive ceramic utensil for electromagnetic stove and its producing method |
| CN100427014C (en) * | 2007-04-17 | 2008-10-22 | 景德镇陶瓷学院 | High heat-resisting ceramic cooking cook ware suitable for electromagnetic induction furnace |
| CN100562508C (en) * | 2007-05-22 | 2009-11-25 | 罗跃进 | The making method of pottery that electromagnetic oven is used or porcelain container |
| CN102320863A (en) * | 2011-06-01 | 2012-01-18 | 石家庄市原火陶瓷有限责任公司 | Heat-resistant ceramic heating kitchen utensil for microwave oven |
| CN102795845A (en) * | 2012-07-11 | 2012-11-28 | 广东顺祥陶瓷有限公司 | Stewing porcelain for electromagnetic oven and production method of porcelain |
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