CN101913897A - Inner port for electro-thermal cooker and production method thereof - Google Patents
Inner port for electro-thermal cooker and production method thereof Download PDFInfo
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- CN101913897A CN101913897A CN 201010281068 CN201010281068A CN101913897A CN 101913897 A CN101913897 A CN 101913897A CN 201010281068 CN201010281068 CN 201010281068 CN 201010281068 A CN201010281068 A CN 201010281068A CN 101913897 A CN101913897 A CN 101913897A
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Abstract
The invention discloses an inner pot made from a carbon/carbon composite material for an electro-thermal cooker. The inner pot comprises a pot body (1), and is characterized in that the pot body (1) is made from the carbon/carbon composite material. A production method of the inner pot comprises the step of carrying out blank making, densifying, purifying, machining and surface densifying on carbon fibers. The inner port produced in the method has good heat conductivity, heat preservation and mechanical property, and is especially free from sticking during use; furthermore, the weight of the inner port is reduced, and the service life is improved.
Description
Technical field
The present invention relates to a kind of kitchen appliance articles for use, specifically a kind of electric-heating cooking utensil, particularly a kind of inner port for electro-thermal cooker and production method.
Background technology
Along with the raising that reaches living standards of the people that is extensive use of of electricity, electric-heating cooking utensil is fully used.Electric-heating cooking utensil comprises that electric cooker, electricity stew crucible, electric frying pan and Electric cooker for soup etc., is a kind of modernized cooker that multiple processing such as can steam, boil, stew, simmer, boil in a covered pot over a slow fire.They not only can cook food ripe, and can be incubated, and use sanitation and hygiene, do not pollute, and are time saving and energy saving, are one of indispensable apparatus of housework modernization.They are made up of outer pot that has calorifier and brace table and interior pot usually.Interior pot is used for splendid attire food, is placed in the outer pot.Calorifier heating power on the outer pot, pot in the heating, interior pot are again with the food of heat transferred institute's splendid attire in it, to reach the purpose of processed food.At present, the interior pot of electric-heating cooking utensil is general to adopt the metal manufacturing, and its thermal conductivity is good, but yielding and heat insulation effect is poor; Employing marmite (earth is fired and formed) is also arranged, but the crisp cracky of marmite, thermal conductivity is very poor.And because pot working temperature is glued pot easily mostly about in the of 100 ℃ in it when being used for processed food, clean trouble, also need internal pot to carry out Teflon film, to avoid sticking pot.Carbon/carbon compound material is by the elementary composition carbon fiber reinforced carbon matrix matrix material of pure carbon, and its moulding is generally compound or flood into prefabricated component through lamination acupuncture by carbon fibre web and cloth, again by making after chemical vapour deposition density and/or the dipping density.Major advantage comprises: density is low, high strength and high rigidity, high temperature dimensional stabilizing, intensity raise with the rising of temperature, anti-ablation, anti-thermal shock, radioprotective and unreactiveness etc., be specially adapted to the high temperature field, now become one of important foundation material of space flight and aviation and hi-tech engineering.
Summary of the invention
The purpose of this invention is to provide a kind of inner port for electro-thermal cooker and production method that adopts carbon/carbon compound material to be processed into.
The present invention adopts following technical scheme to realize its goal of the invention:
Chemical vapour deposition (Chemical vapor deposition, be called for short CVD) be meant that under hot environment, pyrolytic deposition carbon takes place hydrocarbon gas treating that the precast body of density is placed in the CVD stove in the porous preform of soaking, on precast body, be the important procedure that improves product density.
Graphitization processing: be meant at high temperature carbon material unformed, turbostratic is transformed to three-dimensional graphite ordered structure, to improve The comprehensive performance.
A kind of inner port for electro-thermal cooker, it comprises a pot body, the pot body adopts carbon/carbon compound material to be processed into.
The surface of pot body of the present invention is provided with the RESEARCH OF PYROCARBON tight zone.
A kind of production method of inner port for electro-thermal cooker as mentioned above, it comprises the following steps:
⑴ base: will make it to be combined into felt by acupuncture by net tire and the carbon cloth that carbon fiber is made, felt is wound on the mould, covers one deck carbon cloth thereon, cover one deck felt again, so crossover is placed and is made it compound by acupuncture, makes the inner port for electro-thermal cooker precast body of necessary requirement;
⑵ density: the inner port for electro-thermal cooker precast body of step ⑴ gained through the chemical vapour deposition density, progressively increases its density and through graphitization processing, makes the inner port for electro-thermal cooker base substrate of necessary requirement;
⑶ purifying: the inner port for electro-thermal cooker base substrate of step ⑵ gained is put into High Temperature Furnaces Heating Apparatus, under vacuum or protective atmosphere condition, add wherein impurity of heat abstraction;
⑷ machining: the inner port for electro-thermal cooker that step ⑶ gained inner port for electro-thermal cooker base substrate is machined to desired shape and size;
⑸ surface densification: step ⑷ gained inner port for electro-thermal cooker is put into High Temperature Furnaces Heating Apparatus, adopt chemical gaseous phase depositing process, it is carried out surface densification handle.
The present invention further improves its purity; with the inner port for electro-thermal cooker that step ⑸ gained is handled through surface densification, put into High Temperature Furnaces Heating Apparatus, under vacuum or protective atmosphere condition, add wherein impurity of heat abstraction; promptly under vacuum condition, be heated to 1500 ℃～2000 ℃, insulation 2h～3h.
The present invention is in step ⑴, and the area density of described net tire is 20g/ ㎡～90g/ ㎡, and the area density of carbon cloth is 200g/ ㎡～320g/ ㎡, and the apparent density of felt is 0.3g/cm
3～0.6g/cm
3, the inner port for electro-thermal cooker precast body of making, its apparent density is 0.3g/cm
3～0.7g/cm
3
The present invention is in step ⑵, and the apparent density of inner port for electro-thermal cooker base substrate is 1.43g/cm
3～1.75g/cm
3
The present invention is in step ⑶, and described purifying is for to add wherein impurity of heat abstraction under vacuum or protective atmosphere condition, and cleansing temp is 1800 ℃～2500 ℃, and soaking time is 2h～6h.
Because adopt technique scheme, the present invention has realized goal of the invention preferably, the interior pot that adopts carbon/carbon compound material to be processed into, have good heat conduction, insulation and mechanical property, non-stick pan when particularly using, and reduced interior pot weight, improved work-ing life.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
Embodiment 1:
As shown in Figure 1, a kind of inner port for electro-thermal cooker, it comprises pot body 1, pot body 1 adopts carbon/carbon compound material to be processed into.
The surface of pot body 1 of the present invention is provided with RESEARCH OF PYROCARBON tight zone 2.
A kind of production method of inner port for electro-thermal cooker as mentioned above, it comprises the following steps:
⑴ base:
1. shredding becomes net: choose the long short carbon fiber (present embodiment is 60 ㎜～90 ㎜) of 30 ㎜～120 ㎜, become fluffy raphioid fiber through the shredding of shredding equipment, then the good carbon fiber of shredding through air and/or carding (present embodiment is air and carding), utilize the lapping machine to be paved into fibrous reticulum again, sting into the net tire in advance, the area density of described net tire is 20g/ ㎡～90g/ ㎡ (present embodiment is 80g/ ㎡);
2. lamination is combined into felt: the carbon cloth that the net tire and the carbon fiber of gained are made makes it to be combined into felt by acupuncture, felt is wound on the mould, cover one deck carbon cloth thereon, cover one deck felt again, so crossover is placed and is made it compound by acupuncture, makes the inner port for electro-thermal cooker precast body of necessary requirement.Depth of needling is that 6 mm～25mm(present embodiment is 15mm); Needling density 3 Ci/㎝
2～10 Ci/㎝
2(present embodiment is 6 Ci/㎝
2); Layer density during the processing felt is 5 Ceng/㎝～20 Ceng/㎝ (present embodiment is 9 Ceng/㎝); The apparent density 0.3g/cm of described precast body
3～0.7g/cm
3(present embodiment is 0.5g/cm
3).
⑵ density: the precast body of step ⑴ gained through the chemical vapour deposition density, and through graphitization processing, is made the inner port for electro-thermal cooker base substrate, and the apparent density of described inner port for electro-thermal cooker base substrate is 1.43g/cm
3～1.75g/cm
3(present embodiment is 1.56g/cm
3).
In the chemical vapour deposition density, used carbon-source gas is a Sweet natural gas, flow is that 15L/min～40L/min(present embodiment is 29L/min), temperature is 850 ℃～1200 ℃ (present embodiment is 1050 ℃), pressure is that 0.5KPa～1.5KPa(present embodiment is 0.9KPa), in 1～4 cycle of density (present embodiment is 3 cycles), each cycle is that 60h～160h(present embodiment is 120h).After each density, according to base substrate top layer particular case, the base substrate top layer is peeled off with machining mode, to guarantee the density effect of follow-up density.
⑶ purifying: step ⑵ gained inner port for electro-thermal cooker base substrate is put into High Temperature Furnaces Heating Apparatus, under vacuum or protective atmosphere condition, add wherein impurity of heat abstraction, carry out purification process.Cleansing temp is 1800 ℃～2500 ℃ (present embodiment is 2300 ℃), and soaking time is that 2h～6h(present embodiment is 3h).
(4) machining: the goods that step ⑶ gained inner port for electro-thermal cooker base substrate are machined to desired shape and size.
⑸ surface densification: step ⑷ gained inner port for electro-thermal cooker goods are put into High Temperature Furnaces Heating Apparatus, adopt chemical gaseous phase depositing process, it is carried out surface densification handle, making surface formation one deck RESEARCH OF PYROCARBON tight zone 2(present embodiment that 100 μ m～300 μ m are thick of pot body 1 is 230 μ m).Used carbon-source gas is a Sweet natural gas, and flow is that 25L/min～45 L/min(present embodiments are 40 L/min), temperature is 950 ℃～1250 ℃ (present embodiment is 1200 ℃), pressure is that 1.5KPa～3KPa(present embodiment is 2.5KPa).
Adopt the carbon/carbon compound material inner port for electro-thermal cooker of present method preparation, have good heat conduction, insulation and mechanical property, non-stick pan when particularly using, and reduced interior pot weight, improved work-ing life.
Embodiment 2:
The present invention further improves its purity, and the inner port for electro-thermal cooker of step ⑸ gained is put into vacuum oven, is heated to 1500 ℃～2000 ℃ (present embodiment is 1800 ℃) under vacuum condition, and insulation 2h～3h(present embodiment is 2h).
Surplus with embodiment 1.
Claims (7)
1. inner port for electro-thermal cooker, it comprises a pot body (1), it is characterized in that a pot body (1) adopts carbon/carbon compound material to be processed into.
2. inner port for electro-thermal cooker according to claim 1 is characterized in that the surface of a pot body (1) is provided with RESEARCH OF PYROCARBON tight zone (2).
3. the production method of inner port for electro-thermal cooker as claimed in claim 1 or 2 is characterized in that it comprises the following steps:
⑴ base: will make it to be combined into felt by acupuncture by net tire and the carbon cloth that carbon fiber is made, felt is wound on the mould, covers one deck carbon cloth thereon, cover one deck felt again, so crossover is placed and is made it compound by acupuncture, makes the inner port for electro-thermal cooker precast body of necessary requirement;
⑵ density: the inner port for electro-thermal cooker precast body of step ⑴ gained through the chemical vapour deposition density, progressively increases its density and through graphitization processing, makes the inner port for electro-thermal cooker base substrate of necessary requirement;
⑶ purifying: the inner port for electro-thermal cooker base substrate of step ⑵ gained is put into High Temperature Furnaces Heating Apparatus, under vacuum or protective atmosphere condition, add wherein impurity of heat abstraction;
⑷ machining: the inner port for electro-thermal cooker that step ⑶ gained inner port for electro-thermal cooker base substrate is machined to desired shape and size;
⑸ surface densification: step ⑷ gained inner port for electro-thermal cooker is put into High Temperature Furnaces Heating Apparatus, adopt chemical gaseous phase depositing process, it is carried out surface densification handle.
4. according to the production method of the described inner port for electro-thermal cooker of claim 3; it is characterized in that for further improving its purity; with the inner port for electro-thermal cooker of step ⑸ gained through the surface densification processing; put into High Temperature Furnaces Heating Apparatus; under vacuum or protective atmosphere condition, add wherein impurity of heat abstraction; promptly under vacuum condition, be heated to 1500 ℃～2000 ℃, insulation 2h～3h.
5. according to the production method of claim 3 or 4 described inner port for electro-thermal cooker, it is characterized in that in step ⑴ that the area density of described net tire is 20 g/ ㎡～90g/ ㎡, the area density of carbon cloth is 200g/ ㎡～320g/ ㎡, and the apparent density of felt is 0.3g/cm
3～0.6g/cm
3, the inner port for electro-thermal cooker precast body of making, its apparent density is 0.3g/cm
3～0.7g/cm
3
6. according to the production method of claim 3 or 4 described inner port for electro-thermal cooker, it is characterized in that in step ⑵ that the apparent density of inner port for electro-thermal cooker base substrate is 1.43g/cm
3～1.75g/cm
3
7. according to the production method of claim 3 or 4 described inner port for electro-thermal cooker; it is characterized in that in step ⑶; described purifying is for to add wherein impurity of heat abstraction under vacuum or protective atmosphere condition, cleansing temp is 1800 ℃～2500 ℃, and soaking time is 2h～6h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010281068A CN101913897B (en) | 2010-09-14 | 2010-09-14 | Inner port for electro-thermal cooker and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010281068A CN101913897B (en) | 2010-09-14 | 2010-09-14 | Inner port for electro-thermal cooker and production method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101913897A true CN101913897A (en) | 2010-12-15 |
| CN101913897B CN101913897B (en) | 2012-10-17 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010281068A Active CN101913897B (en) | 2010-09-14 | 2010-09-14 | Inner port for electro-thermal cooker and production method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105455617A (en) * | 2016-01-04 | 2016-04-06 | 东莞劲胜精密组件股份有限公司 | Energy-saving carbon fiber pot and manufacturing method thereof |
| CN105686677A (en) * | 2014-11-25 | 2016-06-22 | 佛山市顺德区美的电热电器制造有限公司 | Inner pot for cooking utensil |
| CN105686676A (en) * | 2014-11-25 | 2016-06-22 | 佛山市顺德区美的电热电器制造有限公司 | Inner pot for cooking appliance |
| CN106145949A (en) * | 2016-08-12 | 2016-11-23 | 广东伊莱特电器有限公司 | The preparation technology of a kind of graphitic carbon material and apply the inner container of electric cooker of this technique |
| CN106747551A (en) * | 2016-12-20 | 2017-05-31 | 湖南金博碳素股份有限公司 | Carbon/carbon compound material inner pan of electric cooker preparation method based on carbon fiber powder |
| WO2017177666A1 (en) * | 2016-04-15 | 2017-10-19 | 佛山市顺德区美的电热电器制造有限公司 | Graphite pot and manufacturing method therefor |
| CN107296508A (en) * | 2016-04-15 | 2017-10-27 | 佛山市顺德区美的电热电器制造有限公司 | A kind of graphite pan and preparation method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105686677A (en) * | 2014-11-25 | 2016-06-22 | 佛山市顺德区美的电热电器制造有限公司 | Inner pot for cooking utensil |
| CN105686676A (en) * | 2014-11-25 | 2016-06-22 | 佛山市顺德区美的电热电器制造有限公司 | Inner pot for cooking appliance |
| CN105686676B (en) * | 2014-11-25 | 2020-04-03 | 佛山市顺德区美的电热电器制造有限公司 | Inner pot for cooking utensil |
| CN112190118A (en) * | 2014-11-25 | 2021-01-08 | 佛山市顺德区美的电热电器制造有限公司 | Inner pot for cooking utensil |
| CN105455617A (en) * | 2016-01-04 | 2016-04-06 | 东莞劲胜精密组件股份有限公司 | Energy-saving carbon fiber pot and manufacturing method thereof |
| WO2017177666A1 (en) * | 2016-04-15 | 2017-10-19 | 佛山市顺德区美的电热电器制造有限公司 | Graphite pot and manufacturing method therefor |
| CN107296508A (en) * | 2016-04-15 | 2017-10-27 | 佛山市顺德区美的电热电器制造有限公司 | A kind of graphite pan and preparation method thereof |
| RU2715544C1 (en) * | 2016-04-15 | 2020-02-28 | Фошань Шуньдэ Мидэа Электрикал Хитинг Эпплайенсиз Мануфэкчеринг Ко., Лимитед | Graphite pot and method of production thereof |
| CN107296508B (en) * | 2016-04-15 | 2020-12-15 | 佛山市顺德区美的电热电器制造有限公司 | Graphite pot and manufacturing method thereof |
| CN106145949A (en) * | 2016-08-12 | 2016-11-23 | 广东伊莱特电器有限公司 | The preparation technology of a kind of graphitic carbon material and apply the inner container of electric cooker of this technique |
| CN106747551A (en) * | 2016-12-20 | 2017-05-31 | 湖南金博碳素股份有限公司 | Carbon/carbon compound material inner pan of electric cooker preparation method based on carbon fiber powder |
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| Publication number | Publication date |
|---|---|
| CN101913897B (en) | 2012-10-17 |
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Address after: 413000 Hunan province Yiyang Yingbin Road No. 2 Patentee after: Hunan gold carbon Limited by Share Ltd Address before: 413000 Hunan province Yiyang Yingbin Road No. 2 Patentee before: Hunan KBCarbon Composite Science and Technology Co., Ltd. |