CN102826790A - Full-carbon pot and preparation method thereof - Google Patents
Full-carbon pot and preparation method thereof Download PDFInfo
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- CN102826790A CN102826790A CN201210311218XA CN201210311218A CN102826790A CN 102826790 A CN102826790 A CN 102826790A CN 201210311218X A CN201210311218X A CN 201210311218XA CN 201210311218 A CN201210311218 A CN 201210311218A CN 102826790 A CN102826790 A CN 102826790A
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Abstract
The invention relates to a full-carbon pot only containing powdered carbon and carbon adhesives and further relates to a preparation method of the full-carbon pot. The method includes the steps of powdered carbon preparation, mixing, body forming, adhesive carbonization and the like. The prepared full-carbon pot is low in specific weight, high in thermal conductivity coefficient and far-infrared performance, energy-saving, efficient, available to negative ion performance, longer in food refreshing time, cheap in raw materials, capable of achieving waste recovery, widely available to materials and great in environmental protection benefit. The preparation method of the full-carbon pot is convenient for processing, acceptable in processing conditions, high in yield and short in production cycle.
Description
Technical field
The present invention relates to a kind of full charcoal pot, also relate to the preparation method of the full charcoal pot of this kind.
Background technology
In recent years, the research of raw material of wood-charcoal material is extensive day by day, it is found that the raw material of wood-charcoal material has a lot of excellent characteristic; And also be applied to daily life gradually, various bamboo charcoal products also occurred on the market now, the bamboo charcoal bag is a porous of having utilized the raw material of wood-charcoal material; The good adsorption function is arranged, the dehumidifying deodorizing; Bamboo charcoal pillow is infrared function and a thermal conductivity of having utilized the raw material of wood-charcoal material, can the promoting blood circulation to restore menstrual flow network, health-care effect is arranged.Full charcoal pot of the present invention then is to have utilized raw material of wood-charcoal material proportion little, is merely about 20% of iron and steel; Thermal conductivity is high, is more than 4 times of cast iron; The far infrared performance makes the food heating fast, has more nutrition, efficient energy-saving; Anionic property is arranged, make the food fresh-keeping phase longer; Starting material are cheap, can utilization of waste material, draw materials extensively these characteristics that environmental benefit is big.
Application number is that 201110374082.2 Chinese patent discloses a kind of bamboo charcoal cooker and manufacture craft thereof; This bamboo charcoal cooker is made through steps such as preheating, moulding, roasting, polishing, sprayings by the powdered carbon matrix material; Because this bamboo charcoal cooker is processed by the powdered carbon matrix material, the powdered carbon matrix material comprises powdered carbon, pitch, high purity xylogen, sawdust, bamboo powder, sodium-chlor, nano level carbon powder and ethanol.Application number is that 201110219260.4 Chinese patent discloses a kind of carbon material forming method, comprises bamboo charcoal powder, forges coke powder, coking powder mixes through multistep, processes through moulding, roasting, drying again.More than two disclosed process methodes of patent all be adopt carbon composite to make, matrix material is the over-all properties that can improve material itself generally speaking, but since during the various powders mixing porousness of raw material of wood-charcoal material more obvious; Cause the density of pot little; Be not durable, easy deformation and seepage are in order to remedy this situation; So need carry out sealing of hole to the pot after the moulding when making handles; Perhaps need add more tackiness agents through repeatedly mix, oven dry, pulverization process, make the processing request of matrix material itself more increase, as carrying out the surface-sealing processing to idiosome with silicon sol in the disclosed polishing step of previous patent; And this processing comes off in the use of pot afterwards unavoidably easily, greatly the use properties of influence pot; Then the disclosed binder wt of patent is than being 15-40%, and mixings-oven dry-pulverising step just has four times more than, increases a lot of operations, increases cost, and product since adding much other powders make its density and intensity lower, performance still remains raising.
Summary of the invention
The present invention is directed to defective of the prior art, purpose provides a kind of full charcoal pot, and proportion is little, and thermal conductivity is high; The far infrared performance, efficient energy-saving has anionic property, makes the food fresh-keeping phase longer; Starting material are cheap, can utilization of waste material, to draw materials extensively, and environmental benefit is big.
Another object of the present invention provides the preparation method of the full charcoal pot of this kind, and easy to process, processing conditions is not harsh, and yield rate is high, and is with short production cycle.
In order to solve the problems of the technologies described above, the present invention is able to solve through following technical proposals:
A kind of full charcoal pot by weight percentage, comprises following component: powdered carbon 80～90%, tackiness agent 10～20%.Can also add small amount of plasticizer or releasing agent, but staple is powdered carbon and tackiness agent, and do not add other as sawdust, bamboo powder, carbon powders of composite parts, forge powders such as coke powder or coking powder.Perhaps, the powder of composite parts can improve some performance of powdered carbon, but their adding is equivalent to impurity component, influences the purity of powdered carbon; Cause the porousness of powdered carbon more obvious, need add the performance that more tackiness agent could guarantee the charcoal pot, and increase tackiness agent except increasing cost; Also can make after the step of charing tackiness agent; Form more space, the density of charcoal pot descends greatly, and intensity also descends greatly.So the present invention does not add the powder of composite parts, staple has only powdered carbon and tackiness agent, can guarantee the purity of powdered carbon like this; Uniform particles and tackiness agent mix fully, and needed tackiness agent just can significantly reduce under the equal conditions; Cost reduces greatly, and also obviously minimizing of the space that produces after the tackiness agent charing, and the density of charcoal pot and intensity can both raise greatly; And the charcoal pot smooth surface of processing, need not polishing.
As preferably, powdered carbon is bamboo charcoal powder or wood charcoal powder etc., and tackiness agent is a furane resin glue, and furane resin glue is one or more in furfuryl resin glue, furfuryl alcohol resin glue or the Phenol aldehyde resin.
As preferably, by weight percentage, only contain following component: powdered carbon 80～90%, tackiness agent 10～20%.
A kind of preparation method of full charcoal pot is made up of following step successively,
A. powdered carbon is made: after raw material is heated charing, be broken into the particle charcoal, with the high-temperature calcination of particle charcoal, the particle powdered carbon after will calcining then is broken into powdered carbon; Through the powdered carbon of high-temperature calcination, processing characteristics is good, and density and hardness is all very high; And need not add the powder of composite parts during processing charcoal pot, and generally all softer during powdered carbon forming process of the prior art, subside easily; Be difficult to moulding, need other powders of adding to serve as support and play a supporting role, to guarantee the fundamental strength of charcoal pot; And powdered carbon of the present invention need not add other powders, can directly be processed into the high charcoal pot of intensity;
B. mix: with powdered carbon that crushes and tackiness agent, be powdered carbon 80～90% and tackiness agent 10～20% by weight percentage, mix, obtain prefabricated material; Owing to have only powdered carbon and tackiness agent, mix easily, highly beneficial to post-treatment, prefabricated material does not need preheating in this step, can straight forming after the mixing, and also the full charcoal pot of processing also can increase ADHESION OF PAINTS power greatly;
C. moulding idiosome: prefabricated material is poured in the mould of preheating, the matched moulds extrusion forming, the demoulding obtains the idiosome of hard then;
D. charing tackiness agent: the idiosome heating with obtaining, make the tackiness agent charing, cooling obtains the full charcoal pot of finished product then; Idiosome of the prior art all will keep together cooling off with mould under the vacuum state in mould, and generally all want about 72h cooling time; Otherwise the charcoal pot intensity of processing is difficult to guarantee that yield rate is not high, and charcoal pot of the present invention is owing to be that pure powdered carbon is made; At tackiness agent charing postcooling, only need 8～12h, shortened the production cycle greatly; Manufacturing procedure is compact, has further shortened the production cycle, reduces cost.
As preferably, the raw material in the steps A is bamboo or wood etc., and carbonization temperature is 700～1000 ℃, and the particle diameter of particle charcoal is 1～1.5cm, and calcining temperature is 2300～2800 ℃, and the particle diameter of powdered carbon is 50～200 orders.
As preferably, the mold preheating temperature among the step C is 100～250 ℃, and dwell pressure is 70～150 tons, and the dwell time is 5～15min.
As preferably, the tackiness agent carbonization temperature among the step D is 700～1500 ℃, and be 8～12h cooling time.
The present invention provides a kind of full charcoal pot, and proportion is little, is merely about 20% of iron and steel; Thermal conductivity is high, is more than 4 times of cast iron; The far infrared performance makes the food heating fast, has more nutrition, efficient energy-saving; Anionic property is arranged, make the food fresh-keeping phase longer; Starting material are cheap, can utilization of waste material, to draw materials extensively, and environmental benefit is big; The present invention also provides the preparation method of the full charcoal pot of this kind, and easy to process, processing conditions is not harsh, and yield rate is high, and is with short production cycle.
Embodiment
Describe in further detail below in conjunction with 1 to 4 couple of the present invention of embodiment, and utilize the The performance test results of the charcoal pot that prior art processes to further specify the performance of the full charcoal pot of processing among the present invention in full charcoal pot of processing through embodiment 1 to 4 and the Comparative Examples.In following examples 1 to 4 and Comparative Examples, to proportion, voidage, ultimate compression strength, folding strength, the thermal conductivity of full charcoal pot or charcoal pot, tested by thermal uniformity, erosion resistance, check full charcoal pot of the present invention whether up to standard, meet the requirement of pan.
Embodiment 1
A kind of full charcoal pot by weight percentage, comprises following component: powdered carbon 85%, tackiness agent 13%; Softening agent, 1% with releasing agent 1%, wherein powdered carbon is a bamboo charcoal powder; Tackiness agent is a Phenol aldehyde resin, is specially alkalescent phenol resin, is yellow, dark-brown liquid; Have high thermal resistance,, also can keep the globality and the size stability of its structure even under very high temperature.Just because of this reason, resol makes the full charcoal Cooker structure of processing stable as the tackiness agent of full charcoal pot, and intensity is big, and is firm in structure, and long service life need not add other powders as support.And resol also has high carbon residue rate; Be approximately in temperature under 1000 ℃ the inert gas conditions, resol can produce very high carbon residue, and this helps keeping the structural stability of resol; That is to say; The space that produces after the tackiness agent charing seldom, so that the density and the intensity of full charcoal pot are enough big, firm in structure.In addition, softening agent is DBP, i.e. Witcizer 300, and the flexibility when helping to increase batch mixes, thus make idiosome be easy to moulding more; Releasing agent is a silicone resin, to increase the oilness of product, is easy to the demoulding, owing to big friction or pull and damage full charcoal pot, influences the mechanical property of product when avoiding product from mould, to deviate from.
The preparation method is made up of following step successively:
A. powdered carbon is made: after raw material was heated to 1000 ℃ of charings, raw material was a bamboo, and being broken into particle diameter is the particle charcoal of 1cm, and with the high-temperature calcination of particle charcoal, calcining temperature is 2600 ℃, and it is 150 purpose powdered carbons that the particle powdered carbon after will calcining then is broken into particle diameter;
B. mix: powdered carbon that crushes and tackiness agent are mixed, obtain prefabricated material;
C. moulding idiosome: with mold heated to 200 ℃ preheating, prefabricated material is poured in the mould of preheating, the matched moulds extrusion forming, dwell pressure is 120 tons, and the dwell time is 10min, and the demoulding obtains the idiosome of hard then;
D. charing tackiness agent: the idiosome heating with obtaining, make the tackiness agent charing, need under vacuum environment, not carry out, carbonization temperature is 1500 ℃, be 12h cooling time, obtains the full charcoal pot of finished product.
Then, test full charcoal pot proportion, voidage, ultimate compression strength, folding strength, thermal conductivity, receive thermal uniformity, erosion resistance, in table 1, listed test result.
Embodiment 2
A kind of full charcoal pot by weight percentage, only comprises following component: powdered carbon 88%, and tackiness agent 12%, wherein powdered carbon is a wood charcoal powder, tackiness agent still is like embodiment 1 described alkalescent phenol resin.
Preparing method's step and embodiment 1 are basic identical, and its difference is:
Raw material in the steps A is wooden, and carbonization temperature is 750 ℃, and the particle diameter of particle charcoal is 1.5cm, and calcining temperature is 2300 ℃, and the particle diameter of powdered carbon is 100 orders;
Mold preheating temperature among the step C is 150 ℃, and dwell pressure is 70 tons, and the dwell time is 5min.
Tackiness agent carbonization temperature among the step D is 1000 ℃, and be 8h cooling time.
Then, test full charcoal pot proportion, voidage, ultimate compression strength, folding strength, thermal conductivity, receive thermal uniformity, erosion resistance, in table 1, listed test result.
Embodiment 3
A kind of full charcoal pot by weight percentage, only comprises following component: powdered carbon 80%, and tackiness agent 20%, wherein powdered carbon is a wood charcoal powder, tackiness agent is furfuryl resin glue, i.e. furfuryl resin.
Preparing method's step and embodiment 1 are basic identical, and its difference is:
Raw material in the steps A is wooden, and carbonization temperature is 700 ℃, and the particle diameter of particle charcoal is 1.3cm, and calcining temperature is 2800 ℃, and the particle diameter of powdered carbon is 50 orders;
Mold preheating temperature among the step C is 100 ℃, and dwell pressure is 150 tons, and the dwell time is 15min.
Tackiness agent carbonization temperature among the step D is 700 ℃, and be 10h cooling time.
Then, test full charcoal pot proportion, voidage, ultimate compression strength, folding strength, thermal conductivity, receive thermal uniformity, erosion resistance, in table 1, listed test result.
Embodiment 4
A kind of full charcoal pot by weight percentage, only comprises following component: powdered carbon 90%, and tackiness agent 10%, wherein powdered carbon is a bamboo charcoal powder, tackiness agent is the mixture of furfuryl alcohol resin glue and Phenol aldehyde resin.
Preparing method's step and embodiment 1 are basic identical, and its difference is:
Carbonization temperature in the steps A is 850 ℃, and calcining temperature is 2500 ℃, and the particle diameter of powdered carbon is 200 orders;
Mold preheating temperature among the step C is 250 ℃, and dwell pressure is 100 tons, and the dwell time is 8min.
Tackiness agent carbonization temperature among the step D is 1300 ℃, and be 10h cooling time.
Then, test full charcoal pot proportion, voidage, ultimate compression strength, folding strength, thermal conductivity, receive thermal uniformity, erosion resistance, in table 1, listed test result.
Comparative Examples
A kind of charcoal pot of prior art by weight percentage, is processed by following component: powdered carbon 49%, pitch 30%, sawdust 10%, nano level carbon powder 10% and ethanol 1%; It is temperature required to utilize the preliminary heating device preheating that above-mentioned powdered carbon matrix material is preheated to, and pours into then in the mould of preheating on the shaper, and the hot pressing aftershaping goes out idiosome; Extremely temperature required with vacuum baking stove roasting idiosome; Cooling then, the idiosome after polishing is fired are to smooth surface, with the good idiosome of paint spay-coating polishing; Dry then, process the charcoal pot.
Then, proportion, voidage, ultimate compression strength, folding strength, the thermal conductivity of test charcoal pot, receive thermal uniformity, erosion resistance, in table 1, listed test result.
Proportion, voidage, ultimate compression strength, folding strength, the thermal conductivity of the full charcoal pot of embodiment 1 to 4 and Comparative Examples or charcoal pot in the following table 1, explained by the test data of thermal uniformity, erosion resistance; No matter on single performance; Still on over-all properties; The full charcoal pot that the present invention processes all obviously is superior to the charcoal pot that Comparative Examples is processed, so a kind of full charcoal pot of the present invention and preparation method thereof has a good application prospect in the pan technical field.
Table 1
Explain: the unit of proportion whenever opens for watt every meter for every cubic metre of ton, the unit of thermal conductivity, and the unit of ultimate compression strength and folding strength is MPa.Data can be known from table 1, and embodiment 1 to 4 proportion is bigger than Comparative Examples, and voidage is much littler than Comparative Examples, and the carbon yield of tackiness agent is than the height of Comparative Examples behind the full charcoal pot roasting that illustrative embodiment 1 to 4 makes, and density is more big, and structure is than solid; Also can be confirmed from the contrast of ultimate compression strength and folding strength, the ultimate compression strength of embodiment 1 to 4 and folding strength are all obviously big than Comparative Examples, explain that mechanical property is than the obvious excellence of Comparative Examples; The height of the thermal conductivity ratio Comparative Examples of embodiment 1 to 4 is heated evenly, and Comparative Examples is heated inhomogeneous, the thermal conductivity of illustrative embodiment 1 to 4 with receive the thermal uniformity leaf obviously to be superior to Comparative Examples; Erosion resistance and the Comparative Examples of embodiment 1 to 4 are suitable, all can fine acid-alkali-corrosive-resisting.
In sum, full charcoal pot mechanical property and heat conductivility that the present invention makes all have made marked progress than charcoal pot of the prior art, and the charcoal pot of corrosion resistance and prior art is suitable.
In a word, the above is merely preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (7)
1. a full charcoal pot is characterized in that: by weight percentage, comprise following component: powdered carbon 80～90%, tackiness agent 10～20%.
2. a kind of full charcoal pot according to claim 1, it is characterized in that: powdered carbon is bamboo charcoal powder or wood charcoal powder etc., and tackiness agent is a furane resin glue, and furane resin glue is one or more in furfuryl resin glue, furfuryl alcohol resin glue or the Phenol aldehyde resin.
3. a kind of full charcoal pot according to claim 1 is characterized in that: by weight percentage, only contain following component: powdered carbon 80～90%, tackiness agent 10～20%.
4. the preparation method of a full charcoal pot is characterized in that: forms by following step successively,
A. powdered carbon is made: after raw material is heated charing, be broken into the particle charcoal, with the high-temperature calcination of particle charcoal, the particle powdered carbon after will calcining then is broken into powdered carbon;
B. mix: with powdered carbon that crushes and tackiness agent, be powdered carbon 80～90% and tackiness agent 10～20% by weight percentage, mix, obtain prefabricated material;
C. moulding idiosome: prefabricated material is poured in the mould of preheating, the matched moulds extrusion forming, the demoulding obtains the idiosome of hard then;
D. charing tackiness agent: the idiosome heating with obtaining, make the tackiness agent charing become charcoal, cooling obtains the full charcoal pot of finished product then.
5. the preparation method of a kind of full charcoal pot according to claim 4; It is characterized in that: the raw material in the steps A is bamboo or wood etc., and carbonization temperature is 700～1000 ℃, and the particle diameter of particle charcoal is 1～1.5cm; Calcining temperature is 2300～2800 ℃, and the particle diameter of powdered carbon is 50～200 orders.
6. the preparation method of a kind of full charcoal pot according to claim 4 is characterized in that: the mold preheating temperature among the step C is 100～250 ℃, and dwell pressure is 70～150 tons, and the dwell time is 5～15min.
7. the preparation method of a kind of full charcoal pot according to claim 6 is characterized in that: the tackiness agent carbonization temperature among the step D is 700～1500 ℃, and be 8～12h cooling time.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107365154A (en) * | 2017-08-28 | 2017-11-21 | 程安娜 | Life carbon material process is manufactured with the machining chips of graphitization carbon |
| CN108623304A (en) * | 2018-07-20 | 2018-10-09 | 中山市万顺智能家居有限公司 | The production method of pot in a kind of carbon materials matter of electric food warmer |
| CN117342872A (en) * | 2023-10-07 | 2024-01-05 | 浙江天喜厨电股份有限公司 | Bamboo charcoal pot and manufacturing method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102050441A (en) * | 2011-01-14 | 2011-05-11 | 浙江民心生态科技有限公司 | Production method of biomass charcoal product |
| CN102408104A (en) * | 2011-08-02 | 2012-04-11 | 杭州福康炊具有限公司 | Carbon material shaping method |
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2012
- 2012-08-29 CN CN201210311218XA patent/CN102826790A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102050441A (en) * | 2011-01-14 | 2011-05-11 | 浙江民心生态科技有限公司 | Production method of biomass charcoal product |
| CN102408104A (en) * | 2011-08-02 | 2012-04-11 | 杭州福康炊具有限公司 | Carbon material shaping method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107365154A (en) * | 2017-08-28 | 2017-11-21 | 程安娜 | Life carbon material process is manufactured with the machining chips of graphitization carbon |
| CN108623304A (en) * | 2018-07-20 | 2018-10-09 | 中山市万顺智能家居有限公司 | The production method of pot in a kind of carbon materials matter of electric food warmer |
| CN117342872A (en) * | 2023-10-07 | 2024-01-05 | 浙江天喜厨电股份有限公司 | Bamboo charcoal pot and manufacturing method thereof |
| CN117342872B (en) * | 2023-10-07 | 2024-05-07 | 浙江天喜厨电股份有限公司 | Bamboo charcoal pot and manufacturing method thereof |
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Application publication date: 20121219 |