CN106086763A - Pan and preparation method thereof - Google Patents
Pan and preparation method thereof Download PDFInfo
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- CN106086763A CN106086763A CN201610430395.8A CN201610430395A CN106086763A CN 106086763 A CN106086763 A CN 106086763A CN 201610430395 A CN201610430395 A CN 201610430395A CN 106086763 A CN106086763 A CN 106086763A
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- intermediate layer
- pan
- sticking lining
- pot body
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
-
- 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
- A47J27/00—Cooking-vessels
- A47J27/002—Construction of cooking-vessels; Methods or processes of manufacturing specially adapted for cooking-vessels
-
- 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
- A47J36/025—Vessels with non-stick features, e.g. coatings
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Cookers (AREA)
Abstract
The invention provides a kind of pan and preparation method thereof, this pan includes: pot body, intermediate layer and non-sticking lining, and intermediate layer is attached on the internal face of pot body, and the composition in intermediate layer includes chromic oxide and magnesium oxide；Non-sticking lining is attached in the aspect in intermediate layer.The pan that the present invention provides, by Cr2O3Fine and close with the intermediate layer internal structure that MgO is formed, there is the lowest porosity, and Cr2O3With MgO two oxides, there is higher hardness, excellent wear-resistant and decay resistance, significantly reduce the deflection under action of compressive stress of whole non-sticking lining, make non-sticking lining be not easy appearance strained, by long-term stress, the fatigue damage caused and come off, it is obviously improved the service life of whole non-sticking lining, significantly alleviate the fatigue damage degree of non-sticking lining, it is greatly prolonged the service life of non-sticking lining, promotes stability in use and the health of pan.
Description
Technical field
The present invention relates to kitchen utensils field, more specifically, relate to a kind of pan and and preparation method thereof.
Background technology
The non-sticking lining on current aluminium product (electric cooker or inner container of electric pressure cooker, bakeware, pan-fried frying pan etc.) surface is big
Many selection water-based fluororesin coating, it mainly by carrying out the process sides such as anodic oxidation or the sandblasting of routine to pan surface
Formula, improves the hardness of matrix surface, and then sprays PTFE (politef) or PFA (tetrafluoroethylene-perfluoro alkoxy vinyl
Ether copolymer) coating, form non-sticking lining, these fluor resin non-stick coatings are because of the grading electrode alumina layer bottom it or sanding
The hardness of layer is relatively low, wearability is poor, causes non-sticking lining easily to occur bigger strain deformation under action of compressive stress, and
Whole non-sticking lining is easier occur that stress fatigue is damaged, and causes non-sticking lining in use for some time, because cleaning scraping
Problems such as coming off occurs etc. reason, is substantially reduced the life-span of whole non-sticking lining.
Summary of the invention
It is contemplated that at least solve one of technical problem present in prior art.
To this end, the purpose of one aspect of the present invention is to provide a kind of pan.
The purpose of another aspect of the present invention is to provide a kind of preparation method for preparing above-mentioned pan.
For achieving the above object, the embodiment of the first aspect of the invention provides a kind of pan, including: pot body；
Intermediate layer, is attached on the internal face of described pot body, and the composition in described intermediate layer includes chromic oxide and magnesium oxide；No
Adhesive coating layer, is attached in the aspect in described intermediate layer.
The pan that the above embodiment of the present invention provides, sets up intermediate layer, at the layer in intermediate layer on the internal face of pot body
Setting up non-sticking lining, i.e. intermediate layer on face between pot body and non-sticking lining, intermediate layer is by including chromic oxide
(Cr2O3) and the mixture of magnesium oxide (MgO) make, owing to intermediate layer internal structure is fine and close, there is the lowest porosity, and
Cr2O3With MgO two oxides, there is higher hardness, excellent wear-resistant and decay resistance, it is possible to significantly reduce not snearing
The deflection under action of compressive stress of layer so that non-sticking lining is not easy the fatigue damage occurring being produced by long-term stress strain
With come off, reduce non-sticking lining fatigue damage degree, hence it is evident that promote non-sticking lining service life；And the thermal conductivity phase of MgO
To higher, it is favorably improved the heat conductivity of whole intermediate oxide layer 20, improves the pan being heated evenly property in heating process.
Preferably, described pot body is made up of aluminum or aluminum alloy.
In the present invention, the pan of preparation can be used for the interior pot of electric cooker or electric pressure cooking saucepan, it may also be used for bakeware or pan-fried frying pan
Deng.
It addition, the pan that the above embodiment of the present invention provides also has a following additional technical feature:
In technique scheme, it is preferable that the thickness in described intermediate layer is 20 μm～70 μm.
In above-described embodiment, by the THICKNESS CONTROL in intermediate layer in the range of 20 μm～70 μm, intermediate layer can either be ensured
And the adhesion between non-sticking lining, intermediate layer and pot body, again it can be avoided that the excessive cost causing pan of intermediate layer thickness
Situation about raising occurs.
The embodiment of second aspect of the present invention provides the preparation method of a kind of pan, is used for preparing any of the above-described embodiment
Described pan, the preparation method of described pan includes: use the method for plasma spraying will include chromic oxide and oxidation
The mixture of magnesium is sprayed on the internal face of described pot body, to prepare intermediate layer on described pot body；In described intermediate layer
Aspect on prepare non-sticking lining.
The preparation method of the pan that the above embodiment of the present invention provides, using plasma spraying technology is in pot body
On wall, spraying includes chromic oxide (Cr2O3) and the mixture of magnesium oxide (MgO), to form intermediate layer on pot body, then
The aspect in intermediate layer is prepared non-sticking lining, concrete, use Cr2O3With the mixed-powder of MgO as sprayed on material, by
Supersonic speed metal spray by plasma equipment, mixed-powder is heated as under the plasma-arc effect within spray gun melted or
Semi-molten state, and under the protection and auxiliary of high velocity air, spray to the internal face of pot body to be sprayed uniformly, in formation
Interbed.
Wherein, the preparation of supersonic speed plasma spray coating Cr is included2O3With MgO constitute wear-resisting oxide skin(coating) as centre
Layer, the wear-resisting interlayer surfaces of this nano-oxide has certain roughness, it is ensured that have good adhesion with non-sticking lining,
And this intermediate layer internal structure is fine and close, has the lowest porosity, Cr2O3With MgO two oxides, there is higher hardness, excellent
Good wear-resistant and decay resistance, can significantly reduce non-sticking lining deflection under action of compressive stress so that non-sticking lining
It is not easy appearance strained, by long-term stress, the fatigue damage caused and come off, reduces the fatigue damage degree of non-sticking lining, hence it is evident that
Promote the service life of whole non-sticking lining, the final security performance promoting non-sticking lining, consumer can be catered to product is not glued
The series demands such as coating is safe and healthy, durable, can either ensure the plurality of advantages of non-sticking lining, can overcome again in correlation technique
The hardness such as anodic oxidation aluminum middle layer inside non-sticking lining or stress peening layer is relatively low, and non-sticking lining is the easiest
Deformation and fatigue damage, and then cause the problems such as the easy ablation of non-sticking lining；It addition, the thermal conductivity of MgO is of a relatively high, have
Help improve the heat conductivity of whole intermediate oxide layer, improve the pan being heated evenly property in heating process.
In a specific embodiment, the porosity in this intermediate layer is less than 5%, and microhardness is up to 900～1400HV,
Adhesion is 25～40Mpa.
In technique scheme, it is preferable that in described mixture, the mass fraction of described chromic oxide be 70%～
90%.
In above-described embodiment, mixture is by Cr2O3Form with MgO, wherein, Cr2O3Mass fraction be 70%～90%,
The mass fraction of corresponding MgO is 30%～10%, by this Cr2O3The intermediate layer prepared with MgO, has extremely low voidage, relatively
High hardness, excellent wear-resistant and decay resistance, and at Cr2O3After a small amount of MgO of middle addition, it is possible to significantly improve pan
Heat conductivility, improves the uniformity being heated everywhere in pan heating process.Certainly, except Cr2O3Outside with MgO, all right in mixture
Comprise one or more other materials.
In technique scheme, it is preferable that the mean diameter of described chromic oxide is 10 μm～40 μm；Described magnesium oxide
Mean diameter be 10 μm～40 μm.
In above-described embodiment, by Cr2O3All control in the range of 10 μm～40 μm with the mean diameter of MgO, it is simple to use
The technology of plasma spraying.
The concrete technology parameter of plasma spraying is: spraying current is 400～650A, and spray voltage is 60～150V, argon
Throughput is 4～8m3/ h, nitrogen flow is 1.5～2.5m3/ h, hydrogen flowing quantity is 1～2m3/ h, powder feeding rate is 2～4kg/h,
Spray distance is 100～250mm.
In technique scheme, it is preferable that the preparation method of described pan also includes: before preparing described intermediate layer,
The internal face of described pot body is carried out blasting treatment.
In above-described embodiment, use automatic sand-blasting machine that the internal face of pot body is carried out blasting treatment, make the interior of pot body
Form rough structure on wall, so can increase in the contact area between intermediate layer and pot body, and then increase
Adhesion between interbed and pot body, thus reduce further the probability that non-sticking lining comes off；Preferably, blasting treatment
After, use air-flow to be blown clean by the trickle grit that the internal face of the pot body after blasting treatment adheres to, it is ensured that the inwall of pot body
The cleaning in face, in order to the attachment in intermediate layer.
Preferably, before blasting treatment, the internal face of pot body is carried out degreasing degreasing process, removes the greasy dirt of internal face
Deng impurity, improve the cleannes of internal face.
In technique scheme, it is preferable that after blasting treatment, the roughness of the internal face of described pot body is 60 μm～80
μm。
In above-described embodiment, the roughness of the internal face of pot body is not less than 60 μm, it is possible to avoids roughness too small and rises
Effect less than the adhesion improved between intermediate layer and pot body；Roughness is set and is not more than 80 μm, it is possible to avoid roughness
The excessive situation causing pot bulk strength seriously to reduce occurs.
In technique scheme, it is preferable that after blasting treatment, before preparing described intermediate layer, the preparation of described pan
Method also includes: the internal face of described pot body is carried out the pre-heat treatment, and wherein, the treatment temperature of described the pre-heat treatment is 150
DEG C～200 DEG C, handling duration is 2min～3min.
In above-described embodiment, the internal face of pot body is carried out the pre-heat treatment, it is possible to reduce spray coated in plasma heat
The thermal stress produced in journey (process in preparation intermediate layer), improves the adhesion in intermediate layer and the internal face of pot body.
Certainly, it will be understood by those of skill in the art that the roughness of internal face of pot body, pot body after blasting treatment
Preheating temperature, preheating duration be not limited to above-mentioned occurrence, can be adjusted as required in actual production process.
In technique scheme, it is preferable that prepare non-sticking lining in the aspect in described intermediate layer and specifically include: described
Spray fluorine resin coating in the aspect in intermediate layer, form described non-sticking lining.
Preferably, the water-based fluororesin coating that spray sintering is made up of base oil dough-making powder oil on the intermediate layer, specifically, in
Base oil is sprayed in the aspect of interbed, spray-coating surface oil in the aspect of base oil, form non-sticking lining, it is preferable that the thickness of non-sticking lining
Degree is 20 μm～35 μm, both can guarantee that the service life of non-sticking lining, is avoided that again the excessive pan caused of non-sticking lining thickness
The problem that cost raises.
In technique scheme, it is preferable that spray fluorine resin coating in the aspect in described intermediate layer, do not glue described in formation
Before coating, the preparation method of described pan also includes: described intermediate layer is carried out ungrease treatment；Described in after ungrease treatment
Intermediate layer carries out drying and processing, and wherein, drying temperature is 100 DEG C～200 DEG C.
Additional aspect and the advantage of the present invention will become obvious in following description part, or by the practice of the present invention
Recognize.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage are from combining the accompanying drawings below description to embodiment and will become
Substantially with easy to understand, wherein:
Fig. 1 is the sectional structure schematic diagram of the pan described in embodiments of the invention；
Fig. 2 is the structure for amplifying schematic diagram in A portion in Fig. 1；
Fig. 3 is the flow chart of the preparation method of the pan described in embodiments of the invention one；
Fig. 4 is the flow chart of the preparation method of the pan described in embodiments of the invention two.
Wherein, in Fig. 1 and Fig. 2, corresponding relation between reference and component names is:
10 pots of bodies, 20 intermediate layers, 30 non-sticking linings.
Detailed description of the invention
In order to be more clearly understood that the above-mentioned purpose of the present invention, feature and advantage, real with concrete below in conjunction with the accompanying drawings
The present invention is further described in detail by mode of executing.It should be noted that in the case of not conflicting, the enforcement of the application
Feature in example and embodiment can be mutually combined.
Elaborate a lot of detail in the following description so that fully understanding the present invention, but, the present invention also may be used
Implementing to use other to be different from mode described here, therefore, protection scope of the present invention is not by following public tool
The restriction of body embodiment.
Pan according to some embodiments of the invention and preparation method thereof is described with reference to the accompanying drawings.
As depicted in figs. 1 and 2, the embodiment of the first aspect of the invention provides a kind of pan, including pot body 10,
Intermediate layer 20 and non-sticking lining 30, wherein, intermediate layer 20 is attached on the internal face of pot body 10, and the composition in intermediate layer 20 includes
Chromic oxide and magnesium oxide；Non-sticking lining 30 is attached in the aspect in intermediate layer 20.
The pan that the above embodiment of the present invention provides, sets up intermediate layer 20, in intermediate layer on the internal face of pot body 10
Setting up non-sticking lining 30 in the aspect of 20, i.e. intermediate layer 20 is between pot body 10 and non-sticking lining 30, and intermediate layer 20 is by wrapping
Include chromic oxide (Cr2O3) and the mixture of magnesium oxide (MgO) make, owing to intermediate layer 20 internal structure is fine and close, have the lowest
Porosity, and Cr2O3With MgO two oxides, there is higher hardness, excellent wear-resistant and decay resistance, it is possible to aobvious
Write and reduce the non-sticking lining 30 deflection under action of compressive stress so that non-sticking lining 30 is not allowed under long-term stress effects of strain
Fatigue damage easily occur and comes off, reducing the fatigue damage degree of non-sticking lining 30, hence it is evident that promoting the use longevity of non-sticking lining 30
Life；And the thermal conductivity of MgO is of a relatively high, it is favorably improved the heat conductivity of whole intermediate oxide layer 20, improves pan in heating
During being heated evenly property.
Preferably, described pot body 10 is made up of aluminum or aluminum alloy.
In the present invention, the pan of preparation can be used for the interior pot of electric cooker or electric pressure cooking saucepan, it may also be used for bakeware or pan-fried frying pan
Deng.
Preferably, the thickness in intermediate layer 20 is 20 μm～70 μm.
In above-described embodiment, by the THICKNESS CONTROL in intermediate layer 20 in the range of 20 μm～70 μm, centre can either be ensured
Adhesion between layer 20 and non-sticking lining 30, intermediate layer 20 and pot body 10, again it can be avoided that intermediate layer 20 thickness is excessive leads
Cause the situation generation that the cost of pan raises.
The embodiment of second aspect of the present invention provides the preparation method of a kind of pan, is used for preparing any of the above-described enforcement
Pan described in example, describes the preparation method of the present invention below in conjunction with some specific embodiments.
Embodiment one:
As it is shown on figure 3, the preparation method of pan includes:
Step S100, uses the method for plasma spraying that the mixture including chromic oxide and magnesium oxide is sprayed on pot
On the internal face of body 10, to prepare intermediate layer 20 on pot body 10；
Step S102, prepares non-sticking lining 30 in the aspect in intermediate layer 20.
The preparation method of the pan that above-described embodiment provides, using plasma spraying technology is at the internal face of pot body 10
Upper spraying includes Cr2O3With the mixture of MgO, to form intermediate layer 20 on pot body 10, then make in the aspect in intermediate layer 20
Standby non-sticking lining 30, concrete, use Cr2O3With the mixed-powder of MgO as sprayed on material, by supersonic speed plasma-arc
Spraying equipment, is heated as mixed-powder under the plasma-arc effect within spray gun melting or semi-molten state, and
Spray to the internal face of pot body 10 to be sprayed under the protection of high velocity air and auxiliary uniformly, form intermediate layer 20.
Wherein, the preparation of supersonic speed plasma spray coating Cr is included2O3With MgO constitute wear-resisting oxide skin(coating) as centre
Layer 20, surface, this nano-oxide wear-resisting intermediate layer 20 has certain roughness, it is ensured that have good with non-sticking lining 30
Adhesion, and this intermediate layer 20 internal structure is fine and close, has the lowest porosity, Cr2O3Have higher with MgO two oxides
Hardness, excellent wear-resistant and decay resistance, the non-sticking lining 30 deflection under action of compressive stress can be significantly reduced, make
Non-sticking lining 30 is not easy to occur by the long-term stress fatigue damage that causes of strain and come off, reduce the fatigue of non-sticking lining 30
Degree of injury, hence it is evident that promote the service life of whole non-sticking lining 30, the final security performance promoting non-sticking lining 30, can cater to
The series demands such as consumer is safe and healthy to product non-sticking lining 30, durable, can either ensure the many excellent of non-sticking lining 30
Point, can overcome again in correlation technique the hardness such as the anodic oxidation aluminum middle layer 20 inside non-sticking lining 30 or stress peening layer relatively
Low, non-sticking lining 30 is easily deformed and fatigue damage under stress conditions, and then causes the easy ablation of non-sticking lining 30 etc.
Problem, promotes stability and health that pan uses；It addition, the thermal conductivity of MgO is of a relatively high, it is favorably improved whole oxidation
The heat conductivity in thing intermediate layer 20, improves the pan being heated evenly property in heating process.
In a specific embodiment, the porosity in this intermediate layer 20 be less than 5%, microhardness be up to 900～
1400HV, adhesion is 25～40Mpa.
Preferably, in the mixture, the mass fraction of chromic oxide is 70%～90%.
In above-described embodiment, mixture is by Cr2O3Form with MgO, wherein, Cr2O3Mass fraction be 70%～90%,
The mass fraction of corresponding MgO is 30%～10%, by this Cr2O3The intermediate layer 20 prepared with MgO, have extremely low porosity,
Higher hardness, excellent wear-resistant and decay resistance, and at Cr2O3After a small amount of MgO of middle addition, it is possible to significantly improve pan
Heat conductivility, improve in pan heating process the uniformity being heated everywhere.Certainly, except Cr2O3Outside with MgO, mixture also may be used
To comprise one or more other materials.
Preferably, the mean diameter of chromic oxide is 10 μm～40 μm；The mean diameter of magnesium oxide is 10 μm～40 μm.
In above-described embodiment, by Cr2O3All control in the range of 10 μm～40 μm with the mean diameter of MgO, it is simple to use
The technology of plasma spraying.
Preferably, the thickness in intermediate layer 20 is 20 μm～70 μm.
In above-described embodiment, by the THICKNESS CONTROL in intermediate layer 20 in the range of 20 μm～70 μm, centre can either be ensured
Adhesion between layer 20 and non-sticking lining 30, intermediate layer 20 and pot body 10, again it can be avoided that intermediate layer 20 thickness is excessive leads
Cause the situation generation that the cost of pan raises.
The concrete technology parameter of plasma spraying is: spraying current is 400～650A, and spray voltage is 60～150V, argon
Throughput is 4～8m3/ h, nitrogen flow is 1.5～2.5m3/ h, hydrogen flowing quantity is 1～2m3/ h, powder feeding rate is 2～4kg/h,
Spray distance is 100～250mm.
Preferably, the aspect in intermediate layer 20 is prepared non-sticking lining 30 to specifically include: spray in the aspect in intermediate layer 20
It is coated with fluorine resin coating, forms non-sticking lining 30.
Preferably, the water-based fluororesin coating that spray sintering is made up of base oil dough-making powder oil on intermediate layer 20, specifically,
Base oil is sprayed in the aspect in intermediate layer 20, spray-coating surface oil in the aspect of base oil, form non-sticking lining 30, it is preferable that not snearing
The thickness of layer 30 is 20 μm～35 μm, both can guarantee that the service life of non-sticking lining 30, and had been avoided that again non-sticking lining 30 thickness mistake
The problem that the pan cost caused greatly raises.
Embodiment two:
As shown in Figure 4, the preparation method of pan includes:
Step S200, carries out degreasing degreasing process to the internal face of pot body 10；
Step S202, carries out blasting treatment to the internal face of pot body 10；
Step S204, carries out the pre-heat treatment to the internal face of pot body 10, and wherein, the treatment temperature of the pre-heat treatment is 150
DEG C～200 DEG C, handling duration is 2min～3min；
Step S206, uses the method for plasma spraying that the mixture including chromic oxide and magnesium oxide is sprayed on pot
On the internal face of body 10, to prepare intermediate layer 20 on pot body 10；
Step S208, carries out ungrease treatment to intermediate layer 20；
Step S210, carries out drying and processing to intermediate layer 20, and wherein, drying temperature is 100 DEG C～200 DEG C；
Step S212, prepares non-sticking lining 30 in the aspect in intermediate layer 20.
In above-described embodiment, it is preferable that before blasting treatment, the internal face of pot body 10 is carried out degreasing degreasing process,
The impurity such as the greasy dirt of removal internal face, improve the cleannes of internal face.The internal face of pot body 10 is carried out blasting treatment, makes pot
Form rough structure on the internal face of body 10, so can increase the contact surface between intermediate layer 20 and pot body 10
Long-pending, and then increase the adhesion between intermediate layer 20 and pot body 10, thus reduce further the probability that non-sticking lining comes off；
Preferably, after blasting treatment, air-flow is used to be blown clean by the trickle grit that the internal face of the pot body 10 after blasting treatment adheres to,
Ensure the cleaning of the internal face of pot body 10, in order to the attachment in intermediate layer 20.
Preferably, after blasting treatment, the roughness of the internal face of pot body 10 is 60 μm～80 μm.
The roughness of the internal face of pot body 10 is not less than 60 μm, it is possible to avoids roughness too small and does not has in the middle of raising
The effect of the adhesion between layer 20 and pot body 10；Roughness is set and is not more than 80 μm, it is possible to avoid that roughness is excessive to be caused
The situation that pot body 10 intensity seriously reduces occurs.
Preferably, the internal face of pot body 10 is carried out the pre-heat treatment, it is possible to reduce in plasma thermal spray process (system
The process in standby intermediate layer 20) the middle thermal stress produced, improves the adhesion in intermediate layer 20 and the internal face of pot body 10.
Certainly, after it will be understood by those of skill in the art that blasting treatment, the roughness of internal face of pot body 10, pot are originally
The preheating temperature of body 10, preheating duration are not limited to above-mentioned occurrence, can adjust as required in actual production process
Whole.
In embodiment two, in addition to step S206, S212, it is convenient to omit other one or more steps, obtain other
Embodiment.
In one particular embodiment of the present invention, the preparation method of pan comprises the following steps:
Pot body 10 is carried out removing oil ungrease treatment；
Trickle iron ore granule surface to be sprayed to pot body 10 (internal face) is used to carry out blasting treatment so that table to be sprayed
Face formed certain roughness surface (Ra is 70～80 μm), the surface after sanding subsequently with high pressure draught by its remained on surface
Fine powder particles blows clean；
Using oxy-acetylene flame to treat sprayed surface and carry out the pre-heat treatment, the temperature of preheating is about 150 DEG C～200 DEG C, in advance
The heat time is 2～3min；
Using supersonic speed plasma arc spraying technology to prepare intermediate layer 20 in district to be sprayed, sprayed on material is that quality is divided
Number is nanometer Cr of 80%2O3Mixed-powder mixed uniformly with the MgO that mass fraction is 20%, the mean diameter of the two is
10～20 μm, it is thus achieved that intermediate layer 20 thickness be 30～40 μm.Wherein, the main technologic parameters of plasma spraying is: spraying current
600A, spray voltage 120V, argon flow amount 5～6m3/ h, nitrogen flow 1.6～2m3/ h, hydrogen flowing quantity 1～1.5m3/ h, powder feeding
Speed is 2～2.5kg/h, spray distance 100mm～120mm；
After the surface in intermediate layer 20 is carried out removing oil defat cleaning treatment again, through low temperature (100 DEG C～150 DEG C) drum
Air-dry dry baking and carry out drying and processing；
Surface spray sintering again in intermediate layer 20 is made up of base oil dough-making powder oil, and the aqueous fluorine of gross thickness about 20～30 μm
Cold coating, makes non-sticking lining 30.
In sum, pan that the embodiment of the present invention provides and preparation method thereof, use plasma spraying technology by Cr2O3
With on the internal face that the mixed-powder of MgO is sprayed on pot body 10, form the wear-resisting intermediate layer of nano-oxide 20, this intermediate layer 20
Surface there is certain roughness, it is ensured that non-sticking lining 30 has a good adhesion, and this intermediate layer 20 internal structure causes
Close, there is the lowest porosity, and Cr2O3With MgO two oxides, there is higher hardness, excellent wear-resistant and corrosion-resistant
Performance, can significantly reduce the deflection under action of compressive stress of whole non-sticking lining 30 so that non-sticking lining 30 is not easy
The fatigue damage caused by long-term stress strain occur and comes off, reducing the fatigue damage degree of non-sticking lining 30, hence it is evident that promoting
The service life of whole non-sticking lining 30.
In describing the invention, unless otherwise clearly defined and limited, term " multiple " refer to two or two with
On；Unless otherwise prescribed or explanation, term " connects ", " fixing " etc. all should be interpreted broadly, and such as, " connection " can be fixing
Connect, it is also possible to be to removably connect, or be integrally connected, or electrical connection；Can be to be joined directly together, it is also possible to by middle matchmaker
Jie is indirectly connected to.For the ordinary skill in the art, can understand that above-mentioned term is in the present invention as the case may be
In concrete meaning.
In the description of this specification, it is to be understood that term " on ", D score, "front", "rear", the instruction such as "left", "right"
Orientation or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of description the present invention and simplification retouch
State rather than indicate or imply the device of indication or unit must have specific direction, with specific azimuth configuration and operation,
It is thus impossible to be interpreted as limitation of the present invention.
In the description of this specification, the description of term " embodiment ", " some embodiments ", " specific embodiment " etc.
Mean to combine this embodiment or specific features, structure, material or feature that example describes to be contained at least one of the present invention real
Execute in example or example.In this manual, the schematic representation to above-mentioned term is not necessarily referring to identical embodiment or reality
Example.And, the specific features of description, structure, material or feature can in any one or more embodiments or example with
Suitably mode combines.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a pan, it is characterised in that including:
Pot body；
Intermediate layer, is attached on the internal face of described pot body, and the composition in described intermediate layer includes chromic oxide and magnesium oxide；
With
Non-sticking lining, is attached in the aspect in described intermediate layer.
Pan the most according to claim 1, it is characterised in that
The thickness in described intermediate layer is 20 μm～70 μm.
3. a preparation method for pan, is used for preparing pan as claimed in claim 1 or 2, it is characterised in that including:
The mixture including chromic oxide and magnesium oxide is sprayed on the internal face of pot body by the method using plasma spraying
On, to prepare intermediate layer on described pot body；
The aspect in described intermediate layer prepares non-sticking lining.
The preparation method of pan the most according to claim 3, it is characterised in that
In described mixture, the mass fraction of described chromic oxide is 70%～90%.
The preparation method of pan the most according to claim 3, it is characterised in that
The mean diameter of described chromic oxide is 10 μm～40 μm；The mean diameter of described magnesium oxide is 10 μm～40 μm.
6. according to the preparation method of the pan according to any one of claim 3 to 5, it is characterised in that also include:
Before preparing described intermediate layer, the internal face of described pot body is carried out blasting treatment.
The preparation method of pan the most according to claim 6, it is characterised in that
After blasting treatment, the roughness of the internal face of described pot body is 60 μm～80 μm.
The preparation method of pan the most according to claim 6, it is characterised in that after blasting treatment, prepares described centre
Before Ceng, also include:
The internal face of described pot body is carried out the pre-heat treatment, and wherein, the treatment temperature of described the pre-heat treatment is 150 DEG C～200
DEG C, handling duration is 2min～3min.
9. according to the preparation method of the pan according to any one of claim 3 to 5, it is characterised in that
The aspect in described intermediate layer prepares non-sticking lining specifically include: in the aspect in described intermediate layer, spray fluororesin be coated with
Material, forms described non-sticking lining.
The preparation method of pan the most according to claim 9, it is characterised in that spray in the aspect in described intermediate layer
Fluorine resin coating, before forming described non-sticking lining, also includes:
Described intermediate layer is carried out ungrease treatment；
Described intermediate layer after ungrease treatment carries out drying and processing, and wherein, drying temperature is 100 DEG C～200 DEG C.
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| CN201610430395.8A CN106086763B (en) | 2016-06-15 | 2016-06-15 | Pot and preparation method thereof |
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| CN201610430395.8A CN106086763B (en) | 2016-06-15 | 2016-06-15 | Pot and preparation method thereof |
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| CN106086763B CN106086763B (en) | 2020-04-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108065788A (en) * | 2016-11-11 | 2018-05-25 | 佛山市顺德区美的电热电器制造有限公司 | A kind of antibacterial non-stick material and preparation method thereof and antibacterial non-stick cookware |
| CN108065750A (en) * | 2016-11-14 | 2018-05-25 | 佛山市顺德区美的电热电器制造有限公司 | Production method and the non-stick pan tool and its manufacturing method of a kind of tick marks |
| CN108078362A (en) * | 2016-11-23 | 2018-05-29 | 佛山市顺德区美的电热电器制造有限公司 | The preparation method of cookware, cooking apparatus and cookware |
| CN108309064A (en) * | 2017-01-17 | 2018-07-24 | 佛山市顺德区美的电热电器制造有限公司 | The preparation method of cooker, cooking apparatus component and cooker |
| CN108324081A (en) * | 2017-01-17 | 2018-07-27 | 佛山市顺德区美的电热电器制造有限公司 | Preparation method, cookware and the cooking apparatus of cookware |
| CN108618633A (en) * | 2017-03-15 | 2018-10-09 | 佛山市顺德区美的电热电器制造有限公司 | cooker and preparation method thereof |
| CN108720620A (en) * | 2017-04-25 | 2018-11-02 | 佛山市顺德区美的电热电器制造有限公司 | Non-sticking lining and preparation method thereof and cookware and equipment of cooking |
| CN108937604A (en) * | 2017-05-22 | 2018-12-07 | 佛山市顺德区美的电热电器制造有限公司 | Iron pan and preparation method thereof and cooking apparatus |
| CN109097717A (en) * | 2017-06-20 | 2018-12-28 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic induction heating pot tool and preparation method thereof |
| CN109924885A (en) * | 2017-12-15 | 2019-06-25 | 佛山市顺德区美的电热电器制造有限公司 | A kind of heating utensil and preparation method thereof |
| CN110623550A (en) * | 2019-08-28 | 2019-12-31 | 武汉安在厨具有限公司 | Surface-spray aluminum cast iron kitchen ware and spraying process thereof |
| CN110754951A (en) * | 2018-07-27 | 2020-02-07 | 佛山市顺德区美的电热电器制造有限公司 | Coating and cooking device |
| CN112137420A (en) * | 2019-06-28 | 2020-12-29 | 武汉苏泊尔炊具有限公司 | Cooking utensil |
| CN112515461A (en) * | 2020-11-24 | 2021-03-19 | 宁波市金象厨具有限公司 | Method for manufacturing enamel interlayer non-stick pan |
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Cited By (18)
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| CN108065788A (en) * | 2016-11-11 | 2018-05-25 | 佛山市顺德区美的电热电器制造有限公司 | A kind of antibacterial non-stick material and preparation method thereof and antibacterial non-stick cookware |
| CN108065750A (en) * | 2016-11-14 | 2018-05-25 | 佛山市顺德区美的电热电器制造有限公司 | Production method and the non-stick pan tool and its manufacturing method of a kind of tick marks |
| CN108078362A (en) * | 2016-11-23 | 2018-05-29 | 佛山市顺德区美的电热电器制造有限公司 | The preparation method of cookware, cooking apparatus and cookware |
| CN108309064A (en) * | 2017-01-17 | 2018-07-24 | 佛山市顺德区美的电热电器制造有限公司 | The preparation method of cooker, cooking apparatus component and cooker |
| CN108324081A (en) * | 2017-01-17 | 2018-07-27 | 佛山市顺德区美的电热电器制造有限公司 | Preparation method, cookware and the cooking apparatus of cookware |
| CN108618633A (en) * | 2017-03-15 | 2018-10-09 | 佛山市顺德区美的电热电器制造有限公司 | cooker and preparation method thereof |
| CN108720620B (en) * | 2017-04-25 | 2023-11-14 | 佛山市顺德区美的电热电器制造有限公司 | Non-stick coating, preparation method thereof, cooker and cooking equipment |
| CN108720620A (en) * | 2017-04-25 | 2018-11-02 | 佛山市顺德区美的电热电器制造有限公司 | Non-sticking lining and preparation method thereof and cookware and equipment of cooking |
| CN108937604A (en) * | 2017-05-22 | 2018-12-07 | 佛山市顺德区美的电热电器制造有限公司 | Iron pan and preparation method thereof and cooking apparatus |
| CN109097717A (en) * | 2017-06-20 | 2018-12-28 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic induction heating pot tool and preparation method thereof |
| CN109097717B (en) * | 2017-06-20 | 2021-02-26 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic induction heating cooker and preparation method thereof |
| CN109924885A (en) * | 2017-12-15 | 2019-06-25 | 佛山市顺德区美的电热电器制造有限公司 | A kind of heating utensil and preparation method thereof |
| CN110754951A (en) * | 2018-07-27 | 2020-02-07 | 佛山市顺德区美的电热电器制造有限公司 | Coating and cooking device |
| CN110754951B (en) * | 2018-07-27 | 2022-04-12 | 佛山市顺德区美的电热电器制造有限公司 | Coating and cooking device |
| CN112137420A (en) * | 2019-06-28 | 2020-12-29 | 武汉苏泊尔炊具有限公司 | Cooking utensil |
| CN112137420B (en) * | 2019-06-28 | 2023-06-20 | 武汉苏泊尔炊具有限公司 | Cooking utensil |
| CN110623550A (en) * | 2019-08-28 | 2019-12-31 | 武汉安在厨具有限公司 | Surface-spray aluminum cast iron kitchen ware and spraying process thereof |
| CN112515461A (en) * | 2020-11-24 | 2021-03-19 | 宁波市金象厨具有限公司 | Method for manufacturing enamel interlayer non-stick pan |
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