CN108324119A - Cookware and preparation method thereof and cooking apparatus - Google Patents
Cookware and preparation method thereof and cooking apparatus Download PDFInfo
- Publication number
- CN108324119A CN108324119A CN201710032113.3A CN201710032113A CN108324119A CN 108324119 A CN108324119 A CN 108324119A CN 201710032113 A CN201710032113 A CN 201710032113A CN 108324119 A CN108324119 A CN 108324119A
- Authority
- CN
- China
- Prior art keywords
- magnetic layer
- coating
- cookware
- antirust coat
- magnetic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/002—Pretreatement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/52—Two layers
- B05D7/54—No clear coat specified
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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
- C23C24/00—Coating starting from inorganic powder
- C23C24/02—Coating starting from inorganic powder by application of pressure only
- C23C24/04—Impact or kinetic deposition of particles
-
- 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
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
-
- 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
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
Abstract
The present invention provides a kind of cookware and preparation method thereof and cooking apparatus, which includes：Pot ontology magnetic layer and antirust coat, pot ontology are made of un-conducted magnetic material or weak permeability magnetic material；Magnetic layer is made of the permeability magnetic material comprising magnetic conductive metal particle, is attached on the outer surface of pot ontology；Antirust coat is attached on magnetic layer.Cookware provided by the invention, by the way that the double coating structures of magnetic layer+antirust coat are arranged on pot ontology prepared by non-magnetic or weak permeability magnetic material, so that cookware had both had excellent electromagnetic heating function, it again being capable of permanently effective anticorrosion, to increase the competitiveness of product in market, it is convenient for the marketing of product；Further, since what magnetic layer was made of the permeability magnetic material comprising magnetic conductive metal particle, the outer surface of the magnetic layer has certain roughness so that antirust coat and the absorption combination effect of magnetic layer are more preferable, to prevent falling off for antirust coat.
Description
Technical field
The present invention relates to cooking apparatus technical field, in particular to the preparation method of a kind of cookware and the cookware and
Include the cooking apparatus of the cookware.
Background technology
Currently, application of the non magnetic or weak magnetic conductivity material such as aluminium alloy, 304 stainless steels, ceramics in household electrical appliance is non-
Often extensively, but cookware made of these materials does not have preferable electromagnetic heating function mostly, to limit its application.
Invention content
At least one in order to solve the above-mentioned technical problem, it is an object of the present invention to provide a kind of cookwares.
It is another object of the present invention to provide a kind of preparation methods of above-mentioned cookware.
A further object of the present invention is to provide a kind of cooking apparatus including above-mentioned cookware.
To achieve the goals above, the embodiment of first aspect present invention provides a kind of cookware, including：Pot ontology, institute
Pot ontology is stated to be made of un-conducted magnetic material or weak permeability magnetic material；Magnetic layer is made of the permeability magnetic material comprising magnetic conductive metal particle,
It is attached on the outer surface of the pot ontology；And antirust coat, it is attached on the magnetic layer.
The cookware that the embodiment of first aspect present invention provides, passes through the pot ontology prepared in non-magnetic or weak permeability magnetic material
The double coating structures of upper setting magnetic layer+antirust coat so that cookware had not only had excellent electromagnetic heating function, but also can have for a long time
Anticorrosion is imitated, to increase the competitiveness of product in market, is convenient for the marketing of product.Specifically, pot ontology is by non-magnetic
Material or weak permeability magnetic material are made, and magnetic layer is attached on the outer surface of pot ontology, to effectively increase the magnetic conductivity of cookware
Can, significantly increase the electromagnetic heating efficiency of cookware so that the tradition un-conducted magnetic material or weak such as aluminium alloy, 304 stainless steels, ceramics
Cookware prepared by permeability magnetic material also has excellent electromagnetic heating function, and then expands answering for cookware made of these materials
Use field；And antirust coat is also attached on magnetic layer, antirust coat can play the role of being effectively protected to magnetic layer, reach long-term
Etch-proof effect further increases the competitiveness of product in market to effectively extend the service life of product；In addition,
It is made of the permeability magnetic material comprising magnetic conductive metal particle due to magnetic layer, the outer surface of the magnetic layer has centainly coarse
Degree so that antirust coat and the absorption combination effect of magnetic layer are more preferable, to prevent falling off for antirust coat.
In addition, the cookware in above-described embodiment provided by the invention can also have following additional technical feature：
In the above-mentioned technical solutions, the magnetic layer is the cold spraying coating comprising magnetic conductive metal particle, the magnetic layer
Roughness be 3 μm~12 μm.
Magnetic layer is cold spraying coating, i.e. magnetic layer is made of cold spray process, and cold spraying can ensure magnetic conductive metal
The compactness of particle ensures that surface has certain roughness, can facilitate antirust coat in this way while meeting magnetic conduction condition
It is attached to its surface and does not fall off；In addition, cold spray process production efficiency is high, basis material is not interfered with, processing cost is opposite
It is relatively low, it is suitble to large-scale production, to reduce the manufacturing cost of product；And the coating of low porosity can be prepared,
Therefore by controlling the technological parameter of cold spraying, the compactness of magnetic layer internal structure can be effectively improved, is ensureing certain painting
On the basis of layer thickness, coating is made to obtain comparatively ideal electromagnetic heating efficiency.
It is understood that cold spraying is also known as aerodynamics spray coating method, principle is to pass through scaling using high pressure gas
Pipe generates Supersonic Flow, powder particle from axial input high-speed flow and it is accelerated after under complete solid-state hit matrix；Powder
Last particle is deposited on matrix surface by larger plastic flow deformation to form dense coating.In spraying, spraying
Particle hits matrix surface with high speed (500m/s~1200m/s), and ion does not melt in the whole process, keeps solid-like
State, particle occurs plastic deformation polymerization and forms coating, therefore coating will not make basis material change, and coating and matrix are main
It is combined together in a manner of mechanical connection, coating structure is consistent with matrix structure, is effectively improved knot between the two
With joint efforts.In addition, cold spray technique has further the advantage that：Have to matrix or coating surface when being collided due to high-velocity particles strong
Shot peening effect, be typically in compressive stress state in the coating, this is conducive to the deposition of relatively thick coating, thickness up to centimetre
Grade；Since powder does not undergo the variation that institutional framework does not occur substantially for apparent thermal process, undeposited particle can recycle
It utilizes.
In any of the above-described technical solution, the pot ontology includes pot body and the bottom of a pan, and the magnetic layer is attached to the pot
On the outer surface in the lower part of the outer surface of body and the bottom of a pan.
Since the electromagnetic heating apparatus such as electromagnetic oven are normally at the lower section of cookware, and the quantity of heat production of magnetic layer with it away from electromagnetism
The distance between heating equipment is related, therefore the lower part of general only cookware can generate relatively stronger electromagnetic heating effect,
It is larger to the heating contribution of cookware, so magnetic layer only is set in the outer surface in the lower part of the outer surface of pot body and the bottom of a pan, it can
Enough meet the electromagnetic heating needs of cookware, and the cost of product can be saved.It is of course also possible to only on the outer surface in the bottom of a pan or
Person is respectively provided with magnetic layer on the outer surface of entire cookware, can achieve the object of the present invention, and without being detached from the present invention's
Design philosophy and objective, thus it will be understood by those of skill in the art that these technical solutions should all be in the protection model of the present invention
In enclosing.
In any of the above-described technical solution, the thickness of the magnetic layer is 200 μm~2000 μm.
The thickness that magnetic layer is arranged is not less than 200 μm, can avoid the excessively thin situation for leading to electromagnetic heating unevenness of magnetic layer
Occur；The thickness that magnetic layer is arranged is not more than 2000 μm, can avoid magnetic layer it is blocked up cause cookware excessively heavy or cost compared with
High situation occurs.
In any of the above-described technical solution, the porosity of the magnetic layer is not more than 2%.
Porosity is one of important performance indexes of coating, and porosity is lower, and coating is finer and close, and quality is higher.Therefore it sets
The porosity of magnetic layer is set no more than 2% (being less than or equal to 2%), ensure that magnetic layer has fine and close structure, and then ensure
Magnetic layer has higher magnetic conductivity and higher hardness, ensure that magnetic layer has stronger electromagnetic heating induction and longer
Service life.
In any of the above-described technical solution, the thickness of the antirust coat is 10 μm~50 μm.
The thickness that antirust coat is arranged is not less than 10 μm, can avoid antirust coat is excessively thin antirust coat is caused easily to be reduced thoroughly by mill
The case where product service life, occurs；The thickness that antirust coat is arranged is not more than 50 μm, can avoid antirust coat is blocked up from leading to magnetic conduction
The situation that the layer efficiency of heating surface reduces or product cost is excessively high occurs.
In any of the above-described technical solution, the porosity of the antirust coat is not more than 5%.
The porosity of antirust coat is set no more than 5% (being less than or equal to 5%), ensure that antirust coat has fine and close knot
Structure, and then ensure that antirust coat can reach long-term etch-proof effect.
In any of the above-described technical solution, the antirust coat is meltallizing metal coating.
Anti-rust metal is first heated into the state of melting, is then ejected on the magnetic conductive metal layer with certain roughness,
Be conducive to the attachment of antirust coat.
In any of the above-described technical solution, the magnetic layer include ferromagnetism coating, nickel magnetisable coating, cobalt magnetisable coating and
It is one or more in iron-silicon magnetisable coating；And/or the antirust coat includes organic thermal control coating or inorganic refractory coating.
Iron, nickel, cobalt etc. be excellent magnetic conductive metal, therefore ferromagnetism coating, nickel magnetisable coating, cobalt magnetisable coating or
Iron-silicon magnetisable coating has higher magnetic conductivity, it is thus possible to so that cookware is had higher electromagnetic heating efficiency, and draw materials and hold
Easily, to further increase the competitiveness of product in market.
Antirust coat includes organic thermal control coating or inorganic refractory coating, then antirust coat is on the basis for having excellent rust-proof effect
On, also there is excellent high temperature resistance after testing, to be 2~3 years to further improve the service life of coating.
In any of the above-described technical solution, the cookware further includes：Rough layer is formed on the outer surface of the pot ontology
The rough layer, and the magnetic layer is attached on the rough layer.
The setting of rough layer so that form rough structure on the outer surface of pot ontology, can further carry in this way
Binding force between high magnetic layer and pot ontology further decreases the probability that magnetic layer falls off, to further extend coating and
The service life of cookware.
In any of the above-described technical solution, the cookware is interior pot.
When cookware is as interior pot, it can be used for the cooking apparatus such as electric cooker, electric pressure cooking saucepan.
The embodiment of second aspect of the present invention provides a kind of cooking apparatus, including such as any one of first aspect embodiment
The cookware.
The cooking apparatus that the embodiment of second aspect of the present invention provides, interior pot are such as any one of first aspect embodiment
The cookware, thus with the advantageous effect described in any one of above-described embodiment, details are not described herein.
In the above-mentioned technical solutions, the cooking apparatus is electric cooker or electric pressure cooking saucepan.
The embodiment of third aspect present invention provides a kind of preparation method of cookware, is used to prepare first aspect embodiment
Any one of described in cookware, including：Step S10：Pot ontology is prepared with un-conducted magnetic material or weak permeability magnetic material；Step S30：
Magnetic layer is prepared on the outer surface of the pot ontology；Step S40：Antirust coat is prepared on the magnetic layer.
The preparation method for the cookware that the embodiment of third aspect present invention provides first uses un-conducted magnetic material or weak permeability magnetic material
Pot ontology is prepared, the magnetic conduction being made of the permeability magnetic material comprising magnetic conductive metal particle is then prepared on the outer surface of pot ontology
Layer, then prepares antirust coat on magnetic layer, you can obtains the cookware for being equipped with the double coating structures of magnetic layer+antirust coat, prepares work
Skill is simple；And the cookware prepared, because being attached to magnetic layer on its outer surface, thus the magnetic property of cookware is effectively increased,
Significantly increase the electromagnetic heating efficiency of cookware so that the tradition un-conducted magnetic material such as aluminium alloy, 304 stainless steels, ceramics weak is led
The cookware that magnetic material preparation goes out also has excellent electromagnetic heating function, and then expands answering for cookware made of these materials
Use field；And antirust coat is also attached on magnetic layer, antirust coat can play the role of being effectively protected to magnetic layer, reach long-term
Etch-proof effect further increases the competitiveness of product in market to effectively extend the service life of product；In addition,
It is made of the permeability magnetic material comprising magnetic conductive metal particle due to magnetic layer, the outer surface of the magnetic layer has centainly coarse
Degree so that antirust coat and the absorption combination effect of magnetic layer are more preferable, to prevent falling off for antirust coat.
In addition, the preparation method of the cookware in above-described embodiment provided by the invention can also have following supplementary technology special
Sign：
In the above-mentioned technical solutions, in the step S30, powder type coating preparation sprayed to using cold spray process described
On the outer surface of pot ontology, the powder type coating preparation is made to form the magnetic layer.
Powder type coating preparation is sprayed to using cold spray process and prepares magnetic layer on the outer surface of pot ontology, cold spraying energy
The compactness for enough ensureing magnetic conductive metal particle ensures that surface has certain roughness, in this way while meeting magnetic conduction condition
Antirust coat can be facilitated to be attached to its surface and do not fall off.After testing, the roughness of magnetic layer obtained is 3 μm~12 μm, with
The combination of antirust coat is very good.
In addition, cold spray process production efficiency is high, basis material is not interfered with, processing cost is relatively low, is suitble to scale
Metaplasia is produced, to reduce the manufacturing cost of product；And the coating of low porosity can be prepared, thus it is cold by controlling
The technological parameter of spraying can effectively improve the compactness of magnetic layer internal structure, on the basis of ensureing certain coating layer thickness,
Coating is set to obtain comparatively ideal electromagnetic heating efficiency.Specifically, it is cold according to its pressure size can be divided into high pressure for cold spray process
Spraying and low pressure cold spraying, high pressure cold spraying and low pressure cold spraying all have its advantage respectively, such as high pressure cold spraying efficiency
Height, low pressure cold spraying noise is small, can be selected as the case may be in the actual production process.
In any of the above-described technical solution, the powder type coating preparation includes one in iron powder, nickel powder, cobalt powder and iron-silica flour
Kind is a variety of.
Iron, nickel, cobalt etc. are excellent magnetic conductive metal, therefore use cold spray process by iron powder, nickel powder, cobalt powder or iron-
Silica flour sprays on the outer surface of pot ontology, can prepare the excellent magnetic layer of magnetic property, so that cookware has higher
Electromagnetic heating efficiency, and these coating materials be easy, further increase the competitiveness of product in market.
In any of the above-described technical solution, in the step S30, the parameter of cold spray process is：Working gas is sky
Gas, helium, nitrogen or mixed gas, injection pressure are 0.5MPa~3MPa, and injection temperation is 0K~873K, and gas velocity is
0.4m3/ min~2m3/ min, powder feed rate are 2kg/h~15kg/h, and jet length is 10mm~50mm, and consumption power is
5kW~25kW, powder size are 10 μm~50 μm.
The technical staff of our company has found that working gas sprays pressure, injection temperation, gas by test of many times and analysis
The parameters such as body speed, powder feed rate, jet length, consumption power, powder size can be to finally formed magnetic layer
Quality has an impact, thus selects suitable technological parameter extremely important.Such as：Powder feed rate is excessively high to make deposition efficiency
It is reduced with the porosity of coating, this is because the excessively high Interaction enhanced that can lead to particle in jet pipe of powder feeding rate, particle
Since rubbing action temperature increases, it is possible to which thawing is bonded in spray gun, influences speed of the particle in jet pipe, and then make deposition
Efficiency is affected；Jet length has direct relationship with deposition efficiency, this is because the size of jet length affects spraying
Particle reaches vertical speed when matrix surface, and jet length is excessive, and particle cannot be made to reach enough kinetic energy to form coating,
Jet length is too small, and acting on for the shock wave that particle is formed by the shock zone between matrix and spray gun can reduce particle
Speed, reduce deposition efficiency；Powder size and pattern will influence the speed of particle, and particle rapidity directly affects the heavy of particle
Product efficiency, this is because the forced plasticity deforming that cold spraying relies primarily on the high-speed impact of particle and generates carrys out depositing coating, particle
Speed it is higher, the coating of formation is finer and close and quality is higher；The speed of related movement of pressure, substrate and spray gun is sprayed to applying
The deposition efficiency and porosity of layer all have having a certain impact；And injection temperation and injection pressure also can to the Percentage bound of coating,
The performances such as compactness have an impact.Certainly, it will be understood by those of skill in the art that different cookwares, the parameter of coating is not
It is identical to the greatest extent, so the parameter of cold spray process is not limited to above-mentioned value, can be adjusted as needed in the actual production process
It is whole.
In any of the above-described technical solution, the pot ontology includes pot body and the bottom of a pan, wherein in the step S30,
The magnetic layer is prepared on the outer surface in the lower part of the outer surface of the pot body and the bottom of a pan.
Since the electromagnetic heating apparatus such as electromagnetic oven are normally at the lower section of cookware, and the quantity of heat production of magnetic layer with it away from electromagnetism
The distance between heating equipment is related, therefore the lower part of general only cookware can generate relatively stronger electromagnetic heating effect,
It is larger to the heating contribution of cookware, so magnetic layer only is set in the outer surface in the lower part of the outer surface of pot body and the bottom of a pan, it can
Enough meet the electromagnetic heating needs of cookware, and the cost of product can be saved.In specific preparation process, can use cover jig come
The region that need not be sprayed is blocked, finally forms certain thickness magnetisable coating in desired zone.
It is of course also possible to only be respectively provided with magnetic layer on the outer surface in the bottom of a pan or on the outer surface of entire cookware,
It can achieve the object of the present invention, and design philosophy and objective without being detached from the present invention, thus those skilled in the art answers
Work as understanding, these technical solutions should all be within the scope of the present invention.
In any of the above-described technical solution, in the step S30, the thickness of the magnetic layer is 200 μm~2000 μm.
The thickness that magnetic layer is arranged is not less than 200 μm, can avoid the excessively thin situation for leading to electromagnetic heating unevenness of magnetic layer
Occur；The thickness that magnetic layer is arranged is not more than 2000 μm, can avoid magnetic layer it is blocked up cause cookware excessively heavy or cost compared with
High situation occurs.
In any of the above-described technical solution, in the step S30, the porosity of the magnetic layer is not more than 2%.
The porosity that magnetic layer is arranged is not more than 2%, ensure that magnetic layer has fine and close structure, and then ensure that magnetic conduction
Layer has higher magnetic conductivity and higher hardness, ensure that magnetic layer has the induction of stronger electromagnetic heating and longer use
Service life.
In any of the above-described technical solution, in the step S40, using cold spray process, meltallizing technique, Typical spray
Technique or coating processes prepare the antirust coat on the magnetic layer.
It can be prepared on magnetic layer using cold spray process, meltallizing technique, Typical spray technique or coating processes
Antirust coat, and mainly linked together in a manner of mechanical bond between the antirust coat and magnetic layer prepared.For example, by molten
When penetrating technique preparation, first anti-rust metal is heated into the state of melting, is then ejected into the magnetic conductive metal with certain roughness
On layer, be conducive to the attachment of antirust coat.Certainly, it will be understood by those of skill in the art that the technique for preparing antirust coat is not limited to
In above-mentioned several, other techniques can also be used, will not enumerate herein, but should all be within the scope of the present invention.
In any of the above-described technical solution, in the step S40, the antirust coat includes organic thermal control coating or inorganic
Refractory coating.
Antirust coat includes organic thermal control coating or inorganic refractory coating, then the antirust coat prepared is having excellent antirust effect
On the basis of fruit, also there is excellent high temperature resistance after testing, can be grown to further improve the service life of coating
Up to 2~3 years.
In any of the above-described technical solution, in the step S40, the thickness of the antirust coat is 10 μm~50 μm.
The thickness that antirust coat is arranged is not less than 10 μm, can avoid antirust coat is excessively thin antirust coat is caused easily to be reduced thoroughly by mill
The case where product service life, occurs；The thickness that antirust coat is arranged is not more than 50 μm, can avoid antirust coat is blocked up from leading to magnetic conduction
The situation that the layer efficiency of heating surface reduces or product cost is excessively high occurs.
In any of the above-described technical solution, in the step S40, the porosity of the antirust coat is not more than 5%.
The porosity that antirust coat is arranged is not more than 5%, ensure that antirust coat has fine and close structure, and then ensure that antirust
Layer can reach long-term etch-proof effect.
In any of the above-described technical solution, before preparing the magnetic layer on the outer surface of the pot ontology, further include：
Step S20：Blasting treatment is carried out to the outer surface of the pot ontology, makes to form rough layer on the outer surface of the pot ontology；Its
In, in the step S30, the magnetic layer is prepared on the rough layer.
Before sprayed coating, blasting treatment first is carried out to the outer surface of pot ontology, makes to form rough layer on its outer surface, slightly
Rough layer forms rough structure on the outer surface of pot ontology, can further increase in this way magnetic layer and pot ontology it
Between binding force, further decrease the probability that magnetic layer falls off, to further extend coating and cookware service life.Specifically
In preparation process, cleaning decontamination can also be carried out to pot ontology according to situation before blasting treatment；Height should be used after blasting treatment in time
Pressure gas stream blows clean the fine powder particles of its remained on surface；It can be according to situation to table to be sprayed before cold spraying after blasting treatment
Face carries out the pre-heat treatment.
The additional aspect and advantage of the present invention will become apparent in following description section, or practice through the invention
Recognize.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination following accompanying drawings to embodiment
Obviously and it is readily appreciated that, wherein：
Fig. 1 is the partial structural diagram of the cookware described in some embodiments of the invention；
Fig. 2 is the flow diagram of the preparation method of the cookware described in some embodiments of the invention；
Fig. 3 is the flow diagram of the preparation method of the cookware described in other embodiments of the invention.
Wherein, the reference numeral in Fig. 1 and the correspondence between component names are：
10 pots of ontologies, 20 magnetic layers, 30 antirust coats.
Specific implementation mode
To better understand the objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specific real
Mode is applied the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
To be implemented different from other modes described here using other, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Referring to Fig. 1 to Fig. 3 descriptions described cookware and preparation method thereof and culinary art according to some embodiments of the invention
Utensil.
As shown in Figure 1, the cookware that the embodiment of first aspect present invention provides, including：Pot ontology 10, magnetic layer 20 and anti-
Rusty scale 30.
Specifically, pot ontology 10 is made of un-conducted magnetic material or weak permeability magnetic material；Magnetic layer 20, by including magnetic conductive metal
The permeability magnetic material composition of grain, is attached on the outer surface of pot ontology 10；Antirust coat 30 is attached on magnetic layer 20.
Preferably, pot ontology 10 includes pot body and the bottom of a pan, and magnetic layer 20 is attached to the lower part and the bottom of a pan of the outer surface of pot body
Outer surface on.
The cookware that the embodiment of first aspect present invention provides, passes through the pot ontology prepared in non-magnetic or weak permeability magnetic material
Magnetic layer 20+ 30 pairs of coating structures of antirust coat are set on 10 so that cookware had not only had excellent electromagnetic heating function, but also can
Permanently effective anticorrosion is convenient for the marketing of product to increase the competitiveness of product in market.
Specifically, pot ontology 10 is made of un-conducted magnetic material or weak permeability magnetic material, is attached on the outer surface of pot ontology 10
Magnetic layer 20 significantly increases the electromagnetic heating efficiency of cookware to effectively increase the magnetic property of cookware so that aluminium closes
Cookware prepared by the tradition un-conducted magnetic material such as gold, 304 stainless steels, ceramics or weak permeability magnetic material also has excellent electromagnetic heating
Function, and then expand the application field of cookware made of these materials；And antirust coat 30, antirust are also attached on magnetic layer 20
Layer 30 can play the role of being effectively protected to magnetic layer 20, reach long-term etch-proof effect, to effectively extend product
Service life, further increase the competitiveness of product in market；Further, since magnetic layer is by comprising magnetic conductive metal particle
Permeability magnetic material composition, the outer surface of the magnetic layer has certain roughness so that antirust coat is combined with the absorption of magnetic layer
Effect is more preferable, to prevent falling off for antirust coat.
Since the electromagnetic heating apparatus such as electromagnetic oven are normally at the lower section of cookware, and the quantity of heat production of magnetic layer 20 with it away from electricity
The distance between magnetic heating equipment is related, therefore the lower part of general only cookware can generate relatively stronger electromagnetic heating effect
It answers, it is larger to the heating contribution of cookware, so magnetic layer 20 only is set in the outer surface in the lower part of the outer surface of pot body and the bottom of a pan,
The electromagnetic heating needs of cookware can either be met, and the cost of product can be saved.
It is of course also possible to magnetic layer 20 is only respectively provided on the outer surface in the bottom of a pan or on the outer surface of entire cookware,
It can achieve the object of the present invention, and design philosophy and objective without being detached from the present invention, thus those skilled in the art
It should be appreciated that these technical solutions should all be within the scope of the present invention.
In some embodiments of the invention, magnetic layer 20 is the cold spraying coating comprising magnetic conductive metal particle, magnetic layer
20 roughness is 3 μm~12 μm.
In the above-described embodiments, magnetic layer 20 is cold spraying coating, i.e. magnetic layer 20 is made of cold spray process, cold spray
The compactness of magnetic conductive metal particle can be ensured by applying, and while meeting magnetic conduction condition, ensure that surface has certain roughness,
Antirust coat 30 can be facilitated to be attached to its surface and do not fall off in this way；In addition, cold spray process production efficiency is high, base is not interfered with
Body material, processing cost is relatively low, is suitble to large-scale production, to reduce the manufacturing cost of product；And it can make
For the coating of low porosity, therefore the technological parameter by controlling cold spraying is gone out, 20 internal structure of magnetic layer can be effectively improved
Compactness makes coating obtain comparatively ideal electromagnetic heating efficiency on the basis of ensureing certain coating layer thickness.
It is understood that cold spraying is also known as aerodynamics spray coating method, principle is to pass through scaling using high pressure gas
Pipe generates Supersonic Flow, powder particle from axial input high-speed flow and it is accelerated after under complete solid-state hit matrix；Powder
Last particle is deposited on matrix surface by larger plastic flow deformation to form dense coating.In spraying, spraying
Particle hits matrix surface with high speed (500m/s~1200m/s), and ion does not melt in the whole process, keeps solid-like
State, particle occurs plastic deformation polymerization and forms coating, therefore coating will not make basis material change, and coating and matrix are main
It is combined together in a manner of mechanical connection, coating structure is consistent with matrix structure, is effectively improved knot between the two
With joint efforts.In addition, cold spray technique has further the advantage that：Have to matrix or coating surface when being collided due to high-velocity particles strong
Shot peening effect, be typically in compressive stress state in coating, this is conducive to the deposition of relatively thick coating, and thickness is up to Centimeter Level；By
The variation that institutional framework does not occur substantially for apparent thermal process is not undergone in powder, undeposited particle can recycle.
Preferably, the thickness of magnetic layer 20 is 200 μm~2000 μm (such as 200 μm, 500 μm, 800 μm, 100 μm, 1300 μ
M, 1500 μm, 1700 μm, 2000 μm etc.).
Preferably, the porosity of magnetic layer 20 no more than 2% (such as 0.3%, 0.6%, 0.8%, 1%, 1.2%, 1.5%,
1.8%, 2% etc.).
Preferably, the thickness of antirust coat 30 is 10 μm~50 μm (such as 10 μm, 20 μm, 30 μm, 40 μm, 50 μm).
Preferably, the porosity of antirust coat 30 is not more than 5% (such as 1%, 2%, 3%, 4%, 5%).
The thickness that magnetic layer 20 is arranged is not less than 200 μm, can avoid magnetic layer 20 is excessively thin from causing electromagnetic heating uneven
It happens；The thickness that magnetic layer 20 is arranged is not more than 2000 μm, can avoid magnetic layer 20 is blocked up from causing cookware excessively heavy
Or cost is higher happens.
Porosity is one of important performance indexes of coating, and porosity is lower, and coating is finer and close, and quality is higher.Therefore it sets
The porosity for setting magnetic layer 20 is not more than 2%, ensure that magnetic layer 20 has fine and close structure, and then ensure that magnetic layer 20 has
There are higher magnetic conductivity and higher hardness, ensure that there is magnetic layer 20 induction of stronger electromagnetic heating to use the longevity with longer
Life.
The thickness that antirust coat 30 is arranged is not less than 10 μm, can avoid antirust coat 30 is excessively thin from causing antirust coat 30 easily saturating by mill
And the case where reducing product service life, occurs；The thickness that antirust coat 30 is arranged is not more than 50 μm, can avoid 30 mistake of antirust coat
Thickness causes the situation that 20 efficiency of heating surface of magnetic layer reduces or product cost is excessively high to occur.
The porosity that antirust coat 30 is arranged is not more than 5%, ensure that antirust coat 30 has fine and close structure, and then ensure that
Antirust coat 30 can reach long-term etch-proof effect.
Optionally, magnetic layer 20 includes in ferromagnetism coating, nickel magnetisable coating, cobalt magnetisable coating and iron-silicon magnetisable coating
It is one or more.
Optionally, antirust coat 30 includes organic thermal control coating or inorganic refractory coating.
Iron, nickel, cobalt etc. be excellent magnetic conductive metal, therefore ferromagnetism coating, nickel magnetisable coating, cobalt magnetisable coating or
Iron-silicon magnetisable coating has higher magnetic conductivity, it is thus possible to so that cookware is had higher electromagnetic heating efficiency, and draw materials and hold
Easily, to further increase the competitiveness of product in market.
Antirust coat 30 includes organic thermal control coating or inorganic refractory coating, then antirust coat 30 is having excellent rust-proof effect
On the basis of, also there is excellent high temperature resistance, to further improve the service life of coating, after testing, it is 2~
3 years.
Optionally, antirust coat 30 is meltallizing metal coating.
Anti-rust metal is first heated into the state of melting, is then ejected on the magnetic conductive metal layer with certain roughness,
Be conducive to the attachment of antirust coat 30.
Further, cookware further includes：Rough layer is formed with rough layer, and magnetic layer 20 on the outer surface of pot ontology 10
It is attached on rough layer.
The setting of rough layer so that rough structure is formed on the outer surface of pot ontology 10, it in this way can be further
The binding force between magnetic layer 20 and pot ontology 10 is improved, the probability that magnetic layer 20 falls off is further decreased, to further prolong
The service life of long coating and cookware.
In any of the above-described embodiment, cookware is interior pot.
When cookware is as interior pot, it can be used for the cooking apparatus such as electric cooker, electric pressure cooking saucepan.
The cooking apparatus (not shown) that the embodiment of second aspect of the present invention provides, including such as first aspect embodiment
Any one of cookware.
The cooking apparatus that the embodiment of second aspect of the present invention provides, interior pot are such as any one of first aspect embodiment
Cookware, thus the advantageous effect with any one of above-described embodiment, details are not described herein.
Specifically, cooking apparatus is electric cooker, electric pressure cooking saucepan or other cooking apparatus.
The preparation method for the cookware that the embodiment of third aspect present invention provides, as shown in Fig. 2, being used to prepare first aspect
The cookware of any one of embodiment, including：
Step S10：Pot ontology 10 is prepared with un-conducted magnetic material or weak permeability magnetic material；
Step S30：Magnetic layer 20 is prepared on the outer surface of pot ontology 10；
Step S40：Antirust coat 30 is prepared on magnetic layer 20.
The preparation method for the cookware that the embodiment of third aspect present invention provides first uses un-conducted magnetic material or weak permeability magnetic material
Pot ontology 10 is prepared, then prepares on the outer surface of pot ontology 10 and is led by what the permeability magnetic material comprising magnetic conductive metal particle formed
Magnetosphere 20 then prepares antirust coat 30 on magnetic layer 20, you can obtains equipped with 30 pairs of coating structures of magnetic layer 20+ antirust coats
Cookware, preparation process are simple；And the cookware prepared, because being attached to magnetic layer 20 on its outer surface, thus effectively increase pot
The magnetic property of tool significantly increases the electromagnetic heating efficiency of cookware so that the tradition such as aluminium alloy, 304 stainless steels, ceramics is not led
The cookware that magnetic material or weak permeability magnetic material are prepared also has excellent electromagnetic heating function, and then expands these material systems
At cookware application field；And antirust coat 30 is also attached on magnetic layer 20, antirust coat 30 can play magnetic layer 20
The protective effect of effect reaches long-term etch-proof effect and further increases production to effectively extend the service life of product
The market competitiveness of product；Further, since what magnetic layer was made of the permeability magnetic material comprising magnetic conductive metal particle, the magnetic layer
Outer surface has certain roughness so that antirust coat and the absorption combination effect of magnetic layer are more preferable, to prevent antirust coat
It falls off.
Further, as shown in figure 3, before preparing magnetic layer 20 on the outer surface of pot ontology 10, further include：
Step S20：Blasting treatment is carried out to the outer surface of pot ontology 10, makes to be formed on the outer surface of pot ontology 10 coarse
Layer；Wherein, in step s 30, magnetic layer 20 is prepared on rough layer.
Before sprayed coating, blasting treatment first is carried out to the outer surface of pot ontology 10, makes to form rough layer on its outer surface,
Rough layer forms rough structure on the outer surface of pot ontology 10, can further increase magnetic layer 20 and pot in this way
Binding force between ontology 10 further decreases the probability that magnetic layer 20 falls off, to further extend making for coating and cookware
Use the service life.In specific preparation process, cleaning decontamination can also be carried out to pot ontology 10 according to situation before blasting treatment；After blasting treatment
The fine powder particles of its remained on surface should be blown clean using high pressure draught in time；It can be according to feelings before cold spraying after blasting treatment
Condition treats sprayed surface and carries out the pre-heat treatment.
Preferably, in step s 30, powder type coating preparation is sprayed to the outer surface of pot ontology 10 using cold spray process
On, so that powder type coating preparation is formed magnetic layer 20.Optionally, powder type coating preparation includes in iron powder, nickel powder, cobalt powder and iron-silica flour
It is one or more.
Optionally, in step s 40, it is being led using cold spray process, meltallizing technique, Typical spray technique or coating processes
Antirust coat 30 is prepared on magnetosphere 20.Optionally, the raw material of antirust coat 30 includes organic hot resistant powder or inorganic hot resistant powder.
Powder type coating preparation is sprayed to using cold spray process and prepares magnetic layer 20 on the outer surface of pot ontology 10, cold spray
The compactness of magnetic conductive metal particle can be ensured by applying, and while meeting magnetic conduction condition, ensure that surface has certain roughness,
Antirust coat 30 can be facilitated to be attached to its surface and do not fall off in this way.After testing, the roughness of magnetic layer 20 obtained be 3 μm~
12 μm, and the combination of antirust coat 30 is very good.
In addition, cold spray process production efficiency is high, basis material is not interfered with, processing cost is relatively low, is suitble to scale
Metaplasia is produced, to reduce the manufacturing cost of product；And the coating of low porosity can be prepared, thus it is cold by controlling
The technological parameter of spraying can effectively improve the compactness of 20 internal structure of magnetic layer, on the basis for ensureing certain coating layer thickness
On, so that coating is obtained comparatively ideal electromagnetic heating efficiency.
Specifically, cold spray process can be divided into high pressure cold spraying and low pressure cold spraying according to its pressure size, and high pressure is cold
Spraying and low pressure cold spraying all have its advantage respectively, for example high pressure cold spraying is efficient, and low pressure cold spraying noise is small, in reality
It can be selected as the case may be in the production process of border.
Iron, nickel, cobalt etc. are excellent magnetic conductive metal, therefore use cold spray process by iron powder, nickel powder, cobalt powder or iron-
Silica flour sprays on the outer surface of pot ontology 10, the excellent magnetic layer 20 of magnetic property can be prepared, so that cookware has
Higher electromagnetic heating efficiency, and these coating materials are easy, and further increase the competitiveness of product in market.
Using cold spray process, meltallizing technique (or being hot-spraying technique), Typical spray technique or the equal energy of coating processes
It is enough that antirust coat 30 is prepared on magnetic layer 20, and mainly with mechanical bond between the antirust coat 30 prepared and magnetic layer 20
Mode links together.For example, when being prepared by meltallizing technique, first anti-rust metal is heated into the state of melting, then sprayed
Onto the magnetic conductive metal layer with certain roughness, be conducive to the attachment of antirust coat.Certainly, those skilled in the art should manage
Solution, prepare antirust coat 30 technique be not limited to it is above-mentioned several, can also use other techniques, will not enumerate herein, but
It should all be within the scope of the present invention.
The raw material of antirust coat 30 includes organic hot resistant powder or inorganic hot resistant powder, then the antirust coat 30 prepared is having
On the basis of excellent rust-proof effect, also there is excellent high temperature resistance, to further improve the service life of coating, warp
Detection, is 2~3 years.
Wherein, in step s 30, the parameter of cold spray process is：Working gas is air, helium, nitrogen or gaseous mixture
Body, injection pressure are 0.5MPa~3MPa (such as 0.5MPa, 1MPa, 1.5MPa, 2MPa, 2.5MPa, 3MPa), and injection temperation is
0K~873K, gas velocity 0.4m3/ min~2m3/ min (such as 0.4m3/min、0.8m3/min、1.2m3/min、1.6m3/
min、2m3/ min etc.), powder feed rate be 2kg/h~15kg/h (such as 2kg/h, 5kg/h, 8kg/h, 10kg/h, 12kg/h,
15kg/h etc.), jet length be 10mm~50mm (such as 10mm, 30mm, 50mm), consumption power for 5kW~25kW (such as 5kW,
10kW, 15kW, 20kW, 25kW etc.), powder size is 10 μm~50 μm (such as 10 μm, 20 μm, 30 μm, 40 μm, 50 μm).
The technical staff of our company has found that working gas sprays pressure, injection temperation, gas by test of many times and analysis
The parameters such as body speed, powder feed rate, jet length, consumption power, powder size can be to finally formed magnetic layer 20
Quality have an impact, thus select suitable technological parameter extremely important.
Such as：Powder feed rate is excessively high to make the reduction of the porosity of deposition efficiency and coating, this is because powder feeding rate
The excessively high Interaction enhanced that can lead to particle in jet pipe, particle are increased due to rubbing action temperature, it is possible to be melted and be bonded
In spray gun, speed of the particle in jet pipe is influenced, and then deposition efficiency is made to be affected；Jet length has directly with deposition efficiency
The relationship connect, this is because the size of jet length affects vertical speed when spraying particle reaches matrix surface, jet length
From excessive, particle cannot be made to reach enough kinetic energy to form coating, jet length is too small, particle by matrix and spray gun it
Between the effect of shock wave that is formed of shock zone, can reduce the speed of particle, reduce deposition efficiency；Powder size and pattern will
The speed of particle is influenced, and particle rapidity directly affects the deposition efficiency of particle, this is because cold spraying relies primarily on particle
High-speed impact and the forced plasticity deforming that generates carrys out depositing coating, the speed of particle is higher, and the coating of formation is finer and close and quality
It is higher；The speed of related movement for spraying pressure, substrate and spray gun all has certain shadow to the deposition efficiency and porosity of coating
It rings；And injection temperation and injection pressure can also have an impact the performances such as Percentage bound, the compactness of coating.
Certainly, it will be understood by those of skill in the art that different cookwares, the parameter of coating are not quite similar, so it is cold
The parameter of spraying process is not limited to above-mentioned value, can be adjusted as needed in the actual production process.
In any of the above-described embodiment, it is preferable that pot ontology 10 includes pot body and the bottom of a pan, wherein in step s 30,
Magnetic layer 20 is prepared on the lower part of the outer surface of pot body and the outer surface in the bottom of a pan.
Since the electromagnetic heating apparatus such as electromagnetic oven are normally at the lower section of cookware, and the quantity of heat production of magnetic layer 20 with it away from electricity
The distance between magnetic heating equipment is related, therefore the lower part of general only cookware can generate relatively stronger electromagnetic heating effect
It answers, it is larger to the heating contribution of cookware, so magnetic layer 20 only is set in the outer surface in the lower part of the outer surface of pot body and the bottom of a pan,
The electromagnetic heating needs of cookware can either be met, and the cost of product can be saved.In specific preparation process, it can be controlled with masking
Have to block the region that need not be sprayed, finally forms certain thickness magnetisable coating in desired zone.
It is of course also possible to magnetic layer 20 is only respectively provided on the outer surface in the bottom of a pan or on the outer surface of entire cookware,
It can achieve the object of the present invention, and design philosophy and objective without being detached from the present invention, thus those skilled in the art
It should be appreciated that these technical solutions should all be within the scope of the present invention.
Preferably, in step s 30, the thickness of magnetic layer 20 is 200 μm~2000 μm.
Preferably, in step s 30, the porosity of magnetic layer 20 is not more than 2%.
Preferably, in step s 40, the thickness of antirust coat 30 is 10 μm~50 μm.
Preferably, in step s 40, the porosity of antirust coat 30 is not more than 5%.
The thickness that magnetic layer 20 is arranged is not less than 200 μm, can avoid magnetic layer 20 is excessively thin from causing electromagnetic heating uneven
It happens；The thickness that magnetic layer 20 is arranged is not more than 2000 μm, can avoid magnetic layer 20 is blocked up from causing cookware excessively heavy
Or cost is higher happens.
The porosity that magnetic layer 20 is arranged is not more than 2%, ensure that magnetic layer 20 has fine and close structure, and then ensure that
Magnetic layer 20 have higher magnetic conductivity and higher hardness, ensure that magnetic layer 20 have stronger electromagnetic heating induction and compared with
Long service life.
The thickness that antirust coat 30 is arranged is not less than 10 μm, can avoid antirust coat 30 is excessively thin from causing antirust coat 30 easily saturating by mill
And the case where reducing product service life, occurs；The thickness that antirust coat 30 is arranged is not more than 50 μm, can avoid 30 mistake of antirust coat
Thickness causes the situation that 20 efficiency of heating surface of magnetic layer reduces or product cost is excessively high to occur.
The porosity that antirust coat 30 is arranged is not more than 5%, ensure that antirust coat 30 has fine and close structure, and then ensure that
Antirust coat 30 can reach long-term etch-proof effect.
The preparation method of cookware provided by the invention is described in detail with reference to some specific embodiments.
Embodiment one
The pot ontology is made of aluminum, and the magnetic layer is ferromagnetism coating, and the antirust coat is aluminium oxide antirust coat, should
The specific preparation method of cookware is：
Using subtle iron sand particle to pot ontology surface to be sprayed carry out blasting treatment, be not required to spraying position fixture into
Row blocks processing, so that surface to be sprayed is formed the surface with certain roughness, i.e., (roughness Ra of rough layer is 60 to rough layer
μm~80 μm), the surface after sanding is then blown clean the fine powder particles of its remained on surface with high pressure draught；
Sprayed surface is treated using oxy-acetylene flame and carries out the pre-heat treatment, and preheating temperature is 150 DEG C, and preheating time is
2min~3min；
Magnetisable coating is prepared in area to be sprayed using high pressure cold spray technique on cookware bottom heating surface, sprayed on material is
Single Fe powder, specific technological parameter are：Working gas is nitrogen, and injection pressure is 1.6MPa~2.0MPa, injection temperation
For 673K~773K, gas velocity 1.5m3/ min~1.8m3/ min, powder feed rate are 10kg/h~12kg/h, injection
Distance is 35mm~40mm, and consumption power is 10kW~15kW, and powder size is 10 μm~40 μm；
Then rust-proof coating, sprayed on material Al are prepared again using plasma spraying on magnetisable coating surface2O3Fine-powder
(grain size is 10 μm~20 μm), specific technological parameter is：Spraying current is 450A~500A, and spray voltage is 60V~80V,
Argon flow amount is 3m3/ h~4m3/ h, hydrogen flowing quantity 0.15m3/ h~0.2m3/ h, spray gun air pressure are 0.3MPa~0.4MPa, spray
It is 200mm~250mm to apply distance；
Finally obtain with ferromagnetism coating+aluminium oxide antirust coat double structure coating aluminum pot, wherein preparation it is ferromagnetic
Property coating thickness be 300~400 μm, coating porosity≤1%, the thickness of the aluminium oxide antirust coat of preparation is 20 μm~30 μ
M, coating porosity≤3%.
Embodiment two
The pot ontology is made of aluminum, and the magnetic layer is iron-nickel magnetisable coating, and the antirust coat is fluororesin antirust
Layer, the specific preparation method of the cookware are：
Using subtle iron sand particle to pot ontology surface to be sprayed carry out blasting treatment, be not required to spraying position fixture into
Row blocks processing, so that surface to be sprayed is formed the surface with certain roughness, i.e., (roughness Ra of rough layer is 60 to rough layer
μm~80 μm), the surface after sanding is then blown clean the fine powder particles of its remained on surface with high pressure draught；
Magnetisable coating is prepared in area to be sprayed using high pressure cold spray technique on cookware bottom heating surface, sprayed on material is
The mixed-powder of Fe and Ni, specific technological parameter are：Working gas is nitrogen, and injection pressure is 1.6MPa~1.8MPa, spray
It is 573K~673K, gas velocity 1.5m to penetrate temperature3/ min~1.8m3/ min, powder feed rate are 8kg/h~10kg/h,
Jet length is 30mm~35mm, and consumption power is 10kW~12kW, and powder size is 10 μm~40 μm；
One layer of fluororesin corrosion protection coating is then prepared using Typical spray again on magnetisable coating surface, sprayed on material is
PTFE (polytetrafluoroethylene (PTFE)).
The final aluminum pot for obtaining the double structure coating with iron, nickel magnetisable coating+fluororesin antirust coat, wherein preparation
The thickness of ferromagnetism coating is 200 μm~300 μm, coating porosity≤1%, the thickness of the PTFE antirust coats of preparation is 20 μm~
30 μm, coating porosity≤5%.
Embodiment three
The pot ontology is made of ceramic materials, and the magnetic layer is nickel magnetisable coating, and the antirust coat is anti-for inorganic silicon
The specific preparation method of rusty scale, the cookware is：
Ceramic pan surface to be sprayed is cleaned using alcohol, oxy-acetylene flame stream is used in combination to remove the oil on surface to be sprayed
Then dirt treats sprayed surface and carries out blasting treatment, the roughness for obtaining matrix surface is about Ra60 μm~80 μm；
Magnetisable coating is prepared using low pressure cold spray technique in pot bottom, sprayed on material is Ni powder, specific technological parameter
For：Working gas is helium, and injection pressure is 0.5MPa~0.8MPa, and injection temperation is 673K~773K, and gas velocity is
0.4m3/ min~0.5m3/ min, powder feed rate are 2kg/h~3kg/h, and jet length is 20mm~30mm, consumes power
For 5kW~10kW, powder size is 20 μm~40 μm；
One layer of inorganic silicon high-temperaure coating is prepared using Typical spray again on magnetisable coating surface；
Finally obtain the ceramic pan of the double structure coating with nickel magnetisable coating+inorganic silicon antirust coat, wherein the nickel of preparation
The thickness of magnetisable coating is 200~300 μm, coating porosity≤1%, and the thickness of the inorganic silicon antirust coat of preparation is 20 μm~30
μm, coating porosity≤5%.
Example IV
The pot ontology is made of aluminium alloy, and the magnetic layer is iron-silicon magnetisable coating, and the antirust coat is anti-for aluminium oxide
The specific preparation method of rusty scale, the cookware is：
Using subtle iron sand particle to pot ontology surface to be sprayed carry out blasting treatment, be not required to spraying position fixture into
Row blocks processing, so that surface to be sprayed is formed the surface with certain roughness, i.e., (roughness Ra of rough layer is 60 to rough layer
~80 μm), the surface after sanding is then blown clean the fine powder particles of its remained on surface with high pressure draught；
Sprayed surface is treated using oxy-acetylene flame and carries out the pre-heat treatment, and preheating temperature is 150 DEG C, and preheating time is
2min~3min；
Magnetisable coating is prepared in area to be sprayed using low pressure cold spray technique on cookware bottom heating surface, sprayed on material is
Fe-Si powder, specific technological parameter are：Working gas is air, and injection pressure is 0.8MPa~1.2MPa, and injection temperation is
773K~873K, gas velocity 0.5m3/ min~0.9m3/ min, powder feed rate are 3kg/h~5kg/h, jet length
For 10mm~25mm, consumption power is 15kW~20kW, and powder size is 10 μm~20 μm；
One layer of aluminium oxide antirust coat is then prepared using Typical spray technique on magnetisable coating surface；
Finally obtain the aluminum alloy pan of the double structure coating with iron-silicon magnetisable coating+aluminium oxide antirust coat, wherein system
The thickness of standby iron-silicon magnetisable coating is 600~800 μm, coating porosity≤2%, the thickness of the aluminium oxide antirust coat of preparation
It is 10 μm~20 μm, coating porosity≤4%.
Embodiment five
The pot ontology is made of 304 stainless steels, and the magnetic layer is cobalt magnetisable coating, and the antirust coat is anti-for fluororesin
The specific preparation method of rusty scale, the cookware is：
Using subtle iron sand particle to pot ontology surface to be sprayed carry out blasting treatment, be not required to spraying position fixture into
Row blocks processing, so that surface to be sprayed is formed the surface with certain roughness, i.e., (roughness Ra of rough layer is 60 to rough layer
~80 μm), the surface after sanding is then blown clean the fine powder particles of its remained on surface with high pressure draught；
Sprayed surface is treated using oxy-acetylene flame and carries out the pre-heat treatment, and preheating temperature is 150 DEG C, and preheating time is
2min~3min；
Magnetisable coating is prepared in area to be sprayed using low pressure cold spray technique on cookware bottom heating surface, sprayed on material is
Single Co powder, specific technological parameter are：Working gas is mixed gas, and injection pressure is 1.2MPa~1.5MPa, injection
Temperature is 373K~573K, gas velocity 0.9m3/ min~1.5m3/ min, powder feed rate are 5kg/h~8kg/h, spray
It is 40mm~50mm to penetrate distance, and consumption power is 20kW~25kW, and powder size is 15 μm~35 μm；
Then one layer of fluororesin rust-proof coating is prepared using coating processes on magnetisable coating surface；
Finally obtain 304 stainless-steel pans of the double structure coating with cobalt magnetisable coating+fluororesin antirust coat, wherein system
The thickness of standby cobalt magnetisable coating is 1200~1500 μm, coating porosity≤1.5%, the thickness of the fluororesin antirust coat of preparation
It is 30 μm~40 μm, coating porosity≤2%.
Embodiment six
The pot ontology is made of 304 stainless steels, and the magnetic layer is iron, cobalt magnetisable coating, and the antirust coat is inorganic
The specific preparation method of silicon antirust coat, the cookware is：
Using subtle iron sand particle to pot ontology surface to be sprayed carry out blasting treatment, be not required to spraying position fixture into
Row blocks processing, so that surface to be sprayed is formed the surface with certain roughness, i.e., (roughness Ra of rough layer is 60 to rough layer
~80 μm), the surface after sanding is then blown clean the fine powder particles of its remained on surface with high pressure draught；
Sprayed surface is treated using oxy-acetylene flame and carries out the pre-heat treatment, and preheating temperature is 150 DEG C, and preheating time is
2min~3min；
Magnetisable coating is prepared in area to be sprayed using high pressure cold spray technique on cookware bottom heating surface, sprayed on material is
The mixed-powder of single Fe, Co, specific technological parameter are：Working gas is helium, and injection pressure is 2.0MPa~3.0MPa,
Injection temperation is 173K~373K, gas velocity 1.8m3/ min~2.0m3/ min, powder feed rate be 12kg/h~
15kg/h, jet length are 25mm~35mm, and consumption power is 18kW~20kW, and powder size is 40 μm~50 μm；
Then one layer of inorganic silicon high-temperaure coating is prepared using coating processes on magnetisable coating surface；
Finally obtain the aluminum pot of the double structure coating with iron, cobalt magnetisable coating+inorganic silicon antirust coat, wherein preparation
Iron, cobalt magnetisable coating thickness be 1800 μm~2000 μm, coating porosity≤0.5%, the thickness of the inorganic silicon antirust coat of preparation
Degree is 40 μm~50 μm, coating porosity≤1%.
In conclusion cookware provided by the invention, by being arranged on pot ontology prepared by non-magnetic or weak permeability magnetic material
The double coating structures of magnetic layer+antirust coat so that cookware had not only had excellent electromagnetic heating function, but also being capable of permanently effective anti-corrosion
Erosion is convenient for the marketing of product to increase the competitiveness of product in market.Specifically, pot ontology by un-conducted magnetic material or
Weak permeability magnetic material is made, and magnetic layer is attached on the outer surface of pot ontology, to effectively increase the magnetic property of cookware, significantly
Increase the electromagnetic heating efficiency of cookware so that the tradition un-conducted magnetic material such as aluminium alloy, 304 stainless steels, ceramics or weak magnetic conduction material
Cookware prepared by material also has excellent electromagnetic heating function, and then expands the application neck of cookware made of these materials
Domain；And antirust coat is also attached on magnetic layer, antirust coat can play the role of being effectively protected to magnetic layer, reach long-term anti-corrosion
The effect of erosion further increases the competitiveness of product in market to effectively extend the service life of product；Further, since
Magnetic layer is made of the permeability magnetic material comprising magnetic conductive metal particle, and the outer surface of the magnetic layer has certain roughness,
So that antirust coat and the absorption combination effect of magnetic layer are more preferable, to prevent falling off for antirust coat.
In the present invention, term " first ", " second ", " third " are only used for the purpose of description, and should not be understood as indicating
Or imply relative importance；Term " multiple " then refers to two or more, unless otherwise restricted clearly.Term " installation ",
The terms such as " connected ", " connection ", " fixation " shall be understood in a broad sense, for example, " connection " may be a fixed connection, can also be can
Dismantling connection, or be integrally connected；" connected " can be directly connected, can also be indirectly connected through an intermediary.For this
For the those of ordinary skill in field, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In description of the invention, it is to be understood that the orientation or positional relationship of the instructions such as term "upper", "lower" be based on
Orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than indicates or imply institute
The device or unit of finger must have specific direction, with specific azimuth configuration and operation, it is thus impossible to be interpreted as to this hair
Bright limitation.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the present invention
It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or reality
Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more of the embodiments or examples with
Suitable mode combines.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (22)
1. a kind of cookware, which is characterized in that including：
Pot ontology, the pot ontology are made of un-conducted magnetic material or weak permeability magnetic material；
Magnetic layer is made of the permeability magnetic material comprising magnetic conductive metal particle, is attached on the outer surface of the pot ontology；With
Antirust coat is attached on the magnetic layer.
2. cookware according to claim 1, which is characterized in that
The magnetic layer is the cold spraying coating comprising magnetic conductive metal particle, and the roughness of the magnetic layer is 3 μm~12 μm.
3. cookware according to claim 1, which is characterized in that
The pot ontology includes pot body and the bottom of a pan, and the magnetic layer is attached to the lower part of the outer surface of the pot body and the bottom of a pan
Outer surface on.
4. cookware according to any one of claim 1 to 3, which is characterized in that
The thickness of the magnetic layer is 200 μm~2000 μm.
5. cookware according to any one of claim 1 to 3, which is characterized in that
The porosity of the magnetic layer is not more than 2%.
6. cookware according to any one of claim 1 to 3, which is characterized in that
The thickness of the antirust coat is 10 μm~50 μm；And/or
The porosity of the antirust coat is not more than 5%.
7. cookware according to any one of claim 1 to 3, which is characterized in that
The antirust coat is meltallizing metal coating.
8. cookware according to any one of claim 1 to 3, which is characterized in that
The magnetic layer includes one kind or more in ferromagnetism coating, nickel magnetisable coating, cobalt magnetisable coating and iron-silicon magnetisable coating
Kind；And/or
The antirust coat includes organic thermal control coating or inorganic refractory coating.
9. cookware according to any one of claim 1 to 3, which is characterized in that further include：
Rough layer is formed with the rough layer on the outer surface of the pot ontology, and the magnetic layer is attached to the rough layer
On.
10. a kind of cooking apparatus, which is characterized in that including cookware as claimed in any one of claims 1-9 wherein.
11. a kind of preparation method of cookware, is used to prepare cookware as claimed in any one of claims 1-9 wherein, feature exists
In, including：
Step S10：Pot ontology is prepared with un-conducted magnetic material or weak permeability magnetic material；
Step S30：Magnetic layer is prepared on the outer surface of the pot ontology；
Step S40：Antirust coat is prepared on the magnetic layer.
12. the preparation method of cookware according to claim 11, which is characterized in that
In the step S30, powder type coating preparation is sprayed on the outer surface of the pot ontology using cold spray process, makes institute
It states powder type coating preparation and forms the magnetic layer.
13. the preparation method of cookware according to claim 12, which is characterized in that
The powder type coating preparation includes one or more in iron powder, nickel powder, cobalt powder and iron-silica flour.
14. the preparation method of cookware according to claim 12, which is characterized in that
In the step S30, the parameter of cold spray process is：Working gas is air, helium, nitrogen or mixed gas, spray
Injection pressure is 0.5MPa~3MPa, and injection temperation is 0K~873K, gas velocity 0.4m3/ min~2m3/ min, powder conveying
Speed be 2kg/h~15kg/h, jet length be 10mm~50mm, consumption power be 5kW~25kW, powder size for 10 μm~
50μm。
15. the preparation method of cookware according to claim 11, which is characterized in that
The pot ontology includes pot body and the bottom of a pan, wherein in the step S30, the outer surface of the pot body lower part and
The magnetic layer is prepared on the outer surface in the bottom of a pan.
16. the preparation method of the cookware according to any one of claim 11 to 15, which is characterized in that
In the step S30, the thickness of the magnetic layer is 200 μm~2000 μm.
17. the preparation method of the cookware according to any one of claim 11 to 15, which is characterized in that
In the step S30, the porosity of the magnetic layer is not more than 2%.
18. the preparation method of the cookware according to any one of claim 11 to 15, which is characterized in that
In the step S40, using cold spray process, meltallizing technique, Typical spray technique or coating processes in the magnetic conduction
The antirust coat is prepared on layer.
19. the preparation method of cookware according to claim 18, which is characterized in that
In the step S40, the antirust coat includes organic thermal control coating or inorganic refractory coating.
20. the preparation method of the cookware according to any one of claim 11 to 15, which is characterized in that
In the step S40, the thickness of the antirust coat is 10 μm~50 μm.
21. the preparation method of the cookware according to any one of claim 11 to 15, which is characterized in that
In the step S40, the porosity of the antirust coat is not more than 5%.
22. the preparation method of the cookware according to any one of claim 11 to 15, which is characterized in that in the pot ontology
Outer surface on prepare the magnetic layer before, further include：
Step S20：Blasting treatment is carried out to the outer surface of the pot ontology, makes to be formed on the outer surface of the pot ontology coarse
Layer；
Wherein, in the step S30, the magnetic layer is prepared on the rough layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710032113.3A CN108324119B (en) | 2017-01-17 | 2017-01-17 | Pot, preparation method thereof and cooking utensil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710032113.3A CN108324119B (en) | 2017-01-17 | 2017-01-17 | Pot, preparation method thereof and cooking utensil |
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| CN108324119A true CN108324119A (en) | 2018-07-27 |
| CN108324119B CN108324119B (en) | 2020-05-15 |
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| CN201710032113.3A Active CN108324119B (en) | 2017-01-17 | 2017-01-17 | Pot, preparation method thereof and cooking utensil |
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| CN109355610A (en) * | 2018-09-30 | 2019-02-19 | 中国科学院宁波材料技术与工程研究所 | A kind of metallic matrix electromagnetic heating coating and its preparation method and application |
| CN112998528A (en) * | 2019-12-19 | 2021-06-22 | 佛山市顺德区美的电热电器制造有限公司 | Container, preparation method and cooking utensil |
| CN113116117A (en) * | 2019-12-31 | 2021-07-16 | 佛山市顺德区美的电热电器制造有限公司 | Container, cooking utensil and manufacturing method of container |
| CN113545648A (en) * | 2020-04-07 | 2021-10-26 | 佛山市顺德区美的电热电器制造有限公司 | Container, cooking utensil and manufacturing method of container |
| CN113995298A (en) * | 2020-07-28 | 2022-02-01 | 武汉苏泊尔炊具有限公司 | Magnetic conductive material, magnetic conductive plate and appliance |
| CN114010066A (en) * | 2021-11-11 | 2022-02-08 | 中山市晋盈电器有限公司 | IH inner container for electric cooker and preparation method thereof |
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| CN113116117B (en) * | 2019-12-31 | 2024-03-01 | 佛山市顺德区美的电热电器制造有限公司 | Container, cooking utensil and manufacturing method of container |
| CN113545648B (en) * | 2020-04-07 | 2022-11-22 | 佛山市顺德区美的电热电器制造有限公司 | Container, cooking utensil and manufacturing method of container |
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| CN113995298A (en) * | 2020-07-28 | 2022-02-01 | 武汉苏泊尔炊具有限公司 | Magnetic conductive material, magnetic conductive plate and appliance |
| CN114010066A (en) * | 2021-11-11 | 2022-02-08 | 中山市晋盈电器有限公司 | IH inner container for electric cooker and preparation method thereof |
| CN114209203A (en) * | 2021-11-30 | 2022-03-22 | 爱仕达股份有限公司 | Cooking container and manufacturing method thereof |
| CN114209203B (en) * | 2021-11-30 | 2023-01-13 | 爱仕达股份有限公司 | Cooking container and manufacturing method thereof |
| CN115161638B (en) * | 2022-06-29 | 2023-10-13 | 武汉苏泊尔炊具有限公司 | Composite magnetically conductive layer for cookware, preparation method thereof and cookware |
| WO2024003760A1 (en) * | 2022-06-29 | 2024-01-04 | 武汉苏泊尔炊具有限公司 | Composite magnetically permeable layer for pot, preparation method therefor, and pot |
| CN115161638A (en) * | 2022-06-29 | 2022-10-11 | 武汉苏泊尔炊具有限公司 | Composite magnetic conduction layer for pot, preparation method of composite magnetic conduction layer and pot |
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