CN109730529A - Cook nonmetallic heating device - Google Patents

Cook nonmetallic heating device Download PDF

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Publication number
CN109730529A
CN109730529A CN201910097358.3A CN201910097358A CN109730529A CN 109730529 A CN109730529 A CN 109730529A CN 201910097358 A CN201910097358 A CN 201910097358A CN 109730529 A CN109730529 A CN 109730529A
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China
Prior art keywords
glass
glass powder
powder
coating
nonmetallic
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CN201910097358.3A
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Chinese (zh)
Inventor
王德平
刘飞全
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Individual
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Individual
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Priority to CN201910097358.3A priority Critical patent/CN109730529A/en
Publication of CN109730529A publication Critical patent/CN109730529A/en
Priority to CN202010078164.1A priority patent/CN111150304B/en
Withdrawn legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00Cooking-vessels
    • A47J27/21Water-boiling vessels, e.g. kettles
    • A47J27/21008Water-boiling vessels, e.g. kettles electrically heated
    • A47J27/21041Water-boiling vessels, e.g. kettles electrically heated with heating elements arranged outside the water vessel
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00Cooking-vessels
    • A47J27/004Cooking-vessels with integral electrical heating means
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00Cooking-vessels
    • A47J27/21Water-boiling vessels, e.g. kettles
    • A47J27/21166Constructional details or accessories
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J36/00Parts, details or accessories of cooking-vessels
    • A47J36/02Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
    • A47J36/04Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay the materials being non-metallic
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00Glass compositions
    • C03C3/04Glass compositions containing silica
    • C03C3/062Glass compositions containing silica with less than 40% silica by weight
    • C03C3/064Glass compositions containing silica with less than 40% silica by weight containing boron
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00Glass compositions
    • C03C3/04Glass compositions containing silica
    • C03C3/062Glass compositions containing silica with less than 40% silica by weight
    • C03C3/064Glass compositions containing silica with less than 40% silica by weight containing boron
    • C03C3/066Glass compositions containing silica with less than 40% silica by weight containing boron containing zinc

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Food Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)
  • Cookers (AREA)

Abstract

The invention discloses a kind of nonmetallic heating devices, including nonmetallic kettle body and heated base, the heated base includes heat-generating disc, the nonmetallic kettle body is to cut the kettle body at bottom, the surface of the heat-generating disc is formed at least one layer of glass function coating by coating the first glass powder coating, the glass function coating is molded as one structure by the second glass powder coating with nonmetallic kettle body, so that nonmetallic kettle body and heated base are connected and fixed;The intracorporal food of nonmetallic pot is spaced by the glass function coating with heat-generating disc.Using the present invention, the ontology of heating device realizes complete nonmetallic production, can solve simultaneously cost is relatively low, the service life is long, safety, can volume production, cleaning the problems such as being easy.

Description

Cook nonmetallic heating device
Technical field
The present invention relates to fields of home appliance technology, the in particular to a kind of nonmetallic heating device of culinary art.
Background technique
Kettle is the necessity of life, from coal gas kettle to intelligent plastic electric heating kettle, arrives stainless steel insulating pot, then to partly Glass water pot, full glass water pot, product are being kept updating.It is glass physical stability of characteristics, safety, clean, it will not be with heating Food generate chemical reaction, do not have the secret worry of heavy metal, the transparent body of glass can penetrate far infrared, promoted water quality, Optimize water source.
Current full glass water pot substantially has technologies several in this way: transparent nano film, carbon film and thick film.The first two kind power declines Subtract fastly, abandoned by various manufacturers, the latter's power stability is good, but technique requires height, wants to the processing index of glass body Ask stringent, such as: smoothness, the uniformity of thickness, compactness cannot have bubble, hollow etc..In These parameters, any one Standard is not achieved, Electric radiant Heating Film is also easy to produce hot knot and micro- sudden strain of a muscle electric discharge, and instantaneous temperature is high, and it is broken to eventually lead to vitreum.Moreover, hair Hotting mask needs temperature characterisitic, the matched coefficients of thermal expansion with glass, while good can also adhere to, infiltrate with glass.And It also to fire and test after the slurry modulation of heating film, test period is long, and uncertain factor is big, once the physical property variation of glass is again The long period is spent to re-modulate.
With current glass industry level of processing both domestic and external, it is unable to satisfy above-mentioned processing index.Then at high cost High quartz glass comes into being to substitute the solution of the Pyrex of good economy performance.However, the cost of quartz glass is Tens times of Pyrex, although the thickness of quartz, flatness, bubble hollow are superior to borosilicate, quartzy fusing point is high, kettle body at Type difficult processing, cost is huge, is unable to volume production.
In order to solve the inherent shortcoming of glass material, occur other some solutions these years, such as: cut bottom glass Glass kettle body uses ceramic heating plate/crystallite heating plate and silica gel sealing ring, is embedded in and cuts in the glass pot body of bottom, form one kind Pseudo- full glass health-promotion kettle.It is directly contacted with heating liquid due to metal heating tray, although heat transfer efficiency can be improved, it is broken It is broken all-glass theory, during hot cooking food, food and silica gel are chemically reacted, and cause pollution, discoloration, heavy metal super Mark.Moreover, the place of sealing ring and heater transition is usually also the dead angle of cleaning, it cannot be guaranteed that safety and sanitation.In addition, above-mentioned The sealing consistency of structure is bad, can not achieve volume production.
For another example: heating film is attached directly in kettle body, since kettle body material conducts heat is bad, be easy to cause hot-spot, So that heating film overheats and ablation, it is also possible to cause kettle body to rupture because kettle body material cold-heat shrinks unevenness.
For another example: the scheme of external radiation places quartz heating-pipe in glass pot bottom, to being filled with water, glass container adds Heat, the disadvantage is that: bottom heat is high, it is seen that polished bard eye, control system inaccuracy etc..
That is, the scheme of current full glass water pot can not meet simultaneously, cost is relatively low, the service life is long, safety, can volume production, cleaning The problems such as being easy.
Summary of the invention
Technical problem to be solved by the present invention lies in, provide a kind of culinary art nonmetallic heating device, heating device Ontology realizes complete nonmetallic production, can solve simultaneously cost is relatively low, the service life is long, safety, can volume production, cleaning the problems such as being easy.
To reach above-mentioned technical effect, the present invention provides a kind of nonmetallic heating devices of culinary art, including nonmetallic pot Body and heated base, the heated base include heat-generating disc, and the nonmetallic kettle body is to cut the kettle body at bottom, the table of the heat-generating disc Face is formed at least one layer of glass function coating, the glass function coating and nonmetallic pot by coating the first glass powder coating Body is molded as one structure by the second glass powder coating, so that nonmetallic kettle body and heated base are connected and fixed;
The intracorporal food of nonmetallic pot is spaced by the glass function coating with heat-generating disc.
As an improvement of the above technical solution, the nonmetallic kettle body includes side wall and is not provided with bottom, the side wall shape At hollow kettle body structure.
As an improvement of the above technical solution, the second glass powder coating be by 0.5~20wt% glass powder, 50~ Paste made of 90wt% metal powder and 5~30wt% organic component.
As an improvement of the above technical solution, the glass powder includes SiO25~60%, Al2O35~30%, B2O3 2 ~30%, CaO 0~15%, MgO 0~5%, Bi2O30~70%, ZnO 0~50%, Li2O 0~10%, P2O50~ 5%, TiO20~5%, ZrO20~5%;
The metal powder is one or more of bronze, silver powder, copper powder, tungsten powder, palladium powder, platinum powder.
As an improvement of the above technical solution, the glass powder is made by following methods: by each component of glass powder by matching Side's mixing, water quenching uniform in 1250~1600 DEG C of meltings, drying, crushing obtain D50=2.5 μm of powder.
As an improvement of the above technical solution, the D of the metal powder502 μm of <.
As an improvement of the above technical solution, the first glass powder coating is mainly by 50~90wt% glass powder and 10 ~50wt% organic component composition;
The glass powder includes glass powder component A and 0~83wt% the glass powder component B of 17~100wt%, the glass Powder component A includes SiO2、Al2O3、B2O3, one of CaO or a variety of.
As an improvement of the above technical solution, the glass powder component A includes: SiO25~60%, Al2O35~60%, B2O32~10%, CaO 5~60%;
The glass powder component B includes: MgO 0~5%, P2O50~5%, TiO20~5%, ZrO20~5%, ZnO 0~50%, K2O 0~5%, Na2O 0~5%, Li2O 0~10%.
As an improvement of the above technical solution, the first glass powder coating is mainly by 50~80wt% glass powder, 10~ 40wt% organic component and 0.5~10wt% functional mixture composition;
The first glass powder coating can form the glass function coating with function far infrared radiation function in fever panel surface.
As an improvement of the above technical solution, the functional mixture includes oxide, carbide, nitride, rare earth oxygen One of compound is a variety of;
Infra red radiation band emissivity > 0.5 of the glass function coating at 9~50 μm.
Implement the invention has the following beneficial effects:
The present invention provides a kind of culinary art nonmetallic heating device,
One, fever panel surface is formed with one layer of glass function coating, makes it at applied at elevated temperature (heating for food), tool Standby safety, health, the function of health care.It is formed with the heat-generating disc of glass function coating, is had the advantages that
1, heat-resist: coating is intact after being subjected to 0-500 DEG C of cooling thermal impact, does not crack, and does not fall off;
2, compactness is good: the coating can completely cut off completely fever panel surface and air, in high-temperature heating, guarantee heat-generating disc It is not oxidized;The coating has good insulating properties simultaneously, when being used for electric heating, can charge to avoid surface, meets electrical peace Full needs;
3, chemical stability is good: the coating substantially belongs to crystallite-glass mixture, and chemical property is stablized, for adding When warm-served food product (< 400 DEG C), element-free is precipitated, and acid-proof alkaline is good, can meet the needs of food safety with direct food contact; The coating is bright and clean, smooth, and it is easy to clean to encounter greasy dirt;
4, specific far infrared radiation feature: in 50~200 DEG C of temperature ranges, infra-red radiation of the coating at 9~15 μm Wave band emissivity > 0.8, the radiation wave band are also the infra-red radiation fluctuation of water and human body simultaneously, are accordingly used in heating water or food, There is health-care effect to human body.
Two, glass function coating is sintered the structure that is connected to form one by the second glass powder coating with nonmetallic kettle body, with Realize really nonmetallic pot (preferably full glass pot) production.Wherein, the second glass powder coating can be by metal substrate and glass Glass/ceramics etc. are attached, and are allowed to have good sealing performance, and attachment fastness is good, good thermal shock, safe and reliable, nothing Heavy metal is precipitated.It avoids and bring a series of problems is connected using sealing ring.
Therefore, the present invention forms glass function using the first glass powder coating on the heat-generating disc of common heating pedestal and applies Layer forms glass connector using the second glass powder coating in the link position of nonmetallic kettle body and heated base, fundamentally Realize full glass production.
When heat-generating disc with glass function coating is for making full glass heating container, it is used as heated base, from source Solve the problems, such as that glass thermal coefficient is extremely low on head, to realize high-power, which can be in 800- 3000 watts of areas arbitrarily set and match.Moreover, the operating temperature of heat-generating disc is only at 109 degree or so, thus make the stability of heat-generating disc, can It is greatly improved by property, life cycle.
Therefore, the glass function coating and glass connector are fine and close, bright and clean, smooth, hard, chemical property is stable, energy Solve simultaneously cost is relatively low, the service life is long, safety, can volume production, cleaning the problems such as being easy.
Detailed description of the invention
Fig. 1 is a kind of cross-sectional view of nonmetallic heating kettle of the present invention.
Fig. 2 is the perspective view of the nonmetallic kettle body of the present invention.
Fig. 3 is the front sectional view of the nonmetallic kettle body of the present invention.
Fig. 4 is the partial enlarged view in the portion A shown in Fig. 3.
Fig. 5 is the bottom view of the nonmetallic kettle body of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with attached drawing The detailed description of step.
The scheme of current full glass water pot can not meet simultaneously cost is relatively low, the service life is long, safety, can volume production, cleaning hold The problems such as easy.Therefore, the present invention provides a kind of solution of new thought, by increasing on the metal heating tray of heated base If one layer of glass function coating, full glass water pot is realized with this.The method structure is simple, and cleaning is easy, easy to accomplish, however Glass and metal belong to two kinds of entirely different materials, and performance gap is very big, and glass is the non-conductor of heat, is sent out with metal Hot plate connection is difficult.How it to be equipped with glass function coating on metal heating tray, and solves it and be connected firmly, do not crack, do not take off Fall, service life length, safety, good heat conductivity the problems such as, become key point.
For this purpose, as shown in Figure 1, the present invention devises a kind of nonmetallic heating device of culinary art, including nonmetallic kettle body 1, Heated base 2 and function control pedestal 3, nonmetallic kettle body 1 is molded as one structure with heated base 2, then is placed on function control On pedestal 3 processed, realize that intelligent control is heated up water.
The heated base 2 includes heat-generating disc 21, and the surface of the heat-generating disc 21 is formed at least one layer of glass function and applies Layer 22, the heat-generating disc 21 are molded as one structure by glass function coating 22 and nonmetallic kettle body 1, and the glass function applies Food in nonmetallic kettle body 1 is spaced by layer 22 with heat-generating disc 21.
In conjunction with Fig. 2 and Fig. 3, the nonmetallic kettle body 1 is to cut the kettle body at bottom.
It should be noted that the kettle body for cutting bottom only includes side wall, and it is not provided with bottom, the side wall forms hollow kettle body Structure.The present invention cuts the bottom of the kettle body 1 at bottom and the glass function coating 22 of heated base connects, and forms a complete kettle body knot Structure.
The nonmetallic kettle body 1 can be glass pot body, ceramic pot body or quartzy kettle body, but not limited to this.Preferably, institute Stating nonmetallic kettle body is glass pot body.
As shown in figure 4, the heat-generating disc 21 is located at the bottom of glass function coating 22, it is made of metal, such as aluminium, Copper, stainless steel, aluminium alloy or copper alloy.The heat-generating disc 21 is preferably heating film, but not limited to this.
The nonmetallic heating device can be the kitchen appliances such as kettle, electrical boiler, electric cooker, but not limited to this.Figure Heating device shown in 1-4 is kettle.
Specifically, the glass function coating is coated by the first glass powder coating, is sintered and is made;First glass powder applies Material is mainly made of 50~90wt% glass powder and 10~50wt% organic component.
Wherein, the glass powder includes glass powder component A and 0~83wt% the glass powder component B of 17~100wt%, institute Stating glass powder component A includes SiO2、Al2O3、B2O3, one of CaO or a variety of.The glass powder component B includes MgO, P2O5, TiO2, ZrO2, ZnO, K2O, Na2O, Li2One of O or a variety of.
Preferably, the glass powder component A includes: SiO25~60%, Al2O35~60%, B2O32~10%, CaO 5~60%.More preferably, the glass powder component A includes: SiO210~50%, Al2O310~50%, B2O33~8%, CaO 10~50%.
The glass powder component B includes: MgO 0~5%, P2O50~5%, TiO20~5%, ZrO20~5%, ZnO 0~50%, K2O 0~5%, Na2O 0~5%, Li2O 0~10%.
Preferably, the glass powder component B includes: MgO 1~4%, P2O51~4%, TiO21~4%, ZrO21~ 4%, ZnO 10~50%, K2O 1~4%, Na2O 1~4%, Li2O 2~8%.More preferably, the glass powder component B packet It includes: MgO 2~3%, P2O52~3%, TiO22~3%, ZrO22~3%, ZnO 15~35%, K2O 2~3%, Na2O 2~3%, Li2O 3~5%.
The glass powder component A is necessary component, and glass powder component B is that component may be selected, by adjusting glass powder component A, in glass powder component B different component content ratio, different metal surfaces can be matched, form fine and close coating.
The glass powder is made by following methods:
By glass powder component A and glass powder component B 1250~1450 DEG C melting uniformly, water quenching, drying, crush to get To glass powder.Crush obtained powder D50=2.5 μm.
Common glass for sealing powder on the market, can not meet simultaneously matching metal surface, heat-resist, compactness is good, Chemical stability is good, safety and sanitation, specific far infrared radiation etc. require.That is, common glass for sealing powder on the market May there is no problem in terms of matching metal base, but heavy metal may be contained, it is also relatively low using temperature, when it is used to burn When kettle, hot and cold alternation is constantly carried out, is easily broken.
As the first glass powder coating more preferably embodiment, mainly by 50~80wt% glass powder, 0.5~10wt% Functional mixture and 10~50wt% of organic component composition.Preferably, the first glass powder coating mainly by 55~ 75wt% glass powder, 2~10wt% functional mixture and 15~35wt% of organic component composition.The first glass powder coating The glass function coating with function far infrared radiation function can be formed in fever panel surface.
The functional mixture is the mixture of a variety of inorganic compounds, and main purpose is to realize specific Far-infrared spoke Penetrate function.The functional mixture includes one of oxide, carbide, nitride, rare earth oxide or a variety of.
Specifically, the functional mixture include iron oxide, nickel oxide, cobalt oxide, copper oxide, zinc oxide, silica, One of silicon carbide, tungsten carbide, aluminium nitride, aluminum tungstate, rare earth oxide are a variety of, are matched by above-mentioned different compounds, The adjustable glass function coating it is different at use temperature, have optimal infra-red radiation emissivity.
Common glass for sealing powder does not have far infrared characteristic radiation function on the market, for heating water or food, to people Body does not have health-care effect.
The organic component can select resin or alcohols solvent, and the resin includes ethyl cellulose, and the alcohols is molten Agent includes terpinol, but not limited to this.The organic component provides certain rheological behavior to coating as auxiliary material, the company of being formed Continue uniform film layer.
The present invention mixes functional mixture with glass powder, organic component, is sufficiently stirred, and is uniformly dispersed and can be prepared by institute State the first glass powder coating.The first glass powder coating can form the glass with function far infrared radiation function in fever panel surface Functional coating.The glass function coating with a thickness of 9~50 μm, preferably 9~15 μm or 20~40 μm.
In 50~200 DEG C of temperature ranges, the glass function coating 9~50 μm infra red radiation band emissivity > 0.5。
Preferably, in 50~200 DEG C of temperature ranges, infra red radiation band of the glass function coating at 9~15 μm Emissivity > 0.8.In 50~200 DEG C of temperature ranges, the glass function coating emits in 20~40 μm of infra red radiation band Rate > 0.8.The radiation wave band is also the infra-red radiation fluctuation of water and human body simultaneously, is accordingly used in heating water or food, has to human body Health-care effect.
The heat-generating disc can be made of aluminium, copper, stainless steel, aluminium alloy or copper alloy, but be not limited to.Coating of the present invention can be with Meet the needs of a variety of different metals, it, can by adjusting the content ratio of different component in glass powder component A, glass powder component B To match different metal surfaces, fine and close coating is formed.Pass through matching feature mixture, the adjustable glass function again Can coating it is different at use temperature, have optimal infra-red radiation emissivity.
Coating is coated on heat-generating disc, glass function coating is formed, has the advantages that
1, heat-resist: coating is intact after being subjected to 0-500 DEG C of cooling thermal impact, does not crack, and does not fall off;
2, compactness is good: the coating can completely cut off completely fever panel surface and air, in high-temperature heating, guarantee heat-generating disc It is not oxidized;The coating has good insulating properties simultaneously, when being used for electric heating, can charge to avoid surface, meets electrical peace Full needs;
3, chemical stability is good: the coating substantially belongs to crystallite-glass mixture, and chemical property is stablized, for adding When warm-served food product (< 400 DEG C), element-free is precipitated, and acid-proof alkaline is good, can meet the needs of food safety with direct food contact; The coating is bright and clean, smooth, and it is easy to clean to encounter greasy dirt;
4, specific far infrared radiation feature: in 50~200 DEG C of temperature ranges, infra-red radiation of the coating at 9~15 μm Wave band emissivity > 0.8, the radiation wave band are also the infra-red radiation fluctuation of water and human body simultaneously, are accordingly used in heating water or food, There is health-care effect to human body.
Therefore, the glass function coating is fine and close, bright and clean, smooth, hard, chemical property is stable, it is made to be applied to production When full glass water pot, can solve simultaneously cost is relatively low, the service life is long, safety, can volume production, cleaning the problems such as being easy.
Heated base can be connect with nonmetallic kettle body by numerous embodiments, as currently preferred embodiment party Formula, glass function coating and nonmetallic kettle body on the heat-generating disc of the heated base are connected by the sintering of the second glass powder coating Form integral structure.Second glass powder coating can by metal substrate (such as stainless steel, aluminium, copper or other alloys) and glass/ Ceramic (such as high-boron-silicon glass, quartz glass, devitrified glass, ceramics) etc. are attached, and are allowed to have good sealing performance, And attachment fastness is good, good thermal shock, safe and reliable, heavy metal free are precipitated.It avoids and one system of bring is connected using sealing ring Column problem.
Specifically, the second glass powder coating be by 0.5~20wt% glass powder, 50~90wt% metal powder and 5~ Paste made of 30wt% organic component.
The glass powder includes SiO25~60%, Al2O35~30%, B2O32~30%, CaO 0~15%, MgO 0 ~5%, Bi2O30~70%, ZnO 0~50%, Li2O 0~10%, P2O50~5%, TiO20~5%, ZrO20~ 5%;
Preferably, the glass powder includes SiO210~50%, Al2O310~20%, B2O35~20%, CaO 0~ 8%, MgO 0~3%, Bi2O30~50%, ZnO 0~40%, Li2O 0~8%, P2O50~3%, TiO20~3%, ZrO20~3%.
The glass powder is made by following methods: molten at 1250~1600 DEG C by each component of glass powder by formula mixing Melt uniformly water quenching, drying, crushing obtains D50=2.5 μm of powder.
The said components of the glass powder by adjusting different content ratios, can match different metal and glass/ Crunch seal.
The metal powder is one or more of bronze, silver powder, copper powder, tungsten powder, palladium powder, platinum powder.The metal powder D502 μm of <.The partial size of the metal powder and the partial size of above-mentioned glass powder are mutually arranged in pairs or groups, so that it is easy molding during the bonding process.
The organic component can select resin or alcohols solvent, and the resin includes ethyl cellulose, and the alcohols is molten Agent includes terpinol, but not limited to this.The organic component provides certain rheological behavior to coating as auxiliary material, the company of being formed Continue uniform film layer.
The second glass powder coating main constituents are made of glass powder and metal powder, and tune is then mixed with organic carrier Paste is made, the requirement according to different materials to sealing-in, at 600~1300 DEG C, sealing-in under air atmosphere or protective atmosphere, It has the advantage that
1, attachment fastness is good: thermal expansion coefficient can be differed to two kinds of bigger materials, metal-glass/crunch seal Get up;
2, good thermal shock: the material itself has certain ductility, and elasticity modulus is between glass/ceramic and metal Between, closer to metal, it is ensured that in use, two kinds of materials will not cause to produce at sealing-in because of the big ups and downs of temperature Raw small slight crack, causes sealing-in to be failed;
3, safety: for the seal, sealing materials without heavy metal elements such as lead cadmium chromium mercury, chemical stability is good, no other element analysis Out, used below safe and reliable at 400 DEG C.Moreover, the seal, sealing materials contain metal powder, electric conductor can be played the role of, protected Demonstrate,prove the safety of electric heater unit.
It should be noted that the second glass powder coating can also not contain metal powder, replaced with other glass frit components Generation, as long as it realizes the bonding of heated base and nonmetallic kettle body.Its conductive security performance can be assisted by others Structure is realized.
The glass function coating and glass connector are fine and close, bright and clean, smooth, hard, chemical property is stable, can solve simultaneously Certainly cost is relatively low, the service life is long, safety, can volume production, cleaning the problems such as being easy.Specifically, the heat-generating disc with glass function coating When for making full glass heating container, it being used as heated base, solves the problems, such as that glass thermal coefficient is extremely low from source, High-power to realize, which can arbitrarily set in 800-3000 watts of area matches.Moreover, the work of heat-generating disc Make temperature only at 109 degree or so, so that the stability of heat-generating disc, reliability, life cycle be made to greatly improve.
Further, as shown in Figure 3 and Figure 4, in order to guarantee between nonmetallic kettle body and glass function coating have more preferably Connection effect, the nonmetallic kettle body 11 for cutting bottom includes bottle body 11A, the recess portion 11B connecting with bottle body 11A or protrusion, described Recess portion 11B or protrusion either laterally or medially form an evener 11C, and the evener 11C passes through with glass function coating 22 Glass powder coating is connected and fixed.
Preferably, the width of the evener is 2-5mm.If the width of flatness is less than 2mm, lead to compactness not It is good, it is easy to happen leak or infiltration.If the width of flatness is greater than 5mm, the heat transfer efficiency of heating device will affect.
Fixed ring can be equipped on the recess portion 11B or protrusion.The fixed ring can according to the face shaping of product come Matching design is carried out, moreover, be also provided with connector in the fixed ring, for realizing being connected and fixed for kettle body and pedestal.
Further, nonmetallic heating device is made by following methods:
The nonmetallic kettle body at bottom is cut in production;
Prepare heated base, the surface of heated base is heat-generating disc;
Fever panel surface is pre-processed, keeps its bright and clean, smooth;
By the way of spraying or printing, the first glass powder coating is uniformly coated on fever panel surface;
The heat-generating disc for being coated with the first glass powder coating is sintered at 600~1000 DEG C, is formed and is caused on the surface of heat-generating disc The glass function coating close, bright and clean, smooth, hard, chemical property is stable;
It is coated with the second glass powder coating in place of nonmetallic kettle body is connected with the glass function coating of heated base, then will Nonmetallic kettle body and heated base fit closely, and are sintered sealing-in under 600~1300 DEG C, air atmosphere or protective atmosphere, obtain Finished product.
The present invention forms glass function coating on the surface of heat-generating disc using the first glass powder coating, then applies in glass function Layer and the junction of nonmetallic kettle body coat the second glass powder coating, and are sintered, and heat-generating disc is made to connect to form one with glass pot body The full glass heating kettle of body formula, full glass heating kettle property is stable, safe, clean, and it is anti-will not to generate chemistry with the food of heating It answers, not the secret worry of heavy metal, health.Moreover, the full glass heating kettle good heat conductivity of the present invention, can be such that heat-generating disc issues Heat uniformly, be efficiently transmitted to kettle body and heated liquid, and then improve the service life of kettle body and heater, avoid kettle body Rupture, avoids heater ablation, avoids being detached between kettle body and heater.
Therefore, it present invention employs the nonmetallic heating kettle of brand new, is utilized on the heat-generating disc of common heating pedestal First glass powder coating forms glass function coating, utilizes the second glass powder in the link position of nonmetallic kettle body and heated base Coating forms glass connection, fundamentally realizes the production of full glass, can solve that cost is relatively low, the service life is long, safety, can measure simultaneously It produces, clean the problems such as being easy.
With specific embodiment, the present invention is further explained below
Embodiment 1
One, the nonmetallic kettle body at bottom is cut in production, which is high-boron-silicon glass pot;
Two, prepare heated base, the surface of heated base is heat-generating disc, and heat-generating disc selects 430 stainless steels to be made;
Three, fever panel surface is pre-processed, keeps its bright and clean, smooth;
Four, the first glass powder coating is prepared:
1, the preparation of glass powder: the proportion of glass powder is SiO229%, Al2O314%, B2O37%, CaO 45%, TiO23%, ZrO22%, by said components, in 1450 DEG C of meltings, uniform, water quenching, drying, crushing obtain D50=2.5 μm of powder End to get arrive glass powder;
2, the first glass powder coating is modulated: said components are sufficiently stirred for organic component 38%, glass powder 62%, cross three Roller machine is uniformly dispersed, and obtains the coating that viscosity is 1~2pa.s;
Five, the heat-generating disc surface clean of heated base is clean, it is by the way of spraying, the first glass powder coating is uniform It is coated on fever panel surface;
Six, the heat-generating disc for being coated with the first glass powder coating is dried at 150 DEG C, then in 850 DEG C of sintering 10min, is obtained To about 20~40 μm of semitransparent coating of thickness;
Seven, the second glass powder coating is prepared
1, the preparation of glass powder: the proportion of glass powder is SiO230%, Al2O310%, B2O315%, MgO 5%, ZnO 25%, CaO 15%;By said components, in 1450 DEG C of meltings, uniform, water quenching, drying, crushing obtain D50=2.5 μm of powder End to get arrive glass powder;
2, metal powder: fine silver powder, D50<2μm;
3, soldering paste is prepared: organic component 15%, glass powder 5%, metal powder 80% said components are sufficiently stirred, mistake Three-roller is uniformly dispersed, and obtains seal, sealing materials paste;
Eight, one layer of uniform sealing-in material is coated in place of nonmetallic kettle body is connected with the glass function coating of heated base Material, then fits closely the two, in 250 DEG C of drying 30min, then in 650 DEG C of sintering 10min;
Nine, processing, sealing-in better effect are passivated to fever panel surface.
Embodiment 2
One, the nonmetallic kettle body at bottom is cut in production, which is high-boron-silicon glass pot;
Two, prepare heated base, the surface of heated base is heat-generating disc, and heat-generating disc selects 430 stainless steels to be made;
Three, fever panel surface is pre-processed, keeps its bright and clean, smooth;
Four, the first glass powder coating is prepared:
1, the preparation of glass powder: the proportion of glass powder is SiO232%, Al2O312%, B2O37%, CaO 45%, TiO22%, ZrO22%, by said components, in 1450 DEG C of meltings, uniform, water quenching, drying, crushing obtain D50=2.5 μm of powder End to get arrive glass powder;
2, the proportion of functional mixture: tungsten carbide 60%, iron oxide 25%, zinc oxide 15%;
3, the first glass powder coating is modulated: organic component 40%, glass powder 50%, functional mixture 10%, by above-mentioned group Divide and be sufficiently stirred, cross three-roller and be uniformly dispersed, obtains the coating that viscosity is 1~2pa.s;
Five, the heat-generating disc surface clean of heated base is clean, by the way of spraying or printing, by the first glass powder Coating is uniformly coated on fever panel surface;
Six, the heat-generating disc for being coated with the first glass powder coating is dried at 150 DEG C, then in 850 DEG C of sintering 10min, is obtained To about 9~15 μm of semitransparent coating of thickness;
Seven, the second glass powder coating is prepared
1, the preparation of glass powder: the proportion of glass powder is SiO240%, Al2O310%, B2O310%, MgO 5%, ZnO 25%, CaO 10%;By said components, in 1450 DEG C of meltings, uniform, water quenching, drying, crushing obtain D50=2.5 μm of powder, i.e., Obtain glass powder;
2, metal powder: pure copper powder, D50<2μm;
3, soldering paste is prepared: organic component 10%, glass powder 5%, metal powder 85% said components are sufficiently stirred, mistake Three-roller is uniformly dispersed, and obtains seal, sealing materials paste;
Eight, one layer of uniform sealing-in material is coated in place of nonmetallic kettle body is connected with the glass function coating of heated base Material, then fits closely the two, in 250 DEG C of drying 30min, then in 650 DEG C of sintering 10min;
Nine, processing, sealing-in better effect are passivated to fever panel surface.
Embodiment 3
One, the nonmetallic kettle body at bottom is cut in production, which is devitrified glass pot;
Two, prepare heated base, the surface of heated base is heat-generating disc, and heat-generating disc selects aluminum substrate to be made;
Three, fever panel surface is pre-processed, keeps its bright and clean, smooth;
Four, the first glass powder coating is prepared:
1, the preparation of glass powder: the proportion of glass powder is SiO25%, Al2O330%, B2O38%, CaO 50%, TiO2 3%, ZrO23%, K2O1%, by said components, in 1250 DEG C of meltings, uniform, water quenching, drying, crushing obtain D50=2.5 μm Powder to get arrive glass powder;
2, the first glass powder coating is modulated: said components are sufficiently stirred for organic component 25%, glass powder 75%, cross three Roller machine is uniformly dispersed, and obtains the coating that viscosity is 20~30pa.s;
Five, the heat-generating disc surface clean of heated base is clean, by the way of silk-screen printing, by the first glass powder coating It is uniformly coated on fever panel surface;
Six, the heat-generating disc for being coated with the first glass powder coating is dried at 150 DEG C, then in 650 DEG C of sintering 10min, is obtained To about 20~40 μm of semitransparent coating of thickness;
Seven, the second glass powder coating is prepared
1, the preparation of glass powder: the proportion of glass powder is SiO260%, Al2O315%, B2O310%, MgO 5%, Li2O 4%, K2O 2%, P2O52%, TiO21%, ZrO21%;Said components are uniform in 1550 DEG C of meltings, and water quenching is dried Dry, crushing obtains D50=2.5 μm of powder to get arrive glass powder;
2, metal powder: silver powder 95%, palladium powder 5%;D50<2μm;
3, soldering paste is prepared: organic component 15%, glass powder 5%, metal powder 80% said components are sufficiently stirred, mistake Three-roller is uniformly dispersed, and obtains seal, sealing materials paste;
Eight, one layer of uniform sealing-in material is coated in place of nonmetallic kettle body is connected with the glass function coating of heated base Material, then fits closely the two, in 250 DEG C of drying 30min, then in 950 DEG C of sintering 30min;
Nine, processing, sealing-in better effect are passivated to fever panel surface.
Embodiment 4
One, the nonmetallic kettle body at bottom is cut in production, which is devitrified glass pot;
Two, prepare heated base, the surface of heated base is heat-generating disc, and heat-generating disc selects aluminum substrate to be made;
Three, fever panel surface is pre-processed, keeps its bright and clean, smooth;
Four, the first glass powder coating is prepared:
1, the preparation of glass powder: the proportion of glass powder is SiO210%, Al2O325%, B2O310%, CaO 50%, TiO22%, ZrO22%, K2O 1%, by said components, in 1250 DEG C of meltings, uniform, water quenching, drying, crushing obtain D50=2.5 μm powder to get arrive glass powder;
2, the proportion of functional mixture: silica 70%, iron oxide 20%, copper oxide 10%;
3, the first glass powder coating is modulated: organic component 25%, glass powder 70%, functional mixture 5%, by said components It is sufficiently stirred, crosses three-roller and be uniformly dispersed, obtain the coating that viscosity is 20~30pa.s;
Five, the heat-generating disc surface clean of heated base is clean, by the way of silk-screen printing, by the first glass powder coating It is uniformly coated on fever panel surface;
Six, the heat-generating disc for being coated with the first glass powder coating is dried at 150 DEG C, then in 650 DEG C of sintering 10min, is obtained To about 20~40 μm of semitransparent coating of thickness;
Seven, the second glass powder coating is prepared
1, the preparation of glass powder: the proportion of glass powder is SiO260%, Al2O315%, B2O310%, MgO 5%, Li2O 4%, K2O 2%, P2O52%, TiO21%, ZrO21%;Said components are uniform in 1550 DEG C of meltings, and water quenching is dried Dry, crushing obtains D50=2.5 μm of powder to get arrive glass powder;
2, metal powder: silver powder 90%, palladium powder 10%;D50<2μm;
3, soldering paste is prepared: organic component 12%, glass powder 8%, metal powder 80% said components are sufficiently stirred, mistake Three-roller is uniformly dispersed, and obtains seal, sealing materials paste;
Eight, one layer of uniform sealing-in material is coated in place of nonmetallic kettle body is connected with the glass function coating of heated base Material, then fits closely the two, in 250 DEG C of drying 30min, then in 950 DEG C of sintering 30min;
Nine, processing, sealing-in better effect are passivated to fever panel surface.
Embodiment 5
One, the nonmetallic kettle body at bottom is cut in production, which is aluminium oxide ceramics pot;
Two, prepare heated base, the surface of heated base is heat-generating disc, and heat-generating disc selects 304 stainless steels to be made;
Three, fever panel surface is pre-processed, keeps its bright and clean, smooth;
Four, the first glass powder coating is prepared:
1, the preparation of glass powder: the proportion of glass powder is SiO256%, P2O53%, Li2O 6%, CaO 0.5%, K2O 2.5%, ZnO 28%, B2O34%, by said components, in 1450 DEG C of meltings, uniform, water quenching, drying, crushing obtain D50=2.5 μ The powder of m to get arrive glass powder;
2, the proportion of functional mixture: silicon carbide 60%, cobalt oxide 20%, copper oxide 20%;
3, the first glass powder coating is modulated: organic component 35%, glass powder 62%, functional mixture 3%, by said components It is sufficiently stirred, crosses three-roller and be uniformly dispersed, obtain the coating that viscosity is 1~2pa.s;
Five, the heat-generating disc surface clean of heated base is clean, it is by the way of spraying, the first glass powder coating is uniform It is coated on fever panel surface;
Six, the heat-generating disc for being coated with the first glass powder coating is dried at 150 DEG C, then in 850 DEG C of sintering 10min, is obtained To about 20~40 μm of semitransparent coating of thickness;
Seven, the second glass powder coating is prepared
1, the preparation of glass powder: the proportion of glass powder is Al2O360%, B2O330%, Bi2O310%;By said components It is uniformly mixed, uniform in 1600 DEG C of meltings, then water quenching, drying crushes and obtains D50=2.5 μm of powder to get arrive glass powder;
2, metal powder: tungsten powder, D50=2.5 μm;
3, soldering paste is prepared: organic component 15%, glass powder 10%, metal powder 75% said components are sufficiently stirred, mistake Three-roller is uniformly dispersed, and obtains seal, sealing materials paste;
Eight, one layer of uniform sealing-in material is coated in place of nonmetallic kettle body is connected with the glass function coating of heated base Material, then fits closely the two, in 250 DEG C of drying 30min, then at 1300 DEG C, under hydrogen atmosphere protection, is sintered 10min, ?.
Embodiment 6
One, the nonmetallic kettle body at bottom is cut in production, which is aluminium oxide ceramics pot;
Two, prepare heated base, the surface of heated base is heat-generating disc, and heat-generating disc selects 304 stainless steels to be made;
Three, fever panel surface is pre-processed, keeps its bright and clean, smooth;
Four, the first glass powder coating is prepared:
1, the preparation of glass powder: the proportion of glass powder is SiO215%, Al2O319%, P2O53%, Li2O 6%, CaO 0.5%, K2O 2.5%, ZnO 50%, B2O34%, by said components, in 1450 DEG C of meltings, uniform, water quenching, drying are crushed To D50=2.5 μm of powder to get arrive glass powder;
2, the proportion of functional mixture: silicon carbide 60%, iron oxide 20%, copper oxide 20%;
3, the first glass powder coating is modulated: organic component 19%, glass powder 80%, functional mixture 1%, by said components It is sufficiently stirred, crosses three-roller and be uniformly dispersed, obtain the coating that viscosity is 1~2pa.s;
Five, the heat-generating disc surface clean of heated base is clean, it is by the way of spraying, the first glass powder coating is uniform It is coated on fever panel surface;
Six, the heat-generating disc for being coated with the first glass powder coating is dried at 150 DEG C, then in 850 DEG C of sintering 10min, is obtained To about 20~40 μm of semitransparent coating of thickness;
Seven, the second glass powder coating is prepared
1, the preparation of glass powder: the proportion of glass powder is Al2O360%, B2O330%, Bi2O310%;By said components It is uniformly mixed, uniform in 1600 DEG C of meltings, then water quenching, drying crushes and obtains D50=2.5 μm of powder to get arrive glass powder;
2, metal powder: tungsten powder 90%, silver powder 10%, D50=2.5 μm;
3, soldering paste is prepared: organic component 15%, glass powder 10%, metal powder 75% said components are sufficiently stirred, mistake Three-roller is uniformly dispersed, and obtains seal, sealing materials paste;
Eight, one layer of uniform sealing-in material is coated in place of nonmetallic kettle body is connected with the glass function coating of heated base Material, then fits closely the two, in 250 DEG C of drying 30min, then at 1300 DEG C, under hydrogen atmosphere protection, is sintered 10min, ?.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as Protection scope of the present invention.

Claims (10)

1. a kind of nonmetallic heating device of culinary art, including nonmetallic kettle body and heated base, the heated base includes fever Disk, which is characterized in that the nonmetallic kettle body is to cut the kettle body at bottom, and the surface of the heat-generating disc is applied by the first glass powder of coating Material is formed at least one layer of glass function coating, the glass function coating and nonmetallic kettle body by the second glass powder coating at Type is structure as a whole, so that nonmetallic kettle body and heated base are connected and fixed;
The intracorporal food of nonmetallic pot is spaced by the glass function coating with heat-generating disc.
2. cooking nonmetallic heating device as described in claim 1, which is characterized in that the nonmetallic kettle body includes side wall And it is not provided with bottom, the side wall forms hollow kettle body structure.
3. cooking nonmetallic heating device as described in claim 1, which is characterized in that the second glass powder coating is served as reasons Paste made of 0.5~20wt% glass powder, 50~90wt% metal powder and 5~30wt% organic component.
4. cooking nonmetallic heating device as claimed in claim 3, which is characterized in that the glass powder includes SiO25~ 60%, Al2O35~30%, B2O32~30%, CaO 0~15%, MgO 0~5%, Bi2O30~70%, ZnO 0~ 50%, Li2O 0~10%, P2O50~5%, TiO20~5%, ZrO20~5%;
The metal powder is one or more of bronze, silver powder, copper powder, tungsten powder, palladium powder, platinum powder.
5. cooking nonmetallic heating device as claimed in claim 4, which is characterized in that the glass powder is by following methods system : by each component of glass powder by formula mixing, uniformly water quenching, drying are melted at 1250~1600 DEG C, crushing obtains D50= 2.5 μm of powder.
6. cooking nonmetallic heating device as claimed in claim 4, which is characterized in that the D of the metal powder502 μm of <.
7. cooking nonmetallic heating device as described in claim 1, which is characterized in that the first glass powder coating is main It is made of 50~90wt% glass powder and 10~50wt% organic component;
The glass powder includes glass powder component A and 0~83wt% glass the powder component B of 17~100wt%, the glass powder group Dividing A includes SiO2、Al2O3、B2O3, one of CaO or a variety of.
8. cooking nonmetallic heating device as claimed in claim 7, which is characterized in that the glass powder component A includes: SiO25~60%, Al2O35~60%, B2O32~10%, CaO 5~60%;
The glass powder component B includes: MgO 0~5%, P2O50~5%, TiO20~5%, ZrO20~5%, ZnO 0~ 50%, K2O 0~5%, Na2O 0~5%, Li2O 0~10%.
9. cooking nonmetallic heating device as claimed in claim 7, which is characterized in that the first glass powder coating is main By 50~80wt% glass powder, 10~40wt% organic component and 0.5~10wt% functional mixture composition;
The first glass powder coating can form the glass function coating with function far infrared radiation function in fever panel surface.
10. cooking nonmetallic heating device as claimed in claim 9, which is characterized in that the functional mixture includes oxygen One of compound, carbide, nitride, rare earth oxide are a variety of;
Infra red radiation band emissivity > 0.5 of the glass function coating at 9~50 μm.
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CN113860749A (en) * 2021-09-24 2021-12-31 北京北旭电子材料有限公司 Glass powder and preparation method thereof
EP4207942A1 (en) * 2021-12-31 2023-07-05 Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co., Ltd. Heat-generating assembly, cooking appliance, and cooking device

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CN113860749A (en) * 2021-09-24 2021-12-31 北京北旭电子材料有限公司 Glass powder and preparation method thereof
EP4207942A1 (en) * 2021-12-31 2023-07-05 Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co., Ltd. Heat-generating assembly, cooking appliance, and cooking device

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Application publication date: 20190510