CN113941704A - Electromagnetic induction heating layer and preparation method thereof, and atomization core and preparation method thereof - Google Patents
Electromagnetic induction heating layer and preparation method thereof, and atomization core and preparation method thereof Download PDFInfo
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- CN113941704A CN113941704A CN202111031692.2A CN202111031692A CN113941704A CN 113941704 A CN113941704 A CN 113941704A CN 202111031692 A CN202111031692 A CN 202111031692A CN 113941704 A CN113941704 A CN 113941704A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/46—Shape or structure of electric heating means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
- B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
- B22F3/04—Compacting only by applying fluid pressure, e.g. by cold isostatic pressing [CIP]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/1003—Use of special medium during sintering, e.g. sintering aid
- B22F3/1007—Atmosphere
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/11—Making porous workpieces or articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/14—Both compacting and sintering simultaneously
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/002—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of porous nature
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
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- Chemical & Material Sciences (AREA)
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- General Induction Heating (AREA)
Abstract
The invention discloses an electromagnetic induction heating layer and a preparation method thereof, and an atomization core and a preparation method thereof, wherein the electromagnetic induction heating layer comprises the following raw materials in parts by weight: 50-100 parts of magnetic conductive metal powder, 0-30 parts of ceramic powder, 0-40 parts of sintering aid and 0-30 parts of paraffin; the electromagnetic induction heating layer is a structural layer with pores formed by sintering the raw materials. The electromagnetic induction heating layer is used for the atomizing core and is used as a heating body of the atomizing core, and is prepared by sintering raw materials such as magnetic conductive metal powder and the like and has a porous structure; when the atomizing device is used, the heating atomization of the atomized liquid is realized by generating heat through the electromagnetic effect, and the characteristic that the electromagnetic induction heating layer is porous ensures that the atomized liquid is sufficiently supplied and atomized steam can smoothly emerge from the holes, so that the atomizing effect and the uniformity are improved.
Description
Technical Field
The invention relates to the technical field of atomization, in particular to an electromagnetic induction heating layer and a preparation method thereof, and an atomization core and a preparation method thereof.
Background
The ceramic atomizing core has the characteristics of high stability, high strength and the like, and is more and more widely applied to the atomizing field. At present, the heating body of the ceramic atomizing core mainly has two types: one is a heating wire and the other is a thick film printed circuit. The principle of the heating element is that the atomization of the atomization core is realized by directly converting electric energy into heat energy, wherein the heating wire is often unstable in combination with ceramic or unstable in contact resistance value to influence the atomization effect; thick film printed circuits also suffer from poor uniformity of the atomisation effect due to the difficulty in controlling the cross-sectional area on the porous support.
Disclosure of Invention
The invention aims to provide an electromagnetic induction heating layer for an atomization core, which generates heat through electromagnetic induction, a preparation method of the electromagnetic induction heating layer, the atomization core with the electromagnetic induction heating layer and the preparation method of the atomization core.
The technical scheme adopted by the invention for solving the technical problems is as follows: the electromagnetic induction heating layer for the atomization core comprises the following raw materials in parts by mass: 50-100 parts of magnetic conductive metal powder, 0-30 parts of ceramic powder, 0-40 parts of sintering aid and 0-30 parts of paraffin;
the electromagnetic induction heating layer is a structural layer with pores formed by sintering the raw materials.
Preferably, the magnetic conductive metal powder includes at least one of stainless iron, carbon steel, an iron-aluminum alloy, an iron-silicon-aluminum alloy, an iron-cobalt alloy, a soft magnetic ferrite, nickel, cobalt, an amorphous soft magnetic alloy, and an ultra-crystalline soft magnetic alloy.
Preferably, the granularity of the magnetic conductive metal powder is 80-1000 meshes.
Preferably, the ceramic powder comprises at least one of alumina, cordierite, silicon carbide, titanium diboride, barium titanate and porcelain stone tailings.
Preferably, the granularity of the ceramic powder is 100-2000 meshes.
Preferably, the sintering aid comprises at least one of low-temperature glaze, frit and low-melting-point glass powder.
Preferably, the particle size of the sintering aid is 200 meshes to 2000 meshes.
The invention also provides a preparation method of the electromagnetic induction heating layer, which comprises the following steps:
s1.1, mixing the raw materials in parts by weight, and pressing and forming the raw materials into a heating layer blank;
s1.2, sintering the heating layer blank in vacuum or inert atmosphere to form the electromagnetic induction heating layer.
Preferably, in step S1, the compression molding is performed by dry compression molding, isostatic compression molding or hot compression molding.
Preferably, the pressure of the dry pressing molding is 1MPa-80MPa, and the pressure is maintained for 1-5 min.
Preferably, the pressure of isostatic pressing is 50MPa-200MPa, and the pressure is maintained for 2-10 min.
Preferably, the pressure of hot-press molding is 0.1MPa-2MPa, and the hot-press molding time is 0.5s-3 s.
Preferably, in step S2, the sintering temperature is 600 ℃ to 1300 ℃.
The invention also provides an atomizing core which comprises a ceramic substrate and the electromagnetic induction heating layer, wherein the electromagnetic induction heating layer is compounded on the ceramic substrate.
The invention also provides a preparation method of the atomization core, which comprises the following steps:
s2.1, mixing the raw materials of the electromagnetic induction heating layer according to the parts by mass, and pressing and forming the raw materials into a heating layer blank;
s2.2, forming the ceramic slurry on the heating layer blank in a hot-press casting mode to form an atomizing core blank;
s2.3, sintering the atomization core blank in vacuum or inert atmosphere to form the atomization core.
The electromagnetic induction heating layer is used for the atomizing core and is used as a heating body of the atomizing core, and is prepared by sintering raw materials such as magnetic conductive metal powder and the like and has a porous structure; when the atomizing device is used, the heating atomization of the atomized liquid is realized by generating heat through the electromagnetic effect, and the characteristic that the electromagnetic induction heating layer is porous ensures that the atomized liquid is sufficiently supplied and atomized steam can smoothly emerge from the holes, so that the atomizing effect and the uniformity are improved.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is an SEM image of the surface of an electromagnetic induction heating layer according to the present invention;
fig. 2 is an SEM image of an end surface of the electromagnetic induction heat generating layer of the present invention.
Detailed Description
The electromagnetic induction heating layer is used for the atomizing core and is used as a heating body of the atomizing core to heat and atomize the atomized liquid in an electromagnetic induction heating mode.
The electromagnetic induction heating layer comprises the following raw materials in parts by weight: 50-100 parts of magnetic conductive metal powder, 0-30 parts of ceramic powder, 0-40 parts of sintering aid and 0-30 parts of paraffin.
The electromagnetic induction heating layer is a structural layer with pores formed by sintering raw materials.
The magnetic conductive metal powder is used as a main material of the electromagnetic induction heating layer, is also used as a magnetic conductive material for realizing electromagnetic induction heating, and can comprise at least one of stainless iron, carbon steel, iron-aluminum alloy, iron-silicon-aluminum alloy, iron-cobalt alloy, soft magnetic ferrite, nickel, cobalt, amorphous soft magnetic alloy, ultracrystalline soft magnetic alloy and the like. The granularity of the magnetic conductive metal powder can be 80 meshes to 1000 meshes.
Ceramic powder, sintering aid, paraffin and the like can be added or not added according to requirements. When the raw material comprises ceramic powder, the mass part is preferably 5-30 parts; when the raw materials comprise the sintering aid, the mass part is preferably 5-40 parts; when the raw material includes paraffin, the mass part thereof is preferably 10 to 30 parts.
Alternatively, the ceramic powder may include at least one of alumina, cordierite, silicon carbide, titanium diboride, barium titanate, and porcelain stone tailings. The particle size of the ceramic powder is preferably 100 to 2000 mesh.
The sintering aid may include at least one of a low temperature glaze, a frit, and a low melting point glass powder. The particle size of the sintering aid can be 200 meshes to 2000 meshes.
The raw material of the electromagnetic induction heating layer can also comprise 0.1-2 parts by mass of surfactant. The surfactant is at least one selected from oleic acid, span, tween and stearic acid.
The preparation method of the electromagnetic induction heating layer can comprise the following steps:
s1.1, mixing the raw materials in parts by weight, and pressing and forming the raw materials into a heating layer blank.
Wherein, 50-100 parts of magnetic conductive metal powder, 0-20 parts of ceramic powder, 0-40 parts of sintering aid and 0-30 parts of paraffin. The ceramic powder, the sintering aid and the paraffin can be added or not added according to the requirement.
The pressing forming mode is dry pressing forming, isostatic pressing forming or hot injection molding.
When the pressing molding is dry pressing molding, the pressure of the dry pressing molding is 1MPa-80MPa, and the pressure is maintained for 1-5 min.
When the pressure for isostatic pressing is 50MPa-200MPa, the pressure is maintained for 2-10 min.
When the pressing molding is hot-press molding, the air pressure is 0.1MPa-2MPa, and the hot-press molding time is 0.5s-3 s.
When the hot-press molding mode is selected as the compression molding mode, the mixed raw materials also comprise 0.1-2 parts by weight of surfactant. The surfactant is at least one selected from oleic acid, span, tween and stearic acid.
S1.2, sintering the heating layer blank in vacuum or inert atmosphere (such as nitrogen or argon) to form the electromagnetic induction heating layer.
In step S2, the sintering temperature is 600-1300 ℃. In the sintering process, the magnetic conductive metal powder flows after being melted, and the sintering neck formed by accumulation enables the electromagnetic induction heating layer to have the characteristic of being porous.
Further, when the raw material of the heating layer blank body contains the sintering aid, the sintering temperature is 600-900 ℃, and when the raw material of the heating layer blank body does not contain the sintering aid, the sintering temperature is 900-1300 ℃.
The SEM images of the electromagnetic induction heating layer of the present invention are shown in fig. 1 and 2, wherein fig. 1 is an SEM image showing the surface morphology of the electromagnetic induction heating layer, and fig. 2 is an SEM image showing the cross-sectional morphology of the electromagnetic induction heating layer. As shown in fig. 1 and 2, the electromagnetic induction heating layer has pores distributed therein, and the pores are uniformly distributed therein.
The electromagnetic induction heating layer is applied to the atomization core, the atomization core can comprise the electromagnetic induction heating layer and a ceramic substrate, and the electromagnetic induction heating layer is compounded on the ceramic substrate.
The ceramic base of atomizing core can be polyhedron, cylinder, barrel isotructure, and the electromagnetic induction layer that generates heat can compound on one side or the multiaspect of ceramic base to the peripheral shape on electromagnetic induction layer that generates heat can be but not limited to polygon, circular, ellipse etc. shape.
When the atomizing core is used, the ceramic substrate is used for adsorbing atomized liquid, and the electromagnetic induction heating layer generates heat due to the electromagnetic effect after being electrified, so that the atomized liquid is heated and atomized. The electromagnetic induction heating layer has the characteristic that pores are porous, so that sufficient supply of atomized liquid and smooth emergence of atomized steam from the pores can be ensured. In addition, the electromagnetic induction heating layer can achieve the effect that the whole surface of the electromagnetic induction heating layer generates heat, and the heat efficiency of the same area is higher.
The preparation method of the atomization core comprises the following steps:
s2.1, mixing the raw materials of the electromagnetic induction heating layer according to the parts by mass, and pressing and forming the raw materials into a heating layer blank.
The pressing forming mode is dry pressing forming, isostatic pressing forming or hot injection molding.
When the pressing molding is dry pressing molding, the pressure of the dry pressing molding is 1MPa-80MPa, and the pressure is maintained for 1-5 min.
When the pressure for isostatic pressing is 50MPa-200MPa, the pressure is maintained for 2-10 min.
When the pressing molding is hot-press molding, the air pressure is 0.1MPa-2MPa, and the hot-press molding time is 0.5s-3 s.
When the hot-press molding mode is selected as the compression molding mode, the mixed raw materials also comprise 0.1-2 parts by weight of surfactant. The surfactant is at least one selected from oleic acid, span, tween and stearic acid.
And S2.2, forming the ceramic slurry on the heating layer blank in a hot-press casting mode to form an atomizing core blank.
The ceramic slurry is prepared in advance and is made of a raw material of a ceramic base of the atomizing core. The ceramic matrix is prepared from one or more of alumina, quartz sand, diatomite, cordierite, glass beads, zirconia, medical stone, etc.
S2.3, sintering the atomization core blank in vacuum or inert atmosphere to form the atomization core.
In the atomizing core, the ceramic base body is formed by sintering after ceramic slurry is molded, and the electromagnetic induction heating layer is formed after the heating layer green body is sintered.
The sintering temperature is 600-1300 ℃. In the sintering process, in the heating layer blank, the magnetic conductive metal powder is melted and flows, and the sintering neck formed by stacking enables the electromagnetic induction heating layer to have the characteristic of being porous.
The present invention is further illustrated by the following specific examples.
Example 1:
and taking 100 parts of iron-silicon-aluminum powder, placing the iron-silicon-aluminum powder in a mold for dry pressing and molding, and sintering at 1200 ℃ in vacuum to obtain the electromagnetic induction heating layer.
Example 2:
taking 100 parts of iron-cobalt alloy powder, placing the iron-cobalt alloy powder in a mould for dry pressing and forming, and sintering in vacuum at 1200 ℃ to obtain the electromagnetic induction heating layer.
Example 3:
and (3) taking 100 parts of nickel powder, placing the nickel powder in a mold for dry pressing and molding, and sintering at 1200 ℃ in vacuum to obtain the electromagnetic induction heating layer.
Example 4:
taking 10 parts of silicon carbide, 18 parts of barium titanate, 22 parts of low-melting-point glass powder and 50 parts of ultracrystalline soft magnetic alloy powder, mixing, then carrying out dry pressing molding, and sintering at 700 ℃ in a nitrogen atmosphere to obtain the electromagnetic induction heating layer.
Example 5:
taking 10 parts of silicon carbide, 18 parts of barium titanate, 22 parts of low-melting-point glass powder and 50 parts of ultracrystalline soft magnetic alloy powder, mixing, performing isostatic pressing, and sintering at 700 ℃ in a nitrogen atmosphere to obtain the electromagnetic induction heating layer.
Example 6:
10 parts of silicon carbide, 18 parts of barium titanate, 22 parts of low-melting-point glass powder and 50 parts of ultracrystalline soft magnetic alloy powder are mixed and then are subjected to hot-press casting forming, and sintering is carried out at 700 ℃ in a nitrogen atmosphere, so that the electromagnetic induction heating layer is prepared.
Example 7:
taking 70 parts of iron-aluminum powder, 30 parts of low-melting-point glass powder, 20 parts of paraffin and 0.5 part of span, mixing, hot-press casting and molding, and sintering in vacuum at 700 ℃ to obtain the electromagnetic induction heating layer.
Example 8:
taking 70 parts of iron-aluminum powder, 20 parts of low-melting-point glass powder, 10 parts of titanium diboride, 20 parts of paraffin and 0.5 part of span, mixing, hot-press casting and molding, and sintering in vacuum at 700 ℃ to obtain the electromagnetic induction heating layer.
The porosity and pore diameter of the electromagnetic induction heating layer obtained in examples 1 to 8 were measured, and the results are shown in table 1 below.
TABLE 1
The data measured in table 1 show that the electromagnetic induction heating layer prepared by the invention has fine pores and uniform pore size, so that the atomized liquid can be sufficiently supplied while heating and atomizing, the atomization is fine and smooth, and the electromagnetic induction heating layer also has the function of preventing liquid leakage.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides an electromagnetic induction layer that generates heat which characterized in that for atomizing core, electromagnetic induction layer that generates heat includes raw materials and parts by mass as follows: 50-100 parts of magnetic conductive metal powder, 0-30 parts of ceramic powder, 0-40 parts of sintering aid and 0-30 parts of paraffin;
the electromagnetic induction heating layer is a structural layer with pores formed by sintering the raw materials.
2. An electromagnetic induction heating layer according to claim 1, wherein the magnetic conductive metal powder includes at least one of stainless iron, carbon steel, an iron-aluminum alloy, an iron-silicon-aluminum alloy, an iron-cobalt alloy, a soft magnetic ferrite, nickel, cobalt, an amorphous soft magnetic alloy, and an ultra-microcrystalline soft magnetic alloy.
3. The electromagnetic induction heating layer according to claim 2, wherein the magnetic conductive metal powder has a particle size of 80-1000 mesh.
4. The electromagnetic induction heating layer according to claim 1, wherein the ceramic powder comprises at least one of alumina, cordierite, silicon carbide, titanium diboride, barium titanate, and porcelain stone tailings;
the granularity of the ceramic powder is 100-2000 meshes.
5. The electromagnetic induction heating layer according to claim 1, wherein the sintering aid comprises at least one of low-temperature glaze, frit, and low-melting-point glass powder;
the particle size of the sintering aid is 200-2000 meshes.
6. A method for preparing an electromagnetic induction heating layer according to any one of claims 1 to 5, comprising the steps of:
s1.1, mixing the raw materials in parts by weight, and pressing and forming the raw materials into a heating layer blank;
s1.2, sintering the heating layer blank in vacuum or inert atmosphere to form the electromagnetic induction heating layer.
7. The method for producing an electromagnetic induction heating layer according to claim 6, wherein in step S1, the press molding is dry press molding, isostatic press molding or hot press molding;
the pressure of dry pressing is 1MPa-80MPa, and the pressure is maintained for 1-5 min;
isostatic pressing under 50-200 MPa for 2-10 min;
the pressure of hot-press molding is 0.1MPa-2MPa, and the hot-press molding time is 0.5s-3 s.
8. The method for producing an electromagnetic induction heat-generating layer according to claim 6, wherein in step S2, the sintering temperature is 600 ℃ to 1300 ℃.
9. An atomizing core, characterized in that, it comprises a ceramic base and the electromagnetic induction heating layer of any one of claims 1-5, the electromagnetic induction heating layer is compounded on the ceramic base.
10. A method of preparing an atomizing core according to claim 9, comprising the steps of:
s2.1, mixing the raw materials of the electromagnetic induction heating layer according to the parts by mass, and pressing and forming the raw materials into a heating layer blank;
s2.2, forming the ceramic slurry on the heating layer blank in a hot-press casting mode to form an atomizing core blank;
s2.3, sintering the atomization core blank in vacuum or inert atmosphere to form the atomization core.
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| CN202111031692.2A CN113941704A (en) | 2021-09-03 | 2021-09-03 | Electromagnetic induction heating layer and preparation method thereof, and atomization core and preparation method thereof |
| PCT/CN2022/099011 WO2023029660A1 (en) | 2021-09-03 | 2022-06-15 | Electromagnetic induction heating layer and preparation method therefor, and atomization core and preparation method therefor |
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| CN202111031692.2A CN113941704A (en) | 2021-09-03 | 2021-09-03 | Electromagnetic induction heating layer and preparation method thereof, and atomization core and preparation method thereof |
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| CN115351280A (en) * | 2022-08-22 | 2022-11-18 | 西北有色金属研究院 | Integrated preparation method of evaporator for loop heat pipe |
| WO2023029660A1 (en) * | 2021-09-03 | 2023-03-09 | 深圳市华诚达精密工业有限公司 | Electromagnetic induction heating layer and preparation method therefor, and atomization core and preparation method therefor |
| WO2023226274A1 (en) * | 2022-05-25 | 2023-11-30 | 深圳市吉迩科技有限公司 | Manufacturing method for atomization core, and atomizer |
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| CN116944493B (en) * | 2023-08-03 | 2024-02-13 | 广东奇砺新材料科技有限公司 | Aerosol generator |
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| WO2023029660A1 (en) * | 2021-09-03 | 2023-03-09 | 深圳市华诚达精密工业有限公司 | Electromagnetic induction heating layer and preparation method therefor, and atomization core and preparation method therefor |
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| CN115351280A (en) * | 2022-08-22 | 2022-11-18 | 西北有色金属研究院 | Integrated preparation method of evaporator for loop heat pipe |
| CN115351280B (en) * | 2022-08-22 | 2024-01-19 | 西北有色金属研究院 | Integrated preparation method of evaporator for loop heat pipe |
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