Manufacturing method of low-temperature atomized ceramic core

By adjusting the materials and processes of the ceramic core, a low-temperature atomizing ceramic core was prepared, which solved the overheating problem when heating the microporous ceramic atomizing core, achieving uniform temperature distribution and stable atomization effect, and improving the user experience of e-cigarettes.

CN120987657APending Publication Date: 2025-11-21SHENZHEN BEST GRINDER TECH CO LTD
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Patent Information

Application Number
CN202511137506.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-14
Publication Date
2025-11-21

AI Technical Summary

Technical Problem

The microporous ceramic atomizing core of existing electronic cigarette atomizers heats up too quickly and has a large thermal inertia, which can easily lead to overheating and dry burning, affecting the taste and producing harmful substances.

Method used

Low-temperature atomizing ceramic cores are prepared by ball milling, wax removal, and high-temperature sintering using materials such as silicon carbide, aluminum nitride, calcium oxide, boron oxide, magnesium oxide, cobalt oxide, pore-forming agents, paraffin wax, and surfactants. The composition of the ceramic material is adjusted to improve thermal conductivity and the number of micropores, ensuring uniform temperature distribution.

Benefits of technology

The thermal inertia of the low-temperature atomizing ceramic core is reduced, the stability of the atomized flavor is improved, the overheating and dry burning phenomenon is avoided, and the user experience of e-cigarettes is improved.

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Abstract

The invention discloses a manufacturing method of a low-temperature atomized ceramic core, which comprises the following steps: mixing 50-80 parts by weight of one or more of silicon carbide, aluminum nitride and silicon nitride, 5-8 parts by weight of kaolin, 4-6 parts by weight of diatomite, 1-3 parts by weight of calcium oxide, 2-4 parts by weight of boric oxide, 1-3 parts by weight of magnesium oxide, 1-3 parts by weight of cobalt oxide, 5-10 parts by weight of a pore forming agent, 10-30 parts by weight of paraffin and 0.5-2 parts by weight of a surfactant, and then uniformly stirring; preparing a main material; the preparation method comprises the following steps: carrying out ball milling on the main material for 20-28 hours through a ball mill, heating to 110-125 DEG C, and banburying for 10-12 hours to prepare ceramic slurry; the heating sheet is arranged in a set mold, and the ceramic slurry is poured into the mold to form a semi-finished product in a preset shape; putting the semi-finished product into a rubber discharging furnace, heating to 400-500 DEG C, and discharging wax; and heating the high-temperature sintering furnace to 600-800 DEG C, and sintering to obtain the low-temperature atomized ceramic core. The microporous ceramic has the advantages that the thermal conductivity of the microporous ceramic is improved by adjusting the components of the ceramic material, the heat generated in the working process is conducted through the ceramic matrix to realize uniform temperature distribution, and the thermal inertia is reduced.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of ceramic cores, in particular to a manufacturing method of low-temperature atomized ceramic cores. BACKGROUND

[0002] The micro-porous ceramic atomizing core in the current electronic cigarette atomizer is heated, the micro-porous ceramic has a too fast heating speed and a large thermal inertia, over-temperature dry burning is prone to occur, the taste is affected, and harmful substances are generated. SUMMARY

[0003] The present application solves the technical problems in the prior art and provides a manufacturing method of low-temperature atomized ceramic cores.

[0004] To solve the above technical problems, the present application adopts the following technical solutions.

[0005] A manufacturing method of low-temperature atomized ceramic cores comprises

[0006] Step one: 50-80 parts by weight of one or more of silicon carbide, aluminum nitride and silicon nitride, 5-8 parts of kaolin, 4-6 parts of silica clay, 1-3 parts of calcium oxide, 2-4 parts of boron oxide, 1-3 parts of magnesium oxide, 1-3 parts of cobalt oxide, 5-10 parts of a pore-forming agent, 10-30 parts of paraffin, and 0.5-2 parts of a surfactant are mixed and uniformly stirred to obtain a main material;

[0007] Step two: the main material is ball milled by a ball mill for 20-28 hours, heated to 110-125 degrees, and densely milled for 10-12 hours to prepare a ceramic slurry;

[0008] Step three: the prepared heating sheet is loaded into a set mold, and the ceramic slurry is poured into the mold to form a semi-finished product with a predetermined shape;

[0009] Step four: the semi-finished product is placed in a glue removal furnace and heated to 400-500 degrees for wax removal;

[0010] Step five: the semi-finished product after wax removal is placed in a high-temperature sintering furnace, and the high-temperature sintering furnace is heated to 600-800 degrees for sintering into a low-temperature atomized ceramic core.

[0011] A preferred scheme is that in step five, the resistance, size, porosity and strength of the finished product are detected.

[0012] A preferred scheme is that in step two, the main material is ball milled by a ball mill for 24 hours, heated to 120 degrees, and densely milled for 12 hours to prepare a ceramic slurry.

[0013] A preferred scheme is that in step four, the semi-finished product is placed in a glue removal furnace and heated to 500 degrees for wax removal.

[0014] A preferred solution is that in step five, the high-temperature sintering furnace is heated to 700 degrees for sintering into the low-temperature atomized ceramic core.

[0015] A preferred solution is that in step four, the wax removal time is 1-12 hours.

[0016] In step five, the high-temperature sintering time is 1-12 hours.

[0017] A preferred solution is that the heating sheet is in an S-shaped structure.

[0018] A preferred solution is that the heating sheet is provided with oil guiding holes.

[0019] The low-temperature atomized ceramic core manufacturing method provided by the embodiment of the application has at least the following beneficial effects: cobalt oxide can improve the thermal conductivity, the pore forming agent can increase the number of micropores of the low-temperature atomized ceramic core, and the surfactant can prevent the main material from being stratified and precipitated, so that the main material is uniformly mixed. The thermal conductivity of the low-temperature atomized ceramic core is improved by adjusting the composition of the ceramic material, so that the heat generated by the low-temperature atomized ceramic core in the working process is conducted through the substrate to achieve uniform temperature distribution, reduce thermal inertia, and bring more stable atomization taste.

[0020] The above description is only a summary of the technical solutions of the application, in order to more clearly understand the technical means of the application, the content of the specification can be implemented, and in order to make the above and other purposes, characteristics and advantages of the application more obvious and easy to understand, the following preferred embodiments are described in detail below, and the accompanying drawings are described as follows. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a perspective view of the application. DETAILED DESCRIPTION

[0022] In order to explain the idea and purpose of the present application, the present application will be further described below in combination with the drawings and specific embodiments.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the specification of the application is only for the purpose of describing specific embodiments and is not intended to limit the application; the specification and claims of the application and the above description of the drawings use the terms "include" and "have" and any variations thereof, which are intended to cover non-exclusive inclusion; the specification and claims of the application or the above description of the drawings use the terms "first", "second", "left", "right" and the like, which are used to distinguish different objects, not to describe a specific order.

[0024] Reference to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment. The appearances of the phrase "in

[0025] As shown in FIG. 1, a method for manufacturing a low-temperature atomized ceramic core includes Figure 1

[0026] Step one, 50-80 parts by weight of one or more of silicon carbide, aluminum nitride, and silicon nitride, 5-8 parts of kaolin clay, 4-6 parts of silica clay, 1-3 parts of calcium oxide, 2-4 parts of boron oxide, 1-3 parts of magnesium oxide, 1-3 parts of cobalt oxide, 5-10 parts of a pore-forming agent, 10-30 parts of paraffin wax, and 0.5-2 parts of a surfactant are mixed and stirred uniformly to prepare a main material;

[0027] Step two, the main material is ball milled for 20-28 hours in a ball mill, heated to 110-125 degrees, and densified for 10-12 hours to prepare a ceramic slurry;

[0028] Step three, the prepared heating sheet 1 is loaded into a set mold, and the ceramic slurry is poured into the mold to form a semi-finished product of a predetermined shape;

[0029] Step four, the semi-finished product is placed in a glue removal oven and heated to 400-500 degrees for wax removal;

[0030] Step five, the semi-finished product after wax removal is placed in a high-temperature sintering furnace, which is heated to 600-800 degrees for sintering into a low-temperature atomized ceramic core.

[0031] Cobalt oxide can improve thermal conductivity, pore-forming agents can increase the number of micropores in the low-temperature atomized ceramic core, and surfactants can prevent the main material from separating and precipitating, allowing the main material to be mixed uniformly. By adjusting the composition of the ceramic material, the thermal conductivity of the low-temperature atomized ceramic core is improved, so that the heat generated by the low-temperature atomized ceramic core during operation is conducted through its matrix to achieve uniform temperature distribution, reduce thermal inertia, and bring more stable atomization taste.

[0032] Step five, the resistance, size, porosity, and strength of the finished product are detected.

[0033] In some embodiments, step two, the main material is ball milled for 24 hours in a ball mill, heated to 120 degrees, and densified for 12 hours to prepare a ceramic slurry.

[0034] In some embodiments, step four, the semi-finished product is placed in a glue removal oven and heated to 500 degrees for wax removal. ​

[0035] In some embodiments, in step five, the high-temperature sintering furnace is heated to 700 degrees for sintering into a low-temperature atomized ceramic core.

[0036] In some embodiments, in step four, the wax removal time is 1-12 hours.

[0037] In step five, the high-temperature sintering time is 1-12 hours.

[0038] As shown in Figure 1 The heating sheet 1 is in an S-shaped structure.

[0039] As shown in Figure 1 The heating sheet 1 is penetrated by an oil guiding hole. The oil guiding hole can increase the atomization effect of the heating sheet 1.

[0040] The above is the specific embodiment of the present application. It should be noted that for those skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, which are also considered within the scope of protection of the present application.

Claims

1. A method for manufacturing a low-temperature atomizing ceramic core, characterized in that, include Step 1: By weight, mix 50-80 parts of one or more of silicon carbide, aluminum nitride, and silicon nitride, 5-8 parts of kaolin, 4-6 parts of diatomaceous earth, 1-3 parts of calcium oxide, 2-4 parts of boron oxide, 1-3 parts of magnesium oxide, 1-3 parts of cobalt oxide, 5-10 parts of pore-forming agent, 10-30 parts of paraffin wax, and 0.5-2 parts of surfactant, and stir evenly to obtain the main material. Step 2: The main material is ball-milled for 20-28 hours, heated to 110-125 degrees Celsius, and kneaded for 10-12 hours to prepare ceramic slurry; Step 3: Place the prepared heating element into the set mold, and pour the ceramic slurry into the mold to form a semi-finished product of the predetermined shape; Step 4: Place the semi-finished product into the dewaxing furnace and heat it to 400-500 degrees Celsius to remove the wax. Step 5: Place the dewaxed semi-finished product into a high-temperature sintering furnace, and heat the furnace to 600-800 degrees Celsius to sinter it into a low-temperature atomized ceramic core.

2. The method for manufacturing a low-temperature atomizing ceramic core according to claim 1, characterized in that, Step 5: Test the resistance, size, porosity and strength of the finished product.

3. The method for manufacturing a low-temperature atomizing ceramic core according to claim 1, characterized in that, Step 2: The main material is ball-milled for 24 hours, heated to 120 degrees Celsius, and kneaded for 12 hours to prepare ceramic slurry.

4. The method for manufacturing a low-temperature atomizing ceramic core according to claim 1, characterized in that, Step 4: Place the semi-finished product into the dewaxing furnace and heat it to 500 degrees Celsius to remove the wax.

5. The method for manufacturing a low-temperature atomizing ceramic core according to claim 1, characterized in that, Step 5: Heat the high-temperature sintering furnace to 700 degrees Celsius to sinter into a low-temperature atomized ceramic core.

6. The method for manufacturing a low-temperature atomizing ceramic core according to claim 1, characterized in that, Step 4, wax removal time: 1 hour to 12 hours; Step 5: High-temperature sintering for 1 to 12 hours.

7. The method for manufacturing a low-temperature atomizing ceramic core according to claim 1, characterized in that, The heating element has an S-shaped structure.

8. The method for manufacturing a low-temperature atomizing ceramic core according to claim 1, characterized in that, The heating element has an oil guide hole running through it.