Carbon sponge composite filter rod

Abstract

The application relates to a carbon sponge composite filter rod, which relates to the field of cigarette technology and comprises a filter core and a wrapping layer (1) wrapped outside the filter core. The filter core is a ternary composite filter core, which comprises a carbon sponge section (2), a cavity section (3) and a diacetate fiber filament section (4). The carbon sponge section (2) and the diacetate fiber filament section (4) are respectively filled with carbon sponge material and diacetate fiber filaments, and the two are spaced apart by a distance to form the cavity section (3). After being cut into cigarette filters, each section of the filter rod contains a carbon sponge section (2), a cavity section (3) and a diacetate fiber filament section (4). The carbon sponge composite filter rod has the advantages of good tar adsorption effect and high efficiency. The carbon sponge is an aerosol made of graphene and has super-high tar adsorption capacity.

Description

Technical Field

[0001] This utility model relates to the field of cigarette technology, specifically to a carbon sponge composite filter rod with good tar adsorption effect. Background Technology

[0002] The cigarette filter tip is the part of a cigarette that filters the smoke, while the filter rod is the raw material used to produce cigarette filters. Filter tips can remove tar produced by cigarettes, reducing smokers' intake and mitigating the effects of tar on cardiovascular and cerebrovascular health. Although existing filters can trap tar, a significant amount still enters the body. Therefore, there is a need to develop a filter rod for cigarette filter production with better adsorption capabilities, capable of trapping more tar, to better protect consumers' health. To achieve this, there are composite filter rods on the market that utilize airflow filtration with a hollow cavity. However, due to material limitations, these filter rods are easily crushed during use and are difficult to restore. Summary of the Invention

[0003] The technical problem to be solved by this utility model is to provide a carbon sponge composite filter rod with better tar adsorption effect and better performance.

[0004] The technical solution of this utility model is: a carbon sponge composite filter rod, including a filter element and a wrapping layer wrapped around the filter element. The filter element is a ternary composite filter element, including a carbon sponge segment, a cavity segment and a diacetate fiber bundle segment. The carbon sponge segment and the diacetate fiber bundle segment are respectively filled with carbon sponge material and diacetate fiber bundle. The two are separated by a distance to form a cavity segment. After being cut into cigarette filter tips, each filter tip segment contains a carbon sponge segment, a cavity segment and a diacetate fiber bundle segment.

[0005] The technical advantages of this invention are: it has the advantages of good and efficient tar adsorption. The carbon sponge is an aerosol made of graphene, which has an extremely high tar adsorption capacity. It also has good elasticity, and can still return to its original shape after being compressed by 80%. Filter rods made from it are not easily crushed, and the adjacent cavities are also more likely to spring back up. Attached Figure Description

[0006] Figure 1 This is a schematic diagram of the structure of this utility model. Detailed Implementation

[0007] like Figure 1As shown, a carbon sponge composite filter rod includes a filter element and a wrapping layer 1 surrounding the filter element. The filter element is a ternary composite filter element, comprising a carbon sponge segment 2, a cavity segment 3, and a cellulose diacetate tow segment 4. The carbon sponge segment 2 and the cellulose diacetate tow segment 4 are respectively filled with carbon sponge material and cellulose diacetate tow, separated by a distance to form the cavity segment 3. After being cut into cigarette filter tips, each filter tip contains a carbon sponge segment 2, a cavity segment 3, and a cellulose diacetate tow segment 4. When attached to a cigarette, the carbon sponge segment serves as the near-cigarette end, and the cellulose diacetate tow segment serves as the near-lip end. During inhalation, the smoke first passes through the carbon sponge segment. By controlling the airflow speed, the tar content is reduced. The air speed increases as it passes through the micropores and continuously collides with the pore walls, causing tar particles to settle. Utilizing the strong adsorption capacity of the carbon sponge, more tar is filtered out. Upon entering the cavity section, the airflow slows down, and the flue gas lingers briefly within the cavity. Tar adheres to the walls, and particulate matter in the flue gas settles into the cavity as it slows down, forming a mixture with the tar. This traps even more harmful substances within the cavity. Finally, the gas passes through the cellulose acetate bundle section for filtration.

[0008] The hollow section 3 is provided with a support sleeve 5 close to the inner wall of the wrapping layer 1. This sleeve serves to strengthen the section and prevent it from being crushed.

[0009] The support sleeve 5 is made of elastic material.

[0010] The elastic material is silicone.

[0011] The wrapping layer 1 is a shaped paper.

[0012] The circumference of the wrapping layer 1 is 16mm to 24mm.

Claims

1. A carbon sponge composite filter rod, comprising a filter element and a wrapping layer (1) surrounding the filter element, characterized in that, The filter element is a ternary composite filter element, including a carbon sponge segment (2), a cavity segment (3) and a diacetate fiber bundle segment (4). The carbon sponge segment (2) and the diacetate fiber bundle segment (4) are respectively filled with carbon sponge material and diacetate fiber bundle, and the two are separated by a distance to form a cavity segment (3). After being cut into cigarette filter tips, each filter tip contains a carbon sponge segment (2), a cavity segment (3) and a diacetate fiber bundle segment (4).

2. The carbon sponge composite filter rod as described in claim 1, characterized in that, The cavity section (3) is provided with a support sleeve (5) close to the inner wall of the wrapping layer (1).

3. The carbon sponge composite filter rod as described in claim 2, characterized in that, The support sleeve (5) is made of elastic material.

4. The carbon sponge composite filter rod as described in claim 3, characterized in that, The elastic material is silicone.

5. The carbon sponge composite filter rod as described in claim 1, characterized in that, The wrapping layer (1) is a shaped paper.

6. The carbon sponge composite filter rod according to any one of claims 1 to 5, characterized in that, The circumference of the wrapping layer (1) is 16mm to 24mm.

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