CN-122004537-A - Cigarette compresses tightly section of thick bamboo, aerosol generation device and aerosol generation system

CN122004537ACN 122004537 ACN122004537 ACN 122004537ACN-122004537-A

Abstract

The application belongs to the technical field of heating cigarettes, and particularly relates to a cigarette compression cylinder, an aerosol generating device and an aerosol generating system. The cigarette compressing cylinder is of a hollow cylindrical structure, the inner wall of the cigarette compressing cylinder is provided with a bottom annular compressing element positioned at the bottom of the cigarette compressing cylinder and/or a middle annular compressing element positioned at the middle of the cigarette compressing cylinder, and the cross section area of the hollow part of the bottom annular compressing element or the middle annular compressing element is gradually reduced from top to bottom. The cigarette compression cylinder is used for compressing the smoke section of the cigarette, so that the compactness of tobacco shreds can be increased, and the falling of the tobacco shreds at the end part of the cigarette is avoided. The application can change the shape of the cigarette without changing the manufacturing process of the cigarette, and is suitable for the current cylindrical heating cigarette.

Inventors

LI BIN
FU LILI
LI HAIJIE
ZHANG QI
ZHANG YUE

Assignees

中国烟草总公司郑州烟草研究院

Dates

Publication Date: 20260512
Application Date: 20241111

Claims (10)

1. The cigarette compacting cylinder is characterized in that the cigarette compacting cylinder is of a hollow cylindrical structure, and the inner wall of the cigarette compacting cylinder is provided with a bottom annular compacting element positioned at the bottom of the cigarette compacting cylinder and/or a middle annular compacting element positioned at the middle of the cigarette compacting cylinder; the cross-sectional area of the hollow portion of the bottom annular compression element or the middle annular compression element gradually decreases from the top to the bottom of the cigarette compression cylinder.
2. A cigarette compression barrel according to claim 1, wherein the cross-sectional circumference of the hollow portion of the bottom annular compression element or middle annular compression element is constant or reduced by no more than 5% from the top to the bottom of the barrel.
3. A cigarette compression barrel according to claim 1 wherein the cross-section of the hollow portion of the bottom annular compression element or the middle annular compression element is eventually changed from an initial circular shape to a rectangular, oval or racetrack shape from the top to the bottom of the barrel.
4. The cigarette compression cylinder of claim 1, wherein the bottom annular compression element inner wall is sloped.
5. The cigarette compression cartridge of claim 1 wherein the number of central annular compression elements is single or multiple; When the number of the middle annular pressing elements is multiple, the bottom parts of the plurality of cigarette pressing cylinders are axially arranged at intervals from top to bottom.
6. The cigarette compression cylinder of claim 1, wherein the height of the bottom annular compression element is 0.1-0.8 times the height of the cigarette compression cylinder; The ratio of the distance between the top surface of the middle annular pressing element at the top and the bottom of the cigarette pressing cylinder to the height of the cigarette pressing cylinder is 0.2-0.8 times. The top surface of the bottom annular pressing element is connected with the top surface of the cigarette pressing cylinder through a slope so as to facilitate the insertion of cigarettes; the top surface of the topmost middle annular pressing element is connected with the top surface of the cigarette pressing cylinder through a slope so as to facilitate cigarette insertion.
7. An aerosol-generating device, characterized in that it uses the cigarette compacting cylinder of any one of claims 1-6 as a cigarette heating chamber; the heating element is arranged on the cigarette compression cylinder, in the cigarette compression cylinder or outside the cigarette compression cylinder.
8. An aerosol-generating system comprising the aerosol-generating device of claim 7 and a heated cigarette; The heating cigarette is provided with a smoke section; The smoke section of the heating cigarette is inserted into the cigarette compression cylinder, and the ratio of the perimeter of the cross section of the hollow part of the bottom annular compression element or the middle annular compression element to the perimeter of the cross section of the smoke section of the heating cigarette is 0.95-1.0.
9. An aerosol-generating system according to claim 8 wherein the cross-sectional perimeter of the hollow portion of the bottom annular compression element or the central annular compression element is equal to the cross-sectional perimeter of the smoke generating segment of the heated cigarette.
10. A method of increasing the rate of nicotine release, characterized in that an aerosol-generating system according to any of claims 8-9 is used.

Description

Cigarette compresses tightly section of thick bamboo, aerosol generation device and aerosol generation system Technical Field The invention belongs to the technical field of heating cigarettes, and particularly relates to a cigarette compression cylinder, an aerosol generating device and an aerosol generating system. Background Traditional cigarettes and electronic cigarettes, heated cigarettes, buccal cigarettes, nicotine pouches, and other tobacco products all have nicotine delivery as a primary consumer feature. And novel tobacco products such as electronic cigarettes, heating cigarettes, nicotine bags and the like have little harm to consumers, and can effectively transfer nicotine, so that the tobacco products are more and more favored by consumers. The new tobacco products have recently shown a rapid growth trend in the international tobacco consumer market, and are also important points of attention of various large tobacco manufacturers. The heated cigarettes are expected to become the main tobacco consumer products due to their rapid development in the international market as they have similar smoke characteristics to traditional combustion type cigarettes. Innovations for heating cigarettes are mainly in the fields of heating cigarette structures, heating modes, tight combination with cigarettes, promotion of aerosol generation in tobacco products, efficient delivery to consumers and the like. The porosity of the smoke generating segment in the prior art affects the heat transfer effect and the smoke diffusion. When the porosity of the smoke generating section is larger, the smoke diffusion performance is better, but the heat transfer performance is poorer. When the porosity of the smoke generating section is smaller, the heat transfer performance is better, but the smoke diffusion performance is poorer. Therefore, in the conventional smoke generating segment manufacturing process, both the smoke diffusing performance and the heat transfer performance cannot be achieved. The present application has been made to solve the above-described problems. Disclosure of Invention The application provides a cigarette compression cylinder which is of a hollow cylindrical structure, wherein the inner wall of the cigarette compression cylinder is provided with a bottom annular compression element positioned at the bottom of the cigarette compression cylinder and/or a middle annular compression element positioned at the middle of the cigarette compression cylinder; the cross-sectional area of the hollow portion of the bottom annular compression element or the middle annular compression element gradually decreases from the top to the bottom of the cigarette compression cylinder. Preferably, the cross-sectional circumference of the hollow portion of the bottom annular compression element or the middle annular compression element is constant or reduced by no more than 5% from the top to the bottom of the cigarette compression cylinder. Preferably, the number of the middle annular pressing elements is single or multiple; When the number of the middle annular pressing elements is multiple, the bottom parts of the plurality of cigarette pressing cylinders are axially arranged at intervals from top to bottom. Preferably, the cross section of the bottom annular compression element or the middle annular compression element is circular in the entire axial direction. Preferably, the hollow portion of the topmost or middle annular pressing element is circular in cross section. Preferably, the cross section of the hollow part of the bottom annular pressing element or the middle annular pressing element is changed from an initial round shape to a rectangular shape, an oval shape or a racetrack shape from the top to the bottom of the cigarette pressing cylinder. Preferably, the ratio of the initial circular area to the area of the cigarette accommodating cavity is 85% -98%. The initial circular area is larger than the cross-sectional area of the heating cigarette smoke section so as to facilitate the insertion of cigarettes. Preferably, the inner wall of the bottom annular pressing element is in a slope shape so as to facilitate the insertion of the cigarettes and gradually press the cigarette smoke generating sections in the radial direction. Preferably, the height of the bottom annular pressing element is 0.1-0.8 times of the height of the cigarette pressing cylinder; The ratio of the distance A between the middle annular pressing element at the top and the bottom of the cigarette pressing cylinder to the height B of the cigarette pressing cylinder is 0.2-0.8, namely, the ratio A/B is 0.2-0.8. Preferably, the top surface of the bottom annular pressing element is connected with the top surface of the cigarette pressing cylinder through a slope so as to facilitate cigarette insertion; Preferably, the top surface of the topmost middle annular pressing element is connected with the top surface of the cigarette pressing cylinder