A point pressure filter rod can be produced to generate turbulent flow of smoke within the filter rod

Abstract

The present application belongs to the field of cigarette materials, and relates to a point variable pressure filter rod capable of generating turbulent flow of smoke in the filter rod, which is composed of a wrapping layer, a tow, a solid ball capsule and an air ball capsule. The wrapping layer wraps the tow to form a cylindrical filter rod. The solid ball capsule and the air ball capsule are arranged on the central axis of the filter rod and are separated by a distance. When smoked, the air ball capsule is pinched to break, forming a spherical low-pressure cavity point in the filter rod, and the solid ball region forms a spherical high-pressure point. When the smoke moves in the filter rod, the smoke cannot pass through the solid ball capsule, and a turbulent flow is formed by the need to deviate laterally to bypass the solid ball capsule. The point variable pressure filter rod disclosed in the present application can make the smoke form a turbulent flow in the filter rod, reduce the movement rate of the smoke in the filter rod, complicate the movement of the smoke, increase the collision of various substances in the smoke and form deposition, thereby helping to improve the filtering efficiency of the filter rod.

Claims

1. A point-variable filter rod capable of generating flue gas turbulence within the filter rod, comprising a wrapping layer (1), a filament bundle (4), a solid spherical capsule (2), and an air spherical capsule (3), wherein the wrapping layer (1) wraps the filament bundle (4) to form a cylindrical filter rod, characterized in that: The air-filled capsule (3) can be squeezed to form a spherical low-pressure cavity inside the filter rod; the solid spherical capsule (2) The region forms a spherical high-pressure point; the solid spherical capsule (2) and the air spherical capsule (3) are placed at intervals on the central axis of the filter rod, so that the flue gas forms turbulence when it enters the low-pressure cavity point after flowing through the high-pressure point; during suction, the air spherical capsule is broken, forming a spherical low-pressure cavity point in the filter rod, while the solid spherical region forms a spherical high-pressure point. When the flue gas moves in the filter rod, the flue gas cannot pass through the solid spherical capsule. It needs to make a lateral shift to bypass the solid spherical capsule and form turbulence. At this time, the substances in the flue gas will collide, and the harmful substances in the flue gas will gather into large-diameter substances, thus causing sedimentation or being intercepted by the fiber bundle; when the flue gas enters the low-pressure cavity point after passing through the high-pressure area, the flue gas will move in the direction of less resistance, so the flue gas will converge towards the spherical cavity and form turbulence in the cavity. At this time, the substances in the flue gas will collide, and the harmful substances in the flue gas will gather into large-diameter substances, thus causing sedimentation or being intercepted by the fiber bundle.

2. The point-variable filter rod capable of generating flue gas turbulence within the filter rod according to claim 1, characterized in that: The wrapping layer (1) is ordinary forming paper or high-permeability forming paper.

3. The point-variable filter rod capable of generating flue gas turbulence within the filter rod according to claim 1, characterized in that: The distance between the two capsules is between 3 and 20 mm.

4. The point pressure changing filter rod that can generate flue gas turbulence within the filter rod according to claim 1, characterized in that: The diameter of the two spherical capsules is between 1 and 6 mm.

5. The point pressure changing filter rod that can generate flue gas turbulence within the filter rod according to claim 1, characterized in that: The filter rod end where the solid spherical capsule (2) is located is close to the tobacco end of the cigarette.

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