CN210581038U - Composite aerosol circulation rod, aerosol circulation product and aerosol circulation system - Google Patents

Abstract

The application provides a compound aerosol circulation stick, aerosol circulation goods and aerosol circulation system. The composite aerosol circulation wand includes: the first aerosol circulation section is provided with a through hole channel along the length direction; a second aerosol circulation segment comprising a proximal lip end and a distal lip end, the distal lip end being adjacent to the first aerosol circulation segment; the second aerial fog circulation section is provided with a plurality of flue gas channels along far lip end to near lip end, and flue gas channel and link up the pore intercommunication. The composite aerosol circulation wand includes: a first aerosol flow-through section and a second aerosol flow-through section adjoining the first aerosol flow-through section. Aerosol circulation article: the substrate section, compound aerial fog circulation stick and outside parcel component. The aerosol circulation system comprises an aerosol circulation article and a heating means for heating the substrate segment. Use aerial fog circulation goods and aerial fog circulation system that compound aerial fog circulation stick that this application provided made, the flue gas volumn is sufficient, cooling effect is good, can provide better suction experience.

Description

Composite aerosol circulation rod, aerosol circulation product and aerosol circulation system

Technical Field

The application relates to aerial fog circulation goods field especially relates to a compound aerial fog circulation stick, aerial fog circulation goods and aerial fog circulation system.

Background

The cigarette is not burnt to low temperature, as novel cigarette, can provide the flue gas because of it need not burn, can satisfy consumer's smoking experience to a certain extent again on the basis of a large amount of harmful substance such as reduction tar, so receive more and more smoking fan favour.

At present, the low-temperature non-combustion cigarette structure in the market mainly takes the quaternary element as the main component. The filter tip in the cigarette structure has stronger adsorption effect on aerosol, the smoke volume is far less than that of the traditional cigarette during smoking, the processing process is more complicated, and the cost is higher; and the cooling effect is not good.

In view of this, the present application is specifically made.

SUMMERY OF THE UTILITY MODEL

The utility model provides a first purpose is to provide a compound aerosol circulation stick, on the basis of guaranteeing the adsorption effect to the aerosol, can allow bigger flue gas volume to pass through, and it is effectual to cool down simultaneously.

It is a second object of the present application to provide an aerosol circulation article that may enable a better smoking experience for the consumer.

A third object of the present application is to provide an aerosol circulation system, the amount of smoke is sufficient, and the suction experience is good.

In order to achieve the purpose, the following scheme is adopted in the application:

a composite aerosol circulation wand comprising:

the first aerosol circulation section is provided with a through hole channel along the length direction;

a second aerosol circulation segment comprising a proximal lip end and a distal lip end, the distal lip end being contiguous with the first aerosol circulation segment;

the second aerial fog circulation section is provided with a plurality of through flue gas channels along the far lip end to the near lip end, and the flue gas channels are communicated with the through hole channel.

Through set up the through hole in first aerial fog circulation section and set up a plurality of flue gas passageways in second aerial fog circulation section, improve the absorption, filtration, the circulation situation of flue gas in compound aerial fog circulation stick, on the basis of guaranteeing the adsorption effect, increase flue gas circulation, reduce the temperature.

Preferably, the smoke channel is provided with 2-10.

In alternative embodiments, the number of flue gas channels may be 2, 3, 4, 5, 6, 7, 8, 9 or 10.

Further preferably, the number of the flue gas channels is 3-5.

Still further preferably, the flue gas channel is provided with 4.

Preferably, the total cross-sectional area of the plurality of smoke passages is 10-30% of the cross-sectional area of the second aerosol flow-through section.

In alternative embodiments, the percentage of the cross-sectional area of the smoke channel to the cross-sectional area of the second aerosol flow-through section may be any value between 10%, 15%, 20%, 25%, 30% and 10-30%.

The optimization of the number and the cross-sectional area ratio of the through holes or the through grooves can further improve the smoke flow flux and reduce the temperature of the smoke reaching the near lip end.

Preferably, a plurality of said smoke passages are circumferentially equispaced around a central axis of said second aerosol flow-through section.

Preferably, the smoke channel is a through hole and/or a through groove arranged along the outer wall of the second aerosol circulation section.

More preferably, the shape of the cross-section of the through-hole includes one or more of a circle, an ellipse, a triangle, or an irregular shape.

Through the optimization of the number, the distribution mode and the cross section shape of the through holes or the through grooves, the flue gas circulation and the cooling effect are further optimized.

The through holes are arranged in a circular shape, the number of the through holes is 4, the through holes are uniformly distributed, and the best cooling effect can be obtained.

Preferably, the material of the second aerosol circulation section is acetate fiber and/or PLA tows.

Preferably, the length of the second aerosol flow-through section is 5-20 mm.

In alternative embodiments, the length of the second aerosol flow-through section may be any value between 5mm, 10mm, 15mm, 20mm and 5-20 mm.

Optionally, an orthographic projection of the through hole channel along the axial direction and an orthographic projection of the smoke passage along the axial direction are partially overlapped.

Through the setting of the position relation between the through hole channel and the through hole, the contact section is staggered, and smoke cross flow is formed at the communication position of the through hole channel and the through hole, so that the smoke temperature can be better reduced.

Preferably, the first aerosol flow-through section is a hollow acetate rod.

Preferably, the cross-sectional area of the through-going pore passage accounts for 8.3-74.4% of the cross-sectional area of the first aerosol flow-through section;

preferably, the cross-sectional area of the through-going hole channels is 30-60% of the cross-sectional area of the first aerosol flow-through section.

In alternative embodiments, the ratio of the cross-sectional area of the through-channels to the cross-sectional area of the first aerosol flow-through section may be any value between 8.3%, 10%, 20%, 30%, 40%, 50%, 60%, 70%, 74.4%, and 8.3% -74.4%.

Preferably, the first aerosol circulation section is a hollow paper tube.

More preferably, the cross-sectional area of the through-hole channel accounts for 50.7 to 78.3% of the cross-sectional area of the first mist flow passage section; preferably, the cross-sectional area of the through-going duct is 55-65% of the cross-sectional area of the first mist flow passage section.

In a preferred embodiment, the ratio of the cross-sectional area of the through-channels to the cross-sectional area of the first aerosol flow-through section may be any value between 50.7%, 55%, 60%, 65%, 70%, 75%, 78.3% and 50.7% -78.3%.

Preferably, the inner diameter of the through-going bore is 2-7 mm.

In alternative embodiments, the inner diameter of the through going bore may be any value between 2mm, 3mm, 4mm, 5mm, 6mm, 7mm and 2-7 mm.

Optionally, the first aerosol flow-through section has a length of 5-35 mm.

In alternative embodiments, the length of the first aerosol flow-through section may be any value between 5mm, 10mm, 15mm, 20mm, 25mm, 30mm, 35mm and 5-35 mm.

The length of the first gas mist flow-through section and the inner diameter of the through hole are limited, and the control on the gas amount and the temperature reduction effect can be further optimized.

The application still provides a compound aerosol circulation stick, includes: a first aerosol flow-through section and a second aerosol flow-through section adjacent the first aerosol flow-through section;

the first aerosol circulation section is provided with a through hole channel along the length direction;

the second gas spray circulation section comprises a first circulation part distributed along the axial direction of the second gas spray circulation section and a second circulation part circumferentially covering the first circulation part;

the through hole of the first aerosol circulation section is communicated with the first circulation part and the second circulation part at the same time.

Preferably, the pressure drop of the second aerosol flow-through section is from 0.3 to 0.8mmWg/mm, preferably 0.57 mmWg/mm; the pressure drop of the first circulation part is 0-0.5mmWg/mm, and the pressure drop of the second circulation part is 2-6 mmWg/mm.

Because the aerial fog circulation resistance of second circulation portion is obviously greater than the aerial fog circulation resistance that gets into first circulation portion, so the speed that first circulation portion flue gas circulates is far higher than second circulation portion, produces the pressure differential at the juncture of first circulation portion and second circulation portion, so the flue gas that gets into second circulation portion is cooled down and adsorbs partial harmful substance when flowing through second circulation portion after, is close to first circulation portion gradually and partial final entering first circulation portion. The flue gas is towards vertical and horizontal direction simultaneously, has increased the circulation route of flue gas at the flue gas of second aerial fog circulation section, more is favorable to the cooling.

It should be noted that mmWg/mm means a pressure drop per mm in the axial direction, and the unit mmWg of the pressure drop is mm water, and 1mmWg is about 9.8 Pa.

Preferably, the first circulation part is a smoke channel penetrating through the first circulation part.

At this time, the pressure drop in the first flow path was 0 mmWg/mm.

Preferably, the first aerosol flow-through section is a cylindrical hollow rod.

More preferably, the material of the second flow path is cellulose acetate.

Preferably, the outer wall of the cylindrical hollow rod is provided with a plurality of grooves; preferably, the groove is a through groove formed along the length direction of the hollow rod.

The outer wall of the hollow rod is provided with the groove, so that the smoke can form extra airflow along the outer wall of the hollow rod, the smoke circulation is further increased, the path of smoke circulation is increased, and the cooling effect is increased.

Preferably, the inner wall of the cylindrical hollow rod is provided with a spiral groove, and the spiral groove is a through groove extending along the length direction of the cylindrical hollow rod; preferably, the spiral groove is provided in plurality; more preferably, the spiral grooves are provided in an even number, and the even number of spiral grooves are provided in pairs and are axially symmetrically distributed along the central axis of the hollow rod.

The spiral groove has the function of guiding flue gas, can increase the circulation path of flue gas to the greatest extent, and has good cooling effect. The spiral groove is favorable for smoke circulation and cooling. The number and the distribution mode of the spiral grooves are optimized, so that the smoke gas circulation and the cooling effect can be further ensured.

Further preferably, the width and depth of the plurality of spiral grooves are the same.

The spiral groove is provided along the length direction of the cylindrical hollow rod, the depth of the spiral groove refers to the dimension of the spiral groove in the direction extending from the inner wall surface to the outer wall surface of the cylindrical hollow rod, and the width of the spiral groove refers to the dimension between two side walls in another direction perpendicular to both the length direction and the depth direction, except the length direction and the depth direction.

An aerosol circulation article comprising: a substrate section, said composite aerosol flow-through rod and an outer wrapping element;

the substrate section is contiguous with an end of the first aerosol flow-through section distal to the second aerosol flow-through section;

the outer wrapping element circumferentially wraps the matrix segments and the composite aerosol circulation bar.

The substrate section generates aerosol under the heating action of the heating device, the aerosol flows, is filtered, adsorbed and cooled under the action of the composite aerosol circulation rod, and smoke reaches the near lip end, so that the suction experience of consumers is improved.

The matrix segment is reconstituted tobacco, particles or other one or more combinations of tobacco raw materials and non-tobacco raw materials.

Preferably, the matrix section is formed by cutting dry reconstituted tobacco into long strips and gathering and arranging the long strips along the length direction of the tobacco rod.

Preferably, the outer wrapper element is a plug wrap and/or tipping paper.

An aerosol circulation system comprising the aerosol circulation article and a heating means for heating the substrate segment.

Compared with the prior art, the beneficial effect of this application includes:

1. the application provides a compound aerosol circulation stick through set up the through hole in first aerosol circulation section and set up a plurality of flue gas passageways in second aerosol circulation section, improves absorption, filtration, the circulation situation of flue gas in compound aerosol circulation stick, on the basis of guaranteeing adsorption effect, increases flue gas flux, reduce the temperature.

2. The application provides a compound aerial fog circulation stick through set up the different first circulation portion of pressure drop and second aerial fog circulation portion in second aerial fog circulation section, optimizes compound aerial fog circulation stick's absorption, filtration, cooling, circulation function.

3. The application provides an aerial fog circulation goods and aerial fog circulation system, the suction is experienced well.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 shows a longitudinal cross-sectional view of a composite aerosol flow bar provided in example 1;

figure 2 shows a cross-sectional view of the first aerosol flow-through section provided in example 1;

figure 3 shows a cross-sectional view of the second aerosol flow-through section provided in example 1;

figure 4 shows a longitudinal cross-sectional view of an aerosol flow-through article provided in example 1;

FIG. 5 shows a longitudinal cross-sectional view of the composite aerosol flow bar provided in example 2;

FIG. 6 shows a cross-sectional view of the first mist flow path section provided in example 2;

FIG. 7 is a left side view of the composite aerosol flow wand shown in FIG. 5;

figure 8 shows a cross-sectional view of the second aerosol flow-through section provided in example 2;

figure 9 shows a longitudinal cross-section of an aerosol flow-through article provided in example 2;

figure 10 shows a cross-sectional view of the second aerosol flow-through section provided in example 3;

figure 11 shows a cross-sectional view of the second aerosol flow-through section provided in example 4;

FIG. 12 shows a longitudinal cross-sectional view of the composite aerosol flow bar provided in example 5;

figure 13 shows a cross-sectional view of the first aerosol flow-through section provided in example 5;

figure 14 shows a cross-sectional view of the second aerosol flow-through section provided in example 5;

figure 15 shows a longitudinal cross-sectional view of an aerosol flow-through article provided in example 5;

FIG. 16 shows a transverse cross-sectional view of the composite aerosol flow bar provided in example 6;

FIG. 17 shows a longitudinal cross-sectional view of the composite aerosol flow bar provided in example 6;

figure 18 shows a cross-sectional view of a first and second aerosol flow-through section provided in example 7;

figure 19 shows a cross-sectional view of a second aerosol flow-through section provided in example 7.

Description of the main element symbols:

1-a first aerosol flow-through section; 10-a through channel; 11-a groove; 12-helical groove; 2-a second aerosol circulation segment; 20-near labial end; 21-distal labial end; 22-a through hole; 23-a first flow through; 24-a second flow-through; 25-a through groove; 3-a matrix segment; 4-an outer wrapping element; and 40-forming paper.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It should be noted that the substrate segment of the aerosol circulation product provided by the present application is an aerosol production part, and the composition of the aerosol production part can be reconstituted tobacco, particles or other one or more combinations of tobacco raw materials and non-tobacco raw materials. The term "aerosol" and "smoke" as used herein refer to aerosols generated by heating a substrate segment.

Example 1

Referring to fig. 1, a composite aerosol circulation bar includes: the aerosol generating device comprises a first aerosol flowing section 1 (the cross section is shown in figure 2) and a second aerosol flowing section 2 (the cross section is shown in figure 3), wherein the first aerosol flowing section 1 is a hollow acetate fiber rod, the length of the first aerosol flowing section is 23mm, a through hole channel 10 is arranged along the length direction, the inner diameter of the through hole channel 10 is 2mm, and the cross-sectional area of the through hole channel accounts for 74.4% of the cross-sectional area of the first aerosol flowing section; the second aerosol circulation section 2 is a hollow acetate fiber rod, has a length of 7mm and comprises a near lip end 20 and a far lip end 21, and the far lip end 21 is adjacent to the first aerosol circulation section 1; second aerial fog circulation section 2 is provided with 4 through-holes 22 along far away lip end 21 to nearly lip end 20, and the cross-section of through-hole 22 is circular and around the central axis circumference equipartition of second aerial fog circulation section 2, and the cross-sectional area of through-hole 22 accounts for 30% of the cross-sectional area of second aerial fog circulation section 2, and through-hole 22 communicates with through-hole 10.

Referring to figure 4, an aerosol circulation article comprises a substrate section 3, a composite aerosol circulation stick as described above and an outer wrapper component 4; the substrate section 3 is adjacent to the first aerosol circulation section 1; the external wrapping element 4 circumferentially wraps the substrate section 3 and the composite aerosol circulation rod, and the external wrapping element 4 is tipping paper.

Example 2

Referring to fig. 5, 6 and 7, a composite aerosol circulation wand includes: the aerosol generating device comprises a first aerosol flowing section 1 (the cross section is shown in figure 6) and a second aerosol flowing section 2, wherein the first aerosol flowing section 1 is a hollow acetate fiber rod, the length of the first aerosol flowing section is 25mm, a through hole channel 10 is arranged along the length direction, the inner diameter of the through hole channel 10 is 7mm, and the cross section area of the through hole channel accounts for 60% of the cross section area of the first aerosol flowing section. In addition, the outer wall of the first aerosol circulation section 1 is provided with 4 grooves 11, the cross section of each groove 11 is semicircular (see fig. 6), and in other embodiments, the cross section of each groove 11 can be triangular or a mixture of semicircular and triangular; the groove 11 is a through groove along the length direction of the hollow rod, so that the smoke forms a plurality of air flows on the outer wall of the hollow rod; the second aerosol circulation section 2 is a hollow acetate fiber rod, has a length of 5mm and comprises a near lip end and a far lip end, and the far lip end is adjacent to the first aerosol circulation section 1; the second aerial fog circulation section 2 is provided with 4 through-holes 22 along far away lip end to near lip end, and the cross section of through-hole 22 is circular and around the central axis circumference equipartition of second aerial fog circulation section 2, and the cross-sectional area of through-hole 22 accounts for 10% of the cross-sectional area of second aerial fog circulation section 2, and through-hole 22 communicates with through-hole 10, and through-hole 10 along the orthographic projection of axial direction and through-hole 22 partially overlap, forms the cross-flow on through-hole 10 and through-hole 22 contact surface (refer to fig. 8).

In the hollow acetate fiber rod of the second gas spray circulation section 2, a first circulation part 23 is formed by a through hole 22, and a second circulation part 24 is formed by acetate fibers; the pressure drop in the first flow-through part 23 was 0.5mmWg/mm, and the pressure drop in the second flow-through part 24 was 2 mmWg/mm.

Referring to figure 9, an aerosol circulation article comprises a substrate section 3, a composite aerosol circulation stick as described above and an outer wrapper component 4; the substrate section 3 is adjacent to the first aerosol circulation section 1; the external wrapping element 4 circumferentially wraps the substrate section 3 and the composite aerosol circulation rod, and the external wrapping element 4 is obtained by compounding tipping paper and forming paper.

Example 3

The difference from the embodiment 2 is that the length of the first aerosol circulation section 1 is 20mm, and the length of the second aerosol circulation section 2 is 10 mm; the cross-sectional area of the through-going duct 10 is 30% of the cross-sectional area of the first aerosol flow-through section 1.

In the hollow PLA tow rod of the second gas spray circulation section 2, the through hole 22 forms a first circulation part 23, and the PLA tow forms a second circulation part 24; the pressure drop in the first flow-through part 23 was 0mmWg/mm, and the pressure drop in the second flow-through part 24 was 4 mmWg/mm.

Referring to fig. 10, the second aerosol flow-through section 2 is provided with 6 through holes 22 along the distal lip end to the proximal lip end, and the cross-sectional area of the through holes 22 accounts for 20% of the cross-sectional area of the second aerosol flow-through section 2.

Example 4

The difference from the embodiment 2 is that the length of the first aerosol circulation section 1 is 35mm, and the length of the second aerosol circulation section 2 is 20 mm; the cross-sectional area of the through-going duct 10 is 8.3% of the cross-sectional area of the first aerosol flow-through section 1.

In the hollow acetate fiber rod of the second gas spray circulation section 2, a first circulation part 23 is formed by a through hole 22, and a second circulation part 24 is formed by acetate fibers; the overall pressure drop of the second aerosol flow-through section 2 was 0.3 mmWg/mm.

Referring to fig. 11, the second aerosol circulation segment 2 is provided with 2 through holes 22 from the distal lip end to the proximal lip end, and the cross section of each through hole 22 is triangular; the cross-sectional area of the through-holes 22 is 15% of the cross-sectional area of the second aerosol flow-through section 2.

Example 5

Referring to fig. 12, a composite aerosol circulation bar includes: the aerosol generating device comprises a first aerosol flowing section 1 (the cross section is shown in figure 13) and a second aerosol flowing section 2 (the cross section is shown in figure 14), wherein the first aerosol flowing section 1 is a hollow paper tube, the length of the first aerosol flowing section is 23mm, a through hole channel 10 is arranged along the length direction, the inner diameter of the through hole channel 10 is 4mm, and the cross-sectional area of the through hole channel accounts for 78.3% of the cross-sectional area of the first aerosol flowing section; the second aerosol circulation section 2 is a hollow acetate fiber rod, has a length of 7mm and comprises a near lip end and a far lip end, and the far lip end is adjacent to the first aerosol circulation section 1; the second gas fog circulation section 2 is provided with 4 through holes 22 with oval cross sections along the far lip end to the near lip end, the cross sections of the through holes 22 are circular and are evenly distributed in the circumferential direction around the central shaft of the second gas fog circulation section 2, the cross sections of the through holes 22 account for 25% of the cross section of the second gas fog circulation section 2, and the through holes 22 are communicated with the through hole channel 10; the overall pressure drop of the second aerosol flow-through section 2 was 0.8 mmWg/mm.

Referring to figure 15, an aerosol circulation article comprises a substrate section 3, a composite aerosol circulation stick as described above and an outer wrapper component 4; the substrate section 3 is adjacent to the first aerosol circulation section 1; the external wrapping element 4 circumferentially wraps the substrate section 3 and the composite aerosol circulation rod, and the external wrapping element 4 is tipping paper.

In an alternative embodiment, unlike embodiment 5, the cross section of the through-hole 22 may be circular.

In other embodiments, the first mist flow path section 1 is a hollow paper tube, and the ratio of the cross-sectional area of the through-hole 10 to the cross-sectional area of the first mist flow path section 1 may be 50.7%, 55%, 65%, or the like.

Example 6

Referring to fig. 16 and 17, a composite aerosol circulation wand comprises: the first aerosol circulation section 1 (the cross section is shown in fig. 16, and the longitudinal section (perspective) is shown in fig. 17) and the second aerosol circulation section 2, the length of the first aerosol circulation section 1 is 25mm, and a through hole 10 is arranged along the length direction. In addition, the first aerosol circulation section 1 is a hollow rod, the inner wall of the first aerosol circulation section is provided with 3 pairs of 6 spiral grooves 12, the width and the depth of each spiral groove 12 are the same, and the spiral grooves 12 in the pair are axially and symmetrically distributed along the central axis of the hollow rod; the second aerosol circulation section 2 is made of acetate fiber and has a length of 5mm, and comprises a near lip end and a far lip end, and the far lip end is adjacent to the first aerosol circulation section 1; the second gas fog circulation section 2 is provided with 4 through holes 22 along the far lip end to the near lip end, the cross sectional area of the through holes 22 accounts for 28% of the cross sectional area of the second gas fog circulation section 2, the through holes 22 are communicated with the through hole channel 10, the orthographic projection of the through hole channel 10 along the axial direction is partially overlapped with the orthographic projection of the through holes 22 along the axial direction, and cross flow is formed on the contact surface of the through hole channel 10 and the through holes 22.

The through holes 22 form a first flow-through 23 and the acetate tow forms a second flow-through 24; the pressure drop of the first flow channel 23 was 0mmWg/mm, the pressure drop of the second flow channel 24 was 6mmWg/mm, and the overall pressure drop of the second mist flow channel section 2 was 0.57 mmWg/mm.

An aerosol circulation article comprising a substrate section 3, the composite aerosol circulation stick described above and an outer wrapping element 4; the substrate section 3 is adjacent to the first aerosol circulation section 1; the external wrapping element 4 circumferentially wraps the substrate segment 3 and the composite aerosol circulation bar, and the external wrapping element 4 is the molding paper 40.

Example 7

Referring to fig. 18, the difference from embodiment 1 is that the smoke passage is a through groove 25 with a circular arc-shaped cross section arranged along the outer wall of the second aerosol circulation section.

Referring to fig. 19, the through groove 25 may be a square groove.

In other possible embodiments, the cross-sectional shape of the through groove may also be trapezoidal or other irregular shapes.

In further embodiments, the through-hole 22 and the through-groove 25 may be provided simultaneously.

Comparative example 1

Unlike example 1, the second aerosol flow-through section was a solid acetate rod.

Comparative example 2

In contrast to embodiment 1, the second aerosol passage section is provided with only one through-opening.

In order to better embody the technical effects of the present application, the results of comparing the near-lip smoke flux and the smoke temperature value of the near-lip end of the aerosol circulation product prepared in examples 1 to 7 and comparative examples 1 to 2 with the near-lip end smoke flux of a cigarette with a quaternary structure (light primary flavor: BALANCED tobacco) designed for IQOS by wangbao are shown in the following table 1:

TABLE 1 flue gas throughput and flue gas temperature values

According to the data, the aerosol circulation product prepared by the composite aerosol circulation rod provided by the application has the advantages that the cooling effect on smoke is obvious, the smoke flux is large, and better smoking experience can be provided for consumers.

The aerosol circulation product provided by the application can be made into an aerosol circulation system together with a heating appliance, namely a heating non-combustible product of the product.

In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims (31)

1. A composite aerosol circulation wand comprising:

the first aerosol circulation section is provided with a through hole channel along the length direction;

a second aerosol circulation segment comprising a proximal lip end and a distal lip end, the distal lip end being contiguous with the first aerosol circulation segment;

the second aerial fog circulation section is provided with a plurality of through flue gas channels along the far lip end to the near lip end, and the flue gas channels are communicated with the through hole channel.

2. The composite aerosol flow bar of claim 1, wherein the number of smoke channels is 2-10.

3. The composite aerosol flow bar of claim 2, wherein the number of smoke channels is 3-5.

4. The composite aerosol flow bar of claim 3, wherein there are 4 of the smoke channels.

5. The composite aerosol flow bar of claim 1, wherein the total cross-sectional area of the plurality of smoke channels comprises 10-30% of the cross-sectional area of the second aerosol flow section.

6. The composite aerosol flow wand of claim 1, wherein the plurality of smoke channels are equispaced circumferentially about a central axis of the second aerosol flow section.

7. The composite aerosol circulation wand of claim 1, wherein the smoke channel is a through hole and/or a through groove provided along an outer wall of the second aerosol circulation section.

8. The composite aerosol flow bar of claim 7, wherein the cross-sectional shape of the through-holes comprises one or more of circular, elliptical, triangular.

9. The composite aerosol flow bar of claim 1, wherein the second aerosol flow section is made of acetate fibers or PLA tow.

10. The composite aerosol flow bar of claim 1, wherein the second aerosol flow section has a length of 5-20 mm.

11. The composite aerosol flow bar of claim 1, wherein an orthographic projection of the through-channels in the axial direction and an orthographic projection of the flue gas channel in the axial direction partially overlap.

12. The composite aerosol flow bar of claim 1, wherein the cross-sectional area of the through-channels is 8.3-74.4% of the cross-sectional area of the first aerosol flow-through section.

13. The composite aerosol flow bar of claim 12, wherein the cross-sectional area of the through-channels is 30-60% of the cross-sectional area of the first aerosol flow passage section.

14. The composite aerosol flow bar of claim 1, wherein the first aerosol flow section is a hollow paper tube.

15. The composite aerosol flow bar of claim 14, wherein the cross-sectional area of the through-channels is 50.7-78.3% of the cross-sectional area of the first aerosol flow-through section.

16. The composite aerosol flow bar of claim 15, wherein the cross-sectional area of the through-channels is 55-65% of the cross-sectional area of the first aerosol flow passage section.

17. The composite aerosol flow bar of claim 1, wherein the inner diameter of the through-channels is 2-7 mm.

18. The composite aerosol flow bar of any of claims 1-17, wherein the first aerosol flow section has a length of 5-35 mm.

19. A composite aerosol circulation wand comprising: a first aerosol flow-through section and a second aerosol flow-through section adjacent the first aerosol flow-through section;

the first aerosol circulation section is provided with a through hole channel along the length direction;

the second gas spray circulation section comprises a first circulation part distributed along the axial direction of the second gas spray circulation section and a second circulation part circumferentially covering the first circulation part;

the through hole of the first aerosol circulation section is communicated with the first circulation part and the second circulation part at the same time.

20. The composite aerosol flow bar of claim 19, wherein the first flow portion is a smoke channel therethrough.

21. The composite aerosol flow bar of claim 19, wherein the first aerosol flow section is a cylindrical hollow bar.

22. The composite aerosol flow-through bar of claim 21, wherein the second flow-through portion is made of acetate fiber.

23. The composite aerosol flow-through bar of claim 21, wherein the outer wall of the cylindrical hollow bar is grooved.

24. The composite aerosol circulation bar of claim 23, wherein the grooves are through slots formed along the length of the hollow bar.

25. The composite aerosol flow-through bar of claim 21, wherein the inner wall of the cylindrical hollow bar is provided with a helical groove, the helical groove being a through groove extending in a length direction of the cylindrical hollow bar.

26. The composite aerosol flow bar of claim 25, wherein the helical groove is provided in plurality.

27. The composite aerosol flow bar of claim 26, wherein the helical grooves are provided in an even number, the even number being provided in pairs and distributed axially symmetrically along the central axis of the hollow bar.

28. The composite aerosol flow bar of claim 26, wherein the plurality of helical grooves are the same width and depth.

29. An aerosol circulation article, comprising: a substrate segment, a composite aerosol flow rod of any one of claims 1 to 28, and an outer wrapping element;

the substrate section is contiguous with an end of the first aerosol flow-through section distal to the second aerosol flow-through section;

the outer wrapping element circumferentially wraps the matrix segments and the composite aerosol circulation bar.

30. The aerosol circulation article of claim 29, wherein the outer wrapper component is a plug wrap and/or tipping paper.

31. An aerosol circulation system comprising the aerosol circulation article of claim 29 or 30 and a heating means for heating the substrate segment.

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