CN114631644A - Double-layer filter stick, composite filter stick, cigarette and cigarette preparation method - Google Patents
Double-layer filter stick, composite filter stick, cigarette and cigarette preparation method Download PDFInfo
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- CN114631644A CN114631644A CN202210447455.2A CN202210447455A CN114631644A CN 114631644 A CN114631644 A CN 114631644A CN 202210447455 A CN202210447455 A CN 202210447455A CN 114631644 A CN114631644 A CN 114631644A
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- Prior art keywords
- filter
- filter stick
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- stick
- layer
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- 235000019504 cigarettes Nutrition 0.000 title claims abstract description 43
- 239000002131 composite material Substances 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 229920006221 acetate fiber Polymers 0.000 claims abstract description 21
- 238000013329 compounding Methods 0.000 claims abstract description 7
- URAYPUMNDPQOKB-UHFFFAOYSA-N triacetin Chemical compound CC(=O)OCC(OC(C)=O)COC(C)=O URAYPUMNDPQOKB-UHFFFAOYSA-N 0.000 claims description 24
- 235000013773 glyceryl triacetate Nutrition 0.000 claims description 12
- 239000001087 glyceryl triacetate Substances 0.000 claims description 12
- 229960002622 triacetin Drugs 0.000 claims description 12
- 229920006239 diacetate fiber Polymers 0.000 claims description 11
- 239000000835 fiber Substances 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 4
- WDJHALXBUFZDSR-UHFFFAOYSA-N acetoacetic acid Chemical compound CC(=O)CC(O)=O WDJHALXBUFZDSR-UHFFFAOYSA-N 0.000 claims 2
- 241000208125 Nicotiana Species 0.000 abstract 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 87
- 230000009172 bursting Effects 0.000 description 5
- 230000000149 penetrating effect Effects 0.000 description 5
- 230000001788 irregular Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002355 dual-layer Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/04—Tobacco smoke filters characterised by their shape or structure
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/02—Manufacture of tobacco smoke filters
- A24D3/0229—Filter rod forming processes
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/02—Manufacture of tobacco smoke filters
- A24D3/025—Final operations, i.e. after the filter rod forming process
- A24D3/0254—Cutting means
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/06—Use of materials for tobacco smoke filters
- A24D3/062—Use of materials for tobacco smoke filters characterised by structural features
- A24D3/063—Use of materials for tobacco smoke filters characterised by structural features of the fibers
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/06—Use of materials for tobacco smoke filters
- A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
- A24D3/10—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent of cellulose or cellulose derivatives
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Abstract
The invention relates to the technical field of tobacco, in particular to a double-layer filter stick, a composite filter stick, a cigarette and a preparation method of the cigarette. The double-layer filter stick is used for preparing cigarettes and comprises an inner-layer filter element and an outer-layer filter element. The outer filter core is the tubulose, and the inlayer filter core setting is in the lumen of outer filter core, and the axis of inlayer filter core and the axis of outer filter core are the same line. The outer surface of the inner filter element is provided with a groove, and/or a through hole penetrates through the inner filter element along the axial direction. The composite filter rod comprises forming paper, an acetate fiber filter rod and the double-layer filter rod, wherein the forming paper is wrapped on the outer sides of the acetate fiber filter rod and the double-layer filter rod, and the acetate fiber filter rod and the double-layer filter rod are coaxially spliced. The cigarette comprises the composite filter stick, and the preparation method for preparing the cigarette comprises the following steps: and preparing an inner-layer filter rod by using a first filter rod forming device, preparing an outer-layer filter rod by using a second filter rod forming device, compounding the inner-layer filter rod and the outer-layer filter rod, and slitting the compounded filter rods to obtain the double-layer filter rod.
Description
Technical Field
The invention relates to the technical field of cigarette grass, in particular to a double-layer filter stick, a composite filter stick, a cigarette and a preparation method of the cigarette.
Background
Hollow filter stick cigarettes are gradually favored by the market by virtue of novel appearance and easy and comfortable smoking experience, and the demands of consumers on hollow filter sticks are gradually diversified. As the manufacturing process of the hollow filter stick is gradually mature, the special-shaped hollow filter sticks with grooves or other irregular shapes on the surface also appear in succession, and the high-quantitative forming paper is required to be used for wrapping in order to prevent the surface of the hollow filter stick from collapsing due to the uneven outer surface of the special-shaped hollow filter stick. The high-quantitative formed paper has large thickness, high strength and larger forming difficulty, and the lap of the formed paper is easy to burst.
Therefore, a double-layer filter stick, a composite filter stick, a cigarette and a preparation method of the cigarette are needed to solve the above problems.
Disclosure of Invention
The invention aims to provide a double-layer filter stick, which has the advantages that the outer surface of the double-layer filter stick is not easy to collapse, high-quantitative forming paper is not required for wrapping, and the phenomenon of bursting at a forming paper lap can be effectively prevented.
In order to achieve the purpose, the invention adopts the following technical scheme:
the double-layer filter stick is used for preparing cigarettes and comprises an inner-layer filter element and an outer-layer filter element, wherein the outer-layer filter element is tubular, the inner-layer filter element is arranged in a tube cavity of the outer-layer filter element, the axis of the inner-layer filter element is parallel to the axis of the outer-layer filter element, a groove is formed in the outer surface of the inner-layer filter element, and/or a through hole penetrates through the inner-layer filter element along the axial direction.
As a preferable scheme of the double-layer filter stick, the inner-layer filter element and the outer-layer filter element are coaxially arranged.
As a preferable scheme of the double-layer filter stick, the outer wall of the inner-layer filter core is in interference fit with the inner wall of the outer-layer filter core.
As a preferable scheme of the double-layer filter stick, a plurality of grooves are arranged and are uniformly arranged along the circumferential direction of the inner-layer filter element (11) at intervals.
As a preferable scheme of the double-layer filter stick, the outer diameter of the inner-layer filter core ranges from 5mm to 6mm, the outer diameter of the outer-layer filter core ranges from 7mm to 8mm, and the wall thickness of the outer-layer filter core ranges from 1mm to 2 mm.
The invention also aims to provide a composite filter stick, the outer surface of the composite filter stick is not easy to collapse, and the bursting phenomenon at the lap of the forming paper can be effectively prevented.
In order to achieve the purpose, the invention adopts the following technical scheme:
a composite filter stick comprises forming paper, an acetate fiber filter stick and the double-layer filter stick, wherein the forming paper wraps the acetate fiber filter stick and the double-layer filter stick, and the acetate fiber filter stick and the double-layer filter stick are coaxially spliced.
Still another object of the present invention is to provide a cigarette, wherein the composite filter stick is not easy to collapse, and the lap of the forming paper is not easy to burst.
In order to achieve the purpose, the invention adopts the following technical scheme:
a cigarette comprises the composite filter stick.
The invention also aims to provide a preparation method, wherein the composite filter stick of the prepared cigarette is not easy to collapse, and the lap of the forming paper is not easy to burst.
In order to achieve the purpose, the invention adopts the following technical scheme:
a preparation method for preparing the cigarette, which comprises the following steps:
preparing an inner-layer filter rod by using a first filter rod forming device, preparing an outer-layer filter rod by using a second filter rod forming device, compounding the inner-layer filter rod and the outer-layer filter rod, and slitting the compounded filter rods to obtain the double-layer filter rod.
As a preferable scheme of the preparation method, when the inner-layer filter stick is prepared, the first filter stick forming device adopts a steam inner sleeve and a cooling inner sleeve with the diameter of 5mm-6mm, diacetate fiber tows containing triacetin are rapidly formed under the action of steam with the high temperature of 120-170 ℃ and the high pressure of 0.1-0.2 MPa to obtain the inner-layer filter stick, the inner-layer filter stick is prepared by adopting diacetate fiber tows with the single-strand monofilament density of 5-7 deniers and the tow total density of 20000-40000 deniers, and the added triacetin accounts for 15-30% of the mass ratio of the diacetate fiber tows;
when the outer layer filter stick is prepared, the second filter stick forming device adopts the steam inner sleeve and the cooling inner sleeve with the diameters of 7-8 mm, the diacetic fiber tows containing the glyceryl triacetate are quickly formed under the action of steam with the high temperature of 120-170 ℃ and the high pressure of 0.1-0.2 MPa to obtain the outer layer filter stick, the prepared outer layer filter stick adopts the diacetic fiber tows with the density of two strands of single threads of 5-7 deniers and the total density of the tows of 20000-40000 deniers, or the density of the single strands of 5-7 deniers and the total density of the tows of 40000-80000 deniers, and the added glyceryl triacetate accounts for 15-30% of the mass of the diacetic fiber tows.
As a preferred scheme of the preparation method, after the double-layer filter stick is obtained, the acetate fiber filter stick and the double-layer filter stick are compounded by using forming paper to prepare a composite filter stick, and then the composite filter stick is compounded with cigarettes to obtain the cigarettes.
The invention has the beneficial effects that:
the invention provides a double-layer filter stick for preparing cigarettes, which comprises an inner-layer filter core and an outer-layer filter core. Wherein, outer filter core is the tubulose, and the inlayer filter core sets up in the lumen of outer filter core, and the axis of inlayer filter core is parallel with the axis of outer filter core. The outer surface of the inner filter element is provided with a groove, and/or a through hole penetrates through the inner filter element along the axial direction. When the outer surface of the inner filter element is provided with a groove, or the inner filter element is provided with a through hole in a penetrating way along the axial direction, or the outer surface of the inner filter element is provided with a groove at the same time, and the inner filter element is easy to collapse when the inner filter element is provided with a through hole in a penetrating way along the axial direction. However, the outer filter element is arranged outside the inner filter element of the double-layer filter rod, and the outer filter element has a supporting function, so that collapse can be prevented, and the forming paper with high ration is not required to be wrapped, so that the phenomenon of bursting at the lap of the forming paper can be effectively prevented.
The invention also provides a composite filter rod which comprises the forming paper, the acetate fiber filter rod and the double-layer filter rod, wherein the forming paper is wrapped on the outer sides of the acetate fiber filter rod and the double-layer filter rod, and the acetate fiber filter rod and the double-layer filter rod are coaxially spliced. Because the outer surface of the double-layer filter stick is not easy to collapse, namely the outer surface of the composite filter stick is not easy to collapse, and high-quantitative forming paper is not needed, the phenomenon of bursting at the lap of the forming paper can be effectively prevented.
The invention also provides a cigarette which comprises the composite filter stick, wherein the composite filter stick is not easy to collapse, and the lap of the forming paper is not easy to burst.
The invention also provides a preparation method for preparing the cigarette, which comprises the following steps: and preparing an inner-layer filter rod by using a first filter rod forming device, preparing an outer-layer filter rod by using a second filter rod forming device, compounding the inner-layer filter rod and the outer-layer filter rod, and slitting the compounded filter rods to obtain the double-layer filter rod. The cigarette prepared by the preparation method has the advantages that the composite filter stick is not easy to collapse, and the lap of the forming paper is not easy to burst.
Drawings
Figure 1 is a cross-sectional view of a dual layer filter rod provided by an embodiment of the present invention;
fig. 2 is a schematic partial structure diagram of a cigarette provided by the embodiment of the invention.
In the figure:
1. double-layer filter sticks; 11. an inner layer filter element; 111. a groove; 112. a through hole; 12. an outer layer filter element;
2. filtering the acetate fiber filter rod;
3. and (5) cigarette making.
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings and the embodiment. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
As the manufacturing process of the hollow filter stick is gradually mature, the special-shaped hollow filter sticks with grooves or other irregular shapes on the surface also appear in succession, and the high-quantitative forming paper is required to be used for wrapping in order to prevent the surface of the hollow filter stick from collapsing due to the uneven outer surface of the special-shaped hollow filter stick. The high-quantitative formed paper has large thickness, high strength and larger forming difficulty, and the lap of the formed paper is easy to burst.
Accordingly, the present embodiment provides a double filter rod 1 to solve the above problems.
As shown in fig. 1, the double-layer filter stick 1 is used for preparing cigarettes, and the double-layer filter stick 1 comprises an inner filter element 11 and an outer filter element 12. The outer filter element 12 is tubular, the inner filter element 11 is arranged in a tube cavity of the outer filter element 12, and the axis of the inner filter element 11 is parallel to the axis of the outer filter element 12. The outer surface of the inner filter element 11 is provided with a groove 111, and/or the inner filter element 11 is provided with a through hole 112 in an axial direction in a penetrating manner.
When the outer surface of the inner filter element 11 is provided with the groove 111, or the inner portion thereof is provided with the through hole 112 in a penetrating manner along the axial direction, or the outer surface of the inner filter element 11 is provided with the groove 111 and the inner portion thereof is provided with the through hole 112 in a penetrating manner along the axial direction, the inner filter element 11 is easy to collapse. However, the outer layer filter element 12 is arranged outside the inner layer filter element 11 of the double-layer filter stick 1, the outer layer filter element 12 has a supporting function, collapse can be prevented, high-quantitative forming paper is not needed for wrapping, and the phenomenon that the forming paper lap is burst can be effectively prevented.
Preferably, the inner filter element 11 and the outer filter element 12 are coaxially arranged, and the through hole 112 is provided at the center of the inner filter element 11. When the thickness of each part of the outer filter element 12 is consistent, the supporting force of the outer filter element 12 to each part of the inner filter element 11 can be ensured to be balanced.
Preferably, the outer wall of the inner filter element 11 and the inner wall of the outer filter element 12 are in interference fit to ensure firm connection therebetween.
Preferably, a plurality of grooves 111 are formed on the outer surface of the inner filter element 11, and the grooves 111 are uniformly arranged along the circumferential direction. The outer surface of the inner filter element 11 is uniformly provided with a plurality of grooves 111, and compared with the arrangement of a groove 111 with the same volume at a certain position, the structure of the inner filter element is more helpful for preventing collapse, and the requirement on the supporting strength of the outer filter element 12 is lower.
According to the conventional size of the cigarette, preferably, the outer diameter of the inner filter element 11 ranges from 5mm to 6mm, the outer diameter of the outer filter element 12 ranges from 7mm to 8mm, and the wall thickness of the outer filter element 12 ranges from 1mm to 2mm, so as to ensure the supporting strength of the outer filter element 12.
The embodiment also provides a composite filter stick which comprises the forming paper, the acetate fiber filter stick 2 and the double-layer filter stick 1, wherein the forming paper is wrapped on the outer sides of the acetate fiber filter stick 2 and the double-layer filter stick 1, and the acetate fiber filter stick 2 and the double-layer filter stick 1 are coaxially spliced. Because the outer surface of the double-layer filter stick 1 is not easy to collapse, namely the outer surface of the composite filter stick is not easy to collapse, and high-quantitative forming paper is not needed, the phenomenon of bursting at the lap of the forming paper can be effectively prevented.
As shown in fig. 2, the embodiment also provides a cigarette, which comprises a cigarette 3 and the composite filter stick, and the acetate fiber filter stick 2 is spliced with the cigarette 3. The composite filter stick of the cigarette is not easy to collapse, and the lap of the forming paper is not easy to burst.
The embodiment also provides a preparation method for preparing the cigarette, which comprises the following steps:
the inner layer filter stick is prepared by using a first filter stick forming device, preferably, when the inner layer filter stick is prepared, the first filter stick forming device adopts a steam inner sleeve and a cooling inner sleeve with the diameter of 5mm-6mm, and the inner layer filter stick is obtained by quickly forming diacetate fiber tows containing triacetin under the action of steam with the high temperature of 120-170 ℃ and the high pressure of 0.1-0.2 MPa.
Preferably, the inner layer filter rod is prepared by adopting diacetate fiber tows with single monofilament linear density of 5-7 deniers and overall tow density of 20000-40000 deniers, and the added glyceryl triacetate accounts for 15-30% of the mass of the diacetate fiber tows.
And (3) preparing the outer-layer filter stick by using a second filter stick forming device, preferably, when the outer-layer filter stick is prepared, the second filter stick forming device adopts a steam inner sleeve and a cooling inner sleeve with the diameter of 7mm-8mm, and the outer-layer filter stick is obtained by quickly forming the diacetate fiber tows containing the triacetin under the action of steam with the high temperature of 120-170 ℃ and the high pressure of 0.1-0.2 MPa.
Preferably, the outer layer filter stick is prepared by adopting diacetate fiber tows with a double-strand monofilament density of 5-7 deniers and a tow total density of 20000-40000 deniers, or diacetate fiber tows with a single-strand monofilament density of 5-7 deniers and a tow total density of 40000-80000 deniers, and the added glyceryl triacetate accounts for 15-30% of the mass of the diacetate fiber tows.
And compounding the prepared inner-layer filter stick and the outer-layer filter stick to enable the inner-layer filter stick and the outer-layer filter stick to be coaxially sleeved, wherein the outer wall of the inner-layer filter stick is in interference fit with the inner wall of the outer-layer filter stick. And then slitting the compounded filter sticks according to the size requirement to obtain a plurality of double-layer filter sticks 1.
After the double-layer filter stick 1 is obtained, the acetate fiber filter stick 2 and the double-layer filter stick 1 are compounded by using forming paper to prepare a compound filter stick. Wherein, the acetate fiber filter stick 2 and the double-layer filter stick 1 are spliced coaxially along the length direction. And finally, compounding the composite filter stick with the cigarette 3 to obtain the cigarette.
The preparation method has the advantages of simple process and high production efficiency, and the cigarette prepared by the preparation method has the advantages that the composite filter stick is not easy to collapse, the lap of the forming paper is not easy to burst, and the quality of the product can be effectively ensured.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a double-deck filter rod, its characterized in that for preparing the cigarette, double-deck filter rod (1) includes inlayer filter core (11) and outer filter core (12), outer filter core (12) are the tubulose, inlayer filter core (11) set up in the lumen of outer filter core (12), the axis of inlayer filter core (11) with the axis of outer filter core (12) is parallel, be provided with recess (111) on the surface of inlayer filter core (11), and/or, it is provided with through-hole (112) to run through along the axial in inlayer filter core (11).
2. A double layer filter rod according to claim 1 wherein the inner filter element (11) and the outer filter element (12) are coaxially arranged.
3. A double layer filter rod according to claim 1 wherein the outer wall of the inner filter element (11) and the inner wall of the outer filter element (12) are an interference fit.
4. A double-layer filter rod according to claim 1, wherein the grooves (111) are provided in plurality, and the grooves (111) are uniformly arranged at intervals along the circumferential direction of the inner filter element (11).
5. The double-layer filter stick according to claim 1, wherein the outer diameter of the inner filter element (11) ranges from 5mm to 6mm, the outer diameter of the outer filter element (12) ranges from 7mm to 8mm, and the wall thickness of the outer filter element (12) ranges from 1mm to 2 mm.
6. A composite filter stick, characterized by comprising a forming paper, an acetate fiber filter stick (2) and a double-layer filter stick according to any one of claims 1 to 5, wherein the forming paper is wrapped on the outer sides of the acetate fiber filter stick (2) and the double-layer filter stick (1), and the acetate fiber filter stick (2) and the double-layer filter stick (1) are coaxially spliced.
7. A cigarette comprising the composite filter rod of claim 6.
8. A method of making the cigarette of claim 7, comprising the steps of:
preparing an inner layer filter stick by using a first filter stick forming device, preparing an outer layer filter stick by using a second filter stick forming device, compounding the inner layer filter stick and the outer layer filter stick, and slitting the compounded filter stick to obtain a double-layer filter stick (1).
9. The preparation method according to claim 8, wherein in the preparation of the inner filter rod, the first filter rod forming device adopts a steam inner sleeve and a cooling inner sleeve with the diameter of 5mm-6mm, and diacetic acid fiber tows containing triacetin are subjected to rapid forming under the action of steam with the high temperature of 120-170 ℃ and the high pressure of 0.1-0.2 MPa to obtain the inner filter rod, the single-strand diacetate fiber tows with the filament density of 5-7 denier and the tow total density of 20000-40000 denier are adopted for preparing the inner filter rod, and the added triacetin accounts for 15-30% of the mass of the diacetic acid fiber tows;
when the outer layer filter stick is prepared, the second filter stick forming device adopts the steam inner sleeve and the cooling inner sleeve with the diameters of 7-8 mm, the diacetic fiber tows containing the glyceryl triacetate are quickly formed under the action of steam with the high temperature of 120-170 ℃ and the high pressure of 0.1-0.2 MPa to obtain the outer layer filter stick, the prepared outer layer filter stick adopts the diacetic fiber tows with the density of two strands of single threads of 5-7 deniers and the total density of the tows of 20000-40000 deniers, or the density of the single strands of 5-7 deniers and the total density of the tows of 40000-80000 deniers, and the added glyceryl triacetate accounts for 15-30% of the mass of the diacetic fiber tows.
10. The preparation method according to claim 8, wherein after the double-layer filter stick (1) is obtained, a forming paper is used for compounding the acetate fiber filter stick (2) and the double-layer filter stick (1) to prepare a composite filter stick, and then the composite filter stick is compounded with the cigarette (3) to obtain the cigarette.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210447455.2A CN114631644A (en) | 2022-04-26 | 2022-04-26 | Double-layer filter stick, composite filter stick, cigarette and cigarette preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210447455.2A CN114631644A (en) | 2022-04-26 | 2022-04-26 | Double-layer filter stick, composite filter stick, cigarette and cigarette preparation method |
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| CN114631644A true CN114631644A (en) | 2022-06-17 |
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| CN202210447455.2A Pending CN114631644A (en) | 2022-04-26 | 2022-04-26 | Double-layer filter stick, composite filter stick, cigarette and cigarette preparation method |
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| CN103230096A (en) * | 2013-05-22 | 2013-08-07 | 广东中烟工业有限责任公司 | Composite cigarette filter stick capable of automatically draining and composite cigarette |
| CN103584280A (en) * | 2013-10-24 | 2014-02-19 | 上海烟草集团有限责任公司 | Composite filter tip |
| CN203801720U (en) * | 2014-01-15 | 2014-09-03 | 南通烟滤嘴有限责任公司 | Special-shaped foaming body filter stick |
| CN203943067U (en) * | 2014-06-18 | 2014-11-19 | 川渝中烟工业有限责任公司 | Inner core furrowfilter rod |
| CN104770874A (en) * | 2015-03-21 | 2015-07-15 | 南通烟滤嘴有限责任公司 | Hollow filter stick and production method thereof |
| CN105342005A (en) * | 2015-11-17 | 2016-02-24 | 南通烟滤嘴有限责任公司 | Coaxial filter rod with double permeability |
| CN205962813U (en) * | 2016-07-30 | 2017-02-22 | 牡丹江卷烟材料厂有限责任公司 | Empty filter core composite filter rod of dysmorphism |
| CN109463797A (en) * | 2018-11-30 | 2019-03-15 | 江苏大亚滤嘴材料有限公司 | A kind of moulding process of no coated papers filter stick |
| CN210076559U (en) * | 2019-05-07 | 2020-02-18 | 牡丹江卷烟材料厂有限责任公司 | Coaxial type special-shaped hollow filter rod |
| CN110810917A (en) * | 2019-12-14 | 2020-02-21 | 上海同巽环保科技有限公司 | Safe and environment-friendly cooling filter tip rod and preparation method thereof |
| CN110881685A (en) * | 2019-12-11 | 2020-03-17 | 山东将军烟草新材料科技有限公司 | Drawing type preparation equipment and preparation method of hollow filter stick |
| CN110934331A (en) * | 2018-09-25 | 2020-03-31 | 浙江中烟工业有限责任公司 | Concentric filter stick suitable for heating non-burning cigarettes and manufacturing process thereof |
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| CN111685367A (en) * | 2020-07-28 | 2020-09-22 | 牡丹江卷烟材料厂有限责任公司 | Composite filter stick |
| CN112931939A (en) * | 2021-03-19 | 2021-06-11 | 深圳市智叶科技有限公司 | Filter tip and electronic cigarette |
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