CN105342005A - Coaxial filter rod with double permeability - Google Patents
Coaxial filter rod with double permeability Download PDFInfo
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- CN105342005A CN105342005A CN201510785045.9A CN201510785045A CN105342005A CN 105342005 A CN105342005 A CN 105342005A CN 201510785045 A CN201510785045 A CN 201510785045A CN 105342005 A CN105342005 A CN 105342005A
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Abstract
The invention provides a coaxial filter rod with double permeability. The coaxial filter rod is sequentially provided with external-layer forming paper, external-layer trench cellulose paper, an external-layer cellulose acetate fiber filter core, internal-layer forming paper, internal-layer trench cellulose paper and an internal-layer cellulose acetate fiber filter core. An internal core and an external core are made by adoption of cellulose acetate tows having different fiber specifications/different numbers of fibers such that smoke pressure drop of the internal core is smaller than that of the external core. The internal core adopts the specification/number of cellulose acetate fibers of 11Y/15000. The external core adopts the specification/number of cellulose acetate fibers of 7.5Y/16000 or 7.5/16000.The coaxial filter rod with double permeability has following beneficial effects: a large amount of smoke flows through the internal core; bidirectional flow between internal and external layers of tows and trench cellulose paper is generated, thereby increasing a smoke flow path and a filtering area; and as a result, much more smoke particulates are intercepted so that tar amount and CO emission quantity of an cigarette are effectively decreased.
Description
Technical field
The present invention relates to a kind of raw material of coaxial filter stick, structure and shape.
Background technology
Common filter stick has common vinegar fine filter stick, furrowfilter rod, coaxial core filter stick, and whichever kind, the flue gas transparent performance of whole filter stick filter core is substantially identical.Coaxial core filter stick is rolled by outer filter body wrapping inner layer filtering bodies and forms, and cross section is that on same plane, the center of circle coincides and different two circles of radius, and the major advantage of conventional coaxial core filter stick is that its cross section has unique visual effect.
Existing coaxial core filter stick is by the restriction of strand specification, generally select the tow of the same size of 6.0Y/17000, and due to tow pressure when internal layer rolls larger, cause the pressure drop of filter stick inner core high, outer core pressure drop is low, and flue gas major part flows through from outer section, make coaxial core filter stick to fall burnt function still not ideal enough.
Number of patent application be 2014203261422 utility model disclose a kind of inner core furrowfilter rod, it comprises inner core and outer shroud, described outer shroud parcel inner core, described inner core is made up of the first forming paper, groove fiber element paper and acetate silk filter core, and described acetate silk filter core is from inside to outside enclosed with the groove and the first forming paper that are formed by groove fiber element paper successively; Described outer shroud is made up of the second forming paper and acetate silk, and described second forming paper is wrapped on described acetate silk; Described outer shroud and inner core form concentric structure; The temperature of this filter stick to flue gas lacks adjustment, and not mentioned strand specification, and strand specification directly affects physical index and the performance of coaxial core filter stick.Coaxial filter stick inner core selects conventional 6.0Y/17000 specification tow, in forming process, inner core can be subject to the extruding of outer tow and become tightr, and outward appearance is easily out of shape, again when inner core wraps up one deck cellulose paper, extruding can be more serious, and cause inner core groove tooth-shape unintelligible even anodontia, greatly reduces the filter effect of inner core groove.
Number of patent application be 2015200653578 utility model belong to tobacco plug production technical field, be specifically related to a kind of concentric grooves cigarette filter rod being added with graphene oxide.This filter stick comprises the peripheral groove being positioned at inner inner ring groove and being positioned at outside, and inner ring groove and peripheral groove form concentric structure jointly; Described inner ring groove is made up of forming paper, internal channel paper, internal layer tow in wrapping up successively from outside to inside; Described peripheral groove is made up of the outer forming paper of wrapping up successively from outside to inside, outer channel paper, outer tow.Described internal channel paper, outer channel paper dual coating have graphene oxide composite material.This utility model lowering harm and decreasing coking effect is better, but inside and outside filter core does not have difference, does not have regulatory function, also not mentioned strand specification to the temperature of flue gas and flue gas circulation path.Owing to adding graphene oxide, certainly will cause inner core and outer field difference in hardness, during cigarette tipping rubbing filter stick, skin is easily separated with inner core, affects the use of filter stick on cigarette.
Summary of the invention
Goal of the invention:
The invention provides a kind of inner core and profile there is different pressure drop, effectively reduce the coaxial filter stick of the bilateral permeability of tar content in cigarette.
Technical scheme:
The invention provides a kind of coaxial filter stick of bilateral permeability, there is coaxial inner core and outer core, from outside to inside, there is outer forming paper, outer groove fiber element paper, outer acetate fiber filter core, internal layer forming paper, internal layer groove fiber element paper, internal layer acetate fiber filter core successively.Inner core and outer core adopt the acetate silk of different fiber dimensious/different number of fiber to make respectively, make the flue gas pressure drop in inner core be less than flue gas pressure drop in outer core.Thus realize the different pressure drop combination of filter core, to become the tar and CO that retain better in flue gas.Preferred inner core adopts the specification/radical of acetate fiber to be that the tow of 11Y/15000 or 8.0Y/15000 is made; Specification/the radical of preferred outer core employing acetate fiber is 8.0/15000, the tow of 7.5Y/16000 or 7.5/16000 is made.Make the coaxial core filter stick inner core pressure drop of making be starkly lower than outer core pressure drop, flue gas considerable part is divided from inner core and is flow through.When main flume passes through, the longitudinal direction of existing tow filters absorption, there is again the filtration absorption of transverse crossing tow and groove fiber element paper, increase flow of flue gas path, reduce the temperature of flue gas, flue gas fully can be contacted with inside and outside groove fiber element paper, increase filter area, thus retain more harmful substance in flue gas.
Especially inner core adopts the specification/radical of acetate fiber to be 11Y/15000, when outer core adopts the specification/radical of acetate fiber to be 7.5Y/16000 or 7.5/16000, when inside and outside core pressure drop difference reaches about 3/4, reduce coke tar in cigarette, CO effect is best, and cigarette smoking organoleptic quality is best.
The groove tooth-shape of described groove fiber element paper is stepped tooth or round-arced tooth, the number of teeth of internal channel cellulose paper is 9-16, the number of teeth of outer channel cellulose paper is 17-21, the pressure of inner cellulose paper groove is 0.30-0.45mm deeply, the pressure of outer fiber element paper groove is 0.40-0.50mm deeply, and internal channel cellulose paper grammes per square metre is 80-100g/m
2, outer channel cellulose paper grammes per square metre is 70-90g/m
2.(end face of filter stick is both attractive in appearance, and interior outer channel specification coordinates with inside and outside core diameter, and make formability good, flue gas permeability and the inside and outside new pressure drop of filter stick entirety are proper, and the suction mouthfeel of people is better, is not easily choked by flue gas).
Inner core groove fiber element paper paper can also be coated with 10-30g/m
2pEG6000-10000, now the temperature of this groove fiber element letterweight groove grooved roller adopts 125-140 DEG C, and the stable molding of groove, not easily causes too large distortion for high-temperature flue gas and wetness.To improve inner core groove fiber element paper intensity, be conducive to keeping groove tooth-shape regular, make groove tooth-shape clear attractive in appearance, franchise≤0.04mm.
Meanwhile, increase flue gas absorption or strainability, improve cigarette sanitation index.
Two kinds of grooves can be discontinuous in the longitudinal direction, and two kinds of grooves can be and the straight burr groove of axis parallel or spiral type groove.
Internal layer forming paper can use common forming paper or color forming paper, can also use the high porosity plug wrap paper that air permeability is 3000-24000CU.
In the present invention, nearly lip end inner core circumference during suction can be less than nearly pipe tobacco section inner core circumference, nearly lip end inner core circumference 4.0-4.7, nearly pipe tobacco section inner core circumference 4.7-5.0.Fragrant line can be preset in inner core center, and heart yearn color can select white, redness, blueness, purple etc., and heart yearn also can the various local flavor of load or harm reduction essence.
The remainder of the outer ring forming paper internal package of the coaxial filter stick of bilateral permeability of the present invention, the part of the local filter core of the filter stick can made as more than three kinds or three kinds coaxial filter cores, to make the coaxial filter stick of many permeabilities.
Beneficial effect:
The diacetate fiber of special requirement/radical of the present invention attempts first using in coaxial core filter stick.Experiment proves, groove coaxial core filter stick disclosed by the invention can reduce the pressure drop of coaxial core filter stick inner core, realize flue gas considerable part to flow through from inner core, make flue gas produce two-way flow between ectonexine tow and groove fiber element paper simultaneously, increase flow of flue gas path, flue gas fully can be contacted with inside and outside groove fiber element paper, increase filter area, thus retain more Smoke Particulates, compared with generic coaxial core filter stick, effectively can reduce tar content in cigarette and CO burst size, and organoleptic quality when improving cigarette suction.Inside and outside core groove tooth-shape is more clear simultaneously, and presentation quality is better, plays fine visual effect and false proof effect.Two groove coaxial core is complex as flue gas and provides multichannel, makes flue gas soft, and it is more obvious to fall burnt effect.
Accompanying drawing explanation
Fig. 1 is a cross-sectional structure schematic diagram of the present invention.
In figure, 1, outer ring forming paper; 2, outer channel cellulose paper; 3, outer core; 4, inner ring forming paper; 5, internal channel cellulose paper; 6, inner core.
Detailed description of the invention
Embodiment 1:
Groove coaxial core filter stick prepared by special requirement diacetate fiber of the present invention, as shown in Figure 1, prepared filter stick external diameter 7.5-7.7mm, inner core diameter 4.7-5.0mm, filter lengths 84-120mm, filter stick pressure drop is 2800-4000Pa.
Adopt special requirement tow respectively, interior tow selects 11Y/15000, and outer tow selects 6.7Y/17000; Other raw and auxiliary materials are the same, and adopt identical technique to prepare groove coaxial core filter stick.Inner core is full, and outer filter core tow loading is moderate, and inside and outside filter stick, groove tooth-shape is clear, and inner core pressure drop difference reaches 3/4 of outer core pressure drop, reduce coke tar in cigarette, CO effect is better, and cigarette smoking organoleptic quality is best.In addition, inner core is close with outer hardness, outer and inner core is not easily separated during cigarette tipping rubbing filter stick, improves the applicability of groove coaxial core filter stick on kinds of cigarettes rolling up and connecting machine.Inside and outside groove coaxial core filter stick tar ratio prepared by the present invention, core adopts the coaxial furrowfilter rod reduction 2-3mg/ of 6.7Y/17000 filter core of the same race to prop up.
Claims (6)
1. the coaxial filter stick of a bilateral permeability, there is coaxial inner core and outer core, from outside to inside, there is outer forming paper, outer groove fiber element paper, outer acetate fiber filter core, internal layer forming paper, internal layer groove fiber element paper, internal layer acetate fiber filter core successively, it is characterized in that: inner core and outer core adopt the acetate silk of different fiber dimensious/different number of fiber to make respectively, make the flue gas pressure drop in inner core be less than flue gas pressure drop in outer core.
2. the coaxial filter stick of bilateral permeability as claimed in claim 1, it is characterized in that: the specification/radical of acetate silk that inner core adopts is 11Y/15000,8.0Y/15000, the specification/radical of the acetate silk that outer core adopts be 8.0/15000,7.5Y/16000,7.5/16000.
3. the coaxial filter stick of the bilateral permeability as described in claim 1 and 2, it is characterized in that: the number of teeth of internal channel cellulose paper is 9-16, the number of teeth of outer channel cellulose paper is 17-21, the pressure of inner cellulose paper groove is 0.30-0.45mm deeply, the pressure of outer fiber element paper groove is 0.40-0.50mm deeply, and internal channel cellulose paper grammes per square metre is 80-100g/m
2, outer channel cellulose paper grammes per square metre is 70-90g/m
2.
4. the coaxial filter stick of the bilateral permeability as described in claim 1 and 3, is characterized in that: inner core groove fiber element paper paper is also coated with 10-30g/m
2pEG6000-10000.
5. the coaxial filter stick of bilateral permeability as claimed in claim 4, is characterized in that: the temperature of inner core groove fiber element letterweight groove grooved roller adopts 125-140 DEG C.
6. the coaxial filter stick of the bilateral permeability as described in claim 1 and 2, is characterized in that: the remainder of described outer ring forming paper internal package, the part of the local filter core of the filter stick made as more than three kinds or three kinds coaxial filter cores.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510785045.9A CN105342005A (en) | 2015-11-17 | 2015-11-17 | Coaxial filter rod with double permeability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510785045.9A CN105342005A (en) | 2015-11-17 | 2015-11-17 | Coaxial filter rod with double permeability |
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| Publication Number | Publication Date |
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| CN105342005A true CN105342005A (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510785045.9A Pending CN105342005A (en) | 2015-11-17 | 2015-11-17 | Coaxial filter rod with double permeability |
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| CN (1) | CN105342005A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106579548A (en) * | 2017-01-07 | 2017-04-26 | 云南中烟工业有限责任公司 | Separating-type cigarette-making trench filter rod unit |
| CN108078003A (en) * | 2017-12-25 | 2018-05-29 | 四川三联新材料有限公司 | A kind of cellulose paper ring-shaped device and preparation method with gas channel |
| CN113598409A (en) * | 2021-08-31 | 2021-11-05 | 南通烟滤嘴有限责任公司 | Filter tip with suspended inner core and cigarette |
| CN114631644A (en) * | 2022-04-26 | 2022-06-17 | 南通烟滤嘴有限责任公司 | Double-layer filter stick, composite filter stick, cigarette and cigarette preparation method |
| WO2023226522A1 (en) | 2022-05-24 | 2023-11-30 | 云南中烟工业有限责任公司 | Filter rod having hollow outer section and filled inner core, and processing method therefor |
| WO2024114026A1 (en) * | 2022-11-29 | 2024-06-06 | 云南中烟工业有限责任公司 | Cigarette structure with composite filter stick |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1282546A (en) * | 1999-07-29 | 2001-02-07 | 日本烟草产业株式会社 | Cigarette filter tip and cigaratte with filter tip at its top end |
| CN102448334A (en) * | 2009-05-26 | 2012-05-09 | 菲尔特隆纳过滤产品开发私人有限公司 | Tobacco smoke filter |
| CN204444223U (en) * | 2015-01-30 | 2015-07-08 | 河南中烟工业有限责任公司 | Be added with the concentric grooves cigarette filter rod of graphene oxide |
-
2015
- 2015-11-17 CN CN201510785045.9A patent/CN105342005A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1282546A (en) * | 1999-07-29 | 2001-02-07 | 日本烟草产业株式会社 | Cigarette filter tip and cigaratte with filter tip at its top end |
| CN102448334A (en) * | 2009-05-26 | 2012-05-09 | 菲尔特隆纳过滤产品开发私人有限公司 | Tobacco smoke filter |
| CN204444223U (en) * | 2015-01-30 | 2015-07-08 | 河南中烟工业有限责任公司 | Be added with the concentric grooves cigarette filter rod of graphene oxide |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106579548A (en) * | 2017-01-07 | 2017-04-26 | 云南中烟工业有限责任公司 | Separating-type cigarette-making trench filter rod unit |
| CN108078003A (en) * | 2017-12-25 | 2018-05-29 | 四川三联新材料有限公司 | A kind of cellulose paper ring-shaped device and preparation method with gas channel |
| CN108078003B (en) * | 2017-12-25 | 2024-03-15 | 四川三联新材料有限公司 | Cellulose paper annular device with airflow channel and preparation method |
| CN113598409A (en) * | 2021-08-31 | 2021-11-05 | 南通烟滤嘴有限责任公司 | Filter tip with suspended inner core and cigarette |
| CN114631644A (en) * | 2022-04-26 | 2022-06-17 | 南通烟滤嘴有限责任公司 | Double-layer filter stick, composite filter stick, cigarette and cigarette preparation method |
| WO2023226522A1 (en) | 2022-05-24 | 2023-11-30 | 云南中烟工业有限责任公司 | Filter rod having hollow outer section and filled inner core, and processing method therefor |
| WO2024114026A1 (en) * | 2022-11-29 | 2024-06-06 | 云南中烟工业有限责任公司 | Cigarette structure with composite filter stick |
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Inventor after: Sheng Peixiu Inventor after: Duan Liangyong Inventor after: Cai Weibing Inventor after: Gu Yongsheng Inventor after: Guo Junliang Inventor after: Jin Qiang Inventor after: Qin Changfeng Inventor before: Jin Qiang Inventor before: Cai Weibing Inventor before: Sheng Peixiu Inventor before: Guo Junliang Inventor before: Qin Changfeng |
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