CN205378844U - Coaxial filter rod of bi -pass permeability - Google Patents
Coaxial filter rod of bi -pass permeability Download PDFInfo
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- CN205378844U CN205378844U CN201520911688.9U CN201520911688U CN205378844U CN 205378844 U CN205378844 U CN 205378844U CN 201520911688 U CN201520911688 U CN 201520911688U CN 205378844 U CN205378844 U CN 205378844U
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Abstract
The utility model provides a coaxial filter rod of bi -pass permeability, from outside to inside has outer shaping paper, outer slot cellulose paper, outer acetate filter core, inlayer shaping paper, inlayer slot cellulose paper, inlayer acetate filter core in proper order. The inner core adopts the acetate silk bundle of different fibre specifications / different fibre radicals to make respectively with outer core for flue gas pressure drop in the inner core is less than the flue gas pressure drop in the outer core. The inner core can adopt specification / radical of acetate to be 11Y15000, and specification / radical that outer core can adopt acetate is 7.5Y16000 or 7.516000. The utility model discloses realize that flue gas a great part flows past from the inner core, the while produces the two -way flow between ectonexine silk bundle and slot cellulose paper, increase flue gas flow path, increases filter area to hold back more thickness gas grain looks thing, effectively reduce cigarette tar volume and CO burst size.
Description
Technical field
This utility model relates to structure and the shape of a kind of coaxial filter stick.
Background technology
Common filter stick has common vinegar fibre filter stick, furrowfilter rod, coaxial core filter stick, whichever kind, and the flue gas transparent performance of whole filter stick filter element is essentially 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, conventional coaxial core filter stick have the advantages that its cross section has the visual effect of uniqueness.
Existing coaxial core filter stick is by the restriction of strand specification, the tow of the general same size selecting 6.0Y/17000, and owing to tow pressure when internal layer rolls is bigger, cause filter stick inner core pressure drop high, outer core pressure drop is low, and flue gas major part flows through from outer section, make coaxial core filter stick to drop burnt function still not ideal enough.
Number of patent application be 2014203261422 utility model disclose a kind of inner core furrowfilter rod, it includes 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 element, and described acetate silk filter element 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 constitute concentric structure；The temperature of flue gas is lacked adjustment not mentioned strand specification by this filter stick, 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 layer tow and become tightr, and outward appearance is easily deformed, again when inner core wraps up one layer of cellulose paper, extruding can be more serious, and causes that inner core groove tooth-shape is unintelligible even anodontia, is substantially reduced 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 includes internally positioned internal ring groove and externally-located peripheral groove, and internal ring groove and peripheral groove collectively form concentric structure；Described internal ring groove is made up of the interior forming paper wrapped up successively from outside to inside, internal channel paper, internal layer tow；Described peripheral groove is made up of the outer forming paper wrapped up successively from outside to inside, outer channel paper, outer layer 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 element does not have difference, and temperature and flue gas circulation path to flue gas do not have regulatory function, yet not mentioned strand specification.Owing to adding graphene oxide, certainly will causing the difference in hardness of inner core and outer layer, during cigarette tipping rubbing filter stick, outer layer and inner core can be easily separated, and affect filter stick use on Medicated cigarette.
Summary of the invention
Utility model purpose:
This utility model provides a kind of inner core and profile to have different pressure drop, effectively reduce the coaxial filter stick of double; two permeabilitys of tar content in cigarette.
Technical scheme:
This utility model provides the coaxial filter stick of a kind of pair of permeability, there is coaxial inner core and outer core, from outside to inside, there is outer ring forming paper, outer layer groove fiber element paper, outer layer acetate fiber filter element, internal layer forming paper, internal layer groove fiber element paper, internal layer acetate fiber filter element successively.Inner core is respectively adopted the acetate silk of different fiber dimensious/different number of fiber and makes from outer core so that the flue gas pressure drop in inner core is less than the flue gas pressure drop in outer core.Thus realizing the pressure drop combination that filter element is different, in order to become the tar and CO that retain in flue gas better.Preferred inner core adopts the tow that specification/radical is 11Y/15000 or 8.0Y/15000 of acetate fiber to make；Preferably specification/the radical of outer core employing acetate fiber is 8.0/15000, the tow of 7.5Y/16000 or 7.5/16000 makes.Making the coaxial core filter stick inner core pressure drop made significantly lower than outer core pressure drop, flue gas considerable part tapped from inner core.When main flume passes through, longitudinal Filtration Adsorption of existing tow, there are again transverse crossing tow and the Filtration Adsorption of groove fiber element paper, increase flow of flue gas path, reduce the temperature of flue gas, making flue gas can be fully contacted with inside and outside groove fiber element paper, increasing filter area, thus retaining 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 preferably, 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/m2, outer channel cellulose paper grammes per square metre is 70-90g/m2.(end face of filter stick is both attractive in appearance, and interior outer channel specification coordinates with inside and outside core diameter so that formability is good, and flue gas permeability and inside and outside new pressure drop ratio that filter stick is overall are appropriate, 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/m2PEG6000-10000, now this groove fiber element letterweight groove grooved roller temperature adopt 125-140 DEG C, the stable molding of groove, not easily cause too big deformation 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 clearly 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 the straight burr groove with axis parallel or spiral type groove.
Internal layer forming paper can use common forming paper or color forming paper, it is also possible to using air permeability is the high porosity plug wrap paper of 3000-24000CU.
In the present invention, nearly lip end inner core circumference during suction can less than nearly tobacco shred section inner core circumference, nearly lip end inner core circumference 4.0-4.7, nearly tobacco shred section inner core circumference 4.7-5.0.Fragrant line can be preset in inner core center, and heart yearn color may 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 of the present utility model pair of coaxial filter stick of permeability, it is possible to the ingredient of the local filter element of the filter stick made as three kinds or more than three kinds coaxial filter elements, in order to make the coaxial filter stick of many permeabilitys.
Beneficial effect:
The diacetate fiber of special requirement/radical that this utility model adopts, is attempt first using in coaxial core filter stick.Experiment proves, groove coaxial core filter stick disclosed in this utility model can reduce coaxial core filter stick inner core pressure drop, 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, make flue gas can be fully contacted with inside and outside groove fiber element paper, increase filter area, thus retaining more Smoke Particulate, compared with generic coaxial core filter stick, can effectively reduce tar content in cigarette and CO burst size, and improve organoleptic quality when cigarette is aspirated.Inside and outside core groove tooth-shape becomes apparent from simultaneously, and presentation quality is better, plays fine visual effect and false proof effect.Double; two groove coaxial core are complex as flue gas and provide multichannel, make flue gas soft, drop burnt effect and become apparent from.
Accompanying drawing explanation
Fig. 1 is a cross-sectional structure schematic diagram of the present utility model.
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:
The groove coaxial core filter stick prepared by special requirement diacetate fiber that this utility model adopts, as it is 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.
Being respectively adopted special requirement tow, 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 layer filter element tow loading is moderate, and inside and outside filter stick, groove tooth-shape is clear, and inner core pressure drop difference reaches the 3/4 of outer core pressure drop, reduces coke tar in cigarette, CO effect better, and cigarette smoking organoleptic quality is best.Additionally, inner core and outer layer hardness are close, during cigarette tipping rubbing filter stick, outer layer and inner core are not readily separated, and improve the suitability on kinds of cigarettes rolling up and connecting machine of the groove coaxial core filter stick.Inside and outside groove coaxial core filter stick tar ratio prepared by this utility model, core adopts the coaxial furrowfilter rod reduction 2-3mg/ of 6.7Y/17000 filter element of the same race to prop up.
Claims (5)
1. the coaxial filter stick of double; two permeabilitys, there is coaxial inner core and outer core, from outside to inside, there is outer ring forming paper, outer layer groove fiber element paper, outer layer acetate fiber filter element, internal layer forming paper, internal layer groove fiber element paper, internal layer acetate fiber filter element successively, it is characterised in that: inner core is respectively adopted the acetate silk of different fiber dimensious/different number of fiber and makes from outer core.
2. the coaxial filter stick of double; two permeability as claimed in claim 1, it is characterized in that: the specification/radical of acetate silk that inner core adopts is 11Y/15000 or 8.0Y/15000, the specification/radical of the acetate silk that outer core adopts is 8.0/15000,7.5Y/16000 or 7.5/16000.
3. the coaxial filter stick of double; two permeability as claimed in claim 1, 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/m2, outer channel cellulose paper grammes per square metre is 70-90g/m2。
4. the coaxial filter stick of double; two permeability as claimed in claim 1, it is characterised in that: inner core groove fiber element paper paper is also coated with 10-30g/m2PEG6000-10000.
5. the coaxial filter stick of permeabilitys as claimed in claim 1 double; two, it is characterised in that: the remainder of described outer ring forming paper internal package, the ingredient of the local filter element of the filter stick made as three kinds or more than three kinds coaxial filter elements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520911688.9U CN205378844U (en) | 2015-11-17 | 2015-11-17 | Coaxial filter rod of bi -pass permeability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520911688.9U CN205378844U (en) | 2015-11-17 | 2015-11-17 | Coaxial filter rod of bi -pass permeability |
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| Publication Number | Publication Date |
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| CN205378844U true CN205378844U (en) | 2016-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520911688.9U Active CN205378844U (en) | 2015-11-17 | 2015-11-17 | Coaxial filter rod of bi -pass permeability |
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| CN (1) | CN205378844U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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2015
- 2015-11-17 CN CN201520911688.9U patent/CN205378844U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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