CN107594619A - A kind of double filtration filter structures and cigarette - Google Patents
A kind of double filtration filter structures and cigarette Download PDFInfo
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- CN107594619A CN107594619A CN201710866375.XA CN201710866375A CN107594619A CN 107594619 A CN107594619 A CN 107594619A CN 201710866375 A CN201710866375 A CN 201710866375A CN 107594619 A CN107594619 A CN 107594619A
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Abstract
The invention discloses a kind of double filtration filter structures and cigarette, double filtration filter structures include filter tip, filter tip is made up of paper web and the tow portion being filled in paper web, the paper web is the forming paper by internal layer, the three layers structure that the tipping glue-line in middle level and the tipping paper of outer layer are formed, extraneous air is interval with successively along flow of flue gas trend on the filter tip enters area and flue gas speed-change area, extraneous air enters at area to be circumferentially arranged provided with multiple air ducts along filter tip, deep hole area and shallow bore hole area are interval with successively along flow of flue gas trend at flue gas speed-change area, it is circumferentially arranged at deep hole area along filter tip provided with multiple deep holes, it is circumferentially arranged at shallow bore hole area along filter tip provided with multiple shallow bore holes, and the depth that shallow bore hole is extended to inside tow portion is less than the depth that deep hole is extended to inside tow portion.The present invention improves the ability of filter tip filtering, it is ensured that tow fully filters, and further reduces tar content in cigarette.
Description
Technical field
The invention belongs to technical field of cigarettes, and in particular to a kind of double filtration filter structures and cigarette.
Background technology
Conventional cigarette flow of flue gas mode：Laminar condition is presented in flowing of the main flume in filter stick, in the flow regime
Under, smoke particle makees smooth linear motion along the direction parallel with pipe axle.The flow velocity of fluid is maximum at tube hub, its nearly wall
Place is minimum.Under this kind of state, main smoke components flow out and filtered in filter stick center, as shown in Figure 1.In Fig. 1
Reference is as follows：1- tipping papers, 2- forming papers, 3- tippings glue-line, 4- cigarette paper, 5- pipe tobaccos, 8- tow portion, the arrow of 9 instructions
Head represents main flume trend, and the arrow that label 10 indicates represents that diluent air trend, label 12 represent to filter heel row through filter tip
The mixing air gone out.
Which has the following disadvantages：
1st, filter efficiency is relatively low, it is impossible to realizes uniform filtering.Because main smoke components are in filter tip center flow filtration, filter
Flue gas flow is on the low side around mouth, causes center flue gas particle deposition at most, surrounding tow flue gas particle deposition is on the low side, is filtering
Mouth end shows as center tar height, and color is deep, and ambient color is shallow.
2nd, filter efficiency inconsequent, filter effect are unbalanced.In normal smoke, early stage is due to tow filter efficiency
Highest, flue gas concentration is relatively low, and strength is smaller, and single port tar content is in 0.8mg/ mouths or so；The later stage is aspirated, due to filter tip center
Part tow has filtered fully even up to saturation state, filtering efficiency decline, causes flue gas concentration rise, strength bigger than normal,
For single port tar content in 1.5mg/ mouths or so, easily there is macula lutea phenomenon, non-mistake because filtering efficiency is relatively low in filter ends center
The tar of filter enters oral cavity, causes taste bad, and the tip of the tongue is bitter.
The content of the invention
The present invention is in order to solve weak point of the prior art, there is provided a kind of double filtration filter structures and cigarette, carries
The high ability of filter tip filtering, it is ensured that tow fully filters, and further reduces tar content in cigarette.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：A kind of double filtration filter structures, including filter
Mouth, filter tip are made up of paper web and the tow portion being filled in paper web, and the paper web is by the glue for connecting of the forming paper of internal layer, middle level
The three layers structure that the tipping paper of layer and outer layer is formed, extraneous air is interval with successively along flow of flue gas trend on the filter tip
Into area and flue gas speed-change area, extraneous air enters at area to be circumferentially arranged along filter tip to be worn provided with multiple air ducts, air duct
Cross the tipping glue-line in middle level and connected with the forming paper of internal layer and with tow portion, at flue gas speed-change area along flow of flue gas trend successively
Deep hole area and shallow bore hole area are interval with, is circumferentially arranged at deep hole area along filter tip and passes through the tipping in middle level provided with multiple deep holes, deep hole
Glue-line and with the forming paper of internal layer and extend to inside tow portion, be circumferentially arranged at shallow bore hole area along filter tip provided with multiple shallow bore holes, it is shallow
Hole through middle level tipping glue-line and with the forming paper of internal layer and extend to inside tow portion, and shallow bore hole is extended to inside tow portion
Depth be less than the depth that extends to inside tow portion of deep hole.
Deep hole at the deep hole area is connected with the shallow bore hole in shallow bore hole area by interface channel, interface channel be located at deep hole area and
At tipping glue-line between shallow bore hole area.
The length of the interface channel is more than the gap length between deep hole area and shallow bore hole area.
Gap length between the deep hole area and shallow bore hole area is more than 1mm.
The tipping paper of the outer layer is air-permeable paper.
The deep hole, shallow bore hole make by laser boring technique.
The invention also discloses a kind of cigarette, the cigarette includes described double filtration filter structures.
The beneficial effects of the invention are as follows：
Using above-mentioned technical proposal, deep hole area is close to pipe tobacco end, and the hole depth of deep hole is relatively deep and close to filter stick center,
Shallow bore hole area is close to lip end side, and the hole depth of shallow bore hole is shallower, and deep hole at deep hole area and the shallow bore hole in shallow bore hole area pass through company
Connect road connection, interface channel is at the tipping glue-line positioned at deep hole area and shallow bore hole area between so that tipping paper, be hinged with glue-line,
Forming paper shape is at deep hole area and shallow bore hole area into a semi-open smog circulation.In the cigarette, a part of mainstream smoke
Gas is according to traditional type of flow proper flow to cigarette afterbody, when part of smoke is by deep hole area, due to the cavity in deep hole
There is no tow stop, the empty cavity position flowing of flue gas changed course deep hole, and reentered through the shallow bore hole at interface channel to shallow bore hole area
The tow portion of filter tip, in the process, pressure diminishes flue gas first when entering cavity, and flow of flue gas slows, and increases cigarette
After aerated particle deposits probability, while flue gas reenters filter tip shallow-layer tow by shallow bore hole, again passing by has more high filtration capacity
Tow filter, further increase filter tip filtering ability, it is ensured that tow fully filters, and further reduces tar content in cigarette.
The invention also discloses a kind of cigarette, the cigarette includes double filtration filter structures, the double filtration filter structures
Above-described embodiment is can refer to, will not be repeated here.Naturally, because the cigarette of the present invention employs above-mentioned double filtration filter
The technical scheme of mouth structure, therefore the cigarette has all beneficial effects of above-mentioned double filtration filter structures.
Brief description of the drawings
Fig. 1 is the structural representation of the conventional cigarette in background technology；
Fig. 2 is the structural representation of the present invention；
Fig. 3 is the filter stick punching schematic diagram of double filtration cigarette.
Embodiment
The embodiment of the present invention is elaborated below in conjunction with accompanying drawing.
As shown in Fig. 2 a kind of double filtration filter structures of the present invention, including filter tip, filter tip is by paper web and is filled in paper
Tow portion 8 in cylinder forms, and the paper web is by the forming paper 2 of internal layer, the tipping glue-line 3 in middle level and the shape of tipping paper 1 of outer layer
Into three layers structure, be interval with extraneous air successively along flow of flue gas trend on the filter tip and enter area 10 and flue gas speed change
Area, extraneous air enters to be circumferentially arranged along filter tip at area passes through the tipping glue-line 3 in middle level provided with multiple air ducts, air duct
With the forming paper 2 with internal layer and connected with tow portion, be interval with deep hole area successively along flow of flue gas trend at flue gas speed-change area
With shallow bore hole area, it is circumferentially arranged along filter tip at deep hole area and passes through the tipping glue-line 3 and and internal layer in middle level provided with multiple deep holes 6, deep hole 6
Forming paper 2 and extend to inside tow portion 8, be circumferentially arranged at shallow bore hole area along filter tip provided with multiple shallow bore holes 7, during shallow bore hole 7 passes through
The tipping glue-line 3 of layer and with the forming paper 2 of internal layer and extend to inside tow portion 8, and the depth that shallow bore hole 7 is extended to inside tow portion
Degree is less than the depth that deep hole 6 is extended to inside tow portion, and the gap length between deep hole area and shallow bore hole area is more than 1mm.
Deep hole 6 at the deep hole area is connected with the shallow bore hole 7 in shallow bore hole area by interface channel 11, and interface channel 11 is positioned at deep
At tipping glue-line 3 between porose area and shallow bore hole area.The length of the interface channel 11 is more than the interval between deep hole area and shallow bore hole area
Length.
In the present embodiment, the specific set-up mode of interface channel 11 is as follows：During cigarette tipping, in flue gas speed-change area
Adhesive-free area is set, adhesive-free area length is more than length between shallow bore hole area at deep hole area, and by tipping paper 1, tipping glue-line 3, into
Type paper 2 forms a semi-open smog circulation, that is, forms the connection interface channel 11.
In the present embodiment, the tipping paper of the outer layer is air-permeable paper, and the deep hole, shallow bore hole are by laser boring technique system
Make.
The operation principle of the present invention is as follows：
The arrow that label 9 indicates in Fig. 2 represents main flume trend, and the arrow that label 10 indicates represents diluent air trend, deep
Porose area and the arrow in shallow bore hole area represent that flue gas moves towards in the flue gas of flue gas speed-change area, and label 12 represents what is discharged after filter tip filters
Mixing air.
Because using above-mentioned technical proposal, deep hole area is close to pipe tobacco end, and the hole depth of deep hole 6 is relatively deeply and close to filter stick
Center, shallow bore hole area is close to lip end side, and the hole depth of shallow bore hole 7 is shallower, and deep hole at deep hole area and shallow bore hole area
Shallow bore hole is connected by interface channel 11.In the cigarette, a part of main flume is according to traditional type of flow proper flow to cigarette
Branch afterbody, when part of smoke is by deep hole area, because the cavity in deep hole does not have tow stop, the sky of flue gas changed course deep hole 6
Chamber position is flowed, and the tow portion of filter tip, in the process, cigarette are reentered through the shallow bore hole 7 at interface channel 11 to shallow bore hole area
Pressure diminishes gas first when entering cavity, and flow of flue gas slows, increase flue gas particle deposition probability, while flue gas is by shallow
After hole reenters filter tip shallow-layer tow, the tow filter with more high filtration capacity is again passed by, further increases filter tip
The ability of filtering, it is ensured that tow fully filters, and further reduces tar content in cigarette.
The present embodiment also discloses a kind of cigarette, and the cigarette includes double filtration filter structures, the double filtration filter tip knot
Structure can refer to above-described embodiment, will not be repeated here.Naturally, because the cigarette of the present embodiment employs above-mentioned dual mistake
The technical scheme of filter structures is filtered, therefore the cigarette has all beneficial effects of above-mentioned double filtration filter structures.
As shown in figure 3, during filter stick formation, according to cell distribution of the cigarette holder in cigarette, designed respectively on filter stick
Position carries out laser boring, and each filter unit ensures there are two row's laser holes, wherein a row is deep hole 6, a row is shallow bore hole
7, two round spacing are more than more than 1mm, and ensure after splicing after cutting with cigarette, are deep hole close to cigarette section, close to cigarette tail
End for shallow bore hole.
Filter stick after forming and laser boring, when being hinged with cigarette, filter tip is cut into according to filter stick unit, with cigarette section
Be spliced cigarette（As shown in Figure 2）, cigarette section is made up of cigarette paper 4 and pipe tobacco 5.
Above example is only to illustrative and not limiting technical scheme, although with reference to above-described embodiment to this hair
It is bright to be described in detail, it will be understood by those within the art that：Still the present invention can be modified or be waited
With replacing, any modification or partial replacement without departing from the spirit and scope of the present invention, it all should cover the power in the present invention
Among sharp claimed range.
Claims (7)
1. a kind of double filtration filter structures, including filter tip, filter tip is made up of paper web and the tow portion being filled in paper web, described
Paper web is the three layers structure formed by the tipping paper of the forming paper of internal layer, the tipping glue-line in middle level and outer layer, it is characterised in that：
Extraneous air is interval with successively along flow of flue gas trend on the filter tip and enters area and flue gas speed-change area, and extraneous air enters area
Place is circumferentially arranged provided with multiple air ducts along filter tip, air duct through the tipping glue-line in middle level and with the forming paper of internal layer simultaneously
Connected with tow portion, be interval with deep hole area and shallow bore hole area successively along flow of flue gas trend at flue gas speed-change area, edge at deep hole area
Filter tip is circumferentially arranged provided with multiple deep holes, deep hole through middle level tipping glue-line and with the forming paper of internal layer and extend to tow portion
Inside, it is circumferentially arranged along filter tip provided with multiple shallow bore holes at shallow bore hole area, shallow bore hole is through the tipping glue-line in middle level and the shaping with internal layer
Paper is simultaneously extended to inside tow portion, and the depth that shallow bore hole is extended to inside tow portion is less than the depth that deep hole is extended to inside tow portion
Degree.
2. double filtration filter structures according to claim 1, it is characterised in that：Deep hole and shallow bore hole at the deep hole area
The shallow bore hole in area is connected by interface channel, and interface channel is at the tipping glue-line between deep hole area and shallow bore hole area.
3. double filtration filter structures according to claim 2, it is characterised in that：The length of the interface channel is more than deep
Gap length between porose area and shallow bore hole area.
4. double filtration filter structures according to claim 3, it is characterised in that：Between the deep hole area and shallow bore hole area
Gap length is more than 1mm.
5. double filtration filter structures according to claim 3, it is characterised in that：The tipping paper of the outer layer is ventilative
Paper.
6. the double filtration filter structures according to Claims 2 or 3 or 4 or 5, it is characterised in that：The deep hole, shallow bore hole are equal
Made by laser boring technique.
A kind of 7. cigarette, it is characterised in that：Including the double filtration filter structures described in claim any one of 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710866375.XA CN107594619B (en) | 2017-09-22 | 2017-09-22 | Dual-filter-tip structure and cigarette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710866375.XA CN107594619B (en) | 2017-09-22 | 2017-09-22 | Dual-filter-tip structure and cigarette |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107594619A true CN107594619A (en) | 2018-01-19 |
| CN107594619B CN107594619B (en) | 2023-09-15 |
Family
ID=61062052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710866375.XA Active CN107594619B (en) | 2017-09-22 | 2017-09-22 | Dual-filter-tip structure and cigarette |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107594619B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109512023A (en) * | 2018-11-12 | 2019-03-26 | 中国烟草总公司郑州烟草研究院 | A method of regulating and controlling filter tip filter efficiency by optimization filter ventilation rates and punch position |
| WO2022218008A1 (en) * | 2021-04-15 | 2022-10-20 | 南京英伟思特科技发展有限公司 | Filter tip rod having micro-cavity structure and filter rod punching control system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2051461A5 (en) * | 1969-06-30 | 1971-04-02 | Reynolds Rj Tobacco Cy | Tobacco smoke filter |
| GB1299855A (en) * | 1968-12-04 | 1972-12-13 | Molins Machine Co Ltd | Improvements in or relating to tobacco smoke filters |
| CN101500440A (en) * | 2006-08-08 | 2009-08-05 | 菲利普莫里斯生产公司 | Smoking article with single piece restrictor and chamber |
| CN101959432A (en) * | 2008-01-07 | 2011-01-26 | 英美烟草(投资)有限公司 | Smoking article |
| CN103974636A (en) * | 2011-12-09 | 2014-08-06 | 日本烟草产业株式会社 | Smoking article and filter |
| CN105192883A (en) * | 2015-10-09 | 2015-12-30 | 云南恩典科技产业发展有限公司 | Rotary filter rod internally provided with independent core rod |
| CN106490678A (en) * | 2016-10-26 | 2017-03-15 | 中国烟草总公司郑州烟草研究院 | The Medicated cigarette of baffle plate is provided with a kind of filter tip |
| CN106572698A (en) * | 2014-08-07 | 2017-04-19 | 日本烟草产业株式会社 | Cigarette with filter |
-
2017
- 2017-09-22 CN CN201710866375.XA patent/CN107594619B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1299855A (en) * | 1968-12-04 | 1972-12-13 | Molins Machine Co Ltd | Improvements in or relating to tobacco smoke filters |
| FR2051461A5 (en) * | 1969-06-30 | 1971-04-02 | Reynolds Rj Tobacco Cy | Tobacco smoke filter |
| CN101500440A (en) * | 2006-08-08 | 2009-08-05 | 菲利普莫里斯生产公司 | Smoking article with single piece restrictor and chamber |
| CN101959432A (en) * | 2008-01-07 | 2011-01-26 | 英美烟草(投资)有限公司 | Smoking article |
| CN103974636A (en) * | 2011-12-09 | 2014-08-06 | 日本烟草产业株式会社 | Smoking article and filter |
| CN106572698A (en) * | 2014-08-07 | 2017-04-19 | 日本烟草产业株式会社 | Cigarette with filter |
| CN105192883A (en) * | 2015-10-09 | 2015-12-30 | 云南恩典科技产业发展有限公司 | Rotary filter rod internally provided with independent core rod |
| CN106490678A (en) * | 2016-10-26 | 2017-03-15 | 中国烟草总公司郑州烟草研究院 | The Medicated cigarette of baffle plate is provided with a kind of filter tip |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109512023A (en) * | 2018-11-12 | 2019-03-26 | 中国烟草总公司郑州烟草研究院 | A method of regulating and controlling filter tip filter efficiency by optimization filter ventilation rates and punch position |
| CN109512023B (en) * | 2018-11-12 | 2020-11-24 | 中国烟草总公司郑州烟草研究院 | Method for regulating and controlling filter efficiency of filter tip by optimizing ventilation rate and punching position of filter tip |
| WO2022218008A1 (en) * | 2021-04-15 | 2022-10-20 | 南京英伟思特科技发展有限公司 | Filter tip rod having micro-cavity structure and filter rod punching control system |
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|---|---|
| CN107594619B (en) | 2023-09-15 |
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