CN106036999A - Compound cigarette filter tip - Google Patents
Compound cigarette filter tip Download PDFInfo
- Publication number
- CN106036999A CN106036999A CN201610645655.3A CN201610645655A CN106036999A CN 106036999 A CN106036999 A CN 106036999A CN 201610645655 A CN201610645655 A CN 201610645655A CN 106036999 A CN106036999 A CN 106036999A
- Authority
- CN
- China
- Prior art keywords
- filter
- metal
- filter tip
- metal powder
- powder sintered
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- A24D1/00—Cigars; Cigarettes
- A24D1/02—Cigars; Cigarettes with special covers
- A24D1/027—Cigars; Cigarettes with special covers with ventilating means, e.g. perforations
-
- 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
-
- 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
- A24D3/16—Use of materials for tobacco smoke filters of inorganic materials
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Filtering Materials (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention relates to a compound cigarette filter tip which comprises a filter tip section close to the lip end, a filter tip section close to the tobacco shred end and wrapping paper. The filter tip section close to the lip end is provided with a fiber filtration layer, the filter tip section close to the tobacco shred end is provided with a metal sintered porous filtration layer, the metal sintered porous filtration layer is a micro-filtration element made from a metal powder sintered porous filtration material, the metal powder sintered porous filtration material is prepared by using metal particles as a raw material, one-time formation is achieved through a formation technology after pretreatment, and the metal powder sintered porous filtration material is formed after sintering. The filtration material is high in filtration precision, good in filtration effect, uniform in structure and good in reproducibility, so that the compound cigarette filter tip does not deform, has the very good filtration effect on nicotine, tar, nitrosamine and other non-gaseous-phase toxic and harmful substances, does not absorb beneficial aroma components in cigarettes, is high in melting point, does not cause overburning producing cancerogens, prevents scorch and toxic smoke (produced due to scorch of the filter tip), has a good cooling effect and makes cigarettes having a cool and refreshing taste.
Description
Technical field
The invention belongs to filter plug field, especially relate to a kind of compound filter tip for cigarette.
Background technology
Hundreds of harmful chemical substance can be produced during cigarette burning, including nicotine, tar, nitrosamine etc. tens of kinds
Carcinogen.The smog formed during cigarette combustion is formed by cohesions such as cyanide, acrylic aldehyde, formaldehyde, acetaldehyde, various Organic substances, this
The average diameter of grain is in 0.2-0.4 μm slightly, and particle concentration is at 10-1000mg/cm3Left and right.At present cigarette filter mainly by
Acetate fiber, polyacrylic fibres or pure paper are made, and typically can increase the length of filter tip, current filter length to strengthen filter effect
Generally 20mm-30mm.Conventional single formula cigarette filter exists to the harmful components filter capacity such as tar, nicotine not
Foot, easy burning produce carcinogen, the shortcomings such as medicated cigarette temperature is high, market needs develop have high efficiency filter ability, can anti-mistake
Burn the cigarette filter tip of high temperature-proof, thus reduce the actual bodily harm to consumer, improve and suck mouthfeel.
The filter plug of medicated cigarette has certain adsorption, the newest absorption filtering material to have the filtration of metal sintering to inhale
Enclosure material, metal powder sintered filtering material is with various metals as raw material, through the porous filtering that forming and sintering step is formed
Material, advantage is that filtering accuracy height, good permeability, mechanical strength are high, stock utilization is high, metal powder sintered filtering material
Can adapt to higher operating temperature and heat shock resistance.This porous material is widely used in medical industry, water treatment industry, food
Industry, biological engineering, chemical industry, petrochemical industry, metallurgical industry and field of gas purification, by adjust powder particle size and
Process conditions, it is possible to producing the porous filter material that filtering accuracy scope is wider, therefore this series products is widely used in urging
The recovery of agent, chemical industry, medicine, beverage, food, metallurgical, oil, the gas-liquid filteration in the field such as environmental protection fermentation with separate；Respectively
Kind gas, the dedusting of steam, degerming, oil mist removing；Noise reduction, hinders flame, gas buffer etc..
In prior art, metal dust is easily assembled during molding, and heterogeneous microstructure is difficult to control to, and is difficult to adjust
It has suffered the performance of filtering material, it is difficult to obtain the loose structure of ideal structure, and filter element function singleness, it is difficult to meet complex situations
Demand.
Summary of the invention
For solving above-mentioned technical problem, the present invention provides a kind of compound filter tip for cigarette, including nearly lip end filter tip section, near
Tobacco-end filter section and bag paper, nearly lip end filter tip section is connected by embedded structure with nearly tobacco-end filter section, chimeric
Structure includes groove and the columnar projections of nearly tobacco-end filter section front end of nearly lip end filter tip section end, columnar projections with
Groove shapes is mated, and bag paper bag is rolled in outside nearly lip end filter tip section and nearly tobacco-end filter section, nearly lip end filter plug
Section is provided with fibrous filter layer, and nearly tobacco-end filter section is provided with metal sintering porous filtering layer.
Preferably, fibrous filter layer is made up of the one in acetate fiber, polypropylene tows or pure paper material.
Preferably, bag paper is cork paper.
Preferably, metal sintering porous filtering layer average pore size is 0.5-8 μm, and porosity is 30-60%.
Preferably, metal sintering porous filtering layer is powder of stainless steel sintered porous material layer.
Preferably, metal sintering porous filtering layer is monoblock type filter stick.
Preferably, metal sintering porous filtering layer is formed by the once-forming superposition of filter disc, and filter disc is no less than 3.
Preferably, nearly lip end filter tip section and nearly tobacco-end filter Length Ratio are 3-10:1.
Preferably, bag paper is provided with air-vent.
Preferably, metal sintering porous filtering layer is the micro-filtration element that gained prepared by metal powder sintered filtering material.
Preferably, micro-filtration element is monolayer, bilayer or multiple structure.
Preferably, micro-filtration element is metal powder sintered filter element or metal powder sintered filter plate, and filtering accuracy is 0.5 μ
M-70 μm, porosity is 20-60%, and permeability is 3-1300m3/m2H MPa, comprcssive strength is 3MPa, and temperature tolerance is 500 DEG C,
The a diameter of 20mm-200mm of metal powder sintered filter element, a length of 50-1200mm, thickness is 2mm-10mm, metal powder sintered
The a diameter of 5mm-300mm of filter plate, thickness is 0.5mm-10mm.
The preparation method of a kind of metal powder sintered filtering material, with metallic particles as raw material, passes through molding after pretreatment
Technology one-shot forming, forms metal powder sintered filtering material after sintering.
Preferably, metallic particles is spherical metal dust or erose metallic fiber.
Preferably, the preprocessing process of metal dust includes that annealing, grading, nodularization and ball select, then by additive with
Metal dust is sufficiently mixed.
Preferably, one or more during additive includes pore creating material, lubricant, plasticizer, foaming agent, firming agent.
Preferably, protection liquid is glycerine water solution, and concentration is 30-70%.
Preferably, the pretreatment mode of metallic fiber is for being placed in metallic fiber in protection liquid, and dispersed rear standing is sunk
Long-pending, the metal fiber felt being evenly distributed.
Preferably, forming technique is 3D printing technique.
Preferably, the one during metallic particles is rustless steel, titanium alloy and nickel alloy
Preferably, monolayer, bilayer or multiple structure micro-filtration element are by identical metallic particles or different metallic particles
Preparation generates.
The present invention has the advantage that as follows with good effect:
1 compound filter tip for cigarette has indeformable, has non-to non-gaseous poisonous and harmful substances such as nicotine, tar, nitrosamine
The best filter effect, and do not adsorb the useful fragrance component in medicated cigarette, its fusing point is high simultaneously, burning will not produce carcinogen,
Anti-burn, anti-toxic smoke (because filter plug burns production), and there is good cooling effect, make medicated cigarette have refrigerant mouthfeel.
2 spherical metal dusts prepare that the porous filter material fluid resistance of gained is little, even structure, reproducibility are good；No
When the metallic fiber of regular shape is as raw material, it is possible to the higher porous filter material of manufacturing hole porosity, and keep preferable power
Learn performance.
3 by pretreatment have purpose have for selection granule size, particle size distribution, the suitable raw metal of grain shape
To obtain the most desired heterogeneous microstructure and performance, and be conducive to controlling forming and sintering condition, make preparation process the most smart
Really, improve goodness of fit.
4 materials that can be made into monolayer, bilayer or multiple structure, it is also possible to powder is shaped together with wire netting or fiber,
Make fibre reinforced materials, it is possible to improve the combination property of porous material, improve filtering accuracy and effect, expand porous filtering material
The range of material.
5 metal dusts, porous filter material product prepared by fiber, stable performance, matrix does not has what material came off to show
As, under the conditions of different uses, poisonous and harmful substance will not be produced, it is to avoid general chemical filtering material is because of oxidation, ultraviolet
Lines etc. cause material degradation to produce the drawback of harmful substance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is filter segments side view.
In figure:
1, nearly lip end filter tip section 2, nearly tobacco-end filter section 3, bag paper
4, embedded structure
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further described.
As shown in Fig. 1 Fig. 2, the present invention relates to a kind of compound filter tip for cigarette, including nearly lip end filter tip section 1, nearly tobacco shred
End filter tip section 2 and bag paper 3, nearly lip end filter tip section 1 is connected by embedded structure 4 with nearly tobacco-end filter section 2, chimeric
Structure 4 includes groove and the columnar projections of nearly tobacco-end filter section 2 front end of nearly lip end filter tip section 1 end, and column is convex
Rising and mate with groove shapes, nearly lip end filter tip section 1 and nearly tobacco-end filter section 2 are connected, closely by embedded structure 4 plug
Lip end filter tip section 1 and nearly tobacco-end filter section 2 length are than for 3-10:1, and bag paper 3 is wrapped in nearly lip end filter tip section 1
Outside nearly tobacco-end filter section 2, bag paper 3 is cork paper, and length is longer than nearly lip end filter tip section 1 and nearly tobacco shred end filters
The summation of mouth section 2, and bag paper 3 is provided with air-vent, it is also possible to do not have air-vent, nearly lip end filter tip section 1 to be provided with fiber
Filter course, fibrous filter layer is made up of the one in traditional acetate fiber, polypropylene tows or pure paper material, is kept traditional
Lip sense of touch, nearly tobacco-end filter section 2 is provided with filter course, and filter course is metal sintering porous filtering layer, uses metal sintering
Porous filter material make, its fusing point is high, burning will not produce carcinogen, and have good cooling effect, make medicated cigarette have
There is refrigerant mouthfeel；Metal sintering porous filtering layer can be monoblock type filter stick, it is also possible to being made up of multi-disc filter disc superposition, filter disc is not
Less than three, metal sintering porous filtering layer is powder of stainless steel sintered porous material layer, and metal sintering porous filtering layer is average
Aperture is 0.2-8 μm, and porosity is 30-60%, has the non-gaseous poisonous and harmful substances such as nicotine, tar, nitrosamine very
Good filter effect, and do not adsorb the useful fragrance component in medicated cigarette.
Wherein, metal powder sintered filtering material preparation method, with spherical metal dust or erose metal
Fiber is raw material, and raw metal can be one or more in rustless steel, titanium alloy and nickel alloy, by raw metal pretreatment
Afterwards by 3D printing technique one-shot forming, form metal powder sintered filtering material after sintering, thus make micro-filtration original paper, root
Variously-shaped, the multihole device of structure, different grain size, porosity of production can be designed, such as: cover, cap, sheet, pipe, bar-shaped filter according to demand
Core element；And 3D printing technique is convenient and swift, precision is high, can complete complex product good characteristic such as moulding grade, it is possible to meet many
Aspect demand, provides convenience condition for the making of special shape (form) filter element or filter plate.
Use spherical powder as raw material, it is possible to obtain the porous filtering material that fluid resistance is little, even structure, reproducibility are good
Material, the preprocessing process of metal dust includes annealing, grading, the choosing of nodularization and ball, then by additive in proportion with metal powder
End is sufficiently mixed.Additive includes one or more in pore creating material, lubricant, plasticizer, foaming agent, firming agent, can basis
The shape of the micro-filtration original paper of design or occupation mode carry out the collocation of different modes.Such pretreatment can be unified selected
The particle mean size of powder, particle size distribution, grain shape etc., play very for performances such as the aperture of prepared porous material, intensity
Big effect.Predetermined microstructure and performance can be obtained more accurately.
When using irregularly shaped powder or fiber as raw material, it is possible to the higher material of manufacturing hole porosity, and mechanical property
Forming pressure and the sintering temperature that preferably, can manufacture porous material typically can slightly below manufacture densified sintering product material, this be in order to
Obtain the loose structure with ideal structure.The pretreatment mode of metallic fiber, for being placed in by metallic fiber in protection liquid, is protected
Liquid is glycerine water solution, and concentration is 30-70%, stands deposition, the metal being evenly distributed after metallic fiber is dispersed
Fiber felt, then suppresses, sinters metal fiber polyporous material into.
Same, when manufacturing foam metal (material that porosity is bigger), it is by material powder, foaming agent, firming agent etc.
It is uniformly mixed into shape together, solidifies and sinter.Owing to foaming in heating process, so preferable microstructure and property can be obtained.
The porosity of foam metal may be up to more than 90%.Varigrained powder can be selected to make bilayer or the multilamellar of different pore size
The material of structure, it is also possible to powder is shaped together with wire netting or fiber, makes fibre reinforced materials, it is possible to improve porous material
The combination property of material.It addition, forming technique is in addition to 3D printing technique, it is also possible to according to the shape of required goods, size, knot
The factor such as structure, purposes uses other molding sintering technique, such as, if simple special-shaped products, then can select loose sintering
Technique forms；For plate that thickness is 0.1-3mm, carry, manage, powder rolling process can be used；For special-shaped long goods,
Powder extrusion process can be used；Goods big for abnormity, can use isostatic pressing technique；For Complex Different Shape goods, can
To use slurry pouring technology etc..
The metal powder sintered filtering material prepared can be used for being processed to form the micro-filtration unit of monolayer, bilayer or multiple structure
Each Rotating fields in part, and same micro-filtration element can be prepared by metallic particles of the same race or the most of the same race, through measuring metal
Powder sintered filtering material filtering accuracy is 0.5 μm-70 μm, and porosity is 20-50%, and permeability is 3-1300m3/m2H MPa,
Comprcssive strength is 3MPa, and temperature tolerance is 500 DEG C, and maximum operating pressure differential is 0.6MPa.By pretreatment have purpose have for choosing
Select granule size, particle size distribution, the suitable raw metal of grain shape to obtain the most desired heterogeneous microstructure and performance,
And be conducive to controlling forming and sintering condition, make preparation process the most accurate, improve goodness of fit.
Micro-filtration element can be metal powder sintered filter element or metal powder sintered filter plate, wherein, metal powder sintered
Filter element can be made into a diameter of 20mm-200mm, a length of 50-1200mm, and thickness is 2mm-10mm, and metal powder sintered filter plate can
Making a diameter of 5mm-300mm, thickness is 0.5mm-10mm.The metal powder sintered filter element prepared or metal powder sintered filter plate
It is capable of withstanding high temperature, normal use below 500 DEG C；Filtering accuracy is high, and hole is stable, can effectively remove oil removal and microgranule etc.,
Filtering accuracy is excellent, good purification；Metal powder sintered filter element or metal powder sintered filter plate good permeability, pressure loss
Little, porosity is high, uniform pore diameter, and initial resistance is little, it is easy to blowback, can on-line regeneration, easy cleaning, regeneration capacity is strong, uses the longevity
Life is long, it is possible to economize on resources to a certain extent；Metal powder sintered filter plate mechanical strength is high, and good rigidly, plasticity is good, need not be outward
Adding skeletal support protection, install and use simple, easy to maintenance, assembleability is good, can carry out welding, bonding and machining；Warp
Filter element or the filter plate hole of crossing pretreatment rear support are uniform, are particularly well-suited to the uniformity requirement such as fluid distrbution, Homogenization Treatments
Higher occasion, filtering accuracy can reach 1-50 μm；The metal powder sintered filter element or metal powder sintered prepared made
Filter plate, without particles from getting loose, does not make stock solution form secondary pollution, and is capable of withstanding corrosion, can be at nitric acid, sulphuric acid, acetic acid, oxalic acid, phosphorus
Acid, 5% hydrochloric acid, molten sodium, liquid hydrogen, liquid nitrogen, hydrogen sulfide, acetylene, steam, hydrogen, stable under the environment such as carbon dioxide
Using, range is extensive；Using advanced Technology, detection means is complete, and overall welding length is up to 1200 millimeters.
Powder metal article is once-forming, it is not necessary to cutting, and raw material effective rate of utilization is high, farthest saves material, is especially suitable for
Relatively big in batch, baroque element, constant product quality, have a extensive future.
Micro-filtration element, in use it should be noted that, metal powder sintered filter element belongs to consumable goods, is cleaning and disassembly process
In it should be noted that the phenomenon such as do not scratch and touch, pounding, falling, prevent from artificially damaging；Generally filtrate is filtered inwards by outside filter element, keeps away as far as possible
Exempt from reverse filtration；During filtration, slowly it is forced into the operating pressure of needs, forbids moment to open the foot rapid supercharging of valve；Maximum functional
Pressure not can exceed that 3MPa, when filter efficiency is less than 50%, and can timely pure air or cleaning liquid online blowback backwash；Gold
Belonging to powder sintered filter element when carrying out blowback and backwash, the most first using clean gas blowback, blowback pressure is operating pressure
1.2-1.5 times, each blowback time 3-5s, carry out backwash with cleaning liquid after repeatable operation 4-6 time, backwash 3-5min, 2-3 operate
Secondary.
Metal powder sintered filter element, according to pollution condition and the chemical property of pollutant the materialization combining metal, can divide
Physical method and chemical method Cai Yong not carry out regeneration washing.Physical method mainly uses: cleaning liquid recoil, clean gas blowback
And ultrasonic method cleaning.Chemical method mainly uses: the abluents such as diluted acid, diluted alkaline, oxidant, surfactant, enzyme.The most each
The method of kind is also used interchangeably.According to several frequently seen applicable cases, cleaning method is as follows:
1, pharmacy and the decarbonization filtering of chemical field, through frequently with blowback, back-flushing method and combine ultrasonic cleaning effect
Fruit is optimal.
2, controlling the water circulation industry, mostly is water-insoluble salt and oxide because of what cartridge surface retained, the nitric acid of general employing 5%
Soak, be not required to ultrasonic cleaning, just can reach cleaning performance.
3, stock solution filters, and the chemical property of pollutant to be combined is respectively adopted following methods and is carried out:
(1) alkali cleaning: sodium hydroxid analytical pure solution soaking 30-60min of use 3-5%, about 40 DEG C, in ultrasonic waves for cleaning
In machine most preferably.With the inside and outside punching of filtration deionized water or water for injection to neutral after immersion, survey conductivity.With pure air >=
0.4MPa pressure dries up.
(2) pickling: with 5% salpeter solution soak more than 8h, about 40 DEG C.In ultrasonic washing unit most preferably.Soak
The most neutral with filtering flushing inside and outside deionized water or water for injection afterwards, side conductivity.Dry up with pure air >=0.4MPa pressure.
(3) Organic Pollution can clean by mating surface activating agent, and cellular debris system desmoenzyme cleaning performance is more managed
Think (food and drink can use High Content Citric Acid to clean).
(4) above several method can be used alone, it is also possible to cooperates and is used alternatingly.As having ready conditions, in conjunction with ultrasonic
Ripple cleaning machine best results.
Note: often online blowback will wash that (the pure compressed air of on-line cleaning or filter raw liquid or clean water are anti-
Punching), the number of times cleaned by above method can be reduced.
Embodiment 1:
As shown in Fig. 1 Fig. 2, the present invention relates to a kind of compound filter tip for cigarette, including nearly lip end filter tip section, nearly tobacco shred end
Filter tip section and bag paper, nearly lip end filter tip section is connected by embedded structure with nearly tobacco-end filter section, embedded structure bag
Include groove and the columnar projections of nearly tobacco-end filter section front end, columnar projections and the groove type of nearly lip end filter tip section end
Shape mates, and nearly lip end filter tip section and nearly tobacco-end filter Length Ratio are 3:1, and bag paper bag is rolled in nearly lip end filter plug
Outside section and nearly tobacco-end filter section, bag paper is cork paper, and bag paper is provided with air-vent, and nearly lip end filter tip section sets
Having fibrous filter layer, fibrous filter layer to be made up of acetate fiber, nearly tobacco-end filter section is provided with metal sintering porous filtering layer,
Metal sintering porous filtering layer is monoblock type filter stick, and metal sintering porous filtering layer is powder of stainless steel sintered porous material layer,
Metal sintering porous filtering layer average pore size is 0.5 μm, and porosity is 20%.
Wherein, powder of stainless steel sintered porous material layer is monolayer micro-filtration element, with spherical stainless steel metal powder
For raw material, by molding one-shot forming after pretreatment, after sintering, form metal powder sintered filtering material.Spherical rustless steel gold
Belong to that powder is annealed, grading, nodularization are selected with ball, then by pore creating material (NH4)2CO3With process after spherical rustless steel gold
Belong to powder to be sufficiently mixed, the powder sintered filter element of stainless steel metal prepared through oversintering after one-shot forming, metal powder sintered filter
Core diameter is 20mm, a length of 50mm, and thickness is 2mm, and filter element is single layer structure, and filtering accuracy is 0.5 μm, and porosity is
20%, permeability is 3m3/m2H MPa, comprcssive strength is 3MPa, and temperature tolerance is 500 DEG C.
Embodiment 2:
As shown in Fig. 1 Fig. 2, the present invention relates to a kind of compound filter tip for cigarette, including nearly lip end filter tip section, nearly tobacco shred end
Filter tip section and bag paper, nearly lip end filter tip section is connected by embedded structure with nearly tobacco-end filter section, embedded structure bag
Include groove and the columnar projections of nearly tobacco-end filter section front end, columnar projections and the groove type of nearly lip end filter tip section end
Shape mates, and nearly lip end filter tip section and nearly tobacco-end filter Length Ratio are 5:1, and bag paper bag is rolled in nearly lip end filter plug
Outside section and nearly tobacco-end filter section, bag paper is cork paper, and nearly lip end filter tip section is provided with fibrous filter layer, fiber filter
Layer is made up of polypropylene tows, and nearly tobacco-end filter section is provided with metal sintering porous filtering layer, metal sintering porous filtering layer
Being made up of filter disc superposition, filter disc is no less than two panels, and metal sintering porous filtering layer is titanium alloy powder sintered porous material layer, gold
Belonging to sintered porous filter course average pore size is 3 μm, and porosity is 50%.
Wherein, titanium alloy powder sintered porous material layer is multilamellar micro-filtration element, with erose titanium alloy gold
Genus fiber is raw material, is placed in by feed metal fiber in protection liquid, and protection liquid is glycerine water solution, and concentration is 30% dispersed
The rear deposition that stands, the metal fiber felt being evenly distributed, by 3D printing technique one-shot forming after pretreatment, formed after sintering
Titanium alloy metal powder sintered filter element, a diameter of 200mm of metal powder sintered filter element, a length of 1200mm, thickness is 10mm, will
4 layers of titanium alloy metal powder sintered filter element superposition molding are set to four-layer structure, and the filter element filtering precision obtained is 3 μm, hole
Rate is 50%, and permeability is 1300m3/m2H MPa, comprcssive strength is 3MPa, and temperature tolerance is 500 DEG C.
Embodiment 3:
As it is shown in figure 1, the present invention relates to a kind of compound filter tip for cigarette, including nearly lip end filter tip section, nearly tobacco shred end mistake
Filter segment and bag paper, nearly lip end filter tip section is connected by embedded structure with nearly tobacco-end filter section, and embedded structure includes
The groove of nearly lip end filter tip section end and the columnar projections of nearly tobacco-end filter section front end, columnar projections and groove shapes
Coupling, nearly lip end filter tip section and nearly tobacco-end filter Length Ratio are 10:1, and bag paper bag is rolled in nearly lip end filter plug
Outside section and nearly tobacco-end filter section, bag paper is cork paper, and nearly lip end filter tip section is provided with fibrous filter layer, fiber filter
Layer be made up of pure paper material, nearly tobacco-end filter section is provided with metal sintering porous filtering layer, metal sintering porous filtering layer by
Filter disc superposition is made, and considers sheet and is no less than two panels, and metal sintering porous filtering layer is the powder sintered porous material of Inconel718C
Layer, metal sintering porous filtering layer average pore size is 8 μm, and porosity is 60%.
Wherein, the powder sintered porous material layer of Inconel718C is double-deck micro-filtration element, with spherical
Inconel718C metal dust is raw material, by 3D printing technique one-shot forming after pretreatment, forms metal dust and burn after sintering
Knot filtering material.Spherical Inconel718C metal dust is annealed, grading, nodularization and ball select, then by plasticizer,
As amide waxe with process after spherical Inconel718C metal dust be sufficiently mixed, after one-shot forming sintering after formed
Inconel718C metal powder sintered filter element, a diameter of 100mm of metal powder sintered filter element, a length of 800mm, thickness is
6mm, becomes double-decker by the metal powder sintered filter element superposition molding of two-layer Inconel718C, the filter element filtering precision obtained
Being 8 μm, porosity is 60%, and permeability is 600m3/m2H MPa, comprcssive strength is 3MPa, and temperature tolerance is 500 DEG C.
Embodiment 4:
A kind of metal powder sintered filtering material preparation method, with erose stainless steel metal fibre as raw material,
Feed metal fiber is placed in protection liquid in, protection liquid is glycerine water solution, and concentration is 70%, dispersed after stand deposition,
The metal fiber felt being evenly distributed, by compression molding after pretreatment, forms the powder sintered filter of stainless steel metal after sintering
Plate, a diameter of 300mm of metal powder sintered filter plate, thickness is 10mm, by powder sintered for multilamellar stainless steel metal filter plate superposition shape
Becoming multiple structure, the filter plates precision obtained is 0.5 μm, and porosity is 20%, and permeability is 400m3/m2H MPa, pressure resistance
Degree is 3MPa, and temperature tolerance is 500 DEG C.
It is high that the filter plate prepared can be used for manufacturing haze-proof mask, the filtering accuracy of filter plate and porosity, it is possible to the most anti-haze
While allow user feel comfortably cool, the renewable recycling of filter element of replacing, efficent use of resources.
Embodiment 5:
A kind of metal powder sintered filtering material preparation method, with spherical titanium alloy metal dust as raw material, pretreatment
Afterwards by 3D printing technique one-shot forming, after sintering, form metal powder sintered filtering material.Spherical titanium alloy metal dust
Annealed, grading, nodularization are selected with ball, then by lubricant, as zinc stearate with process after spherical titanium alloy
Metal dust is sufficiently mixed, and forms titanium alloy metal powder sintered filter plate, metal powder after forming sintering after one-shot forming after sintering
The end sintering a diameter of 5mm of filter plate, thickness is 0.5mm, and filter element is single layer structure, and filtering accuracy is 70 μm, and porosity is 60%, oozes
Property is 1000m thoroughly3/m2H MPa, comprcssive strength is 3MPa, and temperature tolerance is 500 DEG C.
The filter plate prepared can be used for the filtration to fluid product.
Embodiment 6:
A kind of metal powder sintered filtering material preparation method, with erose Inconel713C metallic fiber be
Raw material, is placed in feed metal fiber in protection liquid, and protection liquid is glycerine water solution, and concentration is 50%, dispersed rear standing
Deposition, the metal fiber felt being evenly distributed, by 3D printing technique one-shot forming after pretreatment, formed after sintering
The metal powder sintered filter plate of Inconel713C.
With spherical stainless steel metal powder as raw material, by 3D printing technique one-shot forming after pretreatment, shape after sintering
Become metal powder sintered filtering material.Spherical stainless steel metal powder is annealed, grading, nodularization and ball select, then will
Lubricant, as zinc stearate with process after spherical stainless steel metal powder be sufficiently mixed, after one-shot forming sinter shape
Become the powder sintered filter plate of stainless steel metal.
By compressing for two-layer filter plate superposition, formation double-decker composite metal powder sintering filter plate, a diameter of 180mm,
Thickness is 6mm, and filter plate is double-decker, and filtering accuracy is 30 μm, and porosity is 35%, and permeability is 850m3/m2H MPa, anti-
Compressive Strength is 3MPa, and temperature tolerance is 500 DEG C.
The filter element prepared can be used for automotive air filter, such as the defecator in automobile air-conditioning filter can effectively go
Except fine particle in air, air in purifying vehicle.
Above several embodiments of the present invention are described in detail, but described content has been only the preferable enforcement of the present invention
Example, it is impossible to be considered the practical range for limiting the present invention.All impartial changes made according to the present patent application scope and improvement
Deng, within all should still belonging to the patent covering scope of the present invention.
Claims (10)
1. a compound filter tip for cigarette, it is characterised in that: include nearly lip end filter tip section, nearly tobacco-end filter section and bag
Paper, described nearly lip end filter tip section is connected by embedded structure with described nearly tobacco-end filter section, described embedded structure bag
Include groove and the columnar projections of described nearly tobacco-end filter section front end, the described column of described nearly lip end filter tip section end
Protruding and described groove shapes is mated, and described bag paper bag is rolled in described nearly lip end filter tip section and described nearly tobacco-end filter
Outside Duan, described nearly lip end filter tip section is provided with fibrous filter layer, and it is many that described nearly tobacco-end filter section is provided with metal sintering
Hole filter course.
A kind of compound filter tip for cigarette the most according to claim 1, it is characterised in that: described metal sintering porous filtering layer is
The micro-filtration element of gained prepared by metal powder sintered filtering material.
A kind of compound filter tip for cigarette the most according to claim 2, it is characterised in that: described micro-filtration element is monolayer, double
Layer or multiple structure.
A kind of compound filter tip for cigarette the most according to claim 2, it is characterised in that: described micro-filtration element is metal dust
Sintered filter core or metal powder sintered filter plate, filtering accuracy is 0.5 μm-70 μm, and porosity is 20-60%, and permeability is 3-
1300m3/m2H MPa, comprcssive strength is 3MPa, and temperature tolerance is 500 DEG C, a diameter of 20mm-of described metal powder sintered filter element
200mm, a length of 50-1200mm, thickness is 2mm-10mm, the described a diameter of 5mm-300mm of metal powder sintered filter plate, thickness
For 0.5mm-10mm.
5. prepare the metal powder sintered filter material of arbitrary described a kind of compound filter tip for cigarette in claim 2-4 for one kind
The preparation method of material, it is characterised in that: with metallic particles as raw material, by forming technique one-shot forming after pretreatment, after sintering
Form metal powder sintered filtering material.
The preparation method of metal powder sintered filtering material the most according to claim 5, it is characterised in that: described metal
Grain is spherical metal dust or erose metallic fiber.
The preparation method of metal powder sintered filtering material the most according to claim 6, it is characterised in that: described metal powder
The preprocessing process at end includes that annealing, grading, nodularization are selected with ball, then be sufficiently mixed with described metal dust by additive.
The preparation method of metal powder sintered filtering material the most according to claim 6, it is characterised in that: described metal is fine
The pretreatment mode of dimension for described metallic fiber being placed in protection liquid, dispersed after stand deposition, be evenly distributed
Metal fiber felt.
The preparation method of metal powder sintered filtering material the most according to claim 5, it is characterised in that: described molding skill
Art is 3D printing technique.
The preparation method of metal powder sintered filtering material the most according to claim 5, it is characterised in that: described metal
Granule is the one in rustless steel, titanium alloy and nickel alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610645655.3A CN106036999A (en) | 2016-08-08 | 2016-08-08 | Compound cigarette filter tip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610645655.3A CN106036999A (en) | 2016-08-08 | 2016-08-08 | Compound cigarette filter tip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106036999A true CN106036999A (en) | 2016-10-26 |
Family
ID=57480207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610645655.3A Pending CN106036999A (en) | 2016-08-08 | 2016-08-08 | Compound cigarette filter tip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106036999A (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106723324A (en) * | 2016-12-30 | 2017-05-31 | 广东中烟工业有限责任公司 | A kind of preparation method and applications of cigarette of lowering the temperature |
| CN108065456A (en) * | 2017-12-22 | 2018-05-25 | 安徽中烟工业有限责任公司 | A kind of heating comprising tobacco particle is not burnt tobacco product and preparation method |
| CN108703415A (en) * | 2018-05-03 | 2018-10-26 | 韩力 | A kind of ventilative smoking product with microexplosion micro-capsule |
| CN109645572A (en) * | 2019-01-14 | 2019-04-19 | 山东精彩香料科技开发有限公司 | A kind of filter element and the electronic smoking set using the filter element |
| CN109832675A (en) * | 2019-03-11 | 2019-06-04 | 广东精彩国际生物科技有限公司 | A kind of electronic smoking set |
| CN110302663A (en) * | 2018-11-13 | 2019-10-08 | 成都易态科技有限公司 | The manufacturing method of filter structure and filter structure |
| CN110506989A (en) * | 2018-05-21 | 2019-11-29 | 湖南中烟工业有限责任公司 | A kind of cooling filter stick, application and cigarette |
| CN111184255A (en) * | 2020-01-23 | 2020-05-22 | 盐城工业职业技术学院 | Composite filter tip material |
| CN111358048A (en) * | 2018-12-25 | 2020-07-03 | 贵州中烟工业有限责任公司 | Cigarette filter stick |
| KR20210011423A (en) * | 2018-05-21 | 2021-02-01 | 차이나 토바코 후난 인더스트리얼 코포레이션 리미티드 | Cooling filter rod, application and cigarette |
| CN112569695A (en) * | 2020-11-10 | 2021-03-30 | 格锐德过滤科技(浙江)有限公司 | Preparation method of metal powder and metal sintered mesh composite filter element |
| CN112569696A (en) * | 2020-11-10 | 2021-03-30 | 格锐德过滤科技(浙江)有限公司 | Continuous production method of filter material for dedusting and purifying high-temperature flue gas |
| CN110381756B (en) * | 2017-03-06 | 2022-02-08 | 日本烟草产业株式会社 | Smoking article with filter |
| CN114903204A (en) * | 2022-04-12 | 2022-08-16 | 昆明理工大学 | Spiral porous filtering device based on electronic cigarette and preparation process thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0057848A1 (en) * | 1981-01-29 | 1982-08-18 | Nippon Seisen Co., Ltd. | Metallic sintered body and process for preparing the same |
| CN1074390A (en) * | 1992-01-18 | 1993-07-21 | 仇叔掟 | Geometrical object sintered with Chinese medicine stone and manufacture method thereof |
| CN1615089A (en) * | 2001-12-11 | 2005-05-11 | 菲利普莫里斯生产公司 | Filter, smoking articles containing the same, filter strands and methods and devices for producing filters and smoking articles of this type |
| CN104353835A (en) * | 2014-11-15 | 2015-02-18 | 安徽省新方尊铸造科技有限公司 | Part manufacturing method combining 3D (three-dimensional) printing with powder metallurgy |
| CN104387105A (en) * | 2014-10-21 | 2015-03-04 | 中国科学院上海硅酸盐研究所 | Method for preparing porous alumina ceramic material through combination of 3D printing and reactive sintering |
| CN204599318U (en) * | 2015-04-17 | 2015-09-02 | 成都易态科技有限公司 | Cigarette filter |
| CN105795516A (en) * | 2016-05-17 | 2016-07-27 | 云南中烟工业有限责任公司 | Replaceable concave-convex matching type filter tip rod |
-
2016
- 2016-08-08 CN CN201610645655.3A patent/CN106036999A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0057848A1 (en) * | 1981-01-29 | 1982-08-18 | Nippon Seisen Co., Ltd. | Metallic sintered body and process for preparing the same |
| CN1074390A (en) * | 1992-01-18 | 1993-07-21 | 仇叔掟 | Geometrical object sintered with Chinese medicine stone and manufacture method thereof |
| CN1615089A (en) * | 2001-12-11 | 2005-05-11 | 菲利普莫里斯生产公司 | Filter, smoking articles containing the same, filter strands and methods and devices for producing filters and smoking articles of this type |
| CN104387105A (en) * | 2014-10-21 | 2015-03-04 | 中国科学院上海硅酸盐研究所 | Method for preparing porous alumina ceramic material through combination of 3D printing and reactive sintering |
| CN104353835A (en) * | 2014-11-15 | 2015-02-18 | 安徽省新方尊铸造科技有限公司 | Part manufacturing method combining 3D (three-dimensional) printing with powder metallurgy |
| CN204599318U (en) * | 2015-04-17 | 2015-09-02 | 成都易态科技有限公司 | Cigarette filter |
| CN105795516A (en) * | 2016-05-17 | 2016-07-27 | 云南中烟工业有限责任公司 | Replaceable concave-convex matching type filter tip rod |
Non-Patent Citations (2)
| Title |
|---|
| ***: "《材料成型工艺基础 第3版》", 29 February 2016, 西安电子科技大学出版社 * |
| 谢刚等: "《冶金新材料》", 30 June 1997, 云南科技出版社 * |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106723324A (en) * | 2016-12-30 | 2017-05-31 | 广东中烟工业有限责任公司 | A kind of preparation method and applications of cigarette of lowering the temperature |
| CN110381756B (en) * | 2017-03-06 | 2022-02-08 | 日本烟草产业株式会社 | Smoking article with filter |
| CN108065456B (en) * | 2017-12-22 | 2020-07-24 | 安徽中烟工业有限责任公司 | Tobacco particle-containing heating non-combustion tobacco product and preparation method thereof |
| CN108065456A (en) * | 2017-12-22 | 2018-05-25 | 安徽中烟工业有限责任公司 | A kind of heating comprising tobacco particle is not burnt tobacco product and preparation method |
| CN108703415A (en) * | 2018-05-03 | 2018-10-26 | 韩力 | A kind of ventilative smoking product with microexplosion micro-capsule |
| EP3797606A4 (en) * | 2018-05-21 | 2022-03-09 | China Tobacco Hunan Industrial Co., Ltd. | Cooling filter rod, application and cigarette |
| CN110506989A (en) * | 2018-05-21 | 2019-11-29 | 湖南中烟工业有限责任公司 | A kind of cooling filter stick, application and cigarette |
| KR20210011423A (en) * | 2018-05-21 | 2021-02-01 | 차이나 토바코 후난 인더스트리얼 코포레이션 리미티드 | Cooling filter rod, application and cigarette |
| KR102652799B1 (en) | 2018-05-21 | 2024-03-28 | 차이나 토바코 후난 인더스트리얼 코포레이션 리미티드 | Cooling filter rod, application and cigarette |
| JP7089066B2 (en) | 2018-05-21 | 2022-06-21 | チャイナ タバコ フーナン インダストリアル カンパニー リミテッド | Temperature lowering filter rod, its use, and cigarette |
| JP2021523716A (en) * | 2018-05-21 | 2021-09-09 | チャイナ タバコ フーナン インダストリアル カンパニー リミテッド | Temperature lowering filter rod, its use, and cigarette |
| CN110302663B (en) * | 2018-11-13 | 2024-05-14 | 成都易态科技有限公司 | Filter structure and method for manufacturing filter structure |
| CN110302663A (en) * | 2018-11-13 | 2019-10-08 | 成都易态科技有限公司 | The manufacturing method of filter structure and filter structure |
| CN111358048A (en) * | 2018-12-25 | 2020-07-03 | 贵州中烟工业有限责任公司 | Cigarette filter stick |
| CN109645572A (en) * | 2019-01-14 | 2019-04-19 | 山东精彩香料科技开发有限公司 | A kind of filter element and the electronic smoking set using the filter element |
| CN109645572B (en) * | 2019-01-14 | 2024-05-14 | 广东精彩国际生物科技有限公司 | Filtering component and electronic smoking set using same |
| CN109832675A (en) * | 2019-03-11 | 2019-06-04 | 广东精彩国际生物科技有限公司 | A kind of electronic smoking set |
| CN111184255A (en) * | 2020-01-23 | 2020-05-22 | 盐城工业职业技术学院 | Composite filter tip material |
| CN112569696A (en) * | 2020-11-10 | 2021-03-30 | 格锐德过滤科技(浙江)有限公司 | Continuous production method of filter material for dedusting and purifying high-temperature flue gas |
| CN112569695A (en) * | 2020-11-10 | 2021-03-30 | 格锐德过滤科技(浙江)有限公司 | Preparation method of metal powder and metal sintered mesh composite filter element |
| CN114903204A (en) * | 2022-04-12 | 2022-08-16 | 昆明理工大学 | Spiral porous filtering device based on electronic cigarette and preparation process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106036999A (en) | Compound cigarette filter tip | |
| CN105555738A (en) | Cordierite ceramic honeycomb structure and production method therefor | |
| CN101890500A (en) | Method for preparing double-layer sintering metal powder filter element | |
| JP2012061390A (en) | Filter for purification | |
| CN101317695B (en) | Adsorption material for cigarette filter-tip and preparation method thereof | |
| EP0818230A1 (en) | Fibre filter and process for producing it | |
| CN101822422A (en) | Application of tobacco stalk granules in non-woven filter cloth and paper filter element/filter tip | |
| CN201632114U (en) | Carbon fiber composite filter core | |
| JP2019084469A (en) | Water purification filter body | |
| CN111375419B (en) | Hydrogenation catalyst and preparation method thereof | |
| JP6243180B2 (en) | Activated carbon molded body and method for producing activated carbon molded body | |
| CN112473683B (en) | Powder sintering filtering catalytic material based on gradient pore structure and preparation method thereof | |
| CN104720106A (en) | Application of harm-reduction function material in preparing cigarette function filter tip | |
| US10464820B2 (en) | Fluid purification media and cartridge | |
| CN101219232A (en) | Production method for multifunctional honeycomb net for removing ozone | |
| CN106861358A (en) | AN-VDC copolymer fibers removal indoor formaldehyde method containing activated carbon | |
| CN201008773Y (en) | Male thread groove type melt-blown polymer material filter element | |
| CN205549853U (en) | Active carbon air purifier | |
| CN110026164A (en) | A kind of preparation method of porous fibre composite dephosphorization adsorbent | |
| CN206953160U (en) | A kind of U-shaped dandy roll applied to filtering material | |
| CN204911044U (en) | Compound aldehyde filter that removes | |
| CN211752748U (en) | Three-dimensional filter media of 3D triangle | |
| KR20050079205A (en) | Manufacture of gac composite non-woven filter with three dimensional structure | |
| KR101120491B1 (en) | Cabin filter for car | |
| CN118079544A (en) | Preparation method and application of metal film filter device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161026 |