CN1986084A - Screening of tobacco material - Google Patents
Screening of tobacco material Download PDFInfo
- Publication number
- CN1986084A CN1986084A CNA2006101701574A CN200610170157A CN1986084A CN 1986084 A CN1986084 A CN 1986084A CN A2006101701574 A CNA2006101701574 A CN A2006101701574A CN 200610170157 A CN200610170157 A CN 200610170157A CN 1986084 A CN1986084 A CN 1986084A
- Authority
- CN
- China
- Prior art keywords
- screening
- nozzle
- chamber
- screening plant
- plant
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B4/00—Separating by pneumatic tables or by pneumatic jigs
- B03B4/02—Separating by pneumatic tables or by pneumatic jigs using swinging or shaking tables
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
- A24C5/39—Tobacco feeding devices
- A24C5/396—Tobacco feeding devices with separating means, e.g. winnowing, removing impurities
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B4/00—Separating by pneumatic tables or by pneumatic jigs
- B03B4/06—Separating by pneumatic tables or by pneumatic jigs using fixed and inclined tables ; using stationary pneumatic tables, e.g. fluidised beds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
- B07B4/08—Separating solids from solids by subjecting their mixture to gas currents while the mixtures are supported by sieves, screens, or like mechanical elements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention relates to a screening device (20) for separating heavy and light particles (12, 13) from tobacco material (11) in the screening cavity (18), which includes at least one screening spray nozzle (1) for generating screening stream (14, 15). The invention also relates to a method for separating heavy and light particles (12, 13) from tobacco material (11) in the screening cavity (18), in which the screening cavity (18) delimitates to the bottom, the tobacco material (11) is put in the screening cavity (18) and keeps the light particle (12) on the top of the screening cavity (18) with the help of the screening stream (15) directing to top and keeps the heavy particle (13) in the bottom area (19) or arrives there. The screening device according to the invention is characterized in that the screening nozzle (1) includes a body (1') provided in the screening cavity. The method according to the invention is characterized in that the screening stream (15) is formed by the reflection of the air stream (14) directing to the bottom (19) .
Description
Technical field
Invention relates to a kind of screening plant light and heavy particle that separates from tobacco-containing material in a screening chamber, it has at least one screening nozzle and is used for producing screening stream.Invention also relates to a kind of method of separating heavy and light particle from tobacco-containing material in a screening chamber of being used for, wherein sieve the chamber and have a bottom, wherein tobacco-containing material is encased in the screening chamber in and by means of the screening stream above the sensing make light particle remain on the screening chamber top, wherein Chong particle rest on bottom or get there.
Background technology
The screening plant that belongs to this type of is for example by EP 0 361 815 E1 cicada just.Described there being used for includes the device that is used to make material scrollwork or fluidization and motion from the heavy device with light particle of tobacco-containing material separation, so that causing the heavy particle that makes in the acceptable material descends, also include a bearing-surface, its design is used for receiving material on a receiving terminal, and comprise and be used to make the vibrative device of bearing-surface, so that material is moved towards outlet side in a longitudinal direction, wherein bearing-surface has a bending and permeable surface, it is arranged in many grooves that are arranged in longitudinal direction, and these grooves are by spike or top separating.The airflow apparatus that is used for producing updraft in groove is also disclosed.At least a portion wallboard of each groove has been beaten the hole in addition.The layout of perforation, the shape of groove and airflow apparatus should be able to be used for causing make scroll up or the speed of fluidised air-flow from trench bottom to the dogleg section spike or toply strengthen gradually, wherein in groove, be provided with opening, can get rid of heavy particle by these openings.That is to say to disclose a kind of fluidised or backset bed screening plant, form a backset bed or fluidised form layer on the top of groove in this device, opposite heavier part then sinks on the bottom of device and can flow out in bottom opening.
Summary of the invention
Task of the present invention provides a kind of alternative screening plant and a kind of alternative methods and is used for separating heavy and light particle from tobacco-containing material.
This task is used for isolating heavy screening plant with light tobacco from tobacco-containing material in a screening chamber and solves by a kind of, wherein screening plant comprises that at least one is used to produce the screening nozzle of screening stream, and wherein nozzle includes a body that is arranged in the screening chamber.
Just can set the air-flow that this is applied to sieve very quickly and efficiently owing in the screening chamber, be provided with screening nozzle body.The required air capacity that is used to produce backset bed also just can reduce.Especially all nozzle bodies that sieve nozzle all are arranged in the screening chamber.The body notion has also comprised pressing body within the scope of the present invention.
Preferably a kind of backset bed screening plant of screening plant.Especially can produce fluidised air-flow on a kind of point to by this screening plant, this air-flow is especially preponderated on the top of nozzle body.
If the opening of screening nozzle is towards the screening plant bottom, this screening plant is efficient especially so.This especially means: the nozzle mouth is downward, that is to say towards the bottom of screening plant to arrange.Nozzle mouth preferred arrangements is in the bottom, in other words in the position that connects most the bottom.Opening or screening nozzle design especially like this, make air-flow bump against the bottom from nozzle and go up or point to the bottom.The bottom is an oscillating conveyor preferably.The air beam that is flowed out by the nozzle opening preferably flows out basically vertically downward.Outflow direction under also can stipulating to be tilted to.Air-flow also can flow out in the screening nozzle in addition, expands and preferably expands in other words in one＜90 ° angular range, and is especially preferred＜20 °.
If the screening plant bottom is provided with at least one groove, so Chong part or heavy part or heavy particle just can transport especially well.Corresponding each screening nozzle or nozzle body preferably all are provided with a groove.If the screening nozzle is a kind of slit nozzle, it stretches from the material input part at least in part and is arranged into the material efferent, and that just can separate weight and light part especially efficiently.The nozzle seam preferably extends on the whole screening nozzle length basically.
If the material input part of design is arranged on the screening nozzle body or its upper area, the good especially separation that just can realize light part especially also can form eddy current especially well.Decision design material efferent is arranged in the upper area of nozzle body.This material efferent then is used to export light or light particle.Heavy particle is preferably by one or more holes, and especially export in the hole of bottom, and these holes especially are arranged under the material efferent that is used for light grains.
The cross-sectional design perpendicular to the transporting direction of the material that sieved of nozzle body becomes downwards and upwards diminishes gradually.Can produce effective air-flow on the one hand by this preferred form of implementation, produce a backset bed position on the other hand, it is constrained to less relatively for extends perpendicular.
Two screening nozzles at least preferably are set.If screening nozzle to the distance of bottom is adjustable, the screening plant tobacco that can be adapted to other kind very effectively is adapted to other condition of tobacco-containing material in other words so.
This task also solves from the heavy method with light particle of tobacco-containing material separation in the screening chamber by a kind of being used for, wherein sieving the chamber demarcates with the bottom, wherein tobacco-containing material is packed into to sieve in the chamber and and light particle is remained on the top of sieving the chamber by means of a screening stream above pointing to, wherein heavy particle rests on the bottom or gets there, and wherein reflects to form screening stream by the air-flow that points to the bottom.Can realize a kind of method by this measure, it can be carried out for a long time, has the hole that is used for effluent stream or the bottom of punching for common screening plant and needn't clean.By just be difficult to make the contaminated or obstruction of screening nozzle according to method of the present invention.
The preferred design like this of air-flow makes the backset bed that forms a light grains on the top in screening chamber.The formation of backset bed depends on the flow velocity and the air capacity of air-flow herein, especially also depends on the geometry screening chamber or that be located at the nozzle body in the screening chamber.
The upper area of screening in the chamber of preferably tobacco-containing material being packed into.Preferably make the bottom vibration.With regard to the preferably a kind of oscillating conveyor in bottom.So-called vibration also is meant a kind of vibration within the scope of the present invention.Preferably make screening plant in other words screening plant the main member that is designed for screening and transportation tobacco-containing material from tobacco inlet or from the material input part to material efferent jump area or on transporting direction downward-sloping layout be orientated in other words.
For in tobacco, especially shred the part of sieving out weight in the vein part of tobacco, a plurality of slits nozzle is arranged on the trench bottom of a backset bed sifter, these nozzles all produce the air beam, point to trench bottom.The air beam is upwards turned to and along flowing between the nozzle of slit.The material that sieves is contained on the nozzle, and therefore heavy part is fallen on the trench bottom in face of air-flow, and the material that sieves out is stayed on the nozzle.
Description of drawings
The present invention will be described referring to accompanying drawing according to embodiment below not limit general thinking of the present invention.What all were not described in detail in text can be clearly referring to accompanying drawing according to details of the present invention.Be depicted as:
Fig. 1: a kind of schematic three dimensional views according to screening plant of the present invention;
Fig. 2: the cross-sectional schematic according to screening plant of the present invention shown in Figure 1;
Fig. 3 a: schematic three dimensional views of below tiltedly, seeing according to screening plant of the present invention shown in Figure 1;
Fig. 4: the schematic three dimensional views of a slit nozzle;
Fig. 5: the cross-sectional schematic of slit nozzle shown in Figure 4;
The specific embodiment
Member or corresponding parts identical or same form are represented with same Reference numeral in figure below, therefore just needn't introduce again accordingly.
Fig. 1 has represented a kind of schematic three dimensional views according to screening plant 20 of the present invention.Above tiltedly, can see among the figure and to be arranged in parallel, be also referred to as to sieving the slit nozzle 1 of nozzle 1.Can see an air distributor case 2 in addition, it will be assigned to from the compressed air of the pneumatic fitting of not expressing of central authorities on the screening nozzle 1.Be provided with a groove 3 in addition, it is designed to oscillating conveyor and has a bottom 19 that includes four grooves 16.Schematically illustrated out a material input part 21 in addition, its form is a kind of slide plate, has also schematically illustrated out tobacco-containing material 11 on slide plate, and it is to being transported on the nozzle 1 on the direction of arrow of groove 3.Tobacco-containing material 11 flows to a material efferent 22 that is designed to derive plate 4 by groove 3 on transporting direction 23.As following also to point out, light part 12 is derived deriving on the plate 22.
The A/F in nozzle slit 10 is greatly in the 5mm scope.The length of nozzle seam 10 is between 1m to 2m.The rate of outflow of air can reach about 30m/s.The selection of the spacing 25 of slit nozzle body 1 ' should make air between nozzle the flow velocity at narrow place reach about 5m/s.The spacing at narrow place reaches 30mm approximately.
Tobacco-containing material 11 in the upper area that is enclosed in screening nozzle 1 shown in Figure 1 is because the effect of air-flow 15 has a lift that makes progress on the direction of arrow.This lift enough makes light part 12 remain in the backset bed of 23 li of upper areas of screening nozzle 1.Light part is similar to a kind of fluid motion there, so backset bed is also referred to as fluid layer.
And heavy part 13 has than what produce owing to air-flow 15 and rises the big gravity of buoyancy, and to the direction motion of groove 3 bottoms 19.Arrived the there also because the vibration of groove 3 makes the direction transportation of heavy part towards opening 5.Opening 5 is shown among Fig. 3, the figure shows a schematic three dimensional views according to form of implementation of the present invention shown in Figure 1 of seeing from the lower right.Heavy part can fall and be transported by opening 5.Light part arrives derives plate 4, and this plate dots in Fig. 3.Opening 5 is arranged in and flows out under the plate 4.Also can be other form of implementation, for example groove 3 also can stop in this position.Light part 12 is crossed these perforates on derivation plate 4.Between derivation plate 4 and groove 3, be provided with a gap, can make heavy part 13 be defeated by perforate 5 by this gap.The selection in this gap should make heavy part 13 flow out in the clear, but also can not flow out too many excess air.
Compressed air is by 7 generations of a blower fan and through a suitable throttle mechanism 8 and tube connector 6 input air distributors 2.Therefore make air quantity and make gap between the screening nozzle 1 or the flow velocity of 25 li of spacings is set like this by throttle mechanism 8, to realize desirable screening effect.In order to distribute compressed air to be provided with the suitable pneumatic panel of not expressing or other air distributing device for 1 li equably in 2 li in air distributor case and at the screening nozzle.
Fig. 4 represents an independent schematic three dimensional views of screening nozzle 1.Screening nozzle 1 is preferred at one end or include a suitable receiving system 9 on the two ends.Receiving system 9 can be a clamping plate, dovetail groove or a thread plate.Screening nozzle 1 can be fixed on the air distributor case 2 with receiving system, thereby make the spacing between the nozzle of slit adjustable.Nozzle slit 10 preferably extends on the whole length of screening nozzle 1, can certainly different designs as requested become just in focal length.
Fig. 5 represents the cross section by screening nozzle 1 shown in Figure 4 or slit nozzle 1.As seen angle [alpha], its selection should guarantee on the one hand tobacco perpendicular to the good transportation of section plane, but heavy part 12 can be slided on the direction in gap between the nozzle 1.α preferably is about 45 ° between 6 ° to 90 °.Shown β angle is just at vertical wall with arrange that towards the angle between the wall in slit 10, its selection should guarantee to produce the air-flow of sufficient orientation, and in 6 ° to 90 ° scope, preferably is about 30 °.
The air that is flowed out by groove 3 is drawn out of by means of a suitable unshowned suction hood.Otherwise can be as designing at the device described in EP 0 361 815 B1 according to device of the present invention, especially referring to Fig. 1 of this file, 2,5 and 6.
Layout by the slit nozzle has produced that some are downward, points to the air-flow of trench bottom.These air-flows bump against on the trench bottom and upwards turn to there.Air just flows through the gap between the nozzle of slit then.Tobacco is added on the nozzle.Heavy part is then in contrast to main air stream and to dropping on the channel bottom.Light product rests on the nozzle or at the upper area of nozzle.Opposite with prior art, it is points upwards that airflow direction has more than, but at first downward.Therefore applied in the prior art thin orifice plate has gone out of use, and these orifice plates are located at channel bottom and air flows through orifice plate and make it contaminated, therefore must clean termly.
The groove 3 that has bottom 19 in a kind of preferred form of implementation is swung, shakes or is vibrated.Screening nozzle 1 can be fixed, and that is to say not in company with swinging, shake or vibrating.1 of nozzle of screening preferably is not connected with groove 3.
Groove 3 and screening nozzle 1 can mechanically be connected with each other and swing together, shake or vibrate in a kind of alternative form of implementation.Groove 3 and nozzle 1 also can favour the horizontal plane layout and not move.When this form of implementation, just transport the material that has sieved with sieve out by screening air and gravity.
Reference numerals list
The part that 1 screening nozzle 13 weighs
1 ' slit nozzle body 14 nozzles stream
2 air distributor casees, 15 air-flows
3 grooves, 16 grooves
4 derive plate 18 screening chambeies
5 perforates, 19 bottoms
6 tube connectors, 20 backset bed sifters
7 blower fans, 21 material input parts
8 throttle mechanisms, 22 material efferents
9 receiving systems, 23 upper areas
10 nozzle slits, 24 transporting directions
11 tobacco-containing materials, 25 spacings
12 light part 26 backset beds
Claims (16)
1. be used in screening lining, chamber (18) separating weight and light particle (12 from tobacco-containing material (11), 13) screening plant (20), wherein screening plant (20) includes at least one and is used for producing screening stream (14,15) screening nozzle (1), it is characterized in that screening nozzle (1) has the body (1 ') that is arranged in the screening chamber.
2. by the described screening plant of claim 1 (20), it is characterized in that screening plant (20) is backset bed screening plant (20).
3. by claim 1 or 2 described screening plants (20), it is characterized in that the opening (10) of screening nozzle (1) is towards the bottom (19) of screening plant (20).
4. by the described screening plant of claim 3 (20), it is characterized in that air-flow (14) perpendicular that is flowed out by the opening (10) that sieves nozzle (1) flows out downwards.
5. by claim 3 or 4 described screening plants (20), it is characterized in that the bottom (19) of screening plant (20) is provided with at least one groove (16).
6. by the described screening plant of claim 1 (20), it is characterized in that screening nozzle (1) is the slit nozzle, it is stretched over material efferent (22) from material input part (21) in the part at least.
7. by the described screening plant of claim 1 (20), it is characterized in that, be provided with material input part (21), it is arranged on the body (1 ') of screening nozzle (1) or at an upper portion thereof on the zone (23).
8. by the described screening plant of claim 1 (20), it is characterized in that, be provided with material efferent (22), it arranges the upper area (23) of the body (1 ') of screening nozzle (1).
9. by the described screening plant of claim 1 (20), it is characterized in that the body (1 ') of screening nozzle (1) becomes downwards perpendicular to the cross-sectional design of the transporting direction (24) of the tobacco-containing material that is sized (11,12) and upwards diminishes gradually.
10. by the described screening plant of claim 1 (20), it is characterized in that, be provided with two screening nozzles (1) at least.
11. by the described screening plant of claim 10 (20), it is characterized in that, screening nozzle (1) to the bottom spacing (25) of (19) can transfer.
12. be used in screening lining, chamber (18) separating weight and light particle (12 from tobacco-containing material (11), 13) method, wherein sieving chamber (18) demarcates with bottom (19), wherein tobacco-containing material (11) is contained in screening (18) lining, chamber and makes light part (12) remain on the upper area in screening chamber (18) by means of the stream of the screening in the sensing (15), wherein Chong part (13) rests on bottom (19) or gets there, it is characterized in that, form screening stream (15) by the reflection of the air-flow (14) that points to bottom (19).
13., it is characterized in that design air-flow (14) makes the backset bed (26) that forms a kind of light grains (12) at the upper area (23) in screening chamber (18) by the described method of claim 12.
14. by claim 12 or 13 described methods, it is characterized in that, tobacco-containing material (11) be enclosed in the upper area (23) in screening chamber (18).
15. by described method one of in the claim 12 to 14, it is characterized in that bottom (19) vibration or vibration also are designed to tilt.
16., it is characterized in that bottom (19) are designed to tilt by described method one of in the claim 12 to 14.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200510062090 DE102005062090B4 (en) | 2005-12-22 | 2005-12-22 | Visual device and method for separating heavy and light particles of tobacco material |
| DE102005062090.6 | 2005-12-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1986084A true CN1986084A (en) | 2007-06-27 |
| CN100537055C CN100537055C (en) | 2009-09-09 |
Family
ID=37963612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101701574A Expired - Fee Related CN100537055C (en) | 2005-12-22 | 2006-12-22 | Screening of tobacco material |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1800550A1 (en) |
| CN (1) | CN100537055C (en) |
| DE (1) | DE102005062090B4 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116237153A (en) * | 2023-05-11 | 2023-06-09 | 四川南充华景智农农业装备制造有限公司 | Multi-dimensional joint sorting system for peppers |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015107971A1 (en) | 2015-05-20 | 2016-11-24 | Hauni Maschinenbau Gmbh | Method for producing small-sized tobacco, setting up the tobacco-processing industry and use of the device |
| CN106767429B (en) * | 2016-11-29 | 2019-06-11 | 上海烟草集团有限责任公司 | Pipe tobacco length and width dimensions are distributed automatic testing method and detection system |
| CN108576914B (en) * | 2018-05-31 | 2023-05-19 | 江西中烟工业有限责任公司 | Tobacco stem and stem head secondary screening device for tobacco processing based on shaking screening |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2737635C2 (en) * | 1977-08-20 | 1982-12-16 | Bergwerksverband Gmbh, 4300 Essen | Device for conveying streams of solids through fluidized beds and for the simultaneous separation of larger and / or heavier grain fractions |
| US4646759A (en) * | 1984-01-06 | 1987-03-03 | Philip Morris Incorporated | Vibrating trough tobacco separator and classifier |
| EP0301217B1 (en) * | 1987-07-29 | 1993-02-03 | B.A.T. Cigarettenfabriken GmbH | Device for separating tabacco particles for a gas/tobacco mixture |
| GB8822723D0 (en) * | 1988-09-28 | 1988-11-02 | Rothmans Int Tobacco | Method & apparatus for separation of objectionable particles from tobacco material |
| DE19928360A1 (en) * | 1999-06-21 | 2001-03-29 | Focke & Co | Method and device for producing and / or packaging cigarettes |
| DE29919773U1 (en) * | 1999-11-11 | 2001-03-22 | Hoecker Polytechnik | Device for separating recyclable waste |
-
2005
- 2005-12-22 DE DE200510062090 patent/DE102005062090B4/en not_active Expired - Fee Related
-
2006
- 2006-11-17 EP EP06023896A patent/EP1800550A1/en not_active Withdrawn
- 2006-12-22 CN CNB2006101701574A patent/CN100537055C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116237153A (en) * | 2023-05-11 | 2023-06-09 | 四川南充华景智农农业装备制造有限公司 | Multi-dimensional joint sorting system for peppers |
| CN116237153B (en) * | 2023-05-11 | 2023-08-15 | 四川南充华景智农农业装备制造有限公司 | Multi-dimensional joint sorting system for peppers |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100537055C (en) | 2009-09-09 |
| DE102005062090A1 (en) | 2007-07-05 |
| EP1800550A1 (en) | 2007-06-27 |
| DE102005062090B4 (en) | 2010-01-14 |
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| PB01 | Publication | ||
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090909 Termination date: 20101222 |