CN1201626A - Improvements relating to tobacco separators - Google Patents

Improvements relating to tobacco separators Download PDF

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Publication number
CN1201626A
CN1201626A CN 98108785 CN98108785A CN1201626A CN 1201626 A CN1201626 A CN 1201626A CN 98108785 CN98108785 CN 98108785 CN 98108785 A CN98108785 A CN 98108785A CN 1201626 A CN1201626 A CN 1201626A
Authority
CN
China
Prior art keywords
separator
screen
cover
air
filter screen
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
Application number
CN 98108785
Other languages
Chinese (zh)
Inventor
W·G·廷克
E·C·弗雷德里克森
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British American Tobacco Investments Ltd
Original Assignee
British American Tobacco Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to ZW2997 priority Critical
Priority to ZW29/97 priority
Application filed by British American Tobacco Co Ltd filed Critical British American Tobacco Co Ltd
Publication of CN1201626A publication Critical patent/CN1201626A/en
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24CMACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/39Tobacco feeding devices
    • A24C5/392Tobacco feeding devices feeding pneumatically

Abstract

A tangential tobacco/air separator, of the type including a cylindrical perforated separator screen disposed in a housing and a rotary airlock by which tobacco, separated from pneumatic conveyance air, passes from the housing, comprises with a single assembly which provides both the cylindrical screen and the rotary airlock.

Description

The improvement of relevant tobacco separator
Theme of the present invention relates to so-called tangential type tobacco/air separator.
In tobacco processing operation, beat operation as greenery, the graininess tobacco-containing material by carrier pipe from a primary importance to a second place pneumatic conveying, then, in the second place effectively tobacco and pneumatic conveying air separation.This separation is to take place in tobacco/air separator, and is undertaken by tobacco/air separator, and a kind of pattern of tobacco/air separator is tangential type tobacco/air separator.
Those skilled in the art knows that traditional tangential type tobacco/air separator has a cover with product inlet, and in the operation of this separator, pneumatic conveying graininess tobacco-containing material is directly by this inlet.In this cover, extend but with porose separator screen that this inner wall surface separates be a tube that be arranged in parallel, or general tube can allow the filter screen of installing around this axle rotation.The inner wall surface of this cover is extended from product inlet, is bending, so that take away on the flow direction of tobacco-containing material at the air of just coming in along the passage between separator screen and the described wall surface, this filter screen little by little continues to increase the radial distance of described wall surface.
On the lower position of the cover of the tangential type tobacco/air separator of tradition, this cover provides the outlet of tobacco-containing material, and its outlet is communicated with the inlet of rotation vent plug, and its vent plug can be the interior unit of this separator.
In the operation of this separator, pneumatic conveying air and the graininess tobacco-containing material of taking away thereof flow to cover on the tangential direction by product inlet, arrive separator screen, then the flexure type space that inner wall surface limited by this filter screen and this cover.The dynamic inertia of tobacco-containing material particle is guaranteed the curved inner wall of the aforementioned cover that this particle extends by the contact of this space or near the inlet from product.When the tobacco-containing material particle had arrived the tobacco-containing material outlet of this cover, this particle passed through outlet by gravity, and enters in the rotor bag that rotates vent plug.From passing through vent plug, process exports this particle by gravity.
Enter the pneumatic conveying air of separator cover, the process mesh enters the separator screen inside of this tubular or general tubular, and is vertically inner to this filter screen end by this filter screen then, and the careless air outlet slit through this separator cover of this air meeting go out separator.
An object of the present invention is to provide a kind of improved tobacco/air separator.
Another object of the present invention provides a kind of improved tobacco/air separator, is expected to reduce the loss of tobacco-containing material in its operation.
The invention provides a kind of tangential type tobacco/air separator, it includes a cover and one by being arranged in the described cover, the separator screen accessory that the porose separator screen of common tubular is formed, described cover is by the product inlet of described relatively filter screen tangential orientation always, a products export and an air outlet slit are formed, this air outlet slit is communicated with the air flow passage of described separator screen inside, the described inside of described separator screen is divided into a plurality of air flow passage again with the mobile impervious segmentation part of air, along described inner longitudinal extension, appearance from described filter screen, the composition of described filter screen accessory also has one radially to separate vent plug sheet spare device with the isogonism of longitudinal extension from described filter screen, described device can rotate around described filter screen axle, cause the outer rim of described part to depend on rotating near and move away from described products export, contact with the sealing of the inner wall surface of described cover, but state the described outer rim of sheet spare and the described inner wall surface isolation of described cover in all the other places of the rotation road of its walking.
The longitudinal axis rotates the porose separator screen of the common tubular of assembling, and this vent plug sheet spare securely relatively this filter screen fix, thereby help rotating with this filter screen.
In general, the segmentation part that is used for again branch separator screen inside is made multi-disc part type, this multi-disc part type be isogonism separate and from this filter screen radially and longitudinal extension.In this case, if separator screen is rotated assembling, partly providing vent plug sheet spare by segmentation sheet spare also is easily, sees that from the outside this segmentation sheet spare of this separator screen partly extends.
If separator screen is not rotated, so, equipment is done in the vent plug sheet spare assembling that is necessary for the rotation of relative separation device filter screen.
In order to be expressly understood and to implement the present invention simply, at this accompanying drawing is illustrated, wherein:
Fig. 1 represents the outside sketch of the tangential type tobacco/air separator of tradition, is shown in dotted line some inner feature; With
Fig. 2 represents the drawing in side sectional elevation of tangential type tobacco/air separator of the present invention.
Tangential type tobacco/air separator of Fig. 1 is the example of above-mentioned conventional separators.So the separator of Fig. 1 represents with 1 that simply it comprises a cover 2 with product inlet 3, this product inlet 3 is and circulation cross section horizontal quadrature.
The poroid separator screen 4 of cartridge type is horizontally set in the cover 2 of separator 1.In order to rotate,, and can rotate with direction shown in the arrow A by the actuator (not shown) by assembly parts (not shown) assembling filter screen 4 around its longitudinal axis.
The rotor 5 of vent plug also is horizontally set in the cover 2, and this vent plug is represented with 6 simply.As shown in Figure 1, rotor 5 is installed in the bottom of separator screen 4, and axle is aimed at.For nearly its longitudinal axis rotates, by assembly parts (not shown) assembling rotor 5, and can be by the actuator (not shown) to rotate on the direction shown in the arrow B.
The cover 2 that is provided has on its extreme lower position and the directly downward tobacco outlet 7 of circulation cross section quadrature, and this outlet 7 is as tobacco outlet on the vent plug 6.
In cover 2 back (promptly be meant and 8 corresponding of its fronts, but at the other end of cover 2), the air outlet slit (not shown) of this cover 2 is arranged, this air outlet slit is a circular cross sections and coaxial arranged side by side with separator screen 4.
In the operation of the tangential type tobacco/air separator 1 of the illustrated tradition of Fig. 1, because filter screen 4 and vent plug 5 rotate on the direction of arrow A and arrow B respectively, pneumatic conveying air and its graininess tobacco flow through product inlet 3, as shown by arrow I, enter separator cover 2.Tobacco particle enters vent plug 6 through separator screen 4 with after covering space crooked between 2 curved wall inner surfaces, then through tobacco outlet 7, by separator cover 2, shown in arrow II.The pneumatic conveying air enters the inside of tubular separator screen 4 through mesh, vertically by the inside of filter screen 4, goes out separator cover 2 through air outlet slit described below, shown in arrow III.Under the inducing action of the downward air thread at the air outlet slit place that is positioned at lower cover 2, can keep from the air stream of separator 1 and make it by.
Fig. 2 is the tangential type tobacco/air separator with feature of the present invention, and generally represents with 20, and it comprises a cover 21 and horizontally disposed separator screen assembly 22.
On the whole, the structure of cover 21 is exactly the part from the cover 2 that covers the upwardly extending separator 1 of 2 vent plug parts.Cover 21 comprises that one exports 24 with the direct downward tobacco of the product inlet 23 of circulation cross section horizontal quadrature and and circulation cross section quadrature.
For the rotation around the longitudinal axis is provided, the separator screen assembly 22 of separator 20 is assembled by the assembly parts (not shown), and can be by actuator (also not shown) to rotate on the direction shown in the arrow C.These assembly 22 existing separator screen 25 also have a vent plug rotor 26.
Airtight part of isogonism separation that vent plug rotor 26 has a plurality of (12 as shown), each sheet spare is represented with 27.Sheet spare radially extends from the axle 28 of assembly 22, and fixedly secures (by welding) thereon.Separating filter screen 25 has poroid, represents with 29 for this poroid, and each poroid is directly extended and adorn thereon from described each (vent plug rotor 26) sheet spare, and adjacent with described part of the next one.As shown in Figure 2, on cross-sectional view, poroid that forms filter screen 25 structures forms an approximate annulus.In other words, filter screen 25 is tubular basically.
Again as shown in Figure 2, separator screen accessory 22 cover 21 assemblings relatively, and, the inner wall surface 30 and 31 of cover 21 is crooked, when rotating on the direction of arrow C with convenient accessory 22, the outer top of each vent plug (as every 27) moves closer to inner wall surface 30, seals contact inner wall surface 30 then.Then, withstand on cover 21 tobacco outward and export 24 tops and pass through, and begin sealing with inner wall surface 31 and contact, afterwards, separate with surperficial 31 more gradually.
Preferably the sealing strip (not shown) of making of elastomeric material is contained in the outer top of vent plug sheet spare.
In cover 21 back the outermost of the illustrated plane of Fig. 2 back cover 21 (in other words), on the cover 21 an air outlet slit (not shown) is arranged, this air outlet slit is that circumference type cross section is arranged, and side by side coaxial with separator screen accessory 22.
In the illustrated separator operation of Fig. 2, because separator screen accessory 22 is rotated in direction shown in the arrow C, pneumatic conveying air and the graininess tobacco that is wherein had are flowed, and through product inlet 23, enter separator cover 21, shown in arrow IV.Tobacco particle, behind the flexure type space that is limited through separator screen 25 by inwall 30 and separator screen accessory 22, separate gradually, between the following a pair of adjacent vent plug sheet spare of vent plug rotor 26, become the tobacco particle monomer, except the following a pair of adjacent sheet part of filter screen 25 outside this to the vent plug sheet between by poroid as sheet 29 and these parts by relative poroid part surface 30, it is indoor that each such tobacco particle monomer is included in the vent plug of a qualification.Each this vent plug chamber is represented with alphabetical a.Then, when every a pair of adjacent vent plug sheet spare down passed through on tobacco outlet 24, the tobacco grain individuality between it was released by exporting 24 in the gravity effect.
The pneumatic conveying air enters the inside of separator screen 25, and process is formed the eyelet of the sheet of filter screen, and vertically by filter screen inside, wherein channel interior is to be segmented by the vent plug sheet spare that radially is provided with again, and goes out separator cover 21 by aforesaid air outlet slit.As the operation of above-mentioned relevant conventional separators 1, the air stream by separator 20 can be kept by the downward thread of the air outlet slit of location, bottom.
Can expect, though separator has a separator screen as filter screen 25, separator 20 the somewhat useful improvement of Fig. 2, promptly filter screen has real round cross section, and is contained on the cover regularly rather than rotationally.In this improved separator, the inside of separator screen is divided by a plurality of airtight of radially extending again, this part of the separator vent plug sheet spare that extends as 20 the filter screen 25 from axle 28 to separator.In addition, in improved separator, this part plays identical function the vent plug wing that is provided and filter screen 20 outward extending vent plug sheet spares in separator 20, as the framework accessory of assembling, be used for rotating relative to export-oriented of this improvement filter screen, its frame is useful on the relative spacing that keeps this vent plug wing.

Claims (6)

1, a kind of tangential type tobacco/air separator, forming has a cover and one by being arranged in the described cover, the separator screen assembly that the porose separator screen of common tubular is formed, described cover is by the product inlet of described relatively filter screen tangential orientation always, a products export and an air outlet slit are formed, this air outlet slit flows with described separator screen inner air and communicates, the described inside of described separator screen flows with air that impervious segmentation part is divided into along described inner longitudinal extension again, a plurality of air flow passage, see described filter screen from the outside, described net-filter assembly comprises that also one is radially separated vent plug sheet spare device with the isogonism of longitudinal extension along described filter screen, described device is rotatable around described filter screen axle, cause the outer rim of described part to depend on rotating near and move away from described products export, contact with the sealing of the inner wall surface of described cover, but state the described outer rim of sheet spare and the described inner wall surface isolation of described cover in all the other places of the rotation road of its walking.
2, separator according to claim 1 is characterized in that, the longitudinal axis rotates the described separator screen of assembling, and described relatively filter screen firmly fixes described vent plug sheet spare, thereby rotates together.
3, separator according to claim 1 and 2 is characterized in that, described segmentation part structure is to segment sheet spare from radially separating with a plurality of isogonisms of longitudinal extension of described filter screen.
According to claim 2 and 3 described separators, it is characterized in that 4, parts of fine burst spare is formed vent plug sheet spare, sees that from described separator screen outside this part is overhanging.
5, according to the dependent claims 3 described separators of claim 1 or claim 1, it is characterized in that described separator screen is not rotated, described device is to rotate relative to described filter screen.
6, a kind of tangential type tobacco/air separator is in fact with reference to the accompanying drawings 2 and above-mentioned explanation the same.
CN 98108785 1997-04-25 1998-04-24 Improvements relating to tobacco separators Pending CN1201626A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ZW2997 1997-04-25
ZW29/97 1997-04-25

Publications (1)

Publication Number Publication Date
CN1201626A true CN1201626A (en) 1998-12-16

Family

ID=25590254

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 98108785 Pending CN1201626A (en) 1997-04-25 1998-04-24 Improvements relating to tobacco separators

Country Status (5)

Country Link
CN (1) CN1201626A (en)
BR (1) BR9801956A (en)
CA (1) CA2235908A1 (en)
DE (1) DE19818270A1 (en)
GB (1) GB2324458A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100521987C (en) * 2005-06-20 2009-08-05 豪尼机械制造股份公司 Tangential separator
CN102113703A (en) * 2011-03-04 2011-07-06 浙江省三门县振华机械有限公司 Tobacco shreds recovery equipment
CN105310105A (en) * 2015-12-04 2016-02-10 龙岩烟草工业有限责任公司 Sealed conveying device and flexible cut tobacco conveying device and method of feeding system of cigarette making machine
CN106036995A (en) * 2016-07-25 2016-10-26 武汉虹之彩包装印刷有限公司 Wind-power cut tobacco feeding device with combined filter screen for cigarette making machine
CN106072758A (en) * 2016-07-25 2016-11-09 武汉虹之彩包装印刷有限公司 A kind of device cleaning filter screen for cigarette machine Pneumatic silk feeding equipment
CN106072759A (en) * 2016-07-25 2016-11-09 武汉虹之彩包装印刷有限公司 A kind of cigarette machine Pneumatic silk feeding equipment with the device cleaning filter screen

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102488326A (en) * 2011-12-16 2012-06-13 新乡东方工业科技有限公司 Processing device of cigarette machine for ground recovering cut tobacco

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2843673C2 (en) * 1978-10-06 1986-10-16 Hauni-Werke Körber & Co KG, 2050 Hamburg Rotary feeder for a pneumatic tobacco conveyor system
ZA822535B (en) * 1981-04-16 1983-02-23 Molins Plc Cigarette manufacture
DE3631208C2 (en) * 1986-09-13 1992-07-02 Hergeth Hollingsworth Gmbh, 4408 Duelmen, De

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100521987C (en) * 2005-06-20 2009-08-05 豪尼机械制造股份公司 Tangential separator
CN102113703A (en) * 2011-03-04 2011-07-06 浙江省三门县振华机械有限公司 Tobacco shreds recovery equipment
CN105310105A (en) * 2015-12-04 2016-02-10 龙岩烟草工业有限责任公司 Sealed conveying device and flexible cut tobacco conveying device and method of feeding system of cigarette making machine
CN106036995A (en) * 2016-07-25 2016-10-26 武汉虹之彩包装印刷有限公司 Wind-power cut tobacco feeding device with combined filter screen for cigarette making machine
CN106072758A (en) * 2016-07-25 2016-11-09 武汉虹之彩包装印刷有限公司 A kind of device cleaning filter screen for cigarette machine Pneumatic silk feeding equipment
CN106072759A (en) * 2016-07-25 2016-11-09 武汉虹之彩包装印刷有限公司 A kind of cigarette machine Pneumatic silk feeding equipment with the device cleaning filter screen
CN106072759B (en) * 2016-07-25 2017-08-18 武汉虹之彩包装印刷有限公司 A kind of cigarette machine Pneumatic silk feeding equipment with the device for cleaning filter screen
CN106072758B (en) * 2016-07-25 2017-09-01 武汉虹之彩包装印刷有限公司 A kind of device of cleaning filter screen for cigarette machine Pneumatic silk feeding equipment

Also Published As

Publication number Publication date
GB9808660D0 (en) 1998-06-24
BR9801956A (en) 1999-10-26
CA2235908A1 (en) 1998-10-25
DE19818270A1 (en) 1998-10-29
GB2324458A (en) 1998-10-28

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WD01 Invention patent application deemed withdrawn after publication
C01 Deemed withdrawal of patent application (patent law 1993)