EP0782477B1 - Zyklonsichter - Google Patents
Zyklonsichter Download PDFInfo
- Publication number
- EP0782477B1 EP0782477B1 EP95924790A EP95924790A EP0782477B1 EP 0782477 B1 EP0782477 B1 EP 0782477B1 EP 95924790 A EP95924790 A EP 95924790A EP 95924790 A EP95924790 A EP 95924790A EP 0782477 B1 EP0782477 B1 EP 0782477B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cyclone separator
- separator according
- separation chamber
- separation
- guide
- 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.)
- Expired - Lifetime
Links
- 238000000926 separation method Methods 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 25
- 238000007654 immersion Methods 0.000 claims description 11
- 238000004804 winding Methods 0.000 claims 3
- 230000009194 climbing Effects 0.000 claims 1
- 230000000007 visual effect Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- 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
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
- B07B7/08—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force
- B07B7/083—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force generated by rotating vanes, discs, drums, or brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C3/00—Apparatus in which the axial direction of the vortex flow following a screw-thread type line remains unchanged ; Devices in which one of the two discharge ducts returns centrally through the vortex chamber, a reverse-flow vortex being prevented by bulkheads in the central discharge duct
- B04C3/06—Construction of inlets or outlets to the vortex chamber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/02—Construction of inlets by which the vortex flow is generated, e.g. tangential admission, the fluid flow being forced to follow a downward path by spirally wound bulkheads, or with slightly downwardly-directed tangential admission
- B04C5/04—Tangential inlets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/08—Vortex chamber constructions
- B04C5/103—Bodies or members, e.g. bulkheads, guides, in the vortex chamber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
Definitions
- the invention relates to a cyclone sifter according to the preamble of claim 1.
- DE-B 10 90 940 is a centrifugal dust separator known, the features of the preamble of claim 1 and in particular has feed channels which are tangential to the Separation room are introduced.
- the channels rise at an angle from bottom to top before they open into the separation area. Details, such as the mouth of the feed channels in the Separation space is formed, DE-B 10 90 940 are not too remove.
- a cyclone separator from EP 398 864 A2 known to separate at least one solid or liquid Substance from a liquid or gaseous medium by centrifugal forces.
- the invention has for its object a cyclone sifter specify with the features of the preamble of claim 1, which with a very simple construction is a very good sighting of the visible material can be achieved.
- the Channel has an area formed as a spiral channel is that the viewing space rises diagonally from bottom to top and flows in a spiral loop into the visual space, and that the spiral channel in the looping area towards the viewing area is open.
- the channel becomes a spiral in the visual space directed upwards and causes that by the Gravity-sinking visible material is repeatedly conveyed upwards is and thus remains in the visual space for a long time. Thereby it is possible to separate the visual goods more precisely what has a positive effect, especially in the middle faction area.
- the coarse material is transferred to the Housing wall crowded and sinks there, while the fines flows out with the classifying air in the central area of the classroom.
- the cyclone classifier has a housing 1 on, which delimits a viewing space 2 in which the visible material by centrifugal forces due to the different weight of the individual particles of the material being sighted.
- Spiral channels 3 and 4 are provided which are diametrically opposed to each other opposite each other and running from bottom to top at 3 'or 4' open into the visual space, whereby they the visible air and the Issue a movement component against gravity.
- the visible material can be shared supplied with the visual air through channels 3, 4 will.
- the visible material can also be passed through channels 5, 6, that open in the area of the upper end of the viewing space 2, are supplied and via a spreading plate 7, which has a Shaft 8 is mounted in the housing 1 and driven by this will be brought into the viewing room 2.
- a spreading plate 7 which has a Shaft 8 is mounted in the housing 1 and driven by this will be brought into the viewing room 2.
- the visible material with the Channels 5, 6 and the spreading disc are supplied with visible air 7 of course not available.
- An immersion tube 9 projects into the viewing space 2 from below Mouth 10 is arranged radially centrally in the viewing space 2.
- the Dip tube 9 can, as shown in Fig. 1, one piece be curved below the mouth 10 and laterally from the Housing 1 are brought out. About the dip tube 9 is Clear air and fines are removed.
- the coarse material sinks at the Outer wall of the housing 1 through an approximately annular space 11, which is formed between the dip tube 9 and the housing wall 1 is down and is via a discharge opening 19th dissipated.
- a guide device is located on the dip tube 9 in the region of its mouth 10 12 arranged.
- the guide device 12 is a conical one Sheet metal ring that with its upper edge with smaller Diameter attached to the outside of the dip tube 9 gas-tight is, whereas its lower edge is larger in diameter protrudes all around from the outer peripheral surface of the dip tube 9. This guide device 12 has the following effect:
- the guide device 12 hardly changes the Peripheral speed (flow conditions) and thus the Centrifugal forces in the viewing area 2 in the approximately annular space 11 by the curved lead out Dip tube 9 occurring flow disturbances from the viewing area 2 shielded.
- the guide ring 13 has the shape of a top and bottom tapered jacket of a truncated cone and is gas-tight with its upper edge with a larger diameter attached to the inside of the housing wall 1, whereas be lower edge with a smaller diameter compared to the edge of the Housing 1 is offset inwards.
- the guide ring 13 is thus from the wall of the housing 1 downwards and inwards.
- baffles 20 are attached, which inwards protrude the viewing space 2. These baffles 20 contribute to one Rinsing the visible material flung against the housing wall 1 at, which in particular the finer visible material back in the visual space 2 is carried back because the space between the Baffles 20 from that fed through the channels 3, 4 Visible air is flushed out.
- the baffles 20 extend as shown in Fig. 1 only on a single baffle 20 is, either over the entire height of the viewing space 2 to Guide ring 13 down or just about the height of merging channels 3, 4.
- a number of guide vanes 14 may be provided, which on Dip tube 9 in the area of the transition of the viewing space 2 in an outflow chamber 15 are arranged.
- the outflow space 15 is the space that is approximately in the axial extension of the dip tube 9 extends upwards.
- the guide vanes 14 are, as can be seen in FIG. 7, in the Cross-section curved and can preferably be adjustable, to the respective circumstances, especially the flow rate to be able to adapt. Through the guide vanes 14 ensures that the classifying air with the fine material largely undisturbed from the rotating in the radial direction of movement and can go further into the axial, whereby the flow resistances decrease, which in turn affects the necessary energy use has a positive effect.
- the guide vanes 14 can be arranged so that they extending from the opening 10 of the dip tube 9 upwards incline towards the main axis 16 of the cyclone sifter, whereby the Transition of the flow from the radial to the axial direction is further improved.
- a classifier wheel 17 with blades can also be used 18 can be provided to the coarse material even better from the fines separate.
- the classifier wheel 17 rotates outside the guide vanes 14 and extends substantially over the entire Height of the viewing area 2.
- the invention can be as follows, for example being represented:
- the cyclone classifier has a housing 1, which approximately one encloses rotationally symmetrical viewing space 2, and one Device 3, 4 for supplying visual air and optionally Visible material in the viewing space 2, which is approximately tangential in the viewing space 2 flows.
- the cyclone classifier also has an outlet 19 for coarse material and an immersion tube 9 for removing the visual air with Fine goods on.
- the device for supplying visual air is formed by two channels 3, 4, which spiral around the The main axis 16 of the cyclone sifter is curved into the viewing space 2 flow into.
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Cyclones (AREA)
- Combined Means For Separation Of Solids (AREA)
- Centrifugal Separators (AREA)
Description
Claims (20)
- Zyklonsichter mit vertikaler Hauptachse (16) mit einem Gehäuse (1), das einen etwa rotationssymetrischen Sichtraum (2) umschließt, mit wenigtens einem Kanal (3, 4) zum Zuführen von Sichtluft und gegebenenfalls Sichtgut in den Sichtraum, der etwa tangential an den Sichtraum (2) herangeführt wird, mit einer Austragöffnung (19) für Grobgut und mit einem Auslaß (10) für die Sichtluft mit Feingut, dadurch gekennzeichnet, daß der Kanal (3, 4) einen Bereich aufweist, der als Spiralkanal (3', 4') ausgebildet ist, der den Sichtraum (2) schräg von unten nach oben ansteigend und spiralförmig umschlingend in den Sichtraum (2) einmündet, daß der Spiralkanal (3', 4') im Umschlingungsbereich zum Sichtraum (2) hin offen ist, und daß die Öffnung am Beginn des Umschlingungsbereiches vom oberen Ende des Sichtraumes (2) beabstandet ist.
- Zyklonsichter nach Anspruch 1, dadurch gekennzeichnet, daß wenigstens zwei einander diametral gegenüberliegende Kanäle (3, 4) zum Zuführen von Sichtluft vorgesehen sind.
- Zyklonsichter nach Anspruch 2, dadurch gekennzeichnet, daß der Auslaß (10) für Sichtluft und Feingut eine Mündung eines zentral von unten in den Sichtraum mündenden Tauchrohres (9) ist.
- Zyklonsichter nach Anspruch 3, dadurch gekennzeichnet, daß weiters ein von oben zentral in den Sichtraum (2) ragendes Tauchrohr zum Abführen von Sichtluft und Feingut vorgesehen ist.
- Zyklonsichter nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß im oberen Bereich des Sichtraumes (2) eine Einrichtung (7, 8) zum Zuführen von Sichtgut, vorzugsweise in Form eines Streutellers, angeordnet ist.
- Zyklonsichter nach einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, daß am unteren Tauchrohr (9) in der Nähe der Mündung (10) eine Leiteinrichtung (12) angeordnet ist.
- Zyklonsichter nach Anspruch 6, dadurch gekennzeichnet, daß sich die Leiteinrichtung (12) konisch zur Mündung (10) des Tauchrohres (9) nach oben hin verjüngt.
- Zyklonsichter nach Anspruch 6 oder 7, dadurch gekennzeichnet, daß am unteren Tauchrohr (9) mehr als eine Leiteinrichtung (12), vorzugsweise zwei Leiteinrichtungen (12) in Form von sich zur Mündung (10) des Tauchrohres (9) hin verjüngenden Mänteln von Kegelstümpfen vorgesehen sind.
- Zyklonsichter nach einem der Ansprüche 3 bis 8, dadurch gekennzeichnet, daß an der Wand des Gehäuses (1) im Bereich des Sichtraumes (2) und im Bereich der Mündung (10) des unteren Tauchrohres (9) ein nach innen abstehender Leitring (13) angeordnet ist.
- Zyklonsichter nach Anspruch 9, dadurch gekennzeichnet, daß der Leitring (13) die Form eines sich von oben nach unten verjüngenden Mantels eines Kegelstumpfes aufweist.
- Zyklonsichter nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß die Austragöffnung (19) für Grobgut am unteren Ende eines vom Gehäuse (1) und vom unteren Tauchrohr (9) begrenzten, im wesentlichen ringförmigen Raumes (11) angeordnet ist.
- Zyklonsichter nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß im Sichtraum (2) Leitschaufeln (14) angeordnet sind.
- Zyklonsichter nach Anspruch 12, dadurch gekennzeichnet, daß die Leitschaufeln (14) etwa über die axiale Erstreckung des Sichtraumes (2) reichen.
- Zyklonsichter nach Anspruch 12 oder 13, dadurch gekennzeichnet, daß der Sichtraum (2) einen zentral angeordneten und in der axialen (16) Verlängerung der Einrichtung (10) zum Abführen von Sichtluft und Feingut angeordneten Luftabströmraum (15) umschließt, und daß die Leitschaufeln (14) im Grenzbereich zwischen Sichtraum (2) und Luftabströmraum (15) angeordnet sind.
- Zyklonsichter nach Anspruch 14, dadurch gekennzeichnet, daß die Leitschaufeln (14) in den Luftabströmraum (15) hineinragen.
- Zyklonsichter nach einem der Ansprüche 1 bis 15, dadurch gekennzeichnet, daß die Leitschaufeln (14) einen gekrümmten Querschnitt aufweisen.
- Zyklonsichter nach einem der Ansprüche 1 bis 16, dadurch gekennzeichnet, daß die Leitschaufeln (14) in ihrer radialen Ausrichtung verstellbar sind.
- Zyklonsichter nach einem der Ansprüche 1 bis 17, dadurch gekennzeichnet, daß an der Innenwand des Gehäuses (1) Leitbleche (20) angeordnet sind, die nach innen in den Sichtraum (2) abstehen.
- Zyklonsichter nach Anspruch 18, dadurch gekennzeichnet, daß sich die Leitbleche (20) über die gesamte Höhe des Sichtraumes (2) erstrecken.
- Zyklonsichter nach Anspruch 18, dadurch gekennzeichnet, daß sich die Leitbleche (20) etwa über die Höhe der Spiralkanäle (3', 4') erstrecken.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4434038A DE4434038A1 (de) | 1994-09-23 | 1994-09-23 | Vorrichtung zum Abtrennen wenigstens eines Stoffes aus einem Medium |
DE4434038 | 1994-09-23 | ||
PCT/AT1995/000154 WO1996009120A1 (de) | 1994-09-23 | 1995-07-26 | Zyklonsichter |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0782477A1 EP0782477A1 (de) | 1997-07-09 |
EP0782477B1 true EP0782477B1 (de) | 1998-09-16 |
Family
ID=6529023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95924790A Expired - Lifetime EP0782477B1 (de) | 1994-09-23 | 1995-07-26 | Zyklonsichter |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0782477B1 (de) |
CZ (1) | CZ292180B6 (de) |
DE (2) | DE4434038A1 (de) |
HU (1) | HUT77213A (de) |
PL (1) | PL319302A1 (de) |
WO (1) | WO1996009120A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT413339B (de) * | 2003-12-30 | 2006-02-15 | Pmt Gesteinsvermahlungstechnik | Leiteinrichtung für fliehkraftabscheider, insbesondere zyklonabscheider |
BR112013003379B1 (pt) * | 2010-08-11 | 2020-08-11 | Fmc Technologies C.V | Aparelho divisor de fase de alta eficiência |
CN102527176A (zh) * | 2011-12-15 | 2012-07-04 | 常熟市上海飞奥压力容器制造有限公司 | 立式天然气过滤器 |
AT512151B1 (de) * | 2012-05-24 | 2013-06-15 | A Tec Holding Gmbh | Vorrichtung zum Abtrennen von Stoffen aus einem Medium |
DE102019123034B3 (de) * | 2019-08-28 | 2020-12-03 | Khd Humboldt Wedag Gmbh | Zyklon mit rotierendem Stabkorb |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1960887A (en) * | 1931-09-24 | 1934-05-29 | Alexander William | Dust separator |
GB517206A (en) * | 1938-08-26 | 1940-01-23 | Andrew Thomson Bowden | Process and apparatus for separating solid particles from gases |
DE1090940B (de) * | 1954-07-30 | 1960-10-13 | Reinhold Kamps Dipl Ing Dr | Fliehkraftstaubabscheider mit einem oder mehreren in einem Gehaeuse angeordneten Zyklonen, insbesondere fuer Krackanlagen |
DE2137128C3 (de) * | 1971-07-24 | 1978-10-05 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Vorrichtung zur Drallerzeugung in einem Drehströmungswirbler |
DE3808023A1 (de) * | 1988-03-10 | 1989-09-21 | Krupp Polysius Ag | Sichter |
FI902329A0 (fi) * | 1989-05-18 | 1990-05-09 | Voest Alpine Krems | Avskiljningsfoerfarande och -anordning. |
JP2509374B2 (ja) * | 1990-07-23 | 1996-06-19 | 株式会社クボタ | 粉粒体分級装置 |
JPH05232177A (ja) * | 1992-02-24 | 1993-09-07 | Nec Corp | 印刷配線板の検査方法 |
-
1994
- 1994-09-23 DE DE4434038A patent/DE4434038A1/de not_active Withdrawn
-
1995
- 1995-07-26 PL PL95319302A patent/PL319302A1/xx unknown
- 1995-07-26 CZ CZ1997878A patent/CZ292180B6/cs not_active IP Right Cessation
- 1995-07-26 DE DE59503633T patent/DE59503633D1/de not_active Expired - Fee Related
- 1995-07-26 EP EP95924790A patent/EP0782477B1/de not_active Expired - Lifetime
- 1995-07-26 HU HU9701735A patent/HUT77213A/hu unknown
- 1995-07-26 WO PCT/AT1995/000154 patent/WO1996009120A1/de active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
DE59503633D1 (de) | 1998-10-22 |
EP0782477A1 (de) | 1997-07-09 |
DE4434038A1 (de) | 1996-03-28 |
PL319302A1 (en) | 1997-08-04 |
WO1996009120A1 (de) | 1996-03-28 |
CZ87897A3 (en) | 1997-07-16 |
HUT77213A (hu) | 1998-03-02 |
CZ292180B6 (cs) | 2003-08-13 |
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