EP2387468A1 - Zyklonabscheider mit einlassströmungsleitrohr - Google Patents
Zyklonabscheider mit einlassströmungsleitrohrInfo
- Publication number
- EP2387468A1 EP2387468A1 EP10702594A EP10702594A EP2387468A1 EP 2387468 A1 EP2387468 A1 EP 2387468A1 EP 10702594 A EP10702594 A EP 10702594A EP 10702594 A EP10702594 A EP 10702594A EP 2387468 A1 EP2387468 A1 EP 2387468A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cyclone separator
- channel
- space
- separator according
- flow
- 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
Links
Classifications
-
- 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
- B04C11/00—Accessories, e.g. safety or control devices, not otherwise provided for, e.g. regulators, valves in inlet or overflow ducting
-
- 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
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/12—Construction of the overflow ducting, e.g. diffusing or spiral exits
- B04C5/13—Construction of the overflow ducting, e.g. diffusing or spiral exits formed as a vortex finder and extending into the vortex chamber; Discharge from vortex finder otherwise than at the top of the cyclone; Devices for controlling the overflow
Definitions
- the invention relates to a cyclone separator with an inlet and an outlet for a fluid, a vortex chamber with a round cross-section arranged between the inlet and the outlet and guide means for producing a vortex flow in the vortex space.
- Cyclone separators also referred to as centrifugal separators or cyclone filters, serve to separate solid or liquid particles contained in gases or to separate solid particles contained in liquids.
- a cyclone separator basically consists of five parts. When installed at the top
- Location is the upper housing part (sometimes referred to as inlet cylinder), the u.a. the dirty fluid inlet and the purified fluid outlet.
- a particle collecting container is provided below the conical vortex space, which is often referred to as a bunker.
- the whirl space is bounded by a so-called APEX cone towards the bunker.
- the fluid entering through the inlet into the housing top and then into the swirl chamber is placed in a spiral, downwardly directed flow motion, also referred to as swirl downflow.
- centrifugal forces act on the fluid and the particles contained therein, causing them to move radially outwards.
- BEST ⁇ TIGUNGSKOP2E accelerate, wherein the particles are partly deposited on the wall and slide down into the particle collecting container or flow away therefrom.
- cyclone separators with swirl disk are known (cf .. EP 1 313 566 B1), the function of which corresponds to the cyclone separator with impeller with regard to the generation of the vortex flow.
- the special feature of a cyclone separator with swirl disk is known (cf .. EP 1 313 566 B1), the function of which corresponds to the cyclone separator with impeller with regard to the generation of the vortex flow.
- Swirl disk is that the blades of the swirl disk are mutually displaceable with respect to the distance.
- the blades of the swirl disk are biased spring-loaded towards each other in the direction of a small distance, wherein the fluid flowing through the space between the wings of the distance between the vanes in response to the differential pressure, which in turn depends on the volume flow of the fluid, and against the spring preload increased.
- the swirl disk generates a throttling effect whose height depends directly on the volume flow of the fluid.
- the efficiency of a cyclone separator is influenced by a number of factors. A significant influence on the one hand, the flow velocity, which should not fall below a defined limit in the rule. The flow rate in turn depends directly on the volume flow of the fluid to be purified, which is supplied to the cyclone separator. However, in practice, the volumetric flow is often exposed to extreme fluctuations, which has a negative influence on the average efficiency of the cyclone separator.
- constructive a cyclone separator is regularly designed such that it achieves an optimum deposition rate at a defined inlet velocity (a value of about 15 m / s has proven to be advantageous) or a corresponding volume flow; Fluctuations in these values inevitably lead to a not inconsiderable loss of efficiency.
- Swirling flow is influenced.
- the present invention seeks to provide a cyclone separator improved in particular with regard to the efficiency.
- a cyclone separator which has a housing with an inlet and an outlet for a fluid (and in particular a compressed gas, such as compressed air), a vortex space arranged between the inlet and outlet, preferably with a round cross section, and guide means for generating a vortex flow in FIG Having the whirling space is characterized in that the guide means are formed as (preferably obliquely arranged) channel.
- Vorbelsenkströmung be realized by means of an impeller or swirl disk a partially significant improvement in the efficiency of the cyclone.
- inventive design of the cyclone separator over the known types manufacturing advantages, which are reflected in particular in lower production costs. It follows that it is possible to achieve the advantages of the invention over the known from the prior art cyclone at least partially even if instead of one channel, two or more channels are provided through which the fluid flow in the Whirl room is passed. Under round cross-section is understood according to the invention an angle-free cross-section; In particular, circular cross-sections are covered hereunder, but any other circular cross-sections, such as elliptical cross-sections, are to be covered by this.
- the course of the channel or of the pipe such that the fluid flow after leaving the channel or pipe is oriented both downwards and tangentially with respect to the wall of the swirling space.
- a downward deflection of the fluid flow as it is known in principle from the prior art cyclonic separators with swirl element or swirl disk, with an additional deflection and sewerage of the fluid flow in the tangential direction
- the wall of the cyclone space can be achieved a significant improvement in the efficiency of a cyclone separator.
- cyclone separator according to the invention can be provided at the vortex space side end of the channel (or the tube) to arrange an adjustable throttle element, which achieves a constant flow rate as possible, the free opening cross-section of the
- a spring-loaded throttle valve can be used as the throttle element, which is arranged in or behind the channel (or pipe) and controls the free cross-section of the channel as a function of the flow rate of the fluid.
- the throttle may be arranged asymmetrically with respect to the cross section of the channel, thereby making it possible to effect a tangential inflow of the wall of the swirling space not only by a corresponding configuration of the channel itself but also by subsequent deflection by means of the throttle.
- the throttle valve may preferably be aligned obliquely to the wall of the swirling space.
- such a throttle flap can cause the flow velocity to be kept as constant as possible and through the slanted position of the throttle valve is also achieved a clean flow around the wall of the swirling space, which can be associated with a better separation and a lower differential pressure.
- Throttle on an additional baffle which deflects leakage in the rear of the throttle valve in the main flow.
- a further improvement in the efficiency of the cyclone separator according to the invention can be achieved in that the channel is an oval or elliptical
- Cross section has.
- the arrangement of the elliptical cross-section is preferably chosen such that the major axis of the elliptical cross-section is downwardly, i.e. is aligned in the direction of the longitudinal axis of the swirling space, while the minor axis is aligned perpendicular thereto.
- an expansion space is provided between the inlet and the channel of the cyclone separator according to the invention, into which the fluid can flow after the inlet into the cyclone separator and before entering the cyclone space. It has been shown that a further improvement of the efficiency and of the pressure loss of the cyclone separator according to the invention can be achieved by this arrangement of an expansion space.
- the channel is formed by a tube which projects into the swirling space, provision may be made for the tube to be open above the swirling space, so that optionally an inner volume of the upper housing portion located above the swirling space can be used as an expansion space.
- the channel can be integrated into a separating element which separates the expansion space from the swirling space.
- a dip tube and / or an outlet channel which connects the swirling space to the outlet in order to remove the cleaned fluid from the cyclone separator can additionally be integrated into this separating element.
- the separating element can be provided to integrate the expansion space into an upper part of the housing (housing upper part) and the swirling space into a lower part of the housing (housing lower part) and to detachably arrange the separating element in the upper housing part and / or the lower housing part.
- This embodiment of the separating element comprising the channel and the outlet channel as preferably exchangeable one Set can bring both manufacturing and maintenance advantages.
- the separating element which can have a geometrically simple construction due to the configuration of the cyclone separator according to the invention, can be designed inexpensively as a plastic component, which can be injection-molded, for example. This can be easily inserted into the two housing parts, which can often be formed from metal and in particular aluminum or steel due to the pressure difference between the atmospheres inside the housing and -auseren.
- a cyclone separator according to the invention is distinguished by a simple construction and, as a result, by a simple production.
- a reduction in the number of different, optimized to different flow rates models can be achieved a cost reduction.
- a high deposition rate for the entire range of application can be achieved with greatly varying volume flows.
- FIG. 1 shows a cyclone separator according to the invention in a sectional view
- Fig. 1 shows an embodiment of a cyclone separator according to the invention.
- This comprises a housing with an upper housing part 1 and a lower housing part 2, which are connected to each other by means of a bayonet closure 3.
- the upper housing part 1 With the upper housing part 1 are each connecting pieces 4 for an inlet 5 for a fluid to be cleaned, compressed air in the present case, and connected to an outlet 6 for the purified compressed air.
- the inlet 5 and the outlet 6 are integrated opposite one another in a horizontal orientation in the housing upper part 1.
- the formed by the upper housing part 1 volume, which serves as an extension space 7, is separated by a separating element 8 of serving as the swirling space 9 volume of the housing base 2.
- the swirling space is designed almost cylindrical, with a draft of approximately 3 ° is easier demolding of the housing base produced as a cast component.
- a particle collecting container 10 In the lower portion of the housing base 2 is a particle collecting container 10 is provided, which is provided with a valve 11, which serves for discharging the liquid collected in the particle collecting container 10 or particles.
- the partition 8 comprises an (inlet) channel 12, which is the inlet 5 for the
- the channel 12 is formed by an obliquely projecting into the swirl space tube 13, which is also partially open with respect to the extension space 7. Accordingly, a direct connection between the expansion chamber 7 and the swirling space 9 results via the partially open tube 13.
- the compressed air entering through the inlet 5 into the cyclone separator flows partly into the expansion space 7 and is introduced into the swirling space 9 via the tube 13 in a defined direction directed.
- the orientation of the tube 13 is such that the flow is partly inclined downwards in the direction of the particle collecting container 10 and at the same time a tangential flow of the inner wall of the housing lower part 2 takes place in the outlet region of the tube 13.
- the ensuing through the channel 12 sewerage of the incoming compressed air in the swirl chamber 9 in conjunction with the deflection of the flow both downwardly and tangentially in the direction of the wall of the swirling space 9 provides a vortex flow, which is characterized by a particularly good deposition rate.
- the eddy current causes the particles contained in the compressed air (liquid droplets, dirt particles, etc.) due to their due to the higher density inertia compared to the compressed air either deposited on the wall of the vortex space 9 and discharged in the direction of the particle collecting container 10, or lower part of the swirling space 9 of the caused by the pressure difference and supported by an APEX cone 16 deflection of the compressed air flow does not follow and in turn be collected in the particle collecting container 10.
- FIG. 2 shows an alternative of a separating element 8b which, for example, can be used in the cyclone separator according to FIG. 1 instead of the separating element 8 used there.
- the further description is therefore made in conjunction with the other components of the cyclone separator of Fig. 1.
- the essential distinction of the separating element 8b of Fig. 2 in comparison to the separating element of Fig. 1 relate to the formation of the tube 13b, with the compressed air in the Whirl space 9 is passed and the additional arrangement of a throttle valve 18 at the outlet-side end of the tube 13 b.
- the tube 13b has an elliptical cross section, wherein the main axis of the elliptical cross section is aligned in the direction of the longitudinal axis of the housing. Due to the elliptical design of the cross section of the tube 13b, a further improvement of the deposition rate of the cyclone separator can optionally be achieved.
- the throttle valve 18 provides for a throttling of the compressed air flow in dependence on the flow rate of the compressed air in order to achieve the most constant flow rate possible.
- the slightly distributed, rotatably mounted in the pipe wall throttle valve 18 is loaded by a spring 19 in the direction of its closed position.
- the opening direction of the throttle valve 18 is also chosen so that at least a portion of the compressed air from the throttle valve 18 is additionally deflected in the tangential direction with respect to the wall of the swirling space 9.
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Cyclones (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL10702594T PL2387468T3 (pl) | 2009-01-15 | 2010-01-15 | Separator cyklonowy z przewodem prowadzącym strumienia wlotowego |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200910005157 DE102009005157A1 (de) | 2009-01-15 | 2009-01-15 | Zyklonabscheider |
| PCT/EP2010/000206 WO2010081715A1 (de) | 2009-01-15 | 2010-01-15 | Zyklonabscheider mit einlassströmungsleitrohr |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2387468A1 true EP2387468A1 (de) | 2011-11-23 |
| EP2387468B1 EP2387468B1 (de) | 2018-04-25 |
Family
ID=42111626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP10702594.2A Active EP2387468B1 (de) | 2009-01-15 | 2010-01-15 | Zyklonabscheider mit einlassströmungsleitrohr |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2387468B1 (de) |
| DE (1) | DE102009005157A1 (de) |
| PL (1) | PL2387468T3 (de) |
| TR (1) | TR201808137T4 (de) |
| WO (1) | WO2010081715A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2626139B1 (de) | 2012-02-13 | 2014-12-17 | Belenos Clean Power Holding AG | Zyklonabscheider zur Gas-Flüssigkeits-Trennung |
| CH709137A2 (de) * | 2014-01-09 | 2015-07-15 | Imi Hydronic Engineering Switzerland Ag | Schlammabscheider. |
| EP3222357B2 (de) * | 2016-03-22 | 2022-02-23 | IMI Hydronic Engineering International SA | Schlammabscheider |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB556286A (en) * | 1941-07-01 | 1943-09-28 | Int Harvester Australia | Improvements in centrifugal gas cleaners |
| FR1248898A (fr) * | 1959-03-12 | 1960-12-23 | Wright Austin Company | Séparateur de particules entraînées dans un gaz ou une vapeur |
| DE3048239C2 (de) * | 1980-12-20 | 1983-09-08 | Hans-Johann 5650 Solingen Obermeier | Zyklon-Staubabscheider für staubbeladene Abluft- oder Abgasströme |
| SE9103824L (sv) * | 1991-12-23 | 1992-11-30 | Kamyr Ab | Saett och cyklonanordning foer att motverka skumbildning |
| DE20013046U1 (de) | 2000-07-28 | 2001-01-11 | Müns Technische Anlagen GmbH, 16321 Lindenberg | Dynamische Drallscheibe für Zyklonabscheider zur Erzeugung einer Wirbelsenkströmung |
| AU2001287020A1 (en) * | 2000-09-01 | 2002-03-13 | Shell International Research Maatschappij B.V. | Cyclone entrance nozzle |
-
2009
- 2009-01-15 DE DE200910005157 patent/DE102009005157A1/de not_active Withdrawn
-
2010
- 2010-01-15 PL PL10702594T patent/PL2387468T3/pl unknown
- 2010-01-15 WO PCT/EP2010/000206 patent/WO2010081715A1/de not_active Ceased
- 2010-01-15 TR TR2018/08137T patent/TR201808137T4/tr unknown
- 2010-01-15 EP EP10702594.2A patent/EP2387468B1/de active Active
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2010081715A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| TR201808137T4 (tr) | 2018-07-23 |
| EP2387468B1 (de) | 2018-04-25 |
| PL2387468T3 (pl) | 2018-08-31 |
| DE102009005157A1 (de) | 2010-07-22 |
| WO2010081715A1 (de) | 2010-07-22 |
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