EP2451584A1 - Zentrifuge mit einer um eine drehachse drehbaren schleudertrommel - Google Patents
Zentrifuge mit einer um eine drehachse drehbaren schleudertrommelInfo
- Publication number
- EP2451584A1 EP2451584A1 EP10734090A EP10734090A EP2451584A1 EP 2451584 A1 EP2451584 A1 EP 2451584A1 EP 10734090 A EP10734090 A EP 10734090A EP 10734090 A EP10734090 A EP 10734090A EP 2451584 A1 EP2451584 A1 EP 2451584A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- centrifugal drum
- centrifuge
- centrifuge according
- inlet
- drive spindle
- 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
- 238000007789 sealing Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 7
- 239000002893 slag Substances 0.000 claims 1
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 9
- 239000012141 concentrate Substances 0.000 description 7
- 239000012071 phase Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000009969 flowable effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 241000792859 Enema Species 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000007920 enema Substances 0.000 description 1
- 229940095399 enema Drugs 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
- B04B1/04—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls
- B04B1/08—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B11/00—Feeding, charging, or discharging bowls
- B04B11/02—Continuous feeding or discharging; Control arrangements therefor
Definitions
- the invention relates to a centrifuge having a centrifugal drum rotatable about an axis of rotation, in particular a separator having a centrifugal drum rotatable about a vertical axis, which has an inlet for a centrifugal material to be processed and at least two conduits for diverting a lighter and a heavier phase from the centrifugal drum and which is provided with a drive spindle. It is known to clarify this liquid of yeast by means of separators in the processing of a yeast-containing spit - a yeast-containing liquid - with a lighter liquid phase and a heavier yeast concentrate are separated from each other from the centrifugal drum.
- nozzle separators For processing a yeast-containing centrifugal material, preference is given to using nozzle separators, wherein it is attempted to regulate the concentration of the yeast concentrate by using suitable nozzles.
- suitable nozzles for example, an attempt is made to keep the yeast concentration largely constant with suitable discharge nozzles, it being desirable for the separator to react quasi-self-regulating to feed fluctuations.
- suitable discharge nozzles it has been found that this only possible with the help of the use of suitable discharge nozzles.
- the separator is characterized by a sealed against the environment, preferably fully hermetic, interpretation of the rotating system and by at least one of the processes in the flow direction downstream fluidic diode.
- the fluidic diode downstream of the one outlet results in a control effect as a function of the viscosity of the derived product phase, which is preferably, but not necessarily, a yeast concentrate.
- the fluidic diode can be realized in a simple manner as a swirl space, which is preferably cylindrical on the inside and in turn preferably in each case has a tangential inlet and an axial outlet.
- the inlet of the swirl chamber is arranged downstream in the flow direction of a drain hole in the drive spindle of the centrifuge. It is preferably designed as a non-rotating device that is easy to service.
- FIG. 1 is a sectional view of a schematically drawn inventive proper separator. 1 shows a separator 1 with a centrifugal drum 2.
- the centrifugal drum 2 is rotatable about an axis of rotation. This axis of rotation is preferably aligned vertically in a separator according to the invention.
- the separator of Figure 1 is designed as a fully hermetic separator. It has an inlet pipe 3, which opens here in a preferred embodiment from above into the centrifugal drum 2.
- the transition region between the non-rotating inlet pipe 3 and the rotating during operation distributor 4 is sealed with a sealing device 5.
- this sealing device 5 is designed as a mechanical seal.
- the distributor 4 has one or more distribution channels 6, through which the material to be processed is fed into the interior of the centrifugal drum 2.
- a plate package 7 is preferably arranged.
- This plate package 7 has a plurality of stacked separator plates 8.
- Riser channels 9 serve to introduce the material to be processed into the plate package 7.
- the material to be processed is separated into at least two product phases. In the present case, a clarification of a flowable product of solids takes place.
- the flowable phase is discharged from the centrifugal drum on an inner radius via a preferably throttleable drain 10, which does not rotate with the centrifugal drum during operation.
- a sealing device 11 is arranged in the transition region between the drain 10 and the centrifugal drum 2.
- this sealing device 11 is formed as a mechanical seal.
- the drive spindle 14 is rotatably mounted in a machine frame, not shown here, by means of a bearing device 15, which here has an upper and a lower bearing.
- the drive spindle 14 with the drain hole 13 opens at its lower end into an inlet 17 of a swirl chamber 18.
- the swirl chamber 18 does not rotate during operation of the centrifugal drum with this, but stands still.
- a further sealing device 19 is formed between the transition region of the drive spindle 14 with the drainage bore 13 and the inlet 17 of the swirling space 18.
- a mechanical seal is preferably used.
- the swirl space 18 is preferably cylindrical.
- the inlet 17 opens tangentially into the cylindrical swirl space 18, so that the concentrate of solids, which flows into the cylindrical swirl space, flows tangentially into the swirl space 18.
- a run 20 of the swirl chamber 18, however, is preferably formed axially. In this way, the cylindrical swirl space 18 with the tangential inlet 17 and the axial outlet 20 in the sense of this application forms a possible fluidic diode.
- An advantage of this arrangement is that with the fully hermetic separator 1, in which all inflows and outflows with sealing devices, in particular Gleitring- seals, the proportions between concentrate and light phase (ie between the solid phase, which is, however, flowable, and the lighter phase, which is discharged through the drain 10), can be adjusted outside the separator by throttling the processes. Since a cylindrical swirl space is integrated in the concentrate space, which acts as a fluidic diode, there is also a control effect as a function of the viscosity.
- the swirling space 18 is placed outside the rotating centrifugal drum of the separator where better accessibility exists. There are also no space problems and it is a slight change in the nozzle size (u.U., even without interruption of operation) by replacing the swirl space possible.
Landscapes
- Centrifugal Separators (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200910032618 DE102009032618A1 (de) | 2009-07-10 | 2009-07-10 | Zentrifuge mit einer um eine Drehachse drehbaren Schleudertrommel |
PCT/EP2010/059891 WO2011004007A1 (de) | 2009-07-10 | 2010-07-09 | Zentrifuge mit einer um eine drehachse drehbaren schleudertrommel |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2451584A1 true EP2451584A1 (de) | 2012-05-16 |
EP2451584B1 EP2451584B1 (de) | 2017-03-01 |
Family
ID=43037710
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10734090.3A Active EP2451584B1 (de) | 2009-07-10 | 2010-07-09 | Zentrifuge mit einer um eine drehachse drehbaren schleudertrommel |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2451584B1 (de) |
DE (1) | DE102009032618A1 (de) |
WO (1) | WO2011004007A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3666388A1 (de) * | 2018-12-10 | 2020-06-17 | Alfa Laval Corporate AB | Zentrifugalabscheidungssystem und -verfahren |
EP3797872B1 (de) * | 2019-09-25 | 2024-04-10 | Alfa Laval Corporate AB | Zentrifugalabscheider und verfahren zu dessen steuerung |
EP4154983A1 (de) * | 2021-09-23 | 2023-03-29 | Alfa Laval Corporate AB | Zentrifugalseparator mit hermetischem einlass und auslass |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE816525C (de) * | 1949-09-11 | 1951-10-11 | Bergedorfer Eisenwerk A G | Abdichtung von fluessigkeitsfuehrenden Stutzen bei hermetischen Separatoren |
DE3828038A1 (de) * | 1987-10-16 | 1989-04-27 | Westfalia Separator Ag | Schleudertrommel zum trennen von fluessigkeitsgemischen |
DE3811619C1 (de) * | 1988-03-12 | 1989-08-17 | Westfalia Separator Ag, 4740 Oelde, De |
-
2009
- 2009-07-10 DE DE200910032618 patent/DE102009032618A1/de not_active Withdrawn
-
2010
- 2010-07-09 WO PCT/EP2010/059891 patent/WO2011004007A1/de active Application Filing
- 2010-07-09 EP EP10734090.3A patent/EP2451584B1/de active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2011004007A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2011004007A1 (de) | 2011-01-13 |
DE102009032618A1 (de) | 2011-01-13 |
EP2451584B1 (de) | 2017-03-01 |
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