EP2451585A1 - Separator comprising a vertical rotational axis - Google Patents
Separator comprising a vertical rotational axisInfo
- Publication number
- EP2451585A1 EP2451585A1 EP10734091A EP10734091A EP2451585A1 EP 2451585 A1 EP2451585 A1 EP 2451585A1 EP 10734091 A EP10734091 A EP 10734091A EP 10734091 A EP10734091 A EP 10734091A EP 2451585 A1 EP2451585 A1 EP 2451585A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ribs
- separator according
- inlet
- distributor
- inlet pipe
- 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
- 239000008267 milk Substances 0.000 claims abstract description 3
- 210000004080 milk Anatomy 0.000 claims abstract description 3
- 235000013336 milk Nutrition 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 239000007787 solid Substances 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 2
- 244000052616 bacterial pathogen Species 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 125000006850 spacer group Chemical group 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
- B04B11/06—Arrangement of distributors or collectors in centrifuges
Definitions
- the invention relates to a separator with a vertical axis of rotation according to the preamble of claim 1.
- Such a separator is known from DE 10 2004 038 613 Al. As described in this document, it may come in a use of separators for the sterilization of milk u.U. too short-term deterioration of the sterilization efficiency due to pressure increases in the inlet, the z. B. caused by partial discharges, Tankum- circuits or by an increased air content in the product. Another problem is the transport (shaft run) of germs to the peeling disk.
- connecting holes to an annulus which is formed above the free end of the inlet pipe in the manifold, are provided that extend the connection holes between a preferably conical inlet space and the annulus , and that the outlet openings from the inlet space in the inlet bores of the distributor and the connecting bores to the annular space is assigned in each case a rib.
- the ribbed body is easy to assemble.
- the inlet pressure can be reduced and the feed rate increased. This results in a gentle re product feed in the distributor.
- the risk of deposits forming in the inlet area is reduced.
- one or more of the axis of rotation is aligned, which means a strong acceleration of the material to be centrifuged in the circumferential direction. But it is also conceivable to make them relative to the respective radial, for example, between 1 ° and 80 °.
- the ribs may be straight, but also curved. It is also conceivable a blade-like design with curvatures in all directions, as long as an acceleration effect in the circumferential direction is given.
- FIG. 1 shows a simplified section through a centrifugal drum of a separator according to the invention
- Fig. 3, 4 are each perspective views of rib bodies.
- FIG. 1 shows a simplified representation of a partial region of a centrifugal drum 1 of a continuously operable separator rotatable about a rotation axis D, in which a plate package 2 of a multiplicity of plates 3 is arranged concentrically to the machine axis or axis of rotation D.
- the centrifugal drum is here twice conically formed inside.
- the plates 3 have a conical shape, are stacked axially one above the other and by means of spacers, not shown here (tabs and the like.) Distance from each other.
- the plate package 2 is held on a distributor shaft 4 of a distributor 5, which is provided on its outer periphery with radially outwardly projecting webs (here not visible), which engage on the inner circumference of the plate 3 in this.
- the plate package 2 has riser channels 6, which consist of directly superimposed holes in the plates 3 and extend over the entire height of the plate package 2.
- An inlet pipe 7 lying concentrically to the machine axis makes it possible to feed a centrifuged material from above into the centrifugal drum 1 and through the distributor shaft 4 and below the plate package 2 in the distributor 5 into the plate package 2, for example in the region of the riser channel 6 or on another place.
- Peeling discs (not shown here) and solid discharge openings 10 are derived from the centrifugal drum 1.
- the solids discharge openings 10 are preceded by a piston slide 11, which is vertically movable and with which the solids discharge openings can be opened and closed.
- a product supplied through the inlet pipe 7 first enters from the inlet pipe 7 into an inlet chamber 12 in the center of the distributor shaft 4, the free lower outlet of the inlet pipe 7 extending below the upper edge of the inlet chamber 12.
- the distribution channels 8 begin in the peripheral wall 13 of the inlet pipe.
- the feed chamber 12 is designed according to FIG. 1 such that a ribbed body 14 with one or preferably a plurality of ribs 15 can be inserted into it.
- the ribbed bodies 14 are rotatably connected to the centrifugal drum, preferably with the distributor 4, connected.
- FIGS. 3 and 4 two suitable ribbed bodies 14 are shown in FIGS. 3 and 4.
- the illustrated ribbed bodies 14 each have a base portion 16.
- This base portion 16 is preferably formed as a circumferentially closed ring portion (Fig. 1 ', Fig. T).
- the annular base portions 16 are flat, so that they extend in the installed state perpendicular to the axis of rotation D, according to Fig.l it extends vertically, according to Fig. 2, the base portion 16, however, is conical.
- the base portion 16 is rotatably connected respectively to the rotating system, in particular to the distributor 4.
- the shape of the base portion 16 preferably corresponds in each case to the shape of the distributor 4 in a corresponding contact or support area.
- the ribs 15 project vertically vertically and when installed, they are also vertically aligned.
- the base sections 16 of the exemplary embodiments of FIGS. 3 and 4 are preferably oriented vertically downwards so that the ribs 15 project vertically upwards into the inlet space 12.
- the ribs 15 of the embodiments are formed integrally with the base portion 16 and project from one axial side thereof vertically.
- the ribs 15 are formed circumferentially distributed on the base body 16. The radial length of the ribs
- the ribs 15 preferably corresponds at least to the vertical height of the inlet openings 17 in the distributor channels 8.
- the ribs 15 are aligned according to a variant radially to the axis of rotation D (Fig. 3, Fig. 4). But you can also - see Fig. 2 - be aligned at an angle to the radial direction.
- the ribbed body 14 is inserted or installed in the annular space 12.
- a bore-like inlet opening 17 from the inlet chamber 12 into the inlet bores or channels 8 is formed or arranged directly behind each of the ribs 15 and radially outside the ribs.
- the ribs are located radially inward to the inlet openings 17th
- the rib body 14 as a whole or as a single element in the assembly of the centrifugal drum is easily settable in the inlet chamber 12, where it is fixed in rotation against the distributor 4, which is e.g. by fastening means such as screws, bayonet-like, by shitting or the like. Can be done.
- the inlet chamber 12 is designed such that it adjusts a pressure increase in relation to a configuration without ribbed body 14 in operation.
- the inlet pipe 7 has a disk section 18 (a "hydro disk") which, according to FIG. 1, is advantageously - but not necessarily - formed at the vertically lower end of the inlet pipe 7, where it extends from the inlet pipe 1 perpendicular to the axis of rotation D or perpendicular to the axial direction of the inlet pipe 7 outwardly to the inner circumferential wall of the distributor 4.
- the remaining gap is preferably less than 10 mm, more preferably less than 7 mm radially inwardly projecting lug 24 at the upper end of the distributor forms an additional closure in operation radially upwards.
- the inlet pressure can be reduced by installing the ribbed body, eg at 80000 l / h feed rate by 0.5 bar.
- the feed rate can be increased accordingly.
- Fig. 2 a largely similar to Fig.l structure is realized, however, the ribs 15 are not radially aligned here but inclined obliquely to the radial, so that the ribs with the respective radial enclosing an angle.
- the base portion 16 is conically shaped so that it can be placed on a corresponding conical portion 19 of the manifold, wherein the ribs 15 extending vertically upwards from the base portion also follow the conical shape of the base portion 16.
- the annular space 12 is also formed conically according to Fig. 2, at least in the region in which the ribs 4 are formed.
- This pipe section 20 is in its upper vertical region in which the inlet pipe 7 terminates, here in a preferred embodiment slightly conical and cylindrical in the adjoining lower portion, wherein the
- Diameter in this area preferably corresponds to the diameter of the inlet pipe 7.
- the inner diameter is preferably not more than 10 mm, preferably not more than 7 mm, larger than the outer diameter of the feed pipe 7.
- the inlet pipe 7 extends axially in turn into the inlet region of the distributor 4th
- this disk section 18 is preferably not formed at the free axial end of the inlet pipe 7 but rather in front of its axial end.
- the disk portion 18 extends radially into an annular space 21 which extends vertically above and below the disk portion 18 radially over the outer circumference. fang of the disc portion 18 extends inwardly.
- the annular space 21 connects vertically to the pipe section 20 of the distributor.
- ribs 23 (preferably at least partially aligned radially) at the upper edge of the annular space on a rotatably connected in operation with the distributor ring 25 or other rotating in operation machine part, which in the annular space in the circumference of the centrifuged material take in operation and thus help that a radial fluid level can form in the annular space 21.
- vertical ribs 22 may be formed on the disc section 18.
- a liquid ring forms in the annular space 18 on the outside, which closes the inlet area vertically downwards.
- the risk of contamination of the inlet area of the centrifugal drum is also particularly low.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009032617A DE102009032617A1 (en) | 2009-07-10 | 2009-07-10 | Separator with vertical axis of rotation |
PCT/EP2010/059912 WO2011004014A1 (en) | 2009-07-10 | 2010-07-09 | Separator comprising a vertical rotational axis |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2451585A1 true EP2451585A1 (en) | 2012-05-16 |
EP2451585B1 EP2451585B1 (en) | 2017-03-22 |
EP2451585B2 EP2451585B2 (en) | 2020-03-11 |
Family
ID=43037722
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10734091.1A Active EP2451585B2 (en) | 2009-07-10 | 2010-07-09 | Separator comprising a vertical rotational axis |
Country Status (5)
Country | Link |
---|---|
US (1) | US9132435B2 (en) |
EP (1) | EP2451585B2 (en) |
CN (1) | CN102470379B (en) |
DE (1) | DE102009032617A1 (en) |
WO (1) | WO2011004014A1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009155943A1 (en) * | 2008-06-25 | 2009-12-30 | Gea Westfalia Separator Gmbh | Separator drum having distributor |
DE102009032617A1 (en) * | 2009-07-10 | 2011-01-13 | Gea Westfalia Separator Gmbh | Separator with vertical axis of rotation |
EP2628544B1 (en) | 2012-02-15 | 2015-03-25 | Alfa Laval Corporate AB | Centrifugal separator with inlet arrangement |
DE102012106648A1 (en) * | 2012-07-23 | 2014-01-23 | Gea Mechanical Equipment Gmbh | separator arrangement |
RU2539759C2 (en) * | 2013-02-26 | 2015-01-27 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Пензенская государственная сельскохозяйственная академия" | Separator |
DE202015103984U1 (en) * | 2015-07-30 | 2016-11-02 | Gea Mechanical Equipment Gmbh | Separator drum and separator |
EP3330004B1 (en) * | 2016-11-30 | 2021-03-03 | Andritz Frautech S.r.l. | Accelerator disc for a centrifugal separator |
CN109847950B (en) * | 2019-04-18 | 2021-06-11 | 沈阳工业大学 | Multifunctional disc type separator rotary drum with multiple changeable runners |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2243697A (en) * | 1938-11-28 | 1941-05-27 | Laval Separator Co De | Liquid supply means for centrifugal separators |
US2294468A (en) | 1939-05-27 | 1942-09-01 | Laval Separator Co De | Centrifugal separator |
DE1029744B (en) | 1955-12-16 | 1958-05-08 | Separator Ab | Continuously working nozzle centrifuge |
BE550623A (en) | 1956-01-19 | |||
US4005817A (en) | 1975-09-18 | 1977-02-01 | Dorr-Oliver Incorporated | Nozzle type centrifuge |
US4067494A (en) | 1977-01-03 | 1978-01-10 | Dorr-Oliver Incorporated | Nozzle type centrifugal machine with improved slurry pumping chambers |
US4430071A (en) | 1982-05-27 | 1984-02-07 | Dorr-Oliver Incorporated | Feed seal for bottom feed centrifuge |
DE3305215C2 (en) * | 1983-02-16 | 1986-04-10 | Westfalia Separator Ag, 4740 Oelde | Centrifugal drum for clarifying and separating centrifugal liquids |
SE450093B (en) * | 1985-10-30 | 1987-06-09 | Alfa Laval Separation Ab | CENTRIFUGAL Separator inlet device |
DE3627826C2 (en) * | 1986-08-16 | 1995-02-09 | Westfalia Separator Ag | Centrifugal drum |
SE8803687D0 (en) * | 1988-10-17 | 1988-10-17 | Alfa-Laval Separation Ab | centrifugal |
SE465501B (en) * | 1990-02-15 | 1991-09-23 | Alfa Laval Separation Ab | Centrifugal separator with inlet chamber |
CA2131738C (en) * | 1993-11-17 | 2001-09-04 | Lonny R. Kelley | Flow enhanced one-pass centrifuge separator |
SE504464C2 (en) * | 1995-06-08 | 1997-02-17 | Alfa Laval Ab | Centrifuge rotor and a slide for one |
SE514779C2 (en) * | 1998-08-20 | 2001-04-23 | Alfa Laval Ab | Carrying means for a centrifugal separator |
EP1508377B1 (en) * | 2003-08-16 | 2006-06-07 | Westfalia Separator AG | Separator |
DE102004042888A1 (en) * | 2004-09-04 | 2006-03-23 | Westfalia Separator Ag | Self-draining separator with disc package |
DE102006047478A1 (en) * | 2005-10-06 | 2007-04-12 | Westfalia Separator Ag | Separator drum with optimized distributor e.g. for separator drum, has vertical axis of rotation and has centric inlet pipe which is torque proof connected to distributor |
WO2009155943A1 (en) * | 2008-06-25 | 2009-12-30 | Gea Westfalia Separator Gmbh | Separator drum having distributor |
DE102009032617A1 (en) * | 2009-07-10 | 2011-01-13 | Gea Westfalia Separator Gmbh | Separator with vertical axis of rotation |
EP2628544B1 (en) * | 2012-02-15 | 2015-03-25 | Alfa Laval Corporate AB | Centrifugal separator with inlet arrangement |
-
2009
- 2009-07-10 DE DE102009032617A patent/DE102009032617A1/en not_active Withdrawn
-
2010
- 2010-07-09 EP EP10734091.1A patent/EP2451585B2/en active Active
- 2010-07-09 WO PCT/EP2010/059912 patent/WO2011004014A1/en active Application Filing
- 2010-07-09 US US13/382,537 patent/US9132435B2/en active Active
- 2010-07-09 CN CN201080030946.2A patent/CN102470379B/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2011004014A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2011004014A1 (en) | 2011-01-13 |
DE102009032617A1 (en) | 2011-01-13 |
US9132435B2 (en) | 2015-09-15 |
CN102470379B (en) | 2015-06-10 |
US20120108413A1 (en) | 2012-05-03 |
EP2451585B1 (en) | 2017-03-22 |
EP2451585B2 (en) | 2020-03-11 |
CN102470379A (en) | 2012-05-23 |
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