EP0918568A1 - Zentrifuge, deren schleudertrommel eine schälkammer und eine hydrohermetikammer aufweist - Google Patents
Zentrifuge, deren schleudertrommel eine schälkammer und eine hydrohermetikammer aufweistInfo
- Publication number
- EP0918568A1 EP0918568A1 EP97934430A EP97934430A EP0918568A1 EP 0918568 A1 EP0918568 A1 EP 0918568A1 EP 97934430 A EP97934430 A EP 97934430A EP 97934430 A EP97934430 A EP 97934430A EP 0918568 A1 EP0918568 A1 EP 0918568A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chamber
- cover
- locking
- centrifuge
- peeling
- 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
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 239000007787 solid Substances 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 230000004888 barrier function Effects 0.000 claims description 26
- 239000007791 liquid phase Substances 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000012071 phase Substances 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
- B04B11/08—Skimmers or scrapers for discharging ; Regulating thereof
- B04B11/082—Skimmers for discharging liquid
Definitions
- Centrifuge whose centrifugal drum has a peeling chamber and a hydrohermetic chamber
- the invention relates to a centrifuge with a vertical axis of rotation, the centrifugal drum of which has a peeling chamber which is connected to the separating space of the centrifugal drum via at least one discharge channel and which is provided with a peeling device arranged in the peeling chamber, which clarifies the continuous discharge of a in the centrifugal drum or separated liquid phase, and also has a locking disk which is firmly connected to the peeling device above the peeling chamber and which extends into a rotating disk rotating with the centrifugal drum
- the peeling device is provided with a channel for supplying a barrier liquid into the barrier chamber and the barrier chamber is bounded at the top and the outside by a cover, the free edge of which faces the axis of rotation forms an overflow weir.
- Water or another foreign liquid introduced into the blocking chamber from the outside can be used as the blocking liquid.
- the barrier chamber provided above the sheeting chamber which is also known as the hydrohermetic chamber, prevents atmospheric air from entering the peeling chamber and thus into the liquid phase peeled off from this chamber.
- a centrifuge of the type mentioned at the outset is known (DE 40 14 552 C1), in which deposits of solid can form on the periphery of the barrier chamber during operation and cannot be flushed out even during CIP cleaning. These deposits, provided they are organic in nature, can begin to rot, so that the product passing through the centrifuge can be contaminated.
- the invention has for its object to design a centrifuge of the type mentioned so that deposits of solids on the periphery (on
- Outer bottom) of the barrier chamber with the overflow of the barrier liquid and / or with the downflow of the cleaning medium during CIP cleaning are discharged into the space between the centrifugal drum and the centrifuge housing.
- a second locking chamber cover is arranged, which is offset inward relative to the outer bottom of the locking chamber and with the first cover a flow channel for the removal of solids deposited on the outer bottom of the locking chamber via the Overflow weir forms.
- a directional flow is present during operation of the centrifuge when barrier water is added, which discharges the solid deposited on the outer bottom, on the periphery of the barrier chamber, via the overflow weir.
- Drain pressure of the peeling device of the liquid level in the peeling chamber is shifted radially inwards to such an extent that liquid flows from the peeling chamber over the inner boundary of the overflow into the barrier chamber. This results in an intensive flushing with a flow through the flow channel, which is formed by the two lids, in the barrier chamber. All solids deposited on the periphery of the barrier chamber are rinsed out, so that a hygienically clean hydrohermetic chamber results.
- a liquid phase of the product is passed into a peeling chamber 5 and from there via a peeling device 6 under pressure from the centrifuge.
- a blocking chamber 7 which rotates with the centrifugal drum 2, an overflow 8 being arranged between the peeling chamber 5 and the blocking chamber 7 and forming a partition between the two chambers.
- a blocking disk 9 projects which is connected to the peeling device and is thus arranged in a stationary manner.
- Bore 12 is sealed via an annular space 13 and an outlet 14, e.g. Barrier water, introduced into the barrier chamber 7, a barrier liquid level 15 being formed, which is determined by an overflow weir 16, which is formed by the free inner edge of a cover 17, which delimits the barrier chamber 7 upwards and outwards.
- the free edge that forms the overflow weir 16 is the
- a second blocking chamber cover 18 is arranged between the blocking disc 9 and the first cover 17. This second locking chamber cover 18 is offset inwards relative to the outer bottom 19 of the locking chamber 7 and, together with the first cover 17, forms a flow channel 20 for the removal from the outer bottom of the
- Locking chamber 7 and is guided through the flow channel 20.
- the liquid level in the peeling chamber is displaced radially inward by throttling the discharge pressure of the peeling device so that liquid flows from the peeling chamber over the inner limit of the overflow into the barrier chamber.
- the second barrier chamber cover 18 is connected to the overflow 8 between the peeling chamber 5 and the barrier chamber 7.
- This assembly has an outwardly extending ring flange 21 which is fixed between the first cover 17 and an upper end face 22 of the centrifugal drum 2.
- a sealing ring 23 anchored in a groove of the first cover ice 17 is supported on the ring flange 21.
- barrier chamber cover 18 is provided adjacent to the inside of the first cover 17, so that the flow channel 20 is formed in the form of a gap between these two covers.
Landscapes
- Centrifugal Separators (AREA)
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19631226 | 1996-08-02 | ||
| DE19631226A DE19631226C2 (de) | 1996-08-02 | 1996-08-02 | Zentrifuge, deren Schleudertrommel eine Schälkammer und eine Hydrohermetikkammer aufweist |
| PCT/DE1997/001490 WO1998005431A1 (de) | 1996-08-02 | 1997-07-15 | Zentrifuge, deren schleudertrommel eine schälkammer und eine hydrohermetikkammer aufweist |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0918568A1 true EP0918568A1 (de) | 1999-06-02 |
| EP0918568B1 EP0918568B1 (de) | 2001-10-04 |
Family
ID=7801593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP97934430A Expired - Lifetime EP0918568B1 (de) | 1996-08-02 | 1997-07-15 | Zentrifuge, deren schleudertrommel eine schälkammer und eine hydrohermetikammer aufweist |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US6015375A (de) |
| EP (1) | EP0918568B1 (de) |
| JP (1) | JP3919229B2 (de) |
| AT (1) | ATE206330T1 (de) |
| AU (1) | AU729217B2 (de) |
| DE (2) | DE19631226C2 (de) |
| DK (1) | DK0918568T3 (de) |
| ES (1) | ES2163183T3 (de) |
| WO (1) | WO1998005431A1 (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10143405C2 (de) * | 2001-09-05 | 2003-12-18 | Westfalia Separator Ag | Schälscheibenvorrichtung zum Ableiten von Flüssigkeit aus einer Zentrifugentrommel |
| DE10220757B4 (de) | 2002-05-08 | 2004-06-24 | Westfalia Separator Ag | Zentrifuge, insbesondere Separator |
| DE10223802B4 (de) | 2002-05-29 | 2005-06-09 | Westfalia Separator Ag | Vollmantel-Schneckenzentrifuge |
| AU2008352003B2 (en) | 2007-12-03 | 2014-05-08 | Agrivida, Inc. | Engineering enzymatically susceptible phytases |
| CN103433153A (zh) * | 2013-08-12 | 2013-12-11 | 江苏捷达离心机制造有限公司 | 卧式螺旋卸料沉降离心机的出液高度调节装置 |
| EP3156134B1 (de) | 2015-10-12 | 2018-07-25 | Alfa Laval Corporate AB | Zentrifugalabscheider mit intermittierender entladung schwerer phasen |
| ES3030114T3 (en) | 2020-02-11 | 2025-06-26 | Gea Mechanical Equipment Gmbh | Method for operating a centrifuge and an arrangement comprising a centrifuge and a gas reservoir |
| DE102021120611A1 (de) | 2021-08-09 | 2023-02-09 | Gea Westfalia Separator Group Gmbh | Zentrifuge sowie Verfahren zum Betrieb dieser Zentrifuge |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3317126A (en) * | 1965-01-14 | 1967-05-02 | Pennsalt Chemicals Corp | Centrifuge discharge means |
| DE3503581C1 (de) * | 1985-02-02 | 1986-04-17 | Westfalia Separator Ag | Schleudertrommel zum Klaeren und Trennen von Schleuderfluessigkeiten |
| DE3603385C1 (de) * | 1986-02-05 | 1987-06-04 | Westfalia Separator Ag | Kontinuierlich arbeitende Schleudertrommel zum Konzentrieren suspendierter Feststoffe |
| DE4007666C1 (de) * | 1990-03-10 | 1991-03-07 | Westfalia Separator Ag, 4740 Oelde, De | |
| DE4014552C1 (de) * | 1990-05-07 | 1991-07-18 | Westfalia Separator Ag, 4740 Oelde, De |
-
1996
- 1996-08-02 DE DE19631226A patent/DE19631226C2/de not_active Expired - Fee Related
-
1997
- 1997-07-15 JP JP50745298A patent/JP3919229B2/ja not_active Expired - Fee Related
- 1997-07-15 WO PCT/DE1997/001490 patent/WO1998005431A1/de not_active Ceased
- 1997-07-15 DE DE59704809T patent/DE59704809D1/de not_active Expired - Lifetime
- 1997-07-15 AT AT97934430T patent/ATE206330T1/de active
- 1997-07-15 DK DK97934430T patent/DK0918568T3/da active
- 1997-07-15 EP EP97934430A patent/EP0918568B1/de not_active Expired - Lifetime
- 1997-07-15 ES ES97934430T patent/ES2163183T3/es not_active Expired - Lifetime
- 1997-07-15 US US09/101,608 patent/US6015375A/en not_active Expired - Lifetime
- 1997-07-15 AU AU37655/97A patent/AU729217B2/en not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9805431A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3919229B2 (ja) | 2007-05-23 |
| ES2163183T3 (es) | 2002-01-16 |
| DE19631226A1 (de) | 1998-02-05 |
| ATE206330T1 (de) | 2001-10-15 |
| JP2000515421A (ja) | 2000-11-21 |
| DK0918568T3 (da) | 2002-01-28 |
| EP0918568B1 (de) | 2001-10-04 |
| US6015375A (en) | 2000-01-18 |
| AU3765597A (en) | 1998-02-25 |
| AU729217B2 (en) | 2001-01-25 |
| DE19631226C2 (de) | 1999-10-21 |
| WO1998005431A1 (de) | 1998-02-12 |
| DE59704809D1 (de) | 2001-11-08 |
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