EP2446146A1 - Umwälzsystem für lebensmittelverträgliche flüssigkeiten - Google Patents
Umwälzsystem für lebensmittelverträgliche flüssigkeitenInfo
- Publication number
- EP2446146A1 EP2446146A1 EP10724732A EP10724732A EP2446146A1 EP 2446146 A1 EP2446146 A1 EP 2446146A1 EP 10724732 A EP10724732 A EP 10724732A EP 10724732 A EP10724732 A EP 10724732A EP 2446146 A1 EP2446146 A1 EP 2446146A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pump
- pump chamber
- line
- food
- air
- 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
- 239000012530 fluid Substances 0.000 title abstract description 3
- 239000007788 liquid Substances 0.000 claims description 17
- 239000012267 brine Substances 0.000 description 6
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 6
- 235000021110 pickles Nutrition 0.000 description 5
- 238000005554 pickling Methods 0.000 description 3
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 2
- 244000046052 Phaseolus vulgaris Species 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000011449 brick Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000000411 inducer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000009938 salting Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D9/00—Priming; Preventing vapour lock
- F04D9/001—Preventing vapour lock
- F04D9/002—Preventing vapour lock by means in the very pump
- F04D9/003—Preventing vapour lock by means in the very pump separating and removing the vapour
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D9/00—Priming; Preventing vapour lock
- F04D9/04—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock
- F04D9/06—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock of jet type
Definitions
- the invention relates to a circulation system for food-compatible liquids, with a centrifugal pump having an opening into a pump chamber intake manifold and arranged in the pump chamber radial impeller.
- centrifugal pumps are used, for example, to circulate pickle beans in a pickling machine, with which the brine is injected by means of hollow needles into the product to be poked.
- the brine which emerges from the needles just before piercing the needles into the product or shortly after retracting the needles from the product, is collected in the pickling machine and sent to a collecting container, from which it is sucked in with the aid of the centrifugal pump and then back to the Pökelmaschine is returned.
- the object of the invention is to provide a centrifugal pump whose capacity can be maintained stable.
- This object is achieved in that a vent line is guided from the side facing away from the intake manifold side of the pump chamber to the outside.
- the drop in flow rate is due to the fact that the liquid, such as the pickle bricks, as it circulates in the recirculation system gradually accumulates in air. Due to the centrifugal forces occurring in the pump chamber, the entrained in the sucked brine air is separated from the liquid, so that forms an air cushion in the central region of the pump chamber, which obstructs the suction of additional liquid. In the pump according to the invention allows the vent line to reduce this air cushion, so that the capacity of the pump remains stable.
- the air cushion is formed in the entire region of the pump chamber close to the axis, not only on the side facing the intake manifold, but also also facing away from the intake rear of the radial impeller.
- the vent line can be arranged so that their mouth has only a small radial distance from the axis of rotation of the impeller, so that the volume of the air cushion can be reliably limited to a relatively small, uncritical value, without that on the front the impeller flow is disturbed liquid. In this way, a stable pump operation can be maintained even with heavily loaded with air liquids.
- the pressure line leading from the outlet of the pump to the consumer, so for example to the curing machine a branch line, which leads back directly into the reservoir, and in this branch line, a jet pump is arranged, which generates a suction with the the air is actively extracted via the ventilation duct.
- this jet pump creates a bypass which slightly reduces the effective circulation capacity of the centrifugal pump, the proportion of liquid flowing through this bypass can be kept very low, so that the power loss is negligible, but nevertheless the formation of the air cushion in the pump chamber can be effectively prevented ,
- the single drawing figure shows a schematic sketch of a recirculation system for Pökellake with a partially sectioned centrifugal pump.
- the circulation system shown in the drawing comprises a collecting container 10 for Pökellake, a centrifugal pump 12 and a schematically illustrated Pökelmaschine 14.
- the Pökelmaschine 14 is formed as an injector which has in a known manner an oscillating up and down movable needle carrier, which is equipped with hollow Pökelnadeln which pierce the pickle material fed on a conveyor and inject pickle beans into the pickle stock.
- the brine, which is sprayed, is collected by a collection system 16 and returned to the collection container 10.
- the centrifugal pump 12 has an intake manifold 18, which is connected via a suction line 20 to the near-bottom region of the collecting container 10, so that brine can be sucked in via a filter 22.
- the intake manifold 18 terminates in a pump chamber 24 which is surrounded by a volute 26 and receives a radial impeller 28.
- the impeller 28 is mounted on a shaft 30 which is coaxial with the intake manifold 18 and driven by a motor 32 so that the Sucked in via the suction port 18 and conveyed by centrifugal forces into the volute 26 and from there into a pressure line 34 which is connected to the salting machine 14 to supply the brine under pressure to the pickling needles.
- the centrifugal pump 12 is mounted in a horizontal construction, ie, its shaft 30 is oriented horizontally.
- the radial impeller 28 is fitted on the front, the intake manifold 18 side facing with wings that fill the cross section of a front portion of the pump chamber 24 almost completely.
- the liquid sucked in via the suction line 20 has a high proportion of air or, more generally, a high proportion of gas
- separation of air and liquid occurs due to the centrifugal forces acting in the pump chamber 24, and in the pump chamber forms in the region close to the axis, that is in the area around the shaft 30, an air cushion which, when it reaches a certain size, obstructs fluid transport to the volute 26.
- the air is forced radially outward on the front side of the radial impeller 28 by the rotating vanes of this impeller and by the liquid transported to the outside, the radial pressure gradient prevailing in the pump chamber causes the air not to be removed via the volute 26, but is forced back into the radially inner region of the pump chamber. This happens not only on the front of the pump chamber, but also on the rear side, which is turned away from the intake manifold 18.
- the degradation of the air cushion is further improved in that the air is actively sucked through the vent line 36.
- a branch line 38 with a relatively small cross-section is connected to the pressure line 34, which returns via a jet pump 40 in the upper region of the collecting container 10.
- the development line 36 is connected to the suction port of the jet pump 40, so that the air is actively sucked out of the pump chamber 24 according to the jet pump principle.
- the outlet of the jet pump 40 is connected above the liquid level 42 to the collecting container 10.
- the conveyed through the branch line 38 liquid therefore flows back into the liquid reservoir, while the entrained air remains in the air volume above the liquid level 42 and can be discharged upwards to the atmosphere.
- an unillustrated axial impeller a so-called inducer
- an unillustrated axial impeller a so-called inducer
- the shaft 30 may be mounted on the shaft 30 within the intake manifold 18, serving primarily to prevent the formation of cavitations in the liquid.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL10724732T PL2446146T3 (pl) | 2009-06-24 | 2010-05-26 | System obiegu cieczy dopuszczonych do kontaktu ze środkami spożywczymi |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009030161A DE102009030161A1 (de) | 2009-06-24 | 2009-06-24 | Umwälzsystem für lebensmittelverträgliche Flüssigkeiten |
PCT/EP2010/057267 WO2010149455A1 (de) | 2009-06-24 | 2010-05-26 | Umwälzsystem für lebensmittelverträgliche flüssigkeiten |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2446146A1 true EP2446146A1 (de) | 2012-05-02 |
EP2446146B1 EP2446146B1 (de) | 2018-09-05 |
Family
ID=42942149
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10724732.2A Active EP2446146B1 (de) | 2009-06-24 | 2010-05-26 | Umwälzsystem für lebensmittelverträgliche flüssigkeiten |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP2446146B1 (de) |
DE (1) | DE102009030161A1 (de) |
DK (1) | DK2446146T3 (de) |
ES (1) | ES2697973T3 (de) |
PL (1) | PL2446146T3 (de) |
WO (1) | WO2010149455A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015200843A1 (de) * | 2015-01-20 | 2016-07-21 | Speck Pumpen Vakuumtechnik Gmbh | Pumpenaggregat |
WO2016165090A1 (zh) * | 2015-04-16 | 2016-10-20 | 威海凌云流体传动科技有限公司 | 气液双相泵 |
CN108757496A (zh) * | 2018-04-13 | 2018-11-06 | 马鞍山宏合建筑工程有限公司 | 一种耐酸排污泵 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2054625A (en) * | 1934-11-07 | 1936-09-15 | Griffith Laboratories | Manufacture of meat curing salt |
US2124681A (en) * | 1936-06-15 | 1938-07-26 | Wayne Pump Co | Liquid dispensing apparatus |
FR1143499A (fr) * | 1953-06-30 | 1957-10-01 | Pompe à amorçage automatique | |
GB1027790A (en) * | 1964-03-10 | 1966-04-27 | Frank Mohn | Improvements in self-priming centrifugal pumps |
GB1307170A (en) * | 1971-09-20 | 1973-02-14 | Godwin Ltd H J | Priming of pumps |
US5152663A (en) * | 1990-09-07 | 1992-10-06 | A. Ahlstrom Corporation | Centrifugal pump |
FI95540C (fi) * | 1990-09-25 | 1996-02-26 | Ahlstroem Oy | Menetelmä ja laite kaasun erottamiseksi kiintoainetta sisältävästä nesteestä |
CH689004A5 (de) * | 1993-07-16 | 1998-07-15 | Staehle Martin | Kreiselpumpe. |
US20040118303A1 (en) * | 2002-12-18 | 2004-06-24 | Townsend Engineering Company | Multiple injection solutions |
AT504038B1 (de) * | 2006-08-14 | 2009-07-15 | Inject Star Poekelmasch | Verfahren, anordnung und entlüftungsstation zur behandlung von pökellake bzw. fleischlakeemulsion |
-
2009
- 2009-06-24 DE DE102009030161A patent/DE102009030161A1/de not_active Withdrawn
-
2010
- 2010-05-26 WO PCT/EP2010/057267 patent/WO2010149455A1/de active Application Filing
- 2010-05-26 PL PL10724732T patent/PL2446146T3/pl unknown
- 2010-05-26 EP EP10724732.2A patent/EP2446146B1/de active Active
- 2010-05-26 ES ES10724732T patent/ES2697973T3/es active Active
- 2010-05-26 DK DK10724732.2T patent/DK2446146T3/en active
Non-Patent Citations (1)
Title |
---|
See references of WO2010149455A1 * |
Also Published As
Publication number | Publication date |
---|---|
PL2446146T3 (pl) | 2019-01-31 |
DE102009030161A1 (de) | 2011-02-10 |
DK2446146T3 (en) | 2018-11-19 |
WO2010149455A1 (de) | 2010-12-29 |
EP2446146B1 (de) | 2018-09-05 |
ES2697973T3 (es) | 2019-01-30 |
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