EP2804698A1 - Zyklon zur trennung der flüssigkeitsphase von einem übersättigten gasstrom - Google Patents
Zyklon zur trennung der flüssigkeitsphase von einem übersättigten gasstromInfo
- Publication number
- EP2804698A1 EP2804698A1 EP12810153.2A EP12810153A EP2804698A1 EP 2804698 A1 EP2804698 A1 EP 2804698A1 EP 12810153 A EP12810153 A EP 12810153A EP 2804698 A1 EP2804698 A1 EP 2804698A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- liquid
- cyclone
- insert
- separated
- cyclone according
- 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
- B04C5/14—Construction of the underflow ducting; Apex constructions; Discharge arrangements ; discharge through sidewall provided with a few slits or perforations
-
- 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
Definitions
- the present invention relates to a cyclone for separating the liquid phase from a supersaturated gas stream.
- the present invention is therefore based on the Maugae to provide a device that makes it possible to safely eliminate the liquid content in a saturated gas mixture can.
- a solution according to the invention for this purpose is achieved if a cyclone for separating the liquid phase from a supersaturated gas stream is provided, wherein a porous 3-dimensional region is provided as a liquid sink and is designed as a preformed insert; and wherein:
- the insert comprises a material with wetting properties towards the liquid to be separated, and / or
- the porosity and / or lamination and / or shaping is adapted to the dynamics of the supersaturated gas stream and the liquid to be separated ⁇ keitsmenge; and or
- the insert is designed so that a mechanical stability is ensured at a relatively low pressure or at a relative overpressure and / or a thermal stability is ensured when the temperature is subcooled or overheated compared to the room temperature, and / or the stability with a combination of mechanical and thermal stress is guaranteed; ii) a change of the preformed insert is made possible by opening a connection; iii) is a level sensor in the region below the insert pre see ⁇ ; iv) in connection with the signal of the level sensor, an actuator opens or closes a drain valve; v) a heat insulation is provided around the cyclone and / or the lines to ensure a desired degree of separation; and vi) heating and / or cooling of the cyclone and / or the lines to ensure a desired degree of separation is provided.
- the main advantage of the invention described lies in the possible increase in the permissible gas velocity without risk of mixing liquid from the wall back into the gas stream.
- This new degree of freedom allows not only the size of the system continues to mi ⁇ nimize, but by promises a wide scalability. Since a supersaturated or "wet" influx is assumed, permissible values for temperature and pressure of the inflow are subject to design only, ie the method or the cyclone are applicable both at atmospheric pressure and at elevated pressure or temperature.
- One possible method for providing the supersaturated inflow is the direct injection of the liquid to be evaporated in the upper stream. The a-priori knowledge of the volatilizable mass flow as a function of pressure, temperature and throughput allows this ei ⁇ ne precise control of supersaturation.
- the single figure describes a preferred embodiment for a cyclone which separates a liquid-free, saturated gas phase 2 from a supersaturated liquid-gas mixture 1 by the re-entrainment of the centrifuged liquid film flow 5a along the Cyclone wall is prevented by means of an insert 4 made of porous material.
- This material is selected according to the liquid, so that an always negative capillary pressure in the partially saturated region 4a, near a riser inlet 2a, prevents re-entrainment of the liquid phase due to the high shear forces of the gas flow.
- a set within the porous ⁇ a liquid saturated Be ⁇ rich 4b will form over time.
- the interface between the two regions 4a and 4b adjusts according to the flow laws for porous media as a function of gravity, geometry, porosity and volume flow.
- the liquid 5b flows out of the saturated region 4b, 4c and collects in a volume below the insert 4.
- the porous pin 4c communicates with the collected liquid and it allows ⁇ to overcome the interfacial tension.
- a measurement of the accumulated amount of liquid 5b allows a process-controlled opening of a drain cock 6 and thus a discharge of the liquid 3. This ensures that always a partially saturated region 4a of the porous insert 4 exists and thus the re-mixing of liquid is prevented.
- the invention is characterized in that a porous and liquid-loving, preformed, 3-dimensional volume insert can be used as the liquid absorber for the first time in order to remove the already separated and excess liquid from the process.
- a porous and liquid-loving, preformed, 3-dimensional volume insert can be used as the liquid absorber for the first time in order to remove the already separated and excess liquid from the process.
- there are already two-dimensional membranes which, in addition to low mechanical load capacity, also have little storage capacity. Tat and flow cross-section and therefore run the risk of building a liquid film on the surface, which in turn can be detached from the turbulent shear forces of the gas flow.
Landscapes
- Cyclones (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP12810153.2A EP2804698B1 (de) | 2012-01-19 | 2012-12-11 | Zyklon zur trennung der flüssigkeitsphase von einem übersättigten gasstrom |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP12151813 | 2012-01-19 | ||
| EP12810153.2A EP2804698B1 (de) | 2012-01-19 | 2012-12-11 | Zyklon zur trennung der flüssigkeitsphase von einem übersättigten gasstrom |
| PCT/EP2012/075099 WO2013107568A1 (de) | 2012-01-19 | 2012-12-11 | Zyklon zur trennung der flüssigkeitsphase von einem übersättigten gasstrom |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2804698A1 true EP2804698A1 (de) | 2014-11-26 |
| EP2804698B1 EP2804698B1 (de) | 2020-09-02 |
Family
ID=47504865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP12810153.2A Active EP2804698B1 (de) | 2012-01-19 | 2012-12-11 | Zyklon zur trennung der flüssigkeitsphase von einem übersättigten gasstrom |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP2804698B1 (de) |
| WO (1) | WO2013107568A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022051960A1 (en) * | 2020-09-10 | 2022-03-17 | Robert Bosch Gmbh | Gas-liquid separator and fuel cell system comprising the same |
| DE102024209677A1 (de) | 2024-10-02 | 2026-04-02 | Robert Bosch Gesellschaft mit beschränkter Haftung | Gas-Flüssigkeitsseparator für ein Elektrolysesystem, Elektrolysesystem |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1292479B (de) * | 1958-08-22 | 1969-04-10 | Weber Herbert | Fliehkraftstaubabscheider der Zyklonbauweise mit Einbaukoerper |
| GB1252228A (de) * | 1970-07-14 | 1971-11-03 | ||
| JPS5684656A (en) * | 1979-12-12 | 1981-07-10 | Nippon Mining Co Ltd | Centrifugal separator |
| DE20013046U1 (de) * | 2000-07-28 | 2001-01-11 | Müns Technische Anlagen GmbH, 16321 Lindenberg | Dynamische Drallscheibe für Zyklonabscheider zur Erzeugung einer Wirbelsenkströmung |
-
2012
- 2012-12-11 WO PCT/EP2012/075099 patent/WO2013107568A1/de not_active Ceased
- 2012-12-11 EP EP12810153.2A patent/EP2804698B1/de active Active
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2013107568A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2804698B1 (de) | 2020-09-02 |
| WO2013107568A1 (de) | 2013-07-25 |
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