WO2007033960A1 - Vorrichtung und verfahren zur verteilung zweier nicht miteinander mischbarer flüssigkeiten - Google Patents
Vorrichtung und verfahren zur verteilung zweier nicht miteinander mischbarer flüssigkeiten Download PDFInfo
- Publication number
- WO2007033960A1 WO2007033960A1 PCT/EP2006/066497 EP2006066497W WO2007033960A1 WO 2007033960 A1 WO2007033960 A1 WO 2007033960A1 EP 2006066497 W EP2006066497 W EP 2006066497W WO 2007033960 A1 WO2007033960 A1 WO 2007033960A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- channel
- distribution
- distribution channel
- liquids
- overflow
- 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.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/16—Fractionating columns in which vapour bubbles through liquid
- B01D3/18—Fractionating columns in which vapour bubbles through liquid with horizontal bubble plates
- B01D3/20—Bubble caps; Risers for vapour; Discharge pipes for liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/008—Liquid distribution
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/26—Fractionating columns in which vapour and liquid flow past each other, or in which the fluid is sprayed into the vapour, or in which a two-phase mixture is passed in one direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/0318—Processes
- Y10T137/0324—With control of flow by a condition or characteristic of a fluid
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/0318—Processes
- Y10T137/0324—With control of flow by a condition or characteristic of a fluid
- Y10T137/0363—For producing proportionate flow
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/2496—Self-proportioning or correlating systems
- Y10T137/2499—Mixture condition maintaining or sensing
- Y10T137/2501—Dividing and recombining flow
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/2496—Self-proportioning or correlating systems
- Y10T137/2559—Self-controlled branched flow systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/85938—Non-valved flow dividers
Definitions
- the invention relates to a device for distributing two immiscible liquids for mass transfer and heat exchange columns, comprising at least one distribution channel or a distribution channel arrangement, wherein the
- Collection device via at least one inlet with one or more
- Liquids is fed in different phases and wherein the distribution channel has overflow and / or drain openings for distribution of the liquids.
- the invention further relates to a process for the distribution of two immiscible liquids on a solid bed or on structured internals of a column.
- liquid distributions on solid beds or structured internals are an important task within a variety of process engineering processes.
- liquid distributions are used in separation columns (bottom, body and packing columns).
- the separation result in packed columns (packing of random packed beds or structured packing internals) for the thermal separation of mixtures is essentially determined by a homogeneous liquid distribution.
- devices of the type mentioned are usually used. Such devices usually comprise distribution channels, from which the liquid can flow through openings distributed over the entire cross section. The openings may be arranged on the underside, on the side plates of the distribution channels or on the sides of drainpipes mounted in the distribution channels.
- a homogeneous discharge behavior is achieved by influencing the flow rate of the liquid on the one hand on the design of the size and number of outflow openings and on the other hand on the choice of Kochstau cramp the liquid.
- the flow rate of the liquid is proportional to the root of the damming height of the liquid.
- multi-stage distributor designs are known. These are essentially suitable for the homogeneous distribution of a liquid phase or a liquid having certain physical properties. If the distribution of several liquids or liquids in different phases to be made, it often leads to a temporally and / or locally insufficient distribution quality. Such an uneven liquid distribution (Maldistribution) causes, for example in separation columns, a reduction in the separation efficiency.
- a device of the type mentioned is known for example from US 6,189,566 B1.
- a packed column liquid distributor is described which is particularly suitable for distributing a liquid medium consisting of a mixture of different materials which tends to exhibit inhomogeneities, for example as a result of segregation or polymerization.
- Special internals are intended to intensively mix the two immiscible phases of the liquid within the manifold assembly.
- baffles in the distribution channels, which are provided with relatively small opening passages. This results in a narrowing of the flow cross-section in the region of the internals and to an acceleration of the flow, which is intended to ensure an intensive mixing of the phases.
- Phases separate waste and / or overflow openings are provided, whose
- Cross-section and / or storage height depending on the physical properties of the liquids are arranged or are chosen so that a homogeneous distribution of the liquids is achieved according to predetermined phase proportions.
- the invention is based on the finding that a homogenization of two immiscible phases is generally unstable, so that a temporary separation, especially in Strömungstotzonen can hardly be prevented, so that it seems generally more favorable to deploy the phases separately from the manifold assembly, and Although such a way that a uniform and homogeneous flow is accomplished according to predetermined phase proportions.
- a method for distributing two immiscible liquids on a solid bed or on a structured column by means of at least one distribution channel or a distribution channel arrangement is provided, wherein the distribution channel of a preferably above installation position in collecting container with the liquids via at least one common Feed is fed, and wherein the different phases are initially distributed inhomogeneous.
- the method is characterized in that within the distribution channel or within the distribution channel arrangement, a phase separation is carried out and that the individual phases are discharged separately.
- the distribution channel in at least two according to the principle of divided communicating tubes interconnecting flow paths, each outlet flow and / or overflow openings are assigned.
- the longitudinal division of the flow paths minimizes flow resistance.
- the various flow paths are connected to each other in the manner of the communicating tubes, so that a phase separation according to different specific gravity of the liquid can be established. This is supported by the most laminar flow possible within the distribution channel.
- the segregated liquids can then be removed separately via the drainage and / or overflow openings for each flow path.
- About the size, geometry and height of the overflow openings can be measured.
- the drain and / or overflow openings are sized and arranged so that the chandelierden phase components are approximately equal.
- the distribution channel is provided with two channel divisions, which form an inner and outer communicating with each other flow paths.
- the distribution channel is formed as an upwardly open channel in the installation position, which is divided in the longitudinal direction in at least two flow paths, wherein at least one intermediate wall is provided as a channel partition, on its the channel bottom facing side, leaving an overflow gap or only partially to the channel bottom is connected or which is provided at its the groove bottom facing the end with overflow openings.
- the flow division is achieved by means of such a channel division, wherein the function is conversely that of a weir in the conventional sense, the overflow is below the liquid level.
- Stowage height with about the middle of the distribution channel arranged outlets, preferably in the form of tubes communicates, whereas the outer Flow paths is provided with second outer overflow openings, which are arranged in a second predetermined storage height.
- the first and second damming levels can also be the same.
- the second overflow openings are respectively provided on both outer sides of the distribution channel.
- aprons are respectively provided on the outer sides of the distributor channel, which each form outlet gaps for the liquid emerging from the second overflow openings with the outer sides of the distributor channel.
- Figure 1 is a schematic view of a distribution channel according to a first
- FIG. 2 shows a plan view of the distribution channel shown in FIG. 1, FIG.
- Distribution channels according to the invention and Figure 4) is a plan view of the distribution channel shown in Figure 3.
- a liquid distribution device consists of an array of distribution channels, which are formed according to the illustrated distribution channel, the channels as possible the entire cross-section For example, cover a packed column.
- the device according to the embodiment described below comprises in the simplest case ( Figure 1) a designated 1 distribution channel, which is formed as a extending into the plane of the drawing, in cross-section approximately U-shaped groove.
- the distribution channel 1 is subdivided by means of a weir-like intermediate wall 2 into a first flow path 3a and into a second flow path 3b.
- the intermediate wall 2 extends at a distance from the bottom 4 of the distribution channel 1, so that an overflow 5 is formed between the flow paths 3a, 3b.
- spaced-apart openings in the intermediate wall 2 in the region of the bottom 4 of the distribution channel 1 may be provided.
- the inlet 6 can take place via a frontally transversely disposed upstream inlet channel or in any other suitable manner. Due to the different specific density of the two phases of the liquid mixture, since the flow paths 3a, 3b are connected to each other according to the principle of communicating tubes, a different phase distribution will be established in both flow paths 3a and 3b, as indicated by way of example in FIG.
- the specific heavier liquid 12a passes through the overflow gap 5 of the intermediate wall 2 and accumulates on the side facing away from the inlet 6 of the intermediate wall 2 in the flow path 3a over a remainder of the specific heavier liquid 12a.
- the specific lighter liquid 12b remains in the flow path 3b.
- the distribution channel 1 With 7 are approximately longitudinally centered the distribution channel 1 with spaced-apart drainage tubes, which are connected with only hintedly illustrated overflow openings 8a, b to the flow paths 3a, 3b.
- 12a is the specific heavier liquid, designated 12b the specific lighter liquid.
- the flow paths 3a, 3b may each be connected to different drain tubes 7, wherein the overflow openings may be arranged at different heights, depending on the physical properties of the liquids to be distributed and depending on the predetermined phase proportions, with which these should be distributed.
- the first flow path 3a is connected via first overflow openings to the overflow tube 7
- the second flow path 3b is connected via second overflow openings 8b at approximately the same height on the opposite side to the same overflow tube.
- two intermediate walls 2 are provided, which divides the distribution channel 1 in an inner flow path 3a and in two outer flow paths 3b.
- the outer flow paths 3b are each provided with second overflow openings 8b in the outer wall 9 of the distribution channel.
- the inner flow path 3a is connected to the drainage tubes 7 via first overflow openings 8a.
- the specifically heavier liquid 12a collects in the inner flow path 3a. This enters the drainpipes 7 via the overflow openings 8a, the specifically lighter liquid 12b remains in the outer flow paths 3b and exits via the overflow openings 8b.
- the distribution of the exiting on the outer walls 9 of the distribution channel 1 further liquid are provided on the outside of the distribution channel 1 each aprons 10 in the form of sheets or the like, each forming an exit slit 1 1 for the liquid with the outer wall 9 of the distribution channel.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008531687A JP2009508684A (ja) | 2005-09-23 | 2006-09-19 | 互い混合不能な2つの液体を分配するための装置及び方法 |
| US12/067,323 US20080245416A1 (en) | 2005-09-23 | 2006-09-19 | Device and Method for Distribution of Two Mutually Immiscible Liquids |
| EP06793633A EP1928567A1 (de) | 2005-09-23 | 2006-09-19 | Vorrichtung und verfahren zur verteilung zweier nicht miteinander mischbarer flüssigkeiten |
| CA 2623277 CA2623277A1 (en) | 2005-09-23 | 2006-09-19 | Device and method for distributing two liquids that cannot be mixed with each other |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200510045745 DE102005045745A1 (de) | 2005-09-23 | 2005-09-23 | Vorrichtung und Verfahren zur Verteilung zweier nicht miteinander mischbarer Flüssigkeiten |
| DE102005045745.2 | 2005-09-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2007033960A1 true WO2007033960A1 (de) | 2007-03-29 |
Family
ID=37459428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2006/066497 Ceased WO2007033960A1 (de) | 2005-09-23 | 2006-09-19 | Vorrichtung und verfahren zur verteilung zweier nicht miteinander mischbarer flüssigkeiten |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20080245416A1 (de) |
| EP (1) | EP1928567A1 (de) |
| JP (1) | JP2009508684A (de) |
| CN (1) | CN101267867A (de) |
| CA (1) | CA2623277A1 (de) |
| DE (1) | DE102005045745A1 (de) |
| WO (1) | WO2007033960A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2233183A1 (de) | 2009-03-23 | 2010-09-29 | Sulzer Chemtech AG | Flüssigkeitsverteiler |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2689266A1 (en) * | 2009-12-23 | 2011-06-23 | Aker Solutions Canada Inc. | Improved distributor |
| US9089787B2 (en) * | 2012-12-14 | 2015-07-28 | Koch-Glitsch, Lp | Distributor in mass transfer column and method of use |
| FR3016533B1 (fr) * | 2014-01-21 | 2016-01-15 | IFP Energies Nouvelles | Plateau distributeur pour colonne d'echange entre un gaz et un liquide avec deflecteur de liquide |
| CN114053842A (zh) * | 2021-10-29 | 2022-02-18 | 青岛诺诚化学品安全科技有限公司 | 一种液体沥青装车过程逸散烟气的回收系统及方法 |
| WO2025176719A1 (en) * | 2024-02-20 | 2025-08-28 | Basf Se | A process for operating a mass transfer column |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1862758A (en) * | 1929-02-09 | 1932-06-14 | Doherty Besearch Company | Art of rectification |
| US2501114A (en) * | 1947-02-27 | 1950-03-21 | Phillips Petroleum Co | Fractionation apparatus |
| US4816191A (en) * | 1988-01-19 | 1989-03-28 | Koch Engineering Company, Inc. | Distributor for liquid-gas contact column and method of preparation and use |
| US4994210A (en) * | 1990-03-01 | 1991-02-19 | Koch Engineering Company, Inc. | High efficiency distributor for gas-liquid contact column and method of preparation and use |
| US5213719A (en) * | 1992-09-28 | 1993-05-25 | Chuang Karl T | Gas-liquid contacting device |
| EP0913179A1 (de) * | 1997-10-30 | 1999-05-06 | Linde Aktiengesellschaft | Flüssigkeitsverteiler für eine Stoffaustauschkolonne |
| US6189566B1 (en) * | 1998-10-28 | 2001-02-20 | Sulzer Chemtech Ag | Liquid distributor for column packings |
| US20020079597A1 (en) * | 1999-03-19 | 2002-06-27 | Guido Bartlok | Apparatus for the collection and distribution of liquid in a column |
| EP1316345A1 (de) * | 2001-11-21 | 2003-06-04 | Air Products And Chemicals, Inc. | Flüssigkeitsverteiler mit innerem Leitelement |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7505068A (nl) * | 1974-05-29 | 1975-12-02 | Metallgesellschaft Ag | Meertraps, vertikale vloeistof-vloeistof-extrac- tieinrichting. |
| FR2813023B1 (fr) * | 2000-08-17 | 2003-10-24 | Inst Francais Du Petrole | Dispositif de distribution permettant de realiser un melange polyphasique et reacteur associe |
-
2005
- 2005-09-23 DE DE200510045745 patent/DE102005045745A1/de not_active Ceased
-
2006
- 2006-09-19 WO PCT/EP2006/066497 patent/WO2007033960A1/de not_active Ceased
- 2006-09-19 JP JP2008531687A patent/JP2009508684A/ja active Pending
- 2006-09-19 US US12/067,323 patent/US20080245416A1/en not_active Abandoned
- 2006-09-19 EP EP06793633A patent/EP1928567A1/de not_active Withdrawn
- 2006-09-19 CA CA 2623277 patent/CA2623277A1/en not_active Abandoned
- 2006-09-19 CN CNA2006800345829A patent/CN101267867A/zh active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1862758A (en) * | 1929-02-09 | 1932-06-14 | Doherty Besearch Company | Art of rectification |
| US2501114A (en) * | 1947-02-27 | 1950-03-21 | Phillips Petroleum Co | Fractionation apparatus |
| US4816191A (en) * | 1988-01-19 | 1989-03-28 | Koch Engineering Company, Inc. | Distributor for liquid-gas contact column and method of preparation and use |
| US4994210A (en) * | 1990-03-01 | 1991-02-19 | Koch Engineering Company, Inc. | High efficiency distributor for gas-liquid contact column and method of preparation and use |
| US5213719A (en) * | 1992-09-28 | 1993-05-25 | Chuang Karl T | Gas-liquid contacting device |
| EP0913179A1 (de) * | 1997-10-30 | 1999-05-06 | Linde Aktiengesellschaft | Flüssigkeitsverteiler für eine Stoffaustauschkolonne |
| US6189566B1 (en) * | 1998-10-28 | 2001-02-20 | Sulzer Chemtech Ag | Liquid distributor for column packings |
| US20020079597A1 (en) * | 1999-03-19 | 2002-06-27 | Guido Bartlok | Apparatus for the collection and distribution of liquid in a column |
| EP1316345A1 (de) * | 2001-11-21 | 2003-06-04 | Air Products And Chemicals, Inc. | Flüssigkeitsverteiler mit innerem Leitelement |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2233183A1 (de) | 2009-03-23 | 2010-09-29 | Sulzer Chemtech AG | Flüssigkeitsverteiler |
| US8814148B2 (en) | 2009-03-23 | 2014-08-26 | Sulzer Chemtech Ag | Liquid distributor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2009508684A (ja) | 2009-03-05 |
| EP1928567A1 (de) | 2008-06-11 |
| US20080245416A1 (en) | 2008-10-09 |
| CN101267867A (zh) | 2008-09-17 |
| DE102005045745A1 (de) | 2007-04-12 |
| CA2623277A1 (en) | 2007-03-29 |
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