EP1727617A1 - Gewellte überkreuz-füllungs-struktur - Google Patents

Gewellte überkreuz-füllungs-struktur

Info

Publication number
EP1727617A1
EP1727617A1 EP05739589A EP05739589A EP1727617A1 EP 1727617 A1 EP1727617 A1 EP 1727617A1 EP 05739589 A EP05739589 A EP 05739589A EP 05739589 A EP05739589 A EP 05739589A EP 1727617 A1 EP1727617 A1 EP 1727617A1
Authority
EP
European Patent Office
Prior art keywords
structure according
packing
channels
lining
primary surface
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.)
Withdrawn
Application number
EP05739589A
Other languages
English (en)
French (fr)
Inventor
Jean-Yves Thonnelier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
Air Liquide SA
LAir Liquide SA a Directoire et Conseil de Surveillance pour lEtude et lExploitation des Procedes Georges Claude
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Air Liquide SA, LAir Liquide SA a Directoire et Conseil de Surveillance pour lEtude et lExploitation des Procedes Georges Claude filed Critical Air Liquide SA
Publication of EP1727617A1 publication Critical patent/EP1727617A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/32—Packing elements in the form of grids or built-up elements for forming a unit or module inside the apparatus for mass or heat transfer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/30—Loose or shaped packing elements, e.g. Raschig rings or Berl saddles, for pouring into the apparatus for mass or heat transfer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/30—Details relating to random packing elements
    • B01J2219/302—Basic shape of the elements
    • B01J2219/30276—Sheet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/30—Details relating to random packing elements
    • B01J2219/302—Basic shape of the elements
    • B01J2219/30276—Sheet
    • B01J2219/30284—Sheet twisted
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/30—Details relating to random packing elements
    • B01J2219/302—Basic shape of the elements
    • B01J2219/30276—Sheet
    • B01J2219/30288—Sheet folded
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/30—Details relating to random packing elements
    • B01J2219/302—Basic shape of the elements
    • B01J2219/30296—Other shapes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/30—Details relating to random packing elements
    • B01J2219/304—Composition or microstructure of the elements
    • B01J2219/30408—Metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/32—Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
    • B01J2219/322—Basic shape of the elements
    • B01J2219/32203—Sheets
    • B01J2219/3221—Corrugated sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/32—Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
    • B01J2219/322—Basic shape of the elements
    • B01J2219/32203—Sheets
    • B01J2219/32213—Plurality of essentially parallel sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/32—Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
    • B01J2219/322—Basic shape of the elements
    • B01J2219/32203—Sheets
    • B01J2219/32224—Sheets characterised by the orientation of the sheet
    • B01J2219/32227—Vertical orientation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/32—Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
    • B01J2219/322—Basic shape of the elements
    • B01J2219/32203—Sheets
    • B01J2219/32237—Sheets comprising apertures or perforations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/32—Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
    • B01J2219/322—Basic shape of the elements
    • B01J2219/32203—Sheets
    • B01J2219/32237—Sheets comprising apertures or perforations
    • B01J2219/32241—Louvres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/32—Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
    • B01J2219/322—Basic shape of the elements
    • B01J2219/32203—Sheets
    • B01J2219/32248—Sheets comprising areas that are raised or sunken from the plane of the sheet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/32—Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
    • B01J2219/322—Basic shape of the elements
    • B01J2219/32203—Sheets
    • B01J2219/32255—Other details of the sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/32—Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
    • B01J2219/324—Composition or microstructure of the elements
    • B01J2219/32408—Metal
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S261/00—Gas and liquid contact apparatus
    • Y10S261/72—Packing elements

Definitions

  • the present invention relates to a corrugated-cross packing structure.
  • it relates to a cross-corrugated packing structure for material and / or heat transfer installations between a gas phase and a liquid phase, and more particularly distillation such as cryogenic distillation.
  • the invention finds a particularly advantageous application in the field of cryogenic distillation, in particular for separating gases from the air or also for separating mixtures containing hydrogen and carbon monoxide.
  • the cross-corrugated packing structure is the benchmark for organized packing. It consists of a set of modules or "packs" each of which is formed by a stack of surfaces, or bands, waved obliquely alternately in one direction and in the other.
  • each surface also called waves
  • the undulations of each surface are formed by parallel channels made from smooth or textured sheets, generally metallic, perforated or not.
  • a surface for cross-corrugated lining can be economically produced from a sheet of aluminum of standard quality by simple mechanical operations such as bending and perforation.
  • the corrugated surfaces are contained in general vertical planes.
  • the modules are most often rotated 90 ° around the axis of the column from one module to the next.
  • the wavy-cross structure has imposed itself to date as the only one allowing the construction of columns of any size without deterioration of the intrinsic efficiency observed in small size.
  • the technical problem to be solved by the object of the present invention is to provide a cross-corrugated packing structure for cryogenic distillation plants, comprising a first surface, called primary surface, having a plurality of parallel channels, which would allow decisively pushing the limits inherent in currently known structures, including that described in WO 97/16247.
  • the solution to the technical problem posed consists, according to the present invention, in that the secondary elements are formed separately from the first surface. The secondary elements can be removable.
  • the invention dissociates these two functions which are then separated into a primary corrugated-cross structure with a large mesh, necessary and sufficient to ensure the flow rate and the homogeneity of the flows, in particular in large columns, and a secondary structure, attached to the interior of the primary structure, specifically improving gas-liquid exchanges, without seeking an effect of spatial organization. More precisely, knowing that the density of a cross-corrugated lining varies in 1 / h if h is the height of the channels, the invention allows, for a target density which would be obtained with a height h for a conventional structure at a single surface, to achieve the same final density but with a distribution of the surface between the primary surface, wavy-cross, and the secondary surface housed in the channels of the primary surface.
  • FIG. 1 is a perspective view of a first embodiment of a cross-corrugated packing structure according to the invention
  • Figure 2 is a side view of the structure of Figure 1.
  • Figure 3a is a perspective view of a secondary lining element of the structure of FIG. 1.
  • FIG. 3b is a perspective view of a variant of the lining element of FIG. 3a.
  • Figure 4 is a sectional view of a variant of the structure of Figure 1 including fixing tabs.
  • Figure 5 is a perspective view of a second embodiment of cross-corrugated lining structure according to the invention.
  • Figure 6 is a side view of the structure of Figure 5.
  • Figure 7a is a top view of a secondary packing element of the structure of Figure 5.
  • Figure 7b a perspective view of the element secondary lining of Figure 7a.
  • Figure 8 is a side view of a variant of the structure of Figure 5 including fixing tabs.
  • Figure 1 is shown in perspective a portion of corrugated-crossover packing structure intended to equip cryogenic distillation installations, in particular for separating gas mixtures.
  • This structure comprises a first surface 10, or primary surface, having undulations formed, in the example of FIG. 1, by parallel channels 11 whose section has the shape of an equilateral triangle as shown in FIG. 2.
  • the structure of FIG. 1 also includes a second surface 20, or secondary surface, made up of a plurality of secondary packing elements 21, each secondary element 21 being disposed inside a channel 11 of the primary surface 10
  • the secondary packing element 21 has a periodic structure along the channel 11 of the primary surface 10.
  • the secondary elements 21 of Figures 3a and 3b can be made from flat metal strips, or fire it bacon, by cutting, perforating, and / or folding separate from the first surface. More specifically, in the exemplary embodiments of FIGS.
  • the secondary elements 21 are obtained from a strip of height 2r sectioned at regular intervals over half of its height, leaving a heel 211, 211 '.
  • the sectioned parts are alternately folded right and left equilaterally to form the wings 212 ′, 212 ′′.
  • the heel 211 ′ carries equidistant perforations 213.
  • the secondary elements 21 thus obtained are housed inside the channel 11 according to the arrangement shown in FIG. 2.
  • the elementary mesh of the structure is formed by the two sides of the equilateral triangle forming the channel 11.
  • the section per channel 11 of primary surface is proportional to ⁇ 3, r being the radius of the circle circumscribed to the equilateral triangle of FIG. 2.
  • the section of the secondary element 21 is proportional
  • the ratio (1-x) / x is lower, but remains of the order of 1.
  • the primary corrugated primary surface 10 is identical to that of FIG. 1 with an equilateral triangular elementary channel 11.
  • the elementary element 31 of the secondary surface 30 of the lining structure is cut from a strip according to the plane of FIG. 7a, then folded to form corrugations in accordance with FIG. 7b which will be housed in the channel 11
  • the section of the secondary surface 20 is here less than in the previous case.
  • We also introduce a more significant restriction of the section offered to the gas in the first example, the secondary surfaces are strictly parallel to the flow of the gas), we thereby introduce a exchange element between channels, the gas deflected by the inclined surface forming an obstacle being redirected towards the opposite channel.
  • the secondary elements 21 and 31 ' can be snapped into the channel 11 by means of tabs 40, 40' arranged on the secondary elements 21, 31 'and inserted in openings 41 formed through the walls of the channel 11.
  • tabs 40, 40' arranged on the secondary elements 21, 31 'and inserted in openings 41 formed through the walls of the channel 11.
  • Another family of solutions consists in placing twisted strips forming secondary elements with a worm structure. Whatever their shape, the secondary surfaces are therefore individual elements to be housed in each channel.
  • WO 97/1624 constitutes a happy closure of the channels at their ends: once the lining module is constructed, the secondary surface elements will be trapped in the channels, even if they are not physically attached to it. Once the secondary elements have been placed in the channels of a packing strip, one strip out of two must be turned over to mount it crossed with the previous one. The strip to be turned over may be temporarily covered by a flat face, the whole turned over on the other corrugated strip, and the flat face then removed by sliding.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
EP05739589A 2004-03-16 2005-03-10 Gewellte überkreuz-füllungs-struktur Withdrawn EP1727617A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0450520A FR2867697B1 (fr) 2004-03-16 2004-03-16 Structure de garnissage ondule-croise
PCT/FR2005/050154 WO2005092491A1 (fr) 2004-03-16 2005-03-10 Structure de garnissage ondule-croise

Publications (1)

Publication Number Publication Date
EP1727617A1 true EP1727617A1 (de) 2006-12-06

Family

ID=34896781

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05739589A Withdrawn EP1727617A1 (de) 2004-03-16 2005-03-10 Gewellte überkreuz-füllungs-struktur

Country Status (6)

Country Link
US (1) US8210505B2 (de)
EP (1) EP1727617A1 (de)
JP (1) JP2007529306A (de)
CN (1) CN1929909B (de)
FR (1) FR2867697B1 (de)
WO (1) WO2005092491A1 (de)

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JP2009504399A (ja) 2005-08-22 2009-02-05 シーメンス・ウォーター・テクノロジーズ・コーポレーション 管状マニホールドを使用して逆洗を最小化する水濾過のためのアセンブリ
FR2913353B1 (fr) 2007-03-09 2010-05-21 Inst Francais Du Petrole Garnissage structure haute performance pour colonne de mise en contact de fluides et methode de fabrication.
JP5257485B2 (ja) * 2011-05-13 2013-08-07 ダイキン工業株式会社 熱交換器
FR2995223B1 (fr) * 2012-09-11 2014-09-12 IFP Energies Nouvelles Garnissage structure haute performance pour colonne de mise en contact de fluides
FR2995224B1 (fr) * 2012-09-11 2014-09-12 IFP Energies Nouvelles Garnissage haute performance pour colonne de mise en contact de fluides
CN103480321B (zh) * 2013-08-30 2016-03-30 北京泽华化学工程有限公司 填料体及其层件、塔器和混合器
WO2015062722A1 (de) * 2013-10-30 2015-05-07 Raschig Gmbh Füllkörper, insbesondere für stoff- und/oder wärmeaustauschkolonnen oder -türme
CN106140071A (zh) * 2015-04-01 2016-11-23 梁泰安 开窗式波纹填料片
JP6327271B2 (ja) * 2015-04-17 2018-05-23 株式会社デンソー 熱交換器

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Also Published As

Publication number Publication date
CN1929909B (zh) 2013-07-17
US20080036102A1 (en) 2008-02-14
US8210505B2 (en) 2012-07-03
JP2007529306A (ja) 2007-10-25
WO2005092491A1 (fr) 2005-10-06
CN1929909A (zh) 2007-03-14
FR2867697B1 (fr) 2007-06-01
FR2867697A1 (fr) 2005-09-23

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