US3079134A - Grids for vapor-liquid contact apparatus - Google Patents

Grids for vapor-liquid contact apparatus Download PDF

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Publication number
US3079134A
US3079134A US93221A US9322161A US3079134A US 3079134 A US3079134 A US 3079134A US 93221 A US93221 A US 93221A US 9322161 A US9322161 A US 9322161A US 3079134 A US3079134 A US 3079134A
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US
United States
Prior art keywords
passages
ribs
grid
openings
horizontal
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.)
Expired - Lifetime
Application number
US93221A
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English (en)
Inventor
Francis W Winn
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.)
FRITZ W GLITSCH AND SONS Inc
Original Assignee
FRITZ W GLITSCH AND SONS Inc
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
Priority to NL275304D priority Critical patent/NL275304A/xx
Priority to NL136761D priority patent/NL136761C/xx
Application filed by FRITZ W GLITSCH AND SONS Inc filed Critical FRITZ W GLITSCH AND SONS Inc
Priority to US93221A priority patent/US3079134A/en
Priority to GB6809/62A priority patent/GB949529A/en
Priority to FR889685A priority patent/FR1316394A/fr
Priority to ES0275082A priority patent/ES275082A1/es
Priority to DE19621442694 priority patent/DE1442694A1/de
Application granted granted Critical
Publication of US3079134A publication Critical patent/US3079134A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B01D3/22—Fractionating columns in which vapour bubbles through liquid with horizontal sieve plates or grids; Construction of sieve plates or grids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
    • B01D45/08—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F25/00—Component parts of trickle coolers
    • F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
    • F28F25/08—Splashing boards or grids, e.g. for converting liquid sprays into liquid films; Elements or beds for increasing the area of the contact surface
    • F28F25/085—Substantially horizontal grids; Blocks
    • 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
    • B01J2219/32206—Flat 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
    • B01J2219/32231—Horizontal 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
    • B01J2219/32286—Grids or lattices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2245/00—Coatings; Surface treatments
    • F28F2245/08—Coatings; Surface treatments self-cleaning

Definitions

  • Another object of the invention is to provide an improved vapor-liquid contact grid for use in vacuum and other services, such as the separation of light and heavy gas oils from crude oil or crude oil residuum under vacuum for subsequent use as a feed stock in a catalytic cracking process, whereby the pressure drop is minimized and the product is of improved quality.
  • Another object of the invention is to provide an improved vapor-liquid contact grid which is of economical manufacture, which is designed structurally so as to be self-supporting over relatively long spans, and which may be formed of light gauge or sheet metal of any desired analysis ranging from carbon steel to stainless steel, nickel or copper base alloys.
  • a particular object of the invention is to provide an improved grid, of the character described, which is adapted to be formed in elongate, relatively narrow, rectangular sections to permit the passage thereof through the manholes of pressure vessels and the assembly of the sections in superimposed layers with each layer resting on the layer therebelow and oriented at any desired angle thereto, such as 30, 45, 60, or 90.
  • a important object of the invention is to provide an improved grid, of the character described, wherein each layer has a large, upright, vapor passage area which is in excess of 59% of the horizontal area of the layer and an intercommunicating, horizontal, vapor passage area between its upper and lower margins which is not less than of the upright vapor passage area of said layer.
  • a further object of the invention is to provide an improved grid, of the character described, wherein the layers are constructed so as to have structural rigidity for withstanding upward and downward loads or forces and so as to space the horizontal portions of said layers a distance apart sufiicient to insure commingling of the ascending vapors substantially throughout the entire volume or space occupied by each layer in the horizontal plane by means of openings or passages extending vertically, chordally and radially in every direction.
  • An object of the invention is to provide an improved grid, of the character described, having adequate vapor passages in the horizontal planes of the layers to insure the flow of vapor and distribution thereof within said layers and prevent maldistribution or channeling of the vapor through certain portions of said layers.
  • Another object of the invention is to provide an im proved grid, of the character described, having sufiicient surficial area for vapor-liquid contact without unduly restricting the flow of the ascending vapor or its countercurrent contact with the descending liquid.
  • a further object of the invention is to provide an improved grid, of the character described, having suflicient mass and surficial area in both the horizontal and vertical planes so that fractions of the heavy constituents are conducted downwardly in condensed form and the vapor is permitted to rise.
  • An object of the invention is to provide an improved grid, of the character described, wherein the undesirable heavy constituents of the feed stock as well as the con-carbon and metal content thereof are removed by the action of the descending liquid whereby said grid is self-cleaning.
  • Another object of the invention is to provide an improved grid, of the character described, wherein the upright vapor passages and the intercommunicating horizontal vapor passages of the grid layers are formed by a plurality of openings of desired configuration which are so arranged that the structural strength and rigidity of said layers are not impaired to an extent that would result in stresses in excess of the allowable limit of the material employed at operating temperatures and loads.
  • FIG. 1 is a transverse, vertical, sectional view of a portion of a vapor-liquid contact vessel and a grid constructed in accordance with the invention
  • FIG. 2 is an enlarged, plan view of a portion of one of the layers of the grid
  • FIG. 3 is a transverse, vertical, sectional View, taken on the line 33 of FIG. 2,
  • FIG. 4 is a transverse, vertical, sectional view, taken on the line 44 of FIG. 2,
  • FIG. 5 is a perspective view of a portion of one of the grid layers.
  • FIG. 6 is a view, similar to FIG. 3, showing a modification of the invention.
  • each layer or tier 13 is formed in elongate, relatively narrow, substantially rectangular sections 14 of sufficient length to span the distance between opposed portions of the supporting ring (FIG. 1) or intermediate supports (not shown).
  • each section 14 is structurally designed so as to be self-supporting over relatively long spans and is formed of light gauge or sheet metal of any desired analysis ranging from carbon steel to stainless steel, nickel or copper base alloy.
  • Each grid section 14 has a multiplicity of relatively large openings 15 of any desired configuration, such as the illustrated circular shape, formed therein in closelyspaced relationship (FIG. 5).
  • the section is bent longitudinally upon itself to provide a plurality of upright, longitudinal, reinforcing flanges, legs or ribs 16 and 17 of relatively narrow width which are substantially parallel and whichare connected by substantially horizontal elements or webs 18.
  • the openings are. of-such relative size that opposed portions or segments 19 and 20 thereof extend into the legs 16 and 17 and that the webs 18 are of very narrow width (FIGS. 3-5).
  • the opening portions 19 and 20. are disposed. in upright planes and form horizontal passages through the grid section as shown most clearly inFIG. 4.
  • the remainder. of. the. opening extends. horizontally and provides an upright passage through the grid section.
  • Adjacent ones of the legs extend in opposite directions, preferably, at'righ't angles to the webs 18, whereby the section has alternate upstanding and depending legs.
  • each. grid section 14 may be constructed. of a plurality of elongate, narrow members or strips 21 with each strip having a single row of the openings 15. and the upstanding and depending, coextensive legs 16 and 17 on its longitudinal margins.
  • the strips 20 are substantially Z-shaped in cross-section and have their adjacent upstanding. and depending legs welded or otherwise securedtogether. in abutting, parallel relationship (FIGS. 1-3and 5.). If desired,. how ever, e'ach grid section may be of one-piece construction' as shown bythe numeral 22' in FIG. .6.
  • the one-piece grid section 22 isbent upon itself to provide upstanding and depending, longitudinal flanges, legs or ribs 24 and 25 which are similar to the legs 16. and 17 and in which opposed portions 26 and 27 of the openings are disposed. Due to this integral construction, the adjacent or intermediateupstanding and depending legs are joinedas shown at 28 and 29 and need not be welded or otherwise secured together. It is pointed out that the one-piece and multi-piececonstructions may be combined in that,. two. or more wide strips may be utilized to. form eachsection.
  • the .widestrips may have two or more rows of openings and two or more integral legs with theirmarginal legs being welded or otherwise secured to the marginal legs of adjacent strips.
  • the open.-. ings of each grid section. are alined intransverse rows for greater strength with less material; however, it is readily apparent that said openings may bestaggered or oifset with respect to adjacent openings.
  • the gridsections 14 are installed in. the layers or tiers 13 illustrated in FIG. 1.
  • the depending legs 17 of the lowermost layer rest on the ring 11 and the overlying layer has it's depending legsv restingupon the upstanding legs 16 of .said lowermost layer.
  • This assembly of. the grid sections is. continued until the desired thickness of grid is obtained.
  • the legs of adjacent layers extend in angular relation to .one another, such. as 30, 45, 60 or. 90, the latter angular relationship being shown for simplicity of illustration.
  • the openings and webs .18 of adjacent layers .of the grid are spaced from one another and their legs 16 and 17.are prevented from nesting and from engaging the webs of one another so as to interfere'withv the horizontal passages formed by the portions 19 and of said openings. 7
  • the upright and horizontal passages of the grid sections 14 intercommunicate to permit the flow of ascendingvapor and descendingliquid through the grid 12.
  • the combined area of the upright passages of each grid layer is in excess of 50% of the horizontal area of the layer and the combined area of the horizontal passages of said layer is not less than 10% of the area of said upright passages.
  • each grid section provides structural rigidity sufiicient to withstand upward and downward loads or forcesas well as supportthe weight of the section whereby said section is self-supporting over rela tively long spans and does not flex or bend unduly under operating conditions.
  • the legs, together with the Webs 18, provide sufiicient surficial area for vapor-liquid contact without unduly restricting the flow of the ascending vapor or its counter-current contact with the descending liquid and for conducting the heavy constituents downwardly in condensed form as well as permitting the release and upward movement of vapor which is confined in bubbles or globules.
  • the grid is adapted for use'in vacuum and other services, such as the separation of light and heavy gas oils from crude oil under vacuum for subsequent use as a feed stock. in a catalytic cracking process.
  • the descending liquid contacts the entire area of the grid so as to wash off and cleanse its layers of undesirable con-carbon;
  • tramp metals and heavy or high boiling point constituents of the chemical or crude oil feed stock are collected and withdrawn from the vessel for subsequent processing or all, or a portionthereof, may be revaporized by heating and returned to said vessel. It iscontemplated'that more than one grid may be employed in a single vessel; for example, a second .grid may bemounted in the condensing zone or circulating reflux section in place of conventional fractionating trays.
  • a grid for vapor-liquid contact apparatus including a plurality of superimposed layers, each layer including a substantially horizontal portion and a plurality of spaced. reinforcing ribs upstanding and depending from the substantially horizontal portion, the depending ribs of each layer resting on the upstanding ribs of the underlying layer whereby the substantially horizontal portions ofadjacent layers are spaced apart, said substantially horizontal portions having a plurality of closely spaced openings of relatively large size to provide upright pas sages through the'layers, the openings being formed'be tween the ribs with small areas thereof extending into the inner portions of said ribs to provide substantially horizontal passages intermediate the upper and lower margins of each layer of less area than the upright passages, said ribs having continuous outer portions to reinforce said layers.
  • each layer includes a plurality of elongate relatively narrow rectangular sections disposed in side by side relationship, the reinforcing ribs extending longitudinally of and being substantially coextensive with the sections.
  • each section of the layers includes at least a pair of elongate strips, each strip having a web portion and upstanding and depending flanges at its longitudinal margins, the flanges of adjacent strips being secured together to form the reinforcing ribs.
  • each layer includes a plurality of elongate strips, each strip having a web portion and upstanding and depending flanges at its longitudinal margins, the flanges of adjacent strips being secured together to form the reinforcing ribs.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
US93221A 1961-03-03 1961-03-03 Grids for vapor-liquid contact apparatus Expired - Lifetime US3079134A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NL275304D NL275304A (xx) 1961-03-03
NL136761D NL136761C (xx) 1961-03-03
US93221A US3079134A (en) 1961-03-03 1961-03-03 Grids for vapor-liquid contact apparatus
GB6809/62A GB949529A (en) 1961-03-03 1962-02-21 Grids for vapor-liquid contact apparatus
FR889685A FR1316394A (fr) 1961-03-03 1962-03-01 Grillage pour un appareil réalisant un contact vapeur-liquide
ES0275082A ES275082A1 (es) 1961-03-03 1962-03-02 Un dispositivo de rejilla para aparatos de contacto vapor-liquido
DE19621442694 DE1442694A1 (de) 1961-03-03 1962-03-02 Gitter bei Geraeten fuer den Kontakt von Dampf und Fluessigkeit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US93221A US3079134A (en) 1961-03-03 1961-03-03 Grids for vapor-liquid contact apparatus

Publications (1)

Publication Number Publication Date
US3079134A true US3079134A (en) 1963-02-26

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US93221A Expired - Lifetime US3079134A (en) 1961-03-03 1961-03-03 Grids for vapor-liquid contact apparatus

Country Status (5)

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US (1) US3079134A (xx)
DE (1) DE1442694A1 (xx)
ES (1) ES275082A1 (xx)
GB (1) GB949529A (xx)
NL (2) NL275304A (xx)

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3222040A (en) * 1962-06-25 1965-12-07 John S Eckert Support plate for packed tower
US3343821A (en) * 1964-02-05 1967-09-26 Fritz W Glitsch & Sons Inc Grids for vapor-liquid contact apparatus
US3928513A (en) * 1971-09-14 1975-12-23 Max Leva Gas-liquid contact apparatus
US3959419A (en) * 1973-09-06 1976-05-25 Fritz W. Glitsch & Sons, Inc. Vapor-liquid contact method
US4208284A (en) * 1965-05-11 1980-06-17 Hahn Hans H Apparatus for distribution separation processes
US4339399A (en) * 1981-05-27 1982-07-13 Nutter Dale E Gas-liquid contact apparatus
US4396559A (en) * 1981-05-27 1983-08-02 Nutter Dale E Gas-liquid contact apparatus
US4557876A (en) * 1984-01-04 1985-12-10 Nutter Dale E Gas-liquid contact apparatus and method of making it
US5051214A (en) * 1989-01-13 1991-09-24 Glitsch, Inc. Double-deck distributor and method of liquid distribution
US5057250A (en) * 1990-11-27 1991-10-15 Glitsch, Inc. Tower packing with small louvers
US5080836A (en) * 1990-11-27 1992-01-14 Glitsch, Inc. Tower packing with small and large louvers
US5106544A (en) * 1990-01-31 1992-04-21 Glitsch, Inc. Method of and apparatus for vapor distribution
US5118449A (en) * 1991-05-13 1992-06-02 Glitsch, Inc. Method of and apparatus for cartridge tray sealing
US5120474A (en) * 1989-03-08 1992-06-09 Glitsch, Inc. Valve-tray assembly
US5164125A (en) * 1989-03-08 1992-11-17 Glitsch, Inc. Method and apparatus for downcomer-tray operation
US5185106A (en) * 1990-11-27 1993-02-09 Glitsch, Inc. Tower packing with small louvers and mixing method
US5188773A (en) * 1990-11-27 1993-02-23 Glitsch, Inc. Tower packing with small and large louvers and mixing method
US5192465A (en) * 1991-02-05 1993-03-09 Glitsch, Inc. Method of and apparatus for liquid distribution
US5516465A (en) * 1993-08-04 1996-05-14 Koch Engineering Company, Inc. Method and apparatus for vapor distribution in mass transfer and heat exchange columns
US5547617A (en) * 1995-03-31 1996-08-20 Glitsch, Inc. Apparatus for increasing effective active area
US5605654A (en) * 1993-08-04 1997-02-25 Koch Engineering Company, Inc. Method and apparatus to improve vapor distribution in mass transfer and heat exchange columns
US5632933A (en) * 1993-08-04 1997-05-27 Koch Engineering Company, Inc. Method and apparatus using guide vanes for vapor distribution in mass transfer and heat exchange columns
US5695548A (en) * 1995-11-13 1997-12-09 Trutna; William R. Method and apparatus for producing co-current fluid contact
US5702647A (en) * 1995-03-31 1997-12-30 Koch Enterprises, Inc. Multiple downcomer high performance tray assembly

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10127022B4 (de) * 2001-06-01 2005-12-01 P21 - Power For The 21St Century Gmbh Lochplatte und Verfahren zu ihrer Herstellung sowie einen Reaktor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2515090A (en) * 1946-03-19 1950-07-11 Mo Och Domsjoe Ab Fractionating column
US2767966A (en) * 1953-05-06 1956-10-23 Stone & Webster Eng Corp Perforated bubble tray
US2918265A (en) * 1955-07-22 1959-12-22 Mississippi River Fuel Corp Rectification apparatus
US2998234A (en) * 1953-11-12 1961-08-29 Haselden Geoffrey Gordon Gas/liquid contacting apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2515090A (en) * 1946-03-19 1950-07-11 Mo Och Domsjoe Ab Fractionating column
US2767966A (en) * 1953-05-06 1956-10-23 Stone & Webster Eng Corp Perforated bubble tray
US2998234A (en) * 1953-11-12 1961-08-29 Haselden Geoffrey Gordon Gas/liquid contacting apparatus
US2918265A (en) * 1955-07-22 1959-12-22 Mississippi River Fuel Corp Rectification apparatus

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3222040A (en) * 1962-06-25 1965-12-07 John S Eckert Support plate for packed tower
US3343821A (en) * 1964-02-05 1967-09-26 Fritz W Glitsch & Sons Inc Grids for vapor-liquid contact apparatus
US4208284A (en) * 1965-05-11 1980-06-17 Hahn Hans H Apparatus for distribution separation processes
US3928513A (en) * 1971-09-14 1975-12-23 Max Leva Gas-liquid contact apparatus
US3959419A (en) * 1973-09-06 1976-05-25 Fritz W. Glitsch & Sons, Inc. Vapor-liquid contact method
US4339399A (en) * 1981-05-27 1982-07-13 Nutter Dale E Gas-liquid contact apparatus
US4396559A (en) * 1981-05-27 1983-08-02 Nutter Dale E Gas-liquid contact apparatus
US4557876A (en) * 1984-01-04 1985-12-10 Nutter Dale E Gas-liquid contact apparatus and method of making it
US5051214A (en) * 1989-01-13 1991-09-24 Glitsch, Inc. Double-deck distributor and method of liquid distribution
US5277848A (en) * 1989-03-08 1994-01-11 Glitsch, Inc. Method and apparatus for downcomer tray operation
US5120474A (en) * 1989-03-08 1992-06-09 Glitsch, Inc. Valve-tray assembly
US5164125A (en) * 1989-03-08 1992-11-17 Glitsch, Inc. Method and apparatus for downcomer-tray operation
US5106544A (en) * 1990-01-31 1992-04-21 Glitsch, Inc. Method of and apparatus for vapor distribution
US5188773A (en) * 1990-11-27 1993-02-23 Glitsch, Inc. Tower packing with small and large louvers and mixing method
US5185106A (en) * 1990-11-27 1993-02-09 Glitsch, Inc. Tower packing with small louvers and mixing method
US5080836A (en) * 1990-11-27 1992-01-14 Glitsch, Inc. Tower packing with small and large louvers
US5057250A (en) * 1990-11-27 1991-10-15 Glitsch, Inc. Tower packing with small louvers
US5192465A (en) * 1991-02-05 1993-03-09 Glitsch, Inc. Method of and apparatus for liquid distribution
US5118449A (en) * 1991-05-13 1992-06-02 Glitsch, Inc. Method of and apparatus for cartridge tray sealing
US5516465A (en) * 1993-08-04 1996-05-14 Koch Engineering Company, Inc. Method and apparatus for vapor distribution in mass transfer and heat exchange columns
US5605654A (en) * 1993-08-04 1997-02-25 Koch Engineering Company, Inc. Method and apparatus to improve vapor distribution in mass transfer and heat exchange columns
US5632933A (en) * 1993-08-04 1997-05-27 Koch Engineering Company, Inc. Method and apparatus using guide vanes for vapor distribution in mass transfer and heat exchange columns
US5547617A (en) * 1995-03-31 1996-08-20 Glitsch, Inc. Apparatus for increasing effective active area
US5702647A (en) * 1995-03-31 1997-12-30 Koch Enterprises, Inc. Multiple downcomer high performance tray assembly
US5695548A (en) * 1995-11-13 1997-12-09 Trutna; William R. Method and apparatus for producing co-current fluid contact

Also Published As

Publication number Publication date
NL275304A (xx)
ES275082A1 (es) 1962-10-01
GB949529A (en) 1964-02-12
DE1442694A1 (de) 1968-11-28
NL136761C (xx)

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