US3232590A - Treating tower having a plate for collecting, mixing and distributing liquid - Google Patents

Treating tower having a plate for collecting, mixing and distributing liquid Download PDF

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US3232590A
US3232590A US381191A US38119164A US3232590A US 3232590 A US3232590 A US 3232590A US 381191 A US381191 A US 381191A US 38119164 A US38119164 A US 38119164A US 3232590 A US3232590 A US 3232590A
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liquid
plate
tower
chamber
wall
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US381191A
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John S Eckert
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United States Stoneware Co
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Us Stoneware Co
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/21—Mixing gases with liquids by introducing liquids into gaseous media
    • B01F23/214—Mixing gases with liquids by introducing liquids into gaseous media using a gas-liquid mixing column or tower
    • 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

Definitions

  • This invention relates to a plate in a packed tower designed for the counter-current flow of a gas and liquid therethrough.
  • the plate is located at an intermediate position in the tower, and it may take different forms. Risers extend upwardly from it and it supports a support plate, thereby providing a chamber for various functions such as collecting liquid to be drawn off from the tower, introducing fresh liquid at that level in the tower, etc.
  • the plate of this invention includes a wall near its edge, and if the tower is cylindrical the wall is annular and forms an annular chamber with the tower. Openings may be provided in the wall for the passage of liquid from the space inside the wall to the annular chamber, and vice versa. There is usually at least one opening in the tower itself, at or above the level of the plate for drawing liquid away from the annular chamber, or for feeding liquid to the annular chamber. the plate is to be used only as a redistribution mixer no opening is required in the tower itself.
  • the openings in the annular wall may be at various heights except that the uppermost openings will usually be at about the height of the opening in the tower; and when there is a downcomer from the plate with its upper end above the plate and it is intended that some liquid flow through the openings in the wall and some through the downcomer simultaneously, all of the openings in the wall will be at about the level of the effective top of the downcomer, and if there is a weir at the top of the downcomer, the openings in the wall will be at about the level of the bottom of the weir.
  • the top of the downcomer may be level with the plate so that all of the liquid on the plate drains through the downcomer. In one type of plate there is no downcomer. If there is a downcomer, some sort of distributor is usually located below it.
  • FIGURE 1 is a plan view of the plate shown in FIGURE 2; and FIGURE 2 is a section on the line 22 of FIGURE 1;
  • FIGURE 1A is a plan view of amodified plate;
  • FIGURE 3 is a plan view of the plate shown in FIGURE 4 and
  • FIGURE 4 is a section on the line 44 of FIGURE 3;
  • FIGURE 5 is a plan view of the plate shown in FIGURE 6 and FIGURE 6 is a section on the line 6-6 of FIGURE 5;
  • FIGURE 7 is a plan view of the plate shown in FIGURE 8;
  • FIGURE 8 is a section on the line 88 of FIGURE 7; and
  • FIGURE 9 is a section through a tower containing the plate of FIGURE 4.
  • the plate 5 rests on the annular ring support 7 which encircles the inside of the tower and which may be gasketed at 6. Any liquid-tight construction can be used which prevents liquid which collects on plate 5 from draining to the lower part of the tower.
  • risers 10 Gases collecting in the lower portion of the tower pass up through risers 10.
  • the risers are advantageously about the same height as the annular wall 12 of the plate, and they may be somewhat higher if a support plate of the type shown in the drawings is used. Any suitable However, when 3,232,590 Patented Feb. 1, 1966 type of support plate can be used to hold tower packing material. If a support plate of the type shown in dotdash lines and identified by the numeral 13 is used, it rests on the wall 12, and the risers are advantageously located in rows, and made high enough to protrude through elongated openings in the plate 13 under channels 14. The walls of the channels are perforated, and the tops may also be perforated. Perforations or other openings are provided in the base of plate 13 to permit liquid which collects there to drain on to the plate 5.
  • the wall 12 is spaced inwardly from the edge of the plate 5.
  • the top 16 of the wall 12 overhangs the annular chamber 13 between this wall and the cylindrical wall 19 of the tower. This provides a cover for the chamber 18 as well as a bearing area for the support plate 13. If there is no such overhang the plate 13 may seal off the top of the chamber 18, or the top of the chamber may be open. Openings 20 in the wall 12 permit interchange of liquid between the space inside the wall and the chamber 18.
  • the nozzle or pipe 22 serves as a drawoff.
  • the plate 5 is located intermediate the top and the bottom of the tower. There may, for example, be three such plates spaced at intervals in the tower. This would permit gases passing up through the tower to be washed successively by three different liquids, each of which would be separately collected. In this case, fresh, liquid is introduced into the tower through an inlet 25 below each plate.
  • the wash liquid collected on the plate may be drawn off the tower, heated or cooled or otherwise treated, and then be returned to the tower through inlet 25 for further treatment of the gases.
  • FIGURE 1A illustrates an alternative construction in which the area of the plate 5' within the wall 12 is perforated.
  • the perforations are so small that a shallow layer of liquid collects on the plate. Liquid collected on different areas of the plate 5 is mixed on the plate as it is collected, and it drains through the perforations 27 which are distributed over the whole plate area. Thus, the liquid collected on the perforated plate is mixed and distributed widely over the entire cross-sectional area of the packing material located directly beneath it.
  • a plurality of such perforated plates located at different levels within a tower, between beds of packing elements, provide for repeated collection, mixing and redistribution of the liquid as it flows down through the tower without the use of a conventional distributor.
  • the plate of this invention may be provided with a downcomer 30 as shown in FIGURES 3 and 4. Its top is flush with the bottom 31 of the plate 32.
  • the nozzle 35 is advantageously used for introducing liquid into the tower for intermingling with liquid which has already collected on the plate. This added liquid may be the same as that in the tower or it may react with the liquid in the tower or may merely be mixed with it.
  • the openings 36 in the annular wall are all of the same height so that the incoming liquid collects first in the annular chamber 38 and is fed into the tower from all sides through openings 36 to be mixed with the liquid on the plate.
  • the openings 36 are advantageously, although not necessarily ldcate'd above the maximum height of the liquid collected on the plate.
  • the risers 39 which are covered with a support plate for the tower packing (shown in dot-dash lines), keep the up-flowing gases separate from the liquid which has collected on the plate.
  • the downcomer 30 advantageously feeds into any suitable type of distributor.
  • This may be a notched trough distributor such as that shown in dot-dash lines and identified by the reference numeral 40.
  • the downcomer may extend up through the bottom 51 of the plate and have an effective height approximately that of the openings 52 in the annular wall 53.
  • the top of the downcomer may be flat or it may be provided with a weir opening.
  • the downcomer is shown as provided with a cap 54 in which is the V-opening 55 through which a greater or smaller volume of liquid flows, depending upon the height of the liquid on the plate.
  • the downcomer advantageously feeds into a distributor.
  • a tower provided with a plate such as that shown in FIGURES 5 and 6 is advantageously provided with a support plate and a distributor plate of suitable design.
  • the openings through the wall need not be located as shown, but may be mere arches or the like in the bottom of the wall. There need be no openings in the wall, and then liquid may collect in the annular chamber 73 until it is full and remain there. The gases pass up through the risers 80.
  • the plate 70 serves as a redistributor to collect liquid that may have been channeled through one section of the tower and concentrated in greater volume there than elsewhere. All of the liquid is collected on plate 70 and redistributed by means of a distributor 78.
  • the plate 70 collects all of the Collection and redistribution of the liquid is most efiicien-tly done by keeping the packing on the support plate away from the plate 70. This is a characteristic of each of the various embodiments of the invention illustrated herein.
  • FIGURE 9 shows the plate of FIGURE 4 in tower 8%) with the lower pans of distributor 4t) resting on a ledge below the ledge which supports the plate.
  • the plate is removably supported within the tower, and this is the preferred construction.
  • the plate may be of metal, ceramic or plastic composition.
  • a gas-and-liquid treating tower for countercurrent flow of gas and liquid therethrough, means for flowing gas upwardly and liquid downwardly in said tower, the tower having an upwardly extending peripheral wall, and in the tower a liquid-mixing chamber which is transversely disposed across said tower and open above whereby it collects throughout the entire extent of said chamber, liquids of different properties flowing downwardly in a plurality of paths spaced laterally from one another across said tower, said chamber comprising (a) a plate which forms the bottom of said chamber and is positioned horizontally in said treating tower and in liquid-sealing contact at its peripheral edge with respect to the upwardly extending wall of said tower,
  • each riser having an upwardly extending, encircling side wall in gas-tight contact with the edge of the riser opening in said plate associated therewith to provide a passageway through said mixing chamber into a region thereabove for gas flowing upwardly in said tower,
  • said plate having a flat upper surface bounded at the edge thereof by an upwardly extending continuous wall mounted on said plate and surrounding said risers and spaced inwardly from the peripheral edge of said plate, and providing an inner liquid-collecting chamber and an .outer liquid-collecting chamber, said chambers being in side by-side relation at substantially a common level in said tower,
  • said continuous wall being provided with a plu .rality of spaced openings to perm-it the flow of liquid therethrough between said inner and outer liquid-collecting chambers of liquids of ditferent properties collected in said chambers,
  • said risers being spaced from one another and being spaced inwardly from said continuous wall, and being located away from the edge of the plate and being so distributed that in the various directions in which liquid reaching various locations on the plate in said inner liquid-collecting chamber is adapted to flow, there is at least one of said risers which diverts the liquid flow across the plate and liquid flowing in various directions on the plate is mixed,
  • liquids of different properties collected in said inner and outer liquid-collecting chambers are thor- 'oughly mixed by the ilow of liquid through said openings in said upwardly extending continuous wall and by diversion of the liquid flowing across said inner chamber by said risers.
  • a tower of claim 1 in which the upwardly extending peripheral tower wall is cylindrical and said horizontally positioned plate and said upwardly extending continuous wall of said chamber are circular and provide an annular outer liquid-collecting chamber adjacent said cylindrical tower wall.
  • a tower of claim 1 in which a separable cover plate overlies said inner chamber and said outer chamber, and said cover plate has a peripheral edge spaced from the tower wall and is supported on said continuous wall, said cover plate being provided with covered openings above said risers which prevent the liquids of different properties descending in said treating tower from entering the risers.
  • a tower of claim 1 in which the plate is perforated in the area within the said continuous wall, and liquid collected on the plate drains therethrough.
  • a tower of claim 1 in which there is a draw-off opening through the peripheral tower wall, and the chamber is in substantially the plane of the draw-01f opening and the draw-off opening is in communication with the outer of said liquid-collecting chambers.
  • a tower of claim 1 in which said plate is provided with an opening extending therethrough, which opening is located in the portion thereof surrounded by said continuous wall, and there is a downcomer at said opening which withdraws liquid from said mixing chamber.
  • a tower of claim 6 in which a cap is mounted on the FOREIGN PATENTS plate at said opening associated with said downcorner. 290 553 5/1928 Great Britain 8.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Description

0 l 9 a n m m m S 6 M h s m 5 I T C m m CU T m R R E m KmT. M m SA JM ID m A R E w 0 T G m T 4 A 6 E 9 1 T J 9 8 1 y 1 9 u 1 J h m e n F F IN VEN TOR JOHN S. ECKERT FIG. 2
ATTORNEY Feb. 1, 1966 .1. s. E ERT 3,232,590 TREATING TOWER HAV A PL T FOR LLECTING, MIXING AND TRIBU'IING L ID Filed July 8, 1964 5 Sheets-Sheet 2 F, 4 BY JOHN ATTORNEY J. s. ECKERT 3,232,590 NG A PLATE FOR IXING 5 Sheets-Sheet 3 Feb. 1, 1966 TREATING TOWER HAVI COLLECTING, M AND DISTRIBUTING LIQUID Filed July 8, 1964 FIG.5
INVENTOR. JO N S. ECKERT BY Z FIG. 6
ATTORNEY Feb. 1, 1966 J. 5. ECKERT 3,232,590
TREATING TOWER HAVING A PLATE FOR COLLECTING, MIXING AND DISTRIBUTING LIQUID Filed July 8, 1964 5 Sheets-Sheet 4 INVENTOR. N S. ECKERT fw FIG. 8
ATTORNEY United States Patent Ofllice 3,232,590 TREATING TOWER HAVING A PLATE FUR COLLECTING, MIXING AND DISTRIBUTING LIQUID John S. Eclrert, Silver Lake, Ohio, assignor to The United States Stoneware Company, Tallmadge, Ohio, a corporation of Ohio Filed July 8, 1964, Ser. No. 381,191 8 Claims. (Cl. 261-97) This application is a continuation-in-part of my application Serial No. 169,491 filed January 29, 1962.
This invention relates to a plate in a packed tower designed for the counter-current flow of a gas and liquid therethrough.
The plate is located at an intermediate position in the tower, and it may take different forms. Risers extend upwardly from it and it supports a support plate, thereby providing a chamber for various functions such as collecting liquid to be drawn off from the tower, introducing fresh liquid at that level in the tower, etc.
The plate of this invention includes a wall near its edge, and if the tower is cylindrical the wall is annular and forms an annular chamber with the tower. Openings may be provided in the wall for the passage of liquid from the space inside the wall to the annular chamber, and vice versa. There is usually at least one opening in the tower itself, at or above the level of the plate for drawing liquid away from the annular chamber, or for feeding liquid to the annular chamber. the plate is to be used only as a redistribution mixer no opening is required in the tower itself. The openings in the annular wall may be at various heights except that the uppermost openings will usually be at about the height of the opening in the tower; and when there is a downcomer from the plate with its upper end above the plate and it is intended that some liquid flow through the openings in the wall and some through the downcomer simultaneously, all of the openings in the wall will be at about the level of the effective top of the downcomer, and if there is a weir at the top of the downcomer, the openings in the wall will be at about the level of the bottom of the weir. Alternatively, the top of the downcomer may be level with the plate so that all of the liquid on the plate drains through the downcomer. In one type of plate there is no downcomer. If there is a downcomer, some sort of distributor is usually located below it.
The invention is further described in the accompanying drawings, in which FIGURE 1 is a plan view of the plate shown in FIGURE 2; and FIGURE 2 is a section on the line 22 of FIGURE 1; FIGURE 1A is a plan view of amodified plate; FIGURE 3 is a plan view of the plate shown in FIGURE 4 and FIGURE 4 is a section on the line 44 of FIGURE 3; FIGURE 5 is a plan view of the plate shown in FIGURE 6 and FIGURE 6 is a section on the line 6-6 of FIGURE 5; FIGURE 7 is a plan view of the plate shown in FIGURE 8; FIGURE 8 is a section on the line 88 of FIGURE 7; and FIGURE 9 is a section through a tower containing the plate of FIGURE 4.
In FIGURES 1 and 2 the plate 5 rests on the annular ring support 7 which encircles the inside of the tower and which may be gasketed at 6. Any liquid-tight construction can be used which prevents liquid which collects on plate 5 from draining to the lower part of the tower.
Gases collecting in the lower portion of the tower pass up through risers 10. The risers are advantageously about the same height as the annular wall 12 of the plate, and they may be somewhat higher if a support plate of the type shown in the drawings is used. Any suitable However, when 3,232,590 Patented Feb. 1, 1966 type of support plate can be used to hold tower packing material. If a support plate of the type shown in dotdash lines and identified by the numeral 13 is used, it rests on the wall 12, and the risers are advantageously located in rows, and made high enough to protrude through elongated openings in the plate 13 under channels 14. The walls of the channels are perforated, and the tops may also be perforated. Perforations or other openings are provided in the base of plate 13 to permit liquid which collects there to drain on to the plate 5.
The wall 12 is spaced inwardly from the edge of the plate 5. The top 16 of the wall 12 overhangs the annular chamber 13 between this wall and the cylindrical wall 19 of the tower. This provides a cover for the chamber 18 as well as a bearing area for the support plate 13. If there is no such overhang the plate 13 may seal off the top of the chamber 18, or the top of the chamber may be open. Openings 20 in the wall 12 permit interchange of liquid between the space inside the wall and the chamber 18. The nozzle or pipe 22 serves as a drawoff.
The plate 5 is located intermediate the top and the bottom of the tower. There may, for example, be three such plates spaced at intervals in the tower. This would permit gases passing up through the tower to be washed successively by three different liquids, each of which would be separately collected. In this case, fresh, liquid is introduced into the tower through an inlet 25 below each plate.
In such a tower the wash liquid collected on the plate may be drawn off the tower, heated or cooled or otherwise treated, and then be returned to the tower through inlet 25 for further treatment of the gases.
FIGURE 1A illustrates an alternative construction in which the area of the plate 5' within the wall 12 is perforated. The perforations are so small that a shallow layer of liquid collects on the plate. Liquid collected on different areas of the plate 5 is mixed on the plate as it is collected, and it drains through the perforations 27 which are distributed over the whole plate area. Thus, the liquid collected on the perforated plate is mixed and distributed widely over the entire cross-sectional area of the packing material located directly beneath it. A plurality of such perforated plates located at different levels within a tower, between beds of packing elements, provide for repeated collection, mixing and redistribution of the liquid as it flows down through the tower without the use of a conventional distributor.
The plate of this invention may be provided with a downcomer 30 as shown in FIGURES 3 and 4. Its top is flush with the bottom 31 of the plate 32. The nozzle 35 is advantageously used for introducing liquid into the tower for intermingling with liquid which has already collected on the plate. This added liquid may be the same as that in the tower or it may react with the liquid in the tower or may merely be mixed with it. The openings 36 in the annular wall are all of the same height so that the incoming liquid collects first in the annular chamber 38 and is fed into the tower from all sides through openings 36 to be mixed with the liquid on the plate. The openings 36 are advantageously, although not necessarily ldcate'd above the maximum height of the liquid collected on the plate. The risers 39 which are covered with a support plate for the tower packing (shown in dot-dash lines), keep the up-flowing gases separate from the liquid which has collected on the plate.
The downcomer 30 advantageously feeds into any suitable type of distributor. This may be a notched trough distributor such as that shown in dot-dash lines and identified by the reference numeral 40.
liquid and blends it together.
As shown in FIGURES -6, the downcomer may extend up through the bottom 51 of the plate and have an effective height approximately that of the openings 52 in the annular wall 53. The top of the downcomer may be flat or it may be provided with a weir opening. In the drawings, the downcomer is shown as provided with a cap 54 in which is the V-opening 55 through which a greater or smaller volume of liquid flows, depending upon the height of the liquid on the plate. The downcomer advantageously feeds into a distributor.
With a plate having a downcomer with such a V-opening as that shown in FIGURES 5 and 6, the volume of liquid which flows through the downcomer is relatively constant. If the amount of liquid collected on the plate reaches the height of the openings 52, the excess flows through these openings into chamber 57, and eventually is drawn off through the outlet 58. If. the amount of liquid diminishes, so that the level of the liquid on the plate falls below openings 52, all of the liquid flows through .the downcomer, and the V-opening keeps the flow relatively constant. Risers separate the upfiowing gases from the liquid on the plate. A tower provided with a plate such as that shown in FIGURES 5 and 6 is advantageously provided with a support plate and a distributor plate of suitable design.
There is no opening through the tower at the level of the plate shown in FIGURES '7 and 8. Liquid drains down through the packing on the support plate 72, and through openings in the support plate. Liquid also runs down the wall of the tower. Some may collect in the annular chamber 73. If there are openings in the wall 74, such as openings 75, liquid that collects in the chamber 73 will flow through the wall on to the plate 70, and
eventually down through the downcomer 77 on to the distributor 78. The openings through the wall need not be located as shown, but may be mere arches or the like in the bottom of the wall. There need be no openings in the wall, and then liquid may collect in the annular chamber 73 until it is full and remain there. The gases pass up through the risers 80. The plate 70 serves as a redistributor to collect liquid that may have been channeled through one section of the tower and concentrated in greater volume there than elsewhere. All of the liquid is collected on plate 70 and redistributed by means of a distributor 78. Channeling of liquid, such as just mentioned, is objectionable because it does not provide uniform treatment of the gases, and liquid which has had more intimate contact with the gases is, as a result, of different composition from liquid that has washed the gases less efficiently. The plate 70 collects all of the Collection and redistribution of the liquid is most efiicien-tly done by keeping the packing on the support plate away from the plate 70. This is a characteristic of each of the various embodiments of the invention illustrated herein.
FIGURE 9 shows the plate of FIGURE 4 in tower 8%) with the lower pans of distributor 4t) resting on a ledge below the ledge which supports the plate.
There may be several plates of any one or more of the various types disclosed herein at different levels in a single .tower.
In each of the constructions shown, the plate is removably supported within the tower, and this is the preferred construction. The plate may be of metal, ceramic or plastic composition.
The invention is covered in the claims which follow.
What I claim is:
1. A gas-and-liquid treating tower for countercurrent flow of gas and liquid therethrough, means for flowing gas upwardly and liquid downwardly in said tower, the tower having an upwardly extending peripheral wall, and in the tower a liquid-mixing chamber which is transversely disposed across said tower and open above whereby it collects throughout the entire extent of said chamber, liquids of different properties flowing downwardly in a plurality of paths spaced laterally from one another across said tower, said chamber comprising (a) a plate which forms the bottom of said chamber and is positioned horizontally in said treating tower and in liquid-sealing contact at its peripheral edge with respect to the upwardly extending wall of said tower,
(b) said plate being provided with a plurality of riser openings extending therethrough,
(c) a riser mounted on said plate at each of said riser openings therein,
(d) each riser having an upwardly extending, encircling side wall in gas-tight contact with the edge of the riser opening in said plate associated therewith to provide a passageway through said mixing chamber into a region thereabove for gas flowing upwardly in said tower,
(c) said plate having a flat upper surface bounded at the edge thereof by an upwardly extending continuous wall mounted on said plate and surrounding said risers and spaced inwardly from the peripheral edge of said plate, and providing an inner liquid-collecting chamber and an .outer liquid-collecting chamber, said chambers being in side by-side relation at substantially a common level in said tower,
(f) the bottom of at least one of said inner and outer chambers being irnper-forate,
g) said continuous wall being provided with a plu .rality of spaced openings to perm-it the flow of liquid therethrough between said inner and outer liquid-collecting chambers of liquids of ditferent properties collected in said chambers,
(h) said risers being spaced from one another and being spaced inwardly from said continuous wall, and being located away from the edge of the plate and being so distributed that in the various directions in which liquid reaching various locations on the plate in said inner liquid-collecting chamber is adapted to flow, there is at least one of said risers which diverts the liquid flow across the plate and liquid flowing in various directions on the plate is mixed,
whereby liquids of different properties collected in said inner and outer liquid-collecting chambers are thor- 'oughly mixed by the ilow of liquid through said openings in said upwardly extending continuous wall and by diversion of the liquid flowing across said inner chamber by said risers.
2. A tower of claim 1 in which the upwardly extending peripheral tower wall is cylindrical and said horizontally positioned plate and said upwardly extending continuous wall of said chamber are circular and provide an annular outer liquid-collecting chamber adjacent said cylindrical tower wall.
3. A tower of claim 1 in which a separable cover plate overlies said inner chamber and said outer chamber, and said cover plate has a peripheral edge spaced from the tower wall and is supported on said continuous wall, said cover plate being provided with covered openings above said risers which prevent the liquids of different properties descending in said treating tower from entering the risers.
4. A tower of claim 1 in which the plate is perforated in the area within the said continuous wall, and liquid collected on the plate drains therethrough.
5. A tower of claim 1 in which there is a draw-off opening through the peripheral tower wall, and the chamber is in substantially the plane of the draw-01f opening and the draw-off opening is in communication with the outer of said liquid-collecting chambers.
6. A tower of claim 1 in which said plate is provided with an opening extending therethrough, which opening is located in the portion thereof surrounded by said continuous wall, and there is a downcomer at said opening which withdraws liquid from said mixing chamber.
5 5 7. A tower of claim 6 in which a cap is mounted on the FOREIGN PATENTS plate at said opening associated with said downcorner. 290 553 5/1928 Great Britain 8. A tower of claim 7 in which said cap is provided with a sidewall having a downwardly converging V- OTHER REFERENCES Shaped flQtCh- 5 Support Plates, Distributors, and Holddown Plates for Packed Towers, U.S. Stoneware C0,, Akron 9, Ohio, De-
References Cited by the Examiner sign Manual TA-40 R, copyright 1960, pages 1 to '31.
UNITED STATES PATENTS 1,728,440 9/1929 Otto X ROBERT F. BURNETT, Przmary Examiner- 2,815,532 12/1957 Braunlieh 259-4X 10 HARRY B. THORNTON, RONALD R. WEAVER, 3,016,234 1/ 1962 Huppmeier 26198 Examiners.

Claims (1)

1. A GAS-AND-LIQUID TREATING TOWER FOR COUNTERCURRENT FLOW OF GAS AND LIQUID THERETHROUGH, MEANS FOR FLOWING GAS UPWARDLY AND LIQUID DOWNWARDLY IN SAID TOWER, THE TOWER HAVING AN UPWARDLY EXTENDING PERIPHERAL WALL, AND IN THE TOWER A LIQUID-MIXING CHAMBER WHICH IS TRANSVERSELY DISPOSED ACROSS SAID TOWER AND OPEN ABOVE WHEREBY IT COLLECTS THROUGHOUT THE ENTIRE ENTENT OF SAID CHAMBER, LIQUIDS OF DIFFERENT PROPERTIES FLOWING DOWNWARDLY IN A PLURALITY OF PATHA SPACED LATERALLY FROM ONE ANOTHER ACROSS SAID TOWER, SAID CHAMBER COMPRISING (A) A PLATE WHICH FORMS THE BOTTOM OF SAID CHAMBER AND IS POSITIONED HORIZONTALLY IN SAID TREATING TOWER AND IN LIQUID-SEALING CONTACT AT ITS PERIHERAL EDGE WITH RESPECT TO THE UPWARDLY EXTENDING WALL OF SAID TOWER, (B) SAID PLATE BEING PROVIDED WITH A PLURALITY OF RISER OPENINGS EXTENDING THERETHROUGH, (C) A RISER MOUNTED ON SAID PLATE AT EACH OF SAID RISER OPENINGS THEREIN, (D) EACH RISER HAVING AN UPWARDLY EXTENDING, ENCIRCLING SIDE WALL IN GAS-TIGHT CONTACT WITH THE EDGE OF THE RISER OPENING IN SAID PLATE ASSOCIATED THEREWTIH TO PROVIDE A PASSAGEWAY THROUGH SAID MIXING CHAMBER INTO A REGION THEREABOVE FOR GAS FLOWING UPWARDLY IN SAID TOWER, (E) SAID PLATE HAVING A FLAT UPPER SURFACE BOUNDED AT THE EDGE THEREOF BY AN UPWARDLY EXTENDING CONTINUOUS WALL MOUNTED ON SAID PLATE AND SURROUNDING SAID RISERS AND SPACED INWARDLY FROM THE PERIPHERAL EDGE OF SAID PLATE, AND PRODIVIDNG AN INNER LIQUID-COLLECTING CHAMBER AND AN OUTER LIQUID-COLLECTING CHAMBER, SAID CHAMBERS BEING IN SIDE-BY-SIDE RELATION AT SUBSTANTIALLY A COMMON LEVEL IN SAID TOWER, (F) THE BOTTOM OF AT LEAST ONE OF SAID INNER AND OUTER CHAMBERS BEING IMPERFORATE, (G) SAID CONTINUOUS WALL BEING PROVIDED WITH A PLURALITY OF SPACED OPENINGS TO PERMIT THE FLOW OF LIQUID THERETHROUGH BETWEEN SAID INNER AND OUTER LIQUID-COLLECTING CHAMBERS OF LIQUIDS OF DIFFERENT PROPERTIES COLLECTED IN SAID CHAMBERS, (H) SAID RISERS BEING SPACED FROM ONE ANOTHER AND BEING SPACED INWARDLY FROM SAID CONTINUOUS WALL, AND BEING LOCATED AWAY FROM THE EDGE OF THE PLATE AND BEING SO DISTRIBUTED THAT IN THE VARIOUS DIRECTIONS IN WHICH LIQUID REACHING VARIOUS LOCATIONS ON THE TO FLOW, THERE IS AT LEAST ONE OF SAID RISERS WHICH DIVERTS THE LIQUID FLOW ACROSS THE PLACE AND LIQUID FLOWING IN VARIOUS DIRECTIONS ON THE PLATE IS MIXED, WHEREBY LIQUIDS OF DIFFERENT PROPERTIES COLLECTED IN SAID INNER AND OUTER LIQUID-COLLECTING CHAMBERS ARE THOROUGHLY MIXED BY THE FLOW OF LIQUID THROUGH SAID OPENINGS IN SAID UPWARDLY EXTENDING CONTINUOUS WALL AND BY DIVERSION OF THE LIGHT FLOWIN G ACROSS SAID INNER CHAMBER BY SAID RISERS.
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Cited By (18)

* Cited by examiner, † Cited by third party
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US3936382A (en) * 1973-11-21 1976-02-03 Aerojet-General Corporation Fluid eductor
US4472325A (en) * 1983-06-13 1984-09-18 The Dow Chemical Company Liquid distributor apparatus for a vapor-liquid contact column
US4539120A (en) * 1982-07-19 1985-09-03 U.S. Environmental Products, Inc. Methods of flocculating solids-bearing aqueous suspensions
US4689183A (en) * 1985-12-02 1987-08-25 The Dow Chemical Company Ultra low flow rate liquid redistributor assembly for use in a liquid-vapor contact tower
US4792229A (en) * 1986-07-02 1988-12-20 Veba-Oel Entwicklungs-Gesellschaft Mbh Device for mixing disperse streams before they enter a catalyst bed
US4797003A (en) * 1987-04-22 1989-01-10 Dowell Schlumberger Incorporated Foamed slurry generator
US5061407A (en) * 1990-08-08 1991-10-29 Nutter Dale E Liquid distributor for gas-liquid contact apparatus
US5240652A (en) * 1992-10-08 1993-08-31 Praxair Technology, Inc. Liquid distributor for a vapor-liquid contacting column
US6132079A (en) * 1997-02-26 2000-10-17 Komax Systems, Inc. Multi path mixing apparatus
US6612731B2 (en) * 1997-03-14 2003-09-02 Nippon Oil Co., Ltd. Mixing apparatus
US20040071822A1 (en) * 2002-10-11 2004-04-15 Eldon Roth Sparging device and method for adding a processing fluid to a foodstuff
US6884396B2 (en) * 2001-03-22 2005-04-26 Thomas W. Astle Pipettor reservoir for particulate-containing liquids
US20050133104A1 (en) * 2003-12-09 2005-06-23 Poco Graphite, Inc. System, method, and apparatus for dual gas delivery through a high temperature artifact without undesirable gas mixing
US20050153029A1 (en) * 1999-04-06 2005-07-14 Freezing Machines, Inc. Method for exposing comminuted foodstuffs to a processing fluid
US20070144352A1 (en) * 2005-03-17 2007-06-28 Christophe Boyer Device for mixing and distributing a gas and a liquid upstream from a granular bed
US20080260920A1 (en) * 2007-04-23 2008-10-23 Eldon Roth Method for packaging and storing fresh meat products
US20080271983A1 (en) * 2007-04-26 2008-11-06 Linde Aktiengesellschaft Collector-distributor combination
US20120280411A1 (en) * 2009-12-23 2012-11-08 Chemetics Inc. Liquid Distribution Trough For Use In Towers in Sulphuric Acid And Carbon Capture Plants

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US3016234A (en) * 1956-12-31 1962-01-09 Didier Werke Ag Unitary collecting, distributing and supporting plate for stage washers

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Publication number Priority date Publication date Assignee Title
GB290553A (en) * 1927-01-10 1928-05-10 Percival James Robinson Improvements in water cooling towers
US1728440A (en) * 1927-06-20 1929-09-17 Helmuth R Otto Gasoline condenser, stabilizer, fractionator, and dehydrator
US2815532A (en) * 1953-05-25 1957-12-10 American Viscose Corp Spinneret mixing element
US3016234A (en) * 1956-12-31 1962-01-09 Didier Werke Ag Unitary collecting, distributing and supporting plate for stage washers

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3936382A (en) * 1973-11-21 1976-02-03 Aerojet-General Corporation Fluid eductor
US4539120A (en) * 1982-07-19 1985-09-03 U.S. Environmental Products, Inc. Methods of flocculating solids-bearing aqueous suspensions
US4472325A (en) * 1983-06-13 1984-09-18 The Dow Chemical Company Liquid distributor apparatus for a vapor-liquid contact column
US4689183A (en) * 1985-12-02 1987-08-25 The Dow Chemical Company Ultra low flow rate liquid redistributor assembly for use in a liquid-vapor contact tower
US4792229A (en) * 1986-07-02 1988-12-20 Veba-Oel Entwicklungs-Gesellschaft Mbh Device for mixing disperse streams before they enter a catalyst bed
US4797003A (en) * 1987-04-22 1989-01-10 Dowell Schlumberger Incorporated Foamed slurry generator
US5061407A (en) * 1990-08-08 1991-10-29 Nutter Dale E Liquid distributor for gas-liquid contact apparatus
US5240652A (en) * 1992-10-08 1993-08-31 Praxair Technology, Inc. Liquid distributor for a vapor-liquid contacting column
US6132079A (en) * 1997-02-26 2000-10-17 Komax Systems, Inc. Multi path mixing apparatus
US6612731B2 (en) * 1997-03-14 2003-09-02 Nippon Oil Co., Ltd. Mixing apparatus
US8043644B2 (en) 1999-04-06 2011-10-25 Freezing Machines, Inc. Method for exposing comminuted foodstuffs to a processing fluid
US20050153029A1 (en) * 1999-04-06 2005-07-14 Freezing Machines, Inc. Method for exposing comminuted foodstuffs to a processing fluid
US6884396B2 (en) * 2001-03-22 2005-04-26 Thomas W. Astle Pipettor reservoir for particulate-containing liquids
US7322739B2 (en) 2002-10-11 2008-01-29 Freezing Machines, Inc. Sparging device for adding a processing fluid to a foodstuff
US7093973B2 (en) * 2002-10-11 2006-08-22 Freezing Machines, Inc. Sparging device and method for adding a processing fluid to a foodstuff
US20060274602A1 (en) * 2002-10-11 2006-12-07 Eldon Roth Sparging device for adding a processing fluid to a foodstuff
US20040071822A1 (en) * 2002-10-11 2004-04-15 Eldon Roth Sparging device and method for adding a processing fluid to a foodstuff
US7258137B2 (en) * 2003-12-09 2007-08-21 Poco Graphite, Inc. System, method, and apparatus for dual gas delivery through a high temperature artifact without undesirable gas mixing
US20050133104A1 (en) * 2003-12-09 2005-06-23 Poco Graphite, Inc. System, method, and apparatus for dual gas delivery through a high temperature artifact without undesirable gas mixing
US20070144352A1 (en) * 2005-03-17 2007-06-28 Christophe Boyer Device for mixing and distributing a gas and a liquid upstream from a granular bed
US7500658B2 (en) * 2005-03-17 2009-03-10 Institut Francais Du Petrole Device for mixing and distributing a gas and a liquid upstream from a granular bed
US20080260920A1 (en) * 2007-04-23 2008-10-23 Eldon Roth Method for packaging and storing fresh meat products
US20080271983A1 (en) * 2007-04-26 2008-11-06 Linde Aktiengesellschaft Collector-distributor combination
US8118284B2 (en) * 2007-04-26 2012-02-21 Linde Aktiengesellschaft Collector-distributor combination
US20120280411A1 (en) * 2009-12-23 2012-11-08 Chemetics Inc. Liquid Distribution Trough For Use In Towers in Sulphuric Acid And Carbon Capture Plants
US9259665B2 (en) * 2009-12-23 2016-02-16 Chemetics, Inc. Liquid distribution trough for use in towers in sulphuric acid and carbon capture plants

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