US3785620A - Mixing apparatus and method - Google Patents

Mixing apparatus and method Download PDF

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US3785620A
US3785620A US00149230A US3785620DA US3785620A US 3785620 A US3785620 A US 3785620A US 00149230 A US00149230 A US 00149230A US 3785620D A US3785620D A US 3785620DA US 3785620 A US3785620 A US 3785620A
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media
corrugations
lamellas
flow
mixing apparatus
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M Huber
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Sulzer AG
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Sulzer AG
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    • 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
    • B01J19/305—Supporting elements therefor, e.g. grids, perforated plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/432—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction with means for dividing the material flow into separate sub-flows and for repositioning and recombining these sub-flows; Cross-mixing, e.g. conducting the outer layer of the material nearer to the axis of the tube or vice-versa
    • B01F25/4322—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction with means for dividing the material flow into separate sub-flows and for repositioning and recombining these sub-flows; Cross-mixing, e.g. conducting the outer layer of the material nearer to the axis of the tube or vice-versa essentially composed of stacks of sheets, e.g. 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
    • B01J15/00—Chemical processes in general for reacting gaseous media with non-particulate solids, e.g. sheet material; Apparatus specially adapted therefor
    • B01J15/005—Chemical processes in general for reacting gaseous media with non-particulate solids, e.g. sheet material; Apparatus specially adapted therefor in the presence of catalytically active bodies, e.g. porous plates
    • 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
    • B01J16/00—Chemical processes in general for reacting liquids with non- particulate solids, e.g. sheet material; Apparatus specially adapted therefor
    • B01J16/005—Chemical processes in general for reacting liquids with non- particulate solids, e.g. sheet material; Apparatus specially adapted therefor in the presence of catalytically active bodies, e.g. porous plates
    • 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
    • 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
    • B01J2219/3221—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
    • B01J2219/32237—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
    • B01J2219/32255—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
    • B01J2219/322—Basic shape of the elements
    • B01J2219/32203—Sheets
    • B01J2219/32265—Sheets characterised by the orientation of blocks of sheets
    • B01J2219/32268—Sheets characterised by the orientation of blocks of sheets relating to blocks in the same horizontal level
    • 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
    • B01J2219/32279—Tubes or cylinders
    • 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 invention provides a mixing apparatus and method for media which are directed to flow in a uniflow relation.
  • the apparatus utilizes packing elements in the path of flow which serves to mix the various media together both by longitudinal and transverse mixing.
  • Each packing element includes a plurality of lamellas in contact with each other, each of which has corrugations thereon with the corrugations of sequentially arranged lamellas being oriented in different directions.
  • the corrugations of at least one of two sequentially arranged lamellas relative to the direction of media flow are disposed at an angle to the axis of the apparatus.
  • the adjacent packing elements abut and are angularly offset to each other about the axis of theapparatus to enhance mixing.
  • the method effects the directing of two mixable media in a single flow direction through the above packing elements so as to achieve a longitudinally and transverse mixing of the part-flows of the media within the elements. This allows the media or mass to be uniformly mixed together or homogenized in a relatively short length.
  • the basis of the invention is the surprising recognition that the information of packing elements that are of themselves known for counterflow substanceinterchange columns, for example, rectification columns, into a mixing apparatus makes it possible to obtain excellent mixing together of fluid media passing through in uniflow.
  • These media include two or more liquids or gases, or a number of gas mixtures, or a liquid with a gas. Also, very viscous media and particles of solid substances that are capable of flowing can be mixed.
  • the invention is particularly advantageous for mixing apparatus of relatively large diameter, e.g. more than 50 millimeters (mm) such as tubes or vessels, because, even in such contrivances, any lack of uniformity can be quickly corrected by the good transverse mixing achieved by the packing elements.
  • perforations are provided at spaced apart positions in the lamellas in order to further improve the mixing effect since part-quantities of the fluid mediums are able to flow through a lamella from one side to the other.
  • the mixing apparatus according to the invention can be used to carry out various processes such as:
  • the neutralization of an acid for example, a waste acid from pickling baths, by the aid of a lye.
  • the lamella could, for example, consist of synthetic material.
  • Oxygen and ammonia for producing nitric acid.
  • FIG. 1 schematically illustrates a mixing apparatus with two superposed packing elements offset relative to one another
  • FIGS. la and lb schematically illustrate views taken along lines la-la and lb-lb of FIG. 1 to show the orientation of the lamellas in vertically adjacent packing elements;
  • FIG. 2 illustrates a perspective view of the individual lamellas of a packing element
  • FIG. 3a illustrates a lengthwise cross-sectional view of a packing element including a number of equally sized packing elements in contact with each other;
  • FIG. 3b illustrates a cross-sectional view of the packing element of FIG. 3a.
  • FIG. 30 illustrates a perspective view of the packing element of FIGS. 30 and 3b.
  • the mixing apparatus has a cylindrical circular tube 1 for defining a passageway along a longitudinal axis.
  • the tube 1 can be of any suitable cross-section, for example, square.
  • the tube 1 may be set either vertically or horizontally.
  • the tube 1 has a lower flange 2 for connecting to a pipe supplying a fluid medium a and an upper flange 3 for connecting to an outflow pipe for the mixture, or for the chemical compound c, whereby c is formed of the components a and a fluid medium b introduced into the mixing apparatus through a tube 4.
  • two packing elements 5a, 5b are superposed in the tube 1 and are offset 90 relative to one another (see FIGS. 1a and lb).
  • each packing element has corrugated lamellas 6 which adjoin one another to form the element.
  • the element can then be pushed into the tube 1 of the mixing apparatus.
  • different sizes of individual lamellas are used which increase from the two outsides toward the middle so that a cylindrical shape results.
  • the lamellas of which only four are shown accurately and the remainder schematically, are made of sheet metal, and are perforated at spaced apart positions to produce an improved mixing together of the fluid mediums in the packing element.
  • the corrugations of each lamella are of substantially equal slope and the corrugations of adjacent lamellas are directed so that they intersect.
  • the dots of FIG. 1 show schematically the distribution of the medium b in the medium a within the mixing apparatus.
  • the mixing apparatus is of very large diameter, it may be advantageous to make each packing element of a number of parts.
  • the packing elements 5a, 5b are adapted to the inner cross-section of the tube 1 of the mixing apparatus. Because each two adjacent packing elements 5a, 5b are offset relative to one another, preferably at an angle of 90, excellent distribution is produced and thereby excellent mixing together of the two fluid mediums passing in uniflow (i.e. concurrent) through the apparatus. If, in the case of certain mixing processes, there simultaneously occurs a chemical reaction, then because of the lateral mixing, any maldistribution or irregular course of reaction that might occur is compensated for.
  • a packing element as described above can include a number of equally sized part packing elements in contact with each other as shown.
  • the construction of each part packing element is similar to that described above.
  • the invention thus provides an apparatus in which two or more flowable media can be suitably mixed in longitudinal and transverse directions by directing the media part-flows in a plurality of criss-crossing zig-zag paths through the length of the packing elements.
  • the mixing action obtained is such that a homogenous mixture is easily and rapidly obtained over a relatively short tube length.
  • the apparatus of the invention permits a considerable improvement in the heat transfer from the flowable media during reaction through the outer walls of the apparatus.
  • a mixing apparatus comprising a first means for defining a passageway along a longitudinal axis thereof for the flow of at least two mixable media therethrough in concurrent flow relation;
  • each said packing element including a plurality of lamellas in contact with each other and in parallel relation to said longitudinal axis, each lamella having corrugations thereon with the corrugations of sequentially arranged lamellas being oriented in different directions and with the corrugations of at least one of two sequentially arranged lamellas relative to the direction of media flow being disposed at an angle to said longitudinal axis of said means, and each said packing element being angularly offset to an adjacent packing element about said longitudinal axis of said means at an angle not more than 90; and
  • each packing element includes a number of equallysized part-packing elements in contact with each other.
  • each said lamella is unperforated.
  • each said lamella is made of a metal weave.
  • each lamella has a plurality of spaced perforations therein for the passage of a flowable medium therethrough from one side to the opposite side.
  • a method of mixing at least two mixable media which comprises the steps of directing two mixable media in a concurrent flow direction through a common passageway, and passing the media into and through at least two packing elements within said passageway wherein each packing element includes a plurality of lamellas in contact with each other and in parallel relation to said flow direction, each lamella having corrugations thereon with the corrugations of sequentially arranged lamellas being oriented in different directions and with the corrugations of at least one of two sequentially arranged lamellas relative to the direction of media flow being disposed at an angle to the axis of flow, and each said packing element being angularly offset to an adjacent packing element about said axis of flow, the media being mixed within the packing elements.

Abstract

The mixable media are passed in uniflow relation through one or more packing elements composed of corrugated lamellas so that a thorough mixing takes place within the packing elements. The corrugations of adjacent lamellas are oriented in different directions while adjacent packing elements are angularly offset from each other.

Description

[451 Jan. 15,1974
United States Patent [191 Huber 3,286,992 11/1966 Armeniades............................ 259/4 MIXING APPARATUS AND METHOD FOREIGN PATENTS OR APPLICATIONS Switzerland Primary ExaminerBilly J. Wilhite [22] Flled: June 1971 Assistant Examiner-Alan 1. Cantor [21] Appl. No.1 149,230 Att0rneyKenyon & Kenyon Reilly Carr & Chapin Foreign Application Priority Data ABSTRACT Switzerland....1.................... 6303/71 1 7 9 9 2 r P A l. 0 3 .l.
M m 9m w "B5 l .Hm6 m D B5,. 9 m M3 98 mu mm 3 nm mur "Ha e s a 0 Std UhF ll] 2 8 555 [[1 gularly [56] A References Cited UNITED STATES PATENTS 3,466,151 9/1969 Sicard et 23/283 X 7 Claims, 7 Drawing Figures PMEMED JAN I 5W4 sum 2 or 2 QM w MIXING APPARATUS AND METHOD This invention relates to a mixing apparatus and method.
It is an object of the invention to obtain an efficient rapid mixing of one or more media in a relatively short distance.
It is another object of the invention to obtain efficient mixing of different mixable media.
It is another object of the invention to mix various media together in vessels of large cross-section while achieving a high degree of uniformity.
Briefly, the invention provides a mixing apparatus and method for media which are directed to flow in a uniflow relation. The apparatus utilizes packing elements in the path of flow which serves to mix the various media together both by longitudinal and transverse mixing. Each packing element includes a plurality of lamellas in contact with each other, each of which has corrugations thereon with the corrugations of sequentially arranged lamellas being oriented in different directions. In addition, the corrugations of at least one of two sequentially arranged lamellas relative to the direction of media flow are disposed at an angle to the axis of the apparatus. Also, the adjacent packing elements abut and are angularly offset to each other about the axis of theapparatus to enhance mixing.
The method effects the directing of two mixable media in a single flow direction through the above packing elements so as to achieve a longitudinally and transverse mixing of the part-flows of the media within the elements. This allows the media or mass to be uniformly mixed together or homogenized in a relatively short length.
The basis of the invention is the surprising recognition that the information of packing elements that are of themselves known for counterflow substanceinterchange columns, for example, rectification columns, into a mixing apparatus makes it possible to obtain excellent mixing together of fluid media passing through in uniflow. These media include two or more liquids or gases, or a number of gas mixtures, or a liquid with a gas. Also, very viscous media and particles of solid substances that are capable of flowing can be mixed.
The invention is particularly advantageous for mixing apparatus of relatively large diameter, e.g. more than 50 millimeters (mm) such as tubes or vessels, because, even in such contrivances, any lack of uniformity can be quickly corrected by the good transverse mixing achieved by the packing elements.
In one embodiment, perforations are provided at spaced apart positions in the lamellas in order to further improve the mixing effect since part-quantities of the fluid mediums are able to flow through a lamella from one side to the other.
Under certain conditions, it may also be advantageous to dispose an uncorrugated lamella between two corrugated lamella in a filler.
The mixing apparatus according to the invention can be used to carry out various processes such as:
a. For the mixing of two liquids: The neutralization of an acid, for example, a waste acid from pickling baths, by the aid of a lye. The lamella could, for example, consist of synthetic material.
b. For mixing a gas with a liquid: A hydrogenation process; or the chlorination of water.
c. For mixing two gases together: Oxygen and ammonia for producing nitric acid.
These and other objects and advantages of the invention will become more apparent from the following detailed description and appended claims taken in conjunction with the accompanying drawings in which:
FIG. 1 schematically illustrates a mixing apparatus with two superposed packing elements offset relative to one another;
FIGS. la and lb schematically illustrate views taken along lines la-la and lb-lb of FIG. 1 to show the orientation of the lamellas in vertically adjacent packing elements;
FIG. 2 illustrates a perspective view of the individual lamellas of a packing element;
FIG. 3a illustrates a lengthwise cross-sectional view of a packing element including a number of equally sized packing elements in contact with each other;
FIG. 3b illustrates a cross-sectional view of the packing element of FIG. 3a; and
FIG. 30 illustrates a perspective view of the packing element of FIGS. 30 and 3b.
Referring to FIG. I, the mixing apparatus has a cylindrical circular tube 1 for defining a passageway along a longitudinal axis. Alternatively, the tube 1 can be of any suitable cross-section, for example, square. Also, the tube 1 may be set either vertically or horizontally.
The tube 1 has a lower flange 2 for connecting to a pipe supplying a fluid medium a and an upper flange 3 for connecting to an outflow pipe for the mixture, or for the chemical compound c, whereby c is formed of the components a and a fluid medium b introduced into the mixing apparatus through a tube 4. In addition, two packing elements 5a, 5b are superposed in the tube 1 and are offset 90 relative to one another (see FIGS. 1a and lb).
Referring to FIG. 2, each packing element has corrugated lamellas 6 which adjoin one another to form the element. The element can then be pushed into the tube 1 of the mixing apparatus. As shown, different sizes of individual lamellas are used which increase from the two outsides toward the middle so that a cylindrical shape results. The lamellas, of which only four are shown accurately and the remainder schematically, are made of sheet metal, and are perforated at spaced apart positions to produce an improved mixing together of the fluid mediums in the packing element. In addition, the corrugations of each lamella are of substantially equal slope and the corrugations of adjacent lamellas are directed so that they intersect.
The dots of FIG. 1 show schematically the distribution of the medium b in the medium a within the mixing apparatus. In the case where the mixing apparatus is of very large diameter, it may be advantageous to make each packing element of a number of parts.
As shown, the packing elements 5a, 5b are adapted to the inner cross-section of the tube 1 of the mixing apparatus. Because each two adjacent packing elements 5a, 5b are offset relative to one another, preferably at an angle of 90, excellent distribution is produced and thereby excellent mixing together of the two fluid mediums passing in uniflow (i.e. concurrent) through the apparatus. If, in the case of certain mixing processes, there simultaneously occurs a chemical reaction, then because of the lateral mixing, any maldistribution or irregular course of reaction that might occur is compensated for.
Referring to FIGS. 3a, 3b and 3c, a packing element as described above can include a number of equally sized part packing elements in contact with each other as shown. The construction of each part packing element is similar to that described above.
The invention thus provides an apparatus in which two or more flowable media can be suitably mixed in longitudinal and transverse directions by directing the media part-flows in a plurality of criss-crossing zig-zag paths through the length of the packing elements. The mixing action obtained is such that a homogenous mixture is easily and rapidly obtained over a relatively short tube length.
It is also noted that, in the case of chemical reactions, the apparatus of the invention permits a considerable improvement in the heat transfer from the flowable media during reaction through the outer walls of the apparatus.
What is claimed is:
l. A mixing apparatus comprising a first means for defining a passageway along a longitudinal axis thereof for the flow of at least two mixable media therethrough in concurrent flow relation;
at least two packing elements disposed in said passageway for the flow of the media therethrough, each said packing element including a plurality of lamellas in contact with each other and in parallel relation to said longitudinal axis, each lamella having corrugations thereon with the corrugations of sequentially arranged lamellas being oriented in different directions and with the corrugations of at least one of two sequentially arranged lamellas relative to the direction of media flow being disposed at an angle to said longitudinal axis of said means, and each said packing element being angularly offset to an adjacent packing element about said longitudinal axis of said means at an angle not more than 90; and
means disposed on one side of said packing elements for introducing at least two mixable media into said passageway to flow through said packing elements in the same direction relative to said longitudinal axis for mixing therein.
2. A mixing apparatus as set forth in claim 1 wherein said corrugations of said lamellas are of substantially equal slope and said corrugations of adjacent lamellas are disposed in an intersecting direction.
3. A mixing apparatus as set forth in claim 1 wherein each packing element includes a number of equallysized part-packing elements in contact with each other.
4. A mixing apparatus as set forth in claim 1 wherein each said lamella is unperforated.
5. A mixing apparatus as set forth in claim 1 wherein each said lamella is made of a metal weave.
6. A mixing apparatus as set forth in claim 1 wherein each lamella has a plurality of spaced perforations therein for the passage of a flowable medium therethrough from one side to the opposite side.
7. A method of mixing at least two mixable media which comprises the steps of directing two mixable media in a concurrent flow direction through a common passageway, and passing the media into and through at least two packing elements within said passageway wherein each packing element includes a plurality of lamellas in contact with each other and in parallel relation to said flow direction, each lamella having corrugations thereon with the corrugations of sequentially arranged lamellas being oriented in different directions and with the corrugations of at least one of two sequentially arranged lamellas relative to the direction of media flow being disposed at an angle to the axis of flow, and each said packing element being angularly offset to an adjacent packing element about said axis of flow, the media being mixed within the packing elements.

Claims (7)

1. A mixing apparatus comprising a first means for defining a passageway along a longitudinal axis thereof for the flow of at least two mixable media therethrough in concurrent flow relation; at least two packing elements disposed in said passageway for the flow of the media therethrough, each said packing element including a plurality of lamellas in contact with each other and in parallel relation to said longitudinal axis, each lamella having corrugations thereon with the corrugations of sequentially arranged lamellas being oriented in different directions and with the corrugations of at least one of two sequentially arranged lamellas relative to the direction of media flow being disposed at an angle to said longitudinal axis of said means, and each said packing element being angularly offset to an adjacent packing element about said longitudinal axis of said means at an angle not more than 90*; and means disposed on one side of said packing elements for introducing at least two mixable media into said passageway to flow through said packing elements in the same direction relative to said longitudinal axis for mixing therein.
2. A mixing apparatus as set forth in claim 1 wherein said corrugations of said lamellas are of substantially equal slope and said corrugations of adjacent lamellas are disposed in an intersecting direction.
3. A mixing apparatus as set forth in claim 1 wherein each packing element includes a number of equally-sized part-packing elements in contact with each other.
4. A mixing apparatus as set forth in claim 1 wherein each said lamella is unperforated.
5. A mixing apparatus as set forth in claim 1 wherein each said lamella is made of a metal weave.
6. A mixing apparatus as set forth in claim 1 wherein each lamella has a plurality of spaced perforations therein for the passage of a flowable medium therethrough from one side to the opposite side.
7. A method of mixing at least two mixable media which comprises the steps of directing two mixable media in a concurrent flow direction through a common passageway, and passing the media into and through at least two packing elements within said passageway wherein each packing element includes a plurality of lamellas in contact with each other and in parallel relation to said flow direction, each lamella having corrugations thereon with the corrugations of sequentially arranged lamellas being oriented in different directions and with the corrugations of at least one of two sequentially arranged lamellas relative to the direction of media flow being disposed at an angle to the axis of flow, and each said packing element being angularly offset to an adjacent packing element about said axis of flow, the media being mixed within the packing elements.
US00149230A 1971-04-29 1971-06-02 Mixing apparatus and method Expired - Lifetime US3785620A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH630371 1971-04-29
CH98272 1972-01-24

Publications (1)

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US3785620A true US3785620A (en) 1974-01-15

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US3918688A (en) * 1973-04-18 1975-11-11 Sulzer Ag Static mixing device
US4186159A (en) * 1977-05-12 1980-01-29 Sulzer Brothers Limited Packing element of foil-like material for an exchange column
US4296050A (en) * 1977-05-12 1981-10-20 Sulzer Brothers Ltd. Packing element for an exchange column
US4296204A (en) * 1978-01-25 1981-10-20 Merck & Co., Inc. Use of motionless mixer as cell culture propagator
US4207202A (en) * 1978-06-05 1980-06-10 Cole Howard W Jr Apparatus for making small bubble foam
US4225540A (en) * 1979-04-10 1980-09-30 Carl Munters-Euroform Packing for heat and material exchange, particularly for cooling towers
US4333894A (en) * 1980-01-10 1982-06-08 Veb Chemieanlagenbaukombinat Leipzig-Grimma Mass-transfer column
US4415670A (en) * 1980-07-07 1983-11-15 Merck & Co., Inc. Motionless mixer as cell culture propagator
US4303600A (en) * 1981-01-08 1981-12-01 The Munters Corporation Reactor column
US4471014A (en) * 1981-06-30 1984-09-11 Atomic Energy Of Canada Limited Ordered bed packing module
US4493735A (en) * 1981-07-17 1985-01-15 Sulzer Brothers Limited Device and method for forming a fluidized bed
US4532086A (en) * 1981-07-30 1985-07-30 Sulzer Brothers Limited Packing made of one-piece layers
US4436679A (en) 1981-11-09 1984-03-13 Maryland Cup Corporation Method and apparatus for generating foamed thermoplastic materials
US4701287A (en) * 1982-06-18 1987-10-20 Manteufel Rolf P C Apparatus for the exchange of material and/or heat between and/or for mixing of gaseous and/or liquid substances
US4605310A (en) * 1983-05-04 1986-08-12 Burlington Industries, Inc. Automated sizing system controlling using a radio transmitter level control
US4514092A (en) * 1983-05-04 1985-04-30 Burlington Industries, Inc. Automated sizing system controlling
US4604247A (en) * 1983-06-21 1986-08-05 Glitsch, Inc. Tower packing material and method
US4597916A (en) * 1983-06-21 1986-07-01 Glitsch, Inc. Method of and apparatus for intermediate lamella vapor liquid contact
EP0130745A2 (en) * 1983-06-21 1985-01-09 Glitsch, Inc. Expanded metal packing and method of manufacture
EP0130745A3 (en) * 1983-06-21 1986-02-26 Glitsch, Inc. Expanded metal packing and method of manufacture
US4595546A (en) * 1983-11-14 1986-06-17 Crompton & Knowles Corporation Manufacture of elongated extruded cross-linked products
US4599174A (en) * 1984-02-27 1986-07-08 Polybac Corporation Submerged fixed film biological treatment system
US4719090A (en) * 1984-02-28 1988-01-12 Ngk Insulators, Ltd. Porous structure for fluid contact
US4643853A (en) * 1984-04-14 1987-02-17 Raschig Gmbh Packing element for use in mass transfer or heat transfer columns
EP0158917A2 (en) * 1984-04-14 1985-10-23 Raschig Aktiengesellschaft Packing element for mass and heat transfer columns
EP0158917A3 (en) * 1984-04-14 1988-03-02 Raschig Gmbh Packing element for mass and heat transfer columns
US4981621A (en) * 1985-01-30 1991-01-01 Sulzer Brother Limited Regular packing element of thin foil-like material for mass transfer and heat exchange columns
US4731229A (en) * 1985-05-14 1988-03-15 Sulzer Brothers Limited Reactor and packing element for catalyzed chemical reactions
US4670196A (en) * 1985-09-05 1987-06-02 Norton Company Tower packing element
US4842778A (en) * 1985-12-23 1989-06-27 Glitsch, Inc. Apparatus for flow distribution in packed towers
EP0237942A1 (en) * 1986-03-20 1987-09-23 GebràœDer Sulzer Aktiengesellschaft Process and apparatus for evaporating liquefied hydrocarbons
US4919541A (en) * 1986-04-07 1990-04-24 Sulzer Brothers Limited Gas-liquid mass transfer apparatus and method
EP0270476A1 (en) * 1986-11-24 1988-06-08 Canadian Occidental Petroleum Ltd. Preparation of stable crude oil transport emulsions
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US5283001A (en) * 1986-11-24 1994-02-01 Canadian Occidental Petroleum Ltd. Process for preparing a water continuous emulsion from heavy crude fraction
US4978365A (en) * 1986-11-24 1990-12-18 Canadian Occidental Petroleum Ltd. Preparation of improved stable crude oil transport emulsions
US4983319A (en) * 1986-11-24 1991-01-08 Canadian Occidental Petroleum Ltd. Preparation of low-viscosity improved stable crude oil transport emulsions
US4950430A (en) * 1986-12-01 1990-08-21 Glitsch, Inc. Structured tower packing
US5156652A (en) * 1986-12-05 1992-10-20 Canadian Occidental Petroleum Ltd. Low-temperature pipeline emulsion transportation enhancement
US4848920A (en) * 1988-02-26 1989-07-18 Husky Injection Molding Systems Ltd. Static mixer
US4929399A (en) * 1988-03-17 1990-05-29 Union Carbide Industrial Gases Technology Inc. Structured column packing with liquid holdup
US4966235A (en) * 1988-07-14 1990-10-30 Canadian Occidental Petroleum Ltd. In situ application of high temperature resistant surfactants to produce water continuous emulsions for improved crude recovery
US5013492A (en) * 1990-04-06 1991-05-07 Munters Corporation Arrangement for contact bodies for liquid and gas
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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
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
US5132056A (en) * 1991-05-28 1992-07-21 Union Carbide Industrial Gases Technology Corporation Structured column packing with improved turndown and method
US5380088A (en) * 1991-07-30 1995-01-10 Sulzer Brothers Limited Mixing device for small fluid quantities
US5476783A (en) * 1992-03-23 1995-12-19 Koch Engineering Company, Inc. Bioreactor method of culturing and propagating cells with a woven motionless mixing element
US5407274A (en) * 1992-11-27 1995-04-18 Texaco Inc. Device to equalize steam quality in pipe networks
US5709468A (en) * 1992-11-27 1998-01-20 Texaco Group, Inc. Method for equalizing steam quality in pipe networks
US5536454A (en) * 1993-01-13 1996-07-16 Mitsubishi Jukogyo Kabushiki Kaisha Apparatus for gas-liquid contact
US5437784A (en) * 1993-05-03 1995-08-01 J. M. Voith Gmbh Injector for a flotation device
US5636981A (en) * 1994-05-19 1997-06-10 Lilly Engineering Company Fuel oil burner
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US5876638A (en) * 1996-05-14 1999-03-02 Air Products And Chemicals, Inc. Structured packing element with bi-directional surface texture and a mass and heat transfer process using such packing element
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US7390121B2 (en) * 1998-03-27 2008-06-24 Bayer Aktiengesellschaft Static mixer module
US6186223B1 (en) 1998-08-27 2001-02-13 Zeks Air Drier Corporation Corrugated folded plate heat exchanger
US6244333B1 (en) 1998-08-27 2001-06-12 Zeks Air Drier Corporation Corrugated folded plate heat exchanger
US6565629B1 (en) * 1998-12-28 2003-05-20 Nippon Sanso Corporation Vapor-liquid contactor, cryogenic air separation unit and method of gas separation
US6560990B2 (en) 1998-12-28 2003-05-13 Nippon Sanso Corporation Vapor-liquid contactor, cryogenic air separation unit and method of gas separation
US6503460B1 (en) 1999-03-17 2003-01-07 Kellogg Brown & Root, Inc. Staged catalyst regeneration in a baffled fluidized bed
US20020081241A1 (en) * 1999-06-29 2002-06-27 Ralph Sigling Device for cleaning flue gas
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Also Published As

Publication number Publication date
AU4166972A (en) 1973-11-01
GB1373142A (en) 1974-11-06
DE2205371C3 (en) 1979-12-06
CA987300A (en) 1976-04-13
FR2134377A1 (en) 1972-12-08
US3871624A (en) 1975-03-18
DE2205371A1 (en) 1972-11-16
CA975355A (en) 1975-09-30
NL7205821A (en) 1972-10-31
DE2205371B2 (en) 1979-04-12
IT959596B (en) 1973-11-10
AU450762B2 (en) 1974-07-18
PL87268B1 (en) 1976-06-30
CH537208A (en) 1973-07-13
FR2134377B1 (en) 1976-08-06
CS167981B2 (en) 1976-05-28
CH547120A (en) 1974-03-29

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