US2692764A - Mixing apparatus - Google Patents
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- US2692764A US2692764A US206828A US20682851A US2692764A US 2692764 A US2692764 A US 2692764A US 206828 A US206828 A US 206828A US 20682851 A US20682851 A US 20682851A US 2692764 A US2692764 A US 2692764A
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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
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
- B01F25/23—Mixing by intersecting jets
Definitions
- This invention relates to new and useful improvements in mixing apparatus.
- One object of the invention is to provide an improved mixing apparatus for efficiently mixing two liquids and which is particularly adaptable for use in oil purification methods wherein petroleum oil is washed with Water for the purpose of removing salt, acid and other foreign substances from said oil.
- An important object of the invention is to provide an improved mixing apparatus wherein the two liquids to be mixed are directed into a mixing zone from opposite sides whereby the counterflowing liquids engage each other to create a turbulence within the mixing zone which eifects a thorough mixing of said liquids; the particular arrangement which interrupts normal straightline flow of the liquids through the flow line functioning to maintain the liquids within the mixing zone for an increased period of time to further assure eificient mixing.
- Another object is to provide an improved mixing apparatus wherein the velocity of admission of one of the liquids into the mixing zone is variable and may be readily adjusted to accurately control the mixing action; the variation in the velocity of the liquid stream being possible without any change or variation in the volume of said liquid, whereby the volumetric ratio of the liquids being admixed may remain constant under varying types of mixing action to assure efficient mixing under all conditions.
- a still further object is to provide a mixing apparatus, of the character described, wherein co-axial inlet pipes are disposed to conduct one of the liquids to be mixed into the mixing zone, with means for controlling the volume of liquid flowing through both co-axial pipes to control the velocity of the flow streams and with further means for adjusting the outlet end of the inner pipe with respect to the mixing zone, whereby accurate control of the mixing action in the mixing zone is obtainable.
- FIG. 1 is a view, partly in section and partly in elevation of an improved mixing apparatus, constructed in accordance with the invention.
- FIG. 2 is a diagrammatic view of an oil purification system in which the mixing apparatus has been found useful.
- the numeral iil designates a flow line or conductor which conducts one of the liquids to be mixed in the direction indicated by the arrow A in Figure 1.
- this liquid will be assumed to be oil.
- the other liquid which will be assumed to be water, is conducted into one end of the line or conductor through a pair of co-axial pipe elements I I and I2 which extend inwardly int-o the conductor lil through an end cap l3 which is threaded onto the end of said conductor.
- the open end of the outer pipe H is disposed within the conductor ill at a point beyond the outlet line [4 which extends from the conductor in a radial direction.
- the open or outlet end of the inner pipe 12 may have its position varied with respect to the end of the other pipe H.
- the direction of flow through the coaxial pipes H and I2 is in the direction of the arrow B in Figure 1.
- the oil flowing in a direction to the right in h Figure 1 is directly contacted by the water emerging from the pipes II and i2 and the two counter-current streams upon striking each other will create a turbulence which will effect a thorough mixing of the two liquids.
- This turbulence is set up in a zone which is substantially defined by the dotted lines C within the conductor l0, and this zone may be identified as a mixing zone. It will be apparent that by control ling the velocity of the stream which is ejected from the small inner pipe [2, the distance of projection of the stream of water from this inner pipe into the flowing oil may be controlled; by increasing the velocity of the water ejected from the inner pipe, the projection of the stream into the flowing oil will be greater than where the velocity is decreased.
- the velocity of the stream ejected from the inner pipe will also control the force with which the stream of water engages the flowing oil, and this will have a definite effect on the mixing action which is created in the mixing zone C.
- the co-axial pipe assembly which introduces the water into the mixing zone, together with the controls for controlling the volume and velocity of water flowing through each of the pipes, are clearly illustrated in Figure 1.
- the outerpipe l'l extends through the cap member I3 and has an annular flange it at its outer end.
- a suitable stufiing box It is connected to the flange I5 and the inner pipe or conduit l2 extends through the stuiilng box and is disposed axially within the outer pipe.
- the provision of the stuning box makes it possible to adjust the inner pipe or conduit l2 longitudinally of the outer pipe I! so that the outlet end of the inner pipe may be varied with respect to the outlet end of the outer pipe; as will be hereinafter explained. this adjustment of the inner pipe with respect to, the outer pipe assists in controlling the mixing action which is produced within the mixing zone C.
- the water is supplied to the outer pipe I l of the co-axial pipe assembly through a water inlet line IT which. has one end welded or otherwise connected in a radial opening iii in the pipe H.
- a main control valve i9 is connected in the supply line i! and controls the volume of water which may pass this valve.
- a second valve 29 is also connected in the water line H in spaced relation to the first valve iii, and the adjustment of this valve controls the volume of water which is flowing to the outer pipe H.
- A, radial branch pipe 2'! is connected to the line I l between the control valves :9. and 2t, and this pipe has connection, preferably through a flexible nosing or conduit 22', with the outer end. of the inner conduit or pipe [2;
- the flexible connections 22 permit the longitudinal adjustment of the inner pipe i2 with respect to the outer pipe I I.
- the main control valve By adjusting the main control valve is the total volume of water which is conducted to both the inner and outer pipes H and i2 is accurately controlled; Adjustment of the second control valve 2.9 which is between pipe ii and branch line 2'l, accurately controls the volume of water which is flowing to the outer pipe 5 I and at the same time controls the water which flows to the inner conduit or pipe l2.
- the valve 26. may be adjusted to control the volume of water flowing to each of the pipes l i and i2. Since the inner pipe i 2 is of considerably less diameter than the outer pipe l i, it will be evident that the velocity of flow through the inner pipe will be greater than that through the outer.
- any desired volume of water may be directed in desired ratios to the pipes ii and I2.
- An increase in the water volume conducted to the inner pipe i2 will result in an increase in velocity of flow through this pipe and will at the same time reduce the velocityv of flowin the outer pipe ll.
- adjustment of the valve to decrease the volume of water flowing to the inner pipe will increase the supply of water to the outer pipe, andthis will obviously result in a change in velocities.
- the main control valve l8 controls the total volume of water which will be introduced by both pipes-while the control valve 28 will: determine the volumeof waterpassing through each ofthe pipes H and I2;
- the operation of the device is believed to be obvious from the foregoing.
- the oil is moving in a direction to the right in the conductor ill while is water being introduced through the pipes H and I2 is moving in an opposite direction into the mixing zone.
- the volume of Water being introduced through both of the pipes M and i2 is controlled by the main valve l9, and such, valve is adjusted in accordance with the total amount of water to be admixed with oil.
- the valve 2! is adjusted to direct a portion of the water through the smaller or inner pipe 2 at the desired velocity; because the inner pipe is of a considerably smaller diameter than the outer pipe the flow stream discharging from the inner pipe has a.
- the amount of turbulence created in the mixing zone bears a definite relationship to thevelocity of the Water being ejected from the-inner pipe [2, and this turbulence, can be controlled by controlling the velocity of the flow stream, discharging from said inner pipe. As above explained; the velocity is varied'ineither directionby, varying the control" valve 205.
- the apparatus has been described as mixing oil with water, but it is pointed out that it may be applied to mixing any two liquids. If the liquids are mutually soluble, the mixture can be eifected very rapidly; on the other hand, in the event that the liquids are not mutually soluble, one liquid may be dispersed into the other with any degree of fineness of the dispersed liquid merely by controlling the mixing action.
- FIG. 2 a diagrammatic illustration of a desalting plant wherein the mixing apparatus may be used is shown.
- a water supply line 23 from any suitable source has connection with a pump 24 which pumps the water through the supply line H.
- the supply line has the main control valve 19 and the second control valve 20 connected therein with the branch line 2
- Oil is supplied through a main line 25 and a pump 26 moves said oil through the conductor ID.
- the co-axial pipes l I and 12 are connected in the end of the conductor.
- the outlet line I4 connects the conductor with an electrical treater or demulsifier 21 wherein the oil-water mixture is subjected to electrical treatment in the usual manner.
- a mixing apparatus for mixing two liquids including, a conductor for conducting one of the liquids to be mixed therethrough, an outlet line extending from the conductor, a conducting means for discharging the second liquid to be mixed into said conductor, said conducting means comprising an inner pipe and an outer pipe surrounding said inner pipe and of larger cross-sectional area, a liquid supply line connected to the outer end of the outer pipe, a branch line extending from the supply to the inner pipe, and valve means in the sup-ply line between the point of connection of the supply line to the outer pipe and the branch line for controlling the volume of liquid flowing to each of the inner and outer pipes and thereby controlling the velocities of flow therethro-ugh.
- a mixing apparatus as set forth in claim 1 together with a main flow control means in the supply line beyond the branch line for controlling the total volume of liquid flowing to both inner and outer pipes.
- a mixing apparatus for mixing two liquids including, means defining a mixing zone, a conductor for conducting one of the liquids to be mixed into the mixing zone, a. second conductor for conducting a second liquid into the mixing zone in a direction opposite to the direction of flow of the first liquid, said second conductor comprising a pair of co-axial inner and outer pipes the outer pipe surrounding said inner pipe and of larger cross-sectional area and arranged for parallel branch flo-w of said second liquid, an outlet line extending from the mixing zone for conducting the mixed liquids therefrom, and valve means associated with one of said co-axial pipes for controlling the velocity of flow of said second liquid flowing through said co-axial pipes to control the mixing action within the mixing chamber.
- a mixing apparatus for mixing two liquids including, means defining a mixing zone, a con ductor for conducting one of the liquids to be mixed into the mixing zone, a second conductor for conducting a second liquid into the mixing zone in a direction opposite to the direction of flow of the first liquid, said second conductor comprising a pair of co-axial inner and outer pipes the outer pipe surrounding said inner pipe and of larger cross-sectional area and arranged for parallel branch flow of said second liquid, an outlet line extending from the mixing zone for conducting the mixed liquids therefrom, means for controlling the total volume of said second liquid flowing through the pair of said co-axial inner and outer pipes, and an additional control means associated with the outer pipe of said pair of co-axial pipes for varying the velocity of flow of said second liquid flowing through each of said co-axial pipes.
Description
Oct. 26, 1954 B, HANSON 2,692,754
MIXING APPARATUS Filed Jan. 19, 1951 P /2 elf/W OIL Gordon 5. Hanson INVENTOR.
QWJMM ATTORNEYJ Patented Oct. 26, 1954 MIXING APPARATUS Gordon B. Hanson, Houston, Tex., assignor to Howe-Baker Corporation, Houston, Tex., a. corporation of Texas Application January 19, 1951, Serial No. 206,828
5 Claims.
This invention relates to new and useful improvements in mixing apparatus.
One object of the invention is to provide an improved mixing apparatus for efficiently mixing two liquids and which is particularly adaptable for use in oil purification methods wherein petroleum oil is washed with Water for the purpose of removing salt, acid and other foreign substances from said oil.
An important object of the invention is to provide an improved mixing apparatus wherein the two liquids to be mixed are directed into a mixing zone from opposite sides whereby the counterflowing liquids engage each other to create a turbulence within the mixing zone which eifects a thorough mixing of said liquids; the particular arrangement which interrupts normal straightline flow of the liquids through the flow line functioning to maintain the liquids within the mixing zone for an increased period of time to further assure eificient mixing.
Another object is to provide an improved mixing apparatus wherein the velocity of admission of one of the liquids into the mixing zone is variable and may be readily adjusted to accurately control the mixing action; the variation in the velocity of the liquid stream being possible without any change or variation in the volume of said liquid, whereby the volumetric ratio of the liquids being admixed may remain constant under varying types of mixing action to assure efficient mixing under all conditions.
A still further object is to provide a mixing apparatus, of the character described, wherein co-axial inlet pipes are disposed to conduct one of the liquids to be mixed into the mixing zone, with means for controlling the volume of liquid flowing through both co-axial pipes to control the velocity of the flow streams and with further means for adjusting the outlet end of the inner pipe with respect to the mixing zone, whereby accurate control of the mixing action in the mixing zone is obtainable.
The construction designed to carry out the invention will be hereinafter described together with other features thereof.
The invention will be more readily understood from a reading of the following specification and by reference to the accompanying drawings forming a part thereof, wherein an example of the invention is shown, and wherein:
Figure 1 is a view, partly in section and partly in elevation of an improved mixing apparatus, constructed in accordance with the invention, and
Figure 2 is a diagrammatic view of an oil purification system in which the mixing apparatus has been found useful.
In the drawings, the numeral iil designates a flow line or conductor which conducts one of the liquids to be mixed in the direction indicated by the arrow A in Figure 1. For purposes of illustration this liquid will be assumed to be oil. The other liquid, which will be assumed to be water, is conducted into one end of the line or conductor through a pair of co-axial pipe elements I I and I2 which extend inwardly int-o the conductor lil through an end cap l3 which is threaded onto the end of said conductor. The open end of the outer pipe H is disposed within the conductor ill at a point beyond the outlet line [4 which extends from the conductor in a radial direction. As will be explained, the open or outlet end of the inner pipe 12 may have its position varied with respect to the end of the other pipe H. The direction of flow through the coaxial pipes H and I2 is in the direction of the arrow B in Figure 1.
The oil flowing in a direction to the right in h Figure 1 is directly contacted by the water emerging from the pipes II and i2 and the two counter-current streams upon striking each other will create a turbulence which will effect a thorough mixing of the two liquids. This turbulence is set up in a zone which is substantially defined by the dotted lines C within the conductor l0, and this zone may be identified as a mixing zone. It will be apparent that by control ling the velocity of the stream which is ejected from the small inner pipe [2, the distance of projection of the stream of water from this inner pipe into the flowing oil may be controlled; by increasing the velocity of the water ejected from the inner pipe, the projection of the stream into the flowing oil will be greater than where the velocity is decreased. The velocity of the stream ejected from the inner pipe will also control the force with which the stream of water engages the flowing oil, and this will have a definite effect on the mixing action which is created in the mixing zone C.
The contact between the water and oil and the resultant turbulence set up within the mixing zone C will effect a thorough admixture of the water and oil, and this mixture will then escape from the conductor Hl through the outlet line Hi. It is pointed out that for economical purposes the mixing zone C is actually formed within the conductor H], but if desired. this mixing zone could be provided by a separate mixing chamber to which the conductor l and co-axial pipes II and I2, as well as the outlet line Hi, are connected.
The co-axial pipe assembly which introduces the water into the mixing zone, together with the controls for controlling the volume and velocity of water flowing through each of the pipes, are clearly illustrated in Figure 1. As shown in this figure, the outerpipe l'l extends through the cap member I3 and has an annular flange it at its outer end. A suitable stufiing box It is connected to the flange I5 and the inner pipe or conduit l2 extends through the stuiilng box and is disposed axially within the outer pipe. The provision of the stuning box makes it possible to adjust the inner pipe or conduit l2 longitudinally of the outer pipe I! so that the outlet end of the inner pipe may be varied with respect to the outlet end of the outer pipe; as will be hereinafter explained. this adjustment of the inner pipe with respect to, the outer pipe assists in controlling the mixing action which is produced within the mixing zone C.
The water is supplied to the outer pipe I l of the co-axial pipe assembly through a water inlet line IT which. has one end welded or otherwise connected in a radial opening iii in the pipe H. A main control valve i9 is connected in the supply line i! and controls the volume of water which may pass this valve. A second valve 29 is also connected in the water line H in spaced relation to the first valve iii, and the adjustment of this valve controls the volume of water which is flowing to the outer pipe H. A, radial branch pipe 2'! is connected to the line I l between the control valves :9. and 2t, and this pipe has connection, preferably through a flexible nosing or conduit 22', with the outer end. of the inner conduit or pipe [2; The flexible connections 22 permit the longitudinal adjustment of the inner pipe i2 with respect to the outer pipe I I.
By adjusting the main control valve is the total volume of water which is conducted to both the inner and outer pipes H and i2 is accurately controlled; Adjustment of the second control valve 2.9 which is between pipe ii and branch line 2'l, accurately controls the volume of water which is flowing to the outer pipe 5 I and at the same time controls the water which flows to the inner conduit or pipe l2. After the main valve 99 has been adjusted to fix the volume of water which is to be admixed with the oil, the valve 26. may be adjusted to control the volume of water flowing to each of the pipes l i and i2. Since the inner pipe i 2 is of considerably less diameter than the outer pipe l i, it will be evident that the velocity of flow through the inner pipe will be greater than that through the outer. pipe if the volume to each pipe is the same. By adjusting the valve 20, any desired volume of water may be directed in desired ratios to the pipes ii and I2. An increase in the water volume conducted to the inner pipe i2 will result in an increase in velocity of flow through this pipe and will at the same time reduce the velocityv of flowin the outer pipe ll. Similarly, adjustment of the valve to decrease the volume of water flowing to the inner pipe will increase the supply of water to the outer pipe, andthis will obviously result in a change in velocities. It is thus apparent that the main control valve l8 controls the total volume of water which will be introduced by both pipes-while the control valve 28 will: determine the volumeof waterpassing through each ofthe pipes H and I2;
By controlling the velocity of the stream of water which is ejected from the inner pipe l2, it is possible to control the mixing action. If the velocity of flow of the stream flowing through the inner or small pipe [2 is increased, the stream which is discharging from this pipe will be ejected a greater distance into the mixing zone; on the other hand, a decrease. in the velocity will cause the discharging stream tdproject a lesser distance into the mixing zone. The distance which the stream is discharged into the mixing zone has a direct bearing on the turbulence which will be created and therefore upon the mixing action. It is thus obvious that a variation in the velocity of flow of the stream through the inner pipe i2 will: permit a. control of th mixing action.
Further control of the mixing action may be obtained by adjusting the outlet or discharge end of the inner pipe 12 with respect to the end of the outer pipe M. It is obvious that as the relatively high velocity stream emerges from the inner pipe, a suction effect is created which will pick up the water flowing through the outer pipe H and will drive this water into. intimate contact with the oil in the mixing. zone. The suction efiect of the stream emerging from the inner pipe upon the water flowing through the outer pipe will vary in accordance with the position of the discharge end of pipe l2 with pipe I l and thus.
a greater or lesser force can be imparted to the water which is being discharged through the outer pipe Ii. This results in a further control of the mixing action.
The operation of the device is believed to be obvious from the foregoing. The oil is moving in a direction to the right in the conductor ill while is water being introduced through the pipes H and I2 is moving in an opposite direction into the mixing zone. The volume of Water being introduced through both of the pipes M and i2, is controlled by the main valve l9, and such, valve is adjusted in accordance with the total amount of water to be admixed with oil., The valve 2! is adjusted to direct a portion of the water through the smaller or inner pipe 2 at the desired velocity; because the inner pipe is of a considerably smaller diameter than the outer pipe the flow stream discharging from the inner pipe has a.
higher velocity than the water emerging from the, outer pipe ll. The excess velocity of the inner stream will cause the stream discharging from the inner pipe it to penetrate some distance into the mixing chamber where the stream will be dispersed to some extent into the oil and will. then, start moving back in the same direction that. the.
oil is moving. As the discharged. water begins to move with the oil the particles which, have been originally broken up will be, contacted by the subsequent discharging. stream of water and subjected to further turbulence so. that. by the time the mixture has moved past the, discharge,
end of the outer pipe H, it has been. subjected.
to a very considerable beating or mixing action. The amount of turbulence created in the mixing zone bears a definite relationship to thevelocity of the Water being ejected from the-inner pipe [2, and this turbulence, can be controlled by controlling the velocity of the flow stream, discharging from said inner pipe. As above explained; the velocity is varied'ineither directionby, varying the control" valve 205. It is apparent that with the main control valve 19 fixed; an adjustment ofth valve 20 which will increase the volume of water flowing-through the inner pipe' will" also causeadecrease in the volume ofwater deli-vered through the outer pipe I I; however, since the energy of the stream flowing through the inner conductor increases with the increased vol ume, the lesser quantity of water emerging from the outer pipe II will be caught in the discharging stream or jet and will be driven into the mixing zone with greater and greater turbulence. This driving action, as has been explained, can be controlled to a further extent by adjusting the discharge end of the inner pipe with respect to the discharge end of the outer pipe. It is therefore obvious that the device provides an efiicient mixing apparatus wherein the mixing action can be controlled to provide the desired amount of mixing in accordance with the particular liquids which are supplied and according to the results which are being sought.
The apparatus has been described as mixing oil with water, but it is pointed out that it may be applied to mixing any two liquids. If the liquids are mutually soluble, the mixture can be eifected very rapidly; on the other hand, in the event that the liquids are not mutually soluble, one liquid may be dispersed into the other with any degree of fineness of the dispersed liquid merely by controlling the mixing action.
Although the mixing apparatus is applicable for any purpose where two liquids are to be mixed, it has been found particularly applicable to the mixing of oil and water for the purpose of washing petroleum oil with Water to remove salt, acid and other foreign substances from the oil. In Figure 2 a diagrammatic illustration of a desalting plant wherein the mixing apparatus may be used is shown. In this figure, a water supply line 23 from any suitable source has connection with a pump 24 which pumps the water through the supply line H. As explained the supply line has the main control valve 19 and the second control valve 20 connected therein with the branch line 2| extending from a point between said valves. Oil is supplied through a main line 25 and a pump 26 moves said oil through the conductor ID. The co-axial pipes l I and 12 are connected in the end of the conductor. The outlet line I4 connects the conductor with an electrical treater or demulsifier 21 wherein the oil-water mixture is subjected to electrical treatment in the usual manner.
It will be evident that the oil having salt therein is brought into contact with the water with the mixing action being controlled in the mixing chamber C by the improved apparatus. By proper control of the velocity of flow through the co-axial pipes II and [2, together with proper adjustment of the inner pipe with respect to the outer pipe, the mixing action may be controlled to assure an intimate mixing and washing of the oil, whereby the water will pick up the salt in the oil. With the salt in solution with the water by reason of the intimate mixing the subsequent separation of the water and oil in the electrical treater 21 will remove the majority of the salt which was originally present in the oil stream. Although Figure 2 illustrates the application of the mixing apparatus to a desalting operation, it is obvious that it may be employed in other treating processes and methods where a mixing action is necessary in effecting the removal of foreign substances from the oil.
Having described the invention, I claim:
1. A mixing apparatus for mixing two liquids including, a conductor for conducting one of the liquids to be mixed therethrough, an outlet line extending from the conductor, a conducting means for discharging the second liquid to be mixed into said conductor, said conducting means comprising an inner pipe and an outer pipe surrounding said inner pipe and of larger cross-sectional area, a liquid supply line connected to the outer end of the outer pipe, a branch line extending from the supply to the inner pipe, and valve means in the sup-ply line between the point of connection of the supply line to the outer pipe and the branch line for controlling the volume of liquid flowing to each of the inner and outer pipes and thereby controlling the velocities of flow therethro-ugh.
2. A mixing apparatus as set forth in claim 1 together with a main flow control means in the supply line beyond the branch line for controlling the total volume of liquid flowing to both inner and outer pipes.
3. A mixing apparatus as set forth in claim 1, wherein the inner pipe is adjustable axially with respect to the outer pipe. 7
4. A mixing apparatus for mixing two liquids including, means defining a mixing zone, a conductor for conducting one of the liquids to be mixed into the mixing zone, a. second conductor for conducting a second liquid into the mixing zone in a direction opposite to the direction of flow of the first liquid, said second conductor comprising a pair of co-axial inner and outer pipes the outer pipe surrounding said inner pipe and of larger cross-sectional area and arranged for parallel branch flo-w of said second liquid, an outlet line extending from the mixing zone for conducting the mixed liquids therefrom, and valve means associated with one of said co-axial pipes for controlling the velocity of flow of said second liquid flowing through said co-axial pipes to control the mixing action within the mixing chamber.
5. A mixing apparatus for mixing two liquids including, means defining a mixing zone, a con ductor for conducting one of the liquids to be mixed into the mixing zone, a second conductor for conducting a second liquid into the mixing zone in a direction opposite to the direction of flow of the first liquid, said second conductor comprising a pair of co-axial inner and outer pipes the outer pipe surrounding said inner pipe and of larger cross-sectional area and arranged for parallel branch flow of said second liquid, an outlet line extending from the mixing zone for conducting the mixed liquids therefrom, means for controlling the total volume of said second liquid flowing through the pair of said co-axial inner and outer pipes, and an additional control means associated with the outer pipe of said pair of co-axial pipes for varying the velocity of flow of said second liquid flowing through each of said co-axial pipes.
References Cited in the file of this patent UNITED STATES PATENTS Number Name Date 1,154,868 McI-Ienry Sept. 28, 1915 1,997,481 Buttner Apr. 9, 1935 2,471,667 Arnold May 31, 1949 2,509,288 Brochner May 30, 1950 2,527,689 Suthard et a1. Oct. 31, 1950
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US2977201A (en) * | 1956-11-28 | 1961-03-28 | Barnard & Leas Mfg Company Inc | Apparatus for producing liquid reaction products |
US3003751A (en) * | 1958-04-21 | 1961-10-10 | Conrad M Trost | Blender |
US3024171A (en) * | 1958-05-16 | 1962-03-06 | Phillips Petroleum Co | Method and apparatus for treating distillation overhead |
US3111304A (en) * | 1959-09-03 | 1963-11-19 | Grace W R & Co | Mixing apparatus |
US3186799A (en) * | 1960-04-19 | 1965-06-01 | Hach Chemical Co | Apparatus for automatic analyzing |
US3499632A (en) * | 1966-04-27 | 1970-03-10 | Sinclair Research Inc | Mixing apparatus |
US3726298A (en) * | 1971-07-27 | 1973-04-10 | Sun Oil Chem Co | Pressure control for flare systems |
US3726297A (en) * | 1971-04-14 | 1973-04-10 | Technicon Instr | Method and device for introducing for mixing a first liquid into a second liquid |
US4114195A (en) * | 1977-10-25 | 1978-09-12 | The Procter & Gamble Company | Fluid injector |
US4117550A (en) * | 1977-02-14 | 1978-09-26 | Folland Enertec Ltd. | Emulsifying system |
US4175702A (en) * | 1978-01-06 | 1979-11-27 | Poly-Glas Systems | Air nucleating spary gun |
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US4274749A (en) * | 1979-10-01 | 1981-06-23 | Clow Corporation | Polymer dispersion device |
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US4539120A (en) * | 1982-07-19 | 1985-09-03 | U.S. Environmental Products, Inc. | Methods of flocculating solids-bearing aqueous suspensions |
US4634574A (en) * | 1983-01-31 | 1987-01-06 | Iowa State Research Foundation, Inc. | Apparatus for use in sulfide chemiluminescence detection |
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US20050105389A1 (en) * | 2001-10-29 | 2005-05-19 | Karsten Wilken | Method and an apparatus for the continuous mixing of two flows |
WO2005077505A2 (en) * | 2004-02-11 | 2005-08-25 | The University Of Nottingham | Counter current mixing reactor |
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JP2010012363A (en) * | 2007-03-16 | 2010-01-21 | Okayama Univ | Micromixer |
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US1997481A (en) * | 1933-04-25 | 1935-04-09 | Bastian Blessing Co | Faucet |
US2471667A (en) * | 1945-08-21 | 1949-05-31 | Emery Industries Inc | Method for dry cleaning |
US2509288A (en) * | 1947-01-02 | 1950-05-30 | Internat Morfat Corp | Emulsifying apparatus |
US2527689A (en) * | 1946-12-11 | 1950-10-31 | Petrolite Corp | Apparatus for mixing |
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1951
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US1154868A (en) * | 1913-11-24 | 1915-09-28 | Clyde D Mchenry | Emulsifier. |
US1997481A (en) * | 1933-04-25 | 1935-04-09 | Bastian Blessing Co | Faucet |
US2471667A (en) * | 1945-08-21 | 1949-05-31 | Emery Industries Inc | Method for dry cleaning |
US2527689A (en) * | 1946-12-11 | 1950-10-31 | Petrolite Corp | Apparatus for mixing |
US2509288A (en) * | 1947-01-02 | 1950-05-30 | Internat Morfat Corp | Emulsifying apparatus |
Cited By (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2976024A (en) * | 1954-10-06 | 1961-03-21 | Pure Oil Co | Apparatus for preparing colloidal dispersions |
US2977201A (en) * | 1956-11-28 | 1961-03-28 | Barnard & Leas Mfg Company Inc | Apparatus for producing liquid reaction products |
US3003751A (en) * | 1958-04-21 | 1961-10-10 | Conrad M Trost | Blender |
US3024171A (en) * | 1958-05-16 | 1962-03-06 | Phillips Petroleum Co | Method and apparatus for treating distillation overhead |
US3111304A (en) * | 1959-09-03 | 1963-11-19 | Grace W R & Co | Mixing apparatus |
US3186799A (en) * | 1960-04-19 | 1965-06-01 | Hach Chemical Co | Apparatus for automatic analyzing |
US3499632A (en) * | 1966-04-27 | 1970-03-10 | Sinclair Research Inc | Mixing apparatus |
US3726297A (en) * | 1971-04-14 | 1973-04-10 | Technicon Instr | Method and device for introducing for mixing a first liquid into a second liquid |
US3726298A (en) * | 1971-07-27 | 1973-04-10 | Sun Oil Chem Co | Pressure control for flare systems |
US4117550A (en) * | 1977-02-14 | 1978-09-26 | Folland Enertec Ltd. | Emulsifying system |
US4114195A (en) * | 1977-10-25 | 1978-09-12 | The Procter & Gamble Company | Fluid injector |
US4175702A (en) * | 1978-01-06 | 1979-11-27 | Poly-Glas Systems | Air nucleating spary gun |
EP0009520A1 (en) * | 1978-08-09 | 1980-04-16 | R.E. Folland Consultants Inc. | Emulsifying system and method for mixing accurate quantities of two or more liquids |
US4274749A (en) * | 1979-10-01 | 1981-06-23 | Clow Corporation | Polymer dispersion device |
FR2495012A1 (en) * | 1980-12-02 | 1982-06-04 | Texaco Ag | APPARATUS FOR MIXING A SOLUTION OF CONCENTRATES ESPECIALLY WATER AND LIQUID POLYMERS FOR ASSISTED OIL RECOVERY |
US4539120A (en) * | 1982-07-19 | 1985-09-03 | U.S. Environmental Products, Inc. | Methods of flocculating solids-bearing aqueous suspensions |
US4634574A (en) * | 1983-01-31 | 1987-01-06 | Iowa State Research Foundation, Inc. | Apparatus for use in sulfide chemiluminescence detection |
WO1992011927A1 (en) * | 1990-12-26 | 1992-07-23 | H2Oil Corporation | Apparatus for making concentrated emulsions |
WO1997045194A1 (en) * | 1996-05-30 | 1997-12-04 | U.S. Filter Corporation | Motorless mixer |
EP1171228A2 (en) * | 1998-12-23 | 2002-01-16 | B.E.E. International Ltd. | Processing product components |
US6443610B1 (en) * | 1998-12-23 | 2002-09-03 | B.E.E. International | Processing product components |
EP1171228A4 (en) * | 1998-12-23 | 2002-10-16 | B E E Internat Ltd | Processing product components |
JP2002537963A (en) * | 1998-12-23 | 2002-11-12 | ビー・イー・イー・インターナショナル・リミテッド | Processing of product components |
US6749329B2 (en) | 1998-12-23 | 2004-06-15 | B.E.E. Corporation | Processing product components |
US20050105389A1 (en) * | 2001-10-29 | 2005-05-19 | Karsten Wilken | Method and an apparatus for the continuous mixing of two flows |
JP2007505613A (en) * | 2003-09-17 | 2007-03-15 | センテリオン | Method for preparing pharmaceutical grade plasmid DNA |
WO2005077505A3 (en) * | 2004-02-11 | 2005-11-10 | Univ Nottingham | Counter current mixing reactor |
WO2005077505A2 (en) * | 2004-02-11 | 2005-08-25 | The University Of Nottingham | Counter current mixing reactor |
US20070206435A1 (en) * | 2004-02-11 | 2007-09-06 | Lester Edward H | Counter Current Mixing Reactor |
JP2007526113A (en) * | 2004-02-11 | 2007-09-13 | ザ ユニバーシティ オブ ノッティンガム | Countercurrent mixing reactor |
US7566436B2 (en) | 2004-02-11 | 2009-07-28 | The University Of Nottingham | Counter current mixing reactor |
AU2005211990B2 (en) * | 2004-02-11 | 2010-07-29 | Promethean Particles Limited | Counter current mixing reactor |
KR101153043B1 (en) | 2004-02-11 | 2012-06-04 | 더 유니버시티 오브 노팅햄 | Counter current mixing reactor |
JP2010012363A (en) * | 2007-03-16 | 2010-01-21 | Okayama Univ | Micromixer |
JP2010012364A (en) * | 2007-03-16 | 2010-01-21 | Okayama Univ | Micromixer |
WO2019012266A1 (en) * | 2017-07-11 | 2019-01-17 | Cranfield University | Injectable fluid control valve |
GB2564449B (en) * | 2017-07-11 | 2020-04-08 | Univ Cranfield | Injectable fluid control valve |
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