Abstract: A fluid mixing device for mixing a first injection fluid and a second injection fluid includes a first fluid inlet, a second fluid inlet, a mixing chamber in fluid communication with the first and second fluid inlets, and an outlet port in fluid communication with the mixing chamber. The first fluid inlet is configured to conduct the first injection fluid in a first direction and has a first redirecting surface. The second fluid inlet is configured to conduct the second injection fluid in a second direction along a different axis from the first direction and has a second redirecting surface. The mixing chamber is configured to mix the first injection fluid and the second fluid together. The mixture of the first injection fluid and the second injection fluid exits the fluid mixing device via the outlet port.

Abstract: A flow of a chemical is mixed with a flow of a primary fluid to form a combined fluid, and during mixing a velocity of the combined fluid is maintained at a threshold value so that a resulting mixture of the chemical and primary fluid has a designated homogeneity. The primary fluid is directed to an end of a passage with a venturi like contour that is inside of a mixer, and the chemical is directed to a side passage that extends laterally in the mixer that intersects the passage. A spring loaded valve in the passage maintains the combined flow velocity at the threshold value.

Abstract: A fluid mixing device for mixing a first injection fluid and a second injection fluid includes a first fluid inlet, a second fluid inlet, a mixing chamber in fluid communication with the first and second fluid inlets, and an outlet port in fluid communication with the mixing chamber. The first fluid inlet is configured to conduct the first injection fluid in a first direction and has a first redirecting surface. The second fluid inlet is configured to conduct the second injection fluid in a second direction along a different axis from the first direction and has a second redirecting surface. The mixing chamber is configured to mix the first injection fluid and the second fluid together. The mixture of the first injection fluid and the second injection fluid exits the fluid mixing device via the outlet port.

Abstract: The disclosure relates to an axial-flow centrifugal separator for separating particles from a dispersion, in particular a suspension, which contains the particles and a fluid, the separator including a hollow cylindrical pipe section for conducting the dispersion in a conducting direction. An inner wall of the hollow cylindrical pipe section may have an internal thread, the lead angle of which increases in the conducting direction.

Abstract: A hydrocarbon injector deflector for a diesel exhaust system includes a base plate having a first end linearly extending to a second end to define a first side and a second side. The base plate is arcuately formed such that the first side extends arcuately to the second side. The first end is disposed upstream of the exhaust system relative to the second end. The hydrocarbon deflector further includes a frame connected to the second end of the base plate and extends therefrom at a first angle. The frame has an opening formed through the frame. The opening defines an outer wall having an inner side of the frame. The deflector further includes a tab extending from the inner side at a second angle.

Abstract: A mixer assembly for a vehicle exhaust system includes a mixer housing defining an internal cavity that is configured to receive engine exhaust gases and an upstream baffle that is positioned at an inlet end of the mixer housing. The upstream baffle comprises a plate having an open area that comprises a fixed geometric configuration through which exhaust gas enters the internal cavity. A valve is movable from a closed position toward an open position to provide a variable geometric configuration that changes the open area to reduce back pressure.

Abstract: This application includes mixing devices, methods, and systems in which a second fluid can be introduced through a second flow channel to a dispersion member for extrusion through a perforated portion of a dispersion member into a first flow channel for mixing with a first fluid. In some of the present mixing devices, methods, and systems, the second flow channel is substantially perpendicular to the first flow channel, and/or the perforated portion is disposed on a downstream portion of the dispersion member.

Abstract: A static mixer is described in which rows of mixing plates are used in a combination with nozzles that are located with respect to the mixing plates in a manner that is designed to produce a high level of mixing without significantly impeding the flow of flue gas passing through the rows of mixer plates. In various embodiments, the static mixer includes rows of tilted plates, and the injection lance nozzles are positioned to align with row boundaries corresponding to the boundaries between consecutive rows of mixing plates. In some embodiments, there are N rows of mixing plates and N-1 rows of nozzles. In some embodiments the nozzles are positioned to coincide with the boundaries between rows. The mixer assembly including injection nozzles and/or lances can be implemented in a relatively compact manner allowing for it to be placed in a shorter length of flue than many other mixer assemblies.

Abstract: The invention relates to a device for dispersing gas into a liquid. The devise has a number n of successive zones Z1, Z2, . . . , Zn having static mixing elements, wherein each zone Zi has a length Li and an effective diameter Di. The mechanical energy input Et, which is standardized to the particular ratio Li/Di and acts on the gas/liquid mixture, increases from zone to zone in the flow direction. In this connection n is a whole number greater than or equal to 3 and i is an index which runs through the whole numbers from 1 to the number n of zones. The invention further relates to a method for dispersing gas into a liquid using the device according to the invention.

Abstract: Methods for disguising dermatological blemishes are provided. The method includes providing a package containing at least a viscous silicone material and a catalyst. The silicone material or the catalyst is preferably tinted with a cosmetic pigment. The package may also include one or more dispensers, such as double-barrel syringes. The syringes hold the viscous silicone material and the catalyst, separately. The package may also have mixing tips through which the silicone material and the catalyst may be dispensed, whereupon the silicone material and the catalyst are mixed and applied to a user's skin for curing. The method includes applying the silicone mixture on a dermatological area of interest, applying one of the at least one skin texturing pad to the silicone mixture before the silicone mixture cures to create texture to the silicone material, and allowing the silicone material to cure on a skin surface of the human user.

Abstract: A system includes a solids combining system with a solids mixing section having a mixing chamber and a plurality of solids inlets configured to supply one or more solids into the mixing chamber. The system also includes a solids breakup section having a plurality of fluid inlets configured to supply one or more fluids into the mixing chamber and a solids flow control section having a converging-diverging passage downstream of the mixing chamber.

Abstract: A mixing silo for free-flowing finely divided solid materials, in particular for powdered, fibrous and/or granular mixed material, especially polymer granules, specifically suited for mixing polymer granules, having an excellent mixing quality and at the same time a simplified and improved suitability for washing out in order to avoid cross contamination. The mixing silo may be used for homogenizing possibly inhomogeneous polymer granule batches in the form of a stream of product from a process producing polymer granules.

Abstract: To promote mixture of fluids on a plurality of stages, flow channels include a plurality of merging portions which penetrate from a top surface to a back surface of a substrate. An end of each of the sub channels is disposed so as to overlap the main channel at each of positions separated along the direction in which the main channel extends, and each of the merging portions communicates the main channels and the ends of the sub channels with each other, thereby changing a flow direction of the second fluid flowing through the sub channels to the thickness direction of the substrate, and merges the second fluid with the first fluid flowing through the main channels.

Abstract: Apparatus (20) for injection of fluid into extrusion system components such as a preconditioner (24) or extruder (100) is provided, preferably as a composite assembly including a fluid injection valve (52) and an interconnected static mixer section (54). Alternately, use may be made of the fluid injection valve (52) or static mixer section (54) alone. The invention greatly simplifies the fluid injection apparatus used in extrusion systems, while giving more efficient absorption of thermal energy with a minimum of environmental contamination, and the ability to inject multiple streams into the extrusion systems.

Abstract: This application includes mixing devices, methods, and systems in which a second fluid can be introduced through a second flow channel to a dispersion member for extrusion through a perforated portion of a dispersion member into a first flow channel for mixing with a first fluid. In some of the present mixing devices, methods, and systems, the second flow channel is substantially perpendicular to the first flow channel, and/or the perforated portion is disposed on a downstream portion of the dispersion member.

Abstract: A flow passage structure having a plurality of flow passageways therein includes a first junction portion for joining a first fluid introduced into a first inlet path and a second fluid introduced into a second inlet path, a first joined fluid flow passage through which a fluid made by joining both the fluids flows, a branch portion for dividing the fluid flowing in the first joined fluid flow passage into two fluids, a first branch path through which one of the two divided fluids flows, and a second branch path through which the other flows, wherein a corresponding diameter of the first branch path and a corresponding diameter of the second branch path in each of the passageways are smaller than a corresponding diameter of the first joined fluid flow passage in the passageway.

Abstract: A device and method are provided for manipulating petroleum, non-conventional oil and other viscous complex fluids made of hydrocarbons that comprise enforcement of fluid in a multi-stage flow-through hydrodynamic cavitational reactor, subjecting said fluids to a controlled cavitation and continuing the application of such cavitation for a period of time sufficient for obtaining desired changes in physical properties and/or chemical composition and generating the upgraded products. The method includes alteration of chemical bonds, induction of interactions of components, changes in composition, heterogeneity and rheological characteristics in order to facilitate handling, improve yields of distillate fuels and optimize other properties.

Abstract: In a mixing system for two-component cartridges having a neck section structure with an inner discharge channel and an outer tubular discharge channel for discharging first and second material components from first and second chambers of the cartridge, the inner discharge channel is provided with pockets extending into the outer discharge channel for dividing the second material flow into second material flow strands and a baffle plate is arranged centrally in front of the inner discharge channel for directing the inner material flow outwardly through the pockets in strands of the inner material component between strands of the outer material component, so that a pre-mixing of the material components occurs already directly at the openings of the discharge channels.

Abstract: The invention provides a mixing system comprising the following: A) at least one extensional flow mixer comprising: a generally open and hollow body having a contoured outer surface and having: a single entrance port and a single exit port; a design for compressing a bulk stream, and a design for broadening the bulk stream and the at least one injected additive stream; B) a flow conductor; and C) a primary additive stream injector, as described herein; and wherein the extensional flow mixer is followed by D) a first helical static mixing element that is at least one half “flow conductor diameter (D1)” downstream of the exit port of the extensional flow mixer; and wherein the mixing system comprises at least four helical static mixing elements, placed such that the leading edge of the first helical static mixing element is located perpendicular to the main axis (major axis) of the exit port of the extensional flow mixer.

Abstract: A flow channel structure that includes a first inlet path for a first fluid, a second inlet path for a second fluid, a merging portion that merges, in the thickness direction of a substrate, the first fluid and the second fluid, a first merged fluid channel in which both fluids merged in the merging portion flow along a top surface of the substrate, a flow direction altering portion that causes the flow direction of the fluid flowing through the first merged fluid channel to change from the top surface side of the substrate towards the back surface side thereof, and a second merged fluid channel for changing the flow direction of this fluid to flow to the downstream side so that the fluid flowing from the first merged fluid channel through the flow direction altering portion flows along the back surface of the substrate.

Abstract: The present invention relates generally to methods and systems for mixing at least two different solid materials (e.g., adsorbents) and loading the mixture into a vessel, such as an adsorption vessel or reactor.

Abstract: Methods and apparatus are presented for mixing fluid flowing through a wellbore extending through a subterranean formation. A static mixer assembly is positioned in a tubing string, the mixer having a plurality of vanes extending radially into an interior fluid flow passageway. Downhole tools are movable through a tool passageway defined in the static mixer assembly. The tools can pass unobstructed by the fixed vanes. Alternately, the tool can flex the elastic vanes as it passes through, the vanes returning to position after passage of the tool. The vanes are preferably circumferentially spaced and longitudinally spaced. The vanes can extend from an interior wall surface of the assembly or from a sleeve inserted into the mixer assembly.

Abstract: Methods are provided for achieving dynamic mixing of two or more fluid streams using a mixing device. The methods include providing at least two integrated concentric contours that are configured to simultaneously direct fluid flow and transform the kinetic energy level of the first and second fluid streams, and directing fluid flow through the at least two integrated concentric contours such that, in two adjacent contours, the first and second fluid streams are input in opposite directions. As a result, the physical effects acting on each stream of each contour are combined, increasing the kinetic energy of the mix and transforming the mix from a first kinetic energy level to a second kinetic energy level, where the second kinetic energy level is greater than the first kinetic energy level.

Abstract: An apparatus for blending two or more fluid streams, wherein a first fluid has a higher density than the other fluids, includes a first fluid director and at least a second fluid director providing fluid communication of a first and second fluid stream, respectively, to a primary mixing chamber. The first fluid director includes one or more baffles to disturb the first fluid stream and to direct it toward a rearward portion of the first inlet to the primary mixing chamber. A secondary blending chamber is in fluid communication with the primary chamber outlet and includes at least one, and preferably two static mixers. When two static mixers are serially retained in the secondary blending chamber, they may be skewed rotationally relative to each other such that the orifice profiles of each static mixer are not in alignment.

Abstract: This invention provides microfluidic devices that comprise a fluidics layer having microfluidic channels and one or more regulating layers that regulate the movement of fluid in the channels. The microfluidic devices can be used to mix one or more fluids. At least a portion of the fluidics layer can be isolated from the regulating layer, for example in the form of a shelf. Such isolated portions can be used as areas in which the temperature of liquids is controlled. Also provided are instruments including thermal control devices into which the microfluidic device is engaged so that the thermal control device controls temperature in the isolated portion, and a movable magnetic assembly including magnets with shields so that a focused magnetic field can be applied to or withdrawn from the isolated portion or any other portion of the microfluidic device. Also provided are methods of mixing fluids.

Abstract: A fluid micro-mixer apparatus includes a plurality of first microchannels for receiving a first fluid and a plurality of second microchannels for receiving a second fluid. A mixing chamber flow path is disposed to receive the first and second fluids after the first and second fluids exit their respective output ports. The mixing chamber flow path can include a first mixing chamber in the vicinity of the respective output ports, and the mixing chamber flow path can separate into at least two different flow paths downstream from the first mixing chamber.

Abstract: A gas diluter which comprises: dilution chambers in which a first gas is mixed with a second gas to reduce the concentration of the first gas; connecting passages with which the dilution chambers are connected serially; branched passages through which the first gas is distributed to the dilution chambers, an introduction passage through which the second gas is introduced into the dilution chamber, which is located at one end of the serially connected dilution chambers; and a discharge opening through which the gas obtained by mixing the first gas with the second gas is discharged from the dilution chamber, which is located at the other end of the serially connected dilution chambers.

Abstract: A micro fluidic device is provided, the micro fluidic device including: at least one first introduction pipe into which first fluid is introduced; at least one second introduction pipe into which second fluid is introduced, the second introduction pipe being disposed adjacent to the first introduction pipe; a common channel connected to the first introduction pipe and the second introduction pipe, wherein in the common channel the first fluid and the second fluid are mixed; and a first group of rectification parts, the rectification parts of the first group being provided individually for the first introduction pipe or the second introduction pipe and generating a helical flow in the first fluid and the second fluid, wherein the helical flow in the first fluid and the helical flow in the second fluid have a same circumferential direction.

Abstract: A mixing apparatus is disclosed. The mixing apparatus comprises a mixing device having a constant flow area. The mixing device is configured to create a shearing environment. Several types of mixing apparatus are disclosed. Methods for producing aqueous fuel emulsions with consistently uniform dispersed phase particle sizes using a mixing apparatus are also disclosed.

Abstract: In order to provide, when a plurality of fluids each containing a different kind of substance are mixed and reacted, a reactor having a mixing channel capable of forming a multi-layered flow in a radial direction in the cylindrically-shaped mixing channel; improving mixing performance by synergizing swirling effects of mixture of turbulent flows and a swirling flow; and producing a reaction product with a high yield as well as high efficiency, a mixing channel 1 which mixes fluids 4 and 5 each containing the different kind of substance is cylindrically shaped, and inlet passages 2 and 3 which introduce the fluids 4 and 5, respectively, are plurally arranged in a manner offset from a central axis of the mixing channel 1.

Abstract: A gas mixing arrangement for mixing a process gas (MF) of a process plant, which arrangement comprises a gas duct (10a) for flow of said process gas, a mixing plate section (24) arranged in the gas duct (10a) and comprising at least one mixing plate (42, 44) arranged at an angle with respect to a main flow direction (C) of said process gas flowing through the gas duct (10a). The arrangement further comprises a guide vane section (22) arranged upstream of said mixing plate section (24) to cooperate therewith in mixing the process gas (MF) flowing through the gas duct (10a), the guide vane section (22) comprises a first group of guide vanes (26) arranged to direct a first gas flow portion (GP1) in a direction towards a first side wall (34) of the gas duct (10a), and a second group of guide vanes (28) arranged to direct a second gas flow portion (GP2) in a direction towards a second side wall (36) of the gas duct (10a), said second side wall (36) being opposite said first side wall (34).

Abstract: Embodiments of the present invention relate to a mixing apparatus. Particularly, embodiments of the present invention provide a mixing apparatus for mixing fluid components such as phosgene and amine during a highly reactive chemical reaction. One embodiment provides a mixing conduit (100) comprising a cylindrical sidewall (101) defining an inner volume, wherein one or more jets are formed through the cylindrical sidewalls and connect to the inner volume and one or more flow obstructions (103) disposed in the inner volume, wherein each flow obstruction is positioned upstream from an associated aperture (102).

Abstract: A high efficiency mixing device for mixing first and second fluids within a conduit. A biscuit element is positioned at the upstream end of the conduit having a longitudinal axis that coincides with the longitudinal axis of the conduit. The biscuit element is provided with a plurality of openings including a central opening positioned along the longitudinal axis and a plurality of additional openings spaced proximate to the central opening. The openings are provided with primary mixing elements which induce a rotational angular velocity to a first fluid passing therethrough of the same rotational sign. Second fluid feed ports are positioned within each of the openings for introducing a second fluid to the first fluid as the first fluid passes through the openings and into the conduit. Secondary and tertiary mixing elements are optionally located downstream of the biscuit element to enhance the mixing of the first and second fluids.

Abstract: Devices and methods for mixing a clotting agent with other inputs such as blood, blood derived product, bone marrow, and/or bone marrow derived product to form a congealed mixture.

Abstract: An in-line mixing apparatus is especially useful for iodine extraction from brine. Three fluids (brine, an oxidant such as sodium hypochlorite, and an acid such as HCl) are mixed in the apparatus. The apparatus includes an inner tube and an outer tube. Openings are present in the sidewall of the inner tube to connect the interior volume of the inner tube with the annular volume between the inner tube and the outer tube. Fluid is passed into the inner tube and flows through the openings into the annular volume, causing immediate and vigorous mixing and chemical reaction to obtain elemental iodine.

Abstract: The invention provides devices and methods for increasing the degree of mixing of fluids, including under conditions of laminar flow and turbulent flow. In one embodiment, mixing of fluids using the invention's devices and methods is increased by splitting the flow of at least one of the fluids into two or more inlet channels. This is optionally followed by further splitting and merging (e.g., using one or more split and merge (SAM) mixer) the fluids.

Abstract: A dispenser apparatus for dispensing an adhesive containing at least two components includes a mixing device and a header. The mixing device comprises a conveying plate having first and second grooved surfaces each overlaid by a respective cover plate. The conveying plate and opposed cover plates cooperate to define a plurality of separated channels extending through the mixing device. The discharge ends of the channels are interdigitated. First and a second distribution manifolds are defined within the mixing device. A supply port adapted to receive one adhesive component extends through a respective cover plate into fluid communication with one of the distribution manifolds.

Abstract: A mixing device for mixing adhesives containing at least two components comprises a conveying plate having first and second grooved surfaces each overlaid by a respective cover plate. The conveying plate and the opposed cover plates cooperate to define a plurality of separated channels extending through the mixing device. The discharge ends of the channels are interdigitated. First and a second distribution manifolds are defined within the mixing device. A supply port adapted to receive one adhesive component extends through a respective cover plate into fluid communication with one of the distribution manifolds.

Abstract: A mixing device comprises a circular disc of fin sections positioned so as to create openings in the inner and outer regions of the mixing device that generate oppositely rotating flows of exhaust gas. Each fin section may be identical, and may be created by a stamping process. The smooth surface of each fin section reduces creases, and thus, is less prone to urea buildup.

Abstract: A pre-mixing apparatus for a turbine engine includes a main body having an inlet portion, an outlet portion and an exterior wall that collectively establish at least one fluid delivery plenum, and a plurality of fluid delivery tubes extending through at least a portion of the at least one fluid delivery plenum. Each of the plurality of fluid delivery tubes includes at least one fluid delivery opening fluidly connected to the at least one fluid delivery plenum. With this arrangement, a first fluid is selectively delivered to the at least one fluid delivery plenum, passed through the at least one fluid delivery opening and mixed with a second fluid flowing through the plurality of fluid delivery tubes prior to being combusted in a combustion chamber of a turbine engine.

Abstract: A method and apparatus for mixing at least one gaseous fluid stream with a large gas stream flowing in a gas duct, especially for introducing a reducing agent into a flue gas containing nitrogen oxides. The gas stream is directed against at least one disk-shaped mixer element on an inlet side that is inclined at an angle counter to the direction of flow of the gas stream, wherein eddy-type whirls form at the mixer element. The gaseous fluid stream is guided essentially to the center of an impact surface associated with the discharge side of the mixer element and is admixed with a gas stream downstream of the mixer element and is guided essentially perpendicularly onto the center of the impact surface on the discharge side such that the gaseous fluid is distributed over the entire discharge side from the center thereof and is incorporated across the entire whirl system formed at the peripheral edge of the mixer element.

Abstract: A device for spreading a two-component coating material, including at least two components, on a flat web-shaped carrier includes a slotted nozzle provided with an output slot whose length defines the width of the coating material application to the carrier, wherein the slotted nozzle is provided with two end areas and a nozzle chamber which is arranged inside the slotted nozzle and extends in a parallel to the output slot from the first to the second end area. A first mixer is arranged in the region of the first end area. A second mixer is positioned in the region of the second end area. At least one first reservoir for the first component and at least one second reservoir for the second component are provided. A transport mechanism is used for individually transporting the first component from the first reservoir to the first and second mixers and for transporting the second component from the second reservoir to the first and second mixers.

Abstract: A blending apparatus for blending a first fluid stream having a first density and a second fluid stream having a second fluid density, the first density being greater than said second density, is discussed. The apparatus includes a first fluid director including a plurality of baffles affixed therein to create turbulence and shear in the first fluid, a cylindrical second fluid director, a primary mixing chamber receiving the first sheared fluid from the first fluid director and receiving the second fluid from the second fluid director, wherein the first fluid and second fluid are mixed in the primary mixing chamber to form a mixed primary fluid stream, and a secondary blending chamber comprising at least one static mixer and coaxially aligned with and receiving the mixed primary fluid stream from the primary mixing chamber.

Abstract: The dispensing device for single use includes a multicomponent cartridge with a closure and a mixer. The cartridge and the mixer form an interconnected unit and the closure, arranged between the outlets of the cartridge and the inlets of the mixer, is configured as a valve arrangement in order to establish a connection between the cartridge outlets and the mixing elements of the mixer after performing a relative movement between the mixer and the cartridge or syringe. In certain embodiments of the invention the connection is effected by rotation of the mixing unit relative to the cartridge, and in other embodiments of the invention by axial displacement of the mixing unit relative to the cartridge. This results in a disposable dispensing unit that can be economically produced and is particularly easy to use.

Abstract: A cylinder-shaped flow passage in which a first fluid flows includes an internal cylinder which is smaller in diameter than the flow passage. A swirl-generating stator having four vanes is radially fixed in the internal cylinder. A header space for supplying a second fluid is provided to the outer circumference of a wall surface of the internal cylinder in contact with flow separation areas which are formed along downstream surfaces of the swirl-generating stator as the first fluid runs into the swirl-generating stator. The wall surface of the internal cylinder is formed with openings through which the flow separation areas communicate with the header space. The second fluid supplied into the header space flows through the openings into the flow separation areas, and is diffused along the vanes of the swirl-generating stator to be swirled and mixed into the first fluid applied with swirling force by the swirl-generating stator.

Abstract: The multicomponent cartridge has a container with chambers for the reception of different fluid components, a mixer element fixed on the container for the mixing of the components and a dispensing tube placed onto the mixer element and connected to the container for the dispensing of the mixed components. The mixer element is configured as a guide element for the axial displacement of the dispensing tube between an open position for dispensing of the mixed components and a closed position.

Abstract: An apparatus and method for mixing gas streams of different temperatures and/or compositions contemplates that at least one of the streams contains particle. The apparatus includes a main duct for the first gas stream and a plurality of duct assemblies extending in the main duct generally transversely to the first gas stream. Each assembly has plural inlets and outlets for receiving and discharging separate parts of the second gas stream, moving initially generally transverse to the first stream. The assemblies each have plural secondary ducts of mutually different lengths from inlet to outlet, the outlets being spaced from each other across the main duct for distributing the parts of the second gas stream into the first gas stream. A gas flow deflector is connected to each duct assembly for temporarily deflecting the first gas stream before it is combined with the parts of the second gas stream.

Abstract: A mixer for mixing liquid additive with polymer dope constituted by cellulose ester as polymer and solvent is provided. There is a mixing conduit for flow of the polymer dope. A supply conduit ejects liquid additive into the polymer dope in the mixing conduit. A rotor hub is positioned downstream from the supply conduit, contained in the mixing conduit rotatably about an axis directed in a flow direction of the polymer dope, and has a diameter decreasing end on an upstream side. A driving device with electromagnets rotates the rotor hub by electromagnetic induction through a chamber inside the mixing conduit. Furthermore, a support is disposed within the mixing conduit to extend transversely to the flow direction, for supporting the rotor hub rotatably. Flow openings are formed in the support, for passing the polymer dope in the flow direction about the rotor hub.

Abstract: A mixer in a solution casting system mixes liquid additive with polymer dope fed through a flow line and constituted by cellulose ester as polymer and solvent. A mixer housing is in the flow line for passing the polymer dope through to be mixed. A supply conduit causes flow of the liquid additive for addition to the polymer dope. A distribution channel is formed with the supply conduit, positioned in the flow line, for spreading the liquid additive in a transverse direction of a flow passage in the flow line, to eject the liquid additive. A rotor hub is shaped with a decreasing diameter, contained in the mixer housing, opposed to the distribution channel, and directs the polymer dope in a ring shape after addition of the liquid additive. The flow line collects the polymer dope in a position downstream from the rotor hub.

Abstract: An apparatus and method for mixing and dispensing liquids without contamination of starting liquids during the dispensing operation, the apparatus comprising a first container, resiliently deformable, containing a first liquid, a second container containing a second liquid, and a mixing chamber.