Abstract: A mixing baffle for mixing a fluid flow in a static mixer includes a mixing element support structure extending along a longitudinal direction and a first set of moveable mixing elements coupled to the mixing element support structure. The first set of moveable mixing elements is formed in a first configuration and moves to a second configuration when the mixing baffle is inserted into a tubular conduit. In the second configuration, the first set of moveable mixing elements is optimized for mixing fluids and defines a plurality of undercuts that are difficult to mold. The mixing baffle may also include a second set of stationary mixing elements that interlace with the first set of moveable mixing elements when the first set of moveable mixing elements moves to the second configuration.

Abstract: A heat exchanger is presented that provides for mixing of a process fluid to prevent localized spikes in temperatures. The heat exchanger includes a mixing chamber within the exchanger, where a first process fluid passes from process tubes after being partially heated. The heat exchanger further includes an intermediate shell for passing a second process fluid into the fired heater and for exchanging heat with the first process fluid. The fluid flows from the mixing chamber to other process tubes for further heating.

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: A micromixer device has at least one fluid inlet channel and at least one fluid outlet channel. A plurality of pathways extend between the fluid inlet channel and the fluid outlet channel. The width of at least some of the plurality of pathways varies in a substantially parabolic manner along at least one dimension of the micromixer device.

Abstract: A micromixer is fabricated using a selective high intensity focused ultrasound foaming technique. The micromixer employs a 3D porous region for effective mixing. The 3D porous micromixer can achieve sufficient mixing results with a short mixing length for flows with a Reynolds number as low as 0.1. The fabrication process of the micromixer is rapid, low-cost, and biocompatible. The pore size of the micromixer can be controlled by adjusting the selective high intensity focused ultrasound foaming parameters. The micromixer has potential for use in lab-on-a-chip and micro-total-analysis devices.

Abstract: A gas mixer is disclosed which includes a vessel (10) (e.g., pipe) containing a stream (12) of a first hydrocarbon-containing gas. The mixer includes a hollow pipe (14) located internal to the vessel containing a stream of a second gas, e.g., an oxygen-containing gas stream such as a stream of pure oxygen gas or air enriched with oxygen. The internal pipe further includes a mixer tip (30) at the peripheral end thereof. The mixer tip includes a body having an internal passage for conducting the second gas out of the pipe and an opening introducing the second gas stream into the first gas stream in a radial plane at an acute angle relative to the longitudinal axis of the pipe. The pipe further includes a deflector (20) on its external surface in longitudinal alignment with the opening of the mixer tip. The deflector serves to deflect any entrained particles within the first gas stream away from the mixing zone where the two streams mix, minimizing the risk of ignition of the hydrocarbon-containing gas.

Abstract: An exhaust mixer (16) is provided for use in an engine exhaust system (10) downstream from an additive injector (14). The mixer (16) includes eight vanes (20), with four of the vanes (20A) extending from a first side (22) of the mixer (16) and arranged in an equally spaced circumferential array around a central axis (24), and the other four of the vanes (20B) extending from an opposite side (26) of the mixer (16) and arranged opposite from the other four vanes (20A) in an equally spaced circumferential array.

Abstract: A mixing device for a fuel reformer for mixing at least two fluids is provided. The mixing device includes at least a first plurality of holes which is arranged along a first row, and a second plurality of holes which is arranged along a second row. The mixing device can be used in a fuel reformer for converting hydrocarbon fuel into hydrogen rich gas by auto-thermal reaction process having a, preferably cylindrically shaped and double walled, housing with two side walls forming a reaction chamber of the fuel reformer, wherein hydrocarbon fuel and an oxidizing agent are mixed by the mixing device.

Abstract: A multi-gas mixer for supplying a gas mixture that can uniformly mix a plurality of gases according to the proportional percentages determined by the mass flow rate of each gas is disclosed. The multi-gas mixer comprises a mixer chamber, a plurality of gas inlets, a gas mixture outlet, and at least one gas rotating and mixing unit. The present invention also provides a method for controlling the percentage of each gas to be mixed by use of a plurality of mass flow rate controllers to control the gas flow to produce a gas mixture according to a predetermined proportionality. When the multi-gas mixer delivers a gas mixture to a high-speed plasma torch, the torch can be stably operated under a high voltage (>85V) and a medium current (<650 A) so that a long-arc, high-temperature and high-speed plasma flame can be generated.

Abstract: A polymer composition containing two kinds of polymers and having a difference in its glass transition temperature of 3° C. or lower between before and after heat-treatment by getting it through a space between two parallel faces in a molten state.

Abstract: In one embodiment of the disclosure, a fluid mixing device comprises a flow duct, with a wall having an inner surface defining a fluid flow path for a primary flow, and at least one deployable and retractable projection. The projection is adapted to controllably generate at least one secondary flow adjacent the inner surface, In other embodiments, methods are provided of controllably mixing at least one fluid within a fluid mixing device.

Abstract: The present invention relates to a hole-jetting type reactor and its applications, in particular to a process for the production of isocyanates by the phosgenation of aliphatic or aromatic diamines or triamines in the gas phase using this reactor. The present invention achieves a good mixing and reacting result of the gas-phase phosgenation reaction at a high temperature by improving the mixing of reactants in the reactor to reduce the possibility of forming swirls and eliminate negative pressure produced at a local jet area, which can finally reduce back-mixing and formation of solid by-products.

Abstract: An in-line-type fluid mixer is provided, which includes a first channel-forming part defining a first inlet channel from a first inlet portion to a first passage portion; a second channel-forming part defining a second inlet channel from a second inlet portion to a second passage portion; a third channel-forming part defining an outlet channel having a sectional area that increases from a narrower portion through a flaring portion to an outlet portion, and being communicated with the first inlet channel and the second inlet channel, respectively, at an end of the narrow portion; and a whirling stream-generating part for generating a whirling stream in at least one of the first inlet channel and the second inlet channel.

Abstract: One aspect of the present invention relates to a mixing system for use in a chemical-process column. The mixing system includes a heavy-reactant mixing surface arranged perpendicular to a flow of reactant through the chemical-process column. The mixing system also includes an aperture formed in the heavy-reactant mixing surface. A pre-distributor is coupled to an underside of the mixing system and fluidly coupled to the aperture.

Abstract: Mixing device for two gases/vapours (hereinafter gases) comprising: a) a plurality of tubes arranged in a bundle (1), each provided, in its initial portion, with a plurality of side holes (5); b) a first feeding system of one of the two gases, comprising a first tubular body (6) situated on the inlet side of the tubes, and c) a second feeding system of the other gas comprising a second tubular body (7) that envelopes in a gas-proof way the tube bundle (1) and at least a portion of the first tubular body (6); characterized in that: d) the first feeding system of one of the gases comprises a plurality of fins (8), inside the first tubular body (6), which allow a uniform distribution of the feeding gas to the single tubes.

Abstract: One exemplary embodiment can be a method of fabricating a mixing chamber in a hydroprocessing reactor. The method can include providing a first section forming an opening and coupling a second section including a sidewall to the first section. The second section forms a flange for coupling the mixing chamber and facilitating the mixing of one or more fluids.

Abstract: An array of airfoil-shaped micro-mixers that enhances fluid mixing within permeable membrane channels, such as used in reverse-osmosis filtration units, while minimizing additional pressure drop. The enhanced mixing reduces fouling of the membrane surfaces. The airfoil-shaped micro-mixer can also be coated with or comprised of biofouling-resistant (biocidal/germicidal) ingredients.

Abstract: A method and an apparatus are described for use in the irradiation of fluids. The apparatus has an elongate conduit (312) having a central axis (334) and two or more elongate ultraviolet radiation sources (114) extending along the interior of the conduit for irradiation of the fluid within the conduit. An array of static mixer elements (300) is located within the conduit, and the two or more elongate ultraviolet radiation sources (114) are arranged to extend through apertures in deflection surfaces of the static mixer elements making up the array (300). The apparatus and method allows for reliable and uniform ultraviolet irradiation of fluids of low UV transmissivity, such as turbid fluids, particularly for ultraviolet disinfection of such fluids. Wipers may be fitted to the static mixer elements to enable relative movement between the static mixer elements and the surfaces of the elongate ultraviolet radiation sources to clean the surfaces of the sources without need to dismantle the apparatus.

Abstract: A flow modulator to control the flow of an aerosol to an aerosol detection and/or monitoring system and other aerosol flow systems includes a chamber having an inlet and an outlet, a diverging section of the chamber beneath the inlet that has a flow divider at the center to divide the aerosol into fractions, a recirculation section in which the divided aerosol fractions are recombined, and a converging section that channels the recombined aerosol fractions to the outlet of the chamber.

Abstract: A receptacle having a plurality of interconnected chambers arranged to permit multiple process steps or processes to be performed independently or simultaneously. The receptacles are manufactured to separate liquid from dried reagents and to maintain the stability of the dried reagents. An immiscible liquid, such as an oil, is included to control loading of process materials, facilitate mixing and reconstitution of dried reagents, limit evaporation, control heating of reaction materials, concentrate solid support materials to prevent clogging of fluid connections, provide minimum volumes for fluid transfers, and to prevent process materials from sticking to chamber surfaces. The receptacles can be adapted for use in systems having a processing instrument that includes an actuator system for selectively moving fluid substances between chambers and a detector. The actuator system can be arranged to concentrate an analyte present in a sample.

Abstract: In one embodiment of the disclosure, a fluid mixing device comprises a flow duct, with a wall having an inner surface defining a fluid flow path for a primary flow, and at least one deployable and retractable projection. The projection is adapted to controllably generate at least one secondary flow adjacent the inner surface. In other embodiments, methods are provided of controllably mixing at least one fluid within a fluid mixing device.

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 microfluidic device that comprises several microchannel structures in which there are an inlet port, an outlet port and there between a structural unit comprising a fluidic function. The structural unit can be selected amongst units enabling a) retaining of nl-aliquots comprising constituents which has been defined by mixing of aliquots within the microfluidic device (unit A), b) mixing of aliquots of liquids (unit B), c) partition of larger aliquots of liquids into smaller aliquots of liquids and distributing the latter individually and in parallel to different microchannel structure of the same microfluidic device (unit C), d) quick penetration into a microchannel structure of an aliquot of a liquid dispensed to an inlet port of a microchannel structure (unit D), and e) volume definition integrated within a microchannel structure (unit E).

Abstract: The invention provides a fluid mixer comprising a substrate defining channels having varying widths and depths, wherein the channels have a total mixing distance of from about 50 microns to 1 millimeter. Also provided is a method for mixing fluids, the method comprising: directing a plurality of fluids to a mixing channel having a first width and a first depth; redirecting the directed plurality of fluids to a mixing channel having a second width smaller than the first width and having a second depth greater than the first depth; and repeating the process.

Abstract: Provided are piggable static mixers, apparatus for generating a non-plugging hydrate slurry, systems incorporating the same, and methods of using the same. Piggable static mixers include an inlet orifice, an outlet orifice in fluid communication with the inlet orifice, and a mechanism fluidly coupled between the inlet and outlet orifices. The mechanism is configurable between a first state and a second state. Fluid flow between the inlet and outlet orifices is substantially unimpeded when the mechanism is in the first state. A static mixer element impinges upon the fluid flow when the mechanism is in the second state. The system further includes a production facility and a production line. The system and methods provided are useful for production of wellstream hydrocarbons from subsea and arctic environments.

Abstract: The apparatus for the production of foams includes an extrusion device for the plastification of a polymer melt, a heat exchanger for the cooling of the polymer melt, and also a connection piece for the connection of the extrusion apparatus to the heat exchanger. The connection piece contains a metering device for the introduction of a foaming agent into the polymer melt.

Abstract: A microchip for forming an emulsion has a first glass substrate, a second glass substrate and a silicon substrate. The silicon substrate has formed therein a first fluid flow path through which a first fluid flows and a second fluid flow path through which a second fluid that is not mixed with the first fluid flows. The first fluid flow path has a plurality of branched flow paths that join at a joint portion. The second fluid flow path communicates with the joint portion. The silicon substrate has formed therein an emulsion formation flow path that faces an edge portion of the second fluid flow path at the joint portion. An emulsion composed of the first fluid and the second fluid that is surrounded by the first fluid is formed in the emulsion formation flow path.

Abstract: A method comprising preparing a solution of clay particles solution, submitting the solution of clay particles first to a high pressure and high velocity flow for shearing the particles in the solution of clay particles, and to a sudden lower pressure, whereby the particles explode into the mist of the solution of clay particles, and mixing the finely dispersed clay solution, whereby epoxy is introduced in the solution of clay particles during on of the above steps of preparing the solution of clay particles or dispersing the solution of clay particles or to the resulting dispersed solution of clay particles, yielding an extremely fine and homogeneous distribution of the particles of nanodimensions in the epoxy, yielding a high-performance nanocomposite epoxy.

Abstract: Disclosed herein are apparatus and methods for producing emulsions, and, in particular, for maintaining laminar flow during production of emulsions containing microsuspensions.

Abstract: To improve reaction efficiency by increasing a contact area of first and second reactants per unit volume, without reducing dimensions of the inlet paths for the first and second reactants in a layer-thickness direction, a channel includes a first inlet path having the first reactant, a parallel second inlet path separated from the first inlet path and having the second reactant, a junction channel for causing the first and second reactants to join as separate laminar flows, and a parallel reaction channel connected with a downstream side of the junction channel for permitting the laminar flows of the first and second reactants to react at a contact interface thereof. A dimension of the reaction channel in the layer-thickness direction perpendicular to the contact interface is set to be smaller than the sum of the dimensions of the first inlet path and the second inlet path in the layer-thickness direction.

Abstract: The mixer insert (2) for a static mixer (1) extends in one longitudinal direction (L), the mixer insert (2) having a multitude of elements (2e) running transverse to the longitudinal direction (L) and at least two longitudinal supports (2f) running in longitudinal direction (L), and the static mixer insert (2) consisting of a multitude of base elements (2a, 2b, 2c, 2d) arranged alongside one another in longitudinal direction (L), each base element (2a, 2b, 2c, 2d) comprising a longitudinal support (2f), and the base elements (2a, 2b, 2c, 2d) and their longitudinal supports (2f) being arranged relative to one another such that a longitudinal support (2f) running over the entire length of the mixer insert (2) is present, and base elements (2a, 2b, 2c, 2d) arranged alongside one another are bonded to one another in a fixed manner at least via the longitudinal supports (2f).

Abstract: A microdevice for multistage-mixing of process fluids which has plurality of freely-detachable units connected to each other without using pipes, wherein a microchannel for flow of the process fluids and a channel for flow of a heat-exchange medium are formed in the microdevice by mutual connection of a plurality of the units and the microdevice is locally and independently temperature-controllable.

Abstract: The invention relates to modular mixers for applications in modular microprocess technology.

Abstract: A system for applying viscous substances is formed from a liquid and a granular solid. The system comprises a liquid circuit with a liquid containment unit. A liquid line and conveying means circulate the liquid from the liquid containment unit into the liquid line. A solid circuit with a storage unit stores the granular solids. A solid line and conveying means circulate the granular solids from the storage unit into the solid line. A mixing device is connected to the liquid line and to the solid line. The mixing device has a body that is adapted to receive liquids from the liquid line and granular solids from the solid line. The body mixes the liquids and granular solids into a viscous substance. The body has an outlet to apply the viscous substance mixed in the body. A method for applying a viscous substance is also provided.

Abstract: A method and a mix box for mixing oil sand and water to form a substantially uniformly mixed oil sand slurry is provided. The mix box has an open top end for receiving pre-crushed oil sand and water and a sloped bottom end having a discharge outlet and includes a plurality of profiled shelves positioned within the mix box. The substantially uniformly mixed oil sand has a substantially uniform flow distribution and therefore, when screened, reduces uneven wear on the screens.

Abstract: A channel forming body of a reactor has a base plate, a first sealing member bonded to one surface of the base plate and a second sealing member bonded to the other surface of the base plate. A plurality of first inlet grooves forming first inlet paths and a plurality of reaction grooves forming reaction grooves are formed in parallel and side by side in one surface of the base plate. A plurality of second inlet grooves forming second inlet paths are formed in parallel and side by side in the other surface of the base plate. A plurality of junction holes forming junction channels penetrate the base plate from the one surface to the other surface between corresponding ones of the respective first and second inlet grooves and the reaction grooves corresponding to the inlet grooves to connect downstream ends of the inlet grooves and upstream ends of the reaction grooves.

Abstract: An exhaust mixer (16) is provided for use in an engine exhaust system (10) downstream from an additive injector (14). The mixer (16) includes a first wall structure (20), and a second wall structure (22) carrying a set of mixer vanes (30), the second wall structure (22) being cone shaped and extending radially outwardly from the first wall structure (20).

Abstract: A mixer for mixing immiscible fluids includes a mixer housing defining a flow passage therethrough from a first fluid inlet to an outlet thereof. An upstream portion of the flow passage defines a main longitudinal axis. A second fluid inlet is provided downstream of the first fluid inlet in fluid communication with the upstream portion of the flow passage. The second fluid inlet is offset with respect to the main longitudinal axis of the flow passage to introduce fluid along a path that is offset with respect to the main longitudinal axis for inducing swirl on fluids introduced at the first and second fluid inlets. In certain embodiments, a mixer section is included having a flow constriction defined in a downstream portion of the flow passage with a flow area smaller than that of the upstream portion of the flow passage for enhancing turbulent mixing of fluids therein.

Abstract: A mixer for use in a transmission pipeline and a wellbore fluids pipeline having a mixing device. The pipeline extends from a well head to a processing facility. The mixer perturbs the flow into a non-laminar state. Mixer embodiments include a body having a cone shaped leading edge and a hemi-spherical end. Other embodiments include a double cone having a series of helical fins on the trailing end of the double cone and fins extending perpendicular to the pipeline axis having a triangular cross section. The fins may be staggered with a mix of vertically and horizontally orientations.

Abstract: This invention relates to a multiphase reactor which is especially suitable for desulfurization of flue gas. A rotary build-in member comprising a axisymmetric body and an annular axisymmetric body is fixed on the shell of the reactor. The shell is cylindrical, and its surface is smooth or waved. The maximum diameter of the axisymmetric body is no less than the inner diameter of the annular axisymmetric body. The axisymmetric body is installed on the annular axisymmetric body coaxially. One rotary build-in member and its corresponding shell constitute an unit, and the reactor may have one or more such units. The multiphase reactor can effectively improve the flow pattern of the fluid and the contact of gas-liquid-solid three-phase of the reactants, speed up the mass transfer, and prevent deposition of the solid phase. The reactor is simple in structure and convenient for use. It can be used in the fields such as environmental protection, chemical engineering, metallurgy, and architectural industries.

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 diffusion reaction method includes: joining a plurality of reaction liquids relating to a reaction to form a multilayer flow; sandwiching from both sides of the multilayer flow in the depthwise direction using sandwiching liquid so that the multilayer flow is contracted and thinned; and flowing the multilayer flow through a reaction channel to cause a diffusive mixing between laminar flows so as to cause the reaction. The method enables to allow reacting diffusive mixing a plurality of reaction liquids instantly in a reaction channel, is suitable for any kinds of reaction product. Further, for example, when forming fine particles in a diffusion reaction, the method can prevent logging of the reaction channel by the fine particles and an adhesion of the fine particles to the wall of the reaction channel.

Abstract: A method of and apparatus for mixing dust comprises the step of introducing the dust into a closed passage and through a static mixer with a mixing element having a surface which is inclined with respect to the main axis of the closed passage and which is provided with a surface structure of a small scale, such that the dust particles arriving at the surface are reflected by the surface structure in a random manner.

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: A portable hydrodynamic cavitation manifold assembly formed from cylindrical tubes having flow-through chambers for collection and distribution of fluids. Each chamber includes a series of baffle units each unit formed from a first plate defined by a first end spaced apart from a second end by a length. The first plate includes a curved outer edge sized to follow the inner side wall of the chamber and a straight inner edge extending from the first end to the second end along the approximate center line of the chamber and positioned at a 45 degree angle relative to the longitudinal length of the tube. A second plate, forming a mirror image of the first plate, is also positioned at a 45 degree angle relative to the longitudinal length of the tube and at a 90 degree angle to the first plate. Each plate includes a plurality of apertures sized to control the velocity of the fluid flow, each aperture having edge walls to induce constriction for hydrodynamic cavitation mixing of fluids.

Abstract: A manifold of an injection molding apparatus includes a primary melt channel and secondary melt channels extending from the primary melt channel. A shear rod is disposed at the junction between the primary and secondary melt channels. The shear rod extends from the junction into the primary melt channel and is disposed substantially parallel to the longitudinal axis of the primary melt channel.

Abstract: A static mixer for the through-mixing of a flow in a line conducting the flow, more preferably of an exhaust system of a combustion engine with several guide vanes. To create adequate through-mixing at low flow velocity and a through-flow resistance that is not too high at high flow velocity, the guide vanes are produced of a shape memory alloy wherein below a predetermined limit temperature the guide vanes have at least one low-temperature shape and above the limit temperature the guide vanes have at least one high-temperature shape, which differs from the low-temperature shape through a reduced through-flow resistance of the mixer.

Abstract: A process is described for the extraction of one or more substances from a fluid starting material with an appropriate extraction agent by use of a static micromixer for mixing the starting material with the extraction agent. The static micromixer is provided with disk-shaped components, the disk (1) being provided with at least one inlet opening (2) for introducing at least one fluid stream into a linking channel (3) disposed in the plane of the disk and at least one outlet opening (4) for removing the fluid stream into a mixing zone (5) disposed in the plane of the disk, the inlet opening (2) being connected with the outlet opening (4) in a communicating manner through a linking channel (3) disposed in the plane of the disk, and the linking channel (3) before opening into the mixing zone (5) being divided by microstructure units (6) into two or more part channels (7), and the widths of the part channels being in the millimeter to submillimeter range and being smaller than the width of the mixing zone (5).

Abstract: The object of the present invention is to provide a method for manufacturing hydrogen-added water containing a large amount of microscopic bubbles and manufacturing equipment for the same so as to expand the industrial applicability of hydrogen-added water by injecting a large amount of microscopic bubbles. More specifically, a plurality of tubular structures, in which the diffusion chamber (5), having double tubes, is provided, and a porous element (6) having predetermined pore diameters, in the diffusion chamber (5) is provided and are substantially linearly arranged in a longitudinal direction. The raw water and hydrogen are supplied with one of the tubular structures, so as to form the mixture of raw water and hydrogen by mixing supplied raw water and hydrogen in the diffusion chamber (5). The mixture is passed through the porous element (6) and diffused therein. The mixture fluid of raw water and hydrogen is then supplied to an adjacent tubular structure under high pressure.

Abstract: Two or more independent and offset fluid transporting fractals allow the scaling and intermingling of two or more fluids separately and simultaneously prior to contacting the fluids with one another. The device provides rapid and homogeneous mixing and/or reaction.