Abstract: The present invention relates to functionally closed systems for mixing and delivering microbubble pharmaceuticals. Described is a device comprising a rigid outer layer and a flexible bladder wherein mixing occurs using external mixing sources. Also included is a system for dispensing the pharmaceuticals to its end use after mixing. Methods for mixing and dispensing microbubble pharmaceuticals are also described.

Abstract: An external mixing device comprises: arranging an inlet and an outlet on the single-use container; a sterilizable or a single-use pump head connected to the inlet and outlet with a mixer installed inside. Driven by a driving device, the mixer makes the liquid circulate continuously between the pump head and the single-use container. The external mixing device further comprises a sensor chamber installed with a plurality of sensors and extra ports, which are used for introducing solution or gas inside or for sampling and detecting liquid properties. A single-use connector is used to connect the single-use container to the external mixing device, which can be operated aseptically under general environment. The external mixing device is small-sized with the advantage of simplified operation procedures.

Abstract: A system for manufacturing an emulsified/dispersed liquid has first and second emulsification/dispersion devices which produce the emulsified/dispersed liquid by emulsifying/dispersing emulsification/dispersion material in a liquid mixture into a medium liquid in the liquid mixture. A multistage pressure/temperature control device of a multistage type cools the emulsified/dispersed liquid discharged by the second emulsification/dispersion device while applying a backpressure which can prevent occurrence of bubbling to the first and second emulsification/dispersion devices. The multistage pressure/temperature control device reduces the pressure of the emulsified/dispersed liquid gradually or in stages, and finally lowers the pressure of the emulsified/dispersed liquid to a pressure that bubbling is not caused if the emulsification/dispersion liquid is released into an atmospheric condition.

Abstract: The present invention relates to a wet-type recirculation system for particle size analysis of sample including coarse particles (hundreds to thousands ?m). According to the wet-type recirculation system of the present invention, the mixture liquid is recirculated using not a single recirculation line but two recirculation lines between the mixer and the particle size analyzer and the recirculation lines are connected with the mixer at the upper inputting part side of the mixer to discharge the mixture liquid. Further, the rotatable baffle is attached to the inside of the mixer to generate vortex in a horizontal direction as well as a vertical direction within the reservoir of the mixer and the baffle is rotated by a pressure of the mixture liquid discharged from the two recirculation lines to form vortex.

Abstract: In one embodiment, a method of controlling fluids in a semiconductor processing system includes mixing two or more chemical compounds in a blender to produce a solution and supplying the solution to a reclaim tank, where the solution is dispense to a process station. The solution can be monitored at a location between the tank and the process station to determine whether at least one of the chemical compounds is at a predetermined concentration. Upon determining that the at least one chemical compound in the solution is at the predetermined concentration the solution is flowed to the process station. The method further includes removing at least a portion of the solution from the process station and returning the removed portion of the solution to the reclaim tank. The removed portion of the solution is monitored at a location between the process station and the reclaim tank to determine whether at least one of the chemical compounds in the removed portion of the solution is at a predetermined concentration.

Abstract: Methods and apparatus for coating particulate material are provided. The apparatus includes a vessel having a top and a bottom, a vertically extending conduit having an inlet in the vessel and an outlet outside of the vessel, a first fluid inlet in the bottom of the vessel for introducing a transfer fluid, a second fluid inlet in the bottom of the vessel for introducing a coating fluid, and a fluid outlet from the vessel. The method includes steps of agitating a material, contacting the material with a coating material, and drying the coating material to produce a coated material. The invention may be adapted to coat aerogel beads, among other materials. A coated aerogel bead and an aerogel-based insulation material are also disclosed.

Abstract: An automatic milk preparing device is provided, including a microcontroller fixed in the automatic milk preparing device for controlling the operation of same, a powder box connected with the microcontroller and provided with a powder output gate in the front of the powder box for controlling the powder to be added according to the signal from the microcontroller, a water tank connected with the microcontroller for controlling the water to be added according to the signal from the microcontroller, a stirring structure fixed under the powder output gate, connected with the water tank through a first water pipe and provided with a milk outlet at the lower part of the stirring structure, and a weight measuring structure fixed below the stirring structure and connected with the microcontroller for laying a milk bottle, weighing water and/or milk powder in the bottle and feeding the result of weight back to the microcontroller.

Abstract: A cement mixing method for mixing cement used in cementing oil wells casing and the mixer used in that method. The mixer employs a straight bulk cement inlet, five annular recirculation jets and five annular water jet orifices located downstream of the recirculation jets so that all of the jets discharge at an angle towards the mixing chamber and the discharge from the water jet orifices intersects with the flow from the recirculation jets. This five jet, intersecting flow design allows for more thorough wetting of the cement powder with a smaller, lighter, less expensive and more durable mixer that is less inclined to foul and easier to clean.

Abstract: A cement mixing method for mixing cement used in cementing oil wells casing and the mixer used in that method. The mixer employs a straight bulk cement inlet, five annular recirculation jets and five annular water jet orifices located downstream of the recirculation jets so that all of the jets discharge at an angle towards the mixing chamber and the discharge from the water jet orifices intersects with the flow from the recirculation jets. This five jet, intersecting flow design allows for more thorough wetting of the cement powder with a smaller, lighter, less expensive and more durable mixer that is less inclined to foul and easier to clean.

Abstract: An apparatus for dosing and mixing solid powders in technological processes for converting plastic materials, comprising an assembly for dosing the solid powders to be mixed with a first process liquid before mixing with an additional process liquid, the dosage assembly comprising at least one hydraulic cylinder for introducing the powders at a preset pressure which is correlated to the pressure of the first process liquid kept at a controlled pressure.

Abstract: The invention relates to a device and to a method for mixing substances, wherein a substance to be treated is pressed with a press piston (3, 4) through a nozzle block (6) arranged between two press cylinders (1, 2). During the mixing, a fixed mixture constituent in the form of a suspension (13) is fed to the substance to be treated. The substance to be treated may be cooled during the mixing process by way of stepwise, controlled evaporation of a process fluid. Preferably, several, differently designed, exchangeable nozzle blocks are used, in order to adapt machine conditions to the changing viscosity of the substance to be mixed. The invention also relates to a mixing reactor and to a method for the continuous discharge of a product. For this, several mixers and an extrusion press are arranged next to one another and connected to one another via a transfer vehicle.

Abstract: Methods and systems for chemical management. In one embodiment, a blender is coupled to a processing system and configured to supply an appropriate solution or solutions to the system. Solutions provided by the blender are then reclaimed from the system and subsequently reintroduced for reuse. The blender may be operated to control the concentrations of various constituents in the solution prior to the solution being reintroduced to the system for reuse. Some chemicals introduced to the system may be temperature controlled. A back end vacuum pump subsystem separates gases from liquids as part of a waste management system.

Abstract: An apparatus and a method for admixing an additive for a drilling fluid. for use in the drilling of a petroleum well are described. The apparatus includes a mixing chamber which is connected, in terms of fluid, to an inlet line for drilling fluid, an outlet line for drilling fluid and at least one dosing device for an additive. The dosing device being arranged to supply the additive from a container to the mixing chamber and to form a pressure-tight barrier between the mixing chamber and the container. A pumping device is arranged downstream of the mixing chamber, which is arranged to suck drilling fluid through the mixing chamber.

Abstract: Embodiments of the current application are generally related to systems and methods for preparing emulsions. In some embodiments, there is disclosed an on-site emulsifying system comprising a first fluid tank, a second fluid tank, a circulation loop comprising a buffer tank and a pump. The first fluid tank and the second fluid tank are in fluid communication with the circulation loop via a first fluid inlet pipe and a second fluid inlet pipe, respectively. An outlet pipe is in fluid communication with the circulation loop.

Abstract: A variable height blender system is disclosed that includes an industrial blender carried by a first lift and a second lift for moving the blender up and down into any of various vertical positions. The variable height blender system includes drive controls for independently controlling movement of the first and second lifts, and a synchronizer in communication with at least one of the first and second drive controls for synchronizing the movement of the first and second lifts to maintain the batch blender substantially level. The synchronizer includes a level sensor that senses a tilt of the batch blender with respect to a local gravity vector and sends level reading signals to the synchronizer for use in independently adjusting the speeds of the first and/or second lift.

Abstract: A system for and method of assessing fluid spray using image processing techniques of a calibration and one or more as-sprayed witness cards. Calibration and as-sprayed witness cards are exposed to a backlight sufficient to make a plurality of stains thereon electronically visible. At the same time an image of the stains is captured by, e.g., a digital camera. Resulting image data is processed to assess characteristics of the stains of the fluid on the as-sprayed witness card(s) and thereby assess characteristics of the spray, e.g., volume of fluid delivered. In one embodiment, the witness card is a chemically coated semiopaque plate.

Abstract: Disclosed are methods and systems for forming multi-component refrigerant compositions comprising: (a) introducing a first refrigerant component into a vessel at a first flow rate; (b) introducing at least a second refrigerant component into said vessel at a second flow rate, which may be the same as or different than the first flow rate, during at least a portion of said first refrigerant introducing step; and (c) controlling at least one of said first and second flow rates to obtain the desired relative proportions of said first and second refrigerants in the refrigerant composition.

Abstract: Methods and systems for chemical management. In one embodiment, a blender is coupled to a processing system and configured to supply an appropriate solution or solutions to the system. Solutions provided by the blender are then reclaimed from the system and subsequently reintroduced for reuse. The blender may be operated to control the concentrations of various constituents in the solution prior to the solution being reintroduced to the system for reuse. Some chemicals introduced to the system may be temperature controlled. A back end vacuum pump subsystem separates gases from liquids as part of a waste management system.

Abstract: A method and apparatus for feeding livestock is presented. The method includes providing a mobile feed preparation apparatus that includes a feed container containing a base feed, a conveying assembly that receives the base feed from the feed container, a feed additive assembly comprising a reservoir containing a feed additive, where the feed additive assembly is in flowable communication with the conveying assembly, a weight sensitive platform having a weigh cell, where the reservoir is mounted on said platform, and a controller in communication with the conveying assembly and the weigh cell. The method further includes weighing the reservoir to determine a first weight, dispensing from the mobile feed preparation apparatus a feed ration, and weighing the reservoir to determine a second weight. Additionally, the method includes calculating a distributed amount of the feed additive using the first weight and the second weight.

Abstract: A technique facilitates mixing operations by removing foaming that results from air entrained during mixing of constituents. A mixing system comprises a container body having an interior and an inlet through which material enters the interior for mixing. The container body also comprises a discharge through which the mixed material is delivered downstream. A mechanical foam breaker is disposed within the container body and extends upwardly a sufficient distance to extend through a surface level to which the material rises during mixing within the container body. The mechanical foam breaker is oriented to break down foam along the surface of the material as the material moves through the interior.

Abstract: A method and apparatus for blending and supplying process materials. The method and apparatus are particularly applicable to the blending of ultra-high purity chemicals, the blending of abrasive slurries with other chemicals for the polishing of semiconductor wafers, and high-accuracy blending of chemicals. The apparatus may include a dispensing subsystem that supplies process materials to a mixing subsystem where they are blended with a static mixer. The method may include supplying process materials with a dispensing subsystem and blending the process materials in a static mixer.

Abstract: Methods and systems for chemical management. In one embodiment, a blender is coupled to a processing system and configured to supply an appropriate solution or solutions to the system. Solutions provided by the blender are then reclaimed from the system and subsequently reintroduced for reuse. The blender may be operated to control the concentrations of various constituents in the solution prior to the solution being reintroduced to the system for reuse. Some chemicals introduced to the system may be temperature controlled. A back end vacuum pump subsystem separates gases from liquids as part of a waste management system.

Abstract: A spray blended emulsifier comprises: a blending kettle, a feeding tank, a sprayer, a residuum pump, a thermal resistance probe, a tee valve and discharge tube; the charge pipe underneath said feeding tank is mounted on the upper cover of the blending kettle, and extended into the blending kettle. The sprayer contains a spraying channel and a guide plate; the spraying channel contains a nozzle inlet, a turbulent path, a blending chamber and a nozzle outlet connected in series; the nozzle inlet is of a funnel pattern. The spray blended emulsifier is structurally characterized by that, spraying channel and guide plate are mounted into the sprayer, a turbulent path is placed in the spraying channel, and the liquid flow has a Reynolds number larger than 3000.

Abstract: A stirring device (1) capable of correctly detecting abnormality in a stirring process and preventing liquid which has not been stirred in a normal process from being used in an analyzing process, and an analyzer are provided. The stirring device (1) according to the present invention includes a nozzle (2), a syringe (14), and an abnormality detecting section (35) for determining whether or not a stirring process has been performed in a normal manner on liquid, which is a stirring subject, in a stirring container (23), on the basis of the amount of deviation between a suction pressure waveform indicating a suction pressure change measured by a pressure measuring section (6), and a suction pressure waveform pre-obtained during normal stirring.

Abstract: In systems for treating wastewater liquid by utilizing aerobic biological species, the contaminated wastewater stream is pretreated in a dissolved air flotation system to remove suspended solid waste, including large particles such as fats, grease, and physically emulsified oils. The purified wastewater containing dissolved waste is thereafter gasified and further decontaminated in a bioreactor tank. Biological species in the bioreactor tank consume gas and perform bodily functions that converts dissolved waste into easily removable carbon dioxide and suspend solids. Gas consumed by the biological species is replenished by pumping the wastewater though a liquid-gas mixer. A controller regulates the speed of the pump based on real-time gas concentration measurements provided by a corresponding gas probe disposed within the wastewater in the bioreactor tank.

Abstract: A method of feeding livestock using a mobile feed preparation apparatus is presented. The method comprises dispensing from the mobile feed preparation apparatus a first feed ration comprising a base feed and a first feed additive and a second feed ration comprising the base feed and a second feed additive, where the first feed additive and the second feed additive differ.

Abstract: A dynamic mixer in which two members (1,2) are rotated relative to each other about a predetermined axis (XX), the members having facing surfaces (15, 16) which extend axially and between which is defined a mixing chamber through which a flow path extends between an inlet (7) for material to be mixed and an outlet (8). An array of two or more mixing formations is defined on at least one of the facing surfaces (15, 16) which extend radially towards the facing surface of the other element (15, 16) and which act to mix material within the mixing chamber, and which extend axially generally parallel to the axis.

Abstract: An extrusion conveying device having an extruder for the mixing of components, in particular a rubber mixture or TPE. A volumetrically operating conveyor, especially a gear pump, is disposed at the output side of the extruder. A subsidiary conveyor supplies to the extruder at least one component having a marker substance. A detection device for the marker substance is disposed on the output side of the extruder and/or the volumetrically operating conveyor for detecting the distribution quality of the marker substance. A control device is coupled to the detection device for adjusting the speed of the extruder and/or the volumetrically operating conveyor in response to the detected distribution quality of the marker substance detected by the detection device.

Abstract: Systems and methods for mixing pure feed materials utilizes a first and a second compressible volume, such as defined in first and second liner-based containers adapted for pressure dispensation, wherein such materials are supplied to a mixing apparatus (e.g., reversible-flow or circulatable flow apparatus) adapted to form and maintain a mixture or suspension. Multiple redundant groups of containers may be used to enable mixing of contents of one group while contents of another group are being dispensed, to provide uninterrupted delivery of feed material to a process. Sensors adapted to generate signals indicative of flow, weight/mass, particle size distribution, concentration, and other material properties may be provided.

Abstract: The invention provides a working trough and a method for maintaining a uniform temperature of a working fluid. The working trough is applied to an electrical discharge machine that performs wire cutting using the working fluid. The method for maintaining a uniform temperature of the working fluid is applied to the working trough and characterized by forming opening structures in a receiving slot of the working trough such that a spiral swirl having a predetermined height is allowed to be formed in the working fluid, thereby maintaining a uniform temperature of the working fluid in the receiving slot when a wire cutting process is performed in the working fluid by the electrical discharge machine. The disturbance of the spiral swirl also facilitates the discharge of scraps. The present invention further has an advantage of low cost.

Abstract: An apparatus (100, 100?) for thermally treating a confectionery mass includes a housing (1) having an approximately vertical axis (2), a core (3) being located in the housing (1) and being arranged in an approximately concentric way with respect to the axis (2) of the housing (1), a plurality of tubes (12) being located in the housing (1), each of the tubes (12) having an approximately vertical axis and being designed and arranged for a tempering medium to flow through them, and at least one deflecting element (13) being designed and arranged to connect the housing (1) to the core (3) such that a flow path of the confectionary mass through the apparatus (100, 100?) is determined, the flow path extending in a transverse direction with respect to the tubes (12), at least a part of the deflecting element (13) having a helical shape.

Abstract: A paint manufacturing system includes a paint component storage system and a colorant storage system. A dispenser is in fluid communication with the paint component and colorant storage systems. A spectrophotometer is operatively coupled with a computer system. The computer system controls the flow of paint components from the paint component storage system and colorants from the colorant storage system.

Abstract: The present invention relates to a supply assembly for use in the manufacture of a machine for preparing a beverage obtained by dissolving a soluble preparation in water. The invention also relates to a beverage machine that comprises said supply assembly. The supply assembly (1) according to the invention comprises a mixing chamber (10) containing a mixer (11) comprising at least one impeller (HA) for mixing a single dose of soluble preparation in a quantity of water in order to obtain said beverage. At least one nozzle (20) is provided for the insertion of said water inside said mixing chamber (10) which comprises an upper opening (15) directly accessible to a user for the manual insertion of a single dose of soluble preparation.

Abstract: The invention relates to a machine for the automated production of raw-materials compositions in at least one vat (100), including: a guiding assembly provided above the ground; a bearing frame (2) capable of displacement on the guiding frame along a first horizontal longitudinal axis; a transport carriage (3) capable of displacement on the bearing frame (2) along a second horizontal axis perpendicular to the first one; a raising means (4) supported by the carriage (3), said raising means including a raising support member (40) capable of displacement along a vertical axis; weighing means (5) supported by the raising member (40) of the means (4), said weighing means including a member (50) on which the load to be weighed is applied; gripping means (6) for gripping the vats (100) one by one et mechanically connected to the member (50) of means (5); and at least one device for sampling and distributing the raw material and in front of which the transported vat is to be positioned.

Abstract: A medical apparatus includes: a first vessel for supplying a first liquid; a second vessel for supplying a second liquid; a mixing vessel for mixing the first and second liquids; a connector including a first flow passage connected to the first vessel, a second flow passage connected to the second vessel, a third flow passage connected to the mixing vessel and joined to the first flow passage and the second flow passage, and a discharge port which communicates with the third flow passage; and a flow passage opening/closing device provided in the third flow passage at a joint part where the first flow passage and the second flow passage join the third flow passage or at a part on a discharge port side relative to the joint part and which is operative to open/close the third flow passage.

Abstract: A reaction vessel which includes internally placed temperature controlling mixing baffles in which liquid is boiled, resulting in an isothermal heat sink. The energy of vaporization is supplied by the reaction vessel contents. The vapor produced by the boiling may be directed to channel coils which surround the outside of the reaction vessel wall. The channel coils contact the outside wall of the reaction vessel perpendicularly, and provide mechanical support for the reaction vessel. The mechanical support from the channel coils allows for a decrease in the thickness of the reaction vessel wall and corresponding increased heat transfer efficiency between the channel coil contents and the reaction vessel contents. The entire above described apparatus is enclosed within an evacuated shell to provide additional insulation.

Abstract: A system (20) and method for mixing and blending using turbulence to thoroughly and rapidly mix and blend first and second components, thereby maximizing the evenness and degree of mixing and blending while minimizing reduction in flow rate. In operation, a second component flows into a first opening (22), into a mouth of an intermediate structure (26), and out an exit opening (32) in the intermediate structure (26). A first component interacts with the second component flowing out the exit opening (32) such that turbulence is created which mixes the first and second components. The mixed first and second components flow out a second opening (24). In one application, the system (20) may be used to mix diesel fuel and water.

Abstract: Method for high-precision metering and/or mixing of liquids, having electrical means for production of an electrostatic field using the electrospray effect, with a liquid being metered, and means for weight determination, in which the means for weight determination are used in order to meter the amount of liquid. The method for high-precision metering and/or mixing of liquids also has a combination of first and second metering means. The first metering means comprises mechanical means for reducing the volume of a liquid reservoir, and the second metering means comprises the electrical means for production of an electrical field using the electrospray effect, and a combination of first and second control means for controlling the magnitude of the metered liquid. The first control means comprises means for determining the volume of the reservoir and the second control means comprises the means for determining the weight of the metered liquid.

Abstract: A fluid mixing apparatus is constituted by a plurality of flow passageways for conveying fluids, respectively, and jet outlets, corresponding to and communicating with the flow passageways, respectively, for jetting the fluids therefrom so that movement directions of the fluids intersect each other to mix the fluids. The jet outlets are provided at a surface of a substrate in which the flow passageways are provided. At least one of the flow passageways communicating with at least one of the jet outlets has a center axis partially shifted from a center axis of at least one of the jet outlets so as to incline a movement direction of a fluid jetted from at least one of the jet outlets with respect to the surface of the substrate.

Abstract: An improved draft tube spout fluid bed (DTSFB) mixing, handling, conveying, and treating apparatus and systems, and methods for operating are provided. The apparatus and systems can accept particulate material and pneumatically or hydraulically conveying the material to mix and/or treat the material. In addition to conveying apparatus, a collection and separation apparatus adapted to receive the conveyed particulate material is also provided. The collection apparatus may include an impaction plate against which the conveyed material is directed to improve mixing and/or treatment. The improved apparatus are characterized by means of controlling the operation of the pneumatic or hydraulic transfer to enhance the mixing and/or reacting by controlling the flow of fluids, for example, air, into and out of the apparatus. The disclosed apparatus may be used to mix particulate material, for example, mortar; react fluids with particulate material; coat particulate material, or simply convey particulate material.

Abstract: A system is disclosed herein for treating wastewater liquid by utilizing aerobic biological species. The contaminated wastewater stream is pretreated in a dissolved air flotation system to remove suspended solid waste, including large particles such as fats, grease, and physically emulsified oils. The purified wastewater containing dissolved waste is thereafter oxygenated and further decontaminated in a bioreactor tank. Biological species in the bioreactor tank consume oxygen and perform bodily functions that converts dissolved waste into easily removable carbon dioxide and suspend solids. Oxygen consumed by the biological species is replenished by pumping the wastewater though a liquid-oxygen mixer. A controller regulates the speed of the pump based on real-time oxygen concentration measurements provided by a corresponding oxygen probe disposed within the wastewater in the bioreactor tank.

Abstract: According to the method of an aspect of the present invention, by forming the laminated body of the liquids by laminating a plurality of liquids after discharging the plurality of liquids from a central portion of the rotational stage onto the rotational stage and rotating the rotational stage after the formation, the centrifugal force by the rotation enables the laminated body to form a thin layer. Accordingly, because the diffusion between the layers can be executed rapidly in the latter mixing process, a mixing of liquids is allowed to advance immediately.

Abstract: In the case of a homogenizer device (100) for dispersing and/or homogenizing liquid to viscous substances, having a container (110) having one or more openings for introducing the substances to be processed, which has an opening for feeding the substances into a processing unit (120) in the central region of its bottom, which opening contains two gear rims (130, 140), which can be driven independent of one another, are disposed concentrically and configured in circular shape, and are separated from one another by way of a predetermined interstice, whereby the substances are guided from a central region, through the interstice, into a peripheral region of the gear rims, formation of cavitation is prevented, to the greatest possible extent, in that a conveyance device (150) is additionally provided in the processing unit (120), which device conveys the substances in the direction of the gear rims (130, 140), under pressure.

Abstract: Mixing system comprising: a flexible bag with a mixing device comprising a magnetic impeller; and an alignment facilitation device adapted to facilitate alignment between the magnetic impeller and a magnetic driver located external to the system. Specific flexible bag and hardware therefore.

Abstract: An apparatus and method for preparing solvent blends comprising: a manifold (45) having a first segment (18) and a second segment (46) in fluid communication with said first segment; a third segment (43) being in fluid communication with said first or second segments; a tubing section disposed within said first segment, said tubing section terminating downstream of said third segment; at least one solvent pump (12) in fluid communication with said manifold via said third segment; at least one additive pump (42) in fluid communication with said manifold via said tubing section; a static mixer (48) in fluid communication with said manifold via said second segment; and a control system (60) operatively associated with said pumps.

Abstract: A cement mixing method for mixing cement used in cementing oil wells casing and the mixer used in that method. The mixer employs a straight bulk cement inlet, five annular recirculation jet and five annular water jet orifices located downstream of the recirculation jets so that all of the jets discharge at an angle towards the mixing chamber. The five annular recirculation jets are located in alternating longitudinal alignment within the mixing chamber relative to the five annular water jets. This five jet, intersecting flow design allows for more thorough wetting of the cement powder with a smaller, lighter, less expensive and more durable mixer that is less inclined to foul and easier to clean.

Abstract: Improved, high Specific Mechanical Energy extrusion systems (20) are provided including a single or twin extruder (22) and an upstream preconditioner (24). The extruder (22) includes an elongated barrel (26) with at least one elongated, axially flighted, rotatable screw assembly (58) therein. The barrel (26) includes a mid-barrel variable restriction valve assembly (32), and the screw assembly (58) has a disrupting/homogenizing screw section (66) therein upstream of the valve assembly (32). The screw section (66) includes a plurality of alternating pitch screw parts (82-92). Preferably, the barrel (26) also has an atmospheric vent (36) downstream of the valve assembly (32).

Abstract: Improved single screw extruders systems (40) are provided including a single screw extruder (42, 92) as well as an upstream preconditioner (44). The extruders (42, 92) include a single, internal, elongated, helically flighted, axially rotatable screw assembly (52) having one or more improved screw sections (74, 74a, 76). The screw sections (74, 74a, 76) include specially configured flighting (86) wherein adjacent flighting portions (86a, 86b) have smoothly arcuate surfaces (88) extending between the respective flighting portion peripheries (90a, 90b). This flighting design provides smooth, substantially surge-free operation while increasing SME and cook values. The preferred preconditioner (44) has independently controlled mixing shafts (106, 108) allowing the shafts (106, 108) to be rotated at different rotational speeds and/or directions.

Abstract: A device (100) for producing a ready-to-use filler material by mixing a binder component and a hardener component using a mixing device (1) having a hollow cylindrical stator part and a rotor part rotatably held in the stator part. A ring-shaped gap forms a mixing chamber Three storage containers (91, 92, 92?) are provided for the hardener component, and a first drive device (102) for actuating the hydraulic cylinders for the storage container (90) for the binder component, and for two storage containers (91, 92) for the hardener component, a second drive device (250) for the mixing device (1) and a third drive device (270) for actuating the piston rod wherein a fore-run of hardener components for 1 second, and an after run for 1 second as well as the supply of the binder component and further hardener components into the mixing device (1) are controlled, wherein the housing (101?) receives a compressed-air generating device or a source of current.

Abstract: A material transfer device, in particular for use with blenders associated with a material processing device such as a plastics extruding device. The material transfer device can be used for controlling delivery of measured amounts of particulate material to or from a weigh hopper, or for mixing materials in a mixing chamber of the blender. The material transfer device includes a pipe defining a material delivery path. The pipe has a material inlet and a material outlet. An air inlet manifold encircling the pipe is connected by an air supply line to a pressurized air supply. Air outlets of the manifold direct an air stream towards the outlet of the pipe to draw material through the pipe from a hopper of particulate material, the pipe inlet being located within the hopper. An air inlet valve in the air supply line is connected to a controller which is operable to open and shut the valve for pulsing the gas stream to control the amount of material delivered through the pipe.