Chemineer, Inc.

Julian B Fasano

Mark Franklin Reeder

Kevin J Myers

Mark F Reeder

Eric Edward Antonio Janz

William Fryers

Gregory T Benz

Robert R Corpstein

A mixer impeller having high efficiency blades. The impeller may include a central hub and a plurality of blades attached to and extending radially outwardly from the hub such that leading edges thereof are inclined upwardly from trailing edges thereof. Each of the blades may include a root attached to the hub, a tip, a first crease extending along substantially an entire length of the blade dividing the blade into a leading portion and a trailing portion, the leading and trailing portions meeting at the first crease such that the leading portion is angled downwardly from the trailing portion, and a second crease extending from a portion of the leading edge of the leading portion between the root and the tip diagonally along the leading portion to the tip, the second crease intersecting the tip at a point spaced from a point where the first crease intersects the tip, the second crease forming a tip portion of the leading portion that needs a remainder of the leading portion such that the tip portion is angled downwardly from the leading portion.

High efficiency mixer-impeller

In one aspect, a mixing arrangement is provided for a tank mixing system which includes a tank defined by a side wall, a bottom and a top, the top including at least one opening therethrough. The arrangement includes a non-rotating elongated arm extending through the opening in the top of the tank, the arm pivoted for movement about a pivot axis; an impeller positioned on the arm for movement therewith and within the tank, the impeller moving back and forth along an arcuate path within the tank as the arm pivots back and forth about the pivot axis. In another aspect, a ball-and-socket assembly is positioned above the top of the tank and is movable along a curved path to mope an impeller in a curved path within the tank.

Mixing arrangement for tanks

A radial impeller includes a cover having a frusto-conical portion and multiple blades extending radially outwardly. Related mixing systems involve positioning the radial impeller with blades adjacent a flow opening of a tank to draw water through the flow opening when the impeller is rotated.

In-tank mixing system and associated radial impeller

A static mixer element and a method for mixing first and second (or more) fluids using a static mixer element. The static mixer element includes a directional flow axis which points in an intended downstream direction opposite to an intended upstream direction. The static mixer element also includes interdigitated static mixer blades. The blades each have a concave side which faces generally in the intended upstream direction at an acute angle with respect to the intended upstream direction. The static mixer element is placed in a pipe with the directional flow axis of the static mixer element pointing downstream. The first and second fluids are introduced into the pipe upstream from the static mixer element. Optionally, other static mixer elements can be added downstream, wherein even-numbered elements are rotated ninety-degrees about the directional flow axis from odd-numbered static mixer elements.

Static mixer element and method for mixing two fluids

An assembly for rotationally coupling a set of blades to a drive shaft. The assembly includes an sleeve rotationally coupled to the drive shaft, a cap rotationally coupled to the sleeve, and a lower ring located between the cap and the sleeve, the lower ring having a set of generally radially extending blades. The assembly further includes an upper ring located between the lower ring and the sleeve, the upper ring having a set of generally radially extending blades, wherein the upper and lower rings are rotationally coupled to at least one of the sleeve or the cap.

Hub assembly

An in-line laminar flow motionless mixer mixes a low viscosity fluid into a high viscosity fluid. A first conduit section receives the high viscosity fluid and has a first set of slots. Injector nozzles extend into the first conduit section ahead of the slots with orifices which add the low viscosity fluid in the form of sheets. A second tubular section has a second series of slots formed orthogonally to the slots in the first section, and an annular connective jacket encloses the first and second set of slots and provides a flow path between the sections. A flow distributor extends within the respective and provides flow equalization. Method of mixing includes the injection of a low viscosity fluid as a striation. The composite flow is diverted circumferentially radially outwardly causing laminar shear mixing. The outward flow is cut into a smaller individual flows by slots, causing distributive and extensional mixing. The flows are recombined causing further distributive and laminar shear mixing. The combined flow is turned circumferentially radially inwardly and divided into smaller individual flows by a second plurality of slots, causing extensional and shear mixing to the composite flow, and the composite flow is recombined into an outflow.

High/low viscosity static mixer and method

A high efficiency impeller has blades which are formed of plate material. Each blade has a first span-wise bend which extends generally parallel to the trailing edge and through about the center of the blade measured cord-wise and extending the length of the blade from the root end to the tip end. The first bend divides the blade into a back portion and a front portion. The front portion is further divided by a second bend line which extends from the intersection of the first bend line with the tip of the blade diagonally to the leading edge of the blade at a point about one-fifth to one-third the span-wise length outwardly from the blade root. The material of the blade is bent about each of the bend lines, in the same direction, to provide camber and concavity for the blade. The leading and trailing edges of the blade are chamfered.

High efficiency mixer impeller

A steady bearing for supporting the extended end of an impeller shaft at the bottom of a mixing vessel provides adjustment for the alignment of the position of the shaft within the vessel and includes a bearing support stand with legs extending to the bottom of the tank or vessel, and a plate which is supported off of the bottom. A steady bearing housing has a bearing sleeve which receives the end of the shaft and has a mounting flange which extends radially of the housing and is mounted or received in abutting relation to the bearing support plate. Couplers in the form of slotted circular discs are received in recesses in the bearing housing mounting flange. The slots have threaded fasteners which extend therethrough and into the support plate, so that the radial position of the steady bearing housing with respect to the support stand may be made accompanied by rotational movement of the coupler discs within their respective recesses. Thereafter, the fasteners are tightened down to maintain the adjustable position. The steady bearing may be adjusted either from a position within the tank or through an opening in the bottom of the tank.

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Englewood, OH, United States of America

Julian B Fasano