An aspect of the invention discloses a system for making lather in a cup, comprising a cup comprising an impeller and a heater in said cup and a base for said cup having a power source configured to provide power to said impeller and to said heater.

An impeller assembly for a solid-liquid mixing device, which includes an impeller body, multiple mixing blades which are evenly distributed on the inner side of the impeller body and extended outwards from the shaft of the impeller body, and at least two baffle plates being disposed on the outer side of the impeller body along a radial direction thereof outwards and disposed in the circumferential direction of the impeller body. At least one pair of adjacent two baffle plates satisfies following conditions: curves projected by two opposite surfaces of each of adjacent baffle plates on a cross section of the impeller at any height are smooth curves, and at least one of the curves is not fully included in a circle with the center of the shaft as its center.

There is provided a stirring device including a stirring tank including an inner peripheral wall which is circular in cross section, at least one circulating impeller and at least one dispersion blade which are located inside the stirring tank and rotatable around a vertical axis independently of each other, and a guide ring disposed radially outward near the dispersion blade. The circulating impeller is disposed along the inner peripheral wall of the stirring tank, and rotates around the vertical axis to form at least a downward flow in a stirring object existing inside the stirring tank. The dispersion blade rotates to apply a shear force to the stirring object, and is disposed at a radially inner position of the stirring tank from the circulating impeller, and at a position in contact with a flow of the stirring object, which is formed by the circulating impeller.

A cavitation reactor that may be obtained from a centrifugal pump is described. The reactor comprises a stator and a rotor having at least one centrifugal stage accommodated in a chamber of the stator. Two walls of the centrifugal stage define a gap therebetween, which is divided into compartments in fluid communication with the chamber of the stator at the peripheral portion of the centrifugal stage. The wall of the centrifugal stage that is next to the inlet opening of the chamber of the stator is closed at the central portion of the centrifugal stage, to thereby prevent the flow of fluid from the inlet opening to the peripheral portion of the centrifugal stage through the gap.

An impeller and a diffusor is provided which are configured to be used in a flotation tank to enhance mixing of gas and slurry. The impeller comprises two opposing inlet ends and the diffusor comprises two opposing inlet mouths. The impeller is configured, when arranged inside the diffusor, to pump a bi-directional axial flow of slurry into the diffusor. Further, an arrangement using such diffusor and impeller for the use in a flotation tank to enhance mixing of gas and slurry is provided.

A substantially continuous stream of aqueous fluid and a substantially continuous stream of gel having a first concentration are combined to form a substantially continuous stream of gel having a second concentration. The second concentration is substantially lower than the first concentration. The gel having the second concentration may thereafter be utilized in conjunction with a well fracturing operation.

The present disclosure relates to a nanobubble generation system using friction in which a frictional force is applied to bubbles included in a gas-liquid mixed fluid so that the atomization of the bubbles is induced and nanobubbles are generated. The nanobubble generation system includes: a chamber including an inlet, an outlet, and an internal space S configured to atomize bubbles included in a gas-liquid mixed fluid; one or more strikers each including a plurality of protrusions provided on a body thereof to simultaneously apply impact to the gas-liquid mixed fluid that flows into the chamber and swirl the fluid in order to cause the gas-liquid mixed fluid to rub against an inner wall of the chamber, the strikers being provided on the driving shaft; a plurality of friction elements provided on the driving shaft in order to apply frictional force to the gas-liquid mixed fluid; and a driving mechanism including the driving shaft and configured to rotate the striker and the friction elements, wherein the friction elements are arranged on the driving shaft to be spaced apart from each other at a predetermined interval, and peripheral surfaces of bodies of the friction elements directly face the inner wall of the chamber with a predetermined distance therebetween.

A stirrer is provided that can more efficiently achieve shearing applied, by an action of an intermittent jet flow, to a fluid to be processed. The stirrer concentrically includes a rotor including a blade, a partition wall, and a screen, wherein: the screen includes a plurality of slits in a circumferential direction thereof and screen members located between the adjacent slit; by rotating at least the rotor of the two components, the fluid to be processed is discharged from the inside to the outside of the screen as the intermittent jet flow through the slit of the screen; the screen has a cylindrical shape having a circular cross section; an opening of the slit provided on the inner wall surface of the screen is used as an inflow opening; openings of the plurality of slits provided on the outer wall surface of the screen are used as outflow openings; and the width of the outflow openings in the circumferential direction is set to be smaller than the width of the inflow opening in the circumferential direction.

A mixer for a food product is described, including a vessel, an stator arranged in the vessel, and a rotor to rotate the food product relative the stator The stator is displaceable relative the rotor by a movement along a stator guide The stator guide includes an interior cavity being enclosed by a wall extending into the vessel, and a first magnetizable material arranged inside the cavity The stator includes a second magnetizable material, wherein a magnetic field between the first and second magnetizable materials generates a force that moves the stator along the stator guide for displacement of the stator relative the rotor.

A method for mixing and dispersing an internal phase and an external phase in a liquid compound. The method includes preparing the compound by combining the internal phase of the compound and the external phase of the compound, the external phase of the compound being a liquid, forming a film of the compound by depositing a first volume of the liquid compound on a rotating surface and collecting the film as a dispersed liquid compound on a collection surface.