Colloidal mixing of cementitious material into a liquid such as water to form a grout slurry for pumping to a location for use includes a mixing tank and a colloidal mixing mill which grinds and pumps the mixed material with the material being repeatedly circulated between the mill and the tank. The colloidal mixing mill includes a housing defining a generally cylindrical chamber containing a rotor shaped to define a clearance of the order of 3 mm between the front and rear wall of the housing and the rotor with holes from a dished front face of the rotor to the rear face to carry the mixed materials to the clearance where a shearing action takes place to shear the particles in the mixed materials prior to exit through the outlet.

A mixing system for mixing ground or soil with an additive in a batch mode, the mixing system comprising: a moveable mixing device for mixing the ground with an additive, and moving mechanism, such as a moveable arm; a cargo body positioning area for receiving a cargo body; the cargo body positioning area and the moving mechanism being configured in position such that the mixing device can be positioned in the ground through an upper open side of the cargo body; the mixing system furthermore comprising information obtaining system for automated obtaining information regarding the load of the cargo body for allowing the mixing system to mix the ground with the additive, taking into account said information.

The present disclosure provides a system for CO.sub.2 storage and utilization of a concrete mixing plant and a method thereof. The system includes a slurry making module, a cyclic grinding module and a material storage and application module. The cyclic grinding module can grind, in the presence of a gas containing CO.sub.2 and medium balls, a composite slurry prepared by the slurry making module, and can cyclically use the gas containing CO.sub.2, so as to realize continuous production of a carbon-mineralized slurry. The material storage and application module includes a material storage bin and a mixing machine connected with each other, and the material storage bin is configured to receive and store the carbon-mineralized slurry from a slurry bin. The mixing machine is configured to mix and prepare the carbon-mineralized slurry into a commodity concrete.

The present disclosure provides a system for CO.sub.2 storage and utilization of a concrete mixing plant and a method thereof. The system includes a slurry making module, a cyclic grinding module and a material storage and application module. The cyclic grinding module can grind, in the presence of a gas containing CO.sub.2 and medium balls, a composite slurry prepared by the slurry making module, and can cyclically use the gas containing CO.sub.2, so as to realize continuous production of a carbon-mineralized slurry. The material storage and application module includes a material storage bin and a mixing machine connected with each other, and the material storage bin is configured to receive and store the carbon-mineralized slurry from a slurry bin. The mixing machine is configured to mix and prepare the carbon-mineralized slurry into a commodity concrete.

An apparatus and method of cleaning a food processor including providing a food processor base that includes a rotary power driver having a rotatable shaft. A bowl is mounted on the base. A food processing blade attached to the shaft within the bowl. A cleaning accessory is placed in the bowl above the food processing blade. A cleaning fluid is introduced into the bowl, and the food processing blade with the rotatable shaft agitate the cleaning fluid in conjunction with the cleaning accessory.

A compact and transportable equipment adapted to be used for hydraulic fracturing operations on gas or oil fields includes a means for unloading powder polymer, a means for supplying a polymer powder to a silo, and a silo for storing polymer in powder form, the silo having inside a vertical screw located in a vertical pipe, the lower end of the shaft of the vertical screw extending outside of the silo. The equipment has a feed hopper of a polymer metering device, a device for metering out the powder polymer, at least one tank for hydrating and dissolving the dispersed polymer originating from the dispersing and grinding device, and at least one volumetric pump enabling injection and metering of the polymer solution. The lower end of the shaft of the vertical screw has a rotating ring, the rotating ring being perpendicularly fixed on the shaft and being equipped with at least three straight paddles, positioned perpendicularly to the horizontal plan of the ring.

The present disclosure relates to systems and methods for producing nanoparticles of a material in a working liquid. The apparatus can include a core for accelerating the working liquid and the material, wherein the core includes: a first cylinder including: a radially outer surface and a radially inner surface; and a plurality of first through holes extending from the radially inner surface to the radially outer surface of the first cylinder; a second cylinder including: a radially outer surface and a radially inner surface; and a plurality of second through holes extending from the radially inner surface to the radially outer surface of the second cylinder; wherein the second cylinder radially surrounds the first cylinder; wherein each of the first through holes and the second through holes have a smaller cross-section at the radially inner surface than at the radially outer surface.

The present disclosure relates to apparatuses for producing nanoparticles from a material in a working liquid and optionally to produce hydrogen, and to top-down methods for producing nanoparticles and optionally hydrogen using such apparatuses. A core of such an apparatus can include a first disc and a second disc including holes arranged in concentric rings and channel portions between those rings. The first disc and the second disc are arranged such that the channels of each disc face the rings of the other disc.

The present disclosure relates to systems and methods for producing nanoparticles of a material in a working liquid. The apparatus can include a core for accelerating the working liquid and the material, wherein the core includes: a first cylinder including: a radially outer surface and a radially inner surface; and a plurality of first through holes extending from the radially inner surface to the radially outer surface of the first cylinder; a second cylinder including: a radially outer surface and a radially inner surface; and a plurality of second through holes extending from the radially inner surface to the radially outer surface of the second cylinder; wherein the second cylinder radially surrounds the first cylinder; wherein each of the first through holes and the second through holes have a smaller cross-section at the radially inner surface than at the radially outer surface.