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2927results about "Mixers" patented technology

Systems and methods of forming particles

The present invention generally relates to systems and methods of forming particles and, in certain aspects, to systems and methods of forming particles that are substantially monodisperse. Microfluidic systems and techniques for forming such particles are provided, for instance, particles may be formed using gellation, solidification, and/or chemical reactions such as cross-linking, polymerization, and/or interfacial polymerization reactions. In one aspect, the present invention is directed to a plurality of particles having an average dimension of less than about 500 micrometers and a distribution of dimensions such that no more than about 5% of the particles have a dimension greater than about 10% of the average dimension, which can be made via microfluidic systems. In one set of embodiments, at least some of the particles may comprise a metal, and in certain embodiments, at least some of the particles may comprise a magnetizable material. In another set of embodiments, at least some of the particles may be porous. In some embodiments, the invention includes non-spherical particles. Non-spherical particles may be formed, for example, by urging a fluidic droplet into a channel having a smallest dimension that is smaller than the diameter of a perfect mathematical sphere having a volume of the droplet, and solidifying the droplet, and/or by exposing at least a portion of a plurality of particles to an agent able to remove at least a portion of the particles.
Owner:PRESIDENT & FELLOWS OF HARVARD COLLEGE

Solid-liquid mixing device

ActiveCN103223315AContinuous mixingMixing methodsMixersFracturing fluidSolid particle
The invention provides a solid-liquid mixing device which is used for mixing a fracturing fluid. The solid-liquid mixing device contains a low-temperature and pressure resistant enclosed mixing container, a solid introducing port which is arranged on the mixing container and used for introducing solid particles of the fracturing fluid into an inner chamber of the mixing container, a liquid introducing port which is disposed on the mixing container and used for introducing a base solution of the fracturing fluid into the inner chamber, and a solid-liquid outlet which is arranged on the mixing container and used for exporting the fracturing fluid out of the inner chamber. According to the solid-liquid mixing device provided by the invention, by the adoption of the low-temperature and pressure resistant enclosed mixing container, the solid-liquid mixing device can meet mixing requirements for low temperature under pressure; and as the mixing container is respectively provided with the solid introducing port, the liquid introducing port and the solid-liquid outlet, the process of putting the solid particles and the base solution into the mixing container and the process of exporting the fracturing fluid out of the mixing container will not interfere with each other, and mixing of the fracturing fluid can be continuously carried out.
Owner:YANTAI JEREH OILFIELD SERVICES GROUP

Blending system of fracturing fluid and blending technology of system

The invention provides a blending system of a fracturing fluid. The blending system comprises a suction pump, a mixer, a mixing tank, a secondary mixer which is arranged between the mixer and the nixing tank and is used for mixing the fracturing fluid again, and a parallel-connection water channel, wherein one end of the parallel-connection water channel is communicated with the suction pump, the parallel-connection water channel and a mixing water channel of the mixer are connected in parallel, and the other end of the parallel-connection water channel is communicated with the secondary mixer. The blending system provided by the invention has the advantages that the parallel water channel is additionally arranged and is connected with the mixing water channel in parallel, a base solution is capable of simultaneously entering two routes, namely the mixing water channel and the parallel-connection water channel, not all of the base solution enters the mixing water channel, a condition that the limitation on blending efficiency is caused by the relatively small flow of the mixing water channel is avoided, the blending time is shortened, the blending energy consumption is reduced, the fracturing fluid is formed through multi-time blending in a double-route manner, the mixing uniformity is improved, and the quality of the fracturing fluid is further optimized. The invention also provides a fracturing fluid blending technology suitable for the blending system of the fracturing fluid.
Owner:YANTAI JEREH PETROLEUM EQUIP & TECH CO LTD

Continuous acid mixing equipment

The invention provides continuous acid mixing equipment which comprises a continuous acid preparing vehicle and a skid-mounted buffer tank. The continuous acid preparing vehicle comprises a chassis vehicle, a liquid adding pump, an original acid centrifugal pump, a clear water centrifugal pump, a discharging centrifugal pump, an acid mixing tank, an acid-alkali tank, an automatic feeding machine and a dry powder adding device, the liquid adding pump, the original acid centrifugal pump, the clear water centrifugal pump, the discharging centrifugal pump, the acid mixing tank, the acid-alkali tank, the automatic feeding machine and the dry powder adding device are arranged on the chassis vehicle, the clear water centrifugal pump is connected with the acid mixing tank through a clear water manifold, the original acid centrifugal pump is connected with the acid mixing tank through an original acid manifold, a first stirrer and a nozzle are arranged inside the top of the acid mixing tank, and an acid-alkali indicator for displaying acidity and alkalinity in the acid-alkali tank is arranged on the acid-alkali tank; the skid-mounted buffer tank comprises a skid frame, a buffer tank, a skid-mounted engine and a centrifugal pump, the buffer tank, the skid-mounted engine and the centrifugal pump are arranged on the skid frame, the discharging centrifugal pump on the continuous acid preparing vehicle is connected with the buffer tank through a discharging manifold, and a second stirrer is arranged in the buffer tank. Through combined use of the continuous acid preparing vehicle and the skid-mounted buffer tank, continuous mixing of acid is realized; by arranging an acid mist removing device in the acid mixing tank, a lot of acid mist and foam generated during acid mixing are removed effectively, so that the whole continuous acid mixing equipment is safer in operating performance.
Owner:YANTAI JEREH PETROLEUM EQUIP & TECH
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