162results about "Electrostatic separators" patented technology

The invention provides an electrode slurry treatment device and battery production equipment. The electrode slurry treatment device comprises a container and a power source, and the container is provided with a containing cavity used for containing electrode slurry. The power supply comprises a positive electrode part and a negative electrode part which are both connected to the container, and the power supply is used for applying an electric field to the electrode slurry contained in the containing cavity. Wherein the container comprises a tank body, a stirring paddle, a first conductive part and a second conductive part, the tank body comprises a containing cavity, the stirring paddle is arranged in the containing cavity and is configured to rotate relative to the tank body, and the stirring paddle is used for stirring electrode slurry. The first conductive part and the second conductive part are both arranged in the accommodating cavity, and the first conductive part, the second conductive part and the stirring paddle are arranged at intervals. One of the positive electrode portion and the negative electrode portion is connected to the first conductive member, and the other of the positive electrode portion and the negative electrode portion is connected to the second conductive member. According to the invention, the quality of the electrode slurry can be effectively improved.

Described herein are systems and methods for sorting particles in fluids. Systems may comprise a microfluidic chamber, at least one array of electrodes arranged on the substrate, and a controller. The microfluidic chamber is configured to allow fluid to flow therethrough. The microfluidic chamber includes a substrate. The at least one array of electrodes is arranged on the substrate. The at least one array of electrodes is configured to apply dielectrophoretic (DEP) forces to the fluid flowing through the microfluidic chamber. A respective electrode of the at least one array of electrodes is configured to have a V-shape. The controller is configured to control the at least one array of electrodes.

The utility model provides an automatic mixing device for preparing hydroxyapatite, and relates to the technical field of hydroxyapatite preparation devices, the automatic mixing device comprises a mixing device barrel body, the bottom of the mixing device barrel body is provided with an electromagnetic valve, the surface of the mixing device barrel body is provided with a supporting column, and the supporting column is provided with a supporting rod. A control box is mounted at the top, close to the supporting column, of the surface of the mixing device barrel body, a top cover is mounted at the top of the mixing device barrel body, a handle is mounted on one side face of the top cover, a feeding opening is formed in the top of the top cover, a driving motor is mounted at the top of the top cover, and a rotating rod is mounted on the inner top face of the top cover; a connecting rod is mounted on the surface of the rotating rod, an adsorption pipe is mounted at the bottom of the connecting rod, and a positive electrode pipe is mounted in the adsorption pipe, so that impurities contained in hydroxyapatite can be adsorbed, the residual content of solid particles in the hydroxyapatite after mixing work is completed is reduced, and the quality of mixed liquid is improved.

A digital PCR system includes (a) a microfluidic chip having a sample inlet, an oil inlet, a nozzle, in fluid communication with the sample inlet and the oil inlet to mix the sample and the oil phase to generate a water-in-oil microdroplet; a microdroplet reaction region for performing thermal cycling with the microdroplet to form a reacted microdroplet; an optical detection region, configured to allow detection of a fluorescence signal from the reacted microdroplet; and (b) a chip processing instrument having an optical detection module for detecting a fluorescent signal, and a temperature control module for thermally regulating temperature of the microdroplet reaction region.

The utility model discloses anti-pollution electrostatic adsorption equipment for industrial oil processing. The anti-pollution electrostatic adsorption equipment comprises a shell, an inlet pipe, an outlet pipe, a blow-off pipe and an electrostatic adsorption assembly, the shell comprises an outer shell and an inner container, the outer shell is provided with an inlet pipe and an outlet pipe, a blow-off pipe is arranged at the bottom of the outer shell, and the inner container is placed on the inner container installation ring. The inner container is provided with an inlet hole, an outlet hole and a sewage discharging hole, and an electrostatic adsorption rod inserting opening is formed in the top of the inner container. The electrostatic adsorption assembly is provided with a top cover, and the top cover is buckled on the shell. A diaphragm cylinder is arranged in the center of the top cover, an electrostatic adsorption rod is arranged in the diaphragm cylinder, and an insulating binding post is arranged on the side wall of the top cover and connected with the electrostatic adsorption rod. The diaphragm cylinder penetrates through the electrostatic adsorption rod insertion opening and the blow-off pipe, and the interior of the diaphragm cylinder is communicated with the blow-off pipe. According to the equipment provided by the utility model, continuous adsorption and filtration of industrial oil products can be realized; electrostatic adsorption is adopted, so that polar pollutants in the oil product are effectively adsorbed; the inner container and the outer container are designed, and pressure resistance and corrosion resistance are both considered.

The present invention pertains to a system and method for a medical research instrument device consisting of instrument equipment and computer controls. The instrument equipment consists of electronic boards that are used to control and monitor the various actuators and sensors within the instrument. Software is executed on the computer to drive the human interface and control assay methods. The present invention uses dielectrophoresis ("DEP") to preferentially collect specific particles from a biological sample. The type of particles collected are driven by the parameters used to define the electric field used in DEP. The device passes the samples and various reagents across a patterned silicon die capable of creating the electric fields used within the DEP process.

The utility model relates to a coating die head, a coating device and battery production equipment, and belongs to the technical field of batteries. The coating die head comprises a die head body and an electrode module, and the die head body comprises a containing cavity; and the electrode module is accommodated in the accommodating cavity and is configured to perform electrolytic removal on metal impurities in the slurry in the accommodating cavity. According to the coating die head, the coating device and the battery production equipment provided by the invention, the content of magnetic, weakly magnetic or micron-sized magnetic metal impurities in slurry is reduced, and the reliability of a formed battery is improved.

This development corresponds to a system with electronic components for the treatment of high-concentration fluids or solutions or suspensions with solutes, such as wastewater treatment, obtaining valuable elements that are part of a fluid, seawater desalination, among other processes. The system comprises electrodes, tank, solid-state electronic device, a system management algorithm, and an optional solids removal device. This development also intends to protect a fluid or solution treatment procedure that generally involves two joint or sequential stages, whereby a dynamic electro-coagulation takes places first, followed by dynamic electro-flocculation, in order to separate liquids from dissolved solids or solutes from a solution.

The application discloses a voltage calculation method and device of a filtering device, equipment and a storage medium, relates to the technical field of liquid purification, and discloses a voltage calculation method of a filtering device, which comprises the following steps: acquiring the type of impurities in a liquid to be filtered; determining a theoretical voltage required for destroying an electrical double layer of the impurities based on the type; simulating the process of destroying the electrical double layer based on the theoretical voltage, and the aggregation process of separated impurities obtained after the electrical double layer is destroyed, to obtain a predicted minimum voltage required for aggregating the impurities. That is, the use of high-voltage polarization impurities is avoided, the voltage applied to the liquid to be filtered is just enough to aggregate the impurities, the waste of electric power is avoided, and thus the energy consumption is reduced.

The present disclosure describes a method, a system, and a computer program product of performing a separation on a field flow fractionator. In an embodiment, the method, the system, and the computer program product include executing, by a computer system, a set of logical operations measuring a mass flow control valve position of a control valve connected to a mass flow controller coupled to a field flow fractionator and a pressure control valve position of a control valve connected to a pressure controller coupled to the field fold fractionator in an optimal stability state, storing, by the computer system, the valve positions to a data store as preset values, and executing, by the computer system, a set of logical operations retrieving the preset values from the data store and setting initial conditions for the controllers corresponding to the preset values, resulting in a switch mode of the field flow fractionator.

Disclosed in the present invention are a particle accommodating device, and a particle contactless processing apparatus and a light sensing structure thereof. The particle accommodating device is used for accommodating a liquid specimen that contains a plurality of particles. The accommodating device comprises a light sensing structure and a mating structure spaced apart from the light sensing structure. The light sensing structure comprises a substrate, an electrode layer and a photoelectric layer which are formed on the substrate, and an insulator formed on the photoelectric layer. The insulator comprises a charge-type track protruding from the photoelectric layer. The photoelectric layer is operable to generate a plurality of charges that are concentrated on the charge-type track, so that the charge density of the charge-type track is greater than that of the outer surface of the photoelectric layer, and thus the charge-type track can position at least one of the particles thereon by electrostatic adsorption. Thus, the particles are moved and positioned by means of the electrostatic adsorption, thereby achieving precise positioning of the particles.

The invention discloses an electrostatic lubricating oil efficient filtering device with a porous electrode, and relates to the technical field of hydraulic lubricating system oil purification, the electrostatic lubricating oil efficient filtering device comprises a shell, a high voltage electrode, a dust collector and a grounding electrode; through innovative porous electrode design, gradient electric field optimization and an intelligent control system, the oil purification efficiency and adaptability are remarkably improved. According to the high-voltage electrode, a honeycomb-shaped porous structure is combined with a BaTiO3-PTFE dielectric coating, and efficient electrification and agglomeration of micron-sized particles are achieved by enhancing corona discharge and dielectrophoresis effects; the dust collector not only strengthens the gradient adsorption effect of an electric field, but also solves the problem of insulation of water-containing oil liquid through winding of multiple layers of dielectric materials and the design of a waterproof film interlayer. The control system monitors the particle concentration and the pressure difference in real time, the voltage and the flow are dynamically adjusted, a high-pressure back flushing mechanism is adopted, and the service life of a filter element is prolonged while the NAS 6-level purification standard is guaranteed.

To provide a seawater desalination system and a seawater desalination method.SOLUTION: A seawater desalination system 1000 includes a seawater desalination apparatus 70 assembled with, as one unit, a first pretreatment apparatus 1001, a second pretreatment apparatus 1002 provided in a rear flow of the first pretreatment apparatus 1001, a first ion separation apparatus 10A that penetrates cations in the seawater and blocks anions, and a second ion separation apparatus 10B that is provided in the subsequent stage side of the first ion separation apparatus 10A, penetrates anions in the penetration liquid with cations having been penetrated and blocks cations, wherein seawater with a salinity concentration of, e.g., 3.5%, is converted to a salinity concentration of 0.05% to be usable as drinking water.SELECTED DRAWING: Figure 23

A method for removing noxious, hazardous, toxic, mutagenic, and / or carcinogenic compounds and / or precursor compounds from a comingled gas, liquid, and / or solid stream is described. In one embodiment, the method is used to prepare the stream for feeding to an oxidizer, such as a thermal oxidizer, to reduce the amount of particulate matter discharged by the oxidizer and includes passing the stream through an ambient or chilled temperature condenser followed by an optional gas / solid separator, and one or more gas scrubbers prior to feeding to the oxidizer.

The invention relates to the technical field of membrane separation, and discloses a high-protein milk concentration process based on a membrane filtration technology, the process adopts an electric response membrane grafted with an electric response polymer brush on the surface, and an electric control zymogen modified by genetic engineering is added into milk feed liquid to be treated. The zymogen is modified with an electric field responsive anchoring group and an electric signal activated ferrocene protecting group. In the filtering stage, a first electric field is applied to stretch the polymer brush, so that anti-pollution filtering is realized; and in the cleaning stage, switching to a second electric field to enable the polymer brush to shrink and drive the zymogen to be anchored on the surface of the membrane, and applying an activation pulse to trigger the activity of the zymogen so as to degrade pollutants in situ. On the premise of not interrupting production, not adding chemical cleaning agents and not damaging target product protein, milk concentration is efficiently and continuously carried out, and long-term stable high permeation flux is maintained.

The invention discloses an electrostatic water treatment device, comprising a high-voltage electrostatic generator, an ion rod, a cross-shaped tube rack, a connecting arm, a low-voltage direct current power supply, a cathode pipeline and two electrode plates; the high-voltage electrostatic generator is connected to the ion rod, the inlet end of the cathode pipeline is welded to the cross-shaped tube rack, the end of the ion rod is fixed at the center of the cross-shaped tube rack, the upper and lower sides of the ion rod are provided with electrode plates, wherein the electrode plates are connected to the low-voltage direct current power supply, the end of the connecting arm is inserted into the cathode pipeline and then connected to the electrode plate, the device can remove the charged adsorbed ions on the ion rod, and the removal effect is good.

The present invention is directed to a system and method for a research instrument device. A method of purifying extracellular vesicles (“EVs”) is disclosed wherein a biological sample including EVs is obtained and applied to a fluidic cell in an array of fluidic cells of a multistage dielectrophoretic (“DEP”) filter system. The DEP filter system comprises a semiconductor array comprising a plurality of electrodes. The DEP filter system is disposed within a fluidics system; wherein the fluidics system is configured to move at least one fluid across the semiconductor array of the DEP filter system.

The utility model relates to the technical field of alloy smelting, in particular to a high-temperature alloy melt impurity removal device which comprises a melt container, the main body part of the melt container is cylindrical, and a spiral coil is arranged on the side wall of the melt container in the circumferential direction of the melt container; electrodes are respectively arranged at the upper part and the lower part of the melt container and can be in contact with the melt; an air inlet is formed in the middle lower part of the side wall of the melt container, and an air outlet is formed in the top of the melt container; the upper part of the melt container is provided with a liquid inlet and a pipeline thereof, and a first liquid outlet and a pipeline thereof, the lower part of the melt container is provided with a second liquid outlet and a pipeline thereof, and the pipeline of the first liquid outlet is provided with a filter. Electromagnetic and magnetic fields are applied to the molten liquid, so that the collision opportunity of impurity particles is increased, larger particles are formed, and floating of the particles is facilitated. Meanwhile, argon wind is applied to stir the melt, so that impurity particles float to the surface of the melt, and the removal effect of removing tiny impurity particles is improved.

The invention relates to the technical field of oil filtering, and discloses an electrostatic adsorption type oil filtering system which comprises a filtering tank, a top cover, an insulating separation barrel, a filter element and an electrostatic adsorption mechanism. An oil inlet is fixedly connected to the lower end of the left side of the filtering tank, an oil outlet is fixedly connected to the upper end of the left side of the filtering tank, and a drain outlet is formed in the lower end of the right side of the filtering tank; a lead port is formed in the upper end of the right side of the filtering tank; a positioning seat is arranged in the middle of the bottom of the inner side of the filtering tank; an extension ring is fixedly arranged at the inner end of the bottom of the top cover downwards; the top cover is mounted at the upper end of the flange plate; the filter element is arranged in the insulating separation barrel, a fixing shaft is fixedly arranged in the middle of the interior of the filter element, and the bottom of the fixing shaft extends downwards to be installed in the positioning seat; the electrostatic adsorption mechanism is arranged at the upper part in the insulating separation barrel and is mounted above the filter element. Compared with a traditional filter element, the filtering precision is greatly improved, particle impurities and water in oil are charged and adsorbed and separated, and the filtering and purifying effect is improved.

An exemplary method and system is disclosed that facilitate the integration of multiplexed single-cell impedance cytometry in a high throughput format, which can be deployed upstream from microfluidic sample preparation and / or downstream to microfluidic cell separation. In exemplary method and system may employ impedance-based quantification of cell electrophysiology on the same microfluidic chip (i.e., “on-chip”) to provide distinguishing phenotypic information on the sample, without the need for additional sample handling, preparation or dilution steps as would be needed for other flow cytometry techniques.

Provided are microfluidic devices. The devices comprise a chamber configured to contain a liquid medium. The devices further comprise a substrate comprising: i) a photoconductive layer forming a first wall of the chamber; and ii) first and second electrodes disposed in a planar arrangement within or adjacent to the photoconductive layer. The devices further comprise a microfluidic inlet channel connected to the chamber, and a microfluidic droplet generator connected to the chamber. Systems comprising the microfluidic devices of the present disclosure are also provided. The systems comprise a light pattern generator optically coupled to the photoconductive layer; and a voltage source electrically coupled to the first and second electrodes. Methods of engulfing a particle into a droplet implemented using a system of the present disclosure are also provided.

The invention discloses a filter element container of agglutination filtering equipment, and relates to the technical field of filtering containers, and the filter element container of the agglutination filtering equipment comprises a container body and a liquid outlet structure; according to the technical scheme, the first electrode parts and the second electrode parts are arranged, small-particle impurities are agglutinated in the filtering process of the filtering parts located between the first electrode parts and the second electrode parts within the action range of voltage, so that the filtering quality is guaranteed, and the flow guide parts are opposite to the gaps between the two adjacent first electrode parts, so that the filtering quality is improved. When the filtering liquid leaves the space between the first electrode part and the second electrode part from the gap, the filtering liquid is shunted towards the two sides by the flow guide part so as to ensure that the flowing direction of the liquid is transferred orderly, so that the filtering liquid can quickly and efficiently flow to different first liquid outlets, and the liquid outlet efficiency of the filtering liquid is further improved; therefore, under the condition of low-flow filtration, the discharged liquid can be quickly collected through the confluence part, and the liquid discharging efficiency is ensured.

An electrode apparatus and method remove a polarized molecule in a fluid. In another aspect, a non-uniform electric field is created between an anode and a cathode, the fluid flows within a gap between the cathode and the anode, and the polarized molecule is driven by an electrostatic force to and adsorbed on the anode without experiencing a chemical reaction.

A dielectrophoretic detection device including a chip, with a flow channel having at least one inlet and one outlet, and at least a detection area configured to detect analytes trapped on functionalised beads flowing within the flow channel, first and second electrode assemblies shaped as rows of parallel pillars extending a the height of the flow channel, and configured to generate under electric tension an electric field to form an electrical barrier, and preventing the beads to cross the barrier and drawing the beads to the detection area by dielectrophoretic forces where they are clustered and concentrated. The device may be provided with multiple rows of parallel pillars of electrode assemblies extending over the height of the flow channel, forming multiple concentration lines. The flow channel may be provided with further rows of parallel pillars of electrode assemblies crossing the flow channel in a transverse direction, forming further incubation lines.

The invention provides a micro-fluidic chip and an intelligent particle sorting system and equipment. The micro-fluidic chip comprises a channel layer and a substrate layer which are arranged from top to bottom, the channel layer comprises an inlet flow channel, a shunting flow channel, a sorting flow channel, an outlet flow channel and an electrode flow channel; one end of the inlet runner is connected with the sample inlet and the sheath fluid inlet, and the other end of the inlet runner is connected with the shunt runner; a sample and sheath fluid flow through the inlet flow channel, flow into the shunting flow channel and then flow through the sorting channel for sample particle sorting, and the sorted sample particles flow out through the outlet flow channel; the electrode flow channel enables the side wall of the sorting flow channel to form a side wall electrode, and the side wall electrode enables the sample to deflect due to dielectrophoretic force when flowing through the sorting channel so as to sort sample particles. According to the invention, the particles can be sorted efficiently and intelligently in a high-throughput manner.

The utility model relates to the technical field of electrostatic oil purifiers, and discloses a novel balance charge core body for an electrostatic oil purifier, which comprises an oil purifier, the bottom of the oil purifier is fixedly connected with a placing box, the middle parts of the inner walls of the two sides of the placing box are provided with first sliding chutes, and the interiors of the first sliding chutes are connected with filtering components in a sliding manner; through the arrangement of the filtering assembly, a person pulls a filtering net to slide in a first sliding groove formed in the containing box through extension frames connected to the two sides and first sliding blocks fixed to the surfaces of the extension frames, the person can conveniently disassemble, assemble and clean the filtering net, and the filtering effect of the surface is guaranteed; meanwhile, the electric charge core body adopts a sliding installation mode, so that the electric charge core body can be more easily put into or taken out of the oil purifier, the operation time and the maintenance cost are saved, stable support can be provided for the electric charge core body, and vibration and displacement possibly occurring in the working process of the oil purifier are reduced.

The present disclosure describes a field flow fractionator including (a) a top plate assembly including a top electrically conductive electrode, (b) an o-ring, (c) an electrically insulating frit, (d) an electrically insulating spacer between a bottom surface of the top electrode and the o-ring and the frit, (e) a membrane between the spacer and the frit, and (f) a bottom plate assembly including a bottom electrically conductive electrode.