52results about "Lorentz force separation" patented technology

A laminar or cyclonic particle separator for gas, liquid-liquid and fluidizable solids separation comprised of a section with a non-metallic housing having an annulus and a chamber, an optional anode cooled with a first coolant in and a first coolant out disposed in the chamber, a DC or pulsating DC power source connected to the anode, at least one magnetic coil disposed adjacent the chamber and cooled with a second coolant, a high voltage pulsating DC power source connected to the magnetic coil, and a fluid (gas, liquid or fluidizable solids) inlet port connected to the housing, and also a section with a non-metallic separator tube connected to the housing and disposed within the housing, a first fluid outlet connected to the annulus through the housing. This device can then separate a stream rich in a targeted element (first fluid) and a stream lean in a targeted element (second fluid) from the device and thus discharge a stream almost free of the targeted element or almost 100% the targeted element.

The invention relates to a method for removing zinc slag from hot galvanizing liquid by utilizing the difference of electrical conductivity between zinc slag and zinc liquid, the method comprises exerting electric-magnetic force field through direct or induction modes, building up a pressure gradient in zinc liquid within the ceramic tube, thus bringing directional emigration to the zinc slag with poor conductivity under the action of electromagnetic extrusion pressure exerted by the ambient zinc liquid, as a result, the zinc slag is trapped onto the walls of the ceramic tube.

Disclosed is an apparatus and method for sorting particles. The apparatus includes a magnet mechanism(12)for separating particles with a magnetic force. The apparatus includes an electric mechanism including an electrode(22)disposed adjacent to the magnet mechanism for separating particles with a electric force. The apparatus includes a mechanism(26)for providing the particles to the magnet mechanism and the electric mechanism. The providing mechanism is engaged with the magnet mechanism and the electric mechanism. The magnet mechanism(12)acts as another electrode to create an electric field between the magnet mechanism(12)and the electrode(22). The method includes the steps of providing the particles to a magnet mechanism(12)and an electric mechanism, comprised of electrode(22)and magnet mechanism(12). Then there is a step of separating the particles with the magnetic force and the electric force, both acting simultaneously on the particles.

A device for separating a sample of cells suspended in a bio-compatible ferrofluid is described. The device includes a microfluidic channel having a sample inlet, at least one outlet and a length between the same inlet and the at least one outlet, wherein a sample can be added to the sample inlet and flow along the microfluidic channel length to the at least one outlet. The device includes a plurality of electrodes and a power source for applying a current to the plurality of electrodes to create a magnetic field pattern along the microfluidic Channel length. The present invention also includes a method of using said device for separating at least one cell type.

A device for separating particles according to their respective masses includes a substantially cylindrical wall of inner radius, “Rwall”, that surrounds a chamber and defines a longitudinal axis. A multi-species plasma having relatively cold ions is initiated at a first end of the chamber within a relatively small radius, “rsource”, from the longitudinal axis. A hollow cylinder having an outer radius, “Router”, is positioned at the second end of the chamber and centered on the axis. Cross electric and magnetic fields (E×B) are established in the chamber that are configured to send ions of relatively high mass on trajectories having a radial apogee, rapogee, that is greater than the cylinder's outer radius (r>Router). After reaching apogee, these ions lose energy and strike the cylinder where they are collected. Low mass ions are placed on small radius helical trajectories and pass through the hollow cylinder.

It is disclosed a combined system for the elimination of pollutants from gaseous effluents of the type that comprises means for carrying out at least one electronic bombardment operation and means for carrying out at least one electrostatic interaction operation, in which a heat diffusion and molecular destabilization operation is performed as a previous treatment in order to restrict the flow of gases in such a way that it causes the gas molecules and suspended particles to tend to split up and electronically destabilize at the time that the temperature of the same gases is reduced; and / or a magnetic molecular rearrangement operation is carried out prior to each electrostatic interaction operation, consisting of subjecting the gases to a magnetic field having such a force that achieve a rearrangement of the sub-particles and heavier molecules thus achieving a selective separation that prepares the gaseous stream for the electrostatic interaction operation. It is described also an apparatus with the system incorporated therein.

The present invention relates to a microfluidic device and a corresponding method for pumping of high conductivity liquids comprising: —a microfluidic channel (26; 80; 101) for containing an electrically conductive liquid, in particular a liquid having a high conductivity, —at least two electric field electrodes (21, 22; 71, 72; 91, 92) for generating electric fields, —at least one magnetic field electrode (21, 22; 75, 76; 93, 94) for generating a magnetic field in a direction substantially perpendicular to said electric fields, —a voltage source (23; 74; 95) for providing electric potentials to said at least two electric field electrodes (21, 22; 71, 72; 91, 92) for generating said electric fields, —a current source (23; 78, 79; 96, 97) for providing an electric current to said at least two magnetic field electrodes (21, 22; 75, 76; 93, 94) for generating said magnetic field, wherein said voltage source (23; 74; 95) and said current source (23; 78, 79; 96, 97) are adapted to simultaneously provide said electric potential and electric current, respectively, to said electrodes to obtain a Lorentz force acting on the high conductivity liquid in the direction (27; 81; 99) of said microfluidic channel (26; 80; 101).

Device designed to desalinate brackish water which performs said function by the combined action of magnetic fields generated inside the device and ion-selective membranes, thus obtaining two separate water currents, one with a low salt concentration and the other reject current with a high salt concentration. It comprises an external cylindrical body of magnetized iron (1), an inner body also cylindrical and made of the same material (2) and an intermediate chamber (3) in which are placed a series of ion-selective membranes (6 and 7) arranged radially around the axle common to all of the bodies, and placed alternately such that each negative-ion selective membrane has a positive-ion selective membrane on either side.

The present invention discloses a system for separating minerals in drilling fluid based primarily on density. The separator creates and maintains a slurry with a controllable density for separating minerals from drill cuttings. The density if controlled through the use of an electrode array. The separator comprises a primary separation chamber containing the dense slurry, and a multiple number of secondary separation chambers used to separate cuttings from the drilling fluid. The invention also contains inlet hardware allowing the mixed mineral suspension to enter the first separation chamber, and hardware allowing the three outlet (separated) streams to exit the device. One of the three outlet streams carries the minerals that have a density greater than the user selectable density set point, while the second carries the minerals that have a density less than the density set point, and the third carries clean drilling fluid.

A device for separating a sample of cells suspended in a bio-compatible ferrofluid is described. The device includes a microfluidic channel having a sample inlet, at least one outlet and a length between the same inlet and the at least one outlet, wherein a sample can be added to the sample inlet and flow along the microfluidic channel length to the at least one outlet. The device includes a plurality of electrodes and a power source for applying a current to the plurality of electrodes to create a magnetic field pattern along the microfluidic channel length. The present invention also includes a method of using said device for separating at least one cell type.

The invention relates to a high-efficiency composite fume purifier with an alternating electric field, which is characterized in that a purifying element arranged in a flue pipe comprises an alternating signal generating element, electrodes of an alternating electric field and high-voltage packets, wherein the output end of the alternating signal generating element is electrically connected with the input ends of the high-voltage packets, and the output ends of the high-voltage packets are respectively connected to two electrodes of an alternating electric field. On the basis of static electricity fume purifiers, the high-efficiency composite fume purifier adopts the alternating electric field instead of an original static electric field and has obvious effect, has 30% of film stacking speed of electrodes in the static electric field, greatly reduces the generation of discharge arcs in the electric field and fume pollution, effectively delays attenuation of field intensity, accelerates fume sedimentation, has better fume removing rate, adds a temperature control system in a circuit of the electric field to adjust and control field intensity, effectively avoids breakdown caused by fume arc ignition and avoids fire.

The invention belongs to the technical field of integrated-circuit manufacture, in particular to a method for separating carbon nanotubes with different conductive performances. The method disclosed by the invention comprises the following steps of: soaking an integrated-circuit material containing metallic carbon nanotubes and semiconducting carbon nanotubes into liquid, then enabling the liquid to enter the same container from the same inlet, and arranging an electric field and a pair of magnetic poles with formed magnetic-force lines vertical to the electric field around the container; and converting the directions and the sizes of power lines of the electric field and the directions and the sizes of the magnetic-force lines to separate the metallic carbon nanotubes from the semiconducting carbon nanotubes. The metallic carbon nanotubes and the semiconducting carbon nanotubes obtained by using the method disclosed by the invention have high purity, and the yield product of an integrated circuit using the semiconducting carbon nanotubes can be greatly improved. The method disclosed by the invention is simple and easy to operate, the cost is low, and the manufacturing cost of the high-purity carbon nanotubes can be greatly lowered.

The invention discloses an electromagnetic precipitator, comprising: a charging device; a magnetic field module arranged in the downwind direction of the charging device, the magnetic field module comprising two oppositely arranged magnetic poles; a magnetic field located in the magnetic field formed by the magnetic field module A plurality of dust collecting plates inside, and the plate surface of the dust collecting plates is parallel to the airflow direction and the magnetic field direction of the magnetic field; wherein, the voltage of the charging device is adjustable, and / or the magnetic field module The strength of the magnetic field is adjustable, and / or the distance between two adjacent dust collecting plates is adjustable. Since at least one of the voltage of the charging device, the magnetic field strength of the magnetic field module and the distance between two adjacent dust collecting plates can be adjusted, by adjusting the above parameters, most of the dust particles can reach the dust collecting plate and be captured , which can ensure the dust removal effect of the equipment under different working conditions. The invention also discloses a flue gas purification system using the electromagnetic dust collector.

The invention relates to a multifunctional ultrasonic high-voltage electromagnetic sorting device for mixed waste materials. The multifunctional ultrasonic high-voltage electromagnetic sorting device comprises a mixed material cavity 2 and a discharging outlet 3 connected with the mixed material cavity 2; an ultrasonic generator 1 is arranged in the mixed material cavity 2; the mixed materials pass through a sorting channel 5 and then enter a mixed material cavity 6 and a metal sorting channel 7; and an air blower 4 is connected with the sorting channel 5. A discharging outlet 11 is connected with the mixed material cavity 6, and an electrostatic generator 10 is arranged in the mixed material cavity 6. The discharging outlet 11 is connected with one end of an electric discharge pole plate 12, and the other end of the electric discharge pole plate 12 is connected with a high-voltage electrostatic grounding roller 14. A corona electrode 13 is arranged on the portion, in the direction perpendicular to the electric discharge pole plate, above the roller. One side of the roller is provided with a roller brush 15, and a conductor collecting tank 20, a neutral conductor collecting tank 21 and a non-conductor collecting tank 22 are arranged below the roller. The metal sorting channel is provided with an electromagnet 9, a high-voltage electrostatic generator 16 and a uniform magnetic field 17 from top to bottom in sequence. The lower side of the electromagnet is provided with a magnetic metal channel 18 and a non-magnetic metal channel 19. Collecting tanks are arranged below the metal sorting channel.

A preferred method of the invention separates metallic or charged nanostructures in solution. In preferred embodiments, metal and semiconducting nanostructures are separated in solution with use of a net Lorentz force applied to metallic or conductive nanostructures. In other embodiments, charged nanostructures are separated from other nanostructures in solution. The charge can be applied to semiconducting or insulating nanostructures of a predetermined size by application of appropriate radiation. The method is conducted on dispersed nanostructures suspended in solution in a vessel. The net Lorentz force to metallic, conductive or charged nanostructures within the solution moves the metallic, conductive or charged nanostructures toward a common volume in a portion of the vessel. Extraction of the common volume provides solution with a high ratio of the metallic, conductive or charged nanostructures. The solution left behind has a high ratio of semiconducting or insulating nanostructures. That solution can also be recovered.

The invention provides an ion purifier. The ion purifier comprises a plasma generator and a static electric field adsorber; the plasma generator comprises an electric conduction polar plate and a tungsten filament, wherein the electric conduction polar plate is grounded, and the tungsten filament is used for loading high voltage; and the static electric field adsorber is placed at an air outlet of the plasma generator, and a magnetic body is arranged inside the static electric field adsorber. According to the ion purifier, a magnetic field is added between a repulsion polar plate and an absorption polar plate, on the premises that the electric field voltage is not increased and the distance between the polar plates is not decreased, the aims of improving the dust removal efficiency of an existing high voltage ion purifier are achieved, and the ion purifier has the beneficial effects that the structure is simple, cost is low, and the thickness of an ion purification module is not increased.

The invention provides a magnetic separator. The magnetic separator comprises a frame (1), a sorting body (3) and a magnetic body; the sorting body (3) and the magnetic body are movably mounted on the frame (1) through a second transmission shaft (12) and a first transmission shaft (9); multiple magnetic pole areas are zonally distributed on the outer surface of the magnetic body; polarities of two adjacent magnetic pole areas are opposite; the polarities in the same magnetic pole area are the same; a hollow accommodating cavity is formed in the sorting body (3); the magnetic body is mounted in an accommodating cavity of the sorting body (3); and a gap is formed between the inner surface of the sorting body (3) and the outer surface of the magnetic body. The magnetic separator is low in sensitivity of the water content of separated materials, can fully separate magnetic materials from non-magnetic materials without generating the magnetic wrapping phenomenon, improves the material classifying capacity and the material sorting efficiency, and has such prominent advantages as simple structure, low actuation cost and reduction of production management difficulty.

A device and method for extracting particles contained in a ferrofluid medium are provided. Such methods may comprise suspending particles of different sizes in a ferrofluid medium and containing the ferrofluid medium in a cylindrical reservoir, and applying a first magnetic field to at least a portion of the reservoir. The first magnetic field is configured to indirectly exert a force on at least a portion of the particles of a predetermined size, and direct the portion of particles in a desired direction.

The present invention relates to a microfluidic device and a corresponding method for pumping of high conductivity liquids comprising: -a microfluidic channel (26; 80; 101) for containing an electrically conductive liquid, in particular a liquid having a high conductivity, -at least two electric field electrodes (21, 22; 71, 72; 91, 92) for generating electric fields, -at least one magnetic field electrode (21, 22; 75, 76; 93, 94) for generating a magnetic field in a direction substantially perpendicular to said electric fields, -a voltage source (23; 74; 95) for providing electric potentials to said at least two electric field electrodes (21, 22; 71, 72; 91, 92) for generating said electric fields, -a current source (23; 78, 79; 96, 97) for providing an electric current to said at least two magnetic field electrodes (21, 22; 75, 76; 93, 94) for generating said magnetic field, wherein said voltage source (23; 74; 95) and said current source (23; 78, 79; 96, 97) are adapted to simultaneously provide said electric potential and electric current, respectively, to said electrodes to obtain a Lorentz force acting on the high conductivity liquid in the direction (27; 81; 99) of said microfluidic channel (26; 80; 101).

A system and process are provided for extracting a substance from a molecular combination. The process comprises heating the molecular combination to dissociate the molecular combination into cations and anions, moving the cations and anions through a magnetic field to separate cations and anions, and isolating cations from anions with a barrier. The system comprises a non-conductive conduit for guiding an ionized particle stream, a magnetic field source for creating a magnetic field through which the ionized particle stream moves, and a barrier located in the conduit. The ionized particle stream has a velocity relative to the conduit, and the magnetic field source is oriented relative to the velocity of the ionized particle stream so that cations are separated from anions as the ionized particle stream moves through the magnetic field. The barrier is oriented in the conduit so that cations are isolated from anions after separation.

The invention provides a device and method for achieving separation of negative and positive ions in a solution through a magnetic field. The method can further be used for separation or enrichment ofelectronegative and electropositive particle groups in the solution. The device comprises a Lorentz force separation device, a magnetic field space, a liquid conveying part and a liquid collecting part. According to the device and method, the ions are separated or enriched through Lorentz force borne by the charged ions during movement of the ion solution in the magnetic field; the static magnetfield is changed into the rotating magnet field to increase the relative movement speed between the ions and the magnetic field so as to improve the separation effect; and the negative and positive ions in the solution are separated or enriched under the normal temperature and pressure, and compared with an electrochemical reaction method, the electrode corrosion problem is avoided. The device hasthe characteristics that the structure is simple, operation is convenient, the construction cost is low, energy consumption is low, the service life is long, the applicability is wide, and magnetic pollution is small.

A device for separating a sample of cells suspended in a bio-compatible ferrofluid is described, The device includes a microfluidic channel having a sample inlet, at least one outlet and a length between the same inlet and the at least one outlet, wherein a sample can be added to the sample inlet and flow along the microfluidic channel length to the at least one outlet. The device includes a plurality of electrodes and a power source for applying a current to the plurality of electrodes to create a magnetic field pattern along the microfluidic channel length. The present invention also includes a method of using said device for separating at least one cell type.

An apparatus is disclosed for separating minerals in drilling fluid based primarily on density. The separator creates and maintains a slurry with a controllable density for separating minerals from drill cuttings. The density is controlled through the use of an electrode array. The separator comprises a primary separation chamber containing the dense slurry, and a multiple number of secondary separation chambers used to separate cuttings from the drilling fluid. The invention also contains inlet hardware allowing the mixed mineral suspension to enter the first separation chamber, and hardware allowing the three outlet (separated) streams to exit the device. One of the three outlet streams carries the minerals that have a density greater than the user selectable density set point, while the second carries the minerals that have a density less than the density set point, and the third carries clean drilling fluid.

The invention discloses a low-energy-consumption magnetic type charge particle recovery device which comprises permanent magnets, capture barrels made of non-magnetic metal, a barrel driving motor and a power converter, wherein the two sets of capture barrels are arranged in parallel, an air channel is formed between the two sets of capture barrels, the permanent magnets are fixed to axial centers in the barrels, the opposite sides of the two permanent magnets are an N pole and an S pole, and the capture barrels are driven by the motor to rotate; the capture barrels are provided with electric brushes which are in contact with the surfaces of the barrels, and the rear ends of the electric brushes are connected with the converter to obtain electric energy and are in drive connection with the motor; particle clearing brushes are arranged on the lower surfaces of the capture barrels, and particle collection devices are correspondingly arranged under the particle clearing brushes. According to the low-energy-consumption magnetic type charge particle recovery device, particles can be adhered to a conductor material through magnetic field deflection, so that the problem of the secondary pollution of the particles which are ionized in high voltage to the environment is effectively solved; the low-energy-consumption magnetic type charge particle recovery device is simple, achieves normal-voltage treatment, reduces the cost of a traditional dust removing device, solves the problem that the traditional device has high requirements on the installation environment, and also brings convenience to later maintenance.

A system may include a horizontal actuator to move a tray, to which a microwell plate and a microfluidic chip may be coupled. The system may include a vertical actuator to move a support arm, to which a plurality of pipettes or pipette tips may be coupled. The system may include a rotational actuator to move an angle bracket, to which a magnet may be coupled. The system may include a heater, through which the pipettes may extend. The system may include a pump to control the flow of fluids through the pipettes.

A device and method for extracting particles contained in a ferrofluid medium are provided. Such methods may comprise suspending particles of different sizes in a ferrofluid medium and containing the ferrofluid medium in a cylindrical reservoir, and applying a first magnetic field to at least a portion of the reservoir. The first magnetic field is configured to indirectly exert a force on at least a portion of the particles of a predetermined size, and direct the portion of particles in a desired direction.

A device for separating particles according to their respective masses includes a substantially cylindrical wall of inner radius, “Rwall”, that surrounds a chamber and defines a longitudinal axis. A multi-species plasma having relatively cold ions is initiated at a first end of the chamber within a relatively small radius, “rsource”, from the longitudinal axis. A hollow cylinder having an outer radius, “Router”, is positioned at the second end of the chamber and centered on the axis. Cross electric and magnetic fields (E×B) are established in the chamber that are configured to send ions of relatively high mass on trajectories having a radial apogee, rapogee, that is greater than the cylinder's outer radius (r>Router). After reaching apogee, these ions lose energy and strike the cylinder where they are collected. Low mass ions are placed on small radius helical trajectories and pass through the hollow cylinder.

The invention discloses a magnetic field offset particulate matter collecting device and method, and belongs to the technical field of collecting equipment. The device comprises a rack; an electrolyte tank; the air inlet formed in one end of the rack; an atomizing chamber of which the one end is communicated with the air inlet; an atomizing nozzle which is fixed on the inner wall of the atomizing chamber, is communicated with the electrolyte tank and is used for atomizing and spraying the electrolyte; a gas flow channel of which one end is communicated with the other end of the atomizing chamber, and is provided with an exhaust fan for sucking air in from the air inlet; a collecting chamber and a collecting channel. The side wall of the collecting chamber is communicated with the other end of the gas flow channel, and an electrified surrounding coil is wound outside the side wall of the collecting chamber; and the collecting channel communicates with the bottom of the collecting chamber, and a heating unit is arranged at the bottom of the collecting channel and used for heating the bottom of the collecting channel. According to the invention, aerosol particles and an atomized electrolyte solution are fully contacted and electrified by using the characteristic that aerosol is easy to adhere and electrified, and falling and collecting of the electrified aerosol particles are accelerated by using magnetic field deviation, so that the aerosol particles are rapidly and efficiently collected.