Patent application number | Description | Published |
20080196854 | Sieve Mechanism For the Production of Paper, and Method For the Treatment of Non-Woven Fibers - To increase the processing speed of a sieve mechanism ( | 08-21-2008 |
20090184585 | Method for Generating Intensive High-Voltage Pulses for Industrial Use and Associated Circuit - High-voltage pulses are generated and injected in a parallel-capacitative manner into the first stage of a multistage Marx generator at suitable intervals. The high-voltage pulses result in a longitudinal overvoltage triggering of the first spark gap of the Marx generator. As a result, industrial applications are able to generate, in a fault-free manner, high-voltage pulses having a predetermined repetition rate over a prolonged period of time. | 07-23-2009 |
20100118453 | Apparatus for Protection of Converter Modules | 05-13-2010 |
20100170876 | CIRCUIT BREAKER WITH SWITCHING GAS COOLING - A circuit breaker has at least one housing having at least one opening, and at least one pair of contacts located in the housing, the contacts of the pair of contacts being mobile in relation to each other for opening and closing an electric circuit. An open-pore metal foam ( | 07-08-2010 |
20100196234 | METHOD FOR SEPARATING CARBON DIOXIDE FROM FLUE GASES AND ASSOCIATED DEVICE - A method in which CO | 08-05-2010 |
20110000826 | METHOD AND DEVICE FOR EXTRACTING NON-MAGNETIC ORES - In a device and a method for extracting non-magnetic ores from a pulp comprising non-magnetic ore particles and having a solid fraction of at least 30 mass percent, the pulp flows continuously through a reactor in the direction of flow and magnetic or magnetizable magnet particles that form ore magnetic particle agglomerations with the non-magnetic ore particles are added to said pulp. The ore magnetic particle agglomerations are moved by a magnetic field into an accumulation range of the reactor, and are then discharged out of reactor range and separated into ore and magnetic particles. In a device and a method, the separated magnetic particles are treated, in particular hydrophobized, such that during a new interaction with non-magnetic ore particles, new ore magnetic particle agglomerations are formed. Accordingly, a high yield of ores can be obtained and the mine can be operated in an economical and environmentally friendly manner. | 01-06-2011 |
20110162956 | METHOD FOR SEPARATING RICH ORE PARTICLES FROM AGGLOMERATES WHICH CONTAIN NON-MAGNETIC ORE PARTICLES AND MAGNETIZABLE PARTICLES ATTACHED THERETO, ESPECIALLY FE-CONTAINING OXIDE COMPONENTS SUCH AS FE3O4 - In a method for separating rich ore particles from agglomerates which contain said rich ore particles and magnetizable particles attached thereto, especially Fe3O4, in which agglomerates of the rich ore particle and the magnetizable particle are bonded by organic molecular chains, the agglomerates are contained in a suspension containing a carrier fluid and are broken up by an input of mechanical energy so that an agent contained in the suspension and decomposing the exposed, hydrophobic molecular chains can act upon the molecular chains. The Fe-containing oxide components are separated from the suspension in a magnetic separation process. | 07-07-2011 |
20110167959 | Method and device for introducing dust into a metal melt of a pyrometallurgical installation - A method for introducing dust into a molten bath of a pyrometallurgical installation is described. According to the method, a carrier gas containing dust particles is guided through a heating zone of an electrode less plasma torch, the gas being converted to a plasma by inductive heating prior to being blown into a region of the installation which receives the molten bath. | 07-14-2011 |
20110168618 | DEVICE FOR SEPARATING FERROMAGNETIC PARTICLES FROM A SUSPENSION - A device for separating ferromagnetic particles from a suspension has a tubular reactor and a plurality of magnets which are arranged outside the reactor, the magnets ( | 07-14-2011 |
20110174710 | SEPARATING DEVICE FOR SEPARATING MAGNETIZABLE PARTICLES AND NON-MAGNETIZABLE PARTICLES TRANSPORTED IN A SUSPENSION FLOWING THROUGH A SEPARATING CHANNEL - A separating device ( | 07-21-2011 |
20110291333 | Method and device for introducing dust into a metal melt of a pyrometallurgical installation - A device for introducing dust into a molten bath of a pyrometallurgical installation is provided. An electrodeless plasma torch includes an essentially tubular housing, wherein the housing allows a passage of a carrier gas containing dust particles, and wherein the housing is coaxially surrounded by an inductive load coil which forms a heating zone. | 12-01-2011 |
20110303773 | MAGNETIC SEPARATION OF NONFERROUS METAL ORES BY MEANS OF MULTI-STAGE CONDITIONING - The present invention relates to a process for separating at least one first material from a mixture comprising this at least one first material and at least one second material, which comprises at least the following steps:
| 12-15-2011 |
20110309003 | MAGNETIC HYDROPHOBIC AGGLOMERATES - The present invention relates to an agglomerate of at least one particle P which is hydrophobicized on the surface with at least one first surface-active substance and at least one magnetic particle MP which is hydrophobicized on the surface with at least one second surface-active substance, a process for producing it and also the use of these agglomerates. | 12-22-2011 |
20120125858 | METHOD FOR SEPARATING MAGNETISABLE PARTICLES FROM A SUSPENSION AND ASSOCIATED DEVICE - In a method for separating magnetizable particles from a suspension, the suspension is passed through a cylinder-symmetrical separator wherein the substance streams are separated by at least one tubular separation screen. The separator separates the substance stream into a concentrate as well as a so-called tailing and the control of the separation rate of the concentrate and tailing is carried out solely by controlling the flow rate. To this end, at least one separation screen ( | 05-24-2012 |
20120189512 | METHOD FOR CONTINUOUS MAGNETIC ORE SEPARATION AND/OR DRESSING AND RELATED SYSTEM - A method for magnetic ore separation and/or dressing is provided, in which metalliferous recoverable materials are separated from conveyed metalliferous ore rock. The method may include producing a pulp including metalliferous recoverable material, executing a hydrophobizing reaction of recoverable material in the pulp, synthesizing a hydrophobized, magnetizable material in liquid suspension and adding this suspension to the pulp, causing an agglomeration reaction between hydrophobized magnetizable material and hydrophobized recoverable material to form magnetizable agglomerates in the pulp, separating the magnetizable agglomerates from the pulp, mixing separation products containing the agglomerates with a non-polar liquid insoluble in water and decomposing the agglomerates in the non-polar liquid into magnetizable material and recoverable material, separating the magnetizable material from the recoverable material, and removing moisture from the separation portion containing the recoverable material of the second separation stage to synthesize the recoverable material. | 07-26-2012 |
20120325728 | SEPARATING DEVICE FOR SEPARATING A MIXTURE - A separating device for separating a mixture of magnetizable and non-magnetizable particles contained in a suspension that is conducted in a separating channel is provided, the separating device including a laminated, ferromagnetic yoke arranged to one side of the separating channel, e.g., a yoke made of iron, having at least one magnetic field generating means for generating a magnetic deflecting field and a separating element arranged at the outlet of the separating channel for separating the magnetic particles, wherein the magnetic field generating means is a coil assembly including coils equidistantly arranged in grooves of the yoke along the separating channel and which can be actuated via a control device such that a temporally variable deflecting magnetic field, substantially deflecting toward the yoke, e.g., a traveling wave, is generated, having substantially field-free regions passing over the entire length of the separating channel. | 12-27-2012 |
20130037472 | DEVICE FOR SEPARATING FERROMAGNETIC PARTICLES FROM A SUSPENSION - A device for separating ferromagnetic particles from a suspension may include a tubular reactor through which the suspension can flow and which has an inlet and an outlet, and a means for generating a magnetic field, which means is designed to generate a magnetic travelling field which acts on the reactor. | 02-14-2013 |
20130076478 | FUSE ELEMENT - A fuse element and a method for manufacturing the same, are provided whereby the fuse element consists of an active response part which is advantageously formed by at least two parallel metal sub-strips of an elongated fuse metal foil including leading and trailing parts for electrical connection of each fuse element. The elongated fuse metal foil can be reinforced by an elongated dielectric base layer made of polymer material. Accordingly, performance of such a fuse element can be increased and manufacturing costs can be decreased. The fuse element especially can be applied to a plurality of capacitor sub-units being integrated in housings and submerged in a cooling and insulating liquid within the housing. | 03-28-2013 |
20130085687 | METHOD AND DEVICE FOR DETERMINING THE FLOW RATE OF MAGNETIC OR FERROMAGNETIC PARTICLES AND USE OF SAID METHOD AND DEVICE - A method and a device for determining the flow rate of magnetic or ferromagnetic particles in a suspension that flows through control chambers are provided. The magnetic flux F1 is measured as a function of time t using a measuring coil that surrounds a first control chamber, the magnetic flux representing a measurement, at a particular time, of the quantity of magnetic particles contained in the suspension. In a second control chamber, at a predetermined distance d from the first control chamber, the magnetic flux F2 is measured as a function of time t using a second measuring coil that surrounds the second control chamber and the measurements F1 (t) and F2 (t) are compared to produce a temporal distance Δt which is used together with the predetermined distance d to calculate the flow rate. The method and device can be used, for example, in an ore mining installation. | 04-04-2013 |
20130087505 | Travelling Field Reactor and Method for Separating Magnetizable Particles From a Liquid - A travelling field reactor and a method for separating magnetizable particles from a liquid using said travelling field reactor are disclosed. The travelling field reactor may include a tubular reactor, the outer circumference of which is provided with at least one magnet for producing a travelling field and through the interior of which the liquid flows. A displacement element may be located in the interior of the tubular reactor, said element admitting a liquid into the interior of the tubular reactor, which mixes with the liquid flowing in the reactor. | 04-11-2013 |
20130134101 | Sparging Device for a Flotation Cell - A sparging device for a flotation cell may include a central gas tube with a central gas orifice which is adjoined by at least two connecting tubes each having a connecting gas orifice, the connecting tubes being aligned at a right angle ss to a longitudinal axis LZ of the central gas tube, the central gas orifice being connected to the connecting gas orifices, and each connecting tube being connected to at least one gas injection unit at its end remote from the central gas tube. A flotation cell with such a sparging device and a flotation method are also disclosed. | 05-30-2013 |
20130256233 | Device for Separating Ferromagnetic Particles From a Suspension - A device for separating ferromagnetic particles from a suspension may include a tubular reactor through which the suspension can flow and which has an inlet and an outlet, and a means for generating a magnetic field along an inner reactor wall, and a displacement body arranged in the interior of the reactor. Means for generating a magnetic field are provided on the displacement body, on an outer wall of the displacement body. | 10-03-2013 |
20130292339 | METHOD AND APPARATUS FOR SEPARATION OF OIL AND WATER USING HYDROPHOBIC AND HYDROPHILIC FUNCTIONAL SOLID PARTICLES - An oil/water emulsion is mixed with functional solid particles to agglomerate oil droplets and/or water droplets having functional solid particles and the functional solid particles are hydrophobicized for the agglomeration of oil droplets or are hydrophilicized for the agglomeration of water droplets. This enables oil and water to be separated from an oil/water emulsion under gravitational forces. | 11-07-2013 |
20130313177 | DEVICE FOR SEPARATING FERROMAGNETIC PARTICLES FROM A SUSPENSION - A device separates ferromagnetic particles from a suspension. The device has a tubular reactor through which the suspension can flow and which has a first region and a second region in the passage direction. The device also has a device for generating a magnetic field along an inside reactor wall. In the second region the tubular reactor has a tailings discharge pipe and a concentrate separation channel surrounding said pipe. The cross-sectional area of the tubular reactor in the second region is larger than that in the first region. | 11-28-2013 |
20130341251 | FLOTATION DEVICE, METHOD FOR OPERATING THE FLOTATION DEVICE AND USE THEREOF - A flotation device for separating off a valuable mineral from a suspension, has a housing having a flotation chamber, a foam collector for removing a foam product formed in an upper region of the flotation chamber, a feed arrangement for feeding gas and/or suspension into the flotation chamber, an adjustable orifice via which the flotation chamber is horizontally divided into an upper part and a lower part and an open internal diameter of the flotation chamber is locally avoidable. The orifice is arranged completely in a suspension region of the flotation chamber. A measuring arrangement determines a variable in the operation of the flotation device. A control appliance connected to the arrangement automatically adjusts the orifice in dependence on the at least one state variable. | 12-26-2013 |
20140001102 | FLOTATION DEVICE COMPRISING A FLUID DISTRIBUTION ELEMENT FOR GENERATING A FLOW THAT IS DIRECTED AT THE FOAM COLLECTING UNIT | 01-02-2014 |
20140016236 | SWITCH FOR A TRANSMISSION PATH FOR HIGH-VOLTAGE DIRECT CURRENT - A switch for a high-voltage direct current transmission path includes a vacuum circuit breaker for disconnecting the transmission path and a gas-insulated circuit breaker for disconnecting the transmission path. The gas-insulated circuit breaker is connected in series with the vacuum circuit breaker. A device is provided for building up a counter-current against the current in the transmission path for the purpose of reducing the current across the vacuum circuit breaker. The elements of the switch are actuated by a control device in such a way that the switch is switched off at or close to the zero crossing of the current. | 01-16-2014 |
20140034463 | TAP CHANGER AND VACUUM INTERRUPTER FOR A TAP CHANGER OF THIS KIND - The invention relates to a tap changer for switching over between winding taps of a tap transformer without interruption, wherein two load branches are provided for each phase which is to be switched and each load branch has a vacuum switching contact, which acts as a main contact and, parallel to said vacuum switching contact, at least one series circuit comprising a transition resistor and in each case a further vacuum switching contact. In this case, in each case one vacuum switching contact of each load branch is structurally combined to form a single vacuum interrupter having two separate, fixed contacts ( | 02-06-2014 |
20140085028 | TAP CHANGER AND VACUUM INTERRUPTER FOR SUCH A TAP CHANGER - The invention relates to a tap changer for the interruption-free switchover between winding taps of a tap-changing transformer. Furthermore, the present invention relates to a novel vacuum interrupter which is particularly suitable for such a tap changer. The tap changer according to the invention is based on the general concept of combining in each case one main contact (V1) and one mechanical switching means (U1), connected in series therewith, of a first load branch and an additional resistive contact (V | 03-27-2014 |
20140116953 | METHOD FOR OBTAINING METAL-CONTAINING VALUABLE SUBSTANCES FROM A SUSPENSION-LIKE MASS FLOW THAT CONTAINS METAL-CONTAINING VALUABLE SUBSTANCES - A method obtains metal-containing valuable substances from a suspension that contains metal-containing valuable substances. A corresponding suspension which is pressurized after passing through at least one pump device and which is mixed with a gas is fed to at least one jet device of at least one flotation cell via at least one feed line. The metal-containing valuable substances are separated in the at least one flotation cell. The suspension that contains the metal-containing valuable substances is charged with gas at least partially after passing through the pump device before entering the jet device. | 05-01-2014 |
20140130576 | SYSTEM AND METHOD FOR MONITORING CONDITION OF AT LEAST ONE NOZZLE - A two- or three-phase mixture is sprayed using at least one nozzle which has associated therewith at least one structure-borne sound sensor for detecting a sound power level signal in the region of the nozzle and also at least one gas and/or liquid meter for detecting a volumetric flow of gas and/or liquid directed through the nozzle. | 05-15-2014 |
20140209517 | DISPERSION NOZZLE, FLOTATION MACHINE EQUIPPED THEREWITH, AND METHOD FOR OPERATING SAME - A dispersion nozzle for dispersing a liquid with a gas, has a gas feed nozzle and a tubular mixing arrangement which has an inlet zone for the gas and the liquid and an outlet zone for a gas/liquid mixture. The mixing arrangement adjoins the gas feed nozzle. The gas feed nozzle is tapered in the direction of the mixing arrangement and opens into the inlet zone. The mixing arrangement has at least one liquid intake opening in the inlet zone. In the inlet zone a ratio of a diameter DG of a gas outlet opening of the gas feed nozzle and an internal diameter DM of the mixing arrangement is in the range from 1:3 to 1:5. A gas regulating valve meters a quantity of the gas being supplied with the gas feed nozzle. The dispersion nozzle may be used in a flotation machine. | 07-31-2014 |
20140299579 | DC VOLTAGE CIRCUIT BREAKER - A DC voltage circuit breaker includes at least one interrupter and a commutator device connected in parallel with the interrupter. The commutator device includes a capacitor circuit. The capacitor circuit includes a parallel circuit having at least two capacitor branches and the capacitor branches each have a capacitor in series with a capacitor branch switch. | 10-09-2014 |
20140369159 | MIXING DEVICE FOR MIXING AGGLOMERATING POWDER IN SUSPENSION - A suspension consisting of a carrier fluid and particles suspended in the carrier fluid is mixed by a nozzle generating a suspension jet, a feeding device for introducing powder into the suspension jet, a mixing chamber designed to mix the particles with the powder such that the powder adheres to the particles, and a diffuser stabilizing the suspension such that the particles in the suspension form agglomerates due to the powder. | 12-18-2014 |