Patent application number | Description | Published |
20100137670 | PROCESS AND APPARATUS FOR INJECTING OXYGEN INTO A REACTION GAS FLOWING THROUGH A SYNTHESIS REACTOR - Synthesis reactor comprising an apparatus for injecting oxygen, which can be initially charged in pure form, as air, or mixed with inert gas or water vapor, into a reaction gas which can flow through the synthesis reactor which finds use, for example, in an oxydehydrogenation plant, wherein oxygen and reaction gas have different temperatures, wherein a distribution element is provided upstream of the device for accommodating a catalyst charge in flow direction of the reaction gas, said distributor element comprising a distributor body, two tube plates and a multitude of gas guide tubes for passing the reaction gas through, and the oxygen can be supplied to the chamber between the gas guide tubes, wherein at least one baffle plate is arranged orthogonally to the gas guide tubes and divides the intermediate space into at least two distributor chambers, wherein the distributor chambers are connected to one another or merge into one another fluidically through one or more orifices, at least one gas line leads into the first distributor space in flow direction, through which the oxygen can be supplied, and the lower tube plate is provided in flow direction with a multitude of orifices in the form of nozzles, bores or the like, through which the oxygen can leave the intermediate space, wherein a solids-free gas mixing zone is provided below the lower tube plate. | 06-03-2010 |
20100316540 | FIXING DEVICE FOR CATALYZER PARTICLES - With the help of a fixing device for catalyzer particles, wherein the catalyzer particles are packed in a bed which can be passed through by a gas flow in the direction of gravity, it is intended to achieve a minimum specific pressure loss which will remain low even if dirt should arise from the operating process; a fixing device which has a minimum influence on the period of presence of the gas flowing through; which ensures the reliable hold-down of the catalyzer particles even at high approach velocities; and which is flexible to a certain degree in order to adapt to bed changes. | 12-16-2010 |
20100322721 | METHOD AND APPARATUS FOR RECEIVING FINE-GRAINED TO COARSE-GRAINED SOLIDS FROM A VESSEL AND TRANSFERRING THEM TO A HIGHER-PRESSURE SYSTEM - A device and a method for receiving and handing over fine-grain to coarse-grain solids from a container to a higher pressure system via a cut-off device. The device and method allow improvement of the hand-over of the solids while reliably guaranteeing the solids transport even for difficult bulk materials, high operational flexibility when used for various bulk materials and high flow rates towards the receiving container while avoiding compression of the bulk material. The device is formed from at least one vertical central tubular body (central tube) which is arranged inside the container at a distance in the direction of gravitation upstream of the cut-off device and which is open at the top and at the bottom, and by gas supply devices impinging the container bottom and/or the central tube to produce a solids flow in the central tube. | 12-23-2010 |
20110017786 | METHOD AND DEVICE FOR METERED REMOVAL OF A FINE-GRAINED TO COARSE-GRAINED SOLID MATERIAL OR SOLID MATERIAL MIXTURE FROM A STORAGE CONTAINER - The invention relates to a method and a device for the metered removal of a fine to coarse-grained solid matter or a solid matter mixture from a storage container, comprising a device for forming a fluidized bed in the discharge region or in a metering chamber of the metering container, wherein fluidization that is as optimal as possible is to be created in the lower region of such a receiving or metering container while avoiding any additional systems, mechanical elements, or extensive installations. This is achieved according to the method in that a gas is additionally introduced in the region of the metering chamber bottom for forming a fluidized bed that loosens the solid matter, and a gas is introduced via swirl nozzles for bringing about the rotation of the fluidized bed. | 01-27-2011 |
20110058905 | DEVICE FOR DISCHARGING A SOLID MATERIAL FROM A CONTAINER - With a device for discharge, particularly of a very fine-grained solid material or solid material mixture, from a container having a discharge funnel in the direction of gravity, underneath the main container part, a solution is to be created, with which the disadvantages of double-wall cone designs, particularly also at high system pressures, are avoided, with a simple, versatile design. This is achieved in that a part ( | 03-10-2011 |
20110100274 | CONTINUOUS FUEL SUPPLY FOR A COAL GASIFICATION REACTOR - A facility for the continuous supply of a coal gasification plant with finely ground fuel material is disclosed. The fuel is first stored in a storage tank and then fed to a lock hopper system, where it is supplied with gas for the coal gasification reaction. The lock hopper system consists of at least two lock hoppers to achieve that the gas is injected quasi-continuously, and the fuel is then passed to a feed tank in which a constant filling level prevails over a given period of time, so that the fuel is conveyed in a constant, smooth and pressurised flow from this feed tank to the burners. The transfer from at least two lock hoppers to a least one feed tank is carried out by pneumatic dense-flow conveying at solid material densities of at least 100 kg/m | 05-05-2011 |
20110183276 | DEVICE AND METHOD FOR THE DEGASSING OF DUSTS - An apparatus for the degassing of a dust from a synthesis gas produced by a gasification process, is disclosed. The apparatus comprises a main dust separator, a multi-purpose vessel, fluid for degassing and cooling and a storage facility for dust. The synthesis gas produced is conducted via a connecting pipe to a main dust separator, from which a de-dusted raw synthesis gas stream and a dust-like solid which also contains raw synthesis gas in the voids between the dust particles can be removed. The dust-like solid is directed into a multi-purpose vessel equipped with devices for reducing the pressure level so that a tail gas is obtained and a solid containing lower gas quantities in the void fraction remains. There is a device for transporting a solid into a gas exchange apparatus, the latter comprising a gas exchange tank, a dust separator and a feed device for exchange gas. It is possible to reduce the gas exchange tank to atmospheric pressure. The gas exchange apparatus has an outlet for a solid that has been at least partially liberated from raw synthesis gas, said apparatus having an upwards-oriented conveyor in which an upwards-directed gas and solids stream can be established. The conveyor has an open cross-section, a bottom clear opening and a top clear opening. A feed device for exchange gas which is directed into the bottom clear opening is positioned underneath the bottom end of the conveyor. The dust separator has a discharge device for a tail gas stream and a downwards-directed connection into the gas exchange tank for a solid liberated from raw synthesis gas. | 07-28-2011 |
20110192329 | METHOD AND INSTALLATION FOR THE UNINTERUPTED SUPPLY OF A GASIFICATION PLANT WITH FUEL - With a method and a system for interruption-free fuel supply to a gasification system for the production of crude synthesis gas, whereby the fuel is passed from a fuel reservoir to a grinding/drying system, subsequently the resulting fuel dust is passed to a fuel storage container, from there to a dust feed container, and finally, to the gasifier, by way of transport means, the system availability is supposed to be increased, and, at the same time, the storage capacities are supposed to be minimized, in order to thereby particularly achieve a cost reduction. This is achieved in that the fuel in the form of dust is passed to the storage container from at least two grinding/drying systems, by way of transport means, whereby at least one of the transport means, as a dust transport device, is acted on by at least two grinding/drying systems. | 08-11-2011 |
20110233471 | METHOD AND SYSTEM FOR SUPPLYING A REACTOR FOR GENERATING CRUDE SYNTHESIS GAS - Using a method for supplying a reactor ( | 09-29-2011 |
20110277635 | METHOD FOR DISCHARGING THE DUST THAT OCCURS DURING OPERATION OF A DEDUSTING SYSTEM FOR RAW GAS - A method for discharging the dust that occurs from pressurized gasification, using a dust precipitator having at least one discharge container assigned to it, is supposed to be configured in such a manner that nitrogen introduction into the raw gas is minimized or completely avoided, in order to free subsequent chemical syntheses from introduction of nitrogen, if at all possible, right from the start. This is achieved in that filter elements are positioned in the dust precipitator, which elements are back-flushed by means of a gas that contains carbon dioxide or pure CO | 11-17-2011 |
20110296995 | DEVICE FOR REMOVING FINE-GRAINED OR DUST-LIKE SOLIDS FROM A CONTAINER - With a device for removal of fine-grained or dust-like solids from a container that is to be pressurized or is pressurized, whereby the container is equipped with a double-walled discharge cone or funnel, a solution is supposed to be created with which the use of porous materials, such as sintered metals or the like, in particular, is avoided, while making available good conveyance properties in the transfer funnel, without restricting the grain sizes of the material, in each instance, whereby even particle-charged gas can be used for conveyance. This is achieved in that the gas exit openings are larger than the largest particles of the solid to be removed, and that the gas exit openings ( | 12-08-2011 |
20120111416 | METHOD FOR SUPPLYING AN ENTRAINED -FLOW GASIFICATION REACTOR WITH FUEL FROM A STORAGE CONTAINER - The goal of the invention consists in making available a method for supplying fuel to a pressurized gasification system, which ensures, in economically efficient manner, that the emission of pollutants from the coal transfer and the transport is minimized or completely avoided. This is achieved in that a gas that contains at least 10 ppm vol. CO is used for transfer and/or conveying, whereby a gas that contains oxygen is mixed into this gas, and that this gas mixture is heated to a temperature that oxidizes at least 10% of the pollutants contained in the gas. | 05-10-2012 |
20120137583 | METHOD FOR SUPPLYING AN ENTRAINED-FLOW GASIFICATION REACTOR WITH CARBONACEOUS FUELS - With a method for supplying an entrained-flow gasification reactor with carbonaceous fuel for the production of a gas that contains CO and H | 06-07-2012 |
20120196239 | METHOD AND DEVICE FOR COOLING A FINE GRAINED SOLID BULK WHILE EXCHANGING THE OPEN SPACE GAS CONTAINED THEREIN SIMULTANEOUSLY - A device for cooling the solid matter from a coal gasification. The device includes a container with a feed part, a cooling part and a venting part. Lines arranged transverse to the flow direction are located inside of the cooling part that are grouped in two kinds, the one carrying liquid and the other carrying gas. The liquid carrying lines are closed in the interior of the cooling part and are provided for the heat exchange. The gas carrying lines that are gas permeable into the interior of the cooling part in such a way that solid matter comprising primarily cooled slag, ash and flue dust is cooled and the remaining gas present in and between the solid matter particles is exchanged. A method for cooling down the solid matter and for removing the remaining gas from the particles is also disclosed. | 08-02-2012 |
20120266485 | DEVICE AND METHOD FOR CREATING A FINE-GRAINED FUEL FROM SOLID OR PASTE-LIKE RAW ENERGY MATERIALS BY MEANS OF TORREFACTION AND CRUSHING - An apparatus and method for creating a fine-grained fuel from solid or paste-like raw energy materials by torrefaction. The apparatus including an impact reactor having a rotor and impact elements which is temperature resistant up to 350 degrees Celsius, a feed device for hot circulation gas in the lower region of the impact reactor, a feed device for solid or paste-like raw energy materials in the head region of the impact reactor. The apparatus further including at least one withdrawal device for a gas flow having comminuted and torrefacted raw energy particles and a separation and withdrawal device for crushed and torrefacted raw energy particles from the gas flow taken out of the impact reactor. | 10-25-2012 |
20120269586 | DEVICE FOR FEEDING A FLUID INTO A SOLID-CONVEYING LINE - With a device for feeding a fluid, such as a gas or a liquid, into a solid-conveying line, wherein the fluid is first passed into a ring space that surrounds the solid-conveying line, and from there into the solid-conveying line, conveying of coal in the form of dust or flue ash, for example, is to be undertaken in gasification systems, at elevated temperatures, at great output and great operational reliability. This is achieved in that the solid-conveying line is shorter, in the ring space for forming a ring gap, than the length of the ring space, wherein installations for producing a vortex flow of the fluid that is introduced are provided in the ring space. | 10-25-2012 |
20120272875 | Burner for Particulate Fuel - Disclosed is a burner for particulate fuel, in particular made of biomass, with a primary tube and a core tube arranged in the primary tube. The primary tube and the core tube form a primary tube gap and the primary tube gap is configured to guide a flow of particulate fuel and gaseous combustion means from an inlet-side end to an outlet-side opening of the primary tube. In order to prevent the drawbacks occurring when using coarse-grain particles, preferably biomass, as a fuel for dust firing, or at least to reduce them without having to accept an increased outlay for equipment and/or additional energy losses, at least one device is provided for centring the flow within the primary tube in the region of the outlet-side end of the primary tube. | 11-01-2012 |
20130036622 | DEVICE AND METHOD FOR THERMALLY PRE-TREATING SOLID RAW MATERIALS IN A CONCENTRICALLY STEPPED FLUIDIZED BED - A fluidized bed reactor for thermally pre-treating solid raw materials containing water using a stepped, stationary fluidized bed, including at least two concentrically arranged treatment zones. Each treatment zone has at least one separate gas inlet for fluidizing gas. Each treatment zone is divided from the respective other adjacent treatment zone by an overflow weir, and the innermost treatment zone has an outlet on the floor for reaction products. The solid raw material is fed into the outermost treatment zone of the fluidized bed. A first temperature and a first residence time are set in a first step, and a second temperature and a second residence time are set in a second. The temperatures of the fluidizing gas of the first and second steps are controlled separately. The fluidized material flows from the outer treatment zone over a weir into the inner treatment zone, and is drawn through the outlet. | 02-14-2013 |
20130036954 | APPARATUS FOR SUPPLYING MULTIPLE BURNERS WITH FINE-GRAINED FUEL - With an apparatus for supplying multiple burners with fine-grained fuel from a storage container, with thermal conversion of solid fuels in a gasification reactor, wherein the storage container is equipped with a discharge cone, a solution is supposed to be created with which the required excess gas amounts can be reduced and it is possible to do without separate discharge cones per burner line, without giving up the uncoupling of the burner lines. | 02-14-2013 |
20130199424 | DEVICE AND METHOD FOR PRODUCING A FINE-GRAINED FUEL BY DRYING AND IMPACT CRUSHING - A device and method for producing a fine-grained fuel, in particular from solid, paste-like or aqueous energy feed stocks, by drying and crushing, including an impact reactor having a rotor and impact elements, a labyrinth seal in the region of the rotor shaft of the impact reactor, a device for feeding hot drying gas through the labyrinth seal into the impact reactor and at least one further feed device for hot drying gas in the bottom region of the impact reactor, a feed device for solid or paste-like energy feed stocks in the top region of the impact reactor, at least one extractor device for a gas flow containing crushed and dried energy feedstock particles, and a device for separating and extracting crushed and dried energy feed stock particles from the gas flow extracted from the impact reactor. | 08-08-2013 |
20130202369 | DISCHARGE CONE - A device for discharging a fine-grained solid from a container wherein the container has a discharge cone in the lower area, which opens into a discharge opening and discharge device, a mechanism for fluidizing or loosening the solid are provided the discharge cone has at least one offset in the form of a gap the offset having openings a gas can be fed through each of the openings of the gap-shaped offsets, each of the gap-shaped offsets is covered toward the center axis of the discharge cone, the gap-shaped offsets are not directed toward the center axis of the discharge cone, and wherein the gaps of the gap-shaped offsets are closed by cover pates which have round or slit-shaped openings, and the gaps extend in the downward direction. | 08-08-2013 |
20130305971 | Burner for Powdered and/or Particulate Fuels with Adjustable Swirl - A burner for powdered and/or particulate fuels having a flow channel for transporting at least one gas stream into a combustion chamber, wherein the flow channel has an annular cross section and a swirl device imparting a swirl to the gas stream in a circumferential direction. The swirl device has at least a first and a second group of deflection means to generate the swirl, that at least the second group of deflection means is attached in a fixed manner to supporting structure that is axially displaceable along the flow channel and/or can be rotated about the longitudinal axis of the flow channel in order to alter the swirl. | 11-21-2013 |
20140134086 | Method and Multi-Component Nozzle for Reducing Unwanted Substances in a Flue Gas - A method is illustrated and described for reducing unwanted substances by injecting a reactant into a flue gas of a steam generator. In order that the reactant can also be used in larger steam generators and/or combustion chambers, a method is proposed, in which the reactant is injected into the combustion chamber of the steam generator via a reactant opening of a multi-component nozzle, in which an enveloping medium is injected into the combustion chamber through at least one enveloping medium opening arranged outside the reactant opening, and in which the enveloping medium at least partly envelops the reactant in the combustion chamber and in this way at least partly shields the reactant from the flue gas. | 05-15-2014 |