EP3059296B1 - Gazéificateur de biomasse - Google Patents

Gazéificateur de biomasse Download PDF

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Publication number
EP3059296B1
EP3059296B1 EP16156175.8A EP16156175A EP3059296B1 EP 3059296 B1 EP3059296 B1 EP 3059296B1 EP 16156175 A EP16156175 A EP 16156175A EP 3059296 B1 EP3059296 B1 EP 3059296B1
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EP
European Patent Office
Prior art keywords
reactor
distribution element
gas
biomass gasifier
supply line
Prior art date
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Not-in-force
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EP16156175.8A
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German (de)
English (en)
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EP3059296A3 (fr
EP3059296A2 (fr
Inventor
Mike Antoniewski
Patrick Keller
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Individual
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Individual
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Publication of EP3059296A3 publication Critical patent/EP3059296A3/fr
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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/02—Fixed-bed gasification of lump fuel
    • C10J3/20—Apparatus; Plants
    • C10J3/22—Arrangements or dispositions of valves or flues
    • C10J3/24—Arrangements or dispositions of valves or flues to permit flow of gases or vapours other than upwardly through the fuel bed
    • C10J3/26—Arrangements or dispositions of valves or flues to permit flow of gases or vapours other than upwardly through the fuel bed downwardly
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/02—Fixed-bed gasification of lump fuel
    • C10J3/20—Apparatus; Plants
    • C10J3/30—Fuel charging devices
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/02—Fixed-bed gasification of lump fuel
    • C10J3/20—Apparatus; Plants
    • C10J3/34—Grates; Mechanical ash-removing devices
    • C10J3/40—Movable grates
    • C10J3/42—Rotary grates
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/72—Other features
    • C10J3/723—Controlling or regulating the gasification process
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2200/00—Details of gasification apparatus
    • C10J2200/15—Details of feeding means
    • C10J2200/152—Nozzles or lances for introducing gas, liquids or suspensions
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0913—Carbonaceous raw material
    • C10J2300/0916—Biomass
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/72—Other features
    • C10J3/82—Gas withdrawal means
    • C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas

Definitions

  • the invention relates to a biomass gasifier and a gas generating device.
  • gas generating devices such as wood or coal gasification plants are known, with which gas is produced for example for lighting purposes or for the operation of engines.
  • wood gasification is by pyrolysis under Oxygen termination or partial combustion or smoldering under lack of air, so in substoichiometric combustion, obtained from wood a combustible gas mixture.
  • wood gasification plants which are also called wood gasifier, coal gasifier, wood gas generators or the like, typically serving as a reactor steel container, similar to a furnace, fed with fuel.
  • By smoldering the fuel in the reactor arise as essential components carbon monoxide (CO), hydrogen (H 2 ), carbon dioxide (CO 2 ), some methane (CH 4 ) and other hydrocarbons in small quantities.
  • a most well-known method for the wood gas production is the Gleichstrombacter, which was developed by Georg Imbert approximately in the year 1923.
  • the air is supplied directly into the hot gasification zone.
  • the combustible gas mixture formed from the various types of wood containing fuel and the air moving in the same direction is sucked through a grate in the lower reactor area and then cooled and filtered to be used in, for example, a gas engine.
  • DE 23 51 963 and DE 23 46 833 describe an apparatus for gasifying coal in a reactor having a rotatably mounted grate. It is an object of the invention to provide a gasifier comprising a reactor with a distribution element which allows a better air distribution in a reactor. This is inventively achieved by a biomass gasifier according to the main claim. Advantageous embodiments can be taken, for example, the respective subclaims.
  • the invention uses a distribution element for a Biomass gasifier, comprising a connection for a feed line, which a gasification medium to the Distributor provides, and a number of outlet openings, which are fluidly connected to the terminal and arranged along at least one planar peripheral line of the distribution element, wherein the outlet openings are adapted to distribute the gasification medium along each circumferential line laterally around the distribution element.
  • the outlet openings are arranged along a plurality of mutually spaced circumferential lines. According to one embodiment it is provided that the circumferential lines are spaced at equal distances from each other.
  • each circumferential line is assigned exactly one outlet opening which completely or partially circulates along the circumferential line.
  • each circumferential line is associated with a plurality of outlet openings, which are equally or non-uniformly spaced apart along the respective circumferential line.
  • the circumferential lines extend in respective planes which are aligned substantially parallel to one another.
  • the circumferential lines extend in respective planes which are at an angle, are aligned in particular transversely to an inflow direction, via which the gasification medium flows into the port.
  • the outlet openings are formed as nozzles.
  • the roof is conical.
  • the roof covers the outlet openings of the uppermost circumferential line.
  • a respective wall part is arranged between each two adjacent circumferential lines.
  • each wall part tapers with decreasing distance to the upper end of the distribution element.
  • the wall parts are each frusto-conical.
  • each wall part covers the outlet openings of the respectively arranged below the circumferential line.
  • each wall part covers the uppermost part of the respective wall part arranged underneath.
  • the distribution element widens from the upper end along a central axis, at least within respective sections.
  • each section is wider at its lower end than the respective section arranged above it at its lower end.
  • the sections adjoin one another or adjacent to the circumferential lines.
  • the distribution element is wider at the lower boundary of each section than at the upper border of the respective section arranged below it.
  • each section is assigned in each case a wall element or the roof.
  • connection has a screw thread.
  • connection is designed to receive a supply line formed as a tube along an axis, to which respective planes, in which the circumferential lines lie, are arranged at an angle, in particular transversely.
  • connection is designed to be a supply line designed as a pipe in such a way to receive a longitudinal axis of the tube points to the upper end of the distribution element.
  • the distribution element is rotationally symmetrical about an axis.
  • the distribution element is designed as a rotating part.
  • the distribution element is made of stainless steel and / or of cast ceramic.
  • the described embodiments of the distribution element have proved to be advantageous, for example with regard to achieving a particularly uniform air distribution, easy handling or low production costs.
  • the invention relates to a biomass gasifier, comprising a reactor with a reactor chamber, a supply line leading into the reactor chamber, and a distribution element according to the invention, which is arranged in the reactor chamber, wherein the connection of the distribution element is connected to the supply line.
  • the supply line is designed as a tube.
  • the reactor is designed as a descending fixed-bed DC reactor.
  • the reactor chamber is bounded on the bottom by a first grate.
  • the first grid is connected to the pipe so that it can be turned with the pipe.
  • the biomass gasifier has an electric motor for rotating the tube.
  • a second grid is arranged under the first grid.
  • the second grate is attached to a reactor wall of the reactor chamber or reactor.
  • the first and the second grid have openings, in particular slots, in particular wherein the first grid has larger slots than the second grid.
  • the first grate rests directly on the second grate.
  • a carbon container to be arranged under the first grate and / or the second grate.
  • the first and second gratings are relative to one another, in particular in opposite directions to one another are rotatably arranged or a grid fixed and a grid is rotatably formed.
  • coal from the lower part of a reactor bed can be ground so that it falls down as dust, for example, into a coal container.
  • the reactor is designed such that coal dust contained in the carbon container is at least partially extracted with extracted raw gas.
  • the biomass gasifier has a supply system for the gasification medium, which is connected to the supply line.
  • the supply system is designed to supply air or a gas or gas mixture to be taken from a container to the feed line as a gasification medium.
  • the supply system has a side channel blower for compressing the gasification medium.
  • the supply system has a heating device for heating the gasification medium.
  • the reactor has a number of side nozzles disposed in a reactor wall surrounding the reactor chamber, the side nozzles being fluidly connected to the feed line for laterally blowing the gasification medium into the reactor chamber.
  • the side nozzles are arranged on one or more contour lines of the reactor wall.
  • the side nozzles on a respective contour line on the circumference of the reactor wall in particular uniformly spaced from each other.
  • the side nozzles are arranged on exactly one contour line or on two or more contour lines.
  • the contour lines are respectively arranged centrally between two circumferential lines of the distribution element.
  • the side nozzles are located on the circumference of the reactor between respective outlet openings of the distribution element.
  • At least six side nozzles are present.
  • the biomass gasifier has a number of valves for adjusting the distribution of the gasification medium between the side nozzles and the distribution element.
  • valves are set in such a way that the distribution of the gasification medium in the reactor chamber is as homogeneous as possible.
  • the distribution element is widening or tapering at least in sections from top to bottom, wherein the widening compensates for a loss of fuel due to carbonization.
  • a distance between the distribution element and a bottom of the reactor chamber is formed such that a reduction zone is so large and / or a residence time of a raw gas is long enough to crack long-chain hydrocarbon molecules in the reduction zone substantially completely.
  • the biomass gasifier has a control device.
  • control device is designed to control a rotation of the gratings such that fine coal dust is available for a subsequent filtration stage and / or that sufficient ash is discharged from a coal bed into the carbon container, thus good gas permeability of the coal bed is ensured.
  • an operating vacuum in the reactor chamber of less than 20 mbar, preferably less than 10 mbar or less than 5 mbar is provided.
  • a gas blower and / or a Zu Kunststoffgebläse and / or the side channel blower to maintain the constant negative pressure in the reactor chamber are provided.
  • control device is designed to start up the reactor to operating temperature as quickly as possible after ignition.
  • the reactor chamber has a number of closable ignition openings.
  • the ignition openings are arranged opposite in the reactor chamber.
  • the ignition openings are arranged below the side nozzles.
  • the reactor has a fuel supply device.
  • the fuel supply device has a preheating device for preheating the fuel to be supplied.
  • the reactor is designed to gasify wood chips, wood pellets, dry and / or particulate biomass or other biomass as fuel.
  • a gas cooler arranged downstream of the biomass gasifier is designed to cool raw gas leaving the reactor up to more than 500 ° C. to approximately 130 ° C.
  • the gas cooler has a cleaning function, preferably by means of spirals and / or steel brushes.
  • the gas cooler has at least one heat exchanger for coupling heat out of the raw gas.
  • the decoupled in the gas cooler from the raw gas heat is provided for heating, for hot water production, and / or for preheating the fuel material or is used.
  • the gas generating device has a hot gas filter, which is fluidly connected downstream of the gas cooler.
  • the hot gas filter has a number of high-temperature-resistant bag filter.
  • the hot gas filter has a cleaning device.
  • the hot gas filter is formed a powdery layer of carbon dust generated in the reactor.
  • the gas generating device has a further gas cooler, which is fluidly connected downstream of the hot gas filter.
  • the further gas cooler is designed to cool gas flowing through from about 130 ° C. to about 50 ° C.
  • the components of the gas generating device are completely or partially isolated.
  • the gas generating device has a condensate container for collecting condensate.
  • the gas generating device has a number of further biomass gasifiers according to the invention connected in parallel to one another and to the reactor.
  • the gas generating device has a fan for extracting raw gas from the reactor.
  • the biomass gasifier described above can in principle be based on a known descending fixed-bed direct-current gasifier, in which the fuel to be gasified is introduced from above into the gasifier and the fuel undergoes the process steps of drying, pyrolysis, oxidation and reduction in the gasifier.
  • the gasification medium, air, or preheated air may be conveyed via a side channel compressor via, for example, six outer air nozzles and a distribution element located in the reactor in the form of a conical air tree are injected.
  • the distribution element can also have, for example, a cylindrical shape, a spherical shape, a shape with two mutually mirror-symmetrical truncated cones, for example the shape of a diabolo, or the shape of a cone standing on the top or on the base plate.
  • the air tree may be formed as a rotating part of solid stainless steel, which has a bore in the center. In the heels of the air tree, it can have distributed around the entire circumference around holes, which have connection with the center hole.
  • the center bore may have a thread into which a hollow shaft can be screwed.
  • the gasification medium air can be introduced into the air tree and the air tree can be moved periodically by driving the shaft by means of an electric motor.
  • the dimensioning of the air tree is preferably chosen so that the shrinkage is taken into account by the charring, which takes place especially in the oxidation zone, by the shrinkage volume is compensated by the conical air tree.
  • the reactor has a double grate below the air tree.
  • the upper grate is firmly connected to the hollow shaft of the air boom.
  • the upper grate is also located right up on the lower grate.
  • the lower grate is firmly connected to the reactor housing.
  • the upper rotatable grate has coarser slots and the lower fixed grate has finer slots, it ensures that only fine coal ashes, crushed by rust movements, fall into a coal container.
  • this grate construction it can be achieved that a sufficiently long residence time of the coal in the reduction zone, which can be set, for example, by means of break times or standstill periods for rust, takes place. This ensures that the coal is completely degassed and fine fines are available through fine coal dust, which is required in a downstream filtration stage to purify the gas. On the other hand, however, it should be ensured that the rust movements still take place sufficiently often, so that sufficient ash is discharged from the coal bed into the coal container, so that a good gas permeability of the coke bed is ensured.
  • the dimensioning of the distance below the air boom to the upper grid is preferably selected so that the reduction zone is so large, respectively, that the residence time of the raw gas lasts long enough for any long-chain hydrocarbon molecules in the reduction zone to be cracked into short-chain molecules.
  • the desirable Boudouard reaction reduction of C and C0 2 to 2 CO
  • the placement of the outer air nozzles is preferably chosen so that the air between the air nozzles of the air tree of the first and second ring are. This will be an additional desired Turbulence ensured and the air currents do not collide.
  • the air distribution of the outer air nozzles and the air tree can be adjusted by means of setting valves so that the air distribution is uniform and above all homogeneous.
  • the wood gasification reactor is preferably fired by means of two screw-on plugs, offset 180 degrees, below the outer row of air nozzles. For this it is sufficient to hold a Bunsen burner or similar at each of these openings for a few seconds, during which a (starting) gas blower runs at low power. This can also be referred to as torch operation.
  • the reactor gas blower and Zu Kunststoffgebläse are preferably controlled by means of a PLC control that while maintaining a constant same negative pressure of a few millibars, the reactor as fast as possible is raised to operating temperature. This ensures that the critical low temperatures, at which unwanted components such as tar and condensate arise, are passed through quickly. Usually the reactor reaches the setpoint operating temperature within a few minutes with optimum fuel and control parameters and can therefore only produce very few undesirable components which could adversely affect the system.
  • the raw gas leaving the reactor via a gas outlet opening in the carbon container which is typically more than about 500 ° C., is preferably cooled down to about 130 ° C. by means of a downstream gas cooler which preferably has a cleaning function by means of spirals, steel brushes or the like.
  • the decoupled heat of the gas cooler is preferably used for heating purposes, hot water production or to preheat the fuel.
  • the cooled raw gas from the gas cooler is passed into the hot gas filter, which preferably has high-temperature-resistant bag filter with cleaning device.
  • the fine coal dust described above forms in the hot gas filter a fine powdery layer on the bag filter, which enhances the cleaning function of the bag filter and also absorbs any remaining rather short-chain tar molecules.
  • coal dust has a positive effect as a result of its activated carbon function. For this reason, the cleaning interval should be carefully tuned with the negative influence of the higher differential pressure of the filter.
  • the after the hot gas filter now dust-free and virtually tarry wood gas is preferably cooled down via a further gas cooler from about 130 ° C to about 50 ° C, so that the wood gas can be used for motor purposes.
  • the entire gas line is preferably equipped so that it is prevented by means of insulation or the like that water condenses out of the wood gas.
  • the condensate can be collected in a condensate trap.
  • the wood gasification reactor is preferably so well insulated that it has as little heat radiation as possible. This ensures that the required heat of reaction in the reactor remains as possible as possible and a uniform reaction in the gasifier is possible.
  • the reactor and the reservoir above are constructed or insulated so that as much waste heat from the reactor for pre-drying / preheating of Fuel is available.
  • An optimal preheating of the fuel is particularly advantageous.
  • reactors are preferably built in a plant, which can share, for example, a common gas cleaning.
  • the reactors can be the same size.
  • they are each designed optimally. With such a plant combination it is possible to produce high-quality wood gas in larger quantities, whereby each reactor can have an optimal size and disadvantages due to a too large reactor can be avoided.
  • such a combination of plants results in a back-up function. When a reactor malfunctions, not the whole plant fails, but only the reactor, which has a fault.
  • biomass gasifier described or the gas generating device described are very well suited to the fact that both wood chips, wood pellets or other dry and lumpy biomass can be used as a fuel.
  • Fig. 1 shows a biomass gasifier 100.
  • This has a reactor 110 with a reactor chamber 115, which is bounded by a reactor wall 117, a lid 112 and a bottom 118.
  • the reactor 110 shown is based in principle on a known descending fixed bed DC gasifier in which the fuel to be gasified is introduced from above via a fuel bunker 195 of a Brennstoffzumol 180 in the reactor chamber 110 and the fuel undergoes the process steps drying, pyrolysis, oxidation and reduction.
  • a gasification medium in this case preheated air, alternatively also not preheated air, by means of a side channel compressor of a supply system 124, not shown, six outer air nozzles, of which four air nozzles 160, 162, 164, 166 are shown, and a conical distribution element 200 located in the reactor 110th injected in the form of an aerial tree.
  • the arrangement of air nozzles 160, 162, 164, 166 is in this case two-row, but may alternatively be single-row, for example.
  • the distribution element 200 in the present case is a rotary part made of solid stainless steel and has a bore in the center with a connection 210 arranged on the bottom, on which a screw thread 215 is formed. At the port 210, a supply line 120 is connected, via which the gasification medium is supplied to the distribution element 200.
  • respective air outlet openings 220, 230, 240 are arranged, which are each arranged along the circumference defined by the respective circumferential line 225, 235, 245. They are fluidically connected to the port 210.
  • a lowermost wall portion 260 is arranged below the lowest circumferential line 225. Between the circumferential lines 225, 235, 245, respective further wall parts 262, 264 are arranged. Between the uppermost circumferential line 245 and a tip 205 of the distribution element 200, a conical roof 250 is arranged.
  • the distribution element 200 widened from top to bottom apart from respective discontinuities at the circumferential lines 225, 235, 245.
  • a fading of the fuel due to gasification can be taken into account.
  • the distribution element 200 may be periodically moved about a center axis 202 by rotation of the supply line 120 by means of an electric motor 122. This allows coal to be crushed at the bottom of the fuel.
  • the reactor 110 has below the distribution element 200 via an upper first grate 130 and a lower second grate 140.
  • the first grate 130 is fixedly connected to the feed line 120.
  • the first grate 130 is also directly on the second grate 140.
  • the second grid is firmly connected to the reactor wall 117.
  • the upper first grate 130 has coarser slots than the lower second grate 140. This ensures that only fine coals, crushed by the rust movements, fall into a carbon container 150 disposed below the second grate 140 when the first grate 130 is rotated.
  • the carbon container 150 is bounded below by a bottom 111.
  • Raw gas produced in the reactor 110 can be sucked off or removed via an outlet 182.
  • the fine coal from the coal tank 150 is sucked in with the raw gas. It will be referred to below with reference to Fig. 2 described heat exchanger in a hot gas filter, where it has an advantageous filter function.
  • the reactor 110 can be fired by means of two ignition openings 185, 186, which are offset by 180 ° from each other. These are closed by grafting in the state shown. Furthermore, an inspection port 180 is provided for access to the carbon canister 150.
  • the biomass gasifier 100 further comprises an electronic control device 170, which in particular controls the side-channel blower described above and the electric motor 122.
  • Fig. 2 shows a gas generating device 10 with the biomass gasifier 100 from Fig. 1 and other components which will be described below.
  • the raw gas leaving the reactor 110 via the outlet 182 in the carbon container 150 which is typically up to about 500 ° C hot, is by means of a downstream first gas cooler 300, which has a first heat exchanger 310 and a second heat exchanger 320 on about 130 ° C cooled down.
  • the first gas cooler 300 has a cleaning function by means of spirals and steel brushes.
  • the decoupled heat of the first gas cooler 300 can be used for heating purposes, hot water production or for preheating the fuel.
  • the cooled raw gas from the first gas cooler 300 is passed into a hot gas filter 400, which in the present case has a high-temperature-resistant bag filter with cleaning device.
  • the fine carbon dust forms in this hot gas filter 400 a fine powdery layer on the bag filter, which enhances the cleaning function of the bag filter and also absorbs any remaining rather short-chain tar molecules.
  • the coal dust has a positive effect as a result of its activated carbon function. For this reason, a cleaning interval should preferably be carefully matched with the negative influence of the higher differential pressure of the hot gas filter 400. Excess coal dust may be discharged via an ash discharge 410 mounted at the bottom of the hot gas filter 400.
  • the after the hot gas filter 400 now practically dust and tar-free wood gas is cooled down by a second gas cooler 500 from about 130 ° C to below 50 ° C, so that the wood gas for motor purposes, for example in a combined heat and power plant 600, can be used.
  • a valve 510 is arranged, with which the gas flow can be interrupted or released.
  • a chimney valve 710 and a chimney 700 are connected.
  • the fireplace 700 can be used for storage of Material used, which is used in one of the components shown. It can also be used to extract raw gas.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Processing Of Solid Wastes (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)

Claims (6)

  1. Gazéificateur de biomasse comprenant un réacteur (110) pourvu d'une chambre de réacteur (115), un conduit d'alimentation (120) menant dans la chambre de réacteur (115) et un élément de distribution (200) disposé dans la chambre de réacteur (115), l'élément de distribution (200) comprenant un raccord (210) destiné au conduit d'alimentation (120) qui délivre un milieu de gazéification à l'élément de distribution (200), le raccord (210) de l'élément de distribution (200) étant raccordé au conduit d'alimentation (120) et le conduit d'alimentation étant conçu comme un tube et le réacteur (110) comportant un certain nombre de buses latérales (160, 162, 164, 166) disposées dans une paroi de réacteur (117) entourant la chambre de réacteur (115), les buses latérales (160, 162, 164, 166) étant reliées fluidiquement au conduit d'alimentation (120) pour insuffler le milieu de gazéification latéralement dans la chambre de réacteur (115), l'élément de distribution comportant un certain nombre d'ouvertures de sortie (220, 230, 240) reliées fluidiquement à la borne (210), caractérisé en ce que les ouvertures de sortie (220, 230, 240) sont disposées le long d'une pluralité de conduits périphériques (225, 235, 245) espacés les uns des autres, les ouvertures de sortie (220, 230, 240) étant conçues pour distribuer le milieu de gazéification le long de chaque conduit périphérique (225, 235, 245) latéralement autour de l'élément de distribution (200) et la chambre de réacteur (115) étant délimitée du côté inférieur par un premier réseau de diffraction (130), le premier réseau de diffraction (130) étant raccordé solidairement au conduit d'alimentation (120) en forme de tube de manière à pouvoir être mis en rotation avec le tube et un second réseau de diffraction (140) , relié solidairement à la paroi de réacteur (117), étant disposé au-dessous du premier réseau de diffraction (130).
  2. Gazéificateur de biomasse selon la revendication 1, caractérisé en ce que les buses latérales (160, 162, 164, 166) sont disposées sur au moins une ligne de niveau de la paroi de réacteur.
  3. Gazéificateur de biomasse selon l'une des revendications 1 à 2, caractérisé en ce que les buses latérales (160, 162, 164, 166) sont situées sur la périphérie du réacteur entre les ouvertures de sortie respectives (220, 230, 240) de l'élément de distribution (200).
  4. Gazéificateur de biomasse selon la revendication 1 à 3, caractérisé en ce que le gazéificateur de biomasse (100) comporte un certain nombre de valves de réglage de la distribution du milieu de gazéification entre les buses latérales (160, 162, 164, 166) et l'élément de distribution (200).
  5. Gazéificateur de biomasse selon l'une des revendications précédentes, caractérisé en ce que la chambre de réacteur (115) comporte un certain nombre d'ouvertures d'allumage (185, 186) pouvant être fermées.
  6. Gazéificateur de biomasse selon la revendication 5, caractérisé en ce que les ouvertures d'allumage (185, 186) sont disposées au-dessous des buses latérales (160, 162, 164, 166).
EP16156175.8A 2015-02-20 2016-02-17 Gazéificateur de biomasse Not-in-force EP3059296B1 (fr)

Applications Claiming Priority (1)

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DE202015100844.9U DE202015100844U1 (de) 2015-02-20 2015-02-20 Holzvergasungsanlage

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EP3059296A2 EP3059296A2 (fr) 2016-08-24
EP3059296A3 EP3059296A3 (fr) 2016-11-16
EP3059296B1 true EP3059296B1 (fr) 2018-05-16

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Families Citing this family (2)

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Publication number Priority date Publication date Assignee Title
CN113969189A (zh) * 2020-07-22 2022-01-25 常州博爱能生物质能源科技有限公司 生物质气化炉
AT526332B1 (de) * 2022-08-31 2024-02-15 Andreas Fritsche Vergaservorrichtung zur Gewinnung von brennbarem Gas

Family Cites Families (9)

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Publication number Priority date Publication date Assignee Title
DE612247C (de) * 1932-12-06 1935-06-19 Ernst Mahlkuch Gaserzeuger mit absteigender Verbrennung
AT139120B (de) * 1933-04-03 1934-10-25 Kromag A G Fuer Werkzeug Und M Holzgasgenerator mit abwärts gerichtetem Zug.
DE2346833C3 (de) * 1973-09-18 1978-12-07 Metallgesellschaft Ag, 6000 Frankfurt Verfahren zum Kühlen der Drehrostlager eines Gasgenerators
DE2351963B2 (de) * 1973-10-17 1977-02-10 Metallgesellschaft Ag, 6000 Frankfurt Drehrost-reaktor zur druckvergasung von kohle
DE3151477C2 (de) * 1981-12-24 1985-10-10 Kernforschungsanlage Jülich GmbH, 5170 Jülich Schachtvergaser zur kontinuierlichen Erzeugung von Brenngas aus organischem Material
SE8300862D0 (sv) * 1983-02-16 1983-02-16 Olle Tornegard Gasugn i form av s k forugn till befintliga vermepannor for fastbrensle
US5226927A (en) * 1991-02-13 1993-07-13 Southern California Edison Wood gasifier
DE102009042104B4 (de) * 2009-09-21 2011-12-29 Bernhard Werner Holzgaskessel
WO2011101022A1 (fr) * 2010-02-16 2011-08-25 Big Dutchman International Gmbh Équipement de gazéification et procédé de gazéification

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Title
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DE202015100844U1 (de) 2016-05-27
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