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WO2024251681A1 - Module de génération de gaz - Google Patents

Module de génération de gaz Download PDF

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Publication number
WO2024251681A1
WO2024251681A1 PCT/EP2024/065242 EP2024065242W WO2024251681A1 WO 2024251681 A1 WO2024251681 A1 WO 2024251681A1 EP 2024065242 W EP2024065242 W EP 2024065242W WO 2024251681 A1 WO2024251681 A1 WO 2024251681A1
Authority
WO
WIPO (PCT)
Prior art keywords
fuel
reactor
product
gas
generation module
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/EP2024/065242
Other languages
German (de)
English (en)
Inventor
Jochen Sautter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Blue Energy Group Ag
Original Assignee
Blue Energy Group Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Blue Energy Group Ag filed Critical Blue Energy Group Ag
Publication of WO2024251681A1 publication Critical patent/WO2024251681A1/fr
Anticipated expiration legal-status Critical
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C10J2200/00—Details of gasification apparatus
    • C10J2200/09—Mechanical details of gasifiers not otherwise provided for, e.g. sealing means
    • 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
    • C10J3/74—Construction of shells or jackets

Definitions

  • Gas generators for producing fuel gas from a fuel are known.
  • gas generators have a reactor into which fuel can be fed.
  • the gas generators include a gasification medium feed.
  • the gasification medium feed is designed to feed a gasification medium, such as air or water vapor.
  • the aim of these different variants of gasification medium feed is to achieve the most homogeneous gasification area possible in the interior of the reactor in order to convert the fuel fed in from above into fuel gas.
  • the fuel converted into a combustion product is carried by gravity to the lower part of the gas generator.
  • the combustion product is separated from the fuel by means of a grid or grate. The combustion product is then removed mechanically by opening the reactor.
  • the invention is based on the object of providing an improved gas generator which, in particular, has a higher gas output compared to known gas generators and/or which has an improved combustion product discharge unit, by means of which gas generators according to the invention with a comparatively higher gas output can be realized, which in particular have comparatively longer maintenance intervals.
  • the invention is based on a gas generation module for obtaining gas from carbon-containing fuel, wherein the gas generation module has a reactor module, wherein the reactor module encloses a reactor cavity, wherein the gas generation module has at least one fuel feed, wherein the gas generation module has at least one product gas outlet, wherein the gas generation module has at least one fuel product discharge unit, wherein the gas generation module is designed to convert fuel into product gas and fuel product, wherein the fuel product discharge unit has a screw, a spindle or a spiral in order to transport the fuel product away from the reactor cavity, wherein no separation element is present within the reactor module, so that no mechanical separation of fuel and fuel product takes place by a separation element within the reactor module.
  • the fuel contains a proportion of biomass.
  • the biomass is wood, wood chips and/or grass.
  • the fuel contains carbon-containing feedstocks.
  • the fuel or a portion of the fuel consists of industrial waste such as paper, cardboard, wood and/or similar material.
  • the fuel contains a portion of sewage sludge, plastics, straw and/or fermentation residues.
  • the fuel is in the form of pellets.
  • the pellets are in the form of pellets or briquettes.
  • the pellets are cylindrical. It is conceivable that the pellets have external dimensions between 4mm and 60mm, e.g. between 6mm and 50mm. The use of pellets with smaller or larger diameters is also conceivable, but is comparatively inefficient.
  • the gas generation module has at least one supply unit for a gasification medium, the supply unit having at least one supply pipe, the supply pipe being arranged on the reactor module in such a way that the gasification medium can be supplied into the reactor cavity via the supply pipe in the direction of gravity, the supply unit having an outlet element, the outlet element having at least two outlet openings at which the gasification medium can enter the reactor cavity, the at least two outlet openings having different distances from the longitudinal axis of the supply pipe starting from the supply pipe in a direction transverse to the longitudinal axis of the supply pipe.
  • the supply pipe is arranged on the top of the reactor module.
  • an outlet opening is present as a bore and/or an opening on the outlet element. It is conceivable that the outlet opening has a nozzle. It is conceivable that the outlet opening is designed as a nozzle. For example, an outlet opening is present on the outlet element in such a way that the gasification medium can exit from the interior of the outlet element through the outlet opening into the interior of the reactor cavity. It is further conceivable that each outlet opening is provided on the outlet element in such a way that the gasification medium can exit from the interior of the outlet element through the outlet opening into the interior of the reactor cavity.
  • the outlet element is circular in cross-section. It is also proposed that the outlet element is movable in a vertical direction. This makes it possible to regulate the gasification process.
  • the outlet element is movable towards the underside or away from the underside.
  • the outlet element is movable together with the feed pipe.
  • a feed pipe is connected to an outlet element in a gas-tight manner.
  • the feed unit has two or more feed pipes which are spaced apart from one another in a direction transverse to the longitudinal axes of the feed pipes. This makes it possible to achieve a comparatively refined control of the feed of the gasification medium into the interior of the reactor module.
  • two or more feed pipes are connected to the same outlet element.
  • each supply pipe is connected to one of the outlet elements.
  • the feed unit has two or more outlet elements, with a group of two or more feed pipes each being connected to one of the outlet elements. It is conceivable that two or more outlet elements are spaced apart from one another in a plane transverse to the longitudinal extension of the feed pipes. However, it is also conceivable that two of the outlet elements are spaced apart from one another in a direction along the longitudinal extension of the feed pipes. are present. This comparatively improves the gasification process.
  • the feed unit has a plurality of feed pipes, each of the plurality of feed pipes being movably mounted on the top of the reactor module. It is conceivable that the feed unit has a guide element, the plurality of feed pipes being connected to the guide element, so that a positioning of the feed pipes relative to one another, e.g. a spacing of the feed pipes relative to one another, can be predetermined by the guide element. For example, a positioning of the plurality of feed pipes in a direction transverse to the longitudinal axes of the feed pipes can be predetermined by the guide element.
  • the gasification medium contains, for example, a proportion of air, a proportion of oxygen and/or a proportion of water vapor. It is also conceivable that the gasification medium contains other substances or elements.
  • the composition of the gasification medium is tailored to the fuel and the gas generation module. It is conceivable that the composition of the gasification medium can be adjusted during a gasification process.
  • the combustion product is created by the thermo-chemical gasification of the fuel in the reactor module.
  • the combustion product is present as a solid body.
  • the combustion product is coke or coal.
  • the combustion product is the ash created by the thermo-chemical gasification. It is conceivable that the combustion product has external dimensions between 1 micrometer and 60mm, e.g. between 1 micrometer and 50mm. It is conceivable that the combustion product is a mixture of ash and particles, pieces and/or pieces.
  • the gas generation module is designed as a wood gasifier.
  • the gas generation module is designed as a direct current gasifier.
  • the fuel supply is formed on the upper side of the reactor module.
  • the fuel supply comprises a lock system by means of which fuel can be introduced into the interior of the reactor module. It is conceivable that the lock system is designed in such a way that when fuel is introduced into the interior, an airtight seal of the reactor module to the outside is ensured.
  • the lock system of the fuel supply ensures a reliable gasification process inside the reactor module even while further fuel is being fed into the interior of the reactor module.
  • gravity can be used to transport the fuel from top to bottom through the reactor cavity.
  • a level sensor is present on the reactor module in order to determine the level of fuel inside the reactor module. This can ensure a continuous gasification process of fuel inside the reactor module.
  • the reactor module has a top, a bottom and a reactor shell. It is conceivable that the top, the bottom and the reactor shell are connected to one another. For example, the top, the bottom and the reactor shell are connected to one another in an airtight and/or gas-tight manner.
  • the reactor shell is designed to be continuously closed around the circumference. It is conceivable that the reactor shell encloses the reactor cavity around the circumference.
  • the reactor module has an upper reactor module region and a lower reactor module region.
  • the reactor shell has no openings through which reaction elements, e.g. a gasification medium or a fuel, can enter the interior of the reactor module or can escape from the inside of the reactor module.
  • the reactor shell has one or more mounting openings in order to attach sensors to the reactor shell, e.g. a level and/or a temperature sensor.
  • sensors e.g. a level and/or a temperature sensor.
  • the mounting openings are designed to be gas-tight, so that both when a sensor is arranged at the mounting opening and when no sensor is arranged at the mounting opening, the reactor shell and in particular the mounting openings are designed to be gas-tight and thus completely closed across the entire circumference.
  • the gas generation module has at least one product gas outlet for product gas and/or combustion products.
  • the gas generation module has two, three or more product gas outlets. This makes it possible to create more homogeneous reaction areas in the reactor module.
  • the product gas outlet is formed on the top of the reactor module.
  • the product gas outlet is present on the bottom.
  • the gas generation module has an induced draft system to extract the product gas and/or combustion product from the interior of the reactor module.
  • the induced draft system has a suction fan.
  • the product gas is the gas produced during the thermochemical gasification of carbon-containing feedstocks, which is also called syngas.
  • the product gas and/or combustion product is a synthesis gas.
  • the fuel product discharge unit is arranged in the lower reactor module area, wherein the fuel product discharge unit is arranged on the reactor module in such a way that the fuel product discharge unit can transport the fuel product out of the reactor module in the lower reactor module area.
  • the fuel product discharge unit is formed on the underside. It is conceivable that the fuel product discharge unit is designed to transport a mixture or blend of fuel and fuel product out of the reactor module.
  • the fuel product discharge unit is designed on the underside as an ash discharge unit or coal discharge unit.
  • the fuel product discharge unit has a screw conveyor with the screw or a spindle conveyor with the spindle.
  • the fuel product discharge unit is present as a screw conveyor or as a spindle conveyor. It is conceivable that the fuel product discharge unit comprises an airtight lock system by means of which the ash and/or coal produced from the fuel inside the reactor module during the gasification process can be discharged from the reactor module.
  • the lock system of the fuel product discharge unit ensures a reliable gasification process inside the reactor module even while ash is being discharged from the inside of the reactor module.
  • no separating element in the form of a grid and/or in the form of a grate is formed within the reactor module, so that no mechanical separation of fuel and fuel product by a grid and/or a grate takes place within the reactor module. This facilitates the removal of combustion products from the reactor module. For example, there is no separation element in the reactor cavity starting from the top in a direction along a longitudinal extension of the feed pipes to the bottom of the reactor module.
  • combustion product e.g. ash
  • fuel e.g. pellets
  • larger combustion products e.g. larger particles or elements
  • smaller elements or particles, in particular of the combustion product fall downwards towards the bottom of the reactor module due to gravity and existing gaps between the larger fuel pieces and thereby collect in the area of the bottom of the reactor module.
  • gasification of the fuel and the continuous discharge for example, of material from the reactor module through the fuel product discharge unit to form a mixture of fuel product and fuel.
  • the proportion of fuel in the mixture becomes smaller and smaller with increasing reaction time until the proportion approaches zero, since ideally the fuel is completely gasified during the reaction.
  • the reactor module has a reactor base, the reactor base delimiting the reactor cavity at the bottom, the gas generation module being designed in such a way that fuel and/or combustion product can fall directly onto the reactor base. This makes it possible to achieve longer maintenance intervals.
  • the combustion product discharge unit includes the product gas outlet. This can facilitate combustion product discharge and thus, for example, extend the maintenance interval.
  • larger particles can be removed from the reactor module by the screw, spindle or spiral of the fuel product discharge unit. It is also conceivable that by connecting the product gas outlet to the fuel product discharge unit, smaller fuel product particles, such as ash, are sucked out together with the product gas outlet through the fuel product discharge unit. It is also conceivable that the ash is separated from the product gas in a downstream step.
  • the screw or spindle of the fuel product discharge unit has a hollow shaft, so that the product gas outlet is realized through the hollow space of the shaft.
  • the screw, spiral or spindle has a hollow shaft.
  • the screw, the spiral or the spindle of the fuel product discharge unit is surrounded by a double-walled tube in which the screw or the spindle is arranged, the product gas outlet being realized by means of the hollow space of the double-walled tube. This makes it possible to realize a comparatively larger cross-section of the product gas outlet. It is conceivable that this makes it possible to realize a comparatively compact structure of the gas generation module.
  • the fuel product discharge unit and the product gas outlet are arranged at a distance from one another on the reactor module. This makes it possible to simplify the gas generation module, particularly with regard to maintenance.
  • combustion product discharge unit and the product gas outlet are provided at a distance from one another on the underside.
  • combustion product discharge unit and the product gas outlet are provided opposite one another on the underside.
  • combustion product discharge unit and/or the product gas outlet are formed in the area of the reactor floor on the reactor module.
  • the product gas outlet is arranged in the lower area of the reactor module. It is conceivable that such an arrangement makes it comparatively easy to simultaneously discharge combustion products through the product gas outlet.
  • combustion product discharge unit due to its design with spindle, screw or spindle, can discharge smaller combustion product particles, such as ash, from the reactor module with comparatively little difficulty, which is why the combustion product discharge unit must additionally have an extraction system or the additional extraction system must be provided, for example, by the Product gas outlet is feasible. It is conceivable that the combustion product discharge unit has an extraction system.
  • An exemplary embodiment of the invention is a power plant or a gas generation plant with one, for example with several gas generation modules according to one of the aforementioned embodiments.
  • the power plant is designed to convert the product gas produced and/or the combustion product produced into heat and/or electricity.
  • the power plant is designed as a combined heat and power plant.
  • the power plant has an engine and/or a turbine for converting the product gas produced and/or the combustion product produced into heat and/or electricity.
  • the gas generation plant is designed to feed the product gas produced with the gas generation module and/or the combustion product produced directly into a gas network. It is also conceivable that the gas generation plant is designed to separate hydrogen from the product gas produced or from the combustion product produced.
  • Figure 1 is a schematic representation of a gas generation module with associated gas cooler
  • Figure 2 is a schematic representation of another gas generation module with associated gas cooler
  • Figure 1 shows a gas generation module 1 which is connected to a gas cooler 3 via a fuel product discharge unit 2.
  • the gas generation module 1 has a reactor module 4 with a reactor cavity 5.
  • a feed unit 7 with feed pipes 8, 9, 10 is arranged on an upper side 6 of the reactor module 4. At one end of the feed pipes 8, 9, 10, they are connected to an outlet element 11 in the interior of the reactor module. Outlet openings 12 are present on the outlet element 11.
  • the reactor cavity 5 is funnel-shaped in the direction of the underside 13 of the reactor module 4 and tapers towards the reactor bottom 17.
  • a fuel product discharge unit 2 is formed, which has, for example, a spindle 14. With the spindle 14, it is conceivable that the fuel product or a mixture of fuel product and fuel is discharged from the reactor chamber. It is conceivable that the fuel product discharge unit 2 is designed to discharge the fuel product or the mixture continuously or at regular intervals. It is also conceivable that a product gas outlet 15 is present on the fuel product discharge unit 2 or that the fuel product discharge unit 2 comprises the product gas outlet 15. It is conceivable that the fuel product discharge unit has a blower 16 in order to discharge the product gas (not shown).
  • the product gas is fed to a gas cooler 3 via the fuel product discharge unit 2.
  • the product gas is cooled and/or processed, for example.
  • the product gas is separated from ash-like fuel, which is also sucked out by means of the blower 16.
  • Fuel feed 23 is formed. Starting from the fuel feed 23 or starting from the top 6, there is no separation element within the reactor module 4 up to the bottom 13 or up to the reactor floor 17. This means that fuel which is fed via the fuel feed 23 can fall directly onto the reactor floor 17 if the reactor cavity 5 is empty. Within the reactor module 4, there is no separation or subdivision of the reactor cavity 5 by a separation element into a reaction chamber and an ash chamber.
  • Figure 2 shows a further gas generation module 18 which is connected to a gas cooler 20 via a fuel product discharge unit 19 .
  • the gas generation module 18 according to Figure 2 differs, for example, from the gas generation module 1 according to Figure 1 in that the product gas outlet 21 is not arranged on the fuel product discharge unit 19, but is arranged at a distance from the latter on the gas generation module 18. It is conceivable that the fuel product discharge unit 19 and the product gas outlet 21 are arranged at a distance in a height direction, along a longitudinal axis L of the supply pipes, on the gas generation module 18. However, it is also conceivable that the fuel product discharge unit 19 and the product gas outlet 21 are arranged at the same height on the gas generation module 18 (not shown), for example opposite each other.
  • the product gas outlet 21 is connected to the gas cooler 20 and product gas from the gas generation module 18 is fed to the gas cooler 20 via the product gas outlet 21, and that the combustion product discharge unit 19 is connected to the gas cooler 20. It is conceivable that product gas is also discharged via the discharge of combustion product by the combustion product discharge unit 19 and this is fed to the gas cooler 20.
  • combustion product which is fed to the gas cooler 20 through the product gas outlet 21 with the product gas and which is separated from the product gas in the gas cooler 20, is fed to the combustion product discharge unit 19 via an outlet 22, so that the combustion product can be transported further through the combustion product discharge unit 19.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Industrial Gases (AREA)

Abstract

L'invention concerne un module de génération de gaz pour la production de gaz à partir d'un combustible carboné, ce module de génération de gaz comprenant un module de réacteur, ce module de réacteur entourant une cavité de réacteur, le module de génération de gaz comprenant au moins une alimentation en combustible, le module de génération de gaz comprenant une sortie de gaz produit, le module de génération de gaz comprenant une unité d'évacuation de produit de combustion, le module de génération de gaz étant conçu pour, transformer le combustible en gaz produit et en produit de combustion, l'unité d'évacuation du produit de combustion comprenant une vis sans fin, une broche ou une spirale pour évacuer le produit de combustion de la cavité du réacteur, aucun élément de séparation n'étant présent à l'intérieur du module de réacteur, de sorte qu'aucune séparation mécanique du combustible et du produit de combustion n'ait lieu sous l'action d'un élément de séparation à l'intérieur du module de réacteur.
PCT/EP2024/065242 2023-06-05 2024-06-04 Module de génération de gaz Pending WO2024251681A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102023114696.3A DE102023114696A1 (de) 2023-06-05 2023-06-05 Gaserzeugungsmodul
DE102023114696.3 2023-06-05

Publications (1)

Publication Number Publication Date
WO2024251681A1 true WO2024251681A1 (fr) 2024-12-12

Family

ID=91465109

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2024/065242 Pending WO2024251681A1 (fr) 2023-06-05 2024-06-04 Module de génération de gaz

Country Status (2)

Country Link
DE (1) DE102023114696A1 (fr)
WO (1) WO2024251681A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4599953A (en) * 1985-07-08 1986-07-15 Gould William A Garbage to hydrocarbon fuel conversion system
WO2007081296A1 (fr) * 2006-01-16 2007-07-19 Gep Yesil Enerji Uretim Teknolojileri Ltd. Sti. Gazogene a ecoulement descendant/ascendant pour production de gaz de synthese a partir de dechets solides
EP2666845A1 (fr) * 2012-05-24 2013-11-27 Murat Dogru Appareil de production de gaz
US20170073593A1 (en) * 2015-09-10 2017-03-16 Ag Energy Solutions, Inc. Gasifier System

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH89013A (de) * 1918-02-19 1921-04-16 Heller Fritz Vorrichtung zur selbsttätigen Entaschung rostloser Gaserzeuger.
DE883485C (de) * 1942-04-16 1953-07-16 Daimler Benz Ag Gaserzeuger, insbesondere Querstromgaserzeuger fuer Kraftfahrzeuge
DE4409643A1 (de) * 1994-03-21 1995-09-28 Karlfried Cost Gaserzeuger mit umlaufendem Lößlehm

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4599953A (en) * 1985-07-08 1986-07-15 Gould William A Garbage to hydrocarbon fuel conversion system
WO2007081296A1 (fr) * 2006-01-16 2007-07-19 Gep Yesil Enerji Uretim Teknolojileri Ltd. Sti. Gazogene a ecoulement descendant/ascendant pour production de gaz de synthese a partir de dechets solides
EP2666845A1 (fr) * 2012-05-24 2013-11-27 Murat Dogru Appareil de production de gaz
US20170073593A1 (en) * 2015-09-10 2017-03-16 Ag Energy Solutions, Inc. Gasifier System

Also Published As

Publication number Publication date
DE102023114696A1 (de) 2024-12-05

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