DE102007029749A1 - Plant for the production of biogas, comprises a fermenter into which a nutrient medium is introduced via an inlet opening and is fermented to produce biogas, a mixer mounted upstream of the fermenter, a heat exchanger and a cleaning unit - Google Patents
Plant for the production of biogas, comprises a fermenter into which a nutrient medium is introduced via an inlet opening and is fermented to produce biogas, a mixer mounted upstream of the fermenter, a heat exchanger and a cleaning unit Download PDFInfo
- Publication number
- DE102007029749A1 DE102007029749A1 DE102007029749A DE102007029749A DE102007029749A1 DE 102007029749 A1 DE102007029749 A1 DE 102007029749A1 DE 102007029749 A DE102007029749 A DE 102007029749A DE 102007029749 A DE102007029749 A DE 102007029749A DE 102007029749 A1 DE102007029749 A1 DE 102007029749A1
- Authority
- DE
- Germany
- Prior art keywords
- fermenter
- nutrient medium
- biogas
- medium
- mixing device
- 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.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
- B01F23/45—Mixing liquids with liquids; Emulsifying using flow mixing
- B01F23/454—Mixing liquids with liquids; Emulsifying using flow mixing by injecting a mixture of liquid and gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
- B01F25/21—Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/36—Means for collection or storage of gas; Gas holders
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
- C12M29/24—Recirculation of gas
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/44—Means for regulation, monitoring, measurement or control, e.g. flow regulation of volume or liquid level
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Organic Chemistry (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Genetics & Genomics (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Biotechnology (AREA)
- Microbiology (AREA)
- Sustainable Development (AREA)
- General Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Molecular Biology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Clinical Laboratory Science (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Description
Die Erfindung betrifft eine Biogasanlage, die einen Fermenter aufweist, in den über eine Einlassöffnung ein Nährmedium einbringbar ist, durch dessen Fermentation Biogas erzeugbar ist.The The invention relates to a biogas plant having a fermenter, in the over an inlet opening a nutrient medium can be introduced, through the fermentation biogas is generated.
Eine derartige Biogasanlage ist bekannt. Zur Fermentation des Nährmediums ist es erforderlich, dass das im Fermenter befindliche Nährmedium durchmischt wird. Je nach dem eingesetzten Reaktortyp wird die Durchmischung des Nährmediums entweder durch ein im Reaktor angeordnetes Rührwerk (Rührkesselreaktor) bewirkt, oder es wird in einen so genannten Airliftreaktor ein Luftstrom eingebracht, der für eine entsprechende Durchmischung des im Reaktor befindlichen Nährmediums sorgt. In beiden Fällen sind also im Reaktor Einrichtungen erforderlich, die entweder mechanisch (Rührwerk) oder strömungsdynamisch (Airliftreaktor) für eine Bewegung des Nährmediums sorgen. Derartige Einrichtung verteuern aber in nachteiliger Art und Weise die Herstellungs-, Betriebs- und Wartungskosten einer bekannten Biogasanlage.A Such biogas plant is known. For fermentation of the nutrient medium It is necessary that the nutrient medium in the fermenter mixes becomes. Depending on the type of reactor used, the mixing of the nutrient medium either caused by an agitator (stirred tank reactor) arranged in the reactor, or it is introduced into a so-called airlift reactor, an air flow, the for one appropriate mixing of the nutrient medium in the reactor provides. In both cases So in the reactor facilities are required, either mechanically (Agitator) or fluid dynamic (Airlift reactor) for a movement of the nutrient medium to care. Such device but expensive in a disadvantageous way and the manufacturing, operating and maintenance costs of a known Biogas plant.
Es ist Aufgabe der vorliegenden Erfindung, eine Biogasanlage der eingangs genannten Art derart weiterzubilden, dass in einfacher Art und Weise eine Durchmischung des im Fermenter befindlichen Nährmediums erreicht wird.It Object of the present invention, a biogas plant of the beginning so-called type in such a way that in a simple manner a Mixing of the nutrient medium in the fermenter is achieved.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass dem Fermenter eine Mischeinrichtung vorgeschaltet ist, in der das dem Fermenter zuzuführende Nährmedium und ein gasförmiges Medium vermischbar sind, und dass das derart gebildete Gemisch aus Nährmedium und gasförmigem Medium dem Fermenter zugeführt ist.These Task is inventively characterized solved, that the fermenter is preceded by a mixing device in which the to be supplied to the fermenter broth and a gaseous one Medium are miscible, and that the mixture thus formed from broth and gaseous Medium supplied to the fermenter is.
Das erfindungsgemäße Verfahren sieht vor, dass vor dem Zuführen des Nährmediums in den Fermenter das Nährmedium in einer Mischeinrichtung mit einem gasförmigen Medium gemischt wird und das derart gebildete Stoff/Gas-Gemisch in den Fermenter eingebracht wird.The inventive method Provides that before feeding of the nutrient medium in the fermenter, the nutrient medium is mixed in a mixing device with a gaseous medium and introducing the thus formed substance / gas mixture into the fermenter becomes.
Durch die erfindungsgemäßen Maßnahmen wird in vorteilhafter Art und Weise eine sowohl für den mezophilen als auch den thermophilen Bereich geeignete Biogasanlage geschaffen, bei der keine im Inneren des Fermenters angeordneten Einrichtungen zur Durchmischung des Nährmediums mehr erforderlich sind. Das Einbringen des derartig mit dem gasförmigen Medium vermischten Nährmediums in den Fermenter bewirkt in vorteilhafter Art und Weise, dass im Fermenter ein Nährmedium-Strom ausgebildet wird, welcher eine Durchmischung des darin befindlichen Nährmediums bewirkt. Es ist daher nicht mehr erforderlich, Einrichtungen wie ein Rührwerk oder Luftdüsen im Fermenter vorzusehen. Dies bewirkt in vorteilhafter Art und Weise, dass hierdurch sowohl die Herstellungskosten des Fermenters und somit der Biogasanlage als auch deren Betriebs- und Wartungskosten reduziert werden.By the measures according to the invention will in an advantageous manner, both for mezophile and thermophilic area suitable biogas plant created in the no arranged inside the fermenter facilities for mixing of the nutrient medium more are needed. The introduction of the so with the gaseous medium mixed nutrient medium in the fermenter effected in an advantageous manner that in Fermenter a nutrient medium stream is formed, which is a thorough mixing of the therein nutrient medium causes. It is therefore no longer necessary to equip facilities a stirrer or air nozzles to provide in the fermenter. This causes in an advantageous manner, that thereby both the production cost of the fermenter and thus the biogas plant as well as their operating and maintenance costs become.
Eine vorteilhafte Weiterbildung der Erfindung sieht vor, dass das zur Vermischung des Nährmediums verwendete gasförmige Medium das im Fermenter gewonnene Biogas ist. Eine derartige Maßnahme besitzt den Vorteil einer besonders kostengünstigen Betriebsweise.A advantageous development of the invention provides that the Mixing of the nutrient medium used gaseous Medium is the biogas produced in the fermenter. Such a measure has the advantage of a particularly cost-effective operation.
Eine weitere vorteilhafte Weiterbildung der Erfindung sieht vor, dass aus dem Fermenter entnommenes, ganz oder teilweise fermentiertes Nährmedium zur Mischeinrichtung geleitet, dort mit dem in den Fermenter einzubringenden Nährmedium und dem gasförmigen Medium vermischt und wiederum in den Fermenter eingespeist wird. Eine derartige Vorgehensweise besitzt den Vorteil, dass hierdurch ein Umwälzbetrieb des Fermenters ermöglicht wird.A Further advantageous development of the invention provides that removed from the fermenter, wholly or partially fermented broth directed to the mixing device, there with the introduced into the fermenter broth and the gaseous Mixed medium and in turn fed into the fermenter. Such an approach has the advantage that thereby a circulating of the fermenter allows becomes.
Eine weitere vorteilhafte Weiterbildung der Erfindung sieht vor, dass die Füllmenge des im Fermenter befindlichen Nährmediums regelbar ist. Vorzugsweise ist hierbei vorgesehen, dass die Füllmengenregelung durch eine Regelung der Zufuhr und/oder der Abfuhr des Nährmediums in Abhängigkeit vom Druck des im Fermenter erzeugten Biogases erfolgt. Diese Vorgehensweise hat den Vorteil, dass hierdurch in einfacher Art und Weise der Druck des im Fermenter befindlichen Biogases unterhalb eines definierten Druckwertes gehalten werden kann.A Further advantageous development of the invention provides that the capacity of the nutrient medium in the fermenter is controllable. Preferably, it is provided that the filling quantity control by regulating the supply and / or the removal of the nutrient medium dependent on from the pressure of biogas produced in the fermenter. This approach has the advantage that this in a simple manner, the pressure of in the fermenter biogas below a defined pressure value can be held.
Eine weitere vorteilhafte Weiterbildung der Erfindung sieht vor, dass der Druck unterhalb des atmosphärischen Drucks gehalten wird. Dies hat den Vorteil, dass hierdurch der Fermenter besonders einfach aufgebaut sein kann.A Further advantageous development of the invention provides that the pressure below the atmospheric Pressure is maintained. This has the advantage that thereby the fermenter can be particularly simple.
Weitere vorteilhafte Weiterbildungen der Erfindung sind Gegenstand der Unteransprüche.Further advantageous developments of the invention are the subject of the dependent claims.
Weitere Einzelheiten und Vorteile der Erfindung sind dem Ausführungsbeispiel zu entnehmen, dass im Folgenden anhand der einzigen Figur erläutert wird. Es zeigt:Further Details and advantages of the invention are the embodiment can be seen that will be explained below with reference to the single figure. It shows:
In
Die
hier beschriebene Biogasanlage
Die
Vermischung des in den Fermenter
Hierzu
ist vorgesehen, dass die Mischeinrichtung
Das
gasförmige
Medium G wird der Mischeinrichtung
Vorzugsweise
ist vorgesehen, dass das gasförmige
Medium G vor dem Einspeisen in die Mischeinrichtung
Der
Gasverdichter kann – falls
erforderlich – ohne
Zugabe des Nährmediums
M zur Einspeisung des gasförmigen
Mediums G verwendet werden. Hierdurch kann das im Fermenter
Optional
kann vorgesehen sein, dass zwischen dem Gasverdichter
Der
Fermenter
In
dem hier beschriebenen Fall ist vorgesehen, dass der Mischeinrichtung
Um
nun dem Fermenter
Vorzugsweise
ist vorgesehen, dass – wie
in
Die
Ansammlung des durch die Fermentation des Nährmediums M gewonnenen Biogases
B im Gasspeicherbereich
Ist
nun der Druck des Biogases B in der Leitung
Ist
der Gasdruck im Fermenter
Zusammenfassend
ist festzuhalten, dass durch die beschriebene Vorgehensweise eine
verbesserte Durchmischung des Nährmediums
M, M' im Fermenter
Claims (14)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007029749A DE102007029749A1 (en) | 2007-06-27 | 2007-06-27 | Plant for the production of biogas, comprises a fermenter into which a nutrient medium is introduced via an inlet opening and is fermented to produce biogas, a mixer mounted upstream of the fermenter, a heat exchanger and a cleaning unit |
PCT/EP2008/005298 WO2009000553A1 (en) | 2007-06-27 | 2008-06-27 | Biogas plant |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007029749A DE102007029749A1 (en) | 2007-06-27 | 2007-06-27 | Plant for the production of biogas, comprises a fermenter into which a nutrient medium is introduced via an inlet opening and is fermented to produce biogas, a mixer mounted upstream of the fermenter, a heat exchanger and a cleaning unit |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102007029749A1 true DE102007029749A1 (en) | 2009-01-02 |
Family
ID=40075922
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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DE102007029749A Withdrawn DE102007029749A1 (en) | 2007-06-27 | 2007-06-27 | Plant for the production of biogas, comprises a fermenter into which a nutrient medium is introduced via an inlet opening and is fermented to produce biogas, a mixer mounted upstream of the fermenter, a heat exchanger and a cleaning unit |
Country Status (1)
Country | Link |
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DE (1) | DE102007029749A1 (en) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2034750A (en) * | 1978-11-20 | 1980-06-11 | Apv Co Ltd | Improvements in Fermentation Processes |
DE3134980C1 (en) * | 1981-09-04 | 1983-04-07 | Dornier System Gmbh, 7990 Friedrichshafen | Process and apparatus for mixing biomass |
US4883753A (en) * | 1986-07-17 | 1989-11-28 | Gaz De France | High-yield methane production process by culture of Methanobacterium thermoautotrophicum or any other methanogenic bacterium having the same physiological growth properties |
DE4333177A1 (en) * | 1993-09-29 | 1995-03-30 | Linde Kca Dresden Gmbh | Process for the treatment of biodegradable substrates |
DE4404600C1 (en) * | 1994-02-07 | 1995-07-06 | Siegfried Prof Dr Ripperger | Process for the bubble-free fumigation of microorganisms |
DE4230644C2 (en) * | 1992-09-12 | 1996-09-19 | Johannes Martin Dipl I Mueller | Process for converting the carbon dioxide in the flue gas by bacterial fermentation to methane as the final stage of flue gas cleaning in coal-fired power plants |
EP1574581A2 (en) * | 2004-03-08 | 2005-09-14 | E.M. Engineering F.T.S. B.V. | Method and apparatus for preparing methane gas |
DE102004047560B3 (en) * | 2004-09-30 | 2006-02-16 | Clausthaler Umwelttechnikinstitut Gmbh, (Cutec-Institut) | Biogas measuring device and method for measuring biogas volume |
DE102004061455A1 (en) * | 2004-12-17 | 2006-07-06 | Endress + Hauser Gmbh | Method for controlling a fermentation of a substrate and corresponding device |
-
2007
- 2007-06-27 DE DE102007029749A patent/DE102007029749A1/en not_active Withdrawn
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2034750A (en) * | 1978-11-20 | 1980-06-11 | Apv Co Ltd | Improvements in Fermentation Processes |
DE3134980C1 (en) * | 1981-09-04 | 1983-04-07 | Dornier System Gmbh, 7990 Friedrichshafen | Process and apparatus for mixing biomass |
US4883753A (en) * | 1986-07-17 | 1989-11-28 | Gaz De France | High-yield methane production process by culture of Methanobacterium thermoautotrophicum or any other methanogenic bacterium having the same physiological growth properties |
DE4230644C2 (en) * | 1992-09-12 | 1996-09-19 | Johannes Martin Dipl I Mueller | Process for converting the carbon dioxide in the flue gas by bacterial fermentation to methane as the final stage of flue gas cleaning in coal-fired power plants |
DE4333177A1 (en) * | 1993-09-29 | 1995-03-30 | Linde Kca Dresden Gmbh | Process for the treatment of biodegradable substrates |
DE4404600C1 (en) * | 1994-02-07 | 1995-07-06 | Siegfried Prof Dr Ripperger | Process for the bubble-free fumigation of microorganisms |
EP1574581A2 (en) * | 2004-03-08 | 2005-09-14 | E.M. Engineering F.T.S. B.V. | Method and apparatus for preparing methane gas |
DE102004047560B3 (en) * | 2004-09-30 | 2006-02-16 | Clausthaler Umwelttechnikinstitut Gmbh, (Cutec-Institut) | Biogas measuring device and method for measuring biogas volume |
DE102004061455A1 (en) * | 2004-12-17 | 2006-07-06 | Endress + Hauser Gmbh | Method for controlling a fermentation of a substrate and corresponding device |
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R016 | Response to examination communication | ||
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R120 | Application withdrawn or ip right abandoned |
Effective date: 20140612 |