WO2023194550A1 - Système de déversement à étages multiples pour fermenteur à écoulement piston - Google Patents

Système de déversement à étages multiples pour fermenteur à écoulement piston Download PDF

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Publication number
WO2023194550A1
WO2023194550A1 PCT/EP2023/059192 EP2023059192W WO2023194550A1 WO 2023194550 A1 WO2023194550 A1 WO 2023194550A1 EP 2023059192 W EP2023059192 W EP 2023059192W WO 2023194550 A1 WO2023194550 A1 WO 2023194550A1
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WO
WIPO (PCT)
Prior art keywords
discharge opening
fermenter
discharge
contents
fermenter contents
Prior art date
Application number
PCT/EP2023/059192
Other languages
German (de)
English (en)
Inventor
Michael Krismer
Matthias Geiger
Original Assignee
Thöni Industriebetriebe Gmbh
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 Thöni Industriebetriebe Gmbh filed Critical Thöni Industriebetriebe Gmbh
Publication of WO2023194550A1 publication Critical patent/WO2023194550A1/fr

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    • 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
    • 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
    • C12M23/40—Manifolds; Distribution pieces
    • 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
    • C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
    • C12M27/02—Stirrer or mobile mixing elements
    • C12M27/06—Stirrer or mobile mixing elements with horizontal or inclined stirrer shaft or axis
    • 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
    • C12M41/48—Automatic or computerized control

Definitions

  • the present disclosure relates to the field of biogas plants, in particular biogas plants with a plug flow fermenter.
  • EP 1 987 130 B1 discloses a horizontal plug flow fermenter for producing biogas with several reaction volume cells (stirred cells) connected in series, each of which is equipped with slow-running bar agitators on axes perpendicular to the flow direction of the fermenter. If significant amounts of inert bottom sediments develop over a long period of time, they can be moved into the area of the extraction nozzle near the bottom by rotating the last agitator counterclockwise and removed specifically from the reactor.
  • Known methods for optimizing the operation of a biogas plant with a plug flow fermenter typically start in the fermenter itself and attempt to optimize the desired conditions by influencing the fermenter contents in the fermenter.
  • plug flow fermenters specifically in a During the commissioning phase, in the event of abrupt seasonal changes, but also if the fermenter is not being operated optimally, the removal of contaminants from the fermenter can be problematic. For example, a discharge line can become clogged.
  • a biogas plant is provided.
  • a biogas plant comprising: a plug flow fermenter with at least two discharge openings, the at least two discharge openings comprising a first discharge opening and a second discharge opening; a pump device for removing fermenter contents through the at least two discharge openings and discharging the removed fermenter contents into a discharge line; a control device which is configured to control a removal of fermenter contents through the at least two discharge openings into the pumping device and thereby adjust a quality of the removed fermenter contents in the discharge line.
  • a method for operating a biogas plant with a plug flow fermenter, which has at least two discharge openings, the at least two discharge openings comprising a first discharge opening and a second discharge opening, the method comprising: controlling a removal of fermenter contents through the at least two discharge openings in order to adjust the quality of the removed fermenter contents in a discharge line.
  • a computer program product is provided.
  • a computer program product comprising a program element which, when executed on a processor device, is designed to control a method according to the second aspect or at least one embodiment thereof.
  • a biogas plant includes a plug flow fermenter.
  • the plug flow fermenter has at least two discharge openings.
  • the at least two discharge openings include a first discharge opening and a second discharge opening.
  • the biogas plant has a pump device for removing fermenter contents through the at least two discharge openings (in particular through the first discharge opening and through the second discharge opening) and releasing the removed fermenter contents into a discharge line.
  • the biogas plant has a control device which is configured to control a removal of fermenter contents through the at least two discharge openings (in particular through the first discharge opening and the second discharge opening) into the pumping device and thereby a quality of the removed fermenter contents in the Adjust the discharge line.
  • a method according to the second aspect comprises controlling a removal of fermenter contents through at least two discharge openings (in particular through the first discharge opening and through the second discharge opening) in order to thereby adjust a quality of the removed fermenter contents in the discharge line.
  • a computer program product according to the third aspect causes the execution (control) of such a method.
  • the aspects and embodiments of the subject matter disclosed herein are based on the idea that an inhomogeneous fermenter content present in the fermenter is removed by removing fermenter content through at least two discharge openings and dispensing the removed Fermenter contents into a discharge line in the discharge line a suitable quality of the fermenter contents can be achieved regardless of the homogeneity of the fermenter contents in the fermenter.
  • the discharge line is therefore a common discharge line through which fermenter content, which was removed through the first discharge opening, and fermenter content, which was removed through the second discharge opening, are discharged.
  • the flexible combination of material removal from the fermenter ensures, on the one hand, that contaminants cannot accumulate in the fermenter (or only to a reduced extent) and, on the other hand, that the contaminant content in combination with a pump and line routing used according to one embodiment does not lead to blockages.
  • Interfering substances in the sense of the present disclosure are substances that do not contribute to fermentation.
  • Contaminants can be, for example, substances that are not subject to any or no relevant fermentation during the typical residence time in the fermenter.
  • disruptive substances are sand, stones, metal parts, stone fruit cores, etc.
  • a plug flow fermenter is a fermenter which is designed to ferment fermenter contents that have a dry matter content between 15-45 percent (for example 25-40 percent at input and 15-30 percent at output). For this reason, fermentation in a plug flow fermenter is also known as dry fermentation.
  • a discharge port of a plug flow fermenter is an opening provided to remove fermenter contents from the plug flow fermenter.
  • a quality of the removed fermenter contents in the discharge line is, for example, a homogeneity of the removed fermenter contents in the discharge line and/or a concentration of impurities in the removed fermenter contents in the discharge line.
  • the at least two discharge openings are arranged at a discharge end of the plug flow fermenter.
  • the first discharge opening and/or the second discharge opening are arranged on an end face of the plug flow fermenter.
  • the first discharge opening and the second discharge opening are arranged such that a first type of fermenter content can be removed through the first discharge opening and a second type of fermenter content can be removed through the second discharge opening, the first type of fermenter content having a higher impurity content than the second type of fermenter contents.
  • the first discharge opening is arranged below the second discharge opening.
  • the term “below” (and analogously also the term “above”) refers to the arrangements at different heights in a direction parallel to the Earth's gravitational field. In this sense, an arrangement of the first discharge opening below the second discharge opening means that the first discharge opening is at a smaller distance from the earth's surface than the second discharge opening.
  • the biogas plant has a longitudinal
  • Plug flow fermenter moves fermentation substrate in one transport direction from an entry end of the fermenter to the discharge end of the fermenter.
  • the agitator axis is arranged along the transport direction (parallel to the transport direction).
  • the control device is configured to effect removal of fermenter contents through the first discharge opening over a first period of time and to effect removal of fermenter contents through the second discharge opening over a second period of time, the first period of time and the second period of time being different.
  • the first period and the second period can follow one another in time, e.g. B. follow one another immediately or follow one another at a time interval.
  • the first period and the second period can overlap in time.
  • a configuration and the control of the pump device can be adapted accordingly.
  • the pump device has a piston pump.
  • the fermenter contents are removed through the first discharge opening and the fermenter contents are removed through the second discharge opening by a single piston pump.
  • the pump device has two or more piston pumps.
  • the pumping device has a valve arrangement through which removal of fermenter contents by the at least one piston pump through the first discharge opening and/or through the second discharge opening can be controlled.
  • the valve arrangement of the pump device has at least one valve, for example one valve for each discharge opening (n valves for n discharge openings, where n is a natural number greater than or equal to 2).
  • two or more valves can be implemented by a combined valve.
  • the biogas plant has an operating element with which a ratio of fermenter contents removed through the first discharge line to fermenter contents removed through the second discharge opening can be adjusted.
  • the ratio is volume-related, i.e. H.
  • a ratio of a volume of fermenter contents removed through the first discharge line to a volume of fermenter contents removed through the second discharge opening can be adjusted.
  • the ratio can be weight-related.
  • the biogas plant further has a sensor device for determining the nature of the removed fermenter contents in the discharge line.
  • the sensor device can, for example, comprise a pressure sensor for determining a pressure in the discharge line, for example a pressure sensor of the piston pump. Since the pressure in the discharge line depends on the nature of the fermenter contents in the discharge line, this pressure is a measure of the nature of the fermenter contents in the discharge line.
  • the control device is set up to control the removal of fermenter contents through the first discharge opening and through the second discharge opening.
  • Controlling the removal of fermenter contents through the first discharge opening and through the second discharge opening can, for example, be control in the sense of an adjustment.
  • the control device can be set up so that the volume that is removed through the first discharge opening is adjustable relative to the volume that is removed through the second discharge opening.
  • absolute volumes can be adjustable.
  • the biogas plant can be set up (for example, a display element can be provided) in order to display to an operator the quality of the removed fermenter contents in the discharge line determined by the sensor device, for example by displaying a parameter which represents the quality.
  • a parameter can be, for example, a pressure in the discharge line, e.g. B. a counterpressure built up by the discharge line (i.e. the fermenter contents therein), which acts on an output of the pump device to which the discharge line is connected.
  • controlling the removal of fermenter contents through the first discharge opening and through the second discharge opening can be control in the sense of regulation.
  • Control in the sense of regulating can, for example, be an automatic adjustment (eg of the ratio) based on an output from the sensor device, for example an automatic adjustment based on a controlled variable, for example the parameter mentioned above.
  • the control device is set up to control the removal of fermenter contents through the first discharge opening and the second discharge opening depending on the nature of the removed fermenter contents in the discharge line, which is determined by the sensor device.
  • the control device can be set up to (automatically) if the impurity content in the discharge line is too high ) to reduce the removal of fermenter contents through the first discharge opening relative to the removal of fermenter contents through the second discharge opening.
  • the removal of fermenter contents through the first discharge opening and through the second discharge opening is controlled by correspondingly controlling the volumes of fermenter contents that are removed from the fermenter through the first discharge opening and through the second discharge opening.
  • the volumes can be achieved, for example, by a corresponding number of piston strokes of a piston pump or by a corresponding proportion of a single piston stroke.
  • fermenter contents can be removed through the first discharge opening in a first partial stroke of the piston pump and fermenter contents can be removed through the second discharge opening in a second partial stroke of the piston pump be removed.
  • the order of the partial strokes in which fermenter content is removed through the first discharge opening or through the second discharge opening can be chosen arbitrarily become.
  • the method can also be operated in reverse, that is, in a first partial stroke of the piston pump, fermenter contents are removed through the second discharge opening and in a second partial stroke of the piston pump, fermenter contents are removed through the first discharge opening.
  • the decisive factor for setting the quality of the removed fermenter contents in the discharge line is the corresponding proportion of the fermenter contents which is removed through the first discharge opening relative to the proportion of the fermenter contents which is removed through the second discharge opening.
  • Removing fermenter contents with corresponding partial strokes has the advantage that fermenter contents that were removed through different discharge openings are already mixed in the piston pump and thus a high degree of homogeneity of the fermenter contents in the discharge line can be achieved.
  • Controlling a method disclosed herein may be accomplished, for example, by a suitable computer program product.
  • the control device may have a processor device.
  • a program element of the computer program product when executed on the processor device, controls a method in accordance with embodiments of the subject matter disclosed herein.
  • the biogas plant is set up to provide the functionality of one or more of the embodiments disclosed herein and/or to provide the functionality as required for one or more of the embodiments disclosed herein, in particular the embodiments of the first aspect second aspect and/or the third aspect.
  • the method is configured to provide the functionality of one or more of the embodiments disclosed herein and/or to provide the functionality as required for one or more of the embodiments disclosed herein, in particular the embodiments of the first aspect second aspect and/or the third aspect.
  • the computer program product is configured to provide the functionality of one or more of the embodiments disclosed herein and/or to provide the functionality as required for one or more of the embodiments disclosed herein, in particular the embodiments of the first aspect second aspect and/or the third aspect.
  • the program element is a non-transient program element.
  • reference to a computer program product is considered equivalent to reference to a computer program having a program element and/or a computer-readable medium having a program element.
  • a program element includes instructions for controlling a processing device (having one or more microprocessors, such as a computer system) to effect and/or coordinate the execution of a method described herein.
  • the (non-transient) program element may be implemented as computer-readable instruction code using any suitable programming language, such as JAVA, C#, or those typically used in PLC controls (SCL, AWL, etc.) and may be on a computer-readable medium (removable disk, volatile or non-volatile memory, embedded memory/processor, firmware, etc.) be saved.
  • the instruction code is executable for programming a computer or any other programmable processing device to perform the intended functions.
  • the computer program can be available on a network, for example the World Wide Web, from which it can be downloaded, for example.
  • the objects disclosed herein can be realized by means of a computer program product (more precisely by means of the included program element) or software.
  • the subjects disclosed herein may also be implemented by one or more specific electronic circuits or hardware.
  • the subject matter disclosed herein may also be in hybrid form, i.e. H. Can be realized in a combination of software modules and hardware modules.
  • FIG. 1 shows a biogas plant according to embodiments of the subjects disclosed herein.
  • Fig. 2 shows a partial representation of the pump device from Fig. 1.
  • FIG 3 shows another pumping device according to embodiments of the subject matter disclosed herein.
  • FIG 4 shows part of another biogas plant according to embodiments of the subjects disclosed herein.
  • the biogas plant 100 has a plug flow fermenter 101.
  • the plug flow fermenter 101 has a first discharge opening 102 and a second discharge opening 104.
  • the plug flow fermenter 101 is filled with fermenter contents 103, for example up to a nominal height 105, for example as shown in FIG. 1.
  • the biogas plant 100 has a pump device 106, with which the fermenter contents 103 in the plug flow fermenter 101 can be removed through the first discharge opening 102 and/or through the second discharge opening 104.
  • the pump device 106 is set up to discharge the fermenter contents, which are removed through the first discharge opening 102 or through the second discharge opening 104, into a discharge line 108, for example as shown in FIG. 1.
  • the biogas plant has a control device 110, which is configured to control the removal of fermenter contents 103 through the first discharge opening 102 and the second discharge opening 104 into the pump device 106 and thereby adjust a quality of the removed fermenter contents in the discharge line 108.
  • the pump device 106 is with the Discharge openings 102, 104 and the discharge line 108 are connected directly, for example via suitable piping (eg pipes 150, for example as shown in FIG. 1).
  • a “direct connection” in this context means that apart from the volume of the piping and the pumping device 106 (e.g. a piston pump) itself, no separate reservoir, for example no separate collecting container for collecting fermenter contents, is provided.
  • the discharge line 108 connects the pump device 106 directly to a drainage device 109, for example as shown in Fig. 1.
  • a drainage device 109 for example as shown in Fig. 1.
  • Other embodiments do not have a drainage device 109.
  • the discharge line 108 can open into an open area of the biogas plant 100 (not shown in Fig. 1). .
  • the control device 110 includes a processor device 112 and a storage device 114 in which a program element according to embodiments of the subject matter disclosed herein is stored.
  • the program element when executed on the processor device 112, effects functionality of the control device 110 in accordance with embodiments of the subject matter disclosed herein.
  • the control device 110 is connected to the pump device 106 in terms of control, for example as shown at 116 in FIG.
  • the connection 116 between the control device 110 and the pump device 106 is a bidirectional connection, for example a bidirectional signal transmission connection.
  • the plug flow fermenter has an agitator 118.
  • the agitator 118 is a longitudinal agitator, for example as shown in FIG. 1.
  • an agitator axis 120 of the agitator 118 extends in a longitudinal direction 122 of the plug flow fermenter 101.
  • the agitator 118 is a longitudinal agitator, for example as shown in FIG. 1.
  • the agitator includes an agitator shaft 119 and a plurality of agitator paddles attached to the agitator shaft, some of which are shown at 121 in FIG.
  • the plug flow fermenter 101 has an input end 123 and a discharge end 124.
  • the agitator axis 120 extends in a direction from the entry end 123 to the discharge end 124.
  • fresh fermentation substrate is introduced into the plug flow fermenter 101 at the entry end 123.
  • the first discharge opening 102 and the second discharge opening 104 are arranged at the discharge end 124.
  • the discharge end 124 comprises an end face 126 and an adjacent wall region 128 of the plug flow fermenter 101.
  • both the first discharge opening 102 and the second discharge opening 104 are arranged on the end face 126 of the discharge end 124, for example as shown in FIG.
  • the first discharge opening 102 is arranged below the second discharge opening 104, for example as shown in FIG. 1.
  • the biogas plant has a sensor device with which the nature of the fermenter contents in the discharge line 108 can be determined.
  • the sensor device is a pressure sensor 130.
  • the pressure sensor 130 can be a pressure sensor of the piston pump, with which a resistance (for example a counterpressure) in the discharge line 108 can be determined against which the piston pump must work.
  • Fig. 2 shows a partial representation of the pump device 106 from Fig. 1.
  • the pump device 106 has a piston pump 131, for example as shown in FIG. 2.
  • the piston pump 131 has a piston 132, which is movable via a rod 133 within a cylinder 134 between a bottom dead center 136 and a top dead center 138. The distance between the bottom dead center 136 and the top dead center 138 corresponds to the piston stroke 140.
  • the pump device 106 is controlled in such a way that fermenter contents 103 (not shown in FIG.
  • Fermenter contents 103 are sucked into the piston pump through the second discharge opening 104 (not shown in FIG. 2), for example as shown in FIG.
  • an entire piston stroke 140 is always absorbed into the piston pump either through the first discharge opening 102 or through the second discharge opening 104.
  • a ratio of fermenter contents, which was received through the first discharge opening 102, relative to the fermenter contents, which was received through the second discharge opening 104, can in this case be adjusted by a corresponding number of piston strokes (for example two piston strokes through the first discharge opening 102 and a piston stroke through the second discharge opening 104 for a ratio of two to one).
  • 3 shows another pumping device 106 in accordance with embodiments of the subject matter disclosed herein.
  • the pump device 106 has a piston pump 131, for example a piston pump 131 as described with reference to FIG. 2.
  • the pump device 106 has a valve arrangement 146, with which an inlet 148 of the piston pump 131 can be fluidly connected to at least one of the first discharge opening 102 and the second discharge opening 104, for example via pipes 150, for example as shown in FIG .
  • the valve assembly 146 is a separate valve assembly.
  • the valve arrangement 146 can be integrated into the piston pump 131.
  • the piston pump may have a first inlet and a second inlet (not shown in FIG. 3), with the first discharge opening 102 being connected to the first inlet and the second discharge opening 104 being connected to the second inlet.
  • the first inlet and the second inlet can each be selectively closed and opened by the valve arrangement in order to thereby determine through which discharge opening 102, 104 fermenter contents are sucked in by the piston pump.
  • FIG. 4 shows a portion of another biogas plant 200 according to embodiments of the subjects disclosed herein.
  • the plug flow fermenter 101 has at least one further discharge opening 152, in addition to the first discharge opening 102 and the second discharge opening 104, for example as shown in FIG. 4.
  • the nature of the removed fermenter contents in the discharge line 108 is adjusted, even if the removed fermenter contents in the discharge line 108 also come from other discharge openings in 152 comes from.
  • reference to the first discharge opening 102 and the second discharge opening 104 does not exclude a further discharge opening 152.
  • a reference to adjusting a quality of the removed fermenter contents in the discharge line 108 by removing fermenter contents through the first discharge opening 102 and the second discharge opening 104 does not include a further adjustment of the quality of the removed fermenter contents in the discharge line 108 by removing fermenter contents through another Discharge opening 152 not.
  • the pumping device 106 is fluidly connected to each of the discharge openings 102, 104, 152, for example via pipes 150, for example as shown in FIG.
  • the pump device 106 and the control device 110 (including their components), the discharge line 108, as well as the relevant connections 116, 150 can also be referred to overall as a discharge system.
  • embodiments of the subjects disclosed herein allow a control and/or regulation of a concentration of impurities in the discharge line 108 by withdrawing fermenter contents from different heights from the fermenter cross section. Accordingly, a uniform concentration of contaminants for the further conveying discharge pipe system can be produced and controlled, in particular by means of the ratio of fermenter contents is removed via a higher discharge opening (lower concentration of impurities), and fermenter contents, which are removed via a deeper discharge opening (higher concentration of impurities).
  • the mixture of fermenter contents, which was removed via the first discharge opening, and fermenter contents, which were removed via the second discharge opening can be realized with partial amounts within one piston stroke of the piston pump or with alternating whole strokes (for example as with reference to Fig . 2 described).
  • an inhomogeneous fermenter content (for example due to non-optimal operation of the fermenter or as a result of difficult material characteristics of the fermentation substrate introduced into the fermenter) can be optimally homogenized with a controlled withdrawal of fermenter content from different heights, for example during a single suction process Piston pump.
  • an inability of the agitator to homogenize the fermenter contents can be compensated for by the extraction process with the discharge system according to embodiments of the objects disclosed herein, and thereby the impurities are uniformly incorporated into a liquid phase of the fermenter contents.
  • Embodiments of the items disclosed herein allow the fermenter contents removed from the fermenter to be reliably conveyed in the discharge line (for example without clogging the discharge line).
  • Embodiments of the items disclosed herein thus allow, in particular, in a commissioning phase, in the event of abrupt seasonal changes Changes in the fermentation substrate introduced into the fermenter, but also in the event of errors in the fermenter management, a reliable removal of fermenter contents from the fermenter into a discharge line.
  • a pumping device as described herein is not limited to the dedicated entities described in some embodiments. Rather, the subjects disclosed herein may be implemented in numerous ways at various granularities while still providing the specific functionality disclosed.
  • any suitable entity e.g., components, units, and devices
  • any suitable entity as described herein may be provided in hardware.
  • some entities may be provided in software while other entities may be provided in hardware.
  • control device contains a processor device which has at least one processor for executing at least one program element, which can correspond to a corresponding software module.
  • a biogas plant comprising a plug flow fermenter with a first discharge opening and a second discharge opening, a pumping device for removing fermenter contents through the first discharge opening and the second discharge opening and discharging the removed fermenter contents into a discharge line; and a control device configured to control withdrawal of fermenter contents through the first discharge port and the second discharge port into the pumping device and thereby a The nature of the removed fermenter contents in the discharge line must be adjusted.
  • a method for operating a biogas plant and a corresponding computer program product control the removal of fermenter contents through the first discharge opening and the second discharge opening in order to thereby adjust the quality of the removed fermenter contents in a discharge line.

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Abstract

L'invention concerne une installation de biogaz présentant un fermenteur à écoulement piston doté d'un premier orifice de sortie et d'un second orifice de sortie, un dispositif de pompage destiné à prélever le contenu du fermenteur par le premier orifice de sortie et par le second orifice de sortie, et à distribuer le contenu de fermenteur prélevé dans une conduite de déversement, et un dispositif de commande, lequel est configuré de manière à commander un prélèvement de contenu de fermenteur par le premier orifice de sortie et par le second orifice de sortie dans le dispositif de pompage et régler ainsi la nature du contenu de fermenteur prélevé, dans la conduite de déversement. L'invention concerne en outre un procédé permettant de faire fonctionner une installation de biogaz et un produit programme d'ordinateur correspondant, lesquels permettent de commander le prélèvement du contenu du fermenteur par le premier orifice de sortie et par le second orifice de sortie, de manière à régler ainsi la nature du contenu du fermenteur dans une conduite de déversement.
PCT/EP2023/059192 2022-04-06 2023-04-06 Système de déversement à étages multiples pour fermenteur à écoulement piston WO2023194550A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022108306.3A DE102022108306A1 (de) 2022-04-06 2022-04-06 Mehrstöckiges Austragssystem für einen Pfropfenstromfermenter
DE102022108306.3 2022-04-06

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WO2023194550A1 true WO2023194550A1 (fr) 2023-10-12

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Citations (12)

* Cited by examiner, † Cited by third party
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WO2006079227A1 (fr) * 2005-01-26 2006-08-03 Kompogas Ag Fermenteur dote d'un melangeur
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