WO2016166213A1 - Procédé et dispositif de mélange d'un substrat - Google Patents

Procédé et dispositif de mélange d'un substrat Download PDF

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Publication number
WO2016166213A1
WO2016166213A1 PCT/EP2016/058229 EP2016058229W WO2016166213A1 WO 2016166213 A1 WO2016166213 A1 WO 2016166213A1 EP 2016058229 W EP2016058229 W EP 2016058229W WO 2016166213 A1 WO2016166213 A1 WO 2016166213A1
Authority
WO
WIPO (PCT)
Prior art keywords
container
substrate
mixing
mixing device
mass
Prior art date
Application number
PCT/EP2016/058229
Other languages
German (de)
English (en)
Inventor
Mathias Schlegel
Maik Orth
Norbert Kanswohl
Original Assignee
Universität Rostock
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 Universität Rostock filed Critical Universität Rostock
Publication of WO2016166213A1 publication Critical patent/WO2016166213A1/fr

Links

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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
    • B01F31/10—Mixers with shaking, oscillating, or vibrating mechanisms with a mixing receptacle rotating alternately in opposite directions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
    • B01F31/70—Drives therefor, e.g. crank mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
    • B01F35/32—Driving arrangements
    • B01F35/32005—Type of drive
    • B01F35/32035—Gravity driven, e.g. by means of weights out of balance or plunger-weights moving in a cylinder
    • 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
    • C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
    • C12M27/10—Rotating vessel

Definitions

  • the present invention relates to a method and apparatus for mixing a substrate.
  • the substrate may be liquid, optionally present with a proportion of solids, or as granules.
  • a substrate which consists of a predetermined proportion of
  • Object of the present invention is to provide a method and a
  • a mixing device for mixing a substrate comprises a container for receiving the substrate to be mixed.
  • the container is in or on the
  • Mixing device arranged such that the container is in operation at a predetermined mass distribution in or on the container is in a first position or position and is displaced depending on a deviating from the predetermined mass distribution mass distribution in or on the container in a different position from the first position or position.
  • the displacement takes place solely as a result of mass displacement in or on the container.
  • the predetermined mass distribution in the operation of the container is dependent on the type of substrate to be mixed and the amount of substrate in the container. According to a preferred
  • the mixing device is adapted to adapt the arrangement of the container to a substrate to be mixed and / or to be mixed amount of the substrate. Alternatively or additionally, it may be provided that during operation the predetermined mass distribution, depending on the type of substrate to be mixed and a
  • predetermined arrangement of the container in or on the mixing device is adjusted based on the filled in the container amount of the substrate.
  • the mixing device further comprises a
  • Mass distribution in or on the container to change - by a mass transfer in or on the container Mass distribution in or on the container to change - by a mass transfer in or on the container.
  • the mixing device finally comprises a control device for controlling the mass displacement device.
  • the control device is set up to control the mass displacement device in such a way that the mass displacement device changes the mass distribution in or on the container in such a way that the container is displaced from the first position to the second position due to a changed mass distribution in or on the container.
  • a container for receiving the substrate is provided.
  • the container is movably arranged such that the container is in operation at predetermined mass distribution in or on the container in a first position and depending on one of the
  • the predetermined mass distribution deviating mass distribution in or on the container is moved to a different position from the first position second position.
  • the first position and / or the second position may be a quasi-stable positions or equilibrium positions in which the container remains as long as the predetermined mass distribution is present in or on the container.
  • the container is to be mixed with the
  • the filling amount is usually determined in such a way that in or on the container, the predetermined mass distribution is achieved.
  • the container may also be first filled with the substrate after provision and then arranged in the manner described above. According to this variant, the achievement of the predetermined mass distribution is ensured in the step of arranging, For example, when a mixing device used to perform the method allows such adjustment in the step of arranging.
  • the container can be locked during filling. In this way it can be avoided that there is a premature displacement of the container, for example by corrugation in the container.
  • a mass distribution in or on the container is changed such that the container is displaced from the first position to the second position.
  • the body is displaced by the mass displacement from the first position by means of a tilting movement in the second position. It is understood that by means of a corresponding mass displacement in the reverse manner a
  • the first and the second position are preferably provided as quasi-stable positions, in which the body stabilizes in each case when the mass distribution in or on the body remains unchanged. This may be achieved, for example, by a suitable arrangement, e.g. a suitable suspension, the body can be achieved relative to its center of gravity.
  • the body is set in a rotational movement by suitably controlled mass displacement from the first position to the second position.
  • the body is rotationally symmetrical and suspended accordingly, in order to avoid a large amount of energy in a preferably to be continuously rotated.
  • the mass transfer device can be formed in various ways. According to a first preferred embodiment, the mass transfer device is as a
  • Level change device is set up to change the level, that is to say the filling level, of the substrate in the container. Due to a changed level of the substrate in the container, a mass displacement occurs in the container, which then leads to the displacement of the container from the first to the second position.
  • the level-changing device may be arranged to change the level of the substrate in the container by adding substrate or at least substrate components, such as water, to the container or draining it from the container. Due to the fact that, with suitably adjusted mass distribution in the container, only a very small amount of substrate has to be supplied or removed in order to bring about the desired effect of displacement of the container from the first to the second position, feeding or discharging adversely affects one small amount of substrate to or from the container, the mixing process practically not. Furthermore, such a loading or unloading of substrate with
  • Level reduction drained substrate can be recycled to increase the level, so that the initially filled in the container amount of substrate is retained.
  • the level change device can be designed as a displacement device.
  • the Displacement device is set up to displace substrate within the container. Also, this can change the level of the substrate in the container; the level of the substrate will increase.
  • the displacement device may comprise at least one expansion device which is set up to expand when being filled with a fluid.
  • the expansion of the expander located inside the container results in displacement of substrate in the container, thereby increasing the level of the substrate in the container and eventually mass shifting in the container.
  • the expansion means in particular, a balloon or the like which can be expanded by gas or the like can be used.
  • Mass displacement device to be configured to cause a mass displacement of the container itself.
  • the mass displacement can be carried out in particular independently of the substrate in the container as well as independently of a level of the Substarts in the container.
  • Container for example, by filling, for example by means of a fluid, and emptying one or more separate chambers of the container. These chambers are different from the chamber of the container, which comprises the substrate.
  • Mass distribution of the container is analogous to a previously described feeding and discharging substrate components to or from the container.
  • a second variant can on the container movable weights or the like to be movably mounted, for example on rails movable weights.
  • Mass displacement device is arranged according to this variant, a displacement of these weights, and thus to effect a mass displacement of the container.
  • the container is arranged such that it can be moved rotatably or tiltably about at least one predetermined axis.
  • a corresponding container may for example comprise at least one pin which is arranged on the container, as a rule hanging on a frame or the like. The pin is arranged on the container such that the container at a predetermined mass distribution associated filling quantity of the substrate is so skewed that already a small mass displacement on or in the
  • Container leads to a tilting or turning of the container.
  • the tilting or turning is usually done about a predetermined axis, which is defined for example by the pin described above.
  • Mixing device a generator for power generation.
  • Mixing device is set up by means of a
  • the container of the mixing device may comprise, inside the container, mixing means supporting the substrate, fixedly mounted on the container or freely movable in the container. As a fixedly mounted on the container mixing devices, for example
  • Shovels, baffles or the like may be provided.
  • free mixing devices in the container are buoyant bodies which can be added to the substrate during operation.
  • the mixing device is arranged according to a particularly preferred embodiment, organic substrate in
  • the container of the mixing device is preferably designed as a hydrolysis or fermenter.
  • a preferred embodiment of a biogas plant according to the invention comprises a mixing device of the type described above.
  • the biogas plant comprises a mixing device, in which the mass displacement device is designed as a displacement device with at least one expansion device.
  • Biogas plant is set up to fill the expansion device with obtained in the context of biogas production, and possibly additionally compressed fluid. In this way, the energy from the fluid produced in the biogas production can be exploited particularly efficiently.
  • Another preferred application is, for example, the Treatment of plants in feed production.
  • FIGS. 1A and 1B show a preferred embodiment of a container of a mixing device according to the invention
  • Figure 2 schematically shows a displacement of the container of Figure 1 from a first to a second position
  • FIG. 3 shows components of a biogas plant with a preferred embodiment of a mixing device according to the invention.
  • FIGS. 1A and 1B a container 10 of a mixing device 50 is shown in FIGS. 1A and 1B.
  • the container 10 is adapted to receive substrate to be mixed in the context of biogas production.
  • the container 10 may be formed, for example, as a hydrolysis tank or as a fermenter.
  • the container 10 is formed circular cylindrical in the example shown. In principle, however, the shape of the container 10 is practically not limited as long as the container 10 is adapted to receive the substrate to be mixed and to be displaced in the manner described below. To an arrangement, ie with reference to the example shown a
  • the pins 12 are, with respect to the circular cross section of the container 10, not arranged diametrically, whereby a first position shown in Figure 1 B can be achieved.
  • a mass displacement in the container 10, which is explained below with reference to Figure 2 then allows a displacement of the container 10 from the first position shown in Figure 1 B in a second position shown in Figure 2 ("Condition 2"), the Displacement in the present example as a
  • Tilting movement takes place about an axis which is predetermined by the longitudinal direction of the two pins 12 (see Fig. 2, state 1 .2).
  • the container 10 can also be arranged or suspended in other ways, for example on only one pin 12 or in another manner. It is preferred if the arrangement of the container 10 in the first position can be achieved such that even a small mass displacement in or on the container 10, measured on the mass of the container 10 in operation, to a shift from the first to the second Position leads. On the one hand, such an arrangement, with known container geometry, known substrate and known filling amount of the substrate to be calculated in a conventional manner. On the other hand, it is possible for a given container 10 to adjust the arrangement by the level of the substrate.
  • the container comprises, as indicated in Figure 2, a
  • Mass transfer device in the form of a
  • the level change device is designed as a displacement device and comprises two
  • Expansion means in the form of two balloons 22. Number, shape and arrangement of the balloons 22 in the container can vary.
  • the balloons 22 are adapted to be filled by a fluid, thereby expanding, as indicated in Figure 2 with respect to the state 1 .1. Draining the fluid allows the
  • Mass displacement tilts the container 10, as shown in Figure 2 with respect to the state 1 .2, from the first, stable position in the arrow direction in the second, stable position, which is referred to in Figure 2 as state 2.
  • the gas can be discharged from the balloons 22 again. Discharge is by the pressure that the substrate 30 on the Balloons 22 exercises, supports.
  • the filling of the balloons 22 with gas or the discharge of gas from the balloons 22 is thereby controlled by a control device (not shown) of the mixing device 50.
  • the control device can, for example, fall back on a current position of the container detected by means of a suitable sensor (not shown). In this way, the controller can detect when a filling with gas or a
  • the container in the positions shown in Figure 2, with states 1 and 2 state, i. in the first and second position, is secured to a further tilting operation, for example by automatically controlled pin locks.
  • a fuse is, for example, for a substrate filling and
  • the mixing device 50 may further include a generator (not shown).
  • This generator can, for example via a suitable transmission, with the container 10 or the pin 12 of the container 10 may be coupled.
  • a tilting movement of the container 10 from the first to the second position (and / or vice versa) may then drive the generator via the transmission.
  • current can be generated in a basically known manner by means of the generator.
  • FIG. 3 shows various components of a biogas plant 100, which comprises a mixing device 50 from FIG.
  • a discharge of fluid generated in the container 10, for example hydrolysis gas usually takes place when the container 10 is in the first position.
  • the gas is supplied through a gas-tight pressure hose 105 a gas pressure accumulator 1 10.
  • a valve in the pressure hose 105 only opens to discharge the gas from the container 10 when a sufficient overpressure is present in the container.
  • the fluid arises from the biodegradation processes themselves, which take place in the container.
  • gas can be passed from the pressure accumulator 1 10 via a compressing compressor 1 15 in another gas pressure accumulator 120.
  • gas for the filling of the balloons 22 preferably gas is used, which in the gas pressure accumulator 1 10 - or the further gas pressure accumulator 120 - is present.
  • the pressure held there should in each case be higher than the hydrostatic pressure prevailing in the interior of the container 10 at the point at which the balloons 22 are arranged, so that a rapid filling of the balloons 22 can take place.
  • the balloons 22 may also be filled by means of a gas which is a separate one
  • Gas accumulator is removed.
  • the introduction of the gas into the balloons 22 and the discharge of the gas from the balloons 22 is subject, as already mentioned, one
  • vented gas can now be depressurized for subsequent use, e.g. combustion in a combined heat and power plant, storage, etc., are supplied.
  • the mixing of the substrate 30 in the container 10 may be additionally assisted by suitable mixing means (not shown) in the container 10, such as blades or baffles fixedly or movably disposed in the container 10, and / or freely movable in the container added, preferably abrasion
  • Buoyancy which preferably have an irregular shape and thereby introduce an additional movement in the substrate to be mixed.

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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)
  • Biomedical Technology (AREA)
  • Biotechnology (AREA)
  • Microbiology (AREA)
  • Sustainable Development (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Molecular Biology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)

Abstract

L'invention concerne un dispositif de mélange (50), destiné à mélanger un substrat (30), qui comprend un récipient (10) destiné à recevoir le substrat (30) à mélanger. Le conteneur est disposé de façon mobile dans ou sur le dispositif de sorte que le récipient (10) est situé dans une première position dans ou sur le récipient (10) pour une distribution de masse prédéterminée et est déplacée dans une seconde position, différente de la première position, dans ou sur le récipient (10) en fonction d'une distribution de masse différente de la distribution de masse prédéterminée. Le dispositif de mélange comprend en outre un dispositif de déplacement de masse qui est adapté pour modifier une distribution de masse dans ou sur le récipient (10), et un moyen de commande destiné à commander le dispositif de déplacement de masse.
PCT/EP2016/058229 2015-04-15 2016-04-14 Procédé et dispositif de mélange d'un substrat WO2016166213A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015105736.0 2015-04-15
DE102015105736.0A DE102015105736B3 (de) 2015-04-15 2015-04-15 Verfahren und Vorrichtung zum Mischen eines Substrates

Publications (1)

Publication Number Publication Date
WO2016166213A1 true WO2016166213A1 (fr) 2016-10-20

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PCT/EP2016/058229 WO2016166213A1 (fr) 2015-04-15 2016-04-14 Procédé et dispositif de mélange d'un substrat

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DE (1) DE102015105736B3 (fr)
WO (1) WO2016166213A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016100527A1 (de) 2016-01-14 2017-07-20 Universität Rostock Herstellung eines Supplementkomplexes, insbesondere für zur Biogaserzeugung verwendbare Biomassen
DE102017114311B3 (de) 2017-06-28 2018-07-12 Universität Rostock Mischvorrichtung und verfahren zum mischen
DE102018127959A1 (de) 2018-11-08 2020-05-14 Reimar Domke Vorrichtung zum Erzeugen einer Drehbewegung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1247538A (en) * 1968-12-11 1971-09-22 Stenberg Flygt Ab Metering apparatus
WO2008153401A1 (fr) * 2007-06-15 2008-12-18 Cellution Biotech B.V. Bioréacteur flexible amélioré
WO2012128703A1 (fr) * 2011-03-18 2012-09-27 Ge Healthcare Bio-Sciences Ab Sac flexible pour cultiver des cellules

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2169813B (en) * 1984-12-19 1988-06-02 Blackwall Products Limited Compost-making apparatus and method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1247538A (en) * 1968-12-11 1971-09-22 Stenberg Flygt Ab Metering apparatus
WO2008153401A1 (fr) * 2007-06-15 2008-12-18 Cellution Biotech B.V. Bioréacteur flexible amélioré
WO2012128703A1 (fr) * 2011-03-18 2012-09-27 Ge Healthcare Bio-Sciences Ab Sac flexible pour cultiver des cellules

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Publication number Publication date
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