WO2011107399A2 - Cuve avec mélangeur - Google Patents

Cuve avec mélangeur Download PDF

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Publication number
WO2011107399A2
WO2011107399A2 PCT/EP2011/052795 EP2011052795W WO2011107399A2 WO 2011107399 A2 WO2011107399 A2 WO 2011107399A2 EP 2011052795 W EP2011052795 W EP 2011052795W WO 2011107399 A2 WO2011107399 A2 WO 2011107399A2
Authority
WO
WIPO (PCT)
Prior art keywords
container
agitator
channel
digester
drive
Prior art date
Application number
PCT/EP2011/052795
Other languages
German (de)
English (en)
Other versions
WO2011107399A3 (fr
Inventor
Roland Lipp
Original Assignee
Roland Lipp
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 Roland Lipp filed Critical Roland Lipp
Publication of WO2011107399A2 publication Critical patent/WO2011107399A2/fr
Publication of WO2011107399A3 publication Critical patent/WO2011107399A3/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C3/00—Treating manure; Manuring
    • A01C3/02—Storage places for manure, e.g. cisterns for liquid manure; Installations for fermenting manure
    • A01C3/026—Storage places for manure, e.g. cisterns for liquid manure; Installations for fermenting manure with mixing or agitating devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/113—Propeller-shaped stirrers for producing an axial flow, e.g. shaped like a ship or aircraft propeller
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/86—Mixing heads comprising a driven stirrer
    • B01F33/862—Mixing heads comprising a driven stirrer the stirrer being provided with a surrounding stator
    • 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
    • C12M27/02—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
    • C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
    • C12M27/18—Flow directing inserts
    • C12M27/22—Perforated plates, discs or walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • B01F27/61—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis about an inclined axis

Definitions

  • the invention relates to a container for the material conversion of organic substances, in particular a digester, a hydrolysis or a mixing vessel with a stirrer.
  • Such containers are known from use in agricultural biogas plants and municipal sewage treatment plants.
  • organic wastes linger on average for several days at a temperature above ambient temperature, for example, about 35 ° C.
  • a stirrer is present, which is operated at intervals or continuously to adjust a uniform temperature distribution in the digester and to distribute newly introduced waste evenly in the digester.
  • the agitator also serves to evenly supply nutrients to the bacteria contained in the digester, to prevent the formation of layers, in particular to destroy the continuing to form floating and sinking layers, and to release the gas bubbles in deeper layers
  • Mud particles are bound.
  • the resulting biogas can be stored in a container.
  • a mixing device for liquid-filled containers is known from DE 94 04 188 Ul.
  • a permanently connected to a guide by means of a circulating unit ⁇ Hebevor- direction along and outside of a bottom of the container be ⁇ strengthened guide tube lowered into the container and raised.
  • the distance between the guide tube and the wall of the container is dimensioned so that the circulation device has the necessary for their undisturbed function suction and radial clearances.
  • the container according to the invention for the material conversion of organic substances shows a peripheral wall and an agitator with a drive axle.
  • the agitator with the Antriebsach ⁇ se is at least partially disposed in a Rlickwerkkanal.
  • a drive-side opening of the agitator channel is arranged above half the standard filling height of the digester.
  • Under a container for the material conversion of organic substances in this context in particular a container for use in a biogas plant such.
  • the material conversion can consist in a microbial degradation of the organic substances used; As already mentioned, mixing of the organic substances should also be included in the term "material conversion”.
  • the agitator duct runs from the outer region of the container on a circumferential wall in the direction of the inner region of the container; that orifice of the agitator channel to which usually a drive, such as an electric motor, is arranged, is advantageously above half or even the full standard level of the container.
  • Said opening is used as the usual ⁇ to perform maintenance on the individual components of the agitator, such as bearings, propellers or you ⁇ obligations. In the case of maintenance, it is thus replaced by the inventive arrangement no longer necessary to empty the container completely, since the corresponding assemblies can be removed by the said outer opening of the agitator channel upwards without th organic substances leak.
  • agitator channel is a variety of possible cross-sections in question; For example, it may be appropriate to use a cylindrical tube as agitator channel. This tube can be manufactured at ⁇ game as stainless steel, whereby an increased robustness in chemically aggressive environments it is ensured in a container. As a cheaper alternative comes here also galvanized steel in question.
  • the drive axle may be disposed in a direction different from the Horizonta ⁇ len particular angle, that is, the typically coaxial or parallel to the drive axis duri ⁇ Fende Rrockwerkkanal the outer wall may, for example, obliquely penetrate from top to bottom.
  • the Rlickwerkkanal may have a Ansaugöff ⁇ voltage for sucking the organic substances in the interior of the container. In the simplest case, it is at this suction port to an opening in the Rlickwerkkanal itself, which is aligned in the direction of the filling ⁇ standing surface of the organic substances, so that organic substances from the upper region of the container downwardly into the Rlickwerkkanal (during the operation of the agitator) be sucked away.
  • the orientation of the suction opening upwards ensures that, in particular, organic substances from the region of an undesirable floating cover are sucked through the agitator and conveyed into the lower, moist and liquid regions. be promoted so that there is a better mixing of the organic substances contained in the container.
  • the ge ⁇ called suction port with a line extending within the container upwardly in the direction of the level surface funnel-shaped suction device may be provided.
  • a suction device can ensure that the upper regions of the organic material are supplied to the agitator more efficiently.
  • said intake opening may be provided with a feed line which has a movable, the opening of the agitator channel facing away from the mouth.
  • the supply line may be a flexible hose or a movable pipe. This measure has the effect that more areas of the floating ceiling can be sucked in by the stirring ⁇ factory, so that not only the agitator immediately adjacent areas of a floating ceiling can be resolved.
  • the agitator can be provided with a propeller or a screw conveyor.
  • a screw conveyor which in particular ⁇ sondere extends into the region of the aforementioned Ansaugöff ⁇ voltage in the Rrockwerkkanal, this has the advantage that the organic substances can be more effectively promoted in the Rrockwerkkanal.
  • a combination of screw conveyor in the interior of the agitator channel and a propeller in the region of the interior of the container facing the outlet opening of the agitator channel is conceivable. This combination has the Effect that the screw conveyor on the one hand promotes the organic Sub ⁇ punching efficiently through the agitator channel and the Pro ⁇ peller ensures sufficient acceleration of the organic substances in order to ensure a thorough mixing through the entire interior of the container.
  • the mixing behavior and the flexibility of the container according to the invention can be further improved in that on the one hand the agitator channel is at least partially pivotable and on the other hand or in addition to the interior of Be ⁇ container facing the end of the agitator channel is provided with a nozzle-shaped outlet opening.
  • the pivotability of the Rlickwerkkanals can for example be achieved by DA, that the total Rlickwerkkanal is formed ver ⁇ pivotable.
  • only the end of the agitator channel facing the interior of the container may also be designed as a flexible piece of tubing or pivotable piece of tubing, so that optionally different regions of the interior of the container can be actuated.
  • the agitator channel described above does not necessarily have to run inside the container; in a simple variant of the invention, only the drive shaft, for example provided with a propeller at its end, extends into the interior of the container.
  • the agitator can be driven, in particular, by arranging a drive unit of the agitator on the drive axle, for example, at the end of the agitator channel located in the outer region of the container.
  • the drive unit is well accessible for maintenance;
  • the drive unit may be an electric motor act.
  • the electric motor In an arrangement of the electric motor in the upper area outside the container is to be considered, however, that the electric motor must be designed for this - marked as Ex zone - area.
  • a safety attractive variant to the use of an electric motor is the use of a Hyd ⁇ raulikmotors within the hazardous area.
  • the hydraulic motor can be connected via a hydraulic and a hydraulic discharge with a located at a virtually arbitrary location hydraulic pump or a hydraulic pressure accumulator.
  • a hydraulic and a hydraulic discharge with a located at a virtually arbitrary location hydraulic pump or a hydraulic pressure accumulator.
  • a kind of annular flow is formed from ⁇ during operation of the stirring ⁇ factory total in the container, which in a particularly good mixing of the organic substances in the container leads.
  • fresh organic material is supplied to the interior of the container directly via the agitator itself.
  • a feed opening for organic substances on the agitator channel outside the container angeord ⁇ net which can be supplied by means of a pump or screw conveyor with fresh organic material in solid, pasty or liquid form.
  • the fresh organic material past the suction opening of the agitator channel are conveyed in the direction of the outlet opening.
  • the fresh organic material can be accelerated from a propeller arranged in the region of the outlet opening in the direction of the interior of the container into the inner regions of the organic substances already present in the container. It may be advantageous if the already sucked through the intake ⁇ opening into the Rrockwerkkanal in the interior of the container already present organic substances entrain the fresh organic material and already mix in the agitator with this.
  • the suction ⁇ opening closable can be achieved for example by the use of an externally operable slide.
  • a slide could also be made a partial closing of the suction during filling of the system. This would allow adjustments to be made to different consistencies or types of fresh organic matter.
  • Fig. 2 is a plan view of the device according to the invention.
  • FIG. 3 shows a schematic vertical section through a variant of the device according to the invention
  • 4 is a plan view of the variant shown in Figure 3
  • Figure 11 is a vertical section to a further execution ⁇ of the invention.
  • Fig. 12 is a plan view in Fig. 11 shown from ⁇ guide die
  • Figure 13 is a vertical section of a further execution ⁇ form of the invention.
  • Figure 14 is a plan view of the embodiment shown in Fig. 13 from ⁇ guide die.
  • Fig. 1 shows a vertical section through a first embodiment ⁇ example of the device according to the invention.
  • On the digester 1 is arranged on a peripheral wall 11 of the agitator channel 6 obliquely from top to bottom piercing.
  • the agitator ⁇ channel 6 is mounted in the upper region of the peripheral wall 11 in such a way that the drive-side opening 13 of the agitator channel 6 above the floating ceiling 5 in the interior of the digester 1 arranged organic substances is arranged.
  • the opening 13 is above the standard filling height h 'and also above half the height h of the circumferential wall.
  • the drive unit 4 in the example shown an electric motor, is arranged on the drive axle 8 via a flange 2.
  • the drive shaft 8 is positioned by the centering element 3 in the agitator channel 6 designed as a tube.
  • the centering element 3 can be designed in particular as a disk-shaped or spoke-shaped element, which is arranged on the inner wall of the tubular agitator channel 6 in a spring-loaded, self-centering manner.
  • the arrangement shown allowed ⁇ light it particular, the assembly of the drive unit 4, An ⁇ driving axle 8, centering element 3 and the agitator constructed as in the present example as a propeller 10 after loosening of the flange 2akuzu ⁇ simply pull outwardly from the Rlickwerkkanal 6 to To carry out maintenance work in a simple manner. Also visible in FIG.
  • the funnel-shaped suction device 7 which is arranged on the suction opening 9 and extends in the direction of the floating cover 5. It ensures an efficient suction of the floating cover 5, which is illustrated by the arrows not shown in the figure.
  • the organic substances in the agitator channel 6 are accelerated in the direction of the outlet opening 12 by the agitator 10 designed as a rotating propeller and leave it in the direction of the middle or lower layers of the digester 1 organic substances.
  • FIG. 2 shows the arrangement of FIG. 1 in a top view. Corresponding components are marked with corresponding modeszei ⁇ chen. It can be clearly seen from FIG. 2 that the extended horizontal projection of the drive axle 8 extends outside of a central region 14 of the digester 1. hereby is, as already mentioned above, achieved that adjusts an annular flow during operation of the device according to the invention in the circular in the example shown digester 1.
  • a further variant of the invention is also shown in a schematic vertical cross-section.
  • the suction port 9 is realized only as a recess in the tubular agitator channel 6 as shown in FIG.
  • the exit opening 'as the nozzle-shaped opening is madebil ⁇ det 12th In this way, an efficient acceleration of the orga ⁇ African substances is achieved in the direction of the interior of the digester. 1
  • Fig. 4 shows the already arranged in Fig. 3 as a cross-section device in a plan view.
  • the device according to the invention once again in the overall context arranged on a digester 1 is shown. On a designation of those modules of the digester 1, which are not in direct operative connection with the agitator according to the invention was omitted.
  • Well recognizable in Fig. 5 is the formation of the components of drive unit 4, the flange 2, the drive shaft 8 and stirrer 10 as a structural A ⁇ integrated, which can be as a complete assembly from the Rrockwerkkanal 6 Gezo ⁇ gene, whereby any maintenance work is greatly simplified can.
  • FIGS. 6 and 7 show variants for the design of the agitator channel.
  • the agitator channel 6 extends only outside the Faulbenzol ⁇ ters 1 and is flanged on the outside thereof.
  • the on ⁇ drive shaft 8 extends, at the end of a propeller is arranged as part of the stirrer ⁇ plant 10.
  • Fig. 8 an embodiment is shown, which ensures a further ⁇ going pivotability of the agitator channel 6.
  • the agitator channel 6 is arranged on the outside of the digester 1 on a substantially round screw cap 14 on a flange 15. After loosening the screws not designated in the figure 1 can Rlickwerkkanal about a horizontal and normal to the outer wall of the Faulbenzol- ters 1 extending axis is again rotated to be screwed, so that a certain adjustability of the orientation of the stirring ⁇ factory channel 6 results.
  • FIG. 11 shows a vertical section to a further embodiment of the invention, in which the agitator channel 6 is guided obliquely through a cover 16 of the container 1. Also in the case ⁇ sem is the drive-side opening 13 outside the interior space of the container 1.
  • Fig. 12 shows a plan view ⁇ again the arrangement of the apparatus of the invention for this embodiment. Clearly visible in Figure 12 is the rounded design of the suction device 7, which may be advantageous both fluidically and in terms of cleaning aspects;
  • FIG. 13 shows a further variant of the invention, in which the agitator channel 6 is guided approximately perpendicularly through the lid 16 of the container 1.
  • the agitator channel 6 is guided approximately perpendicularly through the lid 16 of the container 1.
  • dashed lines are possible designs of the end portion of the stirring ⁇ factory channel 6, with which a respective desired stirring effect he can be ⁇ ranges.
  • the embodiments shown of the end portion of the agitator channel 6 can be achieved for example by a flexible, so bendable or deformable design of the relevant section; This is also conceivable for all other embodiments shown.
  • Fig. 14 shows the vertical section ge Service ⁇ already te in Fig. 13 apparatus in a plan view.

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Organic Chemistry (AREA)
  • Genetics & Genomics (AREA)
  • General Health & Medical Sciences (AREA)
  • Biotechnology (AREA)
  • Microbiology (AREA)
  • Sustainable Development (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Soil Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Molecular Biology (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Environmental Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Processing Of Solid Wastes (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
  • Treatment Of Sludge (AREA)

Abstract

Cuve (1) destinée à la transformation chimique de substances organiques, comportant une paroi périphérique et un mélangeur (10) doté d'un axe d'entraînement (8), le mélangeur (10) doté d'un axe d'entraînement (8) étant au moins partiellement disposé dans un conduit de mélangeur (6), une ouverture (13) côté entraînement du conduit de mélangeur (6) étant ménagée au-dessus de la moitié de la hauteur de remplissage standard (h') du digesteur (1).
PCT/EP2011/052795 2010-03-01 2011-02-25 Cuve avec mélangeur WO2011107399A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102010002461.9 2010-03-01
DE102010002461A DE102010002461A1 (de) 2010-03-01 2010-03-01 Faulbehälter mit Rührwerk
DE202010015332.8 2010-11-12
DE202010015332U DE202010015332U1 (de) 2010-03-01 2010-11-12 Behälter mit Rührwerk

Publications (2)

Publication Number Publication Date
WO2011107399A2 true WO2011107399A2 (fr) 2011-09-09
WO2011107399A3 WO2011107399A3 (fr) 2011-12-01

Family

ID=43571526

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/052795 WO2011107399A2 (fr) 2010-03-01 2011-02-25 Cuve avec mélangeur

Country Status (2)

Country Link
DE (2) DE102010002461A1 (fr)
WO (1) WO2011107399A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012104320A1 (de) * 2012-05-18 2013-11-21 Edwin Bailer Faulbehältereinheit
DE102013018725A1 (de) 2013-11-08 2015-05-13 Wusoa Gmbh Bionisches Rührwerk

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9404188U1 (de) 1994-03-12 1994-06-01 Ksb Aktiengesellschaft, 67227 Frankenthal Mischeinrichtung für flüssigkeitsgefüllte Behälter
DE19756485C2 (de) 1997-12-18 1999-12-23 Xaver Lipp Faulbehälter mit Rührwerk und Verfahren zum Betreiben eines Rührwerks in einem Faulbehälter

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1783470U (de) * 1958-09-13 1959-02-19 Eduard Mayer Jauche-ruehrvorrichtung.
US3078999A (en) * 1959-06-18 1963-02-26 Earl M Kelly Sludge digester
AT241276B (de) * 1963-05-20 1965-07-12 Bauer Roehren Pumpen Misch- und Förderpumpe
EP0008462B1 (fr) * 1978-08-24 1981-06-24 Anton Reck Aérateur-malaxeur de liquides
US4329069A (en) * 1980-07-14 1982-05-11 Graham Scott W Manure pit stirring system
US4836687A (en) * 1986-04-16 1989-06-06 Oliver A. Kardoes Waste pit stirrer
US4732682A (en) * 1986-11-03 1988-03-22 Poscon, Inc. Aeration apparatus and method
DE202004005331U1 (de) * 2004-04-03 2004-06-03 Eckart, Gerhard Rührwerk
DE102004027077B4 (de) * 2004-06-02 2007-05-31 Schmack Biogas Ag Beheizbares Rührwerk für Fermentationsbehälter
DE102008006813A1 (de) * 2008-01-31 2009-08-06 Lehmann Maschinenbau Gmbh Rührvorrichtung vorzugsweise für Biogasanlagen

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9404188U1 (de) 1994-03-12 1994-06-01 Ksb Aktiengesellschaft, 67227 Frankenthal Mischeinrichtung für flüssigkeitsgefüllte Behälter
DE19756485C2 (de) 1997-12-18 1999-12-23 Xaver Lipp Faulbehälter mit Rührwerk und Verfahren zum Betreiben eines Rührwerks in einem Faulbehälter

Also Published As

Publication number Publication date
DE202010015332U1 (de) 2011-02-10
DE102010002461A1 (de) 2011-09-01
WO2011107399A3 (fr) 2011-12-01

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