EP0000293B1 - Appareil et méthode pour la digestion anaérobe de déchets biodégradables - Google Patents

Appareil et méthode pour la digestion anaérobe de déchets biodégradables Download PDF

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Publication number
EP0000293B1
EP0000293B1 EP78300116A EP78300116A EP0000293B1 EP 0000293 B1 EP0000293 B1 EP 0000293B1 EP 78300116 A EP78300116 A EP 78300116A EP 78300116 A EP78300116 A EP 78300116A EP 0000293 B1 EP0000293 B1 EP 0000293B1
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EP
European Patent Office
Prior art keywords
gas
tank
arm
mixing assembly
holding member
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.)
Expired
Application number
EP78300116A
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German (de)
English (en)
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EP0000293A1 (fr
Inventor
George Maxwell Rippon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Biomechanics Ltd
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Biomechanics Ltd
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Filing date
Publication date
Application filed by Biomechanics Ltd filed Critical Biomechanics Ltd
Publication of EP0000293A1 publication Critical patent/EP0000293A1/fr
Application granted granted Critical
Publication of EP0000293B1 publication Critical patent/EP0000293B1/fr
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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/1278—Provisions for mixing or aeration of the mixed liquor
    • C02F3/1284—Mixing 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
    • B01F27/15—Stirrers with tubes for guiding the material
    • 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
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2331—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements
    • 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
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2331—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements
    • B01F23/23311—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements through a hollow stirrer axis
    • 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
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2331—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements
    • B01F23/23314—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements through a hollow stirrer element
    • 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
    • B01F23/2366—Parts; Accessories
    • B01F23/2368—Mixing receptacles, e.g. tanks, vessels or reactors, being completely closed, e.g. hermetically closed
    • 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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/20—Activated sludge processes using diffusers
    • C02F3/205—Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/28—Anaerobic digestion processes
    • 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
    • B01F27/112—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades
    • B01F27/1125—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades with vanes or blades extending parallel or oblique to the stirrer axis
    • 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
    • B01F27/13—Openwork frame or cage stirrers not provided for in other groups of this subclass
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Microbiology (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Sludge (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Processing Of Solid Wastes (AREA)

Claims (8)

1. Méthode de traitement de déchets biodégradables par digestion anaérobie dans un récipient clos verticalement cylindrique, selon laquelle on évite le dépôt et le compactage de boue sur le fond du récipient en faisant tourner au moins un bras de distribution de gaz à partir duquel un gaz est émis en une pluralité de positions le long dudit bras, caractérisée en ce que le gaz est fourni à partir d'une sortie d'un conduit d'alimentation en gaz à un élément de retenue de gaz qui est disposé au voisinage de la base du récipient et qui présente une surface inférieure ouverte, et en ce que le gaz passe depuis l'élément de retenue. de gaz jusqu'a un bras ou des bras de distribution de gaz pendant la rotation d'un ensemble de mélange qui comporte à la fois l'élément de retenue de gaz et le bras ou les bras de distribution de gaz.
2. Appareil pour la digestion anaérobie de déchets comprenant un récipient clos verticalement cylindrique (1) comportant un axe central, et un ensemble de mélange (4) disposé dans le récipient (1) et au voisinage de la base du récipient (1) de façon à pouvoir tourner autout de l'axe central du récipient (1), l'ensemble de mélange (4) comprenant un bras de distribution de gaz (9) qui est disposé radialement par rapport à l'axe central et comporte des ouvertures d'échappement (10) espacées le long du bras (9) pour délivrer du gaz à différentes distances radiales le long du bras, caractérisé en ce que l'appareil comporte un conduit d'alimentation en gaz (12) comportant une sortie (13) disposée au voisinage de ta base du récipient (1), et en ce que l'ensemble de mélange (4) comporte de plus un élément de retenue de gaz annulaire (8) qui comporte une surface inférieure ouverte définissant un anneau concentrique audit axe central, une partie de l'anneau défini par l'élément de retenue de gaz (8) étant placée au-dessus de la sortie (13) du conduit d'alimentation en gaz (12).
3. Appareil selon la revendication 2, caractérisé en ce que le poids de l'ensemble de mélange (4) est supporté par des paliers disposés au-dessus du niveau du liquide en traitement dans le récipient (1).
4. Appareil selon la revendication 2 ou la revendication 3, caractérisé en ce que l'ensemble de mélange (4) comporte de plus des tubes d'aspiration de gaz (23) montés sur le bras de distribution de gaz (9) pour recevoir le gaz du bras (9)? chaque tube d'aspiration de gaz (23) comprenant une portion verticale (23a) reliée par un coude à angle droit (23b) à une portion horizontale (23c) et constituant un dispositif d'entraînement pour donner un mouvement de rotation autour de l'axe central audit ensemble de mélange (4).
5. Appareil selon la revendication 4, caractérisé en ce que chaque tube d'aspiration de gaz (23) comporte deux portions horizontales (23c, 23d) reliées par des coudes à angle droit aux extrémités opposées de la position verticale (23a).
6. Appareil selon la revendication 2 ou la revendication 3, caractérisé en ce que l'ensemble de mélange (4) comporte de plus des tubes d'aspiration de gaz (23) montés sur le bras de distribution de gaz (9) pour recevoir le gaz provenant du bras (9) et comportant une portion verticale pourvue intérieurement d'une turbine de propulsion et des moyens reliant la sortie de ladite turbine à des roues d'entraînement individuelles qui supportent le bras de distribution de gaz.
7. Appareil selon la revendication 2 ou la revendication 3, caractérisé en ce que l'ensemble de mélange est supporté par des paliers sur une plate-forme (30) logée dans le réservoir (1) au-dessus du niveau du liquide dans ce réservoir (1).
8. Appareil selon la revendication 3, caractérisé en ce que l'ensemble de mélange est entraîné par des moyens comprenant un élément rotatif (31) placé dans le récipient (1) au-dessus du niveau du liquide dans ledit récipient (1), un moteur (36) disposé à l'extérieur du récipient (1) et relié à l'élément rotatif (31) par des moyens permettant au moteur (36) d'entraîner l'élément rotatif (31 et une cage de transmission de couple (34) suspendue à l'élément rotatif (31) et portant l'ensemble de mélange (4).
EP78300116A 1977-07-05 1978-07-04 Appareil et méthode pour la digestion anaérobe de déchets biodégradables Expired EP0000293B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB28183/77A GB1600283A (en) 1977-07-05 1977-07-05 Apparatus for anaerobic digestion of biodegradable waste material
GB2818377 1977-07-05

Publications (2)

Publication Number Publication Date
EP0000293A1 EP0000293A1 (fr) 1979-01-10
EP0000293B1 true EP0000293B1 (fr) 1982-06-02

Family

ID=10271605

Family Applications (1)

Application Number Title Priority Date Filing Date
EP78300116A Expired EP0000293B1 (fr) 1977-07-05 1978-07-04 Appareil et méthode pour la digestion anaérobe de déchets biodégradables

Country Status (10)

Country Link
US (1) US4179220A (fr)
EP (1) EP0000293B1 (fr)
JP (1) JPS5439961A (fr)
AU (1) AU519474B2 (fr)
CA (1) CA1091369A (fr)
DE (1) DE2861875D1 (fr)
ES (1) ES471481A1 (fr)
GB (1) GB1600283A (fr)
IN (1) IN149944B (fr)
IT (1) IT1111486B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3324072A1 (de) * 1982-07-05 1984-01-05 Wilhelm von der Dr.-Ing. 1040 Wien Emde Vorrichtung zur anaeroben abwasserreinigung
WO2007140744A1 (fr) 2006-06-08 2007-12-13 Johan Verink Dispositif de traitement des eaux usées et installation équipée d'un tel dispositif

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DE2827996A1 (de) * 1978-06-26 1980-01-17 Stengelin Volker Vorrichtung zur biologischen reinigung von abwasser
JPS58125014U (ja) * 1982-02-18 1983-08-25 呉羽化学工業株式会社 パリソン反転供給装置
JPS58125876U (ja) * 1982-02-18 1983-08-26 ソニー株式会社 発振周波数検出回路
DE3379059D1 (en) * 1982-10-19 1989-03-02 Secr Defence Brit Organometallic chemical vapour deposition of films
GB8827302D0 (en) * 1988-11-23 1988-12-29 Nytek As Mixing device
JP3253212B2 (ja) * 1993-03-31 2002-02-04 関西化学機械製作株式会社 攪拌翼および攪拌方法
US5785424A (en) * 1993-04-30 1998-07-28 Kansai Chemical Engineering Co. Ltd. Agitator blade having agitators with open first and second ends and inner fabrics therein
US5863119A (en) * 1996-07-03 1999-01-26 J. R. Simplot Company Apparatus for mixing a slurry within a bioreactor vessel
US6207055B1 (en) 1997-06-16 2001-03-27 Idaho Research Foundation, Inc. Method and apparatus for forming a slurry
EP0916390B1 (fr) 1997-11-14 2002-12-11 Kansai Chemical Engineering Co. Ltd Dispositif et méthode d'éjection de liquide
ATE228561T1 (de) 1998-10-09 2002-12-15 Unilever Nv Wasserenthärtungs- und waschmittelzusammensetzungen
AU3427899A (en) * 1998-10-12 2000-05-01 Petrojet International Hydrodynamic stirring device and jet pipe
CA2298879C (fr) 1999-02-22 2004-09-14 Hideo Noda Appareil d'ejection liquide et methode d'ejection liquide
DE10127228B4 (de) * 2001-05-22 2005-03-03 Xaver Lipp Vorrichtung und Verfahren zum Gären organischer Substanzen
US8366312B1 (en) * 2006-08-01 2013-02-05 United Services Automobile Association (Usaa) Systems to store and agitate fuel
US20100110824A1 (en) * 2007-05-18 2010-05-06 Kabushiki Kaisha Teikoku Denki Seisakusho Dispersion/stirring apparatus and dispersion tank
GB2457681B (en) * 2008-02-21 2013-02-27 Farm Renewable Enviromental Energy Ltd A gas actuated mixing system
WO2012015833A1 (fr) 2010-07-27 2012-02-02 WISErg Corporation Procédés et systèmes pour le traitement de matières organiques
US9181138B2 (en) 2013-03-12 2015-11-10 WISErg Corporation Methods and systems for stabilizing organic material
ITUB20152949A1 (it) * 2015-08-06 2017-02-06 Sms Meer Spa Impianto e metodo di degasaggio sottovuoto dell?acciaio liquido
DK3456408T3 (da) * 2017-09-13 2020-10-26 Depuracion Biologica Y Bacteriologica De Aguas Residuales S L Anlæg til rensning af gylle
US20190084896A1 (en) * 2017-09-15 2019-03-21 Daniel T. Scott Aerobic Composting System
CN109433795A (zh) * 2018-11-06 2019-03-08 济源市众帮环境保洁有限公司 一种有机垃圾处理设备系统
CN110756096A (zh) * 2019-11-28 2020-02-07 耒阳市旗心电子科技有限公司 一种电子产品生产用物料分散设备
US11731551B1 (en) 2022-04-27 2023-08-22 Modology Design Group Systems and methods for an automatic modular housing delivery system

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US4100610A (en) * 1975-12-23 1978-07-11 John Blue Company Division Of Subscription Television, Inc. Rotating nozzle sparging system for suspension fertilizer tanks
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3324072A1 (de) * 1982-07-05 1984-01-05 Wilhelm von der Dr.-Ing. 1040 Wien Emde Vorrichtung zur anaeroben abwasserreinigung
WO2007140744A1 (fr) 2006-06-08 2007-12-13 Johan Verink Dispositif de traitement des eaux usées et installation équipée d'un tel dispositif

Also Published As

Publication number Publication date
AU3778678A (en) 1980-01-10
JPS6152758B2 (fr) 1986-11-14
CA1091369A (fr) 1980-12-09
DE2861875D1 (en) 1982-07-22
IT7868566A0 (it) 1978-07-04
AU519474B2 (en) 1981-12-03
IT1111486B (it) 1986-01-13
ES471481A1 (es) 1980-12-01
US4179220A (en) 1979-12-18
JPS5439961A (en) 1979-03-28
EP0000293A1 (fr) 1979-01-10
IN149944B (fr) 1982-06-12
GB1600283A (en) 1981-10-14

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