EP0177838A3 - Device for introducing flocculants into sludge inside the loading chamber of a centrifuge - Google Patents

Device for introducing flocculants into sludge inside the loading chamber of a centrifuge Download PDF

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Publication number
EP0177838A3
EP0177838A3 EP85112142A EP85112142A EP0177838A3 EP 0177838 A3 EP0177838 A3 EP 0177838A3 EP 85112142 A EP85112142 A EP 85112142A EP 85112142 A EP85112142 A EP 85112142A EP 0177838 A3 EP0177838 A3 EP 0177838A3
Authority
EP
European Patent Office
Prior art keywords
flocculants
centrifuge
introducing
loading chamber
sludge inside
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.)
Granted
Application number
EP85112142A
Other languages
German (de)
Other versions
EP0177838B1 (en
EP0177838A2 (en
Inventor
Stephan Clasgens
Heinz Kulle
Reinhold Dr. Schilp
Wolfgang Epper
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.)
Kloeckner Humboldt Deutz AG
Original Assignee
Kloeckner Humboldt Deutz AG
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 Kloeckner Humboldt Deutz AG filed Critical Kloeckner Humboldt Deutz AG
Publication of EP0177838A2 publication Critical patent/EP0177838A2/en
Publication of EP0177838A3 publication Critical patent/EP0177838A3/en
Application granted granted Critical
Publication of EP0177838B1 publication Critical patent/EP0177838B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
    • B04B1/20—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B11/00—Feeding, charging, or discharging bowls
    • B04B11/02—Continuous feeding or discharging; Control arrangements therefor
EP85112142A 1984-10-10 1985-09-25 Device for introducing flocculants into sludge inside the loading chamber of a centrifuge Expired - Lifetime EP0177838B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3437157 1984-10-10
DE3437157 1984-10-10
DE3444349 1984-12-05
DE19843444349 DE3444349A1 (en) 1984-10-10 1984-12-05 DEVICE FOR ADDING FLOCCULATORS INTO THE SLUDGE WITHIN THE INLET CHAMBER OF A CENTRIFUGE

Publications (3)

Publication Number Publication Date
EP0177838A2 EP0177838A2 (en) 1986-04-16
EP0177838A3 true EP0177838A3 (en) 1987-10-28
EP0177838B1 EP0177838B1 (en) 1990-05-09

Family

ID=25825520

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85112142A Expired - Lifetime EP0177838B1 (en) 1984-10-10 1985-09-25 Device for introducing flocculants into sludge inside the loading chamber of a centrifuge

Country Status (3)

Country Link
EP (1) EP0177838B1 (en)
DE (2) DE3444349A1 (en)
FI (1) FI853805L (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5374234A (en) * 1990-03-13 1994-12-20 Alfa-Laval Separation A/S Decanter centrifuge with energy dissipating inlet
DK170967B1 (en) * 1990-03-13 1996-04-09 Alfa Laval Separation As decanter centrifuge
US6561965B1 (en) 2000-10-20 2003-05-13 Alfa Laval Inc. Mist pump for a decanter centrifuge feed chamber
DE102004057861A1 (en) * 2004-11-30 2006-06-01 Siebtechnik Gmbh Inlet pipe for a centrifuge, comprises an inner end which joins the delivery area of the rotating centrifuge, and a carrier section
CN110550712B (en) * 2019-08-27 2022-03-22 济南林源环保工程有限公司 Sewage treatment flocculating agent rapid mixing equipment

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1101301B (en) * 1957-08-23 1961-03-02 Krauss Maffei Ag Method and device for thickening sludge, in particular sewage sludge, which contains constituents that are difficult to sediment, by centrifugation using a flocculant
DE1215606B (en) * 1963-01-31 1966-04-28 Beteiligungs & Patentverw Gmbh Device for mixing flocculants with slurries in settling centrifuges
US3471081A (en) * 1967-12-21 1969-10-07 Ametek Inc Acid feed pipe
US4052303A (en) * 1972-12-11 1977-10-04 Krauss-Maffei Ag Method of operating a centrifugal filter and a filter centrifuge operating according to this method
DE2822533A1 (en) * 1977-05-24 1978-12-07 Broadbent & Sons Ltd Thomas SOLID FULL CASE DECANTING CENTRIFUGE

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1101301B (en) * 1957-08-23 1961-03-02 Krauss Maffei Ag Method and device for thickening sludge, in particular sewage sludge, which contains constituents that are difficult to sediment, by centrifugation using a flocculant
DE1215606B (en) * 1963-01-31 1966-04-28 Beteiligungs & Patentverw Gmbh Device for mixing flocculants with slurries in settling centrifuges
US3471081A (en) * 1967-12-21 1969-10-07 Ametek Inc Acid feed pipe
US4052303A (en) * 1972-12-11 1977-10-04 Krauss-Maffei Ag Method of operating a centrifugal filter and a filter centrifuge operating according to this method
DE2822533A1 (en) * 1977-05-24 1978-12-07 Broadbent & Sons Ltd Thomas SOLID FULL CASE DECANTING CENTRIFUGE

Also Published As

Publication number Publication date
FI853805A0 (en) 1985-10-02
DE3444349A1 (en) 1986-04-10
EP0177838B1 (en) 1990-05-09
DE3577515D1 (en) 1990-06-13
EP0177838A2 (en) 1986-04-16
FI853805L (en) 1986-04-11

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