ZA84747B - Improved screw driven sludge thickeners - Google Patents

Improved screw driven sludge thickeners

Info

Publication number
ZA84747B
ZA84747B ZA84747A ZA84747A ZA84747B ZA 84747 B ZA84747 B ZA 84747B ZA 84747 A ZA84747 A ZA 84747A ZA 84747 A ZA84747 A ZA 84747A ZA 84747 B ZA84747 B ZA 84747B
Authority
ZA
South Africa
Prior art keywords
screw driven
improved screw
faces
sludge thickeners
driven sludge
Prior art date
Application number
ZA84747A
Other languages
English (en)
Inventor
Georges Treyssac
Robert Morawek
Original Assignee
Erpac
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 Erpac filed Critical Erpac
Publication of ZA84747B publication Critical patent/ZA84747B/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
    • B30B9/12—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing
    • B30B9/121—Screw constructions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/245—Discharge mechanisms for the sediments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
    • B30B9/12—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing
    • B30B9/18—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing with means for adjusting the outlet for the solid

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Centrifugal Separators (AREA)
  • Treatment Of Sludge (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Paper (AREA)
ZA84747A 1983-02-02 1984-02-01 Improved screw driven sludge thickeners ZA84747B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8301646A FR2540094B1 (fr) 1983-02-02 1983-02-02 Perfectionnement aux epaississeurs de boues a vis

Publications (1)

Publication Number Publication Date
ZA84747B true ZA84747B (en) 1984-09-26

Family

ID=9285546

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA84747A ZA84747B (en) 1983-02-02 1984-02-01 Improved screw driven sludge thickeners

Country Status (8)

Country Link
US (1) US4528098A (xx)
EP (1) EP0118330B1 (xx)
AT (1) ATE26435T1 (xx)
CA (1) CA1204734A (xx)
DE (1) DE3463031D1 (xx)
FR (1) FR2540094B1 (xx)
IN (1) IN161948B (xx)
ZA (1) ZA84747B (xx)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4720047A (en) * 1986-12-12 1988-01-19 Knight Manufacturing Corporation Auger for conveying materials such as manure
CA1309954C (en) * 1987-07-29 1992-11-10 Yasuo Yamada Deaerator for particulates
JP3049167B2 (ja) * 1992-02-06 2000-06-05 ナイト マニファクチャリング コーポレイション 施肥用の散布装置
US5385403A (en) * 1992-02-06 1995-01-31 Knight Manufacturing Corp. Mixing apparatus for mixing materials
US5435494A (en) * 1992-02-06 1995-07-25 Knight Manufacturing Corp. Spreader apparatus for spreading manure
US5494351A (en) * 1992-10-14 1996-02-27 Vapo Oy Device and method for mixing peat and sludge
US5761888A (en) * 1996-09-19 1998-06-09 Carbonic Industries Corporation Method and apparatus for conveying dry ice
SE507498C2 (sv) * 1996-10-07 1998-06-15 Spirac Engineering Ab Separationsanordning försedd med transportspiral och silorgan
US6170580B1 (en) * 1997-07-17 2001-01-09 Jeffery Reddoch Method and apparatus for collecting, defluidizing and disposing of oil and gas well drill cuttings
JPH11216313A (ja) * 1998-02-03 1999-08-10 Ishikawajima Harima Heavy Ind Co Ltd 脱水濃縮装置
US6241902B1 (en) 1999-11-22 2001-06-05 Wawcon, Inc. Methods and apparatus for de-watering sludge
US7976259B2 (en) * 2007-07-16 2011-07-12 Joe David Craig System for feeding biomass into a pressurized vessel
US20090022570A1 (en) * 2007-07-16 2009-01-22 Joe David Craig System, method and apparatus for feeding biomass into a pressurized vessel
IT1393420B1 (it) * 2009-03-19 2012-04-20 Ceccarelli Apparato per la compattazione e la disidratazione di rifiuti organici
US20160235110A1 (en) * 2015-02-17 2016-08-18 Frito-Lay North America, Inc. Method and apparatus for controlling the flow of product over a product attrition bed
AT518550B1 (de) 2016-07-29 2017-11-15 Andritz Ag Maschf Schneckenpresse

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE548411C (de) * 1932-04-15 Fried Krupp Grusonwerk Akt Ges Schneckenpresse fuer feuchtes Gut
DE266077C (xx) *
FR1015977A (fr) * 1950-04-05 1952-10-29 Perfectionnements aux appareils de décantation
US2701518A (en) * 1950-10-23 1955-02-08 Manuel C Mcdonald Worm
DE1243914B (de) * 1961-06-05 1967-07-06 Bedrijven Van Het Nl I Voor Zu Vorrichtung zum Abtrennen der Molke aus einem Bruch-Molke-Gemisch
FR1532464A (fr) * 1967-05-26 1968-07-12 Dispositif pour le traitement des matières fibreuses en vue de l'extraction des substances liquides qu'elles contiennent
US3550526A (en) * 1968-01-29 1970-12-29 Maurice W Hoover Continuous juice extractor
US3624729A (en) * 1968-01-29 1971-11-30 Maurice W Hoover Continuous juice extractor
US3585924A (en) * 1969-03-10 1971-06-22 William J Nolan Apparatus for the removal of liquids from fibrous materials
JPS5551000A (en) * 1978-10-06 1980-04-14 Sanshin Seisakusho:Kk Screw press unit
US4380496A (en) * 1979-03-22 1983-04-19 Uop Inc. Mechanical dewatering process utilizing a nonuniform screw conveyor

Also Published As

Publication number Publication date
FR2540094A1 (fr) 1984-08-03
CA1204734A (en) 1986-05-20
EP0118330A1 (fr) 1984-09-12
ATE26435T1 (de) 1987-04-15
EP0118330B1 (fr) 1987-04-08
IN161948B (xx) 1988-03-05
FR2540094B1 (fr) 1986-01-03
US4528098A (en) 1985-07-09
DE3463031D1 (en) 1987-05-14

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