GB1403664A - Apparatus for continuously dehydrating sewage sludge or the like - Google Patents

Apparatus for continuously dehydrating sewage sludge or the like

Info

Publication number
GB1403664A
GB1403664A GB833673A GB833673A GB1403664A GB 1403664 A GB1403664 A GB 1403664A GB 833673 A GB833673 A GB 833673A GB 833673 A GB833673 A GB 833673A GB 1403664 A GB1403664 A GB 1403664A
Authority
GB
United Kingdom
Prior art keywords
sewage sludge
continuously dehydrating
dehydrating sewage
continuously
sludge
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
GB833673A
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.)
Japan Steel Works Ltd
Original Assignee
Japan Steel Works Ltd
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
Priority claimed from JP1891872A external-priority patent/JPS4888550A/ja
Priority claimed from JP47041360A external-priority patent/JPS491803A/ja
Priority claimed from JP47118044A external-priority patent/JPS4977264A/ja
Priority claimed from JP47130269A external-priority patent/JPS4988353A/ja
Application filed by Japan Steel Works Ltd filed Critical Japan Steel Works Ltd
Publication of GB1403664A publication Critical patent/GB1403664A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • C02F11/123—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using belt or band filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/04—Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/04—Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
    • B01D33/042—Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering whereby the filtration and squeezing-out take place between at least two filtering bands
    • 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
    • B30B9/24—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 an endless pressing band
    • B30B9/243—The squeezing-out being performed in several stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treatment Of Sludge (AREA)
GB833673A 1972-02-25 1973-02-20 Apparatus for continuously dehydrating sewage sludge or the like Expired GB1403664A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP1891872A JPS4888550A (en) 1972-02-25 1972-02-25
JP47041360A JPS491803A (en) 1972-04-26 1972-04-26
JP47118044A JPS4977264A (en) 1972-11-27 1972-11-27
JP47130269A JPS4988353A (en) 1972-12-28 1972-12-28

Publications (1)

Publication Number Publication Date
GB1403664A true GB1403664A (en) 1975-08-28

Family

ID=27457072

Family Applications (1)

Application Number Title Priority Date Filing Date
GB833673A Expired GB1403664A (en) 1972-02-25 1973-02-20 Apparatus for continuously dehydrating sewage sludge or the like

Country Status (4)

Country Link
DE (1) DE2305547C3 (en)
FR (1) FR2173281B1 (en)
GB (1) GB1403664A (en)
SE (1) SE390727B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3103569A1 (en) * 1981-02-03 1982-10-14 Hitachi Kiden Kogyo Ltd., Amagasaki Process and apparatus for dewatering screenings
DE3142657C2 (en) * 1981-09-29 1985-06-20 Sulzer-Escher Wyss GmbH, 7980 Ravensburg Drainage device
FI76703C (en) * 1987-07-17 1988-12-12 Ahlstroem Oy Sealing device for filtration press
DE4215580A1 (en) * 1992-05-12 1993-11-18 Manzei Ingried Sludge water extn. - uses a conical container for sludge to pass through vertically under pressure, which is set according to water content

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1960787C3 (en) * 1969-12-04 1973-10-11 Albert 6683 Elversberg Baehr Filter press, especially for dewatering sludge in sewage treatment plants

Also Published As

Publication number Publication date
DE2305547C3 (en) 1979-02-15
DE2305547B2 (en) 1978-06-15
DE2305547A1 (en) 1973-09-06
FR2173281B1 (en) 1976-05-14
FR2173281A1 (en) 1973-10-05
SE390727B (en) 1977-01-17

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee