JPS5322665A - Filter and backkwashing method therefor - Google Patents

Filter and backkwashing method therefor

Info

Publication number
JPS5322665A
JPS5322665A JP8782977A JP8782977A JPS5322665A JP S5322665 A JPS5322665 A JP S5322665A JP 8782977 A JP8782977 A JP 8782977A JP 8782977 A JP8782977 A JP 8782977A JP S5322665 A JPS5322665 A JP S5322665A
Authority
JP
Japan
Prior art keywords
backkwashing
filter
method therefor
therefor
backkwashing method
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.)
Pending
Application number
JP8782977A
Other languages
English (en)
Japanese (ja)
Inventor
Rindosutoru Andaasu
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.)
Ecodyne Corp
Original Assignee
Ecodyne Corp
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 US05/802,927 external-priority patent/US4082664A/en
Application filed by Ecodyne Corp filed Critical Ecodyne Corp
Publication of JPS5322665A publication Critical patent/JPS5322665A/ja
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/002—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in parallel connection
    • B01D24/004—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in parallel connection arranged concentrically or coaxially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/002—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in parallel connection
    • B01D24/005—Filters being divided into a plurality of cells or compartments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
    • B01D24/20—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being provided in an open container
    • B01D24/22—Downward filtration, the filter material being supported by pervious surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/46—Regenerating the filtering material in the filter
    • B01D24/4631—Counter-current flushing, e.g. by air
    • B01D24/4636—Counter-current flushing, e.g. by air with backwash shoes; with nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/48—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration
    • B01D24/4884—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration by pressure measuring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)
JP8782977A 1976-07-22 1977-07-21 Filter and backkwashing method therefor Pending JPS5322665A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US69977576A 1976-07-22 1976-07-22
US05/802,927 US4082664A (en) 1976-07-22 1977-06-02 Filter and method

Publications (1)

Publication Number Publication Date
JPS5322665A true JPS5322665A (en) 1978-03-02

Family

ID=27106490

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8782977A Pending JPS5322665A (en) 1976-07-22 1977-07-21 Filter and backkwashing method therefor

Country Status (7)

Country Link
JP (1) JPS5322665A (fr)
AR (1) AR213442A1 (fr)
AU (1) AU508535B2 (fr)
CA (1) CA1090712A (fr)
DE (1) DE2733025A1 (fr)
GB (1) GB1582654A (fr)
IT (1) IT1079985B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58131111A (ja) * 1981-09-29 1983-08-04 ノルベルテイス・ボウタ−・ヘンドリツク・フエルデユ−ン 濾過装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3151189C1 (de) * 1981-12-23 1983-07-21 Cojafex B.V., 3011 Rotterdam Vorrichtung zum Abscheiden von Suspensa aus einem unter Druck stehenden Fluid
DE4101332A1 (de) * 1991-01-18 1992-07-23 Ibo W Grimmel Abwassertechnik Vorrichtung zum reinigen von abwasser
FR2705583B1 (fr) * 1993-05-28 1995-08-18 Degremont Perfectionnements apportés aux dispositifs filtrants pour la clarification de liquide notamment d'eau.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58131111A (ja) * 1981-09-29 1983-08-04 ノルベルテイス・ボウタ−・ヘンドリツク・フエルデユ−ン 濾過装置
JPH0318921B2 (fr) * 1981-09-29 1991-03-13 Botaa Hendoritsuku Fuerudeyuun Noruberuteisu

Also Published As

Publication number Publication date
DE2733025A1 (de) 1978-01-26
CA1090712A (fr) 1980-12-02
GB1582654A (en) 1981-01-14
IT1079985B (it) 1985-05-16
AU508535B2 (en) 1980-03-27
AR213442A1 (es) 1979-01-31
AU2669977A (en) 1979-01-04

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