FR2237664A1 - Coarse filter for liquids has scraper conveyor - removing particles from underside of screen with assistance of gravity - Google Patents

Coarse filter for liquids has scraper conveyor - removing particles from underside of screen with assistance of gravity

Info

Publication number
FR2237664A1
FR2237664A1 FR7425142A FR7425142A FR2237664A1 FR 2237664 A1 FR2237664 A1 FR 2237664A1 FR 7425142 A FR7425142 A FR 7425142A FR 7425142 A FR7425142 A FR 7425142A FR 2237664 A1 FR2237664 A1 FR 2237664A1
Authority
FR
France
Prior art keywords
underside
liquids
assistance
gravity
screen
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
FR7425142A
Other languages
French (fr)
Other versions
FR2237664B3 (en
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.)
WORLIDGE RONALD
Original Assignee
WORLIDGE RONALD
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 WORLIDGE RONALD filed Critical WORLIDGE RONALD
Publication of FR2237664A1 publication Critical patent/FR2237664A1/en
Application granted granted Critical
Publication of FR2237664B3 publication Critical patent/FR2237664B3/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B01D29/05—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements supported
    • 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
    • B01D21/0012—Settling tanks making use of filters, e.g. by floating layers of particulate material
    • 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
    • B01D21/02—Settling tanks with single outlets for the separated liquid
    • B01D21/04—Settling tanks with single outlets for the separated liquid with moving scrapers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/44—Edge filtering elements, i.e. using contiguous impervious surfaces
    • B01D29/445—Bar screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
    • B01D29/605—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by level measuring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
    • B01D29/6484—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a translatory movement with respect to the filtering element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D36/00—Filter circuits or combinations of filters with other separating devices
    • B01D36/02—Combinations of filters of different kinds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D36/00—Filter circuits or combinations of filters with other separating devices
    • B01D36/04—Combinations of filters with settling tanks

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)

Abstract

A separator for removing solid particles from liquids comprises a tank in which the liquid flows upwards through a sieve; the underside of this sieve is kept clean by an endless scraper which removes the solid particles out of the tank.
FR7425142A 1973-07-20 1974-07-19 Coarse filter for liquids has scraper conveyor - removing particles from underside of screen with assistance of gravity Granted FR2237664A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3484173 1973-07-20

Publications (2)

Publication Number Publication Date
FR2237664A1 true FR2237664A1 (en) 1975-02-14
FR2237664B3 FR2237664B3 (en) 1977-05-20

Family

ID=10370563

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7425142A Granted FR2237664A1 (en) 1973-07-20 1974-07-19 Coarse filter for liquids has scraper conveyor - removing particles from underside of screen with assistance of gravity

Country Status (2)

Country Link
DE (1) DE2434308A1 (en)
FR (1) FR2237664A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0063797A2 (en) * 1981-04-28 1982-11-03 Bunri Industry Co., Ltd. Filter apparatus
EP0134878A2 (en) * 1983-07-21 1985-03-27 Ralf F. Piepho Abwassertechnik GmbH Device for treating spent emulsions, solutions and industrial waste water and the like

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4217447C2 (en) * 1992-05-26 1995-08-03 Germann Willems Solids filter

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0063797A2 (en) * 1981-04-28 1982-11-03 Bunri Industry Co., Ltd. Filter apparatus
EP0063797A3 (en) * 1981-04-28 1983-05-18 Bunri Industry Co., Ltd. Filter apparatus
EP0134878A2 (en) * 1983-07-21 1985-03-27 Ralf F. Piepho Abwassertechnik GmbH Device for treating spent emulsions, solutions and industrial waste water and the like
EP0134878A3 (en) * 1983-07-21 1986-07-23 Ralf F. Piepho Abwassertechnik Gmbh Device for treating spent emulsions, solutions and industrial waste water and the like

Also Published As

Publication number Publication date
DE2434308A1 (en) 1975-02-06
FR2237664B3 (en) 1977-05-20

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Legal Events

Date Code Title Description
ST Notification of lapse