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ES481279A1 - Perfeccionamientos en filtros lavables a contracorriente. - Google Patents

Perfeccionamientos en filtros lavables a contracorriente.

Info

Publication number
ES481279A1
ES481279A1 ES481279A ES481279A ES481279A1 ES 481279 A1 ES481279 A1 ES 481279A1 ES 481279 A ES481279 A ES 481279A ES 481279 A ES481279 A ES 481279A ES 481279 A1 ES481279 A1 ES 481279A1
Authority
ES
Spain
Prior art keywords
peripheral zone
countercurrent
translation
machine
legally binding
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
ES481279A
Other languages
English (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.)
Sulzer AG
Original Assignee
Sulzer AG
Sulzer Freres SA
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 Sulzer AG, Sulzer Freres SA filed Critical Sulzer AG
Publication of ES481279A1 publication Critical patent/ES481279A1/es
Expired 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
    • B01D24/02—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
    • B01D24/10—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 held in a closed container
    • B01D24/12—Downward filtration, the filtering 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
    • B01D24/4626—Construction of spray heads specially adapted for regeneration of the filter material or for filtrate discharging
    • 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

Landscapes

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

Abstract

Perfeccionamientos en filtros lavables a contracorriente, para el acondicionamiento de líquidos en el que se espace una masa granular filtrante que retiene las impurezas, sobre un fondo de boquilla bajo el cual se prevé una cámara de agua limpia para el producto de la filtración, caracterizados por haberse previsto elementos mediante los cuales se lava a contracorriente por lo menos la primera fila de la zona marginal del fondo de boquilla inmediatas al borde, con un caudal de agua de lavado mayor que el empleado para el resto del fondo de boquillas.
ES481279A 1978-07-14 1979-06-05 Perfeccionamientos en filtros lavables a contracorriente. Expired ES481279A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH764978A CH633971A5 (en) 1978-07-14 1978-07-14 Back-flushable filter

Publications (1)

Publication Number Publication Date
ES481279A1 true ES481279A1 (es) 1980-02-01

Family

ID=4328419

Family Applications (1)

Application Number Title Priority Date Filing Date
ES481279A Expired ES481279A1 (es) 1978-07-14 1979-06-05 Perfeccionamientos en filtros lavables a contracorriente.

Country Status (4)

Country Link
CH (1) CH633971A5 (es)
ES (1) ES481279A1 (es)
FR (1) FR2430782A1 (es)
IT (1) IT1122060B (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2485385A1 (fr) * 1980-06-27 1981-12-31 Degremont Filtre a lit de materiaux granulaires pour le traitement des eaux, notamment de l'eau de mer et des liquides corrosifs
ITMI20062045A1 (it) * 2006-10-24 2008-04-25 Danieli Off Mecc Dispositivo di filtrazione a sabbia
EP2154114A1 (en) * 2008-07-23 2010-02-17 Nestec S.A. Water treatment unit for beverage production machine
CN105854367B (zh) * 2016-05-13 2019-08-30 上海绩优机电股份有限公司 一种过滤系统和过滤方法

Also Published As

Publication number Publication date
FR2430782A1 (fr) 1980-02-08
IT1122060B (it) 1986-04-23
FR2430782B3 (es) 1982-05-21
IT7924180A0 (it) 1979-07-09
CH633971A5 (en) 1983-01-14

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970401