DE2702972C3 - Verfahren zum Reinigen eines Filterbettes - Google Patents

Verfahren zum Reinigen eines Filterbettes

Info

Publication number
DE2702972C3
DE2702972C3 DE2702972A DE2702972A DE2702972C3 DE 2702972 C3 DE2702972 C3 DE 2702972C3 DE 2702972 A DE2702972 A DE 2702972A DE 2702972 A DE2702972 A DE 2702972A DE 2702972 C3 DE2702972 C3 DE 2702972C3
Authority
DE
Germany
Prior art keywords
filter
grains
bed
filter bed
water
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
DE2702972A
Other languages
German (de)
English (en)
Other versions
DE2702972B2 (de
DE2702972A1 (de
Inventor
Moriyuki Yamato Kanagawa Hirota
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.)
KURITA WATER INDUSTRIES Ltd OSAKA JP
Original Assignee
KURITA WATER INDUSTRIES Ltd OSAKA JP
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 KURITA WATER INDUSTRIES Ltd OSAKA JP filed Critical KURITA WATER INDUSTRIES Ltd OSAKA JP
Publication of DE2702972A1 publication Critical patent/DE2702972A1/de
Publication of DE2702972B2 publication Critical patent/DE2702972B2/de
Application granted granted Critical
Publication of DE2702972C3 publication Critical patent/DE2702972C3/de
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
    • B01D24/007—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in series connection
    • 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
    • B01D24/4605—Regenerating the filtering material in the filter by scrapers, brushes, nozzles or the like placed on the cake-side of the stationary filtering material and only contacting the external layer
    • B01D24/4621—Regenerating the filtering material in the filter by scrapers, brushes, nozzles or the like placed on the cake-side of the stationary filtering material and only contacting the external layer by nozzles acting on the cake side of the filter material, or by fluids acting in co-current direction with the feed stream
    • 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)
DE2702972A 1976-01-26 1977-01-25 Verfahren zum Reinigen eines Filterbettes Expired DE2702972C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP660776A JPS5290865A (en) 1976-01-26 1976-01-26 Method of washing filter apparatus

Publications (3)

Publication Number Publication Date
DE2702972A1 DE2702972A1 (de) 1977-07-28
DE2702972B2 DE2702972B2 (de) 1981-02-26
DE2702972C3 true DE2702972C3 (de) 1981-10-15

Family

ID=11643026

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2702972A Expired DE2702972C3 (de) 1976-01-26 1977-01-25 Verfahren zum Reinigen eines Filterbettes

Country Status (5)

Country Link
US (1) US4102786A (enExample)
JP (1) JPS5290865A (enExample)
BR (1) BR7700411A (enExample)
DE (1) DE2702972C3 (enExample)
IT (1) IT1086771B (enExample)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE874420A (fr) * 1978-03-02 1979-08-23 Unilever Nv Procede de production de compositions detergentes
US4336232A (en) * 1978-04-14 1982-06-22 Moritz George J Production of purified brine
JPS5588812A (en) * 1978-12-27 1980-07-04 Hitachi Metals Ltd Filtering and washing method
AU1797783A (en) * 1982-09-27 1984-04-05 Amsted Industries Incorporated Filtering system
US4589927A (en) * 1984-05-29 1986-05-20 Battelle Development Corporation Liquid multisolid fluidized bed processing
US5013882A (en) * 1987-06-29 1991-05-07 A.G. Fur Industrielle Elektronik Labyrinth filter for dielectric of spark erosion systems
US5114595A (en) * 1991-02-19 1992-05-19 Coyanosa Operations Company, Inc. Multiple screen filter and method
US5145588A (en) * 1991-02-19 1992-09-08 Western Water International, Inc. High backwash flow rate purification system
US5286466A (en) * 1991-04-08 1994-02-15 Ari Technologies, Inc. Multi-bed cocurrent downflow mass transfer column with spherical packing
US5302361A (en) * 1991-04-08 1994-04-12 Ari Technologies, Inc. Multi-bed mass transfer column with mobile packing
US5296205A (en) * 1991-04-08 1994-03-22 Ari Technologies, Inc. Multi-bed mass transfer column with mobile packing
US5693219A (en) * 1996-01-31 1997-12-02 Beauchamp; William J. Apparatus for backwashing a water filter
GB2369069B (en) * 2000-11-03 2005-02-09 Spruce Internat Separations Lt Water treatment system
GB2395920B (en) * 2002-12-03 2006-08-02 Dynamic Proc Solutions Plc Apparatus for inhibiting fines carryover
US9789423B2 (en) 2009-02-26 2017-10-17 Liquid Automation Ltd. Filtration apparatus and method for treating granular filtration medium
IL197322B (en) 2009-02-26 2018-05-31 Liquid Automation Ltd Filtering device and method for handling granular filter media
CN102078714B (zh) * 2010-12-30 2012-07-04 济南裕兴化工有限责任公司 多介质过滤器反洗工艺
GB201301028D0 (en) * 2012-12-04 2013-03-06 Enhydra Ltd Filtration arrangement and method
US10913667B2 (en) * 2017-12-08 2021-02-09 Westech Engineering, Inc. Multi-media clarification systems and methods
CN113874531B (zh) 2019-03-08 2023-10-13 英美资源技术与可持续发展服务有限公司 尾矿沉积
CN110015779B (zh) * 2019-04-03 2021-11-23 哈尔滨工程大学 船舶洗涤废水处理装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1125889B (de) * 1960-05-21 1962-03-22 Steinmueller Gmbh L & C Rueckspuelbares Fluessigkeitsfilter mit losem Filtermaterial
US3550774A (en) * 1968-01-09 1970-12-29 Hydromation Eng Co Method of and apparatus for filtering
US3695433A (en) * 1970-09-28 1972-10-03 Hydromation Filter Co A method of filtering a mixture of liquid and fibrous solid contaminants
US3814245A (en) * 1972-08-21 1974-06-04 Hydromation Filter Co Method of filtering
US3814247A (en) * 1972-08-21 1974-06-04 Hydromation Filter Co Method of filtering
US3900395A (en) * 1973-08-16 1975-08-19 Hydromation Filter Co Method of and apparatus for filtering
US4048068A (en) * 1974-01-09 1977-09-13 Amsted Industries, Inc. Method of and apparatus for filtering
US3932278A (en) * 1974-02-15 1976-01-13 Sterling Drug Inc. Filter cleaning method
DE2432443B2 (de) * 1974-07-06 1978-04-20 Daniel Dipl.-Ing. 5300 Bonn- Beuel Pacik Verfahren zur Rückspülung von Filterbetten und Vorrichtung zur Durchführung des Verfahrens
US3953333A (en) * 1975-04-21 1976-04-27 Hydromation Filter Company Method and apparatus for rejuvenating a bed of granular filter medium

Also Published As

Publication number Publication date
JPS5420694B2 (enExample) 1979-07-25
DE2702972B2 (de) 1981-02-26
US4102786A (en) 1978-07-25
DE2702972A1 (de) 1977-07-28
BR7700411A (pt) 1977-10-18
JPS5290865A (en) 1977-07-30
IT1086771B (it) 1985-05-31

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee