IT1315497B1 - Metodo e dispositivo per il controlavaggio di apparecchiaturefiltranti a letto di sabbia - Google Patents

Metodo e dispositivo per il controlavaggio di apparecchiaturefiltranti a letto di sabbia

Info

Publication number
IT1315497B1
IT1315497B1 IT2000VI000179A ITVI20000179A IT1315497B1 IT 1315497 B1 IT1315497 B1 IT 1315497B1 IT 2000VI000179 A IT2000VI000179 A IT 2000VI000179A IT VI20000179 A ITVI20000179 A IT VI20000179A IT 1315497 B1 IT1315497 B1 IT 1315497B1
Authority
IT
Italy
Prior art keywords
backwashing
sand bed
filtering equipment
filtering
equipment
Prior art date
Application number
IT2000VI000179A
Other languages
English (en)
Inventor
Saverio Trevisan
Original Assignee
Idrosistem Energy Srl
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 Idrosistem Energy Srl filed Critical Idrosistem Energy Srl
Priority to IT2000VI000179A priority Critical patent/IT1315497B1/it
Publication of ITVI20000179A0 publication Critical patent/ITVI20000179A0/it
Priority to EP01118410A priority patent/EP1177825B1/en
Priority to DE60110163T priority patent/DE60110163T2/de
Publication of ITVI20000179A1 publication Critical patent/ITVI20000179A1/it
Application granted granted Critical
Publication of IT1315497B1 publication Critical patent/IT1315497B1/it

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
    • B01D24/14—Downward filtration, the container having distribution or collection headers or pervious conduits
    • 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
    • B01D24/4642—Counter-current flushing, e.g. by air with valves, e.g. rotating valves
    • 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
    • B01D24/4869—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 level measuring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/54—Computerised or programmable systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)
  • Filtering Materials (AREA)
IT2000VI000179A 2000-08-04 2000-08-04 Metodo e dispositivo per il controlavaggio di apparecchiaturefiltranti a letto di sabbia IT1315497B1 (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT2000VI000179A IT1315497B1 (it) 2000-08-04 2000-08-04 Metodo e dispositivo per il controlavaggio di apparecchiaturefiltranti a letto di sabbia
EP01118410A EP1177825B1 (en) 2000-08-04 2001-07-31 Method and device for backwashing sand bed filtration units
DE60110163T DE60110163T2 (de) 2000-08-04 2001-07-31 Verfahren und Vorrichtung zum Rückspülen von Sandfilterbetteinheiten

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2000VI000179A IT1315497B1 (it) 2000-08-04 2000-08-04 Metodo e dispositivo per il controlavaggio di apparecchiaturefiltranti a letto di sabbia

Publications (3)

Publication Number Publication Date
ITVI20000179A0 ITVI20000179A0 (it) 2000-08-04
ITVI20000179A1 ITVI20000179A1 (it) 2002-02-04
IT1315497B1 true IT1315497B1 (it) 2003-02-18

Family

ID=11461350

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2000VI000179A IT1315497B1 (it) 2000-08-04 2000-08-04 Metodo e dispositivo per il controlavaggio di apparecchiaturefiltranti a letto di sabbia

Country Status (3)

Country Link
EP (1) EP1177825B1 (it)
DE (1) DE60110163T2 (it)
IT (1) IT1315497B1 (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6461525B2 (en) * 2000-08-01 2002-10-08 Tetra Process Technologies Method for backwashing granular media filters and bioreactors
DE102012202112A1 (de) * 2012-02-13 2013-08-14 Krones Ag Verfahren zur Steuerung und/oder Regelung von Filteranlagen mit einem Medienfilter
CN115105884B (zh) * 2022-08-29 2022-11-15 上寻环保科技(云南)有限公司 一种污水处理设备用处理罐

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1177811A (en) * 1966-06-22 1970-01-14 Permutit Co Ltd Filters
US4479880A (en) * 1982-04-21 1984-10-30 Permutit-Boby Limited Method and apparatus for deflecting granular material away from the outlet of a filtration bed
CH678820A5 (it) * 1989-03-02 1991-11-15 Sulzer Ag
US4976873A (en) * 1989-12-14 1990-12-11 Zimpro/Passavant Inc. Pulsing portions of a filter cell to extend a filter run

Also Published As

Publication number Publication date
ITVI20000179A0 (it) 2000-08-04
ITVI20000179A1 (it) 2002-02-04
DE60110163D1 (de) 2005-05-25
DE60110163T2 (de) 2006-02-09
EP1177825B1 (en) 2005-04-20
EP1177825A1 (en) 2002-02-06

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