IT1256243B - Impianto per la depurazione e per la filtrazione di acque reflue derivanti da processi di lavorazione meccanica, convenzionali ed altri - Google Patents

Impianto per la depurazione e per la filtrazione di acque reflue derivanti da processi di lavorazione meccanica, convenzionali ed altri

Info

Publication number
IT1256243B
IT1256243B ITMI922959A ITMI922959A IT1256243B IT 1256243 B IT1256243 B IT 1256243B IT MI922959 A ITMI922959 A IT MI922959A IT MI922959 A ITMI922959 A IT MI922959A IT 1256243 B IT1256243 B IT 1256243B
Authority
IT
Italy
Prior art keywords
purification
filtration
plant
valves
processes
Prior art date
Application number
ITMI922959A
Other languages
English (en)
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 filed Critical
Priority to ITMI922959A priority Critical patent/IT1256243B/it
Publication of ITMI922959A0 publication Critical patent/ITMI922959A0/it
Priority to EP93830521A priority patent/EP0607766A1/en
Publication of ITMI922959A1 publication Critical patent/ITMI922959A1/it
Application granted granted Critical
Publication of IT1256243B publication Critical patent/IT1256243B/it

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
    • B01D29/60—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
    • 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
    • B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/12—Devices for taking out of action one or more units of multi- unit filters, e.g. for regeneration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D37/00—Processes of filtration
    • B01D37/03—Processes of filtration using flocculating agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D37/00—Processes of filtration
    • B01D37/04—Controlling the filtration
    • 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)

Abstract

Il presente trovato ha come oggetto un impianto per la depurazione e la filtrazione di acque reflue, derivanti da processi di lavorazione meccanica, convenzionali ed altri, caratterizzato dal fatto di comprendere un primo elemento pompante, per il prelievo delle acque stesse ad almeno due corpi filtranti, connessi in parallelo ad un condotto di mandata, tramite rispettive valvole di mandata.I corpi filtranti sono connessi, tramite rispettive valvole di ritorno, ad un serbatolo di riciclo della macchina utensile.Sono, inoltre, previsto un secondo elemento pompante, per l'invio di un liquido di lavaggio, in controcorrente, sui corpi filtranti, e condotti di scarico del liquido di lavaggio, che sfociano in un serbatoio di decantazione.Gli elementi pompanti e le valvole sono pilotati da un computer e logica programmata.
ITMI922959A 1992-12-23 1992-12-23 Impianto per la depurazione e per la filtrazione di acque reflue derivanti da processi di lavorazione meccanica, convenzionali ed altri IT1256243B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITMI922959A IT1256243B (it) 1992-12-23 1992-12-23 Impianto per la depurazione e per la filtrazione di acque reflue derivanti da processi di lavorazione meccanica, convenzionali ed altri
EP93830521A EP0607766A1 (en) 1992-12-23 1993-12-23 System for purifying and filtering waste water from mechanical machining processes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI922959A IT1256243B (it) 1992-12-23 1992-12-23 Impianto per la depurazione e per la filtrazione di acque reflue derivanti da processi di lavorazione meccanica, convenzionali ed altri

Publications (3)

Publication Number Publication Date
ITMI922959A0 ITMI922959A0 (it) 1992-12-23
ITMI922959A1 ITMI922959A1 (it) 1994-06-23
IT1256243B true IT1256243B (it) 1995-11-29

Family

ID=11364533

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI922959A IT1256243B (it) 1992-12-23 1992-12-23 Impianto per la depurazione e per la filtrazione di acque reflue derivanti da processi di lavorazione meccanica, convenzionali ed altri

Country Status (2)

Country Link
EP (1) EP0607766A1 (it)
IT (1) IT1256243B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9907880D0 (en) 1999-04-08 1999-06-02 Hosford James P Dual pump
CN108144359A (zh) * 2018-01-12 2018-06-12 山东钢铁股份有限公司 一种废酸清洗装置及工艺

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3384239A (en) * 1965-12-07 1968-05-21 Martin J. Berardi Purification and recirculation of liquid
US3741390A (en) * 1971-12-13 1973-06-26 Harsco Corp Tertiary filter
NO172882C (no) * 1991-06-14 1993-09-22 Goetaverken Energy Ab Fremgangsmaate ved regulering av en filtreringsanordning

Also Published As

Publication number Publication date
EP0607766A1 (en) 1994-07-27
ITMI922959A0 (it) 1992-12-23
ITMI922959A1 (it) 1994-06-23

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Legal Events

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0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971219