IT7921027A0 - Filtro a tamburo rotante e metodo per pulire il mezzo filtrante. - Google Patents

Filtro a tamburo rotante e metodo per pulire il mezzo filtrante.

Info

Publication number
IT7921027A0
IT7921027A0 IT7921027A IT2102779A IT7921027A0 IT 7921027 A0 IT7921027 A0 IT 7921027A0 IT 7921027 A IT7921027 A IT 7921027A IT 2102779 A IT2102779 A IT 2102779A IT 7921027 A0 IT7921027 A0 IT 7921027A0
Authority
IT
Italy
Prior art keywords
filter
cleaning
rotary drum
filter media
media
Prior art date
Application number
IT7921027A
Other languages
English (en)
Other versions
IT1192640B (it
Original Assignee
Envirotech Corp
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
Priority claimed from US05/886,837 external-priority patent/US4157301A/en
Application filed by Envirotech Corp filed Critical Envirotech Corp
Publication of IT7921027A0 publication Critical patent/IT7921027A0/it
Application granted granted Critical
Publication of IT1192640B publication Critical patent/IT1192640B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
    • B01D33/067—Construction of the filtering drums, e.g. mounting or sealing arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
    • B01D33/073—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration
    • B01D33/09—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration with surface cells independently connected to pressure distributors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)
IT21027/79A 1978-03-15 1979-03-15 Filtro a tamburo rotante e metodo per pulire il mezzo filtrante IT1192640B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US88683678A 1978-03-15 1978-03-15
US05/886,837 US4157301A (en) 1978-03-15 1978-03-15 Drum construction for rotary drum filter

Publications (2)

Publication Number Publication Date
IT7921027A0 true IT7921027A0 (it) 1979-03-15
IT1192640B IT1192640B (it) 1988-04-27

Family

ID=27128813

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21027/79A IT1192640B (it) 1978-03-15 1979-03-15 Filtro a tamburo rotante e metodo per pulire il mezzo filtrante

Country Status (8)

Country Link
AU (1) AU4510679A (it)
CA (1) CA1110552A (it)
ES (1) ES478684A1 (it)
FR (1) FR2419746A1 (it)
IT (1) IT1192640B (it)
MX (1) MX147795A (it)
NL (1) NL7901975A (it)
WO (1) WO1979000765A1 (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5266168A (en) * 1991-12-20 1993-11-30 The Black Clawson Company Gravity type pulp washer or thickener with rotating disrupters

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2289762A (en) * 1939-05-08 1942-07-14 Oliver United Filters Inc Method and apparatus for filtering
US3027011A (en) * 1958-01-06 1962-03-27 Whiting Corp Pulp washer and filter
US3262575A (en) * 1963-08-08 1966-07-26 Dorr Oliver Inc Rotary drum filters
US3630380A (en) * 1969-08-28 1971-12-28 Dorr Oliver Inc Rotary vacuum drum filters
US3627139A (en) * 1970-06-22 1971-12-14 Nikolai Alexandrovich Burtsev Continuous drum vacuum filter

Also Published As

Publication number Publication date
MX147795A (es) 1983-01-12
IT1192640B (it) 1988-04-27
FR2419746A1 (fr) 1979-10-12
CA1110552A (en) 1981-10-13
WO1979000765A1 (en) 1979-10-04
AU4510679A (en) 1979-09-20
NL7901975A (nl) 1979-09-18
ES478684A1 (es) 1980-01-01

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940329