IT1252827B - PLATE FILTER COVERED WITH INFLATABLE MEMBRANES AND FILTERS - Google Patents

PLATE FILTER COVERED WITH INFLATABLE MEMBRANES AND FILTERS

Info

Publication number
IT1252827B
IT1252827B ITUD910123A ITUD910123A IT1252827B IT 1252827 B IT1252827 B IT 1252827B IT UD910123 A ITUD910123 A IT UD910123A IT UD910123 A ITUD910123 A IT UD910123A IT 1252827 B IT1252827 B IT 1252827B
Authority
IT
Italy
Prior art keywords
plate
membranes
hole
filtering
filters
Prior art date
Application number
ITUD910123A
Other languages
Italian (it)
Inventor
Giampiero Borgnolo
Original Assignee
Restel Vetroresina Applic 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 Restel Vetroresina Applic Srl filed Critical Restel Vetroresina Applic Srl
Priority to ITUD910123A priority Critical patent/IT1252827B/en
Publication of ITUD910123A0 publication Critical patent/ITUD910123A0/en
Priority to PCT/EP1992/001260 priority patent/WO1993002764A1/en
Priority to AU19152/92A priority patent/AU1915292A/en
Publication of ITUD910123A1 publication Critical patent/ITUD910123A1/en
Application granted granted Critical
Publication of IT1252827B publication Critical patent/IT1252827B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
    • B01D25/001—Making filtering elements not provided for elsewhere
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
    • B01D25/12—Filter presses, i.e. of the plate or plate and frame type
    • B01D25/164—Chamber-plate presses, i.e. the sides of the filtering elements being clamped between two successive filtering plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
    • B01D25/28—Leaching or washing filter cakes in the filter handling the filter cake for purposes other than regenerating
    • B01D25/282—Leaching or washing filter cakes in the filter handling the filter cake for purposes other than regenerating for drying
    • B01D25/285—Leaching or washing filter cakes in the filter handling the filter cake for purposes other than regenerating for drying by compression using inflatable membranes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Filtration Of Liquid (AREA)

Abstract

Filtro a piastre (3) rivestite di membrane gonfiabili (5) e tele filtranti (6), del tipo in cui vi è almeno un foro mediano di passaggio liquido da filtrare (7) in dette piastre, membrane e tele filtranti, in cui le:? dette membrane (5) sono realizzate in unica membrana per piastra (3), che copre entrambe le facciate contrapposte della rispettiva piastra (3) passando senza soluzione di continuità (54) attraverso detto foro mediano (7);? la porzione di membrana (52-54) che passa attraverso detto foro é più rigida della porzione piana interessata alla filtratura (55) che si estende nell'area circostante di gonfiaggio in modo che all'immissione di aria compressa fra la detta membrana (5) e la detta piastra (3) venga a staccarsi dalla detta piastra sostanzialmente solamente la porzione interessata alla filtratura (55) che si estende nell'area circostante a detto foro (7).(FIG. 1A).Plate filter (3) lined with inflatable membranes (5) and filtering cloths (6), of the type in which there is at least one median hole for the passage of liquid to be filtered (7) in said plates, membranes and filtering cloths, in which the :? said membranes (5) are made of a single membrane per plate (3), which covers both opposing sides of the respective plate (3) passing seamlessly (54) through said middle hole (7); the membrane portion (52-54) passing through said hole is more rigid than the flat portion involved in filtering (55) which extends into the surrounding inflation area so that when compressed air is introduced between said membrane (5 ) and said plate (3) detaches from the said plate substantially only the portion involved in the filtering (55) which extends in the area surrounding said hole (7). (FIG. 1A).

ITUD910123A 1991-07-31 1991-07-31 PLATE FILTER COVERED WITH INFLATABLE MEMBRANES AND FILTERS IT1252827B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ITUD910123A IT1252827B (en) 1991-07-31 1991-07-31 PLATE FILTER COVERED WITH INFLATABLE MEMBRANES AND FILTERS
PCT/EP1992/001260 WO1993002764A1 (en) 1991-07-31 1992-06-05 Filter made of plates coated with inflatable membranes and filtering cloths
AU19152/92A AU1915292A (en) 1991-07-31 1992-06-05 Filter made of plates coated with inflatable membranes and filtering cloths

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITUD910123A IT1252827B (en) 1991-07-31 1991-07-31 PLATE FILTER COVERED WITH INFLATABLE MEMBRANES AND FILTERS

Publications (3)

Publication Number Publication Date
ITUD910123A0 ITUD910123A0 (en) 1991-07-31
ITUD910123A1 ITUD910123A1 (en) 1993-01-31
IT1252827B true IT1252827B (en) 1995-06-28

Family

ID=11420888

Family Applications (1)

Application Number Title Priority Date Filing Date
ITUD910123A IT1252827B (en) 1991-07-31 1991-07-31 PLATE FILTER COVERED WITH INFLATABLE MEMBRANES AND FILTERS

Country Status (3)

Country Link
AU (1) AU1915292A (en)
IT (1) IT1252827B (en)
WO (1) WO1993002764A1 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1344160A (en) * 1971-12-21 1974-01-16 Kurita Machinery Manuf Filter press
DE3637977A1 (en) * 1986-11-07 1988-08-04 Lenser Kunststoff Press METHOD FOR CONNECTING PLASTIC AREAS

Also Published As

Publication number Publication date
ITUD910123A1 (en) 1993-01-31
WO1993002764A1 (en) 1993-02-18
ITUD910123A0 (en) 1991-07-31
AU1915292A (en) 1993-03-02

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Legal Events

Date Code Title Description
0001 Granted