FR2350127A1 - Expressing filter plate - with diaphragm filter sheet having fluid passing opening protected against constriction or blockage - Google Patents

Expressing filter plate - with diaphragm filter sheet having fluid passing opening protected against constriction or blockage

Info

Publication number
FR2350127A1
FR2350127A1 FR7613298A FR7613298A FR2350127A1 FR 2350127 A1 FR2350127 A1 FR 2350127A1 FR 7613298 A FR7613298 A FR 7613298A FR 7613298 A FR7613298 A FR 7613298A FR 2350127 A1 FR2350127 A1 FR 2350127A1
Authority
FR
France
Prior art keywords
fluid passing
passing opening
sheet
expressing
blockage
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.)
Granted
Application number
FR7613298A
Other languages
French (fr)
Other versions
FR2350127B1 (en
Inventor
Tetsuya Kurita
Atsushi Kataoka
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 Machinery Manufacturing Co Ltd
Original Assignee
Kurita Machinery Manufacturing Co Ltd
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 Machinery Manufacturing Co Ltd filed Critical Kurita Machinery Manufacturing Co Ltd
Priority to FR7613298A priority Critical patent/FR2350127A1/en
Publication of FR2350127A1 publication Critical patent/FR2350127A1/en
Application granted granted Critical
Publication of FR2350127B1 publication Critical patent/FR2350127B1/fr
Granted legal-status Critical Current

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
    • B01D25/12—Filter presses, i.e. of the plate or plate and frame type
    • B01D25/21—Plate and frame presses
    • B01D25/215—Construction of the filter plates, frames
    • 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

Abstract

Expressing filter plate for a filter presS, comprises 2 base plate covered by a diaphragm sheet having a filter surface and formed with a fluid passing opening communicating with a filtrate or wash liquor passage in the base plate. A cover made of material of higher hardness than the diaphragm sheet has a tubular portion which fits in the fluid passing opening to provide a fluid inlet or outlet. Since the tubular portion is harder than the sheet it retains its shape without expanding inwardly towards the centre when the sheet is subjected to press. on its opposite surfaces. Thus the fluid passing opening will not be constricted or blocked due to plastic deformation.
FR7613298A 1976-05-04 1976-05-04 Expressing filter plate - with diaphragm filter sheet having fluid passing opening protected against constriction or blockage Granted FR2350127A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7613298A FR2350127A1 (en) 1976-05-04 1976-05-04 Expressing filter plate - with diaphragm filter sheet having fluid passing opening protected against constriction or blockage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7613298A FR2350127A1 (en) 1976-05-04 1976-05-04 Expressing filter plate - with diaphragm filter sheet having fluid passing opening protected against constriction or blockage

Publications (2)

Publication Number Publication Date
FR2350127A1 true FR2350127A1 (en) 1977-12-02
FR2350127B1 FR2350127B1 (en) 1983-01-14

Family

ID=9172674

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7613298A Granted FR2350127A1 (en) 1976-05-04 1976-05-04 Expressing filter plate - with diaphragm filter sheet having fluid passing opening protected against constriction or blockage

Country Status (1)

Country Link
FR (1) FR2350127A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2419747A1 (en) * 1978-03-16 1979-10-12 Kurita Machinery Manuf SUPPORT PLATE FOR REINFORCING A LIQUID CIRCULATION CHANNEL, ESPECIALLY FOR FILTER-PRESSES
EP0162998A1 (en) * 1984-05-29 1985-12-04 Alfred Henri Parmentier Diaphragm sheets and plates for filter presses

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2419747A1 (en) * 1978-03-16 1979-10-12 Kurita Machinery Manuf SUPPORT PLATE FOR REINFORCING A LIQUID CIRCULATION CHANNEL, ESPECIALLY FOR FILTER-PRESSES
EP0162998A1 (en) * 1984-05-29 1985-12-04 Alfred Henri Parmentier Diaphragm sheets and plates for filter presses

Also Published As

Publication number Publication date
FR2350127B1 (en) 1983-01-14

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Legal Events

Date Code Title Description
ST Notification of lapse