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WO2002047787A1 - Filtre-presse servant au filtrage de suspensions - Google Patents

Filtre-presse servant au filtrage de suspensions Download PDF

Info

Publication number
WO2002047787A1
WO2002047787A1 PCT/EP2001/013382 EP0113382W WO0247787A1 WO 2002047787 A1 WO2002047787 A1 WO 2002047787A1 EP 0113382 W EP0113382 W EP 0113382W WO 0247787 A1 WO0247787 A1 WO 0247787A1
Authority
WO
WIPO (PCT)
Prior art keywords
filter
filter elements
press
elements
frame
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.)
Ceased
Application number
PCT/EP2001/013382
Other languages
German (de)
English (en)
Inventor
Richard Van Egdom
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.)
Outokumpu Oyj
Original Assignee
Outokumpu Oyj
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 Outokumpu Oyj filed Critical Outokumpu Oyj
Priority to AU2002219122A priority Critical patent/AU2002219122A1/en
Publication of WO2002047787A1 publication Critical patent/WO2002047787A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • B01D25/127—Filter presses, i.e. of the plate or plate and frame type with one or more movable filter bands arranged to be clamped between the press plates or between a plate and a frame during filtration, e.g. zigzag endless filter bands
    • B01D25/1275—Filter presses, i.e. of the plate or plate and frame type with one or more movable filter bands arranged to be clamped between the press plates or between a plate and a frame during filtration, e.g. zigzag endless filter bands the plates or the frames being placed in a non-vertical position
    • 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
    • B01D25/30—Feeding devices ; Discharge devices

Definitions

  • the invention relates to a filter press for the filtration of suspensions with at least one package of horizontally oriented filter elements mounted in a press frame, a filter chamber being arranged between adjacent filter elements, which is bounded at least on one side by a band-shaped filter medium, and the package of filter elements starting from from a filtration position, in which the filter elements are pressed against one another in a sealing manner, can be transferred into an open position, in which adjacent filter elements are at a distance from each other in the vertical direction.
  • Such filter presses are generally known under the name “press filter machines” and allow fully automatic operation of a filter press, since the filter cake in the open position of the packet of filter elements can be discharged by a feed movement of the filter belt passing through the packet and falls into special collecting devices on the side next to the filter press ,
  • the known filter presses exist both in versions in which a filter chamber is only delimited on one side by the filter medium, and in versions in which each filter chamber is delimited both upwards and downwards by the filter medium. In the latter embodiment, the effective filter area is doubled, which is why the filtration performance is increased to approximately the same extent.
  • the filtration performance of such filter presses depends primarily on the available filter area, i. H. of the product of the number of filter elements and the filter area per filter element.
  • An increase in filtration performance is only possible within certain limits, because on the one hand the number of filter elements arranged one above the other is limited by the room height at the installation site.
  • the filter area that is, the size of the individual filter elements, can only be increased up to certain dimensions.
  • plate-shaped filter elements made of plastic cannot be produced in any size.
  • the connection of individual plastic filter plates to one another by welding has proven to be disadvantageous in continuous operation, since the weld seam forms a potential break and such filter plates can only be hung on the head ends and on the side.
  • the maximum size of the filter elements is also limited by the fact that during the filter operation in neighboring filter chambers almost inevitably minor There are differences in the chamber pressures. These pressure differences lead to considerable forces in the not inconsiderable filter areas, which in the case of larger pressure differences could lead to plastic deformation of the filter plate or even to a filter plate breakage.
  • the invention has for its object to further develop a filter press so that the filtration performance can be increased significantly without the risk of deformation or damage to the filter elements.
  • this object is achieved according to the invention in that at least two packets of filter elements are arranged in a common press frame in the horizontal direction next to and or one behind the other.
  • the filter press according to the invention neither the overall height, ie the H. the number of filter elements arranged one above the other, and the size of the individual filter elements itself increased. Rather, the effective filter area is increased by arranging packets of filter elements next to one another or one behind the other, with all packets being arranged in a single press frame.
  • the costs for the filter press according to the invention are therefore comparatively low, since on the one hand the available filter elements can be used and on the other hand only a single press frame is required.
  • At least two packets arranged side by side and / or one behind the other in the horizontal direction have a common filter medium.
  • a common drive of the filter medium and a common washing device and common collecting devices for the dropped filter cake can be used.
  • the filter elements of at least two adjacent ones arranged in one plane Packages have a common frame in which a number of filter plates corresponding to the number of filter elements is each mounted with marginal play so that different thermal expansions of the filter plate and frame can be compensated for, and deflection rollers for the filter medium are attached to the frame.
  • each filter plate can be surrounded by a frame leg on all end faces.
  • the invention is further developed so that adjacent filter elements overlap one another in the horizontal direction. As a result, the penetration of filter cakes into gap areas between adjacent packets can be avoided or significantly reduced.
  • a particularly advantageous and structurally easy to carry out embodiment consists in that L-shaped profiles are fastened to mutually facing end faces of the filter elements, the horizontally extending legs of which overlap.
  • the filter elements are rectangular and several filter elements with their narrow sides are arranged one behind the other and have a common filter medium that can be moved in the longitudinal direction of the filter elements ,
  • Figure 1 is a side view of a filter press.
  • FIG. 2 shows a section through the filter press according to FIG. 1 with suspension pipes and filtrate drain pipes;
  • Fig. 4 shows a longitudinal section along the line IV through two filter elements arranged one behind the other.
  • the filter press 1 shown in FIGS. 1 to 4 serves for the filtration of suspensions and has a press frame 2 which comprises an upper yoke 3, a lower yoke 4, feet 5 and a guide frame 5 '.
  • the filter press 1 has four packages A, B, C, D of filter elements 6, which are aligned horizontally and are stacked vertically one above the other within each package A, B, C, D.
  • a filter chamber is arranged between each of two adjacent filter elements 6 in the vertical direction, which is bounded by a band-shaped filter medium 7 toward the lower filter element 6.
  • the filter press 1 is shown in an open position of the packets A, B, C, D of filter plates, in which there is a discharge distance 8 between adjacent filter elements 6 in the vertical direction.
  • the band-shaped filter medium 7 runs zigzag in the spaces between adjacent filter elements 6 and is deflected with the aid of deflection rollers 9, the bearing arms of which are not shown for reasons of clarity.
  • a filter belt washing system 10 and a filter belt drive 11 are shown schematically in FIG.
  • the filter elements 6 and the filter medium 7 running between them are pressed against one another with the aid of four hydraulic cylinders 12.
  • the filter chambers are fed to the filter chambers via suspension tubes 13 and flexible suspension hoses 14 starting therefrom.
  • the filtrate passes through filtrate drain hoses 15 into filtrate drain pipes 16.
  • the band-shaped filter medium 7 has such a width 17 that the filter medium 7 covers the packets A and C as well as B and D lying next to one another perpendicular to the direction of movement thereof.
  • Each filter element 6 in the four packets A, B, C, D has a rectangular filter plate 18 with a filter mirror 18 'shown hatched horizontally.
  • Four filter plates 18 arranged within one plane are surrounded by a common rectangular frame 19 which has two central struts 20 and 21 which are at right angles to one another.
  • Each of the filter plates 18 is connected on its opposite longitudinal sides 22 to two and on the opposite end faces 23 each with a pin-shaped connecting element 24 to the frame 19 or the central struts 20 and 21. Due to the filter plates 18 on all sides surrounding play S, different expansions - due to an increase in temperature during the filtration - between the filter plates 18 made of plastic, in particular polypropylene, and the frame 19 made of steel can be compensated for.
  • an L-shaped profile 25 and 26 is arranged on facing end faces 23 of the filter plates 18, the upper horizontally extending legs 27 and 28 of which overlap one another. This prevents filter cakes or other deposits from getting into the space between packages C and D (or A and B).
  • Filte ⁇ resse (1) for the filtration of suspensions with at least one in a press frame (2) stored package (A, B, C, D) of horizontally oriented filter elements (6), a filter chamber being arranged between adjacent filter elements (6) , which is bounded at least on one side by a band-shaped filter medium (7) and wherein the package (A, B, C, D) of filter elements (6) starting from a filtration position in which the filter elements (6) are pressed tightly against each other into a Openable position can be transferred, in which adjacent filter elements (6) have an emptying distance (8) from one another in the vertical direction, characterized in that at least two packets (A, B, C, D) of filter elements (6) in the common press frame (2) are arranged side by side and / or one behind the other in the horizontal direction.
  • Filte ⁇ resse according to claim 1 characterized in that at least two in the horizontal direction side by side and / or arranged one behind the other packages (A, B, C, D) have a common filter medium (7).
  • Filte ⁇ resse according to claim 1 or 2, characterized in that the arranged in one plane filter elements (6) of at least two adjacent packets (A, B, C, D) have a common frame (19) in which one of the number of Filter elements (6) corresponding number of Filte ⁇ latten (18) each with edge play (S) is mounted so that different thermal expansions of Filte ⁇ latte (18) and frame (19) can be compensated and where deflection rollers (9) for the filter medium (7) the frame (19) are attached.
  • Filte ⁇ resse according to one of claims 1 to 4, characterized in that adjacent filter elements (6) overlap each other in the horizontal direction.
  • Filte ⁇ resse according to claim 5 characterized in that on mutually facing end faces (23) of the filter elements (6) L-shaped profiles (25, 26) are attached, the horizontally extending legs (27, 28) overlap.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)

Abstract

La présente invention concerne un presse-filtre (1) servant au filtrage de suspensions, présentant au moins un ensemble (A, B, C, D) d'éléments de filtrage (6) de direction horizontale, lesdits ensembles étant disposés dans un bâti de presse (2). Selon l'invention, entre des éléments de filtrage voisins (6) se trouve respectivement un compartiment de filtrage qui est limité au moins d'un côté par une matière de filtrage (7) se présentant en bande, et l'ensemble (A, B, C, D) d'éléments de filtrage (6) peut passer d'une position de filtrage dans laquelle les éléments de filtrage (6) appuient l'un contre l'autre de manière étanche, à une position d'ouverture dans laquelle les éléments de filtrage voisins (6) présentent l'un par rapport à l'autre en direction verticale un espace d'évacuation (8). L'invention a pour objet la réalisation d'un filtre-presse (1) ayant une capacité de filtrage maximale sans qu'il y ait un risque de flexion des éléments de filtrage (6) ou que l'encombrement en hauteur prenne des valeurs trop élevées. A cet effet, au moins deux ensembles (A, B, C, D) d'éléments de filtrage (6) sont disposés dans le même bâti de presse (2) en direction horizontale l'un à côté de l'autre et/ou l'un derrière l'autre.
PCT/EP2001/013382 2000-12-12 2001-11-20 Filtre-presse servant au filtrage de suspensions Ceased WO2002047787A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002219122A AU2002219122A1 (en) 2000-12-12 2001-11-20 Filter press for filtering suspensions

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10061919A DE10061919C1 (de) 2000-12-12 2000-12-12 Filterpresse zur Filtration von Suspensionen
DE10061919.3 2000-12-12

Publications (1)

Publication Number Publication Date
WO2002047787A1 true WO2002047787A1 (fr) 2002-06-20

Family

ID=7666865

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2001/013382 Ceased WO2002047787A1 (fr) 2000-12-12 2001-11-20 Filtre-presse servant au filtrage de suspensions

Country Status (3)

Country Link
AU (1) AU2002219122A1 (fr)
DE (1) DE10061919C1 (fr)
WO (1) WO2002047787A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013059556A1 (fr) 2011-10-19 2013-04-25 Flsmidth A/S Filtre-presse contigu et ses procédés de fabrication

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10304005B4 (de) * 2003-02-01 2007-09-13 Outokumpu Oyj Filterplatte für eine Filterpresse
DE10304004B3 (de) * 2003-02-01 2004-04-29 Outokumpu Oyj Rahmen zur Halterung einer Filterplatte in einer Filterpresse
CN110877292B (zh) * 2019-10-23 2021-10-08 安徽中马磁能科技股份有限公司 一种永磁铁氧体磨削料自动收集再利用装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4346003A (en) * 1980-11-03 1982-08-24 Polyakov Nikolai F Mash-separating filter-press
DE3441718A1 (de) * 1984-11-15 1986-05-15 Grau Feinwerktechnik GmbH & Co, 7926 Böhmenkirch Plattenfilterpresse
DE3600526A1 (de) * 1986-01-10 1987-07-16 Grau Feinwerktech Membranfilterpresse

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3306206C2 (de) * 1983-02-23 1986-01-09 Achenbach Buschhütten GmbH, 5910 Kreuztal Horizontalplattenfilter
DE4207564C2 (de) * 1992-03-10 1994-03-10 Achenbach Buschhuetten Gmbh Horizontalplattenfilter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4346003A (en) * 1980-11-03 1982-08-24 Polyakov Nikolai F Mash-separating filter-press
DE3441718A1 (de) * 1984-11-15 1986-05-15 Grau Feinwerktechnik GmbH & Co, 7926 Böhmenkirch Plattenfilterpresse
DE3600526A1 (de) * 1986-01-10 1987-07-16 Grau Feinwerktech Membranfilterpresse

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013059556A1 (fr) 2011-10-19 2013-04-25 Flsmidth A/S Filtre-presse contigu et ses procédés de fabrication
CN104136087A (zh) * 2011-10-19 2014-11-05 Fl史密斯公司 连续压滤机及其制造方法
EP2802395A4 (fr) * 2011-10-19 2015-01-28 Smidth As F L Filtre-presse contigu et ses procédés de fabrication

Also Published As

Publication number Publication date
DE10061919C1 (de) 2002-02-07
AU2002219122A1 (en) 2002-06-24

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