EP0700335B1 - Procede d'amenee de matiere a presser a un filtre-presse - Google Patents

Procede d'amenee de matiere a presser a un filtre-presse Download PDF

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Publication number
EP0700335B1
EP0700335B1 EP95910384A EP95910384A EP0700335B1 EP 0700335 B1 EP0700335 B1 EP 0700335B1 EP 95910384 A EP95910384 A EP 95910384A EP 95910384 A EP95910384 A EP 95910384A EP 0700335 B1 EP0700335 B1 EP 0700335B1
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EP
European Patent Office
Prior art keywords
pressing
pressed
pressure
press
chamber
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.)
Expired - Lifetime
Application number
EP95910384A
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German (de)
English (en)
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EP0700335A1 (fr
Inventor
Eduard Hartmann
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.)
Bucher Guyer AG
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Bucher Guyer AG
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Publication date
Application filed by Bucher Guyer AG filed Critical Bucher Guyer AG
Publication of EP0700335A1 publication Critical patent/EP0700335A1/fr
Application granted granted Critical
Publication of EP0700335B1 publication Critical patent/EP0700335B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
    • B30B9/22—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using a flexible member, e.g. diaphragm, urged by fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
    • B30B9/04—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using press rams
    • B30B9/047—Control arrangements

Definitions

  • the invention relates to a method for feeding Press material to a filter press with a press room for the Solid-liquid separation of material to be pressed, the material to be pressed to Press room fed and there under the influence of a Pressed press force is pressed out.
  • the press is overcrowded if it is too big Press cushion the relationship between effective Filter area and current baling chamber volume is too small and thus a deterioration in juicing performance entry.
  • the feed was of the pressed material so that during a due constant prefilling time chosen from empirical values is filled.
  • a pre-fill time only a fraction of the time for goods that are difficult to press is needed, which applies to goods that can be easily pressed. It turns out to be very useful, especially when pressing fruit difficult to determine an optimal pre-fill time because the Goods can also be pressed from batch to batch fluctuates very strongly.
  • the invention is therefore based on the object Process for feeding pressed material to a Filter press to indicate which is an optimal performance and Yield of the solid-liquid separation results.
  • this object is achieved achieved that in a first step the material to be pressed is fed to the press room without interruption, whereby several at the same time by means of press strokes of the press element Impressions are made and that in a second Step the impressions are continued, taking the Feeding the pressed material to the press room during the Pressing is interrupted.
  • a pneumatically driven press of known type for Carrying out the method according to the invention shows Fig. 1. It comprises an elongated cylindrical Press tank 1, in the middle of which a flexible inside Membrane 2 is attached.
  • the membrane 2 divides the Press tank 1 lengthways into a pressure chamber 3 and a press room 6.
  • the pressure chamber 3 is connected by a double arrow 4 symbolized opening compressed air supplied or discharged.
  • the too Pressed goods are the press room 6 through an opening 5th fed.
  • the liquid portion of the Press material through a filter 7 in the press tank 1 into one Collecting channel 8, from where it goes to the outside via a line 9 is derived.
  • the supply of the pressed material is Press material without interruption in the press room 6 via the Opening 5 supplied, the membrane 2 by means of press strokes several impressions can be made simultaneously.
  • Fig. 2 shows a chamber filter press of a known type in Cut.
  • a filter 11 which by a Intermediate frame 12 spaced and through a chamber cover 14 as a support fixes a pressure membrane 13 opposite stands.
  • the material to be pressed is fed in via a Opening 15 in the intermediate frame 12 continuously, under the effect of an opening 16 in the chamber lid 14 or discharged compressed air by means of press strokes Pressure membrane 13 simultaneously several impressions be made.
  • the liquid portion squeezed out the material to be pressed is opened through an opening 26 in the chamber bottom 10 derived to the outside.
  • the unit of the so far described Chamber filter press is activated from the outside Clamping forces held together by the arrows 17th are symbolized.
  • For an emptying process of the Press residue is between the chamber floor 10 and Intermediate frame 12 at the point designated by 18 Removal of the clamping forces 17 made a separation.
  • Fig. 3 shows schematically a horizontal Filter piston press of known type. It comprises one Press jacket 31, which is detachable with a pressure plate 32 connected is. The pressure plate 32 is opposite inside the press cover 31, the second pressure plate 33, which via a plunger 36 on a piston rod 43 is attached. The piston rod 43 is in one hydraulic cylinder movably mounted, as the arrow 20 indicates, and leads over the plunger 36 Pressing operations. Between the pressure plates 32 and 33 the pressed material 37 via a closable filling opening 44 introduced through which a variety of Drainage elements 35 extends.
  • the drainage elements 35 guide the during the pressing process liquid phase of the pressed material 37 in collecting chambers 38 and 39, which is arranged behind the pressure plates 32 and 33 are.
  • the pressed material can be fruit and at the liquid phase around fruit juice.
  • Under the Pressure action of the plunger 36 reaches the liquid phase from the pressed material 37 via the collecting chambers 38, 39 in Drain lines 40 to the outside.
  • the press force is in the generated hydraulic cylinder, being between the front Pressure plate 32 together with the press jacket 31 and the cylinder there is a non-positive connection, not shown. After the pressing process is complete, the Press by loosening and axially moving the press jacket 31 from the pressure plate 32.
  • this process is repeated until the forerunner Pressure plate 33 in the filled goods 37 the pressing pressure increases to a predetermined value PS, as is the time diagram for the press pressure shows.
  • An identified by F. Bar shows the continuous running at the same time Filling process.
  • the method is based on the ancestor of the printing plate 33 the constant position HS is waived. That's what you drive for in the first step P1, only with each pressing, until the pressure in the material to be pressed is below or equal to Feed pressure of the material to be pressed reached during filling process F.
  • the pressure plate 33 reaches with progressive Filling of the press room Positions that differ from HS remove more and more.
  • the continuous filling process F is interrupted in this case if a Limit position HE is reached, with which the second Method step P2 begins.
  • FIG. 4 shows a summary of that of FIG. 3 described delivery method a flowchart for the first step P1.
  • the procedure described so far for feeding Offers material to be pressed with the two steps according to the invention an automatic adjustment of the pre-fill time to the Pressability of the goods.
  • the first step is just straight filled in as much material as is required to make one to generate sufficient press cushion. At the same time avoid overfilling the press. So that will enables goods to be pressed very differently automatically and without specifying the setpoint so that in relation to the yield and juicing performance of a filter press optimal behavior is achieved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
  • Filtration Of Liquid (AREA)
  • Press Drives And Press Lines (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Advancing Webs (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Non-Alcoholic Beverages (AREA)
  • Fodder In General (AREA)
  • Forging (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Claims (8)

  1. Procédé d'amenée de matière à presser (37) à un filtre-presse ou pressoir comprenant une chambre de pressage (6) pour la séparation solide-liquide de la matière pressée, procédé selon lequel la matière à presser est amenée à la chambre de pressage (6) et y est soumise à une pression pour en faire sortir le liquide sous l'effet d'un élément presseur (2, 13, 33) auquel est appliquée une force de pression, caractérisé en ce que, dans une première étape (P1), la matière à presser (37) est amenée sans interruption à la chambre de pressage (6) et plusieurs pressions sont effectuées simultanément par des mouvements ou courses de compression de l'élément presseur (2, 13, 33) et que, dans une seconde étape (P2), les pressions sont poursuivies, mais avec des interruptions dans l'amenée de la matière à presser (37) à la chambre de pressage (6) pendant les pressions.
  2. Procédé selon la revendication 1, caractérisé en ce que le début de la seconde étape (P2) s'effectue par une interruption de l'amenée de la matière à presser (37) à la chambre de pressage (6) dès que, lors d'une opération de pression, une valeur de pression limite (PS) préfixée est atteinte dans la chambre de pressage.
  3. Procédé selon la revendication 1, caractérisé en ce que, dans la première étape (P1), les mouvements de compression, produits par l'avance de l'élément presseur (2, 13, 33), lors des pressions, sont choisis de manière que la pression de compression établie dans la matière pressée (37) s'élève seulement jusqu'à une valeur limite inférieure à la pression d'amenée de la matière à presser (37) et que, après l'exécution des avances, une dépression est créée dans la chambre de pressage par la rétraction de l'élément presseur (2, 13, 33).
  4. Procédé selon la revendication 3, caractérisé en ce que le début de la seconde étape (P2) s'effectue par une interruption de l'amenée de la matière à presser (37) à la chambre de pressage (6) dès que l'élément presseur (2, 13, 33) atteint, dans une opération de pression, un mouvement minimal (HE) préfixé de compression dans la chambre de pressage (6).
  5. Procédé selon la revendication 1, caractérisé en ce que, dans la seconde étape (P2), l'amenée de la matière à presser (37) à la chambre de pressage (6) est interrompue lorsque la pression de compression dans la chambre de pressage s'élève.
  6. Procédé selon la revendication 1, caractérisé en ce que, dans la première étape (P1), les mouvements de compression, produits par l'avance de l'élément presseur (2, 13, 33), lors des pressions, sont choisis de manière que le volume de la chambre de pressage se réduise seulement jusqu'à une valeur limite (HS), et que la rétraction de l'élément presseur est déclenchée après que cette valeur limite (HS) a été atteinte.
  7. Procédé selon la revendication 6, caractérisé en ce que, en cas d'utilisation d'un pressoir à piston comme filtre-presse, l'arrivée à la valeur limite (HS) du volume de la chambre de pressage est déterminée par une interrogation d'une valeur de consigne de la course du piston.
  8. Procédé selon la revendication 3 ou 6, caractérisé en ce que, dans la première étape, après que la valeur limite du volume de la chambre de pressage (HS) ou de la pression de compression a été atteinte, la force de pression appliquée à l'élément presseur (2, 13, 33) est diminuée jusqu'à ce que la pression de compression descende sous la pression d'amenée de la matière à presser (37), et que cette pression est ensuite maintenue à peu près constante pendant une durée déterminée, avant que ne soit déclenchée la rétraction de l'élément presseur.
EP95910384A 1994-03-25 1995-03-13 Procede d'amenee de matiere a presser a un filtre-presse Expired - Lifetime EP0700335B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH00895/94A CH688797A5 (de) 1994-03-25 1994-03-25 Verfahren fuer die Zufuehrung von Pressgut zu einer Filterpresse.
CH895/94 1994-03-25
PCT/CH1995/000054 WO1995026265A1 (fr) 1994-03-25 1995-03-13 Procede d'amenee de matiere a presser a un filtre-presse

Publications (2)

Publication Number Publication Date
EP0700335A1 EP0700335A1 (fr) 1996-03-13
EP0700335B1 true EP0700335B1 (fr) 1998-04-29

Family

ID=4197683

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95910384A Expired - Lifetime EP0700335B1 (fr) 1994-03-25 1995-03-13 Procede d'amenee de matiere a presser a un filtre-presse

Country Status (23)

Country Link
US (1) US5579683A (fr)
EP (1) EP0700335B1 (fr)
JP (1) JP3659647B2 (fr)
CN (1) CN1080189C (fr)
AT (1) ATE165557T1 (fr)
AU (1) AU677149B2 (fr)
BR (1) BR9505865A (fr)
CA (1) CA2163639C (fr)
CH (1) CH688797A5 (fr)
CZ (1) CZ286369B6 (fr)
DE (1) DE59502040D1 (fr)
ES (1) ES2115369T3 (fr)
HR (1) HRP950143A2 (fr)
HU (1) HU214559B (fr)
MD (1) MD1635B2 (fr)
NZ (1) NZ281564A (fr)
PL (1) PL175974B1 (fr)
RU (1) RU2127192C1 (fr)
SK (1) SK280420B6 (fr)
TR (1) TR28741A (fr)
WO (1) WO1995026265A1 (fr)
YU (1) YU18995A (fr)
ZA (1) ZA952402B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH688797A5 (de) * 1994-03-25 1998-03-31 Bucher Guyer Ag Masch Verfahren fuer die Zufuehrung von Pressgut zu einer Filterpresse.
ES2211273B2 (es) * 2002-03-11 2005-04-01 Silvino Alonso Juarros Prensa vertical de uva y procedimiento de prensado efectuado por la misma.
ATE434514T1 (de) * 2004-05-10 2009-07-15 Bucher Guyer Ag Verfahren zum betrieb einer filterpresse mit presskolben
ITPD20120190A1 (it) * 2012-06-12 2013-12-13 S P Srl Procedimento di filtrazione meccanica per la disidratazione di fanghi e filtropressa attuante tale procedimento

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE502180C (de) * 1929-03-12 1930-07-14 Julius Jonas Dipl Ing Verfahren zur drahtlosen Fernuebertragung von niederfrequenten Wellen (von Hoerfrequenz oder Bildfrequenz) mit Hilfe hochfrequenter Traegerwellen
CH399185A (de) * 1963-01-03 1966-03-31 Bucher Guyer Ag Masch Verfahren und Einrichtung zum Einfüllen der Maische aus Trauben, Obst und dergl. Pressgut in eine Presse
DE2050597A1 (de) * 1970-10-15 1972-05-31 Mörtl, Karl, 8780 Gemünden Weinerntekombinationsgerät
DE2057300A1 (de) * 1970-11-21 1972-05-31 Karl Moertl Weinerntekombinationsgeraet mit automatischer Steuerung des Pressvorganges
FR2322002A1 (fr) * 1975-08-25 1977-03-25 Chalonnaises Const Mec Met Dispositif de commande pour pressoir
DE2848446A1 (de) * 1977-12-15 1979-06-21 Bucher Guyer Ag Masch Vorrichtung zum entsaften von landwirtschaftlichen produkten, insbesondere von fruechten
NL7802947A (nl) * 1978-03-17 1979-09-19 Brouwer & Co Holding Inrichting voor het scheiden van vleesresten van beenderen.
JPS5613011A (en) * 1979-07-10 1981-02-07 Toshiba Corp Operation controlling method of filter press type sludge dehydrator
GB2059277B (en) * 1979-09-25 1983-02-16 Coal Industry Patents Ltd Controlling the treatment of mixtures comprising solid and liquid
IT1165777B (it) * 1982-11-05 1987-04-29 Primo Melandri Procedimento di vinificazione e impianto per attuarlo
US4467715A (en) * 1983-02-28 1984-08-28 Bunger Richard E Moisture reducing ram press
FR2669266B1 (fr) * 1990-11-16 1995-12-01 Chalonnaises Const Mec Met Procede de pressurage et dispositif pour sa mise en óoeuvre.
US5275740A (en) * 1992-06-08 1994-01-04 Jwi, Inc. Filter press with adaptive automated control arrangement
CH688797A5 (de) * 1994-03-25 1998-03-31 Bucher Guyer Ag Masch Verfahren fuer die Zufuehrung von Pressgut zu einer Filterpresse.
CH689381A5 (de) * 1994-03-30 1999-03-31 Bucher Guyer Ag Masch Verfahren zur Bestimmung und Verwendung der Fuellmengen von Pressgut bei der Fest/Fluessig-Trennung mit einer Filterpresse.
FR2754758B1 (fr) * 1996-10-18 1999-01-08 Hubert Bernard Louis Felicien Presse a filtrer

Also Published As

Publication number Publication date
CZ306895A3 (en) 1996-12-11
MD950439A (en) 1999-08-30
DE59502040D1 (de) 1998-06-04
BR9505865A (pt) 1996-02-21
EP0700335A1 (fr) 1996-03-13
AU677149B2 (en) 1997-04-10
WO1995026265A1 (fr) 1995-10-05
CA2163639C (fr) 2005-08-16
PL311712A1 (en) 1996-03-04
HRP950143A2 (en) 1997-02-28
HUT74155A (en) 1996-11-28
CN1124476A (zh) 1996-06-12
ATE165557T1 (de) 1998-05-15
NZ281564A (en) 1997-07-27
PL175974B1 (pl) 1999-03-31
HU9503371D0 (en) 1996-03-28
SK146695A3 (en) 1997-05-07
MD1635B2 (ro) 2001-03-31
SK280420B6 (sk) 2000-02-14
ZA952402B (en) 1995-12-14
CH688797A5 (de) 1998-03-31
JP3659647B2 (ja) 2005-06-15
JPH08511203A (ja) 1996-11-26
YU18995A (sh) 1997-12-05
ES2115369T3 (es) 1998-06-16
HU214559B (hu) 1998-04-28
CZ286369B6 (cs) 2000-03-15
AU1752895A (en) 1995-10-17
CA2163639A1 (fr) 1995-10-05
US5579683A (en) 1996-12-03
RU2127192C1 (ru) 1999-03-10
CN1080189C (zh) 2002-03-06
TR28741A (tr) 1997-02-28

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