EP0029392B1 - Kontinuierliche Presse zum Wasserentzug aus dem Fruchtfleisch - Google Patents

Kontinuierliche Presse zum Wasserentzug aus dem Fruchtfleisch Download PDF

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Publication number
EP0029392B1
EP0029392B1 EP80401637A EP80401637A EP0029392B1 EP 0029392 B1 EP0029392 B1 EP 0029392B1 EP 80401637 A EP80401637 A EP 80401637A EP 80401637 A EP80401637 A EP 80401637A EP 0029392 B1 EP0029392 B1 EP 0029392B1
Authority
EP
European Patent Office
Prior art keywords
wheel
crown
levers
press
clamping
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
Application number
EP80401637A
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English (en)
French (fr)
Other versions
EP0029392A1 (de
Inventor
Jean-Luc Berry
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.)
GIE VALPRON
Original Assignee
GIE VALPRON
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 GIE VALPRON filed Critical GIE VALPRON
Priority to AT80401637T priority Critical patent/ATE5467T1/de
Publication of EP0029392A1 publication Critical patent/EP0029392A1/de
Application granted granted Critical
Publication of EP0029392B1 publication Critical patent/EP0029392B1/de
Expired legal-status Critical Current

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    • 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
    • B30B9/20—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 rotary pressing members, other than worms or screws, e.g. rollers, rings, discs
    • B30B9/207—Roller-and-ring presses

Definitions

  • the present invention relates to a continuous press intended for extracting by pressing the juice of industrial products such as beet or apple pulps, green cut fodder, in order either to recover this juice or to increase the dry matter content of the product in order reduce energy consumption during final drying.
  • industrial products such as beet or apple pulps, green cut fodder
  • presses which use two cylinders arranged one inside the other and offset so that the products introduced between the two cylinders can be pressed at the point of internal tangency of the cylinders.
  • the press according to this patent comprises an outer ring which is applied radially against a central wheel by means of a roller device which rests externally on the outer ring and can clamp it on the central wheel in a way adjustable by means of a clamping system arranged on either side of the wheel and the crown.
  • the roller clamping system is integral with the press frame so that the radial clamping force of one pressing cylinder on the other cannot be oriented at will, which is particularly annoying when the we want to squeeze all kinds of products.
  • the products to be pressed can have a variable consistency and constitution, which requires a particular choice of the position of the point of tangency or tightening of the two cylinders relative to the point of introduction for example, products between the cylinders .
  • the support of the cylinders and the clamping forces from one cylinder to the other are obtained by numerous and fixed mechanical parts, such as for example rollers between frame and external cylinder, tie rods and many other parts, so that in total the press constitutes a complicated machine consisting of a set of rigidly assembled elements, which prevents it from operating reliably for various types of products to be pressed. .
  • the object of the present invention is to remedy the above drawbacks in particular by proposing a very improved press and having all the qualities of flexibility of use desired, that is to say allowing, inter alia, the two internally tangent pressing cylinders to carry out a continuous, regular and reliable pressing of very diverse products without affecting the operation of the press.
  • a very improved press and having all the qualities of flexibility of use desired, that is to say allowing, inter alia, the two internally tangent pressing cylinders to carry out a continuous, regular and reliable pressing of very diverse products without affecting the operation of the press.
  • the invention relates to a continuous press intended for pressing any products, such as for example vegetables, fruit or fodder and of the type comprising a central wheel associated with an outer crown constituting with the wheel a movable assembly in rotation. of two cylinders which are substantially tangent internally and between which said products are pressed, said outer ring being applied radially against the central wheel by means of a roller device or the like which bear externally on the outer ring and can tighten the latter on the central wheel in an adjustable manner by means of a clamping system arranged laterally on either side of the wheel and of the crown, characterized in that said clamping system consists of a first pair of levers coupled in such a way swiveling on bogies or rollers or reels supports and by a second pair of levers able to pivot freely around the axis of rotation of the wheel, said pairs of levers each journalling by one of their ends on a common axis maintained in a fixed position and also adjustable on the press frame to modify at will the position of the
  • lever clamping system is particularly judicious and effective for applying a precise clamping force to the outer ring by means of rollers or coils secured to a support which may have different orientations relative to the point d 'introduction of products to be pressed, which advantageously allows the pressing of very diverse products.
  • the aforementioned common axis is maintained on the frame by means of a bar provided with holes constituting various possible fixing points of the bar on the frame to allow a
  • orientation of the force or point of tightening of the crown on the wheel in a direction which can be fixed from a substantially vertical position corresponding to a high position of the coil holder up to a position exceeding the horizontal, inside d 'an angle of about 135 °.
  • the periphery of the rim of the central wheel has a profile with a wavy generator, while the inside of the outer ring also has a profile with a wavy generator corresponding to that of said rim.
  • These outer rings also serve to reinforce a perforated sheet belt.
  • fixed or mobile wiping, absorption, suction or blowing means for removing the expelled liquid are placed in the vicinity of the point of maximum pressure, outside of the outer ring, preferably between the above coils and rings.
  • the press according to the invention is further characterized in that the external profile of the rings has the form of opposite double truncated cones, and the external profile of the coils also has the form of double opposite conical trunks in relation to the external profile of the rings.
  • the coils transmitting the tightening force to the rings are rotated in one direction and at a speed in relation to the direction and the speed of rotation printed on the central wheel.
  • Figure 1 shows a schematic elevational view of the press according to the invention.
  • FIG. 2 shows a partial section of the press in left view according to points A, B, C of Figure 1 but on a different scale.
  • the press essentially comprises a central wheel 1, the hub 1A of which is integral with an axis 2 supported and driven in rotation by any known mechanical means, for example by a variable speed drive 2A schematically represented and carried by a base or frame 3.
  • an outer ring 4 constituted by a perforated belt with an inner diameter slightly greater than the outer diameter of the rim 1B, and by one or more outer rings 5, constitutes in association with the central wheel 1 a movable assembly in rotation of two cylinders substantially tangent internally.
  • the outer ring is applied to the central wheel 1 by means of two pairs of levers 6 and 6 ', 7 and 7', located on either side of the central wheel 1 and the outer ring 4, 5. All of these levers are articulated by one of their ends on a common and fixed axis 8. The other end of the levers 6, 6 'on the one hand and 7, 7' on the other hand pivots respectively on two pivots 9 and 10 associated with a mechanical, hydraulic or pneumatic clamping means 9 of a known type.
  • the clamping system 9 allows the levers 7, 7 'to be brought closer or apart at will from the levers 6, 6', that is to say ultimately the hubs 6A, 6'A of the pivots 12, 12 ' bogies so as to apply in a balanced manner to the coils 14, 14 ′ an approximately directed tightening force along L.
  • the position of the axis 8 is kept fixed by means of a return bar 15 fixed at 16 on the frame or base 3 and the useful length of which can be modified by the use for the fixing point 16 of holes 16 'provided for various positions on the reminder bar.
  • blowing or vacuum suction devices 20 are placed between the coils 14 and 14 'and directed between the rings 5 towards the bottom of the press.
  • the wheel 1 is rotated in the direction of the arrow F, driving the belt 4 and the rings 5 applied against the rim 1 B practically without slipping thanks to the tightening force provided by the system 9 and retransmitted by the levers 6 and 6 ', 7 and 7' to the coils 14 and 14 'which rotate freely while resting on the periphery of the rings5.
  • the product to be pressed, soaked in liquid, is introduced into E by means not shown and is driven in the direction of arrow F, between the deflectors 19, under the effect of the gradual approximation of the rim 1 B and the perforated sheet of the outer ring 4, which move in the same direction and at almost equal linear speeds.
  • the clamping force is therefore progressive and prolonged all along the path of the product.
  • the liquid is expelled gradually through the perforated belt of the crown 4. Taking into account the small angle formed by the walls of the associated clinydres in the mobile assembly in rotation, the product does not tend to return backward.
  • the separated liquid trickles along the outer wall of the perforated belt and moves towards the lowest point of the apparatus oi it can be collected by not shown simple means.
  • the product is collected in a thin, non-kneaded layer which promotes rapid expulsion of a large quantity of liquid.
  • This liquid is either driven down from the press by the blowing devices 20, or sucked by vacuum suction devices not shown. Thanks to the clamping system 9 adjustable by conventional means not shown, it is possible to apply a known and calibrated force at the end of the pressing operation.
  • the pressed product more or less adheres to the walls of the rim 1 B and of the perforated sheet surrounding the crown 4.
  • the flexible scrapers 17 and 18 detach it from these walls and discharge it laterally at the exit point S.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
  • Paper (AREA)
  • Press Drives And Press Lines (AREA)
  • Preparation Of Fruits And Vegetables (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)

Claims (7)

1. Stetige Presse zum Pressen von irgendwelchen Erzeugnissen wie zum Beispiel Gemüse, Früchten oder Futterpflanzen und der Bauart mit einem mittleren Rad (1), das einem äußeren Kranz (4) zugeordnet ist, welcher mit dem Rad (1) ein drehbares Ganzes von zwei innenseitig im wesentlich tangierenden Zylindern, zwischen welchen die besagten Erzeugnisse gepreßt werden, wobei der besagte äußere Kranz (4) radial an dem mittleren Rad (1) anliegt mittels einer Vorrichtung mit Rollen oder dergleichen (13. 14). die sich außenseitig an dem äußeren Kranz (4) abstützen und denselben gegen das mittlere Rad (1) drücken können, in einstellbarer Weise mittels einer seitlich beiderseits des Rads (1) und des Kranzes (4) angeordneten Spanneinrichtung, dadurch gekennzeichnet, daß die besagte Spanneinrichtung aus einem ersten Paar von schwenkbar an Drehgestellen bzw. Halterungen (13, 13') für Rollen oder Walzen (14) angekuppelten Hebeln (7, 7') und aus einem zweiten Paar von um die Drehachse (2) des Rades (1) frei schwenkbaren Hebeln (6, 6') besteht, wobei die besagten Paare von Hebeln (6, 6 und 7, 7') sich jedes mit einem ihrer Enden um eine gemeinsame ortsfeste Welle (8) drehen, welche ebenfalls am Pressegestell (3) einstellbar ist. um die Lage der Andruckstelle des Kranzes (4) an dem besagten Rad (1) willkürlich zu verändern, und sich mit ihrem anderen Ende jeweils auf zwei dem Spannmittel (9) zugeordneten Drehzapfen (10, 11) drehen, um die Hebel (7, 7 ) den Hebeln (6, 6') zu nähern oder von diesen zu entfernen.
2. Presse nach Anspruch 1, dadurch gekennzeichnet, daß die genannte gemeinsame Welle (8) an dem Gestell (3) über eine mit Löchern (16') versehene Stange (15) gehalten wird, wobei die Löcher verschiedene Befestigungsstellen (16) der Stange an dem Gestell bilden, um die Ausrichtung der Andruckkraft bzw. -stelle des Kranzes (4) an dem Rad (1) zu ermöglichen gemäß einer Richtung, die von einer im wesentlichen lotrechten, der oberen Lage der beweglichen Halterungen (13, 13') der Walzen (14, 14') entsprechenden Lage ab bis zu einer die Waagerechte innerhalb eines Winkels von ungefähr 135" überschreitenden Lage festlegbar ist.
3. Presse nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Umfang der Felge (1B) des mittleren Rades (1) ein Profil mit einer wellenförmigen Erzeugenden aufweist, während die Innenseite des äußeren Kranzes (4) ebenfalls ein demjenigen der besagten Felge ähnliches entsprechendes Profil mit einer wellenförmigen Erzeugenden aufweist.
4. Presse nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der genannte äußere Kranz (4) von insbesondere äußeren Ringen, mit welchen die genannten Walzen (14, 14) zusammenwirken, umgürtelt ist.
5. Presse nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß feste oder bewegliche Wisch-, Aufnahme-, Saug-oder Blasmittel (20) zum Entfernen der ausgestoßenen Flüssigkeit im Bereich der Höchstdruckstelle außerhalb des äußeren Kranzes (4) und vorzugsweise zwischen den Walzen (14, 14') und zwischen den Ringen (5) angeordnet sind.
6. Presse nach Anspruch 4 oder 5, dadurch gekennzeichnet, daß das Außenprofil der Ringe (5) die Gestalt von doppelten entgegengesetzten Kegelstümpfen und das Außenprofil der Walzen (14, 14') ebenfalls die Gestalt von doppelten entgegengesetzten Kegelstümpfen im Zusammenhang mit dem Außenprofil der Ringe (5) hat.
7. Presse nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die die Andruckkraft an die Ringe (5) übertragenden Walzen (14, 14') in einer Richtung und mit einer Geschwindigkeit, die im Zusammenhang mit der Richtung und mit einer dem mittleren Rad (1) verliehenen Drehgeschwindigkeit sind, gedreht werden.
EP80401637A 1979-11-15 1980-11-14 Kontinuierliche Presse zum Wasserentzug aus dem Fruchtfleisch Expired EP0029392B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT80401637T ATE5467T1 (de) 1979-11-15 1980-11-14 Kontinuierliche presse zum wasserentzug aus dem fruchtfleisch.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7928198 1979-11-15
FR7928198A FR2469273A1 (fr) 1979-11-15 1979-11-15 Presse continue pour deshydratation des pulpes

Publications (2)

Publication Number Publication Date
EP0029392A1 EP0029392A1 (de) 1981-05-27
EP0029392B1 true EP0029392B1 (de) 1983-11-30

Family

ID=9231730

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80401637A Expired EP0029392B1 (de) 1979-11-15 1980-11-14 Kontinuierliche Presse zum Wasserentzug aus dem Fruchtfleisch

Country Status (5)

Country Link
EP (1) EP0029392B1 (de)
AT (1) ATE5467T1 (de)
DE (1) DE3065790D1 (de)
ES (1) ES8201889A1 (de)
FR (1) FR2469273A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2527138A1 (fr) * 1982-05-24 1983-11-25 Sica Pulposec Chevrieres Presse continue, en particulier pour le pressage des pulpes de betteraves et autres produits contenant des jus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE49931C (de) * M. CRAW-FORD in New-York, V. St. A Presse mit excentrisch zu einander liegenden cylindrischen Prefsflächen
FR592105A (fr) * 1924-03-20 1925-07-28 Emidecau Sa Presse à action continue à pression réglable et à contrôle hydraulique
US3000294A (en) * 1957-10-01 1961-09-19 Lowe Edison Filter press

Also Published As

Publication number Publication date
FR2469273A1 (fr) 1981-05-22
EP0029392A1 (de) 1981-05-27
DE3065790D1 (en) 1984-01-05
ES496900A0 (es) 1982-01-01
ATE5467T1 (de) 1983-12-15
ES8201889A1 (es) 1982-01-01

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