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
  • B30B9/04—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
  • B30B9/08—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 co-operating with a rotary casing
• • 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
  • B30B9/26—Permeable casings or strainers
  • B30B9/262—Permeable casings or strainers means disposed in the casing facilitating the squeezing-out of liquid

Definitions

• the present invention relates to a horizontal press with trays intended to ensure the pressing of materials, for example grapes, fermented or not, in order to extract the juice therefrom.
• a horizontal press with trays intended to ensure the pressing of materials, for example grapes, fermented or not, in order to extract the juice therefrom.
• a press comprises a central screw with inverted pitch carrying circular plates which move in a cylindrical cage, co-axial with said screw.
• the plates are initially arranged near the end faces of the cage, then, after having filled the cage with material to be pressed, said plates are brought together. During this approximation, they exert a pressure on the material which is in the cylindrical cage in order to extract the juice from it.
• the juice thus extracted flows through orifices made in the wall of the cage and is collected in an evacuation device provided for this purpose.
• the present invention provides an improvement to horizontal presses consisting in placing a drainage device in the cylinder defined by the cage. This drainage device makes it possible to evacuate, during the pressurization, the juice present within the material.
• the horizontal presses are implemented by carrying out several successive cycles of pressure build-up followed by intermediate operations of zeroing the pressure and restoring.
• the pressure usually ranges from one bar at the start of pressing to eight bars at the end of pressing.
• the characteristic of this process is that, instead of carrying out successive pressurizations going from one bar to eight bars with spacing of the plates at each cycle to carry out a drafting of the pressed materials, one carries out successive pressurizations going from a bar at three bars in small steps (between 0.25 and 1 bar) with or without pressure reset.
• FIG. 1 is a schematic view, partially in longitudinal section, of a horizontal press according to a first embodiment of the invention
• - Figure 2 is a view, in cross section, of a press an alternative embodiment of the invention
• FIG. 3 is a diagram illustrating the implementation of a press according to the invention in comparison with the prior devices
• FIG. 4 schematically represents a first embodiment of a drainage device associated with the plates tightening
• Figure 5 is a view along arrow F of Figure 4
• Figure 6 is a schematic view of a second embodiment
• Figure 7 is a schematic view of a third embodiment
• Figure 8 is a schematic view illustrating the simultaneous use of a central drain and two lateral drains.
• a horizontal press of known type comprising a central support shaft 1 provided with two threads 2 and 3, reversed, on which the screws are screwed sleeves 4 and 5, each carrying a circular plate 6 and 7.
• the plates 6 and 7 can slide inside the cylindrical cage 8, provided with slots 9; but are rotated with said cage.
• the cage is provided with a rigid and non-deformable drainage device 11 which is placed along its vertical median plane XX.
• this drainage device consists of a cylindrical housing 12, provided with a plurality of orifices or slots 13.
• this box 12 From place to place the interior volume of this box 12 is provided on its periphery with orifices 14 opening out from the cage 8.
• the cage 8 When the cage 8 is rotated in one direction, the plates 6 and 7 approach and the grapes or marc which are inside are pressed.
• Figures 2 and 3 relate to a variant.
• the housing 12 can, according to the invention be replaced by rigid and deformable tubes, provided with perforations.
• the drainage device 20 is constituted by two transverse parallel tubes 21 and 22 arranged on either side of the shaft 1, parallel to a diameter.
• a tube 23 is connected perpendicularly to the tube 21 and to the tube 22 a tube 24.
• the tubes 23 and 24 are connected in the middle of the tubes 21 and 22 but any other arrangement is possible.
• They can also be arranged radially in a star.
• the tubes 21, 22, 23 or 24 communicate with the outside of the cage through orifices 25.
• FIG 1 there is shown a cage 8 having no means of repairing such as known means, constituted by arches connected to each other by chains, because because of the process implemented these means of repairing are no longer needed.
• FIG. 3 comprises two diagrams which illustrate in a comparative manner the implementation of a press according to the present invention in comparison with the previous implementations.
• Curve "A” shows that using the usual method of implementation, we reached the pressure of 1 bar in about 45 minutes, extracting 3.30 hl of wine.
• Curve "B” shows that by using the process of patent FR 99.14270 we arrived at 1 bar in 70 minutes, by extracting 6.30 hl of wine.
• Curve “C” shows that by using the method of patent FR 99.14270 by having a central drain such as the drain 20 of the present invention, 10.28 hl of wine was extracted in 35 minutes.
• FIGS. 4 and 5 illustrate a first embodiment of the lateral drains attached to the interior faces of the plates 6 and 7.
• Each housing 30 is a flat cylindrical housing, made of perforated stainless steel sheet, through which the central screw 1 passes.
• each housing 30 in contact with the material to be pressed is vertical, while its rear face has a slope corresponding to that of the face of the plate 6 or 7, against which it bears.
• the evacuation of the juices or wines, penetrating into the boxes 30, is done by a pipe 31 opening out at the rear of the plate 6 or 7, this pipe 31 being able to be extended by a pipe 32.
• annular housings 30 are completed by annular housings 30a: so that each set 30 + 30a covers the entire interior surface of the plates 6 and 7.
• FIG. 8 represents a final embodiment of the invention in which the cage 8 is provided with both central drainage means 20 corresponding to FIG. 2 and lateral drainage means corresponding to FIG. 7.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
• Beans For Foods Or Fodder (AREA)

Applications Claiming Priority (3)

Publications (1)

Family

ID=8869042

Family Applications (1)

Country Status (3)

Families Citing this family (1)

Family Cites Families (3)

• 2001
  • 2001-11-02 FR FR0114244A patent/FR2831770B1/fr not_active Expired - Fee Related
• 2002
  • 2002-10-30 EP EP02795356A patent/EP1439948A1/de not_active Withdrawn
  • 2002-10-30 WO PCT/FR2002/003726 patent/WO2003037609A1/fr not_active Ceased

Non-Patent Citations (1)

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