EP3795343B1 - Rotary device for oil extraction from oilseed - Google Patents

Rotary device for oil extraction from oilseed Download PDF

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Publication number
EP3795343B1
EP3795343B1 EP19464015.7A EP19464015A EP3795343B1 EP 3795343 B1 EP3795343 B1 EP 3795343B1 EP 19464015 A EP19464015 A EP 19464015A EP 3795343 B1 EP3795343 B1 EP 3795343B1
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EP
European Patent Office
Prior art keywords
cups
oil
pressing
heating element
disks
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.)
Active
Application number
EP19464015.7A
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German (de)
French (fr)
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EP3795343A1 (en
Inventor
Silvia MIRONEASA
Costel MIRONEASA
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.)
Universitatea Stefan Cel Mare din Suceava
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Universitatea Stefan Cel Mare din Suceava
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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
    • B30B9/04—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
    • B30B9/042—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 casings mounted on a movable carrier, e.g. turntable
    • 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
    • B30B9/045—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 several adjacent casings
    • 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
    • B30B9/06—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 permeable casings or strainers
    • 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
    • B30B9/20—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
    • B30B9/202—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 with co-operating cones
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
    • C11B1/00—Production of fats or fatty oils from raw materials
    • C11B1/02—Pretreatment
    • C11B1/04—Pretreatment of vegetable raw material
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
    • C11B1/00—Production of fats or fatty oils from raw materials
    • C11B1/06—Production of fats or fatty oils from raw materials by pressing
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
    • C11B1/00—Production of fats or fatty oils from raw materials
    • C11B1/06—Production of fats or fatty oils from raw materials by pressing
    • C11B1/08—Production of fats or fatty oils from raw materials by pressing by hot pressing

Definitions

  • the invention refers to a rotary device suitable for extracting oil from oilseeds.
  • Various oil extraction devices from oilseeds which are based on extraction using screws are known ( US 2009/0 126 583 A1 ).
  • Their disadvantage consists of exerting a pressure that does not have the same value in the whole mass of seeds subjected to pressure. The lack of a uniform pressure causes a low yield extraction.
  • Another disadvantage is given by the interruption of the extraction cycle in order to evacuate the meal.
  • D1 ( US 3 357 345 A ) relates to a disc press for liquid removal comprising a pair of screened discs mounted for rotation about a pair of axes, the axes are intersecting intermediate of the discs at an angle, the discs have frustoconical surfaces defining a pressing zone that varies in thickness from an input zone having'the widest thickness to an output zone having the narrowest thickness.
  • a doctor extends between the frustoconical surfaces radially thereof outside the pressing zone, having transverse surfaces conforming closely" with the frustoconical surfaces, the doctor including a radially extending opening in contact through the transverse surfaces with the discs.
  • the press contains also a cleaner mounted in the opening, being movable in contact with the screened discs to remove knots therefrom and into a knot removal chamber.
  • a shredder is mounted at the output zone in spaced relation from the narrowest thickness. shredder including a multiplicity of shredding surfaces moving rapidly at an angle to the direction of output in the output zone to discharge product in shreds.
  • the technical problem solved by the invention consists in the use of a certain type of punch and two half-cups assembled on two disks of inclined rotational axes to extract the seed oil by mechanical pressing.
  • the complex constructive form of the punch is obtained by two shapes: a shape generated by the rotation on a circle of an involute curve around the axis of symmetry which ensures seed pressing and engages the surfaces of the two half-cups and, at the peak, a shape generated by the rotation on a circle around the axis of symmetry of a parabolic curve.
  • These forms ensure constant pressure over the entire mass of seeds subject to pressure and amplify the mechanical work that is exerted to the seeds.
  • the half-cups have two forms inside, one generated by the rotation on a circle around the axis of symmetry of an involute curve and one generated by the rotation on a circle around the axis of symmetry of a line.
  • the oil extraction device eliminates the disadvantages of the known solutions and solves the proposed technical problem by using the half-cups, assembled on the two discs with inclined axes, which, joined together with a plate, form a pressing cavity into which a punch is inserted, ensuring a uniform pressing, and engage the disks into a rotation motion that brings another cavity filled with seeds in front of the next punch.
  • the half-cups open and allow easy evacuation of the shed on a sloped trough to a pellet tank.
  • the oil extraction device according to the invention, has the following advantages:
  • the device consists of two frustoconical disks 12 which have inclined rotational axes and bearings on the surfaces a.
  • the operation of the two frustoconical disks 12 is done simultaneously by engaging the punch 1 and the perforated half-cups 6 assembled at the front of the frustoconical disks, in semi-cavities that have internal drainage channels for oil flow during pressing, Figure 1B , section A-A.
  • the operating in the sequential rotation motion of the punch carrying disk 11 is performed by coupling surface b to a kinematics chain provided with a gear-motor system.
  • the heating elements 13 that provide the optimum extraction temperature are placed inside the two frustoconical disks.
  • the channels c are made radially, in order to allow the oil to be evacuated during the pressing phase.
  • the half-cups 6, fitted with radial outlet holes for the oil evacuation obtained by pressing are assembled, Figure 2 .
  • the channels are equidistant and executed in front of the radial holes from the half-cups 6.
  • the loading with the oilseeds that will be pressed is done from the loading seed tank 9, by free fall, Figure 1A .
  • the seeds will fill the cavity formed by the two half-cups and the sieve type plate 2.
  • the pressing area comprises the cavity formed by the two perforated half-cups 6, the plate 2 and the punch 1, on the punch carrying disk 11 which comprises the assembled punches, Figure 2 .
  • the punch 1 has a complex constructive form that includes a base volume d generated by the rotation of an involutes profile in the vertical plane to ensure the gearing with the perforated half-cups 6 and a peak volume e generated by the rotation of a parabola in vertical plane to ensure a constant pressure in the whole mass of seeds subject to pressing.
  • a heating element 10 is assembled on the punch carrying disk 11 which performs the heating of the punches necessary to ensure the optimum extraction temperature, Figure 1B .
  • the plate 2 of semi-cylindrical shape has holes near the pressing area which allow the oil obtained from the pressing of the seeds to drain, followed by an area that supports the scrap pellets formed as a result of the pressing until the release of the two half-cups 6 occurs which allow the pellets to discharge. After removal, the pellets will slide on the inclined trough 5 in the pellet tank 7, Figure 1A , section C-C.
  • the oil trough 3 At the bottom of the plate 2 there is the oil trough 3. It has a longitudinal section in a semi-cylindrical shape and is U-shaped in cross-section.
  • the trough for oil 3 has a - length equal to the plate 2 and continues to the oil tank 4, Figure 1A , section C-C.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Fats And Perfumes (AREA)

Description

  • The invention refers to a rotary device suitable for extracting oil from oilseeds. Various oil extraction devices from oilseeds which are based on extraction using screws are known ( US 2009/0 126 583 A1 ). Their disadvantage consists of exerting a pressure that does not have the same value in the whole mass of seeds subjected to pressure. The lack of a uniform pressure causes a low yield extraction. Another disadvantage is given by the interruption of the extraction cycle in order to evacuate the meal.
  • D1 ( US 3 357 345 A ) relates to a disc press for liquid removal comprising a pair of screened discs mounted for rotation about a pair of axes, the axes are intersecting intermediate of the discs at an angle, the discs have frustoconical surfaces defining a pressing zone that varies in thickness from an input zone having'the widest thickness to an output zone having the narrowest thickness. A doctor extends between the frustoconical surfaces radially thereof outside the pressing zone, having transverse surfaces conforming closely" with the frustoconical surfaces, the doctor including a radially extending opening in contact through the transverse surfaces with the discs. The press contains also a cleaner mounted in the opening, being movable in contact with the screened discs to remove knots therefrom and into a knot removal chamber. A shredder is mounted at the output zone in spaced relation from the narrowest thickness. shredder including a multiplicity of shredding surfaces moving rapidly at an angle to the direction of output in the output zone to discharge product in shreds.
  • The technical problem solved by the invention consists in the use of a certain type of punch and two half-cups assembled on two disks of inclined rotational axes to extract the seed oil by mechanical pressing. The complex constructive form of the punch is obtained by two shapes: a shape generated by the rotation on a circle of an involute curve around the axis of symmetry which ensures seed pressing and engages the surfaces of the two half-cups and, at the peak, a shape generated by the rotation on a circle around the axis of symmetry of a parabolic curve. These forms ensure constant pressure over the entire mass of seeds subject to pressure and amplify the mechanical work that is exerted to the seeds. The half-cups have two forms inside, one generated by the rotation on a circle around the axis of symmetry of an involute curve and one generated by the rotation on a circle around the axis of symmetry of a line.
  • The oil extraction device eliminates the disadvantages of the known solutions and solves the proposed technical problem by using the half-cups, assembled on the two discs with inclined axes, which, joined together with a plate, form a pressing cavity into which a punch is inserted, ensuring a uniform pressing, and engage the disks into a rotation motion that brings another cavity filled with seeds in front of the next punch. By continuing to rotate the disks, due to the inclination of the axes of rotation, the half-cups open and allow easy evacuation of the shed on a sloped trough to a pellet tank.
  • The oil extraction device, according to the invention, has the following advantages:
    • provides the necessary pressure to break the seeds in order to extract the oil they contain;
    • it ensures a continuous working regime;
    • uniform extraction pressures are provided on the entire mass of seeds using the two-sided punch;
    • the two half-cups can be easily cleaned or replaced in case of clogging;
    • the sieve type plate-shaped part ensures the passage of the oil to the collection tank and can be easily replaced or cleaned if clogging occurs;
    • better separation of the shed form oil is ensured;
    • reduction of the extraction time and increase of the extraction efficiency/reduced extraction time and increased extraction efficiency;
    • provides granular pellets that can be used for different purposes (adding fiber to food, fertilizer, burning briquettes, etc.).
  • The following is an example of an execution of the invention, in relation to Figures 1A, 1B and 2, which show:
    • Figure 1A, C-C cross-sections through the device;
    • Figure 1B, A-A cross-sections through the device;
    • Figure 2, detail D from the pressing area.
  • The device, according to the invention, consists of two frustoconical disks 12 which have inclined rotational axes and bearings on the surfaces a. The operation of the two frustoconical disks 12 is done simultaneously by engaging the punch 1 and the perforated half-cups 6 assembled at the front of the frustoconical disks, in semi-cavities that have internal drainage channels for oil flow during pressing, Figure 1B, section A-A. The operating in the sequential rotation motion of the punch carrying disk 11 is performed by coupling surface b to a kinematics chain provided with a gear-motor system. The heating elements 13 that provide the optimum extraction temperature are placed inside the two frustoconical disks.
  • On the frustoconical disks 12 there are reaming in which the channels c are made radially, in order to allow the oil to be evacuated during the pressing phase. In the reaming, the half-cups 6, fitted with radial outlet holes for the oil evacuation obtained by pressing, are assembled, Figure 2. The channels are equidistant and executed in front of the radial holes from the half-cups 6.
  • The loading with the oilseeds that will be pressed is done from the loading seed tank 9, by free fall, Figure 1A. The seeds will fill the cavity formed by the two half-cups and the sieve type plate 2. Under the loading seed tank 9 there is the heating element 8 which has the role of preheating the seeds.
  • The pressing area comprises the cavity formed by the two perforated half-cups 6, the plate 2 and the punch 1, on the punch carrying disk 11 which comprises the assembled punches, Figure 2. The punch 1 has a complex constructive form that includes a base volume d generated by the rotation of an involutes profile in the vertical plane to ensure the gearing with the perforated half-cups 6 and a peak volume e generated by the rotation of a parabola in vertical plane to ensure a constant pressure in the whole mass of seeds subject to pressing. A heating element 10 is assembled on the punch carrying disk 11 which performs the heating of the punches necessary to ensure the optimum extraction temperature, Figure 1B.
  • The plate 2 of semi-cylindrical shape has holes near the pressing area which allow the oil obtained from the pressing of the seeds to drain, followed by an area that supports the scrap pellets formed as a result of the pressing until the release of the two half-cups 6 occurs which allow the pellets to discharge. After removal, the pellets will slide on the inclined trough 5 in the pellet tank 7, Figure 1A, section C-C.
  • At the bottom of the plate 2 there is the oil trough 3. It has a longitudinal section in a semi-cylindrical shape and is U-shaped in cross-section. The trough for oil 3 has a - length equal to the plate 2 and continues to the oil tank 4, Figure 1A, section C-C.

Claims (3)

  1. A device suitable for oil extraction from oilseeds, which comprises two frustoconical disks (12) that have inclined rotation axes with respect to the horizontal direction, characterised in that on each front face of the discs are mounted perforated half-cups (6); in the pressing area of the discs there are brought face to face the half-cups (6) that form a seed-pressing cavity together with a sieve type plate (2) which is located at the base of the perforated half-cups; in the achieved cavity, punches (1) that are positioned on a punch carrying disk (11) also performing a rotational motion, enter and press the seeds from which the' oil is extracted; the oil is drained through the perforated half-cups and through the sieve type plate (2) during pressing and collected by a trough (3) at the bottom of the sieve type plate (2) and led to an oil tank (4); by continuing to rotate the two frustoconical disks (12), the half-cups (6) are splitting up, the scrap pellets are released and discharged via an inclined trough (5) to a pellet tank (7).
  2. The device, according to claim 1, comprises the perforated half-cups (6) that are assembled into the frustoconical disks, in semi-cavities that have internal drainage" channels for oil flow during pressing, in order to collect it and to allow an easy replacement in case of clogging.
  3. The device according to claim 1, includes a heating element (8) at the base of a loading seed tank (9), a heating element (13) on the frustoconical disks (12) and a heating element (10) on the front side of the punch carrying disk (11) which maintain the extraction temperature to an optimum value.
EP19464015.7A 2019-09-18 2019-10-11 Rotary device for oil extraction from oilseed Active EP3795343B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO201900572A RO134830A2 (en) 2019-09-18 2019-09-18 Rotary device for oil extraction from oil-bearing seeds

Publications (2)

Publication Number Publication Date
EP3795343A1 EP3795343A1 (en) 2021-03-24
EP3795343B1 true EP3795343B1 (en) 2023-12-06

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EP19464015.7A Active EP3795343B1 (en) 2019-09-18 2019-10-11 Rotary device for oil extraction from oilseed

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RO (1) RO134830A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113352673B (en) * 2021-06-22 2022-11-25 喀什光华现代农业有限公司 Cold oil press for seeds with high oil content
CN114606051B (en) * 2022-02-10 2024-06-21 张家界万农山实业有限公司 Production line group for initially extracting and overflowing oil quantity of agricultural tea oil

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1442119A (en) * 1921-04-02 1923-01-16 Emil J Brach Molding machine
FR912836A (en) * 1943-05-27 1946-08-21 C V Chemische Fabriek Rids Method and device for manufacturing tablets or tablets arranged on a string and product thus obtained
CH349886A (en) * 1959-04-03 1960-10-31 Laiteries Reunies Centrale Et Machine for squeezing fruits, especially citrus fruits, and extracting their juice
US3357345A (en) * 1965-02-02 1967-12-12 Rice Barton Corp Apparatus for liquid removal
US4170935A (en) * 1977-10-17 1979-10-16 Brown International Corporation Fruit juice extraction apparatus
US5934188A (en) 1997-01-14 1999-08-10 Pioneer Hi-Bred International, Inc. Oilseed press
US8079304B2 (en) 2005-04-26 2011-12-20 Harburg-Freudenberger Maschinenbau Gmbh Method and device for pressing
RO133160B1 (en) * 2017-09-26 2022-07-29 Universitatea " Ştefan Cel Mare " Din Suceava Rotary press for extracting oil from oilseeds

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Publication number Publication date
RO134830A2 (en) 2021-03-30
EP3795343A1 (en) 2021-03-24

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