EP1066953A1 - Presse à alimentation par vis verticale pour la déshydratation de produits contenant du liquide - Google Patents

Presse à alimentation par vis verticale pour la déshydratation de produits contenant du liquide Download PDF

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Publication number
EP1066953A1
EP1066953A1 EP99113588A EP99113588A EP1066953A1 EP 1066953 A1 EP1066953 A1 EP 1066953A1 EP 99113588 A EP99113588 A EP 99113588A EP 99113588 A EP99113588 A EP 99113588A EP 1066953 A1 EP1066953 A1 EP 1066953A1
Authority
EP
European Patent Office
Prior art keywords
enclosure
shafts
portions
press according
proximate
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.)
Granted
Application number
EP99113588A
Other languages
German (de)
English (en)
Other versions
EP1066953B1 (fr
Inventor
Lionello Babbini
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.)
F.LLI BABBINI DI LIONELLO BABBINI & C. S.A.S.
Original Assignee
BABBINI SpA
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 BABBINI SpA filed Critical BABBINI SpA
Priority to DK99113588T priority Critical patent/DK1066953T3/da
Priority to AT99113588T priority patent/ATE349313T1/de
Priority to EP99113588A priority patent/EP1066953B1/fr
Priority to DE69934578T priority patent/DE69934578T2/de
Publication of EP1066953A1 publication Critical patent/EP1066953A1/fr
Application granted granted Critical
Publication of EP1066953B1 publication Critical patent/EP1066953B1/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
    • B30B9/12—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 pressing worms or screws co-operating with a permeable casing
    • B30B9/16—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 pressing worms or screws co-operating with a permeable casing operating with two or more screws or worms
    • 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
    • B30B9/12—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 pressing worms or screws co-operating with a permeable casing
    • B30B9/128—Vertical or inclined screw presses

Definitions

  • the present invention relates to a high-efficiency vertical screw-feeder press for dehydrating liquid-containing products.
  • Presses are known for dehydrating by pressing liquid-containing products such as for example waste pulps, which are a byproduct of the processing of sugar beet; such presses are substantially constituted by an enclosure composed of two side-by-side portions which form two conical surfaces which have horizontal axes and mutually intersect with their mutually facing regions. Each one of these two portions of the enclosure coaxially accommodates a substantially frustum-shaped shaft having, on its lateral surface, a screw which is inscribed in the corresponding portion of the enclosure and protrudes, with its turns, between the turns of the screw of the contiguous shaft.
  • These presses though their high pressing efficiency, have the drawback that their installation requires considerable space, which is not always available in the plants in which these presses are to be installed.
  • Vertical presses are also known which are substantially constituted by a substantially cylindrical enclosure which has a vertical axis and inside which a frustum-shaped shaft is arranged which has, on its lateral surface, a discontinuous screw which is inscribed in the cylindrical enclosure.
  • an inlet for the product to be dehydrated At the upper end of the enclosure there is provided an inlet for the product to be dehydrated, and proximate to the lower end of the enclosure there are outlets for discharging the liquid content of the product that drips from the perforated side walls of the cylindrical enclosure and other outlets for discharging the dehydrated pulp, which is propelled, through the rotation of the frustum-shaped shaft about its own axis, toward the lower end of the enclosure.
  • vanes are fixed to the internal surface of the enclosure and are interposed between the turns of the screw of the shaft so as to contrast as much as possible the rotation of the product.
  • the products to be processed inside vertical presses receive the addition of adapted chemical substances which facilitate the release of liquids by the product but lead to a contamination of the processed product.
  • vanes on the internal surface of the enclosure produces an unwanted fragmentation of the pulp of the product, which can lead to the release of dust during subsequent drying, forcing the adoption of suitable filtration systems in order to reduce as much as possible the losses of material and limit environmental pollution.
  • Another problem that can be observed in currently commercially available vertical presses is related to higher energy consumption, mainly due to the high resistance to the rotary motion of the shaft caused by the presence of the vanes on the internal surface of the enclosure.
  • the aim of the present invention is to solve the above problems, by providing a vertical screw-feeder press for dehydrating liquid-containing products, which can have a pressing efficiency which can be compared to the efficiency of horizontal presses.
  • an object of the present invention is to provide a vertical press which considerably limits the fragmentation of the product during pressing, so as to considerably reduce dust production during the process for drying the dehydrated pulps.
  • Another object of the present invention is to provide a vertical press whose energy consumption is lower than that of current vertical presses.
  • Another object of the present invention is to provide a vertical press which has a high pressing effectiveness without necessarily requiring to add chemical additives to the product during pressing.
  • a vertical screw-feeder press for dehydrating liquid-containing products, characterized in that it comprises an enclosure which is composed of two side-by-side portions which form two substantially conical surfaces which have vertical axes and mutually intersect with their mutually facing regions, each one of said two portions coaxially accommodating a substantially frustum-shaped shaft having, on its lateral surface, a screw which is inscribed in the corresponding portion of the enclosure and protrudes, with its turns, between the turns of the screw of the contiguous shaft; said enclosure having, proximate to the larger-diameter end of said two portions, an inlet for introducing products to be dehydrated in said enclosure and, proximate to the opposite end, at least one outlet for discharging the dehydrated product.
  • the press according to the invention comprises a footing 2 which supports an enclosure 3 composed of two side-by-side portions 4 and 5 which form two substantially conical surfaces which have vertical axes and mutually intersect with their mutually facing regions.
  • Each one of said two portions 4 and 5 accommodates a substantially frustum-shaped shaft 6 and 7 which has, on its lateral surface, a screw 8 and 9 which is inscribed in the conical surface of the corresponding portion 4 and 5 of the enclosure 3 and protrudes, with its turns, between the turns of the screw of the contiguous shaft.
  • the enclosure 3 has an inlet 10 for introducing the products to be dehydrated; proximate to the opposite end, said enclosure has at least one outlet 11 for discharging the dehydrated product.
  • the portions 4 and 5 of the enclosure 3 preferably have a cage-shaped structure, so as to allow the liquid component of the product pressed inside said portions 4 and 5 to escape.
  • the enclosure 3 is provided with a jacket 12 which laterally delimits a chamber 13 for collecting the liquid component of the product which runs all around the portions 4 and 5.
  • the chamber 13 is delimited by a wall 18 in a downward region, and proximate to the bottom of the chamber 13 there are provided outlets 19 for externally discharging the pressed liquid that drips from the side walls of the portions 4 and 5 of the enclosure 3.
  • the portions 4 and 5 of the enclosure 3 gradually taper from the top downward, while the diameter of the shafts 6 and 7 gradually increases from the top downward.
  • the screws 8 and 9 have a height which gradually decreases from the top downward, so that their outer edge remains adjacent to the internal surface of the portions 4 and 5.
  • the shafts 6 and 7 are supported, so that they can rotate about their respective axes, proximate to their upper end, by arms 15 which are fixed to the upper portion of the enclosure 3 and are supported, proximate to their lower end, by a plate 14 which is substantially horizontal and delimits the enclosure 3 in a downward region and is fixed to the footing 2.
  • the shafts 6 and 7 have, proximate to their upper end, a plurality of vanes 16 which have a variable inclination and are rigidly coupled to said shafts 6 and 7 in rotating about respective axes in order to produce a uniform distribution of the product to be dehydrated, fed through the inlet 10.
  • the shafts 6 and 7 can be hollow and can have a plurality of perforations on their side walls so as to allow the passage, inside said shafts 6 and 7, of the liquid fraction of the product being pressed. Said liquid fraction, which flows inside the shafts 6 and 7, can be discharged through a discharge outlet provided at the lower end of the shafts 6 and 7.
  • the footing 2 accommodates gearmotors 20 which are connected to the lower end of the shafts 6 and 7 for actuating said shafts 6 and 7 with a rotary motion about their respective axes and with mutually opposite directions of rotation.
  • the product to be dehydrated is fed into the portions 4 and 5 of the enclosure 3 through the inlet 10.
  • the rotation of the shafts 6 and 7 produces the gradual downward advancement of the product which, following the reduction in the passage section caused by the particular shape of the portions 4 and 5 of the enclosure 3 and of the shafts 6 and 7, is subjected to rising pressing pressures.
  • the liquid component of the product exits through the side walls of the portions 4 and 5 of the enclosure 3 and flows along the chamber 13 to the vicinity of the bottom of said chamber, where it is discharged externally through the outlets 19.
  • shafts 6 and 7 are hollow and perforated on their side wall, part of the liquid fraction of the product flows inside the shafts and is discharged externally at the lower end of said shafts 6 and 7.
  • the dehydrated pulp instead flows downward and is discharged through the openings 11 formed in the plate 14.
  • the portions 4 and 5 can be provided without lateral perforations. In this case, the liquid component of the pressed product simply flows inside the shafts 6 and 7.
  • the press according to the invention fully achieves the intended aim and objects, since it allows to achieve pressing pressures and therefore a pressing efficiency which are comparable with those obtainable with horizontal presses.
  • Another advantage of the press according to the invention is that it does not produce pulp fragmentation and therefore significantly reduces the problems related to the disposal of residues during the drying of the dehydrated pulps.
  • the materials employed, as well as the dimensions, may be any according to requirements and to the state of the art.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Sludge (AREA)
  • Paper (AREA)
  • Screw Conveyors (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Drying Of Solid Materials (AREA)
  • Filtration Of Liquid (AREA)
EP99113588A 1999-07-08 1999-07-08 Presse à alimentation par vis verticale pour la déshydratation de produits contenant du liquide Expired - Lifetime EP1066953B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DK99113588T DK1066953T3 (da) 1999-07-08 1999-07-08 Höjeffektiv vertikal skrueföderpresse til dehydrering af væskefyldte produkter
AT99113588T ATE349313T1 (de) 1999-07-08 1999-07-08 Presse mit vertikalem schneckenförderer zur entwässerung von flüssigkeit enthaltenden produkten
EP99113588A EP1066953B1 (fr) 1999-07-08 1999-07-08 Presse à alimentation par vis verticale pour la déshydratation de produits contenant du liquide
DE69934578T DE69934578T2 (de) 1999-07-08 1999-07-08 Presse mit vertikalem Schneckenförderer zur Entwässerung von Flüssigkeit enthaltenden Produkten

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99113588A EP1066953B1 (fr) 1999-07-08 1999-07-08 Presse à alimentation par vis verticale pour la déshydratation de produits contenant du liquide

Publications (2)

Publication Number Publication Date
EP1066953A1 true EP1066953A1 (fr) 2001-01-10
EP1066953B1 EP1066953B1 (fr) 2006-12-27

Family

ID=8238589

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99113588A Expired - Lifetime EP1066953B1 (fr) 1999-07-08 1999-07-08 Presse à alimentation par vis verticale pour la déshydratation de produits contenant du liquide

Country Status (4)

Country Link
EP (1) EP1066953B1 (fr)
AT (1) ATE349313T1 (fr)
DE (1) DE69934578T2 (fr)
DK (1) DK1066953T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20100430A1 (it) * 2010-07-05 2012-01-06 Wam Spa Impianto di separazione a coclea per il trattamento di impasti liquidi

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR453274A (fr) * 1913-01-17 1913-06-04 Wauquier Et Cie Soc Presse continue pour pulpes ou cossettes de betteraves ou autres racines, marcs de raisins ou autres fruits, dreches ou résidus de graines et produits analogues
GB677794A (en) * 1948-07-14 1952-08-20 Hans Andreas Hartner Improvements in screw presses
GB710379A (en) * 1951-12-20 1954-06-09 Jackson & Church Company A press for the continuous expression of liquids from solids
US2912923A (en) * 1958-03-12 1959-11-17 Landsverk Ab Screw presses
GB2008422A (en) * 1977-10-24 1979-06-06 Maguin Ste Nle Ets Screw press
DE2848775A1 (de) * 1978-11-10 1980-05-22 Koellmann & Gruhn Schneckenpresse zum auspressen von landwirtschaftlichem gut
DE3412170A1 (de) * 1984-03-31 1985-10-03 Salzgitter Maschinen Und Anlagen Ag, 3320 Salzgitter Mehrspindelpresse
EP0773100A1 (fr) * 1995-11-10 1997-05-14 F.lli Babbini di Lionello Babbini & C. S.a.s. Presse à vis pour la déshydratation de matières fibreuses

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR453274A (fr) * 1913-01-17 1913-06-04 Wauquier Et Cie Soc Presse continue pour pulpes ou cossettes de betteraves ou autres racines, marcs de raisins ou autres fruits, dreches ou résidus de graines et produits analogues
GB677794A (en) * 1948-07-14 1952-08-20 Hans Andreas Hartner Improvements in screw presses
GB710379A (en) * 1951-12-20 1954-06-09 Jackson & Church Company A press for the continuous expression of liquids from solids
US2912923A (en) * 1958-03-12 1959-11-17 Landsverk Ab Screw presses
GB2008422A (en) * 1977-10-24 1979-06-06 Maguin Ste Nle Ets Screw press
DE2848775A1 (de) * 1978-11-10 1980-05-22 Koellmann & Gruhn Schneckenpresse zum auspressen von landwirtschaftlichem gut
DE3412170A1 (de) * 1984-03-31 1985-10-03 Salzgitter Maschinen Und Anlagen Ag, 3320 Salzgitter Mehrspindelpresse
EP0773100A1 (fr) * 1995-11-10 1997-05-14 F.lli Babbini di Lionello Babbini & C. S.a.s. Presse à vis pour la déshydratation de matières fibreuses

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20100430A1 (it) * 2010-07-05 2012-01-06 Wam Spa Impianto di separazione a coclea per il trattamento di impasti liquidi
WO2012004649A3 (fr) * 2010-07-05 2012-04-12 Wam Industriale S.P.A. Installation de séparation à vis d'archimède pour traitement de suspension
CN103167950A (zh) * 2010-07-05 2013-06-19 万姆工业股份公司 用于处理浆液的阿基米德螺旋体分离设备
JP2013535313A (ja) * 2010-07-05 2013-09-12 ワム・インドゥストリアーレ・エッセ・ピ・ア スラリーを処理するためのアルキメデス・スクリュー分離プラント
RU2601521C2 (ru) * 2010-07-05 2016-11-10 Вам Индустриале С.П.А. Разделительная установка с архимедовым винтом для обработки навозной жижи
US9597617B2 (en) 2010-07-05 2017-03-21 Wam Industriale S.P.A. Archimedes screw separation plant for treating slurry

Also Published As

Publication number Publication date
ATE349313T1 (de) 2007-01-15
DE69934578D1 (de) 2007-02-08
DE69934578T2 (de) 2007-10-04
DK1066953T3 (da) 2007-02-12
EP1066953B1 (fr) 2006-12-27

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