EP2136171A2 - Machine centrifuge - Google Patents

Machine centrifuge Download PDF

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Publication number
EP2136171A2
EP2136171A2 EP09163032A EP09163032A EP2136171A2 EP 2136171 A2 EP2136171 A2 EP 2136171A2 EP 09163032 A EP09163032 A EP 09163032A EP 09163032 A EP09163032 A EP 09163032A EP 2136171 A2 EP2136171 A2 EP 2136171A2
Authority
EP
European Patent Office
Prior art keywords
containers
rotating drum
compartments
centrifugal machine
support plane
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.)
Withdrawn
Application number
EP09163032A
Other languages
German (de)
English (en)
Other versions
EP2136171A3 (fr
Inventor
Giovanni Battista Colussi
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.)
COLUSSI ERMES Srl
Original Assignee
COLUSSI ERMES Srl
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 COLUSSI ERMES Srl filed Critical COLUSSI ERMES Srl
Publication of EP2136171A2 publication Critical patent/EP2136171A2/fr
Publication of EP2136171A3 publication Critical patent/EP2136171A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B5/00—Drying solid materials or objects by processes not involving the application of heat
    • F26B5/08—Drying solid materials or objects by processes not involving the application of heat by centrifugal treatment

Definitions

  • the present invention concerns a centrifugal machine.
  • the centrifugal machine according to the present invention is used preferably, but not only, to dry containers for food, such as boxes to contain fruit, vegetables, meat and the like, and/or containers for medical and pharmaceutical products, advantageously, but not exclusively of the folding type, which have already undergone a previous washing step.
  • a centrifugal machine is known, to dry containers of the folding type which have previously been washed.
  • the known centrifugal machine comprises a rotating drum provided with a compartment in its central part inside which the boxes to be dried can be stacked by means of known feed means such as conveyor belts. Said feed means cooperate with a reclosable lateral opening made along the lateral surface of the drum, achieving in practice a direct loading in a lateral direction with respect to the drum itself.
  • a centrifugal machine comprising a rotating drum in which feed means of the known type feed boxes into a compartment disposed inside the rotating drum and in a central position with respect to the latter, in a vertical direction with respect to the drum itself.
  • centrifugal machines do not dry the boxes uniformly and completely.
  • the boxes are positioned inside compartments disposed in a substantially central position with respect to the axis of rotation of the machine where, during the rotation step, the peripheral speed is substantially zero and the effect of the centrifugal force is not sufficient to completely eliminate the washing liquid used to wash the boxes.
  • This results in a partial drying of the boxes which can determine over time the formation of mold or calcareous residues on the boxes themselves with the consequent problems for the food and in general for the products contained inside.
  • the purpose of the present invention is to achieve a centrifugal machine which allows a complete and uniform drying of the boxes, which is not costly and which does not use too much energy.
  • the Applicant has devised, tested and embodied the present invention to overcome the shortcomings of the state of the art and to obtain these and other purposes and advantages.
  • a centrifugal machine for drying containers of the type indicated comprises a rotating drum provided with a lower surface defining a support plane and an upper surface.
  • the rotating drum is provided inside with a plurality of compartments, for housing said containers to be dried, disposed in an eccentric position with respect to the center of rotation of the rotating drum.
  • the compartments have a shape coordinated with the shape of the containers.
  • the compartments are provided with clamping means able to clamp the containers in said compartments.
  • the centrifugal machine comprises feed means able to feed the containers to be dried to the support plane of the drum through an opening made on the upper surface of the drum, in a first direction substantially inclined with respect to the support plane.
  • the above feed means are also able to feed the containers to thee compartments in a second direction substantially parallel to the support plane of the rotating drum.
  • the compartments are disposed radially with respect to the center of rotation of the rotating drum.
  • compartments are disposed angularly equidistant with respect to each other.
  • centrifugal machine in which the boxes which have to be dried, being disposed eccentrically with respect to the center of rotation of the rotating drum, are in a position in which the peripheral speed and the effect of the centrifugal force are very high, and such so as to allow the complete elimination of the liquid used for washing the boxes. Therefore the centrifugal machine according to the present invention carries out a complete and uniform drying of the boxes even with the same speed of rotation of the drum as that of centrifugal machines of the known type. Consequently there is no need to use more powerful motor means to achieve a satisfactory result, thus containing costs and obtaining a considerable saving of energy.
  • a centrifugal machine 10 is used to dry containers 11 for food, such as boxes to contain fruit, vegetables, meat or suchlike, and/or containers for medical and pharmaceutical products, advantageously but not exclusively of the folding type, which have previously been subjected to a washing step.
  • the centrifugal machine 10 comprises a rotating drum 12 having a lower surface 13 ( fig. 2 ) defining a support plane P and an upper surface 14 provided with an opening 15, in this case having a circular shape, disposed in a substantially symmetrical position with respect to the center of the drum 12.
  • the rotating drum 12 is supported in a known manner by a fixed frame not shown in the figures and motor means 16, of the known type, are associated by means of motor reduction members 17 with the lower surface 13 of the rotating drum 12, to make it rotate around a rotation axis X.
  • the rotating drum 12 is provided inside with a plurality of compartments 18, disposed in an eccentric position with respect to the center of the rotating drum 12 and open toward the latter.
  • the compartments 18 are disposed radially with respect to the center of rotation of the rotating drum 12 and angularly equidistant with respect to each other. It is not excluded that the compartments 18 can be disposed in a different way, but always in an eccentric position with respect to the center of rotation of the rotating drum.
  • the compartments 18 are able to accommodate stacks of containers 11 to be dried.
  • the compartments 18 have a shape substantially coordinated with the shape of the containers 11 to be accommodated, and such as to prevent unwanted oscillations in the containers themselves during the rotation of the rotating drum 12.
  • the compartments 18 have a development in height substantially equal to the height of the rotating drum 12.
  • each compartment 18 is provided with clamping means, of the known type and not shown in the drawings, to clamp the stacks of containers 11 in the corresponding compartments 18, so that during the centrifuge operations they are always in a stable and secure position.
  • Feed means 19, of the known type and schematically shown in the drawings, such as, advantageously but not exclusively, robotized arms, cranes or other similar or comparable feed means, are associated with the centrifugal machine 10 to feed the compartments 18 with containers 11, and/or stacks of containers 11.
  • the feed means 19, due to the distribution of the compartments 18, are able to feed the containers 11 beforehand to the support plane P of the rotating drum 12 through the opening 15 in a first direction substantially inclined with respect to the support plane P. In this case said direction is substantially orthogonal to the support plane P.
  • the containers 11 are disposed on the support plane orientated toward the opening of the compartment 18 in which they are to be positioned. Subsequently the feed means 19 are therefore able to feed the containers 11 to the compartments 18 in a second direction substantially parallel to the support plane P.

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Solid Materials (AREA)
  • Centrifugal Separators (AREA)
  • Cyclones (AREA)
EP09163032A 2008-06-19 2009-06-18 Machine centrifuge Withdrawn EP2136171A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITUD20080143 ITUD20080143A1 (it) 2008-06-19 2008-06-19 Macchina centrifuga

Publications (2)

Publication Number Publication Date
EP2136171A2 true EP2136171A2 (fr) 2009-12-23
EP2136171A3 EP2136171A3 (fr) 2010-05-05

Family

ID=40302216

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09163032A Withdrawn EP2136171A3 (fr) 2008-06-19 2009-06-18 Machine centrifuge

Country Status (2)

Country Link
EP (1) EP2136171A3 (fr)
IT (1) ITUD20080143A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9097460B2 (en) 2013-04-30 2015-08-04 Semi-Staal A/S Container drying device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE74127C (de) * A. walfard in Reims Schleudermaschine zum Trocknen von Flaschen
US4848006A (en) * 1987-05-11 1989-07-18 Aigo Seiichiro Spin drier for semiconductor materials
US5802733A (en) * 1996-06-14 1998-09-08 The Great Norther Equipment Company Dryer system for vegetables
DE10013642A1 (de) * 2000-03-18 2001-09-27 Alexanderwerk Ag Salat- und Gemüseschleuder

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE74127C (de) * A. walfard in Reims Schleudermaschine zum Trocknen von Flaschen
US4848006A (en) * 1987-05-11 1989-07-18 Aigo Seiichiro Spin drier for semiconductor materials
US5802733A (en) * 1996-06-14 1998-09-08 The Great Norther Equipment Company Dryer system for vegetables
DE10013642A1 (de) * 2000-03-18 2001-09-27 Alexanderwerk Ag Salat- und Gemüseschleuder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9097460B2 (en) 2013-04-30 2015-08-04 Semi-Staal A/S Container drying device

Also Published As

Publication number Publication date
ITUD20080143A1 (it) 2009-12-20
EP2136171A3 (fr) 2010-05-05

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