EP1498675A1 - Vorrichtung zum Trocknen von Flaschen - Google Patents

Vorrichtung zum Trocknen von Flaschen Download PDF

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Publication number
EP1498675A1
EP1498675A1 EP03425479A EP03425479A EP1498675A1 EP 1498675 A1 EP1498675 A1 EP 1498675A1 EP 03425479 A EP03425479 A EP 03425479A EP 03425479 A EP03425479 A EP 03425479A EP 1498675 A1 EP1498675 A1 EP 1498675A1
Authority
EP
European Patent Office
Prior art keywords
bottles
air
ducts
length
channels
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Withdrawn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
EP03425479A
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English (en)
French (fr)
Inventor
Giovanni Sardi
Giovanni Colla
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.)
Cames SNC Di Colla G & Sardi G
Original Assignee
Cames SNC Di Colla G & Sardi G
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 Cames SNC Di Colla G & Sardi G filed Critical Cames SNC Di Colla G & Sardi G
Priority to EP03425479A priority Critical patent/EP1498675A1/de
Publication of EP1498675A1 publication Critical patent/EP1498675A1/de
Withdrawn legal-status Critical Current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
    • F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
    • F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
    • F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
    • F26B15/18—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of materials being carried by endless belts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
    • 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
    • F26B5/14—Drying solid materials or objects by processes not involving the application of heat by applying pressure, e.g. wringing; by brushing; by wiping

Definitions

  • the present invention refers to an apparatus for drying bottles, particularly of the type used in combination with a machine for washing bottles in a bottling plant.
  • the large bottling plants generally comprise a series of automated apparatuses performing the several operations of the bottling cycle, such as washing and drying the inside of the bottles, filling, corking or capping, washing and drying the bottle outside, labelling and packaging.
  • the drying of the bottle external surfaces after the washing step is generally performed by advancing the standing bottles by means of a conveyor belt through streams of forced air directed around the bottle external surfaces.
  • the drying apparatuses must ensure a complete drying of the whole external surface of the bottle, without leaving areas that are not completely dried at the end of the drying step, which areas could impair the success of the subsequent labelling step. Moreover, in large bottling plants, said apparatuses must ensure a high drying speed, to prevent undue delays in the bottling plant.
  • EP-A 1 028 300 upon which the preamble of claim 1 is based, discloses an apparatus for drying bottles in which the bottles are simultaneously submitted to a rotary and a translatory motion while passing through air streams coming from nozzles located along the path.
  • Other apparatuses operating according to the same principle are disclosed for instance in FR-A 2 444 908, FR-A 2 573 187, FR-A 2 660 583 and US-A 2 501 367.
  • the apparatus disclosed in EP-A 1 028 300 provides for conveying the bottles on a pair of conveyor belts, adjacent and parallel to each other and advancing at different speeds in the same direction, the belts supporting the bases of such bottles so that half base rests on one belt and half on the adjacent belt. Forced air is sent against the moving bottles through delivery ducts arranged parallel to the belts conveying the bottles and equipped with holes formed in the wall delimiting the ducts.
  • too strong air streams, or streams at too high pressure can interfere with the advancing and simultaneous rotation of the bottles along the conveyor line, with the risk of causing collisions among adjacent bottles or collisions of the bottles against parts of the drying apparatus, with consequent delays along the bottling line.
  • the channels provided inside the drying air delivery ducts and feeding the discharge holes with air have a flared, funnel shaped initial portion, allowing conveying the pressurised air present in said ducts towards the corresponding discharge hole, thus limiting the air pressure drop and consequently allowing sending highpressure and high-speed air streams against the bottles.
  • the holes discharging the drying air streams towards the bottles are arranged in two parallel rows along the respective ducts and are preferably arranged in staggered relationship.
  • a stronger and better distributed air stream is sent onto the bottles, allowing complete drying during a path of reduced length.
  • said conveyor line is made of a pair of conveyor belts with different surface characteristics. More particularly, it is advantageous that the belt moving in the bottle advancing direction has a rougher surface and the belt moving in the opposite direction has a smoother surface.
  • the air delivery ducts may be constructed so that said air streams are inclined forward with respect to the bottle advancing direction.
  • the pressurised air impinges onto said bottles on their rear sides, with reference to the advancing direction, and pushes the bottles during their motion along said conveyor line, keeping their distances unchanged.
  • apparatus 1 for drying bottles according to the invention is disposed downstream a bottle washing station 50 and is integrated therewith.
  • Apparatus 1 and station 50 are mounted on a substantially parallelepiped base 3, constituted by a box-shaped frame 3d and provided with a roof 3a, detachable side walls 3b and a plurality of adjustable supporting feet 3c.
  • Washing station 50 and the means for bottle transfer from said washing station 50 to conveyor line 10 of apparatus 1 are substantially known and are similar to those disclosed in EP-A 1 028 300, and therefore they will not be described.
  • Apparatus 1 comprises a conveyor line 10 guiding the bottles along drying means capable of sending forced air streams towards the bottles.
  • the drying means comprise a pair of ducts 41 for delivering drying air, which ducts are located alongside conveyor line 10.
  • a pair of blowers 44 are further located on roof 3 a for producing a flow of forced air inside ducts 41.
  • Each blower 44 is equipped, for each duct 41, with a hose 45 connected to a hub 46 secured to the duct.
  • One hub 46 is mounted for instance near the upstream end of duct 41 and the other one is mounted in a central portion of the duct.
  • Blowers suitable to this aim are for instance blowers or compressors ELMO manufactured by Siemens AG.
  • Ducts 41 hang from roof 3a of base 3 through brackets 42, such that ducts 41 are tilted downwards, in a vertical plane, in the bottle advancing direction.
  • brackets 42 have adjustable lengths, so that the positions of ducts 41 can be adjusted in a vertical plane to suit bottles with different sizes.
  • the air streams are obtained through a plurality of discharge holes provided along each duct 41 and oriented towards the bottle transit zone, so as to generate a laminar air stream that licks the external surfaces of bottles 2 with a desired inclination.
  • a guide 29, adjustable both in height and horizontally through corresponding handle grips 30, is located parallel to conveyor line 10 so as to keep the bottles in upright position during the translation along the conveyor line, in co-operation with the air streams coming from duct 41 on the opposite side of conveyor line 10.
  • guide 29 can stop in correspondence of the end portion of that duct, if the latter ends at a level below guide 29. In such position, bottles 2 will be kept in upright position by the air streams only.
  • conveyor line 10 along which bottles 2 advance between said ducts 41 comprises a pair of conveyor belts 12, 13, adjacent and parallel to each other, supporting the bases of bottles 2 with half a base resting on one belt and the other half base resting on an adjacent belt.
  • Conveyor belts 12, 13 move at different speeds, preferably in opposite directions: in that case, the speed of belt 12 moving in the transfer direction of bottles 2 will be higher than that of belt 13 moving in the opposite direction. This way, during the advancing movement of the belts, a rotary motion around their axes is also imparted to bottles 2.
  • Conveyor belts 12 and 13 are preferably made of a mesh of a resistant and inextensible plastic material, and they run over supports 11, preferably made of box-type stainless steel. Spacers 17 and 18 of a material having a low coefficient of friction are secured to said supports and are arranged so that belts 12 and 13 are inclined by an angle ⁇ , preferably in the range of about 1° to 5°, towards the centre line of the conveyor line.
  • ⁇ preferably in the range of about 1° to 5°
  • the air streams are discharged from ducts 41 through a plurality of discharge holes 43.
  • Said holes 43 do not open directly into the body of the respective duct 41, but they are formed at the ends of respective channels 47 provided in a spout 48, extending along the whole lower comer of duct 41 and projecting towards bottles 2.
  • Said spout 48 when seen in cross section, has a greater length in the initial zone of duct 41 (position 1).
  • holes 43 are at the proper distance from the concerned region of bottle 2 at any position along the bottle travel, and spacing apart ducts 41 in the area where the bottles leave the apparatus (position 3) is not required.
  • FIG. 3 there is schematically shown the effect caused by the air coming from holes 43 onto the surface of the bottle advancing in direction F, in a preferred arrangement of said holes.
  • Reference symbols A1 - A5 denote the areas licked by the air discharged from the holes on a plane spaced by about 1.5 cm from the bottle surfaces. It can be appreciated that discharge holes 43 are mutually spaced so that there is an overlap between adjacent areas on which air impinges while the bottles advance.
  • Overlapping areas Z1...Z4 form a security margin in order to obtain an optimum drying effect. Indeed, the bottle portions corresponding to such overlapping areas will be dried not only by the air stream coming from the first hole, but also by the subsequent one.
  • channels 47 feeding said discharge holes 43 with air have a non-uniform cross section.
  • the channels comprise, in the air advancing direction, a first cylindrical portion 471, a flared portion 472 and a second cylindrical portion 473 of smaller diameter than the first cylindrical portion 471.
  • channels 47 allows reducing the pressure drop of the drying air when passing in said channels. Consequently, for a given pressure of air in ducts 41, it is possible to send, against the bottles to be dried, air streams at higher pressures and higher speeds than attainable with cylindrical channels of uniform cross section.
  • the ratio of the diameter of said first cylindrical portion 471 to the diameter of said second cylindrical portion 473 is preferably less than 5.
  • the second cylindrical portion 473 of channel 47 has a substantially greater length than the sum of the lengths of the first cylindrical portion 471 and the flared portion.
  • the ratio of said lengths is about 2.75.
  • said first cylindrical portion has about the same length as the flared portion.
  • said channels 47 may have an overall length of the order of 1.5 cm, with a first cylindrical portion 471 0.2 cm long, a flared portion also 0.2 cm long and a second cylindrical portion 1.1 cm long.
  • the first cylindrical portion 471 may have a diameter of about 1 cm, whereas the second cylindrical portion 473 may have a diameter in the range 0.2 to 0.8 cm.
  • air discharge channels 57 comprise, in the air advancing direction, a flared portion 572 that directly opens into duct 41 and is followed by a cylindrical portion 573 of which the diameter is smaller than the maximum diameter of said flared portion and preferably is substantially the same as the minimum diameter.
  • the cylindrical portion ends in air discharge hole 53.
  • the ratio of the maximum diameter of said flared portion 572 to that of said cylindrical portion 573 is less than 5, and the ratio of the length of said cylindrical portion 573 to that of said flared portion 572 is about 1.55.
  • said channels 57 may have an overall length of the order of 1.5 cm, with a flared portion 0.59 cm long and a cylindrical portion 0.91 cm long.
  • the flared portion may have a maximum diameter of about 1 cm and a minimum diameter of about 0.3 cm.
  • Air discharge channels 67 made in accordance with the variant shown in Fig. 6 comprise, in the air advancing direction, a flared portion 672, an intermediate frusto-conical portion 674 and a cylindrical portion 673 ending in air discharge hole 63.
  • Intermediate frusto-conical portion 674 has a maximum diameter equal to the minimum diameter of flared portion 672
  • cylindrical portion 673 has a diameter that is substantially the same as the minimum diameter of said flared portion.
  • the ratio of the maximum diameter of said flared portion 672 to the diameter of said cylindrical portion 673 is less than 5, and the ratio of the sum of the lengths of said cylindrical portion 673 and said frusto-conical portion 674 to the length of said flared portion 672 is about 2.
  • said channels 67 may have an overall length of the order of 1.5 cm, with a flared portion 0.5 cm long, a frusto-conical portion about 0.6 cm long and a cylindrical portion about 0.4 cm long.
  • Flared portion 672 may have a maximum diameter of about 1 cm and a minimum diameter of about 0.42 cm, whereas the second cylindrical portion 473 may have a diameter of about 0.3 cm.
  • air discharge channels 77 comprise, in the air advancing direction, a flared portion 772 and a frusto-conical portion 774 ending in air discharge hole 73.
  • the maximum diameter of said frusto-conical portion 774 is the same as the minimum diameter of flared portion 772. Moreover, the ratio of the maximum diameter of said flared portion 772 to the minimum diameter of said frusto-conical portion 774 is less than 5, and the ratio of the length of said frusto-conical portion 774 to the length of said flared portion 772 is about 2.
  • said channels 77 may have an overall length of the order of 1.5 cm, with a flared portion 0.5 cm long and a frusto-conical portion 774 about 1 cm long. Flared portion 772 may have a maximum diameter of about 1 cm and a minimum diameter of about 0.42 cm, whereas the frusto-conical portion 774 may have a minimum diameter of about 0.25 cm.
  • a good performance in terms of drying efficiency is obtained by using channels with a length in the range 0.5 to 3.5 cm, ending in an air discharge hole with a diameter in the range 0.1 to 0.8 cm and comprising a flared portion with a length in the range 0.25 to 1.5 cm and a maximum diameter in the range 0.25 to 1.5 cm.
  • the air streams are generated by at least two sets of channels 47 provided with respective discharge holes 43 arranged in staggered relationship in at least two parallel rows along each duct 41. It is thus possible considerably to increase the number of holes per length unit of the path run by the bottles, thereby further reducing the drying time and the drying path length.
  • the distance between said parallel rows may be in the range 0.3 to 1.5 cm and the distance between two successive holes in a same row may be in the range 0.5 to 2.5 cm.
  • the surfaces of conveyor belts 12, 13 in contact with the bottoms of bottles 2 are made different so that they have different friction coefficients with respect to the bottle glass surfaces. More particularly, belt 12 moving in the same direction as bottles 2 has a surface of which the adhesion with respect to the glass of bottles 2 is greater than that of belt 12 moving in the opposite direction.
  • Such a difference may be obtained by using different materials for belts 12, 13, or by submitting one of the belts to a chemical or mechanical process (e.g. grinding) changing its roughness.
  • a chemical or mechanical process e.g. grinding
  • That solution ensures the proper advancing of bottles 2 between air delivery ducts 41 even in case of very short drying paths with greatly inclined ducts 41 and high air discharge pressures.
  • Fig. 9 shows a second embodiment of the invention that, in order to solve the problem of avoiding the irregular advancing of the bottles, uses channels 47 inclined forward with respect to the advancing direction of bottles 2.
  • the air streams coming from said holes 43 impinge on the surfaces of bottles 2 on the rear sides 2e with reference to the advancing direction of said bottles and, besides providing for the complete drying of bottles 2, said streams assist in pushing the bottles along conveyor line 10, thereby helping in reducing the risk of collisions with adjacent bottles.
  • the apparatus of the invention allows improving the bottle drying efficiency, by limiting the drying path length and the drying time, without thereby negatively affecting the proper advancing of the bottles along the drying path or entailing the risk of undue delays on the bottling line.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Drying Of Solid Materials (AREA)
EP03425479A 2003-07-18 2003-07-18 Vorrichtung zum Trocknen von Flaschen Withdrawn EP1498675A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP03425479A EP1498675A1 (de) 2003-07-18 2003-07-18 Vorrichtung zum Trocknen von Flaschen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03425479A EP1498675A1 (de) 2003-07-18 2003-07-18 Vorrichtung zum Trocknen von Flaschen

Publications (1)

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EP1498675A1 true EP1498675A1 (de) 2005-01-19

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EP03425479A Withdrawn EP1498675A1 (de) 2003-07-18 2003-07-18 Vorrichtung zum Trocknen von Flaschen

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EP (1) EP1498675A1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2072405A1 (de) * 2007-12-21 2009-06-24 Europool S.r.l. Modul zum Trocknen der Außenflächen von Behältern
DE102009052289A1 (de) * 2009-11-09 2011-05-12 Krones Ag Vorrichtung und Verfahren zum Etikettieren befüllter Behältnisse
CN106989586A (zh) * 2017-05-31 2017-07-28 成都璐城科技有限公司 一种中药材烘干设备
CN112033140A (zh) * 2020-09-10 2020-12-04 广东溢达纺织有限公司 风嘴、烘干机及其应用
CN112648802A (zh) * 2020-11-26 2021-04-13 安徽荷金来农业发展股份有限公司 一种牛肉加工除水设备
CN114001528A (zh) * 2021-10-13 2022-02-01 鹤壁李子园食品有限公司 一种瓶装牛奶生产线冷凝水去除装置

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1179178B (de) * 1960-02-13 1964-10-08 Krantz H Fa Vorrichtung zum Trocknen von innerhalb einer Kammer schwebend gefuehrten Bahnen, ins-besondere Gewebebahnen
GB1024683A (en) * 1963-02-28 1966-03-30 Holstein & Kappert Maschf Improvements in or relating to cleaning bottles or the like
FR1477554A (fr) * 1966-02-18 1967-04-21 Chelle Ets Ajutage à section expansible pour formation de jet sans risque d'obturation, notamment dans une machine à rincer les bouteilles
FR2482576A1 (fr) * 1980-05-15 1981-11-20 Giamello Bruno Machine automatique pour le lavage et le sechage en serie de bouteilles pleines
US4750277A (en) * 1986-04-07 1988-06-14 Kuhl Henry Y Apparatus for drying of articles traveling upon a conveyor
US4852271A (en) * 1988-03-04 1989-08-01 Owens-Illinois Glass Container Inc. Preheat oven for glass containers
FR2660583A1 (fr) * 1990-04-09 1991-10-11 Plastimarne Sa Procede de nettoyage automatique de bouteilles pleines et sa machine de mise en óoeuvre.
EP1028300A1 (de) * 1999-02-09 2000-08-16 Cames snc di Colla G. & Sardi G. Vorrichtung zum Trocknen von Flaschen

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1179178B (de) * 1960-02-13 1964-10-08 Krantz H Fa Vorrichtung zum Trocknen von innerhalb einer Kammer schwebend gefuehrten Bahnen, ins-besondere Gewebebahnen
GB1024683A (en) * 1963-02-28 1966-03-30 Holstein & Kappert Maschf Improvements in or relating to cleaning bottles or the like
FR1477554A (fr) * 1966-02-18 1967-04-21 Chelle Ets Ajutage à section expansible pour formation de jet sans risque d'obturation, notamment dans une machine à rincer les bouteilles
FR2482576A1 (fr) * 1980-05-15 1981-11-20 Giamello Bruno Machine automatique pour le lavage et le sechage en serie de bouteilles pleines
US4750277A (en) * 1986-04-07 1988-06-14 Kuhl Henry Y Apparatus for drying of articles traveling upon a conveyor
US4852271A (en) * 1988-03-04 1989-08-01 Owens-Illinois Glass Container Inc. Preheat oven for glass containers
FR2660583A1 (fr) * 1990-04-09 1991-10-11 Plastimarne Sa Procede de nettoyage automatique de bouteilles pleines et sa machine de mise en óoeuvre.
EP1028300A1 (de) * 1999-02-09 2000-08-16 Cames snc di Colla G. & Sardi G. Vorrichtung zum Trocknen von Flaschen

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2072405A1 (de) * 2007-12-21 2009-06-24 Europool S.r.l. Modul zum Trocknen der Außenflächen von Behältern
DE102009052289A1 (de) * 2009-11-09 2011-05-12 Krones Ag Vorrichtung und Verfahren zum Etikettieren befüllter Behältnisse
CN106989586A (zh) * 2017-05-31 2017-07-28 成都璐城科技有限公司 一种中药材烘干设备
CN112033140A (zh) * 2020-09-10 2020-12-04 广东溢达纺织有限公司 风嘴、烘干机及其应用
CN112033140B (zh) * 2020-09-10 2023-11-28 广东溢达纺织有限公司 风嘴、烘干机及其应用
CN112648802A (zh) * 2020-11-26 2021-04-13 安徽荷金来农业发展股份有限公司 一种牛肉加工除水设备
CN114001528A (zh) * 2021-10-13 2022-02-01 鹤壁李子园食品有限公司 一种瓶装牛奶生产线冷凝水去除装置

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