EP2601465B1 - Utilisation d'un dispositif pour sécher des pièces après un processus de lavage - Google Patents

Utilisation d'un dispositif pour sécher des pièces après un processus de lavage Download PDF

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Publication number
EP2601465B1
EP2601465B1 EP11738434.7A EP11738434A EP2601465B1 EP 2601465 B1 EP2601465 B1 EP 2601465B1 EP 11738434 A EP11738434 A EP 11738434A EP 2601465 B1 EP2601465 B1 EP 2601465B1
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EP
European Patent Office
Prior art keywords
vacuum chamber
workpiece
blowing
drying
dried
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EP11738434.7A
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German (de)
English (en)
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EP2601465A1 (fr
Inventor
Hermann-Josef David
Egon KÄSKE
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Ecoclean GmbH
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Duerr Ecoclean GmbH
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Publication of EP2601465A1 publication Critical patent/EP2601465A1/fr
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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
    • F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
    • 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
    • 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
    • F26B21/06—Controlling, e.g. regulating, parameters of gas supply
    • F26B21/12—Velocity of flow; Quantity of flow, e.g. by varying fan speed, by modifying cross flow area

Definitions

  • the present invention relates to a use of a device for drying workpieces after a cleaning process, wherein the device comprises a vacuum chamber for vacuum drying of a workpiece to be dried.
  • Such devices are used in particular for drying workpieces after cleaning in an aqueous cleaning system.
  • the drying is usually carried out by blowing air generated by fans or compressed air in a blowing zone and subsequent vacuum drying in a vacuum chamber.
  • the DE 10 2008 019 456 A1 discloses a use of a device for drying workpieces according to the preamble of claim 1.
  • the DE 101 44 225 C1 discloses a device for drying filters, which are arranged in cavities of a microtiter filter plate, comprising a vacuum chamber, wherein the device comprises a plurality of opening in the vacuum chamber blowing nozzles, by means of which the workpiece to be dried can be acted upon with a blowing medium.
  • the EP 1 832 353 A2 discloses a device for drying workpieces, comprising a vacuum chamber for vacuum drying of the workpieces to be dried, wherein the device via a gas supply line with a neutral gas, such as nitrogen, can be filled.
  • a neutral gas such as nitrogen
  • the DE 37 15 511 A1 discloses a device for drying wood, comprising a vacuum chamber for vacuum drying the wood, the device comprising a pipeline for supplying pressurized air.
  • the DE 27 21 256 A1 discloses a device for drying wood, comprising a vacuum chamber, which may be formed as a vacuum dryer, wherein the device comprises a blowing nozzle, by means of which the wood to be dried can be acted upon with blown air.
  • the EP 0 151 782 A1 discloses a device for drying powder or granules, comprising a vacuum chamber for vacuum drying of the powder or of the granules, the device comprising a hollow stirrer with outlet openings, by means of which the powder or granules to be dried can be acted upon by a treatment medium.
  • the US Pat. No. 6,158,146 discloses a device for drying chemical compounds, comprising a vacuum chamber for vacuum drying of the compounds, wherein the device comprises in the vacuum chamber opening blowing nozzles, by means of which the compounds to be dried can be acted upon by a blowing medium.
  • the present invention has for its object to provide a use of a device for drying workpieces after a cleaning process of the aforementioned type, which allows a largely backwashing-free drying of a workpiece to be dried.
  • the solution according to the invention is based on the concept of performing a blow-off process on the workpiece to be dried within the vacuum chamber used for the vacuum drying.
  • the device for drying workpieces has no blowing zone arranged outside the vacuum chamber for blowing off the workpiece.
  • the workpiece to be dried is introduced into the vacuum drying chamber immediately after the cleaning process. Recovering from a pre-drying process in a separate blowing zone is thereby excluded.
  • the position and / or the outlet direction of the blowing medium from the blowing nozzle is preferably adjustable, so that the blowing medium jet generated by means of the blowing nozzle can be directed in particular to recesses on the workpiece to be dried, in which cleaning liquid still adhering to the workpiece is located.
  • any fluid medium for example ambient air, compressed air or a vapor, can be used as blowing medium.
  • blowing medium has a temperature which is elevated in relation to the room temperature, this has the advantage that undesired cooling of the workpiece during the drying process is avoided.
  • the device for drying workpieces may comprise a device for heating the blowing medium.
  • the heating of the blowing medium avoids a desired cooling of the workpiece during the drying process.
  • the device for drying workpieces comprises a device for generating blowing medium pulses.
  • Blas medium pulses in particular by means of compressed air pulses, in particular critical points that are not dry by the vacuum drying process alone, can be applied to distribute the adhering to these areas detergent over a large area over the workpiece surface. Subsequently, the heat energy stored in the workpiece supports the drying by the vacuum process.
  • the blowing medium pulses have a duration of about 1.0 second or less.
  • the pulsed blowing off of the workpiece can take place before, during and / or after the vacuum drying process.
  • the ventilation of the vacuum chamber after the vacuum drying can be done in an easy-to-control manner and largely pollution-free, if the vacuum chamber is ventilated by at least one blowing nozzle.
  • the device preferably comprises at least one fine filter, through which a blowing medium can be fed to at least one blowing nozzle.
  • the fine filter preferably has a filtration fineness of about 10 ⁇ m or less, preferably about 5 ⁇ m or less.
  • the filter fineness specifies the particle size at which particles are retained by the filter.
  • the fine filter can in particular be designed as a HEPA filter (High Efficiency Particulate Air Filter).
  • the device comprises at least one opening in the vacuum chamber cleaning nozzle.
  • Through the cleaning nozzle is a, preferably liquid, detergent dispensable in the interior of the vacuum chamber.
  • At least one of the cleaning nozzles can be designed to be rotatable so that the largest possible area of the interior of the vacuum chamber can be acted upon by the cleaning agent through this cleaning nozzle.
  • the vacuum chamber may comprise at least one liquid drain.
  • the liquid discharge is formed so that liquid from a deepest point of the interior of the vacuum chamber through the liquid discharge from the vacuum chamber can be discharged.
  • the vacuum chamber is preferably formed so that its inner wall runs as close as possible to the outer contour of the workpiece to be dried, so that only a small gap between the surface of the workpiece to be dried and the inner wall of the vacuum chamber remains. This ensures that the vacuum chamber is rapidly evacuated and that in the interior of the vacuum chamber outside the workpiece remains little dead space in which dirt particles can accumulate.
  • the free volume of the interior of the vacuum chamber is at most about 200%, preferably at most about 150%, of the volume occupied by the workpiece to be dried, in this definition that of the part to be dried Workpiece occupied volume to the free volume of the interior of the vacuum chamber counts.
  • the vacuum chamber comprises a substantially cylindrical base body.
  • the device comprises a workpiece holder, which is arranged between a working position within the vacuum chamber and a loading position in which the workpiece holder at least partially, preferably substantially completely, outside the vacuum chamber , is movable.
  • the device for drying workpieces comprises a lid which is movable together with the workpiece holder and closes an access opening of the vacuum chamber when the workpiece holder is in its working position.
  • the vacuum chamber has a longitudinal direction, which is aligned substantially horizontally during the introduction of the workpiece to be dried in the vacuum chamber.
  • the direction of movement of the workpiece holder from the loading position to the working position is preferably aligned substantially parallel to this longitudinal direction of the vacuum chamber.
  • the longitudinal direction of the vacuum chamber is preferably the direction of an axis of symmetry of the vacuum chamber and / or a direction in which the expansion of the vacuum chamber is greatest.
  • the device for drying workpieces has a longitudinal direction, which is aligned substantially vertically during the introduction of the workpiece to be dried in the vacuum chamber.
  • the vacuum chamber has a longitudinal direction whose orientation, in particular by a device for rotating or tilting the vacuum chamber, is variable , in particular rotatable and / or tiltable, while the workpiece is disposed within the vacuum chamber.
  • the orientation of the longitudinal direction is variable after the introduction of the workpiece into the vacuum chamber and / or before the removal of the workpiece from the vacuum chamber.
  • the longitudinal direction of the vacuum chamber by 45 ° or more, preferably by about 90 °, for example, from a horizontal to a vertical orientation or from a vertical to a horizontal orientation, is rotatable or tiltable.
  • the present invention further relates to a method for drying workpieces after a cleaning process.
  • the invention is based on the further object of providing a method for drying workpieces after a cleaning process, in which a recontamination of a workpiece to be dried is largely avoided.
  • This object is achieved by a method for drying workpieces after a cleaning process according to claim 12.
  • the said method steps can also be carried out in a different order than in the order of enumeration in claim 12.
  • the ventilation of the vacuum chamber is carried out with a venting gas under increased pressure.
  • This vent gas expands upon entry into the vacuum chamber, which cools the vent gas and, in turn, cools the dried work piece.
  • the pressure of the venting gas is at least about 1 bar, preferably at least about 5 bar, above the atmospheric pressure of the ambient atmosphere.
  • blow-off of the workpiece and vacuum drying of the workpiece in the same vacuum chamber increases the efficiency of the drying process.
  • a vacuum pump with lower power can be used for the evacuation of the vacuum chamber.
  • a vacuum chamber 102 which comprises an example substantially cylindrical base body 104 which is closed at one end by a, for example, conical closure portion 106.
  • the vacuum chamber 102 On the side opposite the closure section 106, the vacuum chamber 102 has an access opening 108, for example substantially circular, which can be closed by means of a cover 110.
  • the lid 110 is connected to a workpiece holder 112, which has a locking device 114 for locking a workpiece 116 to be dried on the workpiece holder 112.
  • the workpiece holder 112 and the cover 110 are composed of an in Fig. 1 shown in solid lines loading position in which the workpiece holder 112 at least partially, preferably substantially completely, outside the vacuum chamber 102 is disposed in the in Fig. 1 shown in broken lines working position in which the workpiece holder 112 is disposed completely in the interior 118 of the vacuum chamber and the lid 110 closes the access opening 108 of the vacuum chamber 102 substantially gas-tight.
  • a movement device 120 To move the workpiece holder 112 and the lid 110 from the loading position to the working position and back from the working position back to the loading position is a movement device 120, of which in Fig. 1 only a guide device 122 is shown.
  • the guide device 122 may comprise, for example, a guide rod 124 connected to the cover 110, which passes through guide bores 126, which are provided, for example, on a respective guide plate 128.
  • the movement device 120 further comprises a motor drive (not shown), for example an electromotive, pneumatic or hydraulic drive, which engages in particular on the guide rod 124 to the same in its longitudinal direction, which is parallel to the direction of movement 130 of the workpiece holder 112 and the lid 110, to move.
  • a motor drive for example an electromotive, pneumatic or hydraulic drive, which engages in particular on the guide rod 124 to the same in its longitudinal direction, which is parallel to the direction of movement 130 of the workpiece holder 112 and the lid 110, to move.
  • the direction of movement 130 is substantially parallel to a longitudinal direction 132 of the vacuum chamber 102 and (in the in Fig.1 illustrated position of the vacuum chamber 102) aligned substantially parallel to the horizontal 134.
  • the longitudinal direction of the vacuum chamber 132 runs in particular parallel to a longitudinal center axis of the cylindrical basic body 104 of the vacuum chamber 102.
  • the device 100 further comprises a vacuum generator 138, for example in the form of a vacuum pump 140, which is connected to the interior 118 via an evacuation line 142 the vacuum chamber 102 is connected.
  • a vacuum generator 138 for example in the form of a vacuum pump 140, which is connected to the interior 118 via an evacuation line 142 the vacuum chamber 102 is connected.
  • shut-off valve 144 is arranged in the evacuation 142 .
  • the device 100 further comprises a blowing device 146 with a plurality of blowing nozzles 148 opening in the vacuum chamber 102, whose outlet openings 150 are directed onto the surface of the workpiece 116 to be dried, if the workpiece 116 is in the working position in the interior 118 of the vacuum chamber 102.
  • the blowing nozzles 148 are connected to a distribution channel 152 into which a blowing medium supply line 154 opens.
  • the distribution channel 152 may be disposed outside the vacuum chamber 102.
  • the distribution channel 152 may in particular be arcuate and, with respect to the longitudinal central axis 136 of the vacuum chamber 102, extend over a circumferential angle of at least approximately 90 °, preferably at least approximately 120 °, in particular at least approximately 180 °.
  • the blowing nozzles 148 are preferably directed from several sides, in particular of at least three sides, onto the workpiece 116 to be dried.
  • a shut-off device 156 is arranged in the blowing medium supply line 154.
  • the obturator 156 is controllable by a control device (not shown) of the device 100 in a blow-off phase of the drying process so that it releases the blowing medium supply line 154 during a short period of time, for example about 0.5 sec to about 0.1 sec, so that the tuyeres 148 deliver a corresponding short blowing medium pulse to the workpiece 116.
  • blow-off phase several such short blowing medium pulses can be generated.
  • the obturator 156 is controllable by the control device so that it releases the blowing medium supply line 154 until substantially the same pressure as in the outer space of the vacuum chamber 102 is reached in the interior space 118 of the vacuum chamber 102 and thus the vacuum chamber 102 is ventilated is, so that the access opening 108 can be opened again.
  • a fine filter 158 is arranged, through which the blowing medium is filtered before it is discharged via the tuyere 148 to the workpiece 116.
  • the fine filter 158 may be located downstream or upstream of the obturator 156.
  • the fine filter 158 is a filter having a filter fineness of, for example, about 10 ⁇ m or less, preferably about 5 ⁇ m or less.
  • the filter fineness specifies the particle size at which particles are retained by the filter.
  • the fine filter 158 is formed as a close-meshed fine filter.
  • the fine filter 158 may in particular be designed as a HEPA filter (High Efficiency Particulate Air Filter). Such a filter has the filter class H10 according to the European standard EN1822-1: 1998 or better.
  • the blowing medium supply line 154 is connected to a blowing medium source 160.
  • the blowing medium source 160 can be, for example, a compressed-air source, from which the compressed-air feed line 154 compressed air can be supplied at a pressure which is higher than the atmospheric pressure.
  • Such a compressed air source may in particular be a compressed air network of a production facility.
  • the compressed air in this case preferably has an overpressure relative to the atmospheric pressure of about 1 bar or more, in particular of about 5 bar or more.
  • blowing medium source 160 is formed by the ambient air in the outer space 162 of the vacuum chamber 102.
  • the supplied blowing medium has the atmospheric pressure.
  • blowing medium source 160 may be a generation and / or storage device of a vapor.
  • the vapor preferably has a temperature above the ambient temperature. This ensures that the charged with the blowing medium workpiece 116 does not cool or the workpiece 116 is even heated by the blowing with the blowing medium, which promotes the drying of the workpiece 116.
  • the blowing device 146 has a device (not shown) for heating the blowing medium, when the blowing medium is formed for example by ambient air or by compressed air.
  • the feeding of the blowing medium into the vacuum chamber 102 takes place in such a way that no dirt particles in the inner space 118 of the vacuum chamber 102 are whirled up. As a result, contamination of the workpiece to be dried 116 with dirt from the vacuum chamber 102 is avoided.
  • the entry of the blowing medium into the vacuum chamber 102 takes place from above and from the side, but preferably not from below. This also avoids contamination of the workpiece 116 to be dried with dirt particles that could be carried by the blowing medium to the workpiece 116.
  • the blowing nozzles 148 are adjustable (manually or by motor) with regard to the position and the orientation of their nozzle outlet openings, in order to be able to direct the blowing-medium jets to specific desired locations on the surface of the workpiece 116 to be dried.
  • blowing nozzles 148 are adjustable so that the blowing medium beams generated by them are directed to recesses, for example deep holes, on the workpiece 116, since such recesses form critical points which may not be sufficient by vacuum drying alone be dried.
  • the vacuum chamber 102 is designed such that its inner wall 164 runs as close as possible to the outer contour of the workpiece 116 to be dried, so that the smallest possible gap between the surface of the workpiece 116 to be dried and the inner wall 164 of the vacuum chamber 102 remains. In this way it is achieved that the vacuum chamber 102 is rapidly evacuated and that in the interior 118 of the vacuum chamber 102 outside the workpiece 116 remains little dead space in which dirt particles can accumulate.
  • the free volume of the inner space 118 of the vacuum chamber 102 is at most about 200%, preferably at most about 150%, of the volume occupied by the workpiece 116 to be dried (note that FIG this definition of the free volume of the interior 118 of the vacuum chamber 102, the volume occupied by the workpiece 116 to be dried during operation of the apparatus 100 forms part of this free volume).
  • the interior of the vacuum chamber 102 is designed so that no dirt can accumulate and drops of liquid, in particular condensate, do not fall onto the workpiece 116.
  • the device 100 further comprises a cleaning device 166, by means of which the interior space 118 of the vacuum chamber 102 can be cleaned.
  • the cleaning device 166 may in particular comprise one or more rinsing nozzles or cleaning nozzles 168, which are arranged in the inner space 118 of the vacuum chamber 102 and by means of which a, preferably liquid, cleaning agent can be dispensed into the inner space 118.
  • At least one of the cleaning nozzles 168 may in particular be designed to be rotatable so that the largest possible area of the interior 118 of the vacuum chamber 102 can be acted upon by the cleaning agent through this cleaning nozzle 168.
  • the rotational movement of the relevant cleaning nozzle 168 is preferably driven by a motor.
  • the cleaning nozzle 168 is connected to a detergent reservoir 172 via a detergent supply line 170.
  • a shut-off device 174 is arranged in the detergent supply line 170.
  • the vacuum chamber 102 is further provided with a liquid outlet 176.
  • the liquid outlet 176 preferably opens at a lowest point of the inner space 118 of the vacuum chamber 102 into this inner space 118.
  • liquid outlet 176 is provided with a shut-off device 178.
  • the workpiece 116 may be an engine component, such as an engine block or a cylinder head.
  • the workpiece 116 may in particular have recesses or other scooping parts in which cleaning liquid can accumulate.
  • the workpiece 116 is introduced into the vacuum chamber 102 immediately after the cleaning operation.
  • the workpiece 116 is not subjected to a blow-off process before it is introduced into the vacuum chamber 102.
  • the usual predrying process in a blowing zone is thus dispensed with in the device 100 described here and the drying method carried out in order to avoid back-soiling through such a predrying process.
  • the movable between a loading position and a working position workpiece holder 112 forms a shuttle system by means of which the vacuum chamber 102 can be loaded with the workpiece 116 and by means of which the workpiece 116 can be discharged from the vacuum chamber 102 again.
  • the workpiece holder 112 is in the in Fig. 1 shown in solid lines loading position in which the workpiece to be dried 116 is placed on the workpiece holder 112 and locked by means of the locking device 114 to the workpiece holder 112.
  • the workpiece holder 112 is moved from the loading position to the in Fig. 1 moved shown in broken lines working position, at the same time the access opening 108 of the vacuum chamber 102 is closed by the cover 110 gas-tight.
  • the interior 118 of the vacuum chamber 102 is evacuated by the vacuum generator 138 to a final pressure in the range of about 30 mbar or less, preferably in the range of about 5 mbar or less.
  • Critical locations of the workpiece 116 that do not become dry by vacuum drying alone, such as deep bores on the workpiece 116, are delivered by the blower 146 through the blowing nozzles 148 with short blowing medium pulses (having a duration of 1.0 second or less, preferably about 0.5 sec or less).
  • the pressure of the blowing medium can thereby correspond to the atmospheric pressure or, when compressed air is used, be above the atmospheric pressure, preferably at least approximately 1 bar, in particular at least approximately 5 bar, above the atmospheric pressure.
  • cleaning liquid adhering to the workpiece 116 for example water
  • the heat energy stored in the workpiece 116 assists the subsequent vacuum drying process.
  • the pressure in the vacuum chamber 102 is maintained at the above-mentioned low final pressure for a predetermined period of time.
  • the workpiece 116 can be subjected to blowing medium pulses.
  • the vacuum chamber 102 is vented.
  • blow nozzles 148 which are directed onto the workpiece 116, are supplied with blowing medium, which has been guided via the fine filter 158.
  • the blowing medium used for aeration may be the same medium which has been used to produce the blowing medium pulses at the beginning of the drying process, or may be a different blowing medium.
  • ambient air or compressed air preferably from a compressed air network, can be used for ventilating the interior 118 of the vacuum chamber 102.
  • the supplied blowing medium expands upon entry into the vacuum chamber 102, thereby cooling the blowing medium and, in turn, cooling the workpiece 116 toward which the blowing media jets are directed upon aeration of the vacuum chamber 102.
  • the device 100 is further provided with a device (not shown) for rotating or tilting the vacuum chamber 102, with which the vacuum chamber 102 from the in the Fig. 1 and 2 illustrated initial position in which the longitudinal direction 132 of the vacuum chamber 102 is oriented substantially horizontally, can be brought into an end position in which the longitudinal direction 132 of the vacuum chamber 102 is oriented substantially vertically.
  • the transfer of the vacuum chamber 102 from the starting position into the end position preferably takes place after the introduction of the workpiece 116 into the interior space 118 of the vacuum chamber 102 and before or during the execution of the vacuum drying process.
  • the vacuum chamber 102 is preferably moved back again from the end position to the starting position.
  • One in the Fig. 3 and 4 illustrated second embodiment of a device 100 for drying workpieces 116 after a cleaning process is different from that in the Fig. 1 and 2 illustrated first embodiment in that the longitudinal direction 132 of the vacuum chamber 102, and thus in particular the longitudinal center axis 136 of the vacuum chamber 102, not substantially horizontally, but substantially parallel to the vertical 180 is aligned.
  • This embodiment of the device 100 is particularly recommended if the cleaning liquid remaining in the workpiece 116 after the cleaning process can flow out of the workpiece 116 more easily when the workpiece 116, that is to say the vertically aligned longitudinal direction 182 of the workpiece 116, is stationary.
  • the in the Fig. 1 and 2 illustrated preferred embodiment of a device 100 in which the longitudinal direction 132 of the vacuum chamber 102, at least during the loading of the vacuum chamber 102 with the workpiece 116 is aligned substantially horizontally, since in this arrangement, the handling of the workpiece 116 and its locking on the workpiece holder 112 easier are.
  • the evacuation line 142 preferably opens into the interior 118 of the vacuum chamber 102 through the peripheral wall of the main body 104 of the vacuum chamber 102.
  • the inside of the lid 110 is concavely curved, it is achieved that the inner wall 164 of the vacuum chamber 102, in particular of the vertically disposed over the workpiece 116 located in the working position part of the inner wall 164, is curved, so that there is no Accumulate liquid and can fall down on the workpiece 116.
  • a device for rotating or tilting the vacuum chamber 102 is present, by means of which the vacuum chamber 102 of the in the Fig. 3 and 4 illustrated initial position in which the longitudinal direction 132 of the vacuum chamber 102 is oriented substantially vertically, can be brought into an end position in which the longitudinal direction 132 of the vacuum chamber 102 is oriented substantially horizontally.
  • scooping parts of the workpiece 116 which still remain filled with cleaning fluid when the workpiece 116 is in the starting position, can be swiveled out during the rotation by, for example, approximately 90 °.

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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)

Claims (13)

  1. Utilisation
    d'un dispositif servant à sécher des pièces (116) après une opération de nettoyage, comprenant une chambre à vide (102) servant à sécher sous vide une pièce (116) à sécher,
    dans laquelle le dispositif (100) comprend au moins une buse de soufflage (148) débouchant dans la chambre à vide (102), au moyen de laquelle la pièce (116) à sécher peut être soumise à l'action d'un milieu de soufflage,
    dans laquelle le dispositif (100) comprend, en plus de la buse de soufflage (148), au moins une buse de nettoyage (168) débouchant dans la chambre à vide (102), par laquelle buse de nettoyage un agent de nettoyage peut être distribué dans l'espace intérieur de la chambre à vide (102), et
    dans laquelle le dispositif (100) comprend un système servant à produire des impulsions de milieu de soufflage,
    afin de sécher des pièces (116) après une opération de nettoyage, caractérisée en ce
    que les impulsions de milieu de soufflage présentent une durée de 1,0 seconde ou moins.
  2. Utilisation selon la revendication 1, caractérisée en ce que la chambre à vide (102) peut être aérée par au moins une buse de soufflage (148).
  3. Utilisation selon l'une quelconque des revendications 1 ou 2, caractérisée en ce que le dispositif (100) comprend au moins un filtre fin (158), par lequel un milieu de soufflage peut être amené à au moins une buse de soufflage (148).
  4. Utilisation selon l'une quelconque des revendications 1 à 3, caractérisée en ce que la chambre à vide (102) comprend au moins une évacuation de liquide (176).
  5. Utilisation selon l'une quelconque des revendications 1 à 4, caractérisée en ce que le volume libre de la chambre à vide (102) représente au maximum 200 % du volume occupé par la pièce (116).
  6. Utilisation selon l'une quelconque des revendications 1 à 5, caractérisée en ce qu'au moins une partie d'une paroi intérieure (164), disposée de manière perpendiculaire au-dessus de la pièce (116), qui se trouve dans une position de travail à l'intérieur de la chambre à vide (102), de la chambre à vide (102) est réalisée de manière inclinée et/ou courbée par rapport à l'horizontale (134).
  7. Utilisation selon l'une quelconque des revendications 1 à 6, caractérisée en ce que le dispositif (100) comprend un logement de pièce (112), qui peut être déplacé entre une position de travail à l'intérieur de la chambre à vide (102) et une position de chargement, dans laquelle le logement de pièce (112) est disposé au moins en partie à l'extérieur de la chambre à vide (102).
  8. Utilisation selon la revendication 7, caractérisée en ce que le dispositif (100) comprend un couvercle (110), qui peut être déplacé conjointement avec le logement de pièce (112) et qui ferme une ouverture d'accès (108) de la chambre à vide (102), quand le logement de pièce (112) se trouve dans sa position de travail.
  9. Utilisation selon l'une quelconque des revendications 1 à 8, caractérisée en ce que la chambre à vide (102) présente une direction longitudinale (132), qui est orientée essentiellement de manière horizontale au cours de l'introduction de la pièce (116) à sécher dans la chambre à vide (102).
  10. Utilisation selon l'une quelconque des revendications 1 à 8, caractérisée en ce que la chambre à vide (102) présente une direction longitudinale (132), qui est orientée de manière essentiellement verticale au cours de l'introduction de la pièce (116) à sécher dans la chambre à vide (102).
  11. Utilisation selon l'une quelconque des revendications 1 à 10, caractérisée en ce que la chambre à vide (102) présente une direction longitudinale (132), dont l'orientation peut être modifiée, en particulier peut être tournée et/ou basculée, tandis que la pièce (116) est disposée à l'intérieur de la chambre à vide (102).
  12. Procédé servant à sécher des pièces (116) après une opération de séchage, comprenant des étapes de procédé suivantes consistant à :
    - introduire une pièce (116) à sécher dans une chambre à vide (102) ;
    - soumettre la pièce à l'intérieur de la chambre à vide (102) à l'action d'impulsions de milieu de soufflage, qui présentent une durée de 1,0 seconde ou moins, par au moins une buse de soufflage (148) ;
    - faire le vide dans la chambre à vide (102) afin de procéder à un séchage sous vide de la pièce (116) ;
    - aérer la chambre à vide (102) ;
    - extraire la pièce (116) de la chambre à vide (102),
    dans lequel un agent de nettoyage est distribué dans l'espace intérieur de la chambre à vide (102) par au moins une buse de nettoyage (168) débouchant dans la chambre à vide (102), prévue en plus de la buse de soufflage (148).
  13. Procédé selon la revendication 12, caractérisé en ce que l'aération de la chambre à vide (102) est effectuée avec un gaz d'aération, qui se trouve sous une pression plus élevée par rapport à la pression atmosphérique.
EP11738434.7A 2010-08-02 2011-07-25 Utilisation d'un dispositif pour sécher des pièces après un processus de lavage Active EP2601465B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010038799 DE102010038799A1 (de) 2010-08-02 2010-08-02 Vorrichtung zum Trocknen von Werkstücken nach einem Reinigungsvorgang
PCT/EP2011/062770 WO2012016878A1 (fr) 2010-08-02 2011-07-25 Dispositif pour sécher des pièces après un processus de lavage

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EP2601465A1 EP2601465A1 (fr) 2013-06-12
EP2601465B1 true EP2601465B1 (fr) 2016-08-31

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CN (1) CN103052857B (fr)
DE (1) DE102010038799A1 (fr)
WO (1) WO2012016878A1 (fr)

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DE102014213172A1 (de) * 2014-07-07 2016-01-07 Dürr Ecoclean GmbH Anlage für das Trocknen von Werkstücken
CN104482725B (zh) * 2014-12-15 2016-05-25 上海明兴开城超音波科技有限公司 一种清洗零件的低压干燥法和它的装置
MY193326A (en) * 2017-08-30 2022-10-05 Top Glove Int Sdn Bhd Diffuser system for moisture content removal in glove manufacturing process
CN110762955A (zh) * 2019-10-29 2020-02-07 青岛杰瑞工控技术有限公司 一种列车制动阀的高压风干装置

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IT1071276B (it) * 1976-05-12 1985-04-02 Pagnozzi Ernesto Guglielmo Perfezionamenti nei procedimenti e negli impianti di essiccazione del legname..particolarmente negli impianti che impiegano il vuoto
DE3470665D1 (en) 1983-12-21 1988-06-01 Gergely Gerhard Process and apparatus for treating a powder or a granulate by applying heat
CH667324A5 (de) 1986-05-13 1988-09-30 Josef Wild & Co Maschinenfabri Verfahren zum trocknen von holz und holz-trocknungseinrichtung.
ATA253591A (de) * 1991-12-20 1996-08-15 Ruebig Ges M B H & Co Kg Verfahren zum reinigen von werkstücken
DE4237335A1 (de) * 1992-10-21 1994-04-28 Duerr Gmbh & Co Verfahren und Einrichtung zur Trocknung eines mit einer Reinigungsflüssigkeit behandelten Werkstücks
DE4328199C1 (de) * 1993-08-21 1994-10-13 Duerr Gmbh & Co Verfahren und Einrichtung zum Trocknen eines nach einer Bearbeitung mit einer Reinigungsflüssigkeit gereinigten Werkstücks
US5937536A (en) 1997-10-06 1999-08-17 Pharmacopeia, Inc. Rapid drying oven for providing rapid drying of multiple samples
DE19853304C2 (de) * 1998-01-09 2001-02-01 Cae Beyss Gmbh Verfahren zum Trocknen eines Werkstücks
DE10144225C1 (de) 2001-09-08 2003-02-06 Eppendorf Ag Verfahren zum Trocknen von Filtern, die in Kavitäten einer Mikrotiterfilterplatte angeordnet sind
CN1375677A (zh) * 2002-04-09 2002-10-23 王淑英 低温负压烘干青物料设备及其加工方法
EP1832353A3 (fr) 2006-03-08 2009-05-06 St Microelectronics S.A. Nettoyage de masques de photolithographie
JP2008294368A (ja) * 2007-05-28 2008-12-04 Espec Corp 洗浄乾燥装置
CN100483053C (zh) * 2007-07-12 2009-04-29 德尔福（上海）动力推进系统有限公司 一种深盲孔零件清洗后的水迹干燥方法和它的装置
DE102008019456B4 (de) 2008-04-18 2019-09-26 Ecoclean Gmbh Reinigungsvorrichtung und Verfahren zur Reinigung eines Werkstücks

Also Published As

Publication number Publication date
WO2012016878A1 (fr) 2012-02-09
CN103052857B (zh) 2015-04-15
CN103052857A (zh) 2013-04-17
EP2601465A1 (fr) 2013-06-12
DE102010038799A1 (de) 2012-02-02

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