EP1754543B1 - Appareil et méthode pour vider des conteneurs de substances visqueuses - Google Patents

Appareil et méthode pour vider des conteneurs de substances visqueuses Download PDF

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Publication number
EP1754543B1
EP1754543B1 EP06119157A EP06119157A EP1754543B1 EP 1754543 B1 EP1754543 B1 EP 1754543B1 EP 06119157 A EP06119157 A EP 06119157A EP 06119157 A EP06119157 A EP 06119157A EP 1754543 B1 EP1754543 B1 EP 1754543B1
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EP
European Patent Office
Prior art keywords
plate
pump
follower plate
container
vacuum
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EP06119157A
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German (de)
English (en)
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EP1754543A3 (fr
EP1754543A2 (fr
Inventor
Erich Scheugenpflug
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Individual
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Publication of EP1754543A2 publication Critical patent/EP1754543A2/fr
Publication of EP1754543A3 publication Critical patent/EP1754543A3/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/58—Arrangements of pumps
    • B67D7/62—Arrangements of pumps power operated
    • B67D7/64—Arrangements of pumps power operated of piston type
    • B67D7/645—Barrel pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B23/00—Pumping installations or systems
    • F04B23/02—Pumping installations or systems having reservoirs
    • F04B23/025—Pumping installations or systems having reservoirs the pump being located directly adjacent the reservoir
    • F04B23/028—Pumping installations or systems having reservoirs the pump being located directly adjacent the reservoir the pump being mounted on top of the reservoir

Definitions

  • the invention relates to an emptying device for highly viscous substances.
  • the type of pump is of secondary importance. Instead of scoop pumps and eccentric screw pumps can be used, or other types of pumps, each having specific advantages and disadvantages, especially in connection with the delivery of pasty materials have.
  • the gap is evacuated, only through the sieve plate and closed top plate existing openings, so usually only the sieve openings, a passage of air or paste ,
  • the sieve plate initially rests only on the elevations of the uneven surface of the paste.
  • This process is performed prior to each pumping out of the paste from the container and is preferably maintained during the pump down, and in particular maintained throughout the container evacuation, even though no paste pumping is currently taking place.
  • the barrel follower plate After complete emptying of the container, the barrel follower plate, whose space is indeed at least partially filled with paste, disposed of together with the container, which is why the follower plate is inexpensively made of plastic.
  • top plate and screen plate are tightly connected, in particular glued or integrally formed with each other, on the one hand on the outer peripheral edge and on the other hand in particular via a pumping wall, which surrounds the usually central pumping hole tight and the vertical distance bridged between the top plate and the sieve plate, and on the upper end of the pump or its suction tube is placed, for which a connecting device for tight fitting and longitudinally fixed, at least in the feed direction down, is present to by pressurizing the pump or the suction tube in the feed direction also to act on the barrel follower plate in the feed direction.
  • the outer edge of the barrel follower plate is elastic in the radial direction in order to fit tightly against the inner circumference of the container, which for this purpose in the course direction from top to bottom has a constant, usually a round, cross-section.
  • the edge of the barrel follower plate is preferably a towering over the top plate, conically upwardly and outwardly slightly widening, annular peripheral edge whose elasticity is ensured by the material elasticity of the plastic from which the barrel follower plate and thus their edge.
  • the number of sieve openings is as large as possible, in particular greater than 100, or greater than 500 or even greater than 1000 or 2000, and the distances of the screen openings from each other so the width of the webs in between, as low as possible, namely at most 30 millimeters, better at most 20 millimeters or at most 10 millimeters.
  • the sieve openings can punctiform, z. B. circular, screen openings or elongated, in particular radially slit-shaped, screen openings, there it is harmless if one and the same sieve opening communicates with several separate air inclusions.
  • a negative pressure could be applied from several points, so that trapped air is sucked off at one point, while paste is already present at the other vacuum port.
  • the height distance between the upper plate and the sieve plate increases towards the negative pressure connection or towards the overflow, in order to avoid sealing between the upper plate and the sieve plate by means of paste, before all the air has been sucked out of the intermediate space.
  • the screen plate itself can be straight, ie flat, be formed or even slightly tapered even from the edge towards the center to the feeding of the paste to the central pump opening by pressure on the barrel follower plate in the feed direction, ie in the container down to favor.
  • drum follower plate Since the drum follower plate is not reused after emptying the container together with the container, and thus also the paste taken up in the drum follower plate, its volume must be kept as low as possible and thus also the free distance between top plate and screen plate, which should therefore be less than 30 millimeters, in particular less than 20 millimeters or even less than 10 millimeters.
  • top plate and screen plate are verrippt against each other, so supported by vertically upstanding ridges or other spacers against each other, the webs preferably extend radially, but in particular not from the outer edge to the inner pumping wall go through and go into this, to ensure a connection in the circumferential direction between the otherwise resulting individual chambers, in particular near the inner periphery, so the pump wall.
  • the discharge device In order to move the barrel follower plate relative to the container and in particular to be able to apply force to the container in the feed direction, the discharge device also comprises a lifting device for lifting and, above all, lowering the container on the one hand and the barrel follower plate on the other hand relative to one another.
  • the patch on the barrel follower plate pump be connected to the lifting device and both together relative to a fixed point, namely a support frame, are moved vertically, while the container is stationary.
  • the container is placed on a relative to the support frame movable support plate and moves, with the result that barrel follower plate and pump remain at rest.
  • This has the advantage that all running to the drum follower plate and the pump lines are not subject to movement, and therefore their risk of damage is reduced.
  • an enclosing housing with a particular transparent door part of the emptying device on the one hand only when the door closed the lifting device in motion and thus to avoid a risk of injury, on the other hand, but also within this on request tight housing temperature and To be able to actively control humidity inside the enclosure in accordance with storage specifications for the paste with regard to these physical parameters.
  • a force sensor is useful to monitor the pressure of the barrel follower plate into the paste and also a sensor for detecting the conveying speed or flow rate of the pump, which is anyway driven preferably from the consumer side to the current needs, especially order To be able to carry out plausibility checks between the determined flow rate on the one hand and the sinking of the barrel follower plate on the other hand, because if both do not correlate, this means that paste z. B. was pressed past the outer edge of the follower plate and thus the contact pressure is too high or, conversely, no sufficient tracking of the plate is given due to low feed pressure.
  • the emptying device has a control that performs these comparisons in addition to the movement of the lifting device and optionally also the activation of the negative pressure, and possibly a memory unit for the measured values of the sensors and also the results of the comparisons, and / or a data output, the proper Expiration of the entire emptying process is logged and proven or checked.
  • the scoop pump is therefore controlled so that when stopping the pump, the scoop always remains in a defined parking position relative to the pump housing, so that it is possible to provide a vacuum connection on the intake manifold, optionally below and / or above this parking position and during evacuation of the drum follower plate to vent this part of the suction pipe with.
  • the necessary optical control ie either the passage of paste through all sieve openings of the sieve plate and / or the reaching of predefined locations in all of the viewing tubes by the paste, is also automatically monitored by means arranged there optical sensors.
  • this is done by an initial insertion of the container in a centering device on the base plate, for example, the insertion between two mutually angled stop bars that can be equipped for monitoring with a button or pressure sensor for this purpose.
  • a Querverfahr device which ensures tracking in both transverse directions to the vertical between the container on the one hand and the barrel follower plate on the other it by a floating mounted base plate and / or a laterally displaceable barrel follower plate by, for example, the support arm, to which the pump and the suction tube are fixed, is transversely displaceable and also entrains the barrel follower plate by this in the transverse direction with the pump or the suction pipe is connected.
  • Fig. 1 shows in the side view of the emptying device 1 for removing paste 20, which is delivered in a barrel-like container 2 with constant over the height inner, usually round, cross-section 3.
  • a barrel follower plate 4 is placed or pressed onto the surface 21 of the paste 20, which covers the entire surface 21 and rests tightly against the inner cross section 3 of the container 2.
  • the paste 20 is pumped out by means of a pump 5, whereby the amount of paste 20 decreases in the container 2 and the follower plate 4 of the sinking surface 21 due to the action in the feed direction 10, so the axial direction in the Container 2 in, follows.
  • the pump 5 is in this case a scoop pump whose scoop piston 27 moves up and down in the feed direction 10, in particular to below the surface 21 of the paste 20 and thereby paste 20 at each stroke up into the suction pipe 35 and from there further transported via the pump 5 and suitable extraction lines 34 to one or more connected consumers.
  • the follower plate 4 in particular its pumping wall 13 projecting upwards around the central pump opening 12, is tightly connected to the suction tube 35 of the pump 5, which sits axially fixed in the feed direction 10 and preferably also in the transverse direction to the pumping wall 13, and by forward movement of the suction tube 35 and the pump 5 down in the feed direction 10 is applied with force, so that the paste 20 is displaced upwards into the pump opening 12 into it.
  • both are connected via a coupling 33 with a lifting device 17 in the form of a pneumatic piston, which is located above the pump 5 and clutch 33 and the piston rod 17 a vertically down from the Cylinder 17b projects, which is fixedly attached to a housing or support frame.
  • the thus aligned to the axis of movement of the piston rod 17 a positioned follower plate 4 is exactly aligned with the container 2, before placing the follower plate 20 of the open-topped container 2 on the fixed in this case, the base plate 19 which is attached to a support frame 20, and pushed transversely to the feed direction 10 in a container centering 36, which consists of two defined at an angle to each other on the base plate 19 positioned stop strips 36, which of course must be positioned depending on the container 2 used, in particular their outer diameter, respectively.
  • the barrel follower plate 4 and other elements of the emptying device 1 are according to Fig. 1 already equipped according to the invention as described below.
  • FIG. 1 While in Fig. 1 the relative movement between the follower plate 4 and the container 2 is done by lowering the follower plate 4 by means of movement of the pump 5 and suction tube 35 pressing thereon, the show Fig. 2 a solution in which, conversely, the follower plate 4 (which in the Fig. 2 not visible but within the container 2) and the associated pump 5 remain at rest and instead the container 2 against the feed direction 10 is moved upward by vertical movement of the base plate 19, on which the container 2, in turn, inserted into a container centering 36, is turned off.
  • the base plate 19 is guided vertically along the vertical corner columns of the support frame 18 and movable by means of a lifting device 17 ', which acts on two on opposite sides of the base plate 19 Pneumatic cylinders 17b exists.
  • a lifting device 17 ' which acts on two on opposite sides of the base plate 19 Pneumatic cylinders 17b exists.
  • these are arranged in the corner regions of the quadrangular base plate 19 and protrude from the lower end position of the base plate 19 substantially from above, wherein the upwardly out of the cylinder 17b extendable piston rod 17a extending against a cylinder 17b above and presses the bridge 42 connected to the base plate 19.
  • Wegmessvorraum 26 In addition to one of the lifting devices 17 'while a Wegmessvorraum 26 is arranged, which determines the altitude of the base plate 19 at any time.
  • this emptying device 1 is housed in a closed, cabinet-like housing 23, the front door 24, which is necessary for changing the container 2, a viewing window for optical control of the correct emptying process has.
  • the housing 23, which is preferably produced by dense planking of the stability-securing support frame 18, on the one hand provides protection against engagement in the emptying device during operation, which would constitute a risk of injury from moving relative to each other parts, and on the other hand, the possibility therein for the paste to be handled correct physical parameters such.
  • pressure, temperature and humidity in the interior of the container 23 to actively set and monitor which is particularly important in by atmospheric moisture and / or temperature-curing pastes, such as those used as sealants and adhesives, is of great importance.
  • all functional parts of the emptying device in particular the control panel for the electrical control 25, are housed as well as all the sensors arranged for monitoring the emptying process, namely sensors for the aforementioned physical parameters of the atmosphere within the container 23 and a force sensor for the application of force to the container 2 and follower plate 4 against each other, and / or a pressure sensor for the pressure prevailing in the paste in the container 2 and / or in the suction tube 35 and the extraction line 34 Paste 20.
  • the monitoring of the emptying process can be documented on the one hand and automatically monitored in addition to the manual optical control, which is mainly that above the follower plate 4 as well as at the passages between the follower plate, suction tube 35 and pump 5 etc. may escape.
  • a peripheral edge 11 projects upwardly, the outer periphery of which widens conically upwards with a small skew angle of about 3 ° - 10 ° deviating from the vertical, wherein the material thickness of the rim 11 is to be measured the edge 11 with its freely leaking upper end elastically on the inner cross-section 3 of the container 2 can create tight.
  • the screen plate 13 is stiffened by arranged on its top, star-shaped stiffening webs 15, which end at the same height as a circumferential shoulder 43 in the inner periphery of the rim 11 and the pump opening 12 surrounding annularly closed pumping wall 13 '.
  • Fig. 3a shows, the webs 15 do not go through in the radial direction, but have passages 44 between the separated from the webs 15 areas, which in the perspective view of Fig. 3c have been omitted for the sake of simplicity.
  • the top plate 6 corresponds from its outer diameter to the inner diameter of the rim 11 at the height of the shoulder 43 and is closed except for a likewise existing, equally large central pump opening 12, of which in turn a pumping wall 13 projects upwards.
  • Fig. 5 shown barrel follower plate 4 and 4 ' Due to the tight connection of the preferably transparent top plate 6 with the screen plate 7 is formed in the Fig. 5 shown barrel follower plate 4 and 4 ', the in the Fig. 5a and b is shown in longitudinal section, and thereof the variant according to Fig. 5a when Fig. 5c in three-dimensional view.
  • Fig. 4 shows, between the top plate 6 and the sieve plate 7 resulting gap 8 is the distance 8 'between the two plates only accessible via the at least one, nozzle-like upstanding from the top plate 6 vacuum port 9.
  • the pump opening 12 in the pump wall 13 also an opening through a side open vacuum port 9 'have.
  • this gap 8 fills completely with paste 20, since as well as the screen openings 14 and the passages 44 in the webs 15 are dimensioned sufficiently large to pass through the paste 20 at the applied negative pressure.
  • paste 20 will also emerge from the vacuum connection 9 towards a viewing tube 29 connected to it, which preferably is transparent like the top plate 6 and is used together with the follower plate 4 as a disposable part.
  • sieve plate 7 and top plate 6 can be flat and thus also the bottom 7a of the sieve plate 7 represent a flat surface.
  • Fig. 5b shows a design in which on the one hand, the screen plate 7 and thus also its bottom 7a slightly conically increases from the outer edge to the middle, preferably at an angle of 5 ° - 15 °. As a result, the displacement of the paste 20 in the container 2 to the central pump opening 12 is supported.
  • the distance 8 'between the top plate 6 and the sieve plate 7 can not be constant, but increase in one direction, for example, again from the outer edge to the central pumping wall 13 or vice versa, and the negative pressure port 9 thereby in the region of largest distance 8 'are arranged.
  • the show Fig. 5 each in the left half of the image and the loading of the follower plate 4 in the feed direction 10 by the suction tube 35 by means of a pressure plate 41 which - formed as a rotary part and made of metal, in particular aluminum - covering substantially the entire top of the follower plate 4 and applied, so that the follower plate 4 can be made even with a lower intrinsic stability.
  • the pressure plate 41 is preferably connected via a thread 45 fixed to the suction tube 35.
  • Fig. 5a also shows the using a scoop pump as a pump 5 within the pump opening 12 up and down moving scoop piston 27, in a parking position 28, in which the standstill of the pump generally stops.
  • the scoop piston 27 is designed so that it - at least in its parked position 28 - under certain circumstances rests tightly against the inner circumference of the pumping wall 13, also mediated by the piston 27 adhering paste 20 - so is preferably also in the pumping wall 13, namely at a location above the scooping piston 27 located in the parking position 28, a negative pressure connection 9 'provided in order to also be able to remove existing air at the beginning of the emptying process.
  • the vacuum ports 9, 9 ' can be connected via a y-shaped viewing tube of sufficient length with one and the same vacuum source. Sufficient length of sight tubes is necessary to prevent that in one branch of the view tube no paste 20 is visible, while the other branch is so far filled with paste 20 that it threatens to pollute the behind the sight tube 29 following solid vacuum connection.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Basic Packing Technique (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)

Claims (16)

  1. Dispositif (1) pour vider des pâtes (20) se trouvant dans des récipients en forme de fûts (2) avec
    - un plateau suiveur de fût (4),
    - une pompe (5) raccordée à l'ouverture de pompe (12) du plateau suiveur de fût (4), le plateau suiveur de fût (4) comprenant un plateau supérieur (6) ainsi qu'un plateau perforé (7) disposé contre ce dernier, dont l'espace intermédiaire (8) dispose d'un premier raccordement de dépression (9),
    caractérisé en ce que
    l'ouverture de pompe (2) est fermée de manière étanche vis à vis de l'espace intermédiaire (8) par une paroi de pompe (13).
  2. Dispositif de vidage selon la revendication,
    caractérisé en ce que
    - le plateau supérieur (6) est relié de manière étanche au plateau perforé (7) en particulier collé ou est formé d'une seule pièce avec ce dernier et/ou en particulier
    - le plateau suiveur de fût (4) présente un bord externe (11) élastique dans le sens radial, en particulier un bord (11) circulaire en particulier de forme annulaire s'élargissant coniquement vers le haut et faisant saillie vers le haut au-dessus du plateau supérieur (6) et/ou en particulier
    - les ouvertures perforées (14) sont séparées les unes des autres par des arcades radiales d'une largeur maximale de 30 millimètres, en particulier de maximum 20 millimètres, en particulier de maximum 10 millimètres.
  3. Dispositif de vidage selon l'une des revendications précédentes, caractérisée en ce que
    - le nombre des ouvertures perforées (14) est supérieur à 100 en particulier supérieur à 500, en particulier supérieur à 1000, en particulier supérieur à 2000 et/ou en particulier
    - les ouvertures perforées (14) sont des ouvertures perforées allongées, s'étendant en particulier radialement, ou sont des ouvertures perforées (14) en particulier rondes en forme de points et en particulier toutes les ouvertures perforées (14) ont la même forme et/ou en particulier
    - la différence de hauteur entre le plateau supérieur (6) et le plateau perforé (7) est une distance libre (8') de moins de 30 millimètres, en particulier de moins de 20 millimètres en particulier de moins de 10 millimètres et/ou en particulier
    - entre le plateau supérieur (6) et le plateau perforé (7), il est prévu des arcades (15) verticales s'étendant en particulier radialement entre la paroi de pompe (139 et le bord externe (11), qui soutiennent et stabilisent le plateau supérieur (6) par rapport au plateau perforé (7).
  4. Dispositif de vidage selon l'une des revendications 2 ou 3, caractérisé en ce que
    - le plateau suiveur de fût (4) se compose de matière plastique et/ou en particulier
    - le plateau supérieur (6) présente par rapport au plateau perforé (7) une distance se modifiant dans le sens radial en particulier en augmentant de l'extérieur vers l'intérieur et au moins un raccordement de dépression (9) se trouve dans la zone de la plus grande distance (8') et/ou en particulier
    en ce que les arcades (15) s'étendent radialement et, en particulier dans la zone radiale de la plus grande distance entre le plateau supérieur (6) et le plateau perforé (7), ne viennent pas jusque contre le bord circulaire (11) respectivement contre la paroi de pompe (13) et/ou en particulier
    - la face inférieure (7a) du plateau perforé (7) augmente légèrement coniquement depuis le bord externe en direction de l'ouverture de pompe (12) qui est disposée en particulier au centre.
  5. Dispositif de vidage selon l'une des revendications précédentes, caractérisé en ce que
    - le plateau suiveur de fût (4) en particulier sa paroi de pompe (13) comprend un dispositif de connexion pour la connexion à la pompe (5) rigide longitudinalement dans une direction et/ou en particulier,
    - le dispositif de vidage (1) comprend un dispositif de levage (17) pour soulever et abaisser le dispositif de vidage (1) vis à vis d'un point fixe en particulier un cadre de support (18) et/ou en particulier
    - le dispositif de vidage (1) comprend un dispositif de levage (17') pour surélever la plateforme (19) sur laquelle se trouve le récipient par rapport à un cadre support (18) et/ou en particulier
    - le dispositif de vidage (1) comporte un carter fermé (23) avec une porte en particulier transparente (24) dans laquelle sont disposés le dispositif de levage (17, 17'), le plateau suiveur de fût (4) ainsi que la pompe (5) et éventuellement une commande (25).
  6. Dispositif de vidage selon l'une des revendications précédentes, caractérisé en ce que
    - le dispositif de levage (17, 17') comprend un dispositif de mesure de trajet respectivement un dispositif de mesure de position (26) et/ou en particulier
    - le plateau suiveur de fût (4) comprend un second raccordement de dépression (9') dans la paroi de pompe (13) et/ou en particulier
    - le second raccordement de dépression (9') est disposé au-dessus de la position de parcage (28) pour le piston de puisage (27) dans la paroi de pompe et/ou en particulier
    - les raccordements de dépression (9, 9') sont reliés entre eux.
  7. Dispositif de vidage selon l'une des revendications précédentes, caractérisé en ce qu'
    - un tuyau de visibilité transparent ou tuyau de vue (2) s'étend depuis chaque raccordement de dépression (9, 9') et/ou en particulier
    - un capteur de dépression (30) est en connexion avec le raccordement de dépression (9, 9') et en particulier est disposé dans l'espace3 intercalaire (8) et/ou en particulier
    - un capteur de force (31) est connecté au dispositif de levage (17, 17') et mesure la force avec laquelle le plateau suiveur de fût (4) presse contre la pâte (20) et/ou en particulier
    - un capteur de vitesse (32) est en relation avec la pompe (5) et détecte la vitesse de transport.
  8. Dispositif de vidage selon l'une des revendications précédentes, caractérisé en ce que
    - tous les capteurs sont reliés à la commande (25) et/ou en particulier
    - la commande (25) est en mesure d'adapter le volume transporté à la consommation de l'un ou de plusieurs postes de consommation raccordés en même temps et/ou en particulier
    - entre le dispositif de levage (17) et la pompe (5), il est prévu un accouplement amovible (33) et/ou en particulier
    - la conduite de prélèvement (34) traverse au-dessus donc en aval de la pompe (5) et ne contient en particulier aucune vanne de purge.
  9. Dispositif de vidage selon l'une des revendications précédentes, caractérisé en ce que
    - la plateforme (19) pour le récipient (2) comprend un centrage de récipient (36) en particulier sous forme de deux baguettes de butée arrière (36 a, b) formant un angle entre elles et/ou en particulier
    - le dispositif de vidage (1) comprend un capteur thermique (37) et/ou un capteur d'humidité (38) à l'intérieur du carter (23) et/ou en particulier
    - la commande (25) comprend une sortie de données et/ou une unité de stockage (39) pour les données des capteurs contenus dans le dispositif de vidage.
  10. Dispositif pour le vidage de pâtes dans des récipients en forme de fût (2) avec une section transversale interne (3) constante en hauteur dans le fait
    - qu'un plateau suiveur de fût (4) approprié est placé sur la surface (21) de la pâte (20)
    - que la pâte (20) est pompée à travers le plateau suiveur de fût (4) et
    - que le plateau suiveur de fût (4) de la surface (21) en affaissement est suivi,
    caractérisé en ce que
    - avant le pompage de la pâte (20) par une ouverture de pompe (12), une partie la plus grande possible et en particulier l'ensemble de la surface (21) de la pâte (20) est amenée en contact avec un plateau perforé (6) qui dispose d'un grand nombre d'ouvertures perforées (14),
    - en ce que la face du plateau perforé (6), détournée de la pâte (20) et rendue étanche vis-à-vis de l'ouverture de pompe (12) subit une dépression jusqu'à ce que la pâte est rejetée par le plus possible et en particulier toutes les ouvertures perforées (14).
  11. Procédé selon l'une des revendications précédentes,
    caractérisé en ce que
    - l'impact par la dépression s'effectue avant chaque pompage et est maintenu pendant le pompage et en particulier l'admission s'effectue en continue et/ou en particulier
    - après le vidage complet du récipient (2), le plateau suiveur de fût (4) est mis au rebut ensemble avec le récipient (2) et/ou en particulier
    - le plateau suiveur de fût (4) est introduit en supplément par force dans le sens d'avance (10) à l'intérieur du récipient (2) et/ou en particulier
    - un dispositif de déplacement transversal (40) est intégré dans au moins deux directions transversales par rapport au sens d'avance (10) soit sur la plateforme (19) soit sur le bras support pour le plateau suiveur de fût (4).
  12. Procédé selon l'une des revendications précédentes de procédé caractérisé en ce que
    - l'impact de la dépression est démarré simultanément à plusieurs endroits de la surface (21) et/ou en particulier
    - l'impact de la dépression est terminé quand une dépression prédéterminée est atteinte et/ou la pâte (20) devient visible respectivement dans les tuyaux de visibilité (29) qui se trouvent sur chaque raccordement de dépression (9, 9') et/ou en particulier
    - avant le début de l'aspiration la pompe (5) est amenée en contact avec la pâte (20) en traversant le plateau suiveur de fût (4) et/ou en particulier
    - la vitesse de la pompe (5) aspirant à travers le plateau suiveur de fût (4) est commandée en particulier en fonction du besoin de matériel sur l'un ou plusieurs postes consommateurs alimentés par la pompe (5).
  13. Procédé selon l'une des revendications de procédé précédentes, caractérisé en ce que
    - la force d'avance du plateau suiveur de fût (4) est commandée en direction du récipient (2) en particulier en fonction de la viscosité de la pâte (20) et/ou en fonction de la vitesse de transport de la pompe (5), en fonction de la positon du plateau suiveur de fût (4) dans le récipient (2), en fonction de la pression mesurée dans la pâte (20) se trouvant dans le récipient et/ou en fonction de la dépression mesurée dans les cavités et/ou en particulier
    - le mouvement relatif du plateau suiveur de fût (4) et/ou de la pompe (5) respectivement de son tube d'aspiration (Schnorchel) est surveillé et commandé dans sa position relative.
  14. Procédé selon l'une des revendications de procédé précédentes, caractérisé en ce que
    - avant le pompage, le récipient rempli (2) est ouvert et est placé dans un centrage de récipient (36),
    - le plateau suiveur de fût (4) placé sur la surface (21) est relié à une source de dépression jusque dans les tuyaux de visibilité (29) et/ou la pâte (20) se trouve sur l'extrémité inférieure de la paroi de pompe (13),
    - l'impact de dépression est terminé et
    - la pompe (5) ou un tuyau d'aspiration est placé de manière étanche sur l'ouverture de pompe (12) et le pompage est démarré.
  15. Procédé selon l'une des revendications de procédé précédentes, caractérisé en ce qu'
    - avant le pompage, le plateau suiveur de fût (4) subit l'impact en particulier manuellement de la pression dans le sens d'avance (10) et/ou en particulier
    - que pendant le vidage du récipient (2), la température, l'humidité de l'air sont mesurées à proximité de la pâte (20) en supplément de la force dans le sens d'avance (10) et de la pression respectivement de la dépression dans le récipient (2) et sont comparées à des valeurs de consigne prédéterminées et sont enregistrées et/ou en particulier
    - en cas de divergences trop importantes entre les valeurs de consigne et les valeurs réelles de ces capteurs, une alarme est déclenchée et un contrôle manuel est effectué par l'opérateur.
  16. Procédé selon l'une des revendications de procédé, caractérisé en ce que
    - dans le cas d'une utilisation d'une pompe de puisage à piston en tant que pompe (5), le piston de puisage (27) prend une position définie de parking à l'immobilisation de la pompe et un impact par le vide se produit en participer avant le premier pompage de la pompe également au-dessus donc en aval du piston de puisage (27), et/ou en particulier
    - la connexion entre la pompe (5) et respectivement le tube d'aspiration et le plateau suiveur de fût (4) est établie par positionnement d'une cloche de vide (22) sur au moins une partie du plateau suiveur de fût (4) en particulier sur son ouverture de pompe (12) et/ou sur ses raccords de vide (9, 9') et ensuite par évacuation du plateau suiveur de fût (4) par évacuation de la cloche de vide (22) et/ou en particulier
    - un centrage suivi du plateau suiveur de fût (4) s'effectue par sa forme conique par rapport au récipient (2) pendant le vidage.
EP06119157A 2005-08-19 2006-08-18 Appareil et méthode pour vider des conteneurs de substances visqueuses Active EP1754543B1 (fr)

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DE102005039359 2005-08-19
DE102005049805A DE102005049805B4 (de) 2005-08-19 2005-10-18 Entleervorrichtung

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EP1754543B1 true EP1754543B1 (fr) 2008-12-10

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EP (1) EP1754543B1 (fr)
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Also Published As

Publication number Publication date
EP1754543A3 (fr) 2007-06-20
DE502006002309D1 (de) 2009-01-22
US7762428B2 (en) 2010-07-27
DE102005049805A1 (de) 2007-02-22
ATE416851T1 (de) 2008-12-15
EP1754543A2 (fr) 2007-02-21
US20070039978A1 (en) 2007-02-22
DE102005049805B4 (de) 2007-06-14

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