EP3596001B1 - Dispositif d'évacuation d'un contenant avec un liquide pâteux - Google Patents

Dispositif d'évacuation d'un contenant avec un liquide pâteux Download PDF

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Publication number
EP3596001B1
EP3596001B1 EP18712541.4A EP18712541A EP3596001B1 EP 3596001 B1 EP3596001 B1 EP 3596001B1 EP 18712541 A EP18712541 A EP 18712541A EP 3596001 B1 EP3596001 B1 EP 3596001B1
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EP
European Patent Office
Prior art keywords
container
liquid
vacuum
collapse
follower plate
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Application number
EP18712541.4A
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German (de)
English (en)
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EP3596001A1 (fr
Inventor
Udo Tartler
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Individual
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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C9/00—Devices for emptying bottles, not otherwise provided for
    • 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
    • B67D7/02—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants
    • B67D7/0227—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants by an ejection plunger

Definitions

  • the feed pumps can be mounted on it.
  • These follower plates are assemblies with cylindrical rings or plates that seal into the barrel retract, namely sealing rings seal the assembly to the barrel wall. They are inserted into the drum (after removing the actual drum cover) and are provided with sealing rings, which completely seal the drum follower plate to the drum wall. In this way, they form a hermetically sealed, rigid cover over the liquid and, together with the barrel container, completely and tightly enclose the liquid.
  • the drum follower plates are then actively (guided and driven) pressed onto the material. In well-known processes, they slide down when material is removed by their own weight or by negative pressure.
  • the containers used in this context are usually barrels, the interior of which has a cylindrical, in particular circular-cylindrical inner contour (possibly with stiffening longitudinal or circumferential beads), the inner contour usually opening without tapering into an outer opening of the interior, namely into the barrel opening to the outside.
  • a partition plate is known from porous material for the removal of highly viscous media mostly cylindrical, barrel-like containers with bottom and wall by means of a barrel follower plate and a feed pump.
  • the air is sucked off by means of a vacuum pump via an air-permeable, material-impermeable partition plate, while the underside of the follower plate is protected from contamination at the same time.
  • the present invention is based on the object of creating a device which is designed to prevent the container from collapsing when air is sucked into containers with, in particular, highly viscous liquid, in particular to eliminate or avoid air inclusions.
  • the device according to the invention is used to evacuate a container that contains a liquid, in particular pasty, in particular firstly during the filling of the container with the liquid (to remove bubbles or air inclusions in it) and / or secondly before the (in particular highly precise) dosing of the liquid in a subsequent mixing process (to remove air above the liquid surface in the space between a drum follower plate before removal for dosing).
  • the device according to the invention is equipped with a lid assembly (or a so-called barrel follower plate - which can also be understood in the broadest sense as a lid assembly in the sense of the invention), which is adapted to close an opening of a container vacuum-tight, and which has a connection device that are on the outside of the Lid assembly is arranged and which is adapted to connect an evacuation pump.
  • a lid assembly or a so-called barrel follower plate - which can also be understood in the broadest sense as a lid assembly in the sense of the invention
  • a connection device that are on the outside of the Lid assembly is arranged and which is adapted to connect an evacuation pump.
  • a cylindrical container or barrel can be filled, the supplied liquid being hermetically sealed by a vacuum-tight cover assembly which specializes in this filling, for example, and which hermetically seals the barrel on the top (and above the surface of the liquid in the barrel) Example, by resting on it), is filled in such a way that the liquid must flow through the vacuum space (above the surface of the liquid in the barrel). Should air be conveyed with the supplied liquid, the air is immediately sucked off via the vacuum, and thus a filled one is created Barrel that can no longer contain any (or at least significantly less) air inclusions in the material.
  • This filling according to the invention can also take place through a drum follower plate, which then, so to speak, forms the vacuum-tight cover assembly just described and is equipped with a corresponding liquid feed.
  • the drum follower plate is then controlled under continued vacuum and slowly lowered in order to finally touch the surface of the liquid.
  • the liquid feed pump (which is located on the follower plate, for example) is now activated (by means of pneumatic or hydraulic cylinders or by means of electrical units) by pressing the follower plate onto the material.
  • Filled Material is pressed into the feed pump - and this takes place without air inclusions, because the space above the liquid (through which the follower plate is lowered through) is evacuated before and then during lowering and consequently no air is pressed into the feed pump.
  • the device according to the invention is only used for changing drums under vacuum, for example in a mixing device in which mostly two liquids (certainly also a low-viscosity liquid, for example through a pressure vessel) are mixed with one another in a metered manner. If a barrel needs to be replaced in such a device because it no longer contains enough liquid, the venting of the volume area above the liquid can also take place according to the invention in this situation for the reasons mentioned:
  • the follower plate can be controlled under full vacuum and slowly onto the material surface be lowered in order to avoid interference from air between the liquid surface and the drum follower plate in the subsequent dispensing / removal process and to press liquid into the feed pump without air inclusions.
  • the device is also equipped according to the invention with a collapse avoidance device, which is set up to suck areas of the outer sides of the container that are threatened with collapse outwards - so to speak, to generate a counter-negative pressure against the negative pressure in the container.
  • the collapse avoidance device is adapted to surround at least one area of the outer sides of the walls of the container with a seal running around the area.
  • the collapse avoidance device thus adjoins the wall outside in a vacuum-tight manner and, together with the wall outside, forms a negative pressure-tight collapse avoidance chamber which has a connection device which is set up to connect an evacuation pump.
  • the collapse avoidance chamber formed in this way can itself be placed under vacuum, so that during this evacuation of the collapse avoidance chamber the negative pressure therein also becomes effective on the outer wall of the container.
  • the negative pressure in the collapse avoidance chamber sucks the outside of the container wall outwards and can bring about an equilibrium of forces between the outside of the container wall and its inside (where the negative pressure acts to suck out the air or air pockets) - and thus prevent the container from collapsing.
  • the collapse avoidance device is adapted in particular to the walls of a circular cylindrical container, in particular a cylindrical sheet steel lidded barrel or cylindrical plastic container, specifically preferably to areas of the outer sides of walls of the cylinder jacket surface and / or the bottom of the container.
  • the collapse avoidance device is preferably set up to stand on a level floor. It preferably has an overall vacuum-tight side wall assembly, at least the inside of which has the shape of a circular cylinder jacket surface, as well as an overall vacuum-tight bottom wall assembly.
  • the cylinder axis is preferably oriented vertically when the collapse avoidance device is placed on the floor.
  • the side wall assembly preferably has an inner diameter which is at least as large as the diameter of the circular cylindrical container to which the device is adapted, and a height which is approximately as large as the height of the circular cylindrical container to which the device is adapted .
  • the vacuum-tight base wall assembly connects, for example, completely vacuum-tight to the lower edge of the side wall assembly, and the upper edge of the side wall assembly has a circumferential seal which is adapted, vacuum-tight to the wall outside of the upper edge area of a standing in the collapse prevention device to connect circular cylindrical container.
  • the collapse avoidance device can cover the entire surface of the container standing therein on the outside and allow negative pressure to take effect on the entire cylinder jacket surface and the bottom surface of its outer sides. Only the upper end face of the circular cylindrical container, which is usually designed as a drum cover, remains free from the device and thus accessible.
  • the side wall assembly has a door, in particular one, two or more-winged, which, when opened, releases an opening that extends over the entire height of the side wall assembly and whose width is greater is than the diameter of the circular cylindrical container to which the device is adapted.
  • the bottom wall assembly has heavy-duty rollers or ball rollers on the inside.
  • the interior of the container to which the device is adapted has a cylindrical inner contour
  • the cover assembly has a follower plate with a seal that is mounted on a
  • the circumference of the follower plate is arranged and adapted to be inserted circumferentially sealingly into the cylindrical inner contour of the container and that the follower plate is adapted to be guided by a guide translationally vertically downwards in the direction of the cylinder axis of the container oriented in this way so that the follower plate can be lowered in the direction of the cylinder axis down to a liquid level (the liquid in the container).
  • the device as a whole is adapted to a container for the liquid, which is a smooth-walled sheet steel lidded drum with a clamping ring closure or a cylindrical plastic container.
  • the device 2 shown serves to evacuate a circular cylindrical container 4 (shown in the form of a cylindrical sheet steel lidded barrel 4) which contains a pasty liquid 6, in particular firstly during the filling of the container with the liquid (to avoid bubbles or air inclusions therein; Figures 1 and 2 ) and secondly to remove air above the liquid surface 6 in the space 8 to a drum follower plate 10 when it is lowered onto the liquid surface 6 ( Figures 1 and 2 ).
  • the device 2 is equipped with a drum follower plate 10 for this purpose ( Figures 2 to 4 ; or with one just on filling specialized lid assembly according to Figure 1 ), which is adapted to close a top opening 12 of the container 4 in a vacuum-tight manner.
  • connection device 14 which is arranged on the outside of the drum follower plate 10 and which is set up for the connection of a vacuum pump 16.
  • a vacuum pump 16 By means of this vacuum pump 16, the interior of the container 4 (and also the liquid 6 in the container 4) can be placed under vacuum.
  • a cylindrical container 4 can be filled, with the supplied liquid (indicated schematically by the arrows 18) passing through the vacuum-tight cover assembly 10 (either according to a cover assembly specialized only in filling Figure 1 or a drum follower plate specializing in filling Figure 2 , which hermetically seals the barrel 4 at the top (and above the surface 6 of the liquid 6 in the barrel), is filled in such a way that the liquid 18 must flow through the vacuum space 8 (above the surface 6 of the liquid in the barrel). Should air be conveyed with the supplied liquid 18, the air is immediately sucked off via the vacuum (generated by the vacuum pump 16), and thus a filled barrel is created which cannot contain any (or at least significantly smaller) air inclusions in the material 6.
  • the drum follower plate 10 can then be controlled and slowly lowered after filling under continued vacuum, in order to finally touch the liquid surface 6 with its underside. This is also further described below ( Figures 3 and 4 ).
  • Figures 3 and 4 the device 2 for changing the drum under vacuum (generated by the vacuum pump 16) is used in a mixing device (not shown). If one of the barrels 4 in such a mixing device has to be replaced, for example because it no longer contains sufficient liquid, the venting of the volume area of the respective replaced, filled barrel 4 above the liquid 6 contained therein can be achieved by means of the device 2.
  • the follower plate 10 can be controlled (with the vacuum generated by the vacuum pump 16) and slowly lowered onto the material surface 6 in order, for example, to avoid any interference from air between the liquid surface 6 and the drum follower plate 10 in the following metering and removal process: pneumatic or hydraulic cylinders or by means of electrical units; not shown) the liquid feed pump 20 is filled by pressing the follower plate 10 onto the material 6: material is pressed into the feed pump 20 - and this takes place without air inclusions, because already before and then during the lowering ( Figure 3 ) the space 8 above the liquid 6 (through which the follower plate 10 is lowered) is evacuated by the vacuum pump 16 and consequently no air is pressed into the feed pump.
  • the device 2 is also equipped with a collapse avoidance device 22, which is set up to suck the outer sides of the collapsing walls of the container 4 outwards - so to speak, to generate a counter-negative pressure against the negative pressure in the container 4.
  • the collapse avoidance device 22 is adapted to surround the outside of almost all the walls of the container 4 with a seal 24 running around the outside.
  • the seal 24 of the collapse avoidance device 22 is set up, To connect vacuum-tight to the wall outer side 26 and together with the wall outer side forms a vacuum-tight collapse avoidance chamber 28 which has a connection device which is set up for the connection of an evacuation pump 29.
  • the collapse avoidance chamber 28 formed in this way (which surrounds the entire base 30 and the entire cylinder jacket surface to just below the upper edge 32 of the barrel 4) can itself be placed under vacuum, so that the collapse avoidance chamber is also under vacuum during this evacuation on the outside of the wall of the container 4.
  • the negative pressure in the collapse avoidance chamber 28 sucks the outside of the container wall 4 outwards and can bring about an equilibrium of forces between the outside of the container wall 4 and its inside (where the negative pressure for sucking out the air or air pockets is present) - and thus prevent the container 4 from collapsing .
  • the collapse avoidance device 22 is set up to stand on a level floor 33. It has an overall vacuum-tight side wall assembly 34, the inner side 36 of which has a total of approximately the contour of a circular cylinder jacket surface, as well as an overall vacuum-tight bottom wall assembly 38. As in FIG Figures 5 and 6 shown placed on the floor 40, the cylinder axis 42 is oriented vertically.
  • the side wall assembly 34 has an inner diameter which is slightly larger than the diameter of the container 4 to which the device is adapted, and a height which is slightly less than the height of the container 4. Thus, when mounted, the side wall assembly 34 reaches just below the upper edge 32 of the barrel 4 ( Figure 6 ).
  • the wall assemblies 34, 38 which together form a vacuum-tight wall, adjoin the vacuum-tight just below the upper edge 32 of the container 4 by means of the seal 24 on the wall outer side 26 of the container 4: the upper edge of the side wall assembly 34 has a circumferential seal 24 , which is adapted to be connected in a vacuum-tight manner to the wall outer side 26 of the upper edge region of the circular cylindrical container 4 standing in the collapse avoidance device 22.
  • the collapse avoidance device 22 can cover the entire surface of the container 4 standing therein on the outside and allow negative pressure to take effect on the entire cylinder jacket surface and the bottom surface of its outer sides. Only the upper end face of the circular cylindrical container 4, which is designed as a barrel opening 12, remains free from the device 22 and thus accessible.
  • the side wall assembly 34 has a double-leaf door 44 which, when opened, reveals an opening ( Figures 7 and 8 ), which extends over the entire height of the side wall assembly 34 and whose width is greater than the diameter of the circular cylindrical container 4 to which the device 2, 22 is adapted. Closed ( Figures 5 and 6 ) all the joints of the door 44 are sealed by seals 45 so that overall a hermetically sealed, cup-shaped trough with a circular cylindrical inner contour as a collapse avoidance device 22 results. Only its upper edge is adapted to be connected to the wall outside of the container 4 in a vacuum-tight manner by means of the circumferential seal 24 just below the upper edge 32 of the container 4.
  • the base wall assembly has heavy-duty ball rollers 46 on the inside.
  • the container 4 is placed on a centering plate 48 before being pushed in, onto which it fits with its lower flanged edge in a form-fitting manner.
  • the follower plate has a seal 52 which is arranged on a circumference of the follower plate 10 and adapted to the cylindrical inner contour of the container 4 to be used circumferentially in a sealing manner.
  • the follower plate is adapted to be guided translationally vertically downwards by a guide 54 in the direction of the cylinder axis 42 of the container 4 oriented in this way so that the follower plate 10 can be lowered in the direction of the cylinder axis down onto the liquid level 6 in the container .

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Vacuum Packaging (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Jet Pumps And Other Pumps (AREA)

Claims (8)

  1. Dispositif (2),
    pour l'évacuation d'un récipient (4) qui contient un liquide (6),
    - premièrement, pour éviter des poches d'air ou des bulles dans le liquide (6) pendant le remplissage du récipient (4) avec le liquide et/ou
    - deuxièmement, pour éliminer l'air entre la surface matérielle du liquide (6) se trouvant dans le récipient (4) et une plaque suiveuse de fût (10) jusqu'à ce qu'il soit placé sur la surface de liquide lors de l'introduction de la plaque suiveuse de fût dans le récipient avant le retrait du liquide,
    avec un ensemble de couvercle (10) pour le remplissage du récipient (4) ou une plaque suiveuse de fût (10), qui est adaptée pour fermer une ouverture (12) d'un récipient (4) de manière étanche au vide, et qui présente un dispositif de raccordement (14) qui est disposé sur le côté extérieur de l'ensemble de couvercle et qui est configuré pour raccorder une pompe à vide (16) pour l'espace intérieur du récipient (4),
    caractérisé par un système anti-effondrement (22) qui, avec un joint (24), est adapté pour entourer au moins une zone en forme d'enveloppe cylindrique des côtés extérieurs des parois du récipient (4), avec le joint (24) entourant cette zone, et pour être raccordé de manière étanche au vide au côté extérieur de la paroi et, conjointement avec le côté extérieur de la paroi, pour former une chambre anti-effondrement étanche au vide (28), qui présente un dispositif de raccordement qui est configuré pour raccorder une pompe d'évacuation (29) pour la chambre anti-effondrement (28) de sorte que, lors de l'évacuation de la chambre anti-effondrement (28), le vide qui y règne agit sur le côté extérieur de la paroi (26).
  2. Dispositif selon la revendication précédente, caractérisé en ce que le système anti-effondrement (22) est adapté à des zones des côtés extérieurs des parois d'un récipient cylindrique circulaire (4), en particulier d'un fût à couvercle en tôle d'acier ou d'un conteneur en plastique.
  3. Dispositif selon la revendication précédente avec un récipient cylindrique circulaire en tôle ou en plastique, auquel le dispositif est adapté, caractérisé en ce que le système anti-effondrement (22) est adapté à des zones des côtés extérieurs des parois de la surface d'enveloppe cylindrique et/ou du fond du récipient (4).
  4. Dispositif selon l'une quelconque des deux revendications précédentes avec un récipient cylindrique circulaire en tôle ou en plastique auquel le dispositif est adapté, caractérisé en ce que le système anti-effondrement (22) est configuré pour reposer sur un fond plat (30) et présente un ensemble de paroi latérale (34) généralement étanche au vide de la chambre anti-effondrement (28), dont au moins le côté intérieur (36) a la forme d'une surface d'enveloppe cylindrique circulaire
    - avec un axe de cylindre (42) orienté verticalement et
    - avec un diamètre intérieur qui est au moins aussi grand que le diamètre du récipient cylindrique circulaire (4) auquel le dispositif (2) est adapté, et
    - avec une hauteur qui est environ aussi grande que la hauteur du récipient cylindrique circulaire (4) auquel le dispositif (2) est adapté,
    ainsi qu'un ensemble de paroi de fond étanche au vide (38) qui se raccorde de manière totalement étanche au vide au bord inférieur de l'ensemble de paroi latérale (34), et en ce que le bord supérieur de l'ensemble de paroi latérale présente un joint circonférentiel (24) qui est adapté pour se raccorder de manière étanche au vide au côté extérieur de la paroi (26) de la zone de bord supérieure d'un récipient (4) se trouvant dans le système anti-effondrement (22).
  5. Dispositif selon la revendication précédente, caractérisé en ce que l'ensemble de paroi latérale (34) présente une porte (44), en particulier une porte à un, deux ou plusieurs battants, qui lorsqu'elle est ouverte libère une ouverture qui s'étend sur toute la hauteur de l'ensemble de paroi latérale (34) et dont la largeur est plus grande que le diamètre du récipient (4) auquel le dispositif est adapté.
  6. Dispositif selon l'une quelconque des deux revendications précédentes, caractérisé en ce que l'ensemble de paroi de fond (38) présente des roulettes à charge lourde ou des roulettes sphériques (46) à l'intérieur.
  7. Dispositif selon l'une quelconque des revendications précédentes avec un récipient cylindrique circulaire en tôle ou en plastique auquel le dispositif est adapté, caractérisé en ce que l'espace intérieur du récipient (4) auquel le dispositif (4) est adapté présente un contour intérieur cylindrique, et en ce que l'ensemble de couvercle (10) présente une plaque suiveuse avec un joint qui est disposé sur une circonférence de la plaque suiveuse et adapté pour pouvoir être introduit de manière étanche dans le contour intérieur cylindrique du récipient (4), et en ce que la plaque suiveuse est adaptée pour être guidée de manière mobile par un guide (54) verticalement vers le bas en translation en direction de l'axe du cylindre (42) du récipient (4) ainsi orienté de sorte que la plaque suiveuse peut être abaissée vers le bas en direction de l'axe de cylindre sur un niveau de liquide du liquide (6) dans le récipient (4).
  8. Dispositif selon l'une quelconque des revendications précédentes avec un récipient cylindrique circulaire en tôle ou en plastique auquel le dispositif est adapté, caractérisé en ce que le récipient (4) est un fût à couvercle en tôle d'acier à paroi lisse avec bouchon à bague de serrage (4) ou un conteneur cylindrique en plastique.
EP18712541.4A 2017-03-15 2018-03-15 Dispositif d'évacuation d'un contenant avec un liquide pâteux Active EP3596001B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017105533.9A DE102017105533A1 (de) 2017-03-15 2017-03-15 Vorrichtung zum Evakuieren eines Behälters mit pastöser Flüssigkeit
PCT/EP2018/056518 WO2018167205A1 (fr) 2017-03-15 2018-03-15 Dispositif destiné à faire le vide dans un récipient contenant un liquide pâteux

Publications (2)

Publication Number Publication Date
EP3596001A1 EP3596001A1 (fr) 2020-01-22
EP3596001B1 true EP3596001B1 (fr) 2021-06-02

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EP18712541.4A Active EP3596001B1 (fr) 2017-03-15 2018-03-15 Dispositif d'évacuation d'un contenant avec un liquide pâteux

Country Status (6)

Country Link
US (1) US11192774B2 (fr)
EP (1) EP3596001B1 (fr)
CN (1) CN110431103B (fr)
DE (1) DE102017105533A1 (fr)
DK (1) DK3596001T3 (fr)
WO (1) WO2018167205A1 (fr)

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CN109641735B (zh) 2016-09-05 2021-04-30 阿特拉斯柯普科工业技术(德国)有限公司 具有跟随板的可调节的密封环的桶式泵
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WO2022164945A1 (fr) * 2021-01-27 2022-08-04 Nordson Corporation Appareil de positionnement de récipient
KR102304604B1 (ko) * 2021-03-25 2021-09-24 (주)에이원텍 액체 원료 이송 및 공급장치

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CN110431103A (zh) 2019-11-08
US11192774B2 (en) 2021-12-07
DK3596001T3 (da) 2021-06-28
DE102017105533A1 (de) 2018-09-20
CN110431103B (zh) 2022-05-24
EP3596001A1 (fr) 2020-01-22
WO2018167205A1 (fr) 2018-09-20
US20200017353A1 (en) 2020-01-16

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