EP2019209B1 - Dispositif et procédé de transport de matières - Google Patents

Dispositif et procédé de transport de matières Download PDF

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Publication number
EP2019209B1
EP2019209B1 EP08018633A EP08018633A EP2019209B1 EP 2019209 B1 EP2019209 B1 EP 2019209B1 EP 08018633 A EP08018633 A EP 08018633A EP 08018633 A EP08018633 A EP 08018633A EP 2019209 B1 EP2019209 B1 EP 2019209B1
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EP
European Patent Office
Prior art keywords
pump chamber
apex
chamber
frame
filter
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EP08018633A
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German (de)
English (en)
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EP2019209A1 (fr
Inventor
Frédéric jun. DIETRICH
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Fydec Holding SA
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Fydec Holding SA
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Publication of EP2019209A1 publication Critical patent/EP2019209A1/fr
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F1/00—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped
    • F04F1/02—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped using both positively and negatively pressurised fluid medium, e.g. alternating

Definitions

  • the invention relates to a device for conveying flowable substances according to the preamble of claim 1 and a method thereof.
  • a device for the pneumatic conveying of powdered substances is to be taken with a container connected to a supply line and a discharge for the conveyed, which is separated by at least one plate-like filter element from a space connected to a vacuum line; the width of the filter element corresponds at most to the diameter of the container.
  • a substance of specific gravity of 0.1 to 15.0 g / cm 3 and with a particle size range between 0.1 to 300 .mu.m as conveyed is the ratio of the length of a pumping chamber forming container for temporarily receiving the conveyed to its inner Diameter between 0.5 and 10.0 and the plate-like filter element is provided between a vacuum line of a vacuum pump for sucking the conveyed material and the pumping chamber.
  • a conveying gas line to a conveying gas source both in the vacuum line and in the conveying gas line an automatic locking member is arranged in each case.
  • a conveyor device for plastic granules with a hose line protrudes, which dives at one end by means of a lance in a storage silo and the other protrudes through a filter support into a pipe socket which sits on the box-like inlet of a tangential intake opening of a plasticizing.
  • a suction chamber about the filter support a likewise penetrated by the hose line cover assembly is provided with a suction chamber. The latter has suction openings directed towards the pipe socket and is in operative connection with a nozzle system to which compressed air or compressed gas can be supplied as working medium.
  • the US 5265653 A shows a device for conveying substances according to the preamble of claim 1.
  • Such conveying devices are tailored to a specific product, that is to say to the conveying of powders or the conveying of liquid.
  • some diaphragm pumps can deliver powder and liquids, efficient powder handling is only possible to a limited extent, and only if the substance is specially adapted to the process.
  • suspensions are difficult in that the powder in a suspension tends to deposit in the tubes or shutters, resulting in blockage of the delivery system.
  • the inventor has set the goal to provide a device and a method of the type mentioned, which not only allow the delivery of products as different as liquids, powders and even suspensions or pastes with the same equipment, but also their volumetric dosage.
  • the inventive device comprises in a vertically elongated cylindrical pump chamber for conveying liquids, powders, suspensions and pastes in the upper region thereof means for separating liquid and powder with a filter element and a floating body disposed above as a sealing element, wherein the pump chamber in their at least one feed line and at least one extraction line for liquid and / or powder and / or suspension or paste are connected to the lower region and wherein at the outlet end of the pump chamber an outlet pipe inclined to its longitudinal axis (A) is arranged, into which the extraction line passes. Preference is given to several supply lines for several products.
  • the filter element which is preferably designed as a filter plate and intersects the longitudinal axis of the device, is arranged between the latter and the pump chamber; the filter element remote end of the device according to the invention is associated with the conveying gas line and the vacuum line.
  • a T-shaped connecting pipe with two connecting sections each containing a shut-off valve for the conveying gas line and the vacuum line should protrude from a top wall of the device.
  • the pump chamber should be connected to at least one inlet valve and to an outlet valve for the substance.
  • the device is designed as an axial ridge chamber of the pump chamber of the device and provided axially movable in this and is thereby sealingly surrounded by at least one annular seal of the pump chamber.
  • This ring seal is according to the invention arranged in the cylindrical pump chamber itself or it extends in an annular end collar whose diameter is shorter than the diameter of the pump chamber.
  • a ring section widening in a funnel-like manner should be formed between the end collar and the pump chamber, of which preferably a frame for axially guiding the movable ridge chamber projects.
  • the filter element which is preferably designed as a filter plate
  • the filter element is assigned to a base section of the ridge chamber of the device which is axially movable in the pump chamber.
  • the filter plate is defined according to the invention on the perforated base portion of the ridge chamber and projects beyond this side;
  • the - advantageously arranged in a holder - filter plate should be surrounded at its edge by at least one sealing bead, on the other hand, the inner surface of the pump chamber rests.
  • the device At the outlet end of the pump chamber, the device according to the invention has an outlet tube inclined to its longitudinal axis, which preferably adjoins an axial connecting tube of the base region of the pump chamber.
  • at least one vibrator should be mounted on the outlet pipe.
  • This inclined outlet pipe opens into a - preferably axially parallel to the pump chamber - delivery pipe;
  • a closure element is associated with the mouth region and at least one outlet valve is assigned to the free end of the conveying tube.
  • the closure element actuates a closing plate which, in the closed position, covers the mouth of the outlet tube. This closing plate is designed so that its position can be selected; by partially closing or opening after this choice, an exact dosage of the product can be adjusted.
  • a pump chamber with a flat filter is attached tangentially to a dosing unit with venting possibility and the lateral pump body connected to the vacuum and pressure source; it contains a tangential entry with shut-off unit.
  • a vibration device is attached laterally at the rejuvenation of the pump chamber.
  • a sliding disc is provided, which can be opened completely or only up to a selectable gap size to allow dosing.
  • the metering body is connected via a valve to a pressure source, and at the lower end of the metering a shut-off unit is provided. On the other side is an open valve to the atmosphere; So it is possible to vent.
  • the pump body can now be filled according to the known principle / cycle with product and the sliding disc can be opened completely or only partially to dose or to drain product.
  • the vibration unit can be activated. If the shut-off unit is opened, the product passes into the underlying container, a reactor, dryer o.ä. can be.
  • the filter of the pump body can be cleaned by a pressure pulse, this possibility also exists with the dosing. If the contents of the pump body are emptied into the metering body, the displaced air volume escapes via the valve open to the atmosphere.
  • the device is defined as a ridge frame in the head region of the pump chamber and at a distance from the filter element.
  • This cage-like ridge frame consists of iw axis-parallel rods, which are optionally deformed at a distance from their free end in each case so that above a lower base portion extends an upper frame portion; its diameter is shorter than the diameter of the lower frame section.
  • the filter element is to be stored as a filter plate in a frame and this fixed in the pump chamber between two container sections.
  • the ridge frame is fixed firstward in a roof ring and provided at its lower end with an approximately parallel to the filter plate extending perforated plate or grid, a sieve or a filter. The latter is also in distance to the filter plate.
  • the floating member is advantageously associated with a sealing ring in the ridge chamber or ridge frame; the open ring center can be closed by the axial approach of the floating organ or its ball end by its axial approach; Sealing ring and floating body form a valve of two bodies associated with each other, and the open center of the sealing ring can be covered by a ball end of the float, so the valve closed.
  • the floating member has at least one ball end with the cross section of the ridge chamber corresponding diameter.
  • the floating member on two ball ends which are connected by an axial rod as a tubular part - acting as a dumbbell.
  • the lower ball end is with a diameter of 10 to 100 mm, preferably 20 to 80 mm equipped.
  • the total length of the ridge chamber according to the invention consists of about two thirds of its lower portion and about one third of the upper Section together; the length of the pump chamber should preferably be between 10 and 1000 mm, preferably 50 and 800 mm or 60 and 100 mm with a diameter of 5 to 500 mm, preferably of 200 mm.
  • the chamber according to the invention can be made of different materials for conveying aggressive or sensitive products such as stainless steel, Hastelloy, plastic, glass, enamel, and this with coating.
  • the system according to the invention consists of a calibrated cylindrical chamber with a lateral access provided with a butterfly valve; another closure valve is attached to the bottom outlet side of the apparatus.
  • a system for separating liquid and powder - a float with a filter - installed At the upper part of the apparatus is a system for separating liquid and powder - a float with a filter - installed.
  • This system can be fixed or mobile.
  • a lid closes the whole thing. It is connected to a pressure and a vacuum source, each equipped with shut-off valves.
  • the lid includes an O-ring at the top, which the float applies to close the system when aspirating fluid.
  • the system according to the invention works - controlled by a control box - automatically.
  • the vacuum-side shut-off valve and the inlet valve are opened; with the help of the negative pressure, the liquid is sucked through the inlet pipe connected to the pump chamber.
  • the liquid level rises until the float is lifted and abuts the sealing ring in the filter chamber to break the connection to the vacuum source; by the negative pressure, the tightness of the mating on the sealing ring and float is guaranteed.
  • the inlet valve and the vacuum valve are closed and the pressure valve and the exhaust valve opened. Then the pump chamber is emptied by the liquid is pressed out by pressure. After a few seconds, the pressure and discharge valves close again and the cycle can begin again.
  • the vacuum-side shut-off valve and the inlet valve are opened and sucked by means of the negative pressure, the powder through the connected to the pump chamber line system or inlet pipe.
  • the pump chamber fills with powder.
  • the filter in its upper area prevents fine particles from entering the vacuum system.
  • the float remains in its low position as the velocity of the conveying gas is insufficient to raise it.
  • the pump chamber is emptied by the pressure which simultaneously cleans the filter in countercurrent, and after a few seconds the pressure and discharge valves are closed again. The cycle can start again.
  • a suspension If a suspension is to be conveyed, the latter is sucked in under reduced pressure through the pipe system or inlet pipe connected to the pump chamber, and by means of the filter in the upper part of the pump chamber the particles of the suspension are separated from the liquid and fouling of the float is prevented.
  • the liquid level rises until the float is lifted and closes the open annulus of the sealing ring to break the connection to the vacuum source.
  • the inlet valve and the vacuum valve are closed and the pressure valve and the outlet valve open.
  • the pump chamber is emptied by the powder is pressed out by pressure, which simultaneously cleans the filter in countercurrent. After a few seconds will be Pressure valve and outlet valve closed again; the cycle can start again.
  • This system is also intended to be used for the volumetric dosing of these different products; because the inventive system for separating liquid and powder can be moved in the interior of the pump chamber, so as to change the volume.
  • the volume change allows the volumetric dosing.
  • the device between the conveying of two different powders can be cleaned by the passage of liquid, but especially by suction of cleaning liquid.
  • a method for the pneumatic conveying of flowable substances using the device according to the invention with both particulate matter and liquid or suspension or pastes are transferred simultaneously from one container to another or a mixture of liquid and particulate substances which is preferably from 0.01 to 99.99% liquid and 99% to 0.01% particulate, or from 5.0% to 95.0% liquid and 95.0% to 5.0% particulate matter.
  • the cleaning can be done by operating the device in an empty state.
  • the use of the subject invention is both in the pharmaceutical industry possible as well as in the chemical industry, paint and Lackesorb and in the food industry.
  • a conveying device 30 connected to the latter by a vertical connecting pipe 12.
  • a blocking element 16 is provided on a collar 14, above which the funnel-shaped base region 32 of a cylindrical pump chamber 34 of the conveying device 30 can be seen.
  • From this goes - with the interposition of an inlet valve 18 - an inlet pipe or a supply line 20 from.
  • This is connected to the conveyor 30 remote end to branch lines 22, 22 f , 22 s , each of which a storage container 24 for Powder or a storage container 26 are assigned for liquids or a storage container 28 for a suspension.
  • branch lines 22, 22 f , 22 s each of which a storage container 24 for Powder or a storage container 26 are assigned for liquids or a storage container 28 for a suspension.
  • one of those flowable substances flows in the direction of flow x of the conveying device 30.
  • the resting on a frame 23 powder container 24 is here equipped with a funnel-shaped outlet socket 25, the other two storage containers 26, 28 are designed like a barrel.
  • a perforated base portion 40 of the ridge chamber 38 is indicated, at its free mouth edge a transverse to the device longitudinal axis
  • a arranged filter element 44 (filter or a filter plate) connects.
  • the latter is surrounded by a sealing bead 46, which, like that annular seal 47, conforms outwardly to the inner surface 33 of the pumping chamber 34 even during a vertical movement of the ridge chamber 38.
  • a sealing ring 48 which bears against its inside surface 33, can be seen, whose open ring center 49 is assigned a vertically or axially guided floating member 50.
  • the cross section of its - connected by a rod 51 - ball ends 52 is greater than the inside diameter of the open ring center 49 of that Abdichtringes 48, so that accordingly Fig. 2 - Is able to be sealed by a ball end 52.
  • Fig. 3 is the open state of the sealing ring 48 outlined; which forms a kind of valve with the floating member 50.
  • the left-hand line 55 of the connecting pipe 54 is assigned as conveying gas line a compressed air or gas source 58 of more than 0.3 bar and serving as a vacuum line right line 56, a vacuum pump 60, for example, a negative pressure of ⁇ 500 mbar.
  • the cylindrical pump chamber 34 of the conveyor 30 a of Fig. 2 goes up into a ring portion 37 of length a 1 with inwardly inclined wall surface, to which a cylindrical end collar 37 e of narrow diameter e 1 followed .
  • the annular seal 47 sits for the ridge chamber 38 a within this end collar 37 e .
  • the ridge chamber 38 a is here surrounded by a frame 62, the base feet 64 sit on the inclined outer surface of that ring portion 37.
  • the base feet 64 protrude guide sections 65 and achsparallele rods 66 with radial struts 68, which carry the axially movable ridge chamber 38 a ; thanks to a - not shown - pneumatic drive, the latter can be adjusted in height in the frame 62.
  • the filter plate 44 stored here in a mechanical support 42 which is encompassed by the above-described sealing bead 46.
  • the base region 32 forms a tip 31, to which a removal line 21 with integrated outlet valve 19 connects.
  • the inventive system for separating liquid and powder thus has a - in a guide aid movable up and down - floating organ or a float 50 with associated filter element 44 in the upper region of the conveyor 30, 30 a , closed by a cover 36 is.
  • This is connected to at least one pressure source 58 and at least one vacuum source 60.
  • a sealing ring 48 is provided below the lid 36 and in the upper region of the ridge chamber 38, 38 a , which the float 50 applies to close the system when sucking liquid in the flow direction x.
  • the automatic system is controlled by a control box and works in the following way:
  • This system is also to be used for the volumetric dosing of these different products; because the system according to the invention for the separation of liquid and powder is displaced in the interior 35 of the pump chamber 34, the volume of which changes.
  • the sealing bead 46 and the annular seal 47 of the separation system allow its displacement while sealing the pump chamber 34 out, the volume change allows the volumetric dosing.
  • the system according to the invention or its organs can be movable or fixed.
  • the latter is an example Fig. 5, 6 Reference is made; in a can-like device 80 of the Fig. 5 stores a filter plate 44 a in one - outside of a cylinder wall 82nd the device 80 this surrounding - ring-like frame 84 which is held by two frame plates 86, 86 t . These collar from the side and can be so by laying on a not shown - abutment example, by means of screw holes 87 enforcing screws - set.
  • a cylindrical container portion 88 On the upper frame plate 86 rests a cylindrical container portion 88, which is closed by a dome cover 90 with a central opening 91 of the diameter d 1 surrounding - Firstkragen 92.
  • the latter is seated a roof ring 94 with outwardly inclined edge surface 95, which in turn contains a central opening 96 of small diameter d 2 , in which a Abdichtring 48 can be seen and above this a Zu Concretestutzen 98 with that opening 96 invitedtzendem interior for connection of the connection pipe 54 with the conveying gas line 55 and vacuum line 56, ie for positive and negative pressure.
  • each bar 102 of the ridge frame 100 preferably corresponds approximately to the diameter b of the bar 50 connecting the two ball ends 52 of the float 50 of about 10 mm.
  • the free ends 104 of the bars 102 which define an inner diameter f of a base section 105 of the length g of the ridge frame, are attached near the frame 84 and parallel to this perforated plate 110.
  • the rod 102 At that distance g to its lower rod end 104 and the perforated plate 110 is the rod 102 to a short length g 1 as a rod portion 106 inclined at an angle w 1 of about 30 ° achs kauts, so that the inner diameter f 1 of the upward upper frame portion 108 of the axial length g 2 is shorter than the above-mentioned diameter f.
  • the length g 2 here is also shorter than half the length g of the base portion 104.
  • a likewise small length g 3 offer the end portions 107 of the bars 102, which are inclined in opposite directions to those bar sections 106 outwardly and on the roof ring 94 inside.
  • the pump chamber 34 b of Fig. 6 differs from the pump chamber 34 a of Fig. 5 especially by a flat ridge cover 89, the inside of the sealing ring 48 is assigned; this is between the inclined end portions 107 of the ridge frame 100th
  • the ball ends 52 and 52 t whose wall thickness measures, for example, 0.6 mm, lie loosely in the ridge frame 100, but may also abut the rods 102 in the base section 105 or in the upper frame section 108 on the inside in the region of their respective equator 53, so that the float 50 a is guided axially.
  • When closing closes - as stated above and in Fig. 6 indicated - the upper end of the ball 52 to the sealing ring 48 and thus closes the open ring center 49.
  • perforated plate or perforated grille 110 limits the sinking path of the float 50, 50 a .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Air Transport Of Granular Materials (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Basic Packing Technique (AREA)
  • Saccharide Compounds (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Claims (45)

  1. Dispositif de transport de matières coulantes comprenant une chambre de pompe (34, 34a, 34b) raccordée d'une part à une conduite à vide (56) et à une conduite de gaz de transport (55) en utilisant au moins un élément filtrant (44, 44a), un système (38, 38a, 100) destiné à séparer le liquide et la poudre avec l'élément filtrant (44, 44a) et un organe flottant (50, 50a) disposé dessus étant installé en tant qu'élément d'étanchéité dans la zone supérieure de la chambre de pompe (34, 34a, 34b) cylindrique s'étendant verticalement,
    caractérisé en ce qu'à la chambre de pompe (34, 34a, 34b) sont associées au moins une conduite d'amenée (20) et au moins une conduite de prélèvement (12, 21) pour la matière, la chambre de pompe (34, 34a, 34b) étant raccordée pour le transport pneumatique de liquides, de poudres, de suspensions et de pâtes dans sa zone inférieure à la conduite d'amenée (20) et à la conduite de prélèvement (12, 21) pour le liquide et/ou la poudre et/ou la suspension et/ou la pâte et dans lequel un tuyau d'évacuation (70) incliné en direction de son axe longitudinal (A) et dans lequel passe la conduite de prélèvement (12, 21) est disposé à l'extrémité de décharge de la chambre de pompe (34, 34a, 34b).
  2. Dispositif selon la revendication 1, caractérisé par plusieurs conduites d'amenée (20) pour plusieurs produits.
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que l'élément filtrant (44, 44a) traversant l'axe longitudinal (A) du système (38, 38a, 100) est disposé entre ledit système et la chambre de pompe (34, 34a, 34b).
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que l'extrémité du système (38, 38a, 100) éloignée de l'élément filtrant (44, 44a) est associée à la conduite de gaz de transport (55) et à la conduite à vide (56).
  5. Dispositif selon la revendication 4, caractérisé en ce qu'un tuyau de raccordement en forme de T (54) comprenant deux sections de raccordement contenant respectivement une soupape d'arrêt (57, 57a) pour la conduite de gaz de transport (55) et la conduite à vide (56) dépasse d'une paroi frontale (36) du système (38, 38a, 100).
  6. Dispositif selon l'une des revendications 1 à 5, caractérisé en ce que la chambre de pompe (34, 34a, 34b) est raccordée à au moins une soupape d'admission (18) et à une soupape d'évacuation (19, 19b) pour la matière.
  7. Dispositif selon l'une des revendications 1 à 6, caractérisé en ce que le système est conçu comme une chambre axiale de faîtage (38, 38a) de la chambre de pompe (34) du dispositif (30, 30a) et disposé de manière à pouvoir se déplacer axialement dans celle-ci (Figure 2).
  8. Dispositif selon la revendication 7, caractérisé en ce que la chambre de faîtage (38, 38a) est entourée de manière étanche par au moins un joint annulaire (47) de la chambre de pompe (34).
  9. Dispositif selon la revendication 8, caractérisé en ce que le joint annulaire (47) est disposé dans la chambre de pompe cylindrique (34) formant avec la chambre de faîtage (38) un interstice annulaire (45) de faible largeur (figure 1).
  10. Dispositif selon la revendication 8, caractérisé en ce que le joint annulaire (47) s'étend dans une collerette d'extrémité annulaire (37e) dont le diamètre (e1) est plus court que le diamètre (d) de la chambre de pompe (34) (figures 2,3).
  11. Dispositif selon la revendication 10, caractérisé en ce qu'une section annulaire (37) s'élargissant en direction de la chambre de pompe (34) à la façon d'un entonnoir est disposée, en particulier formée, entre la collerette d'extrémité (37e) et la chambre de pompe (34).
  12. Dispositif selon la revendication 11, caractérisé en ce qu'un bâti (62) destiné à guider axialement la chambre de faîtage mobile (38a) fait saillie de la section annulaire (37).
  13. Dispositif selon l'une des revendications 1 à 12, caractérisé en ce que l'élément filtrant (44) est associé en tant que plaque filtrante à une section de socle (40) de la chambre de faîtage (38, 38a) du dispositif (30, 30a).
  14. Dispositif selon la revendication 13, caractérisé par une section de socle perforée (40) de la chambre de faîtage (38, 38a).
  15. Dispositif selon la revendication 13 ou 14, caractérisé en ce que la plaque filtrante (44) est fixée sur la section de socle (40) de la chambre de faîtage (38, 38a) et fait latéralement saillie de celle-ci.
  16. Dispositif selon la revendication 14 ou 15, caractérisé en ce que la plaque filtrante (44) est entourée sur son bord par au moins un joint boudin (46) adjacent d'autre part à la surface intérieure (31) de la chambre de pompe (34), la plaque filtrante étant éventuellement disposée dans un support (42) et celui-ci étant entouré par le joint boudin.
  17. Dispositif selon l'une des revendications 1 à 16, caractérisé en ce que le tuyau d'évacuation (70) est raccordé à un tuyau de raccordement axial (12b) de la zone de socle (32b) de la chambre de pompe (figure 4).
  18. Dispositif selon la revendication 17, caractérisé par au moins un vibrateur (72) installé sur le tuyau d'évacuation (70).
  19. Dispositif selon la revendication 17 ou 18, caractérisé en ce que le tuyau d'évacuation incliné (70) débouche dans un tuyau de transport (74) de préférence à axe parallèle par rapport à la chambre de pompe (34), un élément de fermeture (78) étant associé à la zone de débouché et au moins une soupape d'évacuation (19b) étant associée à l'extrémité libre du tuyau de transport.
  20. Dispositif selon la revendication 19, caractérisé en ce que le débouché du tuyau d'évacuation (70) peut être recouvert par une plaque de fermeture (75) de l'élément de fermeture (78).
  21. Dispositif selon la revendication 19 ou 20, caractérisé en ce que le débouché du tuyau d'évacuation (70) peut être en partie recouvert par la plaque de fermeture (75).
  22. Dispositif selon l'une des revendications 1 à 6, caractérisé en ce que le système est fixé en tant que bâti de faîtage (100) dans la zone frontale de la chambre de pompe (34a, 34b) et à distance de l'élément filtrant (44a).
  23. Dispositif selon la revendication 22, caractérisé en ce que le bâti de faîtage (100) est constitué à la façon d'une cage de barres (102) sensiblement parallèles à l'axe et éventuellement respectivement déformées à distance (g) de leur extrémité libre (104) de sorte qu'une section supérieure de bâti (108) dont le diamètre (f1) est plus court que le diamètre (f) de la section inférieure de bâti s'étende au-dessus d'une section inférieure de socle (105).
  24. Dispositif selon la revendication 22 ou 23, caractérisé en ce que la longueur totale du bâti de faîtage (100) est constituée à peu près aux deux tiers de sa section inférieure de bâti (105) et à peu près à un tiers de la section supérieure de bâti (108).
  25. Dispositif selon l'une des revendications 22 à 24, caractérisé en ce que l'élément filtrant est logé en tant que plaque filtrante (44a) dans un cadre (84) et celui-ci est fixé dans la chambre de pompe (34a) entre deux sections de récipient (88, 88t).
  26. Dispositif selon la revendication 24 ou 25, caractérisé en ce que le bâti de faîtage (100) est fixé dans une bague de toit (94) vers le faîte et est pourvu sur son extrémité inférieure d'une tôle ou grille perforée (110) s'étendant à peu près parallèlement à la plaque filtrante (44a), d'un tamis ou d'un filtre.
  27. Dispositif selon la revendication 26, caractérisé en ce que la tôle ou la grille perforée (110) et/ou le tamis ou filtre s'étendent à distance de la plaque filtrante (44a) et à peu près parallèlement à celle-ci.
  28. Dispositif selon l'une des revendications 1 à 27, caractérisé en ce que l'organe flottant (50, 50a) est associé à une bague d'étanchéité (48) dans la chambre de faîtage (38, 38a) ou au bâti de faîtage (100) et le centre ouvert de la bague (49) peut être fermé par l'organe flottant.
  29. Dispositif selon la revendication 28, caractérisé en ce que la bague d'étanchéité (48) et l'organe flottant (50, 50a) forment une soupape composée de deux corps associés l'un à l'autre, le centre ouvert (49) de la bague d'étanchéité (48) pouvant être fermé par une extrémité sphérique (52) du corps flottant.
  30. Dispositif selon l'une des revendications 28 ou 29, caractérisé en ce que l'organe flottant (50, 50a) comprend deux extrémités sphériques (52 ; 52, 52t) reliées axialement par une partie tubulaire (51).
  31. Dispositif selon l'une des revendications 28 à 30, caractérisé en ce que les deux extrémités sphériques (52, 52) présentent des diamètres différents (f, f1) et sont associées à des sections (105, 108) du bâti de faîtage (100) dotées de largeurs intérieures correspondantes.
  32. Dispositif selon la revendication 31, caractérisé en ce que les deux extrémités sphériques (52, 52t) sont associées de manière équatoriale aux sections (105, 108) présentant des diamètres intérieurs (f, f1) correspondants du bâti de faîtage (100).
  33. Dispositif selon l'une des revendications 28 à 32, caractérisé en ce que l'organe flottant (50, 50a) doté d'au moins une extrémité sphérique (52) ferme l'accès à la conduite à vide (56).
  34. Dispositif selon l'une des revendications 28 à 33, caractérisé en ce que l'extrémité sphérique supérieure (32) réalisant une étanchéification par rapport au système à vide présente un diamètre de 15 à 90 mm, de préférence de 30 à 70 mm, et/ou l'extrémité sphérique inférieure présente un diamètre de 10 à 100 mm, de préférence de 20 à 80 mm.
  35. Dispositif selon l'une des revendications 1 à 34, caractérisé en ce que la chambre de pompe (34, 34a, 34b) présente une longueur de 10 à 1000 mm, de préférence de 50 à 800 mm et/ou de 60 à 100 mm.
  36. Dispositif selon au moins l'une des revendications 1 à 35, caractérisé en ce que la chambre de pompe (34, 34a, 34b) présente un diamètre (d) de 5 à 500 mm, de préférence de 200 mm.
  37. Procédé de transport pneumatique de matières coulantes utilisant un dispositif selon au moins l'une des revendications précédentes, caractérisé en ce qu'à la fois les matières particulaires et un liquide ou une suspension et/ou des pâtes sont transférés en même temps d'un récipient à un autre.
  38. Procédé selon la revendication 37, caractérisé en ce qu'un mélange de matières liquides et particulaires est pompé ou transporté.
  39. Procédé selon la revendication 37 ou 38, caractérisé en ce qu'un dosage de la matière s'effectue en sélectionnant une ouverture partielle d'un élément de fermeture sur un tuyau d'évacuation.
  40. Procédé selon l'une des revendications 37 à 39, caractérisé en ce qu'un mélange constitué de 0,01 à 99,99 % de matières liquides et de 99,99 à 0,01 % de matières particulaires est pompé ou transporté.
  41. Procédé selon les revendications 37 à 39, caractérisé en ce qu'un mélange constitué de 5,0 à 95,0 % de matières liquides et de 95,0 à 5,0 % de matières particulaires est pompé ou transporté.
  42. Procédé selon l'une des revendications 37 à 41, caractérisé en ce que la chambre de faîtage (38, 38a) est déplacée axialement dans la chambre de pompe.
  43. Procédé selon l'une des revendications 37 à 42, caractérisé en ce que le dispositif (30, 30a, 80) est nettoyé par aspiration du liquide nettoyant.
  44. Procédé selon l'une des revendications 37 à 43, caractérisé en ce que l'élément filtrant (44, 44a) est nettoyé en faisant fonctionner le dispositif à vide.
  45. Procédé selon l'une des revendications 37 à 44, caractérisé en ce que de l'azote est utilisé comme gaz de vidange et une atmosphère inerte est créée pendant le processus de vidange.
EP08018633A 2006-02-02 2007-01-30 Dispositif et procédé de transport de matières Active EP2019209B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102006005190 2006-02-02
DE102006007277A DE102006007277A1 (de) 2006-02-02 2006-02-15 Vorrichtung und Verfahren zum Fördern von Stoffen
EP07703136A EP1982074B1 (fr) 2006-02-02 2007-01-30 Dispositif et procede de transport de matieres

Related Parent Applications (1)

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EP07703136A Division EP1982074B1 (fr) 2006-02-02 2007-01-30 Dispositif et procede de transport de matieres

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EP2019209B1 true EP2019209B1 (fr) 2009-12-02

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EP07703136A Active EP1982074B1 (fr) 2006-02-02 2007-01-30 Dispositif et procede de transport de matieres

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US (2) US8157484B2 (fr)
EP (2) EP2019209B1 (fr)
CN (2) CN101410629B (fr)
AT (2) ATE450713T1 (fr)
DE (3) DE102006007277A1 (fr)
WO (1) WO2007088022A1 (fr)

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US20120138191A1 (en) * 2010-12-03 2012-06-07 Jack Harris System for delivering solid particulate matter for loading
US9877424B2 (en) 2010-12-08 2018-01-30 Bayer Cropscience, Lp Seed treatment facilities, methods and apparatus
US9861027B2 (en) 2010-12-08 2018-01-09 Bayer Cropscience, Lp Seed treatment systems and methods
US9959511B2 (en) 2010-12-08 2018-05-01 Bayer Cropscience Lp Retail point seed treatment systems and methods
DE102013218326A1 (de) 2013-09-12 2015-03-12 Gema Switzerland Gmbh Pulverversorgungsvorrichtung für eine Pulverbeschichtungsanlage
CN103708228A (zh) * 2013-12-18 2014-04-09 镇江立达纤维工业有限责任公司 一种新型粉末抽料机
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KR102639581B1 (ko) * 2022-12-23 2024-02-22 이강진 세척이 용이한 진공식 분체 이송 장치

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Also Published As

Publication number Publication date
US20090162150A1 (en) 2009-06-25
WO2007088022A1 (fr) 2007-08-09
CN101469724B (zh) 2013-05-08
EP2019209A1 (fr) 2009-01-28
DE102006007277A1 (de) 2007-08-09
US20090180899A1 (en) 2009-07-16
DE502007002195D1 (de) 2010-01-14
US8157484B2 (en) 2012-04-17
ATE450713T1 (de) 2009-12-15
EP1982074A1 (fr) 2008-10-22
CN101410629B (zh) 2013-05-08
DE502007002258D1 (de) 2010-01-21
CN101469724A (zh) 2009-07-01
CN101410629A (zh) 2009-04-15
EP1982074B1 (fr) 2009-12-09
ATE451555T1 (de) 2009-12-15

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