EP1220805B1 - Systeme et procede pour prelever des produits en vrac - Google Patents

Systeme et procede pour prelever des produits en vrac Download PDF

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Publication number
EP1220805B1
EP1220805B1 EP00966109A EP00966109A EP1220805B1 EP 1220805 B1 EP1220805 B1 EP 1220805B1 EP 00966109 A EP00966109 A EP 00966109A EP 00966109 A EP00966109 A EP 00966109A EP 1220805 B1 EP1220805 B1 EP 1220805B1
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EP
European Patent Office
Prior art keywords
container
air
bulk material
area
removal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP00966109A
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German (de)
English (en)
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EP1220805A1 (fr
Inventor
Arthur Peveling
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Peveling Arthur
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Peveling Arthur
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Priority to EP00966109A priority Critical patent/EP1220805B1/fr
Publication of EP1220805A1 publication Critical patent/EP1220805A1/fr
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Publication of EP1220805B1 publication Critical patent/EP1220805B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00—Large containers
    • B65D88/54—Large containers characterised by means facilitating filling or emptying
    • B65D88/64—Large containers characterised by means facilitating filling or emptying preventing bridge formation
    • B65D88/68—Large containers characterised by means facilitating filling or emptying preventing bridge formation using rotating devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00—Large containers
    • B65D88/54—Large containers characterised by means facilitating filling or emptying
    • B65D88/72—Fluidising devices

Definitions

  • the invention relates to a system and a method for removing Bulk goods from a container, in particular from a box-shaped Transport container.
  • Bulk goods especially hard-flowing bulk goods such as Diatomaceous earth, silica gel or brewing plaster, used as a filter medium in food production be used and as such a crystalline Have structure, are after production, i.e. after firing and coloring as a fine powder usually packed in sacks and such from manufacturer to consumer. so to the food manufacturers like Breweries and the like.
  • the sacks are then specially designed for the consumer Devices opened to transfer the bulk material into silo containers, in which the bulk material, so z.
  • B. diatomaceous earth, silica gel or brewing plaster and from which the required quantities are taken can be.
  • EP 0 713 473 B1 For the removal of hard-flowing, dusty bulk goods from silo containers a system for storing them is already known from EP 0 713 473 B1 is known in which at an outlet region of a silo container Removal device is attached. which has a conveyor that is arranged coaxially to the container axis to remove bulk material from the lower Area of a funnel coaxial to the container axis against gravity upwards, i.e. essentially against the flow direction of the Bulk goods in the container. to promote a discharge area. To the discharge area a bulk material suction device is connected to Aspirate bulk material made flowable by the conveying process to be able to.
  • Such pressure tanks are basically suitable for the transport of bulk materials that are not free-flowing or poorly flowing, but are extreme expensive because they have to withstand high pressures.
  • GB 2,116,938 A describes a container with a plastic lining, whose bottom is designed so that compressed air from below into a in the container powder material can be introduced.
  • Air supply cushions are provided inside the lining, which consist of a lower air-impermeable material and an upper porous material are made so that powdery material that on the air supply cushion lies, inflowing air can be exposed to the powdery Fluidize material from outside to inside. The removal of the fluidized powdery material is then carried out with the aid of a pneumatic conveyor.
  • the invention has for its object a system and a method for Removal of bulk goods from a container, in particular from a box-shaped one
  • a system and a method for Removal of bulk goods from a container in particular from a box-shaped one
  • To provide transport containers that are simple and reliable Removal of poorly flowing bulk goods even after a long Transport enables without having to apply high pressures.
  • the system for removing bulk material from a Container an air supply device with the air for fluidization bulk material can be introduced directly into the interior of the bulk material in the container is. This makes it possible, even through a long transport to mix heavily consolidated bulk material with air from the inside, So to fluidize it in connection with the discharge technology flows for a discharge.
  • the air supply device at least has a tube with an air-permeable wall that is connected to a pressure source can be connected and that in a container area located in front of the outlet area is attachable, the tube with an air-permeable wall is made of a porous sintered material.
  • the tube with air-permeable wall in one essentially cylindrical support frame arranged from longitudinal and circumferential webs is, the longitudinal webs substantially helical around the Run pipe with air-permeable wall around.
  • a drilling thread is arranged at the end of the tube with an air-permeable wall is.
  • the air supply device has a plurality of tubes with air-permeable walls, the plurality of tubes each provided in a support frame essentially of the same length and attachable parallel to each other in the container are.
  • a sleeve is attached with which the tube in a holding sleeve is attachable.
  • a connectable to the compressed air source on the adapter frame Collective pressure chamber is provided to which each pipe with air-permeable wall can preferably be connected by means of a pressure line is.
  • a particularly preferred embodiment of the invention is characterized by this out.
  • the container is a liner made of flexible.
  • a lining according to the invention essentially all conventional containers, in particular also box-shaped transport containers, such as. B. sea containers used for transport of various types of goods used on ships and trucks are used for the transport of bulk goods, in particular of use hard-flowing bulk materials such as diatomaceous earth and the like.
  • the liner can be cut or cut air supply area has, which is initially tightly closed and one after the other externally extending flexible sealing sleeve are surrounded, the Lining also an initially tightly closed outlet area for bulk goods, which also extends from an outward flexible sealing sleeve surround and open on or can be cut out.
  • the lining in one of the outlet area for bulk material remote area has an air outlet to which a external hose connects, the free end of which can be sealed is.
  • each removal device has its own Has funnel section in which the respective conveyor with its conveyor essentially coaxial to the funnel axis is arranged.
  • each tapping device can be attached to the container by means of an adapter frame is.
  • the procedure is planned. that the discharge area of the sampling device Air can be supplied via an adjustable secondary air valve to an independent To allow suction air flow, which is via the secondary air valve supplied air is reduced. as soon as the bulk material in the container is sufficiently fluidized to increase the bulk material discharge.
  • the air is expediently used to fluidize the bulk material of a tube having an air-permeable wall in a front the container area located in the outlet area is introduced into the bulk material.
  • the fluidization of the bulk material i.e. loosening and whirling of bulk goods with supplied air to improve and equalize is provided according to the invention that for introducing air into the Bulk material several pipes with air-permeable walls are used, the plurality of tubes for introducing air into the bulk material are arranged essentially the same length and parallel to each other.
  • the plurality of pipes for Introducing air into the bulk material from a common compressed air source can be supplied with compressed air via a collective pressure chamber.
  • system according to the invention for removing bulk material from a container is basically used for containers of various shapes can be, it can be particularly advantageous in box-shaped Use shipping containers and is therefore related below with a so-called sea container, as used today for the Transport of various goods used by truck, train and ship is described.
  • FIG. 1 shows schematically a box-shaped sea container 10 with a lining 11 is provided.
  • the lining 11 consists of a air and moisture proof, flexible material and is essentially adapted to the box shape of the sea container 10 so that they bottom and Side walls covered and one to the top of the sea container essentially has parallel web as a cover.
  • loops 12 for hanging the lining 11 provided in the sea container 10 To the lining in the sea container 10 according to the shape of the sea container 10 to be tent-like, there are loops 12 for hanging the lining 11 provided in the sea container 10, only a few of which are schematic are indicated.
  • the lining 11 has one during the filling of the sea container 10 with bulk material and tightly closed outlet area during transport 13 on that of an outwardly extending flexible Sealing sleeve 14 is surrounded.
  • the sealing sleeve 14 is airless attached waterproof to the liner 11. Also are outside on the lining 11 adjacent to the sealing sleeve 14 of the Outlet area 13 in the area of a removable, not shown Container rear wall further sealing sleeves 15 (of which only one is provided) that surround the air supply areas 16, which also are tightly closed at first and only for unloading the sea container be opened to a so-called air supply lance 17 (see Figures 2 and 4) into the interior of the sea container 10 can.
  • FIG. 2 shows the lower right corner of a sea container 10 in FIG. 1 removed rear wall, in the lower area that of the rear wall released opening of the sea container 10 an adapter frame 18th is appropriate.
  • a collective pressure chamber 19 is attached, which via a pressure line 20. which can be designed as a pressure hose, with a schematic indicated compressed air source 20 'is connected.
  • the adapter frame 18 has a lead frame 22 on which Removal devices 23 are attachable.
  • Removal devices 23 are attachable.
  • quick-release means 24 are fastening the removal devices 23 on the connecting frame 22 of the adapter frame 18 .
  • each of the removal devices 23 has one Housing 25 with a funnel section 26 and a transition section 27 on.
  • a drive motor 29 for a Conveyor 30 is attached.
  • the conveyor 30 has a drive shaft 31, which in a manner not shown via a gear from Drive motor 29 is driven and coaxial with the funnel axis of the Funnel section 26 of the housing 25 is arranged.
  • a screw conveyor 32 is arranged, for example, by a Delivery pipe 33 is surrounded.
  • the position of the conveying direction relative to Depending on the operating conditions, the funnel axis can be the one to be conveyed Bulk and the location of the discharge area can be changed. Important is however, that the federal direction opposes an essential component for the outflow direction of bulk material from the sea container 10.
  • the screw conveyor 32 conveys Bulk in the direction from bottom right in Figure 3 to top left, like is indicated by the two arrows shown in the conveyor pipe 33.
  • the lower one. inlet-side end of the conveyor tube 33 can be a stirring device 34 may be assigned, which flows into the funnel section 26 Bulk material in the fluidized, flowable state holds and the conveyor pipe 33 or the screw conveyor 32 feeds.
  • the outlet side of the delivery pipe 33 is surrounded by a cap 35. that an annulus 36 between the cap 35 and the delivery pipe 33 is formed by the outlet side Bulk material emerging from the conveying pipe 33 to the inlet area can flow back.
  • Cap 35 is suitably one of several circumferentially distributed supports 37 in the funnel section 26 of the housing 25 of the removal device 23 held. About not shown Support webs or the like, the conveyor pipe 33 of the conveyor 30 be supported in the cap 35.
  • the air supply lance 17 comprises a tube 42 with an air permeable Wall, which is preferably made of a porous sintered material is made.
  • the tube 42 is at its front end, on the left in FIG. 4 closed with a cap 43, which is airtight or also made of air-permeable Sintered material can be made. With accordingly Rigid construction of the tube 42 can this directly in the sintered material introduce.
  • the tube 42 is more permeable to air Wall is arranged in a support frame 44, which in particular from helical webs 55 and circumferentially extending circumferential webs 46 is formed.
  • a sealing sleeve 4 7 on the one in FIG. 4 right rear end of the air supply lance 17 is provided, at which a radial Support flange 48 is attached with handles 49.
  • a connection piece 50 for a compressed air supply line 51 is also attached.
  • the support frame 44 breaks the solidified one Bulk material and improves the penetration of air from the pipe 42 into the bulk material.
  • a drilling thread 52 is attached to the front end of the support frame.
  • the box-shaped transport container ie the Sea container 10
  • the box-shaped transport container ie the Sea container 10
  • the rear web can the lining 11 can be cut out.
  • the transition section 27 of the housing 25 of the removal devices 23 a corresponding not shown with a lid tightly closable Luke provided.
  • the bulk solidified in the container after transport. becomes air is first introduced into the bulk material in the container, so that it is sufficiently fluidized.
  • the air is introduced over the air-permeable walls of the tubes 42 of the air supply lances 17, which are introduced into a region in the bulk material which is the outlet region 13 is adjacent. While through the air supply lances 17 under one Compressed air at low overpressure is introduced into the bulk material becomes. through the hose 55 excess air from the lining 11 drained.
  • the free end 57 of the hose 55 to one suitable filter device connected which makes it possible at the same time. determine how much dusty bulk material from the by the Hose 55 escaping air is carried.
  • the share of carried Bulk goods serve as an indicator of how far the bulk goods are in Transport container is already fluidized.
  • the conveyor 30 can Tapping devices 23 put into operation and the suction devices 39 be switched on.
  • the bypass valves 41 opened so that the delivery line 40 from the suction device 39 air sucked out practically completely through the secondary air valves 41 supplied secondary air is.
  • the system is designed for the removal of bulk goods ready for the sea container.
  • the secondary air supply is now throttled via the adjustable secondary air valve 41, so that bulk material with leading air is sucked out of the container becomes.
  • a negative pressure thus arises in the removal device 23 the fluidized or dusty bulk air leading out of the cladding sucked into the removal device 23 in the container and on to Discharge of bulk goods is sucked out of the transport container.
  • the secondary air valve 41 are closed more or less, so the Discharge capacity of bulk goods to the fluidization state of the bulk goods to adjust in the container.
  • the air supply must be adapted to the air extraction must be, especially when the secondary air valve is completely closed 41 the compressed air supply through the air supply lances 17 practical be equal to the air extraction for the removal of bulk goods.
  • the container After a sufficient fluidization state of the bulk material in the container is reached, the container to be unloaded, for example the Sea container 10 located on a truck into a container shown in FIG Tilt raised to allow bulk material to flow to the outlet area 13. So to support the tapping devices 23. Get there bulk material not yet fluidized into the area of the air supply lances, see above it is broken open at these and fluidized by the penetrating air.
  • the air supply lances 17 used to fluidize the bulk material with which the compressed air is introduced directly into the bulk material are in described embodiment arranged parallel to each other and penetrate equally deep into the interior of the container.
  • the two outer air supply lances longer than the two inner ones are formed and / or at a flatter angle be pushed into the bulk material inside the container.
  • the present invention thus makes it possible for bulk materials to flow poorly to be able to extract from a transport container even if the bulk material is very strongly solidified as a result of the transport. since that Bulk goods with the help of an additional air supply device in front of the Outlet area of the container is fluidized.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air Transport Of Granular Materials (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Paper (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)

Claims (11)

  1. Système pour prélever des produits en vrac d'un récipient, en particulier d'un récipient de transport en forme de caisse, comprenant un appareillage de prélèvement (23) qui peut être installé sur une région de sortie du récipient (10) et comprend un dispositif transporteur (30) pour appliquer au produit en vrac s'écoutant du récipient (10) dans l'appareillage de prélèvement (23), une action de transport sensiblement à l'encontre de la direction d'écoulement du produit en vrac sortant du récipient (10), jusqu'à une région d'extraction (38) de l'appareillage de prélèvement (23), à laquelle un dispositif d'aspiration (39) peut être raccordé, caractérisé en ce qu'il est prévu un dispositif d'alimentation en air (17, 19, 20') pour pouvoir introduire de l'air de fluidisation directement dans l'intérieur du produit en vrac dans le récipient (10), de sorte que le produit en vrac est ameubli de l'intérieur.
  2. Système selon la revendication 1, caractérisé en ce que le dispositif d'alimentation en air (17, 19, 20') comprend au moins un tube (42) à paroi perméable à l'air, pouvant être raccordé à une source de pression et être installé dans une région du récipient située devant la région de sortie, le tube (42) à paroi perméable à l'air étant de préférence fabriqué en matériau fritté poreux.
  3. Système selon la revendication 2, caractérisé en ce que le tube (42) à paroi perméable à l'air est disposé dans une cage de soutien sensiblement cylindrique (44) constituée de barres longitudinales et périphériques (45 et respectivement 46) dont les barres longitudinales (45) s'étendent sensiblement en forme d'hélice autour du tube (42) à paroi perméable à l'air, tandis que de préférence à l'extrémité du tube (42) à paroi perméable à l'air destinée à être disposée dans le récipient (10), est aménagé un filetage de percement (52).
  4. Système selon la revendication 2 ou 3, caractérisé en ce que le dispositif d'alimentation en air comprend plusieurs tubes (42) à parois perméables à l'air, système dans lequel les tubes (42) de préférence sensiblement de même longueur, prévus chacun dans une cage de soutien (44), sont installables parallèlement l'un à l'autre dans le récipient (10).
  5. Système selon revendication 2 à 4, caractérisé en ce qu'une douille (47) est installée sur chaque tube (42) dans la région de son extrémité pouvant être raccordée à la source d'air comprimé (20'), douille avec laquelle le tube (42) peut être fixé dans une douille de maintien (21) qui est prévue sur un châssis d'adaptation (18) pouvant être installé sur le récipient (10), tandis qu'il est prévu en particulier sur le châssis d'adaptation (18) une chambre de pression formant collecteur (19) pouvant être raccordée à la source d'air comprimé (20') et à laquelle peut être raccordé chaque tube (42) à paroi perméable à l'air, dé préférence au moyen d'une conduite sous pression (51).
  6. Système selon l'une des revendications précédentes, caractérisé en ce que le récipient (10) présente un revêtement (11) en matériau flexible imperméable à l'air, qui reçoit le produit en vrac en le protégeant des influences environnementales en particulier pendant un transport, où en particulier le revêtement (11) présente des zones d'alimentation en air (16) pouvant être coupées ou découpées, qui sont d'abord fermées de façon étanche et entourées chacune d'une manchette d'étanchéité (15) flexible s'étendant vers l'extérieur, tandis que le revêtement (11) présente de manière appropriée une région de sortie (13) pour le produit en vrac, qui est d'abord fermée de façon étanche, qui est entourée d'une manchette d'étanchéité flexible, (14) s'étendant vers l'extérieur et qui peut être coupée ou découpée pour l'ouverture, le revêtement présentant dans une zoné éloignée de la région de sortie (13) pour le produit en vrac une sortie d'air (56) à laquelle se raccorde une gaine (55) s'étendant à l'extérieur, dont l'extrémité fibre (57) peut être fermée de façon étanche.
  7. Système selon l'une des revendications précédentes, caractérisé en ce qu'il est prévu au moins deux appareillages de prélèvement (23) qui sont installés côte à côte dans la région de sortie du récipient (10) aussi bien en ce qui concerne la direction d'écoulement du produit en vrac qu'en ce qui concerne la force de gravite, où chaque appareillage de prélèvement (23) présente sa propre partie trémie (26) dans laquelle est disposé le dispositif de transport respectif (30) avec sa direction de transport sensiblement coaxiale à l'axe de la trémie, chaque appareillage de prélèvement (23) pouvant être installé sur le récipient (10) au moyen d'un châssis d'adaptation (18).
  8. Procédé pour prélever des produits en vrac d'un récipient, en particulier d'un récipient de transport en forme de caisse, dans lequel
    un appareillage de prélèvement (23) est installé sur une région de sortie du récipient (10),
    on transporte dans une région d'extraction (38) de l'appareillage de prélèvement (23) le produit en vrac se trouvant dans l'appareillage de prélèvement (23), sensiblement à l'encontre de sa direction d'écoulement sortant du récipient (10), et
    on aspire le produit en vrac de la région d'extraction (38),
    caractérisé en ce que
    on introduit de l'air directement dans l'intérieur du produit en vrac se trouvant dans le récipient (10), de sorte que le produit en vrac est fluidisé de l'intérieur.
  9. Procédé selon la revendication 8, caractérisé en ce que l'air pour fluidiser le produit en vrac est introduit dans le produit en vrac dans une région du récipient se trouvant devant la région de sortie, l'air pour fluidiser le produit en vrac étant introduit dans le produit en vrac de préférence à l'aide d'un ou plusieurs tubes (42) comprenant chacun une paroi perméable à l'air, les plusieurs tubes (42) pour introduire de l'air dans le produit en vrac étant sensiblement de même longueur et disposés parallèlement l'un à l'autre et de préférence alimentés en air comprimé à partir d'une. source d'air comprimé commune (20') par l'intermédiaire d'une chambre de pression formant collecteur (19).
  10. Procédé selon la revendication 8 ou 9, caractérisé en ce qu'au moins deux appareillages de prélèvement (23) sont installés sur la région de sortie du récipient (10), côte à côte aussi bien en ce qui concerne la direction d'écoulement du produit en vrac qu'en ce qui concerne la force de gravité, de l'air peut être acheminé à la région d'extraction (38) de l'appareillage de prélèvement (23) par l'intermédiaire d'une soupape d'air auxiliaire (41) réglable, pour permettre un flux d'air d'aspiration indépendant, où en particulier on réduit l'air acheminé par la soupape d'air auxiliaire (41) dès que le produit en vrac est suffisamment fludisé dans le récipient (10) pour augmenter l'extraction de produit en vrac.
  11. Procédé selon revendication 8 à 10, caractérisé en ce qu'avant le début du prélèvement proprement dit de produit en vrac dans le récipient (10), on introduit de l'air dans le récipient (10) pour fluidiser le produit en vrac, tandis que de l'air s'échappe du récipient (10) dans une région de celui-ci éloignée de la région de sortie, procédé où de manière appropriée on filtre l'air sortant du récipient (10) et on le surveille quant à l'entraínement de produit en vrac.
EP00966109A 1999-10-04 2000-10-04 Systeme et procede pour prelever des produits en vrac Expired - Lifetime EP1220805B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP00966109A EP1220805B1 (fr) 1999-10-04 2000-10-04 Systeme et procede pour prelever des produits en vrac

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP99119620 1999-10-04
EP99119620A EP1090856A1 (fr) 1999-10-04 1999-10-04 Système et procédé pour le déchargement d'un conteneur, notamment d'un conteneur de transport en forme de caisson
PCT/EP2000/009701 WO2001025120A1 (fr) 1999-10-04 2000-10-04 Systeme et procede pour prelever des produits en vrac
EP00966109A EP1220805B1 (fr) 1999-10-04 2000-10-04 Systeme et procede pour prelever des produits en vrac

Publications (2)

Publication Number Publication Date
EP1220805A1 EP1220805A1 (fr) 2002-07-10
EP1220805B1 true EP1220805B1 (fr) 2004-08-18

Family

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EP99119620A Withdrawn EP1090856A1 (fr) 1999-10-04 1999-10-04 Système et procédé pour le déchargement d'un conteneur, notamment d'un conteneur de transport en forme de caisson
EP00966109A Expired - Lifetime EP1220805B1 (fr) 1999-10-04 2000-10-04 Systeme et procede pour prelever des produits en vrac

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EP99119620A Withdrawn EP1090856A1 (fr) 1999-10-04 1999-10-04 Système et procédé pour le déchargement d'un conteneur, notamment d'un conteneur de transport en forme de caisson

Country Status (6)

Country Link
US (1) US6623233B2 (fr)
EP (2) EP1090856A1 (fr)
AT (1) ATE273881T1 (fr)
AU (1) AU7661700A (fr)
DE (1) DE50007508D1 (fr)
WO (1) WO2001025120A1 (fr)

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US20040022589A1 (en) * 2002-07-31 2004-02-05 Matsys Fluidizer for a substance
US7476060B2 (en) * 2005-08-31 2009-01-13 The Young Industries, Inc. Bulk material handling system and portable loading apparatus thereof
WO2014160667A1 (fr) * 2013-03-28 2014-10-02 Nordson Corporation Bac d'adhésif et procédé de stockage et de déplacement de particules adhésives vers un dispositif de fusion d'adhésif
US9725025B2 (en) * 2014-02-27 2017-08-08 Vincent R. Meier Unloading apparatus for dry bulk material
CN106241089A (zh) * 2016-09-12 2016-12-21 天津双兴达环保输送机械有限公司 一种大型粉料储库放料气化均化充气棒
US10687460B2 (en) 2017-07-18 2020-06-23 Cnh Industrial Canada, Ltd. Air-assisted agitation for tanks of application equipment

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DE50007508D1 (de) 2004-09-23
ATE273881T1 (de) 2004-09-15
US20020154956A1 (en) 2002-10-24
EP1090856A1 (fr) 2001-04-11
EP1220805A1 (fr) 2002-07-10
US6623233B2 (en) 2003-09-23
WO2001025120A1 (fr) 2001-04-12
AU7661700A (en) 2001-05-10

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