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WO2000073182A1 - Dispositif de remplissage d'un conteneur - Google Patents

Dispositif de remplissage d'un conteneur Download PDF

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Publication number
WO2000073182A1
WO2000073182A1 PCT/BE2000/000056 BE0000056W WO0073182A1 WO 2000073182 A1 WO2000073182 A1 WO 2000073182A1 BE 0000056 W BE0000056 W BE 0000056W WO 0073182 A1 WO0073182 A1 WO 0073182A1
Authority
WO
WIPO (PCT)
Prior art keywords
granulate
supply
hopper
outlet
container
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.)
Ceased
Application number
PCT/BE2000/000056
Other languages
English (en)
Inventor
Fabian Leroy
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KATOEN NATIE BULK TERMINALS
Original Assignee
KATOEN NATIE BULK TERMINALS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by KATOEN NATIE BULK TERMINALS filed Critical KATOEN NATIE BULK TERMINALS
Priority to AU49019/00A priority Critical patent/AU4901900A/en
Publication of WO2000073182A1 publication Critical patent/WO2000073182A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G67/00—Loading or unloading vehicles
    • B65G67/02—Loading or unloading land vehicles
    • B65G67/04—Loading land vehicles
    • B65G67/06—Feeding articles or materials from bunkers or tunnels

Definitions

  • the present invention relates to a device as described in the preamble of the first claim.
  • a device for loading bulk granular material from a storage bin into a container through an opening in the container, the container being mounted on a cargo carrier.
  • the device comprises a discharge spout with an inlet, which is releasably connectable to a discharge conduit on the storage bin.
  • the device also comprises an outlet for the bulk granular material, which communicates with the container opening to direct the granular material into the container.
  • the discharge spout is supported for movement on a movable platform.
  • the platform is movable transversely of the container length so as to allow the discharge spout to be positioned below the discharge conduit of the storage bin.
  • the device of US-A-4.819.700 however has the disadvantage that it is not capable of filling the container space distal from the outlet of the discharge spout to a sufficient extent. As the material flows through and out of the device under the influence of gravity only, its velocity is insufficient to allow it to be spread out and thus to allow the parts of the container distal from the discharge spout of the filling device to be filled with it.
  • the device of the present invention comprises a hopper which narrows down in a granulate flow passage, through a neck, towards the granulate supply for supplying granulate to the granulate supply hole in the lower container.
  • the granulate supply is mounted under an angle ⁇ 120° with respect to the height direction of the hopper, to allow an efficient spreading of the granulate in all directions.
  • the angle is mostly smaller than approximately 120° to allow the granulate to be ejected over a sufficiently large distance and to allow parts and edges of the container distal from the filling device to be filled with granulate.
  • the granulate supply is provided to be preferably positioned with respect to the filling opening of the lower container in such a way that its outlet extends in the interior or at least in the filling opening of the lower container.
  • a gas supply with an outlet is provided for supplying a gas into the granulate supply in the direction of the outlet of the granulate supply, i.e. in the direction in which the granulate is ejected, so as to create a under pressure or a negative pressure at the position of the gas outlet. Because gas is directed in the granulate supply with a high flow rate, pressure is decreased at the position where the gas enters the granulate supply, as a consequence of which a suction force is exerted to the granulate in the hopper and the granulate is ejected at high velocity from the granulate supply, together with the gas.
  • the gas outlet is preferably located at or right beyond the position where the neck transfers into the granulate supply, so as to prevent that granulate would end up in the gas supply line.
  • the injection of gas at this position provides an optimum acceleration of the granulate: as the granulate flow still has a small diameter, the suction force is concentrated to a granulate bundle with small section, which results in an improved acceleration and spreading of the granulate as soon as it is ejected from the granulate supply.
  • a separation wall is provided, by means of which the hopper is divided into a first and a second compartment, both compartments being connected to the neck.
  • the separation wall may extend over virtually the whole height of the hopper or may have a smaller height as the hopper.
  • the first compartment is provided for receiving and transferring the granulate to the granulate supply through the granulate flow passage and the neck.
  • the second compartment is provided for supplying air to the granulate supply thus facilitating the flowing of the granulate through the hopper.
  • the additional suppletion of air through the second compartment involves that an additional acceleration is implied to the granulate. In that way the acceleration implied by the negative pressure is further increased and the flow rate of the granulate through the device and thus the filling rate and extent of filling of the container can be improved without involving the risk that an envelope provided in the container to avoid contamination of the granulate, gets damaged.
  • the route followed by the granulate after it has been ejected from the outlet of the granulate supply is mostly arcuate, the granulate being widely spread out in several directions.
  • a granulate flow rate of 40 ton/hour can be achieved. This is not possible with the devices known from the art.
  • a pneumatic device for feeding pulverulent, powdery, granular or liquid material from a container to and through a pipeline over a relatively long distance.
  • the apparatus is mounted in the container and comprises a delivery chute through which the product flows from the container in downward direction through a sealable neck into a transition chamber.
  • the material flow takes place under the influence of both gravity and a suction force from the side of the transition chamber.
  • the suction force is created by injecting a high velocity gas stream into the transition chamber in the direction of the pipeline over a predetermined distance, as a consequence of which a region of pressure lower than atmospheric pressure is created in the transition chamber.
  • the product is entrained from the transition chamber into the pipeline, by the high velocity gas stream.
  • Usual gas pressures are 20-45 psi.
  • the material flow is facilitated by a gas pressure directed along the surface of the delivery chute.
  • a gas pressure directed along the surface of the delivery chute Furthermore, to give the material a sufficient velocity as it leaves the transition chamber, it is accelerated as it flows through the pipeline, by means of a high velocity gas flow directed along the wall of the pipeline.
  • the material is further accelerated in that the large diameter of the transition chamber transfers into a smaller diameter of the pipeline.
  • the neck is automatically closed off by means of a valve in case the pressure in the main pipeline or the transition chamber increases, to prevent a blowback of the material.
  • the valve is opened by the negative pressure and functions as a means for controlling the material flow rate towards the transition chamber.
  • US-A-4.009.912 does however not teach to enhance the flow rate of the material through the delivery chute by dividing the latter in two compartments which both give access to the granulate flow passage.
  • a gas pressure of approximately 8.5-15 psi appears to involve a sufficient acceleration of the granulate to allow distal ends of the container to be loaded with it.
  • the device of this invention preferably comprises means for adjusting the position of the platform in height direction of the container, so as to allow the position of the outlet of the granulate supply to be adjusted to the position of the filling opening of the lower container. In that way a compact, mobile loading device can be obtained, which is suitable for use in combination with almost all types of silos without involving the need of adapting the silos thereto.
  • the entire device is mobile.
  • the neck preferably three, more preferably at least five gas supply lines are provided, two gas supply pipes being shifted in height direction of the device in the direction of the hopper, the outlet of these two pipes being shifted towards the neck in a direction pointing away from the outlet of the granulate supply; the remaining three gas supply pipes being shifted in the height direction of the device in a direction pointing away from the hopper, the outlet of the three pipes being shifted towards the outlet of the granulate supply.
  • This shifted arrangement provides a uniform distribution of the gas in the granulate supply and thus a uniform acceleration of the granulate over the entire diameter of the granulate supply.
  • the presence of only two gas supply lines in the neighbourhood of the granulate flow passage allows the granulate to flow from the hopper through the neck into the granulate supply without subjecting a too large resistance.
  • the device of the present invention preferably comprises means which allow the outlet of the granulate supply to be displaced in height direction of the device. In that way, parts of the container close to the loading device as well as parts distal from the loading device can be filled with granulate, thereby avoiding that too much empty space remains in the container.
  • the device of this invention preferably also comprises means for displacing the outlet of the granulate supply in horizontal direction, so as to allow a good spreading of the granulate and to allow the lower container to be filled with granulate over almost its complete width.
  • the device of this invention presents the advantage that the granulate supply can be maintained relatively short, so that the contact and impact of the granulate against the wall and the therewith associated degradation of the granulate, the so called formation of angle hair, can be minimised.
  • the contact time of the granulate with the wall heating of the granulate during the loading of the container can be minimised.
  • the hopper is preferably provided with a cover with a hole, which cover is provided to be placed it on top of the hopper in such a way that the hole is located below the upper container and above the first compartment, to prevent that granulate ends up outside the hopper or in the second compartment through which air is supplied to the granulate supply.
  • the platform preferably comprises hooks with which it can be hung to the lower container, and be positioned with respect to the filling hole of the container in a simple manner.
  • FIG 1 the loading device of this invention is shown in a position where it is suspended to a container.
  • FIG 2 a detail of the loading device of this invention is shown.
  • Figure 3 shows a detail of the granulate supply.
  • the loading device of this invention is placed below the outlet of an upper container 10, for receiving granulate 9 from this container 10 and loading it into a lower container 12 positioned below the upper container 10.
  • the upper container 10 preferably contains a control valve with which the flow rate of the granulate from the container can be controlled.
  • the loading device comprises a platform 22 with means for attaching it to the lower container 12.
  • the means may for example include hooks with which the container is suspended to the lower container 12, which is to be filled with the granulate 9.
  • the presence of the hooks 19 allows an optimal positioning of the loading device with respect to the lower container 12. If so desired, other means known to the man skilled in the art can be used for adapting the position of the platform 22 with respect to the lower container 12.
  • the upper container 10 can for example be a silo which is mostly positioned at a fixed distance from the ground.
  • the lower container 12 is for example a container provided for mounting on a truck.
  • the lower container 12 contains an interior volume 15 for containing the granulate 9.
  • the interior volume 15 is surrounded by a wall 13 and contains a back wall 13 in which at least one granulate supply hole 2 is provided for supplying the granulate 9 to the interior 15.
  • the granulate supply hole 2 can for example be formed by a door opening in the back wall of the container 12 or by a hole provided it this back wall. It is however also possible to load the granulate through a hole in any other wall of the container 10.
  • the loading device shown in figure 3 comprises a hopper 1 for receiving granulate 9 from the upper container 10.
  • the hopper can have widely varying shapes, for example the shape of an inverted pyramid, or an inverted truncated cone or any other suitable shape known to the man skilled in the art.
  • the wall 17 of the hopper 1 slants in the direction of the neck 4, preferably under an angle of about 60- 65°, more preferably about 62°. It has namely been found that with such a slope, an optimal flow of the granulate 9 can be obtained.
  • the hopper 1 narrows in downward direction into a granulate flow passage 3, which gives access to a neck 4.
  • the neck 4 is bent in the direction of and is connected to the granulate supply 5.
  • the granulate supply 5 preferably forms an angle with the height direction of the hopper 1 , which is less than or equal to approximately 120°.
  • the angle is preferably approximately 90° so as to allow the granulate to be ejected from the granulate supply 5 over a sufficiently long distance and a sufficiently wide angle. In that way empty space in the lower container 12 can be reduced to a minimum.
  • a separation wall 8 is provided for dividing the hopper 1 into a first and a second compartment 23, 24.
  • the first compartment 23 is provided for receiving granulate 9 from the upper container 10 and supplying it in the direction of the granulate flow passage 3.
  • the second compartment 24 is provided for supplying an air flow in the direction of the granulate flow passage 3 and improving and accelerating the flow of the granulate 9 through the hopper 1.
  • the separation wall 8 preferably extends towards the granulate flow passage 3, so that both the first and second compartment 23, 24 end up in the granulate flow passage 3 and give access to the neck 4.
  • the separation wall 8 extends for example approximately parallel to one of the walls 17 of the hopper 1 and connects opposite walls of the hopper 1 with each other. It is also possible that the second compartment extends along the hopper wall 17.
  • the separation wall 8 preferably extends over the entire height of the hopper 1 , but may have a smaller or larger height.
  • the hopper may be covered with a removably mounted cover to avoid that granulate ends up outside the hopper 1 and is lost.
  • the cover contains a hole through which the granulate 9 can flow from the upper container 10 towards the lower container 12.
  • the walls of the hopper 1 preferably, transfer into each other in a seamless manner to avoid that any granulate remains in the hopper and that a subsequent granulate batch would be contaminated with a former batch.
  • a gas supply 18 is provided for supplying gas at a high flow rate in the granulate supply 5, in the direction of the outlet 27 thereof.
  • gas preferably air with a pressure of approximately 5-20 psi, preferably approximately 8.5-15 psi is used.
  • the gas pressure can be for example adapted to the flow rate of the granulate desired, and to the dimensions of the lower container 12 that needs to be loaded with granulate. In that way at the position right beyond the outlet 11 of the gas supply lines 25 a negative pressure, i.e.
  • the gas supply device can be any device known to the man skilled in the art, for example a fan 20.
  • the fan 20 and the means for controlling the gas flow rate are preferably also mounted on the platform.
  • the gas supply 18 preferably comprises a gas supply pipe 21 connected to the fan.
  • the pip 21 preferably transfers into at least three, or at least five smaller supplies 25, which extend throughout the neck into the granulate supply 5.
  • the gas supply pipes preferably extend parallel with each other and with the wall 26 of the granulate supply to hinder the flow of the granulate 9 as few as possible.
  • the outlet 18 of the gas supply pipes is preferably located in the granulate supply 5 to avoid that granulate flowing down from the hopper would end up in the gas supply.
  • two gas supply pipes are shifted in height direction of the device towards the hopper 1 , the outlet of these two pipes being shifted in a direction pointing away from the outlet of the granulate supply 27, whereas the remaining three gas supply pipes are shifted in a direction pointing away from the hopper 1 , the outlet of the three pipes being shifted towards the outlet 27 of the granulate supply 5.
  • This shifted arrangement provides a uniform distribution of the gas in the granulate supply and thus a uniform acceleration of the granulate over the entire diameter of the granulate supply 5.
  • the presence of only two gas supply lines in the neighbourhood of the granulate flow passage 3 allows the granulate to flow from the hopper 1 through the neck 4 into the granulate supply 5 without subjecting a too large resistance.
  • the diameter of the gas supply pipes 25 is preferably adapted to the size of the granulate supply 5 so as to allow the passage of the granulate through the hopper 1 to proceed as fast as possible.
  • the flow rate with which the gas is supplied is preferably adjustable so as to allow the flow rate of the granulate 9 towards the granulate supply hole 2 to be adapted to the granulate.
  • the granulate supply 5 preferably has an elongated shape, and is maintained as short as possible to minimise the contact of the granulate 9 with the wall of the granulate supply 5 and to minimise the risk of degradation of the granulate.
  • the combination of the hopper 1 , neck 4 and granulate supply 5 is preferably rotatably mounted on the platform 22 in vertical and horizontal direction, and dispiaceable towards and from the lower container 12.
  • the dispiaceable mounting in horizontal direction allows that the container is filled with granulate over its entire width.
  • the platform 22 further preferably comprises an electrical control panel for controlling the fan.
  • the loading device can be controlled from the platform 22.
  • granulates can be transported form an upper to a lower container, for example granulates of a plastics material or coffee.
  • the shape of the granules may vary for example from almost ball shaped to oval or cylindrical or any desired shape.
  • the flow rate of the granulate from the silo 10 to the hopper 1 is preferably adjustable.
  • Means for adjusting this flow rate may be the means generally known to the man skilled in the art.
  • the means may include means for controlling the control valve provided at the outlet of the silo.
  • the device of this invention may be operated as follows. In the interior 15 of the lower container 12 a plastic envelope is inserted to avoid contamination of the granulate 9.
  • the loading device is attached to the door opening 19 of the lower container 12 through the hooks 19.
  • the outlet 27 of the granulate supply 5 is inserted into the plastic envelope.
  • the lower container 12 is placed below the silo 10, in such a way that the hole in the cover of the hopper 1 is positioned below the outlet of the silo.
  • the fan 20 is operated, the plastic envelope is filled with air.
  • a gas preferably air is blown through the gas supply 11 , 25 at a pressure of approximately 8.5-15 psi to create a negative pressure at the outlet 18 of the gas supply.
  • the outlet of the silo 10 is opened, granulated 9 flows in the hopper 1 and from the hopper 1 through the first compartment 23 and the venturi 4, 5 towards the container.
  • the uniform distribution of the air from the gas supply 11 , 25 in the granulate supply 5 involves a uniform acceleration of the granulate in the granulate supply 5. This in turn allows to obtain a uniform and wide spreading of the granulate 9 in the lower container so that the risk to damaging the plastic envelope is minimised.
  • the fan 20 can be provided with a frequency adapter to vary the gas pressure and allow containers 12 with varying dimensions to be filled with granulate.

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)

Abstract

L'invention porte sur un dispositif de chargement monté sur une plate-forme (22) et comprenant une trémie (1) présentant une entrée (14) destinée à recevoir des grains provenant du conteneur supérieur (10), ladite trémie (1) se rétrécissant pour former un passage (3) relié à la réserve (5) de grains, et une sortie (27) fournissant les grains (9) à l'orifice d'alimentation (2). La réserve de grains (5) comprend une alimentation en gaz (11, 21, 25) présentant une sortie (27) amenant le gaz dans la réserve de grains (5) dans la direction de la sortie (27) de la réserve de grains de manière à créer une dépression au niveau de la sortie (11) et dans la trémie (1). Une cloison (8) divise la trémie (1) en deux compartiments, tous deux (23, 24) donnant accès au passage (3) d'écoulement des grains.
PCT/BE2000/000056 1999-05-26 2000-05-26 Dispositif de remplissage d'un conteneur Ceased WO2000073182A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU49019/00A AU4901900A (en) 1999-05-26 2000-05-26 Device for filling a container

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE9900366 1999-05-26
BE9900366A BE1012685A3 (nl) 1999-05-26 1999-05-26 Inrichting voor het vullen van een container via een deuropening van de container.

Publications (1)

Publication Number Publication Date
WO2000073182A1 true WO2000073182A1 (fr) 2000-12-07

Family

ID=3891929

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/BE2000/000056 Ceased WO2000073182A1 (fr) 1999-05-26 2000-05-26 Dispositif de remplissage d'un conteneur

Country Status (3)

Country Link
AU (1) AU4901900A (fr)
BE (1) BE1012685A3 (fr)
WO (1) WO2000073182A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6591875B2 (en) 2001-10-01 2003-07-15 Deere & Company Cart for bulk filling intermodal containers
EP3792205A1 (fr) * 2019-09-11 2021-03-17 Katoen Natie Bulk Terminals Dispositif de déchargement de matières particulaires à partir de silos dans des conteneurs mobiles

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2149123A (en) * 1937-10-04 1939-02-28 Nicolaus Otto Loading spout holder
AT296151B (de) * 1969-05-12 1972-02-10 Josef Hutter Vorrichtung zur Förderung von Körnern mittels Druckluft
DE2151980A1 (de) * 1971-10-19 1973-04-26 Bell Lijn Nv Ladevorrichtung fuer massen- oder schuettgut-container
US4009912A (en) 1974-11-04 1977-03-01 Joseph Mraz Pneumatic conveying apparatus and method
DE2821754A1 (de) * 1978-05-18 1979-11-22 H J Linder Auslasskruemmer fuer materialbehaelter
DE3441421A1 (de) * 1984-11-13 1986-05-15 NEMA-Engineering GmbH, 2901 Wiefelstede Verfahren und vorrichtung zur befuellung von tankwagen aus einem silo
US4819700A (en) 1987-04-03 1989-04-11 Amoco Corporation System for loading bulk containers with fluent material from overhead storage bin

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2149123A (en) * 1937-10-04 1939-02-28 Nicolaus Otto Loading spout holder
AT296151B (de) * 1969-05-12 1972-02-10 Josef Hutter Vorrichtung zur Förderung von Körnern mittels Druckluft
DE2151980A1 (de) * 1971-10-19 1973-04-26 Bell Lijn Nv Ladevorrichtung fuer massen- oder schuettgut-container
US4009912A (en) 1974-11-04 1977-03-01 Joseph Mraz Pneumatic conveying apparatus and method
DE2821754A1 (de) * 1978-05-18 1979-11-22 H J Linder Auslasskruemmer fuer materialbehaelter
DE3441421A1 (de) * 1984-11-13 1986-05-15 NEMA-Engineering GmbH, 2901 Wiefelstede Verfahren und vorrichtung zur befuellung von tankwagen aus einem silo
US4819700A (en) 1987-04-03 1989-04-11 Amoco Corporation System for loading bulk containers with fluent material from overhead storage bin

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6591875B2 (en) 2001-10-01 2003-07-15 Deere & Company Cart for bulk filling intermodal containers
WO2003028434A3 (fr) * 2001-10-01 2003-10-30 Deere & Co Chariot pour le remplissage en vrac de conteneurs multimodaux
EP3792205A1 (fr) * 2019-09-11 2021-03-17 Katoen Natie Bulk Terminals Dispositif de déchargement de matières particulaires à partir de silos dans des conteneurs mobiles
BE1027524B1 (nl) * 2019-09-11 2021-08-03 Katoen Natie Bulk Terminals Nv Inrichting voor het lossen van deeltjesmateriaal uit silo's naar mobiele recipiënten

Also Published As

Publication number Publication date
AU4901900A (en) 2000-12-18
BE1012685A3 (nl) 2001-02-06

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