EP0649799A1 - Bunker with a discharge device - Google Patents

Bunker with a discharge device Download PDF

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Publication number
EP0649799A1
EP0649799A1 EP94115724A EP94115724A EP0649799A1 EP 0649799 A1 EP0649799 A1 EP 0649799A1 EP 94115724 A EP94115724 A EP 94115724A EP 94115724 A EP94115724 A EP 94115724A EP 0649799 A1 EP0649799 A1 EP 0649799A1
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EP
European Patent Office
Prior art keywords
bunker
conveyor
sections
discharge opening
horizontal
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.)
Withdrawn
Application number
EP94115724A
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German (de)
French (fr)
Inventor
Ante Skocic
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.)
Aqseptence Group GmbH
Original Assignee
Passavant Werke AG and Co KG
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Filing date
Publication date
Application filed by Passavant Werke AG and Co KG filed Critical Passavant Werke AG and Co KG
Publication of EP0649799A1 publication Critical patent/EP0649799A1/en
Withdrawn legal-status Critical Current

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    • 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

Definitions

  • the invention relates to a bunker for the temporary storage and controlled delivery of plate-like or lump-shaped solid bodies, in particular of fragments of filter cakes occurring in filter presses for dewatering sludge.
  • the filter press When the filter press is opened, the filter cakes fall into the bunker underneath and are then removed for drying, incineration or landfilling.
  • the known bunkers have at least one lower slot-shaped discharge opening to which the bunker floor is narrowed.
  • the discharge conveyor which is designed as a trough chain conveyor in the majority of cases, lies under the discharge opening.
  • screw conveyors also occur.
  • conveyor strips Due to the fact that conveyor bars move in an oscillating manner over the discharge opening and the adjacent sections of the bunker floor, the solid fragments are loosened again and again and then continuously released to the discharge conveyor. It is advantageous if the conveyor strips have a wedge-shaped profile, the surface of the wedge facing the discharge opening running radially and thus acting as a conveyor surface and which in the wedge surface pointing in the opposite direction causes the fragments to be lifted and crushed.
  • a relatively uniform discharge of the fragments is achieved if, according to an embodiment of the invention, two conveyor bars are provided attached to the shaft at an angle of approximately 90 °, the spline profiles being arranged in opposite directions and the pendulum stroke only needing to be approximately 45 °.
  • Bunkers that are loaded by a large-plate filter press generally have a rectangular cross-section that matches the length and width of the filter press.
  • two discharge openings lying parallel to one another are advantageously provided, which then also receive the arcuate sections of the bunker base and the loosening and conveying devices described above.
  • the two devices are operated by a single drive, e.g. is designed as a double-acting hydraulic cylinder.
  • the exemplary embodiment is a bunker 1 assembled from sheet steel, which is supported on a profiled support frame 2.
  • the shaft part of the bunker is built in a modular design, so that the height and thus the capacity of the bunker can be varied.
  • the bottom section 3 is the finished part, which contains the loosening and discharge devices completely assembled.
  • the discharge conveyors are omitted in FIG. 1 and are only shown in FIG. 2 as screws 6, 6 'which lead to a central chute 5.
  • the bottom of the bunker has the shape of sections 7, 7', 8, 8 'of a cylinder jacket with a circular extent of approximately 60 °.
  • the circular arc sections each merge into an inclined surface 9, 9 'leaning against the bunker wall and inside into a dividing wedge 10.
  • Shafts 13, 14 (bearings 15, 16 and 17, 18) are mounted in the cylinder axis 11, 12, which is common to the curved sections 7, 7 ', 8, 8'. All over the Bearing extended shaft extensions are hubs 19, 20, 21, 22 and in turn lever arms 23, 24, 25, 26 attached to which the piston rod ends of double-acting hydraulic cylinders 27, 28 engage in pairs for the purpose of pendulum drive at an angle of approximately 60 °.
  • the hydraulic cylinders 27, 28 are each held by a slide block 29, 30 which is guided in vertical links 31, 32. In this way, the hydraulic cylinders can move around the height of the segment of a circle that passes through the outer end of the lever arm during the pendulum movement.
  • spokes 33, 34, 33 ', 34' are attached to the horizontal shafts 13, 14, which carry conveyor strips 35, 35 ', 36, 36' at the outer ends, namely two adjacent spokes each a short section the conveyor bar. Short gaps are left between the sections. The sections of the other conveyor strip lie in an overlapping arrangement in these gaps.
  • Fig. 1 shows the profile of the (hollow) conveyor bar: it is wedge-shaped, the surface facing the discharge opening being radial and thus representing the conveyor surface 37 and the surface 38 pointing in the opposite direction rising like a wedge and thus causing the bunker contents to be loosened.
  • the spokes are made of an upright flat profile, so that they cut the filter cake fragments when commuting.
  • the level of the pendulum drives is surrounded by a maintenance platform 40, which can be seen in FIGS. 2 and 3. Another stage can be at the top of the bunker shaft.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)

Abstract

The new hopper (1) for the temporary storage and controlled delivery of solid items in slabs or lumps, such as filter cakes occurring in chamber filter presses, for example, has at least one lower slot-shaped discharge opening (4, 4'), down to which the hopper bottom (7, 7', 8, 8') tapers. Serving as discharge device are conveying strips (35, 36) which are provided with a pendulum drive (23, 28, 24), oscillate about a horizontal shaft (11, 12) and scrape over the hopper bottom (7, 7', 8, 8') which is curved in the manner of a cylinder casing in the region of the discharge opening (4, 4'). There are preferably two discharge openings (4, 4') with corresponding pendulum conveying strips (7, 7', 8, 8'). The conveying strips have a wedge profile (35, 36), the tip of the wedge having a loosening effect and the rear surface having a conveying effect. <IMAGE>

Description

Die Erfindung bezieht sich auf einen Bunker zum vorübergehenden Speichern und geregelten Abgeben von platten- oder brockenförmigen Feststoffkörpern, insbesondere von in Filterpressen zur Entwässerung von Schlamm anfallenden Bruchstücken von Filterkuchen. Die Filterkuchen fallen beim Öffnen der Filterpresse in den darunterliegenden Bunker und werden dann zu Trocknung, Verbrennung oder Deponierung abtransportiert.The invention relates to a bunker for the temporary storage and controlled delivery of plate-like or lump-shaped solid bodies, in particular of fragments of filter cakes occurring in filter presses for dewatering sludge. When the filter press is opened, the filter cakes fall into the bunker underneath and are then removed for drying, incineration or landfilling.

Die bekannten Bunker weisen mindestens eine untere schlitzförmige Austragsöffnung auf, zu der der Bunkerboden verengend hingeführt ist. Unter der Austragsöffnung liegt der Abförderer, der in der überwiegenden Zahl der Fälle als Trogkettenförderer ausgebildet ist. Es kommen jedoch auch Schneckenförderer vor.The known bunkers have at least one lower slot-shaped discharge opening to which the bunker floor is narrowed. The discharge conveyor, which is designed as a trough chain conveyor in the majority of cases, lies under the discharge opening. However, screw conveyors also occur.

Es hat sich im Betrieb solcher Bunker gezeigt, daß die Bruchstücke sich in der Verengung über der Austragsöffnung verkeilen und nicht mehr nachrutschen. Als Ursache wurde die Größe der Bruchstücke gefunden. Zur Lösung dieses Problems wurde bereits vorgeschlagen (DE-A-32 07 287), in dem verengten Bereich des Bunkers Schneiddrähte oder -leisten anzuordnen, die so verlaufen, daß die abwärtsrutschenden Bruchstücke weiter zerkleinert und dabei abgebremst werden, so daß der Abförderer nicht mehr stoßartig überlastet wird. Diese Schneid- und Bremseinrichtung hat jedoch nicht die in sie gesetzten Erwartungen erfüllt. Es stellt sich daher erneut die Aufgabe, einen Bunker zu finden, bei dem es zu keinem Stau im Austragsbereich kommt und die Feststoffbruchstücke geregelt und zerkleinert ausgetragen werden können. Diese Aufgabe wird durch die in Anspruch 1 aufgeführten Merkmale gelöst. Dadurch, daß sich über die Austragsöffnung und die benachbarten Abschnitte des Bunkerbodens Förderleisten pendelnd bewegen, werden die Feststoffbruchstücke immer wieder aufgelockert und dann kontinuierlich an den Abförderer abgegeben. Dabei ist es vorteilhaft, wenn die Förderleisten keilförmiges Profil haben, wobei die zur Austragsöffnung weisende Fläche des Keils radial verläuft und somit als Förderfläche wirkt und die in die entgegengesetzte Richtung weisende Keilfläche das Anheben und Zerkleinern der Bruchstücke bewirkt. Einen verhältnismäßig gleichförmigen Austrag der Bruchstücke erreicht man, wenn nach einem Ausgestaltungsgedanken der Erfindung zwei im Winkel von etwa 90° auf der Welle befestigte Förderleisten vorgesehen sind, wobei die Keilprofile entgegengesetzt angeordnet sind und der Pendelhub nur noch etwa 45° zu betragen braucht.It has been shown in the operation of such bunkers that the fragments wedge in the constriction above the discharge opening and no longer slide. The size of the fragments was found to be the cause. To solve this problem, it has already been proposed (DE-A-32 07 287) to arrange cutting wires or strips in the narrowed area of the bunker, which run in such a way that the fragments sliding downward are further crushed and thereby braked, so that the conveyor is no longer is suddenly overloaded. However, this cutting and braking device did not meet the expectations placed on it. The task is once again to find a bunker in which there is no jam in the discharge area and the solid fragments can be regulated and crushed. This object is achieved by the features listed in claim 1. Due to the fact that conveyor bars move in an oscillating manner over the discharge opening and the adjacent sections of the bunker floor, the solid fragments are loosened again and again and then continuously released to the discharge conveyor. It is advantageous if the conveyor strips have a wedge-shaped profile, the surface of the wedge facing the discharge opening running radially and thus acting as a conveyor surface and which in the wedge surface pointing in the opposite direction causes the fragments to be lifted and crushed. A relatively uniform discharge of the fragments is achieved if, according to an embodiment of the invention, two conveyor bars are provided attached to the shaft at an angle of approximately 90 °, the spline profiles being arranged in opposite directions and the pendulum stroke only needing to be approximately 45 °.

Bunker, die von einer Großplatten-Filterpresse beaufschlagt werden, haben in der Regel rechteckigen Querschnitt, der mit der Länge und Breite der Filterpresse übereinstimmt. Bei einem solchen Bunker werden vorteilhafterweise zwei parallel zueinander liegende Austragsöffnungen vorgesehen, die dann auch die bogenförmig verlaufenden Abschnitte des Bunkerbodens und die oben beschriebenen Lockerungs- und Fördereinrichtungen erhalten. Die beiden Einrichtungen werden von einem Einzelantrieb betätigt, der z.B. als doppelwirkender Hydraulikzylinder ausgebildet ist.Bunkers that are loaded by a large-plate filter press generally have a rectangular cross-section that matches the length and width of the filter press. In such a bunker, two discharge openings lying parallel to one another are advantageously provided, which then also receive the arcuate sections of the bunker base and the loosening and conveying devices described above. The two devices are operated by a single drive, e.g. is designed as a double-acting hydraulic cylinder.

Weitere bevorzugte Ausgestaltungsmöglichkeiten der Erfindung sind in den Unteransprüchen enthalten und werden anhand der nachfolgend beschriebenen und in den Zeichnungen dargestellten Ausführungsarten näher erläutert.Further preferred design options of the invention are contained in the subclaims and are explained in more detail with reference to the embodiments described below and shown in the drawings.

Es zeigen:

Fig. 1
einen vertikalen Schnitt durch den Austragsbereich eines Bunkers mit zwei parallelen Austragsöffnungen, und zwar quer durch die Horizontalwelle der Austragseinrichtungen.
Fig. 2
einen Schnitt nach Linie II - II von Fig. 1 parallel zu den Horizontalwellen,
Fig. 3
eine Ansicht von oben auf den Bodenbereich des Bunkers.
Show it:
Fig. 1
a vertical section through the discharge area of a bunker with two parallel discharge openings, namely across the horizontal shaft of the Discharge facilities.
Fig. 2
2 shows a section along line II-II of FIG. 1 parallel to the horizontal waves,
Fig. 3
a top view of the bottom area of the bunker.

Bei dem Ausführungsbeispiel handelt es sich um einen aus Stahlblech montierten Bunker 1, der auf einem Profilträgergerüst 2 abgestützt ist. Wie Fig. 2 zeigt, ist der Schachtteil des Bunkers in Modulbauweise errichtet, so daß die Höhe und damit das Fassungsvermögen des Bunkers variiert werden kann. Der Bodenabschnitt 3 ist das Fertigteil, das die Lockerungs- und Austragseinrichtungen komplett montiert enthält. Es sind zwei schlitzförmige Austragsöffnungen 4, 4' parallel zueinander liegend vorgesehen. Die Abförderer sind in Fig.l weggelassen und nur in Fig. 2 als zu einem mittleren Fallschacht 5 hinfördernde Schnecken 6, 6' dargestellt.The exemplary embodiment is a bunker 1 assembled from sheet steel, which is supported on a profiled support frame 2. As shown in Fig. 2, the shaft part of the bunker is built in a modular design, so that the height and thus the capacity of the bunker can be varied. The bottom section 3 is the finished part, which contains the loosening and discharge devices completely assembled. There are two slot-shaped discharge openings 4, 4 'lying parallel to each other. The discharge conveyors are omitted in FIG. 1 and are only shown in FIG. 2 as screws 6, 6 'which lead to a central chute 5.

An die Austragsöffnungen 4, 4' anschließend hat der Boden des Bunkers die Form von Abschnitten 7, 7', 8, 8' eines Zylindermantels mit einer Kreiserstreckung von etwa 60°. Außen gehen die Kreisbogenabschnitte in je eine an die Bunkerwand angelehnte Schrägfläche 9, 9' und innen in einen Teilungskeil 10 über. In der den Bogenabschnitten 7, 7' 8, 8' jeweils gemeinsamen Zylinderachse 11, 12 sind Wellen 13, 14 gelagert (Lager 15, 16 bzw. 17, 18). An allen über die Lager hinausgezogenen Wellenverlängerungen sind Naben 19, 20, 21,22 und daran wiederum Hebelarme 23, 24, 25, 26 befestigt, an denen paarweise die Kolbenstangenenden von doppelwirkenden Hydraulikzylindern 27, 28 angreifen zwecks Pendelantrieb um einen Winkel von etwa 60°. Die Hydraulikzylinder 27, 28 sind je von einem Gleitbock 29, 30 gehalten, der in Vertikalkulissen 31, 32 geführt ist. Auf diese Weise können die Hydraulikzylinder sich um die Höhe des Kreissegments bewegen, das das äußere Ende des Hebelarms bei der Pendelbewegung durchläuft.Following the discharge openings 4, 4 ', the bottom of the bunker has the shape of sections 7, 7', 8, 8 'of a cylinder jacket with a circular extent of approximately 60 °. On the outside, the circular arc sections each merge into an inclined surface 9, 9 'leaning against the bunker wall and inside into a dividing wedge 10. Shafts 13, 14 (bearings 15, 16 and 17, 18) are mounted in the cylinder axis 11, 12, which is common to the curved sections 7, 7 ', 8, 8'. All over the Bearing extended shaft extensions are hubs 19, 20, 21, 22 and in turn lever arms 23, 24, 25, 26 attached to which the piston rod ends of double-acting hydraulic cylinders 27, 28 engage in pairs for the purpose of pendulum drive at an angle of approximately 60 °. The hydraulic cylinders 27, 28 are each held by a slide block 29, 30 which is guided in vertical links 31, 32. In this way, the hydraulic cylinders can move around the height of the segment of a circle that passes through the outer end of the lever arm during the pendulum movement.

Im Innern des Bunkers sind an den Horizontalwellen 13, 14 weitere Speichen 33, 34, 33', 34' befestigt, die an den äußeren Enden Förderleisten 35, 35', 36, 36' tragen, und zwar jeweils zwei benachbarte Speichen einen kurzen Abschnitt der Förderleiste. Zwischen den Abschnitten sind kurze Lücken gelassen. In diesen Lücken liegen jeweils die Abschnitte der anderen Förderleiste in überlappender Anordnung.In the interior of the bunker, further spokes 33, 34, 33 ', 34' are attached to the horizontal shafts 13, 14, which carry conveyor strips 35, 35 ', 36, 36' at the outer ends, namely two adjacent spokes each a short section the conveyor bar. Short gaps are left between the sections. The sections of the other conveyor strip lie in an overlapping arrangement in these gaps.

Fig. 1 zeigt das Profil der (hohlen) Förderleiste: es ist keilförmig, wobei die zur Austragsöffnung gerichtete Fläche radial verläuft und somit die Förderfläche 37 darstellt und die in die entgegengesetzte Richtung weisende Fläche 38 keilartig ansteigt und somit die Lockerung des Bunkerinhalts bewirkt. Die Speichen sind aus hochkant gestelltem Flachprofil, so daß sie beim Pendeln die Filterkuchen-Bruchstücke zerschneiden.Fig. 1 shows the profile of the (hollow) conveyor bar: it is wedge-shaped, the surface facing the discharge opening being radial and thus representing the conveyor surface 37 and the surface 38 pointing in the opposite direction rising like a wedge and thus causing the bunker contents to be loosened. The spokes are made of an upright flat profile, so that they cut the filter cake fragments when commuting.

Die Ebene der Pendelantriebe ist von einer Wartungsbühne 40 umgeben, die in Fig. 2 und 3 zu sehen ist. Eine weitere Bühne kann sich am oberen Ende des Bunkerschachts befinden.The level of the pendulum drives is surrounded by a maintenance platform 40, which can be seen in FIGS. 2 and 3. Another stage can be at the top of the bunker shaft.

Claims (8)

Bunker zum vorübergehenden Speichern von platten- oder brockenförmigen Feststoffkörpern, insbesondere von in Filterpressen anfallenden Bruchstücken von Filterkuchen, mit einer langgestreckten schlitzartigen unteren Austragsöffnung, zu der der Bunkerboden verengend hingeführt ist, dadurch gekennzeichnet, daß der Bunkerboden beiderseits der Austragsöffnung (4, 4') die Form von Abschnitten (7, 7',8, 8') eines Zylindermantels mit einer gemeinsamen Horizontalachse (11, 12) hat und daß in der Horizontalachse eine drehbar gelagerte Welle (13, 14) vorgesehen ist, die mit die Austragsöffnung (4, 4') und die benachbarten Abschnitte (7, 7', 8, 8') des Bunkerbodens überstreichenden, achsparallelen Förderleisten (35, 36, 35', 36') und einem Pendelantrieb (27, 28) ausgestattet ist.Bunker for temporarily storing plate-like or lump-shaped solid bodies, in particular fragments of filter cake accumulating in filter presses, with an elongated, slit-like lower discharge opening , to which the bunker floor is narrowly guided , characterized in that the bunker floor on both sides of the discharge opening (4, 4 ' ) has the form of sections (7, 7 ', 8, 8') of a cylinder jacket with a common horizontal axis (11, 12) and that a rotatably mounted shaft (13, 14) is provided in the horizontal axis, which is connected to the discharge opening ( 4, 4 ') and the adjacent sections (7, 7', 8, 8 ') of the bunker floor, axially parallel conveyor strips (35, 36, 35', 36 ') and a pendulum drive (27, 28). Bunker nach Anspruch 1, dadurch gekennzeichnet, daß in einem Bunker (1) mit rechteckigem Querschnitt zwei parallel zueinander verlaufende Austragsöffnungen (4, 4') mit zugehörigen zylindermantelförmigen Bunkerböden (7, 7', 8, 8') und horizontalachsig gelagerten Förderleisten (35, 36, 35', 36') vorgesehen sind und daß der Bunkerboden zwischen den beiden Austragsöffnungen (4, 4') spitzkeilförmig (10) nach oben gezogen ist.Bunker according to Claim 1, characterized in that in a bunker (1) with a rectangular cross-section, two discharge openings (4, 4 ') running parallel to one another with associated cylindrical jacket-shaped bunker bases (7, 7', 8, 8 ') and Conveyor strips (35, 36, 35 ', 36') with horizontal axes are provided and that the bunker floor between the two discharge openings (4, 4 ') is drawn upwards in a wedge shape (10). Bunker nach Anspruch 2, dadurch gekennzeichnet, daß die Wellen (13, 14) paarweise einen gemeinsamen Pendelantrieb (27, 28) haben.Bunker according to claim 2, characterized in that the shafts (13, 14) have a common pendulum drive (27, 28) in pairs. Bunker nach Anspruch 3, dadurch gekennzeichnet, daß der gemeinsame Pendelantrieb als doppeltwirkender Hydraulikzylinder (27, 28) ausgebildet ist.Bunker according to claim 3, characterized in that the common pendulum drive is designed as a double-acting hydraulic cylinder (27, 28). Bunker nach Anspruch 4, dadurch gekennzeichnet, daß der doppelwirkende Hydraulikzylinder (27, 28) in einer Vertikalkulisse (31) verschiebbar gelagert ist und über Hebelarme (23, 24) auf die Horizontalwellen (13, 14) wirkt.Bunker according to claim 4, characterized in that the double-acting hydraulic cylinder (27, 28) is slidably mounted in a vertical link (31) and acts on the horizontal shafts (13, 14) via lever arms (23, 24). Bunker nach einem oder mehreren der vorstehenden Ansprüche, dadurch gekennzeichnet, daß die Förderleisten (35, 36, 35', 36') ein keilförmiger Profil mit in die eine Bewegungsrichtung weisender Förderfläche (37) und in die andere Bewegungsrichtung weisender Anhubfläche (38) haben.Bunker according to one or more of the preceding claims, characterized in that the conveyor strips (35, 36, 35 ', 36') have a wedge-shaped profile with the conveying surface (37) pointing in one direction of movement and the lifting surface (38) pointing in the other direction of movement . Bunker nach Anspruch 6, dadurch gekennzeichnet, daß je Horizontalwelle (13, 14) zwei etwa im Winkel von 90° angeordnete Förderleisten (35, 36; 35', 36') vorgesehen sind, deren Profil derart entgegengesetzt ausgerichtet ist, daß die Förderflächen jeweils zur Austragsöffnung hinweisen.Bunker according to claim 6, characterized in that two horizontal conveying bars (35, 36; 35 ', 36') are provided per horizontal shaft (13, 14), the profile of which is oriented in opposite directions such that the conveying surfaces each point to the discharge opening. Bunker nach Anspruch 6 oder 7, dadurch gekennzeichnet, daß die Förderleisten in Abschnitte (35, 36, 35', 36') unterteilt sind, wobei die Abschnitte (35) der einen Förderleiste in den Lücken zwischen den Abschnitten (36) der anderen Förderleiste liegen und sich teilweise überlappen.Bunker according to claim 6 or 7, characterized in that the conveyor bars are divided into sections (35, 36, 35 ', 36'), the sections (35) of one conveyor bar in the gaps between the sections (36) of the other conveyor bar lie and partially overlap.
EP94115724A 1993-10-20 1994-10-06 Bunker with a discharge device Withdrawn EP0649799A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4335736 1993-10-20
DE19934335736 DE4335736A1 (en) 1993-10-20 1993-10-20 Bunker with discharge device

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EP0649799A1 true EP0649799A1 (en) 1995-04-26

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EP94115724A Withdrawn EP0649799A1 (en) 1993-10-20 1994-10-06 Bunker with a discharge device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103723392A (en) * 2013-12-13 2014-04-16 广西奥士达环境工程有限公司 Duplex discharger

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE667345C (en) * 1938-11-09 Oscar Bothner Fa Device for pneumatic conveying of damp, slightly clumping material from a bunker
FR2156446A1 (en) * 1971-10-20 1973-06-01 Toole Et Cie O
WO1982000284A1 (en) * 1980-07-21 1982-02-04 G Forsberg Device used in connection with containers for bulk material
FR2530157A1 (en) * 1982-07-15 1984-01-20 Proteinor Device for mixing bulk products in metered proportions particularly with a view to incorporating them in another product.
FR2616417A1 (en) * 1987-06-12 1988-12-16 Transitube Project Device comprising a hopper fitted with an extractor-doser

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3207287A1 (en) * 1982-03-01 1983-09-08 Passavant-Werke AG & Co KG, 6209 Aarbergen BUNKER
SE450584B (en) * 1983-08-08 1987-07-06 Friggerakers Verksteder Ab SET AND DEVICE FOR PROCESSING CLOTHES AND AVOID VALVE CREATION IN THE FLOOD WITH CORN-MATERIAL MATERIAL
DE3431626A1 (en) * 1984-08-29 1986-03-13 Babcock-BSH AG vormals Büttner-Schilde-Haas AG, 4150 Krefeld DEVICE FOR THE INTERMEDIATE BUNKER AND EVENLY PLANNING CONVEYOR BELTS WITH PROPERTY GOODS, IN PARTICULAR WITH SUGAR BEET CHIPS
SE452303B (en) * 1986-03-12 1987-11-23 Consilium Marine Ab EXHAUST DEVICE IN GOODS
CH671211A5 (en) * 1986-12-11 1989-08-15 Buehler Ag Geb

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE667345C (en) * 1938-11-09 Oscar Bothner Fa Device for pneumatic conveying of damp, slightly clumping material from a bunker
FR2156446A1 (en) * 1971-10-20 1973-06-01 Toole Et Cie O
WO1982000284A1 (en) * 1980-07-21 1982-02-04 G Forsberg Device used in connection with containers for bulk material
FR2530157A1 (en) * 1982-07-15 1984-01-20 Proteinor Device for mixing bulk products in metered proportions particularly with a view to incorporating them in another product.
FR2616417A1 (en) * 1987-06-12 1988-12-16 Transitube Project Device comprising a hopper fitted with an extractor-doser

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103723392A (en) * 2013-12-13 2014-04-16 广西奥士达环境工程有限公司 Duplex discharger

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