EP0645325B1 - Annular obturator - Google Patents

Annular obturator Download PDF

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Publication number
EP0645325B1
EP0645325B1 EP94113884A EP94113884A EP0645325B1 EP 0645325 B1 EP0645325 B1 EP 0645325B1 EP 94113884 A EP94113884 A EP 94113884A EP 94113884 A EP94113884 A EP 94113884A EP 0645325 B1 EP0645325 B1 EP 0645325B1
Authority
EP
European Patent Office
Prior art keywords
tube
slide valve
casing
annular dam
lining tube
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.)
Revoked
Application number
EP94113884A
Other languages
German (de)
French (fr)
Other versions
EP0645325A1 (en
Inventor
Thomas Fenner
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.)
Hoechst AG
Original Assignee
Hoechst AG
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6498362&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0645325(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hoechst AG filed Critical Hoechst AG
Publication of EP0645325A1 publication Critical patent/EP0645325A1/en
Application granted granted Critical
Publication of EP0645325B1 publication Critical patent/EP0645325B1/en
Anticipated expiration legal-status Critical
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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
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/54—Gates or closures
    • B65D90/62—Gates or closures having closure members movable out of the plane of the opening
    • B65D90/626—Gates or closures having closure members movable out of the plane of the opening having a linear motion

Definitions

  • the invention relates to a ring weir slide for interrupting bulk material flows flowing under gravity.
  • the interruption of bulk material flows which flow vertically under gravity in completely filled cross sections, has with the known devices, e.g. Flaps, sliders (see AT-B-214 856) or pinch valves, usually the destruction of individual particles of the bulk material, as long as they are sensitive to mechanical stress, e.g. Tablets, capsules, dragees, electronic components, glass parts and the like.
  • a ring weir slider with a casing tube which can be pushed back and forth in a pipe in the axial direction of the pipe and which lies against the inner wall of the pipe, an actuating device being provided for the casing pipe and the pipe at its inlet end with a Funnel is provided, on the supports are arranged, which carry a pyramid-shaped roof (displacement body), which has a circumferential eaves, the flow of bulk material created between the circumferential eaves and the funnel can be blocked by moving the casing into the cavity of the roof.
  • a flange can be arranged on the free edge of the funnel.
  • the actuating device for the casing can consist of an electromagnetic, hydraulic, pneumatic or mechanical drive.
  • the casing can have bevelled edges.
  • the ring weir slide can be welded or flanged to the bulk container are attached, it being expedient to coordinate the inclination of the funnel, the inclination of the bevelled edges of the casing and the inclination of the bottom of the container.
  • the pipe and thus the casing pipe and the roof can have a rectangular, square, equilateral polygonal or circular cross section.
  • the advantages of the device according to the invention are to be seen essentially in the fact that the ring weir slide valve does not require any pinched edges and seals and only minimal forces are required for its actuation. For cleaning purposes, the casing can be easily removed by pulling it out.
  • a casing tube 3 which can be pushed back and forth in the axial direction of the tube 4 is arranged.
  • the casing tube 3 lies against the inner wall 9 of the tube 4.
  • the ring weir slide has an actuating device 5, 6, 7 for the casing 3, which according to the figure consists of a drive 7 with a magnetic axial coupling 5, 6.
  • the tube 4 can be provided with a link through which a driver for the casing tube 3 engages and is guided (not shown).
  • One end of the tube 4 is provided with a funnel 2, on which supports 10 are arranged which carry a pyramid-shaped roof 1, which functions as a displacer.
  • the roof 1 can have a peripheral eaves 8.
  • a flange 11 can be arranged at the free end of the funnel 2.
  • 12 indicates the bottom of the container to which the ring weir slide is attached and 13 the bevelled edges of the casing 3.
  • the feed stream 14 moves around the pyramid-shaped roof 1, via the funnel 2 to a vertically movable casing 3, through this and flows out of the ring weir slide through the pipe 4.
  • the casing 3 is in the cavity 1A of Inserted roof 1 and thus forms the ring weir. Since the bulk material only partially penetrates into the cavity 1A of the roof 1, the particles can escape when the casing 3 is inserted into the cavity 1A of the roof 1 without being damaged.
  • the height difference ⁇ h between the upper edge 3a of the casing tube 3 and the lower edge 8a of the eaves 8 cannot be overcome by the product flow, its movement comes to a standstill.
  • the difference ⁇ R (annular space width) between the inner radius of the roof 1 and the outer radius of the casing 3, the distance A between the lower edge of the eaves 8a and the funnel 2, and the angles to be observed depend on the particle size and the flow properties of the product to be handled.

Description

Die Erfindung betrifft einen Ringwehrschieber zum Unterbrechen Von unter Schwerkraft fließenden Schüttgutströmen.The invention relates to a ring weir slide for interrupting bulk material flows flowing under gravity.

Das Unterbrechen von Schüttgutströmen, die vertikal unter Schwerkraft in vollständig gefüllten Querschnitten fließen, hat mit den bekannten Vorrichtungen, wie z.B. Klappen, Schieber (siehe hierzu AT-B-214 856) oder Quetschventilen, in der Regel die Zerstörung einzelner Partikel des Schüttgutes zur Folge, sofern diese empfindlich gegen mechanische Beanspruchung sind, wie z.B. Tabletten, Kapseln, Dragees, elektronische Bauteile, Glasteile und dergleichen.The interruption of bulk material flows, which flow vertically under gravity in completely filled cross sections, has with the known devices, e.g. Flaps, sliders (see AT-B-214 856) or pinch valves, usually the destruction of individual particles of the bulk material, as long as they are sensitive to mechanical stress, e.g. Tablets, capsules, dragees, electronic components, glass parts and the like.

Es besteht daher die Aufgabe eine Absperrvorrichtung bereitzustellen, bei der das mechanische Beanspruchen von bruchempfindlichen Schüttgut vermieden wird.It is therefore an object to provide a shut-off device in which the mechanical stress on fragile bulk goods is avoided.

Die Aufgabe wird gemäß Anspruch 1 durch einen Ringwehrschieber gelöst mit einem in einem Rohr in Achsrichtung des Rohres hin-und herschiebbaren Futterrohr, das an der Innenwand des Rohres anliegt, wobei eine Betätigungseinrichtung für das Futterrohr vorgesehen ist und das Rohr an seinem zulaufseitigen Ende mit einem Trichter versehen ist, auf dem Stützen angeordnet sind, die ein pyramidenförmiges Dach (Verdrängerkörper) tragen, das eine umlaufende Traufe aufweist, wobei der zwischen umlaufender Traufe und Trichter entstandene Schüttgutstrom Zulaufquerschnitt durch Verschieben des Futterrohres in den Hohlraum des Daches hinein versperrbar ist.The object is achieved according to claim 1 by a ring weir slider with a casing tube which can be pushed back and forth in a pipe in the axial direction of the pipe and which lies against the inner wall of the pipe, an actuating device being provided for the casing pipe and the pipe at its inlet end with a Funnel is provided, on the supports are arranged, which carry a pyramid-shaped roof (displacement body), which has a circumferential eaves, the flow of bulk material created between the circumferential eaves and the funnel can be blocked by moving the casing into the cavity of the roof.

Am freien Rand des Trichters kann ein Flansch angeordnet sein. Die Betätigungseinrichtung für das Futterrohr kann aus einem elektromagnetischen, hydraulischen, pneumatischen oder mechanischen Antrieb bestehen. Das Futterrohr kann nach innen abgeschrägte Ränder aufweisen. Der Ringwehrschieber kann durch Schweißen oder Flanschen am Schüttgutbehälter befestigt werden, wobei es zweckmäßig ist, die Neigung des Trichters, die Neigung der abgeschrägten Ränder des Futterrohres und die Neigung des Behälterbodens aufeinander abzustimmen. Das Rohr und damit das Futterrohr und das Dach können rechteckigen, quadratischen, gleichseitig vieleckigen oder kreisförmigen Querschnitt aufweisen.A flange can be arranged on the free edge of the funnel. The actuating device for the casing can consist of an electromagnetic, hydraulic, pneumatic or mechanical drive. The casing can have bevelled edges. The ring weir slide can be welded or flanged to the bulk container are attached, it being expedient to coordinate the inclination of the funnel, the inclination of the bevelled edges of the casing and the inclination of the bottom of the container. The pipe and thus the casing pipe and the roof can have a rectangular, square, equilateral polygonal or circular cross section.

Die Vorteile der erfindungsgemäßen Vorrichtung sind im wesentlichen darin zu sehen, daß der Ringwehrschieber keinerlei Quetschkanten und Dichtungen benötigt und für seine Betätigung nur geringe Kräfte erforderlich sind. Für Reinigungszwecke kann das Futterrohr durch Herausziehen leicht entfernt werden.The advantages of the device according to the invention are to be seen essentially in the fact that the ring weir slide valve does not require any pinched edges and seals and only minimal forces are required for its actuation. For cleaning purposes, the casing can be easily removed by pulling it out.

Im folgenden wird die Erfindung anhand von lediglich ein Ausführungsweg darstellender Zeichnung, die den Ringwehrschieber in Ansicht geschnitten zeigt näher erläutert. Dabei zeigt die voll ausgezeichnete Darstellung die Unterbrechung des Schüttgutstromes, die strichpunktierte Darstellung den Betrieb bei fließendem Schüttgutstrom.The invention is explained in more detail below with reference to a drawing which shows only one embodiment and shows the ring weir slider in section. The fully excellent representation shows the interruption of the bulk material flow, the dash-dotted representation shows the operation with flowing bulk material flow.

In einem Rohr 4 ist ein in Achsrichtung des Rohres 4 hin- und herschiebbares Futterrohr 3 angeordnet. Das Futterrohr 3 liegt an der Innenwand 9 des Rohres 4 an. Der Ringwehrschieber weist eine Betätigungseinrichtung 5, 6, 7 für das Futterohr 3 auf, die gemäß der Figur aus einem Antrieb 7 mit magnetischer Axialkupplung 5, 6 besteht. Bei einem mechanischen, hydraulischen oder pneumatischen Antrieb kann das Rohr 4 mit einer Kulisse versehen sein, durch die ein Mitnehmer für das Futterrohr 3 greift und geführt wird (nicht dargestellt). Das eine Ende des Rohres 4 ist mit einem Trichter 2 versehen, auf dem Stützen 10 angeordnet sind, die ein pyramidenförmiges Dach 1 tragen, das die Funktion eines Verdrängerkörpers ausübt. Das Dach 1 kann eine umlaufende Traufe 8 aufweisen. Am freien Ende des Trichters 2 kann ein Flansch 11 angeordnet sein. 12 deutet den Behälterboden an, an dem der Ringwehrschieber befestigt ist und 13 die abgeschrägten Ränder des Futterrohres 3.In a tube 4, a casing tube 3 which can be pushed back and forth in the axial direction of the tube 4 is arranged. The casing tube 3 lies against the inner wall 9 of the tube 4. The ring weir slide has an actuating device 5, 6, 7 for the casing 3, which according to the figure consists of a drive 7 with a magnetic axial coupling 5, 6. In the case of a mechanical, hydraulic or pneumatic drive, the tube 4 can be provided with a link through which a driver for the casing tube 3 engages and is guided (not shown). One end of the tube 4 is provided with a funnel 2, on which supports 10 are arranged which carry a pyramid-shaped roof 1, which functions as a displacer. The roof 1 can have a peripheral eaves 8. A flange 11 can be arranged at the free end of the funnel 2. 12 indicates the bottom of the container to which the ring weir slide is attached and 13 the bevelled edges of the casing 3.

Der Förderstrom 14 bewegt sich um das pyramidenförmige Dach 1 herum, über den Trichter 2 auf ein vertikal bewegliches Futterrohr 3 zu, durch dieses hindurch und entströmt dem Ringwehrschieber durch das Rohr 4. Zum Unterbrechen des Stromes 14 wird das Futterrohr 3 in den Hohlraum 1A des Daches 1 hineingeschoben und bildet so das Ringwehr. Da das Schüttgut in den Hohlraum 1A des Daches 1 nur teilweise eindringt, können die Partikel beim Einschieben des Futterrohres 3 in den Hohlraum 1A des Daches 1 ausweichen, ohne beschädigt zu werden. Die Höhendifferenz Δh zwischen der Oberkante 3a des Futterrohres 3 und der Unterkante 8a der Traufe 8 kann vom Produktstrom nicht überwunden werden, seine Bewegung kommt zum Erliegen. Die Differenz ΔR (Ringraumbreite) zwischen dem Innen-Radius des Daches 1 und dem Außen-Radius des Futterrohres 3, der Abstand A zwischen Traufenunterkante 8a und Trichter 2, sowie die einzuhaltenden Winkel sind abhängig von der Partikelgröße und den Fließeigenschaften des zu handhabenden Produktes.The feed stream 14 moves around the pyramid-shaped roof 1, via the funnel 2 to a vertically movable casing 3, through this and flows out of the ring weir slide through the pipe 4. To interrupt the flow 14, the casing 3 is in the cavity 1A of Inserted roof 1 and thus forms the ring weir. Since the bulk material only partially penetrates into the cavity 1A of the roof 1, the particles can escape when the casing 3 is inserted into the cavity 1A of the roof 1 without being damaged. The height difference Δh between the upper edge 3a of the casing tube 3 and the lower edge 8a of the eaves 8 cannot be overcome by the product flow, its movement comes to a standstill. The difference ΔR (annular space width) between the inner radius of the roof 1 and the outer radius of the casing 3, the distance A between the lower edge of the eaves 8a and the funnel 2, and the angles to be observed depend on the particle size and the flow properties of the product to be handled.

Claims (5)

  1. An annular dam slide valve having a lining tube (3) which is slidingly reciprocatable in a tube (4) in the direction of the axis of said tube (4) and which lies against the inner wall of said tube (4), an actuating device (5, 6, 7) being provided for the lining tube (3) and the tube (4) being provided at its end on the feed side with a hopper (2) on which supports (10) are arranged which carry a pyramidal roof (1) provided with peripheral eaves (8), it being possible to shut off the feed cross-section of the stream of bulk material produced between the peripheral eaves (8) and the hopper (2) by displacing the lining tube into the cavity of the roof.
  2. The annular dam slide valve as claimed in claim 1, wherein a flange (11) is arranged on the free edge of the hopper (2).
  3. The annular dam slide valve as claimed in claim 1 or 2, wherein the actuating device (5, 6, 7) for the lining tube (3) consists of a drive (7) having an axial magnetic coupling (5, 6).
  4. The annular dam slide valve as claimed in either of claims 1 and 2, wherein the actuating device (5, 6, 7) for the lining tube (3) consists of a hydraulic cylinder.
  5. The annular dam slide valve as claimed in claim 1, wherein the lining tube (3) has inwardly bevelled edges (13).
EP94113884A 1993-09-23 1994-09-05 Annular obturator Revoked EP0645325B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4332295 1993-09-23
DE4332295A DE4332295A1 (en) 1993-09-23 1993-09-23 Ring weir slider

Publications (2)

Publication Number Publication Date
EP0645325A1 EP0645325A1 (en) 1995-03-29
EP0645325B1 true EP0645325B1 (en) 1997-08-13

Family

ID=6498362

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94113884A Revoked EP0645325B1 (en) 1993-09-23 1994-09-05 Annular obturator

Country Status (4)

Country Link
US (1) US5531421A (en)
EP (1) EP0645325B1 (en)
JP (1) JPH07151245A (en)
DE (2) DE4332295A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1038802B1 (en) * 1999-03-24 2002-08-14 Ivan Semenenko Material handling apparatus
GB2333287B (en) * 1999-03-24 2002-08-21 Ivan Semenenko Material handling apparatus
DE10322270A1 (en) * 2003-05-16 2004-12-23 Chemgineering Gmbh Handling system for feed of spherical bulk supplies, pills or tablets or capsules uses a two-stage feed pipe closing system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE214856C (en) *
DE212719C (en) *
DE144034C (en) *
AT214856B (en) * 1959-02-17 1961-04-25 Leonhard Kaesweber Device for discharging from silos, bunkers or the like. Round containers for feed
US3321177A (en) * 1964-08-06 1967-05-23 Specialties Dev Corp Valve for fluid medium under pressure
DE2161605A1 (en) * 1971-12-11 1973-06-14 Linde Ag MAGNETIC VALVE
DD144034A1 (en) * 1979-05-28 1980-09-24 Gerhard Trauer EMPTYING DEVICE AT SILOS
DD212719A1 (en) * 1983-01-13 1984-08-22 Orgreb Inst Kraftwerke ADJUSTABLE EJECTOR RING STUES
JPH02292583A (en) * 1989-02-17 1990-12-04 Yaskawa Electric Mfg Co Ltd Electrically driven control valve
US5351934A (en) * 1992-12-15 1994-10-04 Alliedsignal, Inc. Proportional solenoid valve

Also Published As

Publication number Publication date
DE4332295A1 (en) 1995-03-30
EP0645325A1 (en) 1995-03-29
US5531421A (en) 1996-07-02
JPH07151245A (en) 1995-06-13
DE59403712D1 (en) 1997-09-18

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