EP1528013A1 - Luftstossgeräte mit innenliegender, oben angeordneter Ventileinheit - Google Patents
Luftstossgeräte mit innenliegender, oben angeordneter Ventileinheit Download PDFInfo
- Publication number
- EP1528013A1 EP1528013A1 EP04025581A EP04025581A EP1528013A1 EP 1528013 A1 EP1528013 A1 EP 1528013A1 EP 04025581 A EP04025581 A EP 04025581A EP 04025581 A EP04025581 A EP 04025581A EP 1528013 A1 EP1528013 A1 EP 1528013A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- pressure vessel
- cylinder
- valve unit
- air
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 2
- 238000007664 blowing Methods 0.000 claims 1
- 230000008030 elimination Effects 0.000 claims 1
- 238000003379 elimination reaction Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 14
- 238000011049 filling Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000013022 venting Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010327 methods by industry Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
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
- B65D88/70—Large containers characterised by means facilitating filling or emptying preventing bridge formation using fluid jets
- B65D88/703—Air blowing devices, i.e. devices for the sudden introduction of compressed air into the container
Definitions
- the present invention relates to an air blast apparatus according to the preamble of claim 1.
- Air blast equipment has long been in storage containers, such as silos or in process engineering Facilities are known to caking with appropriate air blasts or shocks with dissolve inert gas.
- the valve unit is arranged substantially inside the compressed air tank while in the case of air blowers with an external valve unit outside the compressed air tank is arranged.
- Internal valve units have the advantage that in case of malfunction or valve damage, the valve parts, which are explosive due to the pending compressed air can not be thrown out of the area uncontrollably and may cause personal injury and property damage, but trapped in the stable pressure vessel are.
- valve unit In the air blast devices with internal valve unit one further distinguishes air blast equipment with underlying valve units, as in DE 38 00 114 A1 or DE 37 42 489 C2, as well as overhead valve units, such as in DE 2 402 001. Bottom here means that the valve unit arranged in the vicinity of the outlet opening is, while in overhead valve units, the valve unit at the outlet opening is provided opposite side of the pressure vessel, so that the exhaust pipe essentially through the entire pressure vessel or a large part of it must extend.
- Air blast units with internal and overhead valve unit also have the advantage that the valve unit with the piston is relatively far away from the outlet opening, then that in systems with high heat development, the valve unit of a lower temperature load is exposed. Another advantage of such an air blast is that the valve unit is better accessible from the outside.
- valve control to be so designed can, that at first only the piston antechamber with compressed air or corresponding gas acted upon is and only after closing the valve, the compressed air tank preferably over a connecting line is filled with an overflow or check valve.
- the quick exhaust valve to close the Pipe is closed and no compressed air or corresponding gas over the open Pressure vessel can escape. This is v. a. then advantageous if several air blasts connected in series, since then the filling of the air blast equipment completely can be done automatically.
- Valve cylinder To achieve a dense Kolbenvorraums it has proved to be advantageous in the Valve cylinder to provide a valve outlet side opposite lid, the can be inserted over a circumferential nozzle on the valve cylinder, with between Cylinder wall and bonnet a seal, especially in the form of an O-ring is provided, which ensures a good seal.
- the lid can also be made very compact, so that in the Cover further the valve control or essential parts thereof can be integrated, such as B. a multi-way valve or 3/2-way valve, overflow or check valves, Connecting lines etc.
- valve cylinder and exhaust pipe are releasably connected together, for example via pin connections, screw or a threaded connection.
- valve outlet is provided for connecting the valve cylinder and exhaust pipe, the at the same time as a piston impact ring or valve seat for the piston of the valve unit can serve.
- This impact ring can be welded, for example, with the exhaust pipe and be connected to the valve cylinder by pin or screw connections.
- valve outlet port or piston impact ring and the valve cylinder made of a stainless steel material, in particular a chromium-nickel steel and in particular the valve cylinder is honed on the inner surface, whereby high-quality sliding rings can be used.
- the detachable arrangement of the discharge pipe and valve unit in the pressure vessel may preferably be achieved in that the pressure vessel in its container bottoms or Has cylinder ends at least one, but preferably two so-called.
- Block flanges, the can be welded to the container bottoms and where the exhaust pipe via a or more mounting flanges or the valve unit via the valve cover with the Pressure vessel can be bolted.
- FIG. 1 is a sectional view of an inventive air blast apparatus with a pressure vessel 1, whose wall 2 has a cylindrical shape.
- a pressure vessel 1 whose wall 2 has a cylindrical shape.
- To the Both cylinder ends of the pressure vessel 1 are opposite to each other preferably centrally two pressure flanges 3 and 4 provided in the container wall 2, which expediently are welded to the bottom of the container 2.
- the exhaust pipe 7, which is coaxial with the longitudinal axis of the pressure vessel 1 the container center to the outlet opening 29 opposite and upper side of the cylinder of the pressure vessel is at its in Fig. 1 upper end at 10 with a valve outlet 9 welded in the form of a piece of pipe.
- valve outlet 9 is connected via a thread 11 with a valve cylinder 12 of the valve unit screwed, which forms the housing for a valve piston 13 in the valve cylinder 12 is arranged movable.
- valve unit consisting of valve cylinder 12 and piston 13 in the open position, in which the piston 13 is lifted upwards from the flange 9 and the valve opening of the flange 9 releases.
- air or gas which in the pressure vessel 1 under high Pressure is stored, abruptly on the exhaust pipe 7 and the passage openings 29th the mounting flanges 5 and 6 escape.
- the valve cylinder 12 and the valve outlet nozzle 9 are preferably made of stainless steel, in particular of a chromium-nickel steel manufactured and the valve cylinder 12 inside appropriately honed.
- the valve cylinder 12 is at its end opposite the outlet side with a Lid 15 is closed, which has a circumferential neck 14 in the valve cylinder 12th intervenes.
- a seal 24 for example an O-ring, which provides a tight connection the lid 15 is ensured with the valve cylinder 12 (see Fig. 2).
- the Piston check is preferably a damping ring 32 disposed in the cylinder 12.
- valve control is shown in Fig. 1 in a schematic manner.
- the valve unit with valve cylinder 12 and piston 13, which is substantially within of the pressure vessel 1 is, via the supply line 16 with compressed air or supplied pressurized gas, this via a check valve 18 and a buffer tank 17 and a 3/2-way valve 19 in the piston chamber 30 between Lid 15 and piston 13 of the valve unit passes.
- the piston 13 from the open position shown in Fig. 1 in a closed position moves, in which the piston 13 with its underside on the valve outlet nozzle 9 rests and thus closes the valve.
- FIG. 2 shows a cross-sectional view of a similar representation to FIG Another embodiment of an air blast apparatus according to the invention, in which substantially only the control elements for the valve unit have been integrated into the cover 15 are. Accordingly, similar parts are provided with the same reference numerals as in the embodiment of Fig. 1.
- Another difference from the embodiment of Fig. 1st exists in the connection between valve cylinder 12 and valve outlet 9.
- the exhaust pipe 7 is not bolted to the valve cylinder 12 via the valve outlet 9 but the valve outlet 9 is via pin connections 28 or equivalent Screw connections connected to the valve cylinder 12.
- Figs. 3 to 5 show a further embodiment, which is essentially only by the constructive arrangement of individual elements of the valve control of the previous embodiments, as the inventive air blast device operates in the various operating states filling, firing and venting.
- Fig. 3 the operating state filling is shown, wherein the arrows the air or gas supply Show.
- the air or gas supply 16 and the check valve 18 through the reservoir 17, the air and the gas in the Kolbenvorraum 30 guided, wherein the 3/2-way valve is set so that a corresponding Connection is present.
- a correspondingly high pressure is constructed, via the check valve 21 and the connecting line 22 of the pressure vessel filled.
- the 3/2-way valve 19 is in a position brought in the Kolbenvorraum 30 is connected to the vent 20. This will the piston 13 by the upcoming pressure in the pressure vessel 1 in the direction of the valve cylinder cover 15 shifted so that the air or gas contained in the pressure vessel 1 is, can escape abruptly via the exhaust pipe 7.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Check Valves (AREA)
- Toys (AREA)
- Massaging Devices (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
Description
- Fig. 1
- eine Schnittansicht sowie teilweise Schemadarstellung eines erfindungsgemäßen Luftstoßgerätes;
- Fig. 2
- eine weitere Schnittansicht eines erfindungsgemäßen Luftstoßgerätes; und in
- Fig. 3 bis 5
- Schnittansichten einer weiteren Ausführungsform des erfindungsgemäßen Luftstoßgerätes bei den verschiedenen Betriebszuständen Füllen, Abschuss und Entlüften.
Claims (11)
- Luftstoßgerät zum schlagartigen Ausstoßen von gasförmigen Medien, vorzugsweise Luft oder Inertgase, insbesondere zur Lösung von Anbackungen und Beseitigung von Fließproblemen in verfahrenstechnischen Geräten, wie Silos und dergleichen mit einem Druckbehälter (1) zum Aufbewahren des gasförmigen Mediums unter Druck und einer Ventileinheit mit Zylinder (12) und darin beweglichem Kolben (13) zum schlagartigen Ausblasen des gespeicherten Mediums, wobei die Ventileinheit im wesentlichen innerhalb des Druckbehälters (1) angeordnet ist und ein Ausblasrohr (7) schließen und öffnen kann, über welches das gasförmige Medium ausgeblasen wird, und wobei die Austrittsseite des Ausblasrohres an einer Seite des Druckbehälters angeordnet ist und die das Ausblasrohr verschließende Ventileinheit an der gegenüberliegenden Seite des Druckbehälters vorgesehen ist, so dass sich das Ausblasrohr im Wesentlichen durch den Druckbehälter (1) erstreckt,
dadurch gekennzeichnet, dass
die Ventileinheit (12, 13) und das Ausblasrohr (7) jeweils lösbar in dem Druckbehälter (1) angeordnet sind. - Luftstoßgerät nach Anspruch 1,
dadurch gekennzeichnet, dass
in der Ventileinheit (12, 13) zwischen Kolben (13) und einem den Ventilzylinder (12) gegenüber der Ventilaustrittsseite abschließenden Deckel (15) ein Kolbenvorraum (30) ausgebildet ist, wobei die Zufuhr des gasförmigen Mediums so gestaltet ist, dass zunächst der Kolbenvorraum (30) des Ventilzylinders (12) zwischen Ventilkolben (13) und Deckel (15) beaufschlagt wird und erst nachfolgend der Druckbehälter (1). - Luftstoßgerät nach Anspruch 3,
dadurch gekennzeichnet, dass
der Kolbenvorraum (30) und der Druckbehälter (1) über eine Leitung mit einem Überström- und Rückschlagventil (21) verbunden sind. - Luftstoßgerät nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass
der Ventilzylinder (12) einen der Ventilaustrittsseite gegenüberliegenden Deckel (15) umfasst, der insbesondere über einen umlaufenden Stutzen (14) auf den Ventilzylinder (12) gesteckt ist, wobei zwischen Zylinderwand und Deckelstutzen eine Dichtung (24) insbesondere in Form eines O-Rings vorgesehen ist, über den Deckel (15) und Ventilzylinder (12) gasdicht miteinander verbunden sind, so dass ein dichter Kolbenvorraum (30) ausgebildet ist. - Luftstoßgerät nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass
in einem der Ventilaustrittsseite gegenüberliegenden Deckel (15) des Ventilzylinders (12) die Elemente der Ventilsteuerung, wie 3/2-Wegeventil (19), Rückschlagventile(18, 21, 23), Verbindungsleitungen (22) oder dergleichen oder Teile davon integriert sind. - Luftstoßgerät nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass
der Ventilzylinder (12) mit dem Ausblasrohr (7) lösbar verbunden ist, insbesondere über Stiftverbindungen (28) oder durch Verschraubung (11). - Luftstoßgerät nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass
zwischen Ventilzylinder (12) und Ausblasrohr (7) ein Ventilausgangsstutzen (9) als Ventilsitz insbesondere aus Chrom-Nickel-Stahl vorgesehen ist, der insbesondere mit dem Ausblasrohr (7) fest verbunden, vorzugsweise verschweißt ist. - Luftstoßgerät nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass
in den Behälterböden des Druckbehälters (1) mindestens ein, vorzugsweise zwei Blockflansche (3, 4) vorgesehen sind, wobei mit dem mindestens einen Blockflansch (3) das Ausblasrohr (7) vorzugsweise über einen oder mehrere Befestigungsflansche (5, 6) lösbar verbunden, vorzugsweise verschraubt ist, und wobei vorzugsweise an dem zweiten Blockflansch (4) die Ventileinheit (12, 13) insbesondere über einen Deckel (15) angeordnet, insbesondere verschraubt ist. - Luftstoßgerät nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass
der Durchmesser der Austrittsöffnung (27) der Ventileinheit (12, 13) oder des Ventilausgangsstutzen (9) kleiner als der Durchmesser des Ausblasrohres (7) sein kann, wobei insbesondere die Länge des Ausblasrohres ein Mehrfaches seines Durchmessers betragen kann. - Luftstoßgerät nach Anspruch 9,
dadurch gekennzeichnet, dass
die Austrittsöffnung (27) der Ventileinheit kontinuierlich, stufenartig oder schrittweise auf den Durchmesser des Ausblasrohrs (7) erweitert werden kann, und zwar insbesondere im Bereich des Ventilausgangsstutzen (9). - Luftstoßgerät nach einem der Ansprüche 7 bis 10,
dadurch gekennzeichnet, dass
der Ventilausgangsstutzen (9) eine Durchtrittsöffnung (29) für das ausströmende gasförmige Medium aufweist, welche einen kleineren Durchmesser als das Ausblasrohr (7) und die Austrittsöffnung (29) des Flansches (5, 6) aufweisen kann.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20316754U DE20316754U1 (de) | 2003-10-31 | 2003-10-31 | Luftstoßgerät mit innenliegender, oben angeordneter Ventileinheit |
DE20316754U | 2003-10-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1528013A1 true EP1528013A1 (de) | 2005-05-04 |
EP1528013B1 EP1528013B1 (de) | 2006-06-28 |
Family
ID=30010982
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04025581A Active EP1528013B1 (de) | 2003-10-31 | 2004-10-27 | Luftstossgeräte mit innenliegender, oben angeordneter Ventileinheit |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1528013B1 (de) |
AT (1) | ATE331674T1 (de) |
DE (2) | DE20316754U1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1918221A1 (de) * | 2006-10-30 | 2008-05-07 | Agrilux Beteiligungs GmbH | System von Luftstoßgeräten |
US7837062B2 (en) * | 2006-03-10 | 2010-11-23 | Martin Engineering Company | Air cannon for removal of flowable material from a material handling system |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070209648A1 (en) * | 2006-03-10 | 2007-09-13 | Martin Engineering Company | Air cannon for removal of flowable material from a material handling system |
DE202010012637U1 (de) | 2010-09-15 | 2010-11-18 | Agrilux Beteiligungs Gmbh | Luftstoßvorrichtung mit einem Luftstoßgerät mit daran angeordneter Heißbranddüse |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3788527A (en) * | 1973-01-22 | 1974-01-29 | Martin Eng Co | Quick-release aerator for introducing high pressure air into a container to facilitate dispensing |
US3915339A (en) * | 1974-07-08 | 1975-10-28 | Matson C G | Quick-release aerator for introducing high pressure air into a container to facilitate dispensing |
EP0097236A1 (de) * | 1982-06-23 | 1984-01-04 | VSR Engineering GmbH Fördertechnik | Blasvorrichtung zum Beseitigen von Aufstauungen in Lagersilos für Schüttgut |
EP0246617A2 (de) * | 1986-05-21 | 1987-11-25 | AGRICHEMA Materialflusstechnik GmbH | Luftstossgerät zur Auflösung von Materialsaufstauungen in Lagersilos für Schüttgut |
DE9404892U1 (de) * | 1994-03-22 | 1994-05-19 | Agrichema Materialflußtechnik GmbH, 55257 Budenheim | Blasvorrichtung zum stoßartigen Ausblasen von Luft |
US20030132242A1 (en) * | 2002-01-16 | 2003-07-17 | Global Manufacturing, Inc. | Blast aerator with springless, pneumatically dampened actuator |
-
2003
- 2003-10-31 DE DE20316754U patent/DE20316754U1/de not_active Expired - Lifetime
-
2004
- 2004-10-27 EP EP04025581A patent/EP1528013B1/de active Active
- 2004-10-27 AT AT04025581T patent/ATE331674T1/de active
- 2004-10-27 DE DE502004000872T patent/DE502004000872D1/de active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3788527A (en) * | 1973-01-22 | 1974-01-29 | Martin Eng Co | Quick-release aerator for introducing high pressure air into a container to facilitate dispensing |
US3915339A (en) * | 1974-07-08 | 1975-10-28 | Matson C G | Quick-release aerator for introducing high pressure air into a container to facilitate dispensing |
EP0097236A1 (de) * | 1982-06-23 | 1984-01-04 | VSR Engineering GmbH Fördertechnik | Blasvorrichtung zum Beseitigen von Aufstauungen in Lagersilos für Schüttgut |
EP0246617A2 (de) * | 1986-05-21 | 1987-11-25 | AGRICHEMA Materialflusstechnik GmbH | Luftstossgerät zur Auflösung von Materialsaufstauungen in Lagersilos für Schüttgut |
DE9404892U1 (de) * | 1994-03-22 | 1994-05-19 | Agrichema Materialflußtechnik GmbH, 55257 Budenheim | Blasvorrichtung zum stoßartigen Ausblasen von Luft |
US20030132242A1 (en) * | 2002-01-16 | 2003-07-17 | Global Manufacturing, Inc. | Blast aerator with springless, pneumatically dampened actuator |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7837062B2 (en) * | 2006-03-10 | 2010-11-23 | Martin Engineering Company | Air cannon for removal of flowable material from a material handling system |
EP1918221A1 (de) * | 2006-10-30 | 2008-05-07 | Agrilux Beteiligungs GmbH | System von Luftstoßgeräten |
CN102105370B (zh) * | 2008-07-24 | 2014-06-11 | 马丁工程公司 | 用于从材料处理系统除去可流动材料的空气炮 |
Also Published As
Publication number | Publication date |
---|---|
DE20316754U1 (de) | 2003-12-24 |
DE502004000872D1 (de) | 2006-08-10 |
EP1528013B1 (de) | 2006-06-28 |
ATE331674T1 (de) | 2006-07-15 |
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