EP0842102A1 - Dispositif de soufflage avec unite soupape externe - Google Patents
Dispositif de soufflage avec unite soupape externeInfo
- Publication number
- EP0842102A1 EP0842102A1 EP97922910A EP97922910A EP0842102A1 EP 0842102 A1 EP0842102 A1 EP 0842102A1 EP 97922910 A EP97922910 A EP 97922910A EP 97922910 A EP97922910 A EP 97922910A EP 0842102 A1 EP0842102 A1 EP 0842102A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- adapter
- compressed air
- elements
- blow
- piston
- 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
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 blowing devices in accordance with the preamble of claim 1.
- Blowing devices are known which are used, in particular, to dissolve material build-up or material caking of bulk material in process engineering containers.
- they have a pressure vessel for this purpose, at the outlet of which a quick exhaust valve is provided.
- the compressed air stored in the pressure vessel can suddenly escape through a blow-out opening, which leads to the material caking becoming detached.
- document DE-U 94 04 882 discloses a blowing device for the abrupt blow-out of air, in which a housing-like adapter is provided, which can be connected to the pressure vessel and in which the quick exhaust valve is received.
- this document discloses the possibility of designing the adapter as a housing arranged outside the pressure vessel in the form of a T-tube piece.
- This arrangement opens up the basic possibility of transporting the components of the blowing device individually and separately and installing them on site by personnel who need not be specially trained for such blowing devices.
- the complex components namely in particular the quick exhaust valve
- the other components belonging to the blowing device such as the pressure vessel, can be manufactured and made available in the country to which the blowing device is exported.
- the object of the present invention is therefore to provide an adapter for accommodating quick exhaust valves for blowing devices for eliminating material build-up in process engineering containers, which can be produced as inexpensively as possible and which allows simple assembly, disassembly and maintenance.
- a device for the abrupt blow-out of air, for the elimination of material build-up or build-up in process engineering containers, with a compressed air container, at the outlet of which an adapter, preferably in Form of a T-pipe piece, is fixed, in which a quick exhaust valve is arranged.
- the compressed air which has accumulated within the compressed air tank from the manner known in the prior art, suddenly escapes after opening the quick vent valve through a blow-out nozzle which is provided on the adapter and which connects, for example, to an expansion nozzle in the Represents container wall of a process engineering container.
- the adapter is designed such that the guiding, fitting and sealing surfaces for receiving the elements of the quick exhaust valve are accessible directly or through a right angle from an opening in the adapter opposite the blow-out nozzle and are arranged on or within an envelope surface are, which extends parallel to the connection between the outlet nozzle and the opening and the position of which is defined by the edges of the opening relative to the outlet nozzle.
- This inventive arrangement of the surfaces for receiving and positioning the elements of the quick exhaust valve achieves in a simple and advantageous manner that, on the one hand, the dimensionally accurate machining of the surfaces mentioned can be carried out in one clamping on a machine tool, which increases the necessary machining time and thus the Keeps manufacturing costs low, which on the other hand also makes the assembly, disassembly and maintenance of the elements of the quick exhaust valve simple and uncomplicated, since no access from the side of the blow-out connector is necessary for this. It is preferably provided that the elements of the quick exhaust valve are fixed only by screwing or jamming elements within the adapter and, as far as possible, consist of standard parts or purchased parts. This also significantly reduces the cost of the device according to the invention.
- the piston is guided in a cylinder designed as a simple tube, which is mounted on a ring fixed to the adapter at the end facing the blow-out opening.
- the ring is arranged at a distance from the piston sealing surface of the adapter, so that when the quick exhaust valve is open, a flow-optimized and largely circumferential Steering loss-free compressed air outlet is guaranteed when the pressure vessel is fired.
- FIG. 1 shows the exemplary embodiment of an adapter with a quick exhaust valve arranged therein in the closed state
- FIG. 2 shows the adapter according to FIG. 1 in a cross-sectional view rotated by 90 °;
- FIG. 3 shows the adapter according to FIG. 1 with the quick exhaust valve arranged therein in the open state
- FIG. 4 shows the adapter according to FIG. 3 in a view rotated by 90 °
- FIG. 5 shows the detailed view of a variant of the valve piston of a quick exhaust valve according to FIG. 1;
- FIG. 6 shows a further variant of the valve piston according to FIG. 1;
- FIG. 7 shows the exemplary embodiment of an adapter with a quick exhaust valve arranged therein, corresponding to the embodiment according to FIG. 1, with an additional spring;
- FIG. 8 shows the adapter with the quick exhaust valve according to FIG. 7 arranged therein in a representation rotated by 90 °;
- FIG. 9 shows the adapter with the quick exhaust valve arranged therein, corresponding to FIG. 7 in the open position; 10 shows the adapter according to FIG. 9 in a representation rotated by 90 °;
- FIG. 11 shows a further embodiment of an adapter with a quick exhaust valve arranged therein, in a representation corresponding to FIGS. 2, 4, 8 and 10;
- FIG. 12 shows a cross section through the embodiment according to FIG. 11;
- FIGS. 11 and 12 shows a plan view of a closure element of the adapter according to FIGS. 11 and 12;
- FIG. 14 shows a cross section corresponding to FIG. 12 with a variant of the element for closing the adapter according to FIG. 11;
- FIG. 16 shows a cross section through a variation of the adapter according to FIG. 1.
- a device for the abrupt blow-out of air to remove material caking in process engineering containers is shown, with a compressed air container 1, at the outlet 2, a mounting flange 3 is arranged.
- a housing-like adapter 4 here in the form of a T-shaped housing, is fastened to the mounting flange 3 with the aid of screws 5, a seal 6 being arranged between the mounting flange 3 and the adapter housing 4.
- the adapter housing 4 consists of cast aluminum, although other materials or other manufacturing processes, such as welded structures, etc., are also conceivable.
- a blow-out nozzle 7 is provided, which is surrounded by a sealing surface 8 with bores 8a arranged therein, which serves to connect, for example, an air jet nozzle.
- a circular ring 9 is provided within the adapter housing 4, which is arranged concentrically to the opening of the outlet nozzle 7 and is held by four ribs 10 from the outer wall of the adapter housing 4.
- the adapter housing 4 and the circular ring 9 with the ribs 10 holding it is preferably made in one piece.
- An opening 11 is provided on the side of the housing 4 opposite the blow-out connector 7, which in the exemplary embodiment shown is concentric with the opening of the blow-out connector 7 and the circular ring 9 in the adapter housing 4.
- a cylinder tube 12 is arranged, which is guided and positioned through mating surfaces in the circular ring 9 and the opening 11.
- the mating surfaces on the circular ring 9 and on the opening 11 are aligned so that they are accessible directly or at right angles from the opening 11, so that the mating surfaces can be machined from the opening 11 in a clamping of the adapter housing 4.
- a piston 13 which consists of the components piston base part 13a, piston sealing element 13b, piston cover element 13c and washers 13d and the screw bolt 13e holding the elements together.
- Sealing elements 13f are provided on the side of the piston sealing element 13b facing the blowout connector 7b, the arrangement of which corresponds to the extent of an annular surface 14 which is arranged on the inward side of the blowout connector 7 and against which the piston sealing element 13b is closed Condition seals.
- the cylinder tube 12 is a preferably used commercially available hydraulic tube made of chromium-nickel material with a thin wall, which is only cut to fit. A complex custom-made cylinder tube from the solid is therefore not necessary.
- an O-ring 15 is arranged on the end of the cylinder tube 12 facing the opening 11, on which a cover 16 rests, in which a damping ring 17 is held, which dampens the recoil of the piston when the air blast device is fired.
- the cover 16 is pressed by an outer flange 18 onto the O-ring 15 or the cylinder tube 12, which is screwed onto the adapter body 4 using screws 19.
- a valve component 20 is screwed into the flange 18, which serves to pressurize or vent the piston 13, on the one hand, or to guide compressed air into the container 1, with the aid of a hollow screw 21 with the cover 16 and the flange 18 is combined into an assembly.
- the compressed air storage container 1 is filled by the compressed air acting on the surface of the piston 13 through the component 20 and the hollow screw 21, so that it is pressed onto the valve seat 14. The air then flows through the ball valve in the component 20 and an annular gap 22 or the bore 23 around the cylinder tube 12 into the container 1.
- FIG. 2 shows the same elements as FIG. 1, but the view is rotated through 90 °.
- FIG. 3 shows the same arrangement as in FIG. 1, but here the piston 13 is shown in the open position.
- the piston 13 is shown in the open position.
- FIG. 4 shows the arrangement according to FIG. 3 in a view rotated by 90 °.
- FIGS. 5 and 6 show the formation of piston sealing elements 13b as an alternative to the embodiment shown in FIG. 1. While a vulcanized sealing surface 13f is provided in the embodiment shown in FIG. 1, a sealing disk 13f is provided in the embodiment of the piston sealing element 13b shown in FIG. As can be seen from FIG. 6, as a further alternative the piston sealing element 13b can also be designed as an aluminum element with beveled surfaces for sealing.
- FIG. 7 shows a further embodiment of the adapter housing 4 with a quick exhaust valve arranged therein.
- an elongated hollow screw 21 is provided which extends through a corresponding threaded bore in the flange 18 and is preferably countered by means of a nut 21a, so that the components 16, 18 and 21 in turn form a uniform component group form.
- the bore 23 in this embodiment is designed as a thread in which a check valve 23a is screwed.
- the piston 13 is also positively controlled here by compressed air, a spring 24 is provided for use under special operating conditions to support the piston control.
- FIGS. 8 to 10 show the same embodiment as in FIG. 7, but in a view rotated by 90 ° or with the piston 13 open.
- FIGS. 8 to 10 show the same embodiment as in FIG. 7, but in a view rotated by 90 ° or with the piston 13 open.
- the advantageous free outflow cross-section above the outlet nozzle 7, which is caused by the guidance of the Elements of the quick exhaust valve within the adapter housing 4 through the annulus 9 results.
- FIG. 11 shows the cross section through a further exemplary embodiment of an adapter housing 104 with elements 12 of a quick ventilation valve arranged therein in cross section.
- the outlet 2 widens in contrast to the previously described embodiments. Men, in which the compressed air enters the valve unit via a cylindrical pipe connection, immediately behind the container 1, immediately diagonally outwards, to the outer diameter of that area of the adapter housing 104 in which the elements of the quick-exhaust valves 12 and 13 are arranged.
- the cross section of the adapter housing 104 expands from a round configuration at the outlet 2 to a rectangular configuration which corresponds in its maximum extent to the longitudinal cross section of the region of the adapter housing which receives the elements of the quick exhaust valve, so that no offset is formed, as a result of which the compressed air can flow more freely.
- the ring 9 in the exemplary embodiment shown is preferably fixed by three webs 110, the ring 9 merely having to fix the cylinder tube 12 axially and not have to absorb any vertical forces.
- FIG. 12 shows a cross section viewed from below through the embodiment of the adapter housing 104 according to FIG. 11. While a cover 16 and an outer flange 18 are provided in the embodiments described by the previous figures, these two elements are in the embodiment according to FIG. 12 summarized in a simplified manner in a cover 118.
- This combined component 118 further simplifies the assembly of the entire device. Compressed air entering through the bore 25 first strikes the piston 13 and then passes through the connecting hole 26 and the transverse bore 27 via the threaded bore 23 and through the check valve 23a into the compressed air storage container 1.
- the transverse bore 27 is in a simple manner from introduced into the cover element 118 from the outside and is sealed from the outside with a threaded screw or plug 28.
- the check valve 23a can also be arranged in the bore 27 between the connecting bore 26 and the threaded bore 23.
- FIG. 13 shows a top view of the cover element 118 according to FIG. 12.
- the threaded bore 25, the transverse bore 27, the connecting bore 26 and the threaded bore 23 can be seen here.
- FIG. 14 shows a variant of a cover 119 known from the cover element 118 known from FIG. 12, on which a raised cover 29 is placed, in which the functional features of a control unit for a 3/2 way valve are integrated .
- a reservoir 30, a check valve 31 for filling the storage container 1 and a check valve 32 in front of the reservoir 30 can be seen here.
- the functional flow is as follows. From the compressed air supply line 34, the compressed air reaches the reservoir 30 via the check valve 32.
- the reservoir 30 preferably has a volume that is approximately 2 to 2 times as large as that volume that results from the surface of the piston 13 multiplied by the stroke height of the piston 13 results.
- a bore 38 not shown in this figure, is arranged, a 3/2-way valve being arranged above the bore 38 and the bore 35, with an air flow path via the reservoir 30, the described bore 38, through the Not shown 3/2 way valve and the bore 35 is given on the top of the piston 13.
- the 3/2-way valve described is set to vented so that the air can escape via the check valve 39 and the bore 33.
- the check valve in front of the reservoir 30 ensures that the piston 13 is still pressurized and closed.
- a flat seal 36 and an O-ring 37 are also provided for sealing the raised cover 29 against the cover element 119.
- FIG. 15 shows a cross section through the raised cover element 29 known from FIG. 14, wherein the additional bore 38 described, through which the air enters the chamber 3, can be seen in particular via the elements already known from FIG. 2 way valve and then flows through the bore 35 to the top of the piston 13.
- Figure 16 shows a variation of the adapter of Figure 1. On the way to the opening
- a flange-like cover 216 is arranged directly on which the damping ring 17 is fastened, which dampens the recoil of the piston when the air blast device is fired.
- a flat sealing element 215 is arranged between the cover flange 216 and the tube 12 or the corresponding mating surface of the housing 4.
- an annular channel 222 is provided in the area of the housing 4 opposite the cover flange 216, which is connected to the bore 224 provided in the cover flange 216.
- the bore 221 is provided in the cover flange, which is connected to the space arranged above the piston 13.
- the compressed air storage container 1 is filled by pressurized air acting on the surface of the piston 13 through the bore 221 in the cover flange 216, so that it is pressed onto the valve seat 14. In addition, air flows through the bore 224 in the cover flange 216, via the ring channel 222 and the bores 23 around the cylinder tube
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Massaging Devices (AREA)
- Percussion Or Vibration Massage (AREA)
- Valve Housings (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Compressor (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
- Feeding And Controlling Fuel (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29608534U | 1996-05-10 | ||
DE29608534U DE29608534U1 (de) | 1996-05-10 | 1996-05-10 | Blasvorrichtung mit außenliegender Ventileinheit |
PCT/EP1997/002119 WO1997043195A1 (fr) | 1996-05-10 | 1997-04-24 | Dispositif de soufflage avec unite soupape externe |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0842102A1 true EP0842102A1 (fr) | 1998-05-20 |
EP0842102B1 EP0842102B1 (fr) | 2003-01-29 |
Family
ID=8023831
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97922910A Expired - Lifetime EP0842102B1 (fr) | 1996-05-10 | 1997-04-24 | Dispositif de soufflage avec unite soupape externe |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0842102B1 (fr) |
AT (1) | ATE231815T1 (fr) |
AU (1) | AU2888197A (fr) |
CA (1) | CA2226410A1 (fr) |
DE (2) | DE29608534U1 (fr) |
DK (1) | DK0842102T3 (fr) |
ES (1) | ES2189960T3 (fr) |
WO (1) | WO1997043195A1 (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19743789B4 (de) * | 1997-10-02 | 2005-10-06 | Agrichema Materialflusstechnik Gmbh & Co. Kg | Vorrichtung zum stoßartigen Ausblasen von Druckluft zur Beseitigung von Materialanbackungen von Schüttgütern in Reaktionsbehältern |
DE10101042A1 (de) * | 2001-01-11 | 2002-07-18 | Agrilux Beteilungs Gmbh | Vorrichtung zum stoßartigen Ausblasen von Druckluft zur Beseitigung von Materialanbackungen oder-aufstauungen |
DE10101041B4 (de) * | 2001-01-11 | 2014-09-18 | Agrilux Beteiligungs Gmbh | Ventileinheit für eine Vorrichtung zum stoßartigen Ausblasen von Druckluft aus einem Druckluftspeicherbehälter zur Beseitigung von Materialanbackungen und -aufstauungen |
FR2840047B1 (fr) * | 2002-05-24 | 2004-08-06 | Herve Simoens | Dispositif de decharge brusque d'air |
FR2840046B1 (fr) | 2002-05-24 | 2004-07-16 | Herve Simoens | Dispositif de decharge brusque d'air avec conduite d'ejection amelioree |
EP1555220B1 (fr) | 2004-01-14 | 2010-04-07 | Martin Engineering Company | Ensemble de vanne d'aération activé par pression |
US9650206B2 (en) | 2015-07-24 | 2017-05-16 | Dynamic Aur Inc. | Conveying systems |
Family Cites Families (4)
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 |
US3969996A (en) * | 1975-04-10 | 1976-07-20 | Dec International, Inc. | Apparatus for liquid smoke regeneration |
FR2660395B1 (fr) * | 1990-03-28 | 1992-09-18 | Financ De Gestion Soc | Valve a piston assurant l'alimentation d'une capacite puis la decharge brutale de cette capacite. |
DE9404892U1 (de) * | 1994-03-22 | 1994-05-19 | Agrichema Materialflußtechnik GmbH, 55257 Budenheim | Blasvorrichtung zum stoßartigen Ausblasen von Luft |
-
1996
- 1996-05-10 DE DE29608534U patent/DE29608534U1/de not_active Expired - Lifetime
-
1997
- 1997-04-24 AT AT97922910T patent/ATE231815T1/de not_active IP Right Cessation
- 1997-04-24 WO PCT/EP1997/002119 patent/WO1997043195A1/fr active IP Right Grant
- 1997-04-24 CA CA002226410A patent/CA2226410A1/fr not_active Abandoned
- 1997-04-24 AU AU28881/97A patent/AU2888197A/en not_active Abandoned
- 1997-04-24 DK DK97922910T patent/DK0842102T3/da active
- 1997-04-24 EP EP97922910A patent/EP0842102B1/fr not_active Expired - Lifetime
- 1997-04-24 DE DE59709221T patent/DE59709221D1/de not_active Expired - Lifetime
- 1997-04-24 ES ES97922910T patent/ES2189960T3/es not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9743195A1 * |
Also Published As
Publication number | Publication date |
---|---|
ES2189960T3 (es) | 2003-07-16 |
CA2226410A1 (fr) | 1997-11-20 |
ATE231815T1 (de) | 2003-02-15 |
WO1997043195A1 (fr) | 1997-11-20 |
AU2888197A (en) | 1997-12-05 |
EP0842102B1 (fr) | 2003-01-29 |
DE59709221D1 (de) | 2003-03-06 |
DE29608534U1 (de) | 1996-08-08 |
DK0842102T3 (da) | 2003-05-26 |
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