EP1214259A1 - Dispositif de dosage de matieres en vrac - Google Patents
Dispositif de dosage de matieres en vracInfo
- Publication number
- EP1214259A1 EP1214259A1 EP00958504A EP00958504A EP1214259A1 EP 1214259 A1 EP1214259 A1 EP 1214259A1 EP 00958504 A EP00958504 A EP 00958504A EP 00958504 A EP00958504 A EP 00958504A EP 1214259 A1 EP1214259 A1 EP 1214259A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- register
- suspension arm
- registers
- flange
- shaft
- 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
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/54—Gates or closures
- B65D90/58—Gates or closures having closure members sliding in the plane of the opening
- B65D90/582—Gates or closures having closure members sliding in the plane of the opening having a rotational motion
-
- 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
- B65D2590/00—Component parts, details or accessories for large containers
- B65D2590/54—Gates or closures
- B65D2590/547—Gates or closures in multiple arrangement
-
- 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
- B65D2590/00—Component parts, details or accessories for large containers
- B65D2590/54—Gates or closures
- B65D2590/66—Operating devices therefor
- B65D2590/664—Operating devices therefor actuating mechanism other than manual, e.g. pneumatic, electropneumatic, hydraulic, electromagnetic
Definitions
- the present invention relates to a device for dosing bulk materials, in particular for feeding a blast furnace.
- Such a bulk material metering device is presented for example in patent application EP-A-0 062 770, where it equips the flow orifice of a storage enclosure which is mounted above an oven to tank. It is arranged in the axis of the furnace and comprises, inside a sealed cage, two superimposed registers in the form of a spherical cap provided with cutouts in the shape of a "V". The two registers are supported on one side by the same pivot shaft around which they can rotate freely. This pivot shaft is housed in a first bearing of the sealed cage. On the side diametrically opposite to this first shaft, the upper register is integral with a shaft coaxially passing through a hollow shaft integral with the lower register. The hollow shaft is housed in a second bearing of the sealed cage. A drive mechanism, housed outside the sealed cage, actuates the two coaxial shafts and thus makes it possible to move the two registers in synchronism and in opposite directions. Such a drive mechanism is for example described in patent application EP-A-0 134 918.
- the two cutouts combine their effects to determine and vary the flow section, which allows symmetrical material flow around the axis of the furnace.
- a metering device is bulky and the replacement of registers is complex.
- the two registers are obviously wearing parts which must be replaced from time to time. Hence the interest in facilitating their replacement.
- the object of the present invention is therefore to provide a metering device with easily replaceable registers. According to the invention, this objective is achieved by a metering device according to claim 1.
- a material metering device comprises a first and a second rotary register.
- Shafts arranged on either side of the registers support the two registers and allow their rotation about a common axis of rotation.
- a first of these trees is arranged on one side of the two registers, and a second of these trees is arranged on the opposite side.
- a drive mechanism is connected to the shafts to rotate two registers in opposite directions.
- each rotary register is supported by a first suspension arm and by a second suspension arm, which extend on either side of the respective register. The first shaft and the second shaft are driven in opposite directions by the drive mechanism.
- the first suspension arm of the first register is detachably attached to the first shaft and the first suspension arm of the second register is detachably attached to the second shaft.
- the second suspension arm of the second register is hingedly connected to the first suspension arm of the first register and the second suspension arm of the first register is hingedly connected to the first suspension arm of the second register.
- the first suspension arm of the first register comprises a first fixing flange and the first shaft comprises a first counter-flange.
- the first flange is detachably fixed, face against face, on said first counter flange.
- the first flange includes a first pivot projecting from the side opposite to said first counter flange.
- the second arm of the second register is articulated on said first pivot.
- the first suspension arm of the second register comprises a second fixing flange and the second shaft comprises a second counter-flange.
- the second flange is detachably fixed, face against face, on said second counter flange.
- the second flange includes a second pivot projecting from the side opposite to said second counter flange.
- the second arm of the first register is articulated on said second pivot. Thanks to the flanges and counter flanges, the first arms of each damper are quickly removed from their respective shafts. In fact, it suffices to detach the flanges and the counter-flanges, for example by unscrewing bolts, then to extract the register unit up or down.
- an axial space is provided on the first pivot between the second arm of the second register and the first arm of the first register.
- an axial space is provided on the second pivot between the second arm of the first register and the first arm of the second register.
- the registers no longer have the shape of a spherical cap, but they have the shape of a cylindrical cap, which is provided with a cut of suitable shape, for example a cut in the shape of " V ".
- the drive mechanism comprises a main shaft and two connecting rods.
- the two shafts each include a crank, and the connecting rods connect the main shaft to the cranks so as to produce two rotations in opposite directions.
- the use of a main shaft connected to the two shafts has the advantage of causing the two shafts to rotate in synchronism.
- the rotation of the main shaft around its longitudinal axis can for example be produced by a hydraulic cylinder, which allows precise and direct control of the rotational movement, in one direction or the other, depending on whether it lengthens or shrinks.
- Fig.1 perspective view of a register dosing device according to the invention
- Fig.2 partial sectional view of the suspension of the registers of the device in Fig.1
- Fig.3 rear view of the device in Fig.1 during disassembly;
- Fig.4 rear view of the device of Fig.1, showing a drive mechanism for the registers
- Fig. 5 the assembly of Fig. 4 left view
- Fig. 6 the assembly of Fig. 4 right view
- Fig.7 sectional view of the metering device of Fig. 1 in the closed position
- Fig.8 sectional view of the metering device of Fig. 1 in the open position.
- Fig.1 shows a perspective view of a preferred embodiment of a bulk material metering device 10 according to the invention.
- a wear cone 12 of a storage enclosure 14 ends in a cylindrical flow pipe 16 placed upstream and in the axis of a shaft furnace
- the metering device 10 is arranged under the storage enclosure 14, in a sealed cage 17 (represented by two wall portions) located between the storage enclosure 14 and the oven. It comprises, below the lower end of the flow pipe 16, a first register or upper register 18 and a second register or lower register 20, placed below the upper register 18 (see also FIG. 7).
- a drive mechanism which is not shown in FIG. 1, but which is generally identified by the reference 27 in FIGS. 4 to 6, makes it possible to drive the two shafts 24 and 26 in synchronism and opposite directions so that two “V” cutouts 22 in the registers 18, 20 determine a diamond-shaped central flow opening between the two registers 18 and 20. It will be noted that in FIG. 1, the cutout 22 in the upper register 18 is covered by the lower register 20. In this position of the registers 18, 20, the metering device 10 is in a closed position, completely preventing the flow of material out of the tubing d flow 16.
- Each register 18, 20 is supported by a first suspension arm and a second suspension arm, which extend on either side of the respective register.
- the first suspension arm 28 of the upper register 18 is detachably fixed to the first shaft 24.
- the first suspension arm 30 of the lower register 20 is detachably fixed to the second shaft 26.
- the second suspension arm 32 of the lower register 20 is articulated on the first suspension arm 28 of the upper register 18, and the second suspension arm 34 of the upper register 18 is articulated on the first suspension arm 30 of the lower register 20.
- the drive mechanism drives the two shafts 24 and 26 in opposite directions, which allows the opening and closing of the two registers.
- Fig.2 shows a partial sectional view of the side of the second shaft 26.
- the first suspension arm 30 of the lower register 20 ends with a fixing flange 36 which is detachably fixed, for example bolted, on a counter-flange 38 of the second shaft 26.
- the flange 36 comprises a pivot 40 which projects on the side opposite to the counter-flange 38 and which hingedly supports the second suspension arm 34 of the upper damper 18.
- the flange 36 and the counter-flange 38 are executed in the form of two plates fixed face to face, in a vertical plane.
- the pivot 40 is fixed at the center of the flange 36, in the axis of the second shaft 26.
- the second suspension arm 34 of the upper register 18 ends in a suspension tab 42 with a bore through which the pivot 40 passes, so to be articulated on this pivot 40.
- a socket 44 reduces friction.
- the first suspension arm 28 of the upper register 18 ends with a fixing flange 46 which is fixed to a counter flange 48 of the first shaft 24.
- the flange 46 comprises a pivot 50 which projects from the side opposite to the counter flange 48 and which hingedly supports the second suspension arm 32 of the lower register 20.
- the second suspension arm 32 of the lower register 20 ends with a suspension lug 52 with a bore provided with a bushing and traversed by the pivot 50 .
- each register 18, 20 is carried by a first suspension arm which ends in a flange and by a second suspension arm which ends in a support tab. While a first arm of a register is driven by one of the shafts, this same first arm supports in an articulated manner the second arm of the other register. This arrangement gives a visual impression of crossing between the first suspension arm of one register and the second suspension arm of the other register.
- each flange 36, 46 from its respective counter-flange 38, 48, in order to completely separate each first suspension arm 28, 30 from its respective shaft 24, 26.
- the suspension arms 28, 30, 32, 34 with the registers 18, 20 then form a register unit which can be extracted as it is, either from the top or from the bottom of the sealed cage 17. It is not necessary to dismantle the shafts 24, 26.
- FIG. 4 is another rear view of the metering device 10 on which the drive mechanism is represented. To facilitate the rotation of the shafts 24 and 26, each of them is carried by a bearing box 58 housed in the wall of the sealed cage 17.
- each shaft 24, 26 ending in the counter-flange 38 , 48 opens into the sealed cage 17, the rest extends outside the cage 17.
- a main shaft 60 carried in bearings 62 outside the sealed cage 17, extends over the entire width of the metering device 10 and controls the rotation of the shafts 24 and 26 by means of rod-crank systems.
- a crank 64 resp. 66 connects the respective shaft to one end of a connecting rod 68 resp. 70, see Fig. 5 and 6.
- the other end of the connecting rod 68 resp. 70 is connected by a main crank 72 resp. 74 to the main shaft 60.
- a hydraulic cylinder 76 is connected to the main shaft 60 by means of a control crank 78 and controls the rotation of the main shaft 60 in both directions around its longitudinal axis.
- the cylinder 76 can be replaced by other drive means such as for example a rotary motor.
- the drive mechanism is adjusted so that rotation of the main shaft 60 produces rotation of the registers 18 and 20 in opposite directions.
- the two "V" shaped cutouts 22 co-operate to define a central diamond-shaped flow opening, the passage cross section of which varies gradually.
- Figs. 5 and 6 show a left view, respectively a right view, of the assembly of Fig.4.
- the registers 18 and 20 are in the closed position.
- an extension of the jack generates a rotation of the main shaft 60 clockwise, seen from the side of FIG. 5, which causes the rotation of the crank 64 and of the upper register 18 clockwise, as indicated by the arrows.
- Seen in Fig.6 the rotation of the main shaft 60 is done accordingly in the opposite direction to the clockwise.
- the crank 66 and the lower register 20 are driven clockwise, as indicated by the arrows.
- the two registers 18 and 20 are therefore open in synchronism and in opposite directions.
- the support tab 42 of the second suspension arm 34 of the upper register 18 is provided with a handling eyelet 80, as seen in FIG. 2.
- This handling eyelet 80 is provided with a bore 82 which, in the closed position of the metering device 10, is aligned with a bore (not shown) in the flange 36.
- the part of the locking rod situated between the support tab 42 and the flange 36 can serve as an anchor point for the hook 56 of the dismantling arm 54.
- a handling eyelet 80 will also be provided on the another support lug 52, on the side of the first shaft 24.
- a shoulder 84 of the pivot 40 prevents the fixing lug 42 from pressing against the flange 36 when the two first arms 28 and 30 are pushed one towards the other, and thus preserves an anchor point for a hook 56 of the dismantling arm 54.
- the entire drive mechanism is located outside of the sealed cage 17.
- only the first 28, 30 and second 32, 34 suspension arms and the registers 18, 20 as well as the shaft portions 24 , 26 carrying the counter flanges 38, 48 are located in the sealed cage 17 and exposed to the atmosphere prevailing inside the oven.
- Figs. 7 and 8 show a partial section of Fig.1 through the wear cone 12, perpendicular to the common axis of rotation indicated by the reference sign 86.
- the metering device 10 is in a open position. It can be seen that the lower edge of the tube 16 defines two cylindrical surfaces 88, 90, the axes of which coincide with the common axis of rotation 25, but which have different radii of curvature.
- the radius of the first cylindrical surface 88 is slightly less than the radius of internal curvature of the cylindrical cap 18.
- the radius of the second cylindrical surface 90 is slightly less than the radius of internal curvature of the cylindrical cap 20.
- the common axis of rotation 86 is laterally offset with respect to the central axis 92 of the flow pipe 16, on the side of the upper register 18. This has the effect of making the device more compact in the open position.
- the lower register 20 must have a greater pivot amplitude than the upper pivot register 18.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
- Catching Or Destruction (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Cyclones (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Medicinal Preparation (AREA)
- Vehicle Body Suspensions (AREA)
- Coating Apparatus (AREA)
- Treatment Of Fiber Materials (AREA)
- Blast Furnaces (AREA)
- Basic Packing Technique (AREA)
- Auxiliary Methods And Devices For Loading And Unloading (AREA)
- Barrages (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
LU90442 | 1999-09-21 | ||
LU90442A LU90442B1 (fr) | 1999-09-21 | 1999-09-21 | Dispositif de dosage de mati-res en vrac |
PCT/EP2000/008355 WO2001021510A1 (fr) | 1999-09-21 | 2000-08-28 | Dispositif de dosage de matieres en vrac |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1214259A1 true EP1214259A1 (fr) | 2002-06-19 |
EP1214259B1 EP1214259B1 (fr) | 2003-09-17 |
Family
ID=19731836
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00958504A Expired - Lifetime EP1214259B1 (fr) | 1999-09-21 | 2000-08-28 | Dispositif de dosage de matieres en vrac |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1214259B1 (fr) |
CN (1) | CN1186238C (fr) |
AT (1) | ATE249989T1 (fr) |
AU (1) | AU6999900A (fr) |
DE (1) | DE60005377T2 (fr) |
LU (1) | LU90442B1 (fr) |
WO (1) | WO2001021510A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010045178A1 (de) * | 2010-09-09 | 2012-03-15 | Sig Technology Ag | Vorrichtung zum Dosieren von Produkten |
CN103053285B (zh) * | 2013-01-25 | 2015-04-08 | 黑龙江八一农垦大学 | 方便卸料和自动装车的稻壳暂储仓 |
IT202100010202A1 (it) * | 2021-04-22 | 2022-10-22 | Marchesini Group Spa | Apparecchiatura per il conteggio e lo scarico di articoli farmaceutici |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
LU83279A1 (fr) | 1981-04-03 | 1983-03-24 | Wurth Paul Sa | Installation de chargement d'un four a cuve |
LU84890A1 (fr) * | 1983-06-29 | 1985-03-29 | Wurth Paul Sa | Mecanisme pour actionner un clapet de dosage |
DE3637550A1 (de) * | 1986-11-04 | 1988-05-19 | Benz & Hilgers Gmbh | Vorrichtung mit einem verschlussteil fuer ein fuellmundstueck einer fuellmaschine |
-
1999
- 1999-09-21 LU LU90442A patent/LU90442B1/fr active
-
2000
- 2000-08-28 DE DE60005377T patent/DE60005377T2/de not_active Expired - Lifetime
- 2000-08-28 AU AU69999/00A patent/AU6999900A/en not_active Abandoned
- 2000-08-28 AT AT00958504T patent/ATE249989T1/de active
- 2000-08-28 WO PCT/EP2000/008355 patent/WO2001021510A1/fr active IP Right Grant
- 2000-08-28 EP EP00958504A patent/EP1214259B1/fr not_active Expired - Lifetime
- 2000-08-28 CN CNB008126666A patent/CN1186238C/zh not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO0121510A1 * |
Also Published As
Publication number | Publication date |
---|---|
AU6999900A (en) | 2001-04-24 |
EP1214259B1 (fr) | 2003-09-17 |
WO2001021510A1 (fr) | 2001-03-29 |
DE60005377D1 (de) | 2003-10-23 |
DE60005377T2 (de) | 2004-07-15 |
CN1373728A (zh) | 2002-10-09 |
CN1186238C (zh) | 2005-01-26 |
LU90442B1 (fr) | 2001-03-22 |
ATE249989T1 (de) | 2003-10-15 |
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