EP1129221A1 - Dispositif de repartition de matieres en vrac - Google Patents
Dispositif de repartition de matieres en vracInfo
- Publication number
- EP1129221A1 EP1129221A1 EP99955851A EP99955851A EP1129221A1 EP 1129221 A1 EP1129221 A1 EP 1129221A1 EP 99955851 A EP99955851 A EP 99955851A EP 99955851 A EP99955851 A EP 99955851A EP 1129221 A1 EP1129221 A1 EP 1129221A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ring
- chute
- suspension
- axis
- rotor
- 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
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/18—Bell-and-hopper arrangements
- C21B7/20—Bell-and-hopper arrangements with appliances for distributing the burden
Definitions
- the present invention relates to a device for distributing bulk materials with a rotary chute with variable angle of inclination.
- Such devices are, for example, used in devices for loading ovens with bowls, in particular blast furnaces, in which a rotary chute with variable angle of inclination ensures the distribution of the charge inside the bowl furnace.
- They more particularly comprise a support carcass in which is mounted a suspension rotor so as to be able to be driven in rotation about a substantially vertical axis of rotation.
- the chute is suspended in this rotor so as to be able to pivot around its suspension axis.
- a pivoting mechanism allows the inclination of the chute to be changed during its rotation.
- the rotor is axially traversed by a feed channel, so that the bulk materials, which flow from a lock hopper of the loading device, are discharged onto the rotary chute, which distributes them to the inside the shaft oven.
- the pivoting mechanism comprises a second rotor, which has an axis of rotation substantially coaxial with the first rotor in which the chute is suspended.
- This second rotor can be rotated at a speed different from that of the first rotor, which makes it possible to produce a variable angular offset between the two rotors.
- a mechanism, connected between the second rotor and the chute, then makes it possible to transform a variation of the angular offset between the two rotors into a variation of the angle of inclination of the chute in its vertical pivot plane.
- One of the problems underlying the present invention is to provide a device for distributing bulk materials with a rotary chute with variable angle of inclination, in which a relatively simple chute pivoting mechanism is used, which however presents excellent qualities with regard to the transmission of the significant forces necessary for pivoting the chute.
- Such a device comprises, in a manner known per se, a suspension rotor mounted in a support carcass so as to be able to rotate around a substantially vertical axis of rotation.
- the chute is suspended from this rotor so as to be able to pivot around a substantially horizontal suspension axis.
- the suspension rotor is axially crossed by a feed channel of the chute.
- the present invention has a very simple pivoting mechanism for changing the inclination of the chute suspended in the rotor.
- This mechanism comprises a first and a second ring, which are both arranged around the rotor, so that their central axis is coaxial with the axis of rotation of the rotor.
- a guide device integral in rotation with the rotor, is connected between the rotor and the first ring, so that the latter can slide axially along the rotor.
- At least one connection element connects the first ring to the chute, so as to transform a vertical sliding of the first ring into a pivoting of the chute around its pivot axis.
- the first and second rings are connected via a rolling ring.
- the chute preferably comprises two lateral suspension arms and the rotor two lateral bearings, in which the suspension arms are suspended so that the chute can pivot around a substantially horizontal axis.
- Connecting rods can then connect the first ring to each of the suspension arms of the chute, so as to transform a vertical sliding of the first ring into a pivoting of the chute around its pivot axis.
- the guide device connected between the first ring and the rotor preferably comprises several vertical rails mounted on the rotor and rollers mounted on the first ring and guided in the rails. Excellent guidance is obtained when a pair of vertically spaced rollers is guided in each rail.
- control means used to vary the vertical position of the second ring include a lever mechanism and a hydraulic cylinder which actuates the lever mechanism.
- lever mechanism then preferably comprises an intermediate articulated lever provided with a support arm and an actuating arm.
- the support arm advantageously has the form of a fork connected to the second ring at two diametrically opposite points, for example by means of connecting rods.
- the actuating arm is connected to the outside of the support frame to the hydraulic cylinder, so that the hydraulic cylinder can be easily replaced and is also not exposed to an aggressive environment inside the support frame .
- the support carcass is preferably a sealed carcass.
- the lever then advantageously comprises a suspension pivot which carries the actuating arm and which exits in a sealed manner from the support carcass through a suspension bearing integrated in the sealed carcass.
- the control means may however also include at least one hydraulic cylinder connected directly between the carcass of support and the second ring.
- This hydraulic cylinder can for example be an annular hydraulic cylinder, which is arranged around the rotor so that its central axis is coaxial with the axis of rotation thereof, and whose annular piston is fixed to said second ring.
- several hydraulic cylinders can be mounted inside the support frame and connected directly between the support frame and the second ring.
- Fig. 1 a vertical section through a first execution of a device for distributing bulk materials according to the invention
- Fig. 2 a section along the section line 2-2 in Figure 1;
- Fig. 3 a section along the section line 3-3 in FIG. 1;
- Fig. 4 a vertical section through a second embodiment of a device for distributing bulk materials according to the invention
- Fig. 5 a vertical section through a third embodiment of a device for distributing bulk materials according to the invention.
- the same references designate identical or similar elements.
- FIG 1 schematically shows a device for distributing bulk materials 12 with a rotary chute 14 with variable angle of inclination.
- This device is mounted on the head of a tank furnace 10 and is part of a loading installation for the latter. It is supplied by a lock hopper (not shown) which opens into a central supply channel 16 of the device 12.
- the reference sign 18 indicates the central axis of the supply channel 16, which will usually be coaxial with the 'central axis of the shaft furnace 10.
- the chute 14 is shown in two tilt positions. In solid lines, it has an inclination so as to deflect the bulk material flowing through the feed channel 16 in the peripheral zone of the furnace. In broken lines, its inclination is such that the bulk material is poured into the central zone of the shaft furnace 10.
- the device for distributing bulk materials 12 will now be studied in more detail with simultaneous reference to FIGS. 1 to 3.
- the chute 14 is provided at its upper end with two lateral suspension arms 20, 20 ′ (in FIG. 1, the arm 20 ′ is hidden by the arm 20).
- In each of these two suspension bearings 24, 24 ' is mounted a suspension arm 20, 20' of the chute 14, so that these two bearings 24, 24 'define for the chute 14 a substantially horizontal pivot axis .
- This pivot axis is identified by the reference numeral 26 in Figure 2.
- the rotor 22 can be likened to a tube, which surrounds the supply channel 16, carries at its lower end the bearings 24, 24 ', and has at its upper end a suspension collar 30.
- An electric motor or hydraulic 34 (preferably a variable speed motor) is used to rotate the rotor 22, and therefore also the chute 14, around the axis 18.
- a pinion 36 of the drive motor 34 meshes with a ring gear 38, carried for example by the suspension collar 30.
- the support carcass 32 is a sealed carcass supported itself on the head of the shaft furnace 10. It has at its upper end a plate 40, which is provided with a passage opening for a wear tube 42, which defines the supply channel 16. In an annular space remaining between the rotor 22 and the wear tube 42 is advantageously interposed a stationary rotating screen 44 equipped with a closed cooling circuit. This cooling screen 44 is used in particular to cool the interior surface of the rotor 22.
- the carcass 34 is provided with an annular screen 46.
- the latter is equipped with a cooling circuit 48 on its upper surface and thermal insulation 50 on its lower surface. It defines a central opening in which a collar 52 fitted to the lower end of the suspension rotor 22 is fitted.
- the collar 52 comprises an upper plate 54, which is protected downwards by thermal insulation 56. Between the upper plate 54 and the thermal insulation 56 remains a vacuum 58 accessible from the lateral edge of the collar 52.
- a pipe 60 is arranged along the central opening of the fixed annular screen 46. This pipe 60 is connected to a source of cooling, and it is provided over its entire length with outlet orifices oriented so as to be able to inject this cooling gas through the mouths 58 into the cavities of the collar 52.
- the collar 52 is provided with two passage slots for the suspension arms 20, 20 ′ of the chute 14. Since the arms 20, 20 ′ are delimited at the two ends of the passage slots by surfaces cylindrical 62, 64, the axes of which coincide with the pivot axis of the chute 14, the arms 20, 20 ′ provide significant closure of the passage slots for any angle of inclination of the chute 14.
- the mechanism which makes it possible to changing the inclination of the chute 14 will now be described in more detail with the aid of FIGS. 1 and 3.
- the reference sign rence 66 locates a first ring arranged around the rotor 22 so that its central axis is coaxial with the axis of rotation thereof.
- This first ring 66 is connected to the rotor 22 by means of a guide device, which allows the first ring to slide axially along the rotor 22.
- this guide device comprises guide rails 681. .. 68 4 , and guide rollers 70 ⁇ ... 70 4 .
- the guide rails 68 1 ... 68 are fixed vertically on the outer wall of the rotor 22.
- the guide rollers 70 ⁇ ... 70 are mounted on the first ring 66 and guided vertically in the rails 681 ... 68 4 for center the first ring 66 relative to the rotor 22, during its vertical sliding. An excellent centering of the ring 66 in the rails 70 ⁇ ... 70 is obtained when each guide rail 681 ...
- the 68 4 is associated with a pair of guide rollers 70 ⁇ , 70 ⁇ '(see Figure 1), which are mounted with vertical spacing on support arms 72, 72 'fixed to the first ring 66.
- a connecting rod 73, 73' connects the first ring 66 to each of the suspension arms 20, 20 'of the chute 14.
- These connecting rods 73 , 73 ′ transform a vertical movement of the first ring 66 into a pivoting of the chute 14 around its pivot axis 26.
- the reference sign 74 marks a second ring arranged around the rotor 22 so that its central axis is coaxial to the axis of rotation 18 thereof.
- a rolling ring 76 of large diameter connects this second ring 74 to the first ring 66.
- This rolling ring 76 allows relative rotation of the two rings 66, 74, while ensuring the transmission of vertical forces. It follows that motionless control means in rotation can be connected to the second ring 74, to vary the vertical position of the first ring 66 on the suspension rotor 22 in rotation.
- Figures 1 and 3 show a first execution of these control means. It is a lever mechanism actuated by a hydraulic cylinder 80 installed outside the support frame 32.
- the lever mechanism comprises a lever with intermediate articulation provided with a support arm 82 and a actuating arm 84.
- the support arm 82 has the form of a fork, which is connected by means of two connecting rods 86, 86 'to the second ring 74 at two diametrically opposite points.
- Sure Figure 1 shows a front view of the rod 86.
- the lever comprises two suspension pivots 88, 88 'housed in suspension bearings 90, 90'.
- the latter are supported by the support carcass 32 so as to define a substantially horizontal pivot axis 92 for the lever 92.
- the actuating arm 84 is carried by the suspension pivot 88, which protrudes from the support carcass 32 through the suspension bearing 90.
- the hydraulic cylinder 80 is connected between the actuating arm 84 and a support arm 94, which is rigidly fixed to the support carcass 32.
- a shortening of the hydraulic cylinder 80 causes the lever 82, 84 to pivot around its pivot axis 92 in the direction of the arrow 96.
- the support arm 82 raises, by means of the connecting rods 86, 86 ′, the second ring 74.
- the latter lifts, via the rolling ring 76, the first ring 66, which is in rotation with the suspension rotor 22 around the axis 18.
- the connecting rods 73, 73 ′ then rotate the chute 14 around its pivot axis 26 in the direction of the arrow 98.
- FIG. 4 we see a second embodiment of the control means for varying the vertical position of the second ring 74.
- These are hydraulic cylinders uniformly distributed in the support frame 32 around the rotor 22.
- the housings 102 of these cylinders 100 are supported vertically by a fixed ring 104, which is fixed to the support frame 32 vertically above the second ring 74.
- the rods 106 of these cylinders 100 are connected, preferably using a spherical joint 108 , to the second ring 74.
- a shortening of the hydraulic cylinders 100 lifts the second ring 74.
- the latter lifts, by means of the rolling ring 76, the first ring 66, which is in rotation with the suspension rotor 22 around of the axis 18.
- the connecting rods 73, 73 ′ then rotate the chute 14 about its pivot axis 26 in the direction of the arrow 98.
- the reference sign 110 marks an indicator for the position of the hydraulic cylinders 100.
- FIG. 5 we see a third embodiment of the control means for varying the vertical position of the second ring 74.
- the annular hydraulic cylinder comprises an annular housing 122, which is supported vertically by a fixed ring 124, which is fixed to the support carcass 32 vertically above the second ring 74.
- Its annular piston 126, which is locked in rotation, is fixed to the second ring 74.
- the reference sign 128 marks a position indicator of the annular hydraulic cylinder 120.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Blast Furnaces (AREA)
- Glass Compositions (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Carbon And Carbon Compounds (AREA)
- Chutes (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
- Control And Other Processes For Unpacking Of Materials (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Discharge Of Articles From Conveyors (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
LU90295A LU90295B1 (fr) | 1998-10-06 | 1998-10-06 | Dispositif de répartition de matières en vrac |
LU90295 | 1998-10-06 | ||
PCT/EP1999/007354 WO2000020647A1 (fr) | 1998-10-06 | 1999-10-05 | Dispositif de repartition de matieres en vrac |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1129221A1 true EP1129221A1 (fr) | 2001-09-05 |
EP1129221B1 EP1129221B1 (fr) | 2003-03-26 |
Family
ID=19731772
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99955851A Expired - Lifetime EP1129221B1 (fr) | 1998-10-06 | 1999-10-05 | Dispositif de repartition de matieres en vrac |
Country Status (9)
Country | Link |
---|---|
US (1) | US6390268B1 (fr) |
EP (1) | EP1129221B1 (fr) |
CN (2) | CN1208472C (fr) |
AT (1) | ATE235562T1 (fr) |
AU (1) | AU1264300A (fr) |
DE (1) | DE69906357T2 (fr) |
LU (1) | LU90295B1 (fr) |
RU (1) | RU2228364C2 (fr) |
WO (1) | WO2000020647A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2530885A1 (fr) | 2011-06-01 | 2012-12-05 | Alcatel Lucent | Composant de formage et procédé pour transporter des flux de données avec différentes qualités |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
LU90863B1 (en) * | 2001-12-13 | 2003-06-16 | Wurth Paul Sa | Charging device with rotary chute |
DE10240219A1 (de) * | 2002-08-28 | 2004-03-11 | Claas Selbstfahrende Erntemaschinen Gmbh | Vorrichtung zur Steuerung einer Überladeeinrichtung |
FI121943B (fi) * | 2007-11-21 | 2011-06-15 | Outotec Oyj | Jakelulaite |
PL2349887T3 (pl) * | 2008-11-24 | 2013-08-30 | Rwe Power Ag | Urządzenie do rozrzucania materiału sypkiego |
KR101779470B1 (ko) * | 2009-10-09 | 2017-09-18 | 신닛떼쯔 수미킨 엔지니어링 가부시끼가이샤 | 장입 장치 |
LU91829B1 (en) * | 2011-06-21 | 2012-12-24 | Wurth Paul Sa | Distribution chute for a charging device |
CN102735065B (zh) * | 2012-07-13 | 2014-07-02 | 中冶赛迪工程技术股份有限公司 | 可调倾角的装料及振动加料装置 |
LU92472B1 (en) * | 2014-06-06 | 2015-12-07 | Wurth Paul Sa | Heat protection assembly for a charging installation of a metallurgical reactor |
LU92494B1 (fr) * | 2014-07-07 | 2016-01-08 | Wurth Paul Sa | Dispositif de blocage de la goulotte sur les extrémités des tourillons, dans une installation de chargement d'un four à cuve |
ITUB20152684A1 (it) | 2015-07-30 | 2017-01-30 | Danieli Off Mecc | Dispositivo di distribuzione materiale di carica all?interno di un altoforno |
DE102016103385B4 (de) * | 2016-01-08 | 2022-08-18 | Rudolf Bischof Gmbh | Abwasseraufbereitungsanlagenausrüstung |
CN113247578B (zh) * | 2021-05-11 | 2022-10-25 | 中冶赛迪工程技术股份有限公司 | 溜槽托架安装缝隙的密封方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2222386B2 (de) * | 1972-05-06 | 1974-07-25 | Dingler-Anlagenbau Gmbh, 6660 Zweibruecken | Begichtungsvorrichtung für Schachtofen, insbesondere für Hochöfen |
JPS5111014B2 (fr) * | 1973-01-31 | 1976-04-08 | ||
FR2230246A5 (en) * | 1973-05-16 | 1974-12-13 | Delattre Levivier | Rotating chute charger for blast or shaft furnaces - with all working parts sealed in annular chamber for protection against hot gas and dust |
US4277214A (en) * | 1979-12-11 | 1981-07-07 | Nott Company | Barge loading device |
JPS58210105A (ja) * | 1982-05-29 | 1983-12-07 | Nippon Steel Corp | 高炉装入装置に於ける炉内シユ−ト駆動装置 |
LU87341A1 (fr) * | 1988-09-22 | 1990-04-06 | Wurth Paul Sa | Installation de chargement d'un four a cuve |
ATE105827T1 (de) * | 1991-04-19 | 1994-06-15 | Wurth Paul Sa | Vorrichtung zur gleichmässigen verteilung von pulverförmigen materialien. |
LU88172A1 (fr) * | 1992-09-16 | 1994-04-01 | Wurth Paul Sa | Dispositif de répartition de matières poudreuses |
LU88456A1 (fr) * | 1994-02-01 | 1995-09-01 | Wurth Paul Sa | Dispositif de répartition de matières en vrac |
LU90319B1 (fr) * | 1998-11-16 | 2000-07-18 | Wurth Paul Sa | Dispositif de r-partition de mati-res en vrac avec goulotte tournante - angle d'inclinaison variable |
-
1998
- 1998-10-06 LU LU90295A patent/LU90295B1/fr active
-
1999
- 1999-09-13 CN CNB991188055A patent/CN1208472C/zh not_active Expired - Lifetime
- 1999-09-13 CN CNB2005100063497A patent/CN1300342C/zh not_active Expired - Lifetime
- 1999-10-05 RU RU2001111872/02A patent/RU2228364C2/ru not_active IP Right Cessation
- 1999-10-05 WO PCT/EP1999/007354 patent/WO2000020647A1/fr active IP Right Grant
- 1999-10-05 US US09/806,945 patent/US6390268B1/en not_active Expired - Lifetime
- 1999-10-05 DE DE69906357T patent/DE69906357T2/de not_active Expired - Lifetime
- 1999-10-05 AT AT99955851T patent/ATE235562T1/de active
- 1999-10-05 AU AU12643/00A patent/AU1264300A/en not_active Abandoned
- 1999-10-05 EP EP99955851A patent/EP1129221B1/fr not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO0020647A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2530885A1 (fr) | 2011-06-01 | 2012-12-05 | Alcatel Lucent | Composant de formage et procédé pour transporter des flux de données avec différentes qualités |
Also Published As
Publication number | Publication date |
---|---|
CN1641050A (zh) | 2005-07-20 |
RU2228364C2 (ru) | 2004-05-10 |
US6390268B1 (en) | 2002-05-21 |
DE69906357T2 (de) | 2003-12-11 |
EP1129221B1 (fr) | 2003-03-26 |
LU90295B1 (fr) | 2000-04-07 |
AU1264300A (en) | 2000-04-26 |
CN1208472C (zh) | 2005-06-29 |
WO2000020647A1 (fr) | 2000-04-13 |
ATE235562T1 (de) | 2003-04-15 |
CN1250104A (zh) | 2000-04-12 |
CN1300342C (zh) | 2007-02-14 |
DE69906357D1 (de) | 2003-04-30 |
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