EP1218550A1 - Dispositif de repartition de matieres en vrac avec goulotte rotative a angle d'inclinaison variable - Google Patents
Dispositif de repartition de matieres en vrac avec goulotte rotative a angle d'inclinaison variableInfo
- Publication number
- EP1218550A1 EP1218550A1 EP00958449A EP00958449A EP1218550A1 EP 1218550 A1 EP1218550 A1 EP 1218550A1 EP 00958449 A EP00958449 A EP 00958449A EP 00958449 A EP00958449 A EP 00958449A EP 1218550 A1 EP1218550 A1 EP 1218550A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- suspension
- chute
- rotor
- control
- control lever
- 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
- Such devices for distributing bulk materials are for example used in tank furnace loading installations, in particular blast furnaces, where the rotary chute with variable inclination angle distributes the load inside. from the shaft oven. It will be appreciated that in such a device the chute is a wear element, which must be replaced from time to time. Hence the need to suspend the chute easily removable in its suspension rotor, while ensuring reliable transmission of a large pivoting moment on the chute.
- the chute of the device described in US Patent 3,814,403 is provided with lateral suspension pins. On one side it comprises two spaced suspension pins, which are received in two separate housings of a suspension flange rotated by the pivoting mechanism, so that this suspension flange can transmit the moment of pivoting- lie at the chute. On the opposite side it includes a single suspension journal which can rotate in a housing with a fixed flange. The trunnions are fixed in the two flanges using transverse keys.
- the chute of the device described in US Pat. No. 5,022,806 is also fitted with lateral suspension pins. On one side it includes two spaced suspension pins, which are received in a housing of a suspension flange rotated by the pivoting mechanism, so that this suspension flange can transmit the pivoting moment at the chute. On the opposite side it comprises a single pin which is received in a housing with a flange free to rotate on a pivot.
- the chute of the device described in patent application DE 3342572 is provided with two specially shaped suspension arms. Each of these suspension arms is received in a housing of a suspension flange rotated by the pivoting mechanism.
- the shape of the suspension arm ensures its blocking the housing of the suspension flange while allowing easy extraction of the chute after lifting it.
- the two suspension flanges transmit the pivoting moment to the chute.
- An object of the present invention is to provide a device for distributing bulk materials provided with a simpler and less bulky suspension of the chute, nevertheless making it possible to transmit significant pivoting moments to the chute, while ensuring easy disassembly and assembly of the chute. According to the invention, this objective is achieved by a device according to claim 1.
- a device for distributing bulk materials according to the invention comprises a suspension rotor as well as a chute provided with two suspension arms. Each suspension arm is connected to the suspension rotor by means of a suspension axis, so as to define on the suspension rotor a pivot axis for the chute.
- the device further comprises a drive mechanism for producing a pivoting moment capable of pivoting the chute around its pivot axis.
- a control lever is associated with each of the two suspension arms and connected by means of an articulation to the suspension rotor.
- the drive mechanism is then connected to the two control levers so as to transmit the pivoting moment symmetrically to them.
- a stop on each two control levers cooperates with a counter-stop on the suspension arm with which the respective control lever is associated.
- this drive mechanism comprises a control rotor with an axis of rotation coaxial with the suspension rotor, as well as an angular transmission carried by the suspension rotor.
- the input shaft of this angular transmission is provided with a pinion which meshes with a ring gear carried by the control rotor.
- Its output shaft is parallel to the pivot axis of the chute and is rotated when the input shaft is rotated by the control rotor.
- a connecting rod-crank mechanism connects the output shaft to the control lever (s).
- the stop is for example formed by a drive pivot carried by the control lever.
- the abutment is then advantageously formed by a guide mortise arranged in said suspension arm of the chute. This guide mortise advantageously has a mouth in the free end of the arm, so that the drive pivot can be introduced therein by a translation of the suspension arm perpendicular to the drive pivot.
- each of the two suspension axes is preferably easily dismounted in a housing of the suspension rotor.
- each of the two suspension arms of the chute advantageously comprises an oblong hole for the passage of its suspension axis, so as to be able to unload the two suspension axes by lifting the chute.
- control lever of an assembly of two symmetrical half-levers between which is then housed a free end of the suspension arm.
- Fig.1 a vertical section of a device for distributing bulk materials with a rotating chute with variable angle of inclination
- Fig.2 a horizontal section of the device of Fig. 1;
- Fig.3 a vertical section similar to that of Fig. 1, illustrating the dismantling of the chute
- Fig.4 a vertical section showing details of the suspension of the chute of the device of Fig. 1
- Fig. 5 a vertical section similar to that of Fig. 4, illustrating the disassembly of the chute.
- the device for distributing bulk materials 10 shown in FIGS. 1 and 2 is more specifically intended to be part of a device for supplying a shaft furnace, such as for example a blast furnace, represented schematically by its upper end 12.
- a shaft furnace such as for example a blast furnace
- This device 10 comprises an outer carcass 14, which is connected in leaktight manner to the upper end 12 of the shaft furnace.
- This outer carcass 14 is provided with a fixed supply sleeve 16, which is substantially coaxial with the vertical axis 18 of the shaft furnace and has come out in leaktight manner from the upper end (not shown) of the carcass outer 14.
- a suspension rotor 20 is suspended in the outer carcass 14, for example using a large diameter rolling ring (not shown).
- This suspension rotor 20 comprises a vertical suspension sleeve 24, which surrounds the fixed supply sleeve 16 and is provided with a horizontal collar 26 at its lower end. This collar 26 is fitted in a circular opening of a lower screen 28, which separates the interior of the carcass 14 from the interior of the oven.
- the reference 30 marks a second rotor, also called the control rotor 30.
- This control rotor 30 surrounds the suspension rotor 20 and is suspended in the outer carcass 14, for example using a rolling ring of large diameter (not shown), so as to have its axis of rotation substantially coaxial with the axis of rotation of the suspension rotor 20.
- the two rotors 20 and 30 are rotated by a drive device (not shown in Fig.).
- This drive device comprises, in a manner known per se, a first pinion, which meshes with a ring gear of the suspension rotor 20, and a second pinion, which meshes with a ring gear of the control rotor 30.
- this drive device is capable of rotating the two rotors 20, 30, either with perfectly rotational speeds. synchronized, either with different rotational speeds.
- the reference 32 identifies a distribution chute for bulk materials discharged through the supply sleeve 16.
- This chute 32 includes two lateral suspension arms 34, 34 '.
- the collar 26 On either side of the suspension sleeve 24, the collar 26 is provided with two slots 35, 35 ', through which the free ends of the two suspension arms 34, 34' penetrate inside the external carcass 14
- the two suspension arms 34, 34 ' are connected to the suspension rotor 20 by means of two suspension pins 36, 36'.
- the latter are housed in bearings 37, 37 ′, which are arranged on the collar 26 on either side of the suspension sleeve 24, so as to define on the suspension rotor 20 a substantially horizontal pivot axis for chute 32.
- Two connecting rods 50, 50 ' connect the two cranks 48, 48' symmetrically to two control levers 52, 52 ', each of which has substantially the shape of a square with two arms.
- the end of one of these arms is connected in an articulated manner to its connecting rod 50, 50', while the end of the other arm is connected using an articulation 54, 54 'to the suspension rotor 20.
- These articulations 54, 54' define for each control lever 52, 52 'on the suspension rotor 20 a pivot axis substantially coaxial with the pivot axis of the chute 32.
- the transmission of a pivoting moment of the control levers 52, 52 'on the suspension arms 34, 34' uses a stop-stop system, in which a stop of the lever control 52, 52 'simply takes support on a counter-stop of the suspension arm 34, 34' to transmit the pivoting moment.
- the stop is for example formed by a drive pivot 56, 56 'carried by the control lever 52, 52', while the abutment is then formed by a guide mortise 58, 58 '.
- the latter is advantageously arranged in the free end of the suspension arm 34, 34 'and has therein a mouth, so as to be able to introduce the drive pivot 56, 56' into its mortise 58, 58 'by a simple translation of the suspension arm 34, 34 'perpendicular to the drive pivot 56, 56'.
- Fig. 4 a preferred embodiment of the assembly control lever 52, suspension pin and suspension arm 34.
- the control lever 52 is formed by an assembly of two symmetrical half-levers 60 ′, 60 ", between which the free end of the arm is housed suspension 34.
- the latter crosses the light 35, which is arranged in the collar 26 of the suspension rotor 20 and which is flanked by two support flanges 62 ', 62 ".
- Each support flange 62 ', 62 " is fitted with a socket 64', 64".
- Said articulation 54 of the lever 52 on the suspension rotor 20 is then formed by mounting a journal 66 'of the half-lever 60' in the socket 64 'of the support flange 62' and a journal 66 "of the half - lever 60 "in the socket 64" of the support flange 62 ".
- Each of the two pins 66 ′, 66 ′′ is further provided with a central bore 68 ′, 68 ′′, in which one end of the suspension axis 36 bears.
- the central axis of the axis suspension 36 is substantially coaxial with the central axis of the articulation 54 of the control lever 52.
- Mechanical stops (not shown) ensure the axial locking of the suspension axis 36. However, after dismantling these mechanical stops, the suspension pin 36 can be easily removed from its housing formed by the two bores 68 ', 68 ".
- each of the two suspension arms of the chute comprises an oblong hole 70, 70' for the passage of its suspension axis 36, 36 '.
- This oblong hole 70, 70 ′ is arranged in the extension of the mortise 58, 58 ′, so as to be able to unload the two suspension axes 36, 36 ′ by lifting the chute 32. This is illustrated by a comparison of FIGS. . 4 and 5.
- the suspension arm 34 is supported on the suspension axis 36 with the upper edge of its oblong hole 70.
- FIG. 4 the suspension arm 34 is supported on the suspension axis 36 with the upper edge of its oblong hole 70.
- the chute 32 is in a raised position, in which there is a clearance “J” between the upper edge of the oblong hole 70 and the suspension axis 36, so as to discharge the suspension axis 36.
- the reference 72 marks in FIG. 4 a mechanical stop which prevents an untimely lifting of the chute 32. In FIG. 5, this mechanical stop 72 is removed.
- the procedure for dismantling the chute is illustrated in Fig. 3.
- the reference 100 locates a device for handling the chute 32 which is suspended from a cable 102 of a lifting device.
- This handling device 100 is coupled to the chute 32 through a dismantling opening 104, which is arranged in the upper end 12 of the shaft furnace.
- the chute 32 is slightly raised, in order to bring the two suspension arms 34, 34 ′ by a translation of the two suspension axes 36, 36 ′ into the position shown in FIG. 5. In this position, we now know how to easily remove the two suspension shafts 36, 36 'from their respective housings.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Blast Furnaces (AREA)
- Chutes (AREA)
- Discharge Of Articles From Conveyors (AREA)
- Feeding Of Articles To Conveyors (AREA)
- Forging (AREA)
- Polarising Elements (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
LU90433A LU90433B1 (fr) | 1999-09-03 | 1999-09-03 | Dispositif de r-partition de mati-res en vrac avec goulotte rotative - angle d'inclinaison variable |
LU90433 | 1999-09-03 | ||
PCT/EP2000/007949 WO2001018255A1 (fr) | 1999-09-03 | 2000-08-16 | Dispositif de repartition de matieres en vrac avec goulotte rotative a angle d'inclinaison variable |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1218550A1 true EP1218550A1 (fr) | 2002-07-03 |
EP1218550B1 EP1218550B1 (fr) | 2003-05-07 |
Family
ID=19731830
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00958449A Expired - Lifetime EP1218550B1 (fr) | 1999-09-03 | 2000-08-16 | Dispositif de repartition de matieres en vrac avec goulotte rotative a angle d'inclinaison variable |
Country Status (12)
Country | Link |
---|---|
US (1) | US6916146B1 (fr) |
EP (1) | EP1218550B1 (fr) |
CN (1) | CN1186463C (fr) |
AT (1) | ATE239803T1 (fr) |
AU (1) | AU6995800A (fr) |
BR (1) | BR0012536A (fr) |
CZ (1) | CZ297757B6 (fr) |
DE (1) | DE60002595T2 (fr) |
LU (1) | LU90433B1 (fr) |
TW (1) | TW434383B (fr) |
WO (1) | WO2001018255A1 (fr) |
YU (1) | YU9102A (fr) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090000916A1 (en) * | 2007-06-29 | 2009-01-01 | Lloyd Ash | Aggregate Reclaimer Device and Method |
FI121943B (fi) * | 2007-11-21 | 2011-06-15 | Outotec Oyj | Jakelulaite |
US8182190B2 (en) * | 2008-03-27 | 2012-05-22 | Ashross, Llc | Unloading system and method for continuously moving rapid discharge railcars |
LU91480B1 (en) * | 2008-09-12 | 2010-03-15 | Wurth Paul Sa | Shaft furnace charging device and corresponding distribution chute |
PL2349887T3 (pl) * | 2008-11-24 | 2013-08-30 | Rwe Power Ag | Urządzenie do rozrzucania materiału sypkiego |
LU91565B1 (en) | 2009-05-07 | 2010-11-08 | Wurth Paul Sa | A shaft furnace charging installation having a drive mechanism for a distribution chute. |
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 |
CN102296133B (zh) * | 2011-08-31 | 2013-02-13 | 中冶赛迪工程技术股份有限公司 | 高炉受料罐装料装置 |
CN102635878B (zh) * | 2012-05-09 | 2014-07-02 | 中信机电制造公司科研设计院 | 节能环保采暖炉 |
CN103979322B (zh) * | 2014-05-28 | 2016-05-11 | 刘明生 | 离心式卸车机的制造方法 |
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 |
KR200481700Y1 (ko) * | 2014-10-30 | 2016-11-01 | 대우조선해양 주식회사 | 해상구조물의 드릴링 커팅 가이더 및 이를 포함하는 드릴링 커팅 처리 모듈 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR882167A (fr) * | 1941-05-19 | 1943-05-20 | Kloeckner Humboldt Deutz Ag | Appareil permettant le chargement régulier et uniforme des fours à cuve |
US2833586A (en) * | 1955-04-28 | 1958-05-06 | Pennsylvania Engineering Corp | Scrap box construction |
LU59207A1 (fr) * | 1969-07-31 | 1969-12-10 | Wurth Anciens Ets Paul | |
JPS5111014B2 (fr) * | 1973-01-31 | 1976-04-08 | ||
LU83370A1 (fr) * | 1981-05-18 | 1983-03-24 | Wurth Paul Sa | Dispositif de commande du mouvement d'une goulotte oscillante et installation de chargement d'un four a cuve equipe d'un tel dispositif |
LU84520A1 (fr) * | 1982-12-10 | 1984-10-22 | Wurth Paul Sa | Dispositif de refroidissement d'une installation de chargement d'un four a cuve |
LU87226A1 (fr) * | 1988-05-25 | 1989-12-11 | Wurth Paul Sa | Dispositif et procede de repartition uniforme de matieres sur une surface circulaire |
FR2692595A1 (fr) * | 1992-06-22 | 1993-12-24 | Int Equipement | Dispositif d'alimentation pour haut-fourneau. |
CZ280047B6 (cs) * | 1992-07-28 | 1995-10-18 | Vítkovice, A.S. | Zařízení pro automatické dávkování licího prášku do krystalizátorů zařízení plynulého lití oceli |
CZ296756B6 (cs) * | 1998-11-16 | 2006-06-14 | Paul Wurth S. A. | Zarízení pro rozdelování sypkého materiálu, obsahující zlab s nastavitelným úhlem sklonu |
-
1999
- 1999-09-03 LU LU90433A patent/LU90433B1/fr active
- 1999-11-24 TW TW088120507A patent/TW434383B/zh active
-
2000
- 2000-08-16 DE DE60002595T patent/DE60002595T2/de not_active Expired - Lifetime
- 2000-08-16 WO PCT/EP2000/007949 patent/WO2001018255A1/fr active IP Right Grant
- 2000-08-16 YU YU9102A patent/YU9102A/sh unknown
- 2000-08-16 BR BR0012536-9A patent/BR0012536A/pt not_active IP Right Cessation
- 2000-08-16 AT AT00958449T patent/ATE239803T1/de active
- 2000-08-16 US US10/070,151 patent/US6916146B1/en not_active Expired - Lifetime
- 2000-08-16 CN CNB008103380A patent/CN1186463C/zh not_active Expired - Lifetime
- 2000-08-16 AU AU69958/00A patent/AU6995800A/en not_active Abandoned
- 2000-08-16 CZ CZ20020766A patent/CZ297757B6/cs not_active IP Right Cessation
- 2000-08-16 EP EP00958449A patent/EP1218550B1/fr not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO0118255A1 * |
Also Published As
Publication number | Publication date |
---|---|
US6916146B1 (en) | 2005-07-12 |
EP1218550B1 (fr) | 2003-05-07 |
CZ297757B6 (cs) | 2007-03-21 |
TW434383B (en) | 2001-05-16 |
BR0012536A (pt) | 2002-04-16 |
CN1186463C (zh) | 2005-01-26 |
ATE239803T1 (de) | 2003-05-15 |
CN1361831A (zh) | 2002-07-31 |
CZ2002766A3 (cs) | 2002-08-14 |
DE60002595D1 (de) | 2003-06-12 |
LU90433B1 (fr) | 2001-03-05 |
AU6995800A (en) | 2001-04-10 |
DE60002595T2 (de) | 2004-03-18 |
YU9102A (sh) | 2004-11-25 |
WO2001018255A1 (fr) | 2001-03-15 |
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