EP1218550B1 - 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 variable Download PDF

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Publication number
EP1218550B1
EP1218550B1 EP00958449A EP00958449A EP1218550B1 EP 1218550 B1 EP1218550 B1 EP 1218550B1 EP 00958449 A EP00958449 A EP 00958449A EP 00958449 A EP00958449 A EP 00958449A EP 1218550 B1 EP1218550 B1 EP 1218550B1
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EP
European Patent Office
Prior art keywords
suspension
chute
rotor
control lever
control
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.)
Expired - Lifetime
Application number
EP00958449A
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German (de)
English (en)
French (fr)
Other versions
EP1218550A1 (fr
Inventor
Emile Lonardi
Giovanni Cimenti
Jean-Jacques Venturini
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Paul Wurth SA
Original Assignee
Paul Wurth SA
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Filing date
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Application filed by Paul Wurth SA filed Critical Paul Wurth SA
Publication of EP1218550A1 publication Critical patent/EP1218550A1/fr
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Publication of EP1218550B1 publication Critical patent/EP1218550B1/fr
Anticipated expiration legal-status Critical
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    • 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 materials in bulk with rotating chute with variable tilt angle. It concerns more particularly such a device comprising a suspension rotor, a chute with two suspension arms, each of which is connected to the rotor of suspension using a suspension axis, so as to define on the rotor suspension a pivot axis for the chute, and a drive mechanism to produce a pivoting moment capable of pivoting the chute around its pivot axis.
  • Such devices for distributing bulk materials are for example used in tank furnace loading facilities, in particular blast furnaces, where the rotating chute with variable tilt angle ensures the load distribution inside the shaft furnace.
  • the chute is a wear element, which must be replaced time to time. Hence the need to suspend the chute so 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 Pat. No. 3,814,403 is provided with lateral suspension pins. On one side it includes two pins spaced suspension, which are received in two housings separated by a flange suspension driven in rotation by the pivoting mechanism, so that this suspension flange can transmit the pivoting moment at the chute. On the opposite side it includes a suspension pin single which can rotate in a fixed flange housing. The fixing of pins in the two flanges is done using transverse keys.
  • the chute of the device described in US Patent 5,022,806 is also fitted with lateral suspension pins. On one side it includes two spaced suspension pins, which are received in a flange housing suspension driven in rotation by the pivoting mechanism, so that this suspension flange can transmit the pivoting moment at the chute. On the opposite side it includes a single pin which is received in a flange housing free to rotate on a pivot.
  • the chute of the device described in patent application DE 3342572 has two specially shaped suspension arms. Each of these arms of suspension is received in a housing of a driven suspension flange in rotation by the pivoting mechanism.
  • the shape of the suspension arm secures the suspension flange housing while allowing easy extraction of the chute after lifting it. Both suspension flanges transmit the pivoting moment to the chute.
  • the loading device described in patent application FR 882167 includes an oscillating loading tube, which is suspended via of two long horizontal arms like a pendulum in a cylindrical piece press. The ends of these suspension arms are mounted in bearings of the rotating cylindrical part. One of these ends carries a lever actuating. A bent control lever is fixed with a bearing to the cylindrical piece. A first end of this control lever is connected through a connecting rod to an oscillation mechanism. A second end of this control lever carries a slide which is guided in a closed slide of the operating lever. It is not specified how proceeds to disassemble the loading tube.
  • An object of the present invention is to provide a distribution device bulk materials with a simpler chute suspension and less bulky, allowing nevertheless to transmit important pivoting moments at the chute, while ensuring disassembly and easy assembly of the chute. According to the invention, this objective is reached by a device according to claim 1.
  • a device for distributing bulk materials comprises a suspension rotor as well as a chute arranged below the rotor suspension.
  • This chute is equipped with two lateral suspension arms extending upwards where they are connected to the suspension rotor, so that define a substantially horizontal pivot axis on the suspension rotor for the chute.
  • the device further comprises a drive mechanism to produce a pivoting moment capable of pivoting the chute around its pivot axis.
  • a cylindrical suspension axis is associated with each suspension arm to pivotally connect it to the rotor suspension.
  • Each of these two cylindrical suspension axes is housed retractably in a housing of said suspension rotor.
  • a lever of control is connected by means of a joint to the suspension rotor.
  • the drive mechanism is connected to this control lever so that transmit the pivoting moment to the latter.
  • the control lever is equipped a stop which is supported on a buttress arranged on the suspension arm respective.
  • the stop and the counter-stop are also designed so that they can be released by a translational movement of the two arms of suspension, this after removing the cylindrical suspension pins to disassembly of the chute. It will be appreciated that this device is distinguished by a very simple and very compact chute suspension, which allows transmit significant pivoting moments to the chute, while ensuring easy disassembly and assembly of the chute.
  • the transmission of the pivoting moment to the chute could be done at through only one of the two suspension arms. Symmetrical transmission of pivoting moment at the two suspension arms of the chute is however more advantageous.
  • a control lever is associated with each. of the two suspension arms and connected by means of a joint to the rotor of suspension.
  • the drive mechanism is then connected to the two levers control in order to transmit the pivoting moment symmetrically to these.
  • a stop on each two levers control unit cooperates with a buttress on the suspension arm to which the respective control lever is associated.
  • this drive mechanism comprises a rotor rotary axis coaxial with the suspension rotor, as well as a angular transmission carried by the suspension rotor.
  • the input tree of this angular transmission is provided with a pinion which meshes with a ring gear carried by the control rotor. Its output tree is parallel to the pivot axis of the chute and is rotated when the input shaft is rotated by the control rotor.
  • a mechanism connecting rod-crank 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 buttressed is then advantageously formed by a guide mortise arranged in said suspension arm of the chute.
  • This mortise of guide advantageously has a mouth in the free end of the arm, so that you can introduce the drive pivot by a translation of the suspension arm perpendicular to the drive pivot.
  • each of the two arms for hanging 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.
  • the device comprises a carcass outside, in which the suspension rotor is suspended.
  • This carcass is equipped with a lower screen, which. has a circular opening.
  • the lower end of the suspension rotor carries a collar, which is adjusted in this circular opening.
  • two lights for the passage of the two suspension arms of the chute.
  • Two support flanges flank each of the lights for the support of the suspension axes at their two ends.
  • the bulk distribution device 10 shown in Figures 1 and 2 is more specifically intended to be part of a supply device a shaft furnace, such as for example a blast furnace, shown diagrammatically 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 tightly at the upper end 12 of the shaft furnace.
  • This carcass outer 14 is provided with a fixed supply sleeve 16, which is substantially coaxial with the vertical axis 18 of the shaft furnace and is leaked out of the upper end (not shown) of the outer casing 14.
  • a rotor of suspension 20 is suspended in the outer carcass 14, for example at using a large diameter bearing ring (not shown).
  • This rotor of suspension 20 includes 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 adjusted in a circular opening of a lower screen 28, which separates the interior of the carcass 14 from the interior of the oven.
  • reference 30 marks a second rotor, also called a rotor control rotor 30.
  • This control rotor 30 surrounds the suspension rotor 20 and is suspended in the outer carcass 14, for example using a large diameter bearing ring (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 Figs.).
  • This training device includes, so known in itself, a first pinion, which meshes with a toothed crown of the suspension rotor 20, and a second pinion, which meshes with a gear ring of the control rotor 30.
  • this drive device is capable of rotating the two rotors 20, 30, either with perfectly synchronized rotation speeds, or with different rotational speeds.
  • Reference 32 identifies a distribution chute for materials in bulk dumped through the feed sleeve 16.
  • This chute 32 comprises two lateral suspension arms 34, 34 '.
  • the collar 26 On both sides of the suspension sleeve 24, the collar 26 is provided with two lights 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 to using 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 sleeve of suspension 24, so as to define an axis on the suspension rotor 20 substantially horizontal pivoting for the chute 32.
  • Reference 38 globally identifies an angular transmission carried by the collar 26 of the suspension rotor 20.
  • This angular transmission 38 comprises a vertical input shaft 40, which is parallel to the axis of rotation of the two rotors 20, 30 and is fitted with a pinion 42 which meshes with a crown tooth 44 of the control rotor 30. It further comprises a shaft of horizontal outlet 46, which is parallel to the pivot axis of the chute 32 and comprises two free ends, each of which is equipped with a crank 48, 48.
  • a gear system interconnects the input shaft 40 and the outlet 46, so as to transform a rotation of the vertical input shaft 40 into a rotation of the horizontal output shaft 46.
  • Two connecting rods 50, 50 ' connect the two cranks 48, 48' symmetrically with two control levers 52, 52 ', each of which has substantially the form of a square with two arms.
  • the end of one of these arms is hingedly connected to its connecting rod 50, 50 ', while the end of the other arm is connected using a 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 arms of suspensions 34, 34 ' uses an abutment-abutment system, in which a control lever stop 52, 52 'simply rests on a stopper of the suspension arm 34, 34 'for transmitting 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 a mouth therein so that the pivot can be inserted drive 56, 56 'in 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 lever assembly 52, suspension axis and suspension arm 34.
  • the control lever 52 is formed by an assembly of two half-levers symmetrical 60 ', 60 ", between which is housed the free end of the suspension 34.
  • the latter crosses light 35, which is arranged in the collar 26 of the suspension rotor 20 and which is flanked by two flanges of support 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 "from 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 the suspension axis 36.
  • the central axis of the suspension axis 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 pin 36. However, after dismantling these mechanical stops, the suspension pin 36 can be easily removed from its formed housing by the two bores 68 ', 68 ".
  • each of the two suspension arms of the chute has a hole oblong 70, 70 'for the passage of its suspension pin 36, 36'.
  • This hole oblong 70, 70 ' is arranged in the extension of the mortise 58, 58', of so as to be able to unload the two suspension axes 36, 36 'by a lifting the chute 32.
  • FIGS. 4 and 5 illustrate 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.
  • 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 pin 36, so as to discharge the suspension axis 36.
  • the reference 72 marks in the Fig. 4 a mechanical stop which prevents inadvertent 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 identifies 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 disassembly opening 104, which is arranged in the upper end 12 of the shaft furnace.
  • the chute 32 is slightly raised, in order to bring by a translation of the two suspension arms 34, 34 ′ the two suspension axes 36, 36 'in the position shown in FIG. 5. In this position we know now easily remove the two suspension pins 36, 36 'from their respective accommodation.

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  • 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)
EP00958449A 1999-09-03 2000-08-16 Dispositif de repartition de matieres en vrac avec goulotte rotative a angle d'inclinaison variable Expired - Lifetime EP1218550B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
LU90433 1999-09-03
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
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 EP1218550A1 (fr) 2002-07-03
EP1218550B1 true 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 (cs)
EP (1) EP1218550B1 (cs)
CN (1) CN1186463C (cs)
AT (1) ATE239803T1 (cs)
AU (1) AU6995800A (cs)
BR (1) BR0012536A (cs)
CZ (1) CZ297757B6 (cs)
DE (1) DE60002595T2 (cs)
LU (1) LU90433B1 (cs)
TW (1) TW434383B (cs)
WO (1) WO2001018255A1 (cs)
YU (1) YU9102A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102472578A (zh) * 2009-10-09 2012-05-23 新日铁工程技术株式会社 装入装置

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009006348A2 (en) * 2007-06-29 2009-01-08 Ashross, Llc 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
EP2349887B1 (de) * 2008-11-24 2013-04-03 RWE Power Aktiengesellschaft Vorrichtung zur streuung von schüttgut
LU91565B1 (en) 2009-05-07 2010-11-08 Wurth Paul Sa A shaft furnace charging installation having a drive mechanism for a distribution chute.
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

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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 (cs) * 1969-07-31 1969-12-10 Wurth Anciens Ets Paul
JPS5111014B2 (cs) * 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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102472578A (zh) * 2009-10-09 2012-05-23 新日铁工程技术株式会社 装入装置
US8701856B2 (en) 2009-10-09 2014-04-22 Nippon Steel Engineering Co., Ltd. Loading device

Also Published As

Publication number Publication date
LU90433B1 (fr) 2001-03-05
CN1361831A (zh) 2002-07-31
CZ297757B6 (cs) 2007-03-21
US6916146B1 (en) 2005-07-12
TW434383B (en) 2001-05-16
AU6995800A (en) 2001-04-10
BR0012536A (pt) 2002-04-16
ATE239803T1 (de) 2003-05-15
CN1186463C (zh) 2005-01-26
YU9102A (sh) 2004-11-25
WO2001018255A1 (fr) 2001-03-15
EP1218550A1 (fr) 2002-07-03
CZ2002766A3 (cs) 2002-08-14
DE60002595D1 (de) 2003-06-12
DE60002595T2 (de) 2004-03-18

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