EP1187940B1 - Beschickungsvorrichtung für einen schachtofen - Google Patents

Beschickungsvorrichtung für einen schachtofen Download PDF

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Publication number
EP1187940B1
EP1187940B1 EP00938811A EP00938811A EP1187940B1 EP 1187940 B1 EP1187940 B1 EP 1187940B1 EP 00938811 A EP00938811 A EP 00938811A EP 00938811 A EP00938811 A EP 00938811A EP 1187940 B1 EP1187940 B1 EP 1187940B1
Authority
EP
European Patent Office
Prior art keywords
feed
feed device
main body
chute
drive
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.)
Revoked
Application number
EP00938811A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1187940A1 (de
Inventor
Franz-Josef Irnich
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.)
Z&J Technologies GmbH
Original Assignee
Z&J Technologies GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7912543&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1187940(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Z&J Technologies GmbH filed Critical Z&J Technologies GmbH
Publication of EP1187940A1 publication Critical patent/EP1187940A1/de
Application granted granted Critical
Publication of EP1187940B1 publication Critical patent/EP1187940B1/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B1/00—Shaft or like vertical or substantially vertical furnaces
    • F27B1/10—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B1/20—Arrangements of devices for charging

Definitions

  • the invention relates to a loading device for a Shaft furnace, in particular blast furnace, with a loading chute, the top and bottom of each rotated separately are.
  • a somewhat different arrangement, as described in DE 295 15 419 U1 comprises a rotating chute with a rotating drivable cylindrical housing, several at the outlet the feed chutes connected to the housing with different radial extension and one arranged in the housing Distribution chute, the end of which is a loading chute opens and is rotatable with the housing, the Distribution chute adjustable within the housing and the Assignment to the feed chutes is selectable.
  • the feed profile can be set specifically be, however, it is constructive and the use of materials ago relatively expensive.
  • Another rotatable exposure device known from DE-AS 1 169 474 includes a plurality of circumferentially distribution chutes distributed in a circle as well as additional a center and an outer distribution chute, all of them be filled via a suitably guided funnel chute. With this arrangement there is no freely selectable setting the mouth at any point on the shaft cross-section possible, and it is also expensive in terms of materials and construction.
  • the owner is a loading device for shaft furnaces known, the core of which is an angle adjustable with respect to the furnace axis Distribution chute with a universal joint suspension is by means of a suitable adjusting mechanism is pivotable about two mutually perpendicular axes.
  • This The device enables a finely targeted introduction of the feed material to predetermined points of the shaft cross-section, but has a structurally complex drive large space requirement.
  • JP-A 63 096 205 is a loading device known, which differs from that of claim 1 only in that that one of two rotary drives not only on the top of the Loading chute, but also works via a planetary gear, on the lower part of the loading chute, which with the other rotary drive, is also connected via the planetary gear.
  • the drive connections via the planetary gear ensure an even discharge through the rotation; the second named rotary actuator enables uniform discharge in the radial direction.
  • the present invention has for its object a to provide a simplified loading device of the type described in JP-A, which can be implemented in a space-saving and material-saving manner. Especially The design effort for the drive of the two-part should Feed chute compared to the latter prior art be significantly reduced.
  • the loading device according to the invention is geared technically characterized by a minimal construction. There are only a few Sprocket-pinion connections required to get the desired one Relative movements between the upper and lower part of the loading chute receive.
  • the solution according to the invention is mechanically highly resilient, easy to control, low noise and low wear. The space requirement for the gear connection between drives and loading chute is minimal.
  • the top and bottom are essentially cylindrical - in particular elliptical or semi-elliptical - shaped (tubular) and forming - at corresponding rotational position of the lower part relative to the Upper part - a total of one at an angle to the outlet of the base body attached two-part pipe.
  • the drive of the housing (and upper part) is known per se Advantageously with an electric motor Pinion-sprocket arrangement realized, the one with the pinion of the drive electric motor meshing gear ring is rotatably connected to the base body.
  • the drive too the lower part comprises in an advantageous embodiment Sprocket-sprocket arrangement, the associated sprocket the outlet of the base body in particular rotatable encloses.
  • On this latter ring gear is in a first appropriate design attached a push rod assembly, the over joints at one end with the ring gear and via joints at the other end with the lower part of the loading chute connected is.
  • the drive comprises an output shaft on the lower part of the loading chute a pinion is provided at the end adjacent to the lower part which is with a rotationally enclosing the lower part combs another ring gear.
  • the upper part as well as the lower part have expediently a rotation angle range of essentially 360 °.
  • the proposed solution is special advantageous in the version with at least two storage containers for a first and second load, which in open the base of the loading device and optionally can be emptied in these.
  • Feeding can be implemented for a version that has a feed control unit, the means on the input side for detecting the angle of rotation position of the upper part and of the lower part (and thus the current loading point) and on the output side flap drives for the material holding flaps assigned.
  • the preferred embodiment per Storage containers each have a material flow control valve and a includes gas-tight shut-off valve.
  • This valve arrangement is advantageously designed as a compact valve assembly, which is preferred as both over the shaft furnace as well compared to the storage container or the storage containers - together with the associated valve actuators - as a whole is movable.
  • An inlet flange of the shaft furnace is preferred over a flange of the valve assembly mentioned lying on this sealed, which is particularly reliable and durable using a compensator with a thermal expansion compensating Pressing device succeeds.
  • a such includes a hydraulic pressure device or - as such as from the applicant's EP 0 609 406 B1 known - thermodynamic pressure elements.
  • FIGS 1a to 1c show one in different views Feeding device 100 for a blast furnace 101 according to a first embodiment of the invention.
  • the loading device 100 Above the loading device 100 are a first and a second Storage containers 103, 105 for a first and second load arranged, each an outlet pipe 103a, 105a, which is formed by a material holding flap 103b, 105b is either closed or kept open.
  • the Outlet pipes 103a, 105a open at a right angle to each other in a hopper 106 for a base body 107 of the loading device, in which swiveling and through Swiveling one of the outlet pipes 103a, 105a assignable gastight flap 109 is arranged.
  • a chute 111 is flanged.
  • the feed chute 111 comprises an incline at the outlet 107a attached, tubular upper part 113 and a likewise tubular and with the same diameter as the top 113 formed lower part 115.
  • the parting plane between the Upper part 113 and the lower part 115 is parallel to the plane of the Outlet 107a, and a longitudinal axis (and at the same time axis of rotation) A1 of the base body 107 penetrates this plane vertically.
  • On this parting plane are the upper part 113 and the lower part 115 the feed chute 111 together via a bearing housing 117 rotatably connected.
  • connection is designed such that the lower part 115 about one to its longitudinal axis inclined, but parallel to and from the first axis of rotation A1 spaced axis of rotation A2 is rotatable.
  • Fig. 1a is with short-short-long dashed lines a second rotary position the chute 111 shown, in which in addition the Lower part 115 has a different angle of rotation relative to the upper part 113 has as in the designated with solid lines Position. (In the interest of clarity of presentation the elements are not in this second position designated by reference numerals.)
  • a first drive 119 is assigned to the base body 107, the first electric motor 121 with a first drive pinion 123 and one with the wall of the base body 107 firmly connected ring gear 125 includes.
  • the loading chute 111 is assigned a second drive 127, one second electric motor 129, a second drive pinion 131 and a second rotatably mounted relative to the base body 107 Has ring gear 133. Furthermore belongs to the second Drive 127 a via a further pinion 135 with the ring gear 133 meshing output shaft 137, which on its the lower part 115 adjacent end carries a further pinion 139, the in engagement with one of the feed chute lower part 115 rotatably attached ring gear 141 stands.
  • the output shaft 137 is via a bearing bush 137a and a clasp 113a mounted on the feed chute upper part 113.
  • Loaded goods received in the storage containers 103, 105 reaches after opening one or both material holding flaps 103b, 105b via the hopper 106, the base body 107 and the chute 111 at one point in the Interior of the blast furnace 101, on the one hand due to the angular position of the base body 107 and the loading chute upper part attached to it 113 and secondly by the Angular position of the feed chute lower part 115 relative to the upper part 113 is determined, as with the superimposed representation clarified some possible positions in Fig. 1b becomes.
  • actuation of the drives 119 and 127 is the Angular position of the housing 107 and thus the upper part 113 around the axis of rotation A1 on the one hand and the angular position of the lower part 115 set on the other hand about the axis of rotation A2.
  • the drives 119, 127 can each individually - i.e. at standstill the other drive - or together, namely then synchronous or asynchronous to each other, in operation be, which creates a variety of control options the supply quantity of the first and / or second load predetermined points in the interior of the blast furnace 101.
  • Figures 2a to 2c is one compared to the first Version modified with regard to the drive Version 100 'of a loading device shown.
  • Fig. 2b a section along the plane A-A in Fig. 2a.
  • FIG. 1b there are two different positions of the feed chute top 113 shown; however here is to every position of the top only one position of the lower part is shown.
  • the mouth of the lower part 115 through the engine 119 by means of the push rods 143, 145 about the second axis of rotation A2 each - i.e. in any position of the upper part 113 - is rotatable through 360 °.
  • Fig. 3 is a block diagram of a rough scheme for the Control of a loading device according to the first or outlined second embodiment explained above.
  • a control arrangement 200 also includes a process computer 201 allocated working memory 203 and program memory 205, with the control of an entire blast furnace process under Access to pre-stored data records and program sequences and the signals from (not shown) transducers executed on a blast furnace 101 (see the previous figures) becomes.
  • a drive control unit is arranged downstream of the process computer 201 207 and a feed control unit 209.
  • the drive control unit 207 effects a corresponding one Control of the motors 121, 129 for driving the upper part or lower part of the loading chute a positioning the discharge opening of the loading chute above the Blast furnace cross section.
  • the angular positions of the upper part or Lower parts are each by an angle encoder 211a, 211b detected and fed to the feed control unit 209 where them together with control signals from process computer 201 Control signals for the (not shown in the previous figures) Motors for actuating the material holding clamps 103b, 105b and the gas-tight flap 109 are processed, the filling of the first and / or second load in the loading chute depending on their current position and that specified via the process computer To control the feed profile.
  • control signals which, for example, the rotational speed of the two Drives relate
  • control signals which, for example, the rotational speed of the two Drives relate
  • FIG. 4a to 4c is a simplified representation of the only a few each for the implementation of the invention show essential elements in more detail and below even selectively to highlight differences of the first and second embodiments are outlined, a further loading device 300. With the designs according to Fig. 1a to 1c and Fig. 2a to 2c matching components will not be shown below explained again in more detail.
  • the loading device 300 is used to load a Blast furnace 301 from a first and second storage container 303, 305 via a hopper 304, 306.
  • a gas-tight swivel flap (Shut-off valve) 308 or 310 is provided at the outlet.
  • the funnel 304 or 306 is on outlet pipes 303a or 305a one material flow control valve each (a material holding flap) 303b, 305b with assigned (not separately designated) valve drive arranged. Below this is the outlet area of the funnels 304, 306 in each case gas-tight shut-off valve (flap) 309a or 309b with associated drive (also not designated separately) assigned.
  • valve assembly 312 The flaps or valves 305a, 305b and 309a, 309b together with the associated drives are compact, as Whole on the top of the 301 blast furnace Valve assembly 312 summarized.
  • a lower flange 312a the valve assembly 312 in a base body 307 with which this flat on an upper flange 301a of the blast furnace 301 rests, is opposite to this - not in the figure shown - thermodynamic pressure elements in one Sealed way that a reliable Thermal expansion compensation ensures.
  • Via valve assembly drives 314 is the valve assembly 312 on the top of the blast furnace 301 can be moved to carry out maintenance work on the Valves as well as on the parts of the (mentioned below) Loading chute or exchange. 4c, the valve assembly 312 is solid Lines in the position of use above the blast furnace 301 and with Dash two-dot lines in the laterally shifted position outlined.
  • the construction of a loading chute 311 from an upper part 313 and a lower part 315 connecting one of these Bearing housing 317 and corresponding drives basically the structure of the first and second Embodiment and is therefore not detailed here described.
  • the drives include (only in Fig. 4c symbolically represented electric motors / gear units 319 or 327, and the upper loading chute or the upper part 313 is driven directly via a gear 331, while the The lower part or the lower chute 315 is free rotating double toothed wheel 333, an output shaft 337 and another gear 339 is driven.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Blast Furnaces (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Heat Treatment Of Articles (AREA)
  • Tunnel Furnaces (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
  • Vending Machines For Individual Products (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)
EP00938811A 1999-06-25 2000-06-23 Beschickungsvorrichtung für einen schachtofen Revoked EP1187940B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19929180 1999-06-25
DE19929180A DE19929180C2 (de) 1999-06-25 1999-06-25 Beschickungsvorrichtung für einen Schachtofen
PCT/EP2000/005798 WO2001000884A1 (de) 1999-06-25 2000-06-23 Beschickungsvorrichtung für einen schachtofen

Publications (2)

Publication Number Publication Date
EP1187940A1 EP1187940A1 (de) 2002-03-20
EP1187940B1 true EP1187940B1 (de) 2004-09-29

Family

ID=7912543

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00938811A Revoked EP1187940B1 (de) 1999-06-25 2000-06-23 Beschickungsvorrichtung für einen schachtofen

Country Status (19)

Country Link
US (1) US6580744B1 (ja)
EP (1) EP1187940B1 (ja)
JP (1) JP4278899B2 (ja)
KR (1) KR100685462B1 (ja)
CN (1) CN1194105C (ja)
AT (1) ATE278037T1 (ja)
AU (1) AU5406400A (ja)
BR (1) BR0011937A (ja)
CA (1) CA2377705C (ja)
CZ (1) CZ298809B6 (ja)
DE (2) DE19929180C2 (ja)
ES (1) ES2230114T3 (ja)
PL (1) PL192919B1 (ja)
RU (1) RU2241183C2 (ja)
SK (1) SK286349B6 (ja)
TR (1) TR200103705T2 (ja)
UA (1) UA73124C2 (ja)
WO (1) WO2001000884A1 (ja)
ZA (1) ZA200110458B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015116066A1 (de) 2015-09-23 2017-03-23 TDCo GmbH Schachtofenbegichtungsvorrichtung

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT409140B (de) * 2000-09-22 2002-05-27 Voest Alpine Ind Anlagen Verfahren und vorrichtung zum verteilen eines stückigen schüttgutes
DE10334417A1 (de) 2003-06-20 2005-01-05 Z & J Technologies Gmbh Ofenkopf bzw. Gichtverschluß
DE10333569A1 (de) * 2003-07-23 2005-02-17 Z & J Technologies Gmbh Einrichtung zur Verteilung von Schüttgut in wenigstens zwei oberhalb der Gicht eines Hochofens angeordnete Bunker
AT502479B1 (de) * 2005-10-24 2007-04-15 Voest Alpine Ind Anlagen Verfahren und vorrichtung zum chargieren von einsatzstoffen
EP1811045A1 (en) * 2006-01-20 2007-07-25 Paul Wurth S.A. Multiple hopper charging installation for a shaft furnace
EP1811044A1 (en) * 2006-01-20 2007-07-25 Paul Wurth S.A. Three hopper charging installation for a shaft furnace
EP1870651A1 (en) * 2006-06-21 2007-12-26 Paul Wurth S.A. Charging device for a shaft furnace
KR101052058B1 (ko) * 2009-06-29 2011-07-26 삼영기계공업(주) 다중담파
CN104034173B (zh) * 2009-10-09 2016-03-30 新日铁工程技术株式会社 装入装置
LU92045B1 (en) * 2012-07-18 2014-01-20 Wurth Paul Sa Rotary charging device for shaft furnace
LU92046B1 (en) * 2012-07-18 2014-01-20 Wurth Paul Sa Rotary charging device for shaft furnace
CN102889788B (zh) * 2012-10-16 2014-10-08 连云港市东茂矿业有限公司 还原罐自动定量装仓装置
ITUB20152684A1 (it) * 2015-07-30 2017-01-30 Danieli Off Mecc Dispositivo di distribuzione materiale di carica all?interno di un altoforno
LU93298B1 (en) * 2016-11-10 2018-06-13 Wurth Paul Sa Sealing Valve Arrangement For A Shaft Furnace Charging Installation
KR102299561B1 (ko) * 2020-03-23 2021-09-07 현대제철 주식회사 트리퍼용 공급장치
KR102338238B1 (ko) * 2020-04-17 2021-12-09 홍의주 전기로용 내화재 분사장치

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DE533822C (de) * 1930-04-12 1931-09-18 Fried Krupp Grusonwerk Akt Ges Verfahren und Vorrichtung zur Steuerung von Beschickungsvorrichtungen fuer Schachtoefen
DE738584C (de) * 1938-01-04 1943-08-21 Bernhard Osann Jr Dr Ing Beschickungsvorrichtung fuer Schachtoefen, insbesondere Hochoefen
DE868913C (de) * 1943-11-20 1953-03-02 Koelsch Foelzer Werke Ag Begichtungseinrichtung fuer Hochoefen
DE824178C (de) * 1948-11-17 1951-12-10 Dr Francis Paul Somogyi Verfahren zum Betrieb von senkrechten Schachtoefen und Vorrichtung zur Durchfuehrung des Verfahrens
US2753056A (en) * 1951-05-31 1956-07-03 Allied Chem & Dye Corp Charging solids to vessels
DE1169474B (de) * 1959-09-07 1964-05-06 Rheinische Kalksteinwerke Drehbare Begichtungseinrichtung eines fortlaufend mit ebenem Spiegel zu fuellenden Schachtes, insbesondere eines Hochofens
FR2116298B1 (ja) * 1970-12-04 1974-05-24 Wieczorek Julien
LU77547A1 (ja) * 1977-06-16 1977-09-19
JPS57116719A (en) * 1981-01-09 1982-07-20 Nippon Steel Corp Swiveling chute of bell-less type furnace top charger
JPS60182539U (ja) * 1984-05-14 1985-12-04 カヤバ工業株式会社 シミ−ダンパ
JPH0772287B2 (ja) * 1986-10-14 1995-08-02 石川島播磨重工業株式会社 高炉の原料装入装置
JPH0234710A (ja) * 1988-07-21 1990-02-05 Nippon Steel Corp 高炉原料装入装置のシュート駆動機構
JPH0234711A (ja) * 1988-07-21 1990-02-05 Nippon Steel Corp 高炉原料装入装置のシュート駆動機構
JPH06145731A (ja) * 1992-11-04 1994-05-27 Kawasaki Steel Corp 高炉への原料装入方法及び装置
JP3552257B2 (ja) * 1993-12-24 2004-08-11 Ｊｆｅスチール株式会社 堅型炉用ベルレス式炉頂装入装置
LU88456A1 (fr) * 1994-02-01 1995-09-01 Wurth Paul Sa Dispositif de répartition de matières en vrac
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JPH09235604A (ja) * 1996-02-28 1997-09-09 Kawasaki Steel Corp 高炉用ベルレス式炉頂装入装置
US6389054B1 (en) * 2000-12-18 2002-05-14 Sms Demag Inc. Scrap charger

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015116066A1 (de) 2015-09-23 2017-03-23 TDCo GmbH Schachtofenbegichtungsvorrichtung
WO2017050312A1 (de) 2015-09-23 2017-03-30 TDCo GmbH Schachtofenbegichtungsvorrichtung

Also Published As

Publication number Publication date
AU5406400A (en) 2001-01-31
SK19032001A3 (sk) 2002-06-04
DE19929180A1 (de) 2001-01-04
DE50008008D1 (de) 2004-11-04
US6580744B1 (en) 2003-06-17
SK286349B6 (en) 2008-07-07
CA2377705C (en) 2008-04-15
CZ20014475A3 (cs) 2002-05-15
UA73124C2 (uk) 2005-06-15
EP1187940A1 (de) 2002-03-20
RU2241183C2 (ru) 2004-11-27
KR20020025089A (ko) 2002-04-03
PL353182A1 (en) 2003-11-03
ATE278037T1 (de) 2004-10-15
CN1194105C (zh) 2005-03-23
PL192919B1 (pl) 2006-12-29
WO2001000884A1 (de) 2001-01-04
JP2003503600A (ja) 2003-01-28
BR0011937A (pt) 2002-03-19
CZ298809B6 (cs) 2008-02-13
DE19929180C2 (de) 2001-08-09
ES2230114T3 (es) 2005-05-01
JP4278899B2 (ja) 2009-06-17
CN1358234A (zh) 2002-07-10
CA2377705A1 (en) 2001-01-04
KR100685462B1 (ko) 2007-02-23
TR200103705T2 (tr) 2002-07-22
ZA200110458B (en) 2002-08-30

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