EP0572290B1 - Verfahren und Vorrichtung zum Beschicken eines Zinkingots in einer Zinkschmelze einer Verzinkungsanlage - Google Patents

Verfahren und Vorrichtung zum Beschicken eines Zinkingots in einer Zinkschmelze einer Verzinkungsanlage Download PDF

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Publication number
EP0572290B1
EP0572290B1 EP93401098A EP93401098A EP0572290B1 EP 0572290 B1 EP0572290 B1 EP 0572290B1 EP 93401098 A EP93401098 A EP 93401098A EP 93401098 A EP93401098 A EP 93401098A EP 0572290 B1 EP0572290 B1 EP 0572290B1
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EP
European Patent Office
Prior art keywords
ingot
zinc
ingots
feeding
receptacle
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
EP93401098A
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English (en)
French (fr)
Other versions
EP0572290A1 (de
Inventor
Bernard Gerson
Pierre Laurenson
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.)
Sollac SA
Original Assignee
Sollac SA
Lorraine de Laminage Continu SA SOLLAC
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
Application filed by Sollac SA, Lorraine de Laminage Continu SA SOLLAC filed Critical Sollac SA
Publication of EP0572290A1 publication Critical patent/EP0572290A1/de
Application granted granted Critical
Publication of EP0572290B1 publication Critical patent/EP0572290B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/0025—Charging or loading melting furnaces with material in the solid state
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/003—Apparatus
    • C23C2/0034—Details related to elements immersed in bath
    • C23C2/00342—Moving elements, e.g. pumps or mixers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D2003/0034—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities
    • F27D2003/0068—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities comprising clamps or tongs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D2003/0085—Movement of the container or support of the charge in the furnace or in the charging facilities
    • F27D2003/0089—Rotation about a horizontal or slightly inclined axis
    • F27D2003/009—Oscillations about a horizontal axis; Rocking
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/12—Travelling or movable supports or containers for the charge
    • F27D2003/125—Charging cars, lift trolleys
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
    • F27M2001/00—Composition, conformation or state of the charge
    • F27M2001/22—Ingots

Definitions

  • the present invention relates to galvanizing installations and, more particularly, the device for feeding ingots to the crucible or zinc pot.
  • the zinc crucibles or pots in galvanizing installations are supplied with zinc ingots which are taken from a storage area by a handling device, such as an overhead crane, which is fitted with a clamp which grasps one end of the ingot.
  • the ingot is brought above the zinc pot and the handling device is actuated in order to slowly lower the ingot into the zinc pot where it melts.
  • the clamp of the handling device is opened.
  • the present invention therefore proposes to provide a method and a device for feeding ingots of zinc from a zinc pot of a galvanizing installation which makes it possible to immerse the entirety of each ingot in the zinc pot without creating disturbances in the zinc bath and without entailing maintenance or replacement operations. equipment.
  • the receptacle immersed in the zinc bath is at the temperature of the latter and it does not occur the clogging phenomenon which occurs. on the clamps of supply systems of known type.
  • the ingot is placed on the feed table while the latter is in a horizontal position, the ingot handling device is removed, retaining means grip one end of the ingot, inclines the table and the retaining means control the sliding of the ingot along the table.
  • the invention also relates to a device for supplying zinc pots with a zinc pot for a galvanizing line for implementing the above method, characterized in that it comprises a table movable between a horizontal position for receiving the ingots in which it receives one or more ingots and an inclined feeding position in which its lower edge is above the zinc pot, said table comprising means for retaining the ingot or ingots gripping the upper end of the ingot or ingots when it is in the inclined position, said retaining means being actuated to allow the ingot or ingots to descend when the table is in the inclined position, said feeding device comprising, for each ingot carried by the table , a receptacle movable between two positions, a rest position in which it is located in the molten zinc pot and a working position in which it is placed u below the lower edge of the table when the latter is in an inclined position so as to collect the upper end of the ingot when this end is released from said retaining means.
  • the receptacle moves in translation parallel to the table when the latter is in the inclined position.
  • the receptacle comprises a guide sliding along the table when the latter is in the inclined position and supporting at its lower end a basket arranged in overhang on said sliding guide so as to come into the working position, below the lower edge of the table when it is in an inclined position.
  • the sliding guide comprises a slide formed by an inverted U-shaped profile having internal edges and a sliding part constituted by an I-shaped profile and said sliding part is connected by a chain with a motor comprising chain sprockets and a pneumatic or electric geared motor.
  • the receptacle comprises a sliding guide disposed under the table when the latter is in the inclined position and carrying at its lower end a basket coming, in the working position, to be placed under the lower edge of the table.
  • Figure 1 shows a carriage 1 mobile on rails and carrying a feed table 2.
  • This table is mounted for rotation about a transverse axis 3 perpendicular to the direction of movement of the carriage 1.
  • This axis of rotation 3 is arranged at the end of the carriage and its distance from the free end of the table is approximately equal to a quarter the length of the latter.
  • Table 2 is a feed table for a zinc pot 4 in which there is molten zinc, the upper level of the zinc bath being identified at 5.
  • the feed table 2 can take two positions, a horizontal position for receiving the ingots in which it receives an ingot 6 coming from a storage area and brought via a handling device such as an overhead crane. .
  • the ingot 6 is arranged so as to be in abutment on the free edge 7 of the table 2.
  • Zinc ingots can have a length of 2.25 m, a width of 0.4 m and a height of 0.35 m, for example. Such an ingot weighs 2,000 kg and its upper end or tail which is gripped by retaining means such as a clamp can weigh from 400 to 500 kg (or a lug using a hole).
  • the temperature of the molten zinc in the pot is around 450 ° C.
  • the upper end or tail 8 of the ingot opposite the free edge 7 of the table 2 is gripped by a clamp 9 constituting a device for retaining the ingot and which can move in translation on the table 2 parallel to the longitudinal axis of the ingot 6
  • the movement of the clamp 9 is controlled by a step-by-step electric motor 11.
  • Table 2 can take a second feeding position 2 'which is shown in broken lines; the angle of inclination can vary from 30 ° to 90 °; it is for example 60 °.
  • the free edge 7 of the table 2 is in position 7 'just above the level 5 of the molten bath 5 located in the zinc pot 4.
  • the ingot 6' is gripped by the clamp 9 '; for this purpose it has a transverse hole 12 respectively 12 '.
  • the supply device comprises a receptacle 21 which is movable between two positions, a rest position 21 ', which is shown in broken lines in FIG. 2 and its working position 21.
  • a rest position 21 ' which is shown in broken lines in FIG. 2
  • the receptacle 21 In its rest position 21', the receptacle 21 is completely immersed in the molten zinc bath 5. In its working position 21, this receptacle is placed below the free edge 7 ′ of the table in the feeding position while remaining slightly below the upper level 5 of the zinc bath.
  • the receptacle collects the end 8 '' of the ingot 6 '' which has been represented in FIG. 2 in the final feeding position, that is to say that only the end upper 8 '' of the ingot is not yet immersed in the bath 5.
  • the table is returned to the ingot reception position, that is to say it is returned to the horizontal position.
  • the assembly is then ready for a new feeding operation.
  • FIG. 3 represents an embodiment of the invention in which the receptacle consists of a guide 22 which slides along the table 2 when the latter is in the feeding position and of a basket 23 which is arranged in overhang at the lower end of the guide 22 so as to be opposite the free edge 7 'of the table.
  • the sliding guide consists of a fixed slide 24 in the shape of an inverted U and of a sliding element 25 constituted by an I-profile.
  • the upper end of the sliding element 25 is integral with a chain 26 which circulates in the slide 24 and which is wound on chain sprockets in a motor 27 comprising a pneumatic or electric gearmotor.
  • the sliding element 25 rolls on rollers 28 carried by the slide 24.
  • the feed table has a length of 3.4 m and a width of 0.5 m.
  • the basket stroke is approximately 5 m, its translation speed being 0.5 m / min.
  • the ingot descent speed that is to say the speed of movement of the clamp 9, is 2 m / min.
  • the invention makes it possible to immerse the tails of ingots in the zinc pot without making a stir.
  • the receptacle Since the receptacle remains permanently in the molten zinc bath, it is not subject to the clogging phenomenon and therefore does not require any unclogging or replacement operation.
  • the downward movement of the ingot tail in the bath is done in a controlled manner, that is to say with a speed slow enough not to cause eddies.
  • the process according to the invention can easily be automated in such a way that no manual intervention is necessary.
  • a receptacle consisting of a sliding guide disposed under the table when it is in the inclined position and carrying at its lower end a basket coming, in the working position, to be placed under the lower edge of the table.
  • feed tables carrying several ingots may be made.
  • a mobile receptacle is provided for each of the ingots carried by the table.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Coating With Molten Metal (AREA)
  • Furnace Charging Or Discharging (AREA)

Claims (7)

  1. Verfahren zum Beschicken von Zinkingots (6, 6', 6'') in eine Zinkwanne (6) einer Verzinkungsanlage, in der die Ingots in einem Lagerungsbereich durch eine Transportvorrichtung, so wie eine Rollbrücke, angehoben sind, welche eine Zange aufweist, die ein Ende des Ingots greift, wobei die Ingots über die Zinkwanne gebracht und langsam in die letztere abgesenkt werden, gekennzeichnet durch die folgenden Abläufe:
    - a) der Ingot (6, 6', 6'') wird zu allererst auf einen geneigten Beschickungstisch (2, 2') gebracht, dessen unteres Ende sich oberhalb der Zinkwanne befindet;
    - b) man läßt den Ingot entlang des Beschickungstisches in die Zinkwanne gleiten;
    - c) wenn der Ingot (6, 6', 6'') fast vollständig in das Zinkbad (5) eingetaucht worden ist, bewegt sich ein Behälter (21, 21'), der in dem Zinkbad (5) in einer Ruheposition (21') gehalten ist, unter das nicht aufgeschmolzene obere Ende (8, 8', 8'') des Ingots (6, 6', 6'');
    - d) das obere Ende (8, 8', 8'') des Ingots wird freigegeben; und
    - e) der Behälter senkt sich wieder in seine Ruheposition (21').
  2. Verfahren zum Beschicken von Zinkingots (6) in eine Zinkwanne (4) einer Verzinkungsanlage nach Anspruch 1, dadurch gekennzeichnet, daß man den Ingot (6) auf den Beschickungstisch (2) derart bringt, daß dieser sich in der horizontalen Position befindet, daß man die Transportvorrichtung vom Ingot abnimmt, daß Halteeinrichtungen (9) ein Ende (8) des Ingots greifen, daß man den Tisch neigt und daß die Halteeinrichtungen das Gleiten des Ingots entlang des Tisches steuern.
  3. Vorrichtung zum Beschicken von Zinkingots in eine Zinkwanne einer Verzinkungsanlage zum Durchführen des Verfahrens nach Anspruch 1 oder Anspruch 2, dadurch gekennzeichnet, daß sie einen zwischen einer horizontalen Position (2) zum Aufnehmen der Ingots (6, 6', 6''), in der er eine oder mehrere Ingots (6, 6', 6'') aufnimmt, und einer geneigten Position (2') zur Beschickung, in der sein unterer Rand (7') sich oberhalb der Zinkwanne (4) befindet, beweglichen Tisch (2, 2') aufweist, wobei der Tisch (2, 2') Halteeinrichtungen (9, 9') für den oder die Ingots (6, 6', 6'') aufweist, die das obere Ende (8, 8', 8'') des oder der Ingots (6, 6', 6'') greifen, wenn er in der geneigten Position (2') ist, wobei die Halteeinrichtungen (9, 9') so betrieben werden, daß sie den oder die Ingots (6, 6', 6'') abrutschen lassen, wenn der Tisch (2) in der geneigten Position (2') ist, wobei die Beschickungsvorrichtung für jeden Ingot (6, 6', 6'') der auf dem Tisch, 2, 2') getragen wird, einen Behälter (21) aufweist, der zwischen zwei Position bewegbar ist, einer Ruheposition (21'), in der er sich in der Zinkschmelzwanne (4) befindet, und einer Arbeitsposition (21), in der er sich unter den unteren Rand (7') des Tisches (2') bringt, bis dieser in der geneigten Position ist, um das obere Ende des Ingots (8, 8', 8'') aufzunehmen, bis dieses Ende von den Halteeinrichtungen (9, 9') freigegeben wird.
  4. Beschickungsvorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß der Behälter (21, 21') sich parallel zu dem Tisch (2, 2') verschiebt, wenn dieser in der geneigten Position (2') ist.
  5. Beschickungsvorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß der Behälter (21) eine Führung (22) aufweist, die entlang des Tisches (2, 2') gleitet, wenn dieser in der geneigten Position (2') ist, und an ihrem unteren Ende einen Korb (23) trägt, der freitragend auf der Gleitführung angeordnet ist, um in der Arbeitspostion unter den unteren Rand (7') des Tisches (2') zu kommen, wenn dieser in der geneigten Position ist.
  6. Beschickungsvorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß die Gleitführung (22) eine Gleitschiene, die durch ein Profil in Form eines umgekehrten U mit inneren Rändern gebildet ist, und ein Gleitstück (25), das durch ein Profil in Form eines I gebildet ist, aufweist, und daß das Gleitstück (25) durch eine Kette (26) mit einem Motor (27) verbunden ist, der Zahnkettenräder und einen pneumatischen oder elektrischen Getriebemotor aufweist.
  7. Beschickungsvorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß der Behälter (21) eine Gleitführung aufweist, die unter dem Tisch (2) angeordnet ist, wenn dieser in der geneigten Position (2') ist, und der an seinem unteren Ende einen Korb trägt, der in der Arbeitsposition unter den unteren Rand (7') des Tisches (2') kommt.
EP93401098A 1992-05-27 1993-04-27 Verfahren und Vorrichtung zum Beschicken eines Zinkingots in einer Zinkschmelze einer Verzinkungsanlage Expired - Lifetime EP0572290B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9206501 1992-05-27
FR9206501A FR2691719B1 (fr) 1992-05-27 1992-05-27 Procédé et dispositif d'alimentation en lingots de zinc d'un pot de zinc d'une ligne de galvanisation.

Publications (2)

Publication Number Publication Date
EP0572290A1 EP0572290A1 (de) 1993-12-01
EP0572290B1 true EP0572290B1 (de) 1995-06-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP93401098A Expired - Lifetime EP0572290B1 (de) 1992-05-27 1993-04-27 Verfahren und Vorrichtung zum Beschicken eines Zinkingots in einer Zinkschmelze einer Verzinkungsanlage

Country Status (5)

Country Link
EP (1) EP0572290B1 (de)
AT (1) ATE124469T1 (de)
DE (1) DE69300219T2 (de)
ES (1) ES2076829T3 (de)
FR (1) FR2691719B1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008047051B4 (de) * 2008-09-13 2019-11-14 Sms Group Gmbh Chargiervorrichtung und Verfahren zu deren Betrieb
CN108315679B (zh) * 2018-05-08 2023-09-19 郑州京华制管有限公司 钢管热镀锌锅自动加锌装置及其加锌方法
KR102038483B1 (ko) * 2019-09-11 2019-10-30 주식회사 리배산업 도금욕조의 도금액 농도 및 레벨 관리 시스템
CN110817379A (zh) * 2019-11-07 2020-02-21 徐州鑫泰镀锌设备有限公司 一种适用于镀锌生产的链条输送机

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1210133B (de) * 1964-04-22 1966-02-03 Georg Weddige Dr Ing Vorrichtung zum selbsttaetigen Beschicken von Metallschmelzen mit Barren
FR1444421A (fr) * 1965-07-23 1966-07-01 Ericsson Telefon Ab L M Dispositif de chargement pour creuset
DE3148344A1 (de) * 1981-12-07 1983-06-09 Preh, Elektrofeinmechanische Werke, Jakob Preh, Nachf. Gmbh & Co, 8740 Bad Neustadt Masselbeschickungseinrichtung fuer eine warmkammerdruckgiessmaschine
FR2543163A1 (fr) * 1983-03-21 1984-09-28 Lefebvre Guy Installation pour la fusion de lingots de metal
JPS62238358A (ja) * 1986-04-10 1987-10-19 Nippon Kokan Kk <Nkk> メツキ槽内へのインゴツト供給方法

Also Published As

Publication number Publication date
DE69300219T2 (de) 1995-11-02
DE69300219D1 (de) 1995-08-03
EP0572290A1 (de) 1993-12-01
ATE124469T1 (de) 1995-07-15
FR2691719B1 (fr) 1994-12-23
FR2691719A1 (fr) 1993-12-03
ES2076829T3 (es) 1995-11-01

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