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EP0001035B1 - Mixer, especially mixer for pig iron - Google Patents

Mixer, especially mixer for pig iron Download PDF

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Publication number
EP0001035B1
EP0001035B1 EP78100017A EP78100017A EP0001035B1 EP 0001035 B1 EP0001035 B1 EP 0001035B1 EP 78100017 A EP78100017 A EP 78100017A EP 78100017 A EP78100017 A EP 78100017A EP 0001035 B1 EP0001035 B1 EP 0001035B1
Authority
EP
European Patent Office
Prior art keywords
chamber
mixer
pouring
pig iron
pouring chamber
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
Application number
EP78100017A
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German (de)
French (fr)
Other versions
EP0001035A1 (en
Inventor
Ernst Riegler
Manfred Schmidt
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.)
Voestalpine AG
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Voestalpine AG
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 Voestalpine AG filed Critical Voestalpine AG
Publication of EP0001035A1 publication Critical patent/EP0001035A1/en
Application granted granted Critical
Publication of EP0001035B1 publication Critical patent/EP0001035B1/en
Expired 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
    • F27D3/14—Charging or discharging liquid or molten material
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/06—Constructional features of mixers for pig-iron

Definitions

  • the invention relates to a mixer, in particular pig iron mixer, with a mixer chamber fixed to the foundation or mounted on a vehicle, which is connected by a passage arranged near the floor to a pouring chamber which can be pivoted relative to the mixer chamber in the manner of communicating vessels.
  • a mixer of the type described at the outset is also known from DE-C-250708, in which a vessel designed in the manner of a hearth furnace has a deflection nozzle which penetrates its base and a rotatable emptying nozzle which adjoins it.
  • a vessel designed in the manner of a hearth furnace has a deflection nozzle which penetrates its base and a rotatable emptying nozzle which adjoins it.
  • Such a device is difficult to line up, prone to failure and cannot be completely emptied. It is also only suitable for a small capacity. If the sealing surfaces between the rotatable outlet connection and the deflection connection become damaged, material losses are unavoidable. There is a risk of incrustation and even breakthroughs.
  • the invention aims to avoid the difficulties outlined and has the task of creating a fixed mixer, in which no attention must be paid to the gas tightness; in which the amount of melt to be removed can be metered well; where only the melt weight has to be taken into account for the dimensioning of its walls; which can be completely emptied and can be repaired in the event of malfunctions in a pouring chamber without having to shut down the mixer as a whole
  • cylindrical mixer chamber is provided on its two end walls in a symmetrical configuration, each with a pivotable pouring chamber, the pivot axis of which runs near the floor, preferably through the passage, and in that each pouring chamber by means of a shut-off device, such as a slide, can be locked at the passage.
  • the pouring chamber is advantageously pivotable about a pivot axis parallel to the cylinder axis and has a length of approximately the diameter of the mixer chamber.
  • the pouring chamber is expediently provided with a counterweight diametrically opposite about its pivot axis, the center of gravity common to the counterweight and the pouring chamber filled with pig iron being in the vertical position of the pouring chamber below its pivot axis.
  • a pivoting drive is provided with two pressure medium cylinders, preferably telescopic cylinders, which are arranged symmetrically to the pouring chamber and are each fixed on the one hand and articulated on the pouring chamber on the other hand.
  • a slag overflow opening which can be closed by means of a shut-off device is expediently provided on the mixer chamber.
  • FIG. 1 showing a side view
  • FIG. 2 an end view of a pig iron mixer in a schematic representation
  • 3 shows a section taken along the line 111-111 of FIG. 2 on an enlarged scale.
  • a mixer chamber of a pig iron mixer designed with a circular cylindrical cross section, which is mounted stationary on the foundations 4 via foundation supports 2 and 3.
  • the pig iron mixer is filled through the pouring opening 5, which can be closed by a cover 6 by means of a cover lifting mechanism 7.
  • a heating device 8 is provided for heating the mixer chamber.
  • a slag overflow opening 9, which can be closed by a gate valve 10, serves to remove the slag.
  • a pouring chamber 12, 12 'designed as a pipe elbow is provided on each of the two end walls 11, 11', each with the interior of the mixer chamber through a passage 14, 14 'arranged in the vicinity of the bottom 13 of the same in the manner of communicating vessels are connected.
  • the pouring chambers 12 and 12 ' are pivotable about the axes 15 and 15' on the mixer chamber bar attached, the axes being arranged in the center of the passage and parallel to the cylinder axis 16 of the mixer chamber 1.
  • the bottom 13 of the mixer chamber is inclined towards the passages 14, 14 ', so that the passages lie at the lowest points of the pig iron mixer.
  • Pouring spouts 17 are provided laterally at the upper ends of the pouring chambers 12, 12 '.
  • the vertical part of each pouring chamber is guided somewhat higher than the maximum permissible fill level, which is denoted by 18 in FIG. 1.
  • Both pouring chambers 12 and 12 ' can be pivoted from their vertical rest position, which is shown in FIG. 2 with solid lines, on both sides by at least 90 ° in pouring positions, which are shown in FIG. 2 with dash-dotted lines.
  • Two pivoting telescopic cylinders 19, which are arranged symmetrically with respect to it, are provided as swivel drives. To remove the pig iron, the pouring chambers are each inclined by means of the telescopic cylinder 19 until the pig iron emerges from the pouring spout 17 in a calm jet.
  • a counterweight 20 is provided on each pouring chamber at the lower end, which is dimensioned such that the counterweight 20 and the pouring chamber filled with pig iron 12 or 12 'common center of gravity is in the rest position of the pouring chamber below the pivot axis 15.
  • each passage 14 or 14 ' can be closed with a slide 21, which is shown in detail in FIG. 3. After closing the slide, the pouring chamber to be repaired can be removed and replaced with an intact one.
  • the removal of pig iron can take place from two sides, i.e. removal is possible in two crane areas and thus from two different halls.
  • Fig. 1 the slag floating on the pig iron, which is designated by 22, is shown.
  • the end walls 11, 11 'of the mixer chamber act as a slag separator, so that only slag-free pig iron flows into each of the pouring chambers.
  • the pig iron mixer according to the invention is not tied to any particular external shape and position; the cylindrical mixer chamber can also be set up on the foundation with a vertical axis.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Description

Die Erfindung betrifft einen Mischer, insbesondere Roheisenmischer, mit einer am Fundament feststehend oder auf einem Fahrzeug montierten Mischerkammer, welche durch einen in Bodennähe angeordneten Durchtritt mit einer gegenüber der Mischerkammer schwenkbaren Ausgießkammer nach Art kommunizierender Gefäße verbunden ist.The invention relates to a mixer, in particular pig iron mixer, with a mixer chamber fixed to the foundation or mounted on a vehicle, which is connected by a passage arranged near the floor to a pouring chamber which can be pivoted relative to the mixer chamber in the manner of communicating vessels.

Es ist bekannt, Großraum-Roheisenmischer stationär, d.h. auf einem Fundament feststehend auszubilden, um eine Kipplagerung und einen Kippantrieb, die für metallurgische Großraumgefäße einen beträchtlichen Aufwand darstellen, zu vermeiden. Bei einem bekannten stationären Roheisenmischer ist das Roheisen unter Zuhilfenahme von Druckgas aus dem Mischer entnehmbar, indem das Roheisen durch in die Mischerkammer eingeleitetes Druckgas in eine am Roheisenmischer unbeweglich montierte Ablaufrinne gedrückt wird. Der in der Mischerkammer während der Entnahme des Roheisens zu erzeugende Gasdruck muß dabei für die Dimensionierung der Wände des Roheisenmischers berücksichtigt werden. Außerdem muß bei einem Roheisenmischer dieser Art auf die Gasdichtheit des Mantels, insbesondere an der Einfüllöffnung geachtet werden. Schwierigkeiten ergaben sich durch den in der Mischerkammer vorhandenen federnden Gaspolster beim exakten Dosieren der aus dem Mischer zu entnehmenden Roheisenmenge.It is known to use large-scale pig iron mixers stationary, i.e. trained on a foundation in order to avoid a tilting bearing and a tilting drive, which represent a considerable effort for large metallurgical vessels. In a known stationary pig iron mixer, the pig iron can be removed from the mixer with the aid of pressurized gas, in that the pig iron is pressed into a drainage channel immovably mounted on the pig iron mixer by pressurized gas introduced into the mixer chamber. The gas pressure to be generated in the mixer chamber during the removal of the pig iron must be taken into account for the dimensioning of the walls of the pig iron mixer. In addition, in the case of a pig iron mixer of this type, attention must be paid to the gas tightness of the jacket, in particular at the filling opening. Difficulties arose from the resilient gas cushion present in the mixer chamber in the exact metering of the amount of pig iron to be removed from the mixer.

Es ist auch ein Mischer der eingangs bezeichneten Art durch die DE - C - 250708 bekannt, bei der ein nach Art eines Herdofens ausgebildetes Gefäß einen seinen Boden durchsetzenden Umlenkstutzen und einen daran anschließenden, drehbaren Entleerungsstutzen aufweist. Eine solche Vorrichtung ist schwierig auszumauern, störanfällig und kann nicht vollständig entleert werden. Sie ist auch nur für ein geringes Fassungsvermögen geeignet. Bei Schadhaftwerden der Dichtungsflächen zwischen dem drehbaren Auslaufstutzen und dem Umlenkstutzen sind Materialverluste unvermeidlich. Es besteht die Gefahr von Verkrustungen und sogar von Durchbrüchen.A mixer of the type described at the outset is also known from DE-C-250708, in which a vessel designed in the manner of a hearth furnace has a deflection nozzle which penetrates its base and a rotatable emptying nozzle which adjoins it. Such a device is difficult to line up, prone to failure and cannot be completely emptied. It is also only suitable for a small capacity. If the sealing surfaces between the rotatable outlet connection and the deflection connection become damaged, material losses are unavoidable. There is a risk of incrustation and even breakthroughs.

Die Erfindung bezweckt die Vermeidung der geschilderten Schwierigkeiten und stellt sich die Aufgaben, einen feststehenden Mischer zu schaffen, bei dem auf die Gasdichtheit nicht geachtet werden muß; bei dem die zu entnehmende Schmelzenmenge gut dosierbar ist; bei dem für die Dimensionierung seiner Wände nur das Schmelzengewicht berücksichtigt werden muß; der vollständig entleerbar ist und bei Betriebsstörungen an einer Ausgießkammer eine Reparatur möglich ist, ohne den Mischer als Ganzes stillegen zu müssen.The invention aims to avoid the difficulties outlined and has the task of creating a fixed mixer, in which no attention must be paid to the gas tightness; in which the amount of melt to be removed can be metered well; where only the melt weight has to be taken into account for the dimensioning of its walls; which can be completely emptied and can be repaired in the event of malfunctions in a pouring chamber without having to shut down the mixer as a whole

Diese Aufgaben werden erfindungsgemäß dadurch gelöst, daß die zylindrisch ausgebildete Mischerkammer an ihren beiden Stirnwänden in symmetrischer Ausbildung mit jeweils einer schwenkbaren Ausgießkammer versehen ist, deren Schwenkachse in Bodennähe, vorzugsweise durch den Durchtritt verläuft, und daß jede Ausgießkammer mittels eines Absperrorganes, wie eines Schiebers, am Durchtritt absperrbar ist.These objects are achieved according to the invention in that the cylindrical mixer chamber is provided on its two end walls in a symmetrical configuration, each with a pivotable pouring chamber, the pivot axis of which runs near the floor, preferably through the passage, and in that each pouring chamber by means of a shut-off device, such as a slide, can be locked at the passage.

Vorteilhaft ist die Ausgießkammer um eine zur Zylinderachse parallele Schwenkachse schwenkbar und weist eine Länge von etwa dem Durchmesser der Mischerkammer auf.The pouring chamber is advantageously pivotable about a pivot axis parallel to the cylinder axis and has a length of approximately the diameter of the mixer chamber.

Zweckmäßig ist die Ausgießkammer mit einem um ihre Schwenkachse diametral gegenüberliegenden Gegengewicht versehen, wobei der dem Gegengewicht und der mit Roheisen gefüllten Ausgießkammer gemeinsame Schwerpunkt in vertikaler Lage der Ausgießkammer unterhalb ihrer Schwenkachse liegt. Dies hat den Vorteil, daß die Ausgießkammer bei Ausfall ihres Schwenkantriebes selbsttätig in die Ruheposition zurückkehrt, wodurch ein ungewolltes Ausfließen von Schmelze mit Sicherheit vermieden wird.The pouring chamber is expediently provided with a counterweight diametrically opposite about its pivot axis, the center of gravity common to the counterweight and the pouring chamber filled with pig iron being in the vertical position of the pouring chamber below its pivot axis. This has the advantage that the pouring chamber automatically returns to the rest position in the event of failure of its swivel drive, thereby reliably preventing the melt from flowing out unintentionally.

Es ist weiters vorteilhaft, daß ais Schwenkantrieb zwei symmetrisch zur Ausgießkammer angeordnete, jeweils einerseits ortsfest und anderseits an der Ausgießkammer angelenkte Druckmittelzylinder, vorzugsweise Teleskopzylinder, vorgesehen sind.It is furthermore advantageous that a pivoting drive is provided with two pressure medium cylinders, preferably telescopic cylinders, which are arranged symmetrically to the pouring chamber and are each fixed on the one hand and articulated on the pouring chamber on the other hand.

Zweckmäßig ist an der Mischerkammer eine mittels eines Absperrorganes verschließbare Schlackenüberlauföffnung vorgesehen.A slag overflow opening which can be closed by means of a shut-off device is expediently provided on the mixer chamber.

Die Erfindung ist nachstehend anhand der Zeichnung an einem Ausführungsbeispiel näher erläutert, wobei Fig. 1 eine Seitenansicht und Fig. 2 eine Stirnansicht eines Roheisenmischers in schematischer Darstellung zeigen. In Fig. 3 ist ein nach der Linie 111-111 der Fig. 2 geführter Schnitt in vergrößertem Maßstab dargestellt.The invention is explained in more detail below with reference to the drawing using an exemplary embodiment, with FIG. 1 showing a side view and FIG. 2 an end view of a pig iron mixer in a schematic representation. 3 shows a section taken along the line 111-111 of FIG. 2 on an enlarged scale.

Mit 1 ist eine mit kreiszylindrischem Querschnitt gestaltete Mischerkammer eines Roheisenmischers bezeichnet, die über Fundamentstützen 2 und 3 auf dem Fundament 4 stationär gelagert ist. Das Füllen des Roheisenmischers erfolgt durch die Einguß- öffnung 5, welche durch einen Deckel 6 mittels eines Deckelhubwerkes 7 verschließbar ist. Zur Beheizung der Mischerkammer ist eine Heizeinrichtung 8 vorgesehen. Zur Schlackenentnahme dient eine Schlackenüberlauföffnung 9, die durch einen Absperrschieber 10 verschlossen werden kann. Zur Entnahme des Roheisens ist an jeder der beiden Stirnwände 11, 11' eine als Rohrknie ausgebildete Ausgießkammer 12, 12' vorgesehen, die jeweils mit dem Innenraum der Mischerkammer durch einen in Nähe des Bodens 13 derselben angeordneten Durchtritt 14, 14' nach Art kommunizierender Gefäße verbunden sind. Die Ausgießkammern 12 und 12' sind um die Achsen 15 bzw. 15' an der Mischerkammer schwenkbar befestigt, wobei die Achsen durchtrittsmittig und parallel zur Zylinderachse 16 der Mischerkammer 1 angeordnet sind. Der Boden 13 der Mischerkammer ist zu den Durchtritten 14, 14' hin geneigt, sodaß die Durchtritte an den tiefsten Stellen des Roheisenmischers liegen. An den oberen Enden der Ausgießkammern 12, 12' sind seitlich Ausgießschnauzen 17 vorgesehen. Der vertikale Teil jeder Ausgießkammer ist etwas höher geführt als der maximal zulässige Füllstand, der in Fig. 1 mit 18 bezeichnet ist, liegt.1 designates a mixer chamber of a pig iron mixer designed with a circular cylindrical cross section, which is mounted stationary on the foundations 4 via foundation supports 2 and 3. The pig iron mixer is filled through the pouring opening 5, which can be closed by a cover 6 by means of a cover lifting mechanism 7. A heating device 8 is provided for heating the mixer chamber. A slag overflow opening 9, which can be closed by a gate valve 10, serves to remove the slag. To remove the pig iron, a pouring chamber 12, 12 'designed as a pipe elbow is provided on each of the two end walls 11, 11', each with the interior of the mixer chamber through a passage 14, 14 'arranged in the vicinity of the bottom 13 of the same in the manner of communicating vessels are connected. The pouring chambers 12 and 12 'are pivotable about the axes 15 and 15' on the mixer chamber bar attached, the axes being arranged in the center of the passage and parallel to the cylinder axis 16 of the mixer chamber 1. The bottom 13 of the mixer chamber is inclined towards the passages 14, 14 ', so that the passages lie at the lowest points of the pig iron mixer. Pouring spouts 17 are provided laterally at the upper ends of the pouring chambers 12, 12 '. The vertical part of each pouring chamber is guided somewhat higher than the maximum permissible fill level, which is denoted by 18 in FIG. 1.

Beide Ausgießkammern 12 und 12' sind aus ihrer vertikalen Ruhelage, welche in Fig. 2 mit voll ausgezogenen Linien dargestellt ist, beidseitig um mindestens 90° in Ausgießstellungen schwenkbar, welche in Fig. 2 mit strichpunktierten Linien eingezeichnet sind. Als Schwenkantrieb sind je zwei symmetrisch zu ihr angeordnete Teleskopzylinder 19 vorgesehen, die mit einem Ende ortsfest und mit dem anderen Ende jeweils an der Ausgießkammer 12, 12' angelenkt sind. Zur Entnahme des Roheisens werden die Ausgießkammern mittels der Teleskopzylinder 19 jeweils so weit geneigt, bis das Roheisen im ruhigen Strahl aus der Ausgießschnauze 17 austritt.Both pouring chambers 12 and 12 'can be pivoted from their vertical rest position, which is shown in FIG. 2 with solid lines, on both sides by at least 90 ° in pouring positions, which are shown in FIG. 2 with dash-dotted lines. Two pivoting telescopic cylinders 19, which are arranged symmetrically with respect to it, are provided as swivel drives. To remove the pig iron, the pouring chambers are each inclined by means of the telescopic cylinder 19 until the pig iron emerges from the pouring spout 17 in a calm jet.

Um ein ungewolltes Ausfließen von Roheisen bei Versagen des Schwenkantriebes mit Sicherheit zu vermeiden, ist an jeder Ausgießkammer am unteren Ende ein Gegengewicht 20 vorgesehen, welches so bemessen ist, daß der dem Gegengewicht 20 und der mit Roheisen gefüllten Ausgießkammer 12 bzw. 12' gemeinsame Schwerpunkt in Ruhelage der Ausgießkammer unterhalb der Schwenkachse 15 liegt.In order to avoid an unwanted outflow of pig iron in the event of failure of the swivel drive, a counterweight 20 is provided on each pouring chamber at the lower end, which is dimensioned such that the counterweight 20 and the pouring chamber filled with pig iron 12 or 12 'common center of gravity is in the rest position of the pouring chamber below the pivot axis 15.

Um an einer Ausgießkammer Wartungs- bzw. Reparaturarbeiten durchführen zu können, ist jeder Durchtritt 14 bzw. 14' mit einem Schieber 21, der im Detail in Fig. 3 dargestellt ist, verschließbar. Nach Verschließen des Schiebers kann die zu reparierende Ausgießkammer ausgebaut und gegen eine intakte ausgetauscht werden.In order to be able to carry out maintenance or repair work on a pouring chamber, each passage 14 or 14 'can be closed with a slide 21, which is shown in detail in FIG. 3. After closing the slide, the pouring chamber to be repaired can be removed and replaced with an intact one.

Wie insbesondere aus Fig. 2 ersichtlich ist, kann die Entnahme von Roheisen von zwei Seiten erfolgen, d.h. die Entnahme ist in zwei Kranbereichen und damit von zwei verschiedenen Hallen aus möglich.As can be seen in particular from Fig. 2, the removal of pig iron can take place from two sides, i.e. removal is possible in two crane areas and thus from two different halls.

In Fig. 1 ist die auf dem Roheisen schwimmende Schlacke, die mit 22 bezeichnet ist, dargestellt. Die Stirnwände 11, 11' der Mischerkammer wirken als Schlackenabscheider, sodaß in jede der Ausgießkammern immer nur schlackenfreies Roheisen fließt.In Fig. 1, the slag floating on the pig iron, which is designated by 22, is shown. The end walls 11, 11 'of the mixer chamber act as a slag separator, so that only slag-free pig iron flows into each of the pouring chambers.

Der erfindungsgemäße Roheisenmischer ist an keine bestimmte äußere Form und Lage gebunden; es kann die zylindrische Mischerkammer auch mit vertikaler Achse am Fundament aufgestellt werden.The pig iron mixer according to the invention is not tied to any particular external shape and position; the cylindrical mixer chamber can also be set up on the foundation with a vertical axis.

Claims (5)

1. Mixer, in particular pig iron mixer, having a mixing chamber (1) stationarily arranged on the base or mounted on a vehicle, the mixing chamber being connected, like communicating vessels, with a pouring chamber (12, 12') that is pivotable relative to the mixing chamber, via a passage (14, 14') provided near the bottom, characterised in that the cylindrically designed mixing chamber (1), on its two front walls (11, 11'), is provided in a symmetrical manner with one pivotable pouring chamber (12, 12') each, whose pivot axis (15, 15') extends near the bottom, preferably through the passage (14, 14'), and that each pouring chamber (12, 12') is lockable at the passage (14, 14') by means of a locking organ, such as a slider (21).
2. Mixer according to claim 1, characterised in that the pouring chamber (12, 12') is pivotable about a pivot axis (15, 15') which is parallel to the cylinder axis (16) and has a length approximately corresponding to the diameter of the mixing chamber (1).
3. Mixer according to claim 1 or 2, characterised in that the pouring chamber (12, 12') is provided with a bob weight (20) arranged opposite the same diametrically to its pivot axis (15, 15'), the centre of gravity common to the bob weight (20) and the pouring chamber (12, 12') filled with pig iron being below the pivot axis (15, 15') of the pouring chamber in the vertical position of the same.
4. Mixer according to claims 1 to 3, characterised in that as pivot drive two pressure medium cylinders, preferably telescope cylinders (19), are provided, which are arranged symmetrically to the pouring chamber (12, 12') and are each stationary on the one hand and hinged to the pouring chamber (12, 12') on the other hand.
5. Mixer according to claims 1 to 4, characterised in that a skimmer opening (9) is provided on the mixing chamber (1), which skimmer opening is closeable by a locking organ (10).
EP78100017A 1977-09-02 1978-06-01 Mixer, especially mixer for pig iron Expired EP0001035B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT6322/77 1977-09-02
AT0632277A AT367099B (en) 1977-09-02 1977-09-02 MIXERS, ESPECIALLY RAW IRON MIXERS

Publications (2)

Publication Number Publication Date
EP0001035A1 EP0001035A1 (en) 1979-03-21
EP0001035B1 true EP0001035B1 (en) 1980-10-01

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ID=3585132

Family Applications (1)

Application Number Title Priority Date Filing Date
EP78100017A Expired EP0001035B1 (en) 1977-09-02 1978-06-01 Mixer, especially mixer for pig iron

Country Status (5)

Country Link
US (1) US4200266A (en)
EP (1) EP0001035B1 (en)
AT (1) AT367099B (en)
DE (1) DE2860187D1 (en)
IT (1) IT7827159A0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT382389B (en) * 1985-06-13 1987-02-25 Voest Alpine Ag METHOD AND PLANT FOR RECOVERY OF LODGE SLAG
CN1041696C (en) * 1995-11-13 1999-01-20 大重集团公司 Melten iron mixing trolley

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE185965C (en) *
DE250708C (en) *
US998787A (en) * 1910-07-07 1911-07-25 Theodor Loehe Tilting forehearth for furnaces.
US1969325A (en) * 1931-07-21 1934-08-07 John D Pugh Hot metal car
US2039738A (en) * 1933-05-03 1936-05-05 John D Pugh Metallurgical furnace
US3032841A (en) * 1957-03-08 1962-05-08 Edmund Q Sylvester Methods and apparatus for casting metal
US3433472A (en) * 1965-10-22 1969-03-18 United States Steel Corp Apparatus for controlling flow of liquid from a container
US3441261A (en) * 1966-03-11 1969-04-29 Ajax Magnethermic Corp Constant level holding furnaces
DE2052101A1 (en) * 1970-10-23 1972-04-27 Dr. Schmitz & Apelt Industrieofenbau GmbH, 5600 Wuppertal-Langerfeld Metal melt transfer and dispensing method - for die casting machines

Also Published As

Publication number Publication date
AT367099B (en) 1982-05-25
ATA632277A (en) 1981-10-15
DE2860187D1 (en) 1981-01-08
EP0001035A1 (en) 1979-03-21
IT7827159A0 (en) 1978-08-30
US4200266A (en) 1980-04-29

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