US3484026A - Apparatus for casting metal from a container with a sliding nozzle - Google Patents

Apparatus for casting metal from a container with a sliding nozzle Download PDF

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Publication number
US3484026A
US3484026A US662468A US3484026DA US3484026A US 3484026 A US3484026 A US 3484026A US 662468 A US662468 A US 662468A US 3484026D A US3484026D A US 3484026DA US 3484026 A US3484026 A US 3484026A
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US
United States
Prior art keywords
container
plug
molten metal
sliding plate
sliding nozzle
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
US662468A
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English (en)
Inventor
Alfred Zehnder
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.)
Interstop AG
Original Assignee
Interstop AG
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Filing date
Publication date
Application filed by Interstop AG filed Critical Interstop AG
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Publication of US3484026A publication Critical patent/US3484026A/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/14—Closures
    • B22D41/44—Consumable closure means, i.e. closure means being used only once
    • B22D41/46—Refractory plugging masses
    • B22D41/465—Unplugging a vessel discharge port
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/14—Closures
    • B22D41/22—Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings
    • B22D41/24—Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings characterised by a rectilinearly movable plate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P3/00—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
    • F16P3/02—Screens or other safety members moving in synchronism with members which move to and fro
    • F16P3/04—Screens or other safety members moving in synchronism with members which move to and fro for machines with parts which approach one another during operation, e.g. for stamping presses

Definitions

  • CONTAINER A APPARATUS FOR CAST ME L FRO WITH A DI NOZZL Filed Aug. 22. 1967 INVENTOR.
  • stoppered nozzles have normally been used for controlling the flow of molten metal out of a container.
  • the disadvantages of the stoppered nozzles as compared with the sliding nozzles are well known and therefore it is unnecessary to go into details in this respect.
  • the out-flowing metal is controlled by displacing a sliding plate having an opening arranged to be disposed below a discharge opening in the container.
  • the sliding plate is moved perpendicularly to the direction of the discharge jet of molten metal.
  • this object is achieved by introducing a plug into the discharge opening, charging the container with the metal to be cast whereby the metal is held back from the sliding nozzle by the plug, opening the sliding nozzle at the commencement of the casting operation and thereafter bringing the metal into contact with and passing it through the sliding nozzle.
  • FIG. 1 shows a partial section through a container having a closed sliding nozzle with a flexible plug according to the present invention
  • FIG. 2 shows the position of the flexible plug of FIG. 1 after the sliding nozzle is opened
  • FIG. 3 shows a partial section through a container, having a closed sliding nozzle with a rigid plug, disclosing another embodiment of the present invention.
  • FIGS. 1 and 2 show the lower portion of a container 2 which has been charged with a quantity of a low-melting-point metal 71.
  • a sliding plate 5 and its opening 6 along with the sealing parts of the container 2 form a sliding nozzle.
  • a discharge opening 4 is formed in the base of the container above this sliding nozzle.
  • An opening 7 serves to contain and direct the jet of molten metal discharged from the container.
  • a guide mechanism 8 directs the sliding plate 5 between its opened and closed positions and seals off the inside of the container 2 when the sliding nozzle is closed.
  • a cup-shaped plug 70 having an outwardly directed flange at its upper open end, is introduced into the opening 4 thereby avoiding any penetration of the molten metal 71 into the guide mechanism 8. If such a penetration of the molten metal took place, the metal would solidify in the guide mechanism 8 thereby making any displacement action of the sliding plate 5 difiicult if not impossible. Also, the disposition of the plug relative to the container walls relieves the sliding plate from the forces which are caused by the pressure of the molten metal 71.
  • FIG. 2 shows a position of the plug 70 after the sliding nozzle is fully opened.
  • the flexible plug 70 is pressed out of the opening 4 by the pressure of the molten metal 71 thereby bringing the molten metal 71 into contact with the sliding nozzle and enabling it to be discharged from the container 2.
  • FIG. 3 shows the lower part of a container 2 which has been charged with a high-melting-point metal 1, e.g., steel.
  • a rigid plug is introduced into the opening 4.
  • the plug and the opening may consist of such a form, that the pressure of the molten metal is transmitted to the brick lining of the container 2 thereby relieving the sliding plate 5 from any forces associated with this pressure.
  • the material chosen for the plug consists of a material similar to the metal to be cast, whereby the discharge operation is initiated when the sliding nozzle is opened 'by positioning the opening 6 in the sliding plate 5 below the opening 4 and by burning out the plug 90.
  • the plug can be removed and the molten metal can be made to flow out of the container by applying electric heat, such as induction heating, to parts of the plug 90 and the metal 1 in the opening 4.
  • electric heat such as induction heating
  • the method according to the invention does not preclude the application of a plug, which is supported by the sliding plate.
  • the plug may consist of a lower meltingpoint material with a higher specific weight than the metal to be cast or may even consist of two materials.
  • the first step according to which a sliding plate is moved to its closed position, can be omitted.
  • This step is preferably carried out for safety reasons. Also this step need not necessarily be carried out before the plug has been inserted into the discharge opening.
  • An apparatus for casting metals comprising a container adapted to hold a quantity of molten metal and having a discharge opening in the base thereof, a sliding nozzle incorporating a sliding plate having an opening therethrough disposed within and supported by said container below said discharge opening, said sliding plate being positionable between a closed position for preventing the fiow of molten metal from said discharge opening and an opened position for permitting the flow of molten metal from the discharge opening, a plug being positioned within said discharge opening above said sliding nozzle and forming a seal adapted to maintain the molten metal out of contact from said sliding nozzle, said plug having a cup-shaped configuration and being fitted into the discharge opening of said container with its open end directed upwardly, an outwardly directed flange formed about the open end of said plug and said flange being supported on the walls of said container at the discharge opening therefrom when said sliding plate is in the closed position and said plug being formed of a flexible material whereby when said sliding plate is moved to its open position said plug is adapted to be displaced downwardly from the discharge opening
  • An apparatus for casting metals comprising a container adapted to hold a quantity of molten metal and having a longitudinally extending passage-way extending downwardly from a discharge opening in the base of said container, said passageway having an inlet end at the discharge opening in said container and an outlet end for flowing the molten metal from said container, a sliding nozzle incorporating a sliding plate having an opening therethrough and being arranged in said passageway at an intermediate position between theinlet and outlet ends thereof, said sliding plate being supported by the portion of said container forming said passageway and being positionable in a rectilinear direction transverse to the axis of said passageway between a closed position for sealing said passageway and preventing flow of molten metal from the discharge opening therein and an opened position for flowing molten metal from said container through the discharge opening, means positioned within said passageway between the inlet thereto and said sliding plate for forming a closure for said passageway when said sliding plate is in the closed position to prevent molten metal within said container from passing downwardly through the passageway into
  • said means comprises a member being formed of a flexible material and being arranged to be supported on said sliding plate and extending therefrom upwardly along the surfaces of said passageway whereby the molten metal within said passageway forces said member into contact with the surface of said passageway for preventing the downward flow of the molten metal between the upwardly directed surface of said member and the surface of said passageway.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Safety Valves (AREA)
US662468A 1966-08-23 1967-08-22 Apparatus for casting metal from a container with a sliding nozzle Expired - Lifetime US3484026A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1214466A CH452123A (de) 1966-08-23 1966-08-23 Verfahren zum Vergiessen von Metallen aus einem Giessgefäss mit Schiebeverschluss

Publications (1)

Publication Number Publication Date
US3484026A true US3484026A (en) 1969-12-16

Family

ID=4380303

Family Applications (1)

Application Number Title Priority Date Filing Date
US662468A Expired - Lifetime US3484026A (en) 1966-08-23 1967-08-22 Apparatus for casting metal from a container with a sliding nozzle

Country Status (6)

Country Link
US (1) US3484026A (de)
AT (1) AT275063B (de)
CH (1) CH452123A (de)
DE (1) DE1583645B1 (de)
GB (1) GB1154054A (de)
LU (1) LU54330A1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3743139A (en) * 1971-08-09 1973-07-03 United States Steel Corp Method and apparatus for initiating pouring from a blocked opening of a bottom pour vessel
US4108675A (en) * 1975-01-29 1978-08-22 Nippon Kokan Kabushiki Kaisha Brick for sliding closure of vessel for holding molten metal
US4175974A (en) * 1975-07-16 1979-11-27 Oesterreichisch-Amerikanische Magnesit Aktiengesellschaft Sliding shutters of basic refractory material
US4562943A (en) * 1982-08-23 1986-01-07 Leybold-Heraeus Gmbh Method of and device for controlling the pouring of a melt
US4795066A (en) * 1982-09-23 1989-01-03 Kaiser Steel Corporation Ladle nozzle insert
CN102528009A (zh) * 2012-03-15 2012-07-04 刘海平 一种连铸助开塞

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3623541A (en) * 1969-10-29 1971-11-30 William L Schmitz Metal casting apparatus
US3850225A (en) * 1973-09-27 1974-11-26 Gen Motors Corp Start-up method and apparatus for continuous casting
GB1494477A (en) * 1973-11-16 1977-12-07 Stopinc Ag Slide gate nozzle
DE2921742C2 (de) * 1979-05-29 1983-09-29 Mannesmann AG, 4000 Düsseldorf Elektro-Metallschmelzofen mit im Boden angeordneter Abstichöffnung
US4520861A (en) * 1983-11-18 1985-06-04 Republic Steel Corporation Method and apparatus for alloying continuously cast steel products
DE3704786A1 (de) * 1987-02-16 1988-11-03 Krupp Stahl Ag Verfahren zum angiessen einer ein- oder mehradrigen stranggiessanlage

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US311902A (en) * 1885-02-10 Stopper for ladles
US1007188A (en) * 1911-03-09 1911-10-31 George F Dickson Wax-melter.
US1125671A (en) * 1914-01-02 1915-01-19 George E Dunton Method of backing up electrotype-shells in the manufacture of electrotype printing-plates.
GB183241A (en) * 1921-04-19 1922-07-19 William Rowlands Improvements in or relating to teeming devices for ladles adapted to hold molten steel
US1797566A (en) * 1930-01-18 1931-03-24 Herman C Brown Baked-core tap-hole plug
US2348199A (en) * 1943-10-20 1944-05-09 Henry G Freeman Ladle for molten metal and method of sealing closures therein
US2883722A (en) * 1958-11-24 1959-04-28 Bidner John Method and apparatus for freeing stopper rod in bottom pouring steel ladle
US2967339A (en) * 1958-09-26 1961-01-10 Lukens Steel Co Ladle
DE1162032B (de) * 1957-04-19 1964-01-30 Balzers Vakuum Ges Mit Beschra Verfahren zum Abgiessen von schmelzfluessigen Metallen sehr hoher Temperatur aus einem unter Vakuum oder Schutzgas stehenden Behaelter und Behaelter mit Verschluss zur Durchfuehrung des Verfahrens
US3201837A (en) * 1962-04-06 1965-08-24 Griffin Wheel Co Method and apparatus for casting metal articles

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1049547B (de) * 1956-12-12 1959-01-29 Bochumer Ver Fuer Gussstahlfab Vorrichtung zum elektrisch gesteuerten Vergiessen von Metall
AT207053B (de) * 1957-04-19 1960-01-11 Geraetebau Anstalt Bodenverschluß für Gießpfannen u. dgl.

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US311902A (en) * 1885-02-10 Stopper for ladles
US1007188A (en) * 1911-03-09 1911-10-31 George F Dickson Wax-melter.
US1125671A (en) * 1914-01-02 1915-01-19 George E Dunton Method of backing up electrotype-shells in the manufacture of electrotype printing-plates.
GB183241A (en) * 1921-04-19 1922-07-19 William Rowlands Improvements in or relating to teeming devices for ladles adapted to hold molten steel
US1797566A (en) * 1930-01-18 1931-03-24 Herman C Brown Baked-core tap-hole plug
US2348199A (en) * 1943-10-20 1944-05-09 Henry G Freeman Ladle for molten metal and method of sealing closures therein
DE1162032B (de) * 1957-04-19 1964-01-30 Balzers Vakuum Ges Mit Beschra Verfahren zum Abgiessen von schmelzfluessigen Metallen sehr hoher Temperatur aus einem unter Vakuum oder Schutzgas stehenden Behaelter und Behaelter mit Verschluss zur Durchfuehrung des Verfahrens
US2967339A (en) * 1958-09-26 1961-01-10 Lukens Steel Co Ladle
US2883722A (en) * 1958-11-24 1959-04-28 Bidner John Method and apparatus for freeing stopper rod in bottom pouring steel ladle
US3201837A (en) * 1962-04-06 1965-08-24 Griffin Wheel Co Method and apparatus for casting metal articles

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3743139A (en) * 1971-08-09 1973-07-03 United States Steel Corp Method and apparatus for initiating pouring from a blocked opening of a bottom pour vessel
US4108675A (en) * 1975-01-29 1978-08-22 Nippon Kokan Kabushiki Kaisha Brick for sliding closure of vessel for holding molten metal
US4175974A (en) * 1975-07-16 1979-11-27 Oesterreichisch-Amerikanische Magnesit Aktiengesellschaft Sliding shutters of basic refractory material
US4562943A (en) * 1982-08-23 1986-01-07 Leybold-Heraeus Gmbh Method of and device for controlling the pouring of a melt
US4795066A (en) * 1982-09-23 1989-01-03 Kaiser Steel Corporation Ladle nozzle insert
CN102528009A (zh) * 2012-03-15 2012-07-04 刘海平 一种连铸助开塞
CN102528009B (zh) * 2012-03-15 2016-07-06 刘海平 一种连铸助开塞

Also Published As

Publication number Publication date
DE1583645B1 (de) 1971-11-18
AT275063B (de) 1969-10-10
GB1154054A (en) 1969-06-04
CH452123A (de) 1968-05-31
LU54330A1 (de) 1969-06-16

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