IT1194516B - Rotary nozzle for metallurgical vessel - Google Patents
Rotary nozzle for metallurgical vesselInfo
- Publication number
- IT1194516B IT1194516B IT8324143A IT2414383A IT1194516B IT 1194516 B IT1194516 B IT 1194516B IT 8324143 A IT8324143 A IT 8324143A IT 2414383 A IT2414383 A IT 2414383A IT 1194516 B IT1194516 B IT 1194516B
- Authority
- IT
- Italy
- Prior art keywords
- frame
- nozzle
- casing
- base plate
- rotor
- Prior art date
Links
- 239000000919 ceramic Substances 0.000 abstract 4
Landscapes
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The nozzle comprises a base piece fixed to the bottom of the vessel and inner and outer sliding gates. The inner gate comprises a ceramic base plate with several nozzle openings, a support casing, a frame surrounding the casing, a first bearing block for rotatably mounting the casing in the frame so that the base plate can be turned by hand at the same time as the casing when the inner gate is open, and a first hinge for joining the frame to the base piece. The outer gate comprises a ceramic slide plate which cooperates with the ceramic base plate, a rotor confining the slide plate to prevent relative rotation and provided with a toothed outer rim, a frame for supporting the rotor for rotation by means of a second bearing block, a pressure mechanism positioned in the frame and exerting force on the lower surface of the rotor to press the slide plate against the ceramic base plate, and a second hinge for joining the frame to the base piece. The nozzle is useful for molten steel-contg. vessels such as ladles and tundishes. Change-over to different nozzle openings is facilitated; nozzle opening and closing is simple and safe; the relative positions of the nozzle plates can be finely controlled; and the nozzle can be easily and rapidly replaced as a unit.
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18792982U JPS5994760U (en) | 1982-12-14 | 1982-12-14 | Device to prevent falling of sliding plate bricks in rotary nozzle |
JP57217685A JPS59107765A (en) | 1982-12-14 | 1982-12-14 | Method for cooling coil spring of rotary nozzle |
JP57217684A JPS59107764A (en) | 1982-12-14 | 1982-12-14 | Door type rotary nozzle |
JP57227108A JPS59141364A (en) | 1982-12-27 | 1982-12-27 | Method and device for opening and closing door of rotary nozzle |
JP1982195384U JPS59121517U (en) | 1982-12-27 | 1982-12-27 | Threaded pin locking device |
JP1982195383U JPS59120059U (en) | 1982-12-27 | 1982-12-27 | sliding nozzle device |
JP2955183A JPS59156567A (en) | 1983-02-25 | 1983-02-25 | Rotary nozzle |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8324143A0 IT8324143A0 (en) | 1983-12-13 |
IT1194516B true IT1194516B (en) | 1988-09-22 |
Family
ID=27564223
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8324143A IT1194516B (en) | 1982-12-14 | 1983-12-13 | Rotary nozzle for metallurgical vessel |
Country Status (1)
Country | Link |
---|---|
IT (1) | IT1194516B (en) |
-
1983
- 1983-12-13 IT IT8324143A patent/IT1194516B/en active
Also Published As
Publication number | Publication date |
---|---|
IT8324143A0 (en) | 1983-12-13 |
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TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19961227 |