IT1194516B - Rotary nozzle for metallurgical vessel - Google Patents

Rotary nozzle for metallurgical vessel

Info

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
Application number
IT8324143A
Other languages
Italian (it)
Other versions
IT8324143A0 (en
Inventor
Yoshihara Tetsuya
Original Assignee
Nippon Kokan Kk
Kokan Kikai Kogyo Kk
Nippon Rotary Nozzle Co Ltd
Tokyo Yogyo Kk
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
Priority claimed from JP18792982U external-priority patent/JPS5994760U/en
Priority claimed from JP57217685A external-priority patent/JPS59107765A/en
Priority claimed from JP57217684A external-priority patent/JPS59107764A/en
Priority claimed from JP57227108A external-priority patent/JPS59141364A/en
Priority claimed from JP1982195384U external-priority patent/JPS59121517U/en
Priority claimed from JP1982195383U external-priority patent/JPS59120059U/en
Priority claimed from JP2955183A external-priority patent/JPS59156567A/en
Application filed by Nippon Kokan Kk, Kokan Kikai Kogyo Kk, Nippon Rotary Nozzle Co Ltd, Tokyo Yogyo Kk filed Critical Nippon Kokan Kk
Publication of IT8324143A0 publication Critical patent/IT8324143A0/en
Application granted granted Critical
Publication of IT1194516B publication Critical patent/IT1194516B/en

Links

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.
IT8324143A 1982-12-14 1983-12-13 Rotary nozzle for metallurgical vessel IT1194516B (en)

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)

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