Continuous casting anti-blocking submersed nozzle
An anti-clogging, immersion technology, used in foundry equipment, casting melt containers, metal processing equipment, etc., can solve the problems of drift vibration, affecting the outflow of molten steel, affecting the strength of the nozzle, reducing secondary oxidation, stable and continuous pouring effect
Active Publication Date: 2019-03-05
BAOSHAN IRON & STEEL CO LTD
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Abstract
The invention provides a continuous casting anti-blocking submersed nozzle which comprises a nozzle body. An inner cavity of the nozzle body is cylindrical, and an inlet of the nozzle body is formed in the top of the nozzle body. A nozzle slag line is arranged in the middle of the nozzle body, and two discharging holes are symmetrically formed in the side wall, close to the bottom of the nozzle body, of the nozzle body. The discharging holes are inclined downwards from the inside to the outside of the nozzle body. The continuous casting anti-blocking submersed nozzle can be widely used for a continuous casting steel production procedure, secondary oxidation of molten steel is reduced, and stable and continuous casting is achieved. In order to improve the corrosion resistance of the slag line, corrosion-resistant BN is added to the slag line of the nozzle, and produced corrosion products cannot pollute the molten steel and cannot be caked. Argon is blown into the nozzle, and caking is avoided.
Application Domain
Melt-holding vessels
Technology Topic
SlagCorrosion resistant +4
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