A nozzle swirl generating device and a nozzle swirl continuous casting method

A generating device and swirl generator technology, which is applied to casting equipment, casting molten material containers, metal processing equipment, etc., can solve the problem of affecting the service life of the submerged nozzle, the guide groove is easily blocked or eroded, and the swirl strength is weakened, etc. problems, achieve the effect of reducing nozzle nodulation, preventing nozzle clogging, and improving flow state
CN105965003BActive Publication Date: 2018-05-29NORTHEASTERN UNIV LIAONING
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
NORTHEASTERN UNIV LIAONING
Publication Date
2018-05-29

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Abstract

A nozzle cyclone generating device and a nozzle cyclone continuous casting method. The device is divided into a cylindrical cyclone generator and a cylindrical cyclone tundish. The cylindrical cyclone generator is installed inside the traditional continuous casting tundish. The traditional continuous casting The inner cavity of the tundish is connected to the immersed nozzle through the cylindrical cyclone generator; the cylindrical cyclone tundish has two installation forms. The first one: the cylindrical cyclone tundish is used in conjunction with the traditional continuous casting tundish. The cyclone tundish is installed outside the traditional continuous casting tundish, and the traditional continuous casting tundish is connected to the immersed nozzle through the cylindrical cyclone tundish; the second type: the cylindrical cyclone tundish is used alone, and the nozzle of the ladle is It is directly connected to the immersed water inlet through the cylindrical cyclone tundish. The method is: before continuous casting, select the nozzle swirl generating device according to the continuous casting process, and then assemble it with the traditional continuous casting tundish. During continuous casting, the molten steel will rotate under the action of the gravity of the molten steel and the tangential inlet, and the immersed The molten steel in the nozzle produces a rotating flow.
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Description

technical field

[0001] The invention belongs to the technical field of metal liquid pouring in the metallurgical industry, and in particular relates to a nozzle swirl flow generating device and a nozzle swirl continuous casting method. Background technique

[0002] The quality of iron and steel products is crucial to improving the competitiveness of iron and steel enterprises, and the production process of continuous casting of iron and steel is an important part of determining the quality of iron and steel products. In the continuous casting process of iron and steel, after passing through the ladle and the tundish, the molten steel will flow into the crystallizer through the submerged nozzle connected to the tundish, and cool and solidify in the mold to form a slab, while the flow of molten steel in the mold Field, temperature field and the stability of molten steel liquid level are crucial to the quality of casting slab.

[0003] Since the flow behavior of molten steel i...

Claims

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