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Multi-port continuous casting equipment

A technology with multiple nozzles and equipment, which is applied in the field of metallurgical continuous casting, can solve problems such as increased equipment cost, difficulty in controlling the flow of molten steel, and complex flow control equipment in the tundish, and achieves the effects of simple equipment, convenient control, and low cost

Pending Publication Date: 2019-06-21
沈阳麒飞新型材料科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This solution also makes the tundish flow control equipment more complicated, which not only increases the equipment cost, but also brings difficulties to the flow control of molten steel. Due to the size limitation of the stopper rod in a more compact structure, this method is difficult to realize

Method used

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  • Multi-port continuous casting equipment
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Embodiment 1

[0028] The present invention is a multi-nozzle casting equipment for a continuous casting machine, comprising a stopper 1, a tundish 2, molten steel 3, an inner bracket 4, an upper nozzle 5, a porous brick 6, a movable insert plate 7, a lifting bracket 8, and a compression spring 9 , Outer support 10, nozzle 11.

[0029] The tundish 2 contains liquid steel 3. The stopper rod 1 is inserted into the tundish, located on the upper part of the upper nozzle 5. The bottom of the stopper rod 1 matches the contact surface of the upper nozzle 5. The lower stopper rod 1 can completely block the upper nozzle. The nozzle is used to cooperate with the upper nozzle 5 to control the flow of molten steel. Have the embedding hole that cooperates with upper nozzle 5 above the perforated brick 6, make it fixed. The porous brick 6 is embedded in the bottom of the tundish, and is integrated with the tundish through a refractory material. A molten steel channel is provided in the porous brick 6 to...

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Abstract

The invention discloses multi-port continuous casting equipment, and relates to the field of metallurgy continuous casting. The equipment comprises a stopper rod (1), a tundish (2), molten steel (3),a water feeding port (5), water ports (11), an inner support (4), a porous brick (6), a movable inserting plate (7), a lifting support (8), a compression spring (9) and an outer support (10); and theporous brick (6) is arranged outside the water feeding port (5), a molten steel channel is arranged in the the porous brick (6), a plurality of molten steel outlets are formed in the molten steel channel downwards, the movable inserting plate (7) is installed on the inner support (4), the outer portion of the inner support (4) is the outer support (10), and the compression spring (9) is arranged between the lifting support (8) and the outer support (10). The casting equipment is suitable for a plate blank with large width and thickness ratio, a round blank with large specification, a square blank with large specification, an annular blank and special-shaped blank, so that tundish upper portion equipment is simple and convenient to control, meanwhile, the requirement for simultaneous casting of the plurality of water ports at the lower part is met, and a blank shell of the casting blank is uniformly formed.

Description

[0001] Technical field: [0002] The invention relates to the field of metallurgical continuous casting, in particular to equipment for continuous casting with multiple nozzles. [0003] Background technique: [0004] In the continuous pouring process of molten steel, the submerged nozzle not only has the function of protecting the steel flow and preventing the secondary oxidation of the molten steel, but also can change the flow state of the flow in the crystallizer and disperse the heat brought by the flow. Promotes uniform growth of shells. In the conventional continuous casting process of billets, slabs and round billets, a single nozzle is used for casting, and only one submerged nozzle is used to guide molten steel from the tundish to the mold. [0005] The flow field of molten steel determines the temperature field of molten steel, which affects the initial solidification of molten steel, the effect of mold slag, and the floating of inclusions, which in turn affects the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D11/10B22D11/14
Inventor 祖大伟王跃忠
Owner 沈阳麒飞新型材料科技有限公司
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