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Casting powder baking device for continuous casting

A baking device and mold slag technology, applied in the directions of drying, drying machine, drying gas arrangement, etc., can solve the problems of small baking range, poor baking effect, time control, space layout that cannot meet production rhythm, etc.

Pending Publication Date: 2020-07-10
WUHU XINXING DUCTILE IRON PIPES
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The indirect heating method of thermal radiation baking or pot baking is easy to operate, but it relies more on the experience of workers, the baking range is small, and the baking effect is poor.
Radiant baking can achieve a certain heating effect, but the heating is partial and cannot be heated evenly. According to the current production rhythm of the continuous casting process, a furnace of molten steel is poured for about 40 minutes, and 7-8 bags of mold slag are used to bake by radiation. Baking or pan method cannot meet the existing production rhythm due to time control and space layout constraints

Method used

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  • Casting powder baking device for continuous casting
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Embodiment Construction

[0022] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0023] In the present invention, unless otherwise specified, the orientation words included in the term such as "up, down, left, right, front, back, inside and outside" only represent the orientation of the term in the normal use state, or the common name understood by those skilled in the art. , and should not be construed as a limitation of this term.

[0024] see Figure 1-2 The mold slag baking device for continuous casting shown in the figure includes: a high-pressure vortex fan 2 arranged above the tundish 1, the air outlet of the high-pressure vortex fan 2 is connected with an air pipe 7, The air duct 7 is provided with a regulating valve 3; the continu...

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Abstract

The invention discloses a casting powder baking device for continuous casting. The casting powder baking device for continuous casting comprises a high-pressure vortex fan arranged above a tundish, wherein an air outlet of the high-pressure vortex fan is connected with an air pipe, and an adjusting valve is arranged on the air pipe. The casting powder baking device for continuous casting further comprises a fluidization box, fluidization particles; filter cloth and an air chamber are sequentially arranged in the fluidization box from top to bottom; the top of the fluidization box is open; andthe end, away from the air outlet, of the air pipe communicates with the air chamber. According to the casting powder baking device for continuous casting, the local overburning hidden danger is eliminated, the baking uniformity is improved, the heat transfer efficiency is improved, the bonding steel leakage accidents are reduced, smooth production is guaranteed, and the casting blank quality is further improved.

Description

technical field [0001] The invention relates to a mold flux baking device for continuous casting. Background technique [0002] Mold slag is very easy to absorb moisture during transportation, storage and use in a large amount of steam environment of the casting machine. After moisture absorption, due to the influence of the adhesion of the water vapor film, the spreadability of the mold slag deteriorates during the casting process, and the risk of agglomeration is very high, resulting in incomplete coverage of the molten steel, resulting in secondary oxidation of the molten steel and meniscus The surface solidified prematurely. The water content of mold powder is generally controlled at less than 0.5%, and when the water content is greater than 1.0%, it cannot be used, otherwise it is easy to cause defects such as air bubbles and cracks in the billet. The indirect heating method of thermal radiation baking or pot baking is easy to operate, but it relies more on the experi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F26B3/08F26B21/00F26B21/12B22D11/111
CPCF26B3/082F26B21/003F26B21/12B22D11/111
Inventor 郭勤宇李海李瑞鹏姚建
Owner WUHU XINXING DUCTILE IRON PIPES
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