Baking device and method for integral water gap of continuous casting tundish

A continuous casting tundish and baking device technology, which is applied to casting equipment, casting molten material containers, metal processing equipment, etc., can solve the problems of continuous casting production impact, achieve low pressure and flow requirements, ensure baking effect, Easy to operate and reliable effect

Active Publication Date: 2015-04-29
HENGYANG VALIN STEEL TUBE
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the integral nozzle cannot be replaced if it is blocked during baking, and the continuous casting production will be affected.

Method used

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  • Baking device and method for integral water gap of continuous casting tundish
  • Baking device and method for integral water gap of continuous casting tundish

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Embodiment Construction

[0017] A continuous casting tundish integral nozzle baking device, which includes a cylindrical baking barrel 1-1 with a closed bottom and an open upper end, and a refractory material layer 1-6 is provided on the inner wall and bottom of the baking barrel 1-1 , two symmetrical supports 1-7 are welded on the outer wall of the baking barrel 1-1. A ventilation duct 1-3 is arranged on the cylinder wall of the baking barrel 1-1, and one end of the ventilation duct 1-3 is welded on the outer wall of the baking barrel 1-1, and is connected with the inner cavity of the baking barrel 1-1. In the same way, the other end of the ventilation pipe 1-3 is welded with an exhaust pipe joint 1-4, the angle between the exhaust pipe joint 1-4 and the air pipe 1-3 is 150 degrees, and the diameter of the exhaust pipe joint 1-4 is less than The diameter of the air duct 1-3 adopts an arc transition at its junction. Also welded with a blowing pipe joint 1-5 on the vent pipe 1-3, the diameter of the b...

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Abstract

The invention discloses a baking device and method for an integral water gap of a continuous casting tundish. The baking device comprises a cylindrical baking barrel, wherein the inner wall and the bottom of the baking barrel are respectively provided with a refractory material layer, two symmetrical supports are welded on the outer wall of the baking barrel, an air duct is arranged on the barrel wall of the baking barrel, one end of the air duct is welded on the outer wall of the baking barrel, an exhaust pipe joint and a blowing pipe joint are welded at the other end of the air duct, and a cover plate is further welded at the opening end of the baking barrel. The baking method comprises the steps of: during baking, inserting the integral water gap into the baking device, tightly binding up the outer wall of the integral water gap and a combination part at the upper port of the baking device with asbestos cloth, then igniting to bake the tundish for 1.5-2 hours, opening a compressed air valve when the temperature inside the tundish reaches 700-800 DEG C, blowing compressed air into the blowing pipe joint, introducing smoke in the tundish to be exhausted from the exhaust pipe joint, and baking the integral water gap of the tundish.

Description

technical field [0001] The invention relates to a device and a baking method for baking a nozzle of a continuous casting tundish in the metallurgical industry, in particular to a device and a method for baking an integral nozzle of a continuous casting tundish. Background technique [0002] At present, arc-shaped continuous casting tundish nozzle has two forms: split nozzle and integral nozzle. The split nozzle is composed of two parts: the tundish nozzle and the crystallizer immersion nozzle. as one. There are mainly two kinds of baking devices for the nozzle of the tundish: suction type and negative pressure type. The suction type baking device needs auxiliary equipment such as induced draft fans, and its structure is relatively complicated, and it occupies a limited working space in the continuous casting tundish area; The pressure-type baking device requires a good seal at the connection with the tundish nozzle, and requires high-pressure compressed air. Both of the tw...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D41/015
Inventor 田汉蒲付剑肖鸿光孙群保宁建成
Owner HENGYANG VALIN STEEL TUBE
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