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A roller hearth tunnel heating furnace

A technology of heating furnace and roller hearth type, applied in the field of metallurgy, can solve the problems of shortening the length of heating furnace, reducing equipment cost, length of heating furnace, etc., and achieve the effect of improving billet picking efficiency, reducing equipment cost and shortening length

Active Publication Date: 2019-09-20
SHOUGANG JINGTANG IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a roller hearth tunnel heating furnace, which solves or partly solves the technical problems in the prior art that the heating furnace is long, and there is a risk of casting slab deviation or even bumping out of the furnace wall, and realizes the premise of ensuring the heating effect. The technical effect of significantly shortening the length of the heating furnace, greatly reducing the probability of billet deviation in the furnace, and significantly reducing equipment costs

Method used

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  • A roller hearth tunnel heating furnace
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Embodiment Construction

[0041] The embodiment of the present application provides a roller hearth tunnel heating furnace, which solves or partially solves the technical problems in the prior art that the heating furnace is long, and there is a risk of casting slab deviation or even bumping out of the furnace wall. By setting the furnace body, The roller hearth tunnel heating furnace composed of multiple burners, sealing devices, the first automatic flame cutting gun and the second automatic flame cutting gun can significantly shorten the length of the heating furnace and greatly reduce the cost of casting slab while ensuring the heating effect. The probability of deviation in the furnace significantly reduces the technical effect of equipment cost.

[0042] See attached figure 1 and 2 , The application provides a roller hearth tunnel heating furnace, including: a furnace body, a plurality of burners, a sealing device 7, a first automatic flame cutting gun 3 and a second automatic flame cutting gun 4...

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Abstract

The invention relates to a roller bottom type tunnel heating furnace. The furnace comprises a furnace body, a plurality of burners and a sealing device, a first automatic flame cutting gun and a second automatic flame cutting gun, the furnace body comprises a furnace top, a furnace bottom roller and two side furnace walls, the plurality of burners are arranged on the inner wall of the furnace wallat intervals; the sealing device is arranged in the furnace body; a cutting gun furnace door is arranged at one side end of the sealing device, and the first automatic flame cutting gun correspondingto the cutting gun furnace door is arranged outside the furnace wall; the first automatic flame cutting gun is obliquely arranged relative to the longitudinal section of the furnace body; the secondautomatic flame cutting gun is arranged at the outlet position of the furnace body; and the second automatic flame cutting gun is obliquely arranged relative to the longitudinal section of the furnacebody, and the inclination direction of the second automatic flame cutting gun is opposite to the inclination direction of the first automatic flame cutting gun. The roller bottom type tunnel heatingfurnace can obviously shorten the length of the heating furnace on the premise of ensuring the heating effect, so that the deviation probability of casting blanks in the furnace can be greatly reduced, and the equipment cost can be remarkably reduced.

Description

technical field [0001] The invention relates to the technical field of metallurgy, in particular to a roller hearth tunnel heating furnace. Background technique [0002] The heating furnace is the key equipment connecting the continuous casting and rolling production line in the thin slab continuous casting and rolling production line. The buffer zone between the continuous casting machine and the rolling mill to connect and coordinate the production of the two. [0003] Because the working system of the rolling mill and the casting machine is different, the rolling mill needs to replace the roll after rolling a certain amount of strip steel; in addition, some accidental factors will cause rolling interruption. In order to avoid the above-mentioned factors causing the continuous casting to stop, the heating furnace should have a certain buffer capacity to accommodate or digest the slab sent by the continuous casting. Buffer capacity refers to the maximum time that the heat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D11/126B22D11/128B22D11/12
Inventor 齐明光赵继武王国连郭世晨潘彪蒋海涛胡显堂刘树清刘海云张敏张弛王永和马硕杨林王新朋黄爽
Owner SHOUGANG JINGTANG IRON & STEEL CO LTD
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