Hot-continuous-rolling strip steel side guide with heating function

A technology of hot continuous rolling and strip steel, which is applied in metal rolling, guiding/positioning/aligning devices, etc., can solve the problems of product quality reduction, edge cracking, plasticity decline of intermediate billets, etc., achieving obvious effect and preventing edge cracking. Effect

Inactive Publication Date: 2009-10-07
SHANXI TAIGANG STAINLESS STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the production of hot-rolled strip steel, especially when rolling 400-series stainless steel strip steel, the plasticity of the edge of the intermedia

Method used

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  • Hot-continuous-rolling strip steel side guide with heating function
  • Hot-continuous-rolling strip steel side guide with heating function
  • Hot-continuous-rolling strip steel side guide with heating function

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Embodiment one: figure 1 , figure 2 , image 3 As shown, this embodiment includes two rectangular metal blocks 1, 3, the angle between the two rectangular metal blocks is 130 degrees, and the two rectangular metal blocks are fixedly connected by a connecting piece 2. Four burners 4 are fixedly arranged on the top, and the burners 4 are connected with gas, and the gas is transported through the gas pipeline 6, and the valve 7 is set on the gas pipeline 6, and the valve 7 is controlled by the PLC-300 control system 8.

Embodiment 2

[0015] Embodiment 2: In this embodiment, several burners are installed inside the existing side guide and gas pipelines are connected, that is, several grooves are opened on the side of the existing side guide adjacent to the billet, and several burners are burnt. The nozzles are fixedly installed in these grooves, and the air duct is passed through the existing side guide, and the burners are all communicated with the air duct, and other structures are the same as in the first embodiment.

[0016] The burner (that is, the combustion device) can be a complex burner or a simple burner, as long as it can realize that the gas can be combusted, it is the MBG100 type used in the above-mentioned embodiments.

[0017] The complex burner includes ignition electrode and flame monitoring probe, combustion air blower, fuel pressurization pipe, ignition monitoring control device, combustion air pipe.

[0018] A simple burner is a simple gas nozzle and igniter.

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Abstract

The present invention belongs to an auxiliary means of metallurgy industry production equipment. The invention is used for controlling the position of rolled billet, and especially relates to a hot-continuous-rolling strip side guide with heating function. The hot-continuous-rolling strip side guide comprises two rectangular metal blocks. An angle which is larger than 90 DEG and less than 180 DEC is formed between the two rectangular metal blocks. The two rectangular metal blocks are fixedly connected through a connector. The invention is characterized in that one rectangular metal block wherein is fixedly installed with a plurality of combustion devices which are supplied with gas. The pipe for conveying gas is installed with a valve and a PLC-300 control system for controlling the valve. The hot-continuous-rolling strip side guide of the invention can partially heat an area in about 50-100 millimeters to the edge of rolled middle blank. The temperature at the edge of middle blank can be increased for more than 30 DEG C thereby preventing the generation of edge fracture caused by the overlow temperature of edge in the subsequent rolling. The effect of product quality increase is remarkable through the test of hot-continuous-rolling factory of Shanxi Taigang Stainless Steel Co., Ltd.

Description

Technical field: [0001] The invention belongs to an auxiliary tool for production equipment in the metallurgical industry, and is used for controlling the position of a rolling billet, in particular to a side guide for hot continuous rolling strip steel with a heating function. Background technique: [0002] In the production of hot-rolled strip steel, especially when rolling 400-series stainless steel strip steel, the plasticity of the edge of the intermediate billet is often too low, resulting in a decrease in plasticity, resulting in edge cracking in subsequent rolling, resulting in a reduction in product quality. Invention content: [0003] The object of the present invention is to provide a side guide for hot continuous strip steel with heating function capable of locally heating the edge of the intermediate billet. [0004] The technical solution for realizing the present invention is: comprising two rectangular metal blocks, the angle between the two rectangular met...

Claims

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Application Information

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IPC IPC(8): B21B1/26B21B39/14
Inventor 侯安全郭永亮
Owner SHANXI TAIGANG STAINLESS STEEL CO LTD
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