Method for adjusting deviation of plate blank of walking furnace by phase method

A technology of stepping heating furnace and phase method, applied in heat treatment furnaces, lighting and heating equipment, furnaces, etc., can solve the problems of slab deviation, slab hitting furnace wall, etc., so as to prevent accidents and avoid hitting furnace wall. effect of phenomenon

Inactive Publication Date: 2010-01-20
MCC TIANGONG GROUP
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Problems solved by technology

[0002] In modern iron and steel production enterprises, especially in hot-rolled steel mills, the heating furnace is one of the essential and important equipment. Usually, during the debugging process of the installed equipment, there are various reasons for th

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  • Method for adjusting deviation of plate blank of walking furnace by phase method
  • Method for adjusting deviation of plate blank of walking furnace by phase method
  • Method for adjusting deviation of plate blank of walking furnace by phase method

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[0012] Principle of the invention:

[0013] 1. The relationship between the rotation angle of the eccentric wheel and the lifting amount of the walking beam

[0014] Such as figure 1 As shown, the lift of the walking beam is the lift of the center O'of the outer circle of the eccentric, from figure 1 It can be concluded that the relationship between the rotation angle of the eccentric wheel and the lifting amount of the walking beam is:

[0015] h=e(1-Cosα)(1-1)

[0016] Where:

[0017] h- walking beam lift

[0018] e- eccentricity of eccentric wheel

[0019] α-Eccentric wheel rotation angle

[0020] Let e=100, the elevation of the fixed beam is +800, the elevation of the movable beam is +700 at the lower limit, and the elevation is +900 at the upper limit, that is, the movable beam contacts the slab when it rises 100 (the above parameters are the 1549mm hot strip mill of Taigang 1# heating furnace parameters). According to formula (1-1), the relationship function graph of α-h can be mad...

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Abstract

The invention discloses a method for adjusting the deviation of a plate blank of a walking furnace by a phase method, which comprises the step of: artificially obtaining the offset of the plate blank by changing a phase angle of a pair of eccentric wheels of the furnace to ensure that the eccentric wheel has a phase difference with the eccentric wheel on the other side to correct the deviation amount of the plate blank. The method has the advantages that: for the deviation, caused by any reason, of the plate blank of the walking beam furnace driven and lifted by an eccentric wheel mechanism, the deviation amount of the plate blank can be amended and adjusted by adjusting the phase angles of the eccentric wheels to ensure that the deviation amount of the plate blank is controlled within the stipulation of a specification, so the phenomenon that the plate blank collides the furnace wall is avoided and accidents are eradicated.

Description

Technical field: [0001] The invention belongs to a process method used in steel production, in particular to a method for adjusting the slab deviation of a walking heating furnace by a phase method. Background technique: [0002] In modern iron and steel production enterprises, especially in hot-rolled steel mills, the heating furnace is one of the essential and important equipment. Usually, during the commissioning process of the installed equipment, there are various reasons for the deviation of the slab. If If the amount of deviation exceeds a certain value, it is easy for the slab to hit the furnace wall, and the consequences are disastrous. Therefore, the deviation of the slab must be corrected during the debugging process. Invention content: [0003] The purpose of the present invention is to overcome the shortcomings of the above-mentioned prior art, and provide a method for adjusting the deviation of the slab in the walking heating furnace by the phase method, whic...

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Application Information

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IPC IPC(8): F27B9/14F27B9/30C21D9/56C21D11/00
Inventor 吴广成李思忠
Owner MCC TIANGONG GROUP
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