An adjustment method for the cooling fan in the over-aging section of the continuous cooling unit

A technology of continuous cooling unit and cooling fan, which is applied in the direction of heat treatment process control, furnace, furnace type, etc. It can solve the problems of increasing the risk of fan damage and not being able to adjust the outlet temperature in time, so as to increase the economic benefits of the enterprise, prolong the service life, and ensure The effect of high-speed production

Active Publication Date: 2021-04-16
BAOSTEEL ZHANJIANG IRON & STEEL CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Consider relying on the traditional manual adjustment method to improve the operation of the fan, which may easily cause visual fatigue of manual monitoring, which will lead to manual negligence and failure to adjust the outlet temperature setting in time, making the fan run at full load and increasing the risk of fan damage

Method used

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  • An adjustment method for the cooling fan in the over-aging section of the continuous cooling unit

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Embodiment Construction

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0027] combine figure 1 As shown, taking the parameters of a cold tandem rolling unit as an example, the adjustment method for the cooling fan in the over-aging section of the continuous annealing unit is introduced in detail:

[0028] Step 1, collect the parameters of the continuous cooling fan, including: the rated power P of the two fans in the OA1 section and OA2 section of the continuous cooling unit 1e =100%, P 2e =100%, fan safety factor λ=0.95, meeting th...

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Abstract

The invention discloses an adjustment method for a cooling fan in the over-aging section of a continuous cooling unit, comprising: collecting parameters of the continuous cooling fan; setting the outlet temperature T of the OA1 section 10 =T min +kΔT; collect fan power P in OA1 section at this temperature 10 , OA2 fan power P 20 ;Judging whether the inequality is true; Calculate the outlet temperature T of the OA1 section 10 The actual fan power utilization coefficient η of OA1 and OA2 sections 1 , η 2 , judging the inequality |η 1 ‑η 2 |≤F 0 Whether it is established or not; judge the inequality T 10 ≤ T max Whether it is true; judge whether i>0 is true; output the optimal strip temperature T at the exit of OA1 section without speed reduction 10Y ;The maximum output speed does not exceed V and the optimal strip temperature T at the exit of OA1 section 10Y , the invention solves the problem of uneven power distribution of the cooling fan in the over-aging section.

Description

technical field [0001] The invention relates to the technical field of metallurgical annealing, in particular to an adjustment method for a cooling fan in the overaging section of a continuous annealing unit. Background technique [0002] The continuous annealing unit has the advantages of high production efficiency, diversified product varieties, high product quality and low production cost, and is widely used in major iron and steel enterprises at home and abroad. The core equipment of the continuous annealing unit is the annealing furnace, and the process sections in the annealing furnace include: preheating section (PHS), heating section (HS), soaking section (SS), slow cooling section (SCS), fast cooling section ( RCS), over-aging section (OAS), final cooling section (FCS). The overaging section of the strip steel in the furnace mainly plays a key role in the internal structure of the strip steel and the performance of the strip steel. [0003] The over-aging section ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C21D9/573C21D11/00C21D1/26
CPCC21D1/26C21D9/573C21D11/005
Inventor 袁文振王骏飞彭俭王亮
Owner BAOSTEEL ZHANJIANG IRON & STEEL CO LTD
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