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Annealing furnace strip temperature process transition control method and device

A transition control and annealing furnace technology, applied in the direction of heat treatment process control, furnace, heat treatment furnace, etc., can solve the problems of short transition time, high randomness, low efficiency, etc. The effect of controlling stability

Active Publication Date: 2019-11-05
SHOUGANG JINGTANG IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The embodiment of the present application provides a method and device for controlling the transition of the annealing furnace belt temperature process, which solves the problem of manual adjustment by workers when controlling the outlet temperature during belt change in the prior art, which is more random and less efficient. To solve the technical problems, it realizes the automatic control of the outlet temperature when changing the belt, with high stability, short transition time, and the technical effect that it is not easy to produce belt-out products and waste products.

Method used

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  • Annealing furnace strip temperature process transition control method and device
  • Annealing furnace strip temperature process transition control method and device
  • Annealing furnace strip temperature process transition control method and device

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Embodiment 1

[0050] Such as figure 1As shown, this embodiment provides a method for controlling the temperature transition of an annealing furnace, which is applied to industrial control equipment, including:

[0051] Step S101: During the production switching process of two strips with different specifications, obtain the thickness value d1 of the strip steel of the previous specification and the set temperature value T1 of RTF (radiant tube heating section), and the thickness value d2 of the strip steel of the latter specification and RTF set temperature value T2. Among them, RTF (radiant tube heating section) is located at the exit of the annealing furnace.

[0052] In a specific implementation process, the industrial control equipment may be an industrial computer for controlling the annealing furnace.

[0053] Specifically, a control model can be set in the industrial computer, and the program code corresponding to the method in this embodiment is integrated in the control model, so...

Embodiment 2

[0080] Such as Image 6 As shown, this embodiment provides an annealing furnace temperature transition control device 200, including:

[0081] The obtaining unit 201 is used to obtain the thickness value d1 of the strip steel of the previous specification, the RTF set temperature value T1 of the radiant tube heating section, and the thickness value of the strip steel of the latter specification during the production switching process of two strip steels with different specifications d2 and RTF set temperature T2, the radiant tube heating section is located at the exit of the annealing furnace;

[0082] The control unit 202 is used to switch the production process according to the thickness value d1 and the RTF setting temperature value T1 of the strip steel of the previous specification, and the thickness value d2 and the RTF setting temperature value T2 of the strip steel specification of the latter specification. The RTF set temperature value T3 in the control.

[0083] Fu...

Embodiment 3

[0094] This embodiment provides an industrial control device, including a memory, a processor, and a computer program stored on the memory and operable on the processor. When the processor executes the program, the following steps can be implemented:

[0095]In the production switching process of two strips with different specifications, obtain the thickness value d1 of the strip steel of the previous specification and the RTF set temperature value T1 of the radiant tube heating section, as well as the thickness value d2 and the RTF set temperature value of the strip steel of the latter specification value T2, the radiant tube heating section is located at the exit of the annealing furnace; the temperature value T1 is set according to the thickness value d1 and RTF of the strip steel of the previous specification, and the thickness value d2 and RTF of the strip steel of the latter specification The set temperature value T2 controls the RTF set temperature value T3 during the pr...

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Abstract

The invention discloses an annealing furnace strip temperature process transition control method. The method is applied to industrial control equipment. The method comprises the following steps of ina production switching process of strip steel with different specifications, acquiring a thickness value d1 of the strip steel in the previous specification and a RTF set temperature value T1 of a heating section of a radiant tube, and acquiring a thickness value d2 of the strip steel in the later specification and a RTF set temperature value T2, wherein the radiant tube heating section is positioned at an outlet of a annealing furnace; and according to the thickness value d1 of the strip steel in the previous specification and the RTF set temperature value T1, and the thickness value d2 of the strip steel in the later specification and the RTF set temperature value T2, controlling a RTF set temperature value T3 in the production switching process. According to the method, the outlet temperature in the strip changing process can be automatically controlled, so that the control stability is improved, the transition time is shortened, and the technical effect that brought-out products and waste products are not prone to generate is realized.

Description

technical field [0001] The invention relates to the technical field of cold rolling process, in particular to a method and device for controlling transition of an annealing furnace with temperature process. Background technique [0002] In the heating section of the annealing furnace, the furnace temperature, the pass-band specification and the pass-band rolling speed of each heating zone jointly affect the pass-band exit temperature. There is a complex nonlinear relationship between the furnace temperature in the heating section and the pass-band target temperature, and each heating The control of the region affects each other, resulting in considerable difficulty in controlling the passband temperature. [0003] In the actual production process, due to changes in the production plan, there will often be belt changes. Due to the different specifications of the previous strip and the subsequent strip, the target temperature of the pass-band outlet needs to be adjusted accord...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D11/00C21D1/26C21D9/52
CPCC21D1/26C21D9/52C21D11/00
Inventor 乔梁熊爱明常生财李大哲宁媛媛
Owner SHOUGANG JINGTANG IRON & STEEL CO LTD
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