Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Laminar flow cooling U type control method and system used for hot rolling strip steel

A laminar cooling, hot-rolled strip technology, applied in the field of strip cooling, can solve problems such as performance differences between the head and tail of the strip, and achieve the effect of offsetting performance differences, avoiding performance differences, and preventing violent temperature fluctuations

Active Publication Date: 2016-04-20
武汉钢铁有限公司
View PDF4 Cites 8 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, because the hot-rolled strip is finally stored in the form of steel coils, the head and tail of the strip can be more fully in contact with the air, resulting in a significant difference in performance between the head and tail of the strip and the middle

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Laminar flow cooling U type control method and system used for hot rolling strip steel
  • Laminar flow cooling U type control method and system used for hot rolling strip steel
  • Laminar flow cooling U type control method and system used for hot rolling strip steel

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0041] Specifically, please continue to refer to figure 2 As shown, the present invention is used for the preferred embodiment of the laminar flow cooling U-type control method of hot-rolled strip steel and comprises the following steps:

[0042] Step S1: Judging whether the finishing rolling group F1 is connected. If the finish rolling unit F1 is switched on, it means that the strip is about to enter the finish rolling process, and step S2 is executed. If the finish rolling unit F1 has not been connected, it means that the strip steel has not entered the finish rolling process, and step S1 is continued.

[0043] Step S2: Read model parameters. In order to facilitate equipment transformation and upgrading, in this embodiment, the basic model and the U-shaped cooling model are designed separately. When needing to adopt laminar flow cooling U-type control method of the present invention, read basic model parameter and U-type cooling model parameter simultaneously; When not n...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a laminar flow cooling U type control method used for hot rolling strip steel. According to the method, strip steel is cooled in five sections, wherein the first section is the head part with cooling length of HL1, the cooling temperature of the first section is cooling temperature T1 of the head part; the second section is a head part buffering region with cooling length of HL2, the cooling temperature of the second section is cooling temperature T2 of the head part buffering region; the third section is the middle part with cooling length of ML, the cooling temperature of the third section is coiling temperature CT; the fourth section is a tail buffering region with cooling length of TT1, the cooling temperature of the fourth section is the cooling temperature T3 of the tail buffering region; and the fifth section is a tail part with cooling length of TT2, and the cooling temperature of the fifth section is the cooling temperature T4 of the tail part. The invention also discloses a laminar flow cooling U type control system used for the hot rolling strip steel. The control method and system can effectively eliminate performance differences between the head and tail parts and the middle part of the strip steel.

Description

technical field [0001] The invention relates to strip steel cooling technology, in particular to a U-shaped control method and system for laminar flow cooling of hot-rolled strip steel. Background technique [0002] In the production process of hot-rolled strip steel, in order to further improve product quality and increase economic benefits, and obtain high-quality mechanical properties of hot-rolled strip steel, after the hot-rolled strip steel leaves the last stand finishing mill and before entering the coiler, it needs The steel is cooled rapidly to control the coiling temperature of the strip, which is the set temperature, also called the target coiling temperature. It is generally believed that the coiling temperature control takes the set temperature as the axis, the smaller the fluctuation range, the higher the control accuracy, and the better the control level, and it also requires uniform cooling throughout the entire length of the strip to ensure uniform mechanica...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): B21B37/74
CPCB21B37/74
Inventor 李鹏程彭维纲蔡卫佳傅萧然郑小根张军袁金李传张鹏武李文峰
Owner 武汉钢铁有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com