A combined water cooling device for bar rolling

By using a combined water-cooling device with low-pressure water cooling and reverse air blowing technology, the problem of excessively high workpiece temperature during bar rolling was solved, resulting in improved product quality and reduced costs, meeting the requirements of the new national standard.

CN224542703UActive Publication Date: 2026-07-24JIUGANG GRP YUZHONG STEEL & IRON CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIUGANG GRP YUZHONG STEEL & IRON CO LTD
Filing Date
2025-07-31
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

At present, excessively high rolling temperatures in bar rolling processes lead to blistering defects of iron oxide on the surface of rebar and poor product quality. In addition, in order to meet the requirements of the new national standard, alloying elements need to be added, which increases costs.

Method used

A combined water-cooling device is adopted, including an inlet end assembly, a water-cooling section assembly, and a slow cooling section assembly. Through low-pressure water cooling and reverse air blowing, the temperature of the rolled piece is controlled within the range of 900-950℃, avoiding surface iron oxide blistering and excessive use of alloying elements.

Benefits of technology

It effectively reduces production costs, improves product quality, meets national standards, reduces the addition of alloying elements, especially vanadium, solves the problem of iron oxide blistering on the surface of steel, and enhances the market competitiveness of products.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a combined water cooling device for bar rolling belongs to bar rolling technical field, has solved the problem that bar rolling process of present stage can not use strong water to carry out quick cooling to the rolled piece, the utility model discloses an inlet end assembly, water cooling section assembly, slow cooling section assembly and installation dolly, and the inlet end assembly, water cooling section assembly, slow cooling section assembly are set up on the installation dolly top respectively, and the inlet end assembly sets up at one end of the installation dolly, and the water cooling section assembly sets up between the inlet end assembly and slow cooling section assembly. The utility model solves the quality defects such as iron oxide blistering on the surface of steel, effectively reduces production cost, can satisfy all specifications and different rolling process use, and the versatility is strong.
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