DEVICE FOR REMOVING FOREIGN SUBSTANCES FROM HOT-ROLLED STEEL STRIP
DE602023018736T2Active Publication Date: 2026-06-17POHANG IRON & STEEL CO LTD
Patent Information
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- POHANG IRON & STEEL CO LTD
- Filing Date
- 2023-10-04
- Publication Date
- 2026-06-17
AI Technical Summary
Technical Problem
Existing apparatuses fail to effectively prevent foreign substances from entering the hot-rolled steel strip during the winding process, leading to surface defects due to friction and spark-induced foreign substance attachment.
Method used
An apparatus utilizing high-pressure water injection units, including reverse, lateral, and forward direction nozzles, to remove foreign substances from the strip surface before winding, with adjustable flow rates and nozzle arrangements to manage friction and spark occurrence based on steel type.
Benefits of technology
Effectively prevents foreign substances from entering the wound coil by removing them in advance, reducing surface defects and ensuring smooth winding without interfering with measuring instruments.
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