Multi-Channel Drum Layout for Handling Rolled Products From Multiple Strands
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing methods for handling rolled long products from multiple strands in rolling mills are complex, requiring multiple drums and switching mechanisms, leading to increased maintenance and reduced production efficiency.
Innovation Solution
A method where at least two long products from different strands are introduced into the same drum through aligned channels, allowing simultaneous discharge onto a cooling bed, with the drum featuring multiple pairs of channels spaced at specific angles to accommodate products of varying diameters, and braking mechanisms to ensure stable alignment and handling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple drums and switching mechanisms are used to handle long products from different strands, then the handling capability is improved, but the device complexity increases
Solution Approach 1:
The patent merges multiple drum functions into a single drum by providing multiple pairs of channels within one drum structure. This allows one drum to handle long products from multiple strands simultaneously, eliminating the need for multiple separate drums and their associated switching mechanisms, thereby reducing device complexity while maintaining handling capability.
Solution Approach 2:
The drum is designed with universal functionality to receive and discharge long products from multiple different strands through its multiple pairs of channels. Each pair of channels can independently receive products from different strands, making the single drum a multi-functional device that replaces multiple specialized drums.
2Reliability
If multiple drums are allocated per strand, then the handling of each strand is ensured, but the maintenance requirements increase
Solution Approach 1:
By combining multiple drum units into one integrated drum structure with multiple pairs of channels, the patent reduces the total number of drums from two per strand to one drum handling multiple strands. This consolidation reduces the number of moving parts, bearings, and drive systems that require maintenance, thereby easing repair requirements while maintaining reliable handling through the multi-channel design.
3Productivity
If two pairs of drums are used per strand, then the bar handling is improved, but the plant size increases
Solution Approach 1:
The patent merges the function of four drums (two pairs per strand) into a single drum with multiple pairs of channels. This consolidation significantly reduces the space occupied by drum equipment and associated infrastructure, creating a more compact plant layout while maintaining the productivity needed to handle multiple strands simultaneously.
Solution Approach 2:
The drum utilizes its rotational dimension and radial space efficiently by incorporating multiple pairs of channels at different angular positions. This three-dimensional utilization of space within a single drum allows it to perform the work of multiple drums without proportionally increasing the plant's footprint, thereby reducing overall plant size while maintaining production rate.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
The invention concerns a drum (10,12) for receiving, transporting and discharging long metal products (P) such as bar or the like, preferably coming from a hot rolling mill, characterized in that said drum comprises at least one pair of channels (C1-C2) extending longitudinally around its circumference, said at least one pair of channels being arranged to receive simultaneously two long products (P), respectively one long product in each one of the channels part of the pair. The invention also concerns a method and a system for handling long rolled products coming from different strands of a rolling mill.