Modular Pulper Rotor Vanes for Fast Wear Replacement
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing pulper rotors suffer from rapid wear due to harmful particles, leading to decreased efficiency and operational issues, requiring time-consuming repairs and changes in vane profiles, which are cumbersome and costly.
Innovation Solution
A pulper rotor design featuring removably attached insert vanes with screw and form-fitting attachments, allowing easy replacement and optimization of vane profiles without disassembling the entire rotor.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the pulper rotor vanes are made as a single cast piece, then the rotor has high strength and structural integrity, but the rotor becomes difficult to repair and requires complete disassembly for maintenance
Solution Approach 1:
The pulper rotor is divided into modular components: a rotor body and separately replaceable vanes. The vanes are attached to the rotor body through removable connections (such as keys, slots, or bolting mechanisms), allowing individual vanes to be detached and replaced without disassembling the entire rotor structure. This segmentation enables easy maintenance while preserving the structural integrity of the rotor body.
2Duration of action of stationary object
If the pulper rotor vanes are made from wear-resistant material, then the vanes have longer service life, but the rotor weight increases
Solution Approach 1:
Only the vanes, which are the components subject to wear from foul particles, are made from wear-resistant materials. The rotor body can be made from lighter, less expensive materials. This localized application of wear-resistant material extends vane service life without significantly increasing the overall rotor weight, as the wear-resistant material is applied only where needed.
3Reliability
If the entire pulper rotor is replaced when vanes wear out, then the rotor maintains optimal performance, but the downtime and repair costs increase
Solution Approach 1:
The rotor is designed with replaceable vanes that can be individually swapped out when worn. This allows maintenance crews to quickly replace only the worn vanes rather than the entire rotor assembly, significantly reducing downtime while maintaining rotor performance. The modular design enables rapid reconfiguration of the rotor with fresh vanes.
4Productivity
If different vane profiles are used to optimize production and energy consumption, then the pulper efficiency improves, but the complexity of rotor configuration increases
Solution Approach 1:
The rotor vanes are designed as separate, interchangeable modules that can be attached to the rotor body in different configurations. This allows different vane profiles to be easily swapped and combined on the same rotor, enabling optimization of pulper efficiency for different operating conditions without increasing the fundamental rotor structure complexity. The modular approach makes it simple to reconfigure the rotor by changing vane arrangements.
Data Source
Figure 1A~1B
Figure 2A~2B
Figure 3A~3D
AI summary
The invention relates to a pulper rotor (10) comprising a pulper rotor body (15), which has a center hub (12) and from the outer circumference of the center hub (12) extending a plurality of wings (14). The pulper rotor (10) further comprises a plurality of insert vanes (20), each of the insert vanes (20) is removably attached to the pulper rotor body (15) at the respective wings (14) thereof and the insert vanes (20) are attached to the pulper rotor body (15) by a formfitting attachment.