Disc Filter Fixing Node for Easy Maintenance
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Solution Overview
Problem
Existing disc filter designs are complex, expensive, and time-consuming to maintain due to the need to unscrew multiple bolts and risk of losing tools and components during assembly and repair processes.
Innovation Solution
The disc filter employs radial beams made of flat strips oriented along the central tube's longitudinal axis with fixing nodes that include an elongated fixing plate and a through hole for a disconnectable fixing unit, allowing for secure attachment and easy manipulation of filtration elements without requiring extensive tool use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple bolts and complex fixing mechanisms are used to secure filtration elements, then the reliability of attachment is improved, but the ease of repair and maintenance time are worsened
Solution Approach 1:
The fixing mechanism is segmented into modular components: a fixing plate with multiple through-holes, individual bolts, and washers. This segmentation allows selective tightening or loosening of individual bolts to access specific filtration elements, rather than requiring complete disassembly of multiple secured components. The modular design enables localized maintenance while preserving the integrity of the overall attachment system.
Solution Approach 2:
Washers are introduced as intermediary elements between the bolts and the fixing plate/filtration elements. These washers distribute the clamping force and provide a stable interface that prevents bolt slippage and facilitates easier bolt manipulation during maintenance. The intermediary washer layer reduces friction and allows for smoother assembly and disassembly operations.
2Strength
If multiple bolts and complex tools are required for assembly and repair, then the securing strength is improved, but the loss of tools and components is worsened
Solution Approach 1:
The fixing plate design incorporates multiple through-holes that allow bolts to be accessed and manipulated from the same side as the filtration elements. This self-service configuration enables maintenance personnel to tighten or loosen bolts without requiring complex multi-sided tool access, reducing the likelihood of tools being lost in difficult-to-reach areas. The design makes the fixing system self-sufficient for basic maintenance operations.
Solution Approach 2:
The fixing plate is designed as a simple, inexpensive component with through-holes that can be easily manufactured and replaced if necessary. Rather than using complex, expensive fixing mechanisms that require specialized tools, the invention employs a straightforward bolt-and-plate system where the plate itself can serve as a disposable or easily replaceable element, reducing the risk of losing valuable tools during maintenance.
3Reliability
If extensive tool use is required for maintenance, then the attachment security is improved, but the maintenance time is worsened
Solution Approach 1:
The fixing plate serves multiple functions simultaneously: it secures the filtration elements, provides alignment during installation, and facilitates maintenance through its through-hole configuration. The same fixing plate structure that ensures secure attachment during operation also enables easy access for maintenance without requiring specialized tools. This multi-functionality reduces the time needed for maintenance while preserving attachment security.
Solution Approach 2:
Instead of designing a complex locking mechanism that requires complex tools to operate, the invention inverts the approach by using a simple open-plate design with through-holes that naturally facilitates tool access. The maintenance-friendly configuration is built into the fundamental structure rather than being added as a separate mechanism, allowing standard tools to efficiently perform both secure attachment and easy maintenance functions.
Data Source
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AI summary
The invention relates to a disc filter comprising a central tube (1), which is rotatably mounted about its longitudinal axis in the construction of the disc filter, whereby it is coupled with a drive and in its cylindrical body it is provided with a system of through holes (2) arranged in at least one row in the direction of the circumference of the central tube (1), between the through holes (2) on the central tube (1) are mounted by one of its ends radial beams (3), which are at their free end provided with a fixing node (4) of filtration elements (5) which are arranged between the radial beams (3) and are aligned with their cavities with the through holes (2) in the central tube (1). The fixing node (4) comprises an elongated fixing plate (40) for the edge area of a pair of neighbouring filtration elements (5), whereby the fixing plate (40) is further provided with a through hole (401), through which passes a fixing unit (41) which has the function of preventing an undesirable disconnection from the free end of the radial beam (3).