Filter Plate Frame Assembly With Removable Component Subframe
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Solution Overview
Problem
The replacement of worn components in horizontal filter presses, such as tower presses, is time-consuming and poses safety risks due to the need for removing the entire filter frame assembly, which requires downtime and additional safety measures.
Innovation Solution
A filter plate frame assembly with a rigid subframe that can be easily detached from the main frame, allowing for the replacement of consumable components without removing the entire assembly, and enabling the use of a replacement subframe with pre-fitted new components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of repair
If the whole filter frame assembly is removed to replace worn components, then complete replacement of all components is possible, but the replacement process becomes time-consuming and requires the filter press to be out of operation
Solution Approach 1:
The filter frame assembly is divided into a main frame and a separable subframe. The subframe contains the worn components (seals, diaphragms, filter plates) and can be independently removed and replaced. This segmentation allows replacement of only the necessary components without removing the entire frame assembly, reducing downtime while maintaining complete replacement capability.
2Productivity
If worn components are replaced in place without removing the filter plate frame assembly, then filter press operation can continue, but additional safety measures are required and operators face injury risks
Solution Approach 1:
The subframe containing worn components is extracted as a separate removable unit from the main frame. This allows the subframe to be completely removed and replaced with a new one, eliminating the need for operators to work in dangerous positions under suspended filter plate frame assemblies. The safety risk is removed while maintaining operational continuity.
3Ease of operation
If the subframe is made with a less rigid structure to facilitate manipulation during replacement, then ease of handling is improved, but the structural strength may be compromised
Solution Approach 1:
The subframe is designed with a modular, separable structure that provides rigidity when installed and integrated with the main frame during operation, but allows for easy removal and manipulation when detached. The dynamic nature of the assembly and disassembly process enables the subframe to be handled easily during replacement while maintaining sufficient strength during filter press operation.
Data Source
AI summary
A filter plate frame assembly with a filter plate frame and a subframe housed within the frame, such that the subframe can be removed from the frame without removing the frame from the filter press. In this way, consumable components can be provided in connection with the subframe, which can be easily removed from the filter press. This, in turn, makes replacement of worn components faster, as the whole frame does not need to be removed from the filter press. An associated horizontal filter press and a method of replacing worn components of such a filter press is also provided.