Movable Filter Plate Assembly for Automated Cake Discharge
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Solution Overview
Problem
Existing filter press technologies face inefficiencies in removing particulate cake, as they often require time-consuming manual separation of filter plates and can lead to incomplete discharge of cake, with internal wash mechanisms prone to clogging.
Innovation Solution
A filter plate assembly that allows for automatic or semi-automatic discharge of particulate cake by moving at least one filter plate out of alignment, using a center plate or frame that drops or moves to a discharge position, facilitated by a force generator, and incorporating an external sprayer assembly for easier cleaning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If filter plates are separated manually to remove particulate cake, then cake discharge is achieved, but operation time increases and labor costs increase
Solution Approach 1:
The filter press system performs cake discharge automatically through its own mechanical components. The movable filter plate assembly moves under its own weight or with minimal assistance to discharge the cake, eliminating the need for manual separation of filter plates. This self-service mechanism directly addresses the contradiction by enabling efficient automated cake discharge without requiring manual intervention.
Solution Approach 2:
The filter plate assembly is designed to be movable rather than fixed. The movable filter plate can transition between a filtering position (aligned with the operational axis) and a discharge position (out of alignment), allowing the system to adapt its configuration for different operational phases. This dynamic capability enables automated cake discharge while maintaining high productivity.
2Device complexity
If filter plates are kept in compacted position, then device complexity is reduced, but cake discharge becomes incomplete
Solution Approach 1:
The filter plate assembly transitions from a static compacted configuration to a dynamic movable configuration during cake discharge. The movable filter plate moves to a discharge position where it is out of alignment with the operational axis, creating space for complete cake removal. This dynamic adjustment ensures reliable and complete cake discharge while maintaining relatively simple device complexity during the filtering phase.
3Ease of manufacture
If sprayer assembly is placed inside filter chamber, then cleaning coverage is improved, but clogging risk increases
Solution Approach 1:
The sprayer assembly is extracted from the interior of the filter chamber and repositioned to an exterior location. This extraction eliminates the clogging problem by preventing wash fluid from entering and blocking the filter chamber interior. The sprayer can still effectively clean the filter plate surfaces from the exterior position, maintaining cleaning coverage while eliminating the harmful clogging effect.
4Productivity
If filter plates are separated to discharge cake, then cake removal is achieved, but filter plate wear increases
Solution Approach 1:
The movable filter plate assembly discharges cake through its own controlled movement without requiring separation of multiple filter plates. This self-service discharge mechanism reduces the mechanical stress and wear that would otherwise result from manually separating and reassembling multiple filter plates, thereby extending filter plate durability while maintaining cake discharge capability.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables efficient, automated cake discharge without manual intervention, reducing operation costs and minimizing clogging risks, while ensuring complete removal of particulate matter and facilitating easier filter chamber cleaning.
Implementation Method 1
a force generator configured to move the movable filter plate between the filtering position and the discharge position
Implementation Method 2
the center plate or frame is movable between a filtering or aligned position and a discharge or separated position... the center plate to drop or move toward or to the discharge position
Data Source
AI summary
A filter plate assembly for a filter press is provided. The filter plate assembly includes at least a first filter plate and a second filter plate, which cooperate to define a filter chamber when the first filter plate and the second filter plate are in a filtering position. At least one of the first filter plate and the second filter plate is movable from the filtering position to a discharge position in which a filter cake can be discharged. In other configurations, the filter plate assembly can include a first filter plate, a second filter plate and a center filter plate or frame, which cooperate to define a filter chamber. The center filter plate or frame is movable from a filtering position to a discharge position.