Filter Press Wedge Locking Arrangement
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Solution Overview
Problem
Existing filter press technologies require active hydraulic forces to maintain the sealing of filter plates during the filtering process, which can lead to energy consumption and potential leakage, and do not effectively address wear and aging of the filter plates.
Innovation Solution
A locking arrangement using wedge-like surfaces and actuators that interact perpendicularly to the opening and closing movement of the filter press, allowing for substantial locking forces without energy consumption during slurry processing, and providing adjustable sealing and monitoring of wear.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If active hydraulic forces are used to maintain sealing of filter plates, then sealing reliability is improved, but energy consumption increases and leakage risk occurs
Solution Approach 1:
The wedge-like locking members utilize the closing force already applied to the filter press to automatically lock and maintain sealing of the filter plates. The system serves itself by converting the closing movement into locking action without requiring additional active hydraulic forces during the filtering process, thereby eliminating continuous energy consumption while maintaining sealing reliability.
Solution Approach 2:
The locking members are designed to be movable and adjustable during operation. They can be dynamically positioned to accommodate wear and aging of filter plates by adjusting the locking force and position, while transitioning from an active hydraulic maintenance system to a passive mechanical locking system that maintains sealing without continuous energy input.
2Reliability
If active hydraulic forces are used to maintain sealing, then sealing is maintained, but potential leakage occurs
Solution Approach 1:
The patent replaces the active hydraulic force system with a passive mechanical locking system using wedge-like members. This substitution eliminates the risks associated with hydraulic systems (such as hose failures, seal leaks, and pressure losses) while providing more reliable and consistent mechanical locking force to maintain sealing of filter plates throughout the filtering process.
3Force
If conventional locking arrangements are used, then filter plates are pressed together, but wear and aging of filter plates is not effectively addressed
Solution Approach 1:
The locking members are designed with adjustable positioning capabilities that allow them to adapt to the wear and aging of filter plates over time. The system transitions from a fixed pressing force mechanism to a dynamic system where the locking force and position can be adjusted to compensate for material degradation, thereby maintaining effective sealing and extending the service life of filter plates.
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
The solution enables sealing of filter plates without active hydraulic forces during filtering, reduces energy consumption, and allows for adjustable sealing and monitoring of wear, ensuring effective sealing and preventing leakage.
Implementation Method 1
the locking arrangement comprises at least one locking member having a first wedge-like surface, which at least one locking member is arranged to be movable in a direction generally perpendicular to the opening and closing movement of the filter press, wherein the first wedge-like surface of the at least one locking member is arranged to interact with a corresponding opposite second wedge-like surface
Data Source
Figure 1a~1b
Figure 2a~2b
Figure 3a~3c
AI summary
A filter press (1) comprising a stationary frame (9), in which a head member (4), a movable tail member (5), an actuator (6) for opening and closing movement of the filter press, and a plurality of filter plates (2) arranged between head member (4) and the movable tail member (5) are arranged, wherein the filter press further comprises a locking arrangement (10) for pressing the filter plates against each other, is disclosed. According to the disclosure the locking arrangement (10) comprises at least one locking member (12) having a first wedge-like surface (22), said at least one locking member (12) is arranged to be movable in a direction perpendicular to the opening and closing movement of the filter press (1), wherein the first wedge-like surface (22) of the at least one locking member (12) is arranged to interact with a corresponding opposite second wedge-like surface (25) provided in the filter press (1), and at least one locking actuator (13) arranged to move the at least one locking member (12) so that the first wedge-like surface (22) can interact with the opposite second wedge-like surface (25) to thereby press the filter plates (2) against each other, and wherein the locking arrangement (10) is arranged to interact with a supporting surface (88) in the stationary frame (9) and a corresponding supporting surface (77) in the movable tail member (5).