Twinned Filter Press Structure for Balanced Force and Productivity

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Solution Overview

Problem

Existing filter presses have limited productivity due to restricted operating cycles and space occupancy, which also increases operational costs.

Innovation Solution

A filter press with a twinned structure featuring mirror symmetry, allowing independent movement of movable shoulders, which enhances productivity and balances forces, thereby optimizing space and reducing costs.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If a traditional filter press with a single movable shoulder is used, then the structure is simple, but the productivity is limited due to restricted operating cycles

Engineering Contradiction:

ImproveproductivityVSAvoidstructure complexity

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The filter press is divided into two independent working portions (first and second portions) with separate movable shoulders (16 and 14) that can operate independently. Each portion has its own drive means (60 and 70), allowing parallel processing of sludge batches, thereby doubling the productivity while maintaining manageable structural complexity through modular design

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The twinned structure enables continuous operation by allowing one portion to be processed while the other is prepared or undergoing maintenance. The independent movable shoulders can operate in sequence or parallel, eliminating idle time and ensuring continuous productive action throughout the machine cycle

Inventive Principle:

Principle #20Continuity of useful action

2Quantity of substance

If the filter press operates with longer cycles to treat more sludge, then more sludge can be treated, but the operating time per cycle increases

Engineering Contradiction:

Improveamount of sludgeVSAvoidoperating time

Core Design Contradiction:

Quantity of substanceVSLoss of time

Solution Approach 1:

By segmenting the filter press into two independent working portions with separate movable shoulders, the machine can process larger amounts of sludge simultaneously in parallel batches, reducing the total operating time required to treat the same total quantity compared to sequential processing in a single chamber

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The machine is designed to operate at excessive capacity by maintaining two complete working portions, allowing it to treat more sludge within the same time frame by utilizing both portions concurrently rather than alternating between them

Inventive Principle:

Principle #16Partial or excessive action

3Area of stationary object

If the filter press dimensions are reduced to save space, then the surface occupied is reduced, but the productivity is limited

Engineering Contradiction:

Improvesurface occupiedVSAvoidproductivity

Core Design Contradiction:

Area of stationary objectVSProductivity

Solution Approach 1:

The twinned structure utilizes the longitudinal dimension of the frame by positioning working portions on opposite sides along the main longitudinal axis, effectively doubling the processing capacity within the same footprint area, thus maintaining high productivity while minimizing surface occupation

Inventive Principle:

Principle #17Another dimension (Dimensionality change)

4Device complexity

If a single movable shoulder design is used, then the structure is simpler, but forces are unbalanced causing operational inefficiency

Engineering Contradiction:

Improvestructure complexityVSAvoidforce balance

Core Design Contradiction:

Device complexityVSForce

Solution Approach 1:

While the overall structure appears symmetric, the invention uses asymmetric force distribution principles by positioning movable shoulders on opposite sides of the frame, creating balanced and opposite forces during compression that stabilize the frame structure and improve operational efficiency

Inventive Principle:

Principle #4Asymmetry

Solution Approach 2:

The twinned structure with movable shoulders on opposite sides creates counterbalancing forces during operation, where the forces generated by each movable shoulder act in opposition to each other, balancing the load on the fixed shoulders and reducing structural stress

Inventive Principle:

Principle #8Anti-weight (Counterweight)

Data Source

PatentUS20250032960A1Filter press with a twinned structure

Publication Date: 2025.01.30 MATEC IND SRL

AI summary

Filter press (100) with a structure comprising: a frame (50); a first fixed shoulder (15) and a first movable shoulder (16), defining a first volume (VI): a second fixed shoulder (17), where said first movable shoulder (16) is arranged between the first and second fixed shoulder (15, 17): first drive means (60) adapted to move the first movable shoulder (16) to vary said first volume (VI), where said filter press (100) further comprises: a second movable shoulder (14), adapted to cooperate with said first fixed shoulder (15) and to define a second volume (V2): a third fixed shoulder (13), where said second movable shoulder (14) is arranged between the first and the third fixed shoulder (15, 13): second drive means (70) adapted to move said second movable shoulder (14) so as to vary said second volume (V2): a manual or automatic control unit (90), adapted to control at least said first drive means (60) and said second drive means (70), and where the first volume (VI) and the second volume (V2) are positioned on opposite sides with respect to said first fixed shoulder (15), which is common to both, along a main longitudinal axis (x) of development of the filter press (100).